Liquid Crystal Writing Tablet Patents (Class 349/12)
  • Patent number: 10444891
    Abstract: Provided is a touch panel. The touch panel includes a first substrate, a second substrate, a first electrode, a second electrode, a third electrode, and a dielectric layer. The second substrate faces the first substrate. The first electrode is on one surface of the first substrate. The second electrode is spaced apart from the first electrode on a same plane as the first electrode. The third electrode is on one surface of the second substrate and overlaps the first electrode and the second electrode. The dielectric layer is between the first electrode and the third electrode and between the second electrode and the third electrode and includes an anisotropic dielectric material.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: October 15, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Su Ham, SuSeok Choi, Taeheon Kim, YongWoo Lee, MyungJin Lim, Seulgi Choi
  • Patent number: 10437398
    Abstract: The present disclosure provides a touch substrate and a method for manufacturing the same and a touch screen, and belongs to the field of touch technology. The touch substrate comprises a touch area and a non-touch area surrounding the touch area with a black matrix pattern provided thereon. The touch substrate further comprises: a plurality of touch electrodes provided on the touch area and the non-touch area, wherein at least one of the plurality of touch electrodes overlaps with the black matrix pattern; dummy electrode patterns, provided in gaps between adjacent touch electrodes, wherein a dummy electrode pattern between touch electrodes overlapped on the black matrix pattern comprises a plurality of dummy electrode blocks that are insulated from each other.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 8, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qingpu Wang, Ming Hu, Tsung-Chieh Kuo, Lei Zhang
  • Patent number: 10429965
    Abstract: The disclosure provides a flexible polarizer, including a polarizing layer, a first protective layer, and a second protective layer. The polarizing layer has a first surface and a second surface opposite to each other. The first protective layer is disposed on the first surface and comprises polyvinylidene difluoride (PVDF) or a kind of high phase retardation plastics. The second protective layer is disposed on the second surface and comprises PVDF or a kind of the high phase retardation plastics. The first protective layer, the second protective layer, and the polarizing layer are configured to be bent along a bend line.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: October 1, 2019
    Assignees: INTERFACE TECHNOLOGY (CHENGDU) CO., LTD., INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITED
    Inventors: Chun-Jen Chen, Tzu-Hsiang Lin
  • Patent number: 10416810
    Abstract: A method for operating electronic apparatus with independent power sources and having a functional circuit and a force and touch sensing circuit, the functional circuit and the force and touch sensing circuit are respectively powered by a first power source and a second power source different with the first power source. The method comprises (a) connecting the first power source and the second power source to different grounds; (b) the force and touch sensing circuit applying a capacitive sensing excitation signal to a force sensing electrode or a touch sensing electrode; and (c) the force and touch sensing circuit detecting a sensing signal from the force sensing electrode or the touch sensing electrode. In above step (b) or (c), the first power source and the second power source have no common current loop therebetween.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: September 17, 2019
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Patent number: 10409423
    Abstract: An optical touch substrate, an in-cell touch panel and a display device are disclosed. The optical touch substrate includes a base substrate, a light shielding matrix and a plurality of pixel regions defined by the light shielding matrix. The light shielding matrix includes a plurality of first optical touch electrodes and a plurality of second optical touch electrodes arranged to cross each other. The first optical touch electrodes are insulated from the second optical touch electrodes, and at least one optical touch electrode of the plurality of first optical touch electrodes and the plurality of second optical touch electrodes includes a light sensing layer and a conductive layer provided in a stacked manner. A sensing signal on each optical touch electrode changes as an intensity of light irradiated to a corresponding light sensing layer changes.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: September 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jiajia Song, Dianzheng Dong, Junwei Wang
  • Patent number: 10401994
    Abstract: In various embodiments, electronic devices such as thin-film transistors and/or touch-panel displays incorporate bilayer capping layers and/or barrier layers.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: September 3, 2019
    Assignee: H.C. STARCK INC.
