Liquid Crystal Display Elements (lcd) Patents (Class 345/87)
  • Patent number: 10692462
    Abstract: According to an aspect, a display device includes a common voltage adjuster configured to adjust a common voltage based on a first capacitance value between one of a source and a drain of a transistor element and a gate of the transistor element, a second capacitance value between a pixel electrode and the gate of the transistor element, and a third capacitance value between the pixel electrode and a common electrode.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: June 23, 2020
    Assignee: Japan Display Inc.
    Inventor: Ryo Imai
  • Patent number: 10692457
    Abstract: A driving circuit including an output circuit that outputs a signal to a lead line electrically connected to a signal line provided in a display panel; and an output transistor that is provided in the output circuit and connected to an output terminal of the output circuit. An on-resistance value of the output transistor is set according to a resistance value of the lead line electrically connected to the output transistor.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 23, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yoshihiro Imajo, Masahiro Ishii, Kenta Endo, Tetsuo Fukami
  • Patent number: 10670890
    Abstract: Various aspects include audio eyeglasses with through-hinge wiring configurations. In particular aspects, audio eyeglasses include: a frame for resting on a head of a user, the frame comprising: a lens region; a pair of arms extending from the lens region; and a hinge coupling the lens region and one of the pair of arms, the hinge comprising: a body; a friction element coupled to the body for damping the movement of the arm relative to the lens region; and a cavity within the body, the cavity sized to accommodate a cable extending therethrough, the hinge permitting movement of the arm relative to the lens region; and an electro-acoustic transducer at least partially housed in the frame and comprising a sound-radiating surface for providing an audio output.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: June 2, 2020
    Assignee: BOSE CORPORATION
    Inventors: Allen Timothy Graff, Cedric Bosch, Nathan David Schaal, Edgardo Alicea, Vincent James Lee, Ryan Richard Meganck
  • Patent number: 10672844
    Abstract: An organic light emitting diode display includes a substrate, a first electrode, a second electrode, an organic emission layer positioned between the first electrode and the second electrode, a driving voltage line, a dummy electrode. The dummy electrode is positioned at the same layer as the first electrode.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hwa Kim, Moo Soon Ko, Se Wan Son, Jin Sung An, Wang Woo Lee, Ji Seon Lee
  • Patent number: 10663792
    Abstract: The embodiments of the disclosure provide a display screen and a mobile terminal, and relate to mobile terminals. The display screen may include a display panel and a backlight module. The backlight module may include a backlight panel and a backlight source placed on one side of the backlight panel. The display screen may define an accommodation space at least penetrating the backlight module and used to accommodate functional elements. The display panel may include a non-display area corresponding to the accommodation space in the backlight module, a first display area being set on one side of the non-display area, which is further away from the backlight source than the other side of the non-display area, and a second display area surrounding the non-display area and the first display area. The pixels per inch (PPI) of the first display area are smaller than PPI of the second display area.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 26, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LT
    Inventor: Jiao Cheng
  • Patent number: 10665199
    Abstract: A liquid crystal display power saving method is disclosed. It includes steps of: (a) dividing output channels coupled to a panel into multiple sets and each set includes M output channels, M is a positive integer; (b) calculating an average of the (N?1)-th display line of the panel after charge sharing, N is a positive integer larger than 1; (c) determining whether each of M output channels consumes power when it transmits a data signal from the (N?1)-th display line to the N-th display line; (d) calculating total power consumption of transmitting the data signal from the (N?1)-th display line to the N-th display line under possible charge sharing methods among the M output channels; (e) selecting a lowest power consumption charge sharing method from the possible charge sharing methods; and (f) switching coupling relationships among the M output channels according to the lowest power consumption charge sharing method.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: May 26, 2020
