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Class Information
Number: 353/84
Name: Optics: image projectors > Color filter
Description: Subject matter including means in the optical path to block or absorb particular wavelengths of light.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611248 |
Projection lens unit and thin projector using the same |
Nov. 3, 2009 |
| 7604355 |
Systems and methods for handheld projection displays |
Oct. 20, 2009 |
| 7604356 |
Projection type image display apparatus and lighting circuit control method |
Oct. 20, 2009 |
| 7597447 |
Color correcting contrast enhancement of displays |
Oct. 6, 2009 |
| 7589797 |
High efficiency liquid crystal display projection system |
Sep. 15, 2009 |
| 7586703 |
Sequential colour illumination system, method for producing a colour wheel for said system and a colour segment device |
Sep. 8, 2009 |
| 7585078 |
Illumination system capable of eliminating laser speckle and projection system employing the same |
Sep. 8, 2009 |
| 7568805 |
Illumination unit and image projecting apparatus employing the same |
Aug. 4, 2009 |
| 7559654 |
High luminance display apparatus using LCD panel |
Jul. 14, 2009 |
| 7553025 |
Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus |
Jun. 30, 2009 |
| 7549757 |
Device and method for adjusting color wheel index |
Jun. 23, 2009 |
| 7549756 |
Pixel shifting color projection system |
Jun. 23, 2009 |
| 7543943 |
Color permuting light projector |
Jun. 9, 2009 |
| 7540616 |
Polarized, multicolor LED-based illumination source |
Jun. 2, 2009 |
| 7533996 |
Contrast adjustable projector apparatus |
May. 19, 2009 |
| 7530697 |
Illumination optics and image projecting apparatus having thereof |
May. 12, 2009 |
| 7532407 |
Projection display |
May. 12, 2009 |
| 7517091 |
Color gamut improvement in presence of ambient light |
Apr. 14, 2009 |
| 7517092 |
Method and system for dynamic gradient light filtering |
Apr. 14, 2009 |
| 7517093 |
Projection-type system and method of operating the same |
Apr. 14, 2009 |
| 7507006 |
Fixing structure |
Mar. 24, 2009 |
| 7503658 |
Projector |
Mar. 17, 2009 |
| 7497579 |
Active color wheel |
Mar. 3, 2009 |
| 7497577 |
Light modulator assembly |
Mar. 3, 2009 |
| 7494227 |
Image display device and method of controlling image display device |
Feb. 24, 2009 |
| 7494230 |
Reflecting non-visible light off one or more mirrors |
Feb. 24, 2009 |
| 7484850 |
Illuminating device and projector |
Feb. 3, 2009 |
| 7486355 |
Color filter panel and liquid crystal display including the same |
Feb. 3, 2009 |
| 7465052 |
Image projection lighting devices with visible and infrared imaging |
Dec. 16, 2008 |
| 7461940 |
Illumination system for displaying images without color break |
Dec. 9, 2008 |
| 7452082 |
Excitation light emission apparatus |
Nov. 18, 2008 |
| 7453657 |
Color wheel |
Nov. 18, 2008 |
| 7445345 |
Optical display device and projection-type display device |
Nov. 4, 2008 |
| 7438421 |
Two-panel type projection system and projection method thereof |
Oct. 21, 2008 |
| 7438420 |
Display apparatus |
Oct. 21, 2008 |
| 7429111 |
Two-panel color management system |
Sep. 30, 2008 |
| 7430022 |
Color display device |
Sep. 30, 2008 |
| 7419269 |
Display device and projector |
Sep. 2, 2008 |
| 7416596 |
Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74 |
Aug. 26, 2008 |
| 7416306 |
Laser projector |
Aug. 26, 2008 |
| 7410262 |
System and method for compensating for spoke light |
Aug. 12, 2008 |
| 7405095 |
Method for producing color-wheel segments |
Jul. 29, 2008 |
| 7401925 |
Image projection system |
Jul. 22, 2008 |
| 7400450 |
Light-splitting device |
Jul. 15, 2008 |
| 7399087 |
Segment type color wheel and manufacturing method of same |
Jul. 15, 2008 |
| 7396131 |
Projection assembly |
Jul. 8, 2008 |
| 7396130 |
Optical system, image projection apparatus and method thereof |
Jul. 8, 2008 |
| 7394597 |
SLM projection display with series DMD illuminator |
Jul. 1, 2008 |
| 7393404 |
Pigment dispersants and their use |
Jul. 1, 2008 |
| 7393106 |
Color filter unit and projection system employing the same |
Jul. 1, 2008 |
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