Lighting device with linear light sources

Details Lighting device with linear light sources Lighting device with linear light sources

2005-06-21

2005-06-21

O'Shea, Sandra (Department: 2875)

Illumination

Revolving

C362S027000, C362S223000, C362S307000

Reexamination Certificate

active

06908205

ABSTRACT:
A lighting device is described with an optical waveguide plate that has a light emission surface and a plurality of channels each with at least one substantially linear light source. The device is suitable in particular for use as a backlight in a liquid crystal display, such as an LCD picture screen, or for use as a planar light source. The channels are provided with a reflecting first layer at their upper sides facing the light emission surface. The coupling of light into the optical waveguide plate takes place through side walls of the channels.

REFERENCES:
patent: 6295105 (2001-09-01), Lee et al.
patent: 6412969 (2002-07-01), Torihara et al.
patent: 2001/0043294 (2001-11-01), Bechtel et al.
patent: 2002/0001184 (2002-01-01), Kim et al.
patent: 527238 (1993-05-01), None

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