CN108735172A - Liquid crystal display circuit and liquid crystal display - Google Patents
Liquid crystal display circuit and liquid crystal display Download PDFInfo
- Publication number
- CN108735172A CN108735172A CN201810504998.7A CN201810504998A CN108735172A CN 108735172 A CN108735172 A CN 108735172A CN 201810504998 A CN201810504998 A CN 201810504998A CN 108735172 A CN108735172 A CN 108735172A
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- Prior art keywords
- liquid crystal
- crystal display
- display circuit
- unit
- sequence controller
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A kind of liquid crystal display circuit of present invention offer and liquid crystal display, liquid crystal display circuit include sequence controller, multiple COF chips and multiple pixel units；There are the sequence controller multiple output ports, the multiple output port to be connect correspondingly with the multiple COF chips, and each COF chips are connect with a pixel unit respectively, and each pixel unit includes multiple pixels；For the sequence controller for generating multiple preset clock signals respectively, multiple preset clock signal is sent to corresponding COF chips by multiple output port respectively.Liquid crystal display circuit provided by the invention, to control the charging time of different pixels unit, can improve the homogeneity of each Display panel by providing different clock signals to different COF chips.
Description
Technical field
The present invention relates to field of liquid crystal display, and in particular to a kind of liquid crystal display circuit and liquid crystal display.
Background technology
Since the electric conductivity of panel is there are resistance, drive signal will appear decaying in transmission process, at different distance
The dough softening of pixel unit is different, if each pixel unit in panel can be made to show not using the identical charging time
It is uniform.
Therefore, the prior art is defective, needs to improve.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of liquid crystal display circuit and liquid crystal display, so that liquid crystal display
Display is evenly.
The embodiment of the present invention provides a kind of liquid crystal display circuit, including sequence controller, multiple COF chips and multiple pictures
Plain unit；
The sequence controller has multiple output ports, and the multiple output port and the multiple COF chips are one by one
Correspondingly connected, each COF chips are connect with a pixel unit respectively, and each pixel unit includes multiple pictures
Element；
The sequence controller for generating multiple preset clock signals, multiple preset clock signal difference respectively
It is sent to corresponding COF chips by multiple output port.
Further include multiple partial pressure units in liquid crystal display circuit of the present invention, each pixel unit passes through
One partial pressure unit is connected with the corresponding COF chips.
Further include multiple filter units in liquid crystal display circuit of the present invention, the one of each filter unit
End is connect with one end of a partial pressure unit respectively, the other end ground connection of the filter unit.
In liquid crystal display circuit of the present invention, one end of the filter unit be connected to the partial pressure unit with it is right
It answers at the common node of pixel unit, other end ground connection.
In liquid crystal display circuit of the present invention, the partial pressure unit includes a resistance.
In liquid crystal display circuit of the present invention, the filter unit includes a filter capacitor.
In liquid crystal display circuit of the present invention, the output port is the GPIO port of the sequence controller.
In liquid crystal display circuit of the present invention, the sequence controller is used to obtain the decaying of each pixel unit
Degree, and output is adjusted to the high level in each period of the clock signal of each COF chips according to the dough softening
Duration, and then adjust the charging time of each pixel unit.
Further include the dough softening for detecting each pixel unit in liquid crystal display circuit of the present invention
Dough softening detection unit, the dough softening detection unit connects with each pixel unit and the sequence controller respectively
It connects.
A kind of liquid crystal display, including liquid crystal display circuit described in any one of the above embodiments.
Liquid crystal display circuit provided by the invention to different COF chips by providing different clock signals, to control
In the charging time of different pixels unit processed, the homogeneity of each Display panel can be improved.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the first structural schematic diagram of the liquid crystal display circuit in some embodiments of the invention.
Fig. 2 is second of structural schematic diagram of the liquid crystal display circuit in some embodiments of the invention.
Fig. 3 is the third structural schematic diagram of the liquid crystal display circuit in some embodiments of the invention.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Referring to Fig. 1, Fig. 1 is the structure chart of the liquid crystal display circuit in some embodiments of the invention, liquid crystal display electricity
Road includes sequence controller 10, multiple COF chips 20, multiple pixel units 30.
Wherein, which has multiple output ports, multiple output port and multiple COF chips 20 1
One is correspondingly connected, and every COF chips 20 are connect with a pixel unit 30 respectively, and each pixel unit 30 includes multiple pictures
Element.Sequence controller 10 for generating multiple preset clock signals respectively, and multiple preset clock signal is respectively by this
Multiple output ports are sent to corresponding COF chips 20.Sequence controller 10 is used to obtain the dough softening of each pixel unit 30,
And output holding to the high level in each period of the clock signal of each COF chips 20 is adjusted according to the dough softening
The continuous time, and then adjust the charging time of each pixel unit 30.So that each pixel unit in panel show it is uniform.
