CN113920919A - Display panel - Google Patents
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- CN113920919A CN113920919A CN202111248396.8A CN202111248396A CN113920919A CN 113920919 A CN113920919 A CN 113920919A CN 202111248396 A CN202111248396 A CN 202111248396A CN 113920919 A CN113920919 A CN 113920919A
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- scanning line
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- driving
- display panel
- pixels
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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
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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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
- 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)
- 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
The invention discloses a display panel. The display panel comprises a plurality of data lines, and each data line extends along a column direction; a plurality of scan lines each extending in a row direction and intersecting each of the data lines; the pixel units are arranged between two adjacent data lines and are arranged in an array manner, each pixel unit comprises two sub-pixels with different colors, and the two sub-pixels in the same pixel unit are connected with the same data line; the driving sequence of the scanning lines corresponding to two adjacent frames is different. The driving sequence of the scanning lines corresponding to two adjacent frames of pictures is set to be different, so that bright and dark sub-pixels can be uniformly dispersed in each row/column, the problem of bright and dark lines in the prior art is effectively solved, the purpose of homogenizing display pictures is achieved, and the display quality is improved.
Description
Technical Field
The invention relates to the technical field of display panels, in particular to a display panel.
Background
In the prior art, a Data Line Sharing (DLS) technique uses sub-pixels (sub-pixels) adjacent to each other on the left and right to share a Data Line and uses different scan lines for addressing. By adopting the DLS architecture, the number of Source driving chips (Source ICs) can be reduced, so that the structure can be effectively simplified, and the cost can be reduced.
However, since two rows of sub-pixels share one data line, the charging time of the data line sharing technology is halved compared with the charging time of the non-data line sharing technology under the condition of the same resolution, and thus the charging rate is not uniform due to the difference of the charging time. If the same driving method as the non-data line sharing technology is still adopted, in order to overcome the problem of poor bright and dark lines caused by the difference of pixel volume due to the difference of charging time, it is necessary to improve the charging rate by increasing the thickness or the width of the metal line. However, increasing the metal film thickness or increasing the metal line width causes problems such as an increase in cost or a decrease in transmittance.
Therefore, it is urgently needed to develop a new architecture to improve the problems of bright and dark lines caused by the data line sharing technology.
Disclosure of Invention
An object of the present invention is to provide a display panel, which is to effectively solve the problem of dark lines in the display panel adopting the data line sharing technology.
According to an aspect of the present invention, an embodiment of the present invention provides a display panel, including: a plurality of data lines each extending in a column direction; a plurality of scan lines each extending in a row direction and intersecting each of the data lines; the pixel units are arranged between two adjacent data lines and are arranged in an array manner, each pixel unit comprises two sub-pixels with different colors, and the two sub-pixels in the same pixel unit are connected with the same data line; the driving sequence of the scanning lines corresponding to two adjacent frames is different.
Further, the driving sequence includes a first driving sequence and a second driving sequence, where the 2N-1 frame of picture adopts the first driving sequence, and the 2N frame of picture adopts the second driving sequence, where N is a natural number greater than 0.
Further, the first driving sequence includes: and sequentially arranging a first scanning line, a second scanning line, a third scanning line, a fourth scanning line, a fifth scanning line, a sixth scanning line and a 2 Mth scanning line according to the sequence from the first scanning line to the second scanning line, wherein M is a natural number greater than 3, and the first scanning line to the 2 Mth scanning line are sequentially arranged.
Further, the second driving sequence includes: and sequentially arranging a second scanning line, a first scanning line, a fourth scanning line, a third scanning line, a sixth scanning line, a fifth scanning line and a 2M-1 scanning line according to the sequence, wherein M is a natural number more than 3, and the first scanning line and the 2M scanning line are sequentially arranged.
Further, under the same driving sequence, the sub-pixel rows formed by the sub-pixels with the same color and emitting darker light have the same position in the two frames.
Furthermore, under different driving sequences, the sub-pixel columns formed by the sub-pixels with the same color and emitting darker light are distributed in a position staggered manner in the two frames of pictures.
Further, the driving polarities of the adjacent pixel units along each of the scanning line directions are opposite.
Further, the driving polarities of the adjacent pixel units along each of the data line directions are opposite.
Further, the driving polarities between two sub-pixels located in the same pixel unit are the same.
