Display apparatus and projection type lighting apparatus...

Details Display apparatus and projection type lighting apparatus... Display apparatus and projection type lighting apparatus...

2011-03-08

2011-03-08

Sohn, Seung C (Department: 2878)

Optics: image projectors

Miscellaneous

C353S098000, C353S020000

Reexamination Certificate

active

07901097

ABSTRACT:
A display apparatus comprises a lighting unit for emitting a light, and a first light modulation unit for forming an image through modulation of the light from a light source unit, wherein the lighting unit includes a light source for emitting the light, a second light modulation unit for modulating the light from the light source, being smaller than the first light modulation unit for modulating the light from the light source, and a projection unit for projecting the light modulated through the second light modulation unit, enlargely, upon the first light modulation unit for use of display.

REFERENCES:
patent: 7575327 (2009-08-01), Uchiyama
patent: 2003/0142275 (2003-07-01), Yoshida
patent: 1431555 (2003-07-01), None
patent: 6-230367 (1994-08-01), None
patent: 2003-149730 (2003-05-01), None
patent: 2006-30588 (2006-02-01), None

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