Abstract: A touch control method is provided. The method includes: providing a touch device with multiple touch electrodes; determining whether an object is located in a sensing distance; detecting a sensing group sensing the object if the determination is yes; determining whether an electrode amount in the electrode group is between a first value and a second value; determining whether a sensing time of a predetermined proportion of the touch electrodes in the sensing group is equal to or greater than a predetermined time; executing a fingerprint recognition mode if the electrode amount is between the first value and the second value, and the sensing time is equal to or greater than the predetermined time; executing a touch operation mode if the electrode amount is less than the first value or greater than the second value, or the sensing time is less than the predetermined time.
Type:
Grant
Filed:
November 28, 2021
Date of Patent:
March 28, 2023
Assignee:
SUPERC-TOUCH CORPORATION
Inventors:
Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin
Abstract: A display device includes a display panel including a front portion, a first side portion which extends from a first side of the front portion, a second side portion which extends from a second side of the front portion, and corner portion disposed between the first side portion and the second side portion. The display panel includes a first display area disposed in the front portion and including a plurality of first emission areas and a plurality of sensor electrodes, and a second display area disposed in the corner portion and including a plurality of second emission areas and a plurality of first sensor lines electrically connected to at least some of the sensor electrodes.
Abstract: 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:
Grant
Filed:
November 13, 2020
Date of Patent:
February 28, 2023
Assignee:
Mitsubishi Electric Corporation
Inventors:
Takafumi Hashiguchi, Tatsuya Nakamura, Yusuke Shimasaki, Takeshi Ono
Abstract: An electronic device including: a display layer including an active area and a peripheral area adjacent to the active area, wherein the active area includes a first area in which an image is displayed; a sensor layer disposed on the display layer and including a plurality of sensing electrodes; a controller configured to generate a change signal in response to a change in a surface area of the first area; a display driver configured to transmit a horizontal synchronization signal to the display layer in response to the change signal; and a sensing driver configured to control at least some of the plurality of sensing electrodes in response to the horizontal synchronization signal.
Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.
Type:
Grant
Filed:
March 30, 2021
Date of Patent:
December 27, 2022
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Choon Hyop Lee, Jang Hui Kim, Jae Won Kim, In Nam Lee
Abstract: Embodiments of the present disclosure relate to a touch display device and, more particularly, to a touch display device having a structure capable of enabling efficient testing and reducing the number of test pads.
Type:
Grant
Filed:
December 1, 2020
Date of Patent:
December 27, 2022
Assignee:
LG Display Co., Ltd.
Inventors:
YoungSung Kwon, JungWoo Han, HongYun Kang
Abstract: A touch sensor panel according to the present invention includes: a plurality of first electrodes and a plurality of second electrodes, in which a touch window area includes a first number of consecutive first electrodes in a first direction among the plurality of first electrodes and a second number of consecutive second electrodes in a second direction with respect to at least one of the first number of first electrodes to correspond to each other, and a value acquired by multiplying the number of unit cells constituting at least one first electrode connected to a first trace among the first electrodes included in the touch window area and the number of unit cells constituting at least one second electrode connected to a second trace among the second electrodes included in the touch window area is less than a predetermined value.
Type:
Grant
Filed:
July 31, 2019
Date of Patent:
December 27, 2022
Inventors:
Seyeob Kim, Bonkee Kim, Jongsik Kim, Sein Lee
Abstract: A detection value acquirer acquires a plurality of detection values that are based on capacitance of each of a plurality of common electrodes arranged in a matrix. A detection value calculator calculates detection values in a plurality of block regions each containing two or more common electrodes out of the plurality of common electrodes based on the plurality of detection values. A touch detector detects a touch by a conductor on the display screen of a display device based on the detection value of each of the plurality of block regions. The detection value calculator calculates the detection value of each of the plurality of block regions in the display screen based on the detection value of each of the two or more common electrodes included in each of the plurality of block regions.
Abstract: A display device is provided and includes scanning and signal lines; switch electrically coupled to scanning and signal lines; pixel electrode electrically coupled to switch and opposed to drive electrode; first and second display periods, and detection period between first and second display periods, wherein during first and second display periods, common voltage is applied to drive electrode, scanning signal is applied to scanning line and switch, pixel signal is applied to pixel electrode through signal line and switch, during detection period, AC drive signal or pulse drive signal is applied to drive electrode, and scanning signal is not applied to scanning line.
Type:
Grant
Filed:
May 17, 2021
Date of Patent:
December 13, 2022
Assignee:
Japan Display Inc.
Inventors:
Koji Noguchi, Yoshitoshi Kida, Kohei Azumi
Abstract: A touch panel includes a base, sensing electrodes disposed on the base, and at least two touch lines disposed on the base and crossing a sensing electrode in the sensing electrodes. The sensing electrode includes a plurality of first conductive lines that are substantially parallel to each other and a plurality of second conductive lines that are substantially parallel to each other. The at least two touch lines are substantially parallel to the plurality of first conductive lines. The at least two touch lines include first touch line(s) electrically connected to the sensing electrode and second touch line(s) not electrically connected to the sensing electrode. An orthographic projection of each second touch line on the base is non-overlapping with orthographic projections of the plurality of first conductive lines on the base.
Type:
Grant
Filed:
September 3, 2020
Date of Patent:
December 13, 2022
Assignee:
Beijing BOE Technology Development Co., Ltd.
Abstract: A sensing device having a hover mode is provided. The sensing device includes a substrate; and a plurality of sensing electrodes, disposed on the substrate, and defined as a plurality of hovering units in the hover mode, wherein the plurality of hovering units comprise a first hovering unit, and sensing electrodes with signals in the first hovering unit form a first identification pattern.
