Patents Issued in July 25, 2019
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Publication number: 20190227169Abstract: A time-of-flight camera includes a light generator that generates an emitted light wave, a light sensor that receives a reflected light wave that corresponds to the emitted light wave reflected from an object, and distance determination circuitry. The distance determination circuitry determines response signals based on the reflected light wave, calculates signs corresponding to differences between pairs of the response signals, determines a phase region based on the signs, and determines a distance between the time-of-flight camera and the object based on a ratio of the differences.Type: ApplicationFiled: January 24, 2018Publication date: July 25, 2019Inventor: Ping Wah Wong
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Publication number: 20190227170Abstract: A distance measurement apparatus includes a light emission circuit that includes a switch, a capacitor, a light-emitting element, and a protection element. The light emission circuit charges and discharges the capacitor by opening and closing the switch based on a light emission control signal, and enables the light-emitting element to emit light using electric power during discharge by the capacitor. The light emission circuit is configured such that a parasitic inductance of a first circuit is greater than a parasitic inductance of a second circuit, where the first circuit is a circuit in which the switch, the capacitor, and the light-emitting element are connected in series and in a ring shape, and the second circuit is a circuit in which the switch, the capacitor, and the protection element are connected in series and in a ring shape.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Inventor: Kosuke NIIMURA
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Publication number: 20190227171Abstract: A circuit configured to emit pulsed light includes a voltage generating circuit, a light emitting element, a circuit wiring that connects the voltage generating circuit and the light emitting element, a charge capacitor with its end connected to the circuit wiring, and a switching element configured to be turned on or off to apply voltage to the light emitting element. The inductance component for the circuit wiring is derived based on a relationship of the pattern length, pattern width and pattern thickness of the circuit wiring. In this manner, an inductance value of not greater than 1.4 nH can be set and suitably used for achieving an attenuation of at or below 3 dB in a circuit emitting light at a pulse width of 2 ns or less.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Applicant: TOPCON CORPORATIONInventors: Hideki MORITA, Ken'ichiro YOSHINO
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Publication number: 20190227172Abstract: Systems and processes for increasing the effective sampling density of a LADAR data set are disclosed. LADAR data points are merged with data regarding edges of objects within the physical space represented by the LADAR data points to form a merged LADAR-edge point cloud. Each data point within the merged LADAR-edge point cloud is examined to identify co-planar neighboring data points within a defined search area. Additional data points are added to the LADAR-edge point cloud by interpolating between the identified, co-planar neighboring data points.Type: ApplicationFiled: January 13, 2015Publication date: July 25, 2019Applicant: RAYTHEON COMPANYInventor: Matthew A. Schaefer
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Publication number: 20190227173Abstract: A technique is provided to more easily measure a distance of a target from a ground surface or a ceiling surface. A surveying device has a laser scanner part and a total station in a unitary manner. The surveying device includes a TS functional part, a laser scanner part, and a distance calculator. The TS functional part positions a reflective prism by using laser light. The laser scanner part performs laser scanning of a ground surface along a vertical plane containing the reflective prism and an optical axis for the laser positioning to obtain a laser scanned point cloud. The distance calculator calculates a distance between the ground surface and the reflective prism on the basis of one or multiple points, which are extracted from the laser scanned point cloud and in proximity to a straight line connecting the reflective prism and a specific plane.Type: ApplicationFiled: January 3, 2019Publication date: July 25, 2019Applicant: TOPCON CORPORATIONInventor: Nobuyuki NISHITA
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Publication number: 20190227174Abstract: Exposure control apparatus to control an integration period of a time-of-flight image capture sensor comprising an illumination source providing pulsed illumination at a pulse repetition frequency, in which each pixel of an array of pixels is represented by multiple pairs of tap values, each pair of tap values being indicative of light sampled according to a pulsed sampling pattern having a respective phase relationship with the pulsed illumination of the illumination source comprises a detector configured to detect, for a selected tap value of a set of one or more target pixels, a portion of that tap value which is independent of the integration period and a portion which is dependent upon the integration period; and a controller configured to select a next integration period for the image capture sensor so that for a next pixel integration of the set of one or more target pixel values, the portion of the largest tap value which is dependent upon the increased integration period is substantially equal to theType: ApplicationFiled: January 10, 2019Publication date: July 25, 2019Applicant: Sony Semiconductor Solutions CorporationInventor: Yasunobu Hitomi
