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Class Information
Number: 353/20
Name: Optics: image projectors > Polarizer or interference filter
Description: Subject matter including a polarizing element or interference filter in the optical path to modify the light in said path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621642 |
Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using the |
Nov. 24, 2009 |
| 7621641 |
High luminance display apparatus using LCD panel |
Nov. 24, 2009 |
| 7611246 |
Projection display and optical integrator |
Nov. 3, 2009 |
| 7607780 |
Projection-type 3-D image display using single projector |
Oct. 27, 2009 |
| 7599069 |
Vector beam generator using a passively phase stable optical interferometer |
Oct. 6, 2009 |
| 7597446 |
Illumination optical system and image projection apparatus |
Oct. 6, 2009 |
| 7585078 |
Illumination system capable of eliminating laser speckle and projection system employing the same |
Sep. 8, 2009 |
| 7575326 |
Projector |
Aug. 18, 2009 |
| 7575325 |
Image displaying apparatus and color separating-combining optical system |
Aug. 18, 2009 |
| 7576313 |
Light source device and image display device |
Aug. 18, 2009 |
| 7572013 |
Projection display |
Aug. 11, 2009 |
| 7568804 |
Highly efficient single panel and two panel projection engines |
Aug. 4, 2009 |
| 7566135 |
Light tunnel of DLP projection system |
Jul. 28, 2009 |
| 7562984 |
Polarizing beam splitter and projection apparatus having the same |
Jul. 21, 2009 |
| 7559654 |
High luminance display apparatus using LCD panel |
Jul. 14, 2009 |
| 7559655 |
Optical system with angular compensator |
Jul. 14, 2009 |
| 7556383 |
Projection display apparatus using liquid cooling and air cooling |
Jul. 7, 2009 |
| 7553025 |
Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus |
Jun. 30, 2009 |
| 7553024 |
Image display device |
Jun. 30, 2009 |
| 7547103 |
LCoS display system with software/firmware correction enabling use of imperfect LCoS chips |
Jun. 16, 2009 |
| 7547114 |
Multicolor illumination device using moving plate with wavelength conversion materials |
Jun. 16, 2009 |
| 7543945 |
Integrator module with a collimator and a compact light source and projection display having the same |
Jun. 9, 2009 |
| 7542206 |
Light collectors for projection systems |
Jun. 2, 2009 |
| 7542194 |
Birefringence-compensated liquid crystal display and projection system using same |
Jun. 2, 2009 |
| 7540616 |
Polarized, multicolor LED-based illumination source |
Jun. 2, 2009 |
| 7533996 |
Contrast adjustable projector apparatus |
May. 19, 2009 |
| 7532407 |
Projection display |
May. 12, 2009 |
| 7529024 |
Polarization conversion system and illumination module |
May. 5, 2009 |
| 7520617 |
Reflection type projection display apparatus |
Apr. 21, 2009 |
| 7517090 |
Real image projection device having plastic curved mirror for improving image and correcting aberrations |
Apr. 14, 2009 |
| 7513625 |
Optical device and projector |
Apr. 7, 2009 |
| 7511773 |
Polarized light conversion apparatus |
Mar. 31, 2009 |
| 7511783 |
Optical laminated bodies, lighting equipment and area luminescence equipment |
Mar. 31, 2009 |
| 7507006 |
Fixing structure |
Mar. 24, 2009 |
| 7503657 |
Color separation and synthesis systems, color separation systems and color synthesis systems, illumination optical systems, projection optical systems, and projection display devices using the |
Mar. 17, 2009 |
| 7497576 |
Projection display |
Mar. 3, 2009 |
| 7497577 |
Light modulator assembly |
Mar. 3, 2009 |
| 7494223 |
Polarization conversion element, method of manufacturing the same and illumination source unit using the same |
Feb. 24, 2009 |
| 7495830 |
Polarisation recuperation system |
Feb. 24, 2009 |
| 7495831 |
Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time |
Feb. 24, 2009 |
| 7484850 |
Illuminating device and projector |
Feb. 3, 2009 |
| 7484340 |
Displaying optical system and image projection apparatus |
Feb. 3, 2009 |
| 7481538 |
Illuminator and projector |
Jan. 27, 2009 |
| 7480013 |
Projection type display apparatus |
Jan. 20, 2009 |
| 7475991 |
Polarizing beamsplitter assembly |
Jan. 13, 2009 |
| 7472995 |
Wavelength-selective polarization conversion element, projection displaying optical system and image projection apparatus |
Jan. 6, 2009 |
| 7461940 |
Illumination system for displaying images without color break |
Dec. 9, 2008 |
| 7458687 |
High efficiency digital cinema projection system with increased etendue |
Dec. 2, 2008 |
| 7452086 |
Light pipe based projection engine |
Nov. 18, 2008 |
| 7445340 |
Polarized, LED-based illumination source |
Nov. 4, 2008 |
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