Patents Issued in December 17, 2019
  • Patent number: 10509230
    Abstract: By configuring a micro structure portion, an image display device, and an eyepiece optical system to satisfy Expression (1), a diffusion effect of an appropriate extent can be imparted to image light with a relatively simple configuration, by taking into account the size of each of pixels constituting the image display device that is an image element, gaps between the pixels are made less noticeable, and a favorable state of visibility of an image can be obtained.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 17, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akira Komatsu, Takashi Takeda, Toshiaki Miyao, Masayuki Takagi, Tokito Yamaguchi
  • Patent number: 10509231
    Abstract: A waveguide display includes a light source assembly, an output waveguide, and a controller. The light source assembly emits an image light that propagates along an input wave vector. The output waveguide includes a waveguide body with two opposite surfaces. The output waveguide includes a first grating receiving an image light propagating along the input wave vector, a second grating, and a third grating positioned opposite to the second grating and outputting an expanded image light with wave vectors matching the input wave vector. The controller controls the illumination of the light source assembly to form a two-dimensional image.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: December 17, 2019
    Assignee: Facebook Technologies, LLC
    Inventors: Hee Yoon Lee, Wanli Chi, Pasi Saarikko
  • Patent number: 10509232
    Abstract: A stereoscopic image display device and a method of driving the same are provided. The stereoscopic image display device includes: a display panel; a patterned retarder transmitting light from the display panel as first and second polarization components; a data driving circuit driving data lines of the display panel; a gate driving circuit driving gate lines of the display panel; a 3D formatter: separating input 3D image signal into first and second eye image data; and arranging the first and second eye image data according to a vertical k-divisional operation to generate an original frame; and a timing controller: dividing one frame into k sub-fields with time-divisional driving; and controlling the data driving circuit and the gate driving circuit such that: the first eye image data are displayed in odd-numbered sub-fields with spatial-divisional driving; and the second eye image data are displayed in even-numbered sub-fields with spatial-divisional driving.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: December 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Juyoung Lee
  • Patent number: 10509233
    Abstract: A speckle reducing device includes: a polarization splitter element with a polarization splitter portion that splits incident light into first and second light containing a first and a second component respectively, which outputs the first and the second light along different directions; a first reflecting member that reflects the first light to reenter the polarization splitter element; a first conversion member disposed between the first reflecting member and the polarization splitter element, which converts the first light to third light containing the second component; a second reflecting member that reflects the third light to reenter the polarization splitter element; and a second conversion member disposed between the second reflecting member and the polarization splitter element, which converts the third light to fourth light containing the first component, wherein: the polarization splitter element outputs the second and the fourth light along one direction.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: December 17, 2019
    Assignee: Nikon Corporation
    Inventor: Akinobu Suga
  • Patent number: 10509234
    Abstract: A lens driving apparatus with a closed-loop anti-shake structure, including: a lens holder including a coil; a frame including a plurality of magnets and receiving the lens holder; a driving circuit board disposed under the frame; a plurality of first set of elastic bodies configured such that the lens holder remains movable in a direction of a first axis with respect to the frame; a plurality of second set of elastic bodies configured such that the frame remains movable in a direction perpendicular to the first axis with respect to the driving circuit board; and a first optical module and a first optical reference respectively disposed at the driving circuit board and the lens holder, the first optical module sensing a relative movement of the first optical reference so as to sense a movement of the lens holder in the direction of the first axis.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: December 17, 2019
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Cheng-Kai Yu, Bing-Ru Song
  • Patent number: 10509235
    Abstract: A method of calculating an optical system (OS) of an ophthalmic lens according to a given spectacle frame, said ophthalmic lens comprising a back surface (BS) and a front surface (FS) arranged to deliver an ophthalmic vision image (VI), a light-guide optical element having a proximal surface (PS) and a distal surface (DS), said light-guide optical element being arranged to output a supplementary image (SI), wherein the method comprises the steps of: providing at least a morpho-geometrical parameter data of the frame or of the light-guide optical element; optimizing the optical system (OS) according to at least the morpho-geometrical parameter data as a target.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: December 17, 2019
