Display panel, manufacturing method thereof and display device

Patent metadata

Field	Value
Publication number	US-12490628-B2
Application number	US-202318350413-A
Country	US
Kind code	B2
Filing date	Jul 11, 2023
Priority date	Feb 17, 2023
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

A display panel includes a first substrate plate and a second substrate plate. A blue light-emitting layer on the first substrate plate comprises a display light-emitting component and an anti-view light-emitting component arranged at least between the two display light-emitting components. The second substrate plate includes a second substrate, an anti-view light shielding layer and a quantum dot layer. The anti-view light shielding layer corresponds to the anti-view light-emitting component, and an orthographic projection of the anti-view light-emitting component is located within an orthographic projection of the anti-view light shielding layer. The quantum dot layer includes a display quantum dot cell and an anti-view quantum dot cell arranged at intervals, the display quantum dot cell corresponds to the display light-emitting component, the anti-view quantum dot cell corresponds to the anti-view light-emitting component, and the anti-view quantum dot cell has different colors from two adjacent display quantum dot cells.

First claim

What is claimed is:

1 . A display panel, comprising:
a first substrate plate comprising a first substrate and a blue light-emitting layer formed on the first substrate, wherein the blue light-emitting layer comprises a plurality of display light-emitting components arranged at intervals and an anti-view light-emitting component arranged at least between two of the plurality of display light-emitting components; and a second substrate plate, wherein the second substrate plate and the first substrate plate are arranged by cell assembling, and the second substrate plate comprises:
a second substrate opposite to the first substrate;
an anti-view light shielding layer arranged on a side of the second substrate towards the first substrate, wherein an orthographic projection of the anti-view light-emitting component on the first substrate is located within an orthographic projection of the anti-view light shielding layer on the first substrate; and
a quantum dot layer disposed at a side of the anti-view light shielding layer away from the second substrate and comprising a display quantum dot cell and an anti-view quantum dot cell arranged at intervals with each other, wherein the display quantum dot cell is disposed opposite to the plurality of display light-emitting components, an orthographic projection of the anti-view quantum dot cell on the first substrate overlaps the orthographic projection of the anti-view light-emitting component on the first substrate, and the anti-view quantum dot cell is different in color from at least one display quantum dot cell adjacent to the anti-view quantum dot cell.

2 . The display panel according to claim 1 , wherein the second substrate plate further comprises a blue light absorption layer disposed between the anti-view light shielding layer and the quantum dot layer, wherein the blue light absorption layer comprises an opening area and an absorption area arranged around the opening area, wherein the opening area allows at least a part of blue light emitted by the plurality of display light-emitting components to pass through, and the absorption area is capable of absorbing the blue light.

3 . The display panel according to claim 1 , wherein the first substrate plate and the second substrate plate are laminated.

4 . The display panel according to claim 3 , wherein the display panel further comprises a bonding layer, one side of the bonding layer is bonded to a side of the blue light-emitting layer away from the first substrate, and another side of the bonding layer is bonded to a side of the quantum dot layer away from the second substrate.

5 . The display panel according to claim 3 , wherein the side of the blue light-emitting layer away from the first substrate is connected to the side of the quantum dot layer away from the second substrate by electrostatic adsorption.

6 . The display panel according to claim 1 , wherein the display panel further comprises a plurality of pixel cells arranged in an array, wherein each of the plurality of pixel cells comprises a first blue light-emitting component, a second blue light-emitting component, a third blue light-emitting component and an anti-view light-emitting component, and the anti-view light-emitting component is arranged between two adjacent blue light-emitting components; and
wherein each of the plurality of pixel cells further comprises a red quantum dot cell, a green quantum dot cell, a transparent cell and the anti-view quantum dot cell, wherein the red quantum dot cell, the green quantum dot cell and the transparent cell correspond one-to-one with the first blue light-emitting component, the second blue light-emitting component and the third blue light-emitting component.

7 . The display panel according to claim 6 , wherein a light shielding post is arranged between any two of the red quantum dot cell, the green quantum dot cell, the transparent cell and the anti-view quantum dot cell.

8 . The display panel according to claim 1 , wherein the second substrate plate further comprises a flat layer, the flat layer is arranged on the second substrate, and the flat layer covers the anti-view light shielding layer: or
wherein the display panel further comprises an anti-reflection layer arranged on a side of the second substrate plate away from the first substrate plate.

9 . The display panel according to claim 1 , wherein the second substrate plate further comprises a flat layer, the flat layer is arranged on the second substrate, and the flat layer covers the anti-view light shielding layer; and
wherein the display panel further comprises an anti-reflection layer arranged on a side of the second substrate plate away from the first substrate plate.

10 . A method of manufacturing a display panel, comprising:
providing a first substrate, a display light-emitting component and an anti-view light-emitting component being formed on the first substrate to form a first substrate plate; providing a second substrate, an anti-view light shielding layer and a quantum dot layer being formed on the second substrate to form a second substrate plate; and laminating sides of the display light-emitting component and the anti-view light-emitting component away from the first substrate of the first substrate plate with a side of the quantum dot layer away from the second substrate of the second substrate plate to form the display panel.

11 . A display device comprising a main board and a display panel electrically connected to the main board:
wherein the display panel comprises:
a first substrate plate comprising a first substrate and a blue light-emitting layer formed on the first substrate, wherein the blue light-emitting layer comprises a plurality of display light-emitting components arranged at intervals and an anti-view light-emitting component arranged at least between two of the plurality of display light-emitting components; and
a second substrate plate, wherein the second substrate plate and the first substrate plate are arranged by cell assembling, and the second substrate plate comprises:
a second substrate opposite to the first substrate;
an anti-view light shielding layer arranged on a side of the second substrate towards the first substrate, wherein an orthographic projection of the anti-view light-emitting component on the first substrate is located within an orthographic projection of the anti-view light shielding layer on the first substrate; and
a quantum dot layer disposed at a side of the anti-view light shielding layer away from the second substrate and comprising a display quantum dot cell and an anti-view quantum dot cell arranged at intervals with each other, wherein the display quantum dot cell is disposed opposite to the plurality of display light-emitting components, an orthographic projection of the anti-view quantum dot cell on the first substrate overlaps the orthographic projection of the anti-view light-emitting component on the first substrate, and the anti-view quantum dot cell is different in color from at least one display quantum dot cell adjacent to the anti-view quantum dot cell.

12 . The display device according to claim 11 , wherein the second substrate plate further comprises a blue light absorption layer disposed between the anti-view light shielding layer and the quantum dot layer, wherein the blue light absorption layer comprises an opening area and an absorption area arranged around the opening area, wherein the opening area allows at least a part of blue light emitted by the plurality of display light-emitting components to pass through, and the absorption area is capable of absorbing the blue light.

13 . The displ

Assignees

• Hkc Corp Ltd

Inventors

• Wang Hailiang
• Yuan Haijiang

Classifications

• H10K59/8792

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

• H10K59/38

  comprising colour filters or colour changing media [CCM] · CPC title

• H10K50/865

  comprising light absorbing layers, e.g. light-blocking layers · CPC title

• H10K59/50 Primary

  OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements · CPC title