US-20260126649-A1 - DISPLAY SYSTEM AND DISPLAY DEVICE

Abstract

A display system and a display device are disclosed in embodiments of the present application. The display system includes a display panel and a reflective assembly configured to receive an image source, project the image source to an eye, and form a virtual image. Data lines and scan lines in an array substrate of the display panel intersect to form opening areas, and sub-pixel openings are provided in a black matrix layer of a counter substrate of the display panel. In a top view of the display panel, a center of each of the opening areas is offset relative to a center of a corresponding one of the sub-pixel openings.

Inventors

• Yinghui Pan
• Guiyang ZHANG
• Rui He
• Fei AI

Assignees

• WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Dates

Publication Date

20260507

Application Date

20250326

Priority Date

20241104

Claims (20)

1. 1 . A display system, comprising: a display panel configured to output an image source; and a reflective assembly configured to receive the image source, project the image source to an eye, and form a virtual image; wherein the display panel comprises an array substrate and a counter substrate that are disposed opposite to each other, the array substrate comprises data lines and scan lines intersecting to form a plurality of opening areas, the counter substrate comprises a black matrix layer provided with a plurality of sub-pixel openings, and in a thickness direction of the display panel, the sub-pixel openings and the opening areas are in one-to-one correspondence to form light-exit channels; in a top view of each of the light-exit channels of the display panel, a center of each of the opening areas is offset relative to a center of a corresponding one of the sub-pixel openings.
2. 2 . The display system according to claim 1 , wherein in the top view of each of the light-exit channels of the display panel, a ratio of a distance between the center of each of the opening areas and the center of the corresponding one of the sub-pixel openings to a width of the corresponding one of the sub-pixel openings in a first direction ranges from 1.4% to 5.6%.
3. 3 . The display system according to claim 2 , wherein in the thickness direction of the display panel, a portion of the data lines or a portion of the scan lines is located in the corresponding one of the sub-pixel openings, and the black matrix layer shields a portion of a corresponding one of the opening areas.
4. 4 . The display system according to claim 3 , wherein the black matrix layer comprises a plurality of first light-shielding portions extending along the first direction and a plurality of second light-shielding portions extending along a second direction, the first direction is parallel to an extension direction of the scan lines, the second direction is parallel to an extension direction of the data lines, and the plurality of first light-shielding portions and the plurality of second light-shielding portions intersect to form the plurality of sub-pixel openings; and the plurality of first light-shielding portions completely cover the scan lines, and in the first direction, at least one of the plurality of second light-shielding portions covers a portion of a corresponding one of the data lines, and the corresponding one of the sub-pixel openings exposes another portion of the corresponding one of the data lines.
5. 5 . The display system according to claim 3 , wherein the black matrix layer comprises a plurality of first light-shielding portions extending along the first direction and a plurality of second light-shielding portions extending along a second direction, the first direction is parallel to an extension direction of the scan lines, the second direction is parallel to an extension direction of the data lines, and the plurality of first light-shielding portions and the plurality of second light-shielding portions intersect to form the plurality of sub-pixel openings; and in the second direction, at least one of the plurality of first light-shielding portions covers a portion of a corresponding one of the scan lines, the corresponding one of the sub-pixel openings exposes another portion of the corresponding one of the scan lines, and the plurality of second light-shielding portions completely cover the data lines.
6. 6 . The display system according to claim 4 , wherein the array substrate further comprises pixel electrodes, each of the pixel electrodes is disposed in the corresponding one of the opening areas, and in a top view of the display panel, the black matrix layer covers a portion of the pixel electrodes in the first direction or the second direction.
7. 7 . The display system according to claim 5 , wherein the array substrate further comprises pixel electrodes, each of the pixel electrodes is disposed in the corresponding one of the opening areas, and in a top view of the display panel, the black matrix layer covers a portion of the pixel electrodes in the first direction or the second direction.
8. 8 . The display system according to claim 1 , wherein the display system further comprises a backlight module, the display panel is located on a light-exit side of the backlight module, and a plane in which the backlight module is located is parallel to a plane in which the display panel is located.
