Grating driving circuit, driving method and naked-eye 3D display
A grating drive and grating technology, applied in the direction of instruments, optics, electrical components, etc., can solve the problems of inconvenient use and large limitations for users, and achieve the effects of reduced 3D crosstalk, improved 3D effect, and adjustable viewing distance
Active Publication Date: 2020-12-08
BOE TECH GRP CO LTD
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Problems solved by technology
In a stereoscopic display technology, users need to use external auxiliary tools such as polarized glasses, complementary color glasses, liquid crystal glasses, etc. to watch stereoscopic images. This method has relatively large limitations and is not very convenient for users to use.
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[0048] In order to better understand the purpose, technical solutions and advantages of some embodiments, these embodiments will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0049] figure 1 The 3D display principle of the naked-eye 3D display is schematically shown. The naked-eye 3D display includes a 2D display screen and a grating. Here, the grating may be a liquid crystal grating or a grating formed of an electrochromic material. like figure 1 As shown, the 2D display can display the visual figure 1 And as figure 2 , the view figure 1 And as figure 2 spaced apart from each other, adjacent visual figure 1 And as figure 2 There are small differences between them. The grating includes a grating opening W w and grating shading part W b . Through the grating opening W w , the left eye of the human eye can see the visual figure 1 , can't see figure 2 , while the right eye can see the v...
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The present disclosure provides a grating drive circuit, including: a grating, including a plurality of grating units whose opening and closing states can be controlled by a grating driving signal; a viewpoint tracker, which can be configured to determine the viewing distance S of the audience; a plurality of gratings Each grating control electrode can be configured to control the opening and closing state of the corresponding grating unit in the grating according to the grating driving signal; the grating driving signal generator can be configured to generate multiple grating driving signal groups , each grating driving signal group corresponds to a viewing distance and includes a plurality of grating driving signals; and a grating driving controller, which can be configured to determine a grating driving signal group corresponding to the viewing distance, and is configured to form The grating period corresponding to the viewing distance, each grating period includes a plurality of grating control electrodes, and the plurality of grating control electrodes correspond to the plurality of grating driving signals one by one.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a grating driving circuit, a driving method and a naked-eye 3D display. Background technique [0002] With the development of science and technology and the improvement of the quality of life, people are no longer satisfied with traditional two-dimensional image display, and stereoscopic display technology has become an attractive technology field today. In a stereoscopic display technology, users need to use external auxiliary tools such as polarized glasses, complementary color glasses, liquid crystal glasses, etc. to watch stereoscopic images. This method has relatively large limitations and is not very convenient for users to use. [0003] There is also a stereoscopic display technology, that is, naked-eye 3D (three-dimensional) display technology. Glasses-free 3D display technology is developed based on binocular parallax, and mainly includes grating stereoscopic display t...
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IPC IPC(8): G02B30/30
CPCG02F1/292G02B30/31G02B27/0093H04N13/376H04N13/31G02B30/40G06F3/013
Inventor 杨明陈小川赵文卿陈祯祐朱劲野
Owner BOE TECH GRP CO LTD