IP Library › Granted Patent US 12,165,606
Granted Patent B2
US 12,165,606 · App. 17/756,640 · Granted Dec 10, 2024

Display panel and display device

Inventors: Chunxiao Hu (Guangdong, CN); Yoonsung Um (Guangdong, CN); Xiaojin He (Guangdong, CN)
Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
G09G3/3614G02F1/136286H01L27/124G09G2300/0452G09G2320/028
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Quick Facts
Patent No.
US 12,165,606
App. No.
17/756,640
Granted
Dec 10, 2024
Kind
B2
Abstract

A display panel and a display device are provided in embodiments of the present application, the display panel includes: a plurality of sub-pixels, each of the sub-pixels includes a main area and a sub-area; a plurality of data lines connected to sub-pixels with a same polarity in adjacent pixel groups; a plurality of gate lines, each of which is connected to a part of sub-pixels in adjacent rows of sub-pixels; and a plurality of shared discharge bars, at least one shared discharge bar is disposed in the pixel group, and the shared discharge bars are connected to the sub-areas of the sub-pixels. Viewing angles of the display device can be improved.

Claims (66)

1. A display panel, wherein comprising:

a plurality of sub-pixels disposed in an array, each of the sub-pixels comprising a main area and a sub-area, a pixel group comprising two adjacent columns of the sub-pixels;

a plurality of data lines, the data lines being disposed between two adjacent pixel groups, each of the data lines being connected to the sub-pixels with a same polarity in the adjacent pixel groups; wherein the pixel groups comprise two adjacent columns of the sub-pixels, the polarity comprises a first polarity and a second polarity; a voltage of the first polarity is greater than a reference voltage, and a voltage of the second polarity is less than the reference voltage;

a plurality of gate lines, the gate lines being disposed between two adjacent rows of the sub-pixels, and each of the gate lines being connected to a part of the sub-pixels in the two adjacent rows of the sub-pixels; and

a plurality of shared discharge bars, at least one of the shared discharge bars being disposed in the pixel group, each of the shared discharge bars having a first voltage or a second voltage, the first voltage being less than the second voltage; the shared discharge bar with the first voltage being connected to the sub-pixels with the first polarity, the shared discharge bar with the second voltage being connected to the sub-pixels with the second polarity, and the shared discharge bars being connected to the sub-areas of the sub-pixels;

wherein each of the shared discharge bars is disposed between two columns of the sub-pixels in one of the pixel group;

wherein polarities of two columns of the sub-pixels in each of the pixel groups are the first polarity, a first shared discharge bar with the second polarity is disposed between the two columns of the sub-pixels in the each of the pixel groups, and the first shared discharge bar is connected to all of the sub-pixels in the pixel group where it is located.

2. The display panel as claimed in claim 1 , wherein both sides of the each of the pixel groups are respectively disposed with:

a first data line with the first polarity, the first data line connected to all of the sub-pixels with the first polarity in the pixel group;

a second data line with the second polarity, the second data line connected to all of the sub-pixels with the second polarity in a pixel group adjacent to the above-mentioned pixel group.

3. The display panel as claimed in claim 1 , wherein polarities of adjacent rows of the sub-pixels in each column of the sub-pixels in the each of the pixel groups are opposite, polarities of adjacent columns of the sub-pixels in each row of the sub-pixels in the each of the pixel groups are same; and two of the shared discharge bars are disposed between the two columns of the sub-pixels in the each of the pixel groups.

4. The display panel as claimed in claim 3 , wherein the two of the shared discharge bars comprise:

a second shared discharge bar with the second polarity, the second shared discharge bar connected to the sub-pixels with the first polarity in the pixel group where it is located;

a third shared discharge bar with the first polarity being adjacent to the second shared discharge bar, and the third shared discharge bar connected to the sub-pixels with the second polarity in the pixel group where it is located.

5. The display panel as claimed in claim 4 , wherein both sides of the each of the pixel groups are respectively disposed with:

a third data line with the first polarity, the third data line connected to the sub-pixels with the first polarity in the pixel group;

a fourth data line with the second polarity, the fourth data line connected to the sub-pixels with the second polarity in the pixel group.