    Assignee: Raydium Semiconductor Corporation
    Inventors: Shao-Chun Cheng, Chung-Sung Tsai, Chi-Te Lee, Yi-Ping Lee
  • Patent number: 10657904
    Abstract: A display device includes: a base substrate having a first surface and a second surface opposite the first surface, the base substrate including a plurality of pixels on the first surface of the base substrate; a protective layer on the second surface of the base substrate, the protective layer having a first opening; a light sensor corresponding to the first opening; and a circuit board on the protective layer. The light sensor is mounted on the circuit board.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Young Heo, Dong Ho Kim, Min Soo Kim
  • Patent number: 10657886
    Abstract: A pixel compensation circuit, a driving method thereof and a display device are provided. The pixel compensation circuit includes: a signal input unit, a driving unit, a light-emitting control unit, a first reset unit, a second reset unit, a first storage capacitor, a first switching transistor and a second switching transistor. When display data are written into the signal input unit, a signal write control line controls the first switching transistor to be switched on. The driving method of the pixel compensation circuit can be applied in the pixel compensation circuit. The pixel compensation circuit can be applied in an OLED display device.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 19, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Li Wang
  • Patent number: 10658396
    Abstract: An array substrate having a substrate witha bonding region on one side, the bonding region having a plurality of bonding pads arranged in order, where at least one dummy pad is provided in a first position of the bonding pads. The at least one dummy pad is used for dividing the bonding region into a plurality of bonding sub-regions, where each bonding sub-region has a plurality of bonding pads. This disclosure further provides a display panel.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 19, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BOE (HEBEI) MOBILE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuesheng Song, He Xu, Donglai Gao, Wenbo Wang, Feng Guan
  • Patent number: 10657861
    Abstract: A display panel and its driving method and driving device are provided for selectively reducing display resolution of a display panel, thereby decreasing display power consumption.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 19, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD, BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Bo Gao, Xiurong Wang, Hao Zhang, Lingyun Shi, Xue Dong, Yafei Li
  • Patent number: 10650721
    Abstract: A display apparatus includes a display panel including a plurality of first gate lines, a first gate driver connected to first ends of the plurality of first gate lines, a second gate driver connected to second ends of the plurality of first gate lines, a feedback line connected adjacent to the first end of one of the plurality of first gate lines, and a gate delay sensing circuit connected to the feedback line. The gate delay sensing circuit includes a time-to-digital converter and a digital comparator. The time-to-digital converter converts an activation time of a feedback gate signal into a digital activation value. The feedback gate signal is retrieved from the feedback line. The digital comparator generates a digital delay value based on the digital activation value. The digital delay value indicates resistive-capacitive (“RC”) delay of the one of the plurality of first gate lines connected to the feedback line.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihyun Pyun, Hyeon-Do Park
  • Patent number: 10649283
    Abstract: A liquid crystal display device includes a display panel, a display control module and a voltage output module. The display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate is provided with a viewing angle control electrode. In a wide viewing angle mode, the image refresh frequency of the display panel is the same as the data input frequency of the image data inputted to the display control module, and the voltage output module outputs a direct current voltage to the viewing angle control electrode. In a narrow viewing angle mode, the image refresh frequency of the display panel is twice or four times the data input frequency of the image data inputted to the display control module, and the voltage output module outputs a periodic alternating voltage to the viewing angle control electrode.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: May 12, 2020
    Assignee: INFOVISION OPTOELECTRONICS (KUNSHAN) CO., LTD.
