Patents Examined by Sujit Shah
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Patent number: 11961448Abstract: A display device includes a display panel including pixels, and a display panel driver configured to drive the display panel. The display panel driver is configured to determine a predicted on-pixel ratio of a current frame based on an artificial neural network model and input image data of a previous frame, determine a first adjustment value based on the predicted on-pixel ratio, and adjust a luminance of the current frame based on the first adjustment value.Type: GrantFiled: September 28, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hakgyu Kim
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Patent number: 11955054Abstract: A device may include a display that display an image frame that is divided into adjustable regions having respective resolutions based on compensated image data. The device may also include image processing circuitry to generate the compensated image data by applying gains that compensate for burn-in related aging of pixels of the display. The gains are based on an aggregation of history updates indicative of estimated amounts of aging associated with pixel utilization. The circuitry may generate a history update by obtaining boundary data indicative of the boundaries between the adjustable regions, determining an estimated amount of aging, and dynamically resampling the estimated amount of aging by resampling a portion of the estimated amount of aging corresponding to an adjustable region by a factor and resampling of a different portion of the estimated amount of aging corresponding to another adjustable region by a different factor based on the boundary data.Type: GrantFiled: September 20, 2022Date of Patent: April 9, 2024Assignee: Apple Inc.Inventors: Jim C Chou, Shereef Shehata, Yung-Chin Chen
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Patent number: 11934229Abstract: According to the present disclosure an electronic device is disclosed comprising: a housing including a front surface, a rear surface facing the direction opposite to the front surface, and a side surface encompassing the space between the front surface and the rear surface; a display included in the housing and visible to the outside of the electronic device through the front surface; an optical sensor positioned between the display and the rear surface overlapping at least one region of the display when viewed from above the front surface, and including a light-emitting part and a light-receiving part; and a first partition positioned between the light-emitting part and the light-receiving part based on the electronic device having a first shape, and a second partition present between the light-emitting part and the light-receiving part based on the electronic device having a second shape transformed from the first shape, wherein a straight line connecting the light-emitting part and the light-receiving parType: GrantFiled: February 24, 2023Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jongah Kim, Heewoong Yoon, Kihyuk Lee, Donghan Lee, Jeongho Cho, Gwangho Choi
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Patent number: 11914916Abstract: According to various embodiments, disclosed is an electronic device comprising: a first housing, a second housing, a hinge structure comprising a hinge, at least one display, a sensing circuit, and a processor, wherein the processor is configured to: control the display to display, on a first display area, a first execution screen according to execution of a first application; monitor whether an event related to a second application has occurred, while the first execution screen is displayed on the first display area; and control the display to display, in response to at least one of a folding operation sensed through the sensing circuit based on occurrence of the event or a rotating operation of the electronic device, identified from a physical movement based on occurrence of the event, a second execution screen related to the event on the second display area while the first application is being executed.Type: GrantFiled: October 26, 2022Date of Patent: February 27, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Seungeun Lee, Hyewon Seo, Minseok Kang, Nanhee Kim, Seungnyun Kim, Yongsang Yun, Youngchan Cho
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Patent number: 11875758Abstract: A pixel drive circuit, which includes: a first thin film transistor, a first unidirectional conduction switch, a second thin film transistor, a second unidirectional conduction switch, and a pixel capacitor; and the first thin film transistor includes: a first gate electrode, a first source electrode, and a first drain electrode; the first gate electrode being connected with a n-th scan line, the first source electrode being connected with a m-th scan line, and the first drain electrode being connected with the pixel capacitor, and the n and m are positive integers; the second thin film transistor includes: a second gate electrode, a second source electrode, and a second drain electrode; the second gate electrode being connected with a (n?1)-th scan line, the second source electrode being connected with the pixel capacitor, and the second drain electrode being grounded.Type: GrantFiled: December 20, 2022Date of Patent: January 16, 2024Assignee: HKC CORPORATION LIMITEDInventors: Guangchen Zhang, Yunyang Liu, Tingting Shen, Li Lv, Yuchun Xu, Zhiwei Li, Baohong Kang
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Patent number: 11875740Abstract: A display device includes a display panel including a plurality of pixels and partitioned into a plurality of blocks including at least one of the pixels, a timing controller configured to receive input image data from an outside source and generate scaled image data by scaling the input image data using a scale factor, a data driver configured to generate a data signal corresponding to the scaled image data and supply the data signal to the pixels, and a logic circuit configured to generate the scale factor based on the input image data, first weight data, and second weight data different from the first weight data.Type: GrantFiled: December 30, 2021Date of Patent: January 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Hee Sook Park
