CN120636344B - Display panel and its driving method, driving circuit and display device - Google Patents
Display panel and its driving method, driving circuit and display deviceInfo
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- CN120636344B CN120636344B CN202511128722.XA CN202511128722A CN120636344B CN 120636344 B CN120636344 B CN 120636344B CN 202511128722 A CN202511128722 A CN 202511128722A CN 120636344 B CN120636344 B CN 120636344B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
本发明提出一种显示面板及其驱动方法、驱动电路和显示装置，其中，显示面板包括对应数据线、扫描线、阵列排布的第一像素单元、与偶数行相邻设置的多条控制线和连接奇数行和控制线的第一开关，相邻两行两列的四个第一像素单元形成像素单元组，像素单元组内还包括第二像素单元和第三像素单元，第二像素单元和第三像素单元与控制线和同一数据线连接，根据不同分辨率需求，在逐行扫描时，可选择输出不同的第一导通信号、第一关断信号和数据信号，并切换像素单元组内的各像素单元接收不同数据信号切换至高分辨率或者切换至低分辨率，满足不同分辨率需求，并可在低分辨率时降低显示装置的功耗。
This invention proposes a display panel, its driving method, driving circuit, and display device. The display panel includes corresponding data lines, scan lines, arrayed first pixel units, multiple control lines adjacent to even-numbered rows, and a first switch connecting odd-numbered rows and control lines. Four first pixel units in two adjacent rows and two columns form a pixel unit group. The pixel unit group also includes second and third pixel units, which are connected to the control lines and the same data lines. According to different resolution requirements, during line-by-line scanning, different first on signals, first off signals, and data signals can be selectively output, and the pixel units in the pixel unit group can be switched to receive different data signals to switch to high resolution or low resolution, thereby meeting different resolution requirements and reducing the power consumption of the display device at low resolution.
Description
Technical Field
The present invention relates to a display panel, a driving method thereof, a driving circuit thereof and a display device.
Background
Along with development of display technology and market demand, a display device with high refresh rate and high resolution gradually goes into a viewing angle of people, and compared with a traditional display device, the display device with high resolution has clearer visual experience, but at the same time, the high resolution brings higher power consumption demand.
Conventional display devices have a fixed resolution and cannot be adjusted, resulting in increased power consumption.
Disclosure of Invention
The invention aims to provide a display panel, which aims to solve the problem that the traditional display device has large power consumption due to fixed resolution.
A first aspect of an embodiment of the present invention provides a display panel, including:
The display device comprises a plurality of scanning lines, a plurality of data lines and first pixel units which are arranged in an array, wherein the first pixel units in the ith row and the jth column are respectively connected with the scanning lines in the ith row and the data lines in the jth column;
a plurality of control lines, each of the control lines being disposed adjacent to the scan lines of an even row;
A plurality of first switches, each of which is connected between the scan line and the control line of the adjacent odd-numbered row, and is triggered to be turned on by a first on signal and is triggered to be turned off by a first off signal;
The first transmission lines are respectively connected with the control ends of the first switches and are used for transmitting the first on signals or the first off signals;
Four of the first pixel cells of every two rows and two columns form a pixel cell group, and each pixel cell group further includes:
The second pixel unit is arranged close to the first pixel unit of the ith column of the first row in the pixel unit group and is respectively connected with the data line of the jth column of the pixel unit group and the adjacent control line;
And the third pixel unit is arranged close to the first pixel unit of the ith column of the second row in the pixel unit group and is respectively connected with the control line adjacent to the data line of the jth column of the pixel unit group, wherein i and j are respectively 1 and 2.
Optionally, the first pixel unit includes a first thin film transistor and a first liquid crystal capacitor, a first end and a control end of the first thin film transistor are respectively connected with the corresponding data line and the scanning line, and a second end of the first thin film transistor is connected with the first liquid crystal capacitor;
The second pixel unit comprises a second thin film transistor and a second liquid crystal capacitor, a first end and a control end of the second thin film transistor are respectively connected with the corresponding data line and the control line, and a second end of the second thin film transistor is connected with the second liquid crystal capacitor;
the third pixel unit comprises a third thin film transistor and a third liquid crystal capacitor, wherein a first end and a control end of the third thin film transistor are respectively connected with the corresponding data line and the control line, and a second end of the third thin film transistor is connected with the third liquid crystal capacitor.
Optionally, the second thin film transistor and the third thin film transistor of each of the pixel cell groups are disposed between the corresponding control line and the scan line of an even row;
The second ends of the first thin film transistors of the first pixel units of the second row and the first column of the pixel unit group, the second thin film transistor, the third thin film transistor and the second ends of the first thin film transistors of the first pixel units of the second row and the second column of the pixel unit group are connected in series through connecting wires;
The second liquid crystal capacitor is connected with the second end of the second thin film transistor and is arranged close to the first pixel unit of the first row and the ith column in the pixel unit group;
The third liquid crystal capacitor is multiplexed with the first liquid crystal capacitor of the pixel unit of the ith column of the second row of the pixel unit group.
Optionally, the display panel further includes:
the second switches and the first switches are respectively arranged on two sides of the display panel, each second switch is connected between the scanning line and the control line of the adjacent odd-numbered row, and the second switches are triggered to be turned on by a first on signal and are triggered to be turned off by a first off signal;
The second transmission line is used for transmitting the first on signal or the first off signal, and the second transmission line is respectively connected with the control end of each second switch.
Optionally, the display panel further includes:
The third switches are connected in series between control lines between two adjacent pixel unit groups, and are triggered to be turned on by a second on signal and turned off by a second off signal;
and a plurality of third transmission lines, each of which is connected with a plurality of third switches between the pixel units of the adjacent columns, and is used for transmitting the second on signal or the second off signal.
Optionally, the display panel is symmetrically divided into a first display area and a second display area along a second direction, and each scanning line comprises a first sub-scanning line and a second sub-scanning line which are separated;
The first display region has a first resolution and a first refresh rate, the second display region has a second resolution and a second refresh rate, the first resolution is less than the second resolution, and the first refresh rate is less than the second refresh rate.
