Patents Examined by Lin Li
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Patent number: 11727888Abstract: A display driving circuit is provided. The circuit drives a display panel that includes data lines, sensing lines, and sub-pixels connected to the data lines and the sensing lines. The display driving circuit includes a data driver integrated circuit that drives the data lines. The data driver integrated circuit includes a driving block and a sensing block. The driving block includes plural digital-analog converters (DACs) each performing digital-analog conversion with respect to received sub-pixel data to generate output voltages and provide the output voltages of the DACs to the data lines. The sensing block measures grayscale voltages output from the DACs in a first operation mode and measures pixel voltages of the sub-pixels received from the sensing lines in a second operation mode.Type: GrantFiled: February 27, 2020Date of Patent: August 15, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jiyong Jeong, Yongjoo Song, Jeongah Ahn, Hajun Lee, Youngsub Jin
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Patent number: 11710441Abstract: A display device includes a display area including a plurality of pixels and a plurality of scan lines connected to the plurality of pixels, and a driving circuit portion that generates a compensation data voltage to compensate for a difference in length between the plurality of scan lines to input the compensation data voltage to a pixel disposed in a first area, based on start scan line information indicating a start of the first area including scan lines of the plurality of scan lines, and end scan line information indicating an end of the first area.Type: GrantFiled: May 24, 2019Date of Patent: July 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ja Kyoung Jin, Tae Jin Kim
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Patent number: 11691080Abstract: Virtual entities are displayed alongside real world entities in a wearable reality overlay device worn by the user. Information related to an environment proximate to the wearable device is determined. For example, a position of the wearable device may be determined, a camera may capture an image of the environment, etc. Virtual entity image information representative of an entity desired to be virtually displayed is processed based on the determined information. An image of the entity is generated based on the processed image information as a non-transparent region of a lens of the wearable device, enabling the entity to appear to be present in the environment to the user. The image of the entity may conceal a real world entity that would otherwise be visible to the user through the wearable device. Other real world entities may be visible to the user through the wearable device.Type: GrantFiled: October 27, 2016Date of Patent: July 4, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chris Kalaboukis, Stephan Douris, Marc Perry, Barry Crane
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Patent number: 11663943Abstract: A driver circuit and a display panel. The driver circuit comprises a driver chip (100), a detection signal generation circuit (200), and a feedback circuit (300). The detection signal generation circuit (200) is used for generating a detection control signal for performing aging detection according to the received first voltage signal and second voltage signal. The feedback circuit (300) is used for generating a feedback voltage and outputting same to the driver chip (100) according to the detection control signal and an working voltage, so that the driver chip (100) adjusts the outputted working voltage to a voltage required for performing the aging detection according to the feedback voltage, so as to satisfy the requirement for the diversity of voltage required for the voltage for the aging detection in the process of aging detection.Type: GrantFiled: December 5, 2018Date of Patent: May 30, 2023Assignee: HKC CORPORATION LIMITEDInventor: Xiaoyu Huang
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Patent number: 11653451Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.Type: GrantFiled: February 18, 2019Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn
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Patent number: 11645983Abstract: The embodiments of the present application disclose a booster circuit and a driving method thereof, a backlight module and a display device. The booster circuit includes: a booster sub-circuit and an oscillation elimination sub-circuit; wherein the booster sub-circuit includes a power supply element, an inductor, and a first switch; the booster sub-circuit is configured to provide, at a connection node, a voltage higher than a voltage provided from the power supply element; and wherein a parasitic capacitance occurs between the connection node and a ground terminal; the oscillation elimination sub-circuit is configured to prevent a current generated when the parasitic capacitance discharges from flowing through the inductor so as to eliminate an oscillation generated between the parasitic capacitance and the inductor.Type: GrantFiled: October 11, 2019Date of Patent: May 9, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanwu Chen, Bo Xu
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Patent number: 11599219Abstract: A method performed by a device (e.g., touch controller) includes deriving a pen position, and transmitting a report indicating the derived pen position to a host computer. The report includes a first area storing position data indicating the derived position and a second area storing non-position data different from the position data. The method includes securing a buffer area for retaining a plurality of the reports in a memory, deriving the pen position at each determined scanning time, and generating a report including the position data indicating the derived position. The method includes storing the report in the buffer area and, in response to obtaining the non-position data, writing the non-position data in the second area of each of one or more of the reports stored in the buffer area. The method includes transmitting the plurality of the reports stored in the buffer area to the host computer.Type: GrantFiled: July 30, 2020Date of Patent: March 7, 2023Assignee: Wacom Co., Ltd.Inventors: Sadao Yamamoto, Yoshio Nomura
