Patents Examined by Andrew B Schnirel
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Patent number: 11036312Abstract: An electronic ink cartridge is provided, which improves the mass productivity of a position pointer and which ensures reliability of a characteristic of a pressure sensor to detect writing pressure. The electronic ink cartridge includes a core member provided so as to extend outwardly from a distal end portion of a tubular member in a direction of a center axis of the tubular member, a pressure sensor accommodated in a hollow portion of the tubular member to sense pressure applied to the core member, a connection member provided fixedly on the tubular member to interpose the pressure sensor between the connection member and the core member along the direction of the center axis of the tubular member, and a connection terminal, which is formed on a proximal end face of the connection member and from which an electric characteristic corresponding to the pressure sensed by the pressure sensor is extracted.Type: GrantFiled: June 19, 2013Date of Patent: June 15, 2021Assignee: Wacom Co., Ltd.Inventor: Masayuki Obata
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Patent number: 11029768Abstract: An electronic ink cartridge is provided, which improves the mass productivity of a position pointer and which ensures reliability of a characteristic of a pressure sensor to detect writing pressure. The electronic ink cartridge includes a core member provided so as to extend outwardly from a distal end portion of a tubular member in a direction of a center axis of the tubular member, a pressure sensor accommodated in a hollow portion of the tubular member to sense pressure applied to the core member, a connection member provided fixedly on the tubular member to interpose the pressure sensor between the connection member and the core member along the direction of the center axis of the tubular member, and a connection terminal, which is formed on a proximal end face of the connection member and from which an electric characteristic corresponding to the pressure sensed by the pressure sensor is extracted.Type: GrantFiled: October 18, 2017Date of Patent: June 8, 2021Assignee: Wacom Co., Ltd.Inventor: Masayuki Obata
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Patent number: 11023075Abstract: A capacitive touch screen of e.g., a mobile communications device such as a smart phone or tablet is operated by producing a capacitance map of capacitance values for the screen, wherein the capacitance values are indicative of locations of the screen exposed to touch by a user, and by identifying locations of the screen exposed to touch by a user by comparing the capacitance values against settings of sensing thresholds. Descriptor processing is applied to the capacitance map to extract a set of descriptors indicative of said screen being in one of a plurality of different operating conditions. A set of rules is applied to these descriptors to identify one of a plurality of different operating conditions, and selecting the setting of sensing thresholds as a function of the operating condition thus identified.Type: GrantFiled: December 17, 2015Date of Patent: June 1, 2021Assignee: STMICROELECTRONICS S.r.l.Inventor: Nunziata Ivana Guarneri
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Patent number: 11009971Abstract: An input device includes a wheel supporting structure, a scroll wheel, a hook part, a linking part, and a switching mechanism. The scroll wheel is rotatably supported by the wheel supporting structure, is exposed from the input device, and has a rotary shaft with a plurality of toothed slots thereon. The hook part is disposed biased on the wheel supporting structure to selectively engage with the toothed slots. The linking part is pivotally connected to the wheel supporting structure. The switching mechanism includes an abutting part and a switching part. The abutting part abuts against the linking part. The switching part is coupled to the abutting part. Therein, the switching mechanism is operable to move the abutting part through the switching part to rotate the linking part to abut against and move the hook part to disengage from the toothed slots.Type: GrantFiled: August 15, 2019Date of Patent: May 18, 2021Assignee: DARFON ELECTRONICS CORP.Inventors: Ching-Chin Chang, Wen-Yu Tsai, Feng-Wei Su, Chun-Chieh Chen
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Patent number: 10996478Abstract: A method for correcting image distortion in a Head-up Display (HUD) system may include: selecting an image correction target item in a HUD system displayed on a vehicle; receiving, when there is a change in the step in which its parameter values are set to be different from each other for the correction target item, the parameter values of the changed step; and outputting a HUD image by correcting it using image source values corresponding to the changed parameter values.Type: GrantFiled: October 9, 2019Date of Patent: May 4, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Hee-An Yu, Chi-Hyeon Kim
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Patent number: 10937364Abstract: A display device includes a plurality of pixels, each of the pixels including an organic light emitting diode and a plurality of transistors configured to control a current applied to the organic light emitting diode, wherein an aging frame includes an aging period in which at least one of the plurality of transistors is aged, wherein at least one of the plurality of transistors is in a turn-off state in the aging period, and wherein a potential difference between one electrode and an other electrode of a transistor of the plurality of transistors is equal to or greater than a reference potential difference, the reference potential difference being a difference value between a high level and a low level of a first power source voltage.Type: GrantFiled: October 9, 2019Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Young Wan Seo, Min Kyu Woo, Cheol Gon Lee, Mee Hye Jung
