Three-dimensional display system and method

Patent metadata

Field	Value
Publication number	US-11134237-B2
Application number	US-201715776184-A
Country	US
Kind code	B2
Filing date	Oct 19, 2017
Priority date	Mar 6, 2017
Publication date	Sep 28, 2021
Grant date	Sep 28, 2021

Abstract

A three-dimensional display system includes: an LED array and a light control layer disposed on a base substrate; wherein the LED array is used to form polarized lights of different polarization directions; the light control layer is used to control a light emission order of the polarized lights of different polarization directions.

First claim

What is claimed is:

1. A three-dimensional display system, comprising an LED array and a light control layer disposed on a base substrate; wherein
the LED array is configured to form polarized lights of different polarization directions;
the light control layer is configured to control a light emission order of the polarized lights of different polarization directions, and
each LED in the LED array comprises:
a p-n diode layer grown on a growth substrate;
an electrode layer disposed above the p-n diode layer; and
a wire grid disposed above the p-n diode layer.

2. The three-dimensional display system according to claim 1 , wherein the light control layer controls the polarized light of one polarization direction during a period of time.

3. The three-dimensional display system according to claim 1 , wherein one LED comprises a plurality of wire grids of the plurality of polarization directions, and the plurality of polarization directions is different.

4. The three-dimensional display system according to claim 1 , wherein one LED comprises first wire grids of a first polarization direction and second wire grids of a second polarization direction.

5. The three-dimensional display system according to claim 4 , wherein the first polarization direction is perpendicular to the second polarization direction.

6. The three-dimensional display system according to claim 1 , wherein one LED comprises first wire grids in a first polarization direction, second wire grids in a second polarization direction, third wire grids in a third polarization direction, and fourth wire grids in a fourth polarization direction, wherein the first polarization direction, the second polarization direction, the third polarization direction, and the fourth polarization direction are all different from one another.

7. The three-dimensional display system according to claim 1 , wherein one LED comprises wire grids in one polarization direction, and the plurality of LEDs forms polarized lights in different polarization directions.

8. The three-dimensional display system according to claim 1 , wherein the LED is a micro LED.

9. The three-dimensional display system according to claim 1 , wherein the light control layer comprises a first substrate, a second substrate and liquid crystals disposed between the first substrate and the second substrate; wherein the light control layer is configured to transmit light in a power-on state and not transmit light in a power-off state.

10. The three-dimensional display system according to claim 8 , wherein the light control layer further comprises a post spacer or a post spacer wall located in the liquid crystals, for controlling the liquid crystals in different regions.

11. A three-dimensional display method for the three-dimensional display system according to claim 1 , wherein the method comprises:
forming polarized lights of different polarization directions through the LED array;
controlling a light emission order of the polarized lights of different polarization directions by using the light control layer.

12. The three-dimensional display method according to claim 11 , wherein the light control layer controls the polarized light of one polarization direction during a period of time.

13. The three-dimensional display method according to claim 11 , wherein the LED array comprises a plurality of LEDs, one LED has first wire grids in a first polarization direction and second wire grids in a second polarization direction, the controlling a light emission order of the polarized lights in different polarization directions by using the light control layer comprises:
in a picture of an n-th frame, turning on a light control layer corresponding to first wire grids of the first polarization direction to transmit polarized lights corresponding to the first polarization direction, and simultaneously turning off a light control layer corresponding to second wire grids in the second polarization direction to not transmit polarized lights corresponding to the second polarization direction;
in a picture of an (n+1)-th frame, turning off the light control layer corresponding to the first wire grids of the first polarization direction to not transmit polarized lights corresponding to the first polarization direction, and simultaneously turning on the light control layer corresponding to the second wire grids of the second polarization direction to transmit the polarized lights corresponding to the second polarization direction.

14. The three-dimensional display method according to claim 11 , wherein one LED comprises wire grids of one polarization direction, and a plurality of LEDs form polarized lights of different polarization directions.

15. The three-dimensional display system according to claim 2 , wherein the LED is a micro LED.

16. The three-dimensional display system according to claim 1 , wherein the LED is a micro LED.

17. A three-dimensional display method for the three-dimensional display system according to claim 2 , wherein the method comprises:
forming polarized lights of different polarization directions through the LED array;
controlling a light emission order of the polarized lights of different polarization directions by using the light control layer.

18. A three-dimensional display method for the three-dimensional display system according to claim 3 , wherein the method comprises:
forming polarized lights of different polarization directions through the LED array;
controlling a light emission order of the polarized lights of different polarization directions by using the light control layer.

Assignees

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

Inventors

• Wang Yanfeng
• Dong Xue
• Wang Dan
• Qiu Yun
• Du Yuanxin
• Lv Zhenhua
• Xu Xiaoling
• Wang Zhidong
• Hu Weipin
• Wei Congcong

Classifications

• G02B5/3058

  comprising electrically conductive elements, e.g. wire grids, conductive particles · CPC title

• G02B30/25 Primary

  using polarisation techniques · CPC title

• H04N13/32

  using arrays of controllable light sources; using moving apertures or moving light sources · CPC title

• H04N13/337 Primary

  using polarisation multiplexing · CPC title