Patents Issued in March 17, 2020
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Patent number: 10591734Abstract: A display apparatus includes an image generation system that emits image light beams as non-parallel light beams, and a light guide system on which the image light beams emitted from the image generation system are incident without passing through a projection lens system. The light guide system includes a transparent light-incident portion that includes a light-incident surface on which the image light beams are incident and which is a curved surface, and a plurality of reflection surfaces which convert the image light beams incident from the light-incident surface into parallel light beams and are curved surfaces, and a transparent light guide portion of which one end side in a first direction is connected to the light-incident portion. In the light guide portion, the image light beams incident from the light-incident portion are reflected between a first surface and a second surface, and are guided to a light-emitting portion.Type: GrantFiled: March 15, 2018Date of Patent: March 17, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Hayato Matsuki, Takashi Takeda
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Patent number: 10591735Abstract: A head-mounted display device (30) is provided which includes: optical elements (33L, R) disposed in front of the eyes of a user and configured to introduce light associated with images to be presented to the user into the eyes of the user; and a drive mechanism configured to move the optical elements in directions intersecting with visual line directions of the user. An image display system is further provided which includes the head-mounted display device (30) and an image supply device (10) including: an image supply part configured to supply the images to the head-mounted display device; and a display position control part configured to output control instructions to operate the drive mechanism in a manner changing the positions at which the images are displayed within fields of view of the user.Type: GrantFiled: September 24, 2015Date of Patent: March 17, 2020Assignee: SONY INTERACTIVE ENTERTAINMENT INC.Inventors: Yoichi Nishimaki, Yoshinori Ohashi, Takao Maruyama, Koichi Shiono
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Patent number: 10591736Abstract: A Head-Mounted-Display (HMD) has snap rings assembled onto the eyecup assembly. The HMD includes a front body with an outer case and an eyecup assembly. At least a portion of the eyecup assembly is enclosed in the outer case at a rear portion of the front body. The HMD includes a facial interface of a specific shape and dimension to interface with a user's face at the rear portion of the front body. The HMD includes at least one snap ring assembled onto the eyecup assembly with a front portion of the facial interface between the snap ring and the front body to secure the facial interface to the front body.Type: GrantFiled: September 21, 2017Date of Patent: March 17, 2020Assignee: Facebook Technologies, LLCInventors: Peter Wesley Bristol, Scott Andrew Dallmeyer, Jeffrey P. Mills
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Patent number: 10591737Abstract: Systems and methods are disclosed for automatic adjustment of straps of a head mounted display. The head mounted display may include a display device, a plurality of straps, and a controller. The controller may monitor eye location data of at least one eye of a user using at least one eye tracking sensor. The controller may direct the user to move the display device to achieve a desired image being displayed on the display device based on the monitored eye location data and accepted eye location data. The controller may monitor strap pressure data associated with the plurality of straps using a plurality of the pressure sensors. The controller may adjust each strap of the plurality of straps using an adjustment actuator to achieve a desired fit of the head mounted display on the user based on the monitored strap pressure data and accepted strap pressure data.Type: GrantFiled: April 20, 2018Date of Patent: March 17, 2020Assignee: Dell Products L.P.Inventors: Yagiz Can Yildiz, Christopher A. Torres
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Patent number: 10591738Abstract: A heads up display system with a variable focal plane includes a projection device to generate light representative of at least one virtual graphic, an imaging matrix to project the light representative of the at least one virtual graphic on at least one image plane, a display device to display the at least one virtual graphic on the at least one image plane, and a translation device to dynamically change a position of the imaging matrix relative to the display device based, at least in part, on a predetermined operational parameter to dynamically vary a focal distance between the display device and the at least one image plane.Type: GrantFiled: May 5, 2017Date of Patent: March 17, 2020Assignee: WAYRAY AGInventors: Mikhail Svarichevsky, Vitaly Ponomarev
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Patent number: 10591739Abstract: A near-eye display that employs rapid spherical image scanning using liquid crystal retarder with concentric imaging and optical elements comprising a display with spherically curved concave image surface topped with a first polarizer; a spherically curved liquid crystal retarder composite reflector having a see-thru mirror topped at the concave side with electronically controlled liquid crystal retarder strips; a see-thru spherically curved mirror-polarizer composite with a mirror at the convex side and a second polarizer at the concave side; a frame to support, protect the device, and mount the device to the head.Type: GrantFiled: November 27, 2018Date of Patent: March 17, 2020Inventor: George M Calm
