By Changing Physical Characteristics (e.g., Shape, Size Or Contours) Of An Optical Element Patents (Class 359/290)
  • Patent number: 11134202
    Abstract: A plenoptic camera including a camera lens, a lenslet array having a plurality of microlenses and a photosensors array and having a plurality of photosensors. The camera lens has a spatial light modulator arranged in the aperture stop plane of the camera lens.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: September 28, 2021
    Assignee: INTERDIGITAL CE PATENT HOLDINGS, SAS
    Inventors: Thierry Borel, Valter Drazic
  • Patent number: 11131453
    Abstract: A household appliance according to an embodiment of the present disclosure includes a front panel forming an exterior, a display window formed with a plurality of through holes having minute or fine sizes formed at the front panel, and the plurality of through holes are filled with a coating liquid including an anti-foaming agent.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: September 28, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Minchel Kim, Jinseung Park
  • Patent number: 11124412
    Abstract: A manufacturing method for a micromechanical window structure including the steps: providing a substrate, the substrate having a front side and a rear side; forming a first recess on the front side; forming a coating on the front side and on the first recess; and forming a second recess on the rear side, so that the coating is at least partially exposed, whereby a window is formed by the exposed area of the coatings.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: September 21, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Joerg Muchow, Rainer Straub, Stefan Pinter
  • Patent number: 11125968
    Abstract: An optical module is provided. The optical module includes a substrate, an optical element, a cover plate, and a heat-dissipating device. The optical element is disposed on the substrate, wherein the optical element has a first side and a second side opposite the first side. The cover plate is disposed on the second side of the optical element, and extends over the substrate. In addition, the substrate is disposed between the heat-dissipating device and the optical element.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: September 21, 2021
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chi-Ming Yang, Hui-Hsiung Wang
  • Patent number: 11119311
    Abstract: An actuator includes a driving beam that includes a beam extending in a direction orthogonal to a predetermined axis and supports an object to be driven; a driving source that is formed on a surface of the beam and causes the object to rotate around the predetermined axis; a sensor beam that extends in a direction that is the same as the direction in which the beam extends, one end of the sensor beam being connected to a lateral side of the beam; and a sensor that is formed on a surface of the sensor beam, the surface of the sensor beam and the surface of the beam facing the same direction.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: September 14, 2021
    Assignee: MITSUMI ELECTRIC CO, LTD.
    Inventor: Kensuke Yamada
  • Patent number: 11111133
    Abstract: A MEMS device includes a movable mirror and a solid material below the mirror that removes more heat from the mirror and creates more viscous drag than if the solid material were absent while allowing free movement of the mirror. A MEMS system includes a movable mirror, transparent window, electronic package, and a fluid-tight cavity between the window and the electronic package filled with a fluid exhibiting higher thermal conductivity than air. Another system has a reflective movable mirror, transparent window, and a lid that holds the window close to the mirror without obstructing its free movement. There is greater vertical clearance between the MEMS system and lid than between the mirror and MEMS system. Another MEMS device has a movable mirror and a surrounding substrate coplanar to the mirror. A gap between the mirror and substrate is filled with fluid. Finger structures extend from the mirror into the gap.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: September 7, 2021
    Assignee: MIRRORCLE TECHNOLOGIES, INC.
    Inventor: Veljko Milanovic
  • Patent number: 11079544
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to Waveguide absorbers and methods of manufacture are provided. The waveguide structure includes a photonics component and a spirally configured waveguide absorber coupled to a node of the photonics component which reduces optical return loss.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: August 3, 2021
    Assignee: GLOBALFOUNDRIES U.S. INC.