    Inventors: Techen Chung, Peiyang Lin, Dalei Zhang
  • Patent number: 10650769
    Abstract: The present disclosure provides a display substrate such that each pixel unit of the display substrate includes a switching circuit and a control circuit, and the switching circuit is connected to a corresponding gate line, a control circuit of a respective pixel unit, and a corresponding pixel electrode. The control circuit is configured to transmit a data signal on a corresponding data line to a switching circuit of the respective pixel unit under control of a corresponding control signal line, and n is an integer not less than 2. The present disclosure further provides a display device including the above display substrate and a driving method for the above display substrate.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 12, 2020
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanbo Zhang, Wenhao You, Rui Xue, Rui Wang, Pengyue Zhang, Xiaolin Wang
  • Patent number: 10650762
    Abstract: During a drive period, luminance momentarily decreases when the value ?(A?B) is positive and momentarily increases when the value ?(A?B) is negative. When the luminance increases during a pause period in accordance with the balance in time constant between an alignment film and a liquid crystal material that are included in a pixel forming portion, primary and secondary parasitic capacitances are adjusted so as to set the value ?(A?B) to be negative.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 12, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Makoto Kitagawa, Hideki Fujimoto, Yusuke Nishihara
  • Patent number: 10642117
    Abstract: The liquid crystal display device according to the present invention includes: a thin-film transistor substrate, wherein the thin-film transistor substrate includes an organic insulating film disposed on a drain electrode and provided with a contact hole, the contact hole includes first, second, third, and fourth side wall portions in the given order, an inclination of an upper portion of the second side wall portion is gentler than an inclination of an upper portion of each of the first and third side wall portions, and the contact hole satisfies W2>L, wherein L is a distance from an upper end of the first side wall portion to an upper end of the third side wall portion on a first straight line, and W2 is a maximum distance between one and another upper end of the second side wall portion on a third straight line parallel to the first straight line.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 5, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuta Muto, Kohshiroh Taniike
  • Patent number: 10643728
    Abstract: A display driving circuit, including: a first input terminal configured to receive a first signal; a second input terminal configured to receive a second signal; a third input terminal configured to receive a third signal; an output terminal configured to output a gate driver control GIP signal; a voltage detection circuit configured to detect an anomaly of the first signal, the second signal, and the third signal, and produce a detection result to indicate the anomaly; a shift register signal output port configured to output the gate driver control GIP signal to the output terminal; and a control circuit configured to receive the detection result, wherein, when no anomaly is indicated by the detection result, the control circuit controls the shift register signal output port to output the gate driver control GIP signal, and when the anomaly of at least one of the first signal, the second signal or the third signal is indicated by the detection result, the control circuit controls the shift register signal ou
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: May 5, 2020
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liangliang Zheng, Tingting Jin
  • Patent number: 10643557
    Abstract: A driving device and a liquid crystal display device are disclosed. In the driving device, a charging efficiency difference between a positive polarity voltage and a negative polarity voltage on a pixel can be compensated through increasing a duration of a gate driving signal, shortening a time period during which the positive polarity voltage is provided to a source line, and prolonging a time period during which the negative polarity voltage is provided to the source line. In this manner, the technical problem of non-uniform brightness of an image displayed in a traditional liquid crystal display panel and unsatisfactory display effect thereof can be solved.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 5, 2020
    Assignees: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Qingcheng Zuo
  • Patent number: 10642040
    Abstract: A display apparatus includes a frame, an image display device, and a dimming device. The frame is mounted onto a head of an observer. The image display device is attached to the frame. The dimming device is configured to adjust the amount of outside light that comes from the outside. Light transmittance of a partial area of the dimming device is changed based on a signal for displaying an image on the image display device.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: May 5, 2020
    Assignee: Sony Corporation
    Inventor: Hiroshi Mukawa
  • Patent number: 10643534
    Abstract: A method of manufacturing a display unit in which the method includes: forming a transistor on a substrate, in which a first direction to be scanned by an ion implantation apparatus intersects with a second direction to be scanned by an Excimer Laser Anneal apparatus; and forming a display element.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: May 5, 2020
    Assignee: SONY CORPORATION
    Inventor: Seiichiro Jinta
  • Patent number: 10636375
    Abstract: A display apparatus includes a display panel and a data driver. The display panel is configured to display an image and includes first through fourth data line groups. The first and second data line groups are adjacent to each other, and the third and fourth data line groups are adjacent to each other. The data driver includes a first data driving circuit configured to output first data voltages to the second data line group later than to the first data line group by a first delay time, and configured to output second data voltages to the fourth data line group later than to the third data line group by a second delay time that is different from the first delay time.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guhui Jo, Sun-Koo Kang, Wontae Kim
