Transmission-type display device with a heat-dissipating glass p

Details Transmission-type display device with a heat-dissipating glass p Transmission-type display device with a heat-dissipating glass p

1996-10-11

1998-05-26

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349122, 349158, 349161, G02F 11335, G02F 11333

Patent

active

057574430

ABSTRACT:
A transmission-type display device including: a first transparent substrate having pixel electrodes and switching elements formed thereon, each of the pixel electrodes being connected to the respective switching element; a second transparent substrate having a counter electrode formed thereon and being positioned opposite to the first transparent substrate in such a manner as to leave a gap therebetween; a liquid crystal layer held in the gap between the first transparent substrate and the second transparent substrate; and a heat-dissipating glass plate of a thermal conductivity of 1 W/m.multidot.K or more and a thickness of 1 mm or more arranged at the outer surface of at least the first transparent substrate constructed in such a manner that picture quality does not deteriorate even if dust becomes attached to the liquid crystal panel or lens. Instead, the heat-dissipating glass plate can be bonded to the outer surface of the first transparent substrate in such a manner as to leave a gap of width of 2 mm or less between the heat-dissipating glass plate and the first transparent substrate.

REFERENCES:
patent: 4690511 (1987-09-01), Watanabe
patent: 4715686 (1987-12-01), Iwashita et al.
patent: 4994672 (1991-02-01), Cross et al.
patent: 5012274 (1991-04-01), Dolgoff
patent: 5170194 (1992-12-01), Kurematsu et al.
patent: 5233459 (1993-08-01), Bozler et al.
patent: 5282121 (1994-01-01), Bornhorst et al.

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