The invention has the advantages that the driving sequence of the plurality of scanning lines corresponding to the two adjacent frames of pictures is set to be different, so that the sub-pixels needing to be charged for a long time under the first driving sequence and the sub-pixels needing to be charged for a long time under the second driving sequence are distributed at different positions in the two adjacent frames of pictures, and the bright and dark sub-pixels can be uniformly dispersed in each row/column, so that the problem of bright and dark lines in the prior art is effectively solved, the purpose of uniformizing the displayed pictures is achieved, and the display quality is improved.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic diagram of an architecture of a display panel operating in odd frames according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating an architecture of the display panel operating in an even frame according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a display panel according to a second embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and fig. 2, they are schematic structural diagrams of a display panel 100 according to an embodiment of the present invention when the display panel operates in odd frames and even frames, respectively. The display panel 100 includes: a plurality of data lines 20, a plurality of scan lines 10, and a plurality of pixel units 30. In addition, the display panel 100 further includes a gate driver and a source driver (not shown). The plurality of data lines extend in a column direction, and the plurality of scan lines extend in a row direction and intersect each of the plurality of data lines.
In the present embodiment, the number of data lines is 6, D1 to D6, respectively, and the number of scan lines is 2M, G1 to G (2M), respectively, where M is a positive integer, but the number of data lines and scan lines is not limited thereto, and is, for example, a greater number of scan lines and data lines. The data lines D1-D6 may be electrically connected to the source driver for receiving data signals of the source driver. The plurality of data lines include a plurality of odd data lines and a plurality of even data lines arranged in sequence. Similarly, the plurality of scan lines G1-G (2M) may be electrically connected to the gate driver for receiving the scan signals of the gate driver accordingly. The plurality of scanning lines G1-G (2M) include a plurality of odd-numbered scanning lines and a plurality of even-numbered scanning lines arranged in sequence.
As shown in fig. 1 and 2, the plurality of scan lines and the plurality of data lines are interlaced to form a matrix of rows and columns to form a plurality of pixel regions. Each pixel region includes one pixel unit 30. Each pixel unit 30 is disposed between two adjacent data lines and arranged in an array. Each pixel unit comprises two sub-pixels with different colors. In the present embodiment, the sub-pixels in each scanning line direction are sequentially set as a blue sub-pixel, a green sub-pixel, and a red sub-pixel. Of course, in other embodiments, the sub-pixels along each scan line are sequentially arranged to be different from the color type of the present embodiment.
Further, in the present embodiment, the polarities of the driving electrodes of the pixel units in the odd rows along each scanning line are sequentially set to positive electrode (+), negative electrode (-), +, -, +. The polarities of the driving electrodes of the pixel units in the even rows along the direction of each scanning line are sequentially set to-, +, -. The polarity of the driving electrode of each sub-pixel in the same pixel unit is the same.
As shown, for example, the polarities of the driving electrodes of two sub-pixels in the first pixel unit of the first row and the first column are both +. For another example, the polarities of the driving electrodes of two sub-pixels in the second pixel unit of the first row and the second column are both-. For another example, the polarities of the driving electrodes of two sub-pixels in the third pixel unit of the first row and the third column are both +.
For example, the polarities of the driving electrodes of the two sub-pixels in the sixth pixel unit of the second row and the first column are both-. For another example, the polarities of the driving electrodes of two sub-pixels in the seventh pixel unit in the second row and the second column are both +. For another example, the polarities of the driving electrodes of the two sub-pixels in the eighth pixel unit of the second row and the third column are both-, and the driving electrodes of the sub-pixels are arranged in the above order.
Furthermore, two sub-pixels in the same pixel unit are connected with the same data line. As shown in fig. 1, in the present embodiment, among the sub-pixel electrodes of the odd-numbered rows, each sub-pixel electrode is connected to the data line immediately to the left of the sub-pixel electrode. In the sub-pixel electrodes of the even-numbered rows, each sub-pixel electrode is connected to the data line immediately to the right of the sub-pixel electrode. As shown in fig. 2, in the present embodiment, among the sub-pixel electrodes of the odd-numbered rows, each sub-pixel electrode is connected to the data line immediately to the left of the sub-pixel electrode. In the sub-pixel electrodes of the even-numbered rows, each sub-pixel electrode is connected to the data line immediately to the right of the sub-pixel electrode.