  • Patent number: 10636380
    Abstract: Provided are a pixel driving circuit, a pixel driving method and a liquid crystal display device. Each pixel unit of the pixel driving circuit comprises a first sub pixel and a second sub pixel. A first sub pixel and a second sub pixel in a column of pixel units are respectively connected to one data line and one auxiliary line, and meanwhile, control units receiving the first and second control signals are arranged. Each control unit is coupled to an auxiliary line and a data line connected to a column of pixel units. The control unit is controlled by the first control signal and the second control signal to disconnect the data line from the auxiliary line and to connect the auxiliary line to the common electrode line, or to connect the data line to the auxiliary line and to disconnect the auxiliary line from the common electrode line.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 28, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiangyang Xu
  • Patent number: 10629125
    Abstract: A display device includes a substrate including an active area having a plurality of pixels and a bezel area around the active area; a data driver on one side of the bezel area; a gate driver on at least one side of the bezel area; a shield power supply line extending from the data driver to at least one side of the gate driver; and a shield layer overlapped with at least one thin film transistor of the gate driver and connected to the shield power supply line in the bezel area.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Minsu Kim, Minseo Kim, Youngbin Woo
  • Patent number: 10627864
    Abstract: An electronic device includes a display panel and a touch panel. The display panel includes a display area. The display area includes a display surface and a back surface opposite to the display surface. The display panel defines a slot extending through the display surface and the back surface. The display surface includes a display area. The slot is located in the display area. The display area includes a plurality of image pixels. The touch panel is coupled to the display panel.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: April 21, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiaoming Bao, Maozhao Huang
  • Patent number: 10627949
    Abstract: The present disclosure discloses a display substrate and a driving method thereof, a display device. The display substrate includes a first substrate and a second substrate which are oppositely arranged, sensing electrodes arranged on the first substrate, and a common electrode arranged on the second substrate, and configured to receive a common voltage signal at a display stage. The common electrode includes a first electrode region. At a pressure sensing stage, the first electrode region includes pressure driving electrodes configured to receive pressure driving voltage signals. Each pressure driving electrode and the corresponding sensing electrode form a pressure sensing capacitor.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Weijie Zhao, Yingming Liu, Changfeng Li, Lei Wang, Rui Xu
  • Patent number: 10629129
    Abstract: Disclosed are a gate driving apparatus for a pixel array and a driving method therefor. The pixel array includes N gate lines. The gate driving apparatus includes: a plurality of gate drivers, wherein the N gate lines are divided into a plurality of groups, each group includes a plurality of gate lines, each gate driver corresponds to the plurality of groups on a one-to-one basis, and is used for generating a gate driving signal for the plurality of gate lines in the group corresponding thereto; and a driver control module which is used for generating a plurality of driver control signals corresponding to the plurality of gate drivers on a one-to-one basis, and state switching between any two driver control signals has at least a difference of first time, wherein under control of the driver control signals, the gate drivers are switched from first state to second state in sequence.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lijun Xiao, Yihjen Hsu, Shuai Hou, Xu Lu, Fei Shang
  • Patent number: 10629164
    Abstract: An array substrate includes a base substrate, a thin film transistor and at least one photosensitive structure formed on the base substrate, the at least one photosensitive structure electrically connected to a drain electrode of the thin film transistor and configured to sense light intensity outside, and a common electrode formed on the base substrate on which the thin film transistor and the at least one photosensitive structure are formed. A method for manufacturing the array substrate, a control assembly and a display device are further disclosed.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: April 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhiying Bao, Wenbo Jiang, Shijun Wang, Zhenhua Lv
  • Patent number: 10620738
    Abstract: A touch display panel, a driving method and a touch display device, where the touch display panel includes a control unit; a plurality of separated common electrode blocks which are disposed as a matrix, and operable as touch electrodes, where the common electrode blocks are divided into at least two common electrode groups; a plurality of first lines, each of which is electrically connected with a common electrode block; a plurality of second lines, which are electrically connected with the control unit, and configured to be respectively connected electrically with the plurality of first lines to input touch driving signals to the first lines in a touch phase; and at least two third lines, which are electrically connected with the control unit, and configured to be electrically connected with the first lines corresponding to one of the common electrode groups.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: April 14, 2020
    Assignees: Xiamen Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventor: Sijian Luo
  • Patent number: 10621919
    Abstract: A display driver includes a gamma correction data transmission unit that transmits a plurality of gamma correction data pieces one by one in each predetermined period. A brightness level indicated by a video signal is converted into a gradation voltage with a gamma characteristic based on the gamma correction data piece transmitted from the gamma correction data transmission unit.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: April 14, 2020
    Assignee: LAPIS SEMICONDUCTOR CO., LTD.