    Inventors: Helia Jalili, Francois Dary, Barbara Cox
  • Patent number: 10394357
    Abstract: The present application discloses a touch display panel and a touch display device. An embodiment of the touch display panel includes: a first touch electrode array, comprising M first touch electrodes including 1st to Mth first touch electrodes, arranged along a first direction; and a second touch electrode array, comprising N second touch electrodes; each of the first touch electrodes comprising a first connection portion extending along the second direction, and each of the 2nd to Mth first touch electrodes further comprising a plurality of first electrode blocks; and an orthographic projection of each of the first electrode blocks on the second touch electrode array at least partially overlapping at least two second touch electrodes. The embodiment has improved touch detection accuracy.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: August 27, 2019
    Assignees: Xiamen Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Zongjun Zou, Ying Sun, Yumin Xu
  • Patent number: 10394401
    Abstract: A wiring body includes: a first resin layer; an electrode layer on the first resin layer and formed by first conductor lines; a first lead wire layer on the first resin layer and formed by second conductor lines; and a boundary line interposed between the electrode layer and the first lead wire layer. The wiring body satisfies W1<W2 and L1>W3 where W1 represents a width of the first conductor lines in a direction orthogonal to an extending direction of the first conductor lines, W2 represents a width of the second conductor lines in a direction orthogonal to an extending direction of the second conductor lines, L1 represents a length of the boundary line in its extending direction, and W3 represents a width of the one end part of the first lead wire layer in a direction orthogonal to an extending direction of the first lead wire layer.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: August 27, 2019
    Assignee: FUJIKURA LTD.
    Inventor: Tetsu Hammura
  • Patent number: 10394404
    Abstract: A touch display panel includes a substrate, a first sensing electrode layer. The first sensing electrode layer is disposed on the substrate. The first sensing electrode includes a plurality of first metal conductive lines and a plurality of second metal conductive lines connected with the plurality of first metal conductive lines. The first and second metal conductive lines are respectively arranged along different directions. The outermost one of the plurality of first metal conductive line has a first protruding portion.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 27, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Tsung-Yu Wang, Pei-Chieh Chen, Chao-Hsiang Wang
  • Patent number: 10379644
    Abstract: A touch sensing module includes a substrate, sensing electrodes, and a covering layer. The sensing electrodes are disposed on a surface of the substrate. Each of the sensing electrodes has a first end and a second end opposite to the first end. The second end is adopted to be electrically connected with an external circuit. The covering layer is disposed on a side of the sensing electrodes distal from the substrate, and covers the sensing electrodes. The covering layer has openings. The first ends of the sensing electrodes are exposed within the openings respectively.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: August 13, 2019
    Assignees: INTERFACE TECHNOLOGY (CHENGDU) CO., LTD., INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITED
    Inventors: Yen-Heng Huang, Po-Lin Chen, Yue-Feng Yang
  • Patent number: 10371543
    Abstract: Navigation applications may utilize various input data to determine various navigation routes. One example method of operating may include providing at least one navigation instruction to a navigation device via a navigation application, detecting the at least one instruction via a detection application, obtaining an image of a physical object, performing a holo-acoustic object manipulation of the physical object, and providing a visual display of the holo-acoustic manipulation as an additional navigation instruction.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: August 6, 2019
    Assignee: OPEN INVENTION NETWORK LLC
    Inventor: David Gerard Ledet
  • Patent number: 10372280
    Abstract: A capacitive sensor includes a base material provided with a pattern of a light-transmissive conductive film. The light-transmissive conductive film contains metal nanowires. The pattern includes a detection pattern formed of a plurality of detection electrodes arranged with intervals and a plurality of lead-out wirings linearly extending in a first direction from the corresponding ones of the plurality of the detection electrodes. At least one of the detection electrodes of the detection pattern includes a current path-setting section for elongating the linear path length of the current from the detection electrode toward the lead-out wiring.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 6, 2019
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Tomoyuki Yamai, Mitsuo Bito, Yasuyuki Kitamura, Yuta Hiraki, Setsuo Ishibashi, Manabu Yazawa
  • Patent number: 10364372
    Abstract: A composition capable of stably providing a high-quality siliceous film even under relatively low-temperature heating conditions, and a method of using the composition for forming a siliceous film. The composition includes a polysilazane and an imidazole group-containing compound represented by Formula (B).