9. 9 . The display system according to claim 1 , wherein the display system further comprises a backlight module, the display panel is located on a light-exit side of the backlight module, and a plane where the backlight module is located intersects a plane where the display panel is located.
10. 10 . The display system according to claim 9 , wherein an angle between the plane in which the backlight module is located and the plane in which the display panel is located ranges from 10 degrees to 40 degrees.
11. 11 . The display system according to claim 1 , wherein the reflective assembly comprises a first reflector, a second reflector, and a transreflective component, the first reflector is configured to reflect the image source to the second reflector, the second reflector is configured to receive the image source reflected by the first reflector and project the image source onto the transreflective component, and the transreflective component is configured to reflect the image source to the eye to form the virtual image; and the display system has a main optical axis, in a side view of the display system, a virtual line connecting a center of the transreflective component and a center of the virtual image is collinear with the main optical axis, and a plane in which the display panel is located is parallel to the main optical axis.
12. 12 . The display system according to claim 11 , wherein reflective surfaces of the first reflector and the second reflector are curved surfaces, and the transreflective component comprises a front windshield component of a vehicle.
13. 13 . A display device, comprising a display system comprising: a display panel configured to output an image source; and a reflective assembly configured to receive the image source, project the image source to an eye, and form a virtual image; wherein the display panel comprises an array substrate and a counter substrate that are disposed opposite to each other, the array substrate comprises data lines and scan lines intersecting to form a plurality of opening areas, the counter substrate comprises a black matrix layer provided with a plurality of sub-pixel openings, and in a thickness direction of the display panel, the sub-pixel openings and the opening areas are in one-to-one correspondence to form light-exit channels; in a top view of each of the light-exit channels of the display panel, a center of each of the opening areas is offset relative to a center of a corresponding one of the sub-pixel openings.
14. 14 . The display device according to claim 13 , wherein in the top view of each of the light-exit channels of the display panel, a ratio of a distance between the center of each of the opening areas and the center of the corresponding one of the sub-pixel openings to a width of the corresponding one of the sub-pixel openings in a first direction ranges from 1.4% to 5.6%.
15. 15 . The display device according to claim 14 , wherein in the thickness direction of the display panel, a portion of the data lines or a portion of the scan lines is located in the corresponding one of the sub-pixel openings, and the black matrix layer shields a portion of a corresponding one of the opening areas.
16. 16 . The display device according to claim 15 , wherein the black matrix layer comprises a plurality of first light-shielding portions extending along the first direction and a plurality of second light-shielding portions extending along a second direction, the first direction is parallel to an extension direction of the scan lines, the second direction is parallel to an extension direction of the data lines, and the plurality of first light-shielding portions and the plurality of second light-shielding portions intersect to form the plurality of sub-pixel openings; and the plurality of first light-shielding portions completely cover the scan lines, and in the first direction, at least one of the plurality of second light-shielding portions covers a portion of a corresponding one of the data lines, and the corresponding one of the sub-pixel openings exposes another portion of the corresponding one of the data lines.
17. 17 . The display device according to claim 15 , wherein the black matrix layer comprises a plurality of first light-shielding portions extending along the first direction and a plurality of second light-shielding portions extending along a second direction, the first direction is parallel to an extension direction of the scan lines, the second direction is parallel to an extension direction of the data lines, and the plurality of first light-shielding portions and the plurality of second light-shielding portions intersect to form the plurality of sub-pixel openings; and in the second direction, at least one of the first light-shielding portions covers a portion of a corresponding one of the scan lines, the corresponding one of the sub-pixel openings exposes another portion of the corresponding one of the scan lines, and the plurality of second light-shielding portions completely cover the data lines.
18. 18 . The display device according to claim 16 , wherein the array substrate further comprises pixel electrodes, each of the pixel electrodes is disposed in the corresponding one of the opening areas, and in a top view of the display panel, the black matrix layer covers a portion of the pixel electrodes in the first direction or the second direction.