Further, as shown in fig. 1, in the structural diagram of the display panel when operating in the odd frame, in the odd rows of the sub-pixel electrodes, every six sub-pixel electrodes are in one group, the first sub-pixel electrode, the third sub-pixel electrode and the sixth sub-pixel electrode in each group are connected to the scan line immediately below the row of sub-pixel electrodes, and the second sub-pixel electrode, the fourth sub-pixel electrode and the fifth sub-pixel electrode in each group are connected to the scan line immediately above the row of sub-pixel electrodes. Similarly, in even rows of sub-pixel electrodes, each six sub-pixel electrodes are in a group, the first sub-pixel electrode, the third sub-pixel electrode and the sixth sub-pixel electrode in each group are connected with the scan line immediately below the row of sub-pixel electrodes, and the second sub-pixel electrode, the fourth sub-pixel electrode and the fifth sub-pixel electrode in each group are connected with the scan line immediately above the row of sub-pixel electrodes.
As shown in fig. 2, in the schematic diagram of the structure of the display panel when operating in the even frame, in the odd rows of the sub-pixel electrodes, every six sub-pixel electrodes are in one group, the first sub-pixel electrode, the third sub-pixel electrode and the sixth sub-pixel electrode in each group are connected to the scan line immediately below the row of sub-pixel electrodes, and the second sub-pixel electrode, the fourth sub-pixel electrode and the fifth sub-pixel electrode in each group are connected to the scan line immediately above the row of sub-pixel electrodes. Similarly, in even rows of sub-pixel electrodes, each six sub-pixel electrodes are in a group, the first sub-pixel electrode, the third sub-pixel electrode and the sixth sub-pixel electrode in each group are connected with the scan line immediately below the row of sub-pixel electrodes, and the second sub-pixel electrode, the fourth sub-pixel electrode and the fifth sub-pixel electrode in each group are connected with the scan line immediately above the row of sub-pixel electrodes.
As shown in fig. 1 and fig. 2, the driving sequences of the scan lines corresponding to two adjacent frames are different. Wherein the driving sequence includes a first driving sequence and a second driving sequence. Illustratively, the first frame picture adopts a first driving order, and the second frame picture adopts a second driving order. The third frame adopts the first driving sequence, and the fourth frame adopts the second driving sequence. And if the fifth frame of picture adopts the first driving sequence, the sixth frame of picture adopts the second driving sequence. And in the same way, the 2N-1 frame of picture adopts the first driving sequence, and the 2N frame of picture adopts the second driving sequence, wherein N is a natural number greater than 0.
Specifically, the first driving sequence includes: providing corresponding scanning signals in sequence according to the sequence from a first scanning line, a second scanning line, a third scanning line, a fourth scanning line, a fifth scanning line, a sixth scanning line to a 2M-1 th scanning line and a 2M 2 nd scanning line, wherein M is a natural number greater than 3, and the first scanning line to the 2M scanning lines are arranged in sequence. In other words, the first driving order is an order that sequentially increases by the scanning lines.
The second driving sequence includes: and providing corresponding scanning signals in sequence according to the sequence from the second scanning line, the first scanning line, the fourth scanning line, the third scanning line, the sixth scanning line, the fifth scanning line to the 2M scanning line and the 2M-1 scanning line. Wherein M is a natural number greater than 3, and the first scanning line and the 2M scanning lines are arranged in sequence. In other words, the second driving order is an order in which the even-numbered scan lines and the odd-numbered scan lines are sequentially alternately increased.
Illustratively, under the same driving sequence, the sub-pixel columns formed by the sub-pixels with the same color and emitting darker light have the same position in the two frames. Under different driving sequences, the sub-pixel columns formed by the sub-pixels with the same color and darker light are distributed in a staggered manner in the two frames of pictures. Further, as described above, the driving polarities are opposite between the adjacent pixel units in each of the scan line directions, and the driving polarities are opposite between the adjacent pixel units in each of the data line directions. And the driving polarities between the two sub-pixels located in the same pixel unit are the same.
