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| Number | Title | Issue Date |
| 8184214 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 05/22/2012 |
| 8154671 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 04/10/2012 |
| 8154672 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 04/10/2012 |
| 8144269 | Reflective LCOS displays utilizing novel polarizing beam splitters Disclosed are display systems using reflective liquid-crystal microdisplays that efficiently use unpolarized light sources without needing to double the étendue of the source as occurs with conventional polarization conversion systems. Furthermore, the display syst... | 03/27/2012 |
| 8130331 | Projection-type display apparatus Provided are an illumination optical system allowing light beams to be condensed and enter an illumination area at different angles from each other, color separating elements that separate colors of the light beams from the illumination optical systems, liquid cryst... | 03/06/2012 |
| 8125579 | Polarized light emitting diode and use thereof Provided is a light emitting diode (LED). The LED, in one embodiment, includes a reflective layer located over a substrate and a quarter wave plate emitter layer located over the reflective layer. The quarter wave plate emitter layer, in this embodiment, is substant... | 02/28/2012 |
| 8111337 | Liquid crystal projector An LCD projector has LCD panels, each including polarization plates one on the light incidence side and another on the light emitting side of each LCD panel. The LCD panel is provided with a highly transparent auxiliary polarization plate between the LCD panel and t... | 02/07/2012 |
| 8107021 | Liquid crystal projection apparatus utilizing image synthesizing unit with liquid crystal panel holders A liquid crystal projection apparatus having an image synthesizing unit including a color synthesization prism having an upper surface, a lower surface facing the upper surface, and three light incident faces between the upper and lower surfaces; an upper prism pede... | 01/31/2012 |
| 8107020 | Color-based microdevice of liquid crystal on silicon (LCOS) microdisplay The invention pertains to an improved LCOS microdevice that eliminates colored lights required generally in a prior art system. According to one aspect of the present invention, the LCOS structure uses color filters directly in the LCOS chip. Depending on the number... | 01/31/2012 |
| 8107022 | Liquid crystal device and electronic apparatus An LCD having pixels arrayed along a first direction and a second direction crossing the first direction includes: opposite first and second substrates having facing first and second surfaces, respectively; a first light shielding layer formed along the second direc... | 01/31/2012 |
| 8098339 | Integrated single panel projection engine The present invention discloses an integrated single-panel projection engine (500) including a collimated light source (400), a main polarization beam splitter (200), a supporting polarization beam splitter (210), a reflective quarter wav... | 01/17/2012 |
| 8054389 | Liquid crystal display apparatus having particular optical compensation layers A liquid crystal display apparatus which includes an optical compensation layer in addition to a liquid crystal panel and which is capable of preventing degradation of the optical compensation layer, thereby providing high long-term reliability in display characteri... | 11/08/2011 |
| 8049823 | Projector, optical compensation method therefor, and liquid crystal device The disclosure is directed to projectors, optical compensation methods and liquid crystal devices. In one example, a liquid crystal panel has a liquid crystal layer pinched between a pair of substrates. A pair of polarizing plates is disposed with the liquid crystal... | 11/01/2011 |
| 8026985 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 09/27/2011 |
| 8023050 | Optical device and projector An optical device includes a vertically aligned liquid crystal cell that holds a liquid crystal material, a compensating element made of a negative uniaxial refractive material having an optical axis tilted with respect to a system optical axis, and having a fixed p... | 09/20/2011 |
| 7940341 | Light source for a projector A projector includes a plurality of illumination modules. Each illumination module includes a light source, such as a semiconductor light emitting diode, and an optical element configured to receive light from the light source and collimate the light into a beam. Li... | 05/10/2011 |
| 7894004 | Liquid crystal display apparatus, manufacturing method thereof, and liquid crystal projector A highly moisture-resistant liquid crystal display apparatus which is capable of suppressing display deterioration due to occurrence of image retention without impairing properties including gap controllability and alignment stability maintenance, and a manufacturin... | 02/22/2011 |
| 7884887 | Projector device comprising optical compensation sheet holder including turning member and sliding member A liquid crystal projector device of the present invention has a liquid crystal panel and a polarizing plate oppositely arranged on each optical path of light of three primary colors, and a rectangular optical compensation sheet for compensating birefringence of liq... | 02/08/2011 |
| 7847867 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 12/07/2010 |
| 7843515 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarte... | 11/30/2010 |
| 7804549 | Image display system and light source unit The present invention provides an image display system that secures a bright image and reduces cross-talk of a three-dimensional image display of a liquid-crystal type and provides a large viewing angle. The image display system includes a filter having a first area... | 09/28/2010 |