    Inventors: Yusheng Bian, Bo Peng, Michal Rakowski, Ajey Poovannummoottil Jacob
  • Patent number: 11069308
    Abstract: A pixel unit, a display method thereof and a display panel are provided. The pixel unit includes a display region and a non-display region, further includes a first substrate, a second substrate, a fluid layer and a control structure, the fluid layer is disposed between the first substrate and the second substrate, a fluid is disposed in the fluid layer, a flow of the fluid is controllable, and the control structure is disposed between the first substrate and the second substrate and configured to control the flow of the fluid.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: July 20, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shikang Ge, Yucheng Li, Wei Dai, Zhuqing Zhang, Hening Zhang, Xinyu Wang, Xufeng Tu, Wei Chen, Xu Li, Fei Pan, Xiangchao Chen, Zhongsen He, Ping Zhang, Jinhong Zhang
  • Patent number: 11054715
    Abstract: An optical deflection apparatus includes a deflection element and an incidence plane limiting unit limiting incidence of a laser beam on a range of an incidence plane. The deflection element including first and second panels, which including first and second repeating units. Each panel includes first and second substrates, a liquid crystal layer, an electrode for each repeating unit, and a common electrode. The electrodes of the first and second panel in a same repeating unit include first ends coinciding with each other, and second ends different from each other. The range is included in a range from the second end of the first electrode of the first panel in the first repeating unit to the second end of the first electrode of the second panel in the second repeating unit.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: July 6, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masaki Koyama
  • Patent number: 11042056
    Abstract: A system, apparatus, and method include a first display device having a first set of pixels adapted to output light; a second display device having a second set of pixels adapted to output light; a first transparent plate spaced apart from each of the first display device and the second display device. The first transparent plate includes a first set of photonic crystal structures arranged in a first direction and adapted to deviate a first path of the light transmitted from the first and second set of pixels at a first angle. A second transparent plate is spaced apart from the first transparent plate and includes a second set of photonic crystal structures arranged in a second direction different from the first direction and adapted to deviate a second path of the light transmitted through the first transparent plate at a second angle to create a third path of light.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 22, 2021
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventor: Joshua K. Lentz
  • Patent number: 11036113
    Abstract: A photonically-sampled electronically-quantized analog-to-digital converter generates an optical signal comprising a series of optical pulses. The optical signal is split into a first and a second optical path. The split optical signal is detected in the first path and then the detected optical signal is converted to a reference digital signal. The split optical signal in the second path is modulated with an input RF signal and a plurality of demultiplexed RF-modulated optically-sampled signals is generated from the modulated optical signal. The plurality of demultiplexed RF-modulated optically-sampled signals is then pulse broadened, detected, and converted to a plurality of sampled-RF digital signals. The reference digital signal and the plurality of sampled-RF digital signals are digital signal processed to generate a digital representation of the input RF signal.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: June 15, 2021
    Assignee: Photonic Systems, Inc.
    Inventors: Gary E. Betts, Charles H. Cox
  • Patent number: 11016287
    Abstract: A spatial light modulator (SLM) having improved ├ętendue, and methods of fabricating and operating the same are described. Generally, the SLM includes pixels each including a tensile membrane suspended over a surface of a substrate by posts at corners thereof. The tensile membrane includes an electrostatically deflectable piston and flexures through which the piston is coupled to the posts. A platform having first light reflective surfaces is supported above and separated from the piston by one or more central posts extending from the piston to the platform, and a face-plate including a second light reflective surface is suspended over the platform. The face-plate includes plurality of apertures through which the first light reflective surfaces are exposed. Electrostatic deflection of the piston brings light reflected from the first light reflective surfaces into constructive or destructive interference with light reflected from the second light reflective surface. Other embodiments are also described.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 25, 2021
    Assignee: SILICON LIGHT MACHINES CORPORATION
    Inventor: Alexander Payne
  • Patent number: 11009697
    Abstract: A mirror driving device includes a detector configured to output a detection signal having a ringing component included in oscillation of a mirror, a driving waveform generator configured to generate a sawtooth driving waveform that oscillates the mirror, a superimposing waveform generator configured to generate a superimposing waveform to be superimposed to the sawtooth driving waveform, a periodic signal generator configured to generate a periodic signal having a frequency identical to or near a ringing frequency of the ringing component, a correlation calculator configured to calculate a correlation value between the periodic signal and the detection signal, and an amplitude adjuster configured to adjust an amplitude of the superimposing waveform to reduce the ringing component, based on the correlation value.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 18, 2021
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventor: Yugo Hayashi
  • Patent number: 10976703