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 30, 2019
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yasushi Fujii, Kunihiro Noda, Hiroki Chisaka, Kazuya Someya, Koichi Misumi, Dai Shiota
  • Patent number: 10365751
    Abstract: The present invention discloses a display device with a three-dimensional input module, and the device includes a pressure sensor, a display module having a position input function, and a common controller. The pressure sensor is used for detecting pressing force values of multiple points in Z direction. The display module having the position input function is disposed on one side of the pressure sensor and used for detecting press positions of multiple points in X direction and Y direction and displaying. The common controller generates pixel-scanning pulses and touch-scanning pulses for the display module having the position input function, and generates pressure-scanning pulses for the pressure sensor to detect multiple input positions and multiple pressing force values corresponding to the multiple input positions. The display device with the three-dimensional input module has advantages of simple hardware design and better noise immunity.
    Type: Grant
    Filed: July 10, 2016
    Date of Patent: July 30, 2019
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Chih-Cheng Chuang, Tai-Shih Cheng, Xiaoxian He
  • Patent number: 10359896
    Abstract: With respect to a conductive film according to the present invention, in a case where in one or more metal thin wires forming a irregular wiring pattern, one continuous line segment which extends in the longitudinal direction of the subpixels of the display unit and which can be regarded as one traverse one or more subpixels in the longitudinal direction, in a case where a total length of one or more traverse subpixels in which the one line segment is traversed in the longitudinal direction is set as a length L ?m and a coverage in which one line segment covers one or more traverse subpixels is set as C %, the length L and the coverage C of one line segment of the irregular wiring pattern that is overlapped with a pixel arrangement pattern of the display unit are included in a region below a line represented by equations below, in a case where 0<x?168, y=6.7, in a case where 168<x?252, y=?0.00595x+7.7, in a case where 252<x?378, y=?0.00476x+7.4, in a case where 378<x?504, y=?0.02143x+13.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: July 23, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Kazuchika Iwami
  • Patent number: 10361254
    Abstract: A display device including a substrate having a display area and a peripheral area defined outside the display area, a circuit layer disposed on the substrate, a device layer disposed on the display area, an encapsulation layer covering the device layer, a touch sensing unit including at least one touch insulating layer disposed on the encapsulation layer, touch electrodes disposed on the encapsulation layer, and touch signal lines connected to the touch electrodes, a first section disposed in the peripheral area and including a first part having a first thickness, a second part having a second thickness less than the first thickness and overlapping the touch signal lines, and an intermediate part connecting the first part and the second part and being inclined, and a first thickening pattern overlapping at least the intermediate part.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-hwan Park, Miyoung Kim, Jongseok Kim
  • Patent number: 10353235
    Abstract: The invention provides a display screen and an electronic device, by disposing a plurality of one or more fingerprint recognition blocks (5) in the active area (AA), with pixel electrode layer (11) corresponding to each sub-pixel unit (SP) comprising a sub-pixel electrode (111) and a fingerprint recognition electrode (112) spaced from the sub-pixel electrode (111), the corresponding BM layer (21) comprising a black frame (211) covering the sub-pixel electrode (111) peripheral and a black block (212) covering the fingerprint recognition electrode (112); and disposing the fingerprint recognition signal lines (13) contacting the fingerprint recognition electrode (112) to electrically connect the fingerprint recognition electrode (112) to an integrated chip (9) of display and fingerprinting recognition.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: July 16, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS CO., LTD.
