Patents Examined by Adam J Snyder
  • Patent number: 10325547
    Abstract: A display device includes a display panel that includes a pixel, a current sensor that measures a driving current provided to the display panel, and a timing controller that calculates a reference driving current and a degradation ratio of the pixel based on first image data provided to the display panel and compensates second image data based on the driving current, the reference driving current, and the degradation ratio of the pixel.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: June 18, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Cheol Kim, In-Hwan Kim, Byung-Geun Jun
  • Patent number: 10324552
    Abstract: Provided is a touch panel having a curved surface. A touch panel 10 is formed of a sheet of a flat sheet 1 by thermoforming. A plurality of island-like electrodes 2,3 is arrayed in each of an X direction and a Y direction on the input region. The island-like electrodes 2, 3, inter-electrode wires 4, and a lead wiring are formed of a ductile wire material. A center portion of the flat sheet 1 is formed into a convex dome shape by thermoforming. The touch panel 10 includes a first input region 11 and a second input region 12. The first input region 11 is provided on the convex dome shape. The second input region 12 is provided on the flat surface (zero curvature). The first input region 11 is provided at around a center on the inside of the second input region 12.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: June 18, 2019
    Assignee: WONDER FUTURE CORPORATION
    Inventors: Akira Sato, Koki Fukuda, Kazuhiro Sugiyama
  • Patent number: 10311766
    Abstract: A test circuit which is configured to test an in-cell touch screen includes a plurality of cascaded scanning circuits. The scanning circuit includes a test signal input terminal, a test signal output terminal connected to the touch electrode correspondingly through a first signal line and configured to input a test signal to the corresponding touch electrode, and a short-circuit feedback terminal connected to the touch electrode which the test signal output terminal of the scanning circuit at a previous stage is connected to.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: June 4, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yao-Li Huang, Xinglong He
  • Patent number: 10310646
    Abstract: This disclosure discloses a touch display panel, a driving method thereof and a touch display device. The touch display panel comprises a first substrate and a second substrate aligned with each other; a first signal transmission line and a second signal transmission line arranged on the first substrate, the second signal transmission line intersecting with the first signal transmission line; gate lines and data lines arranged on the second substrate, the second substrate being further provided with a first signal output end and a second signal output end led out from the gate lines and arranged alternately; and a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: June 4, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huabin Chen, Ruirui Wang, Bin Feng, Jianfeng Yuan
  • Patent number: 10297222
    Abstract: A driver and an electronic device include a capacitor driving circuit and a capacitor circuit having a plurality of capacitors provided between a plurality of capacitor driving nodes and a data voltage output terminal. The capacitor driving circuit has a plurality of driving units that output capacitor driving voltages, and in the case where a capacitance of one of the plurality of capacitors is the highest, after a driving unit that drives that capacitor has outputted a capacitor driving voltage, the next driving unit outputs the next capacitor driving voltage.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Akira Morita
  • Patent number: 10297223
    Abstract: A display device includes a gate scanning circuit and a driver IC. The driver IC includes a voltage detection circuit for detecting a voltage level of an external power supply, a voltage generation circuit for generating the voltage for driving the gate line, a switching circuit for switching between the output voltage of the voltage generation circuit and the voltage of the external power supply, and a drive circuit. Upon detection of the voltage outside of the predetermined voltage range by the voltage detection circuit, the switching circuit supplies the voltage of the external power supply to the gate scanning circuit. The gate scanning circuit selects all gate lines for outputting the voltage of the external power supply. The drive circuit supplies the GND level to all the source lines.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: May 21, 2019
    Assignee: Japan Display Inc.
    Inventors: Norio Mamba, Takeshi Shibata, Shouji Nagao
  • Patent number: 10282039
    Abstract: A display screen, a touch pen and a display module are disclosed. The display screen includes a frame, a touch display panel, a controller and a plurality of sound wave detectors; the plurality of sound wave detectors are disposed at different positions on the frame and at the same side of frame as an operating surface of the touch display panel. Sound wave detector detects sound wave signals sent by sound wave emission sources and sends the detected sound wave signals to the controller; the touch display panel detects electromagnetic signals sent by electromagnetic generators and sends them to the controller; the controller determines actual touch positions of a plurality of touch pens on the touch display panel based on the electromagnetic signals and sound wave signals emitted by sound wave emission sources of the touch pens to achieve accurate positioning.
