Patents Examined by Liliana Cerullo
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Patent number: 11972063Abstract: A keyboard device includes a frame and keys. The frame includes key guide grooves each including a first groove wall and a second groove wall. The keys are slidably assembled in the key guide grooves. The key includes a keycap and a guide member. A brim of the keycap includes a first side edge and a second side edge. The guide member includes a first side plate and a second side plate. The first side plate is in the key guide groove, integrally extends from the first side edge, and is arranged close to the first groove wall. The second side plate is in the key guide groove, integrally extends from the second side edge, and is arranged close to the second groove wall.Type: GrantFiled: March 15, 2023Date of Patent: April 30, 2024Assignee: CHICONY ELECTRONICS CO., LTD.Inventor: Tao-Kuan Chen
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Patent number: 11972725Abstract: A method for image display in a display apparatus is provided. The method includes displaying an image in a respective subpixel in an image display phase. In a sensing phase subsequent to the image display phase, the method further includes providing an initial voltage signal to an anode of a respective light emitting element in the respective subpixel for a first period of time; allowing the anode of a respective light emitting element to discharge for a second period of time, upon discontinuation of the initial voltage signal; obtaining a residual voltage signal at the anode of the respective light emitting element at an end of the second period of time by a sensing sub-circuit of a respective pixel driving circuit; and transmitting the residual voltage signal to an integrated circuit.Type: GrantFiled: November 25, 2020Date of Patent: April 30, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongjun Zhou, Feng Wei, Cong Liu
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Patent number: 11960672Abstract: A display device is provided and includes signal line; pixel electrode; drive electrode opposed to pixel electrode; scanning lines; and display periods and a detection period in frame, wherein during one of display periods, common voltage is applied to drive electrode, scanning signal is applied to some scanning lines, pixel signal is applied to pixel electrode, wherein, during detection period, AC drive or pulse signal is applied to drive electrode, AC drive or pulse signal having pulses, wherein pulses during the detection period is less than number of some of scanning signal lines.Type: GrantFiled: December 9, 2022Date of Patent: April 16, 2024Assignee: Japan Display Inc.Inventors: Koji Noguchi, Yoshitoshi Kida, Kohei Azumi
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Patent number: 11960677Abstract: According to one embodiment, a sensor device includes a panel and a control circuit. The panel includes an insulating layer, a first electrode, and a second electrode. The control circuit including a first circuit including a timing control circuit and a first amplifier, and a second circuit including a detection circuit connected to a floating ground line. During a first sensing drive period, the first output unit outputs a first synchronization signal, the timing control circuit outputs a second synchronization signal, the first amplifier provides the amplified second synchronization signal to each of the floating ground line and the first electrode, and the detector reads a change in a sensor signal.Type: GrantFiled: May 26, 2022Date of Patent: April 16, 2024Assignee: Japan Display Inc.Inventors: Naoki Takada, Hiroshi Yamaguchi, Kisho Yamamoto
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Patent number: 11954293Abstract: A display apparatus includes a touch panel including a plurality of electrodes and a touch driver. The touch panel includes first electrodes extending in a first direction and second electrodes extending in a second direction and overlapping the first electrodes. The touch driver is configured to drive the touch panel in a normal mode and a biometric information measurement mode. The touch driver is configured to sequentially apply a transmission signal to the first electrodes by shifting the transmission signal at each group of N electrodes (where N is a positive integer) in the normal mode, and to sequentially apply the transmission signal to the first electrodes by shifting the transmission signal at each group of Q electrodes (where Q is a positive integer greater than N) in the biometric information measurement mode.Type: GrantFiled: March 1, 2022Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventor: Soongyu Lee
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Patent number: 11947749Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on a layer on an opposite side of a touch surface with respect to the first substrate, a transmitter electrode formed on a layer on an opposite side of the touch surface with respect to the plurality of color filters, a receiver electrode formed on a layer closer to the touch surface side with respect to the plurality of color filters, and a second substrate, a pixel electrode being disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping a space between adjacent ones of the plurality of color filters in a plan view.Type: GrantFiled: May 24, 2022Date of Patent: April 2, 2024Assignee: Sharp Display Technology CorporationInventors: Kazutoshi Kida, Kiyoshi Minoura, Takashi Satoh, Shunsuke Noichi, Yasuhiro Sugita, Chiaki Minari
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Patent number: 11928283Abstract: A display device includes: a display panel including a sensor unit configured to detect a touch operation; a first control unit configured to supply a first signal to the display panel; and a second control unit configured to calculate touch information related to the touch operation and to supply the touch information to the first control unit. The first control unit includes: a signal generator configured to generate the first signal based on an image signal supplied from an external image signal supply source; and an overdrive circuit configured to perform a process of increasing an amplitude of the first signal generated by the signal generator. The overdrive circuit is actuated based on the touch information from the second control unit. The first control unit, in response to the actuation of the overdrive circuit, supplies the first signal having the amplitude increased by the overdrive circuit to the display panel.Type: GrantFiled: January 10, 2023Date of Patent: March 12, 2024Assignee: Sharp Display Technology CorporationInventors: Jin Miyazawa, Noriyuki Tanaka, Daiji Kitagawa, Tatsuhiko Suyama, Yousuke Nakamura, Daisuke Suehiro