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Publication number: 20190227175Abstract: A LIDAR system, comprising: (a) a plurality of anchored LIDAR sensing units, each anchored LIDAR sensing unit comprising at least: (i) a housing; (ii) at least one detector, mounted in the housing, configured to detect light signals arriving from objects in a field of view of the anchored LIDAR sensing unit; and (iii) a communication unit, configured to output detection information which is based on outputs of the at least one detector and which is indicative of existence of the objects; and (b) at least one integratory processing unit, configured to receive the detection information from two or more of the plurality of anchored LIDAR sensing units, and to process the received detection information to provide a three dimensional model of a scene which is larger than any of the field of views of the independent anchored LIDAR sensing units.Type: ApplicationFiled: January 23, 2019Publication date: July 25, 2019Applicant: Innoviz Technologies Ltd.Inventors: Amit Steinberg, Alon Gan
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Publication number: 20190227176Abstract: A system and method of determining a geographical location of a vehicle. The method carried out by the system includes: obtaining geographical coordinates of the vehicle; determining a lateral ground displacement within a roadway on which the vehicle is traveling; receiving geographical map data that includes one or more roadways including the roadway on which the vehicle is traveling; and adjusting the geographical coordinates of the vehicle based on the lateral ground displacement and the geographical map data.Type: ApplicationFiled: January 23, 2018Publication date: July 25, 2019Inventors: Xiaofeng F. Song, Bing Deng, Jun Yuan
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Publication number: 20190227177Abstract: A device and a method for detecting an erroneous determination of a geographical position of a vehicle. The device includes a sensor that is configured to determine a first yaw rate of the vehicle, a satellite navigation receiver that is configured to receive satellite signals during a predetermined time period, to determine a multiplicity of geographical positions of the vehicle on the basis of the received satellite signals, and to determine a geographical reference position of the vehicle on the basis of the multiplicity of geographical positions, and a processor that is configured to determine a second yaw rate of the vehicle on the basis of the determined geographical reference position of the vehicle, and to compare the first yaw rate with the second yaw rate in order to detect the erroneous determination of the geographical position of the vehicle.Type: ApplicationFiled: August 18, 2017Publication date: July 25, 2019Applicants: Continental Teves AG & Co. oHG, Continental Automotive GmbHInventors: Michael ZALEWSKI, Burkhard KESSLER, Sergey AZARKEVICH, Holger FAISST
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Publication number: 20190227178Abstract: A method, system, and computer-readable medium for performing a flight check of one or more navigational aid systems. Aspects include obtaining, using an aircraft, first information associated with an accuracy of signals transmitted by a localizer. Aspects also include obtaining, using the aircraft, second information associated with an accuracy of signals transmitted by a glide slope station. Aspects also include transmitting the first information and the second information to a ground receiver for processing.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventors: Tom OTSUBO, Richard MULLIN
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Publication number: 20190227179Abstract: A method of reducing tropospheric effects in GNSS positioning includes determining a tropospheric delay by: determining zenith delays for geographical areas along a path of GNSS signal travel between a GNSS satellite and the first location of the electronic device, the zenith delays determined using current weather information of the geographical areas, the geographical areas traversed by the path represented by cells of a grid, the cells comprising a selected size; determining path delays for the geographical areas by adjusting the zenith delays based on an angle of the GNSS satellite relative to the electronic device; and summing the path delays to determine the tropospheric delay.Type: ApplicationFiled: June 9, 2017Publication date: July 25, 2019Inventor: Muhammad Haris AFZAL
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Publication number: 20190227180Abstract: An electronic device includes a GPS unit, a GPS information acquisition unit, a sensor information acquisition unit, and a reception condition determination unit. The GPS unit receives a radio wave from at least one of a plurality of positioning satellites. The GPS information acquisition unit acquires ephemeris information by the GPS unit and acquires satellite arrangement information of each of the plurality of positioning satellites acquiring the ephemeris information. The sensor information acquisition unit acquires geographical condition information of a current location at which the electronic device is present. The reception condition determination unit identifies the number of positioning satellites that the receiving unit can capture at the current location among the plurality of positioning satellites acquiring the ephemeris information based on the geographical condition information of the current location and the satellite arrangement information.Type: ApplicationFiled: January 14, 2019Publication date: July 25, 2019Applicant: CASIO COMPUTER CO., LTD.Inventor: Naoto Toda
