| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 349024000 | Optical excitation | 29 |
| 20110037911 | DRIVING METHOD AND DISPLAY SYSTEM UTILIZING THE SAME - A driving method for a panel structure including at least two liquid crystal layers is disclosed. The liquid crystal layers display different colors. When the panel structure includes a first liquid crystal layer and a second liquid crystal layer, the first and the second liquid crystal layers are initialized. A light source is utilized to emit the first and the second liquid crystal layers to write data to at least one of the first and the second liquid crystal layers. When the panel structure further includes a third liquid crystal layer, the first, the second and the third liquid crystal layers are first initialized. A light source is utilized to emit the first, the second and the third liquid crystal layers to write data to at least one of the first, the second and the third liquid crystal layers. | 02-17-2011 |
| 20110085096 | OPTICAL WRITING DEVICE - To provide an optical writing device that outputs image light to be recorded to a display recording medium. An optical element thereof includes a two-dimensional periodic structural body including periodic structure sections sectioned along a direction orthogonal to the direction along which transparent layers and light absorption layers are arranged alternately in a repeated manner. At least a part of the periodic structure sections is in a periodic structure in which the transparent layers and the light absorption layers are arranged alternately by varying phases of spatial frequencies of the transparent layers neighboring in the orthogonal direction. Repeated period pitches of the transparent layers and the light absorption layers in the two orthogonal directions of the two-dimensional periodic structural body are set to match with each other, and the repeated period pitches are set to be narrower than a layout pitch of the pixels of the spatial light modulating element. | 04-14-2011 |
| 20120092574 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device with a high degree of freedom in the size of pixel electrodes. A liquid crystal display device ( | 04-19-2012 |
| 20120200794 | LIQUID CRYSTAL COMPOSITION COMPRISING POLYMERIZABLE COMPOUND, AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAID LIQUID CRYSTAL COMPOSITION - Disclosed is a liquid crystal composition formed by including a polymerizable compound represented by general formula (I) in a nematic liquid crystal composition with negative dielectric anisotropy (Δε). In the formula, ring C | 08-09-2012 |
| 20130107149 | LIQUID CRYSTAL DISPLAY DEVICE AND POLYMER FOR ALIGNMENT FILM MATERIALS | 05-02-2013 |
| 20130162920 | LIQUID CRYSTAL DISPLAY PANEL, LIQUID CRYSTAL DISPLAY DEVICE, AND POLYMER FOR ALIGNMENT FILM MATERIAL - In a photo-alignment liquid crystal panel capable of achieving a uniform display quality and highly reliable photo-alignment properties, and excellent electro-optical properties (transmittance, contrast, viewing angle, and response) for improving a basic performance and a high image quality of a liquid crystal panel and a liquid crystal display device, a structural composition of a polymer, which is preferable as a photo-alignment film, is unclear. The invention optimizes a copolymerization ratio and a modification rate of a photopolymer in order for a compound having photo-alignment properties to be contained as the photo-alignment film so as to enable the photo-alignment film to have the photo-alignment properties, and achieves the discovery of a preferred structural composition of the polymer. An object of the invention is to efficiently produce and provide a display panel and a liquid crystal display device that have excellent electrical properties and optical properties, and have a sufficient liquid crystal display quality and reliability. | 06-27-2013 |
| 20140028934 | METHOD FOR DESPECKLING IN LASER DISPLAY SYSTEMS - A device used in laser display systems for despeckling includes a liquid crystal cell disposed in sandwiched relation between an input and a grounded electrode. A glass cover overlies each electrode. In a first embodiment, the cell may include vertically or randomly oriented liquid crystal molecules and the liquid crystal cell is larger than a laser beam in size for random phase modulation or retardation. Light loss due to diffraction and scattering are substantially eliminated in the absence of pixel structures. In another embodiment, the input electrode is divided into two separate parts. Vertically aligned liquid crystal molecules rotate and follow field fringes created by applying a first voltage to the input electrodes. Additional embodiments include a device that has two wedge-shaped liquid crystal layers, a device that includes plural field-induced gradient index prisms, a device including a tilted mirror, and composite devices. | 01-30-2014 |
| 20140204295 | ELECTRONIC DISPLAYS USING OPTICALLY PUMPED LUMINESCENT SEMICONDUCTOR NANOCRYSTALS - A multicolor electronic display is based on an array of luminescent semiconductor nanocrystals. Nanocrystals which emit light of different colors are grouped into pixels. The nanocrystals are optically pumped to produce a multicolor display. Different sized nanocrystals are used to produce the different colors. A variety of pixel addressing systems can be used. | 07-24-2014 |
| 20150049267 | Optical Device - In a method of operating a liquid crystal device having a liquid crystal composition with smectic-A properties, a first waveform is applied to optically clear the device so that it is substantially transparent to visible light and a second waveform is applied to disorder the material of the liquid crystal composition to afford a strongly light-scattering state. The first waveform has a higher frequency than the second, waveform, and the method comprises applying a modified waveform to partially clear at least a portion of the device from the light-scattering state | 02-19-2015 |
