Projection display

Details Projection display Projection display

2007-11-06

2007-11-06

Ward, John Anthony (Department: 2885)

Illumination

Housing

With cooling means

C362S276000, C315S159000

Reexamination Certificate

active

11163639

ABSTRACT:
A projection display includes a housing, a display panel, a power plug for electrically connecting to an external power source and receiving power provided by the external power source, a light source electrically connected to the power plug for emitting light onto the display panel when receiving power from the power plug, a heat-ventilating device for ventilating heat generated by the light source to a region outside of the housing, a power storage device for storing power, and a power detector electrically connected to the heat-ventilating device, the power storage device, and the power plug for selectively electrically connecting the heat-ventilating device either to the power plug or to the power storage device.

REFERENCES:
patent: 5276599 (1994-01-01), Neeley
patent: 5446440 (1995-08-01), Gleason et al.
patent: 5497573 (1996-03-01), Stadjuhar et al.
patent: 6081902 (2000-06-01), Cho
patent: 6388388 (2002-05-01), Weindorf et al.
patent: 6704061 (2004-03-01), Mears et al.
patent: 2003/0103345 (2003-06-01), Nolan
patent: 10-197952 (1998-07-01), None
patent: 11-133505 (1999-05-01), None

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