Optical laminated bodies, lighting equipment and area luminescence equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 6, 2005
Grant Date -
N/A
app pub date -
Jun 8, 2000
filing date -
Jun 9, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Lighting devices are disclosed that include optical laminated bodies. An exemplary optical laminated body includes a polarizing layer, a first transparent film disposed closely to a front surface of the polarizing layer and a second transparent film disposed closely to a back surface of the polarizing layer. The polarizing layer includes a reflective polarizing film, and both of the first transparent film and the second transparent film are diffusive films. The lighting devices further include a light source supplying light to the optical laminated body through a light entry surface of the first transparent film of the optical laminated body and a lens film disposed between the light source and the optical laminated body. The lighting device provides diffused-polarized light emitted from a light emitting surface of the second transparent film of the laminated body.
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