In practical application, when the odd frame (i.e. 2N-1 frame) corresponds to, the driving sequence of the scan lines is the first driving sequence, i.e. the corresponding scan signals are sequentially provided according to the sequence from the first scan line, the second scan line, the third scan line, the fourth scan line, the fifth scan line, the sixth scan line to the 2M-1 th scan line and the 2M scan line. When the even frame (i.e. 2N frame) corresponds, the driving sequence of the scan lines is the second driving sequence, that is, the corresponding scan signals are sequentially provided according to the sequence from the second scan line, the first scan line, the fourth scan line, the third scan line, the sixth scan line, the fifth scan line to the 2M scan line and the 2M-1 scan line. It can be seen from fig. 1 that the sub-pixels in the odd-numbered rows have light-loaded pixels, specifically referring to the circled marks 40 in fig. 1. As can be seen from fig. 2, the even-numbered rows of sub-pixels are provided with light-loaded pixels, which have long charging time and thus are darker in brightness relative to other pixels. With particular reference to delineation marks 40 in fig. 2. Therefore, the bright and dark sub-pixels are uniformly dispersed in each row/column.
The driving sequence of the scanning lines corresponding to two adjacent frames of pictures is different, and the bright and dark sub-pixels are uniformly dispersed in each row/each column, so that the problem of bright and dark lines in the prior art is effectively solved, the purpose of uniformizing the displayed pictures is achieved, and the display quality is improved.
Based on the design concept of the present application, the present application is not only applicable to the driving structure shared by the data lines, such as Column +1Flip (single-dot inversion), but also applicable to the driving structure shared by the data lines, such as Column +2Flip (double-dot inversion), 1+2Line (two lines), and 1+4Line (four lines), so as to solve the problem that the bright and dark lines are presented in a macroscopic angle in the prior art, and achieve the uniform display effect of the display picture.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (9)
1. A display panel, comprising:
a plurality of data lines each extending in a column direction;
a plurality of scan lines each extending in a row direction and intersecting each of the data lines;
the pixel units are arranged between two adjacent data lines and are arranged in an array manner, each pixel unit comprises two sub-pixels with different colors, and the two sub-pixels in the same pixel unit are connected with the same data line;
the driving sequence of the scanning lines corresponding to two adjacent frames is different.
2. The display panel according to claim 1, wherein the driving sequence comprises a first driving sequence and a second driving sequence, wherein the 2N-1 frame picture adopts the first driving sequence, and the 2N frame picture adopts the second driving sequence, wherein N is a natural number greater than 0.
3. The display panel of claim 2, wherein the first driving sequence comprises: and sequentially arranging a first scanning line, a second scanning line, a third scanning line, a fourth scanning line, a fifth scanning line, a sixth scanning line and a 2 Mth scanning line according to the sequence from the first scanning line to the second scanning line, wherein M is a natural number greater than 3, and the first scanning line to the 2 Mth scanning line are sequentially arranged.
4. The display panel of claim 2, wherein the second driving sequence comprises: and sequentially arranging a second scanning line, a first scanning line, a fourth scanning line, a third scanning line, a sixth scanning line, a fifth scanning line and a 2M-1 scanning line according to the sequence, wherein M is a natural number more than 3, and the first scanning line and the 2M scanning line are sequentially arranged.
5. The display panel of claim 1, wherein the sub-pixel columns formed by sub-pixels with the same color and emitting darker light have the same position in two frames under the same driving sequence.
6. The display panel of claim 1, wherein the sub-pixel columns formed by the sub-pixels with the same color and emitting light less are distributed in a staggered manner in two frames under different driving sequences.
7. The display panel according to claim 1, wherein the driving polarities of the adjacent pixel units along each of the scanning line directions are opposite.
8. The display panel according to claim 1, wherein the driving polarities of the adjacent pixel units along each of the data lines are opposite.
9. The display panel of claim 1, wherein the driving polarity between two sub-pixels in the same pixel unit is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111248396.8A CN113920919A (en) | 2021-10-26 | 2021-10-26 | Display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111248396.8A CN113920919A (en) | 2021-10-26 | 2021-10-26 | Display panel |
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| CN113920919A true CN113920919A (en) | 2022-01-11 |
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| CN202111248396.8A Pending CN113920919A (en) | 2021-10-26 | 2021-10-26 | Display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092405A (en) * | 2022-12-12 | 2023-05-09 | 北京京东方技术开发有限公司 | Display panel, display driving method, display driving module and display device |
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