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Class Information
Number: 359/497
Name: Optical: systems and elements > Polarization without modulation > Light polarization without any external input > By birefringent element > Using plural elements
Description: Subject matter wherein beam polarization is achieved by multiple birefringent elements.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619818 |
Elliptically polarizing plate and image display |
Nov. 17, 2009 |
| 7570425 |
System, apparatus and method for high efficiency low leakage LCD polarizer |
Aug. 4, 2009 |
| 7567382 |
Optical filter |
Jul. 28, 2009 |
| 7557989 |
Reflective polarizer and display device having the same |
Jul. 7, 2009 |
| 7548370 |
Layered structure for a tile wave plate assembly |
Jun. 16, 2009 |
| 7546039 |
Systems, devices, and methods for controlling outage probabilities |
Jun. 9, 2009 |
| 7541723 |
Backlight having a polarization separating element |
Jun. 2, 2009 |
| 7542206 |
Light collectors for projection systems |
Jun. 2, 2009 |
| 7538944 |
Polarizing filter, and method for fabricating same |
May. 26, 2009 |
| 7535639 |
Optical depolarizers and DGD generators based on optical delay |
May. 19, 2009 |
| 7532406 |
Device for homogenizing light |
May. 12, 2009 |
| 7529024 |
Polarization conversion system and illumination module |
May. 5, 2009 |
| 7511773 |
Polarized light conversion apparatus |
Mar. 31, 2009 |
| 7511885 |
Methods for reducing polarization aberration in optical systems |
Mar. 31, 2009 |
| 7511886 |
Optical beam transformation system and illumination system comprising an optical beam transformation system |
Mar. 31, 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 |
| 7495830 |
Polarisation recuperation system |
Feb. 24, 2009 |
| 7492516 |
Optical element, polarizing element, lighting device, and liquid crystal display |
Feb. 17, 2009 |
| 7492986 |
Apparatus and method for optical switching with liquid crystals and birefringent wedges |
Feb. 17, 2009 |
| 7492519 |
Refractive boundary elements, devices, and materials |
Feb. 17, 2009 |
| 7486443 |
High extinction ratio and low crosstalk compact optical switches |
Feb. 3, 2009 |
| 7474380 |
Projection optical system, exposure apparatus, and device fabrication method |
Jan. 6, 2009 |
| 7468840 |
Wavelength selective optical switch |
Dec. 23, 2008 |
| 7466485 |
Switchable display apparatus |
Dec. 16, 2008 |
| 7453641 |
Structures and methods for reducing aberration in optical systems |
Nov. 18, 2008 |
| 7450231 |
Deviation angle self compensating substantially achromatic retarder |
Nov. 11, 2008 |
| 7443585 |
Polarizer, polarization light source and image display unit using them |
Oct. 28, 2008 |
| 7440075 |
Birefringent optical system |
Oct. 21, 2008 |
| 7418202 |
Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter |
Aug. 26, 2008 |
| 7413317 |
Polarized UV exposure system |
Aug. 19, 2008 |
| 7414786 |
System and method converting the polarization state of an optical beam into an inhomogeneously polarized state |
Aug. 19, 2008 |
| 7400448 |
Birefringent spectral filter |
Jul. 15, 2008 |
| 7381339 |
Increased yield of cubic crystalline optical elements by crystal orientation |
Jun. 3, 2008 |
| 7382535 |
Wave plate and associated method |
Jun. 3, 2008 |
| RE40251 |
Optical element, polarization illumination device, and projector |
Apr. 22, 2008 |
| 7362504 |
Miniature circulator devices and methods for making the same |
Apr. 22, 2008 |
| 7360899 |
Beamsplitting structures and methods in optical systems |
Apr. 22, 2008 |
| 7362489 |
Multi-conjugate liquid crystal tunable filter |
Apr. 22, 2008 |
| 7357510 |
Projection-type 3-D image display device using single projector |
Apr. 15, 2008 |
| 7359119 |
Optical arrangement for pre-processing primary illumination light |
Apr. 15, 2008 |
| 7359584 |
Polarization beam separator and combiner |
Apr. 15, 2008 |
| 7355791 |
Optical system and photolithography tool comprising same |
Apr. 8, 2008 |
| 7354162 |
Projector |
Apr. 8, 2008 |
| 7343057 |
Integratable optical isolator in a Mach-Zehnder interferometer configuration |
Mar. 11, 2008 |
| 7335874 |
Method and apparatus for generating a circularly polarized illumination beam |
Feb. 26, 2008 |
| 7334900 |
Three-dimensional image projecting apparatus |
Feb. 26, 2008 |
| 7327518 |
Attenuator for high-power unpolarized laser beams |
Feb. 5, 2008 |
| 7324280 |
Apparatus for providing a pattern of polarization |
Jan. 29, 2008 |
| 7321464 |
Electroluminescent light source and display incorporating same |
Jan. 22, 2008 |
| 7319558 |
Wide-band wave plate and a controlling method thereof |
Jan. 15, 2008 |
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