发明授权
- 专利标题: Light diffuser with variable diffusion
- 专利标题(中): 具有可变扩散的光扩散器
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申请号: US10147703申请日: 2002-05-16
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公开(公告)号: US06846098B2公开(公告)日: 2005-01-25
- 发明人: Robert P. Bourdelais , Cheryl J. Kaminsky
- 申请人: Robert P. Bourdelais , Cheryl J. Kaminsky
- 申请人地址: US NY Rochester
- 专利权人: Eastman Kodak Company
- 当前专利权人: Eastman Kodak Company
- 当前专利权人地址: US NY Rochester
- 代理商 Arthur E. Kluegel
- 主分类号: F21V8/00
- IPC分类号: F21V8/00 ; G02B5/02 ; G02F1/1335 ; F21V5/02
摘要:
A light diffuser comprises a film bearing a macro diffusion efficiency variation in which the efficiency variation is greater than 5% between two locations that are separated by at least 2 cm where the diffuser comprises a base and a plurality of convex or concave complex lenses on the surface of the base.
公开/授权文献
- US20030214812A1 Light diffuser with variable diffusion 公开/授权日:2003-11-20
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