Flat-panel display device, illumination system comprises a secon

Details Flat-panel display device, illumination system comprises a secon Flat-panel display device, illumination system comprises a secon

1994-07-01

1995-12-19

Sikes, William L.

Illumination

Revolving

362217, 359 49, 359 83, F21V 704, F21S 300, G02F 11335, G02F 11333

Patent

active

054774233

ABSTRACT:
The invention relates to a flat-panel display device (1) which is illuminated by a plate-shaped waveguide (7) which is irradiated by a radiation source (15) at one end face (25). The radiation source (15) is arranged in a reflective lighthousing (13), a first part (17) of which is an integral part of a support (3) and a second part (19) is detachable so that the radiation source (15) can be replaced with recesses in the lighthousing, so that the radiation source (15) is space apart from the reflector (29) and at a distance d from the waveguide (7). FIG. 1.

REFERENCES:
patent: 4985809 (1991-01-01), Matsui et al.

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