Including Impedance Detection Patents (Class 345/174)
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Patent number: 11594196Abstract: A display device includes a display panel including a plurality of pixels which are connected to a plurality of gate lines and a plurality of data lines and display a plurality of consecutive frames of images, a data driver driving the data lines, a gate driver driving the gate lines, a clock generator outputting a gate clock signal, which drives the gate driver and swings between a gate-on voltage and a gate-off voltage, and a signal controller outputting a gate pulse signal which drives the clock generator and a data control signal which controls the data driver. The clock generator includes a voltage maintainer maintaining the gate clock signal at a reference voltage that has a fixed value between the gate-on voltage and the gate-off voltage for a predetermined time.Type: GrantFiled: December 23, 2020Date of Patent: February 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Beom Cho, Hee Bum Park, Dae Sik Lee, Song Yi Han
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Patent number: 11594170Abstract: A micro light-emitting diode (LED) display panel is provided. The micro LED display panel includes a substrate and a driving layer. The driving layer is disposed on the substrate. The driving layer includes a micro LED and a photo sensor. When the micro LED emits light to a finger of a user, the photo sensor generates a sensing signal.Type: GrantFiled: July 13, 2020Date of Patent: February 28, 2023Assignee: VISERA TECHNOLOGIES COMPANY LIMITEDInventors: Chin-Chuan Hsieh, Hsin-Wei Mao
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Patent number: 11592949Abstract: The touch panel built-in display includes a first electrode, a second electrode, and a third electrode for detecting the pressed state in which the protective plate is pressed. The first electrode is provided in the peripheral region on the back surface of the protective plate. The second and third electrodes are provided adjacent to each other in the peripheral region on the principal surface of the sensor substrate. That is, the first electrode, the second electrode, and the third electrode are provided in the peripheral region as a configuration for detecting the pressed state.Type: GrantFiled: November 13, 2020Date of Patent: February 28, 2023Assignee: Mitsubishi Electric CorporationInventors: Takafumi Hashiguchi, Tatsuya Nakamura, Yusuke Shimasaki, Takeshi Ono
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Patent number: 11592978Abstract: A touch sensor system includes touch sensors, drive-sense circuits (DSCs), memory, and a processing module. A DSC drives a first signal via a single line coupling to a touch sensor and simultaneously senses, when present, a second signal that is uniquely associated with a user. The DSC processes the first signal and/or the second signal to generate a digital signal that is representative of an electrical characteristic of the touch sensor. The processing module executes operational instructions (stored in the memory) to process the digital signal to detect interaction of the user with the touch sensor and to determine whether the interaction of the user with the touch sensor compares favorably with authorization. When not authorized, the processing module aborts execution of operation(s) associated with the interaction of the user with the touch sensor. Alternatively, when authorized, the processing module facilitates execution of the operation(s).Type: GrantFiled: January 27, 2022Date of Patent: February 28, 2023Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
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Patent number: 11592942Abstract: Systems and methods for determining a touch input are provided. The systems and methods generally include measuring the peak voltage at an electrode over a measurement period and determining a touch input based on the peak voltage. The systems and methods can conserve computing resources by deferring digital signal processing until after a peak electrode capacitance has been sampled. The systems and methods are suitable for capacitive sensors using self-capacitance and capacitive sensors using mutual capacitance. The systems and methods are also suitable for capacitive buttons, track pads, and touch screens, among other implementations.Type: GrantFiled: August 12, 2021Date of Patent: February 28, 2023Assignee: ALSENTIS, LLCInventor: David W. Caldwell
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Patent number: 11589755Abstract: An apparatus for estimating bio-information includes: a sensor part configured to obtain contact pressure of a contact surface contacted by an object, and configured to obtain a contact image of the object that contacts the contact surface; and a processor configured to obtain a pulse wave signal of a region of interest based on the contact image, and configured to estimate bio-information based on the obtained pulse wave signal and the contact pressure.Type: GrantFiled: May 17, 2019Date of Patent: February 28, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Min Kang, Yong Joo Kwon, Youn Ho Kim, Sang Yun Park
