Light diffuser

Details Light diffuser Light diffuser

1985-04-17

1987-02-10

Green, Randall L.

Illumination

Revolving

362328, F21V 704

Patent

active

046427368

ABSTRACT:
An edge-lighting type light diffuser is disclosed which has a plane of light incidence, a light transmitting means and a plane of light emission. The light transmitting means is composed of a laminate of a plurality of light-transmissible plates. This structure provides a light diffuser capable of uniform plane illumination usable for sign boards, large-sized display devices, display devices for various types of machinery, and liquid crystal devices.

REFERENCES:
patent: 2247969 (1941-07-01), Stewart
patent: 2347665 (1944-05-01), Christensen et al.
patent: 2480178 (1949-08-01), Zinberg
patent: 3242328 (1966-03-01), Kapany et al.
patent: 3384986 (1968-05-01), Davis
patent: 3752974 (1973-08-01), Baker et al.

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