    Inventors: Koji Yamazaki, Atsushi Hirama
  • Patent number: 10613372
    Abstract: A display device and a display method are provided. The display device includes: a light source; a light guide plate; and a liquid crystal display panel including a first substrate and a second substrate aligned with and assembled to the first substrate and a liquid crystal layer between the first substrate and the second substrate. A light transmitting pattern is provided in the light guide plate, and an incident light from the light source is configured to transmit through the light transmitting pattern of the light guide plate to form monochromatic lights of at least three colors. The light source is time-divisionally lit, so that the monochromatic lights of at least three colors are time-divisionally irradiated onto a same sub-pixel electrode on the first substrate in each frame time to form reflected lights, and then the reflected lights are modulated by the liquid crystal layer to be displayed.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Lei Wang, Dongni Liu, Han Yue, Jie Fu, Li Xiao, Jian Gao, Changfeng Li
  • Patent number: 10614733
    Abstract: A display panel includes M drive groups disposed side by side in a display area, and M pad groups disposed in a wiring area around the display area. Each pad group includes N data detection terminals. Each drive group includes a plurality of columns of pixel units, and each pixel unit includes N sub-pixels. N?3, M?2, and M and N are positive integers. Each data detection terminal is configured to receive a signal output from a detection device. The pad groups are in one-to-one correspondence with the drive groups. Sub-pixels having same color in a drive group of the drive groups are electrically connected to a data detection terminal of one of the pad groups corresponding to the drive group via a same one of data lines.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: April 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhenfei Cai, Yongqian Li, Can Yuan, Xuehuan Feng
  • Patent number: 10616562
    Abstract: A light field display for displaying a series of image frames to one or more viewers, the light field display includes: a plurality of light field pixels, each light field pixel including a plurality of light emitting elements, each light emitting element being configured to emit substantially collimated light, in which each light field pixel selectively emits light from each light emitting element into one or more of a plurality of different viewing directions during a single image frame during operation of the light field display; and an electronic controller in communication with the plurality of pixels, the electronic controller being programmed to cause each light field pixel to direct light into one or more of the plurality of different viewing directions such that a perspective of a displayed image varies according to the viewing direction.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 7, 2020
    Assignee: X Development LLC
    Inventors: Martin Friedrich Schubert, Michael Jason Grundmann, Raj B. Apte, Benoit Schillings
  • Patent number: 10613387
    Abstract: A method for preventing dark banding in a liquid-crystal-on-silicon (LCoS) device, comprising illuminating, during a first timeframe, a transparent conductive layer of the LCoS device with a first illumination, the LCoS device including liquid-crystal layer between the transparent conductive layer and a reflective pixel-array. The method also includes illuminating, during a second timeframe, the transparent conductive layer with a second illumination, the second timeframe following both the first timeframe and a gap time-interval temporally between the first and second timeframes. The method also includes applying, to the transparent conductive layer, a layer-voltage equal to (i) during the first and second timeframes, an intra-frame voltage having an intra-frame root-mean-square amplitude and, (ii) during the gap time-interval, a gap voltage signal having a gap root-mean-square amplitude less than the intra-frame root-mean-square amplitude.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 7, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventor: Sinsuk Lee
  • Patent number: 10605977
    Abstract: A display device configured for use as a backlight for a display panel that effects presentation via liquid crystals that produce a monochrome image. The display device includes a light guide plate; and a first and a second light source arranged at an edge of the light guide plate. The light guide plate includes: an emission surface; a cluster of first reflective structures configured to reflect light incident thereon from the first light source thereby changing the optical path of the light and causing the light to exit from the emission surface to serve as the backlight; and a cluster of second reflective structures configured to reflect light incident thereon from a second light source thereby changing the optical path of the light and causing the light to exit from the emission surface to effect a predetermined display.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: March 31, 2020
    Assignee: Omron Corporation
    Inventors: Masayuki Shinohara, Gouo Kurata, Yasuhiro Tanoue, Norikazu Kitamura, Yuto Mori
  • Patent number: 10598998
