...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7787065 | Liquid crystal display with photosensor and method of fabricating the same A liquid crystal display device comprises a liquid crystal panel including first and second substrates bonded to each other with a liquid crystal layer positioned therebetween, and the photosensor, formed on the second substrate, for sensing an external light from t... | 08/31/2010 |
| 7385655 | Electronic circuit device with optical sensors and optical shutters at specific locations An object of the present invention is to provide an electronic circuit device capable of reducing the occurrence of electromagnetic waves accompanying the propagation of a signal. The electronic circuit device comprises a plurality of transparent substrates, on whic... | 06/10/2008 |
| 7372608 | Light control device and light control system using the same A light control device includes a substrate, a first reflective layer, a light modulating film in which the refractive index varies according to an applied electric field, a transparent electrode, and a second reflective layer having a reflection characteristic such... | 05/13/2008 |
| 7336332 | Reflective type continuous domain in-plane switching liquid crystal display A reflective type IPS LCD includes a transparent upper substrate (100) and a lower substrate (200), and liquid crystal molecules (300) interposed between the substrates. A reflection layer (250) is disposed on the lower substrate. A plura... | 02/26/2008 |
| 7279730 | Light sensing element, array substrate having the same and liquid crystal display apparatus having the same In a light sensing element having simplified structure, an array substrate having the light sensing element and an LCD apparatus having the light sensing element, the light sensing element includes a first electrode, a control electrode and a second electrode. An al... | 10/09/2007 |
| 7257007 | Spacers for cells having spaced opposed substrates In an active semiconductor backplane for a liquid crystal spatial light modulator, spacers (25) which are distributed over the backplane extend above an array of electrical and/or electronic elements and comprise at least two layers essentially of the same ma... | 08/14/2007 |
| 7229902 | Method for making a semiconductor device including a superlattice with regions defining a semiconductor junction A method for making a semiconductor device may include forming a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and ... | 06/12/2007 |
| 7227174 | Semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction A semiconductor device may include a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and an energy band-modifying lay... | 06/05/2007 |
| 7202494 | FINFET including a superlattice A semiconductor device may include at least one fin field-effect transistor (FINFET) comprising a fin, source and drain regions adjacent opposite ends of the fin, and a gate overlying the fin. The fin may include at least one superlattice including a plurality of st... | 04/10/2007 |
| 7196728 | Method and apparatus for displaying images in combination with taking images An imaging apparatus. The apparatus includes a display mechanism for displaying an image. The apparatus includes a camera mechanism distributed throughout the display mechanism to take images of objects in view of the display mechanism. A screen. The screen includes... | 03/27/2007 |
| 7196390 | Solid state image wavelength converter A method for encoding information that is encoded in spatial variations of the intensity of light (24) of a first wave-length into light of a second wavelength, the method comprising: generating a first density distribution of electrons homologous with the sp... | 03/27/2007 |
| 7157315 | Active matrix substrate and method of fabricating the same An active matrix substrate includes a substrate composed of resin, and a polysilicon thin film diode formed on the substrate. The polysilicon thin film diode may be a lateral diode centrally having a region into which impurity is doped. As an alternative, the polysi... | 01/02/2007 |
| 7153763 | Method for making a semiconductor device including band-engineered superlattice using intermediate annealing A method for making a semiconductor device may include forming a superlattice including a plurality of stacked groups of layers, with each group of layers comprising a plurality of stacked base semiconductor monolayers defining a base semiconductor portion and at le... | 12/26/2006 |
| 7110055 | Reflective type ferroelectric liquid crystal display and driving method thereof The present invention discloses a reflective type ferroelectric liquid crystal display and a driving method thereof. The reflective type ferroelectric liquid crystal display comprises a display panel which is disposed between a polarization beam splitter and a mirro... | 09/19/2006 |
| 7106398 | Technological machinery for production of polarizers An apparatus for processing anisotropic films obtained from a liquid crystal solution containing at least one organic compound is provided. The apparatus comprises means for holding a substrate carrying an anisotropic film and a processing facility including at leas... | 09/12/2006 |
| 7105895 | Epitaxial SiObarrier/insulation layer A method for producing an insulating or barrier layer (FIG. 1B), useful for semiconductor devices, comprises depositing a layer of silicon and at least one additional element on a silicon substrate whereby said deposited layer is substantially free of defects... | 09/12/2006 |
| 7071119 | Method for making a semiconductor device including band-engineered superlattice having 3/1-5/1 germanium layer structure A semiconductor device includes a superlattice that, in turn, includes a plurality of stacked groups of layers. The device may also include regions for causing transport of charge carriers through the superlattice in a parallel direction relative to the stacked grou... | 07/04/2006 |
| 7061463 | Addressing technique for an active backplane device An active semiconductor backplane for a matrix liquid crystal display comprises a plurality of mutually exclusive sets of electrically-addressable elements defining a pixel array. Scanning circuitry addresses the sets one at a time. Set selection circuitry addresses... | 06/13/2006 |
| 7045813 | Semiconductor device including a superlattice with regions defining a semiconductor junction A semiconductor device may include a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and an energy band-modifying lay... | 05/16/2006 |
| 7045377 | Method for making a semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction A method for making a semiconductor device may include forming a superlattice comprising a plurality of stacked groups of layers. Each group of layers of the superlattice may include a plurality of stacked base silicon monolayers defining a base silicon portion and ... | 05/16/2006 |