    Abstract: A printing device (106) includes a laser source and a LCOS-SLM (Liquid Crystal on Silicon Spatial Light Modulator). The printing device generates a laser control signal and a LCOS-SLM control signal. The laser source (110) generates a plurality of incident laser beams based on the laser control signal. The LCOS-SLM (112) receives the plurality of incident laser beams, modulates the plurality of incident laser beams based on the LCOS-SLM control signal to generate a plurality of holographic wavefronts (214,216) from the modulated plurality of incident laser beams. Each holographic wavefront forms at least one corresponding focal point. The printing device cures a surface layer or sub-surface layer (406) of a target material (206) at interference points of focal points of the plurality of holographic wavefronts. The cured surface layer of the target material forms a three-dimensional printed content.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: April 13, 2021
    Assignee: Dualitas Ltd
    Inventor: Brian Mullins
  • Patent number: 10969596
    Abstract: Systems and methods for filtering an optical beam are described. In one implementation, a system for filtering an input optical beam includes a first beamsplitter, a first spectral slicing module, a second spectral slicing module, and a second beamsplitter. The first beamsplitter is configured to split the input optical beam into a first optical beam and a second optical beam. The first spectral slicing module has a first passband and is configured to filter the first optical beam. The second spectral slicing module has a second passband and is configured to filter the second optical beam. The second beamsplitter is configured to combine the first optical beam and the second optical beam into an output optical beam. The first and second spectral slicing modules may each comprise a longpass filter and a shortpass filter aligned along its optical axis, and the longpass filter and/or the shortpass filter are rotatable relative to the optical axis.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: April 6, 2021
    Assignee: Verily Life Sciences LLC
    Inventors: Supriyo Sinha, Cheng-Hsu Wu
  • Patent number: 10914114
    Abstract: Certain example embodiments relate to electric, potentially-driven shades usable with insulating glass (IG) units, IG units including such shades, and/or associated methods. In such a unit, a dynamic shade is located between the substrates defining the IG unit, and is movable between retracted and extended positions. The dynamic shade includes on-glass layers including a transparent conductor and an insulator or dielectric film, as well as a shutter. The shutter includes a resilient polymer, a conductor, and optional ink. The conductor may be transparent or opaque. When the conductor is reflective, overcoat layers may be provided to help reduce internal reflection. The shutter's conductor may have a modified surface, e.g., to promote diffuse reflection, reduce total internal reflection, etc. The polymer may be capable of surviving high-temperature environments and may be colored in some instances.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: February 9, 2021
    Assignee: Guardian Glass, LLC
    Inventors: Jason Blush, Timothy J. Frey
  • Patent number: 10901201
    Abstract: A reflection type display device and a display apparatus are provided. The reflection type display device includes: an upper transparent substrate, a lower substrate, and a display unit provided between the upper transparent substrate and the lower substrate. The display unit includes an electrode, a refractive deformation member and a black absorption layer. The refractive deformation member is configured to deform under control of the electrode to switch between a first state and a second state. In the first state, incident light through the upper transparent substrate is totally reflected by the refractive deformation member to form a bright state; and in the second state, incident light passes through the refractive deformation member and is absorbed by the black absorption layer to form a dark state.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: January 26, 2021
    Assignees: BEIJING BOE SPECIAL DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua Liu, Zhidong Wang
  • Patent number: 10884314
    Abstract: A switchable reflective colour filter is provided for use in a display device. The switchable reflective colour filter includes a plurality of sub-pixel regions of at least two colour types, each including a layer of phase change material which is switchable between a first state and a second state, the first and second states being two solid but structurally distinct states having different optical properties. Each sub-pixel region further includes two electrode layers, a mirror layer, and a spacer layer or air gap. The phase change material layer in each sub-pixel region is positioned between the two electrode layers, and separated from the mirror layer by the spacer layer or air gap. The switchable reflective colour filter may be incorporated into a display device including a pixelated switchable absorber. A luminance of coloured light reflected from any of the sub-pixel regions is controllably attenuated by the pixelated switchable absorber.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: January 5, 2021
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Benjamin John Broughton, Diego Gallardo, Edward David Heywood-Lonsdale, Hywel Hopkin
  • Patent number: 10857537
    Abstract: A droplet actuator device for conducting droplet operations is provided that comprises a substrate defines a device channel to conduct droplet operations. Electrodes are arranged proximate to the substrate. A drive circuit is connected to the electrodes. The drive circuit generates an electrode drive signal to drive the droplet operations based on a reference waveform. The electrode drive signal is partitioned into an AC modulated drive cycle formed of sub-cycles. The electrode drive signal switches, during the sub-cycle, between at least first and second states where a degree of modulation with respect to the reference waveform forms a balanced modulation pattern.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: December 8, 2020
    Assignee: ILLUMINA, INC.