A second aspect of an embodiment of the present invention proposes a driving method of a display panel for driving the display panel as described above, the driving method of the display panel including:
acquiring the current picture information of the display panel, and switching to a first display mode or a second display mode;
When switching to the first display mode, outputting a corresponding conduction signal to a corresponding transmission line, outputting a plurality of line scanning signals to a plurality of scanning lines of the display panel line by line, and outputting data signals to a data line of a j-th column corresponding to each pixel unit group of the target area within two continuous line scanning times of a pixel line scanning to the target area, so as to switch the resolution of the target area into the first resolution, wherein the target area is a part of or all of the display area of the display panel;
when switching to the second display mode, outputting a corresponding turn-off signal to a corresponding transmission line, outputting a plurality of line scanning signals to a plurality of data lines of the display panel line by line, and outputting a plurality of data signals to a plurality of data lines of the display panel line by line during line scanning, so as to switch the display panel to a second resolution, wherein the second resolution is larger than the first resolution.
Optionally, the display panel is symmetrically divided into a first display area and a second display area along a second direction, each scanning line comprises a first sub-scanning line and a second sub-scanning line which are separated, the first display area has a first resolution, and the second display area has a second resolution;
The driving method of the display panel further includes:
When the first display area is of a first resolution, controlling refresh rates of the row scanning signals, the data signals and the conduction signals of the first display area to be first refresh rates;
And when the second display area is of a second resolution, controlling the refresh rate of each row scanning signal, each data signal and each on signal of the second display area to be a second refresh rate, wherein the first refresh rate is smaller than the second refresh rate.
A third aspect of the embodiment of the present invention provides a driving circuit of a display panel, including a source driving circuit, a gate driving circuit, a switch control circuit and a timing controller, where the source driving circuit is connected with a plurality of data lines of the display panel, the gate driving circuit is connected with a plurality of scan lines of the display panel, the switch control circuit is connected with a plurality of transmission lines of the display panel, and the switch control circuit is used for outputting corresponding on signals and/or off signals;
the time schedule controller is respectively connected with the source electrode driving circuit, the grid electrode driving circuit and the switch control circuit and is used for outputting control signals to the source electrode driving circuit, the grid electrode driving circuit and the switch control circuit so as to realize the driving method of the display panel.
A fourth aspect of the embodiments of the present invention proposes a display device comprising a display panel as described above and a driving circuit of the display panel as described above, the driving circuit of the display panel being connected to the display panel.
Compared with the prior art, the display panel has the advantages that the display panel comprises the first pixel units corresponding to the data lines, the scanning lines, the first pixel units arranged in an array, a plurality of control lines adjacent to even lines and a first switch connected with odd lines and the control lines, four first pixel units of two adjacent lines and two columns form a pixel unit group, the pixel unit group also comprises a second pixel unit and a third pixel unit, the second pixel unit and the third pixel unit are connected with the control lines and the same data line, different first on signals, different first off signals and different data signals can be selectively output during progressive scanning according to different resolution requirements, each pixel unit in the pixel unit group is switched to receive different data signals and switch to high resolution or low resolution, different resolution requirements are met, and the power consumption of the display device can be reduced during low resolution.
Drawings
Fig. 1 is a schematic diagram of a first structure of a display panel according to a first embodiment of the invention;
fig. 2 is a schematic diagram of a second structure of a display panel according to a first embodiment of the invention;
Fig. 3 is a schematic diagram of a third structure of a display panel according to a first embodiment of the invention;
fig. 4 is a schematic circuit diagram of a display panel according to a second embodiment of the invention;
fig. 5 is a schematic diagram of a high resolution signal of a display panel according to a second embodiment of the invention;
Fig. 6 is a schematic diagram of a low resolution signal of a display panel according to a second embodiment of the invention;
fig. 7 is a schematic circuit diagram of a display panel according to a second embodiment of the invention;
Fig. 8 is a schematic diagram of a first structure of a display panel according to a third embodiment of the present invention;
Fig. 9 is a schematic diagram of a second structure of a display panel according to a third embodiment of the present invention;
Fig. 10 is a schematic structural diagram of a display panel according to a fourth embodiment of the present invention;
Fig. 11 is a schematic flow chart of a first driving method of a display panel according to a fifth embodiment of the present invention;
fig. 12 is a schematic diagram of a second flow chart of a driving method of a display panel according to a fifth embodiment of the present invention;
Fig. 13 is a schematic diagram of a driving circuit of a display panel and a display device according to a sixth embodiment and a seventh embodiment of the present invention.
Wherein, each reference sign in the figure is:
100. Display panel, 200, driving circuit of display panel, 210, source driving circuit, 220, gate driving circuit, 230, switch control circuit, 240, time schedule controller, 110, first display area, 120, second display area, 10, pixel unit group, 11, first pixel unit, 12, second pixel unit, 13, third pixel unit, 20, first switch, 30, second switch, 40, third switch;
G1, scanning lines of a first row; g2, scan lines of the second row; G3, scanning lines of the third row; the scanning device comprises scanning lines of G4 and fourth lines, data lines of S1 and first columns, data lines of S2 and second columns, data lines of S3 and third columns, data lines of S5 and fifth columns, data lines of Sn-3 and Sn-3 columns, data lines of Sn-2 and Sn-2 columns, data lines of Sn-1 and Sn-1 columns, data lines of Sn and n columns, gt1, a first control line, gt2 and a second control line, st1 and first transmission line, st2 and second transmission line, st3 and third transmission line, G1_1 and first sub-scanning line of first lines, G1_2 and second sub-scanning line of first lines, G2_1 and first sub-scanning line of second lines, G2_2 and second sub-scanning line of second lines, G3_1 and first sub-scanning line of third lines, G3_2 and second sub-scanning line of third lines, G4 and second sub-scanning line, G1 and third sub-scanning line, G2 and fourth sub-scanning line, G1 and G2 and fourth sub-scanning line, G2 and G2 control signal;
t1, a first thin film transistor, T2, a second thin film transistor, T3, a third thin film transistor, Q1, a thin film transistor, cst1, a first liquid crystal capacitor, cst2, a second liquid crystal capacitor, cst3 and a third liquid crystal capacitor.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In a first aspect of the present embodiment, as shown in fig. 1, a display panel 100 is provided, where the display panel 100 includes a plurality of scan lines, a plurality of data lines, and first pixel units 11 arranged in an array, the ith row and the jth column of the first pixel units 11 are respectively connected to the ith row of scan lines and the jth column of data lines, for example, each first pixel unit 11 of the first row is respectively connected to the first row of scan lines G1, each first pixel unit 11 of the second row is connected to the second row of scan lines G2, and so on, each first pixel unit 11 of the first column is connected to the first column of data lines S1, and each first pixel unit 11 of the second column is connected to the second column of data lines S2.