| 7034329 | Semiconductor device including band-engineered superlattice having 3/1-5/1 germanium layer structure A semiconductor device includes a superlattice that, in turn, includes a plurality of stacked groups of layers. The device may also include regions for causing transport of charge carriers through the superlattice in a parallel direction relative to the stacked grou... | 04/25/2006 |
| 7009753 | Pattern generator The present invention relates to an apparatus for creating a pattern on a workpiece sensitive to radiation, such as a photomask a display panel or a microoptical device. The apparatus may include a source for emitting light flashes, a spatial modulator having modula... | 03/07/2006 |
| 6999106 | Reducing the bias on silicon light modulators A negative bias voltage may be utilized to bias a spatial light modulator and to enable the spatial light modulator to be modulated using relatively low supply voltages. During the negative frame, a positive bias voltage may be utilized and during the positive frame... | 02/14/2006 |
| 6937378 | Optically controlled device, method of controlling the optically controlled device, spatial light modulator, and projector An optically controlled device includes a transparent electrode, a conductivity variable portion, a driving electrode, a movable unit, and a support portion. A method of controlling the optically controlled device includes inputting a control light into the transpar... | 08/30/2005 |
| 6867821 | Image-sensing display device with particular lens and sensor arrangement An image-sensing display panel comprises an image display, including a display panel (30) and lighting means, and an image sensor (40). By using a reflective LCD display panel (30) and arranging the light guide (50) of the lighting means ... | 03/15/2005 |
| 6452088 | Power generating display A power-generating active-matrix display includes a first region having a plurality of solar cells arranged in a matrix; and a second region having a plurality of thin film transistors, each of which is associated with a pixel electrode and wherein the so... | 09/17/2002 |
| 6392732 | Active matrix type liquid crystal display apparatus An active matrix type liquid crystal display apparatus, including a pair of substrates and a liquid crystal layer interposed between said pair of substrates. One of the pair of substrates has plural scanning electrodes and plural signal electrodes arrange... | 05/21/2002 |
| 6219170 | Light modulation device, exposing device and display unit A light modulation device incorporating: a semiconductor layer 3 formed on the upper surface of a lower transparent electrode 2 and made of an n-type semiconductor material; and an upper transparent electrode 5 formed on the upper surface of the semicondu... | 04/17/2001 |
| 6069674 | Liquid crystal display apparatus The liquid crystal display apparatus of the invention includes a device-formed substrate, a counter substrate, and a liquid crystal layer interposed therebetween. The device-formed substrate includes: a plurality of display electrodes for applying display... | 05/30/2000 |
| 5847778 | Video display device In a projection type video display device comprising a light writing type spacial light modulator, disturbances brought about by a resetting pulse and appearing in a projected picture as a black belt or beat are prevented. This is accomplished by causing ... | 12/08/1998 |
| 5781267 | Anti-ferroelectric liquid crystal with black display in one frame, white in other and ratio giving grey scale The present invention provides a spatial light modulator comprising a photoconductor having a current rectifying function and a liquid crystal layer having an antiferroelectric phase as a phase of the liquid crystal located between a pair of transparent e... | 07/14/1998 |
| 5594567 | Spatial light modulator with a photoconductor having uneven conductivity in a lateral direction and a method for fabricating the same A spatial light modulator having a photoconductor, a matrix of reflectors and a modulating layer is disclosed. The portions of the photoconductor in between the reflectors have a smaller photoconductivity than those portions under the reflectors. The redu... | 01/14/1997 |
| 5583676 | Spatial light modulator, method of production thereof and projection-type display A spatial light modulator including a pair of transparent insulating substrates each having a transparent conducting electrode, the substrates forming a top layer and a bottom layer, a photoconductive layer, a liquid crystal layer and a reflection layer b... | 12/10/1996 |
| 5453860 | Spatial light modulator having a photoconductor with grooves and a quantum efficiency greater than unity A spatial light modulator includes: a modulating layer having optical properties changeable depending on the strength of an applied electric field; a pair of transparent electrode layers sandwiching the modulating layer for generating the electric field; ... | 09/26/1995 |
| 5384649 | Liquid crystal spatial light modulator with electrically isolated reflecting films connected to electrically isolated pixel portions of photo conductor Pixel portions of a photoconductive layer each have a pin structure for providing a rectifying function and are substantially electrically isolated from one another by a highly resistant inter-pixel portion for preventing diffusion of electrical carriers.... | 01/24/1995 |
| 5258860 | Optical phase adder A photosensitive element 46 absorbs at least a portion of an incident write beam 40, causing a spatially varying electric field to be applied across a layer of a ferroelectric liquid crystal (FLC) 48, thereby forming a pattern of local polarizations corre... | 11/02/1993 |
| 5233450 | Liquid crystal photoconductive layer including a back-to-back diode A liquid crystal element of optical writing type includes a pair of transparent substrates respectively having electrodes formed on the overall surfaces thereof. The liquid crystal element also includes a photoconductive layer formed on one of the transpa... | 08/03/1993 |
| 5210628 | Liquid crystal light valve with photosensitive layer having irregular diode pattern A photosensitive layer of a liquid crystal light valve is made of a single crystal silicon wafer (14,70) bearing an irregular pattern of diodes (50a,50b, 60a,60b). The diodes are varied in size, shape and location so as to improve resolution, reduce interactio... | 05/11/1993 |
| 5178445 | Optically addressed spatial light modulator The present invention relates to an optically addressed spatial light modulator with high spatial resolution and a fast response. The spatial light modulator includes photoresponsive layers of amorphous silicon and light modulating layers of ferroelectric... | 01/12/1993 |
| 5177628 | Self-powered optically addressed spatial light modulator A self-powered liquid crystal spatial light modulator is disclosed having a pair of spaced transparent glass plates, on each plate of which a transparent electrically conductive film is coated so as to be in confronting relation. A voltage/current generat... | 01/05/1993 |