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Publication number: 20190227181Abstract: A method includes directing a probe beam to a target that includes an array of data portions in a data storage medium arranged so that a beam area of the probe beam extends across a plurality of adjacent data portions, the array including a data portion subset with each data portion of the subset responsive to the probe beam to produce a response illumination, receiving the response illumination at a detector, and determining data values corresponding to the plurality of adjacent data portions based on the received response illumination. Apparatus and systems are also disclosed.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Applicant: Battelle Memorial InstituteInventors: David W. Gotthold, Andrew J. Stevens, Nigel D. Browning, Eric Jensen, Nathan L. Canfield, Alan G. Joly
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Publication number: 20190227182Abstract: An inventive assembly method is for the production of an x-ray detector. In an embodiment, the method includes positioning a plurality of sensor surface elements, formed from an x-ray radiation-sensitive material, on an assembly carrier; placing an interposer on a contact side of each of the plurality of sensor surface elements, divided into a plurality of pixels and arranged opposite the assembly carrier, such that respective contact elements arranged on a mating contact side of the interposer, facing towards respective ones of the plurality of sensor surface elements, each contact a pixel; and respectively putting evaluation circuits on a circuit side of the interposer, opposite to the mating contact side of the interposer, for each of the plurality of sensor surface elements.Type: ApplicationFiled: January 10, 2019Publication date: July 25, 2019Applicant: Siemens Healthcare GmbHInventors: Thorsten Ergler, Miguel Labayen De Inza, Jan Wrege
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Publication number: 20190227183Abstract: A method of generating target-oriented acquisition-imprint-free prestack angle gathers using common focus point (CFP) operators includes receiving a plurality of seismic traces associated with a target point in a reservoir. A first angle domain common image gather (ADCIG) is generated based on the received plurality of seismic traces. A plurality of synthetic traces associated with the target point is generated. A second ADCIG is generated based on the synthetic traces. An enhanced ADCIG is generated using the first ADCIG and the second ADCIG.Type: ApplicationFiled: January 23, 2018Publication date: July 25, 2019Applicant: Saudi Arabian Oil CompanyInventors: Hongwei Liu, Mustafa Al-Ali
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Publication number: 20190227184Abstract: Techniques are disclosed that facilitate use of a distributed vibration sensing system for collecting data in a well application to provide improved collection of strain related data, such as for a seismic survey. The techniques facilitate selection of a variable optimal gauge length that optimally preserves the signal bandwidth and temporal resolution of the sensing system and that can be tuned using the actual apparent velocity and maximum recoverable frequency of the monitored parameters. Techniques for real-time processing of DVS data using a preliminary variable optimal gauge length are disclosed, as well as techniques for re-processing the DVS data at a later time using an updated variable optimal gauge length that is derived from the preliminary processing of the DVS data.Type: ApplicationFiled: January 22, 2018Publication date: July 25, 2019Inventors: Theo Cuny, Ali Ozbek, Arthur Hartog
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Publication number: 20190227185Abstract: A method is described for predicting fault seal from a digital pre-stack seismic image including defining a window based on the at least one fault surface; calculating, via the computer processor, a seismic amplitude vs reflection angle (AVA) pattern at each spatial location on the at least one fault surface by obtaining a median value of all amplitudes within the window centered on the spatial location for a given reflection angle, and repeating the calculating for each angle in the digital pre-stack seismic image to create a complete AVA pattern along the fault surface; evaluating the complete AVA pattern along the fault surface to generate a predicted fault seal; and identifying geologic features based on the predicted fault seal. The method may be executed by a computer system.Type: ApplicationFiled: May 26, 2017Publication date: July 25, 2019Inventors: Huafeng LIU, Donald Arthur MEDWEDEFF
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Publication number: 20190227186Abstract: Seismic data obtained from a seismic survey conducted of a subterranean region is received. The seismic data includes multiple frequency components, having a frequency bandwidth. A target, to-be-picked horizon is identified by displaying well data on the seismic section and correlating the seismic reflector with layer tops in the well data. A horizon represents a seismic reflector between two geological layers in the subterranean region. A single frequency that gives rise to a predetermined continuity along the target horizon is determined from the frequency bandwidth of the seismic data. The seismic data is filtered to mono-frequency volumes. The mono-frequency seismic volumes include a single frequency component. A horizon is picked corresponding to the target horizon based on the mono-frequency volumes. The identified horizon corresponding to the target horizon is output for determining geological features of the subterranean region based on the identified horizon.Type: ApplicationFiled: January 19, 2018Publication date: July 25, 2019Applicant: Saudi Arabian Oil CompanyInventors: Mohammed Saleh Bin Gubair, Maher Al Marhoon