    Inventors: Yaoli Huang, Hongsen Zhang
  • Patent number: 10353498
    Abstract: A touch structure for touch display pane includes a plurality of first sensing strip, each of first sensing strips is extending along first direction and first sensing strips are parallel to each other and separately positioned, each of first sensing strips comprises a plurality of first sensing pad and a plurality of first bridge connector connecting in cascade with first sensing pads; a plurality of second sensing strip, each of second sensing strips is extending along second direction which is perpendicular to first direction and second sensing strips are parallel to each other and separately positioned, each of second sensing strips comprises a plurality of second sensing pad and a plurality of second bridge connector connecting in cascade with second sensing pads, second bridge connector is insulating with first bridge connector.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: July 16, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaoliang Feng
  • Patent number: 10345945
    Abstract: The present disclosure provides a display panel and a pressure sensing method for the same, which belongs to the field of pressure sensing technology for display panel, and can solve the problem that the existing pressure sensing technology for the display panel needs to change the overall structure of the display device and has poor accuracy. The display panel includes a first substrate and a second substrate, which are opposed to each other; a constant voltage electrode, which is applied with a constant voltage, and disposed on one of the first substrate and the second substrate; and a pressure sensing electrode, which is disposed to be opposite to the constant voltage electrode, configured to sense a pressure applied on the display panel in accordance with a distance thereof from the constant voltage electrode, and disposed on the other one of the first substrate and the second substrate.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Lei Wang, Ming Yang, Changfeng Li, Wei Liu, Pengpeng Wang
  • Patent number: 10331263
    Abstract: An OLED display panel includes a common electrode layer, a display pixel electrode and touch sensing electrode layer, an OLED layer, a lower substrate, a thin film transistor layer, and an encapsulation layer. The common electrode layer has plural through holes defined therein. The display pixel electrode and touch sensing electrode layer includes plural display pixel electrodes and plural touch sensing electrodes, wherein each touch sensing electrode has a mesh type pattern. The OLED layer is configured between the common electrode layer and the display pixel electrode and touch sensing electrode layer. The thin film transistor layer is disposed at one side of the lower substrate facing the OLED layer. The encapsulation layer is disposed at the other side of the common electrode layer facing the OLED layer. A first power circuit for the touch sensing electrodes is independent to a second power circuit for the OLED display panel.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: June 25, 2019
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Patent number: 10331254
    Abstract: A touch organic light-emitting diode display device including an organic light-emitting diode display, a touch panel, and a linear polarizing layer is provided. The touch panel is disposed on the organic light-emitting diode display, and the touch panel includes a substrate, a driving electrode, a sensing electrode, and a dielectric layer. The driving electrode is adapted to transmit a driving signal, and the sensing electrode is adapted to receive a sensing signal. The driving electrode and the sensing electrode are disposed to be insulated from each other, and the dielectric layer is connected to at least one of the driving electrode and the sensing electrode. The dielectric layer has a one-quarter wavelength phase delay amount, and the dielectric layer is formed by coating. The linear polarizing layer is disposed at one side of the touch panel away from the organic light-emitting diode display. Besides, a touch device is also provided.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: June 25, 2019
    Assignee: Coretronic Corporation
    Inventors: Wen-Chun Wang, Chia-Chia Lin, Li-Chun Tai
  • Patent number: 10332915
    Abstract: An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 25, 2019
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Koichi Fukuda
  • Patent number: 10331939
    Abstract: Devices and optical sensor modules are provided for provide on-screen optical sensing of fingerprints by using an under-LCD or OLED screen optical sensor module that captures and detects returned light.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: June 25, 2019
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Yi He, Bo Pi
  • Patent number: 10327326
    Abstract: Embodiments are directed to a circuit assembly for an electronic device having an electromagnetic shield that defines a sensing element or contact pad along an outer surface of the assembly. The circuit assembly includes a group of electrical components attached to a surface of a printed circuit board. A molded structure may encapsulate the group of electrical components and at least a portion of the surface of the printed circuit board. A metal layer may be formed over an outer surface of the molded structure. The metal layer may define both a shield portion configured to provide shielding for one or more of the group of electrical components and an electrode configured to detect an input applied to the electronic device.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 18, 2019
    Assignee: Apple Inc.