    Type: Grant
    Filed: June 12, 2016
    Date of Patent: May 7, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yifei Zhan, Dayu Zhang, Xinchen Ma
  • Patent number: 10255850
    Abstract: A pixel includes: a first transistor connected between a data line and a first node; a second transistor connected between a first power source and a second node, the second transistor including a gate electrode connected to the first node; a third transistor connected between the first power source and the second transistor; a capacitor connected between the first node and the second node; an organic light emitting diode (OLED) connected between the second node and a second power source; and a fourth transistor including a second electrode connected to a cathode of the OLED.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Jin Cho, Young In Hwang, Yong Jae Kim, Deok Young Choi
  • Patent number: 10242636
    Abstract: A display device includes a display area including pixels connected to scan lines and data lines, a power supply for supplying a first power voltage to the pixels through first power lines, repair lines in parallel with the scan lines, a dummy pixel unit including dummy pixels respectively connected to the repair lines, and a sensing unit coupled to one of the repair lines that is not connected to the dummy pixels, wherein the sensing unit measures the first power voltage at a target point through the one of the repair lines that is not connected to the dummy pixels.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung Dispaly Co., Ltd.
    Inventors: Kyong Tae Park, Tae Gon Kim, Dong Hoon Jeong, Yu Hyun Cho
  • Patent number: 10235938
    Abstract: A gate driver IC (i.e., gate driver circuit), when set to a first mode by a logic signal of the terminal FNC*, shifts data in the gate driver IC in synchronization with one clock cycle of a clock inputted to the terminal CLK** (clock input terminal), and outputs a selection voltage or a non-selection voltage based on a data position in the gate driver IC; and when set to a second mode by a logic signal of the terminal FNC*, shifts data in the gate driver IC in synchronization with n clock cycles (n is an integer of at least 2) of a clock inputted to the terminal CLK**, and outputs the selection voltage or the non-selection voltage based on the data position in the gate driver IC.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: March 19, 2019
    Assignee: JOLED INC.
    Inventors: Hiroshi Takahara, Hirofumi Nakagawa
  • Patent number: 10234963
    Abstract: Provided are a touch pen and a touch pen system with a compact and low-cost configuration when an erase function is installed therein. The touch pen system includes a capacitive touch panel; a touch pen having a pen tip for specifying an arbitrary position on the touch panel and a pen rear end portion formed with a predetermined conductive pattern; predetermined pattern detection mechanism that detects contact of the predetermined conductive pattern with the touch panel; and an erase implementation mechanism that implements an erase function when the predetermined conductive pattern is detected.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: March 19, 2019
    Assignee: Lenovo (Singapore) PTE. LTD.
    Inventors: Limin Xiao, Qian Wang
  • Patent number: 10232714
    Abstract: An actuating element, actuator device, and a control device are included in an operating device for a motor vehicle. The actuating element detects a user actuation and is movably mounted. The actuator device has an electromagnet and a permanent magnet. The control device applies a first electrical current to the electromagnet, by which the electromagnet applies a first magnetic force to the permanent magnet, which deflects the actuating element out of a rest position. The deflection of the actuating element can be felt as a brief jolt without reverberation. An elastically deformable restoring device presses or pulls the actuating element with a restoring force toward the rest position against a mechanical stop element.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: March 19, 2019
    Assignee: AUDI AG
    Inventor: Michael Wachinger
  • Patent number: 10223990
    Abstract: The present disclosure provides a pixel circuit, a method for driving the pixel circuit and a display panel including the pixel circuit. The pixel circuit comprises a data writing unit, a voltage tracking unit, a voltage storage unit and a liquid crystal capacitor. The data writing unit is constructed to transfer a data voltage on a data line to the voltage storage unit and the voltage tracking unit when the pixel circuit is in a normal display mode. The voltage storage unit is constructed to store the data voltage when the pixel circuit is in the normal display mode and transfer the data voltage or an adjustment voltage to the input terminal of the voltage tracking unit when the pixel circuit is in a static display mode. The voltage tracking unit is constructed to output a data output voltage based on the data voltage or the adjustment voltage, such that the liquid crystal capacitor generates a corresponding liquid crystal deflection field.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: March 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wen Tan, Jia Chen
  • Patent number: 10203788
