Patents Examined by Kwang-Su Yang
  • Patent number: 10127871
    Abstract: According to an aspect, a liquid crystal display device includes a plurality of pixels arranged in a matrix in a display area; a scanning line that is coupled with pixels arranged in a row direction in the display area and is supplied with a scan signal; a signal line that is coupled with pixels arranged in a column direction in the display area and is supplied with a pixel signal; a common electrode that is commonly coupled with the pixels and is supplied with a common voltage; and a detection circuit that detects a transient potential variation component that is synchronized with the pixel signal and is superimposed on the common voltage.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: November 13, 2018
    Assignee: Japan Display Inc.
    Inventors: Yosuke Toyoshima, Kensuke Shioda
  • Patent number: 10121423
    Abstract: A display panel driving apparatus includes an over-driving part, where the over-driving part is configured to receive first image data, and to output second image data using first over-driving data and second over-driving data, the first over-driving data is generated according to previous frame data and present frame data for a minimum blank period between the previous frame data and the present frame data of the first image data, the second over-driving data is generated according to the previous frame data and the present frame data for a maximum blank period between the previous frame data and the present frame data of the first image data, and a high display quality of a display apparatus may be achieved.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Hyun Yeo, Po-Yun Park, Dong-Won Park, Jung-Hwan Cho
  • Patent number: 10114509
    Abstract: A multi-touch device detecting a touch input by using a passive element comprises a plurality of driving electrodes; a plurality of detection electrodes; a plurality of impedances positioned at an intersecting point of the plurality of driving electrodes and the plurality of detection electrodes; and a control unit selecting a first driving electrode and a first detection electrode from the plurality of driving electrodes and the plurality of detection electrodes, outputting a first voltage on the first driving electrode, outputting a second voltage on at least one of the remaining driving electrodes and at least one of the remaining detection electrodes, and detecting a touch input on a first intersecting point of the first driving electrode and the first detection electrode on the basis of a detection voltage detected from the first detection electrode.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: October 30, 2018
    Inventor: Wook Chang
  • Patent number: 10096274
    Abstract: Provided is a data driver, a driving method of the data driver, and a display device. The data driver includes a latch unit configured to store n-bit image data, wherein n?2; a conversion unit configured to convert N-bit digital data including the n-bit image data and variable m-bit pseudo control data into an analog voltage and then output the analog voltage, wherein m?1; and an output unit configured to output a data voltage based on the analog voltage. The data driver is capable of supplying a high image quality based on N-bit digital data with a small circuit size that is based on n-bit image data.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: October 9, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: TaeYoung Jung, JoungTae Kim, ChangKun Kim
  • Patent number: 10095357
    Abstract: A position detection device includes a detection section adapted to detect an operation to a screen, a detection control section adapted to identify the pointing element with which the operation is performed, and associate the operation with the pointing element, and a processing section adapted to process the operation associated with the pointing element out of the operations. In the case in which a first operation and a second operation, which is performed within a predetermined period of time before the first operation, with a single pointing element are detected, and a coordinate of the first operation and a coordinate of the second operation are located within a predetermined range, the detection control section treats the coordinate of the first operation as the same coordinate as the coordinate of the second operation. Further, the detection control section changes the predetermined range in accordance with the detection position in the screen.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shun Imai
  • Patent number: 10095361
    Abstract: A method for detecting a signal transmitted by a handheld device includes detecting a signal on first electrodes along a first axis and on second electrodes along a second axis of the digitizer sensor. The method additionally includes detecting hand input on the first electrodes and on third electrodes along the second axis and detecting no hand input on the second electrodes. The hand input detection is based on self-capacitive detection. The signal transmitted by the handheld device on the first electrodes is estimated based on the hand input detected on each of the first and third electrodes, the signal from the handheld device detected on the second electrodes and based on a pre-defined constant. Coordinates of the handheld device are determined based on the signal detected on the second electrodes and the signal estimated. The coordinates are reported to a host computing device associated with the digitizer sensor.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 9, 2018
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Vadim Mishalov
  • Patent number: 10078378