    Assignee: Essilor International
    Inventors: Sébastien Fricker, Benjamin Rousseau, Mathieu Guillot
  • Patent number: 10509236
    Abstract: Ophthalmic device molds made from a first portion of a molding surface formed from a first polymer and a second portion of the molding surface formed from a second polymer are described. When combined, the first portion and the second portion of the molding surface form an entire molding surface suitable for molding an entire surface, such as an anterior surface or a posterior surface of an ophthalmic device. Methods of manufacturing ophthalmic devices using these molds, including contact lenses, are also described.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: December 17, 2019
    Assignee: CooperVision International Holding Company, LP
    Inventors: Neil Goodenough, David Robert Morsley, Ian Bruce, Edyta S. Bialek, Lee Darren Norris
  • Patent number: 10509237
    Abstract: A contact lens has a central region and an annular region surrounding the central region, the central region having a first optical power and the annular region having a second optical power. In a method of measuring the add power, the wavefront aberration of the contact lens is measured; a polynomial is fitted to the measured wavefront aberration. Terms of the polynomial correspond to types of aberration comprising defocus and astigmatism and residual aberrations. The add power is calculated as a defocus corresponding to the residual aberrations.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 17, 2019
    Assignee: CooperVision International Holding Company, LP
    Inventors: Daozhi Wang, Laura Horan
  • Patent number: 10509238
    Abstract: The disclosure describes an electrowetting contact lens comprising including an electrowetting cell. The cell includes first and second optical windows that form a sealed enclosure. A first electrode is formed on the first optical window, and a second electrode is formed on the second optical window. The first and second electrodes include an electrically conductive layer, and the first electrode includes at least one dielectric layer sandwiched between the relevant optical window and the at least one dielectric layer. Oil and saline layers are positioned in the sealed enclosure so that the oil is in contact with one electrode and the saline is in contact with the other electrode. A protective coating encloses the electrowetting cell, and a contact lens material encloses the sealing material. Other embodiments are disclosed and claimed.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: December 17, 2019
    Assignee: Verily Life Sciences LLC
    Inventor: Daniel Otts
  • Patent number: 10509239
    Abstract: An accessory mount for goggles is disclosed which may be attached to the strap or straps of goggles worn on the face of a person. The accessory mount may include a body and a mounting structure. The body may include one or two slits through which the strap or straps of the goggles may be inserted. The body may also include a facial section contoured to fit a person's face, and the facial section may have a cushion configured to rest against the face. The mounting structure may be configured so that different types of accessories, such as a camera or flashlight, may be removably affixed to the mounting structure.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: December 17, 2019
    Assignee: Symbiotic, LLC
    Inventor: Preston Charles Knibbe
  • Patent number: 10509240
    Abstract: The present disclosure relates to a pair of light emitting diode eyeglasses. The light emitting diode eyeglasses include an eyeglass frame that includes a front frame including a plurality of light emitting diodes, and a pair of leg frames, each of which includes a first end attached to the front frame and a second end that is opposite to the first end and configured to be positioned on each ear of a user. The front frame includes a plurality of openings for securing a field of view of a front side of the user, the plurality of openings are arranged in a plurality of lines, each line of openings is parallel along a lengthwise direction of the front frame, lines of openings are positioned at each of a left-center portion and a right-center portion of the front frame.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 17, 2019
    Assignee: NEOFECT CO., LTD.
    Inventors: Hoyoung Ban, Hyang Jung Kim, Han Sirk Seo, Daehoon Won, Sungjun Roh, Younggeun Choi
  • Patent number: 10509241
    Abstract: An apparatus for providing an optical display includes an optical substrate for propagating light received from a light source, a first set of one or more switchable diffractive elements in the substrate, and a second set of one or more switchable diffractive elements in the substrate. Each diffractive element in the second set corresponds to a diffractive element in the first set. Each of the diffractive elements in the first and second sets is configured to switch between on and off states. One of the states is for diffracting light and the other state for allowing light to pass through. Each of the first set of diffractive elements is configured to diffract the light at an angle for propagation in the substrate. Each of the second set of diffractive elements is configured to diffract the light for display.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: December 17, 2019
    Assignees: ROCKWELL COLLINS, INC., DIGILENS INC.