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the same, and a touch display panel. The array substrate includes a transparent electrode and a plurality of touch electrode lines arranged on a base substrate. The transparent electrode includes a plurality of sub-electrodes, and each of the plurality of sub-electrodes is connected with a respective one of the plurality of touch electrode lines. Each of the touch electrode lines includes a first touch electrode line and a second electrode line arranged in different layers, and projections of the first touch electrode line and the second touch electrode line on the substrate are overlapped with each other.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Wang, Shengji Yang, Xiaochuan Chen, Rui Xu, Pengcheng Lu, Changfeng Li, Zhenhua Lv, Xue Dong, Yingming Liu
  • Patent number: 10203775
    Abstract: A switching assembly for changing relative states of a first object and a second object is provided. The switching assembly includes a fixing member fixed on the first object, a first guiding rod, a second guiding rod, and a moving member movably disposed on the first object. The fixing member has a guiding rib with an extension direction parallel to a first axis, and the first guiding rod is slidably coupled to the guiding rib to move along the first axis. The second object is movably coupled to and driven by the moving member. The second guiding rod is pivoted between the first guiding rod and the moving member in the first axis. The first guiding rod is suited for being forced to move the second guiding rod and the moving member, so as to rotate the second guiding rod relative to the first guiding rod and the moving member.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: February 12, 2019
    Assignee: Wistron Corporation
    Inventors: Tong-Bo Lin, Xiao-Lei Du
  • Patent number: 10204572
    Abstract: A display apparatus including a plurality of pixels and a multi-color light source backlight module, and a driving method thereof are disclosed. Each pixel includes a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, and a white sub-pixel. The backlight module includes a first color light source, a second color light source, and a third color light source. In a first sub-frame period, the first color light source and the second color light source are lightening; in a second sub-frame period, the second color light source and the third color light source are lightening; and in a third sub-frame period, the first color light source and the third color light source are lightening.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: February 12, 2019
    Assignee: AU OPTRONICS CORP.
    Inventors: Seok-Lyul Lee, Yu-Chang Wen
  • Patent number: 10186207
    Abstract: A display device includes pixels at respective crossing regions of scan lines and data lines, a scan driver that is configured to supply a scan signal to the scan lines, and a data driver that is configured to supply a pre-emphasis voltage to the data lines using a first constant for controlling a voltage value of the pre-emphasis voltage, and using a second constant for controlling a supply time of the pre-emphasis voltage, and supply data signals to the data lines after the supply of the pre-emphasis voltage, wherein at least one of the first or second constants is stored in each channel corresponding to each of the data lines.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: January 22, 2019
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Oh Jo Kwon, Ji Woong Kim, Choong Sun Shin, Joo Hyung Lee, Jun Suk Bang, Gyu Hyeong Cho
  • Patent number: 10180741
    Abstract: An electronic apparatus, including an emissive display configured to provide a first image having a first image quality; a transparent display disposed on the emissive display and configured to provide a second image having a second image quality; and a controller configured to control the emissive display to provide the first image in according to first mode and control the transparent display to provide the second image according to a second mode.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: January 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-ho Kim, Joo-ho Kim, Jin Ra, Jong-hyun Ryu, Moon-il Jung, Hyun-min Song, Hong-suk Kim, Dong-hyun Sohn
  • Patent number: 10156942
    Abstract: An in-cell touch screen and a display device, a touch electrode pattern is disposed on a side of the opposite substrate (100) facing the array substrate (200); a data line (210) and a gate line (220) are disposed on a side of the array substrate (200) facing the opposite substrate (100), the data line (210) and the gate line (220) intercross and are mutually insulated from each other; and a common electrode layer (230) is disposed on a layer where the gate line and the data line are located; and an orthographic projection of the common electrode layer (230) on the array substrate (200) covers orthographic projections of the gate line (220) and the data line (210). The in-cell touch screen can avoid various display problems and touch problems caused by insufficient time periods in a time division driving manner.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: December 18, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiayang Zhao, Yinglong Huang
  • Patent number: 10152163
    Abstract: A system and method for reducing the number of electrodes needed to operate a touch sensor by arrangement of drive and sense electrodes on a single layer touch sensor, the electrodes being arranged such that drive signals that are sent to the electrodes are sent in a non-uniform pattern that enables selected regions of the touch sensor to generate a useful drive signal while the remaining regions do not. The arrangement of the drive and sense electrodes is such that the routing of signals to and from the electrodes may not interfere with operation of the touch sensor.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: December 11, 2018
    Assignee: CIRQUE CORPORATION
    Inventors: Jared G. Bytheway, Steven M. Austin