Patents Examined by Michael Faragalla
  • Patent number: 11232731
    Abstract: According to an aspect of the present disclosure, a foldable display device includes a display panel including a plurality of display areas divided by a folding line; and a data integrated circuit outputting a data voltage to the plurality of display areas, wherein the data integrated circuit includes a timing controller outputting a gamma enable signal; a data processor processing an image data; a gamma voltage generator determining whether or not to output a plurality of gamma voltages according to the gamma enable signal; and a digital analog converter (DAC) outputting the gamma voltage, as the data voltage corresponding to a gray value of the image data.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: January 25, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: JooHee Lee, Jin Jeon, DaeSeok Oh, Jinwoo Jung
  • Patent number: 11217183
    Abstract: A pixel circuit, includes: a driving signal generating sub-circuit configured to generate and output an initial driving signal; a voltage boost sub-circuit electrically connected to the driving signal generating sub-circuit, and configured to receive the initial driving signal, amplify the initial driving signal to generate a target driving signal, and output the target driving signal; and a light-emitting sub-circuit electrically connected to the voltage boost sub-circuit, and configured to receive the target driving signal and be driven by the target driving signal to emit light.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rongrong Shi, Shengji Yang, Wei Liu
  • Patent number: 11211016
    Abstract: A source driver is configured to drive an organic light-emitting diode (OLED) display panel. The source driver includes a sensing circuit and an operational amplifier. The sensing circuit is configured to sense pixel information of an OLED pixel circuit through a sensing line of the OLED display panel. The operational amplifier includes an amplifier circuit and at least one switch circuit. The amplifier circuit includes at least one gain circuit. An input terminal of the amplifier circuit is coupled to an output terminal of the sensing circuit. Each of the at least one switch circuit is coupled between a pair of output terminals of a corresponding one of the at least one gain circuit.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: December 28, 2021
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chih-Hsien Chou, Jhih-Siou Cheng, Jin-Yi Lin
  • Patent number: 11200853
    Abstract: A data driver includes a gamma voltage generator configured to generate gamma voltages based on a number of data bits of a pixel data; a first digital-to-analog block configured to generate a plurality of time-division gamma voltage signals respectively corresponding to a plurality of gamma voltage groups; a plurality of time-division gamma voltage line groups for transferring the plurality of time-division gamma voltage signals; a second digital-to-analog block configured to select a time-division gamma voltage signal among the time-division gamma voltage signals according to upper bits of the pixel data in each channel; a time-division gamma voltage select block configured to select a gamma voltage according to lower bits of the pixel data in each channel; and an output buffer block configured to output the selected gamma voltage in each channel.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: December 14, 2021
    Inventors: Young-Soo Hwang, Joon-Chul Goh, Oh Jo Kwon, Ki-Duk Kim, Jeongmin Kim, Bong Hyun You, Hyung-Min Lee, Seung Hun Choi
  • Patent number: 11194390
    Abstract: Electronic devices, according to various embodiments of the present invention, comprise: a display for displaying content; and a processor, wherein the processor may confirm additional information relating to the field of view (FoV) for content or setting information relating to the FoV, identify a first FoV for the content on the basis of the additional information or the setting information, and display the content using the display on the basis of the first FoV that has been identified.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: December 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Hoon Kim, Won-Hee Choe, Min-Woo Lee, Jae-Sung Lee
  • Patent number: 11195453
    Abstract: According to one embodiment, a display device includes a display region where pixels are arranged. Each of the pixels includes a pixel electrode, a light emitting element, a drive transistor, a first capacitance electrode layer opposed to the pixel electrode and held at a constant potential, and an insulating layer forming an auxiliary capacitance together with the pixel electrode and the first capacitance electrode layer. A value of the auxiliary capacitance of the first pixel, of the values of the auxiliary capacitance of the pixels is the largest.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: December 7, 2021
    Assignee: Japan Display Inc.