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Publication number: 20190227187Abstract: Embodiments of the present disclosure describe methods for efficient wavefield solutions, the methods including defining a wave equation as a linear portion and as a nonlinear portion; and solving the wave equation via an iterative process, the iterative process including, at each iteration, performing LU decomposition before solving the nonlinear portion, or obtaining best finite difference coefficients by solving an optimization equation.Type: ApplicationFiled: September 8, 2017Publication date: July 25, 2019Inventors: Zedong WU, Tariq Ali ALKHALIFA
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Publication number: 20190227188Abstract: Electrostatic field sensor and security system in interior spaces and exterior spaces which can measure electrostatic fields and the variations thereof along a metal conductor that acts as a detection probe or antenna (1). The antenna (1) is connected to an electronic circuit (2, 3, 4, 31, 32) which is able to decode the changes in the electrostatic field around the conductor and to detect minuscule variations in the electrostatic field by means of a processor (7) enabling the clear detection of a human presence in an area surrounding the antenna (1) and the ability to differentiate between a human presence and any other type of animal or object.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Inventor: Juan APONTE LUIS
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Publication number: 20190227189Abstract: A sub adapted for injection into the wellbore and sensing, the sub comprising: (a) an elongated body; (b) an inner bore having multi-material spacers of different radiation transparencies; and (c) an outer wall having recessed portions along an outside diameter, forming circumferential windows configured to align with a radioactive source and sensors and configured to guide a radioactive energy's path into a formation and back to sensor.Type: ApplicationFiled: January 25, 2019Publication date: July 25, 2019Inventor: CURTIS LENTZ
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Publication number: 20190227190Abstract: A millimeter wave security inspection instrument debugging system and a millimeter wave security inspection instrument debugging method, which are used for debugging the imaging definition of a millimeter wave holographic imaging security inspection system. A main control apparatus is used for generating a millimeter wave detection signal and a reference signal. The main control apparatus is also used for, where a millimeter wave transmitting antenna, a millimeter wave receiving antenna and a detected object are respectively located at different relative positions, transmitting the millimeter wave detection signal to the detected object by means of the millimeter wave transmitting antenna, and receiving an echo signal reflected from the detected object by means of the millimeter wave receiving antenna, and then using a holographic image technique to perform three-dimensional imaging according to the reference signal and the echo signal.Type: ApplicationFiled: July 6, 2017Publication date: July 25, 2019Inventors: Chunchao QI, Chao Sun, Shukai Zhao, Guangsheng WU, Qing DING
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Publication number: 20190227191Abstract: Technologies related to training machine-learning-based surrogate models for phase equilibria calculations are disclosed. In one implementation, an equation of state (EOS) for each of one or more regions of a reservoir is determined based on results of one or more pressure, volume, or temperature (PVT) experiments conducted on samples of downhole fluids obtained from one or more regions of the reservoir. Compositions of the samples of the downhole fluids are determined and spatially mapped based on interpolations between the one or more regions of the reservoir. One or more PVT experiments are simulated for the spatially mapped compositions of the downhole fluids using the determined EOS to create a compositional database of the reservoir. One or more machine-learning algorithms are trained using the compositional database, and the trained one or more machine-learning algorithms are used to predict phase stability and perform flash calculations for compositional reservoir simulation.Type: ApplicationFiled: January 25, 2018Publication date: July 25, 2019Inventors: Vinay Raman, Todd R. Ferguson
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Publication number: 20190227192Abstract: A method for monitoring salt creep while drilling includes obtaining data representing a subterranean domain, the subterranean domain comprising a salt layer, obtaining an initial model of salt creep for a well penetrating the salt layer, generating a second model of salt creep by revising the initial model while drilling the well based on measurements collected in the well, and determining one or more revised drilling parameters using the second model while drilling the well.Type: ApplicationFiled: September 7, 2017Publication date: July 25, 2019Inventors: Joao Paulo Castagnoli, Cyrille Montesinos, Diego Armando Munoz Sanchez