In order to realize independent control of each pixel unit of the target display area or the target pixel unit, the display panel 100 further includes:
a plurality of control lines, each control line being disposed adjacent to a scan line of an even row;
A plurality of first switches 20, each first switch 20 is connected between the scan line and the control line of the adjacent odd-numbered row, and the first switch 20 is triggered to be turned on by a first on signal and is triggered to be turned off by a first off signal;
the first transmission lines St1 are respectively connected with the control ends of the first switches 20, and the first transmission lines St1 are used for transmitting a first on signal or a first off signal;
four first pixel cells 11 of every two rows and two columns form one pixel cell group 10, and each pixel cell group 10 further includes:
a second pixel unit 12, the second pixel unit 12 is disposed near the first pixel unit 11 of the ith column of the first row in the pixel unit group 10, and the second pixel unit 12 is connected to the data line and the adjacent control line of the jth column of the pixel unit group 10, respectively;
And third pixel units 13, wherein the third pixel units 13 are arranged close to the first pixel units 11 of the ith column of the second row in the pixel unit group 10, and the third pixel units 13 are respectively connected with control lines adjacent to the data lines of the jth column of the pixel unit group 10, wherein i and j are respectively 1 and 2.
In this embodiment, a plurality of control lines, a plurality of first switches 20, a plurality of second pixel units 12 and a plurality of third pixel units 13 are added to the display architecture based on the original display architecture, the control lines are arranged side by side with the scan lines, the control lines are arranged between the scan lines of the adjacent odd-numbered lines and the scan lines of the even-numbered lines and are adjacent to the scan lines of the even-numbered lines, for example, the first control line Gt1 is arranged near the scan line G2 of the second line, the second control line Gt2 is arranged near the scan line G4 of the fourth line, and so on.
The first switches 20 are connected to the scan lines of the odd-numbered lines and the adjacent control lines, for example, a first switch 20 is connected between the scan line G1 of the first line and the first control line Gt1, a second first switch 20 is connected between the scan line G3 of the third line and the second control line Gt2, and so on, a plurality of first switches 20 are connected to the first transmission line St1, the first transmission line St1 is used for transmitting a corresponding first on signal or a first off signal, and the first switches 20 are correspondingly controlled to be on or off during progressive scanning, for example, the transmission line continuously outputs the first on signal during progressive scanning, the plurality of first switches 20 simultaneously maintain the on state, or continuously outputs the first off signal during progressive scanning, the plurality of first switches 20 simultaneously maintain the off state, or sequentially switch the first on signal and the off signal during progressive scanning, the plurality of first switches 20 are sequentially switched to the on state and the off state, and the specific control mode is not limited.
When the first switch 20 is turned on, the control line is connected to the scanning line of the odd-numbered line, the second pixel unit 12 and the third pixel unit 13 may receive the line scanning signal of the odd-numbered line and may display the corresponding image information when the data signal is input, and when the first switch 20 is turned off, the control line is disconnected from the scanning line of the odd-numbered line, no line scanning signal is input to the second pixel unit 12 and the third pixel unit 13, and the second pixel unit 12 and the third pixel unit 13 do not perform the display operation.
Where i may be 1, j may be 2, or i may be 2, j may be 1, i.e., the second pixel unit 12 and the third pixel unit 13 of each pixel unit group 10 are arranged in the same column, may be arranged in the same column as the first pixel unit 11, or may be arranged adjacent to the first pixel unit 11 in a separated column, the second pixel unit 12 and the adjacent first pixel unit 11 are simultaneously located in a display subunit surrounded by a data line and a scan line, the third pixel unit 13 and the adjacent first pixel unit 11 are simultaneously located in another display subunit surrounded by a data line and a scan line, and in an alternative embodiment, i=2, j=1, i.e., the second pixel unit 12 and the third pixel unit 13 are located in the second column of the pixel unit group 10 and are connected to the data line of the odd column of the pixel unit group 10.
The pixel unit group 10 may operate in different modes of high resolution and low resolution, as shown in fig. 2, when the pixel unit group 10 is in high resolution, that is, in normal display, the first transmission line St1 transmits an off signal to the first switch 20 corresponding to the pixel unit group 10, the first switch 20 is turned off, correspondingly, the second pixel unit 12 and the third pixel unit 13 do not have line scanning signal input to perform display operation, when the pixel unit group 10 is scanned line by line, each data line may normally transmit two paths of different data signals to the first pixel units 11 of two columns of the pixel unit group 10, and each first pixel unit 11 displays corresponding image information when receiving the line scanning signal and the data signal of the current line.
At the time of low resolution, the first transmission line St1 transmits a turn-on signal to the first switch 20, the first switch 20 is turned on and is connected to the scan lines and the control lines of the odd-numbered rows corresponding to the pixel unit group 10, the second pixel unit 12 and the third pixel unit 13 can normally receive the row scan signal during progressive scanning, meanwhile, during progressive scanning, the first pixel units 11 of two adjacent rows of the pixel unit group 10 can normally receive the row scan signal, at this time, a data signal can be selectively output to the data lines of the odd-numbered columns corresponding to the pixel unit group 10, the first pixel units 11 of the odd-numbered columns and the second pixel units 12 and the third pixel units 13 of the even-numbered columns receive the same data signal, the resolution of the pixel unit group 10 is reduced, and the driving power consumption is reduced.
When the first switches 20 at different positions are selected to be turned on or off, and the data signals are output to the corresponding data lines in different output manners, the pixel cell groups 10 of the corresponding rows, columns and the corresponding display areas can be switched to high resolution or low resolution.
When the whole display panel 100 is realized with low resolution, the first transmission line St1 keeps outputting the first on signal to the first switch 20 during progressive scanning, each first switch 20 keeps on state, meanwhile, during progressive scanning, data signals are selectively outputted to the data lines of each odd column, each pixel unit group 10 receives the same data signals during progressive scanning, and the first pixel unit 11 of the odd column and the second pixel unit 12 and the third pixel unit 13 of the even column are respectively switched to low resolution, and driving power consumption is reduced.
Or when the pixel cell group 10 of a part of the rows is switched to a low resolution, for example, when the pixel cell group 10 of the first row is switched to a low resolution, when the pixel cell group 10 of the other rows is switched to a high resolution, when the scanning line G1 of the first row is scanned, a first on signal is output to the first switch 20, the first switch 20 connects the scanning line G1 of the first row and the first control line Gt1 and transmits the row scanning signal to the second pixel cell 12 and the third pixel cell 13 of each pixel cell group 10 of the row, and simultaneously, a data signal is output to the data line 1 of the odd column, and the first pixel cell 11 of the first column, the second pixel cell 12 of the second column and the third pixel cell 13 of the pixel cell group 10 of the first row display corresponding identical image information, the resolution is reduced, and the driving power consumption is reduced.