    Inventors: Brad G. Boozer, Colin M. Ely, Steven P. Cardinali
  • Patent number: 10318080
    Abstract: A touch panel includes a substrate, a touch electrode, a control unit, and a trace structure. The substrate has a touch sensing area and a peripheral circuit area. The touch electrode is disposed on the touch sensing area of the substrate. The touch electrode includes a first transparent conductive layer, a second transparent conductive layer, and a metal mesh layer. The second transparent conductive layer is disposed on the first transparent conductive layer. The metal mesh layer is disposed between the first transparent conductive layer and the second transparent conductive layer, in which the metal mesh layer is at least partially in contact with the first transparent conductive layer and the second transparent conductive layer, and the metal mesh layer comprises plural metal lines. The trace structure is disposed on the peripheral circuit area of the substrate and configured to electrically connect the touch electrode to the control unit.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: June 11, 2019
    Assignee: HANNSTOUCH SOLUTION INCORPORATED
    Inventors: Ching-Feng Tsai, Wei-Ren Lo
  • Patent number: 10318035
    Abstract: A touch sensor integrated type display device includes gate lines and data lines disposed to cross over each other, pixel electrodes respectively disposed in areas defined by the crossing of the gate lines and the data lines in an active area, 1-1 electrodes arranged in at least two rows and at least two columns in the active area, 1-2 electrodes positioned outside the 1-1 electrodes and extending from the active area to a bezel area, and first routing wires respectively connected to the 1-1 and 1-2 electrodes and arranged in parallel. Each gate line extends from the active area to the bezel area on opposite sides of the active area, and each data line extends from the active area to the bezel area on opposite sides of the active area crossing the gate line.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: June 11, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Jaegyun Lee, Jihyun Jung, Sangkyu Kim, Seungrok Shin, Jeonghoon Lee
  • Patent number: 10318040
    Abstract: There is provided a touch display device including a display panel including a first electrode for touch sensing, a first support that covers a back surface of an edge area of the display panel, a second support on a back side of the first support and that covers an entirety of the back surface of the display panel, and a touch driver configured to: apply a first electrode driving signal to the first electrode, select one of the first support and the second support as a second electrode, and apply a second electrode driving signal to sense a user's touch pressure applied to the display panel.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 11, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: TaeHoon Kim, JeongKil Seo, Jinsoo Chung, DongHoon Lee, JunWook Yoo
  • Patent number: 10310678
    Abstract: When a protective film is formed so as to cover an electrode, a position of an end portion of the protective film is highly accurately adjusted. An electrode substrate includes a second substrate, and a sensing electrode continuously formed on the second substrate from a first region on an upper surface of the second substrate via a second region on the upper surface of the second substrate over a third region on the upper surface of the second substrate. Also, the electrode substrate includes a concave/convex pattern formed on the sensing electrode or the second substrate in the second region, and a protective film formed in the first region and the second region so as to cover the sensing electrode. An end portion of the protective film on the third region side is positioned on the concave/convex pattern.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: June 4, 2019
    Assignee: Japan Display Inc.
    Inventors: Koji Ishizaki, Daisuke Sonoda, Toshimasa Ishigaki
  • Patent number: 10296145
    Abstract: In a method for determining force applied to an ultrasonic sensor, ultrasonic signals are emitted from an ultrasonic sensor. A plurality of reflected ultrasonic signals from a finger interacting with the ultrasonic sensor is captured. A first data based at least in part on a first reflected ultrasonic signal of the plurality of reflected ultrasonic signals is compared with a second data based at least in part on a second reflected ultrasonic signal of the plurality of reflected ultrasonic signals. A deformation of the finger during interaction with the ultrasonic sensor is determined based on differences between the first data based at least in part on the first reflected ultrasonic signal and the second data based at least in part on the second reflected ultrasonic signal. A force applied by the finger to the ultrasonic sensor is determined based at least in part on the deformation.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: May 21, 2019
    Assignee: Invensense, Inc.
