Light source and display

Details Light source and display Light source and display

1995-10-20

2000-05-09

Sanghavi, Hemang

Optical waveguides

Optical fiber bundle

385146, 385901, 385 31, 362551, 313115, G02B 600

Patent

active

060614897

ABSTRACT:
A light source comprises an array of contiguous transparent blocks, each of which contains a light emitter such as a cold cathode fluorescent tube. The blocks have a transparent front surface which may be optically diffusing, the other surfaces being coated with a thin optically reflective layer so that each block acts as a light guide. The tubes are independently controllable, for instance so as to simulate a moving light source which may be controlled so as to track the position of an observer of a 3D display.

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