LCD, light source, and hemispheric concave reflector mounted ind

Details LCD, light source, and hemispheric concave reflector mounted ind LCD, light source, and hemispheric concave reflector mounted ind

1995-03-21

1996-11-05

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 83, 359630, 359631, 353 98, 362268, 362293, 362308, 362350, G02F 11335, G02F 11333, G02B 2714, G03B 2128

Patent

active

055723420

ABSTRACT:
A liquid crystal displaying device uses an inexpensive incandescent lamp or xenon lamp without sacrificing luminous intensity of a reflector, while maintaining an ease of installation. In the displaying device, a liquid crystal displaying panel, an incandescent lamp, a reflector, a lens and a heat-ray absorbing filter have a common optical axis and are secured to a bracket. The lamp is held by a socket and installed on the bracket transversely to the optical axis of the reflecting surface of the reflector. Further, the liquid crystal displaying panel has polarizing plates on both sides thereof. A coating to diffuse light from the lamp is disposed on one of the polarizing plates on the light incident side of the displaying panel. The polarizing direction of the polarizing plate on the other side of the displaying panel is selected so that the polarizing direction of the incident light waves on a reflective layer which is disposed on the front windshield glass provides a transversal or horizontal wave.

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patent: 5459539 (1995-10-01), Yamamoto
Patent Abstract of Japan, vol. 17 No. 521 (E-1435) Sep. 1993 re JP-A 05-137039.

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