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Publication number: 20190227193Abstract: A decision-making support method is presented for issuing warnings and selecting mitigation actions parameterized by the turn of weather and/or climate information into a single decision index. A decision-making support method was developed from the Global Weather Decision Index (WDI) or Climate Decision Index (CDI), which is based on user preferences in relation to three characteristics of weather-climate information: a) value of the weather-climate variable; b) probability of occurrence; and c) lead-time of weather-climate information. The presented embodiments were initially developed having as the field of application the area of aerospace meteorology, as motivation the rockets launch operations in space centers. However, the decision-making process under weather uncertainty is relevant in other applications where weather or climate conditions may cause some kind of impact on activities.Type: ApplicationFiled: September 19, 2016Publication date: July 25, 2019Inventors: Amaury Caruzzo, Mischel Carmen Neyra Belderrain, Gilberto Fernando Fisch
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Publication number: 20190227194Abstract: A method for forecasting flood, the method including: calibrating the hydrological model by using an objective function that is a sum of squared difference between the observed streamflow and the corresponding forecasted streamflow at each lead time to obtain the optimized hydrological model; using the optimized hydrological model to forecast floods; and evaluating forecasting performance of the optimized hydrological model. The method improves the forecasting accuracy and provides forecasting results at various lead times.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Yan ZHAO, Pan LIU, Chao DENG
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Publication number: 20190227195Abstract: The present invention aims to provide an optical layered body that has excellent interlayer adhesiveness, particularly even in outdoor use, and also has highly excellent anti-blocking properties. The present invention relates to an optical layered body including: a substrate film; a hard coat layer containing silica fine particles on at least one surface of the substrate film; and a dry film layer on a surface of the hard coat layer opposite to the substrate film side surface of the hard coat layer, wherein the silica fine particles are exposed on the dry film layer side surface of the hard coat layer; the dry film layer is directly formed on the surface of the hard coat layer on which the silica fine particles are exposed; the hard coat layer before the formation of the dry film layer has projections and depressions on the surface on which the dry film layer is to be formed; the hard coat layer has an average silica fine particle abundance in ten 0.2 ?m×0.Type: ApplicationFiled: July 10, 2017Publication date: July 25, 2019Applicants: Dai Nippon Printing Co., Ltd., Dexerials CorporationInventors: Tomoyuki HORIO, Masataka NAKASHIMA, Hiroshi NAKAMURA, Takahisa NOMURA, Seiji SHINOHARA, Kiyotaka MATSUI, Kentaro OSHIMA, Satoshi KUBOYAMA, Yukihiro ONO
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Publication number: 20190227196Abstract: An optical device and method for manufacturing the optical device is provided. The optical device comprises an optical article having a substrate, a primer layer, and a hard multi-coat (HMC). The HMC comprises at least one layer. At least one of the layers, the substrate, and the HMC comprises at least one carbon allotrope that is absorbed by diffusion. The method of manufacturing involves combining and organic solvent and deionized water to form a solution, mixing into the solution at least one carbon allotrope, applying sonication to the solution an optical article comprising at least one of a substrate, a primer layer on the substrate, and a HMC, immersing and then withdrawing the optical article from the solution, withdrawing the optical article from the solution, and evaporating excess liquid from the solution.Type: ApplicationFiled: December 16, 2016Publication date: July 25, 2019Inventor: William Eagerton
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Publication number: 20190227197Abstract: The present invention relates to an ophthalmic lens (L6) comprising a substrate (1) having a front main face and a rear main face, the front main face being surmounted by a multilayer inorganic coating (2) that has an average luminous reflectance factor Rv in the visible equal to or higher than 4% and that consists of a stack comprising: at least two low-refractive-index layers that each consist of a first material of refractive index lower than 1.55, and at least one high-refractive-index layer that consists of a second material of refractive index higher than 1.55 and that is located between two said low-index layers that are adjacent in said stack, characterized in that said coating (2) has a thickness smaller than or equal to 600 nm and a Bayer ISTM abrasion-resistance value higher than 10.Type: ApplicationFiled: August 18, 2017Publication date: July 25, 2019Inventors: Francis HENKY, Maud FRABOULET
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Publication number: 20190227198Abstract: The disclosure relates to a hydrophobic mirror. The hydrophobic mirror includes a support, a mirror body set in the support, and a hydrophobic film located on a surface of the mirror body. The hydrophobic film comprises a flexible substrate and a hydrophobic layer located on a surface of the flexible substrate. The hydrophobic layer comprises a base and a patterned bulge layer located on a surface of the base.Type: ApplicationFiled: December 17, 2018Publication date: July 25, 2019Inventors: YUAN-HAO JIN, QUN-QING LI, SHOU-SHAN FAN