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Patent number: 11869457Abstract: The present disclosure provides a synchronous display method of a spliced screen, a display system, an electronic device and a computer readable medium. The spliced screen includes display screens spliced together, and the display method is based on wireless communication and includes: sending control information to the spliced screen for N times at intervals so as to control the display screens to display simultaneously, where N is not less than 2 and is an integer, the control information sent for previous N?1 times includes first information and second information, the control information sent for an Nth time at least includes the second information, the first information is configured for controlling the display screen receiving the control information to turn off a receiving component of the display screen, the second information is configured for controlling the display screen receiving the control information to display after a preset time duration.Type: GrantFiled: November 3, 2020Date of Patent: January 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Genyu Liu, Tao Li, Xingqun Jiang, Chao Yu, Quanzhong Wang
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Patent number: 11854484Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit of the present disclosure includes: a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node; a first switch element configured to supply a data voltage of pixel data to a fourth node in response to a scan pulse; a second switch element configured to supply an initialization voltage to the second node in response to a first initialization pulse; a third switch element configured to supply a reference voltage lower than the initialization voltage to the third node in response to a sensing pulse; and a fourth switch element configured to supply the reference voltage to the fourth node in response to a second initialization pulse.Type: GrantFiled: August 30, 2022Date of Patent: December 26, 2023Assignee: LG Display Co., Ltd.Inventors: Ki Min Son, Chang Hee Kim
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Patent number: 11823627Abstract: A display device includes: a display panel including a display area including pixels and a non-display area including a dummy pixel; a scan driver which supplies a scan signal to the display panel; a data driver which supplies a data signal to the display panel; and a timing controller which supplies a first control signal for controlling the scan driver and a second control signal for controlling the data driver. The dummy pixel is connected to a bad pixel among the pixels in the display area through a repair line, and a connection of the dummy pixel to the repair line is cut off in an initialization phase in which a voltage of an initialization power source is supplied.Type: GrantFiled: March 22, 2022Date of Patent: November 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyong Tae Park, Sung Jun Kim, Jun Yeong Seol, Jae Bok Lee
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Patent number: 11822758Abstract: A sense unit for inductive sensing or capacitive sensing is described. The sense unit may include a first terminal coupled to a first node, a first electrode coupled to the first node, and a second terminal. The sense unit may include a second electrode coupled to the second terminal. In a first mode, a first signal is received at the first terminal and a second signal is output on the second terminal, where the second signal may be representative of a capacitance of the sense unit. The sense unit may include an inductive coil. The sense unit may include a first capacitor. The inductive coil and the first capacitor are coupled in parallel between the first node and ground. In a second mode, a third signal is received at the first terminal and a fourth signal is output on the second terminal.Type: GrantFiled: November 23, 2021Date of Patent: November 21, 2023Assignee: Cypress Semiconductor CorporationInventors: Markus Unseld, Cathal O'Lionaird, Paul Walsh, Oleksandr Hoshtanar
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Patent number: 11817043Abstract: A display device includes: a light emitting element; a first driving transistor between a first node and the light emitting element; a second driving transistor between the first node and the light emitting element; a switching transistor between a data line and the first node; a first compensation transistor between a first control electrode of the first driving transistor and a second node, and configured to receive a first compensation scan signal; a second compensation transistor between a second control electrode of the second driving transistor and the second node, and configured to receive a second compensation scan signal; a first initialization transistor between the first control electrode of the first driving transistor and a first initialization voltage line; and a second initialization transistor between the second control electrode of the second driving transistor and a second initialization voltage line.Type: GrantFiled: October 31, 2022Date of Patent: November 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yongsung Park, Jieun Choi
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Patent number: 11798465Abstract: A display device includes a pixel including a first transistor connected between a first node and a second node, an emission driver supplying an emission control signal to an emission control line, a scan driver supplying first to fourth scan signals respectively to first to fourth scan lines, and a data driver supplying a data signal to a data line. The first scan signal controls a timing at which a voltage of a first power source is supplied to the first node, the second scan signal controls a timing at which the second node and a gate electrode of the first transistor are connected to each other, and the third scan signal controls a timing at which a voltage of a second power source is supplied to the gate electrode of the first transistor. The second scan signal overlaps the first scan signal and the third scan signal.Type: GrantFiled: September 30, 2022Date of Patent: October 24, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hwi Kim, Jin Jeon
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Patent number: 11798472Abstract: Provided is a pixel circuit, a display panel, and a display device. The pixel circuit includes a light-emitting unit, a drive unit, and a control unit. A first light-emitting element and a second light-emitting element of the light-emitting unit are electrically connected with the control unit simultaneously. The drive unit is configured to send a data signal to the light-emitting unit to drive the same to emit light.Type: GrantFiled: June 14, 2023Date of Patent: October 24, 2023Assignee: HKC CORPORATION LIMITEDInventors: Xueqiang Ning, Jianlei Li, Peidi Huang, Jie Chen, Kelin Li, Tao Gu, Haijiang Yuan