    Abstract: A position detection device includes a detection section adapted to detect an operation to a screen, a detection control section adapted to discriminate the pointing element with which the operation is performed, and then associate the operation with the pointing element, and a processing section adapted to process the operation associated with the pointing element out of the operations. In the case in which a first operation and a second operation, which is performed within a predetermined period of time before the first operation, with a single pointing element are detected, and a coordinate of the first operation and a coordinate of the second operation are located within a predetermined range, the detection control section determines the coordinate of the first operation as the same coordinate as the coordinate of the second operation. Further, the detection control section changes the predetermined range in accordance with the pointing element.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 18, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shun Imai
  • Patent number: 10074300
    Abstract: A display panel includes a plurality of pixels arranged in a matrix, each of the pixels including a high sub-pixel and a low sub-pixel. A method of driving the display panel may include detecting a first pixel which corresponds to a first pattern in an image, and changing a gray scale value of the high or low sub-pixel of a second pixel which is adjacent to the first pixel.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeun-Mo Yeon, Seung-Hyun Ko, Choong-Yull Kwak, Dal-Jung Kwon, Jin-Tae Kim, Se-Young Oh
  • Patent number: 10061452
    Abstract: A touch display device including sensing electrodes arranged on a single layer of a touch panel and a touch detection circuit configured to determine whether an object touched the touch panel by a voltage detected by the sensing electrodes. The sensing electrodes include a first group including two first sensing electrodes spaced apart by having a second sensing electrode interposed between the two first sensing electrodes. The first group is connected to the touch detection circuit through one wire. The sensing electrodes also include a second group including one second sensing electrode. The second group is connected to the touch detection circuit through one wire.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: August 28, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chul Kim
  • Patent number: 10056021
    Abstract: Disclosed herein are an apparatus and a method for controlling a screen display in an electronic device. A signal from a light-receiving pixel on a display unit is detected. The display unit comprises light emitting pixels and light receiving pixels arranged in a pattern. The light emitting pixels are adjusted based at least partially on a brightness of light indicated by the signal from the light receiving pixels.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moonsoo Kim, Kwangtai Kim, Dasom Lee
  • Patent number: 10055068
    Abstract: A touch display panel is disclosed. The touch display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and a plurality of touch electrodes disposed on a side of the first substrate facing the second substrate. The plurality of touch electrodes are disposed in an array. The touch display panel also includes a conductive layer disposed on the second substrate, where the conductive layer includes a plurality of openings, and where portions of the touch electrodes are exposed through the openings. In addition, a projection of the conductive layer on the second substrate overlaps the touch electrodes, and the conductive layer is grounded or connected to a constant potential during a touch period.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: August 21, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Qijun Yao
  • Patent number: 10048786
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
  • Patent number: 10048860
    Abstract: A method (FIG. 1) and apparatus (205) for user interface adaptation determines (110) a handedness of a user who is operating the handheld device, and changes (115) physical aspects of at least one touch target of a user touch interface of the handheld device to adapt to the handedness of the user when the handedness of the user is different than a current handedness of user touch interface of the handheld device.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: August 14, 2018
    Assignee: Google Technology Holdings LLC
    Inventors: Hoi L. Young, Michael Bohan, Steven M. Herbst, Conor P. O'Sullivan, Chad A. Phipps, Elisa S. Vargas
  • Patent number: 10032410
    Abstract: Disclosed is a display apparatus. The display apparatus performs external compensation by using sensing data generated through actual sensing and calculation data which is calculated based on the sensing data with a median filter.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: July 24, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Shinji Takasugi, Joong Sun Yoon, Min Kyu Chang, Hyo Jin Park, Jeong Pyo Lee, Chang Woo Seok
  • Patent number: 10026365
    Abstract: A display device includes an image display panel, a backlight with independently driven light sources for lighting the image display panel, a backlight control section which calculates, on the basis of required luminance for each divided area based on an image signal and luminance distribution information for the backlight, tentative lighting levels of the light sources, selects the light sources in calculation order, calculates estimated luminance of a selected light source on the basis of the calculated tentative lighting levels or the calculated lighting level of an already selected light source and the luminance distribution information, and calculates, if the estimated luminance does not satisfy the required luminance, a lighting level of the selected light source that satisfies the required luminance on the basis of the tentative lighting level thereof and the luminance distribution information, and a calculation order change section which changes the calculation order at determined timing.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: July 17, 2018
    Assignee: Japan Display Inc.
