Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Patent
1993-10-05
1995-08-08
Brinich, Stephen
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
359 49, G02F 1133
Patent
active
054401976
ABSTRACT:
A light source having a light bulb disposed within a cavity having diffusely reflecting walls and an aperture for backlighting a display is disclosed. The ratio of aperture area to cavity surface area is maximized. A diffuser and brightness enhancing film are situated at the opening of the aperture between the aperture and the display to be backlit. A color filter may also be employed to whiten the light emerging from the light source.
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Brinich Stephen
TIR Technologies, Inc.
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