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Patent number: 10591740Abstract: A LIDAR system may include a laser diode that emits a beam having a slow axis and a fast axis so that a cross-section of the beam has a width substantially greater than a height. A first three-element lens may be optically aligned with a photodetector of the LIDAR system. A second three-element lens may be optically aligned with the diode laser. The second three-element lens may include at least one lens having a predetermined astigmatism that reduces the width of the beam with respect to the height.Type: GrantFiled: April 13, 2017Date of Patent: March 17, 2020Assignee: Panosense Inc.Inventor: Ryan McMichael
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Patent number: 10591741Abstract: Polarizing beam splitters and systems incorporating such beam splitters are described. More specifically, hybrid polarizing beam splitters and systems with such beam splitters that incorporate polymeric reflective polarizers aligned with MacNeille or wire grid reflective polarizers are described.Type: GrantFiled: March 27, 2018Date of Patent: March 17, 2020Assignee: 3M Innovative Properties CompanyInventors: Philip E. Watson, Yarn Chee Poon, Andrew J. Ouderkirk
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Polarizing beam splitters providing high resolution images and systems utilizing such beam splitters
Patent number: 10591742Abstract: Polarizing beam splitters and systems incorporating such beam splitters are described. More specifically, polarizing beam splitters and systems with such beam splitters that incorporate multilayer optical films and reflect imaged light towards a viewer or viewing screen with high effective resolution are described.Type: GrantFiled: May 22, 2019Date of Patent: March 17, 2020Assignee: 3M Innovative Properties CompanyInventors: Joseph C. Carls, Seong Taek Lee, Yeow Leng Teo, Kin Sheng Chan, Xiaohui Cheng -
Patent number: 10591743Abstract: An image pickup optical system includes an aperture stop, a first apodization filter disposed on an object side of the aperture stop, and a second apodization filter disposed on an image plane side of the aperture stop, each of the first apodization filter and the second apodization filter satisfies a predetermined condition, and a meridional light beam of a maximum angle of view has an optical path not involving at least one of a point of intersection between the optical axis and the first apodization filter and a point of intersection between the optical axis and the second apodization filter when an aperture size of the aperture stop is maximum.Type: GrantFiled: May 17, 2016Date of Patent: March 17, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Yoshiaki Ida, Kazuhiko Momoki
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Patent number: 10591744Abstract: A lens drive device has a support section for supporting a shake correction movable section relative to a shake correction stationary section. The support section has: an upper frame body; a plate-shaped first side support body for connecting the upper frame body and the shake correction stationary section; and a plate-shaped second side support body for connecting the upper frame body and the shake correction movable section. The first side support body and the second side support body are formed from an elastomeric material. As the shake correction movable section moves in a first direction, the first side support body is bent in the opposite directions at two Y-hinge sections extending in a second direction. As the shake correction movable section moves in the second direction, the second side support body is bent in the opposite directions at two X-hinge sections extending in the first direction.Type: GrantFiled: March 23, 2016Date of Patent: March 17, 2020Assignee: MITSUMI ELECTRIC CO., LTD.Inventors: Masayoshi Sugawara, Koki Hiwatashi
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Patent number: 10591745Abstract: Apparatuses and systems for wearable devices such as eyewear are described. According to one embodiment, the wearable device includes a frame, a temple, onboard electronics components, and a coupling mechanism. The frame is configured to hold one or more optical elements. The temple is connected to the frame at an articulated joint such that the temple is disposable between a collapsed condition and a wearable condition in which the device is wearable by a user to hold the one or more optical elements within user view. The onboard electronics components comprise at least a pair of electronics components carried by the frame and the temple respectively. The coupling mechanism is incorporated in the articulated joint and that is configured to electrically connect the pair of electronics components across the articulated joint both when the temple is in the wearable condition and when the temple is in the collapsed condition.Type: GrantFiled: April 10, 2018Date of Patent: March 17, 2020Assignee: Snap Inc.Inventor: Jun Lin
