In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Application No. | Application Title | Issue Date |
| 20110069080 | Enhanced Display Security of communications between users involving mobile devices has to date focused to ensuring message integrity, preventing attacks as well as verification/authentication of the user to access the message. At the same time manufacturers of LCD displays for use withi... | 03/24/2011 |
| 20100238549 | Illumination systems Described are illumination systems whereby light spectra from multiple LEDs of various colors can be combined and polarized with minimal components, while substantially reducing the losses for the combining and polarizing. The described systems and methods use polarizin... | 09/23/2010 |
| 20100231836 | PHASE DIFFERENCE CONTROL MEMBER, LIQUID CRYSTAL DISPLAY AND LIQUID CRYSTAL MATERIAL COMPOSITION FOR FORMING PHASE DIFFERENCE LAYER Provided is a phase difference control member which has a function to suppress a surface step amount and an excellent optical compensation function for the optical phase difference caused by a deflection plate. In the phase difference control member, the phase differenc... | 09/16/2010 |
| 20100142052 | Display panel and optical filter A display panel easily implements reflection color of a display. The display panel according to the present invention includes a panel which has a plate shape to implement an image, and an optical filter which is attached to the panel. The optical filter includes a colo... | 06/10/2010 |
| 20100128217 | POLARIZED LENS AND PRODUCTION METHOD THEREOF The present invention provides a method of producing a polarized lens capable of obtaining a high-quality polarized lens used for sunglasses and the like. More specifically, the present invention is a method of producing a polarized lens, comprising the steps of obtaini... | 05/27/2010 |
| 20100033810 | POLARIZER PROTECTIVE FILM, POLARIZING PLATE, AND IMAGE DISPLAY APPARATUS Provided is a polarizer protective film of thin type, which has excellent heat resistance and excellent transparency as well as excellent UV-absorbing ability, has good external appearance of a film surface, and can be stably produced by film forming. The polarizer prot... | 02/11/2010 |
| 20090231706 | COLOR FILTER AND METHOD OF FABRICATING THE SAME A color filter having a bi-layer metal grating is formed by nanoimprint lithography. Nanoimprint lithography, a low cost technology, includes two alternatives, i.e., hot-embossing nanoimprint lithography and UV-curable nanoimprint lithography. Manufacture steps includes... | 09/17/2009 |
| 20090126127 | Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt Disclosed is an azo compound represented by the general formula (1) or a salt thereof:
| 05/21/2009 |
| 20080316431 | WAVELENGTH-SELECTIVE POLARIZATION CONVERSION ELEMENT, ILLUMINATION OPTICAL SYSTEM, AND IMAGE PROJECTION APPARATUS The wavelength-selective polarization conversion element includes a plurality of polarization splitting surfaces each of which separates entering light into two polarized light components having polarization directions different from each other, a plurality of phase pla... | 12/25/2008 |
| 20080212180 | POLARIZATION INDEPENDENT RAMAN IMAGING WITH LIQUID CRYSTAL TUNABLE FILTER A high passband transmission ratio in microscopic Raman spectral imaging and other applications is obtained by splitting a light beam from an objective lens into two orthogonal polarized components processed along laterally spaced paths through the same liquid crystal t... | 09/04/2008 |
| 20080205052 | METHOD AND SYSTEM FOR THE RECOGNITION OF AN OPTICAL SIGNAL A system and method for distinguishing a first light source from other light sources utilizes an image receiver that can selectively engage and disengage a filter. The filter can be configured to block bands of light corresponding to the light being emitted by either th... | 08/28/2008 |
| 20080170184 | POLARIZING PLATE, METHOD OF FABRICATING THE SAME, AND LIQUID CRYSTAL DISPLAY HAVING THE SAME Disclosed are a polarizing plate, a method of fabricating the polarizing plate, and a liquid crystal display including the polarizing plate. The polarizing plate includes a polarizing film and a supporting film arranged on at least one of an upper surface and a lower su... | 07/17/2008 |
| 20070188865 | Apparatus for adding red light to a polarized light system An apparatus for adding red light to a polarized light system includes a first light source and a second light source. A polarizing beam splitter combines S-polarized-light from the first light source and P-polarized light from the second light source. A first multi-lay... | 08/16/2007 |
| 20070076295 | Electronic adjustable color filter An electronically adjustable color filter device is provided for filtering light at a wavelength corresponding to a selected color of the Electromagnetic Spectrum. Unpolarized light, at the specified wavelength, is polarized using a dichroic, cholesteric polarizer. An a... | 04/05/2007 |
| 20060192903 | Intermediate image formation optical system, image formation device, and methods thereof An image projection device performing pixel shift in synchronization with sequential updating of image data is disclosed that is able to start and stop pixel shift operations within a period of updating the image frames while maintaining brightness of the image. The ima... | 08/31/2006 |
| 20060171030 | Reflecting element and projection system comprising the same A reflecting element of the invention for use in a projection system including a polarization screen is capable of converting the state of polarization of imaging light emitted from a projector into the desired one without reducing the brightness of the imaging light, a... | 08/03/2006 |
| 20050207009 | NONRECIPROCAL OPTICAL ELEMENT WITH INDEPENDENT CONTROL OF TRANSMISSION OPPOSITE DIRECTIONS A nonreciprocal optical element and method for operating it to effect separate control of intensity and phase (or optical path length) of counter propagating beams over a very wide range. The nonreciprocal optical element includes a circulator for routing a first signal... | 09/22/2005 |
| 20050063057 | Polarizer to improve contrast for liquid crystal display from down view angle A polarizer to improve contrast for LCD from down view angle is produced by laminating a triacetate cellulose (TAC) sheet on each side of a polyvinyl alcohol (PVA) sheet and further on the toppest triacetate cellulose (TAC) sheet applying a surface-treatment layer that ... | 03/24/2005 |