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Patent number: 11594705Abstract: A display apparatus may prevent a thin-film encapsulation layer and a substrate or a thin-film encapsulation layer and a buffer layer from being separated from each other when a base layer and the substrate are cut. A display apparatus may include a display panel including a substrate, a display layer on the substrate, and a thin-film encapsulation layer covering the display layer; an input sensing member including a base layer facing the substrate of the display panel, and sensing electrodes above the base layer; and a resin layer between the thin-film encapsulation layer and the base layer, and an end of the thin-film encapsulation layer protrudes from the resin layer toward an end of the substrate.Type: GrantFiled: January 6, 2020Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Hwang, Youngmin Kim, Kitaek Jeong, Haeri Choi, Dongwon Han
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Patent number: 11592943Abstract: Systems and methods for determining a touch input are provided. The systems and methods generally include measuring the peak voltage at an electrode over a measurement period and determining a touch input based on the peak voltage. The systems and methods can conserve computing resources by deferring digital signal processing until after a peak electrode capacitance has been sampled. The systems and methods are suitable for capacitive sensors using self-capacitance and capacitive sensors using mutual capacitance. The systems and methods are also suitable for capacitive buttons, track pads, and touch screens, among other implementations.Type: GrantFiled: August 12, 2021Date of Patent: February 28, 2023Assignee: ALSENTIS, LLCInventor: David W. Caldwell
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Patent number: 11586309Abstract: A touch screen display includes a display, a video graphics processing module, electrodes integrated into at least a portion of the display, and drive-sense circuits coupled to the electrodes. The drive-sense circuits, when enabled and concurrent with the display rendering frames of data into the visible images, detect changes in electrical characteristics of electrodes. At least some drive-sense circuits monitor sensor signals on at least some electrodes. A sensor signal includes a drive signal component and a receive signal component. The at least some drive-sense circuits generate the drive signal components of the sensor signals. The receive signal component is a representation of a change in an electrical characteristic of an electrode of the at least some electrodes when a corresponding drive signal component is applied to the electrode. The change in the electrical characteristic of the electrode is indicative of a proximal touch to the touch screen display.Type: GrantFiled: January 26, 2021Date of Patent: February 21, 2023Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
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Patent number: 11586330Abstract: A touch sensing module includes: a first sensing coil and a second sensing coil, each having inductance varying in response to an applied force touch; a first pad having capacitance varying in response to an applied contact touch, disposed closer to the second sensing coil than to the first sensing coil, and electrically connected to the first sensing coil to constitute a first resonance circuit; and a second pad having capacitance varying in response to the applied contact touch, disposed closer to the first sensing coil than to the second sensing coil, and electrically connected to the second sensing coil to constitute a second resonance circuit.Type: GrantFiled: January 6, 2021Date of Patent: February 21, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Yun Kim, Gye Won Lee
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Patent number: 11588004Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.Type: GrantFiled: January 25, 2021Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yong-Cheol Jeong, Seung-Wook Nam, So-Yeon Han, Kyu-Young Kim, Ah-Young Kim, Gui-Nam Min, Kyu-Taek Lee
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Patent number: 11586319Abstract: A display device includes: a display panel configured to display an image; an input sensor on the display panel; an approach sensing electrode arranged around the input sensor; and a sensor controller connected to the input sensor and the approach sensing electrode, wherein the sensor controller is configured to drive the input sensor in a first driving mode during a first input sensing frame and to drive the input sensor in a second driving mode during a second input sensing frame, and the sensor controller is further configured to provide an uplink signal to the approach sensing electrode in response to the input sensor operating in the first or second driving mode.Type: GrantFiled: March 19, 2021Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yongsub So, Yun A Ma, Mi-Hee Son
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Patent number: 11585715Abstract: Devices, systems and methods for calibrating a deformable sensor are disclosed herein. A calibration device for calibrating a deformable sensor includes a frame, at least one actuator supported by the frame, where the at least one actuator comprises a drive mechanism operatively coupled to a probe portion, and an electronic control unit communicatively coupled to the drive mechanism of the at least one actuator. The electronic control unit is configured to cause the drive mechanism to move the probe portion a predetermined position to form a predetermined contact surface defined by an end of the probe portion of the actuator.Type: GrantFiled: March 31, 2020Date of Patent: February 21, 2023Assignee: TOYOTA RESEARCH INSTITUTE, INC.Inventors: Alexander Alspach, Naveen Suresh Kuppuswamy, Avinash Uttamchandani