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Patent number: 10591746Abstract: Conventional eyewear devices such as spectacles typically include one or more refractive lenses. Such lenses may be thick or bulky. According to an aspect of the disclosure, a metalens-based eyewear devices is provided. The eyewear device includes one or more lenses. Each lens comprises a substantially transparent lens body. Each lens further comprises at least one metalens integrated with the body. Each metalens comprises a respective substantially transparent substrate, and a respective plurality of subwavelength structures arranged on the substrate in a pattern to interact with visible light. The lens body may be planar. The lenses of such eyewear (including at least one metalens) may be thinner and/or lighter than conventional refractive lenses.Type: GrantFiled: December 21, 2017Date of Patent: March 17, 2020Inventor: Brent Macinnis
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Patent number: 10591747Abstract: Disclosed is an inspection and system method and system for determining the orientation of a contact lens on a lens support, particularly in an automated contact lens manufacturing line.Type: GrantFiled: September 6, 2018Date of Patent: March 17, 2020Assignee: Alcon Inc.Inventors: Steffen Paulekuhn, Susanne Fechner, Sarah Unterkofler, Daniel Kessler, Evgeni Schumm, Matthias Schwab
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Patent number: 10591748Abstract: An optical device comprising a lens configured to be disposed in an eye. The lens is configured to contact a sclera of the eye and have a clearance above a cornea of the eye when disposed in the eye. The lens comprises a back surface that comprises at least one non-symmetrical feature that is configured to engage a corresponding feature on the eye. The lens is configured to be rotationally stable in use based on the at least one non-symmetrical feature on the back surface of the lens.Type: GrantFiled: September 6, 2018Date of Patent: March 17, 2020Assignee: EyePrint Prosthetics LLCInventors: Christine W. Sindt, Keith D. Parker
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Patent number: 10591749Abstract: Disclosed is a medical device having an elastic modulus of 100 kPa or more and 2,000 kPa or less, a water content of 10% by mass or less, a tensile elongation of 50% or more and 3,000% or less, and a dynamic contact angle (advancing angle) relative to a borate buffer of 80° or less. The present invention can significantly reduce or avoid a phenomenon of adhesion to a surface when contacted with a surface outside or inside the body, which has hitherto been regarded as a problem in a conventional medical device.Type: GrantFiled: August 10, 2012Date of Patent: March 17, 2020Assignee: Toray Industries, Inc.Inventors: Masataka Nakamura, Rumiko Kitagawa, Ryuta Tamiya
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Patent number: 10591750Abstract: Techniques and mechanisms for determining a direction of gaze by a user of an ophthalmic device. In an embodiment, at least a portion of a magnetic field is generated by one of the ophthalmic device and an auxiliary reference device while the ophthalmic device is disposed in or on an eye of the user, and while the auxiliary reference device is adhered on the user's skin or under a surface of the skin. The ophthalmic device and the auxiliary reference device interact with each other via a magnetic field, and the interaction is detected with one or more sensors of the ophthalmic device. In another embodiment, the ophthalmic device stores predetermined reference information which corresponds various magnetic field signal characteristics each with a different respective direction of gaze. Based on the sensor information and the reference information, a controller of the ophthalmic device determines a direction in which the eye of the user is gazing.Type: GrantFiled: February 14, 2017Date of Patent: March 17, 2020Assignee: Verily Life Sciences LLCInventors: Anil Kumar Ram Rakhyani, Stephen O'Driscoll
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Patent number: 10591751Abstract: Embodiments disclosed herein relate to systems including at least one ophthalmic device and methods of using the system. The ophthalmic device includes at least one switchable lens therein that includes at least one electro-optical material. The ophthalmic device also includes at least one charging electrical circuitry. The charging electrical circuitry is electrically coupled to the switchable lens and is configured to receive electrical energy from or provide electrical energy to the switchable lens. The ophthalmic device can also include at least one transfer electrical circuitry that can be coupled to and configured to transfer electrical energy between the charging electrical circuitry and the switchable lens. The ophthalmic device can also include at least one controller operably coupled to at least the charging electrical circuitry and the transfer electrical circuitry.Type: GrantFiled: August 27, 2018Date of Patent: March 17, 2020Assignee: ELWHA LLCInventors: Roderick A. Hyde, John Marshall, Clarence T. Tegreene, Roger Zaldivar, Roberto Zaldivar
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Patent number: 10591752Abstract: A method for adjusting prescription eyeglasses at a remote location based on measured data of a user of the eyeglasses is disclosed. With measurement decals adhered to lenses of the prescription glasses customized for a patient, an optometrist, optician, ophthalmologist, online optical merchant, or supplying lab will be able to have a physical measurement of the patient's segment height and monocular and binocular pupillary distance for improved fitting, thereby providing more comfortable single vision, bifocal and progressive prescription glasses, all without the need for an office visit or additional fees.Type: GrantFiled: May 8, 2018Date of Patent: March 17, 2020Inventor: Songchao Zhang
