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Band-pass color wheel device for three-dimensional stereoprojection display

A projection display and three-dimensional technology, applied in stereo photography, installation, photography, etc., can solve the problems of large light loss, inconsistency of stereo distinction, high requirements for color segmentation balance and accuracy, and achieve avoidance of ghosting, accurate The effects of improved performance and reduced overlapping bands

Inactive Publication Date: 2011-03-30
上海华博数码科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current spectral separation technology has a large light loss, and has high requirements for the balance and accuracy of color segmentation, otherwise it will cause inconsistent stereo distinction
On the other hand, the production cost of multi-bandpass filters with good optical performance is also high

Method used

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  • Band-pass color wheel device for three-dimensional stereoprojection display
  • Band-pass color wheel device for three-dimensional stereoprojection display
  • Band-pass color wheel device for three-dimensional stereoprojection display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 In this implementation, there are two color wheels that can rotate around the center: color wheel 1 and color wheel 2, and each color wheel is inlaid with an R color bandpass filter 3, a G color bandpass filter 4 and 5 color band-pass filters 12; the band-pass bands of the band-pass filters on the two color wheels are complementary. The sequence of the three bandpass filters can be GRB.

[0023] Each color wheel is divided into three parts, inlaid with R, G, and B bandpass filters respectively, and the color wheel can rotate around its center. When in use, the color wheel rotates so that the beams irradiated on it pass through a band-pass band of R, G, and B respectively at different times. For a pair of band-pass color wheel devices, respectively generate R1, G1, B1 cyclic sequences and Bandpass beams of R2, G2, B2 cyclic sequence, such as image 3 shown. The two columns of bandpass bands are complementary, such as Figure 4 As shown in FIG. 2 , t...

Embodiment 2

[0025] Such as figure 2 , this embodiment includes two color wheels that can rotate around the center: color wheel 1 and color wheel 2, and each color wheel is inlaid with two R color bandpass filters 3 and two G color bandpass filters Sheet 4 and two B-color bandpass filters 5. The arrangement order of the six bandpass filters can be GRBGRB.

[0026] Each color wheel is divided into six parts, inlaid with 2 sets of identical R, G, B band-pass filters respectively, and the color wheel can rotate around its center. When in use, the color wheel rotates so that the beams irradiated on it pass through a band-pass band of R, G, and B respectively at different times. For a pair of band-pass color wheel devices, respectively generate R1, G1, B1 cyclic sequences and Bandpass beams of R2, G2, B2 cyclic sequence, such as image 3 shown. The two columns of bandpass bands are complementary, such as Figure 4 As shown in FIG. 2 , three-dimensional projection display can be performed ...

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Abstract

The invention relates to a band-pass color wheel device for three-dimensional stereoprojection display, which comprises two color wheels capable of rotating around the centre, each color wheel is inlayed with at least an R color band-pass optical filter, a G color band-pass optical filter and a B color band-pass optical filter. Compared with prior art, the invention has the advantages of simple manufacture, low cost and good projection effect.

Description

technical field [0001] The invention relates to the field of three-dimensional projection display, in particular to a band-pass color wheel device for three-dimensional projection display. Background technique [0002] At present, the mainstream stereoscopic projection technology put into commercial operation can be divided into three categories: active stereoscopic display system, passive polarization stereoscopic display system and spectral separation stereoscopic display system. [0003] Active stereo uses a projector with a refresh rate of about 120Hz to alternately output left and right eye images, and cooperates with LCD stereoscopic glasses that can be switched left and right alternately to realize the separation of left and right eye images, and the stereo effect is very good. However, the cost of the active stereoscopic glasses is high, and the frequent switching and flickering of the stereoscopic glasses will bring discomfort to the eyes, and the brightness loss af...

Claims

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Application Information

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IPC IPC(8): G02B7/00G03B35/20
Inventor 王薇寇懿程文周军明张权洪一农刘亮
Owner 上海华博数码科技有限公司
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