19. 19 . The display device according to claim 13 , wherein the display system further comprises a backlight module, the display panel is located on a light-exit side of the backlight module, and a plane where the backlight module is located is parallel to a plane where the display panel is located.
20. 20 . The display device according to claim 13 , wherein the display system further comprises a backlight module, the display panel is located on a light-exit side of the backlight module, and a plane where the backlight module is located intersects a plane where the display panel is located.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application of International Application No. PCT/CN2024/132394, filed on Nov. 15, 2024, which claims priority to Chinese patent application No. 202411564448.6, filed on Dec. 4, 2024, and the disclosures of which are incorporated herein by reference in their entireties. TECHNICAL FIELD The present application relates to the field of display technologies, and in particular to a display system and a display device. BACKGROUND Head-up display technologies focus on generating clear images to avoid distracting the drivers. The imaging quality is related to a chief ray angle (CRA) of an optical machine and a light pattern of a display screen. In a conventional display screen in an optical machine system, the centers of openings of an array substrate and the centers of openings of a black matrix of a color filter substrate are overlapped in the thickness direction of the display screen. In this architecture, the display screen has the maximum luminance at the normal viewing angle and lower luminance at large viewing angles. Therefore, in order to adjust the imaging quality, the display screen needs to be tilted to match the CRA of the optical machine. SUMMARY In an aspect, embodiments of the present application provide a display system, and the display system includes: a display panel configured to output an image source; anda reflective assembly configured to receive the image source, project the image source to an eye, and form a virtual image. The display panel includes an array substrate and a counter substrate that are disposed opposite to each other, the array substrate includes data lines and scan lines intersecting to form a plurality of opening areas, the counter substrate includes a black matrix layer provided with a plurality of sub-pixel openings, and in a thickness direction of the display panel, the sub-pixel openings and the opening areas are in one-to-one correspondence to form light-exit channels. In a top view of each of the light-exit channels of the display panel, a center of each of the opening areas is offset relative to a center of a corresponding one of the sub-pixel openings. In another aspect, embodiments of the present application provide a display device including the display system described in the embodiments above. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a structure of a display system provided in embodiments of the present application; FIG. 2 is a schematic diagram of a structure of a display panel of a display system in which a counter substrate is offset relative to an array substrate provided in embodiments of the present application; FIG. 3 is another schematic diagram of a structure of a display panel of a display system in which a counter substrate is offset relative to an array substrate provided in embodiments of the present application; FIG. 4A illustrates a light pattern of a display panel in the existing technologies; FIG. 4B is a luminance attenuation curve corresponding to the display panel in FIG. 4A; FIG. 5 illustrates light patterns of display panels of display systems in which counter substrates shift right relative to respective array substrates provided in embodiments of the present application; FIG. 6 is a luminance attenuation curve corresponding to a display panel in which the counter substrate shifts right by 0.5 micrometers relative to a corresponding array substrate in FIG. 5; FIG. 7 is a schematic diagram of a structure of an array substrate of a display panel of a display system provided in embodiments of the present application; FIG. 8 is a schematic diagram of another structure of a display system provided in embodiments of the present application; and FIG. 9 is a schematic diagram of a structure of a display device provided in embodiments of the present application. DETAILED DESCRIPTION Technical proposals of embodiments of the present application will be described clearly and comprehensively below in conjunction with the accompanying drawings in the embodiments of the present application. It is obvious that the embodiments described are merely a part of embodiments of the present application, rather than all of them. All other embodiments that a person skilled in the art can obtain without creative effort based on the embodiments of the present application shall fall within the scope of protection of the present application. In addition, it will be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present application and do not intended to limit the present application. In the present application, the embodiments can be combined with each other without further elaboration. Unless otherwise stated, directional terms such as “up” and “down” generally refer to the actual use or working state of the device, specifically corresponding to the orientation in the accompanying drawings; “inside”