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Patent number: 10591753Abstract: An electroluminescent display is disclosed. The electroluminescent display includes a display panel including sub-pixels in which a light emitting area is defined and wirings connected to the sub-pixels. The sub-pixels have a transistor and a light emitting element. The wirings include a first wiring arranged along a first axis direction or a second axis direction perpendicular to the first axis direction. The first wiring is disposed under a first electrode of the light emitting element with an organic insulating layer interposed therebetween, and includes an overlapping portion overlapping with the light emitting area when viewed from plan. The overlapping portion of the first wiring has a shape with symmetry with respect to a center of gravity of the light emitting area.Type: GrantFiled: July 30, 2018Date of Patent: March 17, 2020Assignee: LG Display Co., Ltd.Inventors: Jiyun Kim, Choelmin Woo, Woochan Kim
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Patent number: 10591754Abstract: An exemplary embodiment of the present invention relates to an electro-optic modulator for modulating optical radiation. The electro-optic modulator comprises at least one upstream modulation subunit, at least one downstream modulation subunit and at least one phase-matching unit. The upstream and downstream modulation subunits are optically connected in series such that the optical radiation passes the downstream modulation subunit after passing the upstream modulation subunit. An electrical upstream modulation signal may be applied to the upstream modulation subunit, and an electrical downstream modulation signal may be applied to the downstream modulation subunit. The phase-matching unit is configured to delay the downstream modulation signal such that a phase difference between the upstream modulation signal and the downstream modulation signal is minimal.Type: GrantFiled: March 27, 2019Date of Patent: March 17, 2020Assignee: SICOYA GMBHInventors: Danilo Bronzi, Ahmet Mert Özdemir
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Patent number: 10591755Abstract: A direct-drive polymer modulator including a platform, a multilayer waveguide formed in/on the platform, the waveguide including a bottom cladding layer, an electro-optic polymer core and a top cladding layer, and at least a portion of the waveguide forming a direct-drive polymer modulator.Type: GrantFiled: February 19, 2018Date of Patent: March 17, 2020Assignee: Lightwave Logic Inc.Inventors: Richard Becker, Frederick J Leonberger, Michael Lebby
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Patent number: 10591756Abstract: A contact image sensor having a waveguiding structure for propagating light in a first direction including, in series, a first clad medium, a first core, a switchable grating clad, a second core, and a second clad medium sandwiched by transparent substrates, patterned parallel electrode elements orthogonally traversing the waveguides, a light source, a platen and a detector. Switchable grating regions overlapped by a first voltage-addressed electrode element diffract TIR light from the first core towards the platen. Switchable grating region overlapped by a second voltage-addressed electrode element diffract TIR light reflected from the platen into a TIR path within the second core.Type: GrantFiled: March 30, 2016Date of Patent: March 17, 2020Assignee: DigiLens Inc.Inventors: Milan Momcilo Popovich, Jonathan David Waldern, Alastair John Grant
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Patent number: 10591757Abstract: A display panel and a display device are provided. The display panel includes a display panel body, a power supply layer and a reflective structure layer. The display panel body includes a plurality of aperture areas and a non-transparent area surrounding each of the plurality of aperture areas; the power supply layer is disposed at a display side of the display panel body and includes a plurality of photoelectric conversion elements; and the reflective structure layer is disposed between the power supply layer and the display panel body, the plurality of photoelectric conversion elements are spaced apart to form a plurality of transparent openings, the reflective structure layer includes a plurality of reflective structures, the plurality of reflective structures are configured to reflect light emergent from plurality of aperture areas to the plurality of transparent openings.Type: GrantFiled: April 18, 2018Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Qiang Zhang, Yun Qiu, Xiang Feng, Sha Liu, Zhaokun Yang, Xiao Sun
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Patent number: 10591758Abstract: A curved liquid crystal display panel and a curved liquid crystal display device are disclosed. The curved liquid crystal display panel comprises: two substrates curved towards a same direction with liquid crystals filled therebetween to form a curved liquid crystal layer; and a transparent layer covering an outer surface of a glass of at least one of the substrates, a stress-optical coefficient of the glass of the substrate and a stress-optical coefficient of the transparent layer at a same side of the liquid crystal layer have opposite signs, wherein the outer surface of the glass of the substrate is a surface of the glass of the substrate away from the liquid crystals. The curved liquid crystal display device comprises the curved liquid crystal display panel. The optical rotation effects of the glass of the substrate and the transparent layer located at the same side of the liquid crystal layer are opposite from each other, optical delay thereof are counteracted by each other.Type: GrantFiled: May 8, 2015Date of Patent: March 17, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weili Zhao, Jae-Geon You