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Patent number: 10930226Abstract: A liquid crystal display device is manufactured at a low cost. In the liquid crystal display device, three sub-pixel electrodes are connected by inter-electrode connection portions to form one pixel electrode. One TFT is connected to the pixel electrode. A screen of a liquid crystal display panel is divided into n (n?2) of areas. Gate signal lines G of each divided area are scanned simultaneously one line at a time in each divided area. A backlight device emits light after completion of the scanning of each divided area.Type: GrantFiled: April 17, 2018Date of Patent: February 23, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Hidefumi Yoshida, Kazutaka Hanaoka, Takahiro Sasaki, Kimiaki Nakamura
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Patent number: 10928881Abstract: An electronic device is disclosed. The electronic device can sense touch on its touch screen while in a sleep state in a manner that allows the electronic device to respond to certain touch inputs, while consuming less power due to touch sensing than while in an awake state. For example, sensing touch during the sleep state can allow the electronic device to wake (e.g., transition from the sleep state to the awake state) in response to detecting a certain touch input (e.g., a tap or other touch input) on its touch screen while in the sleep state. Various ways for the electronic device to sense touch during the sleep state are disclosed.Type: GrantFiled: August 30, 2017Date of Patent: February 23, 2021Assignee: Apple Inc.Inventors: Taif A. Syed, Bingrui Yang, Christopher Tenzin Mullens, Sumant Ranganathan
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Patent number: 10901547Abstract: A touch sensor assembly includes a touch substrate attached to a rear surface of a panel having a touch point, a piezo disk having first and second poles stacked thereon, a pressing tab flexibly provided on the touch substrate, electrically connected to the first pole upon being in contact with the first pole, and electrically connected to a first wire provided on the touch substrate, a fixing surface electrically connected to the second pole while supporting the second pole such that the piezo disk is fixed to the rear surface of the touch substrate and electrically connected to a second wire provided on the touch substrate, and an oxidation prevention film coated on at least one of the first pole or the second pole of the piezo disk and the pressing part or the fixing surface of the touch substrate and made of a conductive material.Type: GrantFiled: June 22, 2018Date of Patent: January 26, 2021Assignee: LG ELECTRONICS INC.Inventor: Seungje Park
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Patent number: 10902789Abstract: A display device providing grayscale correction to pixels in a plurality of dots which cat display an image frame in which aliasing is relaxed for various pixel arrangement structures.Type: GrantFiled: April 9, 2019Date of Patent: January 26, 2021Assignee: Samsung Display Co., Ltd.Inventor: Jong Woong Park
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Patent number: 10896656Abstract: An active matrix substrate includes a demultiplexer circuit arranged in a peripheral region. Each unit circuit in the demultiplexer circuit includes n switching TFTs. The demultiplexer circuit includes a boost circuit capable of boosting a voltage applied to a gate electrode of the switching TFT. The boost circuit includes a set unit configured to perform a set action, a boost unit configured to perform a boost action, and a reset unit configured to perform a reset action. The set unit includes a setting TFT including a drain electrode connected to the drive signal line and a source electrode connected to a node connected to the gate electrode of the switching TFT. When the set unit performs the set action, a first signal voltage is supplied from the drive signal line to the drain electrode of the setting TFT, and a second signal voltage higher than the first signal voltage is supplied to the gate electrode of the setting TFT.Type: GrantFiled: March 27, 2019Date of Patent: January 19, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Kaoru Yamamoto
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Patent number: 10878754Abstract: An organic light emitting display device includes a display panel including a plurality of pixels and a panel driver configured to generate driving signals to drive the plurality of pixels. Each of the plurality of pixels includes a first transistor, a second transistor, a storage capacitor, a third transistor, a maintain capacitor, a fourth transistor, a fifth transistor, and an organic light emitting diode. The maintain capacitor is configured to maintain a gate voltage of the first transistor during an emission period of the pixels.Type: GrantFiled: March 20, 2019Date of Patent: December 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gun Hee Kim, Kyung-Bae Kim, Joohee Jeon
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Patent number: 10867567Abstract: A liquid crystal device includes, peripheral electrodes including three electrodes for ion trapping, and a transistor coupled to each of the three electrodes. A common signal (COM signal) that varies between a first potential and a second potential in a first period is applied to a counter electrode. A driving signal that varies between a third potential and a fourth potential is input to the transistor. The driving signal is coupled to or uncoupled from the peripheral electrodes by the transistor in a unit of a duration equal to or less than ½ of the first period. AC signals varying between a positive-polarity potential and a negative-polarity potential, with a potential of the common signal being a reference, in a second period longer than the first period, are applied to the three electrodes of the peripheral electrodes, in a state where phases of the AC signals are shifted mutually.Type: GrantFiled: May 16, 2019Date of Patent: December 15, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Satoshi Yatabe, Naoki Tomikawa
