Search

CN-121978856-A - Display panel and display device

CN121978856ACN 121978856 ACN121978856 ACN 121978856ACN-121978856-A

Abstract

The application discloses a display panel and a display device. In one sub-pixel area, a plurality of peep-proof gratings are formed at intervals along the first direction in the design of a plurality of first light-transmitting openings and a plurality of second light-transmitting openings along the first direction, the light emergent angles along the first direction and the opposite direction of the first direction of the display panel are narrowed, and the peep-proof effect of the first direction and the opposite direction of the first direction under a large visual angle is realized. On the basis, at least one second side face is offset towards the first direction relative to the corresponding first side face, light emitted from the first light-transmitting opening and the second light-transmitting opening in sequence is offset towards the first direction, so that the maximum brightness of the display panel is located at one side of the front view angle, which is offset towards the first direction, the brightness in the visual angle range of the front view angle, which is offset towards the first direction, is improved, meanwhile, the maximum visual angle along the first direction is larger than the maximum visual angle along the opposite direction of the first direction, and asymmetric peeping prevention of the first direction and the opposite direction of the first direction is realized.

Inventors

  • PAN YINGHUI
  • AI FEI
  • HE RUI

Assignees

  • 武汉华星光电技术有限公司

Dates

Publication Date
20260505
Application Date
20260323

Claims (10)

  1. 1. A display panel having a plurality of sub-pixel regions, comprising: A first substrate; The first light shielding layer is positioned on one side of the first substrate and comprises a first light shielding pattern, and a plurality of first light transmission openings which are embedded in the first light shielding pattern and are spaced along a first direction are arranged in one sub-pixel area; The second shading layer is positioned on one side of the first shading layer, which is away from the first substrate, comprises a second shading pattern, and is provided with a plurality of second light transmission openings which are embedded in the second shading pattern and are spaced along the first direction in one sub-pixel area; the second light shielding pattern comprises a plurality of second side surfaces, one second side surface is adjacent to one second light transmission opening along the first direction, and one second light transmission opening is overlapped with the corresponding first light transmission opening; each second side surface and each corresponding first side surface are respectively positioned on the same side of one overlapped first light-transmitting opening and one overlapped second light-transmitting opening; Wherein at least one of the second sides is offset from the corresponding first side toward the first direction.
  2. 2. The display panel of claim 1, wherein one of the first light-transmissive openings has a first dimension along the first direction and one of the second light-transmissive openings has a second dimension along the first direction, the first dimension being greater than the second dimension.
  3. 3. The display panel according to claim 1 or 2, wherein one of the second light-transmitting openings is offset to the first direction with respect to a corresponding one of the first light-transmitting openings.
  4. 4. The display panel of claim 1, wherein, along the first direction, two of the first sides are adjacent to and opposite to one of the first light-transmitting openings, respectively, and two of the second sides are adjacent to and opposite to one of the second light-transmitting openings; Wherein, for two of the second sides adjacent to and opposite to one of the second light-transmitting openings, one of the second sides is offset with respect to a corresponding one of the first sides toward the first direction, and the other of the second sides is aligned with the corresponding other of the first sides.
  5. 5. The display panel of claim 1, wherein in the first direction, two of the first sides are adjacent to and opposite one of the first light-transmissive openings, and two of the second sides are adjacent to and opposite one of the second light-transmissive openings; wherein, for two second side surfaces located opposite to and adjacent to one of the second light-transmitting openings, one of the second side surfaces is offset toward the first direction with respect to the corresponding one of the first side surfaces, and the other of the second side surfaces is offset toward the first direction with respect to the corresponding other of the first side surfaces.
  6. 6. The display panel of claim 1, wherein the first light shielding layer has a first light shielding surface, the first light shielding surface being a surface of the first light shielding layer adjacent to the first substrate; The second shading layer is provided with a second shading surface, the second shading surface is the surface of the second shading layer far away from the first shading layer, and a third size is arranged between the second shading surface and the first shading surface; The second light-transmitting opening has a second dimension along the first direction, and the ratio of the second dimension to the third dimension is (1.5-8): 1.
  7. 7. The display panel of claim 1, wherein at least one of the second sides is offset from the corresponding first side toward the first direction by a distance greater than or equal to 0.5 microns, and/or, At least one of the second sides is offset from the corresponding first side toward the first direction by a distance of less than or equal to 2 microns.
  8. 8. The display panel of claim 1, further comprising: A second substrate disposed opposite to the first substrate; the first shading layer is located on the first substrate, and the second shading layer is located on the second substrate.
  9. 9. The display panel of claim 8, further comprising: a third light shielding layer, located between the first light shielding layer and the second light shielding layer, comprising a third light shielding pattern, and a plurality of third light transmission openings embedded in the third light shielding pattern and spaced along the first direction are arranged in one sub-pixel region, wherein one third light transmission opening overlaps one first light transmission opening and one second light transmission opening; a liquid crystal layer located between the third light shielding layer and the first light shielding layer; and a pixel electrode layer positioned between the liquid crystal layer and the first shading layer.
  10. 10. A display device, characterized in that the display device comprises the display panel according to any one of claims 1 to 9.

