CN101404134A - Display panel using semi-source pole driving architecture and its display data furnishing method - Google Patents

Abstract

The invention discloses a display panel using a half-source driving structure, which includes a plurality of gate drive circuits, a data input line, a plurality of first gate drive lines and a second gate drive line, a plurality of first pixels and The second pixel: the first pixels are arranged in two columns along the data input line, the second pixels are arranged in two columns along the data input line, and the first and second pixels are arranged on different sides of the data input line and coupled to the data input line. The input line, the first and the second pixels are respectively coupled to the first and the second gate driving line, and the data input line has a bent portion between the two sequentially coupled first pixels. The display data supply method of the display panel includes providing display data with the same polarity in each frame; transmitting the first and second gate driving signals; and providing display data to the first and second pixels.

Description

Display panel using half-source drive architecture and display data supply method thereof

technical field

The invention relates to the field of flat panel displays, and in particular to a display panel using a half-source driving structure and a display data supply method thereof.

Background technique

Flat panel displays, such as liquid crystal displays, plasma displays, etc., have the advantages of high image quality, small size, light weight, and wide application range, so they are widely used in consumer electronics such as mobile phones, notebook computers, desktop displays, and televisions. Products, and has gradually replaced the traditional cathode ray tube display and become the mainstream of the display.

Referring to FIG. 1 , it shows a display panel 10 using a half-source driving structure in the prior art. The display panel 10 includes two Gate On Array (GOA) circuits 11 and 13, a plurality of data input lines S1-S4, a plurality of first gate driving lines G1, G3, G5 and G7, a plurality of The second gate driving lines G2 , G4 , G6 and G8 , the plurality of first pixels 122 and the plurality of second pixels 124 . Wherein, each data input line S1-S4 is used to receive and transmit a plurality of display data to a plurality of first pixels 122 and a plurality of second pixels 124 electrically coupled thereto, and is electrically coupled to each data input The first pixel 122 and the second pixel 124 of the lines S1-S4 are arranged on opposite sides of the data input line; Generate a first gate drive signal to determine whether these first pixels 122 receive one of the display data from the corresponding ones in the data input lines S1-S4, and the second gate drive lines G2, G4, G6 and G8 Sequentially transmit a second gate driving signal generated by the gate on the matrix circuit 13 to determine whether the second pixel 124 receives one of these display data from the corresponding one of the data input lines S1-S4; located in the same pixel The first pixel 122 and the second pixel 124 in a row are pixels for displaying the same color (eg, red R, green G or blue B).

Referring to FIG. 2 , it shows a timing diagram of a plurality of signals in the display panel 10 . Specifically, Figure 2 shows the timing of the data upload signal (LD), display data (Source OP data), polarity signal (POL) and vertical start pulse signal (VSTL) during the Nth frame and the N+1th frame picture.

1 and 2, it can be seen that the data inversion method of the display panel 10 adopts the dot inversion (DotInversion) method, and the polarity of each data input line S1-S4 is within each line cycle in each frame. will be converted once, resulting in large power consumption of the data input lines S1-S4.

Contents of the invention

The technical problem to be solved by the present invention is to provide a display panel using a half-source drive architecture, the data inversion method of which can be column inversion (Column Inversion) method, thereby greatly reducing the power consumption of the data input line.

Another object of the present invention is to provide a display data supply method for a display panel with a half-source driving structure, so as to reduce the power consumption of the data input lines in the display panel.

A first embodiment of the present invention proposes a display panel using a half-source drive structure, which includes a plurality of gate drive circuits, a data input line, a plurality of first gate drive lines, and a plurality of second gate drive lines lines, a plurality of first pixels, and a plurality of second pixels; these gate drive circuits are arranged on the display panel; the data input lines are used to receive and transmit a plurality of display data; these first gate drive lines are sequentially transmitting a first gate driving signal; these second gate driving lines sequentially transmitting a second gate driving signal; these first pixels are arranged in two columns along the data input line and arranged on one side of the data input line, Each first pixel is electrically coupled to the data input line and one of the first gate driving lines; the second pixels are arranged in two columns along the data input line and arranged on the data input line different from the first pixels On the other side, each second pixel is electrically coupled to the data input line and one of the second gate driving lines. Wherein, the data input line has a bending portion between two first pixels coupled in sequence, and some of these gate driving circuits are electrically coupled to these first gate driving lines and arranged on the data input line. On one side, another part of the gate driving circuits is electrically coupled to the second gate driving lines and disposed on the other side of the data input lines.

