Invention Grant
- Patent Title: Transmission type screen and method of manufacturing thereof
- Patent Title (中): 透射型屏幕及其制造方法
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Application No.: US974524Application Date: 1992-11-12
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Publication No.: US5434706APublication Date: 1995-07-18
- Inventor: Katsuaki Mitani , Noboru Yasumatsuya , Ichiro Matsuzaki , Hiroshi Kuwada
- Applicant: Katsuaki Mitani , Noboru Yasumatsuya , Ichiro Matsuzaki , Hiroshi Kuwada
- Applicant Address: JPX Osaka JPX Okayama
- Assignee: Matsushita Electric Industrial Co., Ltd.,Kuraray Co., Ltd.
- Current Assignee: Matsushita Electric Industrial Co., Ltd.,Kuraray Co., Ltd.
- Current Assignee Address: JPX Osaka JPX Okayama
- Priority: JPX3-300592 19911115; JPX3-300595 19911115; JPX3-300605 19911115
- Main IPC: G03B21/62
- IPC: G03B21/62 ; G03B21/60
Abstract:
A lenticular lens provided on the viewer side of a transmission type screen is composed of at least two layers, that is, a surface layer and a base layer at least one of which contains a light dispersing material, and a visible light absorbing material is mingled in at least one of these two layers, or in the light dispersing material, thereby enhancing the image contrast of the transmission type screen.
Public/Granted literature
- US6155567A Method of playing a game with a deck of cards Public/Granted day:2000-12-05
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