| 20150301421 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display includes: first and second display panels facing each other; and a liquid crystal layer between the first display panel and the second display panel and including an alignment assisting agent. The first display panel includes: a first substrate; a first gate line and a second gate line on the first substrate and spaced apart from each other; a data line crossing the first gate line and the second gate line; a shielding electrode on the data line and insulated from the data line; a first electrode electrically connected with the first gate line and the data line; a passivation layer on the first electrode; and a second electrode on the passivation layer and electrically connected with the second gate line and the shielding electrode. The second display panel includes a third electrode on a second substrate. The second electrode includes a branch portion. | 10-22-2015 |
| 20150315012 | LIGHT DRIVEN LIQUID CRYSTAL ELASTOMER ACTUATOR - A liquid crystal elastomer actuator to move in a fluid is described herein. The actuator includes a body with dimensions between 100 nm and 800 μm having a low Reynolds number. The body includes a first and a second spatially separated volume, each comprising a liquid crystal elastomer. The first volume is doped with a first photoactive doping substance to absorb electromagnetic radiation at a first wavelength and the second volume is doped with a second photoactive doping substance to absorb electromagnetic radiation at a second wavelength. The first and second volumes change shape as a consequence of light absorption at the first or second wavelength, defining a first and a second joint. A first absorbance of the first volume at a given wavelength is different than a second absorbance of the second volume at a given wavelength, the first and second absorbance are measured in the same time interval. | 11-05-2015 |
| 349025000 | With photoconductive layer (e.g., spatial light modulator(SLMs)) | 18 |
| 20080231768 | PHOTOELECTRIC SENSOR, INFORMATION RECORDING METHOD, AND INFORMATION RECORDING SYSTEM - The present invention relates to an information recording system comprising an information recording medium and a photoelectric sensor capable of recording light information on the information recording medium in the form of visible information or electrostatic information, and to an information recording method wherein light information is recorded on an information recording medium utilizing an photoelectric sensor. | 09-25-2008 |
| 20090147161 | REFLECTIVE SPATIAL LIGHT MODULATOR - The present invention relates to a reflective spatial light modulator enabling improvement of light resistance and prevention of damaging of the liquid crystal layer. The reflective spatial light modulator controls phases of the incident light and a reflected light while reflecting light made incident from a front side, and comprises a liquid crystal layer, a dielectric multilayer film, and a phase shift layer. The liquid crystal layer is filled with a liquid crystal comprised of a light modulating material, and modulates the incident light. The dielectric multilayer film reflects the incident light. The phase shift layer is disposed between the liquid crystal layer and the dielectric multilayer film to shift phases of the incident light and the reflected light at an interface of the liquid crystal layer. | 06-11-2009 |
| 20090195716 | OPTICALLY WRITABLE DISPLAY MEDIUM AND OPTICAL WRITING METHOD - An optically writable display medium includes an optical switching element and a display element. The optical switching element includes a charge transport layer sandwiched between an upper charge generating layer and a lower charge generating layer. The display element includes a display layer having memory properties and is provided on the optical switching element. The absorption wavelength region of the upper charge generating layer and the absorption wavelength region of the lower charge generating layer are substantially different from each other. | 08-06-2009 |
| 20090231501 | METHOD FOR DRIVING LIQUID CRYSTAL DEVICE AND DRIVING APPARATUS FOR THE LIQUID CRYSTAL DEVICE - Sequentially performed are (1) an entire liquid crystal layer is initialized into a focal conic state, (2) an image is written onto the liquid crystal device by scanning with selecting exposure or non-exposure while applying a voltage that does not exceed a threshold value for a state change from the focal conic state to a homeotropic state during the non-exposure but exceeds the threshold value during the exposure and that causes the focal conic state and the homeotropic state to be bi-stable after the exposure, and (3) the application of the voltage is stopped to change a state of a portion, of which the state has changed to the homeotropic state, to the planer state. In (2), an electric field energy applied to an exposure portion of the liquid crystal layer is controlled to gradually increase from a start to an end of the series of scanning actions. | 09-17-2009 |
| 20100157180 | LIQUID CRYSTAL DISPLAY - A flexible liquid crystal display is provided wherein an addressable liquid crystal layer is disposed on a single flexible substrate so that the display itself will exhibit flexibility. The substrate is preferably a flexible non-transparent material and more preferably a drapable material such as fabric. | 06-24-2010 |