    Inventor: Kirkpatrick W. Norton
  • Patent number: 10831017
    Abstract: A displacement increasing mechanism has a fixing portion, first and second actuators coupled to the fixing portion, a first beam having first and second end portions and coupled to the first actuator at the first end portion, a second beam having third and fourth end portions and coupled to the second actuator at the third end portion, and a drive target member coupled to a parallel arrangement portion at which the first and second beams are arranged in parallel with each other. The first actuator is driven to pull the first beam from a second end portion side in the direction of extending the first beam, and the second actuator is driven to push the second beam form a fourth end portion side in the direction of extending the second beam.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 10, 2020
    Assignee: SUMITOMO PRECISION PRODUCTS CO., LTD.
    Inventors: Mario Kiuchi, Ryohei Uchino, Tomonori Mori
  • Patent number: 10793422
    Abstract: A microelectromechanical systems (MEMS) package may include a wafer having a MEMS device; a metal cap partially anchored to the wafer where at least one point between the cap and the wafer is unanchored, the metal cap at least substantially extending over the MEMS device; an electrical contact pad electrically coupled to the MEMS device; and a sealing layer disposed over the metal cap and the wafer, such that the sealing layer seals a gap between an unanchored portion of the metal cap and the wafer to encapsulate the MEMS device; wherein the electrical contact pad and the metal cap include the same composition.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 6, 2020
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR SINGAPORE PTE. LTD.
    Inventors: You Qian, Humberto Campanella Pineda, Rakesh Kumar
  • Patent number: 10780467
    Abstract: Methods and apparatus for surface wetting control are disclosed. In certain described examples, an apparatus can expel fluid from a droplet on a surface using a transducer mechanically coupled to the surface. A first area of the surface can have a first wettability for the fluid, and a second area of the surface can have a second wettability for the fluid. The first wettability of the first area of the surface can be greater than the second wettability of the second area of the surface. The first area and the second area can be arranged in a patterned arrangement.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 22, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Daniel Lee Revier, Benjamin Stassen Cook, David Patrick Magee, Stephen John Fedigan
  • Patent number: 10775649
    Abstract: The invention provides an elastomeric optical device having a first optical state and a second optical state. The device is transparent when in the first optical state and is translucent or opaque when in the second optical state. The device comprises, in sequence, an optional substrate, a first transparent electrode, an optional dielectric layer, an elastomer layer, and a second transparent electrode. In some embodiments, the second transparent electrode comprises an electrically-conductive polymer, transparent electrically-conductive nanoparticles, or both. In such embodiments, the second transparent electrode is configured to compress the elastomer layer in response to an electric field between the first and second transparent electrodes, such that when the elastomeric optical device is in the second optical state the elastomer layer is compressed between the first and second transparent electrodes.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: September 15, 2020
    Assignee: CARDINAL CG COMPANY
    Inventors: James Clark Switzer, III, Keith James Burrows
  • Patent number: 10724902
    Abstract: A Fabry-Perot interference filter includes a substrate that has a first surface, a first laminate that has a first mirror portion disposed on the first surface, a second laminate that has a second mirror portion facing the first mirror portion via a gap on a side opposite to the substrate with respect to the first mirror portion, and an intermediate layer that defines the gap between the first laminate and the second laminate. An outer surface of the intermediate layer is curved such that an edge portion of the intermediate layer on the substrate side is positioned on an outer side of an edge portion of the intermediate layer on the side opposite to the substrate in a direction parallel to the first surface. The second laminate covers the outer surface of the intermediate layer.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: July 28, 2020
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Takashi Kasahara, Katsumi Shibayama, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto
  • Patent number: 10712525
    Abstract: A method and apparatus for packaging a MEMS device is disclosed that includes a MEMS die mounting surface, a MEMS device disposed on the mounting surface, and a fluid contained within the package and surrounding at least a portion of the MEMS device. The fluid may be selected to provide certain advantageous features. For example, the fluid may have a selected index of refraction that is matched with a lens index of refraction of the lens, have a viscosity selected to provide a predetermined mechanical damping to the MEMS device, be thermally coupled with the MEMS device and configured to remove heat from the MEMS device. The fluid may also be configured in mechanical cooperation with a spring mounted scanning element, a linear translation actuator, a rotational actuator, a lens, etc. to actuate or apply fluidic pressure to such elements.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 14, 2020
    Inventors: Albert Ting, Daniel T. McCormick, Michael Rattner
  • Patent number: 10696219
    Abstract: An interior lighting system for a vehicle, including two optical modules, each optical module including a plurality of selectively activatable light sources, a primary optical element including primary members, each arranged to face one of the light sources respectively, for collecting the rays emitted by the corresponding source, the primary optical element being configured to form an elementary beam which is dependent on the rays emitted, and a secondary optical element for projecting the elementary beam into an area of the passenger compartment. According to the invention, the optical modules are configured so that the two projected elementary beams are at least partially superimposed on one another in the area of the passenger compartment.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: June 30, 2020
    Assignee: VALEO VISION
    Inventors: Thierry Fleurence, Kaoutar Ez-Zouaq, Nicolas Boiroux, Nirina Rasoldier, Jingjing Xue, Arnaud Robert
  • Patent number: 10690859
    Abstract: A 3D free space mirrored optical cross connect switch has mirror arrays angled at twice the central incident angle. Path length variation and insertion loss variation are minimized between different switch ports. For each port, the incident angle may be selected to maximize the useful range of the mirror actuator.
