Patents Examined by Hong Zhou
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Patent number: 11282458Abstract: Systems and methods are presently disclosed that compensate for temperature-based parasitic capacitance variation of a pixel of a display by causing a driver transistor of the pixel to enter an ohmic or linear region. A lookup table is generated based on temperatures at the pixel, diode voltages, and target diode currents or luminances at a diode of the pixel. A correction voltage is determined based on a target diode current or luminance, a temperature at the pixel, and the lookup table. A data voltage is applied corresponding to the target diode current or luminance and the correction voltage to the driver transistor.Type: GrantFiled: June 9, 2020Date of Patent: March 22, 2022Assignee: Apple Inc.Inventors: Hyunsoo Kim, Injae Hwang, Jesun Kim, Jesse A. Richmond, Junhua Tan, Jie Won Ryu, Hyunwoo Nho, Kingsuk Brahma, Chaohao Wang, Shiping Shen, Myungjoon Choi, Myung-Je Cho, Rebecca Park, Sun-Il Chang
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Patent number: 11275460Abstract: A display device includes a display panel, a first printed circuit board over one surface of the display panel and including a first pad and a second pad, a pressure sensor between the display panel and the first printed circuit board, the pressure sensor including a first conductor connected to the first pad, and a second conductor forming a capacitance with the first conductor, a first adhesive portion contacting the second pad and the second conductor, and a second adhesive portion contacting the second conductor and the first printed circuit board.Type: GrantFiled: March 27, 2020Date of Patent: March 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Changwoo Kahng, Dongik Koo
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Patent number: 11270637Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.Type: GrantFiled: July 14, 2020Date of Patent: March 8, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jong Won Park, Seung-Kyu Lee, Hyun Woong Kim
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Patent number: 11263952Abstract: A shift register unit includes a shift register circuit and a control circuit. The control circuit is electrically coupled to the shift register circuit and at least one control terminal, and is configured, based on at least one control signal respectively from the at least one control terminal, to output a hold signal to a pull-up node in the shift register circuit such that a high voltage maintains at the pull-up node during a specified time period. The shift register includes a plurality of shift register circuits cascadedly connected in stages, includes a first shift register circuit, which is coupled with a control circuit to form a shift register unit described above. The above shift register can be used in an array substrate in a display apparatus with touch control functionality.Type: GrantFiled: December 27, 2018Date of Patent: March 1, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiao Wang, Yu Ma, Yan Yan
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Patent number: 11257439Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.Type: GrantFiled: January 4, 2019Date of Patent: February 22, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhijie Guo, Ming Chen, Jieqiong Wang, Hsinchung Lo, Hao Zhu, Xin Duan
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Patent number: 11249575Abstract: A method of processing a number of force values is described. Each force value corresponds to a sensor location. The sensor locations are spaced apart along a direction. The method includes receiving the force values (S11). The method also includes determining whether the force values include one or more candidate peaks (S12). Each candidate peak corresponds to a local maximum of the force values. The method also includes, in response to at least one candidate peak exceeds a minimum force threshold (S13), interpolating the force values and estimating a number of peak coordinates and corresponding peak force values based on the interpolated force values and the candidate peaks (S14) which exceed the minimum force threshold.Type: GrantFiled: June 23, 2020Date of Patent: February 15, 2022Assignee: Cambridge Touch Technologies Ltd.Inventors: Riccardo Micci, Arokia Nathan
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Patent number: 11231813Abstract: In an electro-optical touchscreen inputs into an electronic system are able to be realized by the electro-optical touchscreen being touched by an input member and wherein the electro-optical touchscreen comprises a display and a first sensing device for determining the location at which the electro-optical touchscreen is touched, and a second sensing device for determining a force applied to the electro-optical touchscreen, wherein the position of the electro-optical touchscreen with respect to a reference surface is variable by way of the force being applied to the surface of said electro-optical touchscreen, wherein the second sensing device is configured in capacitive fashion and comprises an electrode, it is provided that the electrode of the second sensing device lies in a plane with electrodes of the display or in a plane with electrodes of the first sensing device.Type: GrantFiled: June 22, 2020Date of Patent: January 25, 2022Assignee: Continental Automotive GmbHInventors: Andreas BrĂ¼ninghaus, Kai Hohmann, Steffen Wildner
