2d/3d switchable display device

Patent metadata

Field	Value
Publication number	US-2016306181-A1
Application number	US-201514655724-A
Country	US
Kind code	A1
Filing date	Apr 1, 2015
Priority date	Jan 21, 2015
Publication date	Oct 20, 2016
Grant date	—

Abstract

The present invention provides a 2D/3D switchable display device, comprising a backlight module ( 2 ) and a liquid crystal panel ( 1 ) located on the backlight module ( 2 ); the liquid crystal panel ( 1 ) comprises a plurality of element images ( 11 ) sequentially aligned, and the backlight module ( 2 ) comprises a plurality of light-emitting elements ( 21 ) corresponding to the plurality of element images ( 11 ), and each light-emitting element ( 21 ) comprises a middle region ( 211 ) in a middle position and a surrounding region ( 212 ) at periphery of the middle region ( 211 ), and the middle regions ( 211 ) of the plurality of light-emitting elements ( 21 ) respectively correspond to the plurality of element images ( 11 ), and the middle region ( 211 ) and the surrounding region ( 212 ) are respectively controlled by different circuits to be lightened or dimmed; as the middle region ( 211 ) and the surrounding region ( 212 ) are lightened at the same time, the display device shows a 2D display mode, and as the middle region ( 211 ) is lightened and the surrounding region ( 212 ) is dimmed, the display device shows a 3D display mode of two dimensional integral imaging to achieve a switch of 2D/3D display modes.

First claim

What is claimed is:

1 . A 2D/3D switchable display device, comprising a backlight module and a liquid crystal panel located on the backlight module;
the liquid crystal panel comprises a plurality of element images sequentially aligned, and the backlight module comprises a plurality of light-emitting elements corresponding to the plurality of element images, and each light-emitting element comprises a middle region in a middle position and a surrounding region at periphery of the middle region, and the middle regions of the plurality of light-emitting elements respectively correspond to the plurality of element images, and the middle region and the surrounding region are respectively controlled by different circuits to be lightened or dimmed; as the middle region and the surrounding region are lightened at the same time, the display device shows a 2D display mode, and as the middle region is lightened and the surrounding region is dimmed, the display device shows a 3D display mode of two dimensional integral imaging to achieve a switch of 2D/3D display modes.

2 . The 2D/3D switchable display device according to claim 1 , wherein the backlight module employs white light OLEDs.

3 . The 2D/3D switchable display device according to claim 1 , wherein the element image appears to be square.

4 . The 2D/3D switchable display device according to claim 1 , wherein the light-emitting element appears to be square.

5 . The 2D/3D switchable display device according to claim 1 , wherein the middle region appears to be square.

6 . The 2D/3D switchable display device according to claim 1 , wherein the element image comprises 9 pixels which are aligned to appear as 3 pixels×3 pixels.

7 . The 2D/3D switchable display device according to claim 1 , wherein the plurality of element images respectively show two dimensional images of a three dimensional object recorded from different angles, and the plurality of element images construct an element image array.

8 . The 2D/3D switchable display device according to claim 7 , wherein the element image array contains three dimensional information of the three dimensional object.

9 . A 2D/3D switchable display device, comprising a backlight module and a liquid crystal panel located on the backlight module;
the liquid crystal panel comprises a plurality of element images sequentially aligned, and the backlight module comprises a plurality of light-emitting elements corresponding to the plurality of element images, and each light-emitting element comprises a middle region in a middle position and a surrounding region at periphery of the middle region, and the middle regions of the plurality of light-emitting elements respectively correspond to the plurality of element images, and the middle region and the surrounding region are respectively controlled by different circuits to be lightened or dimmed; as the middle region and the surrounding region are lightened at the same time, the display device shows a 2D display mode, and as the middle region is lightened and the surrounding region is dimmed, the display device shows a 3D display mode of two dimensional integral imaging to achieve a switch of 2D/3D display modes; wherein the backlight module employs white light OLEDs; wherein the element image appears to be square.

10 . The 2D/3D switchable display device according to claim 9 , wherein the light-emitting element appears to be square.

11 . The 2D/3D switchable display device according to claim 9 , wherein the middle region appears to be square.

12 . The 2D/3D switchable display device according to claim 9 , wherein the element image comprises 9 pixels which are aligned to appear as 3 pixels×3 pixels.

13 . The 2D/3D switchable display device according to claim 9 , wherein the plurality of element images respectively show two dimensional images of a three dimensional object recorded from different angles, and the plurality of element images construct an element image array.

14 . The 2D/3D switchable display device according to claim 13 , wherein the element image array contains three dimensional information of the three dimensional object.

Assignees

• Shenzhen China Star Optoelect

Inventors

• Liu Yawei
• Liao Qiaosheng

Classifications

• G02B30/27 Primary

  involving lenticular arrays · CPC title

• G02F1/133603

  with LEDs · CPC title

• G02F2201/52

  RGB geometrical arrangements · CPC title

• G09G3/3426

  the different display panel areas being distributed in two dimensions, e.g. matrix · CPC title

• G09G2320/0233

  Improving the luminance or brightness uniformity across the screen · CPC title