Reflective liquid crystal display device having front scattering films
First Claim
1. A reflective liquid crystal display device comprising a polarizer, zero, one or a plurality of retardation films, a scattering film layer formed by laminating a plurality of front scattering films strong in front scattering characteristic and almost free from back scattering characteristic, and a liquid crystal cell having a mirror reflector, wherein at least one of said front scattering films for forming said scattering film layer has its scattering angle range asymmetrical to the normal direction of the film.
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Accused Products
Abstract
A reflective liquid crystal display device comprising a polarizer, a retardation film, a front scattering film layer, and a liquid crystal cell having a mirror reflector, in which the front scattering film layer includes at least one film of which scattering angle range is asymmetrical to the normal direction of film. A plural front scattering films of which scattering angle range is asymmetrical to the film normal are laminated so that the projection direction onto the film surface in the central angle direction of the scattering angle range may be different. At least one of the scattering films for composing the scattering film layer is a front scattering film for scattering more strongly the transmission light from the second incident angle region not containing the film normal direction than the transmission light from the first incident angle region containing the film normal direction.
46 Citations
19 Claims
- 1. A reflective liquid crystal display device comprising a polarizer, zero, one or a plurality of retardation films, a scattering film layer formed by laminating a plurality of front scattering films strong in front scattering characteristic and almost free from back scattering characteristic, and a liquid crystal cell having a mirror reflector, wherein at least one of said front scattering films for forming said scattering film layer has its scattering angle range asymmetrical to the normal direction of the film.
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2. A reflective liquid crystal display device comprising a polarizer, zero, one or a plurality of retardation films, a scattering film layer formed by laminating a plurality of front scattering films strong in front scattering characteristic and almost free from back scattering characteristic, and a liquid crystal cell having a mirror reflector, wherein all of said front scattering films for forming said scattering film layer have their scattering angle ranges asymmetrical to the normal direction of each film.
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9. A reflective liquid crystal display device comprising a liquid crystal cell having liquid crystal charged between a pair of substrates, a polarizer disposed at the side of one substrate of said liquid crystal cell, a retardation film disposed between said polarizer and said liquid crystal cell, a scattering film layer disposed at the side of said one substrate, and a mirror reflector disposed at the side of said other substrate of said liquid crystal cell,
wherein said scattering film layer has an incident angle region for scattering the transmission light more strongly than the incidence from the film layer normal direction.
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10. A reflective liquid crystal display device comprising a liquid crystal cell having liquid crystal charged between a pair of substrates, a polarizer disposed at the side of one substrate of said liquid crystal cell, a retardation film disposed between said polarizer and said liquid crystal cell, a scattering film layer disposed at the side of said one substrate, and a mirror reflector disposed at the side of said other substrate of said liquid crystal cell,
wherein said scattering film layer includes a scattering film for scattering the transmission light from a second incident angle region not including the film normal direction more strongly than the transmission light from a first incident angle region including the film normal direction.
Specification