| 20100225837 | DISPLAY MEDIUM, DISPLAY DEVICE AND METHOD OF OPTICAL WRITING - The invention provides a display medium including: a first electrode; a second electrode; a liquid crystal layer provided between the first electrode and the second electrode; a photoconductive layer provided between the second electrode and the liquid crystal layer, the photoconductive layer absorbing light of a predetermined wavelength used for writing, and thereby exhibiting an electrical characteristic corresponding to the intensity distribution of the light used for writing; a first light absorption layer provided between the liquid crystal layer and the photoconductive layer, the first light absorption layer absorbing light transmitted through the liquid crystal layer; a second light absorption layer provided at the side of the second electrode not facing the photoconductive layer, the second light absorption layer allowing transmission of the light used for writing and having an absorbance of 1 or more with respect to light of any wavelength in a range of from 300 nm to 550 nm. | 09-09-2010 |
| 20110043716 | DISPLAY MEDIUM - A display medium comprises: a pair of electrodes to which a voltage is applied; and a liquid crystal layer stack provided between the pair of electrodes. The liquid crystal layer stack contains a first liquid crystal layer having a first liquid crystal that undergoes transition into a specific alignment state in response to the voltage applied to the electrodes becoming equal to or greater than a first voltage value, and a second liquid crystal layer having a second liquid crystal that undergoes transition into the specific alignment state in response to the voltage becoming equal to or greater than a second voltage value. The second voltage value is greater than the first voltage value, and the second liquid crystal has a higher isotropic phase transition temperature than the first liquid crystal. | 02-24-2011 |
| 20110051024 | PHOTO-ADDRESSABLE DISPLAY MEDIUM AND PHOTO-ADDRESSABLE DISPLAY DEVICE - A photo-addressable display medium is provided, the photo-addressable display medium including: a pair of electrodes having transparency; a photoconductive layer disposed between the pair of electrodes and having a laminated structure of a first charge generation layer, a charge transport layer and a second charge generation layer in this order from an exposing light irradiation side; and a liquid crystal layer disposed between an electrode of the inverse side to the exposing light irradiation side and the second charge generation layer and having memory performance, wherein the first charge generation layer and the second charge generation layer contain a phthalocyanine compound, and the charge transport layer contains a stilbene compound represented by the following formula (1): | 03-03-2011 |
| 20120038841 | SOLAR POWERED VARIABLE LIGHT ATTENUATING DEVICES AND ARRANGEMENTS - A solar powered variable light attenuating device includes a liquid crystal cell, a photovoltaic cell in electrical communication with the liquid crystal cell, and a light concentrator having a light absorbing surface and a light emitting surface optically coupled to the photovoltaic cell. At least a portion of light impinging on the light absorbing surface of the light concentrator is concentrated and directed through the light emitting surface to a photon-absorbing portion of the photovoltaic cell to generate a voltage. The generated voltage is used to change the liquid crystal cell from a de-energized state to an energized state in response to sunlight directed toward the photovoltaic cell. | 02-16-2012 |
| 20120099035 | OPTICALLY ADDRESSED LIGHT VALVE - An optically addressed light valve suitable for selectively limiting the transmission of radiation from high intensity light sources independent of wavelength using a TN liquid crystal cell and a photoconductive material (vanadium doped silicon carbide). | 04-26-2012 |
| 20120113338 | LIQUID CRYSTAL DISPLAY DEVICE HAVING RETARDATION FILM FORMED OF LIQUID CRYSTALLINE POLYIMIDE HAVING PHOTOREACTIVE GROUP - In a liquid crystal display device having a plurality of retardation films for alleviating a deterioration in display quality depending on a viewing angle direction, and a driving liquid crystal layer selected from the group consisting of a driving liquid crystal layer typified by a VA mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned perpendicular to a substrate when no electric field is applied, a driving liquid crystal layer typified by an IPS mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned parallel to the substrate when no electric field is applied, and a driving liquid crystal layer that shows optical isotropy when no voltage is applied, a retardation film of a positive A-plate formed of a liquid crystalline polyimide having a photoreactive group is used as at least one layer of the plurality of retardation films. | 05-10-2012 |
| 20140022474 | SPATIAL LIGHT MODULATOR, AND SPATIAL LIGHT MODULATING METHOD - A spatial light modulation device includes a liquid crystal layer modulating a phase of incident light according to a level of an applied electric field, a temperature sensor generating a temperature signal corresponding to a temperature of the liquid crystal layer, a plurality of pixel electrodes provided for each of a plurality of pixels and applying a voltage to the liquid crystal layer, and a driving device providing a voltage to the plurality of pixel electrodes. The driving device has a nonvolatile storage element storing in advance a coefficient α included in a function expressing a correlation between a temperature change amount in the liquid crystal layer and a variation in phase modulation amount in the liquid crystal layer, and performs a calculation for correcting a level of voltage by use of a temperature indicated by the temperature signal and the coefficient α. | 01-23-2014 |