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Patent number: 10591759Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.Type: GrantFiled: May 2, 2017Date of Patent: March 17, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kang Bin Yi, Dong Rak Ko, Sung Ho Kim, Eun Ji Seo, Sung Hun Son, Hee Kyun Shin, Seok Lyul Yoon, Jeong Seok Lee, Sung Wook Jung, Hwan Kyeong Jeong
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Patent number: 10591760Abstract: An alignment detection method includes: establishing a coordinate system; providing at least one group of a first and second mark regions arranged on a first and second substrates respectively, the first and second mark regions being arranged opposite to each other so as to form at least two groups of first and second alignment marks; detecting an overlap level between an orthogonal projection of each of the first alignment marks onto the first substrate and that of the second alignment marks onto the second substrate, selecting a group of the first and second alignment marks having the highest overlap level, and acquiring, in the coordinate system, coordinate values of the first and second alignment marks in the group having the highest overlap level; and comparing the coordinate values with a threshold, so as to determine alignment accuracy between the first and second substrates.Type: GrantFiled: November 14, 2018Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yunjin Chen
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Patent number: 10591761Abstract: A flexible plastic substrate includes a film including a poly(amide-imide) copolymer; and a hard coating layer disposed on a first surface of the film, wherein the hard coating layer includes a crosslinked siloxane copolymer, and wherein the flexible plastic substrate has pencil hardness of greater than or equal to 2H under a vertical load of 1 kilogram according to ASTM D3363, a total light transmittance of greater than or equal to about 89% in a wavelength region of 350 nanometers to 750 nanometers.Type: GrantFiled: October 20, 2017Date of Patent: March 17, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Sang Soo Jee, Sun Jin Song, Chanjae Ahn, Sungwon Choi
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Patent number: 10591762Abstract: A method for manufacturing a liquid crystal display device including a first substrate and a second substrate, each of the first substrate and the second substrate having flexibility, the method includes a first step of manufacturing a display panel having flexibility, the display panel including the first substrate and the second substrate, a second step of bending the display panel such that a display of the display panel is constructed with a first flat surface and a second flat surface and a curved surface disposed between the first flat surface and the second flat surface, the curved surface having a predetermined curvature radius; and a third step of fixing the display panel subjected to the second step to a cover member keeping the curved surface in a given shape.Type: GrantFiled: March 29, 2018Date of Patent: March 17, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tomoharu Notoshi, Kazuhiko Tsuda
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Patent number: 10591763Abstract: Provided is a display device having a flexible substrate including an active region and a wiring region. The active region possesses a plurality of pixels each including a display element. The wiring region has a plurality of terminals, and a plurality of wirings extends from the active region to the plurality of terminals. An insulating film included in the active region and extending from the active region has a sidewall between an edge of the flexible substrate and the wiring adjacent to the edge in the wiring region. The sidewall has a curved portion on a plane in which the plurality of wirings is arranged, and a distance between the edge and the curved portion is curvedly varied.Type: GrantFiled: February 26, 2019Date of Patent: March 17, 2020Assignee: Japan Display Inc.Inventor: Naoki Tokuda
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Patent number: 10591764Abstract: An array substrate, a display panel and a display device are disclosed. An array substrate includes a base substrate; the base substrate includes a display area and a peripheral area encircling the display area; a pixel array structure is disposed in the display area; arid at least one touch electrode is disposed in the peripheral area and arranged along an edge of the base substrate. In the array substrate, a touch electrode is disposed in a peripheral area, so that the objective of replacing physical keys can be achieved, and hence the bezel width of the display device employing the array substrate can be reduced.Type: GrantFiled: February 3, 2016Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaochuan Chen, Lei Wang, Rui Xu, Ming Yang, Pengcheng Lu, Haisheng Wang, Changfeng Li
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Patent number: 10591765Abstract: A display device includes a display that displays images, a light source that irradiates light toward a back surface of the display, a metal material that radiates heat generated by the light source, a protective part provided in proximity to the perimeter of the display, wherein the protective part opposes the metal material, and a conductive part interposed between and electrically connects the protective part and the metal material.Type: GrantFiled: April 8, 2016Date of Patent: March 17, 2020Assignee: Funai Electric Co., Ltd.Inventors: Kodai Nakano, Tatsuji Sudo