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Patent number: 11600224Abstract: The present disclosure relates to the field of display technology, and proposes a gate driving circuit and a driving method thereof, and a display panel. The gate driving circuit includes a plurality of cascaded shift register units and switch unit groups. Each of the shift register units and at least one row of pixel units are correspondingly arranged; and switch unit group are arranged between at least a part of adjacent two shift register units. The switch unit group includes a first switch unit and a second switch unit.Type: GrantFiled: March 27, 2020Date of Patent: March 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiao Bai, Shengji Yang, Pengcheng Lu
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Patent number: 11574588Abstract: The present disclosure provides a pixel driving circuit including a driving transistor, a capacitor and a light emitting device, and further includes: a first reset module; a data writing module; a threshold compensation module including a compensation transistor; a light emitting control module configured to disconnect the first power terminal from the first electrode of the driving transistor and disconnect the second electrode of the driving transistor from the light emitting device in the data writing phase and the reset phase; and to enable the first power terminal and the first electrode of the driving transistor to be electrically connected to each other and enable the second electrode of the driving transistor and the light emitting device to be electrically connected to each other in a light emitting phase; the compensation transistor is an oxide transistor, and the driving transistor is a low temperature poly-silicon transistor.Type: GrantFiled: June 15, 2020Date of Patent: February 7, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Shaoru Li, Rui Wang, Ni Yang
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Patent number: 11538428Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.Type: GrantFiled: March 1, 2019Date of Patent: December 27, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Shuai Chen, Xiuzhu Tang, Hailong Wu, Jianfeng Yuan, Zhi Zhang, Xuebo Liang, Qian Wang, Qiyuan Wei, Qi Li
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Patent number: 11531389Abstract: A system may include a wearable dimensioned to be donned by a user of an artificial reality system. The system may also include an energy measuring device incorporated into the wearable. The energy measuring device may measure an electrical energy differential between a body of the user and a surface. The system may further include at least one processing device communicatively coupled to the energy measuring device. The processing device may detect, based at least in part on the electrical energy differential measured by the energy measuring device, an interaction between the user and the surface. In response to this detection, the processing device may generate an input command for the artificial reality system based at least in part on the interaction detected between the user and the surface. Various other systems and methods are also disclosed.Type: GrantFiled: January 29, 2021Date of Patent: December 20, 2022Assignee: Meta Platforms Technologies, LLCInventors: Eric Whitmire, Wolf Kienzle, David R Perek, Hrvoje Benko
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Patent number: 11514871Abstract: It is an object to suppress deterioration of characteristics of a transistor in a driver circuit. A first switch for controlling whether to set a potential state of an output signal by being turned on and off in accordance with the first input signal, and a second switch for controlling whether to set a potential state of an output signal by being turned on and off in accordance with the second input signal are included. A first wiring and a second wiring are brought into electrical continuity by turning on and off the first switch or the second switch.Type: GrantFiled: March 25, 2021Date of Patent: November 29, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hajime Kimura, Atsushi Umezaki
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Patent number: 11514864Abstract: A display device includes a display panel including a plurality of pixels connected to data lines and sensing lines, a data driver including a plurality of buffer amplifiers which supplies a first sensing voltage to the data lines during a first sensing period and a sensor which receives a first sensing signal from the pixels through the sensing lines during the first sensing period, and a global amplifier which supplies a second sensing voltage to the data lines during a second sensing period different from the first sensing period. The sensor receives a second sensing signal corresponding to the second sensing voltage from the pixels through the sensing lines during the second sensing period, and generates compensation data based on a difference value between the first sensing signal and the second sensing signal.Type: GrantFiled: February 25, 2021Date of Patent: November 29, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Tae Kim, Myeong Su Kim, Bo Yeon Kim, Jae Han Lee, Whee Won Lee