| 20140036177 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY MODULE WITH PHOTOVOLTAIC CELL AND LIQUID CRYSTAL DISPLAY MODULE MANUFACTURED WITH SAME - The present invention provides a method for manufacturing liquid crystal display module with photovoltaic cell, which includes: (1) providing a substrate and a liquid crystal display panel; (2) forming a transparent conductive layer on the substrate through sputtering; (3) forming a first matrix, which is arranged to stay away from a pixel aperture of the liquid crystal display panel and is located below the TFT arrays; (4) forming a photovoltaic layer on the transparent conductive layer through chemical vapor deposition; (5) forming a second matrix corresponding to the first matrix; (6) forming a metal layer on the photovoltaic layer through sputtering; (7) forming a third matrix corresponding to the second matrix so as to form a photovoltaic cell on the substrate; (8) applying sealant to the substrate around the photovoltaic cell; and (9) bonding the substrate and the liquid crystal display panel to each other and curing the sealant. | 02-06-2014 |
| 20150301380 | METHODS AND APPARATUS FOR LIGHT HARVESTING IN DISPLAYS - Methods and apparatuses for harvesting light from displays. In one embodiment, the invention relates to a substrate having a first and a second surface, an edge and a luminescent dye. A photovoltaic transducer is positioned adjacent the substrate. Light passing through both the first and second surfaces of the substrate is polarized and light constrained within and traveling through the substrate interacts with the photovoltaic transducer to produce electric current. In one embodiment, the method of harvesting light from an illuminated electronic display including the steps of providing a light source, providing a substrate having a first and a second surface and an edge; and a luminescent dye; and providing a photovoltaic transducer positioned adjacent the substrate. Light passing through both the first and second surfaces of the substrate is polarized, and light constrained within and traveling through the substrate interacts with the photovoltaic transducer to produce electric current. | 10-22-2015 |
| 20160062179 | COLOR FILTER SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE - A dye-sensitized solar cell is formed on a substrate, and a coloring material pattern is formed on the substrate in an area different from an area where the dye-sensitized solar cell is disposed. The dye-sensitized solar cell includes a positive electrode and a negative electrode disposed facing one another, and a sensitizing dye adsorption layer and an electrolyte layer both formed between the positive electrode and the negative electrode. The coloring material pattern transmits wavelength components of light that differ from wavelength components of light transmitted by the sensitizing dye adsorption layer. | 03-03-2016 |
| 20160077367 | System And Method For Pulse-Width Modulating A Phase-Only Spatial Light Modulator - The present application provides a method of pulse width modulating a spatial light modulator. The method comprises determining a modulation sequence and applying said modulation sequence to said spatial light modulator in a time order method. Said modulation sequence comprises a plurality of minor modulation segments. Each minor modulation segment comprises an “always on” modulation segment in an “always on” state. Said plurality of minor modulation segments are temporally spaced such that said “always on” modulation segments are spaced at predetermined intervals. Each minor modulation segment comprises at least one thermometer bit. | 03-17-2016 |
| 349027000 | With silicon photoconductive layer | 1 |
| 20110216256 | REFLECTIVE TYPE TOUCH-SENSING DISPLAY PANEL AND MANUFACTURING METHOD THEREOF - A reflective type touch-sensing display panel including a front substrate, scan lines, data lines, pixel structures, photo-sensors, readout devices, a rear substrate and a reflective display medium is provided. The front substrate has an inner surface. The scan lines and the data lines are on the inner surface of the front substrate and intersected to each other. The pixel structures are disposed on the inner surface of the front substrate, and each pixel structure is electrically connected to one of the scan lines and one of the data lines correspondingly. The photo-sensors are disposed on the inner surface of the front substrate. Each readout device is electrically connected to one of the photo-sensor correspondingly. The rear substrate is disposed opposite to the front substrate. The reflective display medium is sealed between the front substrate and the rear substrate. | 09-08-2011 |
| 349029000 | With particular light blocking layer for separating read and write lights | 1 |
| 20090153755 | RECORDING MEDIUM, IMAGE WRITING DEVICE, STORAGE MEDIUM IN WHICH IMAGE WRITING PROGRAM IS STORED, AND IMAGE WRITING METHOD - A recording medium is provided. The recording medium includes: a first display component that is configured by laminating at least a first photoconductive layer, a first display layer and a light blocking layer; and a second display component that is configured by laminating at least a second photoconductive layer and a second display layer. The light blocking layer is disposed between the first photoconductive layer and the first display layer. The second display component is joined together with the first display component such that the second photoconductive layer and the first photoconductive layer are in proximity to each other, and the second display component, in response to irradiation with light for image writing from the second display layer side, displays an image represented by that light for image writing. | 06-18-2009 |
