Planar light source unit

Details Planar light source unit Planar light source unit

1999-06-04

2000-10-31

Sember, Thomas M.

Illumination

Revolving

362298, F21V 700

Patent

active

061391638

ABSTRACT:
A transparent planar light leading plate is provided adjacent to a light source, and a hole is formed in the light leading plate at a position opposite to the light source. The hole has an inverted triangular shape, opposite sides of the hole are provided for reflecting light beams emitted from the light source.

REFERENCES:
patent: 3609960 (1971-10-01), Huther
patent: 4860170 (1989-08-01), Sakakibara et al.
patent: 5083240 (1992-01-01), Pasco
patent: 5515244 (1996-05-01), Levins et al.
patent: 5727862 (1998-03-01), Wu
patent: 5746493 (1998-05-01), Jonsson et al.
patent: 6065845 (2000-05-01), Miyazaki

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