    Inventors: Steven J. Robbins, James H. Stanley, Francois Raynal, Robert D. Brown, James M. Tedesco, Wyatt L. Hendrick, Milan M. Popovich, Jonathan D. Waldern, Alastair J. Grant
  • Patent number: 10509242
    Abstract: A switchable light modulator device comprises a fluid layer disposed between opposite spaced apart major surfaces of first and second substrates. Each of the substrates comprise first and second interoperable microstructures formed on the opposite major surfaces. The respective microstructures fit together to join the first and second substrates and to define wall portions for a plurality of cavities, the cavities sealing said fluid in discrete volumes.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: December 17, 2019
    Assignee: Vlyte Innovations Limited
    Inventor: Donal O'Keeffe
  • Patent number: 10509243
    Abstract: An optical IQ modulator with automatic bias control is disclosed. A dither signal is applied to the modulator bias and its signature detected in light tapped from an output of the modulator using a phase sensitive dither detector such as a lock-in amplifier. The detected signal is processed using pre-recorded information defining the direction of the detected signal change relative to a change in the modulator bias, and the bias is adjusted in the direction determined using the information. The IQ phase bias is controlled by dithering I and Q optical signals in quadrature to produce opposite-sign single subband modulation of output light at two different dither frequencies, and detecting an oscillation at a difference frequency using a lock-in detector.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: December 17, 2019
    Assignee: Elenion Technologies, LLC
    Inventor: Bernd-Harald Horst Jurgen Rohde
  • Patent number: 10509244
    Abstract: Structures for an optical switch, structures for an optical router, and methods of fabricating a structure for an optical switch. A phase change layer is arranged proximate to a waveguide core, and a heater is formed proximate to the phase change layer. The phase change layer is composed of a phase change material having a first state with a first refractive index at a first temperature and a second state with a second refractive index at a second temperature. The heater is configured to selectively transfer heat to the phase change layer for transitioning between the first state and the second state.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: December 17, 2019
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Steven M. Shank, Anthony K. Stamper, John J. Ellis-Monaghan, Vibhor Jain, John J. Pekarik
  • Patent number: 10509245
    Abstract: A method may include generating a laser light beam, stabilizing the laser light beam using a beam stabilizer, splitting the laser light beam using a first beamsplitter into a first front side laser light beam and a back side laser light beam for a back side of an ion trap, directing the front side laser light beam to a second beamsplitter using an input telescope, and splitting the first front side laser light beam using the second beamsplitter into second front side laser light beams. The method may further include receiving the front side laser light beams at a common acousto-optic medium, generating respective RF drive signals for electrodes coupled to the common acousto-optic medium for each of the second front side laser light beams using RF drivers, and directing the second front side laser light beams to a front side of the ion trap using an output telescope.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 17, 2019
    Assignee: HARRIS CORPORATION
    Inventors: Randall K. Morse, Peter A Wasilousky, Lee M. Burberry, Michael R. Lange, Catheryn D. Logan, Christopher A. Corey
  • Patent number: 10509246
    Abstract: A display panel and a driving method and manufacturing method thereof, and a display device. The display panel includes a base substrate, a dielectric layer provided on the base substrate, and a refractive index variable layer provided on a side of the dielectric layer away from the base substrate; the refractive index variable layer is in contact with the dielectric layer and has a contact surface with the dielectric layer, and the refractive index variable layer can change the refractive index so that the light entering from the light incident side is totally reflected or transmitted at the contact surface.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 17, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiao Zhang, Pengxia Liang, Kang Guo, Xin Gu
  • Patent number: 10509247
    Abstract: The present disclosure provides a back panel assembly including a back panel and a circuit board disposed on the back panel, the back panel includes: a first plate, a second plate opposite to the first plate and an insulating material layer interposed between the first and second plates, the second plate includes a cutout portion such that the insulating material layer have an exposed portion exposed by the cutout portion; and the circuit board is disposed on the exposed portion of the insulating material layer. The present disclosure also provides a display device. The display device includes a display panel and the above back panel assembly, the display panel is positioned on a side of the first plate of the back panel, and the circuit board is configured to control the display panel.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: December 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Ren, Zifeng Wang
  • Patent number: 10509248
    Abstract: A back cover integrated with a light guide plate and a method of manufacturing the same, and a back light unit and a liquid crystal display device including the same are disclosed. The back cover integrated with a light guide plate comprises a reflective sheet attached onto a cover glass; a light guide plate attached onto the cover glass to cover the reflective sheet; and a light guide plate coupling member between the light guide plate and the cover glass.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: December 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: YoungYoon You, MinJin Lee, Kyoung Sang Yoon, Euncheol Park
