Compact lighting system and display device

Details Compact lighting system and display device Compact lighting system and display device

2007-09-11

2007-09-11

Ward, John Anthony (Department: 2885)

Illumination

Edge lighted panel

C362S612000, C385S034000, C385S131000, C385S901000

Reexamination Certificate

active

10505247

ABSTRACT:
A compact backlight system for illuminating a display device has a front wall and a rear wall situated opposite thereto. At least one light source comprising a light-emitting diode is provided with a translucent lens-shaped cover. The system has at least one light input structure for coupling light from the light source into the light-emitting panel. During operation, light originating from the light source is incident on the light input structure and distributes itself in the light-emitting panel. According to the invention the light input structure is conically or frustoconically shaped towards the light source. The thickness dpof the light-emitting panel is smaller than the diameter dcof the translucent lens-shaped cover of the light source. Preferably, the light input structure is of prismatic or pyramidal shape.

REFERENCES:
patent: 4883333 (1989-11-01), Yanez
patent: 5555161 (1996-09-01), Roe et al.
patent: 5590945 (1997-01-01), Simms
patent: 5921652 (1999-07-01), Parker et al.
patent: 0 962 694 (1999-12-01), None
International Search Report, 3 pages.

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