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Patent number: 11586321Abstract: An electronic device with fingerprint sensing function including a fingerprint sensing array, multiple fingerprint sensing signal readout lines, multiple touch driving lines, a touch driving circuit, and a read circuit is provided. The fingerprint sensing array includes multiple fingerprint sensing units arranged in array. The fingerprint sensing signal readout lines are respectively coupled to a column of fingerprint sensing units of the fingerprint sensing array. The touch driving lines are respectively interleaved with the fingerprint sensing signal readout lines. The touch driving circuit is coupled to the touch driving lines, and provides multiple touch driving signals to the touch driving lines. The read circuit is coupled to the fingerprint sensing signal readout lines. In response to the touch driving lines outputting the touch driving signals, the read circuit determines a touch position of a touch object based on multiple read signals output by the fingerprint sensing signal readout lines.Type: GrantFiled: March 11, 2020Date of Patent: February 21, 2023Assignee: Egis Technology Inc.Inventors: Chung-Yi Wang, Yu-Hsuan Lin
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Patent number: 11579729Abstract: A display device includes a display panel, an input sensor, and a readout circuit. The display panel is configured to display an image. The input sensor is disposed on the display panel. The readout circuit is configured to output a moisture level signal corresponding to sensing signals received from the input sensor in a skin measurement mode.Type: GrantFiled: June 24, 2021Date of Patent: February 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Boram Choi, Soojung Lee, Yuna Kim, Seungwook Chun
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Patent number: 11579739Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.Type: GrantFiled: March 17, 2022Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyun Choi, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
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Patent number: 11582868Abstract: A printed wiring line formed on a substrate connects two different points on the substrate which are connectable by another printed wiring line with a shape of a straight-line segment and has a shape corresponding to at least one of: 1) a shape with no linear part parallel to the straight-line segment; 2) a shape with line segments connected in series, each line segment having a shape with no linear part parallel to the straight-line segment; 3) a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment, length of the part parallel to the straight-line segment being not more than length of the straight-line segment; and 4) a shape in which line segments are connected in series, each line segment having a shape having a part parallel to the straight-line segment and a part not parallel to the straight-line segment.Type: GrantFiled: October 2, 2020Date of Patent: February 14, 2023Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Yutaro Kogawa, Mitsunori Sato, Yutaka Takezawa, Akitoshi Sakaue, Mitsutoshi Naito
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Patent number: 11579723Abstract: A touch apparatus according to an exemplary embodiment of the present invention includes: a touch sensor; and a touch controller that operates in a resonance driving mode during which a first driving signal is output for generation of a resonance signal of a stylus pen to the touch sensor and an idle mode during which the driving signal output to the touch sensor is stopped, and obtains first touch coordinate information from a detection signal input from the touch sensor during the resonance driving mode.Type: GrantFiled: June 10, 2019Date of Patent: February 14, 2023Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim
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Patent number: 11579906Abstract: Embodiments of systems and methods for managing performance optimization of applications executed by an Information Handling System (IHS) are described. In an illustrative, non-limiting embodiment, a method may include: identifying, by an IHS, a first application; assigning a first score to the first application based upon: (i) a user's presence state, (ii) a foreground or background application state, (iii) a power adaptor state, and (iv) a hardware utilization state, detected during execution of the first application; identifying, by the IHS, a second application; assigning a second score to the second application based upon: (i) another user's presence state, (ii) another foreground or background application state, (iii) another power adaptor state, and (iv) another hardware utilization state, detected during execution of the second application; and prioritizing performance optimization of the first application over the second application in response to the first score being greater than the second score.Type: GrantFiled: September 4, 2019Date of Patent: February 14, 2023Assignee: Dell Products, L.P.Inventors: Nikhil Manohar Vichare, Vivek Viswanathan Iyer
