Compact LED module and projection display adopting the same

Details Compact LED module and projection display adopting the same Compact LED module and projection display adopting the same

2006-06-13

2006-06-13

Perkey, W. B. (Department: 2851)

Optics: image projectors

Reflector

Plural

C353S097000, C385S901000, C385S146000, C362S026000, C362S551000

Reexamination Certificate

active

07059731

ABSTRACT:
A compact light source module includes a compact light source and a collimator that includes a parabolic first reflective surface to reduce a radiation angle at which a light beam radiates from the compact light source, so as to emit the light beam through a side aperture and a plane second reflective surface which is located under the first reflective surface and comprises an incident portion through which the light beam radiates from the compact light source. The compact light source is located in the vicinity of a focal point of the first reflective surface.

REFERENCES:
patent: 5146248 (1992-09-01), Duwaer et al.
patent: 2002/0071274 (2002-06-01), Chuang
patent: 2001-42431 (2001-02-01), None
patent: 2003-317513 (2003-11-01), None
patent: 2000-0029362 (2000-05-01), None
patent: 2003-0028479 (2003-04-01), None

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