Patents Examined by Kent W. Chang
  • Patent number: 11074853
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one aspect the display includes a display panel having first through fourth pixels and a scan driving unit that outputs a scan signal to the display panel. The display also includes a data driving unit that alternately outputs a first data signal for the first pixels and a second data signal for the second pixels to the display panel, alternately outputs a third data signal for the third pixels and a fourth data signal for the fourth pixels to the display panel, and begins outputting the first and third data signals before one horizontal period begins The display further includes a demultiplexing unit that alternately applies the first and second data signals to the first and second pixels and the third and fourth data signals to the third and fourth pixels.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: July 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae-Du Roh
  • Patent number: 11075255
    Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a display region, and the display region includes a first group of pixels, a second group of pixels, a third group of pixels, a fourth group of pixels, a first scan line, a second scan line, a first signal line, and a second signal line. The first group of pixels include a first pixel and are arranged in a row direction. The second group of pixels include a second pixel and are arranged in the row direction. The third group of pixels include a first pixel and are arranged in a column direction that intersects the row direction. The fourth group of pixels include a second pixel and are arranged in the column direction. The first signal line is electrically connected to the third group of pixels and the second signal line is electrically connected to the fourth group of pixels.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: July 27, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kouhei Toyotaka, Kei Takahashi, Hideaki Shishido, Shunpei Yamazaki
  • Patent number: 11069313
    Abstract: A driver circuit which includes an output circuit and a control circuit coupled to the output circuit. The driver circuit includes a pull-up transistor with a silicon semiconductor layer. The control circuit includes a first transistor with an oxide semiconductor layer.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: July 20, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Sheng-Feng Huang, Akihiro Iwatsu, Cheng-Min Wu, Kuanfeng Lee
  • Patent number: 11068023
    Abstract: Systems and methods are involved with but are not limited to an apparatus including an accessory coupling system to couple at least one accessory to at least one computing device case portion wherein the accessory coupling system includes at least one connection portion being affixed with the computing device case portion; and an engagement component, which includes at least one engagement projection being couplable with the at least one connection portion affixed with the computing device case portion. In addition, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 20, 2021
    Assignee: PIONEER SQUARE BRANDS, INC.
    Inventors: Megan Elizabeth Zumel Manzano, Michael Cooper Ferren, Brian Lewis Piper
  • Patent number: 11062667
    Abstract: A display device that achieves both high-accuracy sensing by a touch sensor unit and smooth input using the touch sensor unit is provided. The display device includes a display unit and the touch sensor unit. The touch sensor unit performs touch sensing operation at a different timing from display image rewriting by the display unit, whereby the high-accuracy sensing can be achieved. The display unit has a function of rewriting a display image only in a region that needs to be rewritten. In the case where the entire display region is not necessarily rewritten, the time for the sensing operation by the touch sensor unit can be lengthened, whereby the smooth input can be achieved.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: July 13, 2021
    Inventors: Susumu Kawashima, Kouhei Toyotaka, Kei Takahashi
  • Patent number: 11056041
    Abstract: Display panel redundancy schemes and methods of operation are described. In an embodiment, and display panel includes an array of drivers (e.g. microdrivers), each of which including multiple portions to independently receive control and pixel bits. In an embodiment, each driver portion is to control a group of redundant emission elements.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: July 6, 2021
    Inventors: Kapil V. Sakariya, Tore Nauta, Hopil Bae, Henry C. Jen, James E. Pedder, Sunggu Kang, Shingo Hatanaka, Xiang Lu, Mahdi Farrokh Baroughi, Hasan Akyol, Saif Choudhary, Ion Bita
  • Patent number: 11056071
    Abstract: A display device according to an embodiment includes a driving unit generating an nth primary gate voltage, an nth secondary gate voltage and a data voltage during a plurality of driving frames; and a display panel storing a threshold voltage using the nth primary gate voltage, the nth secondary gate voltage and the data voltage during the plurality of driving frames and displaying an image using a sum of the data voltage and the threshold voltage during a plurality of staying frames after the plurality of driving frames, wherein a sampling period for storing the threshold voltage of one of the plurality of driving frames is shorter than at least one sampling period of others of the plurality of driving frames.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: July 6, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Bin Ryu, Jun-Ho Lee
