Title:
PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/109504
Kind Code:
A1
Abstract:
A projection device (100) having a first mode and a second mode, and comprising a light source apparatus (110), a spatial light modulator (130), a lens (140) and a light quantity control apparatus (120), wherein the light source apparatus (110) is used for emitting light-source light, the light-source light comprises light of multiple colors, and the light of multiple colors at least comprises blue light; the spatial light modulator (130) is used for modulating the light-source light according to image data to generate image light; the lens (140) is used for projecting the image light to display an image; the light quantity control apparatus (120) is disposed in the light source apparatus (110) or between the light source apparatus (110) and the spatial light modulator (130); and the light quantity control apparatus (120) is used for reducing the proportion of blue light or increasing the wavelength coverage range of the blue light when the projection device (100) is in the first mode.
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Inventors:
CHEN HONGYUN (CN)
LI YI (CN)
LI YI (CN)
Application Number:
PCT/CN2018/074721
Publication Date:
June 13, 2019
Filing Date:
January 31, 2018
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/20; H04N5/74; H04N9/31
Foreign References:
| CN106873296A | 2017-06-20 | |||
| CN107229174A | 2017-10-03 | |||
| JP2006330447A | 2006-12-07 | |||
| CN205910485U | 2017-01-25 | |||
| CN103379345A | 2013-10-30 | |||
| CN101221346A | 2008-07-16 |
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