Wherein, which is clock signal generating means common in the art.
Wherein, which is used to drive each pixel in respective pixel unit 30.
Wherein, each pixel unit 30 includes multiple pixels.Each pixel includes multiple sub-pixels, for example, a pixel
Including three sub-pixels of red, green, blue.
Fig. 2 is please referred to, in some embodiments, which includes sequence controller 10, multiple COF chips
20, multiple pixel units 30, multiple partial pressure units 40 and multiple filter units 50.
Wherein, which has multiple output ports, multiple output port and multiple COF chips 20 1
One is correspondingly connected, and every COF chips 20 are connect with a pixel unit 30 respectively, and each pixel unit 30 includes multiple pictures
Element.Sequence controller 10 for generating multiple preset clock signals respectively, and multiple preset clock signal is respectively by this
Multiple output ports are sent to corresponding COF chips 20.Sequence controller 10 is used to obtain the dough softening of each pixel unit 30,
And output holding to the high level in each period of the clock signal of each COF chips 20 is adjusted according to the dough softening
The continuous time, and then adjust the charging time of each pixel unit 30.So that each pixel unit in panel show it is uniform.
Each pixel unit is connected by a partial pressure unit 40 with corresponding COF chips 30.One end of each partial pressure unit 40 respectively with
One end of one filter unit 50 connects, the other end ground connection of the filter unit 50.Specifically, one end of filter unit 50
The partial pressure unit 40 is connected to at the common node of respective pixel unit, the other end is grounded.Filter unit 50 is for filtering out
Impulse disturbances can protect pixel unit.
In some embodiments, which includes a resistance.
In some embodiments, filter unit includes a filter capacitor.
In some embodiments, output port is the GPIO port of the sequence controller.
Fig. 3 is please referred to, in some embodiments, in some embodiments, which includes sequence controller
10, multiple COF chips 20, multiple pixel units 30, multiple partial pressure units 40 and multiple filter units 50, dough softening detection are single
Member 60.
Wherein, which has multiple output ports, multiple output port and multiple COF chips 20 1
One is correspondingly connected, and every COF chips 20 are connect with a pixel unit 30 respectively, and each pixel unit 30 includes multiple pictures
Element.Sequence controller 10 for generating multiple preset clock signals respectively, and multiple preset clock signal is respectively by this
Multiple output ports are sent to corresponding COF chips 20.Sequence controller 10 is used to obtain the dough softening of each pixel unit 30,
And output holding to the high level in each period of the clock signal of each COF chips 20 is adjusted according to the dough softening
The continuous time, and then adjust the charging time of each pixel unit 30.So that each pixel unit in panel show it is uniform.
Further include that each pixel unit is connected by a partial pressure unit 40 with corresponding COF chips 20 in liquid crystal display circuit.Each point
One end of pressure unit 40 is connect with one end of a filter unit 50 respectively, the other end ground connection of the filter unit 50.Tool
Body, one end of filter unit 50 is connected at the common node of the partial pressure unit 40 and respective pixel unit, another termination
Ground.
Dough softening detection unit 60 is used to detect the dough softening of each pixel unit 30, the dough softening detection unit
It is connect respectively with each pixel unit 30 and the sequence controller 10.
The present invention also provides a kind of liquid crystal displays, including liquid crystal display circuit described in any one of the above embodiments.
Liquid crystal display circuit provided by the invention to different COF chips by providing different clock signals, to control
In the charging time of different pixels unit processed, the homogeneity of each Display panel can be improved.
Liquid crystal display circuit provided in an embodiment of the present invention and liquid crystal display are described in detail above, herein
Applying specific case, principle and implementation of the present invention are described, and the explanation of above example is only intended to help
Understand the present invention.Meanwhile for those skilled in the art, according to the thought of the present invention, in specific implementation mode and model is applied
There will be changes are placed, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of liquid crystal display circuit, which is characterized in that including sequence controller, multiple COF chips and multiple pixel units；
There are the sequence controller multiple output ports, the multiple output port to be corresponded with the multiple COF chips
Ground connects, and each COF chips are connect with a pixel unit respectively, and each pixel unit includes multiple pixels；
For generating multiple preset clock signals respectively, multiple preset clock signal passes through the sequence controller respectively
Multiple output port is sent to corresponding COF chips.
