Display module, display device

Patent metadata

Field	Value
Publication number	US-2025143155-A1
Application number	US-202218683224-A
Country	US
Kind code	A1
Filing date	Oct 13, 2022
Priority date	Oct 13, 2022
Publication date	May 1, 2025
Grant date	—

Abstract

The present disclosure provides a display module and a display device. The display module includes: an array substrate including a base substrate; a first cover plate on a light-emitting side of the array substrate; a second cover plate on a side of the first cover plate away from the array substrate; and a first light-shielding layer on a side of the first cover plate close to the array substrate. An orthographic projection of the first light-shielding layer on the base substrate falls within an orthographic projection of the first cover plate on the base substrate, and the first light-shielding layer is arranged around an edge of the first cover plate.

First claim

1 . A display module comprising:
an array substrate comprising a base substrate; a first cover plate on a light-emitting side of the array substrate; a second cover plate on a side of the first cover plate away from the array substrate; and a first light-shielding layer on a side of the first cover plate close to the array substrate, wherein an orthographic projection of the first light-shielding layer on the base substrate falls within an orthographic projection of the first cover plate on the base substrate, and the first light-shielding layer is arranged around an edge of the first cover plate.

2 . The display module according to claim 1 , wherein the first light-shielding layer is annular in shape and is arranged around four edges of the first cover plate, the array substrate comprises a display region, and an orthographic projection of the display region on the base substrate does not overlap with the orthographic projection of the first light-shielding layer on the base substrate.

3 . The display module according to claim 1 , wherein the array substrate further comprises a second light-shielding layer and a display region, the second light-shielding layer is arranged at least around a boundary of a display region, and an orthographic projection of the second light-shielding layer on the base substrate falls within an orthographic projection of the display region on the base substrate.

4 . The display module according to claim 3 , wherein a thickness of the first light-shielding layer is greater than a thickness of the second light-shielding layer.

5 . The display module according to claim 3 , wherein the first light-shielding layer and the second light-shielding layer are selected from one of: an ink, a black conductive glue, a black resin, a stacked structure comprising at least two color filter layers of different colors.

6 . The display module according to claim 1 , wherein the first light-shielding layer is arranged around four edges of the first cover plate, the array substrate comprises a display region, and an orthographic projection of the display region on the base substrate partially overlaps with the orthographic projection of the first light-shielding layer on the base substrate.

7 . The display module according to claim 6 , wherein the first light-shielding layer comprises a first portion and a second portion, an orthographic projection of the first portion on the base substrate falls within the orthographic projection of the display region on the base substrate, an orthographic projection of the second portion on the base substrate does not overlap with the orthographic projection of the display region on the base substrate, and a thickness of the first portion is smaller than a thickness of the second portion.

8 . The display module according to claim 1 , further comprising an adhesive and a fixture, wherein,
the second cover plate comprises a first surface facing the first cover plate, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface, the adhesive is disposed on the side surface of the second cover plate, and the second cover plate is adhered to the fixture via the adhesive, and a part of a surface of the first cover plate away from the array substrate is in contact with the adhesive, and the first cover plate is adhered to the second cover plate via the adhesive.

9 . The display module according to claim 8 , wherein an orthographic projection of the adhesive on the base substrate falls within the orthographic projection of the first light-shielding layer on the base substrate.

10 . The display module according to claim 8 , wherein an orthographic projection of the adhesive on the base substrate falls within an orthographic projection of the fixture on the base substrate.

11 . The display module according to claim 1 , further comprising a fixture, wherein edges of the first cover plate and the second cover plate are in direct contact with the fixture.

12 . The display module according to claim 1 , wherein a thickness of the second cover plate is smaller than a thickness of the first cover plate.

13 . The display module according to claim 1 , wherein a distance between the first cover plate and the second cover plate is smaller than a distance between the first cover plate and the array substrate.

14 . The display module according to claim 1 , wherein,
the second cover plate comprises a first surface facing the first cover plate, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface, the first cover plate comprises a third surface facing the array substrate, a fourth surface opposite to the third surface, and a side surface connecting the third surface and the fourth surface, and a roughness of the side surface of the second cover plate is greater than a roughness of the side surface of the first cover plate.

15 . The display module according to claim 14 , wherein a roughness of the third surface of the first cover plate is greater than a roughness of the fourth surface of the first cover plate.

16 . The display module according to claim 1 , wherein,
the array substrate further comprises a bonding region, the bonding region is provided with a bonding electrode, and the orthographic projection of the first cover plate on the base substrate does not overlap with an orthographic projection of the bonding electrode on the base substrate, and an orthographic projection of the second cover plate on the base substrate at least partially overlaps with the orthographic projection of the bonding electrode on the base substrate.

17 . The display module according to claim 16 ,
wherein the first light-shielding layer comprises a first section, a second section, a third section and a fourth section connected end to end, a distance between an orthographic projection of the first section on the base substrate and the orthographic projection of the bonding electrode on the base substrate is less than distances between orthographic projections of the second section, the third section, and the fourth section on the base substrate and the orthographic projection of the bonding electrode on the base substrate, respectively, and wherein a width of the first section along a first direction is smaller than a width of the third section along the first direction, and the width of the first section along the first direction is smaller than widths of the second section and the fourth section along a second direction, the first direction intersects with the second direction.

18 . The display module according to claim 1 , further comprising a lens on a side of the second cover plate away from the first cover plate, wherein,
the lens comprises a first end and a second end opposite to the first end in a direction perpendicular to a main optical axis of the lens, an orthographic projection of the first end on the base substrate falls outside an orthographic projection of the second cover plate on the base substrate but falls within the orthographic projection of the first cover plate on the base substrate, and an orthographic projection of the second end on the base substrate falls outside the orthographic projection of the second cover plate on the base substrate but falls within the orthographic projection of the first cover plate on the base substrate.

19 . The display module according to claim 1 , wherein an orthographic projection of the second cover plate on the base substrate

Assignees

• Yunnan Invensight Optoelectronics Technology Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Wei Junbo
• Yang Shengji
• Lu Pengcheng
• Huang Kuanta
• Bai Xiao
• Tian Yuanlan

Classifications

• H10K59/879

  comprising refractive means, e.g. lenses · CPC title

• H10K59/8792 Primary

  comprising light absorbing layers, e.g. black layers · CPC title

• H10K59/872 Primary

  Containers · CPC title