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Naked eye stereoscopic display device based on liquid crystal light valve curtain device

A technology of liquid crystal light valve and naked-eye stereo, which is applied in the direction of stereo system, optics, optical components, etc., can solve the problem of display resolution loss and achieve the effect of avoiding resolution loss

Inactive Publication Date: 2012-02-29
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a naked-eye stereoscopic display device based on a liquid crystal light valve curtain device, which uses high-brightness digital image sources, combined gratings, three-box liquid crystal light valves, etc. to realize the display of three-dimensional information, and realizes the separation of the left and right eyes by time division Display, to solve the problem of display resolution loss in the prior art stereoscopic display

Method used

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  • Naked eye stereoscopic display device based on liquid crystal light valve curtain device
  • Naked eye stereoscopic display device based on liquid crystal light valve curtain device

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Embodiment Construction

[0014] Such as figure 1 shown. In the present invention, the high-brightness digital image source 1 adopts a high-brightness LCOS image source based on an LED backlight to display stereoscopic display information, which is a high-frequency parallax image for left and right eyes. The combined grating 2 is used to transform the spatial light field distribution. The convex lens 3 forms a virtual image on the transformed spatial light field. The three-box liquid crystal light valve 4 works in two states of high reflection and high transmission. When no voltage is applied, the light valve is transparent to light. When voltage is applied, the light valve only reflects light. For the single-layer liquid crystal light valve 5 with a polarizer, after the driving voltage is applied, the polarization state of the light passing through it changes by 45 degrees. The driving frequency of the three-cell liquid crystal light valve 4 and the single-layer liquid crystal light valve 5 is requ...

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Abstract

The invention discloses a naked eye stereoscopic display device based on a liquid crystal light valve curtain device. The naked eye stereoscopic display device comprises a high-luminance digital image source, a combined optical grating, a three-box liquid crystal light valve, a lens group, a single-layer liquid crystal light valve stuck with a polaroid sheet, and a reflecting mirror, wherein the high-luminance digital image source and the combined optical grating are positioned in a focus range of the lens group; the plane in which the three-box liquid crystal light valve is positioned and the combined optical grating form a certain angle; the single-layer liquid crystal light valve, the reflecting mirror, and the three-box liquid crystal light valve are arranged at certain angles; and the reflecting mirror is positioned on the rear side of the single-layer liquid crystal light valve and attached to the single-layer liquid crystal light valve. The naked eye stereoscopic display devicecan separate left eye images from right eye images to realize stereoscopic display, so that a phenomenon of resolution loss in the stereoscopic display can be avoided.

Description

technical field [0001] The invention relates to the field of stereoscopic display devices, in particular to a naked-eye stereoscopic display device based on a liquid crystal light valve curtain device. Background technique [0002] The application of 3D display is becoming more and more extensive. In the prior art, there are two types of parallax-based naked-eye stereoscopic display devices used in 3D display technology: parallax barrier (front and rear) and lenticular display devices. [0003] The parallax barrier stereoscopic display technology uses a series of light-shielding stripes arranged in the vertical direction between the backlight module and the LCD panel to form a parallax barrier, which separates the images of the left eye and the right eye, so that 3D images can be obtained, and some programs install the parallax barrier in the LCD front. At present, the parallax barrier is generally realized by liquid crystal, which can control the switch of the parallax bar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/26G02F1/1335G02F1/133H04N13/00G02B30/25
Inventor 胡跃辉尹静吕国强吴娟
Owner HEFEI UNIV OF TECH
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