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Patent number: 10860274Abstract: A method and an electronic device are provided, which attach or detaches two displays by magnetism. The electronic device includes a first housing including a first display exposed through a surface of the first housing, and a first cylindrical magnet disposed in a side of the first housing; and a second housing including a second display exposed through a surface of the second housing, and a second cylindrical magnet disposed in a side end of the second housing. At least one of the first cylindrical magnet and second cylindrical magnet is configured to rotate within the first housing and the second housing, respectively, by magnetic attraction of the first cylindrical magnet and second cylindrical magnet being adjacent to each other. The first housing and the second housing are coupled to each other by the magnetic attraction of the first cylindrical magnet and the second cylindrical magnet.Type: GrantFiled: June 28, 2018Date of Patent: December 8, 2020Inventors: Hyunkeun Son, Jangwoon Kim, Chungha Kim, Jaeho Baik, Junwon Lee, Seungho Jang
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Patent number: 10854152Abstract: A display driver includes a processing circuit that performs gray level gamma conversion processing on display data, a memory that stores correspondence information, and a drive circuit. The memory stores lower n bits of m-bit output gray level data in an output gray level group, the processing circuit generates output gray level data corresponding to the m-bit input gray level data based on lower n-bit data, and the drive circuit outputs a drive voltage based on the output gray level data.Type: GrantFiled: July 30, 2018Date of Patent: December 1, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Akihiko Ito, Masahiko Miura
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Patent number: 10795497Abstract: According to an aspect, a display device with a touch detection function includes: a display region; a plurality of drive electrodes; a control device; a touch detection electrode that is opposed to the drive electrodes and forms capacitance with respect to the drive electrodes; power supply wiring arranged in a frame region positioned outside the display region; and a plurality of drive electrode scanning units that select the drive electrode to be coupled to the power supply wiring. When the drive electrode scanning unit simultaneously selects the drive electrodes of which number is equal to or larger than the number of pieces of the power supply wiring, the control device supplies a touch driving signal that is multiplexed based on a certain code to each of the selected drive electrodes.Type: GrantFiled: March 26, 2019Date of Patent: October 6, 2020Assignee: Japan Display Inc.Inventors: Hiroshi Mizuhashi, Tadayoshi Katsuta, Yoshitoshi Kida
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Patent number: 10788924Abstract: A light beam direction controlling touch panel device includes: upper light beam direction controlling electrodes and upper touch panel electrodes arranged on a bottom surface of an upper transparent substrate; lower touch panel electrodes disposed on a top surface of a lower transparent substrate; electrophoresis elements sandwiched between the upper light beam direction controlling electrodes and the lower touch panel electrodes; light-transmissive regions surrounded by the electrophoresis elements and sandwiched between the upper transparent substrate and the lower transparent substrate; and a controller, each of the upper light beam direction controlling electrodes include an opening that overlaps with the light-transmissive region, the controller supplies a driving potential to the lower touch panel electrodes in capacitance measurement for detecting a touch position; and supplies a driving potential to the upper light beam direction controlling electrodes based on the driving potential given to the loweType: GrantFiled: November 21, 2018Date of Patent: September 29, 2020Assignee: TIANMA JAPAN, LTD.Inventors: Yuki Ito, Yukihiro Ito
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Patent number: 10747377Abstract: A display device includes a substrate, first electrodes, second electrodes, and a driver. The first electrodes are disposed in a matrix (row-column configuration) in a display region of the substrate. The second electrodes are disposed in a peripheral region on the outside of the display region of the substrate. The driver supplies a drive signal to the first electrodes and the second electrodes. The first electrodes output detection signals corresponding to self-capacitance changes in the first electrodes. The second electrodes output detection signals corresponding to self-capacitance changes in the second electrodes.Type: GrantFiled: March 27, 2018Date of Patent: August 18, 2020Assignee: Japan Display Inc.Inventors: Yasuyuki Teranishi, Gen Koide
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Patent number: 10739911Abstract: A method of emulating an input device. The method receives a set of data associated with a touch input. The set of data includes a set of coordinates of each data point, the force applied at each data point, and the time the data for each data point is received. The method adds several data points to the first set of data points to create a second set of data points. For each data point in the second set of data points, the method calculates a set of parameters based on the set of data associated with the data point. The method provides a subset of the calculated parameters and the data associated with a subset of the second set of data to an application to emulate the input device.Type: GrantFiled: September 30, 2015Date of Patent: August 11, 2020Assignee: Apple Inc.Inventors: Brandon M. Tennant, Conrad R. Carlen, Bradley W. Griffin, William J. Thimbleby, Patrick O. Heynen, Ryan S. Dixon
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Patent number: 10725597Abstract: A hovering and touch sensing apparatus includes a plurality of touch sensing electrodes, a system circuit and a touch control circuit. When an operating object approaches to or touches the touch sensing electrodes for hovering or touch sensing operation, there is no common circuit loop between the system circuit and the touch control circuit to prevent the influence of the system circuit to the touch-sensing circuit. Besides, the touch control circuit sends a capacitance-exciting signal to the operating object through a first specific conductor of the system circuit, thus more effectively send the capacitance-exciting signal to the operating object and enhance the preciseness for sensing the touch sensing signal.Type: GrantFiled: July 23, 2018Date of Patent: July 28, 2020Assignee: SUPERC-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin, Chia-Hsun Tu