3D display device and working method thereof

Patent metadata

Field	Value
Publication number	US-11323681-B2
Application number	US-201715778375-A
Country	US
Kind code	B2
Filing date	Sep 29, 2017
Priority date	Feb 6, 2017
Publication date	May 3, 2022
Grant date	May 3, 2022

Abstract

The present disclosure provides a 3D display device and a working method of the same, the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the acquiring component is configured to acquire current positions of eyes of a viewer, and the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions.

First claim

The invention claimed is:

1. A 3D display device, comprising a display panel, a lens unit, an acquiring component and an adjusting component, wherein the lens unit is provided on a light exiting surface of the display panel, the acquiring component is coupled between the adjusting component and the lens unit, the adjusting component is coupled to the display panel;
the lens unit is configured to form a left eye parallax image corresponding to a left eye and a right eye parallax image corresponding to a right eye;
the acquiring component is configured to acquire current positions of eyes of a viewer; and
the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions, and wherein,
the adjusting component is further configured to adjust a gray scale voltage of a monochromatic sub-pixel according to the current positions, so that display information of the monochromatic sub-pixel received by the eyes of the viewer at the current positions is the same as display information of the monochromatic sub-pixel received by the eyes of the viewer at the preset positions,
the adjusting component includes a first adjusting element, a second adjusting element and a third adjusting element,
the first adjusting element is configured to adjust the gray scale voltage of a red sub-pixel according to the current positions so that the display information of the red sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the red sub-pixel received by the eyes of the viewer at the preset positions;
the second adjusting element is configured to adjust the gray scale voltage of a green sub-pixel according to the current positions so that the display information of the green sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the green sub-pixel received by the eyes of the viewer at the preset positions;
the third adjusting element is configured to adjust the gray scale voltage of a blue sub-pixel according to the current positions so that the display information of the blue sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the blue sub-pixel received by the eyes of the viewer at the preset positions, and
the display information includes gray scale information.

2. The 3D display device of claim 1 , wherein the adjusting component includes a pre-storage element, a lookup element and an adjusting element;
the pre-storage element is configured to store a correspondence relationship among pre-detected different positions of the eyes of the viewer, gray scale voltages of the monochromatic sub-pixel and display information received by the eyes of the viewer;
the lookup element is configured to look up a corresponding gray scale voltage according to the current positions of the eyes of the viewer and the display information received by the eyes of the viewer, and transfer the corresponding gray scale voltage to the adjusting element; and
the adjusting element is configured to apply the corresponding gray scale voltage to the monochromatic sub-pixel.

3. The 3D display device of claim 1 , wherein the lens unit includes any of a liquid crystal lens, a fixed lens and a lens film.

4. The 3D display device of claim 1 , wherein the acquiring component includes a position detector, and the adjusting component includes a signal processor.

5. A working method of a 3D display device, wherein the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the lens unit is provided on a light exiting surface of the display panel, the acquiring component is coupled between the adjusting component and the lens unit, and the adjusting component is coupled to the display panel, the working method of the 3D display device including steps of:
forming, by the lens unit, a left eye parallax image corresponding to a left eye and a right eye parallax image corresponding to a right eye;
acquiring, by the acquiring component, current positions of eyes of a viewer; and
adjusting, by the adjusting component, a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions, wherein the display information includes gray scale information, and wherein
the step of adjusting, by the adjusting component, the signal for driving the display panel according to the current positions include a step of:
adjusting, by the adjusting component, a gray scale voltage of a monochromatic sub-pixel according to the current positions so that display information of the monochromatic sub-pixel received by the eyes of the viewer at the current positions is the same display information of the monochromatic sub-pixel received by the eyes of the viewer at the preset positions,
the adjusting component includes a first adjusting element, a second adjusting element and a third adjusting element, the step of adjusting, by the adjusting component, the gray scale voltage of the monochromatic sub-pixel according to the current positions includes;
adjusting, by the first adjusting element, the gray scale voltage of a red sub-pixel according to the current positions so that the display information of the red sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the red sub-pixel received by the eyes of the viewer at the preset positions;
adjusting, by the second adjusting element, the gray scale voltage of a green sub-pixel according to the current positions so that the display information of the green sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the green sub-pixel received by the eyes of the viewer at the preset positions; and
adjusting, by the third adjusting element, the gray scale voltage of a blue sub-pixel according to the current positions so that the display information of the blue sub-pixel received by the eyes of the viewer at the current positions is the same as the display information of the blue sub-pixel received by the eyes of the viewer at the preset positions.

6. The working method of the 3D display device of claim 5 , wherein the adjusting component includes a pre-storage element, a lookup element and an adjusting element, the step of adjusting, by the adjusting component, the gray scale voltage of the monochromatic sub-pixel according to the current positions includes:
storing, by the pre-storage element, a correspondence relationship among pre-detected different positions of the eyes of the viewer, gray scale voltages of the monochromatic sub-pixel and display information received by the eyes of the viewer;
looking up, by the lookup element, a corresponding gray scale voltage according to the current positions of the eyes of the viewer and the display information received by the eyes of the viewer, and transferring the gray scale voltage to the adjusting element; and
applying, by the adjusting element, the gray scale voltage to the monochromatic sub-pixel.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Lu Pengcheng
• Chen Xiaochuan
• Yang Shengji
• Wang Lei
• Zhao Wenqing
• Liu Dongni
• Fu Jie
• Yue Han
• Xiao Li
• Gao Jian
• Wang Haisheng
• Li Changfeng

Classifications

• H04N13/117 Primary

  the virtual viewpoint locations being selected by the viewers or determined by viewer tracking · CPC title

• G09G3/003

  to produce spatial visual effects · CPC title

• G09G2320/0285

  using tables for spatial correction of display data · CPC title

• H04N13/31

  using parallax barriers · CPC title

• H04N13/322

  using varifocal lenses or mirrors · CPC title