Description

Display panel and display device Technical Field The present application relates to the field of display technologies, and in particular, to a display panel and a display device. Background With the development of information display technology, in the wide use of smartphones, computers, and the like, consumers often have risks of disclosure of personal privacy, business confidentiality, and the like. At present, a peep-proof film with an ultra-fine shutter structure is generally adopted to realize peep-proof at a large visual angle. However, the peep-proof film can only realize symmetric peep-proof, and is difficult to meet the asymmetric peep-proof requirement in specific application scenes such as vehicle-mounted application scenes. Disclosure of Invention The embodiment of the application provides a display panel and a display device, which aim to at least partially solve the technical problems. In order to achieve the above object, according to a first aspect of the present application, there is provided a display panel having a plurality of sub-pixel regions, the display panel including a first substrate, a first light shielding layer, and a second light shielding layer. The first shading layer is positioned on one side of the first substrate and comprises a first shading pattern, a plurality of first light transmission openings which are embedded in the first shading pattern and are spaced along a first direction are formed in one sub-pixel area, the first shading pattern comprises a plurality of first side faces, and one first side face is adjacent to one first light transmission opening along the first direction. The second light shielding layer is located on one side, away from the first substrate, of the first light shielding layer and comprises a second light shielding pattern, a plurality of second light transmission openings are formed in one sub-pixel area, the second light transmission openings are embedded in the second light shielding pattern and are spaced in the first direction, the second light shielding pattern comprises a plurality of second side faces, one second side face is adjacent to one second light transmission opening in the first direction, one second light transmission opening is overlapped with the corresponding first light transmission opening, and each second side face and each corresponding first side face are located on the same side of the overlapped first light transmission opening and second light transmission opening. Wherein at least one of the second sides is offset from the corresponding first side toward the first direction. In the display panel provided by the embodiment of the application, in one sub-pixel area, a plurality of peep-proof gratings are formed at intervals along the first direction in the design of a plurality of first light-transmitting openings and a plurality of second light-transmitting openings along the first direction, and the light emergent angles along the first direction and the opposite direction of the first direction of the display panel are narrowed, so that the peep-proof effect of the first direction and the opposite direction of the first direction under a large visual angle is realized. On the basis, at least one second side face is offset towards the first direction relative to the corresponding first side face, so that light emitted from the first light-transmitting opening and the second light-transmitting opening which are overlapped in sequence is offset towards the first direction, the maximum brightness of the display panel is located on the side, deviating from the first direction, of the front view angle of the display panel, the brightness in a visible angle range, deviating from the first direction, of the display panel is improved, meanwhile, the maximum visible angle along the first direction is larger than the maximum visible angle along the opposite direction of the first direction, and asymmetric peeping prevention of the first direction and the opposite direction of the first direction is achieved. Drawings Fig. 1 is a schematic plan view of a display device according to an exemplary embodiment of the present application; FIG. 2 is a cross-sectional view taken along line A-A' of the display device of FIG. 1, provided in an exemplary embodiment of the present application; Fig. 3 is a schematic plan view of a first light shielding layer and a second light shielding layer in the display device shown in fig. 2 according to an exemplary embodiment of the present application; FIG. 4 is another cross-sectional view taken along line A-A' of the display device of FIG. 1 provided in an exemplary embodiment of the present application; Fig. 5 is a schematic plan view of a first light shielding layer and a second light shielding layer in the display device shown in fig. 4 according to an exemplary embodiment of the present application; fig. 6 is a schematic plan view illustrating a case where a first light shielding layer an