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公开(公告)号：EP1173783B1
公开(公告)日：2004-09-29
申请号：EP99938854.9
申请日：1999-07-29
发明人： ALLEN, Richard, C. , COBB, Sanford, Jr. , CROSS, Elisa, M. , NEVITT, Timothy, J. , OUDERKIRK, Andrew, J. , TABAR, Ronald, J. , WORTMAN, David, L. , KENT, Susan, I.
IPC分类号： G02B5/30 , G02F1/1335 , F21V8/00
CPC分类号： G02B6/0056 , G02B5/0236 , G02B5/0278 , G02B5/0284 , G02B5/3033 , G02B5/3041 , G02B6/0046 , G02B6/0051 , G02B6/0053 , G02B27/283 , G02F1/133504 , G02F1/133536 , Y10S385/901
摘要： Optical devices using reflective polarizers and, in particular, diffusely reflective polarizers are provided. Many of the optical devices utilize the diffusely reflecting and specularly transmitting properties of diffusely reflecting poarizers to enhance their optical characteristics. The optical devices include a lighting system which uses a reflector formed from a diffusely reflecting polarizer attached to a specular reflector. Another optical device is a display apparatus which uses a diffusely reflecting polarizer layer in combination with a turning lens which folds shallow angle light toward a light modulating layer. Other optical devices exploit the depolarizing characteristics of a diffusely reflecting polarizer when reflecting light. Still other optical devices use diffusely reflecting poarizers to recycle light and improve display illumination.
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公开(公告)号：EP1173783A1
公开(公告)日：2002-01-23
申请号：EP99938854.9
申请日：1999-07-29
发明人： ALLEN, Richard, C. , COBB, Sanford, Jr. , CROSS, Elisa, M. , NEVITT, Timothy, J. , OUDERKIRK, Andrew, J. , TABAR, Ronald, J. , WORTMAN, David, L. , KENT, Susan, I.
IPC分类号： G02B5/30 , G02F1/1335 , F21V8/00
CPC分类号： G02B6/0056 , G02B5/0236 , G02B5/0278 , G02B5/0284 , G02B5/3033 , G02B5/3041 , G02B6/0046 , G02B6/0051 , G02B6/0053 , G02B27/283 , G02F1/133504 , G02F1/133536 , Y10S385/901
摘要： Optical devices using reflective polarizers and, in particular, diffusely reflective polarizers are provided. Many of the optical devices utilize the diffusely reflecting and specularly transmitting properties of diffusely reflecting poarizers to enhance their optical characteristics. The optical devices include a lighting system which uses a reflector formed from a diffusely reflecting polarizer attached to a specular reflector. Another optical device is a display apparatus which uses a diffusely reflecting polarizer layer in combination with a turning lens which folds shallow angle light toward a light modulating layer. Other optical devices exploit the depolarizing characteristics of a diffusely reflecting polarizer when reflecting light. Still other optical devices use diffusely reflecting poarizers to recycle light and improve display illumination.
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