Optics: image projectors – Plural projection paths with single light source
Patent
1988-03-28
1990-03-06
James, Andrew J.
Optics: image projectors
Plural projection paths with single light source
350332, 350334, 350336, 353 20, 353 31, 353 97, 353122, G02F 113
Patent
active
049060716
ABSTRACT:
The invention relates to a liquid crystal display device and a projection TV using same. The liquid crystal display device has microfine conductive bumps formed on terminals of a liquid crystal display panel, and a conductive joint layer formed on each conductive bump. The display panel is connected to wiring leads formed on a substrate provided thereon an IC drive circuit. The projection TV employs a liquid crystal display device in which three liquid crystal display panels corresponding to three colors, red, green, and blue, are mounted on a single substrate. Light beams are made incident on the respective panels, and light beams transmitted through or reflected from specified pixels are projected on a screen to form an image.
REFERENCES:
patent: 4058970 (1977-11-01), Ichinose
patent: 4362903 (1982-12-01), Eichelberger et al.
patent: 4408836 (1983-10-01), Kikuno
Horio Yasuhiro
Miyatake Yoshito
Noda Hitoshi
Takahara Hiroshi
Takeda Mamoru
Gallivan Richard
James Andrew J.
Matsushita Electric - Industrial Co., Ltd.
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