    Inventors: Kazuhiko Sako, Tsutomu Harada, Naoyuki Takasaki
  • Patent number: 10008174
    Abstract: A fan-out circuit including a plurality of first fan-out lines is provided. At least one of the first fan-out lines includes a first upper segment, a first upper connection part having one end connected to the first upper segment, a first intermediate segment having one end connected to the other end of the first upper connection part, a first lower connection part having one end connected to the other end of the first intermediate segment, and a first lower segment connected to the other end of the first lower connection part. At least one of the first upper segment, the first intermediate segment and the first lower segment has a zigzag structure.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: June 26, 2018
    Assignee: INNOLUX CORPORATION
    Inventors: Ching-Lung Wu, Jen-Chih Lu, Neng-Hsien Wang
  • Patent number: 10002590
    Abstract: A display device and a method for driving the same are discussed. The display device includes a display panel including a common electrode commonly connected to pixels, a display driving circuit for applying a data voltage to the pixels during a vertical active time, and a sensor driving circuit which applies a gesture sensing driving signal to the common electrode during a vertical blank time and senses a gesture input.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: June 19, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sanghyuck Bae, Juhan Kim, Jinseong Kim, Seongkyu Kang
  • Patent number: 10001806
    Abstract: A dynamic dual displays system is coupled with a computing device to provide at least two display panels for single user or multiple user applications. In one embodiment, two display panels are provided in a back-to-back configuration connected by a hinge to allow rotation motion of the display panels relative to each other. Depending on the relative positions of the display panels and the computing device, the combined system provides a hybrid device that may dynamically serve as a notebook or a tablet computer. The multiple display panels may present the same or different contents simultaneously, depending on application. In a multi-user application, the display panels may be presented to different users, one of which accepts input data through a touch-sensitive surface on the corresponding display panel.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: June 19, 2018
    Inventors: Shang-Che Cheng, Wei-Han Wu, Chia-Ming Lin
  • Patent number: 10001886
    Abstract: A display device and a method for driving the same are discussed. The display device, in which pixels of a display panel are charged to a data voltage during a pixel driving period and touch sensors embedded in the display panel are driven during a touch sensor driving period, includes a timing controller which transmits a preamble signal, control data, and data of an input image to a source driver integrated circuit (IC) during the pixel driving period and transmits the preamble signal to the source driver IC during the touch sensor driving period.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: June 19, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Sungsu Han, Suhyuk Jang, Hoonbae Kim, Semin Kung
  • Patent number: 9997136
    Abstract: A display circuit and a driving method thereof and a display apparatus are provided. The display circuit comprises a pixel unit (11), a first gate driving unit (12) and a second gate driving unit (13); wherein the first gate driving unit (12) is configured to input a first gate driving signal to the pixel unit (11); the second gate driving unit (13) is configured to input a second gate driving signal to the pixel unit (11); and the pixel unit (11) is configured to perform threshold compensating and gray scale displaying simultaneously under the control of the first gate driving signal and the second gate driving signal. The apparatus and method is capable of reducing the complexity in design of the display circuit, which is advantageous for raising density of pixels of the display panel. The apparatus and method are applicable to manufacture a display.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: June 12, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kun Cao, Zhongyuan Wu, Chen Song