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Publication number: 20190227199Abstract: A liquid optical module is provided, including a liquid lens driving mechanism and a liquid lens assembly. The liquid lens driving mechanism includes a fixed portion, a movable portion and a driving assembly. The movable portion is movably connected to the fixed portion. The liquid lens assembly includes a liquid lens element, a fixing member and a deforming member. The fixing member is disposed on a first fixed portion surface of the fixed portion, and the deforming member is disposed on a movable portion surface of the movable portion. The movable portion surface and the first fixed portion surface face the same direction, and when the movable portion is driven by the driving assembly to move relative to the fixed portion, the liquid lens element is deformed by the deforming member, causing the optical properties of the liquid lens element to change.Type: ApplicationFiled: January 25, 2019Publication date: July 25, 2019Inventors: Kuo-Chun KAO, Meng-Ting LIN, I-Mei HUANG, Sin-Jhong SONG
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Publication number: 20190227200Abstract: An optical system is provided, including a liquid optical module and a first optical module. The liquid optical module includes a liquid lens driving mechanism and a liquid lens assembly. The liquid lens driving mechanism includes a fixed portion, a movable portion and a first driving assembly configured to drive the movable portion to move relative to the fixed portion. The liquid lens assembly includes a liquid lens element, a fixing member and a deforming member. The first optical module is disposed in a receiving space of the fixed portion and includes: a first optical element and a first optical driving mechanism. When the movable portion is driven by the driving assembly to move relative to the fixed portion, the liquid lens element is deformed via the deforming member, causing the optical properties of the liquid lens element to change.Type: ApplicationFiled: January 25, 2019Publication date: July 25, 2019Inventors: Kuo-Chun KAO, Meng-Ting LIN, I-Mei HUANG, Sin-Jhong SONG
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Publication number: 20190227201Abstract: An optical system is provided, including a holder, a fixed module, a driving assembly, and a first resilient member. The holder is used for holding an optical element that defines an optical axis. The fixed module is movably connected to the holder and has a housing and a base connected to the housing. The base has a bottom surface parallel to the optical axis and a first pillar forming a first surface that is not parallel to the optical axis. The driving assembly drives the holder to move relative to the fixed module. The first resilient member is disposed on the first surface and movably connects the holder with the fixed module.Type: ApplicationFiled: January 25, 2019Publication date: July 25, 2019Inventors: Kuo-Chun KAO, Meng-Ting LIN, I-Mei HUANG, Sin-Jhong SONG
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Publication number: 20190227202Abstract: There are provided a multilayer light-blocking film and the like whose front and back surfaces are easy to discriminate while they have black light-blocking layers. A multilayer light-blocking film 100 has a multilayer structure comprising at least a substrate film 11, a black light-blocking layer 21 provided on one major surface 11a side of this substrate film 11, and a black light-blocking layer 31 provided on the other major surface 11b side. The black light-blocking layer 21 and the second black light-blocking layer 31 each have an optical density of 2.5 or more and a 60-degree glossiness of 5.0% or less, and the black light-blocking layer 21 has a 60-degree glossiness and/or a lightness L* different from the 60-degree glossiness and/or lightness L* of the black light-blocking layer 31.Type: ApplicationFiled: September 25, 2017Publication date: July 25, 2019Inventors: Tsuyoshi NAGAHAMA, Yasumaro TOSHIMA, Satoshi UEGAKI, Hiroki YAMAMOTO
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Publication number: 20190227203Abstract: An optical lens assembly includes at least two lens elements and at least one light blocking sheet. Each of the lens elements includes a connecting structure for aligning the two lens elements. Each of the connecting structures includes a connecting surface and a circular conical surface, and a receiving space is formed between the two lens elements. A vertical distance between the receiving space and an optical axis is shorter than a vertical distance between each circular conical surface and the optical axis. The light blocking sheet is received in the receiving space and has a polygonal opening, and an outside diameter of the light blocking sheet is smaller than or equal to a minimum diameter of each circular conical surface.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventors: Chih-Wen HSU, Ming-Ta CHOU
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Publication number: 20190227204Abstract: A compact integrator of light beams is disclosed using a diffractive optical element to integrate multiple beams into a single beam regardless of wavelength or polarization.Type: ApplicationFiled: January 19, 2019Publication date: July 25, 2019Inventors: Fusao Ishii, Mikiko Nakanishi, Kazuhiko Takahashi, Yuji Aburakawa
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Publication number: 20190227205Abstract: A retroreflector includes an arrangement of triples, each having three side surfaces, which are disposed in the manner of a cube corner and stand approximately perpendicular on one another. The retroreflector can be produced from a carrier material by injection molding. An optical silicone resin is used as the carrier material. The retroreflector is based on triple mirrors that are both easily unmolded from a die and easily applied to curved surfaces even after unmolding or are usable for reflection of ultraviolet light.Type: ApplicationFiled: January 17, 2019Publication date: July 25, 2019Inventor: Hans-Erich GUBELA
