3D device and manufacturing method thereof

Patent metadata

Field	Value
Publication number	US-11409153-B2
Application number	US-201816080336-A
Country	US
Kind code	B2
Filing date	Feb 28, 2018
Priority date	Jul 27, 2017
Publication date	Aug 9, 2022
Grant date	Aug 9, 2022

Abstract

The embodiments of the present disclosure provide a 3D display device and a manufacturing method thereof. The 3D display device includes a first substrate; a second substrate disposed opposite to the first substrate; a black matrix; and a grating. The black matrix and the grating are disposed on a side of the first substrate facing away from the second substrate; the black matrix and the grating are disposed in a same layer; and a side of the first substrate where the black matrix and the grating are located is a light exit side of the 3D display device.

First claim

What is claimed is:

1. A 3D display device, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
a black matrix; and
a grating;
wherein the black matrix and the grating are disposed on a side of the first substrate facing away from the second substrate; the black matrix and the grating are disposed in a same layer; and a side of the first substrate where the black matrix and the grating are located is a light exit side of the 3D display device,
wherein the grating comprises a plurality of shielding portions disposed in parallel with each other, and two side edges of each shielding portion are respectively in contact with the black matrix,
wherein the second substrate comprises a plurality of sub-pixels, and a crosstalk region between adjacent sub-pixels, and
wherein a line width of the black matrix is 4.996 μm, a line width of the crosstalk region is 5 μm, a shrinkage ratio is 0.9993, a line width of a shielding portion is 49.964 μm, and a line width of the sub-pixel is 50 μm.

2. The 3D display device according to claim 1 , wherein the second substrate is an array substrate, a color filter is disposed on the second substrate, and a side of the first substrate facing the second substrate is not provided with a black matrix.

3. The 3D display device according to claim 2 , wherein the black matrix and the grating are formed on a surface of the first substrate facing away from the second substrate.

4. The 3D display device according to claim 2 , further comprising: a third substrate attached to a surface of the first substrate facing away from the second substrate; wherein the black matrix and the grating are formed on a surface of the third substrate facing away from the second substrate.

5. The 3D display device according to claim 2 , further comprising: a film substrate attached to a surface of the first substrate facing away from the second substrate; wherein the black matrix and the grating are formed on a surface of the film substrate facing away from the second substrate.

6. The 3D display device according to claim 1 , wherein a material of the grating is same to a material of the black matrix.

7. The 3D display device according to claim 6 , wherein the grating and the black matrix are formed integrally.

8. The 3D display device according to claim 1 , wherein the black matrix and the grating are formed on a surface of the first substrate facing away from the second substrate.

9. The 3D display device according to claim 1 , further comprising: a third substrate attached to a surface of the first substrate facing away from the second substrate; wherein the black matrix and the grating are formed on a surface of the third substrate facing away from the second substrate.

10. The 3D display device according to claim 1 , further comprising: a film substrate attached to a surface of the first substrate facing away from the second substrate; wherein the black matrix and the grating are formed on a surface of the film substrate facing away from the second substrate.

11. A method for manufacturing a 3D display device, comprising:
providing a first substrate and a second substrate opposite to the first substrate; and
forming a black matrix and a grating on a side of the first substrate facing away from the second substrate;
wherein the black matrix and the grating are disposed in a same layer; and a side of the first substrate where the black matrix and the grating are located is a light exit side of the 3D display device,
wherein the grating comprises a plurality of shielding portions disposed in parallel with each other, and two side edges of each shielding portion are respectively in contact with the black matrix,
wherein the second substrate comprises a plurality of sub-pixels, and a crosstalk region between adjacent sub-pixels, and
wherein a line width of the black matrix is 4.996 μm, a line width of the crosstalk region is 5 μm, a shrinkage ratio is 0.9993, a line width of a shielding portion is 49.964 μm, and a line width of the sub-pixel is 50 μm.

12. The method according to claim 11 , wherein forming a black matrix and a grating on a side of the first substrate facing away from the second substrate comprises:
forming the black matrix and the grating on a surface of the first substrate facing away from the second substrate by a patterning process.

13. The method according to claim 11 , wherein forming a black matrix and a grating on a side of the first substrate facing away from the second substrate comprises:
forming the black matrix and the grating on a surface of a third substrate by a patterning process; and
attaching the third substrate to the first substrate;
wherein the black matrix and the grating are located on a surface of the third substrate facing away from the second substrate.

14. The method according to claim 11 , wherein forming a black matrix and a grating on a side of the first substrate facing away from the second substrate comprises:
forming the black matrix and the grating on a surface of a film substrate by a patterning process; and
attaching the film substrate to the first substrate;
wherein the black matrix and the grating are located on a surface of the film substrate facing away from the second substrate.

Assignees

• Beijing Boe Display Tech Co
• Boe Technology Group Co Ltd

Inventors

• Hu Weipin
• Qiu Yun
• Sun Xiao
• Zhao Hebin
• Wang Yanfeng

Classifications

• G02F1/1362

  Active matrix addressed cells {(G02F1/134336, G02F1/134363 take precedence)} · CPC title

• G02F1/136222

  Colour filters incorporated in the active matrix substrate · CPC title

• G02F1/133512 Primary

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02B30/30

  involving parallax barriers · CPC title