  • Patent number: 11056051
    Abstract: Provided are a touch sensor assembly that is maintained in a state in which the touch sensor is closely attached to an exterior member to accurately detect displacement when touch manipulation is performed to improve a recognition rate, a refrigerator door including a touch sensor assembly that is capable of preventing a sensor control part from being damaged by static electricity and having an improved front outer appearance, and a method for manufacturing the refrigerator door.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: July 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Hyunki Kim, Seungje Park, Jinseung Park, Kihyun Park
  • Patent number: 11049913
    Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Won Choi, Won Mi Hwang, Jun Young Min, Kwang Chul Jung
  • Patent number: 11036381
    Abstract: A flexible device according to various embodiments of the present invention may comprise: a touch panel for detecting contact with respect to at least a part of the flexible device; and a processor for judging bending information of the flexible device, judging the properties of each of one or more contact areas detected by the touch panel, and controlling a function of the flexible device on the basis of the judged bending information and a change in the judged properties of the one or more contact areas. In addition to the various embodiments of the present invention, other embodiments may also be possible.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: June 15, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Young Jeon, Sun-Young Yi, Chae-Kyung Lee, Won Lee
  • Patent number: 11030960
    Abstract: A method and apparatus for content adaptive backlight control (CABC) is disclosed. A display device comprises a display surface including a plurality of pixel elements and a backlight configured to illuminate the display surface. A display driver of the display device is configured to receive a frame of display data, including pixel data for displaying an image on the display surface and backlight configuration data for adjusting the backlight when displaying the image. The display driver is further configured to update the plurality of pixel elements using the pixel data, and update an intensity of the backlight using the backlight configuration data. More specifically, the updates to the backlight and the display surface are performed concurrently for the received frame of display data.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 8, 2021
    Assignee: SYNAPTICS INCORPORATED
    Inventor: Stephen L. Morein
  • Patent number: 11024692
    Abstract: Provided is a novel display panel that is highly convenient or reliable or a display panel with a high pixel aperture ratio. The display panel includes the first display element, the first conductive film electrically connected to the first display element, the second conductive film having a region overlapping with the first conductive film, the second insulating film having a region sandwiched between the second conductive film and the first conductive film, a pixel circuit electrically connected to the second conductive film, and the second display element electrically connected to the pixel circuit. The second insulating film includes an opening, and the second conductive film is electrically connected to the first conductive film in the opening.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: June 1, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Koji Kusunoki
  • Patent number: 11024228
    Abstract: A pixel circuit and a driving method thereof, and a display device are disclosed. The pixel circuit includes: an initialization sub-circuit, configured to initialize a drive sub-circuit; a data write and compensation sub-circuit, configured to perform threshold voltage compensation on the drive sub-circuit; the drive sub-circuit, configured to output a signal of a second voltage terminal to a light-emitting sub-circuit; the light-emitting sub-circuit, configured to under control of the enable signal terminal input a signal of a first voltage terminal to the drive sub-circuit to control the drive sub-circuit to be turned on, and emit light under control of the enable signal terminal and a third voltage terminal; a leakage-current eliminating sub-circuit, configured to under the control of the enable signal terminal cause the initialization sub-circuit to output no signal to an initial voltage terminal when the initialization sub-circuit is in a turn-off state.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 1, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xin Wang, Ying Liu
  • Patent number: 11023002
    Abstract: Systems and methods are involved with but are not limited to an apparatus including a stylus coupling assembly, which includes a stylus retention component being couplable with a stylus-shaped computer input device and also includes an engagement component being couplable with the stylus retention component and also being couplable with a computing device case portion. In addition, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: June 1, 2021
    Assignee: PIONEER SQUARE BRANDS, INC.
