Three-dimensional display device and method for forming the same

Patent metadata

Field	Value
Publication number	US-10330944-B2
Application number	US-201715547549-A
Country	US
Kind code	B2
Filing date	Jan 6, 2017
Priority date	Apr 25, 2016
Publication date	Jun 25, 2019
Grant date	Jun 25, 2019

Abstract

A three-dimensional display device and a method for forming the same are provided. The three-dimensional display device includes a display panel and a parallax barrier on the display panel. The parallax barrier includes a first parallax sub-barrier, a resin layer on the first parallax sub-barrier and a second parallax sub-barrier on the resin layer. A thickness of the parallax barrier is larger than a predetermined thickness, where the predetermined thickness d1 is smaller than or equal to 1 μm.

First claim

What is claimed is:

1. A three-dimensional display device, comprising a display panel and a parallax barrier on the display panel, wherein the parallax barrier comprises a first parallax sub-barrier, an opaque resin layer on the first parallax sub-barrier and a second parallax sub-barrier on the opaque resin layer;
a thickness of the parallax barrier is larger than a predetermined thickness d 1 , wherein the predetermined thickness d 1 is less than or equal to 1 μm.

2. The three-dimensional display device according to claim 1 , wherein the thickness of the parallax barrier is smaller than or equal to a vertical distance between the display panel and the parallax barrier.

3. The three-dimensional display device according to claim 2 , wherein the display panel comprises a color filter substrate, and the vertical distance between the display panel and the parallax barrier is a vertical distance from a surface of the color filter substrate adjacent to the parallax barrier to a center of the parallax barrier.

4. The three-dimensional display device according to claim 1 , wherein a thickness of the first parallax sub-barrier and a thickness of the second parallax sub-barrier are not larger than the predetermined thickness d 1 .

5. The three-dimensional display device according to any claim 1 , further comprising:
a distance adjustment layer, arranged between the display panel and the parallax barrier and at any pair or two pairs of opposite side edges of the display panel;
wherein the distance adjustment layer is configured to adjust the vertical distance between the display panel and the parallax barrier.

6. The three-dimensional display device according to claim 5 , wherein a first adhesion layer is arranged between the display panel and the distance adjustment layer;
the distance adjustment layer is adhered to any pair or two pairs of opposite side edges of the display panel through the first adhesion layer;
a second adhesion layer is arranged between the distance adjustment layer and the parallax barrier; and
the parallax barrier is adhered to the distance adjustment layer through the second adhesion layer.

7. The three-dimensional display device according to claim 5 , wherein the distance adjustment layer is made of a piezoelectric material.

8. The three-dimensional display device according to claim 7 , wherein the piezoelectric material comprises a piezoelectric crystal, a piezoelectric ceramic, a piezoelectric polymer and a piezoelectric composite of ceramic and polymer.

9. The three-dimensional display device according to claim 5 , wherein the display panel comprises a distance detection module configured to detect a distance between human eyes and the display panel.

10. The three-dimensional display device according to any claim 1 , wherein the opaque resin layer comprises nonopaque stripes and opaque stripes arranged alternately;
wherein the opaque stripes correspond to slits of the parallax barrier.

11. The three-dimensional display device according to claim 10 , wherein a difference value between the thickness of the parallax barrier and the predetermined thickness is in direct proportion to a width of each slit.

12. A method for forming a three-dimensional display device, comprising:
forming a display panel;
forming a parallax barrier on the display panel,
wherein the parallax barrier comprises a first parallax sub-barrier, an opaque resin layer on the first parallax sub-barrier and a second parallax sub-barrier on the opaque resin layer, and
a thickness of the parallax barrier is larger than a predetermined thickness d 1 , wherein the predetermined thickness d 1 is less than or equal to 1 μm.

13. The method according to claim 12 , wherein the thickness of the parallax barrier is smaller than or equal to a vertical distance between the display panel and the parallax barrier.

14. The method according to claim 13 , wherein the display panel comprises a color filter substrate, and the vertical distance between the display panel and the parallax barrier is a vertical distance from a surface of the color filter substrate adjacent to the parallax barrier to a center of the parallax barrier.

15. The method according to claim 12 , wherein subsequent to forming the display panel and prior to forming the parallax barrier on the display panel, the method further comprises:
forming a distance adjustment layer at any pair or two pairs of opposite side edges of the display panel, and adjusting the vertical distance between the display panel and the parallax barrier through the distance adjustment layer; and
the forming the parallax barrier on the display panel further comprises:
forming the parallax barrier on the distance adjustment layer.

16. The method according to claim 15 , wherein the distance adjustment layer is made of a piezoelectric material.

17. The method according to claim 16 , wherein the piezoelectric material comprises a piezoelectric crystal, a piezoelectric ceramic, a piezoelectric polymer and a piezoelectric composite of ceramic and polymer.

18. The method according to claim 15 , further comprising:
forming a distance detection module arranged on the display panel and configured to detect a distance between human eyes and the display panel;
wherein the adjusting the vertical distance between the display panel and the parallax barrier through the distance adjustment layer comprises:
adjusting, based on a detected distance between the human eyes and the display panel, a voltage applied to the distance adjustment layer, to deform the distance adjustment layer and adjust the vertical distance between the display panel and the parallax barrier.

19. The method according to claim 15 , wherein subsequent to forming the display panel and prior to forming the distance adjustment layer, the method further comprises:
forming a first adhesion layer on the display panel, and adhering the distance adjustment layer to any pair or two pairs of opposite side edges of the display panel through the first adhesion layer;
wherein subsequent to forming the distance adjustment layer and prior to forming the parallax barrier on the display panel, the method further comprises:
forming a second adhesion layer between the distance adjustment layer and the parallax barrier; and
adhering the parallax barrier to the distance adjustment layer through the second adhesion layer.

20. The method according to claim 12 , the method further comprises:
patterning the parallax barrier to form nonopaque stripes and opaque stripes arranged alternately, wherein the nonopaque stripes correspond to slits of the parallax barrier.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wei Wei

Classifications

• G02B27/0093

  with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking · CPC title

• G02B27/2214 Primary

  Physics · mapped topic

• G02B27/22

  Physics · mapped topic

• G02B30/32 Primary

  characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size · CPC title

• G02B30/27

  involving lenticular arrays · CPC title