Light valve type stereo display structure

Abstract

The invention discloses a light valve type stereo display structure, belonging to the field of electronic display. The light valve type stereo display structure mainly comprises a backlight unit (1), a light valve system (2), a color filtering layer (3) and a lens layer (4). A backlight system is composed of a luminous device and a control circuit and used for generating a plane light source of which the color and brightness are adjustable in certain range of a space domain and a time domain. The luminous device can be a point light source array combined with a uniform light sheet. The light valve system is used for accurately controlling the backlight passing rate of each pixel on corresponding position within corresponding time. The light valve system can be realized by a liquid crystal, electrowetting or micro-mirror array, and the light transmittance of each pixel point is controlled by an auxiliary circuit. The color filtering layer enables full spectrum to pass or selects part of the spectrum to pass. The lens layer is used for controlling the light path to form parallax error between left and right eyes and realize stereo display. The backlight system, the light valve system and the lens array coordinate to work and are used for two-dimensional or three-dimensional image or video display.

Description

technical field [0001] The invention relates to a light valve type stereoscopic display structure, which belongs to the technical field of electronic information display. Background technique [0002] Traditional liquid crystal displays use color filters to form red, green, and blue primary color pixels, and then perform color display through spatial color mixing. This display method is currently widely used because of its relatively mature technology: including general flat panel display and stereoscopic display. But this display method is not a perfect display mode, mainly in two aspects: one is the low light efficiency, because the light transmittance of the color filter is about one-third, that is to say, about two-thirds Second, the spatial resolution is relatively low, because spatial color mixing is used, and each effective pixel is composed of three sub-pixels, so the actual resolution is one-third of the driveable pixels. [0003] The current three-dimensional dis...

AI Technical Summary

Problems solved by technology

But this display method is not a perfect display mode, mainly in two aspects: one is the low light efficiency, because the light transmittance of the color filter is about one-third, that is to say, about two-thirds The light is absorbed by the color filter and wasted; the second is that the spatial resolution is relatively low, because the spatial color mixing is used, and each effective pixel is composed of three sub-pixels, so the actual resolution is one-third of the driveable pixels

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