    Abstract: An optical switching device comprising a polarisation layer and a switching layer which comprises a liquid-crystalline material and a dye compound. Use of the optical switching device for the regulation of the passage of light through an area element. A window element which has the optical switching device therein.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: March 24, 2020
    Assignee: Merck Patent GmbH
    Inventors: Michael Junge, Andreas Beyer, Mila Fischer
  • Patent number: 10599254
    Abstract: In a semiconductor device in which a reference voltage is generated by a reference voltage generation circuit, and the same reference voltage generated is used in a plurality of circuit units for the purpose of generating a voltage, a sampling and holding circuit of the reference voltage is provided in order to provide a standard voltage to the circuit units. A sampling and holding control circuit that controls the sampling and holding circuit instructs the sampling and holding circuit to perform a sampling operation of the reference voltage in case that the semiconductor device operates in a state where power supply noise of the reference voltage generation circuit falls within a predetermined range, and instructs the sampling and holding circuit to perform a holding operation of the reference voltage in case that the semiconductor device operates in a state where the power supply noise exceeds the predetermined range.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: March 24, 2020
    Assignee: Synaptics Japan GK
    Inventor: Kazuya Endo
  • Patent number: 10593278
    Abstract: A display device includes a data driver, a multiplexer, and a multiplexer controller. The data driver outputs a data voltage through output buffers. The multiplexer distributes each of the data voltages output by the output buffers to data lines in a time division manner in response to first to control signals. The multiplexer controller sequentially outputs control signals in a time division manner. Each control signal transitions to a gate ON voltage during a prior horizontal period and maintains the gate ON voltage for an intended horizontal period.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: March 17, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jongbeom Lee, Beumsik Cho, Juyun Lee
  • Patent number: 10592046
    Abstract: A method is provided for capacitive detection, implementing a plurality of electrodes capable of allowing the detection of objects in their proximity by capacitive coupling, and including a step of simultaneous polarization of at least a part of the electrodes with different excitation potentials, the excitation potentials being generated with respect to a reference potential such that the scalar product over a predetermined duration of at least two of these excitation potentials is zero or very much less than the scalar product of one and/or the other of these excitation potentials with itself over the predetermined duration. A device and an appliance implementing the method are also provided.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: March 17, 2020
    Assignee: QuickStep Technologies LLC
    Inventors: Didier Roziere, Eric Legros
  • Patent number: 10595448
    Abstract: The present aspects provide a display apparatus including a chip-on-film (COF), which may include: a plastic substrate configured to have at least one through-hole formed in one area thereof and a conductor inserted into the through-hole; a display part configured to be disposed in another area on an upper surface of the plastic substrate; a first pad part configured to have a plurality of pads, at least one of which is disposed in the one area on the upper surface of the plastic substrate to overlap the through-hole, and configured to be connected to one end of the conductor; and a second pad part configured to be disposed on a back surface of the plastic substrate, and configured to have a plurality of pads, at least one of which is in contact with the other end of the conductor, and further provide a method for manufacturing the same.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: March 17, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventor: SeongRim Lee
  • Patent number: 10593297
    Abstract: The present disclosure provides a timing controller, a display device using the same, and a method of driving the display device. The display device includes a display panel displaying an image, at least two data drivers supplying a data signal to the display panel, at least two slave timing controllers that control the at least two data drivers, respectively, and supply the data signal to the at least two data drivers, respectively, and a master timing controller that controls the at least two slave timing controllers and that itself splits an externally supplied data signal and distributes the same to the at least two slave timing controllers.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 17, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sanghoon Lee, Seungtae Kim
  • Patent number: 10585543
