Liquid crystal optical grating module, two-dimensional/three-dimensional switchable display and its driving method

Abstract

The invention is applicable to the field of display apparatus and provides a liquid crystal raster module, a two-dimensional / three-dimensional switchover type display apparatus and a driving method thereof; wherein, the liquid crystal raster module comprises two substrates, the electrodes on one of the two substrates are in chessboard type distribution, and the electrode areas and non-electrode areas are all alternatively arrayed in the horizontal direction and vertical direction. In the invention, 3D effect can be observed both from the horizontal direction and vertical direction when the raster is at work, the raster display state switchover is unnecessary, a combination of a segment terminal and a common terminal can be adopted, namely, the electrode lead control display apparatuses on the two substrates of the liquid crystal raster module, the driving mode is simpler, furthermore, the liquid crystal raster pixel size and the pixel interval are larger and the production process is mature, therefore, the cost is low, meanwhile the 3D image synthesis mode of the invention adopts interval dot pixel extraction, thus the subtleness of the image is high.

Description

technical field [0001] The invention belongs to the field of displays, and in particular relates to a liquid crystal grating module, a two-dimensional / three-dimensional switchable display and a driving method thereof. Background technique [0002] Now the three-dimensional (3D) display function of the display is gradually becoming an important factor to attract consumers, and has been applied in many products, such as mobile communication terminals, televisions, computers, vehicle display screens, etc., 3D applications will surely follow The maturity of technology has penetrated deeper into our lives. [0003] The current 3D solutions use strip gratings to selectively block pixels, and use optical principles to cause visual differences in the human eye. Finally, people can see a 3D image within a certain viewing angle range of the display screen. figure 1 For the basic binocular parallax principle diagram, figure 2 The principle of realizing 3D display by using the parall...

AI Technical Summary

Problems solved by technology

Some technical solutions realize the switching of 2D / 3D display by adding a controllable liquid crystal grating to the display, or add a guest-host liquid crystal grating to realize the switching of 2D / 3D display, but only when the direction of the line connecting the eyes is perpendicular to the direction of the barrier Stereoscopic images can only be observed, and there are also technical solutions that use box-type parallax barriers and stereoscopic image display devices to display 3D images rotated in the horizontal direction / vertical direction, but there are also the following problems: using two segmented terminals and two The combination of two common terminals controls the liquid crystal display, and the drive is more complicated; when switching the display state of the horizontal / vertical direction, the display state of the fence needs to be changed, and 3D images cannot be displayed in the horizontal / vertical direction at the same time; there is a small gap of about 10um between pixels, The mold opening cost of liquid crystal grating is relatively high; and the above-mentioned gratings all use strip gratings to realize 3D display, and the synthesis method of stereoscopic image pairs is to extract pixels every other column, so that the fineness of the picture is poor

Images