Patents Examined by Michael Faragalla
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Patent number: 10234974Abstract: In certain embodiments, an apparatus includes a display stack and a controller. The display stack includes a display and a ground layer for generating an image for the display. The ground layer includes a plurality of columns. Each column of the plurality of columns includes a plurality of nodes. The controller provides voltages to a first plurality of nodes, respectively, of a first column of the plurality of columns of the ground layer such that a sum of the respective voltages of the first plurality of nodes of the first column is substantially zero. The controller also measures, to determine whether a touch event occurred, respective values at a second plurality of nodes of a second column of the plurality of columns. The respective values at the second plurality of nodes indicate an amount of charge transferred from the first plurality of nodes to the second plurality of nodes.Type: GrantFiled: June 8, 2017Date of Patent: March 19, 2019Assignee: Atmel CorporationInventors: Steinar Myren, Rune Watn
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Patent number: 10229628Abstract: A gamma voltage generator includes a reference gamma voltage generating circuit and a gamma voltage generating circuit. The reference gamma voltage generating circuit is configured to generate first reference gamma voltages, second reference gamma voltages, third reference gamma voltages, and a common reference gamma voltage. The gamma voltage generating circuit is configured to generate first gamma voltages, second gamma voltages, and third gamma voltages using the first reference gamma voltages, the second reference gamma voltages, the third reference gamma voltages, and the common reference gamma voltage.Type: GrantFiled: December 1, 2016Date of Patent: March 12, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyeon-Ja Jo
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Patent number: 10217420Abstract: There is provided a display apparatus including a display panel including a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, a driving circuit configured to control the display panel to display an image on the display panel, and to output a wake signal having a pulse period according to an operating mode, a backlight unit configured to supply light to the display panel, and a light source driving unit configured to supply a light source power voltage to the backlight unit, wherein the light source driving unit is configured to generate the light source power voltage based on the pulse period of the wake signal.Type: GrantFiled: December 29, 2015Date of Patent: February 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hyeonyong Jang, Taehyung Kim, Hyungwoo Yim
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Patent number: 10217678Abstract: A display device includes a substrate, a first transistor, a second transistor and a conductive connection portion disposed on the substrate. The first transistor is electrically connected to the gate electrode of the second transistor through the conductive connection portion. An insulating layer is disposed on the conductive connection portion. A pixel electrode is disposed on the insulating layer and is electrically connected to the second transistor. The pixel electrode is at least partially overlapped with the conductive connection portion. A light-emitting element is disposed on the pixel electrode. The conductive connection portion and the pixel electrode form a capacitor. The capacitor has an equivalent permittivity and a thickness. The ratio of the equivalent permittivity to the thickness is in a range from 0.4*(1E+5)F/m^2 to 296.48*(1E+5)F/m^2.Type: GrantFiled: June 8, 2017Date of Patent: February 26, 2019Assignee: INNOLUX CORPORATIONInventors: Tung-Kai Liu, Tsau-Hua Hsieh, Wei-Cheng Chu, Chun-Hsien Lin, Chandra Lius, Ting-Kai Hung, Kuan-Feng Lee, Ming-Chang Lin, Tzu-Min Yan, Hui-Chieh Wang
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Patent number: 10209798Abstract: A touch display device includes a plurality of scan lines including first portion scan lines and second portion scan lines; a plurality of data lines crossing the plurality of scan lines; a scan driver outputs a plurality of first portion scan signals to the first portion scan lines in a first display scan period in a frame, a plurality of second portion scan signals to the second portion scan lines in a second display scan period in the frame; and a data driver outputs a plurality of first portion display signals corresponding to the plurality of first portion scan signals in the first display scan period; a plurality of second portion display signals corresponding to the plurality of second portion scan signals in the second display scan period.Type: GrantFiled: February 22, 2017Date of Patent: February 19, 2019Assignee: AU OPTRONICS CORPORATIONInventors: Pi-Chun Yeh, Shun-Chien Huang, Ching-Sheng Cheng
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Patent number: 10210801Abstract: An electronic device includes a display and a controller. The controller is configured to receive one or more operational characteristics of the display. The controller is also configured to calculate a blank time voltage level for a data line of the display based on the one or more operational characteristics, wherein the blank time voltage level corresponds to a voltage transmitted along the data line of the display immediately subsequent to image data being transmitted along the data line.Type: GrantFiled: February 1, 2016Date of Patent: February 19, 2019Assignee: Apple Inc.Inventors: Hung Sheng Lin, Mohammad Ali Jangda, Chin-Wei Lin, Hyunwoo Nho, Vasudha Gupta
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Patent number: 10203754Abstract: 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: GrantFiled: December 22, 2017Date of Patent: February 12, 2019Assignee: 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