    Abstract: Disclosed is a force sensing display device which sequentially supplies a driving signal to at least two force sensing sensors and senses forces pressing the force sensing sensors by using sensing signals sequentially received from the force sensing sensors. The force sensing display device includes a panel including a plurality of gate lines and a plurality of data lines, a gate driver driving the plurality of gate lines, a data driver driving the plurality of data lines, a controller controlling the gate driver and the data driver, a force sensing panel disposed adjacent to the panel and including at least two force sensing sensors, and a force sensing unit sequentially supplying a driving signal to the at least two force sensing sensors and sensing forces respectively pressing the at least two force sensing sensors by using sensing signals sequentially received from the force sensing panel.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 10, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventor: JunSeok Oh
  • Patent number: 10585302
    Abstract: Disclosed are a curved display device and a manufacturing method therefor. The curved display device includes: an array substrate and an opposite substrate arranged opposite to each other, and a liquid crystal layer located between the array substrate and the opposite substrate, wherein on a side, away from the liquid crystal layer, of the array substrate and/or the opposite substrate, a plurality of piezoelectric sensors parallel to each other and a piezoelectric control chip in electrical signal connection with the piezoelectric sensors are respectively provided.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Fang He
  • Patent number: 10578894
    Abstract: A method of desalinating mura and dot/line defects of a display panel is provided, including the following steps: S1: providing a display panel; S2: making the display panel display an alignment mark image; S3: accurately aligning an screen detector with the display panel; S4: photographing and recording the display panel to obtain a display image of the display panel; S5: extracting the display image and calculating a compensation image; S6: inputting the compensation image into a printer to generate a compensation film; S7: accurately attaching the compensating film on the display panel. Compared with the related art, in the method, by performing observation of lighting-on the display panel, recording the defect position, and printing the compensation film by thin film printing and precisely attaching the compensation film on the display panel, the display status is improved, and the problem of the mura and the dot/line defects is solved.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: March 3, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Qiang Li
  • Patent number: 10580339
    Abstract: An exemplary embodiment of present disclosure provides a display device including a first horizontal line, a first delay line, a second delay line, a delay value determiner, and a timing controller. The first horizontal line receives a gate pulse signal (CPV) generated by a gate driver. The first delay line is connected to the first horizontal line to transmit a gate pulse signal received at a first horizontal position as a first delay signal. The second delay line is connected to the first horizontal line to transmit a gate pulse signal received at a second horizontal position as a second delay signal. The delay value determiner generates a horizontal delay signal based on the first delay signal and the second delay signal. The timing controller determines generation times of line latch signals applied to a plurality of data lines based on the horizontal delay signal.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woon Yong Lim, Ki Hyun Pyun
  • Patent number: 10580509
    Abstract: Array substrate, display panel and display device are provided. The array substrate includes multiple scanning lines, multiple data lines, multiple shift registers and multiple switching units. Each shift register is used for inputting a scanning signal to one terminal of a corresponding scanning line, the other terminal of each scanning line is connected with a first terminal of the switching unit, a second terminal of the switching unit receives a first reference voltage, a control terminal of the switching unit receives a first control signal. The shift register and the switching unit simultaneously pull down a voltage level of the scanning line to a low level. The present invention can realize a narrow frame, increase the user experience and ensure that the time that the voltage level of the scanning line pulled to the low level is the same.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: March 3, 2020
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd
    Inventor: Wenying Li
  • Patent number: 10579324
    Abstract: A handheld wireless display device, having at least SVGA-type resolution, includes a wireless interface, such as Bluetooth™, WiFi™, Wimax™, cellular or satellite, to allow the device to utilize a number of different hosts, such as a cell phone, personal computer, media player. The display may be monocular or binocular. Input mechanisms, such as switches, scroll wheels, touch pads, allow selection and navigation of menus, playing media files, setting volume and screen brightness/contrast, activating host remote controls or performing other commands. The device may include MIM diodes, Hall effect sensors, or other position transducers and/or accelerometers to detect lateral movements along and rotational gestures around the X, Y and Z axes as gesture inputs and movement queues. These commands may change pages, scroll up, down or across an enlarged screen image, such as for web browsing. An embedded software driver (e.g.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 3, 2020
    Assignee: BLUERADIOS, INC.