| 7760275 | Phase difference compensating element, liquid crystal device, and projection type display apparatus A phase difference compensation element comprises at least one birefringent laminate, which contains a light transmissive base material and “a” number, where a≧2, of inorganic oblique incidence vacuum deposited films varying in direction of oblique evaporation... | 07/20/2010 |
| 7724313 | Automatic dust-removing device for a liquid crystal panel and projector using the same A projector (100) includes a light source unit (20), a light polarizing module (11), a color light separation optical module (12), a reflection mirror group (13), a liquid crystal panel group (17), a cross dichroic prism ( | 05/25/2010 |
| 7714944 | Projection system The main object of the present invention is to present a projection system excellent in visibility from inside of projection system to outside, and capable of obtaining a sharp contrast display without being influenced by the ambient light. The present invent... | 05/11/2010 |
| 7705922 | Projection type image display apparatus A duct was configured such that an incident side and an outgoing side of each of liquid crystal panels 34r, 34g, and 34b are formed with discharge ports r1 and r2, g1 and g2, and b1 and b | 04/27/2010 |
| 7595848 | Reflective liquid crystal display apparatus At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which comprises: a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quar... | 09/29/2009 |
| 7589797 | High efficiency liquid crystal display projection system A transmitting-type liquid crystal display projection system including a planar light source which emits planar white beam or planar R/G/B beams in succession is provided. A first polarization filter receives the planar light source and polarizes the same to be in a... | 09/15/2009 |
| 7580083 | Color-filterless LCD A color-filterless liquid crystal display (LCD) device that can be employed not only in small size LCD units but also in large size LCD units is provided. The color-filterless LCD device includes a backlight unit which emits light; a light path converter which refra... | 08/25/2009 |
| 7564505 | Optical device and projector equipped with the same An optical device includes a plurality of light modulators that modulate a plurality of color light components according to image information about each color light component and a combining optical unit that combines modulated color light components involving corre... | 07/21/2009 |
| 7557868 | Liquid crystal projector device A liquid crystal projector device of the present invention includes three image generating units for generating image light of three primary colors. Each image generating unit has a polarizing plate and an optical compensating plate held by a combination frame and p... | 07/07/2009 |
| 7542101 | Dioptric element array substrate, image display device and image display apparatus A dioptric element array substrate 10 includes: a first dioptric element array 2 having a plurality of first dioptric elements 2a arranged two-dimensionally; a second dioptric element array 4 having a plurality of second dioptric e... | 06/02/2009 |
| 7532261 | Projection system with polarization direction rotating member An exemplary projection system includes a light source unit, a polarization direction rotating member, a polarization direction restoration polarizer, an LCD panel, and a projection lens. The light source unit is configured for emitting polarized light with a first ... | 05/12/2009 |
| 7528892 | Projector device A liquid crystal projector device of the present invention includes a lamp unit, an optical system for separating light emitted from the lamp unit into light of three primary colors, and an image synthesizer for generating image light of three primary colors from th... | 05/05/2009 |
| 7518662 | Contrast enhancement for liquid crystal based projection systems Described are tilted compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states, including a single tilted biaxial retarder or compound retarder comprising more than one biaxial film, which are effective to compensate b... | 04/14/2009 |
| 7511773 | Polarized light conversion apparatus A polarized light conversion apparatus comprises a polarization device, a light source, a reflection device and a phase changing device. The polarization device includes a light-transmissible body and a polarization film. The light-transmissible body includes an inc... | 03/31/2009 |
| 7480013 | Projection type display apparatus One of preferred embodiments of a projection type display apparatus comprises a housing including a first surface inclined at an angle of 45 degrees with respect to an optical axis of the incoming light, a second surface, and a third surface. The second and the thir... | 01/20/2009 |
| 7466369 | Portable projector using a transmissive microdisplay A portable micro-display projector uses a light transmissive liquid crystal display system wherein light is projected co-linearly from a light source through, and is selectively altered by, a transmissive liquid crystal display or liquid crystal light valve of the l... | 12/16/2008 |
| 7466368 | Image projection apparatus and adjusting method used for the same An image projection apparatus includes a first reflection type liquid crystal display device for modulating and reflecting red light, a second reflection type liquid crystal display device for modulating and reflecting green light, a third reflection type liquid cry... | 12/16/2008 |
| 7443657 | Dual position display in an electronic device An apparatus and method are disclosed for an electronic device (100) to incorporate two housing members (104, 106) to expose a first portion (112) of a display or screen (110) when closed. When the two members (104, 106) are moved ... | 10/28/2008 |
| 7434946 | Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipa... | 10/14/2008 |
