Projection optical system having a light blocker

Details Projection optical system having a light blocker Projection optical system having a light blocker

2008-02-29

2010-11-30

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Light shield, mask, hood, or diaphragm

C353S098000, C353S075000, C359S739000, C359S904000, C396S505000, C348S771000

Reexamination Certificate

active

07841727

ABSTRACT:
A projection optical system includes a digital micro-mirror device and a light blocker disposed along the light path of the digital micro-mirror device. The digital micro-mirror device includes a base having a plurality of outer pads, a micro-mirror array disposed on the base, and a plurality of bonding wires. The bonding wires are electrically connecting the outer pads with the corresponding micro-mirror array. The light blocker is configured for blocking the light incident to the bonding wires and the light reflected by the bonding wires.

REFERENCES:
patent: 5583688 (1996-12-01), Hornbeck
patent: 6806992 (2004-10-01), Soneda et al.
patent: 6923544 (2005-08-01), Ito
patent: 7388631 (2008-06-01), Freeman
patent: 2006/0023174 (2006-02-01), Kang et al.
patent: 2006/0044527 (2006-03-01), Watanabe et al.
patent: 2006/0139713 (2006-06-01), Yee et al.
patent: 1607456 (2005-04-01), None

Affiliated with

Also associated with

Rating

Projection optical system having a light blocker does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Projection optical system having a light blocker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection optical system having a light blocker will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4169807