Abstract: An optical touch-sensitive device is able to determine the locations of multiple simultaneous touch events. The optical touch-sensitive device can include an optical waveguide, an emitter, and an emitter coupler. The emitter produces optical beams, and the emitter coupler is on a surface of the waveguide and is configured to direct at least some of the optical beams to propagate via total internal reflection (TIR) through the waveguide as coupled optical beams. Touches on the top surface of the waveguide disturb the coupled optical beams, and the touch-sensitive device determines touch events based on the disturbances.
Abstract: A touch display device and a method of driving the same are disclosed. The touch display device includes: a touch display panel displaying an image and sensing a touch; a plurality of touch electrodes disposed on the touch display panel and divided into a plurality of blocks; a plurality of gate lines disposed on the touch display panel and overlapping the plurality of touch electrodes; and a touch display driving circuit supplying a common voltage to the plurality of touch electrodes and supplying a gate voltage to the plurality of gate lines, wherein the common voltage has a first voltage before and after a first compensation period corresponding to a high level period of the gate voltage supplied to one of the plurality of gate lines firstly overlapping one of the plurality of touch electrodes and has a second voltage lower than the first voltage during the first compensation period.
Type:
Grant
Filed:
October 5, 2021
Date of Patent:
November 22, 2022
Assignee:
LG Display Co., Ltd.
Inventors:
Kyoung-Seok Park, Ki-Jeong Lee, Hyun-Ho Park, Sung-Jin Um
Abstract: A portable electronic device with a touch-sensitive display is disclosed. One aspect of the invention involves a computer-implemented method in which the portable electronic device: displays an application on the touch-sensitive display; and when the application is in a predefined mode, performs a predefined operation in response to each gesture of a set of multiple distinct gestures on the touch-sensitive display. Another aspect of the invention involves a computer-implemented method in which the portable electronic device: displays a first application; when the first application is in a first mode, performs a first operation upon detecting a first gesture on the touch-sensitive display; and performs the first operation upon detecting a second gesture on the touch-sensitive display, wherein the second gesture is different from the first gesture.
Type:
Grant
Filed:
November 16, 2020
Date of Patent:
October 25, 2022
Assignee:
Apple Inc.
Inventors:
Bas Ording, Scott M. Herz, Wayne C. Westerman, Scott Forstall, Gregory N. Christie
Abstract: Provided are a touch panel, a preparation method thereof, and a display apparatus. The touch panel includes: a touch region, a binding region on one side of the touch region, and an edge region on the other side of the touch region. The touch region at least includes M rows of first touch units and N columns of second touch units, the binding region at least includes a binding pin region, and the edge region at least includes a plurality of touch leads; wherein first terminals of the plurality of touch leads are respectively connected to the M rows of first touch units and the N columns of second touch units, and second terminals of the plurality of touch leads extend to the binding region and are correspondingly connected to a plurality of pins in the binding pin region; M and N are positive integers greater than 2.
Abstract: An electromagnetic tracking system includes a hand held controller including an electromagnetic emitter configured to generate an electromagnetic field characterized by an electromagnetic field pattern and a first electromagnetic reflector positioned adjacent the electromagnetic emitter and configured to form a modified electromagnetic field pattern. The electromagnetic tracking system also includes a head mounted augmented reality display including an electromagnetic sensor configured to sense the electromagnetic field and a second electromagnetic reflector adjacent to sensor configured to optimally sense electromagnetic field pattern in a region of interest.
Abstract: A display device includes a display panel and an input sensor disposed on the display panel and having an active area and a peripheral area adjacent to the active area. The input sensor includes a sensing electrode disposed in the active area; a sensing line disposed in the peripheral area and electrically connected to the sensing electrode; a sensing pad disposed in the peripheral area and electrically connected to the sensing line; a ground pad disposed in the peripheral area and to receive a ground voltage; and a first alignment member disposed in the peripheral area and electrically connected to the ground pad.
Type:
Grant
Filed:
October 5, 2020
Date of Patent:
September 27, 2022
Assignee:
Samsung Display Co., Ltd.
Inventors:
Jong-Hwa Kim, Hwan-Hee Jeong, Kyungsu Lee, Jeongyun Han
Abstract: There is provided an information display device making it possible to improve the reliability of a display against an external force. The information display device includes a case portion for displaying time information in a predetermined operation mode, and a band portion to be worn on an arm, and includes one piece of thin display inside the case portion and the band portion. Inside the band portion, the thin display, a metal sheet, and a resin sheet are laminated. The present technology can be applied to an information display device, etc., for example.
Abstract: To improve the display quality of a display device. To provide a method of correcting image data input to the display device. To provide a novel image correction method or an image correction system. Machine learning for a neural network correcting image data input to the display device is performed by the following method: second image data based on an image that is displayed on the display device by input of first image data to the display device is obtained; third image data is generated by obtaining a difference between the first image data and the second image data; fourth image data is generated by adding the first image data and the third image data; and a weight coefficient is updated so that output data obtained by input of the first image data to the neural network is close to the fourth image data.
Type:
Grant
Filed:
April 9, 2021
Date of Patent:
September 6, 2022
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
Abstract: A gate on array (GOA) device and a gate driving circuit are provided. The GOA device includes at least two GOA units. Each of the at least two GOA units includes at least one pull-down maintenance unit. The pull-down maintenance unit at least includes a first thin film transistor. The first thin film transistor includes a base substrate, a first electrode, a second electrode, and a third electrode. An electric potential of the first electrode is different from an electric potential of the second electrode. The first electrode or the second electrode is electrically connected to the third electrode.
Type:
Grant
Filed:
September 9, 2019
Date of Patent:
September 6, 2022
Assignee:
TCL China Star Optoelectronics Technology Co., Ltd.