Liquid crystal lens and three-dimensional display device

Patent metadata

Field	Value
Publication number	US-2016004128-A1
Application number	US-201414429514-A
Country	US
Kind code	A1
Filing date	May 6, 2014
Priority date	Jan 17, 2014
Publication date	Jan 7, 2016
Grant date	—

Abstract

A liquid crystal (LCD) lens and a three-dimensional (3D) display device, which can achieve the equality of signal delay and reduce or eliminate the Moire phenomenon. The LC lens includes: a first substrate and a second substrate arranged opposite to each other, a liquid crystal layer disposed between the first substrate and the second substrate, and a plurality of parallel strip electrodes disposed on one side, close to the liquid crystal layer, of at least one of the first substrate and the second substrate. At least one strip electrode includes a plurality of strip sub-electrodes in sequential end-to-end connection. A specific included angle (α) is formed between the extension direction of each strip sub-electrode and the extension direction of the strip electrode.

First claim

1 . A liquid crystal (LC) lens, comprising:
a first substrate and a second substrate arranged opposite to each other; a liquid crystal layer disposed between the first substrate and the second substrate; and a plurality of parallel strip electrodes disposed on one side, close to the liquid crystal layer, of at least one of the first substrate and the second substrate, wherein at least one strip electrode of the strip electrodes includes a plurality of strip sub-electrodes in sequential end-to-end connection; and a specific included angle is formed between the extension direction of each strip sub-electrode and the extension direction of the strip electrode.

2 . The LC lens according to claim 1 , wherein the strip sub-electrodes of the strip electrode have an equal length.

3 . The LC lens according to claim 1 , wherein the strip sub-electrodes have a consistent extension direction.

4 . The LC lens according to claim 1 , wherein the included angle is from 0° to 45°.

5 . The LC lens according to claim 4 , wherein the included angle is 18.43°, 15.53° or 12.53°.

6 . The LC lens according to claim 1 , wherein a line connecting centers of the strip sub-electrodes is parallel to the extension direction of the strip electrode.

7 . The LC lens according to claim 1 , wherein the LC lens is in the shape of a rectangle; and the strip electrodes are distributed along a direction parallel to the long side of the LC lens.

8 . The LC lens according to claim 1 , wherein the LC lens is in the shape of a rectangle; and the strip electrodes are distributed along a direction parallel to the short side of the LC lens.

9 . A three-dimensional (3D) display device, comprising a display panel and an LC lens disposed on a light-emitting side of the display panel,
wherein the display panel includes a pixel array; the LC lens includes: a first substrate and a second substrate arranged opposite to each other, a liquid crystal layer disposed between the first substrate and the second substrate, and a plurality of parallel strip electrodes disposed on one side, close to the liquid crystal layer, of at least one of the first substrate and the second substrate; the extension direction of the strip electrodes is parallel to the row direction or the column direction of the pixel array in the display panel; at least one strip electrode of the strip electrodes includes a plurality of strip sub-electrodes in sequential end-to-end connection; and a specific included angle is formed between the extension direction of each strip sub-electrode and the extension direction of the strip electrode.

10 . The 3D display device according to claim 9 , wherein the strip sub-electrodes in the strip electrode have an equal length.

11 . The 3D display device according to claim 9 , wherein the strip sub-electrodes have a consistent extension direction.

12 . The 3D display device according to claim 9 , wherein the specific included angle is from 0° to 45°.

13 . The 3D display device according to claim 12 , wherein the specific included angle is 18.43°, 15.53° or 12.53°.

14 . The 3D display device according to claim 9 , wherein a line connecting centers of the strip sub-electrodes is parallel to the extension direction of the strip electrode.

15 . The 3D display device according to claim 9 , wherein the strip electrodes are distributed along a direction parallel to short sides of sub-pixels in the pixel array of the display panel.

16 . The 3D display device according to claim 9 , wherein the strip electrodes are distributed along a direction parallel to long sides of sub-pixels in the pixel array of the display panel.

17 . The 3D display device according to claim 15 , wherein each strip sub-electrode is disposed in an area corresponding to one sub-pixel or a plurality of sub-pixels.

18 . The LC lens according to claim 3 , wherein a line connecting centers of the strip sub-electrodes is parallel to the extension direction of the strip electrode.

19 . The 3D display device according to claim 11 , wherein a line connecting centers of the strip sub-electrodes is parallel to the extension direction of the strip electrode.

20 . The 3D display device according to claim 19 , wherein each strip sub-electrode is disposed in an area corresponding to one sub-pixel or a plurality of sub-pixels.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wu Kun

Classifications

• G02B30/27

  involving lenticular arrays · CPC title

• G02F1/134309 Primary

  characterised by their geometrical arrangement · CPC title

• G02F1/29

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

• G02F2001/134345

  Physics · mapped topic

• G02B27/22

  Physics · mapped topic