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Patent number: 11231820Abstract: A touch sensing structure with improved illumination includes a first substrate, a decoration layer, a light-shielding layer, a light-emitting element, a pressure-sensitive element, a first reflective layer, and a second reflective layer. The pressure-sensitive element is farther away than the light-emitting element from the first substrate. The decoration layer shows a function icon. The light-emitting element emits light to illuminate the function icon. When the first substrate is pressed, the touch sensing structure determines a magnitude of the pressing force by detecting a change in the resistance or voltage value of the pressure-sensitive element. If the pressing force reaches a specific value, the function identified by the function icon is executed, otherwise no function is executed.Type: GrantFiled: April 13, 2021Date of Patent: January 25, 2022Assignees: Interface Technology (ChengDu) Co., Ltd., INTERFACE OPTOELECTRONICS (SHENZHEN) CO.. LTD., INTERFACE OPTOELECTRONICS (WUXI) CO., LTD., GENERAL INTERFACE SOLUTION LIMITEDInventors: Ten-Hsing Jaw, I-Chang Kuan, Han-Lung Tsai
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Patent number: 11227554Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.Type: GrantFiled: January 4, 2019Date of Patent: January 18, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhijie Guo, Ming Chen, Jieqiong Wang, Hsinchung Lo, Hao Zhu, Xin Duan
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Patent number: 11222579Abstract: A shift register circuit includes a first dummy shift register, a second dummy shift register, multiple shift registers, multiple module selection switches, and multiple output selectors. The shift registers are connected in series between the first dummy shift register and the second dummy shift register, and are divided into a plurality of shift register groups. The module selection switches jointly receive a module selection signal, and are respectively coupled between the first dummy shift register and the shift register groups or between the shift register groups. The output selectors are respectively coupled between an output terminal of the corresponding one of the first dummy shift register, the shift registers, and the second dummy shift register, and a display panel and a fingerprint sensor module.Type: GrantFiled: April 26, 2021Date of Patent: January 11, 2022Assignee: Au Optronics CorporationInventors: Cheng-Hsing Lin, Shu-Wen Tzeng, Jui-Chi Lo
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Patent number: 11216120Abstract: Embodiments of the present disclosure provide a touch panel and a driving method thereof, and a touch device. The touch panel includes a plurality of touch electrodes and at least one first switch element. Each of the at least one first switch element is provided between two touch electrodes of the plurality of touch electrodes, and is configured to be turned on according to a first signal from a first signal terminal such that the corresponding touch electrodes among the plurality of touch electrodes are connected via the at least one first switch element to form a coil.Type: GrantFiled: February 5, 2018Date of Patent: January 4, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Yanling Han, Chih Jen Cheng, Wei Liu, Pengpeng Wang, Ping Zhang
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Patent number: 11209908Abstract: Provided are an information processing apparatus, an information processing method, and a program capable of further improving gesture recognition accuracy. There is provided an information processing apparatus including a context recognition unit that recognizes a context related to a user, a gesture recognition unit that recognizes a gesture of a user, and a setting change unit that dynamically changes a recognition setting of the gesture recognition unit based on recognition result of the context recognition unit.Type: GrantFiled: October 24, 2017Date of Patent: December 28, 2021Assignee: SONY CORPORATIONInventors: Hiroyuki Mizunuma, Ikuo Yamano
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Patent number: 11209939Abstract: Aspects of the present invention relate to user interface control of a head-worn computer.Type: GrantFiled: October 15, 2018Date of Patent: December 28, 2021Assignee: Mentor Acquisition One, LLCInventors: Nicholas Benjamin Pelis, Sean Tomas Mostajo O'Hara, Robert Michael Lohse, Andrew Carl Heisey
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Patent number: 11194424Abstract: The driving apparatus for driving a touch display panel includes a first voltage generating circuit configured to generate a common reference voltage, a second voltage generating circuit configured to generate a touch driving signal, and a control circuit configured to generate a switching signal. The switching signal is at the first voltage level during display periods for providing the common reference voltage to the touch display panel. The switching signal is at the second voltage level during touch periods for providing the touch driving signal to the touch display panel. A first touch display period includes a first display period a first touch period adjacent to the first display period. A second touch display period includes a second display period and a second touch period adjacent to the second display period. The first touch display period and the second touch display period are different in time length.Type: GrantFiled: May 18, 2020Date of Patent: December 7, 2021Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Feng-Lin Chan, Hung-Kai Chen, Yuan-Fu Hsueh, Chun-Yuan Pai