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Patent number: 10199007Abstract: A differential amplifier circuit includes a differential input stage, a first current mirror, a second current mirror, a first current source circuit, and a second current source circuit. The first current source circuit has a first transistor of a first conductivity type with a control terminal supplied with a first bias voltage, and a second transistor of a second conductivity type with a control terminal supplied with a second bias voltage. An output amplifier circuit includes a third transistor of the first conductivity type and a fourth transistor of the second conductivity type. A control circuit has a fifth transistor of the first conductivity type with a first terminal connected to a connection point between the other end of the second current source circuit and the control terminal of the fourth transistor in the output amplifier circuit, with a second terminal connected to an output node of the second current mirror, and with a control terminal receiving the first bias voltage.Type: GrantFiled: November 20, 2017Date of Patent: February 5, 2019Assignee: LAPIS Semiconductor Co., Ltd.Inventor: Hiroshi Tsuchi
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Patent number: 10198985Abstract: The liquid crystal drive apparatus controls application of a first or second voltage to each pixel of a liquid crystal element in respective multiple sub-frame periods included in one frame period to cause that pixel to form a tone. The sub-frame period where the first voltage is applied to the pixel is referred to as an ON period, and the sub-frame period where the second voltage is applied to the pixel is referred to as an OFF period. The apparatus provide, when causing the pixel to form the tone using the ON period, multiple ON period sets separately from each other in the one frame period. Each ON period set includes one or more ON periods. The apparatus sets a temporal interval between temporal centers of the respective ON period sets to 60% or less of the one frame period or to 5.0 ms or less.Type: GrantFiled: September 1, 2016Date of Patent: February 5, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Masayuki Abe, Masao Ono
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Patent number: 10193549Abstract: In one aspect, a modular sensing apparatus will be described. The modular sensing apparatus includes a flexible substrate and multiple sensors. The flexible substrate is reconfigurable into different shapes that conform to differently shaped structures. The multiple sensors are positioned on the substrate. Various embodiments relate to software, devices and/or systems that involve or communicate with the modular sensing apparatus.Type: GrantFiled: December 29, 2015Date of Patent: January 29, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Nan-Wei Gong, Tobias Rick, Arun Rakesh Yoganandan, Henry Holtzman, Jae Woo Chung, Kumi Akiyoshi
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Patent number: 10186186Abstract: An electronic paper display including an electronic paper display panel and a driver circuit is provided. The electronic paper display panel is configured to display an image. The driver circuit is coupled to the electronic paper display panel. The driver circuit is configured to drive the electronic paper display panel to display the image by using a plurality of driving signals. Each of the driving signals includes a reset period and a display period. The display period includes a pulse driving period. The driving signals include a first driving signal and a second driving signal configured to drive the electronic paper display panel to display the image by using a pulse width modulation signal during the pulse driving period.Type: GrantFiled: January 12, 2018Date of Patent: January 22, 2019Assignee: E Ink Holdings Inc.Inventors: Chih-Yu Cheng, Hsin-I Wu, Feng-Shou Lin
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Patent number: 10182141Abstract: An apparatus, method, and computer program product are described that determine a destination screen for display and provide for a visual transition between an origin screen and the destination screen based on a position of a user input and a direction of the movement component of the input. The origin screen may, for example, associate certain areas of the screen with certain destination screens, such that an input received in one area invokes one destination screen and an input received in another area invokes another destination screen. The destination screen may also be determined based on the direction of the movement component of the input. Thus, one of several destination screens may be accessible to the user and may be determined based on the characteristics of the input received.Type: GrantFiled: December 22, 2011Date of Patent: January 15, 2019Assignee: Nokia Technologies OyInventors: Christopher Paretti, William Lindmeier
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Patent number: 10181841Abstract: A voltage level conversion circuit includes a first voltage level input terminal, a second voltage level input terminal, a first thin film transistor, a second thin film transistor, and a delay control chip configured to output the first voltage level before outputting the second voltage level in a delayed manner. The present disclosure also provides a display panel.Type: GrantFiled: November 8, 2017Date of Patent: January 15, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xianming Zhang
