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Class Information
Number: 353/81
Name: Optics: image projectors > Prism in light path
Description: Subject matter including a prism in the optical path to reflect or refract the light rays of the path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614754 |
Optical projection apparatus |
Nov. 10, 2009 |
| 7611247 |
Illumination aperture for projection display |
Nov. 3, 2009 |
| 7611248 |
Projection lens unit and thin projector using the same |
Nov. 3, 2009 |
| 7604355 |
Systems and methods for handheld projection displays |
Oct. 20, 2009 |
| 7597446 |
Illumination optical system and image projection apparatus |
Oct. 6, 2009 |
| 7575325 |
Image displaying apparatus and color separating-combining optical system |
Aug. 18, 2009 |
| 7568805 |
Illumination unit and image projecting apparatus employing the same |
Aug. 4, 2009 |
| 7556383 |
Projection display apparatus using liquid cooling and air cooling |
Jul. 7, 2009 |
| 7557341 |
Optical system and projector utilizing the same |
Jul. 7, 2009 |
| 7553025 |
Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus |
Jun. 30, 2009 |
| 7554740 |
System and method for optical image generator and injector |
Jun. 30, 2009 |
| 7553032 |
Imaging system for an optical engine of a projection apparatus |
Jun. 30, 2009 |
| 7553027 |
Projector apparatus |
Jun. 30, 2009 |
| 7540618 |
Thin projector |
Jun. 2, 2009 |
| 7530693 |
Single MEMS imager optical engine |
May. 12, 2009 |
| 7529024 |
Polarization conversion system and illumination module |
May. 5, 2009 |
| 7523848 |
Method and apparatus for measuring the size of free air balls on a wire bonder |
Apr. 28, 2009 |
| 7518803 |
Dichroic prism, and prism unit and image projection apparatus employing same |
Apr. 14, 2009 |
| 7490941 |
Three-dimensional hologram display system |
Feb. 17, 2009 |
| 7483216 |
Integrated TIR prism and lens element |
Jan. 27, 2009 |
| 7458688 |
Prism |
Dec. 2, 2008 |
| 7448758 |
Illumination unit and projection type image display apparatus employing the same |
Nov. 11, 2008 |
| 7445340 |
Polarized, LED-based illumination source |
Nov. 4, 2008 |
| 7445345 |
Optical display device and projection-type display device |
Nov. 4, 2008 |
| 7443594 |
Color display device using separate diffracted light and illumination light |
Oct. 28, 2008 |
| 7429111 |
Two-panel color management system |
Sep. 30, 2008 |
| 7429110 |
Projector-type image display apparatus |
Sep. 30, 2008 |
| 7425932 |
Projection system featuring light source luminuous flux sensing and compensation |
Sep. 16, 2008 |
| 7419269 |
Display device and projector |
Sep. 2, 2008 |
| 7416307 |
Optical apparatus and projection apparatus |
Aug. 26, 2008 |
| 7410261 |
Multicolor illuminator system |
Aug. 12, 2008 |
| 7407292 |
Projector and polarization member used in projector |
Aug. 5, 2008 |
| 7404643 |
Projector having polarization conversion element |
Jul. 29, 2008 |
| 7401926 |
Space light modulating apparatus, projector including same, process for manufacturing microstructure element used in same, and microstructure element manufactured by the same process |
Jul. 22, 2008 |
| 7403335 |
Screen, Fresnel lens sheet used for the same, and image display apparatus using the same |
Jul. 22, 2008 |
| 7396132 |
Prism assembly for use in optical devices and projector comprising such a prism assembly |
Jul. 8, 2008 |
| 7394597 |
SLM projection display with series DMD illuminator |
Jul. 1, 2008 |
| 7390094 |
Method and apparatus to achieve a neutral dark state in image projection systems |
Jun. 24, 2008 |
| 7387391 |
Apparatus and method for mounting imagers on stress-sensitive polarizing beam splitters |
Jun. 17, 2008 |
| 7377649 |
Projector arrangement |
May. 27, 2008 |
| 7369318 |
Color display device having single illuminating system |
May. 6, 2008 |
| 7364302 |
Projection display system using multiple light sources and polarizing element for using with same |
Apr. 29, 2008 |
| 7364303 |
Image display apparatus |
Apr. 29, 2008 |
| 7360899 |
Beamsplitting structures and methods in optical systems |
Apr. 22, 2008 |
| 7360902 |
System and method for light source modulation |
Apr. 22, 2008 |
| 7360905 |
Compact optical engine for very small personal projectors using LED illumination |
Apr. 22, 2008 |
| 7357511 |
Stress birefringence compensation in polarizing beamsplitters and systems using same |
Apr. 15, 2008 |
| 7357516 |
Lighting optical system |
Apr. 15, 2008 |
| 7355797 |
Color display device using separate diffracted light and illumination light |
Apr. 8, 2008 |
| 7350928 |
Projection display system |
Apr. 1, 2008 |
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