Diffusion optical guide plate, and backlight source and liquid c

Details Diffusion optical guide plate, and backlight source and liquid c Diffusion optical guide plate, and backlight source and liquid c

1997-09-12

1999-09-21

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

349 62, 349 65, 362 26, 362 31, G02F 11335, G01D 1128, F21V 704

Patent

active

059561076

ABSTRACT:
The diffusion optical guide plate of this invention includes a transparent plate having the first plane, the second plane and side faces; and a light scattering controlling means for scattering incident light from said side face so as to allow the light to go out through the second plane, and transmitting incident light from said first plane so as to allow the light to go out through said second plane.

REFERENCES:
patent: 4729067 (1988-03-01), Ohe
patent: 4775222 (1988-10-01), Ohe
patent: 5394255 (1995-02-01), Yokota et al.
patent: 5521797 (1996-05-01), Kashima et al.
patent: 5600462 (1997-02-01), Suzuki et al.
patent: 5748828 (1998-05-01), Steiner et al.
patent: 5816677 (1998-10-01), Kurematsu et al.

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