When scanning to the scanning line G2 of the second row, the first pixel unit 11 of the second row of the pixel unit group 10 of the first row receives the row scanning signal, and at this time, the output data signal is maintained to the data line 1 of the odd row, and no data signal is input to the first pixel unit 11 of the second column of the pixel unit group 10 of the first row, at this time, no display information is displayed, that is, the pixel unit group 10 of the first row is switched to a low resolution, and the driving power consumption is reduced.
When scanning to the third line of scanning line G3, namely scanning to the second line of pixel unit group 10, output the turn-off signal to the second first switch 20, the third line of scanning line G3 is disconnected with the second control line Gt2, at this time, the output data signal is selected to each data line, the first pixel unit 11 of the third line of pixel unit group 10 of the second line is normally displayed, then, when scanning to the fourth line of scanning line G4, the output turn-off signal is maintained, and the output data signal is selected to each data line, the first pixel unit 11 of the fourth line of pixel unit group 10 of the second line is normally displayed, and different data signals can be input to the second line of pixel unit group 10 of the second line during progressive scanning, thereby realizing high resolution.
Similarly, when scanning to the subsequent pixel unit group 10, the turn-off signal is sequentially output to each first switch 20, and the row scanning signal and the data signal are normally output to each pixel unit group 10, and each row of pixel unit group 10 is normally displayed and switched to high resolution.
During the line scanning, the corresponding first on signal and first off signal are selected and output according to the requirement, so that the pixel unit group 10 of the corresponding line can be controlled to be switched to high resolution or low resolution.
In an alternative embodiment, in order to improve the signal driving capability of the control line, the driving capability of the control line is prevented from being reduced when one end transmits the row scan signal to the control line, and in an alternative embodiment, as shown in fig. 3, the display panel 100 further includes:
The second switches 30, the second switches 30 and the first switches 20 are respectively aligned to two sides of the display panel 100, each second switch 30 is connected between the scan line and the control line of the adjacent odd-numbered row, and the second switch 30 is triggered to be turned on by the first on signal and is triggered to be turned off by the first off signal;
the second transmission line St2, the second transmission line St2 is configured to transmit a first on signal or a first off signal, and the second transmission line St2 is connected to a control terminal of each second switch 30.
In this embodiment, the ends of the second transmission line St2 and the first transmission line St1 may be connected to the same signal end and transmit the same first on signal or off signal, and the first transmission line St1 and the second transmission line St2 may simultaneously control the first switch 20 and the second switch 30 to be turned on or off, and control the pixel cell group 10 of the corresponding row to be switched to high resolution or low resolution when different data signals are output in different output modes during the row scanning process, so as to realize the overall or partial resolution switching of the display panel 100, and reduce the driving power consumption when switching to low resolution.
The first switch 20 and the second switch 30 may employ a switching transistor having a controlled on/off, and in an alternative embodiment, as shown in fig. 4, the first switch 20 and the second switch 30 select the thin film transistor Q1.
The pixel unit can correspondingly select a thin film transistor, a storage capacitor, a liquid crystal capacitor and the like according to requirements.
For different resolutions, for example, when the resolution is high, the number of pixel units connected to the same scan line and data line is small, at this time, the display panel 100 may select the high refresh rate, and when the resolution is low, the number of pixel units connected to the same data line and scan line is large, at this time, the display panel 100 may select the low refresh rate, so as to prolong the charging time of the pixel units, and ensure that the pixel units are fully charged.
Compared with the prior art, the display panel 100 has the advantages that the display panel 100 comprises corresponding data lines, scanning lines, first pixel units 11 arranged in an array, a plurality of control lines arranged adjacent to even lines and first switches 20 connected with odd lines and the control lines, four first pixel units 11 in two adjacent lines and two columns form a pixel unit group 10, the pixel unit group 10 also comprises second pixel units 12 and third pixel units 13, the second pixel units 12 and the third pixel units 13 are connected with the control lines and the same data line, different first on signals, different first off signals and different data signals can be selectively output during progressive scanning according to different resolution requirements, each pixel unit in the pixel unit group 10 is switched to receive different data signals and switch to high resolution or low resolution, the different resolution requirements are met, and the power consumption of the display device can be reduced during low resolution.
Example two
As shown in fig. 4, the first pixel unit 11 includes a first thin film transistor T1 and a first liquid crystal capacitor Cst1, wherein a first end and a control end of the first thin film transistor T1 are respectively connected with a corresponding data line and a corresponding scanning line, and a second end of the first thin film transistor T1 is connected with the first liquid crystal capacitor Cst 1;
the second pixel unit 12 includes a second thin film transistor T2 and a second liquid crystal capacitor Cst2, wherein a first end and a control end of the second thin film transistor T2 are respectively connected with a corresponding data line and a control line, and a second end of the second thin film transistor T2 is connected with the second liquid crystal capacitor Cst 2;
The third pixel unit 13 includes a third thin film transistor T3 and a third liquid crystal capacitor Cst3, wherein a first end and a control end of the third thin film transistor T3 are respectively connected with the corresponding data line and the control line, and a second end of the third thin film transistor T3 is connected with the third liquid crystal capacitor Cst 3.
In this embodiment, the liquid crystal capacitor is composed of a pixel electrode and a common electrode, the pixel electrode is disposed on the array substrate of the display panel 100, the common electrode is disposed on the color film substrate of the display panel 100, the array substrate and the color film substrate are disposed opposite to each other, that is, the pixel electrode is disposed opposite to the common electrode, and when the pixel electrode inputs a corresponding data signal, a driving voltage is formed with a common electrode voltage on the common electrode, and drives the liquid crystal of the display panel 100 to deflect, and the corresponding image information is displayed in cooperation with the color film substrate.
Referring to fig. 5, when the pixel cell group 10 operates at a high resolution, a row scan signal is outputted to each pixel cell group 10 row by row, a first turn-off signal is outputted to the first switch 20 before scanning to the pixel cell group 10 of the corresponding row, the first switch 20 is turned off, the second pixel cell 12 and the third pixel cell 13 of the pixel cell group 10 are not inputted with the row scan signal, the second thin film transistor T2 and the third transistor are turned off, and the erroneous charging is avoided, when the scan line G1 of the first row corresponding to the pixel cell group 10 inputs the row scan signal and outputs the first data signal D1 and the second data signal D2 to the corresponding two data lines of the pixel cell group 10, the first thin film transistor T1 of the first pixel cell 11 of the first row of the pixel cell group 10 is turned on and transmits the data signal to the respective first liquid crystal capacitor Cst1.