  • Patent number: 10509249
    Abstract: A display apparatus includes a display panel and an optical member disposed on the display panel. The optical member includes a base substrate on which a plurality of first areas including a plurality of first sub-areas and a plurality of second sub-areas surrounding the first sub-areas, respectively, and a second area around each of the first areas are defined, and a first insulating layer disposed on the base substrate, where the first insulating layer includes an inclined portion disposed in the second sub-areas and forming an angle with a top surface of the base substrate.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Jungsuk Bang, Minjeong Oh, Donchan Cho
  • Patent number: 10509250
    Abstract: A cholesteric liquid crystal writing board comprises a cholesteric liquid crystal device, a photo-sensing array layer and a mode control unit. The photo-sensing array layer is disposed at one side of the light-emitting surface of the cholesteric liquid crystal device. The photo-sensing array layer comprises a plurality of gate control lines and a plurality of mode control lines. The mode control unit comprises a main control circuitry and a plurality of mode switches coupled to the main control circuitry. Each mode switch is coupled to one of the mode control lines correspondingly. The gate control lines intersect with the mode control lines so as to define a plurality of light sensing areas arranged in an array. Each light sensing area has a switch element and a light-sensing element. The main control circuitry controls each mode switch to be switched between a voltage output mode and a voltage write mode.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: December 17, 2019
    Assignee: IRIS OPTRONICS CO., LTD.
    Inventors: Chi-Chang Liao, Shu-Shien Liu, Tsung-Ming Pai, Fu-Ming Wang
  • Patent number: 10509251
    Abstract: A polymerizable composition provides a high brightness and suppressed decrease in brightness in an outer peripheral region when used in a wavelength conversion member, a wavelength conversion member, a backlight unit, and a liquid crystal display device. The polymerizable composition includes quantum dots having surfaces coordinated with a ligand, a polymerizable compound, and a dispersant, in which the ligand is a molecule that includes a saturated hydrocarbon chain having 6 or more carbon atoms and a coordinating group, a LogP value of the polymerizable compound is 3.0 or lower, the dispersant has a nonpolar and a polar portion in a molecule, and the nonpolar portion is at least one selected from the group consisting of a saturated hydrocarbon chain having 6 or more carbon atoms, an aromatic ring, and a saturated aliphatic ring. The wavelength conversion member, the backlight unit, and the liquid crystal display device include the polymerizable composition.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 17, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Naoyoshi Yamada, Natsuru Chikushi
  • Patent number: 10509252
    Abstract: Provided is a polymer film which can eliminate both moire and glitter and is suitable for use as a diffusion film. The above-mentioned problems are solved with a polymer film, a surface of which has an arithmetic average roughness Ra of 0.63-1.80 ?m, a root mean square roughness Rq of 0.76-2.40 ?m, and an average height Rc of roughness-curve elements of 2.45-7.20 ?m.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: December 17, 2019
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Takeshi Onishi, Masahide Takeda, Shotaro Ohno, Shohei Takahagi
  • Patent number: 10509253
    Abstract: A color conversion panel includes a substrate. A first color conversion layer, a second color conversion layer, and a transmission layer are provided on the substrate. A first scatterer layer is provided between the first color conversion layer and the second color conversion layer, A second scatterer layer is provided between the second color conversion layer and the transmission layer. A light filter layer is provided between the first scatterer layer and the first color conversion layer, between the first scatterer layer and the second color conversion layer, between the second scatterer layer and the second color conversion layer, and between the second scatterer layer and the transmission layer.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Kyung-Hun Lee
  • Patent number: 10509254
    Abstract: The present disclosure discloses a method for manufacturing a display substrate, a display substrate, a display panel and a display apparatus. The method comprises: forming a black matrix and a plurality of black matrix alignment marks; providing a color film mask having a plurality of color film layer alignment marks associated with the black matrix alignment marks; and forming the color film layer on the black matrix by aligning the black matrix alignment marks with the associated color film layer alignment marks respectively, wherein the black matrix has a group of N first black matrix alignment marks and a group of N second black matrix alignment marks formed on ends of opposing edges thereof, respectively, and a spacing between adjacent first black matrix alignment marks different from that between adjacent second black matrix alignment marks.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Danhui Li, Qingde Long, Zerong Yang, Chao Ye, Changyu Fu, Xiaojiao Xiong
  • Patent number: 10509255