    Inventors: Eitan Medina, Behrooz Abdi, Sam Massih, Romain Fayolle, Hao-Yen Tang
  • Patent number: 10288773
    Abstract: The present invention provides a layered body for organic electroluminescence which is excellent in the hardness, the transparency and the folding-durable performance. The present invention is a layered body for organic electroluminescence in which an optical layered body is laminated on one surface of an organic electroluminescence layer and which is not cracked or fractured when a test in which the entire area of the layered body for organic electroluminescence is folded 180 degrees at 20 mm intervals is repeated 100,000 times.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 14, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tomoyuki Horio, Masataka Nakashima, Hiroshi Nakamura, Jun Sato, Takeshi Nishizono
  • Patent number: 10289240
    Abstract: A method for operating electronic apparatus with independent power sources and having a functional circuit and a force and touch sensing circuit, the functional circuit and the force and touch sensing circuit are respectively powered by a first power source and a second power source different with the first power source. The method comprises (a) connecting the first power source and the second power source to different grounds; (b) the force and touch sensing circuit applying a capacitive sensing excitation signal to a force sensing electrode or a touch sensing electrode; and (c) the force and touch sensing circuit detecting a sensing signal from the force sensing electrode or the touch sensing electrode. In above step (b) or (c), the first power source and the second power source have no common current loop therebetween.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 14, 2019
    Assignee: SUPERC-TOUCH CORPORATION
    Inventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
  • Patent number: 10289232
    Abstract: A touch input device that includes a housing; a touch detecting sensor having a piezoelectric film; a holding member; an interlayer pressure-sensitive adhesive that fixes the touch detecting sensor to the holding member; and a fixing adhesive that fixes the holding member to the housing. The interlayer pressure-sensitive adhesive has a large Young's modulus at lower temperatures and a small Young's modulus at higher temperatures. The fixing adhesive has a large Young's modulus at lower temperatures and a small Young's modulus at higher temperatures.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 14, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Kenichi Mori
  • Patent number: 10290391
    Abstract: A transparent conductive film includes: a transparent substrate film; an antistripping layer with a thickness of 1.5 nm to 8 nm formed on one main surface of the substrate film; an optical adjustment layer with a thickness of 10 nm to 25 nm formed on the antistripping layer; and a transparent conductor layer with a pattern formed on the optical adjustment layer. The transmission Y value measured from a side of the transparent conductor layer is 88.0 or more and the reflection color difference ?E between a pattern portion and a non-pattern portion is 7.0 or less.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 14, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daiki Kato, Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10281764
    Abstract: A liquid crystal display includes a first display substrate, a second display substrate facing the first display substrate, and a liquid crystal layer interposed between the first and second display substrates, where the first display substrate includes a lower substrate, a pixel electrode, which is disposed on the lower substrate, and a protrusion pattern, which is disposed on the pixel electrode along an outer edge of the pixel electrode, the second display substrate includes an upper substrate and a light-shielding member, which is disposed on a surface of the upper substrate facing the first display substrate and in which indentation pattern parts are inwardly indented in a plan view, the light-shielding member includes light-shielding parts that are an entirety of the light-shielding member except for the indentation pattern parts, and the indentation pattern parts overlap parts of the pixel electrode.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Seung Kyu Lee, Gung Wan Nam, Woo Sung Sohn, Mi Hyeon Jo, Ki Pyo Hong
  • Patent number: 10283574
    Abstract: A display apparatus includes a substrate, an inorganic insulating layer, a first conductive layer, and an organic material layer. The substrate includes a first area, a second area, and a bending area located between the first area and the second area the bending area configured to be bent about a first bending axis extending in a first direction. The inorganic insulating layer is arranged over the substrate. The first conductive layer extends from the first area to the second area passing over the bending area, and is arranged over the inorganic insulating layer. The organic material layer is arranged between the inorganic insulating layer and the first conductive layer and includes a central portion overlapping the bending area and a peripheral portion extending from the central portion. An average thickness of the central portion is greater than an average thickness of the peripheral portion.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keonwoo Kim, Deukjong Kim, Yongjin Kim, Donghyun Lee
  • Patent number: 10283347
    Abstract: A display device including a first film, a flexible printed circuit, and a second film. The first film includes a substrate and a non-adhesive pattern, where the substrate includes a first area and a second area adjacent to the first area, and the non-adhesive pattern is formed on at least a portion of the second area. The flexible printed circuit is disposed on the first area of the first film. The second film is disposed on the flexible printed circuit and the first film.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon-Hyop Lee, Hee-Woong Park, Kang-Won Lee, Jeong-Heon Lee, Won-Gu Cho
  • Patent number: 10281754
    Abstract: The present invention relates to the field of display technology and discloses a display device. The display device comprises a decorative frame, a cover glass, a display panel, a back plate and a connecting component. The back plate, the display panel and the connecting component are located in the decorative frame. The connecting component is mounted on the back plate. The decorative frame surrounds the display panel; the connecting component is arranged between the decorative frame and the display panel. The cover glass is adhered to the connecting component and covers the display panel, the connecting component and the decorative frame. In the display device, the back plate, display panel and connecting component are located within the decorative frame; the cover glass is connected to the back plate through the connecting component and covers the components between the cover glass and the back plate.