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Patent number: 11573655Abstract: A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.Type: GrantFiled: February 11, 2021Date of Patent: February 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Ga Young Kim, Jung Mok Park, A Ra Jo
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Patent number: 11573651Abstract: An electronic device including an input sensing unit configured to sense an external input. The input sensing unit includes first electrodes including first patterns including normal patterns and notch patterns and first connection patterns connecting the first patterns, a second electrode, a first trace line connected to one of the normal patterns, and a connection trace line connected to at least two of the notch patterns.Type: GrantFiled: April 12, 2021Date of Patent: February 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jong-hwa Kim, Il-joo Kim, Duckjoong Kim, Kyungsu Lee
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Patent number: 11568818Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.Type: GrantFiled: May 27, 2022Date of Patent: January 31, 2023Inventors: Kwang-Min Kim, Seung-Kyu Lee, Won Kyu Kwak
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Patent number: 11567606Abstract: A method for touch detection includes, at a touch-sensitive device having a plurality of touch-sensing electrodes, driving a first subset of the plurality of touch-sensing electrodes with a drive signal having a first phase. A second subset of the plurality of touch-sensing electrodes are driven with a drive signal having a second phase, different from the first phase. Output signals for each of the plurality of touch-sensing electrodes are measured. For each touch-sensing electrode of the plurality of touch-sensing electrodes, a complex gradient is determined between the measured output signal for the touch-sensing electrode and the measured output signal for a neighboring touch-sensing electrode, the neighboring touch-sensing electrode driven with a different phase of a drive signal from the touch-sensing electrode. A location of a touch input is identified based at least in part on magnitudes of the determined complex gradients.Type: GrantFiled: May 31, 2022Date of Patent: January 31, 2023Assignee: Microsoft Technology Licensing, LLCInventor: Gilad Pundak
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Patent number: 11567605Abstract: A display device includes: a display panel and an input sensor disposed on the display panel and operable in a first mode and a second mode different from the first mode, wherein the input sensor may include a plurality of sensing electrodes, a plurality of sensing wirings electrically connected to the plurality of sensing electrodes, respectively, and a blocking part covering the plurality of sensing wirings. The blocking part is configured to be floated in the first mode and to receive a substantially constant voltage in the second mode.Type: GrantFiled: February 9, 2021Date of Patent: January 31, 2023Assignee: Samsung Display Co., LTD.Inventors: Hyun-Wook Cho, Min-Hong Kim, Taejoon Kim, Jungmok Park
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Patent number: 11567607Abstract: A display device includes a display panel including pixels, an active area on which an image is configured to be displayed, and a black matrix area on which an image is not configured to be displayed, touch sensor electrodes configured to detect a touch of an external object, the touch sensor electrodes disposed in the active area, and detection input electrodes configured to generate mutual capacitance with the touch sensor electrodes, the detection input electrodes disposed in an edge area of the display panel that overlaps the black matrix area.Type: GrantFiled: October 15, 2020Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Il Ho Lee, Seung-Hee Lee, Seoung Bum Pyoun, Young-Jin Kim
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Patent number: 11567601Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A force sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.Type: GrantFiled: October 5, 2021Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Ki Hong, Sung Kook Park, So Hee Park, Hee Seomoon, Young Seok Seo, Tae Hee Lee
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Patent number: 11567619Abstract: An electronic device, includes: a sensor layer detecting a touch input and an input-device input; and a sensor control circuit providing the sensor layer with a signal and receiving a detection signal from the sensor layer, wherein the sensor layer includes: a first electrode extending along a first direction; a second electrode extending along the first direction; a first cross electrode extending along a second direction intersecting the first direction; and a second cross electrode extending along the second direction, wherein the sensor control circuit detects the touch input based on a variation in mutual capacitance between the first electrode and the first cross electrode, and the sensor control circuit detects the input-device input based on a variation in capacitance of at least one selected from the first electrode, the second electrode, the first cross electrode, and the second cross electrode.Type: GrantFiled: April 12, 2021Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Suyul Seo, Jaseung Ku, Suin Kim, Jongin Baek, Gi-Na Yoo, Jaeik Lim