    Abstract: A liquid crystal panel, comprising a first substrate and a second substrate opposite to each other, and liquid crystals and sealant disposed between the first substrate and the second substrate. The liquid crystal panel has a display area and a non-display area, the first substrate has a black matrix in which a groove is provided to separate the sealant from the display area.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shuai Yuan, Chunguang Tian, Xiaona Liu, Mengjie Wang, Yuqiong Chen, Ning Li, Chenchen Wu
  • Patent number: 10509256
    Abstract: The present invention provides a manufacturing method of a color filter substrate, in which a layer of photoresist layer of a negative photoresist resin material is first formed on the color filter film layer; then, back side exposure is conducted on the photoresist layer from the underside of the backing plate so that a part of the photoresist layer that is adjacent to the backing plate gets cured for subsequently forming a planarization layer; afterwards, a mask is used to conduct front side exposure on the photoresist layer from the backing plate to form post spacers; and finally, the photoresist layer that has been subjected to exposure twice is subjected to development to remove a portion of the photoresist layer that has not been cured so as to form, simultaneously, a planarization layer and post spacers located on the planarization layer.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: December 17, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Anshi Li
  • Patent number: 10509257
    Abstract: The present disclosure relates to a manufacturing method of wire grid polarizers. The manufacturing method includes: forming a wire grid structure on a mold substrate, wherein the wire grid structure comprises a plurality of wire grids spaced apart from each other, bonding the wire grid structure with a carrier substrate by quantum-dot (QD) adhesive, wherein the QD adhesive includes QD material and adhesive, and detaching the wire grid structure from the mold substrate. The manufacturing process of the wire grid polarizers may be simplified and the yield rate may be enhanced. With the configuration, the color range, the brightness, and the optical performance of the display panel may be enhanced.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: December 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Minghui Li
  • Patent number: 10509258
    Abstract: A manufacturing method of a display panel includes: arranging a plurality of wire-grating structures at intervals on a first substrate, wherein a plurality of transparent zones of the first substrate are defined among the plurality of wire-grating structures; adopting the wire-grating structure as a mask plate to form a black matrix on the transparent zone; providing a second substrate and a liquid crystal layer; and arranging the first substrate, the second substrate, and the liquid crystal layer to form the display panel. The present disclosure can save cost and simplifies processes.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: December 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Minghui Li, Hsiao Hsien Chen, Lixuan Chen
  • Patent number: 10509260
    Abstract: A data center includes a wavelength source, a first optical component, a first communications device, and a second communications device. The wavelength source is configured to generate an N-wavelength laser beam. The first port of the first optical component is configured to receive an M-wavelength laser beam from the wavelength source. The second port of the first optical component is configured to send the M-wavelength laser beam to the first communications device. The M-wavelength laser beam includes at least a first-wavelength laser beam. The second port of the first optical component is further configured to receive a modulated first optical signal from the first communications device, the modulated first optical signal is obtained after the first communications device modulates a service signal onto the first-wavelength laser beam. The third port of the first optical component is configured to send the modulated first optical signal to the second communications device.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: December 17, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xinhua Xiao, Xiao Andy Shen, Yan Wang
  • Patent number: 10509261
    Abstract: A reflective liquid crystal display panel including a plurality of pixel units is provided. Each pixel unit includes first and second substrates, one first signal line, four second signal lines, a liquid crystal layer, a first pixel structure, a second pixel structure, a third pixel structure and a fourth pixel structure. The first and second signal lines are disposed on the first substrate. The first, second, third, and fourth pixel structures are electrically connected to one of the four second signal lines respectively and electrically connected to the first signal line, where the first, second, third, and fourth pixel structures respectively include an active component and a reflective pixel electrode electrically connected to the active component, and a reflection area ratio of the first, second, third, and fourth pixel structures is one of 1:2:4:8 and 2:1:4:8. The second substrate is located opposite to the first substrate.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 17, 2019
    Assignee: HannStar Display Corporation
    Inventors: Ming-Chang Yu, Cheng-Yen Yeh, Chen-Hao Su
  • Patent number: 10509262
    Abstract: A display device includes a display panel and a plurality of light source modules arranged in parallel to a rear surface of the display panel to emit light toward the display panel, and a plurality of light source modules provided to be independently operable. A plurality of light source modules includes a modulator configured to guide light, a light source disposed on a rear surface of the modulator to generate light, a reflective member disposed opposite to the light source on a front surface of the modulator and configured to reflect the generated light to inside or the rear surface of the modulator, and a light conversion member disposed on the rear surface of the modulator and configured to convert the wavelength of light guided by the modulator, the light conversion member being formed in a predetermined pattern shape.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae-Won Jang, Young Chol Lee, Kyung Soo Park, Ho Seok Lee
