Surface light source with photonic crystal LED

Details Surface light source with photonic crystal LED Surface light source with photonic crystal LED

2007-12-18

2007-12-18

Whitehead, Carl (Department: 2813)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

C257SE33067, C977S950000

Reexamination Certificate

active

11093522

ABSTRACT:
A backlight system (20) includes a light guide plate (220), a reflector (230) disposed below the light guide plate, and an LED (210) emitting light beams into the light guide plate. The LED includes an LED chip (213), which has a base (2131), a film layer (2132), a protecting layer (2133), and an organic layer (2134) sequentially stamped on a first electrode (212) from bottom to top. The LED chip further has an optical crystal structure including a plurality of micro-holes (2135) which run through the film layer, the protecting layer and the organic layer.

REFERENCES:
patent: 6586874 (2003-07-01), Komoto et al.
patent: 7166871 (2007-01-01), Erchak
patent: 2003/0141507 (2003-07-01), Krames et al.
patent: 2005/0173717 (2005-08-01), Lee et al.
patent: 2496052 (2002-06-01), None
patent: 1426117 (2003-06-01), None

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