    Inventors: Mark Kramer, Wilfred I. Tucker, John Sample, Randy Dwayne Jones
  • Patent number: 10573240
    Abstract: A display device includes a switching circuit; a sub-pixel having a driving transistor and an organic light emitting diode (OLED) with an anode connected to the driving transistor; a driving voltage supply line to supply a driving voltage to the OLED through the driving transistor; a base voltage supply line connected to a cathode of the OLED through the switching circuit; a ground line to supply a ground voltage to the switching circuit; a first capacitor between the driving voltage supply line and the ground line; and a second capacitor between the base voltage supply line and the ground line. The switching circuit selectively supplies one of a first level voltage and a second level voltage as the base voltage, and the second level voltage is higher than the first level voltage at the ground voltage.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: February 25, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: EungKyu Kim, YongKyu Park, Seokyu Jang
  • Patent number: 10573229
    Abstract: An electronic device comprises a display and a controller. The controller is configured to provide a first frequency refresh rate to the display. The controller is also configured to generate a control signal configured to control emission of a light emitting diode of a display pixel of the display at a second frequency based on whether the first frequency refresh rate of the display is less than a predetermined threshold value.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: February 25, 2020
    Assignee: Apple Inc.
    Inventors: Chin-Wei Lin, Hung Sheng Lin, Vasudha Gupta, Shinya Ono, Tsung-Ting Tsai, Shyuan Yang
  • Patent number: 10564421
    Abstract: A display apparatus includes a source driver and a gate driver which drive a display section such that pixel signals are selectively supplied to a plurality of pixels provided in the display section. The display section includes a non-image visual recognition area, in which it is not possible for a visual recognizer to visually recognize an image to be displayed, and an image visual recognition area in which it is possible for the visual recognizer to visually recognize the image to be displayed. The source driver and the gate driver lower a driving rate which drives the non-image visual recognition area further than a driving rate which drives the image visual recognition area.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: February 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hongbing Weng, Masaaki Nishio, Tatsuhiko Suyama, Noriyuki Tanaka
  • Patent number: 10559604
    Abstract: An array substrate, a gate driving circuit and a display panel are provided. The array substrate includes a first display area, a second display area and an opening area. The opening area is surrounded by the first display area. Among the sub-pixels in the first display area, the sub-pixels in at least two adjacent columns are connected to a same first data line. Among the two sub-pixels in the same row electrically connected to the same first data line, one sub-pixel is connected to the first gate line, and the other sub-pixel is connected to the second gate line. For the sub-pixels in the second display area, the sub-pixels in different columns are connected to different second data lines, and the sub-pixels in different rows are connected to different gate lines.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: February 11, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiaojing Zhan, Huangyao Wu, Jinyuan Liao, Changzhi Wu
  • Patent number: RE48032
    Abstract: A thin-film semiconductor substrate includes a top-gate first TFT, a top-gate second TFT, and a data line (source line), in which the first TFT has a first semiconductor layer, a first gate insulating film, a first gate electrode, a first source electrode, a first drain electrode, and a first protection layer, the second TFT has a second semiconductor layer, a second gate insulating film, a second gate electrode, a second source electrode, a second drain electrode, and a second protection layer, the data line is connected to the first source electrode, the first drain electrode is an extension of the second gate electrode, and the second gate electrode is thinner than the data line.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 2, 2020
    Assignee: PANASONIC CORPORATION
    Inventors: Arinobu Kanegae, Kiyoyuki Morita