Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2008-06-06
2010-11-02
Le, Que T (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S201200
Reexamination Certificate
active
07825363
ABSTRACT:
An exemplary MLA unit for use in a projection device is disclosed. The projection device includes an LCD panel. The LCD panel includes a number of pixels each having an opening. The MLA unit includes a first MLA, and a second MLA. The first MLA includes a number of first micro lenses each configured for focusing incident light into the opening of a respective pixel of the LCD panel. The second MLA includes a number of second micro lenses each aligned with a respective first micro lens of the first MLA so as to form a micro lens system. The second MLA is movable so as to change the effective focal length of the lens systems.
REFERENCES:
patent: 6204895 (2001-03-01), Nakamura et al.
patent: 2004/0184155 (2004-09-01), Kornblit et al.
patent: 2007212716 (2007-08-01), None
Chou Yu-Shan
Chu Ching-Te
Hsu Chien-Wen
Wang Po-Lin
Hon Hai Precision Industry Co. Ltd.
Le Que T
Ma Zhigang
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