Then, when the scan line G2 of the second row is scanned and the first data signal D1 and the second data signal D2 are output to the two corresponding data lines of the pixel unit group 10, the first thin film transistor T1 of the first pixel unit 11 of the second row of the pixel unit group 10 is turned on and transmits the data signal to the respective first liquid crystal capacitor Cst1, and the pixel unit group 10 displays normally and achieves high resolution.
When the pixel unit group 10 operates at a low resolution, as shown in fig. 6, a first turn-on signal is first outputted to the corresponding first switch 20, the first switch 20 is turned on, when a row is scanned to the pixel unit group 10, the first thin film transistor T1 of the first pixel unit 11 of the first column, the second thin film transistor T2 of the second pixel unit 12 of the second column, and the third thin film transistor T3 of the third pixel unit 13 of the first column of the pixel unit group 10 are turned on, at this time, a data line outputting a data signal to the corresponding odd column of the pixel unit group 10 is selected, for example, a data line S1 outputting a first data signal D1 to the corresponding first column of the pixel unit group 10 is selected, the first liquid crystal capacitor Cst1, the second liquid crystal capacitor Cst2, and the third liquid crystal capacitor Cst3 of the first pixel unit 11 of the first column of the pixel unit group 10 input data signals of the same magnitude, and generate driving voltages of the same magnitude, and the corresponding display areas of the pixel unit group 10 are switched to a low resolution, and driving power consumption is reduced.
The second thin film transistor T2 of the pixel unit group 10 is disposed opposite to the first thin film transistor T1 of the first row and the second column and is disposed in the corresponding display area, and the third thin film transistor T3 of the pixel unit group 10 is disposed adjacent to the first thin film transistor T1 of the second row and the second column and is disposed in the corresponding display area, so that the in-plane architecture is complex, the transmittance and the processing difficulty of the display panel 100 are increased, and in order to reduce the transmittance and the processing difficulty of the display panel 100, in an alternative embodiment, as shown in fig. 7, the second thin film transistor T2 and the third thin film transistor T3 of each pixel unit group 10 are disposed between the corresponding control line and the scanning line of the even-numbered row;
The second end of the first thin film transistor T1 of the first pixel unit 11 of the second row and the first column of the pixel unit group 10, the second thin film transistor T2, the third thin film transistor T3, and the second end of the first thin film transistor T1 of the first pixel unit 11 of the second row and the second column of the pixel unit group 10 are connected in series through a connection line;
The second liquid crystal capacitor Cst2 is connected to the second end of the second thin film transistor T2 and is disposed near the first pixel unit 11 of the first row and the ith column in the pixel unit group 10;
The third liquid crystal capacitor Cst3 is multiplexed with the first liquid crystal capacitor Cst1 of the pixel cell of the second row and the i-th column of the pixel cell group 10.
In this embodiment, in the present embodiment, the second thin film transistor T2 and the third thin film transistor T3 are disposed in the routing area between the corresponding control line and the scan line of the even row, so that the aperture ratio of the display panel 100 is not affected, the second thin film transistor T2 and the third thin film transistor T3 are connected between the two first thin film transistors T1, the number of lines connected to the data line is reduced, and when the second thin film transistor T2 and the third thin film transistor T3 are turned off, the respective data of the pixel unit group 10 are not affected.
When the low resolution is entered, the data signals of the data lines of the odd columns enter the second liquid crystal capacitor Cst2 and the third liquid crystal capacitor Cst3 of the second column through the first thin film transistor T1, the second thin film transistor T2 and the third thin film transistor T3 of the first pixel unit 11 of the odd columns, respectively, so that the pixel unit group 10 obtains the data signals with the same size, generates the driving voltage with the same size, and displays the same information, thereby reducing the resolution and the power consumption of the pixel unit group 10.
And the third liquid crystal capacitor Cst3 and the first liquid crystal capacitor Cst1 are multiplexed into the same liquid crystal capacitor, the structure of the display panel 100 is simplified and the transmittance of the display panel 100 is reduced,
The connection lines may be metal conductive, and in an alternative embodiment, the connection lines are indium tin oxide (IndiumTinOxide, ITO) traces.
Example III
The display panel 100 in the above embodiment can realize selective switching of resolution in the row direction, but since the control lines extend through the entire display panel 100, the pixel cell groups 10 in the same row are in the same resolution mode, but cannot realize switching of resolution in the column direction, in order to improve switching of resolution in the column direction, in an alternative embodiment, as shown in fig. 8 and 9, the display panel 100 further includes:
The third switches 40 are connected in series between the control lines between two adjacent pixel unit groups 10, and the third switches 40 are triggered to be turned on by the second on signal and turned off by the second off signal;
And a plurality of third transmission lines St3, each third transmission line St3 being connected to the plurality of third switches 40 between the pixel units of the adjacent columns, the third transmission line St3 for transmitting the second on signal or the second off signal.
In this embodiment, the corresponding second on signal and second off signal can be selectively output according to the requirement to control the third switch 40 to be turned on or off correspondingly, so as to switch the pixel unit group 10 of the corresponding column to be low resolution or high resolution.
As shown in fig. 8, assuming that the pixel cell groups 10 of the first and second columns are required to have a low resolution, and the rest are required to have a high resolution, the first transmission line St1 controls each first switch 20 to be turned on and outputs a second turn-on signal to each third switch 40 of the first column and controls each third switch 40 to be turned on, and outputs a second turn-off signal to each third switch 40 of the remaining columns and controls each third switch 40 to be turned off, and when scanning line by line, the data lines S1 of the first column and the data lines S3 to Sn of the third column are selected to be outputted, the corresponding first pixel cell 11, second pixel cell 12, and third pixel cell 13 of each pixel cell group 10 of the first column can receive the same data signal and switch to a low resolution, and each first pixel cell 11 of the pixel cell groups 10 to 10 of the second column receive different data signals and switch to a high resolution when scanning line, thereby realizing switching of the resolutions in the column direction.
However, with the one-side control shown in fig. 8, only one side can be used to realize low resolution for the unit pixels of one, two, three, etc. columns on the left side, and low refresh rate cannot be realized from the right side, and for this purpose, the second switch 30 and the second transmission line St2 may be provided on the other side of the display panel 100, and as shown in fig. 9, when the first switch 20 and the second switch 30 and the corresponding transmission line are provided on the both sides of the display panel 100, respectively, low resolution for the left and right sides of the display panel 100 and high resolution in the middle may be realized.