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Patent number: 11928258Abstract: A method for identifying an object of interest of a person based on that person's detected behavior is disclosed. The method involves receiving or generating ambient data representing a first time sequence of ambient data items, each representing for a specific respective point in time in the first time sequence ambient targets being currently present as a respective object in the spatial environment of the person at that point in time, receiving or generating directional sensor data representing a second time sequence of directional data items, each representing directional measurements relating to a specific point in time in the second time sequence, matching the directional sensor data to the possible targets of the ambient data to generate a third time sequence of result data items, and classifying one or more of the ambient targets based on at least two of the corresponding result data items of the third time sequence.Type: GrantFiled: July 28, 2021Date of Patent: March 12, 2024Assignee: Gestigon GmbHInventor: Cornelius Reinfeldt
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Patent number: 11921962Abstract: A sensor module according to an embodiment includes a cover member, a first sensor array overlapping the cover member, the first sensor array including a plurality of first sensor electrodes, the first sensor array being a non-contact type, a control unit receiving a detection signal output from the first sensor array and generating coordinate information based on the detection signal, a drive unit receiving the coordinate information from the control unit and outputting a drive signal based on the coordinate information, and a drive electrode array overlapping the first sensor array, the drive electrode array being driven based on the drive signal.Type: GrantFiled: March 25, 2022Date of Patent: March 5, 2024Assignee: Japan Display Inc.Inventor: Naoshi Goto
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Patent number: 11921968Abstract: A method for interaction between devices based on a pointing operation and an electronic device. The electronic device may be a mobile phone or the like. In the method, a pointing operation performed by a user from a handheld device to a target device is detected via an acceleration sensor, a gyroscope, an IMU, a camera, or the like of the handheld device, and a wireless positioning function of the handheld device is triggered. When it is identified that an axis of the handheld device intersects or approximately intersects with the target device, at least one type of feedback such as visual feedback, sound feedback, and vibration may be provided on the handheld device and/or the target device, login account information and device information of the target device are transmitted to the handheld device, and a target device control window is displayed on the handheld device.Type: GrantFiled: July 28, 2021Date of Patent: March 5, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Jie Xu, Jiayu Long, Tong Yang, Jianzhong Tang
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Patent number: 11914239Abstract: The present application provides a multi-screen and a display device. The multi-screen includes at least two display screens spliced with each other. The display screens include an outer bezel, a backlight module, and a display panel. The outer bezel includes a first frame and a second frame opposite to the first frame. The backlight module includes a light-emitting element disposed near the first frame. The display module includes a chip on film disposed near the first frame. At least one of adjacent two of the display screens is spliced along the second frame.Type: GrantFiled: May 21, 2021Date of Patent: February 27, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Guangnan Zou
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Patent number: 11906834Abstract: A touch panel and a display device are disclosed. The touch panel includes a first area and a second area, and further includes: a plurality of first electrodes located in the first area and a plurality of second electrodes located in the second area. An arrangement density of the first electrodes is greater than an arrangement density of the plurality of second electrodes.Type: GrantFiled: May 20, 2020Date of Patent: February 20, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dongchen Huang, Chingyuan Cheng
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Patent number: 11874983Abstract: A touch panel and a driving method thereof, and a display device are provided. The touch panel includes a first substrate and a second substrate; the first substrate includes a first electrode pattern layer, and the first electrode pattern layer includes first electrode blocks insulated from each other; the second substrate includes a second electrode pattern layer, touch lead lines, and a third electrode pattern layer; the second electrode pattern layer includes second electrode blocks insulated from each other; the second electrode blocks correspond to and are electrically connected with the first electrode blocks, respectively, and the second electrode blocks are respectively electrically connected with the touch lead lines to process an electrical signal of a touch operation; and the third electrode pattern layer includes third electrode blocks insulated from each other, and the second electrode blocks are insulated from the third electrode blocks to form touch capacitors, respectively.Type: GrantFiled: May 17, 2021Date of Patent: January 16, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao Bi, Hongliang Yuan, Qi Zheng, Xiaojuan Wu, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang
