Optical: systems and elements – Polarization without modulation – Polarizarion by dichroism
Patent
1997-10-17
2000-09-26
Chang, Audrey
Optical: systems and elements
Polarization without modulation
Polarizarion by dichroism
359497, 359498, 349 62, 349 64, 349 96, 349114, G02B 530, G02B 2728, G02F 11335
Patent
active
061249718
ABSTRACT:
A transflector is described which increases efficiency and brightness under both ambient and supplemental lighting conditions in visual display applications. In one embodiment, the transflector includes a reflective polarizing element that reflects one polarization of light and transmits the other. In an alternate embodiment, the transflector includes a reflective polarizing element and a diffusing element such that the transflector diffusely reflects light of one polarization and transmits the other. The transflector is useful for both reflective and transflective liquid crystal displays.
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Cobb, Jr. Sanford
Cull Brian D.
Ouderkirk Andrew J.
Weber Michael F.
Wortman David L.
3M Innovative Properties Company
Chang Audrey
Miller William D.
Pechman Robert J.
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