    Inventors: Tetsuo Morita, Yasuhiro Ogawa
  • Patent number: 11194388
    Abstract: A visibility improvement method using gaze tracking includes detecting a gaze of a user using a camera; determining a focus object at which the user gazes from among at least one object viewed through a display unit of an electronic device; and displaying, on the display unit, an image with high visibility that corresponds to the focus object and has higher visibility than the focus object.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung-Sik Kim, Chang-Yeong Kim, Ick-Sang Han, Joon-Oo Kim, Jinho Kim, Yun-Je Oh, Sun-Tae Jung
  • Patent number: 11183092
    Abstract: Disclosed are a capacitance-type touch panel device and an operation method for the same. In order that the effect of disturbance noise comprised in a receiving signal is minimized, a calculation for a digital code which has been converted into a digital signal type is performed. Information about the noise level of the digital code is compared to a reference value, and, when the frequency of the noise is determined to be similar to the frequency of the receiving signal, the frequency of an operation signal, which is supplied from a signal generation unit, is changed.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: November 23, 2021
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventor: Oh-Kyong Kwon
  • Patent number: 11164523
    Abstract: The present disclosure provides a compensation method and compensation apparatus for a pixel circuit, and a display apparatus. The compensation method for the pixel circuit includes: acquiring a threshold voltage of a driving transistor of the pixel circuit; comparing a source voltage of the driving transistor with the threshold voltage; and adjusting the source voltage of the driving transistor according to a comparison result.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: November 2, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ming Wang
  • Patent number: 11152435
    Abstract: A display device includes a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: October 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hun Ryu, Eun Jin Sung, Yun Ho Kim, Il Nam Kim, Won Sang Park
  • Patent number: 11126312
    Abstract: The present disclosure relates to a touch substrate, a display panel, and a display device. The touch substrate includes a substrate and an electrode layer disposed on the substrate. The electrode layer includes at least two electrodes. Each electrode includes at least one sub-electrode. The sub-electrode includes an electrode unit array having at least two columns of electrode units, wherein any two columns in the electrode unit array do not intersect, each column in the electrode unit array includes at least two electrode units connected in series, and the any two adjacent columns in the electrode unit array are connected in parallel by a connection component.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: September 21, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINGSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qingpu Wang, Lei Zhang, Tsung Chieh Kuo, Wei Zhang, Bisheng Li, Baoran Li, Qin Zeng
  • Patent number: 11126263
    Abstract: One embodiment of the present disclosure sets forth a technique for generating an interface on a resonance surface. The technique includes determining a resonance pattern corresponding to a set of interface elements. The technique further includes configuring one or more haptic output devices to generate haptic output that creates the resonance pattern on the resonance surface.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 21, 2021
    Assignee: Harman International Industries, Incorporated
    Inventors: Adam Boulanger, Joseph Verbeke, Davide Di Censo, Stefan Marti
  • Patent number: 11120748
    Abstract: A display device is proposed, the display device including a display panel in which a plurality of unit pixels composed of n sub-pixels (where n is a natural number of 2 or more) connected to a data line and a gate line are arranged; a data driving circuit sequentially outputting n data voltages through a first output channel for one horizontal period; a latch circuit sequentially sampling the n data voltages input through the first output channel and providing the sampled n data voltages simultaneously to n data lines while maintaining the same for one horizontal period including a first time point at which a n-th data voltage is sampled; and a gate driving circuit supplying a scan signal to the gate line in synchronization with the data voltage supplied to the data line.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: September 14, 2021
    Assignee: LG Display Co., Ltd.