    Type: Grant
    Filed: July 22, 2018
    Date of Patent: June 23, 2020
    Inventor: Sam A Marshall
  • Patent number: 10690946
    Abstract: Flexible photonic crystal structures capable of changing color in response to strain are described. Methods for forming two-dimensional and three-dimensional flexible photonic crystal structures are described. In some aspects, the flexible photonic crystal structures include an array of holes or voids formed within a flexible material. The flexible material changes dimensions of the array when the flexible photonic crystal structures is stretched, pulled, pushed or bent. In some aspects, the flexible photonic crystal structures include an array of features made of a first material, such as a first type of polymer, embedded within a matrix material made of a second material, such as a second type of polymer. The flexible photonic crystal structures can be used in the manufacture of consumer products, such as electronic products, electronic product accessories, thin films, flexible displays and wearable products.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: June 23, 2020
    Assignee: APPLE INC.
    Inventor: James R. Wilson
  • Patent number: 10679573
    Abstract: The present disclosure discloses a pixel structure, including a reflective layer, a reflective electrode, a flexible electrode and a bottom electrode sequentially disposed along a direction of incident light. An optical resonant cavity is formed between the reflective layer and the reflective electrode, the reflective layer and the flexible electrode are connected to each other; and a first voltage is loaded between the reflective electrode and the flexible electrode, and a second voltage is loaded between the flexible electrode and the bottom electrode; depending on at least one of changes of the first voltage and the second voltage, the flexible electrode deforms along the direction of incident light, and drives the reflective layer to move along the direction of incident light. The present disclosure also discloses a display substrate and a control method thereof and a display device.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 9, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Lianjie Qu, Zhidong Wang, Hebin Zhao, Yun Qiu, Weiwei Tong, Ning Jia
  • Patent number: 10672803
    Abstract: The present disclosure discloses a display panel, and the display panel includes: a first substrate and a second substrate; a plurality of first gate lines and a plurality of first data lines arranged on the first substrate, a plurality of second gate lines and a plurality of second data lines arranged on the second substrate, wherein a plurality of first pixel areas are defined by the plurality of first gate lines and the plurality of first data lines, and a plurality of second pixel areas are defined by the plurality of second gate lines and the plurality of second data lines; the projections of the portion of the plurality of first pixel areas with the first thin film transistors projected on the second substrate is located between at least two adjacent second pixel areas with the second thin film transistors.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: June 2, 2020
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenchao He
  • Patent number: 10665182
    Abstract: A spatial light modulator (SLM) and methods of operating the same are described. The SLM includes an array of pixels formed on a substrate, each pixel including a one or more electrostatically operable optical modulators, a receiver, a memory coupled to the receiver, and a driver including a number of drive channels coupled to the memory. Each of the drive channels is coupled to one of the pixels to drive the optical modulators in the pixel to one of a number of discrete modulation levels. The receiver receives reduced depth programming data in a predetermined sequence whereby the location of the programming data in the received data sequence implies the associated pixel address within the pixel array. The memory includes look-up-table circuitry to convert the reduced depth programming data to full depth programming data. Generally, the receiver, memory and driver are integrally formed on the same substrate with the array.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: May 26, 2020
    Assignee: Silicon Light Machines Corporation
    Inventors: Alexander Payne, Gregory Myatt
  • Patent number: 10661476
    Abstract: Novel methods of fabricating porous structures (e.g., nanostructures) and resulting structures are disclosed. The novel methods use precision optics to cure a slurry made from one or more powders mixed with photopolymers. Pore size control preferably is achieved by controlling the powder size and powder loading in the slurry. As the disclosed methods are based on optics to control the thickness preferably without any mechanical movements, extreme tight thickness tolerance, as well as control of the profile structure, may be achieved. The novel disclosed methods are highly-cost effective with shorter manufacturing cycle time compared to conventional methods. Moreover, a supporting substrate may not be required as the resultant structure made by the novel fabrication techniques disclosed herein has enough strength to be free-standing.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: May 26, 2020
