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Class Information
Number: 349/8
Name: Liquid crystal cells, elements and systems > Liquid crystal system > Projector including liquid crystal cell (s) > Plural light path projectors
Description: Subject matter wherein incoming light begins as or is broken into separate paths according to a characteristic of the light and is combined or recombined before or after modulation by the one or more liquid crystal cells.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616266 |
Liquid crystal projection system |
Nov. 10, 2009 |
| 7595935 |
Rod lens |
Sep. 29, 2009 |
| 7564509 |
Illumination of objects using spatial light modulators |
Jul. 21, 2009 |
| 7551280 |
Method for manufacturing optical element, method for manufacturing projector, optical element and projector |
Jun. 23, 2009 |
| 7532407 |
Projection display |
May. 12, 2009 |
| 7528892 |
Projector device |
May. 5, 2009 |
| 7502078 |
Projection type display apparatus with means for supplying an air cooling stream to a gap between a light receiving surface of a prism and a third surface of a closed triangular prismatic hous |
Mar. 10, 2009 |
| 7497577 |
Light modulator assembly |
Mar. 3, 2009 |
| 7448755 |
Three-panel projection display apparatus for displaying color images |
Nov. 11, 2008 |
| 7445345 |
Optical display device and projection-type display device |
Nov. 4, 2008 |
| 7443565 |
Image display apparatus, projector, and polarization compensation system |
Oct. 28, 2008 |
| 7438421 |
Two-panel type projection system and projection method thereof |
Oct. 21, 2008 |
| 7416306 |
Laser projector |
Aug. 26, 2008 |
| 7411636 |
Stereoscopic liquid crystal display (LCD) with polarization method |
Aug. 12, 2008 |
| 7408527 |
Light emitting device driving method and projection apparatus so equipped |
Aug. 5, 2008 |
| RE40450 |
Liquid crystal projector |
Aug. 5, 2008 |
| 7404644 |
Time-sequential colour projection |
Jul. 29, 2008 |
| 7401925 |
Image projection system |
Jul. 22, 2008 |
| 7396131 |
Projection assembly |
Jul. 8, 2008 |
| 7360900 |
Illuminating apparatus, image display apparatus, and projector |
Apr. 22, 2008 |
| 7359008 |
Dynamic range and contrast enhancement for microdisplay |
Apr. 15, 2008 |
| 7347561 |
Image display device |
Mar. 25, 2008 |
| 7334897 |
Display apparatus using LCD Panel |
Feb. 26, 2008 |
| 7293880 |
Light source including multiple light emitting devices driven by a control device, and projector |
Nov. 13, 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 |
| 7277090 |
Method and apparatus for image and video display |
Oct. 2, 2007 |
| 7274411 |
Liquid crystal display device |
Sep. 25, 2007 |
| 7247356 |
Privacy screen for a display |
Jul. 24, 2007 |
| 7213922 |
Projector |
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 |
| 7198373 |
Display apparatus using LCD panel |
Apr. 3, 2007 |
| 7190519 |
Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit |
Mar. 13, 2007 |
| 7172290 |
Light pipe based projection engine |
Feb. 6, 2007 |
| 7170567 |
Projection type image display apparatus |
Jan. 30, 2007 |
| 7161740 |
Projector |
Jan. 9, 2007 |
| 7154671 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Dec. 26, 2006 |
| 7148945 |
Optical device having a plurality of optical modulator units, projector equipping the same, and particular heat insulation |
Dec. 12, 2006 |
| 7147331 |
Method of driving a spatial light modulator and projector |
Dec. 12, 2006 |
| 7137708 |
Infra-red and ultraviolet filtration in projection systems |
Nov. 21, 2006 |
| 7123313 |
Projection display device |
Oct. 17, 2006 |
| 7118230 |
Holder frame, optical device and projector |
Oct. 10, 2006 |
| 7114816 |
Fixing plate, optical device and projector |
Oct. 3, 2006 |
| 7108377 |
Video light producing device and projection type video display |
Sep. 19, 2006 |
| 7106389 |
Optical shifter and projection type optical display system |
Sep. 12, 2006 |
| 7104650 |
Image display device having a transmissive panel and an optical isolator |
Sep. 12, 2006 |
| 7104652 |
Image display device and projector |
Sep. 12, 2006 |
| 7102822 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Sep. 5, 2006 |
| 7090350 |
Optical projection system and method |
Aug. 15, 2006 |
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