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Patent number: 11782534Abstract: A stylus includes a pen-tip; a sensor; and a processor operable to: operate in a lower-power mode and a higher-power mode; detect, with the sensor, a defined frequency or a defined range of frequencies indicating shaking of the stylus; and transition from the lower-power mode to the higher-power mode in response to the detection of the defined frequency or the defined range of frequencies. The processor is prevented from transitioning from the lower-power mode to the higher-power mode in response to detection of a frequency other than the defined frequency and a range of frequencies other than the defined range of frequencies. The processor, in response to a relative motion between the stylus and a device in communication with the stylus, process both a device signal representative of the relative motion and a stylus signal representative of the detection of the defined frequency or the defined range of frequencies.Type: GrantFiled: April 26, 2022Date of Patent: October 10, 2023Assignee: Wacom Co., Ltd.Inventors: Esat Yilmaz, Vemund Kval Bakken, Kishore Sundara-Rajan
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Patent number: 11776500Abstract: Multiple adjustment capacitors corresponding to multiple source bus lines on a one-to-one correspondence basis are arranged. Each adjustment capacitor includes a first electrode supplied with an adjustment signal and a second electrode connected to the source bus line. The adjustment capacitors are divided into multiple groups. An adjustment signal having a amplitude different from group to group is supplied to the adjustment capacitor. A potential of the adjustment signal is raised after a liquid-crystal capacitor is charged in a pixel formation region including a thin-film transistor (TFT) that is turned on with a gate driver causing a scanning signal to rise and before the gate driver causes the scanning signal to fall.Type: GrantFiled: September 2, 2022Date of Patent: October 3, 2023Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventor: Osamu Sasaki
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Patent number: 11769432Abstract: An organic light emitting display device includes an organic light emitting display panel including a plurality of sub pixels, a touch panel on the organic light emitting display panel, a support member disposed below the organic light emitting display panel and formed of a metal material, a first flexible circuit film disposed on one side of the organic light emitting display panel and configured to be bent to a bottom surface of the support member, a second flexible circuit film disposed on one side of the touch panel and configured to be bent to the bottom surface of the support member, and a third flexible circuit film disposed on one side of the organic light emitting display panel and configured to be bent to the bottom surface of the support member to stabilize a low potential voltage.Type: GrantFiled: October 14, 2021Date of Patent: September 26, 2023Assignee: LG DISPLAY CO., LTD.Inventors: ChangSeok Oh, Juhyun Yoon, Yunjong Choi
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Patent number: 11740659Abstract: An electronic device includes: a display panel including a first display area at a first area, and a second display area at a second area; a plurality of first patch antennas in the first area; a plurality of second patch antennas in the second area; a display driving unit to drive the display panel; a radio frequency (RF) driving unit to drive the first and the second patch antennas; and a main processor to control the display driving unit and the RF driving unit to perform wireless data communication by using the first or the second patch antennas in a first mode in which an image is displayed through the first or second display areas, and to perform wireless data communication by using the first and the second patch antennas in a second mode in which an image is displayed through the first and second display areas.Type: GrantFiled: August 25, 2020Date of Patent: August 29, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dale Yim, Hosuk Maeng
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Patent number: 11715438Abstract: A display device that achieves both high-accuracy sensing by a touch sensor unit and smooth input using the touch sensor unit is provided. The display device includes a display unit and the touch sensor unit. The touch sensor unit performs touch sensing operation at a different timing from display image rewriting by the display unit, whereby the high-accuracy sensing can be achieved. The display unit has a function of rewriting a display image only in a region that needs to be rewritten. In the case where the entire display region is not necessarily rewritten, the time for the sensing operation by the touch sensor unit can be lengthened, whereby the smooth input can be achieved.Type: GrantFiled: June 9, 2022Date of Patent: August 1, 2023Inventors: Susumu Kawashima, Kouhei Toyotaka, Kei Takahashi
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Patent number: 11705047Abstract: A shift-register unit includes a first circuit including a first input circuit coupled via a first node to a first output circuit, and a second circuit including a second input circuit coupled via a second node to a second output circuit. The first input circuit is configured to control a voltage level of the first node in response to a first input signal. The first output circuit is configured to output a shift-register signal and a first output signal in response to the voltage level of the first node. The second input circuit is configured to control a voltage level of the second node in response to the first input signal. The second output circuit is configured to output a second output signal in response to the voltage level of the second node. The first input circuit and the second input circuit have a same circuit structure.Type: GrantFiled: April 14, 2022Date of Patent: July 18, 2023Assignees: BOE Technology Group Co., Ltd., Hefei BOE Joint Technology Co., Ltd.Inventors: Xuehuan Feng, Yongqian Li, Xing Zhang
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Patent number: 11699414Abstract: An electronic device includes a first housing including a first face, and a second face opposite the first face; a second housing including a third face, and a fourth face opposite the third face; a hinge connecting the first housing and the second house, wherein the second housing folds about the hinge to face the first housing; a flexible display extending from the first face to the third face; a sensor circuit configured to sense an angle formed by the first housing and the second housing folding at the hinge; and a processor operatively connected to the flexible display and the sensor circuit. The processor is configured to detect a physical state of the first housing and the second housing based on the sensor circuit, and re-execute a currently executed application, when the detected physical state changes.Type: GrantFiled: February 19, 2020Date of Patent: July 11, 2023Inventors: Sukjae Lee, Jinkyo Chung, Yong Kwon