6. The display panel as claimed in claim 4 , wherein the second shared discharge bar is connected to the sub-pixels with the first polarity by bypassing the third shared discharge bar;

the third shared discharge bar is connected to the sub-pixels with the second polarity by bypassing the second shared discharge bar.

7. The display panel as claimed in claim 1 , wherein between every two adjacent rows of the sub-pixels are disposed with:

a first gate line connecting one sub-pixel in each of the pixel groups in a row of the sub-pixels;

a second gate line being adjacent to the first gate line, and the second gate line connected to another sub-pixel in each of the pixel groups in an adjacent row of the sub-pixels.

8. The display panel as claimed in claim 1 , wherein the display panel further comprises a plurality of common electrodes, and the plurality of common electrodes correspondingly surround the plurality of sub-pixels, respectively.

9. The display panel as claimed in claim 1 , wherein a non-aperture area is disposed between the two adjacent columns of the sub-pixels, and the shared discharge bars are disposed in the non-aperture area.

10. A display device, wherein comprising:

a display panel, comprising:

a plurality of sub-pixels disposed in an array, each of the sub-pixels comprising a main area and a sub-area;

a plurality of data lines, the data lines being disposed between two adjacent pixel groups, each of the data lines being connected to the sub-pixels with a same polarity in the adjacent pixel groups; wherein the pixel groups comprise two adjacent columns of the sub-pixels, the polarity comprises a first polarity and a second polarity; a voltage of the first polarity is greater than a reference voltage, and a voltage of the second polarity is less than the reference voltage;

a plurality of gate lines, the gate lines being disposed between two adjacent rows of the sub-pixels, and each of the gate lines being connected to a part of the sub-pixels in the two adjacent rows of the sub-pixels; and

a plurality of shared discharge bars, at least one of the shared discharge bars being disposed in the pixel group, each of the shared discharge bars having a first voltage or a second voltage, the first voltage being less than the second voltage; the shared discharge bar with the first voltage being connected to the sub-pixels with the first polarity, the shared discharge bar with the second voltage being connected to the sub-pixels with the second polarity, and the shared discharge bars being connected to the sub-areas of the sub-pixels, wherein each of the shared discharge bars is disposed between two columns of the sub-pixels in one of the pixel groups; and

a backlight module, disposed on one side of the display panel;

wherein polarities of two columns of the sub-pixels in each of the pixel groups are the first polarity, a first shared discharge bar with the second polarity is disposed between the two columns of the sub-pixels in the each of the pixel groups, and the first shared discharge bar is connected to all of the sub-pixels in the pixel group where it is located.

11. The display device as claimed in claim 10 , wherein both sides of the each of the pixel groups are respectively disposed with:

a first data line with the first polarity, the first data line connected to all of the sub-pixels with the first polarity in the pixel group;

a second data line with the second polarity, the second data line connected to all of the sub-pixels with the second polarity in a pixel group adjacent to the above-mentioned pixel group.

12. The display device as claimed in claim 10 , wherein polarities of adjacent rows of the sub-pixels in each column of the sub-pixels in the each of the pixel groups are opposite, polarities of adjacent columns of the sub-pixels in each row of the sub-pixels in the each of the pixel groups are same; and two of the shared discharge bars are disposed between the two columns of the sub-pixels in the each of the pixel groups.

13. The display device as claimed in claim 12 , wherein the two of the shared discharge bars comprise:

a second shared discharge bar with the second polarity, the second shared discharge bar connected to the sub-pixels with the first polarity in the pixel group where it is located;

a third shared discharge bar with the first polarity being adjacent to the second shared discharge bar, and the third shared discharge bar connected to the sub-pixels with the second polarity in the pixel group where it is located.

14. The display device as claimed in claim 13 , wherein both sides of the each of the pixel groups are respectively disposed with:

a third data line with the first polarity, the third data line connected to the sub-pixels with the first polarity in the pixel group;

a fourth data line with the second polarity, the fourth data line connected to the sub-pixels with the second polarity in the pixel group.