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Patent number: 11567656Abstract: Disclosed herein is an information processing device including a contact detection unit configured to detect a contact operation for an operation surface, an approach detection unit configured to detect an approach operation for the operation surface, and a control unit configured to recognize the contact operation and the approach operation as a series of operation inputs when the contact operation and the approach operation are continuously detected.Type: GrantFiled: October 4, 2021Date of Patent: January 31, 2023Inventors: Yusuke Miyazawa, Fuminori Homma
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Patent number: 11567613Abstract: Some embodiments of the present disclosure provide a signal processing system, a chip and an active stylus. The signal processing system includes: a pre-amplifier circuit, configured to pre-amplify a received DSSS signal and output a pre-amplified DSSS signal; a low-pass filter circuit, configured to filter the pre-amplified DSSS signal and output a filtered DSSS signal; an analog-to-digital converter circuit, configured to sample the filtered DSSS signal and output a sampled DSSS signal; a noise detecting and filtering-out circuit, configured to filter out a noise in the sampled DSSS signal and output a noise-filtered DSSS signal; and a digital demodulation circuit, configured to demodulate the noise-filtered DSSS signal to output a demodulated signal. The signal processing system can have strong anti-interference ability and high sensitivity through the noise detecting and filtering-out circuit and automatically controlling a gain of the pre-amplifier circuit.Type: GrantFiled: September 30, 2020Date of Patent: January 31, 2023Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.Inventors: Guanjun Zhang, Shibo Li, Feipeng Jiang
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Patent number: 11561664Abstract: A touch display panel and a touch display device are provided, relate to the field of display technology. In an embodiment, the touch display panel includes a plurality of first touch electrode units and a plurality of second touch electrode units. In an embodiment, each of the first touch electrode units includes first touch electrodes and first connection portions alternately arranged in a first direction. In an embodiment, each of the first touch electrodes includes at least one first touch electrode sub-unit that includes a plurality of first electrode sub-groups. In an embodiment, each of the first electrode sub-groups includes at least one first sub-electrode. In an embodiment, in each of the at least one first touch electrode sub-unit, the first sub-electrodes of two adjacent first electrode sub-groups have gradually increasing lengths and gradually decreasing widths in a direction from one of the first connection portions closest to the first touch electrode sub-unit to the first touch electrode.Type: GrantFiled: November 18, 2021Date of Patent: January 24, 2023Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Qibing Wei, Min Chen, Xinzhao Liu
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Patent number: 11563501Abstract: According to various embodiments, an electronic device may comprise: a communication circuit which comprises a first antenna component and a second antenna component to determine a first value through the first antenna component and determine a second value through the second antenna component; a processor; and at least one memory, wherein the at least one memory has instructions stored therein which cause, when executed, the processor to: determine whether a first module disposed in the vicinity of the first antenna component has started operating; compensatively adjust a first value obtained during the operation of the first module, by using a first value obtained before the operation of the first module or a second value obtained during the operation of the first module, in response to the determination as to whether the first module has started operating; and operate the communication circuit according to a first value obtained by the compensation, wherein the first value obtained during the operation ofType: GrantFiled: November 5, 2019Date of Patent: January 24, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Hyunsoo Kim, Myungjin Kang, Hyungjoon Yu, Jongho Park, Seonghyeon Lee
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Patent number: 11561638Abstract: There is provided a touch force sensor including a first drive electrode, a second drive electrode and a receiving electrode. The first drive electrode is used to form a first capacitance with the receiving electrode. The second drive electrode is used to form a second capacitance with the receiving electrode. The receiving electrode shields the first drive electrode such that when a conductor approaches the receiving electrode, only the second capacitance is changed but the first capacitance is not changed. The first capacitance is changed only when the conductor gives a force upon the receiving electrode.Type: GrantFiled: May 10, 2021Date of Patent: January 24, 2023Assignee: PIXART IMAGING INC.Inventor: Chi-Chieh Liao