For example, the first switch 20 outputting the first on signal to the left side, the third switches 40 outputting the second on signal to the left side, the second switch 30 outputting the first off signal to the right side, and the third switches 40 outputting the second off signal to the right side, the two-column pixel cell group 10 on the left side and the first-column pixel cell group 10 on the right side of the display panel 100 may be realized with low resolution, and the pixel cell group 10 on the second column on the right side of the display panel 100 may be realized with high resolution.
Example IV
Further, in order to reduce power consumption and achieve display diversification, in an alternative embodiment, as shown in fig. 10, the display panel 100 is symmetrically divided into a first display area 110 and a second display area 120 along a second direction, each scan line includes a first sub-scan line and a second sub-scan line that are separated, for example, a scan line G1 of a first line includes a first sub-scan line g1_1 of the first line and a second sub-scan line g1_2 of the first line, a scan line G2 of a second line includes a first sub-scan line g2_1 of the second line and a second sub-scan line g2_2 of the second line, a scan line G3 of a third line includes a first sub-scan line g3_1 of the third line and a second sub-scan line g3_2 of the third line, and a scan line G4 of a fourth line includes a first sub-scan line g4_1 of the fourth line and a second sub-scan line g4_2 of the fourth line;
The first display area 110 has a first resolution and a first refresh rate, the second display area 120 has a second resolution and a second refresh rate, the first resolution is less than the second resolution, and the first refresh rate is less than the second refresh rate.
Each control line includes two sub-control lines separated, for example, the first control line Gt1 includes a first sub-control line gt1_1 and a second sub-control line gt1_2, and the second control line Gt2 includes a third sub-control line gt2_1 and a fourth sub-control line gt2_2.
The first display area 110 and the second display area 120 can select different data signals, on signals and off signals, so as to realize adjustment of different resolutions of the two display areas, for example, output a first on signal to each first switch 20 of the first display area 110, output a first off signal to each second switch 30 of the second display area 120, switch each pixel unit group 10 of the first display area 110 to a low resolution, realize overall low resolution of the first display area 110, switch each pixel unit group 10 of the second display area 120 to a high resolution, and realize overall low resolution of the second display area 120, so as to realize display diversification.
For different resolutions, different refresh rates may be adopted, when the second display area 120 is of high resolution, the pixel units connected to the same scan line and the same data line are fewer, at this time, the second display area 120 selects the high refresh rate, and when the first display area 110 is of low resolution, the pixel units connected to the same data line and the same scan line are increased, at this time, the first display area 110 may select the low refresh rate, so as to prolong the charging time of the pixel units, and ensure that each pixel unit is fully charged.
Example five
A second aspect of the embodiments of the present invention provides a driving method of a display panel 100, for driving the display panel 100, as shown in fig. 11, where the driving method of the display panel 100 includes:
s10, acquiring picture information of the current display panel 100, and switching to a first display mode or a second display mode;
S20, when switching to the first display mode, outputting a corresponding on signal to a corresponding transmission line, outputting a plurality of line scanning signals to a plurality of scanning lines of the display panel 100 line by line, and outputting data signals to the data lines of the j-th column corresponding to each pixel unit group 10 of the target area within two continuous line scanning times of the pixel line scanning to the target area, so as to switch the resolution of the target area to the first resolution, wherein the target area is a part of or all of the display area of the display panel 100;
S30, when switching to the second display mode, outputting a corresponding off signal to the corresponding transmission line, outputting a plurality of line scanning signals to the plurality of data lines of the display panel 100 line by line, and outputting a plurality of data signals to the plurality of data lines of the display panel 100 line by line during scanning to switch the display panel 100 to a second resolution, wherein the second resolution is greater than the first resolution.
In this embodiment, the corresponding control detection unit obtains the current picture information, determines the resolution of the corresponding display area of the display panel 100 according to the picture information, switches to the first display mode when determining that the target area corresponding to the display panel 100 is low resolution, outputs the corresponding first on signal, the second on signal to the corresponding first transmission line St1, the second transmission line St2 and the third transmission line St3 in the first display mode, outputs the multi-path line scanning signal to the plurality of scanning lines of the display panel 100 line by line, and selects the data lines of the odd columns corresponding to the output data signal to the target area when driving the target area, thereby controlling the target area to switch to the low resolution.
When the whole display panel 100 is realized with low resolution, the first transmission line St1 keeps outputting the first on signal to the first switch 20 during progressive scanning, each first switch 20 keeps on state, meanwhile, during progressive scanning, data signals are selectively outputted to the data lines of each odd column, each pixel unit group 10 receives the same data signals during progressive scanning, and the first pixel unit 11 of the odd column and the second pixel unit 12 and the third pixel unit 13 of the even column are respectively switched to low resolution, and driving power consumption is reduced.
Or when the pixel cell group 10 of a part of the rows is switched to a low resolution, for example, when the pixel cell group 10 of the first row is switched to a low resolution, when the pixel cell group 10 of the other rows is switched to a high resolution, when the scanning line G1 of the first row is scanned, a first on signal is output to the first switch 20, the first switch 20 connects the scanning line G1 of the first row and the first control line Gt1 and transmits the row scanning signal to the second pixel cell 12 and the third pixel cell 13 of each pixel cell group 10 of the row, and simultaneously outputs the first data signal D1 to the data line of the odd column, the first pixel cell 11 of the first column, the second pixel cell 12 of the second column and the third pixel cell 13 of the pixel cell group 10 of the first row display corresponding identical image information, the resolution is reduced, and the driving power consumption is reduced.
When scanning to the scanning line G2 of the second row, the first pixel unit 11 of the second row of the pixel unit group 10 of the first row receives the row scanning signal, and at this time, the output data signal is maintained to the data line of the odd row, and no data signal is input to the first pixel unit 11 of the second column of the pixel unit group 10 of the first row, at this time, no display information is displayed, that is, the pixel unit group 10 of the first row is switched to the low resolution, and the driving power consumption is reduced.
And switching to a second display mode when the target area is determined to be high resolution, in the second display mode, outputting corresponding first turn-off signals, second turn-off signals to corresponding first transmission line St1, second transmission line St2 and third transmission line St3, outputting multiple paths of line scanning signals to multiple scanning lines of the display panel 100 row by row, and selecting and outputting multiple paths of data signals to each column of data lines corresponding to the target area when the target area is driven, so as to control the target area to be switched to high resolution.