  • Patent number: 10509263
    Abstract: Embodiments of a device and a method of forming the same are described. The device includes a backlight unit and an image generating unit. The backlight unit includes an optical cavity having a top side, a bottom side, and side walls. The backlight unit further includes an array of light sources coupled to the optical cavity and a quantum dot film positioned within the optical cavity. The quantum dot film is configured to process light received from the array of light sources and the backlight unit is configured to transit the processed light to the image generating unit. The method includes providing an optical cavity having a top side, a bottom side, and side walls. The method further includes coupling an array of light sources to the optical cavity and supporting a quantum dot film within the optical cavity.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: December 17, 2019
    Assignee: Nanosys, Inc.
    Inventors: Ernest Lee, Robert E. Wilson, Steven Gensler
  • Patent number: 10509264
    Abstract: This disclosure relates to a cell alignment device for aligning a first substrate and a second substrate of a display panel. The cell alignment device comprises: a first platform and a second platform disposed oppositely; a light emitting unit disposed on a surface of the first platform facing the second platform and configured to emit light toward the second platform; a light sensing unit disposed on a surface of the second platform facing the first platform and configured to sense a light intensity of light emitted by the light emitting unit; and a control unit configured to, when the sensed light intensity is greater than or equal to a preset light intensity, adjust a position of at least one of the first platform and the second platform until the sensed light intensity is smaller than the preset light intensity.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yang Wang
  • Patent number: 10509265
    Abstract: The invention provides a photo-alignment apparatus and a photo-alignment method. In photo-alignment apparatus, a movable polarizing element is disposed between loading platform and light source; when the LC panel to be aligned uses display mode of horizontal alignment, moving the polarizing element to below light source to convert non-polarized light emitted from light source into linearly polarized light to irradiate on the LC panel to be aligned to perform alignment; when the LC panel to be aligned uses display mode of vertical alignment, moving the polarizing element to a region outside of below light source, so that the non-polarized light emitted from light source irradiating on the LC panel to be aligned to perform alignment. As such, the present invention can be applied to horizontal alignment and vertical alignment respectively, improve the usability of the photo-alignment apparatus, reduce the manufacturing cost, save space and reduce management load.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 17, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yanjun Song
  • Patent number: 10509266
    Abstract: A photo alignment bench, a photo alignment device and a control method thereof. Specifically, the photo alignment bench may include: a platform for supporting a substrate to be aligned; a plurality of photosensitive resistors arranged on a side of the platform for supporting the substrate to be aligned; and a signal transmitter and a signal receiver. The signal transmitter and the signal receiver are electrically connected with two ends of each photosensitive resistor respectively, wherein the signal transmitter is adapted for transmitting an initial electric signal to the photosensitive resistors, and the signal receiver is adapted for receiving an electric signal output from the photosensitive resistors.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yuanhui Guo
  • Patent number: 10509267
    Abstract: The present disclosure provides a substrate, a display panel and manufacturing methods thereof. The substrate includes a substrate body and a planarization layer arranged on the substrate body. The substrate is provided at a surface facing a liquid crystal layer with a groove or notch penetrating through the planarization layer, at least a portion of the groove or notch is located at a region where a sealant is applied, and a waterproof material is filled within the groove or notch.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jun Ma, Bo Zhou
  • Patent number: 10509268
    Abstract: According to an aspect, a display device includes: a first translucent substrate; a second translucent substrate facing the first translucent substrate; a liquid crystal layer including polymer dispersed liquid crystal sealed between the first translucent substrate and the second translucent substrate; at least one light emitter facing at least one of a side surface of the first translucent substrate or a side surface of the second translucent substrate; and a display controller that controls transmittance of light passing through the first translucent substrate and the second translucent substrate. A non-light-emitting period in which the at least one light emitter does not emit light is provided between a plurality of light-emitting periods in which the at least one light emitter emits light.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: December 17, 2019
    Assignee: Japan Display Inc.