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Patent number: 11561647Abstract: A touch sensor panel is disclosed. In some examples, the touch sensor panel comprises a plurality of touch node electrodes. In some examples, the touch sensor panel comprises a touch controller configured to drive and sense the plurality of touch node electrodes in a fully bootstrapped configuration to obtain a fully bootstrapped touch image, drive and sense the plurality of touch node electrodes in a second configuration, different from the fully bootstrapped configuration, to obtain a second touch image, the second touch image including an effect of water on the touch sensor panel, and determine a final touch image based on the fully bootstrapped touch image and the second touch image, the final touch image not including the effect of the water on the touch sensor panel. In some examples, the second configuration comprises a mutual capacitance configuration. In some examples, the second configuration comprises a partially bootstrapped configuration.Type: GrantFiled: July 8, 2020Date of Patent: January 24, 2023Assignee: Apple Inc.Inventors: Yingxuan Li, Weijun Yao, Vivek Pant, Martin Paul Grunthaner, Marduke Yousefpor, Sumant Ranganathan
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Patent number: 11561685Abstract: A method for enabling interaction on an electronic device using fingerprint on display to execute an operation of the electronic device based on the detected fingerprint. The method may include detecting at least one fingerprint from at least one touch input on a display screen, identifying an object corresponding to the at least one fingerprint, and performing at least one actions based on the object.Type: GrantFiled: February 25, 2021Date of Patent: January 24, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gunjan Prakash Deotale, Samarth Shankar Raut, Jidnya Samir Shah
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Patent number: 11561655Abstract: According to one embodiment, an electrostatic capacitance-type sensor-equipped display device includes a display panel with a display surface which displays an image. The sensor includes a plurality of detection electrodes disposed in a matrix, the detection electrodes being mutually electrically independently provided above the display surface and being configured to detect a variation in electrostatic capacitance, and a plurality of lead lines provided above the display surface, connected to the detection electrodes in a one-to-one correspondence, and formed of a metal.Type: GrantFiled: January 31, 2022Date of Patent: January 24, 2023Assignee: Japan Display Inc.Inventors: Koji Noguchi, Koji Ishizaki, Hayato Kurasawa
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Patent number: 11556212Abstract: A processing system includes a level shifter, a drive circuit, and a capacitive sensing circuit. The level shifter is configured to generate a first level-shifted output corresponding to a graylevel value and a second level-shifted output corresponding to capacitive sensing control data. The drive circuit is configured to generate an output voltage based at least in part on the first level-shifted output. The capacitive sensing circuit is configured to receive a resulting signal from a sensor electrode and generate, based at least in part on the second level-shifted output, a capacitive sensing output corresponding to the resulting signal.Type: GrantFiled: February 8, 2021Date of Patent: January 17, 2023Assignee: Synaptics IncorporatedInventor: Shinobu Nohtomi
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Patent number: 11555687Abstract: A capacitive imaging glove includes electrodes implemented throughout the capacitive imaging glove and drive-sense circuits (DSCs) such that a DSC receives a reference signal generates a signal based thereon. The DSC provides the signal to a first electrode via a single line and simultaneously senses it. Note the signal is coupled from the first electrode to the second electrode via a gap therebetween. The DSC generates a digital signal representative of the electrical characteristic of the first electrode. Processing module(s), when enabled, is/are configured to execute operational instructions (e.g., stored in and/or retrieved from memory) to generate the reference signal, process the digital signal to determine the electrical characteristic of the first electrode, and process the electrical characteristic of the first electrode to determine a distance between the first electrode and the second electrode, and generate capacitive image data representative of a shape of the capacitive imaging glove.Type: GrantFiled: August 8, 2019Date of Patent: January 17, 2023Assignee: SigmaSense, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Shayne X. Short, Timothy W. Markison
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Patent number: 11556215Abstract: A touch sensor comprises a first electrode layer, a second electrode layer, and an insulation layer. The first electrode layer includes first main electrode cells connected and arranged in a first direction and second auxiliary electrode cells separated from the first main electrode cells and arranged separately in a second direction on the same lower plane. The second electrode layer includes first auxiliary electrode cells arranged separately in the first direction and stacked and connected to the first main electrode cells while having the same pattern as the first main electrode cells and second main electrode cells separated from the first auxiliary electrode cells, connected and arranged in a second direction, and stacked and connected to the second auxiliary electrode cells while having the same pattern as the second auxiliary electrode cells, on the same upper plane. The insulation layer is formed between the first electrode layer and the second electrode layer.Type: GrantFiled: February 15, 2022Date of Patent: January 17, 2023Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Dohyoung Kwon, Cheol Hun Lee