    Type: Grant
    Filed: February 14, 2016
    Date of Patent: May 7, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE MULTIMEDIA TECHNOLOGY CO., LTD.
    Inventors: Yansheng Sun, Huijun Li, Xinhua Jia
  • Patent number: 10274773
    Abstract: In one example in accordance with the present disclosure a device is described. The device includes a first electrode. The device also includes a second electrode. The device also includes multiple polymer dispersed liquid crystals (PDLCs). The multiple PDLCs are disposed between the first and the second electrode and are of varying height.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: April 30, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kuan-Ting Wu, Wei Kuang Chu, Cheng-Hua Yu
  • Patent number: 10271435
    Abstract: A method for waterproofing a device and the resulting device are provided. The device includes a printed circuit board assembly (PCBA), which includes a printed circuit board, and at least one electronic component disposed on the printed circuit board. A waterproof coating such as a polymer coating is disposed on or in contact with at least one portion of the at least one electronic component. A nanofilm is disposed on the PCBA. The nanofilm includes an inner coating and an outer coating. The inner coating is disposed on the printed circuit board or in contact with the waterproof coating. The inner coating comprises metal oxide nanoparticles having a particle diameter in a range of about 5 nm to about 100 nm. The outer coating in contact with the inner coating, and comprises silicon dioxide nanoparticles having a particle diameter in a range of 0.1 nm to 10 nm.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 23, 2019
    Assignee: Nanoshield Technology Co., Ltd.
    Inventor: James Cheng Lee
  • Patent number: 10268296
    Abstract: A display apparatus including a substrate having a display area in which a display device is provided to display an image, and a non-display area around the display area. The non-display area includes a bending area that is bent about a bending axis; an encapsulation layer arranged above the display area; a touch electrode arranged above the encapsulation layer; a touch wire connected to the touch electrode and extending to the non-display area; and a fan-out wiring connected to a signal wiring that applies electric signals to the display area. At least a portion of the fan-out wiring is arranged in the bending area, and the fan-out wiring includes the same material as the touch wire.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: April 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonsuk Choi, Sangmin Kim, Sunghoon Kim, Cheolsu Kim, Yoonsun Choi
  • Patent number: 10261639
    Abstract: A touch display device includes a touch screen, a display panel, a window member, and an adhesive layer. The display panel is configured to display an image and includes a first curved surface area. The window member is disposed on the display panel and includes a second curved surface area disposed in correspondence with the first curved surface area. The adhesive layer is disposed between the display panel and the touch screen panel and is configured to block light in at least a portion thereof. The display panel is disposed between the window member and the touch screen panel.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: April 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Il Lee, Youn-Hwan Jung
  • Patent number: 10248240
    Abstract: A touch substrate and a method for forming the same, and a touch display device are provided, relating to the field of display technology.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: April 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELELCTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jing Wang, Ming Zhang, Xiaodong Xie, Min He, Dong Li
  • Patent number: 10248255
    Abstract: Provided are an array substrate, a touch display panel and a method for calculating touch pressure. The array substrate includes: a display region with a non-display region around the display region, thin film transistors in the display region and having an active layer, at least two semiconductor pressure sensors, a bias voltage applying circuit for applying a bias voltage to each semiconductor pressure sensor, and a voltage detecting circuit for acquiring a strain voltage from each semiconductor pressure sensor. A first straight line connecting a first connecting terminal and a second connecting terminal of the semiconductor pressure sensor intersects a second straight line connecting a third connecting terminal and a fourth connecting terminal of the semiconductor pressure sensor. The semiconductor pressure sensor is a semiconductor film in a polygonal structure having at least four sides, the active layer and the semiconductor film are in a same layer.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 2, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Qijun Yao, Liang Liu, Shaolong Ma, Yingteng Zhai
  • Patent number: 10241356