2. liquid crystal display circuit according to claim 1, which is characterized in that further include multiple partial pressure units, it is each described
Pixel unit is connected by a partial pressure unit with the corresponding COF chips.
3. liquid crystal display circuit according to claim 2, which is characterized in that further include multiple filter units, it is each described
One end of filter unit is connect with one end of a partial pressure unit respectively, the other end ground connection of the filter unit.
4. liquid crystal display circuit according to claim 3, which is characterized in that one end of the filter unit is connected to described
With at the common node of respective pixel unit, the other end is grounded partial pressure unit.
5. liquid crystal display circuit according to claim 2, which is characterized in that the partial pressure unit includes a resistance.
6. liquid crystal display circuit according to claim 3, which is characterized in that the filter unit includes a filter capacitor.
7. liquid crystal display circuit according to claim 1, which is characterized in that the output port is the sequence controller
GPIO port.
8. liquid crystal display circuit according to claim 1, which is characterized in that the sequence controller is for obtaining each picture
The dough softening of plain unit, and each period of the output to the clock signal of each COF chips is adjusted according to the dough softening
The duration of interior high level, and then adjust the charging time of each pixel unit.
9. liquid crystal display circuit according to claim 1, which is characterized in that further include one for detecting each pixel
The dough softening detection unit of the dough softening of unit, the dough softening detection unit respectively with each pixel unit and described
Sequence controller connects.
10. a kind of liquid crystal display, which is characterized in that including claim 1-9 any one of them liquid crystal display circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504998.7A CN108735172A (en) | 2018-05-24 | 2018-05-24 | Liquid crystal display circuit and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810504998.7A CN108735172A (en) | 2018-05-24 | 2018-05-24 | Liquid crystal display circuit and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
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| CN108735172A true CN108735172A (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810504998.7A Pending CN108735172A (en) | 2018-05-24 | 2018-05-24 | Liquid crystal display circuit and liquid crystal display |
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| CN (1) | CN108735172A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599973A (en) * | 2019-08-20 | 2019-12-20 | 深圳市华星光电技术有限公司 | Driving method of display panel |
| CN111161690A (en) * | 2020-03-06 | 2020-05-15 | Tcl华星光电技术有限公司 | Driving method, driving system and storage medium of display panel |
| CN112927661A (en) * | 2021-03-02 | 2021-06-08 | 重庆先进光电显示技术研究院 | Display drive board and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030209803A1 (en) * | 2002-05-10 | 2003-11-13 | Takehiro Suzuki | Semiconductor device and display panel module incorporating thereof |
| US7511688B2 (en) * | 2004-02-04 | 2009-03-31 | Lg Display Co., Ltd. | Electro-luminescence display |
| CN102034416A (en) * | 2009-10-06 | 2011-04-27 | 三星电子株式会社 | Electronic device, display device and method of controlling the display device |
| CN103165095A (en) * | 2013-03-29 | 2013-06-19 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving circuit, liquid crystal display panel and driving method |
| CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
| CN107045858A (en) * | 2016-12-02 | 2017-08-15 | 厦门天马微电子有限公司 | The driving method and liquid crystal display panel of a kind of liquid crystal display panel |
-
2018
- 2018-05-24 CN CN201810504998.7A patent/CN108735172A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030209803A1 (en) * | 2002-05-10 | 2003-11-13 | Takehiro Suzuki | Semiconductor device and display panel module incorporating thereof |
| US7511688B2 (en) * | 2004-02-04 | 2009-03-31 | Lg Display Co., Ltd. | Electro-luminescence display |
| CN102034416A (en) * | 2009-10-06 | 2011-04-27 | 三星电子株式会社 | Electronic device, display device and method of controlling the display device |
| CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
| CN103165095A (en) * | 2013-03-29 | 2013-06-19 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving circuit, liquid crystal display panel and driving method |
| CN107045858A (en) * | 2016-12-02 | 2017-08-15 | 厦门天马微电子有限公司 | The driving method and liquid crystal display panel of a kind of liquid crystal display panel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599973A (en) * | 2019-08-20 | 2019-12-20 | 深圳市华星光电技术有限公司 | Driving method of display panel |
| WO2021031268A1 (en) * | 2019-08-20 | 2021-02-25 | 深圳市华星光电技术有限公司 | Method for driving display panel |
| CN111161690A (en) * | 2020-03-06 | 2020-05-15 | Tcl华星光电技术有限公司 | Driving method, driving system and storage medium of display panel |
| CN112927661A (en) * | 2021-03-02 | 2021-06-08 | 重庆先进光电显示技术研究院 | Display drive board and display device |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20181102 |