Multi-area liquid crystal display device based on area control
A liquid crystal display device and area control technology, applied in the field of 3D display, can solve the problems of low resolution and high cross-image
Inactive Publication Date: 2019-09-06
NANJING UNIV
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The parallax barrier type stereo is mainly realized by slit grating or lenticular lens grating. Different images are projected to different viewing areas by occlusion, and there are common problems such as low resolution and high cross-image
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] This embodiment provides a multi-zone liquid crystal display device based on zone control. like figure 2 As shown, the video source sends stereoscopic video data to the liquid crystal display panel through the video transmission channel, and the regional controller judges the states of different display regions according to the display signals of the liquid crystal display panel. Wherein, there are N display areas in total, and there are N lighting ar...
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The invention provides a multi-area liquid crystal display device based on area control, and relates to the technical field of three-dimensional display. The device is used for improving the problemsof image brightness reduction and crosstalk increase caused by backlight extinguishment when multi-area backlight is adopted. The multi-area liquid crystal display device based on area control is usedfor multi-area backlight 3D display equipment and comprises a liquid crystal display panel, a multi-area backlight module and an area controller. The liquid crystal display panel comprises a plurality of display areas arranged in a block mode, and the multi-area backlight module comprises a plurality of illumination areas arranged in a block mode. The display areas of the liquid crystal display panel and the illumination areas of the backlight module are in one-to-one correspondence, one display area corresponds to one illumination area, and the area controller drives the corresponding illumination area to emit light according to the state of the display area. The process comprises: obtaining the state of a first display area of the liquid crystal display panel; and controlling the corresponding illumination area according to the state of the first display area; acquiring the state of a second display area of the liquid crystal display panel; and controlling the corresponding illumination area according to the state of the second display area; acquiring the states of the rest display areas of the liquid crystal display panel one by one; and controlling the corresponding illumination area according to the state of the corresponding display area until all the display areas are displayed.
Description
technical field [0001] A multi-region liquid crystal display device based on region control belongs to the technical field of 3D display. Background technique [0002] 3D display technology can realistically display three-dimensional scenes, and has its unique advantages in film and television, entertainment, endoscopic medical treatment, etc. Its main principle is to use the left and right sides of the human eye to receive images with a certain parallax, and synthesize them in the visual center of the human brain to form an image with a three-dimensional effect. Naked-eye stereo and assisted stereo are two main development directions. [0003] Auxiliary stereo mainly uses equipment such as switching glasses to realize the separation of stereoscopic left and right image pairs. Because it needs to wear special auxiliary equipment, the user experience is slightly poor. The advantage is high resolution and extremely low crosstalk. At present, the commonly used switching glas...
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IPC IPC(8): G09G3/34
CPCG09G3/342
Inventor 徐斌王元庆吴勤勤
Owner NANJING UNIV