Projector optical system configuration, optical module, and...

Details Projector optical system configuration, optical module, and... Projector optical system configuration, optical module, and...

2007-08-21

2007-08-21

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Plural

C353S085000, C353S039000

Reexamination Certificate

active

11001019

ABSTRACT:
Multiplicities of red LED cell(s), green LED cell(s), and blue LED cell(s) are arrayed in two dimensions on a single light source substrate so as to form LED plane light source(s). First lens array(s) and second lens array(s) are disposed on side(s) of the LED plane light source(s) from which light exits. Respective lens array(s) may be provided with plurality or pluralities of lenses opposing LED cell(s). Light irradiated from LED cell(s) is, by action of respective lens(es) of first lens array(s), separately collected and is thereafter, by action of respective lens(es) of second lens array(s), separately magnified; and light exiting therefrom is combined in mutually superposed fashion at irradiation surface(s). Furthermore, respective LED cell(s) is/are made to undergo timed lighting by color. Image(s) formed by reflective liquid crystal(s) and/or DMD(s) is/are switched in conformity to such timed lighting and such image(s) is/are projected onto screen(s).

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