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Patent number: 10591766Abstract: A display apparatus including a substrate, a gate line, first and second driving transistors, and a color filter layer is provided. The substrate has first and second light emitting regions and a circuit region. The first light emitting region is disposed to be adjacent to the second light emitting region, and the circuit region is disposed to be adjacent to the first and second light emitting regions. The gate line is disposed in the circuit region and extends along a direction. The first and second driving transistors are respectively disposed in the circuit region, have a channel region, and corresponds to the first and second light emitting regions. The color filter layer has a main portion in the first light emitting region and an extending portion in the circuit region and connected to the main portion. The extending portion extends along the direction and overlaps the channel regions.Type: GrantFiled: October 26, 2017Date of Patent: March 17, 2020Inventors: Pai-Chiao Cheng, Hsia-Ching Chu, Chandra Lius
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Patent number: 10591767Abstract: A display device in which ambient light reflections, for example, from IPS or FFS type displays are reduced by a circular polariser (e.g., linear polariser combined with external quarter waveplate) to make the light circular polarized, as it traverses the multiple reflective layers between the polariser and LC layer, and then an internal quarter waveplate converts the light back to linear polarisation before it enters the LC, so the display can operate as normal, while the circular polariser absorbs unwanted reflections of ambient light from within the display.Type: GrantFiled: July 29, 2015Date of Patent: March 17, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Nathan James Smith, Hywel Hopkin, Kiyoshi Minoura, Akira Sakai, Benjamin John Broughton
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Patent number: 10591768Abstract: A polarization layer including a wire grid layer including a metal wire; and a polarization layer on the wire grid layer and a host and a dichroic dye, wherein the host is one of a reactive mesogen and a liquid crystal polymer, and a liquid crystal display device including the polarization layer are provided.Type: GrantFiled: April 19, 2018Date of Patent: March 17, 2020Assignee: LG Display Co., Ltd.Inventors: Sang-Soon Yoon, Soo-In Jo
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Patent number: 10591769Abstract: According to an aspect, a display device includes: a display panel including a display area provided with pixels; an illuminator including an illumination area configured to emit light to the display panel such that the display area is illuminated from one surface side of the display panel; and a liquid crystal dimming panel overlapping the display panel, and including a dimming area configured to be adjusted in transmittance of the light emitted to another surface side of the display panel through the display area. The illumination area includes first segment regions configured such that luminance levels thereof are individually adjusted. The dimming area includes second segment regions configured such that the light transmittances thereof are individually adjusted. Each of the first segment regions overlaps more than one of the second segment regions. Each of the second segment regions overlaps more than one of the pixels.Type: GrantFiled: August 21, 2018Date of Patent: March 17, 2020Assignee: Japan Display Inc.Inventors: Tsutomu Harada, Daichi Suzuki, Kazuhiko Sako, Naoyuki Takasaki, Kazunari Tomizawa
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Patent number: 10591770Abstract: A display device comprising a color filter layer and a light-emitting unit is provided. The color filter layer includes a first subpixel area, a second subpixel area and a third subpixel area. The first subpixel area includes a first quantum dot material, and the second subpixel area includes a second quantum dot material. The light-emitting unit provides light to the color filter layer. A wide color gamut and a polarization effect are achieved via the quantum dot materials and the polarization material. Furthermore, due to no additional loss of the light at the light-emitting unit (backlight module), the luminous efficiency is high.Type: GrantFiled: April 14, 2017Date of Patent: March 17, 2020Assignee: ASUSTeK COMPUTER INC.Inventors: Chin-An Tseng, Wen-Chang Hung, Yung-Ming Huang, Mien-Mien Cheng, Yi-Ching Chen
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Patent number: 10591771Abstract: Disclosed are a backlight module and a display apparatus. The backlight module includes an infrared light source, an optical fiber and a conversion component. The infrared light source is connected with an input end of the optical fiber and configured to provide infrared light to the input end of the optical fiber. An output end of the optical fiber is connected with the conversion component and configured to transmit the infrared light to the conversion component. The conversion component includes a tube body, and a plurality of light emitting elements are arranged along an extending direction of the tube body successively in the tube body. The light emitting elements are configured to emit visible light under the irradiation of the infrared light.Type: GrantFiled: March 21, 2018Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Tongmin Liu, Jun Xu, Qing Zhang, Fusheng Huang, Shouzheng Wu, Heng Zhang
