Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-12-17
1996-02-20
Gross, Anita Pellman
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 74, 359 93, G02F 11333
Patent
active
054934290
ABSTRACT:
A color liquid crystal device comprises: a pair of transparent substrates opposing to each other and having electrodes respectively, a plurality of color filters disposed on an inner surface of one of the substrates, a liquid crystal layer disposed between the substrates, a pair of electrodes disposed on the substrates respectively for applying an electric field to the liquid crystal layer thereby to vary a state of molecular orientation of said liquid crystal layer to perform a light modulation. A thickness of the liquid crystal layer is decreased or increased at an overlapping portion of the color filters than the rest portion of said color filters.
REFERENCES:
patent: 4080046 (1978-03-01), Nishizaki
patent: 4385806 (1983-05-01), Fergason
patent: 4443065 (1984-04-01), Funada et al.
patent: 4466702 (1984-08-01), Wiener Avnear et al.
patent: 4533214 (1985-08-01), Penz et al.
patent: 4597637 (1986-07-01), Ohta
patent: 4632514 (1986-12-01), Ogawa et al.
patent: 4701028 (1987-10-01), Clerc et al.
patent: 4776675 (1988-10-01), Takaochi et al.
patent: 4830941 (1989-05-01), Roosen et al.
patent: 4844569 (1989-07-01), Wada et al.
patent: 4904058 (1990-02-01), Kato et al.
patent: 4909606 (1990-03-01), Wada et al.
patent: 4917471 (1990-04-01), Takao et al.
patent: 4929060 (1990-05-01), Sugimoto et al.
patent: 4936654 (1990-06-01), Suzaki et al.
patent: 4946259 (1990-08-01), Matino et al.
patent: 4957349 (1990-09-01), Clerc et al.
patent: 4973137 (1990-11-01), Kozaki et al.
patent: 4984873 (1991-01-01), Takiguchi et al.
patent: 4995704 (1991-02-01), Yamamoto et al.
patent: 5016988 (1991-05-01), Iimura
patent: 5039185 (1991-08-01), Uchida et al.
patent: 5056896 (1991-10-01), Iimura et al.
patent: 5093738 (1992-03-01), Watanabe et al.
patent: 5124818 (1992-06-01), Conner et al.
patent: 5132816 (1992-07-01), Itoh et al.
patent: 5194976 (1993-03-01), Nakano et al.
Iimura et al--"STN-LCD with Improved Viewing Angle Characteristics Using a Birefringent Film" SID 89 Digest--vol. XX--May 1989--pp. 398-401.
Kanemoto Akihiko
Takiguchi Yasuyuki
Duong Tai
Gross Anita Pellman
Ricoh & Company, Ltd.
LandOfFree
Color liquid crystal device having thickness controlling layers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Color liquid crystal device having thickness controlling layers , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color liquid crystal device having thickness controlling layers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1360498