    Abstract: A display device comprises a display panel and a cover plate stacked with the display panel. An antistatic layer is provided on a side of the cover plate facing toward the display panel. The antistatic layer surrounds a display region (AA) of the display device, and the antistatic layer is grounded. The display device can achieve the antistatic protection function without reducing the light transmittance while meeting the requirement of the narrow bezel display device.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: March 26, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Pei Li, Tingting Zhao, Qian Wang, Yu Zhou
  • Patent number: 10224344
    Abstract: A flexible display device of which esthetic appearance is improved by reducing a bezel is disclosed. The flexible display device comprises a substrate including a display area and a non-display area including a bending area; a link line in the non-display area on the substrate; and a bending connection line in the bending area pf the substrate and connected with the link line, and the bending connection line located between a first buffer layer and a second buffer layer of the flexible display device.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: March 5, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Saemleenuri Lee, SeYeoul Kwon, Dojin Kim
  • Patent number: 10224504
    Abstract: A display apparatus includes a flexible substrate and a first insulation layer disposed on the flexible substrate. The flexible substrate includes a bending area. The first insulation layer includes a first unevenness disposed over the bending area. The first unevenness includes two or more steps in at least a portion of the first unevenness.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyekyung Park
  • Patent number: 10222902
    Abstract: A touch sensing device includes a substrate, a first electrode, a second electrode, a third electrode, a fourth electrode. The first electrode receives a first triggering signal. The second electrode selectively receives the first triggering signal and a second triggering signal. The first electrode and the second electrode are parallelly disposed on the substrate. The third electrode senses contact touch event according to the first triggering signal to generate a first sensing signal. The fourth electrode selectively senses the contact touch event according to the first triggering signal to generate the first sensing signal and senses contactless touch event according to the second triggering signal to generate a second sensing signal. The third electrode and the fourth electrode are parallelly disposed on the substrate, and the third electrode and the fourth electrode are vertically disposed to the first electrode and the second electrode.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 5, 2019
    Assignee: CHUNGHWA PICTURE TUBES, LTD.
    Inventors: Wei-Fu Chang, Jhen-Shen Liao, Hung-Hsiang Chen
  • Patent number: 10216332
    Abstract: A color filter substrate and an in-cell touch display device are disclosed. The color filter substrate including a display region and a non-display region surrounding the display region, wherein the color filter substrate further includes a conductive antistatic layer, and the antistatic layer is only disposed in the non-display region. The in-cell touch display device can eliminate static electricity under the premise of having no influence on touch function, and the in-cell touch display device is provided with an enhanced anti-electrostatic capability.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: February 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Le Sun, Yezhou Fang, Zhengwen Pan, Wei Zhang, Kunpeng Zhang
  • Patent number: 10216026
    Abstract: A thin image display device is provided which is free from display defects caused by the deformation of an image display part and can display high brightness and high contrast images. The image display device includes an image display part 2, a light-transmitting protective part 3 arranged on the image display part, and a cured resin layer 5 interposed between the image display part 2 and the protective part 3. The cured resin layer 5 has a light transmittance in the visible region of 90% or more and a refractive index (nD) of 1.45 or more and 1.55 or less.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: February 26, 2019
    Assignee: DEXERIALS CORPORATION
    Inventors: Yoshihisa Shinya, Yusuke Kamata
  • Patent number: 10209803
    Abstract: There are provided a touch sensor and a liquid crystal display including the same. A touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes intersecting the driving electrodes, a plurality of piezoelectric materials disposed between the driving electrodes and the sensing electrodes at intersection points of the driving electrodes and the sensing electrodes, and a touch controller for detecting a touch position and a touch pressure by using sensing signals output from the sensing electrodes.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Mi Kim, Joon Chul Goh, Kyoung Ho Lim