A second embodiment of the present invention provides a display data supply method for the display panel described in the first embodiment above, which includes: providing these display data with the same polarity in each frame; transmitting the first a gate driving signal and a second gate driving signal; and providing the display data to one of the first pixels and one of the second pixels in turn.

A third embodiment of the present invention proposes another display panel using a half-source drive structure, which includes: a plurality of gate drive chips, a data input line, a plurality of first gate drive lines, a plurality of second gate Pole drive lines, a plurality of first pixels and a plurality of second pixels; these gate drive chips are formed on the display panel; the data input lines are used to receive and transmit a plurality of display data; these first gate drive lines are sequentially transmitting a first gate driving signal; these second gate driving lines are parallel to these first gate driving lines, and sequentially transmitting a second gate driving signal; these first pixels are arranged on one side of the data input line and Arranged in two columns at intervals, each first pixel is electrically coupled to one of the first gate driving lines; these second pixels are arranged on different sides of the data input line corresponding to the first pixels, and each second The pixel is electrically coupled to one of the second gate driving lines. Wherein, the first pixel groups are arranged in two straight lines forming a specific angle with the first gate driving lines, and some of the gate driving chips are electrically coupled to the first gate driving lines and disposed on the data input lines. On one side, another part of the gate driving chips is electrically coupled to the second gate driving lines and disposed on the other side of the data input lines.

A fourth embodiment of the present invention proposes a display data supply method for the display panel described in the third embodiment above, which includes: providing these display data with the same polarity in each frame; transmitting the first a gate driving signal and a second gate driving signal; and providing the display data to the first pixels and the second pixels.

The embodiment of the present invention replaces the data point inversion method in the prior art with the column inversion method through the layout of specific pixels and data input lines, but the effect of the picture can be equivalent to the dot inversion method in the prior art The achieved picture effect; and, the polarity of the data input line of this column inversion mode only switches once in each frame picture, compared with the data input line in the prior art in each line in each frame picture In the case of switching once every cycle, the power consumption of the data input line will be greatly reduced.

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Description of drawings

FIG. 1 is a schematic diagram of a display panel using a half-source drive architecture in the prior art;

FIG. 2 shows a timing diagram of a plurality of signals in the display panel shown in FIG. 1;

3 is a schematic diagram of a display panel using a half-source drive architecture proposed by an embodiment of the present invention;

FIG. 4 shows a timing diagram of a plurality of signals in the display panel shown in FIG. 3;

FIG. 5 is a schematic diagram of a display panel using a half-source drive architecture according to yet another embodiment of the present invention;

FIG. 6 is a schematic diagram of a display panel using a half-source drive architecture proposed by another embodiment of the present invention;

FIG. 7 is a schematic diagram of a display panel using a half-source driving architecture according to another embodiment of the present invention.

Among them, reference signs:

10: Display panel

11, 13: Gate on matrix circuit

122: first pixel

124: second pixel

30: display panel

31, 33: Gate on matrix circuit

322: first pixel

323: bending part

324: second pixel

S1～S5: data input line

G1, G3, G5, G7: the first gate drive line

G2, G4, G6, G8: the second gate drive line

θ: specific angle

Detailed ways

The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of a preferred embodiment with reference to the drawings. The directional terms mentioned in the following embodiments, such as: left, right, row or column, etc., are only referring to the directions of the attached drawings. Accordingly, the descriptions of directions herein are for illustration and not for limitation of the present invention.

Referring to FIG. 3 , it is a display panel 30 using a half-source driving structure proposed by an embodiment of the present invention. The display panel 30 includes two gate drive circuits 31 and 33, a plurality (that is, two or more) of data input lines S1-S5, a plurality of first gate drive lines G1, G3, G5 and G7, a plurality of The second gate driving lines G2 , G4 , G6 and G8 , the plurality of first pixels 322 and the plurality of second pixels 324 .

The gate driving circuits 31 and 33 are disposed on the display panel 30 in a gate-on-matrix (GOA) manner and are respectively disposed on opposite sides of the data input lines S1 - S5 . Wherein, the gate drive circuit 31 is used to generate a first gate drive signal and is electrically coupled to the first gate drive lines G1, G3, G5 and G7; the gate drive circuit 33 is used to generate a second gate drive signal. The driving signal is electrically coupled to the second gate driving lines G2, G4, G6 and G8. It should be noted that, the gate driving circuits 31 and 33 are not limited to the two cases proposed in the embodiment of the present invention, and the number thereof can be appropriately increased according to the actual required size of the display panel 30 . Further, in another embodiment, the gate driving circuits 31 and 33 can be two gate driving chips formed on the display panel 30 .