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Publication number: 20190227206Abstract: A retroreflector has an arrangement of triples, each having three side surfaces that stand essentially perpendicular on one another. The triples are disposed on a curved or domed surface. The geometry of the triple array is adapted to the curved surface, to even out the thresholds, and extend the side surfaces of a triple. The extensions of the side surfaces project into adjacent triples. Due to the extension projecting into adjacent triples, joints are formed there, which even out the uneven area. The joints can assume the form of a protrusion filled with material or a notch in which material is missing. A forming die produces the retroreflector and a method produces the forming die. The retroreflectors have geometries having full cube surfaces, in other words Full Cubes, for curved or domed surfaces or free-form surfaces.Type: ApplicationFiled: January 18, 2019Publication date: July 25, 2019Applicant: IMOS Gubela GmbHInventor: Simon WEINGAERTNER
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Publication number: 20190227207Abstract: An object of the present invention is to provide an optical filter having excellent visible light-cut characteristics and near-infrared rays transmission properties at a specific wavelength that are compatible with one another even in the case where the incident angle is increased, according to reduction in height of equipment on which an optical sensor device is provided. The optical filter of the present invention includes a base material (i) including a resin layer containing a compound (Z) having an absorption maximum in the wavelength region of 700 to 930 nm, and a dielectric multilayer film formed on at least one surface of the base material (i), and has specific optical properties.Type: ApplicationFiled: June 2, 2017Publication date: July 25, 2019Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Daisuke SHIGEOKA, Hiroyuki KISHIDA, Masako HORIUCHI
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Publication number: 20190227208Abstract: To provide an optical filter having shielding effects against near ultraviolet rays and near infrared rays. An optical filter comprising a transparent resin body having a single layer or multilayer structure, and containing a near ultraviolet absorbing dye (U) which is a compound represented by the following formula (U) and which has an absorption maximum at a wavelength of from 370 to 425 nm and has a molar absorptivity at the maximum absorption wavelength of at least 50,000 [L/(mol·cm)], and a near infrared absorbing dye (A) which has an absorption maximum at a wavelength of from 600 to 800 nm: In the formula (U), Y is an oxygen atom, a methylene group or a dimethylene group, R1 is a monovalent hydrocarbon group which may have a substituent, or the like, R2 to R5 are a hydrogen atom, an alkyl group, an alkoxy group or the like, and X is a bivalent group represented by any one of the formulae (X1) to (X5) or the like.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Applicant: AGC Inc.Inventors: Kazuhiko SHIONO, Asana YOSHIOKA, Shoko SUZUKI, Hiroki HOTAKA
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Publication number: 20190227209Abstract: The present invention is to provide a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. Disclosed is a color material dispersion liquid for color filters, including: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye: (symbols in the general formula (I) are as described in the Description.Type: ApplicationFiled: April 2, 2019Publication date: July 25, 2019Inventors: Michihiro OGURA, Tomoki MURATA, Fumiyasu MURAKAMI, Masato OKADA, Hiroaki SEGAWA
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Publication number: 20190227210Abstract: A bandpass filter may include a set of layers. The set of layers may include a first subset of layers. The first subset of layers may include hydrogenated germanium (Ge:H) with a first refractive index. The set of layers may include a second subset of layers. The second subset of layers may include a material with a second refractive index. The second refractive index may be less than the first refractive index.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: James SWITZER, III, Georg J. OCKENFUSS
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Publication number: 20190227211Abstract: Architectures are provided for selectively incoupling one or more streams of light from a multiplexed light stream into a waveguide. The multiplexed light stream can have light with different characteristics (e.g., different wavelengths and/or different polarizations). The waveguide can comprise in-coupling elements that can selectively couple one or more streams of light from the multiplexed light stream into the waveguide while transmitting one or more other streams of light from the multiplexed light stream.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventors: Michael Anthony Klug, Brian T. Schowengerdt, Michael Nevin Miller, Vikramjit Singh, Christophe Peroz, Pierre St. Hilaire, Jie Sun
