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Class Information
Number: 349/9
Name: Liquid crystal cells, elements and systems > Liquid crystal system > Projector including liquid crystal cell (s) > Plural light path projectors > Having light separated into s and p polarization
Description: Subject matter wherein a characteristic determining the separation of light paths is the polarization of the light, such that the S polarization travels along one path and the P polarization travels along a different path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7411635 |
LCD TV and projection-based backlight system used therefor |
Aug. 12, 2008 |
| 7411634 |
LCD TV and projection-based backlight system used therefor |
Aug. 12, 2008 |
| 7400100 |
Discharge-lamp lighting apparatus and projector |
Jul. 15, 2008 |
| 7400377 |
Display having particular polarisation modifying layer |
Jul. 15, 2008 |
| 7396130 |
Optical system, image projection apparatus and method thereof |
Jul. 8, 2008 |
| 7390095 |
Projector |
Jun. 24, 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 |
| 7369186 |
Polarizing beam splitter featuring stacked grating layers and display including the same |
May. 6, 2008 |
| 7364302 |
Projection display system using multiple light sources and polarizing element for using with same |
Apr. 29, 2008 |
| 7360899 |
Beamsplitting structures and methods in optical systems |
Apr. 22, 2008 |
| 7359008 |
Dynamic range and contrast enhancement for microdisplay |
Apr. 15, 2008 |
| 7354162 |
Projector |
Apr. 8, 2008 |
| 7347557 |
Projector system comprising pulsed light sources |
Mar. 25, 2008 |
| 7347559 |
Color video projection system employing reflective liquid crystal display devices |
Mar. 25, 2008 |
| 7349048 |
Method and apparatus for adjusting light intensity |
Mar. 25, 2008 |
| 7344254 |
Projection system with a common light source sharing system |
Mar. 18, 2008 |
| 7342619 |
Polarization light splitting film, backlight system and liquid crystal display |
Mar. 11, 2008 |
| 7339735 |
Polarization recovery system for projection displays |
Mar. 4, 2008 |
| 7334900 |
Three-dimensional image projecting apparatus |
Feb. 26, 2008 |
| 7331676 |
Apparatus for projecting a reduced image of a photomask using a schwarzschild objective |
Feb. 19, 2008 |
| 7329004 |
Rear projection display device |
Feb. 12, 2008 |
| 7329006 |
Projection system having low astigmatism |
Feb. 12, 2008 |
| 7316481 |
Projection device for projecting an image |
Jan. 8, 2008 |
| 7303283 |
Projection type display |
Dec. 4, 2007 |
| 7301586 |
LCD TV and projection-based backlight system used therefor |
Nov. 27, 2007 |
| 7295371 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Nov. 13, 2007 |
| 7293877 |
Projecting apparatus and projecting and displaying apparatus |
Nov. 13, 2007 |
| 7287858 |
Color separating unit and projection type image display apparatus employing the same |
Oct. 30, 2007 |
| 7286290 |
Optical illumination apparatus |
Oct. 23, 2007 |
| 7281803 |
Polarization conversion assembly to complement angular transmission distribution of polarizing light modulator |
Oct. 16, 2007 |
| 7278743 |
Single panel illumination system and projection display apparatus using the same |
Oct. 9, 2007 |
| 7273279 |
Projection display apparatus |
Sep. 25, 2007 |
| 7264357 |
Rear projection display device |
Sep. 4, 2007 |
| 7261418 |
Projection apparatus |
Aug. 28, 2007 |
| 7255444 |
Optical unit and projection-type image display apparatus using the same |
Aug. 14, 2007 |
| 7246907 |
Projection type image display apparatus using reflective image display elements, reflective polarizing plates and auxiliary analyzers |
Jul. 24, 2007 |
| 7245336 |
Liquid crystal display device |
Jul. 17, 2007 |
| 7241014 |
Microdisplay projection |
Jul. 10, 2007 |
| 7237901 |
Projection type image display device, rear projection type image display device, optical unit, and screen unit |
Jul. 3, 2007 |
| 7232223 |
Illumination optical system and projection display optical system |
Jun. 19, 2007 |
| 7232228 |
Light recovery for projection displays |
Jun. 19, 2007 |
| 7229177 |
Restraining temperature rise in light exiting-side polarizer constituting liquid crystal light valve |
Jun. 12, 2007 |
| 7222965 |
Optical unit and a projection image display apparatus using the same |
May. 29, 2007 |
| 7213920 |
Image display apparatus |
May. 8, 2007 |
| 7213924 |
Image projection apparatus and image projection system |
May. 8, 2007 |
| 7210788 |
Color prism and projection-type image display apparatus employing the same |
May. 1, 2007 |
| 7207676 |
Image projection apparatus |
Apr. 24, 2007 |
| 7202918 |
LCD projection system and illumination device thereof |
Apr. 10, 2007 |
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