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Patent number: 11507205Abstract: Systems and methods are disclosed for a smart mouse that may include transmitting, by the mechanical switch of the smart mouse, a signal to a microcontroller unit of the smart mouse in response to a movement of the smart mouse caused by a user, the movement causing the mechanical switch to be in a closed position, the signal indicating that the mechanical switch is in the closed position; receiving, by the microcontroller unit, the signal indicating that the mechanical switch is in the closed position; and in response to receiving the signal: causing, by a power switch of the smart mouse, at least one battery of the smart mouse to provide power to an optical unit of the smart mouse, the provided power causing the optical unit to be in an on state, the on state of the optical unit causing the smart mouse to be electrically enabled for use.Type: GrantFiled: September 21, 2021Date of Patent: November 22, 2022Assignee: Dell Products L.P.Inventors: Karthikeyan Krishnakumar, John Trevor Morrison
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Patent number: 11500470Abstract: A helmet includes a transceiver configured to receive vehicle data from one or more sensors located on a vehicle, an inertial measurement unit (IMU) configured to collect helmet motion data of the helmet associated with a rider of the vehicle, and a processor in communication with the transceiver and IMU, and programmed to receive, via the transceiver, vehicle data from the one or more sensors located on the vehicle, determine a gesture in response to the vehicle data from the one or more sensors located on the vehicle and the helmet motion data from the IMU, and output on a display of the helmet a status interface related to the vehicle, in response to the gesture.Type: GrantFiled: December 23, 2019Date of Patent: November 15, 2022Inventors: Benzun Pious Wisely Babu, Zeng Dai, Shabnam Ghaffarzadegan, Liu Ren
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Patent number: 11455946Abstract: A display device includes a plurality of light emitting diodes and a plurality of pixel driver circuits for driving the plurality of light emitting diodes; a panel driver including a plurality of driver integrated circuits (ICs) and a first switching element; a timing controller including a second switching element; and a signal transmission line connecting the first switching element and the second switching element. The timing controller is configured to control the first switching element and the second switching element to transmit an image data signal from the timing controller to the panel driver through the signal transmission line during a first time period, and control the first switching element and the second switching element to receive a state data signal of the display panel from the panel driver through the signal transmission line during a second time period different from the first time period.Type: GrantFiled: April 7, 2021Date of Patent: September 27, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Byeongcheol Hyeon
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Patent number: 11436961Abstract: A shift register and a method of driving the same, a gate driving circuit, and a display panel are disclosed. The shift register includes a display control circuit coupled to a pull-up node, a first power supply and a first control terminal respectively; a cascade output circuit coupled to a second clock terminal, the pull-up node and a cascade output terminal; a sensing control circuit coupled to the pull-up node, the cascade output terminal, a second control terminal and a third control terminal respectively; and a signal output circuit coupled to the pull-up node, a first clock terminal and a signal output terminal.Type: GrantFiled: August 28, 2020Date of Patent: September 6, 2022Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xuehuan Feng, Yongqian Li
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Patent number: 11392216Abstract: The invention discloses a retractable computer keyboard with a hand-painted board and a using method thereof, comprising a support plate, a soft silicone keyboard and a coil spring strip, wherein the kickstand pad is provided with a hand-painted screen with a telescopic a switch, a power indicator is arranged under the telescopic switch, a circuit board is arranged in the kickstand pad, a MCU is arranged on the circuit board, an air pump is arranged on one side of the single chip, and a tee pipe is arranged under the air pump, the aerating tube is arranged under the tee pipe, and the fixing board is provided with a fixing groove with aerifours orifices. The utility model has the advantages such as speeding up of the keyboard unfolding, reducing the space occupation and the overall thickness of the soft silicone keyboard and convenient for storage.Type: GrantFiled: September 18, 2018Date of Patent: July 19, 2022Assignee: ALPINE ALA TECHNOLOGIES OF SHANGHAI CO., LTD.Inventor: Lianhui Zhou
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Patent number: 11380374Abstract: Embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. The shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. By providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.Type: GrantFiled: July 2, 2019Date of Patent: July 5, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Guangliang Shang, Xinshe Yin, Qian Yang, Libin Liu, Shiming Shi, Dawei Wang
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Patent number: 11348515Abstract: A pixel compensation method, a pixel compensation device and a display device. The pixel compensation method includes: generating, according to grayscale data and compensation value of a sub-pixel in a current detection period, a source voltage signal to control light-emitting brightness of the sub-pixel; generating a sensing value according to the light-emitting brightness of the sub-pixel; and determining a compensation value of the sub-pixel in next detection period, according to the grayscale data, the compensation value, and the sensing value of the sub-pixel in the current detection period.Type: GrantFiled: January 8, 2020Date of Patent: May 31, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei Yang, Mingi Chu