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Patent number: 10591772Abstract: A directional illumination apparatus comprises a catadioptric micro-optic array comprising a reflective surface comprising light reflecting facets and an output transmissive surface comprising refractive structures. An array of micro-LEDs is arranged between the reflective surface and output transmissive surface and arranged to illuminate the reflective surface. The light reflecting facets and refractive structures cooperate to provide a uniform output illumination across the output aperture of the array with collimated output. A thin and efficient illumination apparatus may be used for switching display backlighting or environmental illumination applications.Type: GrantFiled: March 11, 2019Date of Patent: March 17, 2020Assignee: RealD Spark, LLCInventors: Graham J. Woodgate, Jonathan Harrold, Michael G. Robinson
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Patent number: 10591773Abstract: The present disclosure relates to a backlight module and a display device. The backlight module includes: a back plate; a reflective sheet and a plurality of light sources sequentially disposed at one side of the back plate; and an optical film disposed at one side of the reflective sheet facing away from the back plate and at a given distance between the reflective sheet, characterized in that it further includes: at least one transflective film disposed at one side of the optical film facing the light source.Type: GrantFiled: July 31, 2017Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., K-TRONICS (SU ZHOU) TECHNOLOGY CO., LTD.Inventor: Zhou Yang
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Patent number: 10591774Abstract: A display may have display layers that form an array of pixels. The display layers may include a first layer that includes a light-blocking matrix and a second layer that overlaps the first layer. The first layer may include quantum dot elements formed in openings in the light-blocking matrix. The light-blocking matrix may be formed from a reflective material such as metal. The second layer may include color filter elements that overlap corresponding quantum dot elements in the first layer. Substrate layers may be used to support the first and second layers and to support thin-film transistor circuitry that is used in controlling light transmission through the array of pixels. The display layers may include a liquid crystal layer, polarizer layers, filter layers for reflecting red and green light and/or other light to enhance light recycling, and layers with angularly dependent transmission characteristics.Type: GrantFiled: August 31, 2017Date of Patent: March 17, 2020Assignee: Apple Inc.Inventors: Jean-Jacques P. Drolet, Yuan Chen, Jonathan S. Steckel, Ion Bita, Dmitry S. Sizov, Chia Hsuan Tai, John T. Leonard, Lai Wang, Ove Lyngnes, Xiaobin Xin, Zhibing Ge
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Patent number: 10591775Abstract: A light guide plate includes a bottom surface and a light emitting surface disposed opposite to the bottom surface. The light emitting surface sags down and forms a hollow, which is filled with a plurality of light-emitting quantum dots (QDs), with the light emitting surface capped with a cover film, so to seal the the plurality of light-emitting QDs in the hollow. The present invention also proposes a backlight module having the light guide plate and a liquid crystal display using the backlight module. The present invention forms a hollow on the top surface of a flat body of the light guide plate. The hollow is filled with light-emitting QDs, which can enhance the color gamut of the display backlight. At the same time, the side walls surrounding the hollow can be narrowed so that it is easier to realize the narrow edge design of the backlight module.Type: GrantFiled: August 20, 2015Date of Patent: March 17, 2020Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Gege Zhou
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Patent number: 10591776Abstract: The present application discloses a backlight module and a display device, the backlight module including a light source for emitting at least a first light; at least two sheets of light conversion films, wherein at least one sheet of light conversion films receives the first light and converts the light into at least a second light to emit, and makes the light emitting angle of the backlight module matching the wide viewing angle display requirements. It can increase the light emitting angle of the backlight module and achieve the wide viewing angle effect. By having at least two sheets of light conversion films at the same time, a part of the light is reflected back while the light is scattered and emitted at the same time, and the light is excited and emitted again, to improve the light utilization rate, enhance the brightness to have a better performance of display.Type: GrantFiled: July 18, 2017Date of Patent: March 17, 2020Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Zanjia Su
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Patent number: 10591777Abstract: A display device comprising: a first substrate, a second substrate facing the first substrate, a color conversion layer disposed on one surface of the second substrate and including quantum dots; a first circular polarizer disposed on the color conversion layer and a second circular polarizer disposed on either one surface of the first substrate facing one surface of the second substrate or the other surface opposed to the one surface of the first substrate.Type: GrantFiled: August 28, 2017Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyung Guen Yoon, Jae Hong Park, Dong Han Song, Ji Yun Park, Sang Hee Yu, Kyung Seon Tak