    Assignee: Cal Poly Corporation
    Inventor: Xuan Wang
  • Patent number: 10663796
    Abstract: A backlight module, a controlling method thereof, and a display device are disclosed. The backlight module includes a light guide plate and at least one digital micro-mirror device located on a side of the light guide plate away from a light exiting surface. The at least one digital micro-mirror device includes a plurality of micro-mirrors, and a reflective surface of each of the plurality of micro-mirrors faces the light guide plate. A local brightness of the backlight module is adjusted by controlling the micro-mirrors in the digital micro-mirror device.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 26, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei Cheng, Lei Chen, Xuqing Feng, Fei Gao, Xin Ma, Xuerong Wang, Lu Yu, Chuan Sun
  • Patent number: 10655840
    Abstract: A household appliance as described herein includes a front panel forming an exterior, a display window formed with a plurality of through holes having minute or fine sizes formed at the front panel, and the plurality of through holes are filled with a urethane coating liquid including an anti-foaming agent.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 19, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Minchel Kim, Jinseung Park
  • Patent number: 10597541
    Abstract: An electrophoretic particle includes a base particle (particle), a first compound, a second compound, and a third compound bonded to the base particle. The first compound is a polymer having a dispersion portion derived from a first monomer, and a bonding portion derived from a second monomer, and is connected to the base particle at the bonding portion. The second compound includes a non-polar group and a second functional group and is connected to the base particle at the second functional group. The third compound includes a charging group and a second functional group and is connected to the base particle at the second functional group.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: March 24, 2020
    Assignee: E Ink Corporation
    Inventors: Keiichi Inoue, Kiyoshi Nakamura, Shinobu Yokokawa, Tomoyuki Ushiyama, Masahiko Nakazawa
  • Patent number: 10598921
    Abstract: A mirror element, in particular for a microlithographic projection exposure apparatus. According to one aspect, the mirror element includes a substrate (111, 112, 113, 114, 115, 211, 212, 213, 311a-311m, 411, 412, 413) and a layer stack (121, 122, 123, 124, 125, 221, 222, 223, 321a-321m, 421, 422, 423) on the substrate. The layer stack has at least one reflection layer system, wherein a curvature of the mirror element is generated on the basis of a setpoint curvature for a predetermined operating temperature by a non-vanishing bending force exerted by the layer stack, wherein the generated curvature varies by no more than 10% over a temperature interval (?T) of at least 10 K.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 24, 2020
    Assignee: CARL ZEISS SMT GMBH
    Inventors: Hartmut Enkisch, Martin Hermann, Christoph Nottbohm
  • Patent number: 10596604
    Abstract: Methods and apparatus for using two stage ultrasonic lens cleaning for water removal are disclosed. An apparatus can expel fluid from a droplet on an optical surface using an ultrasonic transducer mechanically coupled to the optical surface and having first and second resonant frequency bands. A signal generator can generate a first signal including a first frequency to be coupled with the ultrasonic transducer mechanically coupled to the surface, and can generate a second signal including a second frequency to be coupled with the ultrasonic transducer mechanically coupled to the surface. Switching circuitry can activate the ultrasonic transducer at the first frequency to reduce the droplet from a first size to a second size, and to activate the ultrasonic transducer at the second frequency to reduce the droplet from the second size to a third size.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: March 24, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Stephen John Fedigan, David Patrick Magee
  • Patent number: 10591356
    Abstract: The invention relates to a beam combiner for a microscope, in particular a scanning microscope, which receives at least a first illuminating light bundle and a second illuminating light bundle and combines them into a collinear output light bundle, the first illuminating light bundle and the second illuminating light bundle having the same illuminating light wavelength but a different polarization, in particular linear polarization. The beam combiner is embodied as an acousto-optic beam combiner and is constructed and operated in such a way that by interaction with at least one mechanical wave, both the first illuminating light bundle and the second illuminating light bundle are diffracted and are thereby directed into a common optical axis.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: March 17, 2020
    Assignee: Leica Microsystems CMS GmbH
    Inventors: Volker Seyfried, Vishnu Vardhan Krishnamachari
  • Patent number: 10564486