When the whole display panel 100 achieves high resolution, namely normal display, the first transmission line St1 transmits a turn-off signal to the first switch 20 corresponding to each pixel unit group 10, the first switch 20 is turned off, correspondingly, the second pixel unit 12 and the third pixel unit 13 of each pixel unit group 10 do not have line scanning signals input and do not perform display operation, each data line can normally transmit two different data signals to the first pixel units 11 of two columns of each pixel unit group 10 during progressive scanning, and each first pixel unit 11 displays corresponding image information when receiving the line scanning signals and the data signals of the current line, and achieves resolution of the whole display panel 100.
In order to reduce power consumption and realize display diversification, in an alternative embodiment, as shown in fig. 10, the display panel 100 is symmetrically divided into a first display area 110 and a second display area 120 along a second direction, each scan line includes a first sub-scan line and a second sub-scan line that are separated, the first display area 110 has a first resolution, and the second display area 120 has a second resolution.
The first display area 110 and the second display area 120 can select different data signals, on signals and off signals, so as to realize adjustment of different resolutions of the two display areas, for example, output a first on signal to each first switch 20 of the first display area 110, output a first off signal to each second switch 30 of the second display area 120, switch each pixel unit group 10 of the first display area 110 to a low resolution, realize overall low resolution of the first display area 110, switch each pixel unit group 10 of the second display area 120 to a high resolution, and realize overall low resolution of the second display area 120, so as to realize display diversification.
In order to reduce power consumption, as shown in fig. 12, the driving method of the display panel 100 further includes:
s40, when the first display area 110 is of the first resolution, controlling the refresh rate of each row of scanning signals, data signals and on signals of the first display area 110 to be a first refresh rate;
and S50, when the second display area 120 is at the second resolution, controlling the refresh rate of each row of scanning signals, data signals and on signals of the second display area 120 to be a second refresh rate, wherein the first refresh rate is smaller than the second refresh rate.
For different resolutions, different refresh rates may be adopted, when the second display area 120 is of high resolution, the pixel units connected to the same scan line and the same data line are fewer, at this time, the second display area 120 selects the high refresh rate, and when the first display area 110 is of low resolution, the pixel units connected to the same data line and the same scan line are increased, at this time, the first display area 110 may select the low refresh rate, so as to prolong the charging time of the pixel units, and ensure that each pixel unit is fully charged.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present invention.
Example six
As shown in fig. 13, a third aspect of the embodiment of the present invention provides a driving circuit 200 of a display panel, which includes a source driving circuit 210, a gate driving circuit 220, a switch control circuit 230 and a timing controller 240, wherein the source driving circuit 210 is respectively connected to a plurality of data lines of the display panel 100, the gate driving circuit 220 is respectively connected to a plurality of scan lines of the display panel 100, the switch control circuit 230 is connected to a plurality of transmission lines of the display panel 100, and the switch control circuit 230 is used for outputting corresponding on signals and/or off signals;
The timing controller 240 is connected to the source driving circuit 210, the gate driving circuit 220 and the switch control circuit 230, respectively, and the timing controller 240 is configured to output control signals to the source driving circuit 210, the gate driving circuit 220 and the switch control circuit 230 to implement the driving method of the display panel 100 as described above.
In this embodiment, the source driving circuit 210 is configured to output a data signal, the gate driving circuit 220 is configured to output a row scanning signal row by row, and the switch control circuit 230 is configured to output a first on signal, a second on signal, a first off signal, and a second off signal to the first transmission line St1, the second transmission line St2, and the third transmission line St3.
The timing controller 240 acquires current picture information, determines the resolution of the corresponding display area of the display panel 100 according to the picture information, switches to a first display mode when it is determined that the target area corresponding to the display panel 100 is of low resolution, outputs a corresponding control signal to control the switch control circuit 230 to output a first on signal, a second on signal to the corresponding first, second and third transmission lines St1, st2 and St3, and controls the gate driving circuit 220 to output a multi-line scanning signal to a plurality of scanning lines of the display panel 100 line by line, and controls the source driving circuit 210 to select a data line outputting a data signal to an odd-numbered column corresponding to the target area when driving the target area, thereby controlling the target area to switch to low resolution.
And when the target area is determined to be high resolution, switching to a second display mode, in the second display mode, outputting the corresponding control signal to control the switch control circuit 230 to output the corresponding first turn-off signal, the second turn-off signal to the corresponding first transmission line St1, the second transmission line St2 and the third transmission line St3, and controlling the gate driving circuit 220 to output the multi-path line scanning signal to the plurality of scanning lines of the display panel 100 line by line, and when the target area is driven, controlling the source driving circuit 210 to selectively output the multi-path data signal to each column of data lines corresponding to the target area, thereby controlling the target area to be switched to high resolution.
The switch control circuit 230 may be separately disposed or disposed in the timing controller 240, and the timing controller 240 outputs a corresponding on signal or off signal, which is not limited in particular.
The switch control circuit 230 may adopt a corresponding signal source and a switch switching circuit, and when the timing controller 240 outputs different control signals, the switch control circuit 230 may selectively output corresponding on signals and off signals.
Example seven
The present invention also provides a display device, as shown in fig. 13, which includes a display panel 100 and a driving circuit 200 of the display panel, and specific structures of the display panel 100 and the driving circuit 200 of the display panel refer to the above embodiments, and since the display device adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, which are not described herein again. The display panel driving circuit 200 is connected to the display panel 100.
The foregoing embodiments are merely illustrative of the technical solutions of the present invention, and not restrictive, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that modifications may still be made to the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel, comprising:
The display device comprises a plurality of scanning lines, a plurality of data lines and first pixel units which are arranged in an array, wherein the first pixel units in the ith row and the jth column are respectively connected with the scanning lines in the ith row and the data lines in the jth column;
a plurality of control lines, each of the control lines being disposed adjacent to the scan lines of an even row;
A plurality of first switches, each of which is connected between the scan line and the control line of the adjacent odd-numbered row, and is triggered to be turned on by a first on signal and is triggered to be turned off by a first off signal;
The first transmission lines are respectively connected with the control ends of the first switches and are used for transmitting the first on signals or the first off signals;
Four of the first pixel cells of every two rows and two columns form a pixel cell group, and each pixel cell group further includes:
The second pixel unit is arranged close to the first pixel unit of the ith column of the first row in the pixel unit group and is respectively connected with the data line of the jth column of the pixel unit group and the adjacent control line;
A third pixel unit, which is arranged near the first pixel unit of the ith column of the second row in the pixel unit group, and is respectively connected with the control line adjacent to the data line of the jth column of the pixel unit group, wherein i and j are respectively 1 and 2;
When the pixel unit group works at high resolution, the first transmission line transmits the turn-off signal to the first switch corresponding to the pixel unit group, the first switch is turned off, no line scanning signal is input to the second pixel unit and the third pixel unit of the pixel unit group, no display work is performed, when the line scanning is performed, the data line transmits two paths of different data signals to the first pixel units of two columns of the pixel unit group, and the first pixel unit displays corresponding image information when receiving the line scanning signal and the data signal of the line;
When the pixel unit group works at low resolution, the first transmission line transmits the conduction signal to the first switch corresponding to the pixel unit group, the first switch is conducted and communicated with the scanning line and the control line of the odd-numbered row corresponding to the pixel unit group, the second pixel unit and the third pixel unit of the pixel unit group receive the line scanning signal during progressive scanning, the first pixel units of two adjacent rows of the pixel unit group receive the line scanning signal during progressive scanning, the data signal is output to the data line of the odd-numbered columns corresponding to the pixel unit group, and the second pixel unit and the third pixel unit of the odd-numbered columns receive the same data signal.