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Patent number: 11550433Abstract: A touch sensor having conductive circuits on both surfaces of a substrate is fabricated by including UV-blocking material into the substrate or depositing UV-blocking layer on the substrate. This can be used for fabricating sensors having transparent conductor circuits, or having metallic circuits, which are opaque to visible light. Photoresist is applied to both surfaces of the substrate and patterns are transferred to the photoresist by exposure to UV radiation. The UV-blocking layer prevents UV-radiation applied to one side from exposing the opposite side. If desired, both photoresist layers may be exposed simultaneously by splitting one UV beam.Type: GrantFiled: April 14, 2020Date of Patent: January 10, 2023Assignee: FUTURETECH CAPITAL, INC.Inventors: Robert Petcavich, Robert Routh, Michael Morrione
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Patent number: 11550416Abstract: A touch display device and an operation method thereof are provided. The touch display device includes a touch display panel, a power management circuit, a display driving circuit, and a touch circuit. The display driving circuit drives the touch display panel to display an image, and notifies the power management circuit to perform a voltage adjustment of a common voltage supplied to the touch display panel in a voltage adjustment period. The touch circuit individually performs a touch sensing operation on multiple sensing lines of a touch sensing layer of the touch display panel, so as to generate multiple touch sensing data corresponding to the sensing lines. The touch circuit ignores the touch sensing data corresponding to the voltage adjustment period, or the touch circuit suspends performing the touch sensing operation on the sensing lines of the touch sensing layer during the voltage adjustment period.Type: GrantFiled: August 11, 2021Date of Patent: January 10, 2023Assignee: Novatek Microelectronics Corp.Inventors: Yu-Huang Chen, Feng-Lin Chan
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Patent number: 11550437Abstract: A display device including a display panel and an input sensor disposed on the display panel and including signal line groups arranged in a wiring region, and first and second sensing electrodes disposed in a sensing region, each of the first and second sensing electrodes having one end electrically connected to a corresponding signal line, in which the second sensing electrodes have a greater length than the first sensing electrodes, the signal line groups include first and second signal line groups electrically connected to the first and second sensing electrodes, respectively, each of the first sensing electrodes includes first bridge patterns overlapping the second sensing electrodes and disposed on a different layer from the second sensing electrodes, and one of the first sensing electrodes or the second sensing electrodes are configured to receive a sinusoidal signal.Type: GrantFiled: August 26, 2019Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyunwoong Kim, Kwang-min Kim, Kiwook Kim, Yangwan Kim, Jisu Na
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Patent number: 11550424Abstract: The present invention discloses an OLED touch control display device and driving method thereof. The OLED touch control device of the present disclosure sets a transparent touch control electrode and a second thin film transistor in the pixels, a gate of the second thin film transistor is connected to a scanning line corresponding to the pixels, a source is coupled to the touch control lines, a drain is coupled to the touch control electrode. During driving state, a scanning signal is sequentially transmitted to the plurality of scanning lines in each frame period, and a touch control chip used to charge the plurality of touch control lines in one of two adjacent frame periods, and receive a touch control signal transmitted by the plurality of touch control lines in the other of any two adjacent frame periods, thereby achieving high-sensitivity touch sensing, high module yield, and low product cost.Type: GrantFiled: August 9, 2019Date of Patent: January 10, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wei Lu
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Patent number: 11550439Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.Type: GrantFiled: June 6, 2022Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung Jin Yang, Ki Cheol Kim, Sung Hee Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho, Min Ho Chae
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Patent number: 11543906Abstract: A touch sensing device employed in an electronic device having a housing including a plurality of touch members, includes a touch sensing unit disposed in the housing and including a plurality of touch sensors configured to perform touch sensing based on a touch applied to any one or any two or more of the plurality of touch members; an oscillation circuit unit configured to generate a plurality of touch sensing signals based on the touch sensing; and a signal processor configured to perform a slide mode, when any one of the plurality of touch sensing signals is a slide mode start touch, to determine whether a slide touch pattern input based on the plurality of touch sensing signals is a preset slide touch pattern.Type: GrantFiled: July 22, 2021Date of Patent: January 3, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Gye Won Lee, Hee Sun Oh, Chang Ju Lee, Jong Yun Kim, Hong Seok Lee
