IP Library Granted Patent US 12681347
Granted Patent B2
US 12681347 · App. 19/242,661 · Granted Jul 14, 2026

Display module and production method thereof, and display device

Inventor: Chunli Ning (Nantong, CN)
Assignee: Jiangsu Tianhua Automotive Electronics Co., Ltd.
G02F1/133606
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Quick Facts
Patent No.
US 12681347
App. No.
19/242,661
Granted
Jul 14, 2026
Kind
B2
Abstract

A display module includes a light-emitting module and an anti-peep component. The anti-peep component includes an anti-peep layer and a light-adjusting layer, where the light-adjusting layer is located between the anti-peep layer and the light-emitting module. The anti-peep layer includes a plurality of baffle walls, and light-transmitting portions are provided between adjacent baffle walls. The light-adjusting layer includes a plurality of light-adjusting structures, and one light-adjusting structure corresponds to at least one baffle wall. A vertical projection of a light-adjusting structure on a plane where the light-emitting module is located and a vertical projection of a corresponding baffle wall on the same plane at least partially overlap.

Claims (80)

1 . A display module, comprising:

a light-emitting module; and

an anti-peep component, wherein the anti-peep component is located on a light-emitting side of the light-emitting module, the anti-peep component includes an anti-peep layer and a light-adjusting layer, and the light-adjusting layer is located between the anti-peep layer and the light-emitting module, wherein:

the anti-peep layer includes a plurality of baffle walls, and light-transmitting portions are provided between adjacent baffle walls,

the light-adjusting layer includes a plurality of light-adjusting structures, one of the light-adjusting structures corresponds to at least one of the baffle walls, and a vertical projection of a light-adjusting structure on a plane where the light-emitting module is located and a vertical projection of a corresponding baffle wall on the plane where the light-emitting module is located at least partially overlap, and

the anti-peep component further includes a first substrate and a second substrate arranged opposite to each other, wherein the first substrate is located between the anti-peep layer and the light-adjusting layer or between the light-adjusting layer and the light-emitting module, and the second substrate is located on a side of the anti-peep layer not directly facing the light-emitting module.

2 . The display module according to claim 1 , wherein:

the light-adjusting structure includes a curved light-adjusting structure;

along a direction perpendicular to the plane where the light-emitting module is located, a surface located on at least one side of the curved light-adjusting structure includes a curved surface portion, the curved surface portion is concave toward an interior of the light-adjusting layer, and the curved surface portion forms a concave lens; and

a vertical projection of a surface of a baffle wall directly facing the light-emitting module on the plane where the light-emitting module is located and a vertical projection of a corresponding curved surface portion on the plane where the light-emitting module is located at least partially overlap.

3 . The display module according to claim 2 , wherein:

the baffle walls are disposed along a first direction; and

a width of the curved surface portion along the first direction is less than or equal to a width of a surface of the corresponding baffle wall directly facing the light-emitting module along the first direction.

4 . The display module according to claim 1 , wherein:

the light-adjusting structure includes a curved light-adjusting structure;

along a direction perpendicular to the plane where the light-emitting module is located, a surface located on at least one side of the curved light-adjusting structure includes a curved surface portion, the curved surface portion is convex toward a direction away from an interior of the light-adjusting layer, and the curved surface portion forms a convex lens; and

a vertical projection of the curved surface portion on the plane where the light-emitting module is located and a vertical projection of a corresponding light-transmitting portion on the plane where the light-emitting module is located at least partially overlap, and the vertical projection of the curved surface portion on the plane where the light-emitting module is located and a vertical projection of a surface of the corresponding baffle wall directly facing the light-emitting module on the plane where the light-emitting module is located at least partially overlap.

5 . The display module according to claim 4 , wherein:

the baffle walls are disposed along a first direction; and

a width of the curved surface portion along the first direction is L 1 , and a distance between centers of surfaces of two adjacent baffle walls directly facing the light-emitting module along the first direction is L 2 ,

wherein L 1 ≤L 2 .

6 . The display module according to claim 1 , wherein:

the first substrate is located between the anti-peep layer and the light-adjusting layer.

7 . The display module according to claim 1 , wherein:

the first substrate is located on a side of the light-adjusting layer not directly facing the light-emitting module; and

an isolation layer is provided between the light-adjusting layer and the anti-peep layer.

8 . The display module according to claim 1 , wherein:

the first substrate is located on a side of the anti-peep layer directly facing the light-emitting module;

the light-adjusting layer is multiplexed as the first substrate; and

an isolation layer is provided between the light-adjusting layer and the anti-peep layer.

9 . The display module according to claim 7 , wherein:

an adhesive layer is provided between the light-adjusting layer and the anti-peep layer, and the adhesive layer is multiplexed as the isolation layer.

10 . The display module according to claim 1 , wherein:

the light-adjusting structure includes a rectangle light-adjusting structure;

the first substrate is located on a side of the light-adjusting layer directly facing the light-emitting module; and

a refractive index of the rectangle light-adjusting structure is smaller than a refractive index of the first substrate.

11 . The display module according to claim 10 , wherein:

a vertical projection of the rectangle light-adjusting structure on the plane where the light-emitting module is located and a vertical projection of a surface of the corresponding baffle wall directly facing the light-emitting module on the plane where the light-emitting module is located at least partially overlap.