    Abstract: Provided is a liquid crystal display that achieves both reliability and a narrowed-down frame at a relatively high level. In a liquid crystal display according to an aspect of the present invention, alignment films are disposed on a surface of an array substrate and a surface of a counter substrate. The alignment films are each disposed in a display region and each have an overlap with part of the inside of a sealant. The surfaces of the substrates in the overlaps each have an uneven surface. All over an outer edge portion of the sealant, a portion is disposed in which the sealant is joined to the surfaces of the individual substrates without the alignment films interposed therebetween.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: February 18, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventor: Kazushi Kiyota
  • Patent number: 10503040
    Abstract: A display device with high visibility or low power consumption is provided. The display device includes a pixel. The pixel includes a self-luminous display element and a reflective display element. The self-luminous display element is provided closer to the display surface than the reflective display element. The reflective display element includes a unit for adjusting the amount of light which changes its arrangement on the basis of electric power supplied from an electrode and blocks light with the unit for adjusting the amount of light to change the intensity of reflected light. Electrophoretic particles, a shutter, a film which reflects part of light, a film which reflects light, or the like can be used as the unit for adjusting the amount of light.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: December 10, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hajime Kimura
  • Patent number: 10495870
    Abstract: A display panel, a display device, and a control method therefor are disclosed. The display panel includes a first substrate and a second substrate and a plurality of first pixels between the first substrate and the second substrate; wherein, at least one of the plurality of first pixels comprises: a first insulating layer on the first substrate; a second insulating layer on the second substrate; a first colored fluid layer contacted with and having the same hydrophilicity/hydrophobicity as that of a surface of the first insulating layer; a second colored fluid layer contacted with and having the same hydrophilicity/hydrophobicity as that of a surface of the second insulating layer; and a first transparent conductive fluid disposed between the first colored fluid layer and the second colored fluid layer and having a hydrophilicity/hydrophobicity contrary to those of the first colored fluid layer and the second colored fluid layer.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: December 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Zhou, Yonglian Qi, Bin Zhang
  • Patent number: 10488007
    Abstract: The invention relates to a vehicle headlight comprising at least one light source, at least one projection optical system, and an electronic component (1) with an active optical surface on a front face, an active thermal surface, and electric contacts. A component housing (110), which is made of a housing shell (120) and a housing cover (150), a first printed circuit board (130) and at least one first spacer (160) are also contained. The component housing (110) at least partly receives the electronic component (1). The housing shell (120) comprises an assembly position for the electronic component (1) and a component opening (121) which is located in the region of the assembly position, in which the electronic component (1) is arranged, and by means of which the active optical surface of the electronic component (1) can be accessed. The electronic component (1) can be connected to the first printed circuit board (130) via the electric contacts of the electronic component.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: November 26, 2019
    Assignee: ZKW Group GmbH
    Inventors: Matthias Mayer, Markus Reinprecht, Stefan Mitterlehner
  • Patent number: 10473914
    Abstract: A method for manufacturing a freestanding film having at least one population of through holes cumulatively totaling at least 1% of the film area, wherein the standard deviation of hole diameters is less than 25% and a thickness less than 25 micrometers, The film provides a carrier substrate, a photo-curable material, a release agent and deposits a photo-curable material on the substrate, selectively curing the material and leaving uncured material in the pattern of holes, dissolving away the uncured material and removing the cured material from the carrier substrate. Methods and apparatus are described.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: November 12, 2019
    Assignee: University of Cincinnati
    Inventors: Eric Kreit, John David Rudolph, Kenneth A. Dean
  • Patent number: 10468633
    Abstract: Novel microlens array architectures for enhanced light outcoupling from light emission are provided. Organic light emitting devices (OLEDs) that include an outcoupling layer including these novel microlens array architectures and method for fabricating such OLEDs are provided. These devices may be used to provide OLEDs with optimized light extraction.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: November 5, 2019
    Assignees: Universal Display Corporation, Kent State University
    Inventors: Yue Cui, Deng-ke Yang, Ruiqing Ma, Gregory McGraw, Julia J. Brown