    Inventor: Dosung Kim
  • Patent number: 11114048
    Abstract: A driving circuit adaptable to an electrophoretic display includes a first transistor and a second transistor electrically connected in series between a first positive voltage node and a first negative voltage node, the first transistor and the second transistor being interconnected at an output node; a third transistor electrically connected between the output node and a ground; a first voltage regulator that switchably provides one of a plurality of positive supply voltages to the first positive voltage node; a second voltage regulator that provides a negative supply voltage to the first negative voltage node; a switching circuit having a plurality of outputs electrically connected to the first transistor, the second transistor and the third transistor to turn on or off the first transistor, the second transistor and the third transistor respectively; and a controller that controls the first voltage regulator, the second voltage regulator and the switching circuit.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: September 7, 2021
    Assignee: Himax Technologies Limited
    Inventor: Han Wen Huang
  • Patent number: 11106036
    Abstract: The image display apparatus includes a light attenuation section that reflects a portion of light emitted from a light source and a scanning section that scans the light reflected by the light attenuation section. The light attenuation section transmits a portion of light emitted from the light source. The light attenuation section has reflectance and transmittance and the reflectance is smaller than the transmittance. The image display apparatus further includes a light receiving element on which the light transmitted through the light attenuation section is incident. The image display apparatus also includes a control section that controls activation of the light source in accordance with detection results of the light receiving element.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 31, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Shimizu, Makiko Hino, Shuichi Wakabayashi
  • Patent number: 11107434
    Abstract: A gamma adjustment circuit includes: a first node; a second node; a first decoder to which a first voltage signal and a second voltage signal are provided and which outputs either one of the first voltage signal and the second voltage signal as a third voltage signal; an amplifier receiving the third voltage signal as a positive input and outputting a fourth voltage signal; a second decoder receiving the fourth voltage signal and outputting the provided fourth voltage signal as a fifth voltage signal to one of the first and second nodes; a third decoder connected to the first and second nodes, receives the fifth voltage signal from one of the first and second nodes, and outputs the fifth voltage signal to a negative input terminal of the amplifier as a sixth voltage signal; and a first resistor connected between the first node and the second node.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Suk Kim, Chan Bong Yu
  • Patent number: 11088571
    Abstract: The present invention relates to an electronic apparatus and display apparatus, and method for driving the apparatuses, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a rectification unit for rectifying the output voltage of the resonance circuit unit; and a converter for outputting the rectified voltage of the rectification unit as the target voltage by varying duty on the basis of duty data and target voltage determined in accordance with the distance from the external apparatus.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 10, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young-ho Choi, Chun-taek Rim, Eun-soo Lee, Young-chan Park, Kyu-sung Lee, Sang-min Lim, Byeong-guk Choi, Jin-soo Choi, Ho-jic Kim
  • Patent number: 11086412
    Abstract: A method for determining display orientation is provided. The method includes the following steps. Sense a plurality of touch points by at least one hold sensor, and determine a holding gesture of the electronic apparatus according to the plurality of touch points. The at least one hold sensor is disposed on at least one side of the electronic apparatus. Determine a holding direction of the electronic apparatus according to the holding gesture. Determine a display orientation of a frame generated by the electronic apparatus according to the holding direction.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: August 10, 2021
    Assignee: HTC CORPORATION
    Inventor: Kuan-Wei Li
  • Patent number: 11084379
    Abstract: A user interface capable of controlling various functions of a vehicle is disclosed. More particularly, an in-vehicle function control apparatus using a detachable knob and a method of controlling the same are disclosed. A method of controlling a vehicle function using a detachable knob includes an integrated operation unit detecting an attachment position of the detachable knob among a plurality of attachment positions in a vehicle, transmitting information on a result of the operation from the detachable knob to the integrated operation unit when an operation unit provided in the detachable knob is operated, and the integrated operation unit controlling a controlled function corresponding to the attachment position of the detachable knob based on the information on the result. The detachable knob is fixed at any one of the plurality of attachment positions using magnetic force.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 10, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Si Hoon Sung, Jae Hoon Chung, Sung Un Kim
  • Patent number: 11081069
    Abstract: Aspects of the subject technology relate to displays for electronic devices and methods of operating the displays. The display may include an array of display pixels arranged in rows and columns. A v-drive operation in which rows are alternatingly operated about a center of each of two halves of the display is provided. Data rendering operations are provided that generate a virtual frame rate boost.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 3, 2021
    Assignee: Appe Inc.
    Inventors: Jun Li, Chaohao Wang, Hopil Bae, Mitchell H. Kline, Xiaokai Li