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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 |
| 7419269 |
Display device and projector |
Sep. 2, 2008 |
| 7416306 |
Laser projector |
Aug. 26, 2008 |
| 7416596 |
Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74 |
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 |
| 7399087 |
Segment type color wheel and manufacturing method of same |
Jul. 15, 2008 |
| 7400450 |
Light-splitting device |
Jul. 15, 2008 |
| 7396130 |
Optical system, image projection apparatus and method thereof |
Jul. 8, 2008 |
| 7396131 |
Projection assembly |
Jul. 8, 2008 |
| 7394597 |
SLM projection display with series DMD illuminator |
Jul. 1, 2008 |
| 7393106 |
Color filter unit and projection system employing the same |
Jul. 1, 2008 |
| 7393404 |
Pigment dispersants and their use |
Jul. 1, 2008 |
| 7390095 |
Projector |
Jun. 24, 2008 |
| 7390094 |
Method and apparatus to achieve a neutral dark state in image projection systems |
Jun. 24, 2008 |
| 7390092 |
Image projection lighting devices with visible and infrared imaging |
Jun. 24, 2008 |
| 7387389 |
Image display system and method |
Jun. 17, 2008 |
| 7387670 |
Pigment preparations based on phthalocyanine pigments |
Jun. 17, 2008 |
| 7381260 |
Thiazineindigo pigment dispersant, and pigment composition, colored composition and color filter, using the same |
Jun. 3, 2008 |
| 7377974 |
Use of a pigment preparation based on C.I. pigment yellow 74 |
May. 27, 2008 |
| 7377653 |
Color display apparatus having virtual single light origin |
May. 27, 2008 |
| 7377651 |
Image projection lighting devices with visible and infrared imaging |
May. 27, 2008 |
| 7370972 |
Two-dimensional image display device |
May. 13, 2008 |
| 7367678 |
Single-plate color projector and synchronization adjusting method therefor |
May. 6, 2008 |
| 7367680 |
Color wheel unit and optical engine having the same |
May. 6, 2008 |
| 7367682 |
Color image projection arrangement and method |
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 |
| 7357512 |
Color image projection system and method |
Apr. 15, 2008 |
| 7357511 |
Stress birefringence compensation in polarizing beamsplitters and systems using same |
Apr. 15, 2008 |
| 7354157 |
Image display device and light source device |
Apr. 8, 2008 |
| 7354162 |
Projector |
Apr. 8, 2008 |
| 7350929 |
Method for controlling a lighting device |
Apr. 1, 2008 |
| 7347562 |
Two-panel liquid-crystal-on-silicon color management system |
Mar. 25, 2008 |
| 7347568 |
Color wheel apparatus and optical engine having the same |
Mar. 25, 2008 |
| 7347894 |
Pigment dispersants and their use |
Mar. 25, 2008 |
| 7334900 |
Three-dimensional image projecting apparatus |
Feb. 26, 2008 |
| 7334897 |
Display apparatus using LCD Panel |
Feb. 26, 2008 |
| 7331692 |
Light beam projector with filter set rotating on its own axis |
Feb. 19, 2008 |
| 7329007 |
Projector |
Feb. 12, 2008 |
| 7322703 |
Light emitting apparatus and projector |
Jan. 29, 2008 |
| 7316481 |
Projection device for projecting an image |
Jan. 8, 2008 |
| 7314282 |
Color-split optical engine architecture for projection displays |
Jan. 1, 2008 |
| 7311404 |
Optical projection apparatus and projection-type image displaying apparatus |
Dec. 25, 2007 |
| 7311953 |
Colored composition for color filter and display using color filters formed of the colored composition |
Dec. 25, 2007 |
| 7306340 |
Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the same |
Dec. 11, 2007 |
| 7303287 |
Compensation of light source intensity pulse in scrolling colour type projection system |
Dec. 4, 2007 |
| 7301691 |
System and method for generating images |
Nov. 27, 2007 |
| 7300159 |
Scrolling color projection system with lamp synchronization |
Nov. 27, 2007 |
| 7300157 |
Pixel-shifting projection lens assembly to provide optical interlacing for increased addressability |
Nov. 27, 2007 |
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