    Inventors: Tae Kurokawa, Kentaro Okuyama, Takayuki Imai
  • Patent number: 10509269
    Abstract: Embodiments of the present disclosure disclose an array substrate, a liquid crystal display panel and a display device. A strip shaped transparent and electrically conductive shielding electrode is arranged above a gate line, and an outer contour of a projection of the shielding electrode on a base substrate surrounds a projection of the gate line on the base substrate, and the shielding electrode is insulated from both a pixel electrode and the gate line. The shielding electrode can shield the electrical field above the gate line.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenjun Xiao, Shijun Wang, Xi Chen, Xue Dong, Zhifu Li, Wenbo Jiang, Yanna Xue, Yue Li, Zhiying Bao, Zhenhua Lv, Yong Zhang, Lei Mi, Yue Geng
  • Patent number: 10509270
    Abstract: According to one embodiment, a liquid crystal display apparatus includes a display region including a plurality of display pixels arrayed in a matrix, an array substrate including a plurality of first electrodes which are arrayed in a matrix, second electrodes which are arranged on the same layer as a layer of the first electrodes and connect the first electrodes to each other, and third electrodes which are arrayed in a matrix on the first electrodes and the second electrodes, a countersubstrate which is arranged to face the array substrate, and a liquid crystal layer which is interposed between the array substrate and the countersubstrate.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: December 17, 2019
    Assignee: Japan Display Inc.
    Inventors: Takashi Doi, Toshihiro Ninomiya
  • Patent number: 10509271
    Abstract: By increasing an interval between electrodes which drives liquid crystals, a gradient of an electric field applied between the electrodes can be controlled and an optimal electric field can be applied between the electrodes. The invention includes a first electrode formed over a substrate, an insulating film formed over the substrate and the first electrode, a thin film transistor including a semiconductor film in which a source, a channel region, and a drain are formed over the insulating film, a second electrode located over the semiconductor film and the first electrode and including first opening patterns, and liquid crystals provided over the second electrode.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: December 17, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10509272
    Abstract: A display panel and a display apparatus includes the display panel. The display panel includes a first substrate, a second substrate and a liquid crystal layer between the first substrate and the second substrate. The first substrate and the second substrate are disposed opposite to each other, the first substrate comprises a pixel electrode, the second substrate comprises a common electrode, and the common electrode is formed with an opening.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: December 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Jianbo Xian, Xueguang Hao, Yuxin Zhang, Yong Hu
  • Patent number: 10509273
    Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: December 17, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
  • Patent number: 10509274
    Abstract: A blue phase liquid crystal display panel and a liquid crystal display device are disclosed, including a first and a second substrates disposed at an interval and parallel. Blue phase liquid crystal is disposed between the first and second substrates. The first substrate includes a first base. The second substrate includes a second base. The blue phase liquid crystal display panel includes a transmissive display region having multiple first base platforms, multiple first electrodes, each of which is disposed on each of the first base platform, and second electrodes disposed on the first base and the second base. A reflective display region has fourth electrodes only disposed on the second base. The first substrate is provided with a reflective layer corresponding to the reflective display region. When light passes through the transmissive display region and the reflective display region, phase delays of the light in the two regions are identical.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: December 17, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10509275
    Abstract: A first substrate of a display panel includes scan lines disposed above a first base and extending along a first direction, and data lines disposed above the first base and extending along a second direction. An electrode between two data lines has two extending portions substantially parallel to the second direction and one bending portion, and the bending portion is positioned between and connects two extending portions. When a light passes the electrode, an extending direction of a dark pattern corresponding to the bending portion is substantially parallel to the first direction, the dark pattern has a first width in a first gray level and a second width in a second gray level, the first width is larger than the second width, the second gray level is a maximum gray level of the display panel and the first gray level is equal to half of all gray levels.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: December 17, 2019
