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Class Information
Number: 359/885
Name: Optical: systems and elements > Absorption filter
Description: Subject matter which absorbs a portion of the incident ray energy and transmits the remainder.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618486 |
Pigment dispersion composition for producing color filter and color filter for color imaging device produced using the same |
Nov. 17, 2009 |
| 7593598 |
System and method for efficient filter design through weighted difference of Gaussian filters |
Sep. 22, 2009 |
| 7588656 |
Thermal transfer imaging element and method of using same |
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 |
| 7521006 |
Diimmonium compound and use thereof |
Apr. 21, 2009 |
| 7517092 |
Method and system for dynamic gradient light filtering |
Apr. 14, 2009 |
| 7495839 |
Lens with IR-cut function |
Feb. 24, 2009 |
| 7491939 |
Photosensitive sensor and applications in the automotive field |
Feb. 17, 2009 |
| 7486455 |
Color wheel with segment fixing mechanisms, and manufacturing method of same |
Feb. 3, 2009 |
| 7481954 |
Composition for a light filtering material |
Jan. 27, 2009 |
| 7483226 |
ND filter, manufacturing method thereof, and aperture device |
Jan. 27, 2009 |
| 7474483 |
Structure of color elements for a color filter |
Jan. 6, 2009 |
| 7466552 |
Heat-radiating structure and plasma display device including the same |
Dec. 16, 2008 |
| 7453657 |
Color wheel |
Nov. 18, 2008 |
| 7440204 |
ND filter of optical film laminate type with carbon film coating |
Oct. 21, 2008 |
| 7417788 |
Optical logic device |
Aug. 26, 2008 |
| 7390094 |
Method and apparatus to achieve a neutral dark state in image projection systems |
Jun. 24, 2008 |
| 7388723 |
ND filter and light quantity diaphragming device including the same |
Jun. 17, 2008 |
| 7368161 |
Color stable pigmented polymeric films |
May. 6, 2008 |
| 7357981 |
Optical filter |
Apr. 15, 2008 |
| 7329856 |
Image sensor having integrated infrared-filtering optical device and related method |
Feb. 12, 2008 |
| 7329981 |
Optical filter and display apparatus with the same |
Feb. 12, 2008 |
| 7321186 |
Front filter, and plasma display apparatus having the same |
Jan. 22, 2008 |
| RE39979 |
Color wheel including light deflecting means |
Jan. 1, 2008 |
| 7312434 |
Method of filtering spectral energy |
Dec. 25, 2007 |
| 7301264 |
Front plate and display device using same |
Nov. 27, 2007 |
| 7301012 |
Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter |
Nov. 27, 2007 |
| 7294360 |
Conformal coatings for micro-optical elements, and method for making the same |
Nov. 13, 2007 |
| 7295391 |
ND filter for aperture device and aperture device comprising ND filter |
Nov. 13, 2007 |
| 7295392 |
Color wheel with aligned segments |
Nov. 13, 2007 |
| 7268961 |
Color wheel, and method and jig for producing same |
Sep. 11, 2007 |
| 7252391 |
Method of producing an image |
Aug. 7, 2007 |
| 7253977 |
Monolithic color wheel and process for fabrication of the same |
Aug. 7, 2007 |
| 7242136 |
Front filter, and plasma display apparatus having the same |
Jul. 10, 2007 |
| 7242542 |
Filters of electronic displays |
Jul. 10, 2007 |
| 7242543 |
Filter device |
Jul. 10, 2007 |
| 7239790 |
Method for controlling attenuation of an optical element |
Jul. 3, 2007 |
| 7239464 |
Absorption type multi-layer film ND filter |
Jul. 3, 2007 |
| 7239001 |
Tunable optical filtering component |
Jul. 3, 2007 |
| 7233450 |
Reflective color wheel |
Jun. 19, 2007 |
| 7229684 |
Light-stable colored transparent composite films |
Jun. 12, 2007 |
| 7223959 |
Plasma absorption wave limiter |
May. 29, 2007 |
| 7218464 |
Aligning-assembling method for color wheel |
May. 15, 2007 |
| 7212359 |
Color rendering of illumination light in display systems |
May. 1, 2007 |
| 7209303 |
Method for balancing color wheel and structure thereof |
Apr. 24, 2007 |
| 7193716 |
Arrangement of color filters for characterizing the color of an aggregate light |
Mar. 20, 2007 |
| 7190536 |
Color filter disc and process of making the same |
Mar. 13, 2007 |
| 7187509 |
Color wheel and manufacturing method of same |
Mar. 6, 2007 |
| 7180052 |
Non-heavy metal optical bandpass filter in electro-optical readers |
Feb. 20, 2007 |
| 7180691 |
Color wheel assembly |
Feb. 20, 2007 |
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