15. The display device as claimed in claim 13 , wherein the second shared discharge bar is connected to the sub-pixels with the first polarity by bypassing the third shared discharge bar;

the third shared discharge bar is connected to the sub-pixels with the second polarity by bypassing the second shared discharge bar.

16. The display device as claimed in claim 10 , wherein between every two adjacent rows of the sub-pixels are disposed with:

a first gate line connecting one sub-pixel in each of the pixel groups in a row of the sub-pixels;

a second gate line being adjacent to the first gate line, and the second gate line connected to another sub-pixel in each of the pixel groups in an adjacent row of the sub-pixels.

17. A display device, wherein comprising:

a display panel, comprising:

a plurality of sub-pixels disposed in an array, each of the sub-pixels comprising a main area and a sub-area;

a plurality of data lines, the data lines being disposed between two adjacent pixel groups, each of the data lines being connected to the sub-pixels with a same polarity in the adjacent pixel groups; wherein the pixel groups comprise two adjacent columns of the sub-pixels, the polarity comprises a first polarity and a second polarity; a voltage of the first polarity is greater than a reference voltage, and a voltage of the second polarity is less than the reference voltage;

a plurality of gate lines, the gate lines being disposed between two adjacent rows of the sub-pixels, and each of the gate lines being connected to a part of the sub-pixels in the two adjacent rows of the sub-pixels; and

a plurality of shared discharge bars, at least one of the shared discharge bars being disposed in the pixel group, each of the shared discharge bars having a first voltage or a second voltage, the first voltage being less than the second voltage; the shared discharge bar with the first voltage being connected to the sub-pixels with the first polarity, the shared discharge bar with the second voltage being connected to the sub-pixels with the second polarity, and the shared discharge bars being connected to the sub-areas of the sub-pixels, wherein each of the shared discharge bars is disposed between two columns of the sub-pixels in one of the pixel groups; and

a backlight module, disposed on one side of the display panel;

wherein polarities of adjacent rows of the sub-pixels in each column of the sub-pixels in the each of the pixel groups are opposite, polarities of adjacent columns of the sub-pixels in each row of the sub-pixels in the each of the pixel groups are same; and two of the shared discharge bars are disposed between the two columns of the sub-pixels in the each of the pixel groups;

wherein the two of the shared discharge bars comprise:

a second shared discharge bar with the second polarity, the second shared discharge bar connected to the sub-pixels with the first polarity in the pixel group where it is located;

a third shared discharge bar with the first polarity being adjacent to the second shared discharge bar, and the third shared discharge bar connected to the sub-pixels with the second polarity in the pixel group where it is located.

18. The display device as claimed in claim 17 , wherein polarities of two columns of the sub-pixels in each of the pixel groups are the first polarity;

a first shared discharge bar with the second polarity is disposed between the two columns of the sub-pixels in the each of the pixel groups, the first shared discharge bar is connected to all of the sub-pixels in the pixel group where it is located.

19. The display device as claimed in claim 17 , wherein both sides of the each of the pixel groups are respectively disposed with:

a first data line with the first polarity, the first data line connected to all of the sub-pixels with the first polarity in the pixel group;

a second data line with the second polarity, the second data line connected to all of the sub-pixels with the second polarity in a pixel group adjacent to the above-mentioned pixel group.

20. The display device as claimed in claim 17 , wherein between every two adjacent rows of the sub-pixels are disposed with:

a first gate line connecting one sub-pixel in each of the pixel groups in a row of the sub-pixels;

a second gate line being adjacent to the first gate line, and the second gate line connected to another sub-pixel in each of the pixel groups in an adjacent row of the sub-pixels.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 29, 2022
From: HU, CHUNXIAO; UM, YOONSUNG; HE, XIAOJIN
To: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 060045/0374 →
Priority Claims (1)
CN 202210305511.9 · Mar 25, 2022 · national
Continuity (1)
Related Publication 20240161710A1 · May 16, 2024