Stereoscopic imaging apparatus and user terminal

Patent metadata

Field	Value
Publication number	US-10056437-B2
Application number	US-201615224212-A
Country	US
Kind code	B2
Filing date	Jul 29, 2016
Priority date	Jul 30, 2015
Publication date	Aug 21, 2018
Grant date	Aug 21, 2018

Abstract

The present invention provides a stereoscopic imaging apparatus (100), including: a display module (130), including a display pixel layer (131) and a first substrate (132), where the display pixel layer (131) includes a pixel array (133), and the first substrate (132) is disposed on the display pixel layer (131); a second substrate (120), disposed opposite to the first substrate (132); and a first lens layer (110), including a lens array (111), where the first lens layer (110) is disposed between the first substrate (132) and the second substrate (120), and the lens array (111) is configured to receive light transmitted by the pixel array (133), and deflect light, which is transmitted by a corresponding pixel in the pixel array (133), to a different projection direction to implement stereoscopic parallax.

First claim

What is claimed is:

1. A stereoscopic imaging apparatus, comprising:
a display module, comprising a display pixel layer and a first substrate wherein the display pixel layer comprises a pixel array, and the first substrate is disposed on the display pixel layer;
a second substrate, disposed opposite to the first substrate; and
a first lens layer, comprising a lens array, wherein the first lens layer is disposed between the first substrate and the second substrate, and the lens array is configured to receive light transmitted by the pixel array, and deflect light, which is transmitted by a corresponding pixel in the pixel array, to a different projection direction to implement stereoscopic parallax,
wherein the lens array comprises a first electrode, an electrode paired with the first electrode, a second electrode, and an electrode paired with the second electrode that are disposed alternately, and a liquid crystal material, and the lens array is configured to receive light transmitted by the pixel array, and control a liquid crystal lens in the lens array to deflect light, which is transmitted by a pixel in the pixel array, to a different projection direction to implement stereoscopic parallax,
wherein the first electrode, the electrode paired with the first electrode the second electrode, and the electrode paired with the second electrode are disposed in parallel on a side that is of the second substrate and close to the liquid crystal material; in a first time segment, a voltage is applied to the first electrode, the electrode paired with the first electrode is grounded, and no voltage is applied to the second electrode and the electrode paired with the second electrode; and in a second time segment, a voltage is applied to the second electrode, the electrode paired with the second electrode is grounded, and no voltage is applied to the first electrode and the electrode paired with the first electrode.

2. The stereoscopic imaging apparatus according to claim 1 , wherein the stereoscopic imaging apparatus is a liquid crystal display LCD, the display module further comprises a first polarizer, wherein the first polarizer is disposed between the first substrate and the first lens layer, and the display pixel layer comprises: a second polarizer, a display liquid crystal layer, and a color filter layer, wherein the color filter layer is disposed between the display liquid crystal layer and the first substrate, and the display liquid crystal layer is disposed between the color filter layer and the second polarizer.

3. The stereoscopic imaging apparatus according to claim 2 , wherein a thickness of the first substrate is 50-300 microns.

4. The stereoscopic imaging apparatus according to claim 1 , wherein the stereoscopic imaging apparatus is a liquid crystal display LCD, and the display pixel layer comprises: a first polarizer, a second polarizer, a display liquid crystal layer, a third substrate, a color filter layer, wherein the color filter layer is disposed between the first substrate and the third substrate, the third substrate is disposed between the color filter layer and the first polarizer, the display liquid crystal layer is disposed between the first polarizer and the second polarizer.

5. The stereoscopic imaging apparatus according to claim 4 , wherein the first substrate is protective glass of the color filter layer, and a thickness of the protective glass is 50-300 microns.

6. The stereoscopic imaging apparatus according to claim 1 , wherein the stereoscopic imaging apparatus is an organic light emitting diode (OLED) display, and the display pixel layer comprises: a third substrate and an (OLED) layer, wherein the OLED layer is disposed between the third substrate and the first substrate.

7. The stereoscopic imaging apparatus according to claim 6 , wherein a thickness of the first substrate is 50-300 microns.

8. The stereoscopic imaging apparatus according to claim 1 , wherein the first electrode, the electrode paired with the first electrode, the second electrode, and the electrode paired with the second electrode are disposed on the second substrate horizontally along the stereoscopic imaging apparatus; and when the stereoscopic imaging apparatus is used vertically, the first electrode, the electrode paired with the first electrode, the second electrode, and the electrode paired with the second electrode control the liquid crystal lens in the lens array to deflect the light, which is transmitted by the corresponding pixel in the pixel array, to a different projection direction to implement stereoscopic parallax.

9. The stereoscopic imaging apparatus according to claim 8 , wherein the lens array further comprises a third electrode, an electrode paired with the third electrode, a fourth electrode, and an electrode paired with the fourth electrode that are disposed alternately; the third electrode, the electrode paired with the third electrode, the fourth electrode, and the electrode paired with the fourth electrode are disposed on the first substrate vertically along the stereoscopic imaging apparatus; and when the stereoscopic imaging apparatus is used horizontally, the third electrode, the electrode paired with the third electrode, the fourth electrode, and the electrode paired with the fourth electrode control the liquid crystal lens in the lens array to deflect the light, which is transmitted by the corresponding pixel in the pixel array, to a different projection direction to implement stereoscopic parallax.

10. The stereoscopic imaging apparatus according to claim 9 , wherein the third electrode, the electrode paired with the third electrode, the fourth electrode, and the electrode paired with the fourth electrode are made of conductive ink.

11. The stereoscopic imaging apparatus according to claim 1 , further comprising:
a touchscreen, disposed on the second substrate; and
a protective glass, disposed on the touchscreen.

12. The stereoscopic imaging apparatus according to claim 1 , wherein the pixel array comprises multiple pixels, the lens array comprises multiple first lenses, and each first lens in the multiple first lenses is corresponding to at least one pixel.

13. The stereoscopic imaging apparatus according to claim 1 , wherein the pixel array comprises multiple pixels, the lens array comprises multiple first lenses, each pixel in the multiple pixels comprises multiple sub-pixels, and each first lens in the multiple first lenses is corresponding to at least one sub-pixel.

14. A user terminal, comprising a stereoscopic imaging apparatus according to claim 1 .

15. A stereoscopic imaging apparatus, comprising:
a display module, comprising a display pixel layer and a first substrate, wherein the display pixel layer comprises a pixel array, and the first substrate is disposed on the display pixel layer;
a second substrate, disposed opposite to the first substrate; and
a first lens layer, comprising a lens array, wherein the first lens layer is disposed between the first substrate and the second substrate, and the lens array is configured to receive light transmitted by the pixel array, and deflect light, which is transmitted by a corresponding pixel in the pixel array, to a different projection direction to implement stereoscopic parallax,
wherein the lens array comprises a first electrode, an electrode paired with the first electrode, a second electrode, and an electrode paired with the second electrode that are disposed alternately, and a liquid crystal material, and the lens array is configured to receive light transmitted by the pixel array, and control a liquid crystal lens in the lens array to deflect

Assignees

• Huawei Tech Co Ltd
• Cambridge Entpr Ltd

Inventors

• Zhou Jiong
• Li Kun
• Chu Daping

Classifications

• G02F1/29

  for the control of the position or the direction of light beams, i.e. deflection · CPC title

• H04N2213/001

  Constructional or mechanical details · CPC title

• G02F1/134309

  characterised by their geometrical arrangement · CPC title

• H04N13/305

  using lenticular lenses, e.g. arrangements of cylindrical lenses · CPC title

• G02F1/133528

  Polarisers · CPC title