Each data input line S1-S5 is used to receive and transmit a plurality of display data to a plurality of first pixels 322 and a plurality of second pixels 324 electrically coupled thereto, and is electrically coupled to each data input line S1 The first pixel 322 and the second pixel 324 of ~ S5 are respectively disposed on opposite sides of the data input line. The first gate drive lines G1, G3, G5 and G7 sequentially transmit the first gate drive signals; the second gate drive lines G2, G4, G6 and G8 and the first gate drive lines G1, G3, G5 and G7 In parallel, the second gate driving signals are sequentially transmitted.

Based on the above, the plurality of first pixels 322 electrically coupled to the same data input line, that is, any one of the data input lines S1-S5 in this embodiment, are along the data input line (for example, S1 ~ any one of S5) are arranged in two columns and arranged in two columns at intervals. Moreover, it can also be known from FIG. 3 that the first pixels 322 electrically coupled to the same data input line are grouped and arranged to form two straight lines forming a specific angle θ with the first gate driving lines G1, G3, G5, and G7. (As shown by the dotted line box in FIG. 3 ), the specific angle θ is about 90 degrees, and the width of each straight line is the width of the first pixel 322 . Similarly, a plurality of second pixels 324 electrically coupled to the same data input line are also grouped and arranged into two straight lines forming a specific angle θ with the second gate driving lines G2, G4, G6 and G8 (as shown in FIG. 3 As shown by the dotted line box), the specific angle θ is about 90 degrees, and the width of each line is the width of the second pixel 324 . In this embodiment, since two adjacent first pixels 322 (or two second pixels 324) electrically coupled to the same data input line are arranged in two columns, each data input line S1-S5 There is a bent portion 323 between the sequentially coupled two first pixels 322 (or two second pixels 324 ), and the bent portion 323 can be one bend or a combination of multiple bends.

Please refer to FIG. 3 again, the RGB pixels in the display panel 30 are arranged in strips, and the first pixel 322 (or second pixel 324) in the same pixel row is used to display the same color, such as red R, green The pixels of G or blue B, the first pixel 322 (or the second pixel 324 ) electrically coupled to the same data input line are sequentially used to display different colors of pixels. The first pixel 322 and the second pixel 324 are arranged to form a plurality of pixel rows (for example, four pixel rows shown in FIG. 3 ), and the head (or end) of each pixel row is provided with two redundant pixels (dummy pixels) (See unlabeled R, G, B pixels in each pixel row).

Referring to FIG. 4 , it shows a timing diagram of a plurality of signals in the display panel 30 . Specifically, FIG. 4 shows a timing diagram of the data upload signal, the display data, the polarity signal and the vertical start pulse signal during the Nth frame and the N+1th frame. It can be seen from FIG. 3 and FIG. 4 that the data inversion mode in the display panel 10 is a column inversion mode, and the polarity of each data input line S1 - S5 is only switched once in each frame. In addition, comparing FIG. 3 with FIG. 1, it can be known that the display panel 30 shown in FIG. The effect can be equivalent to the picture effect of the dot inversion method of the display panel 10 shown in FIG. 1 , and the adoption of the column inversion method can greatly reduce the power consumption of the data input lines S1 - S5 .

A method for supplying display data for a display panel 30 using a half-source drive architecture will be described in detail below in conjunction with FIG. 3 and FIG. 4 , which includes the steps of: A plurality of display data of positive (or negative) polarity; transmitting the first gate driving signal and the second gate driving signal; One of the first pixels 322 and one of the plurality of second pixels 324 . In the adjacent Nth frame and N+1th frame, multiple display data with different polarities are provided. For example, the Nth frame provides display data with positive polarity, while the N+1th frame Provides display data with negative polarity.

It should be noted that the RGB pixels arranged in strips in the display panel 30 are not limited to the above-mentioned first pixels 322 (or second pixels 324) in the same pixel row being pixels for displaying the same color ; As shown in FIG. 5 , the first pixel 322 (or second pixel 324 ) in the same pixel row includes pixels of three colors R, G, and B, and the RGB pixels are repeatedly arranged in a predetermined arrangement, electrically coupled to The first pixels 322 (or the second pixels 324 ) on the same data input line are pixels for displaying different colors in sequence.

In addition, the RGB pixels in the display panel of the embodiment of the present invention are not limited to the above-mentioned arrangement in straight stripes, and they can also be arranged in a mosaic (Delta) as shown in FIGS. 6 and 7 .