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Patent number: 11874982Abstract: According to an aspect, a sensor-equipped display device includes: an array substrate; a counter substrate; a first sensor configured to detect a first detection-target object close to the counter substrate; and a second sensor configured to detect a second detection-target object close to the array substrate. A first background of the array substrate is viewed from outside the counter substrate, and a second background of the counter substrate is viewed from outside the array substrate.Type: GrantFiled: January 21, 2022Date of Patent: January 16, 2024Assignee: Japan Display Inc.Inventors: Masanobu Ikeda, Naoki Takada, Kentaro Okuyama
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Patent number: 11868564Abstract: Embodiments of the present disclosure relate to a touch controller, a touch sensing system, and a touch display device. Among data communication periods between the touch controller and a touch driving circuit, during the data communication period included in a period in which a system clock signal is not output, a level of a communication control signal is changed a plurality of times, thereby allowing the touch driving circuit to recognize an address start time point. Therefore, it is possible to reduce power consumption of the touch sensing system by reducing a period in which the system clock signal is output and to improve the efficiency of data communication of the touch sensing system by enabling normal data communication in a period in which the system clock signal is not output.Type: GrantFiled: October 14, 2022Date of Patent: January 9, 2024Assignee: LG Display Co., Ltd.Inventors: Sojung Jung, Youngwoo Jo
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Patent number: 11860468Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on an upper layer with respect to the first substrate and including a green color filter, a transmitter electrode formed on an upper layer with respect to the plurality of color filters, a receiver electrode formed on a lower layer with respect to the plurality of color filters, and a second substrate including a pixel electrode disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping the receiver electrode in a plan view and in a portion overlapping the green color filter in a plan view.Type: GrantFiled: May 24, 2022Date of Patent: January 2, 2024Assignee: Sharp Display Technology CorporationInventors: Kazutoshi Kida, Kiyoshi Minoura, Takashi Satoh, Shunsuke Noichi, Yasuhiro Sugita, Chiaki Minari
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Patent number: 11853511Abstract: The present application provides a touch display device and time control method thereof that make a data signal jumps within an effective time period of a row synchronization signal and keep constant within in a non-effective time period of the row synchronization signal, and simultaneously, make a charge time period of a touch signal within the non-effective time period of the row synchronization signal. As such, the data signal in a jump variation time period would not suffer crosstalk due to charging of the touch signal, and would not form a phenomenon such as interfering horizontal mura due to crosstalk on the data line resulting from charging of the touch electrode.Type: GrantFiled: January 7, 2022Date of Patent: December 26, 2023Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jian Ye
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Patent number: 11842017Abstract: A keyboard for physically handicapped persons, including a translucent surface, a capacitive layer underneath the translucent surface, enabling detection of touch location and pressure on the translucent surface, a projection system dynamically projecting a plurality of visual layouts of keys of a keyboard on the translucent surface, wherein each visual layout includes ASCII character keys or graphical buttons, and a dynamic keyboard layout generator configured to receive user input in conformance with a currently projected layout of keys from a physically handicapped user, and to generate therefrom a time series of ASCII characters or button selections for input to the computing device, to dynamically adjust pressure sensitivity of the keyboard to avoid spurious user input, and to dynamically adjust key sizes and positions in a current virtual layout of keys, to reduce the amount of hand motion required by the user and the amount of discomfort experienced by the user.Type: GrantFiled: April 15, 2022Date of Patent: December 12, 2023Inventors: Jordan A Berger, John V. Monaco
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Patent number: 11842009Abstract: A method for operating an electronic device includes detecting, by a touchscreen controller, a touch point on a touchscreen; determining, by the touchscreen controller, coordinates of the touch point; scaling, by the touchscreen controller, up the coordinates of the touch point to obtain scaled up coordinates by overwriting a reserved portion of a touch event protocol with additional information corresponding to the coordinates of the touch point; reporting, by the touchscreen controller, the scaled up coordinates of the touch point to an application processor; and determining, by the application processor, the coordinates of the touch point with an increased resolution by converting the scaled up coordinates into a floating point value.Type: GrantFiled: February 22, 2022Date of Patent: December 12, 2023Assignees: STMICROELECTRONICS (BEIJING) R&D CO., LTD, STMicroelectronics (Shenzhen) R&D Co., Ltd.Inventors: Bowei Chen, Yue Ding, Guodong Sun
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Patent number: 11836283Abstract: A method of operating a head mounted augmented reality display system includes producing an electromagnetic field using an electromagnetic emitter, positioned in a handheld controller and reflecting the electromagnetic field using a first electromagnetic reflector, positioned adjacent to the electromagnetic emitter, to form a modified electromagnetic field. The method also includes reflecting a portion of the modified electromagnetic field using a second electromagnetic reflector positioned in a headset and detecting the reflected portion of the modified electromagnetic field by an electromagnetic sensor positioned adjacent to the second electromagnetic reflector.Type: GrantFiled: August 26, 2022Date of Patent: December 5, 2023Assignee: Magic Leap, Inc.Inventor: Richmond B. Chan