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Publication number: 20190227212Abstract: A display device including a housing including sidewalls and mounting surfaces at upper ends of the sidewalls; a display panel housed in the housing; and a cover window on the display panel, wherein the cover window includes an upper surface that faces outwardly in a direction in which light is emitted, a lower surface opposite to the upper surface, the lower surface being narrower than the upper surface, and side surfaces that slope inwardly from ends of the upper surface to ends of the lower surface, the side surfaces being at least partially bent, and wherein the side surfaces of the cover window are mounted on the mounting surfaces of the housing.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Inventors: Min Seop KIM, Soon Sung PARK
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Publication number: 20190227213Abstract: A display backlight, comprises: an excitation source, LED (146), for generating blue excitation light (148) with a peak emission wavelength in a wavelength range 445 nm to 465 nm; and a photoluminescence wavelength conversion layer (152). The photoluminescence wavelength conversion layer (152) comprises a mixture of a green-emitting photoluminescence material with a peak emission in a wavelength range 530 nm to 545 nm, a red-emitting photoluminescence material with a peak emission in a wavelength range 600 nm to 650 nm and particles of light scattering material.Type: ApplicationFiled: April 19, 2018Publication date: July 25, 2019Inventors: Yi-Qun Li, Xianglong Yuan
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Publication number: 20190227214Abstract: A surface light source assembly includes at least one light emitting element, a light guide plate and a reflective sheet. Each of the light emitting elements has an annular light emitting side surface. The light guide plate has a bottom surface and a light exit surface opposite to the bottom surface. The bottom surface has at least one accommodating recess to accommodate at least one light emitting element. Each of the accommodating recesses has a light incident surface. The bottom surface further has a flat portion and at least one inclined surface portion. Each of the inclined surface portions is connected between the flat portion and the light incident surface of the corresponding accommodating recess. The reflective sheet is disposed below the flat portion. A light source module having the surface light source assembly is further provided.Type: ApplicationFiled: January 24, 2019Publication date: July 25, 2019Inventors: HUA CHEN, FAN-CHUN LIN, CHUNG-HUNG FANG, YEN-HAO LIN
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Publication number: 20190227215Abstract: An optical device includes a lightguide having a first pair of external surfaces parallel to each other, and at least two sets of facets. Each of the sets including a plurality of partially reflecting facets parallel to each other, and between the first pair of external surfaces. In each of the sets of facets, the respective facets are at an oblique angle relative to the first pair of external surfaces, and at a non-parallel angle relative to another of the sets of facets. The optical device is particularly suited for optical aperture expansion.Type: ApplicationFiled: May 13, 2018Publication date: July 25, 2019Inventors: Yochay DANZIGER, Elad Axel SHARLIN
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Publication number: 20190227216Abstract: Disclosed is a direct type reflective sheet structure, comprising a reflective sheet, on which a plurality of light emitting diode light sources are arranged in an array. A plurality of triangular prism-shaped microstructures is arranged at intervals on the reflective sheet around each of the light emitting diode light sources. Each of the microstructures has a reflective surface facing the light emitting diode light source to reflect light emitted by the light emitting diode light source. Further disclosed is a direct type backlight module. By implementing the embodiment of the present invention, it can avoid the appearance of color deviation on the display panel and reduce the loss of light.Type: ApplicationFiled: June 29, 2018Publication date: July 25, 2019Inventor: Yongyuan QIU
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Publication number: 20190227217Abstract: A clock structure enabling highly uniform distribution of illuminating light includes a case frame, a dial, a movement having a shaft extended through the dial, and a set of hands connected to the movement shaft. The clock structure further includes a round acrylic plate located below the dial and having an annular blind groove formed around a peripheral area, a sheet of light uniforming paper attached to an upper surface of the acrylic plate, a silk-screen printing ink layer formed on a lower surface of the acrylic plate, a flexible circuit board mounted in the blind groove, and LED lights equally spaced on the circuit board to emit light toward a radially inner surface of the blind groove. The silk-screen printing ink layer diffusely reflects the light and the light uniforming paper enables uniform distribution of the light over the dial to make the clock structure a high-end product.Type: ApplicationFiled: July 9, 2018Publication date: July 25, 2019Inventor: YUNG-MIN LIN
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Publication number: 20190227218Abstract: A lighting device includes a light source configured to emit light and a light guide plate of a plate shape having an edge surface that is opposite the light source and toward which light is emitted by the light source. The light guide plate includes a through-hole penetrating therethrough in a plate-thickness direction and a region around the through-hole, and the region includes a highly refractive region positioned at least on an opposite side from the light source and having a refractive index higher than a refractive index of another region.Type: ApplicationFiled: January 17, 2019Publication date: July 25, 2019Inventor: Akira KAWANO