Specifically, in the RGB pixels arranged in a mosaic in FIG. 6, the first pixel 322 (or the second pixel 324) in the same pixel row is a pixel for displaying the same color, and is electrically coupled to the same data input line. The first pixel 322 (or the second pixel 324) is sequentially used to display pixels of different colors and is arranged in groups to form a line with the first gate driving lines G1, G3, G5 and G7 (or G2, G4, G6 and G8). Two straight lines at a specific angle θ (for example, about 90 degrees) (shown as a dotted box in FIG. 6 ).

In the RGB pixels arranged in a mosaic in Fig. 7, the first pixel 322 (or the second pixel 324) in the same pixel row includes pixels of three colors of R, G, and B and the RGB pixels are repeatedly arranged in a predetermined arrangement, while The first pixels 322 (or second pixels 324) electrically coupled to the same data input line are pixels for displaying the same color and arranged in groups with the first gate driving lines G1, G3, G5 and G7 (or G2 , G4, G6 and G8) form two straight lines (not shown in FIG. 7 ) at a specific angle (for example, about 90 degrees).

To sum up, in the embodiment of the present invention, the data point inversion method in the prior art can be replaced by the column inversion method through the layout of specific pixels and data input lines, but the effect of the screen can be equivalent to The picture effect achieved by using the dot inversion method in the prior art; moreover, the polarity of the data input line of this column inversion method is only switched once in each frame of the picture, compared with the data input in the prior art In the case where the lines are switched once per line period in each frame, the power consumption of the data input lines will be greatly reduced.

Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.

Claims (9)

1. A display panel using a half-source drive architecture, characterized in that it comprises: A plurality of gate driving circuits are arranged on the display panel; A data input line for receiving and transmitting a plurality of display data; A plurality of first gate driving lines sequentially transmit a first gate driving signal; A plurality of second gate driving lines sequentially transmit a second gate driving signal; A plurality of first pixels are arranged in two columns along the data input line and arranged on one side of the data input line, each of the first pixels is electrically coupled to the data input line and the first gates one of the drive lines; and A plurality of second pixels are arranged in two columns along the data input line and arranged on the other side of the data input line different from the first pixels, and each of the second pixels is electrically coupled to the data input line and one of the second gate driving lines; Wherein, the data input line has a bending portion between the two sequentially coupled first pixels, and some of the gate driving circuits are electrically coupled to the first gate driving lines and set On one side of the data input line, another part of the gate drive circuits is electrically coupled to the second gate drive lines and disposed on the other side of the data input line. 2. The display panel according to claim 1, wherein the first pixels are arranged in two columns at intervals. 3. A display data supply method for the display panel of claim 1, characterized in that it comprises: providing the display data with the same polarity in each frame; transmitting the first gate drive signal and the second gate drive signal; and providing the display data to one of the first pixels and one of the second pixels in turn. 4. The display data supply method according to claim 3, further comprising: providing the display data with different polarities in two adjacent frames. 5. A display panel using a half-source drive architecture, characterized in that it comprises: A plurality of gate driving chips are formed on the display panel; A data input line for receiving and transmitting a plurality of display data; A plurality of first gate driving lines sequentially transmit a first gate driving signal; A plurality of second gate driving lines, parallel to the first gate driving lines, sequentially transmit a second gate driving signal; A plurality of first pixels are arranged on one side of the data input line and arranged in two columns at intervals, and each of the first pixels is electrically coupled to one of the first gate driving lines; and A plurality of second pixels are arranged on different sides of the data input line corresponding to the first pixels, and each of the second pixels is electrically coupled to one of the second gate driving lines; Wherein, the first pixel groups are arranged in two straight lines forming a specific angle with the first gate driving lines, and some of the gate driving chips are electrically coupled to the first gate driving lines and arranged on On one side of the data input line, another part of the gate drive chips is electrically coupled to the second gate drive lines and disposed on the other side of the data input line. 6. The display panel as claimed in claim 5, wherein the specific angle is about 90 degrees. 7. The display panel according to claim 5, wherein the width of each of the straight lines is the width of the first pixels. 8. A display data supply method for the display panel of claim 5, characterized in that it comprises: providing the display data with the same polarity in each frame; transmitting the first gate drive signal and the second gate drive signal; and The display data are provided to the first pixels and the second pixels. 9. The display data supply method according to claim 8, further comprising: providing the display data with different polarities in two adjacent frames.

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