2. The display panel of claim 1, wherein the first pixel unit includes a first thin film transistor and a first liquid crystal capacitor, a first end and a control end of the first thin film transistor are respectively connected with the corresponding data line and the scanning line, and a second end of the first thin film transistor is connected with the first liquid crystal capacitor;
The second pixel unit comprises a second thin film transistor and a second liquid crystal capacitor, a first end and a control end of the second thin film transistor are respectively connected with the corresponding data line and the control line, and a second end of the second thin film transistor is connected with the second liquid crystal capacitor;
the third pixel unit comprises a third thin film transistor and a third liquid crystal capacitor, wherein a first end and a control end of the third thin film transistor are respectively connected with the corresponding data line and the control line, and a second end of the third thin film transistor is connected with the third liquid crystal capacitor.
3. The display panel according to claim 2, wherein the second thin film transistor and the third thin film transistor of each of the pixel cell groups are disposed between the corresponding control line and the scan line of an even-numbered row;
The second ends of the first thin film transistors of the first pixel units of the second row and the first column of the pixel unit group, the second thin film transistor, the third thin film transistor and the second ends of the first thin film transistors of the pixel units of the second row and the second column of the pixel unit group are connected in series through connecting wires;
The second liquid crystal capacitor is connected with the second end of the second thin film transistor and is arranged close to the first pixel unit of the first row and the ith column in the pixel unit group;
The third liquid crystal capacitor is multiplexed with the first liquid crystal capacitor of the first pixel unit of the second row and the i-th column of the pixel unit group.
4. The display panel of claim 1, wherein the display panel further comprises:
the second switches and the first switches are respectively arranged on two sides of the display panel, each second switch is connected between the scanning line and the control line of the adjacent odd-numbered row, and the second switches are triggered to be turned on by a first on signal and are triggered to be turned off by a first off signal;
The second transmission line is used for transmitting the first on signal or the first off signal, and the second transmission line is respectively connected with the control end of each second switch.
5. The display panel of claim 4, wherein the display panel further comprises:
The third switches are connected in series between control lines between two adjacent pixel unit groups, and are triggered to be turned on by a second on signal and turned off by a second off signal;
and a plurality of third transmission lines, each of which is connected with a plurality of third switches between the pixel units of the adjacent columns, and is used for transmitting the second on signal or the second off signal.
6. The display panel of claim 4 or 5, wherein the display panel is symmetrically divided into a first display area and a second display area along a second direction, each of the scan lines including a first sub-scan line and a second sub-scan line that are separated;
The first display region has a first resolution and a first refresh rate, the second display region has a second resolution and a second refresh rate, the first resolution is less than the second resolution, and the first refresh rate is less than the second refresh rate.
7. A driving method of a display panel for driving the display panel according to any one of claims 1 to 6, comprising:
acquiring the current picture information of the display panel, and switching to a first display mode or a second display mode;
When switching to the first display mode, outputting a corresponding conduction signal to a corresponding transmission line, outputting a plurality of line scanning signals to a plurality of scanning lines of the display panel line by line, and outputting data signals to a data line of a j-th column corresponding to each pixel unit group of the target area within two continuous line scanning times of a pixel line scanning to the target area, so as to switch the resolution of the target area into the first resolution, wherein the target area is a part of or all of the display area of the display panel;
when switching to the second display mode, outputting a corresponding turn-off signal to a corresponding transmission line, outputting a plurality of line scanning signals to a plurality of data lines of the display panel line by line, and outputting a plurality of data signals to a plurality of data lines of the display panel line by line during line scanning, so as to switch the display panel to a second resolution, wherein the second resolution is larger than the first resolution.
8. The driving method of a display panel according to claim 7, wherein the display panel is symmetrically divided into a first display area and a second display area along a second direction, each of the scan lines includes a first sub-scan line and a second sub-scan line which are separated, the first display area having a first resolution, and the second display area having a second resolution;
The driving method of the display panel further includes:
When the first display area is of a first resolution, controlling refresh rates of the row scanning signals, the data signals and the conduction signals of the first display area to be first refresh rates;
And when the second display area is of a second resolution, controlling the refresh rate of each row scanning signal, each data signal and each on signal of the second display area to be a second refresh rate, wherein the first refresh rate is smaller than the second refresh rate.
9. The driving circuit of the display panel is characterized by comprising a source driving circuit, a gate driving circuit, a switch control circuit and a time schedule controller, wherein the source driving circuit is respectively connected with a plurality of data lines of the display panel, the gate driving circuit is respectively connected with a plurality of scanning lines of the display panel, the switch control circuit is connected with a plurality of transmission lines of the display panel, and the switch control circuit is used for outputting corresponding on signals and/or off signals;
The timing controller is respectively connected with the source driving circuit, the gate driving circuit and the switch control circuit, and is used for outputting control signals to the source driving circuit, the gate driving circuit and the switch control circuit so as to realize the driving method of the display panel according to any one of claims 7-8.
10. A display device comprising the display panel according to any one of claims 1 to 6 and the drive circuit of the display panel according to claim 9, wherein the drive circuit of the display panel is connected to the display panel.
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| CN107274822A (en) * | 2017-07-04 | 2017-10-20 | 京东方科技集团股份有限公司 | Scan drive circuit and driving method, array base palte and display device |
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| CN117437887A (en) * | 2023-11-22 | 2024-01-23 | 昆山国显光电有限公司 | Display panel, driving method thereof and display device |
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