    Assignee: Innolux Corporation
    Inventors: Bo-Chin Tsuei, Hsia-Ching Chu, Kuei-Ling Liu
  • Patent number: 10509277
    Abstract: The present invention provides a LCD device, comprising: a backlight module, comprising a light emitting surface and an opposite back surface; a liquid crystal panel, on the light emitting surface, wherein a signal binding end is disposed on a front surface, away from the backlight module, of the liquid crystal panel; and a COF, comprising a flexible circuit board, and a binding part and a driver chip on a first surface of the flexible circuit board, wherein the flexible circuit board is connected to the signal binding end through the binding part and is bent extendedly to the back surface of the backlight module; and in the region of the flexible circuit board at the back surface of the backlight module, the first surface of the flexible circuit board comprises a first area facing away from the backlight module, and the driver chip is connected to the first area.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: December 17, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yujie Bai, Chun-hung Huang
  • Patent number: 10509278
    Abstract: The present disclosure relates to a chip on film (COF) single-layer flexible printed circuit board, including: a flexible packaging substrate including a bonding area and a controlling chip being packaged on the flexible packaging substrate. The bonding area of the flexible packaging substrate is configured to bond with a bonding area of an array substrate. The controlling chip electrically connects to the bonding area of the flexible packaging substrate. The controlling chip and the bonding area of the flexible packaging substrate are configured on the same side of the flexible packaging substrate, and a portion of the flexible packaging substrate is bent at least one time. As such, the controlling chip faces away the array substrate, the cost and the complexity of the post-process may be reduced, and the COF single-layer flexible printed circuit board may be shipped in the folding manner.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: December 17, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yan Cheng, Gege Zhou
  • Patent number: 10509279
    Abstract: A thin film transistor, a TFT substrate, and a display panel are provided. The TFT includes a gate, a source, and a drain. The source is a first bending structure. The drain is a second bending structure. The gate is a third bending structure. The first bending structure of the source and the second bending structure of the drain are arranged opposite. The third bending structure of the gate is arranged between the first bending structure of the source and the second bending structure of the drain. The present disclosure facilitates fabrication of a narrow bezel of a display panel.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: December 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd
    Inventors: Longqiang Shi, Shu-Jhih Chen
  • Patent number: 10509280
    Abstract: A liquid crystal panel includes a plurality of color resist blocks and a plurality of spacers arranged at one side of the color resist blocks. Each color resist block includes a first zone and a second zone arranged in sequence in the first direction. The plurality of color resist blocks include a first color resist block, a second color resist block, and a third color resist block arranged in sequence in the first direction. The first zone of the third color resist block is formed with a first through hole. The third color resist block includes a first extension extending from the second zone of the third color resist block in a first direction. The plurality of spacers include a first spacer, which is set at a location corresponding to and the first extension section or the second zone of the third color resist block.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: December 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Liyang An
  • Patent number: 10509281
    Abstract: A display panel and a display device are disclosed, the display panel includes an opposed substrate and an array substrate opposite to each other, and a flexible printed circuit. The opposed substrate includes a conductive layer, which is configured for electrostatic prevention, the flexible printed circuit includes a first conductive structure connected to the conductive layer, and the conductive layer is grounded through the first conductive structure.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Yi Wang, Xuebing Jiang