FLEXIBLE ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY

• US 20190324312A1
• Filed: 12/11/2018
• Published: 10/24/2019
• Est. Priority Date: 04/24/2018
• Status: Active Grant

• Current Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
• Original Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
• Inventors: Cao, Wu
• Granted Patent: US 10,802,309 B2
• Time in Patent Office: Days
• CPC Class Codes: G02F 1/133305 Flexible substrates, e.g. plastics, organic film
• CPC Class Codes: G02F 1/133512 Light shielding layers, e.g. black matrix G02F1/136209 takes precedence
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/13394 spacers regularly patterned on the cell subtrate, e.g. walls, pillars G02F1/133377 takes precedence
• CPC Class Codes: G02F 1/13398 Spacer materials; Spacer properties
• CPC Class Codes: G02F 1/136286 Wiring, e.g. gate line, drain line
• CPC Class Codes: H10K 2102/311 Flexible OLED
• CPC Class Codes: H10K 59/122 Pixel-defining structures or layers, e.g. banks
• CPC Class Codes: H10K 59/131 Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 77/111 Flexible substrates
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

The flexible liquid crystal display panel include an upper substrate, a lower substrate and a liquid crystal layer; a plurality of sub-pixel regions are disposed on the lower substrate, and a retaining wall may be disposed around the sub-pixel region, and the retaining wall may define notches to allow the plurality of sub-pixel regions to be located the liquid crystals circulate when the flexible liquid crystal display panels are bent. In the above manner, the present application can ensure the uniformity of diffusion of the alignment liquid and the liquid crystal in the alignment liquid coating and liquid crystal filling processes.

Claims

1. A flexible array substrate, comprising:

a base substrate; and

a TFT structure, a protective layer, and a pixel electrode layer, which are sequentially disposed on the base substrate;

wherein the TFT structure comprises at least one thin film transistor, scan lines and data lines, which are electrically connected to the corresponding thin film transistors;

wherein a plurality of the scan lines and the data lines are disposed to intersect to form a plurality of sub-pixel regions, and a plurality of retaining walls are disposed around the sub-pixel regions, which are disposed along at least one of the scan lines and the data lines, each of the retaining walls define a plurality of notches so that the plurality of sub-pixel regions are connected with each other;

wherein each of the retaining walls comprises a main retaining wall and a secondary retaining wall, the main retaining wall is configured to contact the opposite side of the flexible array substrate during celling process, and the secondary retaining wall defines a gap at the opposite side of the flexible array substrate;

the gap is defined in the main retaining wall and served as the notches.

2. The flexible array substrate according to claim 1, wherein the retaining wall comprises at least one first retaining wall and at least one second retaining wall, each first retaining wall is disposed along the data lines, and each second retaining wall is disposed along the scan lines;

one of the first retaining walls and the second retaining walls defines notches corresponding to each of the sub-pixel regions, and the other one defines at least one notch.

3. The flexible array substrate according to claim 2, wherein each notch is defined in an intersection of the first retaining wall and the second retaining wall.

4. A flexible liquid crystal display panel, comprising an upper substrate, a lower substrate disposed opposite the upper substrate, and a liquid crystal layer disposed between the upper substrate and the lower substrate;

wherein a plurality of sub-pixel regions are disposed on the lower substrate, and a plurality of retaining walls are disposed around the sub-pixel regions;

each retaining wall defines at least one notch, so that liquid crystal molecules in the liquid crystal layer has fluidity between the plurality of sub-pixel regions.

5. The flexible liquid crystal display panel according to claim 4, wherein the lower substrate comprises a plurality of scan lines and a plurality of data lines, and the plurality of scan lines and data lines are arranged to intersect to form a plurality of the sub-pixel area;

each retaining wall is disposed along at least one of the scan lines and the data lines and defines at least one of the notches.

6. The flexible liquid crystal display panel according to claim 5, wherein each retaining wall defines a corresponding notch in each of the sub-pixel regions.

7. The flexible liquid crystal display panel according to claim 6, wherein the notch positions of adjacent retaining walls corresponding to the same sub-pixel regions are the same.

8. The flexible liquid crystal display panel according to claim 6, wherein the notches are disposed offset from adjacent ones of the retaining walls corresponding to the same sub-pixel regions.

9. The flexible liquid crystal display panel of claim 8, wherein the lower substrate comprises a plurality of scan lines and a plurality of data lines;

the plurality of scan lines and the data lines are arranged to intersect to form a plurality of the sub-pixel area;

wherein each retaining wall comprises at least one first retaining wall and at least one second retaining wall, each first retaining wall is disposed along the data lines, and each second retaining wall is disposed along the scan lines;

one of the first retaining walls and the second retaining walls define notches corresponding to each of the sub-pixel regions, and the other one is provided with at least one notch.

10. The flexible liquid crystal display panel according to claim 9, wherein the notches are provided at an intersection of the first retaining walls and the second retaining walls.

11. The flexible liquid crystal display panel according to claim 4, wherein each retaining wall comprises a main retaining wall and a secondary retaining wall, the main retaining wall is in contact with both the upper substrate and the lower substrate, and the secondary retaining wall is in contact with one of the upper substrate and the lower substrate.

12. The flexible liquid crystal display panel according to claim 11, wherein the secondary retaining wall is provided at the position where the notches located.

13. A flexible liquid crystal display, comprising a flexible liquid crystal display panel;

the flexible liquid crystal display panel comprises an upper substrate, a lower substrate disposed opposite the upper substrate, and a liquid crystal layer disposed between the upper substrate and the lower substrate;

a plurality of sub-pixel regions are disposed on the lower substrate, and a plurality of retaining walls are disposed around the sub-pixel region, and each retaining wall defines at least one notch so as to have fluidity between the plurality of sub-pixel regions.

14. The flexible liquid crystal display panel according to claim 13, wherein the lower substrate comprises a plurality of scan lines and a plurality of data lines, and the plurality of scan lines and data lines are arranged to intersect to form a plurality of the sub-pixel area;

each retaining wall is disposed along at least one of the scan lines and the data lines and defines at least one of the notches.

15. The flexible liquid crystal display panel according to claim 14, wherein each retaining wall defines a corresponding notch in each of the sub-pixel regions.

16. The flexible liquid crystal display panel of claim 13, wherein the lower substrate comprises a plurality of scan lines and a plurality of data lines;

the plurality of scan lines and the data lines are arranged to intersect to form a plurality of the sub-pixel area;

wherein the retaining wall comprises at least one first retaining wall and at least one second retaining wall, each first retaining wall is disposed along the data lines, and each second retaining wall is disposed along the scan lines;

one of the first retaining walls and the second retaining walls define notches corresponding to each of the sub-pixel regions, and the other one is provided with at least one notch.

17. The flexible liquid crystal display panel according to claim 16, wherein the notches are provided at an intersection of the first retaining wall and the second retaining wall.

18. The flexible liquid crystal display panel according to claim 13, wherein each retaining wall comprises a main retaining wall and a secondary retaining wall, the main retaining wall is in contact with both the upper substrate and the lower substrate, and the secondary retaining wall is in contact with one of the upper substrate and the lower substrate.

19. The flexible liquid crystal display panel according to claim 18, wherein the secondary retaining wall is provided at the position where the notches located.