    Inventors: Megan Elizabeth Zumel Manzano, Michael Cooper Ferren, Brian Lewis Piper
  • Patent number: 11016615
    Abstract: A touch sensor panel may be provided that includes: a plurality of drive electrodes which extend in a first layer in a first axial direction and sense touch; a plurality of dummy drive electrodes which extend in the first layer in the first axial direction and do not sense the touch; a plurality of receiving electrodes which extend in a second layer in a second axial direction crossing the first axial direction and sense the touch; and a plurality of dummy receiving electrodes which extend in the second layer in the second axial direction and do not sense the touch. A part of a capacitance path between the drive electrode and the receiving electrode is blocked.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 25, 2021
    Inventors: Seyeob Kim, Jongsik Kim
  • Patent number: 11009943
    Abstract: The disclosed embodiments provide a system for performing on/off detection in a wearable electronic device. Upon detecting a set of measurements indicating unfolding of one or more arms in the wearable electronic device, the system initiates a power-on sequence comprising a powering of electronic components in the wearable electronic device from a battery in the wearable electronic device. Upon detecting a first set of subsequent measurements indicating placement of the wearable electronic device on a head of a user, the system generates output indicating a powered state in the wearable electronic device.
    Type: Grant
    Filed: December 2, 2018
    Date of Patent: May 18, 2021
    Assignee: Vigo Technologies, Inc.
    Inventors: Jason Gui, Aaron R. Rowley, Tiantian Zhang
  • Patent number: 11010583
    Abstract: The present disclosure provides a display panel, a display apparatus and a method for manufacturing the display panel. The display panel includes a driving circuit, a light-emitting device, and a fingerprint recognition unit. The light-emitting device includes a first electrode, a second electrode, and an organic function layer disposed between the first and second electrodes, and the first electrode is a reflective electrode. The driving circuit includes a light-emitting control transistor and a first initialization transistor that are connected to the first electrode via the first through-hole. The driving circuit includes at least a first driving circuit, and a minimum distance between the first through-hole of the first driving circuit and a first gate signal line connected to the first initialization transistor is smaller than a minimum distance between the first through-hole and a second gate signal line connected to the light-emitting control transistor.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 18, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Yueting Fang
  • Patent number: 11004379
    Abstract: A display apparatus may be provided that includes a plurality of pixels; a plurality of pixel memories which drive a corresponding pixel in accordance with a column signal when a scanning line selection signal and an enable signal are both selected; and a controller which generates the scanning line selection signal, the enable signal, and the column signal such that each of the pixels is driven in a turn-on time occupation ratio corresponding to a data value for each of the pixels, and then applies the signals to a corresponding pixel memory. According to the embodiment, in a display apparatus which requires high resolution, high frame rate per pixel, and high gray scale representation capability, the change of the signal which is applied to the pixel for each time slot is relatively reduced, so that consumption of power for driving the pixel can be reduced.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 11, 2021
    Inventor: Je-Kwang Cho
  • Patent number: 11004414
    Abstract: A display device and a method for driving the same are provided. The display device includes an array substrate and a data driving circuit, the array substrate includes a plurality of data lines divided into multiple groups, each group includes at least two data lines, first ends of the data lines in each group are connected together by the data driving circuit during a first charge sharing phase of each scanning period, the array substrate further includes a plurality of switches; the display device further includes a control circuit configured to output a control signal during a second charge sharing phase of each scanning period, each switch is turned on according to the control signal to connect second ends of corresponding data lines in corresponding group; in each scanning period, the first charge sharing phase and the second charge sharing phase are at least partially overlapped with each other.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 11, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bingbing Yan, Liugang Zhou, Wenwu Lu, Xueqin Wei, Lixin Zhu, Shenghua Hu
  • Patent number: 10991331
    Abstract: The present disclosure provides a driving circuit and driving method for a display panel and a display device, an output scanning signal is controlled through a scanning signal control circuit, such that a first-array-substrate-row driving circuit on a first lateral side of the display panel outputs a scanning signal according to a first enabling control signal, and a second-array-substrate-row driving circuit on a second lateral side of the display panel outputs a scanning signal according to a second enabling control signal, and driving of one side or two sides of the display panel is implemented.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: April 27, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Feilin Ji