  • Patent number: 10468598
    Abstract: An organic light-emitting display apparatus, including: a first electrode disposed on the substrate; a pixel defining layer covering an edge of the first electrode; a residual layer disposed on the pixel defining layer, the residual layer including a fluoropolymer; a first organic functional layer including a first light emitting layer, the first organic functional layer having a lower surface directly contacting a top surface of the first electrode and a side surface directly contacting the residual layer; and a second electrode disposed on the first organic functional layer.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Younggil Kwon
  • Patent number: 10427932
    Abstract: In described examples, a hermetic package of a microelectromechanical system (MEMS) structure includes a substrate having a surface with a MEMS structure of a first height. The substrate is hermetically sealed to a cap forming a cavity over the MEMS structure. The cap is attached to the substrate surface by a vertical stack of metal layers adhering to the substrate surface and to the cap. The stack has a continuous outline surrounding the MEMS structure while spaced from the MEMS structure by a distance. The stack has: a first bottom metal seed film adhering to the substrate and a second bottom metal seed film adhering to the first bottom metal seed film; and a first top metal seed film adhering to the cap and a second top metal seed film adhering to the first top metal seed film.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: October 1, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: John Charles Ehmke, Virgil Cotoco Ararao
  • Patent number: 10403795
    Abstract: A light-emitting device includes a semiconductor layered structure; an upper electrode disposed on a portion of an upper surface of the semiconductor layered structure; a lower electrode disposed on a lower surface of the semiconductor layered structure in a region spaced from a region directly under the upper electrode, the lower electrode being reflective; and a protective film disposed continuously on a surface of the upper electrode and the upper surface of the semiconductor layered structure. A thickness of a first portion of the protective film, which is disposed at least in a region directly above the lower electrode, is smaller than a thickness of a second portion of the protective film, which is disposed continuously on the surface of the upper electrode and the upper surface of the semiconductor layered structure adjacent to the portion on which the upper electrode is disposed.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 3, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Yuya Yamakami, Daisuke Morita
  • Patent number: 10393929
    Abstract: The disclosed system may include (1) a light source, (2) a first diffractive optical element (DOE), optically coupled with the light source, that produces a first diffracted light pattern, (3) at least one additional DOE, optically coupled with the light source in series with the first DOE, that produces at least one additional diffracted light pattern, (4) an actuator that moves, in response to a first actuator control signal, the first DOE in a first plane perpendicular to an optical axis of the system, and (5) a lens, optically coupled with the first DOE and the at least one additional DOE, that projects structured light onto a local area based on the first diffracted light pattern and the at least one additional diffracted light pattern. Various other systems and methods are also disclosed.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: August 27, 2019
    Assignee: Facebook Technologies, LLC
    Inventor: Manoj Bikumandla
  • Patent number: 10381265
    Abstract: A method of manufacturing a semiconductor device includes forming first and second pattern structures on first and second regions of a substrate, respectively, forming a preparatory first interlayer insulating layer covering the first pattern structure on the first region, forming a preparatory second interlayer insulating layer covering the second pattern structure on the second region, the preparatory second interlayer insulating layer including a first colloid, and converting the preparatory first and second interlayer insulating layers into first and second interlayer insulating layers, respectively, by annealing the preparatory first and second interlayer insulating layers.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-ki Min, Koung-min Ryu, Sung-soo Kim, Sang-koo Kang
  • Patent number: 10365471
    Abstract: A display device includes a bottom support plate and an opposing top support plate. A pixel region is positioned between the bottom support plate and the top support plate. The pixel region includes a plurality of sub-pixels. A color filter layer is positioned within the pixel region. The color filter layer includes a plurality of color filters, wherein each color filter is positioned within a respective sub-pixel. A diffusion layer is positioned on a first surface of the top support plate between the top support plate and the color filter layer.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: July 30, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Erno Hermanus Antonius Langendijk, Tulasi Sridhar Reddy Guntaka, Kari Juhani Rinko