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Patent number: 11543907Abstract: An electronic device includes: a display panel configured to display an image; an input sensor comprising transmission electrodes on the display panel and reception electrodes that insulately cross the transmission electrodes; and a sensor controller configured to operate in a first mode or a second mode different from the first mode, wherein, in the first mode, the sensor controller is configured to transmit an uplink signal to an input device through the input sensor and to receive a downlink signal from the input device through the input sensor, wherein an input sensing frame, in which the sensor controller operates in the first mode, comprises an uplink period for which the uplink signal is provided to the input sensor, and the sensor controller is configured to not apply the uplink signal to at least a portion of the transmission electrodes during the uplink period.Type: GrantFiled: April 28, 2021Date of Patent: January 3, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dongchun Lee, Jinwoo Kim, Byeongkyu Jeon
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Patent number: 11543901Abstract: A touch control device and a stylus are provided. The stylus includes a transceiver and a controller. The controller generates a plurality of data items based on a request signal received by the transceiver, and generates at least one status data signal in each data item according to at least one operation status of the stylus. In particular, the controller makes the transceiver select at least one selected time period in a plurality of first time periods to transmit the at least one status data signal to a host and transmit at least one normal data signal in at least one other time period other than the at least one selected time period. In particular, a frequency of the at least one status data signal is different from a frequency of the at least one normal data signal.Type: GrantFiled: November 5, 2021Date of Patent: January 3, 2023Assignee: ILI TECHNOLOGY CORP.Inventors: Yifan Lin, Chia-Yu Hung
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Patent number: 11543903Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a base substrate; and a touch function layer on the base substrate, wherein the display panel includes a plurality of light transmitting regions and a plurality of pixel cell regions, a plurality of traces are connected between adjacent pixel cell regions, and there are slits between adjacent traces, and wherein an orthographic projection of the touch function layer on the base substrate covers an orthographic projection of the slits on the base substrate.Type: GrantFiled: June 18, 2020Date of Patent: January 3, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weiyun Huang, Longhui Xue, Yue Long, Wei Zhang, Xingliang Xiao
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Patent number: 11543910Abstract: A display device includes: a display panel; a touch unit that overlaps the display panel; a window that overlaps the display panel and the touch unit; an optical adhesive layer disposed between the touch unit and the window; and a blocking layer disposed between the touch unit and the window and next to the optical adhesive layer. The blocking layer has a thickness that increases with increasing distance from the optical adhesive layer.Type: GrantFiled: September 29, 2020Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In-Su Baek, Gyun Soo Kim, Min Ki Kim, Ah-Ram Lee
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Patent number: 11543935Abstract: An information processing method includes: in cases where at least one application program icon is displayed in a first display area, and an interface of a first application program is displayed in a second display area, receiving an input by a user for an icon of a second application program among the at least one application program icon; and in response to the input, performing a target operation in the second display area based on a display feature of the first application program. The at least one application program icon includes the icon of the second application program. The target operation is associated with the second application program.Type: GrantFiled: July 29, 2021Date of Patent: January 3, 2023Assignee: VIVO MOBILE COMMUNICATION CO., LTD.Inventor: Chengrui Sun
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Patent number: 11537231Abstract: A display device is provided and includes a first substrate; a second substrate opposed to the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of detection electrodes, the second substrate being located between the detection electrodes and the liquid crystal layer; a shield electrode apart from the detection electrodes in a plane view, the second substrate being located between the shield electrode and the liquid crystal layer; and a resistive layer overlapping the detection electrodes and the shield electrode, the detection electrodes and the shield electrode located between the resistive layer and the second substrate.Type: GrantFiled: September 11, 2020Date of Patent: December 27, 2022Assignee: Japan Display Inc.Inventors: Hayato Kurasawa, Koji Ishizaki, Kohei Azumi