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Patent number: 11188181Abstract: A transform is used to transform raw sensor data from the time domain to the frequency or sequency domain. The transformed data falls into several signal bins. The transformed data in at least one of the signal bins is analyzed to determine whether a touch event or release event has occurred.Type: GrantFiled: June 22, 2020Date of Patent: November 30, 2021Assignee: TOUCHSENSOR TECHNOLOGIES, LLCInventor: James W. Citta
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Patent number: 11175778Abstract: The present disclosure relates to touch display device and display panel. Provided are a touch display device and a display panel able to improve touch sensing performance by reducing crosstalk occurring between data lines and touch lines. A shield pattern is disposed in an area in which the touch lines overlap the data lines. A shield signal is applied to the shield pattern through shield lines in an area in which the shield pattern does not overlap the touch lines or the data lines. Direct capacitance is not formed between the touch lines and the data lines.Type: GrantFiled: September 11, 2020Date of Patent: November 16, 2021Assignee: LG Display Co., Ltd.Inventors: Haewon Lee, JuHan Kim, Jinseong Kim
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Patent number: 11170726Abstract: The liquid crystal display device includes a first substrate provided with a terminal portion, a switching transistor, a driver circuit portion, and a pixel circuit portion including a pixel transistor and a plurality of pixels, a second substrate provided with a common electrode electrically connected to the terminal portion through the switching transistor, and liquid crystal between a pixel electrode and the common electrode. In a period during which a still image is switched to a moving image, the following steps are sequentially performed: a first step of supplying the common potential to the common electrode; a second step of supplying a power supply voltage to the driver circuit portion; a third step of supplying a clock signal to the driver circuit portion; and a fourth step of supplying a start pulse signal to the driver circuit portion.Type: GrantFiled: August 24, 2017Date of Patent: November 9, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Jun Koyama, Hiroyuki Miyake
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Patent number: 11164536Abstract: A gate on array circuit for a display device using dual-gate architecture is disclosed. The GOA circuit comprises circuitry configured to, for a first display line of the display device, generate a first gate driving signal and a second gate driving signal for driving a first gate line and a second gate line of the first display line respectively. A first time period when the first gate driving signal is in an activation state for activating the first gate line of the first display line does not overlap with a first time period when the second gate driving signal is in the activation state for activating the second gate line of the first display line.Type: GrantFiled: May 8, 2020Date of Patent: November 2, 2021Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Hung-Hsiang Chen, Tso-Hua Chien, Huang-Chin Tang
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Patent number: 11158230Abstract: An electronic device includes a touch screen display including an organic light emitting layer that is formed of a plurality of pixels, a wireless communication circuit, a processor operatively coupled with the display and the wireless communication circuit, and a memory operatively coupled with the processor.Type: GrantFiled: February 22, 2019Date of Patent: October 26, 2021Inventors: Jaeho Lee, Minseung Kim, Taekyoung Kim, Jongkon Bae, Youngil Yoon, Yohan Lee, Jihoon Jeon, Hyesoon Jeong, Yunpyo Hong, Jongwu Baek
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Patent number: 11150692Abstract: An electronic device may have a housing. The housing may be characterized by a vertical axis and may have housing structures such as cylindrical housing structures with a cylindrical surface. A speaker may be mounted in the housing to provide sound through openings in the housing structures. A visual output device may be mounted in the housing to provide light through openings in the housing structures. The visual output device may include an electrophoretic display, a light-emitting diode display, or other display with an array of pixels that display images or may include other components for emitting light. During operation, voice commands may be received by a microphone in the device and action taken based on the commands and other information. The action taken may include playing sound with the speaker and providing visual output with the visual output device.Type: GrantFiled: August 14, 2019Date of Patent: October 19, 2021Assignee: Apple Inc.Inventors: Paul X. Wang, Jie Gu