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Patent number: 10591778Abstract: The present invention discloses a display panel and a manufacturing method thereof. A thin film transistor array substrate of a display panel is provided with a first alignment layer; a color filter substrate of display panel is provided with a second alignment layer; the first alignment layer is formed by irradiating the first alignment material with a first light having a first wavelength, the second alignment layer is formed by irradiating the second alignment material with a second light having a second wavelength. The present invention permits the display panel to have good reliability and high contrast as well.Type: GrantFiled: May 22, 2015Date of Patent: March 17, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiang Li, Chung-Ching Hsieh, Yanjun Song, Yongchao Zhao, Rentang Zhao
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Patent number: 10591779Abstract: A display panel and a display device are provided. The display panel comprises a first substrate (1) and a second substrate (2) provided opposite to each other, and a spacer (101) provided between the first substrate (1) and the second substrate (2). The spacer (101) is covered with an alignment film (4), both the first substrate (1) and the second substrate (2) includes an active display region (102) and a non-display region (103), the spacer (101) is provided in the non-display region (103) of the first substrate (1) and the non-display region (103) of the second substrate (2). A minimum distance value from an edge of the spacer (101), which is an edge closest to the active display region (102) along a rubbing direction of the alignment film (4), to the active display region (102) along the rubbing direction of the alignment film (4) is within a preset range for avoiding light leakage caused by the spacer.Type: GrantFiled: September 18, 2015Date of Patent: March 17, 2020Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Yifeng Qin, Yongshan Zhou, Jingpeng Li
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Patent number: 10591780Abstract: A display panel is provided. The display panel includes a conductive layer having a plurality of protrusions alternating with a plurality of indentations along a side proximal to the interface between the display area and the peripheral area. The plurality of protrusions protrudes in a direction from the peripheral area to the display area. The plurality of indentations indented in a direction from the display area to the peripheral area. Adjacent protrusions spaced apart by an indentation. The display panel further includes a plurality of common electrode signal lines. Each of the plurality of common electrode signal lines extends from an apex of each of the plurality of protrusions into the display area for providing a common voltage. A plurality of openings in the first barrier and the second barrier are substantially aligned with the plurality of indentations.Type: GrantFiled: December 12, 2016Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE TECHNOLOGY CO., LTD.Inventors: Yang Li, Hua Liu, Bin Feng, Peng Sun, Huzhao Shi
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Patent number: 10591781Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.Type: GrantFiled: December 10, 2018Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sae Ron Park, Jung Hyun Ahn
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Patent number: 10591782Abstract: A pixel structure, a display panel and a display device are provided. The pixel structure includes: a base substrate; a plurality of gate lines; a plurality of data lines; a plurality of pixel units, each includes a pixel electrode and a common electrode; and a common electrode line connected with the common electrode, wherein, the common electrode line includes a first part extended along the row direction and a second part extended along the column direction; the first part is electrically connected with the second part; both the first part and the second part are arranged in a same layer with the plurality of data lines; and a projection of the first part on the base substrate is at least partially disposed between projections of a gate line among the plurality of gate lines which is closest to the first part and the pixel electrode on the base substrate.Type: GrantFiled: August 29, 2017Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhijian Qi, Heecheol Kim, Shaoru Li, Ni Yang, Yang He
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Patent number: 10591783Abstract: A display device with a wide viewing angle is provided. A display device with a high aperture ratio is provided. The display device includes a first display element, a second display element, and an insulating layer. The first display element includes a first pixel electrode configured to reflect visible light. The second display element is configured to emit visible light. The second display element includes a second pixel electrode and a common electrode. The first pixel electrode is positioned on an opposite side of the insulating layer from the second pixel electrode. The common electrode is positioned on an opposite side of the second pixel electrode from the insulating layer. A shortest distance X between a first plane and a second plane is longer than or equal to 500 nm and shorter than or equal to 200 ?m.Type: GrantFiled: May 17, 2019Date of Patent: March 17, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Daisuke Kubota, Hisao Ikeda