发明名称 |
TRANSMISSION TYPE SCREEN AND REAR PROJECTION TYPE DISPLAY DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide a transmission type screen in which scintillation is improved and which can display a favorable image, and a rear projection type display device provided with the same.SOLUTION: A transmission type screen 10 includes: a lens layer 24 which has a curvature shape as if a screen surface forms a curved surface, which is provided on a light incoming side of image light and which has a Fresnel lens shape that deflects the travelling direction of the image light; a light control layer 32 which is provided on a light outgoing side from the lens layer 24, in which a light transmission part 323 transmitting light and a light absorption part 324 absorbing light are arranged alternately along the screen surface and a cross-sectional shape of the light absorption part 324 is substantially wedge-shaped; a first diffusion layer 22 which is provided on the light incoming side from the light control layer 32 and which has a light diffusing action; and a second diffusion layer 33 which is provided on the light outgoing side from the light control layer 32, which has a light diffusing action and whose haze value is larger than that of the first diffusion layer 22. |
申请公布号 |
JP2013257496(A) |
申请公布日期 |
2013.12.26 |
申请号 |
JP20120134763 |
申请日期 |
2012.06.14 |
申请人 |
DAINIPPON PRINTING CO LTD |
发明人 |
SAKONAKA KAZUYUKI;HIROMITSU REI;HASHIGUCHI AKINORI |
分类号 |
G03B21/60;G02B3/08;G02B5/00;G02B5/02;H04N5/74 |
主分类号 |
G03B21/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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