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Patent number: 10175781Abstract: This document describes an interactive object with multiple electronics modules. An interactive object (e.g., a garment) includes a grid or array of conductive thread woven into the interactive object, and an internal electronics module coupled to the grid of conductive thread. The internal electronics module includes a first subset of electronic components, such as sensing circuitry configured to detect touch-input to the grid of conductive thread. An external electronics module that includes a second subset of electronic components (e.g., a microprocessor, power source, or network interface) is removably coupled to the interactive object via a communication interface. The communication interface enables communication between the internal electronics module and the external electronics module when the external electronics module is coupled to the interactive object.Type: GrantFiled: November 28, 2016Date of Patent: January 8, 2019Assignee: Google LLCInventors: Mustafa Emre Karagozler, Ivan Poupyrev, Carsten C. Schwesig, Hakim K. Raja, Nan-Wei Gong, Shiho Fukuhara, Karen Elizabeth Robinson
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Patent number: 10175843Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a display substrate, an encapsulation substrate formed over the display substrate, and a window formed over the encapsulation substrate, wherein the window includes a surface facing the display substrate. The OLED display further includes a contact sensing layer formed on the surface of the window and a touch driver formed on the surface of the window and electrically connected to the contact sensing layer, wherein the touch driver is configured to drive the touch sensing layer.Type: GrantFiled: March 5, 2018Date of Patent: January 8, 2019Assignee: Samsung Display Co., Ltd.Inventors: Gyung-Kook Kwak, Jang-Youp Shim
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Patent number: 10168983Abstract: Disclosed is a server apparatus for providing authentication information to associate a client terminal with a plurality of display apparatuses capable of displaying a content distributed from the client terminal. The server apparatus includes a storage configured to store authentication pattern information associated with information relating to operations of the client terminal; and an issuing unit configured to issue the authentication pattern information stored in the storage to a display apparatus on which an operation has been performed by the user, among the plurality of display apparatuses, in a mode of disabling issuing a same item of authentication pattern information in a period from issuing the authentication pattern information to receiving return of the authentication pattern information from the display apparatus.Type: GrantFiled: April 4, 2017Date of Patent: January 1, 2019Assignee: FUJITSU LIMITEDInventors: Keiju Okabayashi, Bin Chen
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Patent number: 10168808Abstract: A liquid crystal display device includes: a liquid crystal element array including liquid crystal display elements arranged in a matrix form; scan lines arranged in each row of the liquid crystal element array and configured to supply scan signals to the liquid crystal display elements arranged in a corresponding row; signal lines arranged in each column of the liquid crystal element array and configured to supply image signals to the liquid crystal display elements arranged in a corresponding column; a plurality of driving electrodes arranged in the liquid crystal element array and supplied with driving signals for detecting an external proximity object; a first voltage line of a first voltage; a second voltage line of a second voltage; and a third voltage line of a third voltage.Type: GrantFiled: December 29, 2015Date of Patent: January 1, 2019Assignee: Japan Display Inc.Inventors: Daisuke Ito, Hiroshi Mizuhashi, Makoto Hayashi, Yasuyuki Teranishi, Tadayoshi Katsuta
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Patent number: 10157592Abstract: Techniques for optimizing light output profiles in display systems are described. A light output profile is defined in relation to a plurality of sample locations on an illuminated surface. Point spread functions that satisfy illumination performance values specified in the light output profile in aggregate are computed or derived. A design process that adds or removes optical components to a display light assembly derives an optimal design of a light illumination layer for display systems. Relationships and parameter values determined in the design process may be configured into display systems along with the optical components for the purpose of generating optimized light output profiles in the display systems.Type: GrantFiled: August 22, 2017Date of Patent: December 18, 2018Assignee: Dolby Laboratories Licensing CorporationInventors: Henry Hang-Kei Ip, Chun Chi Wan, Ka Wing Terence Lau
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Patent number: 10152160Abstract: An input/output device includes a first sensor electrode and a second sensor electrode. In addition, the input/output device includes a first electrode and a second electrode which are electrodes for a display element, and a substrate sandwiched between the first sensor electrode and the second sensor electrode. The second sensor electrode is formed concurrently with the first electrode using the same material. The input/output device sensors a change in capacitance of a capacitor formed between the first sensor electrode and the second sensor electrode. Furthermore, a third sensor electrode to which a floating potential is applied may be provided to overlap with the first electrode. In the input/output device, either a liquid crystal element or a light-emitting element may be used, or both the liquid crystal element and the light-emitting element may be used.Type: GrantFiled: July 10, 2017Date of Patent: December 11, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hajime Kimura, Shunpei Yamazaki
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Patent number: 10147351Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.Type: GrantFiled: January 28, 2013Date of Patent: December 4, 2018Assignee: Samsung Display Co., Ltd.Inventors: Ji-Yeon Yang, Geun-Young Jeong, Takeshi Kato, Myung-Ho Lee