12 . The display module according to claim 10 , wherein:

the light-adjusting layer further includes a light-adjusting portion, where the light-adjusting portion is at least filled between rectangle light-adjusting structures, and a refractive index of the light-adjusting portion is different from a refractive index of the rectangle light-adjusting structures.

13 . The display module according to claim 1 , wherein:

the light-adjusting structure includes a reflective part, and the reflective part is located on a surface of the corresponding baffle wall directly facing the light-emitting module.

14 . The display module according to claim 1 , wherein:

a reflective layer is provided on at least part of a sidewall of a baffle wall.

15 . A method for making a display module, comprising:

forming an anti-peep component, wherein the anti-peep component includes an anti-peep layer and a light-adjusting layer, the anti-peep layer includes a plurality of baffle walls, a plurality of light-transmitting portions are provided between adjacent baffle walls, the light-adjusting layer includes a plurality of light-adjusting structures, and one of the light-adjusting structures corresponds to at least one baffle wall;

providing a light-emitting module; and

attaching the anti-peep component to a light-emitting side of the light-emitting module, wherein the light-adjusting layer is located between the anti-peep layer and the light-emitting module, and a vertical projection of a light-adjusting structure on a plane where the light-emitting module is located and a vertical projection of a corresponding baffle wall on the plane where the light-emitting module is located at least partially overlap,

wherein forming the anti-peep component comprises:

providing a second substrate;

coating a transparent layer on one side of the second substrate;

forming the light-transmitting portions by embossing the transparent layer with a roller;

unmolding the roller; and

forming the baffle walls by filling a light-shielding material between the light-transmitting portions to form the anti-peep layer.

16 . The method according to claim 15 , wherein forming the anti-peep component further comprises:

forming the light-adjusting layer, in which the light-adjusting structure includes a first light-adjusting structure, and a surface located on at least one side of the first light-adjusting structure includes a first curved surface portion, the first curved surface portion is concave toward an interior of the light-adjusting layer, and the first curved surface portion forms a concave lens, or the light-adjusting structure includes a second light-adjusting structure, and a surface located on at least one side of the second light-adjusting structure includes a second curved surface portion, the second curved surface portion is convex toward a direction away from the interior of the light-adjusting layer, and the second curved surface portion forms a convex lens.

17 . The method according to claim 15 , wherein:

before forming the baffle walls to form the anti-peep layer, the method further comprises:

placing a mask plate on a side of the light-transmitting portions not directly facing the second substrate, the mask plate at least covering surfaces of the light-transmitting portions not directly facing the second substrate;

forming a reflective layer on sidewalls of the light-transmitting portions;

removing the mask plate; and

filling the light-shielding material between the light-transmitting portions to form the baffle walls to form the anti-peep layer; and

after forming the baffle walls to form the anti-peep layer, the method further comprises:

forming reflective parts on a side of the anti-peep layer not directly facing the second substrate to form the light-adjusting layer on the side of the anti-peep layer not directly facing the second substrate, wherein the light-adjusting structure includes a reflective part, and the reflective part is located on a surface of a corresponding baffle wall not directly facing the second substrate.

18 . The method according to claim 15 , wherein forming the anti-peep component comprises:

providing a first substrate;

coating a transparent layer on one side of the first substrate;

embossing the transparent layer with an inverted roller to form the light-transmitting portions;

unmolding the inverted roller;

placing a mask plate on a side of the light-transmitting portions not directly facing the first substrate, the mask plate covering surfaces of the light-transmitting portions not directly facing the first substrate;

forming a reflective layer on sidewalls of the light-transmitting portions, and forming reflective parts on a surface of the first substrate located between the light-transmitting portions to form the light-adjusting layer, in which the light-adjusting structure includes a reflective part;

removing the mask plate;

filling a light-shielding material between the light-transmitting portions to form the baffle walls to form the anti-peep layer, the reflective part being located on a surface of a corresponding baffle wall directly facing the first substrate; and

bonding a side of the anti-peep layer not directly facing the first substrate to a second substrate.

19 . A display device, including a display module, and display module comprising:

a light-emitting module; and

an anti-peep component, wherein the anti-peep component is located on a light-emitting side of the light-emitting module, the anti-peep component includes an anti-peep layer and a light-adjusting layer, and the light-adjusting layer is located between the anti-peep layer and the light-emitting module, wherein:

the anti-peep layer includes a plurality of baffle walls, and light-transmitting portions are provided between adjacent baffle walls,

the light-adjusting layer includes a plurality of light-adjusting structures, one of the light-adjusting structures corresponds to at least one of the baffle walls, and a vertical projection of a light-adjusting structure on a plane where the light-emitting module is located and a vertical projection of a corresponding baffle wall on the plane where the light-emitting module is located at least partially overlap, and

the anti-peep component further includes a first substrate and a second substrate arranged opposite to each other, wherein the first substrate is located between the anti-peep layer and the light-adjusting layer or between the light-adjusting layer and the light-emitting module, and the second substrate is located on a side of the anti-peep layer not directly facing the light-emitting module.