Display panel and display device

Patent metadata

Field	Value
Publication number	US-12593593-B2
Application number	US-202318350313-A
Country	US
Kind code	B2
Filing date	Jul 11, 2023
Priority date	Feb 17, 2023
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

A display panel comprises a pixel cell and anti-view sub-pixels, the anti-view sub-pixels are arranged at least between adjacent two of red, blue and green sub-pixels. The red and green sub-pixels each comprise a first/second light-emitting component, a quantum dot cell and a color resistor arranged in sequence, the blue sub-pixel comprises a light-emitting component and a transparent cell arranged in sequence, and the anti-view sub-pixel comprises an anti-view light-emitting component, an anti-view quantum dot cell and an anti-view layer arranged in sequence. The red and green quantum dot cells, the transparent cell and the anti-view quantum dot cells are located in the same layer and are arranged at intervals, and the color of the light emitted by the anti-view quantum dot cell under excitation is different from colors of the light emitted by two quantum dot cells adjacent to the anti-view quantum dot cell.

First claim

What is claimed is:

1 . A display panel comprising:
a plurality of pixel cells arranged in an array, each of the plurality of pixel cells comprising a plurality of display sub-pixels emitting different colors of light, each of the plurality of display sub-pixels comprising: a red sub-pixel comprising a first blue light-emitting component, a red quantum dot cell and a red color resistor arranged in sequence; a green sub-pixel comprising a second blue light-emitting component, a green quantum dot cell and a green color resistor arranged in sequence; and a blue sub-pixel comprising a third blue light-emitting component and a transparent cell arranged in sequence; and an anti-view sub-pixel located between at least two adjacent display sub-pixels, wherein the anti-view sub-pixel comprises an anti-view blue light-emitting component, an anti-view quantum dot cell and an anti-view layer arranged in sequence; wherein the anti-view blue light-emitting component and the anti-view quantum dot cell are located in an orthographic projection of the anti-view layer, and a color of the anti-view quantum dot cell is different from a color of the quantum dot cell adjacent to the anti-view quantum dot cell; and wherein the display panel comprises a plurality of anti-view sub-pixels, each of the plurality of pixel cells comprises the plurality of anti-view sub-pixels, and each of the plurality of anti-view sub-pixels is located between the red sub-pixel and the blue sub-pixel in each of the plurality of pixel cells.

2 . The display panel according to claim 1 , further comprising:
a first base board comprising a first substrate and the first blue light-emitting component, the second blue light-emitting component, the third blue light-emitting component and the anti-view blue light-emitting component arranged on the first substrate; and a second base board comprising a second substrate and the red quantum dot cell, the red color resistor, the green quantum dot cell, the green color resistor, the transparent cell, the anti-view quantum dot cell and the anti-view layer arranged on the second substrate; wherein the first base board and the second base board are oppositely arranged.

3 . The display panel according to claim 2 , wherein the display panel further comprises a bonding layer, and the first base board is bonded to the second base board through the bonding layer.

4 . The display panel according to claim 2 , wherein the first base board and the second base board are connected by electrostatic adsorption.

5 . The display panel according to claim 3 , wherein the display panel further comprises an anti-reflection layer, and the anti-reflection layer is disposed on a side of the second base board away from the first base board.

6 . The display panel according to claim 1 , wherein a gap is provided between the anti-view layer and the red color resistor.

7 . The display panel according to claim 1 , wherein a light shielding post is arranged between any adjacent 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 2 , wherein the anti-view layer and an adjacent color resistor have a distance (d), and the distance satisfies 0<d≤16 μm.

9 . The display panel according to claim 8 , wherein when the distance between the anti-view layer and the adjacent color resistor is 16 μm, the adjacent color resistor coincides with the orthographic projection of the light-emitting component on the first substrate, and the anti-view layer completely coincides with the orthographic projection of the anti-view light-emitting component on the first substrate.

10 . The display panel according to claim 1 , wherein the anti-view layer contacts an adjacent color resistor.

11 . The display panel according to claim 2 , wherein the second base board further comprises a flat layer, the flat layer is arranged on the second substrate, and the flat layer covers the red color resistor, the green color resistor and the anti-view layer; and
wherein the second base board further comprises a first encapsulation layer and a second encapsulation layer, the red quantum dot cell, the green quantum dot cell, the transparent cell and the anti-view quantum dot cell are sandwiched between the first encapsulation layer and the second encapsulation layer; and wherein the display panel further comprises a polarizing layer arranged on a side of the second base board away from the first base board.

12 . The display panel according to claim 2 , wherein the second base board further comprises a flat layer, the flat layer is arranged on the second substrate, and the flat layer covers the red color resistor, the green color resistor and the anti-view layer.

13 . The display panel according to claim 2 , wherein the second base board further comprises a first encapsulation layer and a second encapsulation layer, the red quantum dot cell, the green quantum dot cell, the transparent cell and the anti-view quantum dot cell are sandwiched between the first encapsulation layer and the second encapsulation layer.

14 . The display panel according to claim 2 , wherein the display panel further comprises a polarizing layer arranged on a side of the second base board away from the first base board.

15 . A display device comprising a main board and a display panel, wherein the main board is electrically connected to the display panel;
wherein the display panel comprises:
a plurality of pixel cells arranged in an array, each of the plurality of pixel cells comprising a plurality of display sub-pixels emitting different colors of light, each of the plurality of display sub-pixels comprising:
a red sub-pixel comprising a first blue light-emitting component, a red quantum dot cell and a red color resistor arranged in sequence;
a green sub-pixel comprising a second blue light-emitting component, a green quantum dot cell and a green color resistor arranged in sequence; and
a blue sub-pixel comprising a third blue light-emitting component and a transparent cell arranged in sequence; and

an anti-view sub-pixel located between at least two adjacent display sub-pixels, wherein the anti-view sub-pixel comprises an anti-view blue light-emitting component, an anti-view quantum dot cell and an anti-view layer arranged in sequence;
wherein the anti-view blue light-emitting component and the anti-view quantum dot cell are located in an orthographic projection of the anti-view layer, and a color of the anti-view quantum dot cell is different from a color of the quantum dot cell adjacent to the anti-view quantum dot cell; and wherein the display panel comprises a plurality of anti-view sub-pixels, each of the plurality of pixel cells comprises the plurality of anti-view sub-pixels, and each of the plurality of anti-view sub-pixels is located between the red sub-pixel and the blue sub-pixel in each of the plurality of pixel cells.

16 . The display device according to claim 15 , further comprising:
a first base board comprising a first substrate and the first blue light-emitting component, the second blue light-emitting component, the third blue light-emitting component and the anti-view blue light-emitting component arranged on the first substrate; and a second base board comprising a second substrate and the red quantum dot cell, the red color resistor, the green quantum dot cell, the green color resistor, the transparent cell, the anti-view quantum dot cell and the anti-view layer arranged on the second substrate; wherein the first base board and th

Assignees

• Hkc Corp Ltd

Inventors

• Wang Hailiang
• Yuan Haijiang

Classifications

• H10K59/8791 Primary

  Arrangements for improving contrast, e.g. preventing reflection of ambient light · CPC title

• H10K50/865

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

• H10K59/38 Primary

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