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US 6,784,954 B2Granted
Laminated optical device and liquid-crystal display apparatus
AssigneeNitto Denko Corporation
InventorsTakashi Yamaoka, Hiroyuki Yoshimi, Yuuichi Nishikouji, Tomoaki Masuda
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Abstract
A laminated optical device is a laminate formed of a polarizing layer having a thickness of not larger than 5 μm, and at least one birefringent layer including either a solid film of oriented liquid crystal or a polymer layer containing oriented liquid crystal. A liquid-crystal display apparatus includes a liquid-crystal display panel, and at least one laminated optical device defined above and disposed on one of opposite surfaces of the liquid-crystal display panel.
Claims14
A laminated optical device comprising:
- a polarizing layer formed by coating and having a thickness of not larger than 5 μm;
- and
- at least one birefringent layer laminated on said polarizing layer by coating and having a thickness of not larger than 50 μm, wherein said birefringent layer includes either a solid film of oriented liquid crystal or a polymer layer containing oriented liquid crystal.
A laminated optical device comprising:
- a polarizing layer having a thickness of not larger than 5 μm;
- and
- at least one birefringent layer laminated on said polarizing layer and including either a solid film of oriented liquid crystal or a polymer layer containing oriented liquid crystal,
- wherein said birefringent layer is coated directly on said polarizing layer.
1 more element
Dependencies are inferred from the claim text.