Abstract: Disclosed herein is an organic light emitting diode display, including: an insulating substrate including a display area in which a plurality of pixels are formed and a peripheral area positioned around the display area; a touch signal transfer wiring positioned in the peripheral area on the insulating substrate; an insulating layer formed on the insulating substrate, the insulating layer covering the touch signal transfer wiring and including a protrusion and an opening through which the touch signal transfer wiring is partially exposed; a connection conductor connected to the touch signal transfer wiring through the opening; an encapsulation substrate including a touch area corresponding to the display area and a peripheral area positioned around the touch area; a touch electrode layer positioned under the touch area of the encapsulation substrate; and a touch wiring connected to the touch electrode layer and positioned under the peripheral area of the encapsulation substrate.
Type:
Grant
Filed:
October 9, 2015
Date of Patent:
July 9, 2019
Assignee:
Smsung Display Co., Ltd.
Inventors:
Oh June Kwon, Seung Yong Song, Hyeon Sik Kim
Abstract: This invention provides a touch panel-sensing chip package module complex, comprising: a touch panel with a first top surface and a first bottom surface opposite to each other, wherein the first bottom surface having a first cavity with a bottom wall surrounded by a sidewall; a color layer formed on the bottom wall and the first bottom surface adjacent to the cavity; and a chip scale sensing chip package module bonded to the cavity by the color layer formed on the bottom wall of the cavity.
Type:
Grant
Filed:
June 8, 2016
Date of Patent:
June 11, 2019
Assignee:
XINTEC INC.
Inventors:
Shu-Ming Chang, Tsang-Yu Liu, Yen-Shih Ho
Abstract: A stage includes an output, an input, signal processors, and a stabilizer. The output supplies a voltage of a first or second power source to an output terminal based on voltages of first and second nodes. The input controls voltages of third and fourth nodes based on signals to a first and second input terminals. A first signal processor controls the voltage of the first node based on the voltage of the second node. A second signal processor is connected to a fifth node and controls the voltage of the first node based on a signal to a third input terminal. A third signal processor controls the voltage of the fourth node based on the voltage of the third node and the signal to the third input terminal. The stabilizer is connected between the second signal processor and input to control voltage drop widths of the third and fourth nodes.
Type:
Grant
Filed:
May 3, 2017
Date of Patent:
June 4, 2019
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
Abstract: A flexible touch screen fold along middle is provided. The flexible touch screen has a window region with a touch function, a folded section, and a non-window region for arranging leads. A part of the electrodes located at the folded section is made of transparent electrode material with a bending resistance. Because the electrodes of the folded section are made of the material with a bending resistance, the bending stress of the electrodes at the folded area of the flexible touch display panel can be improved, and the service life of the flexible touch display panel can be increased.
Type:
Grant
Filed:
December 23, 2016
Date of Patent:
May 28, 2019
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Abstract: Embodiments of the present application disclose various display devices with adjustable pixel density and methods for adjusting display pixel density. One of the display devices with adjustable pixel density comprises: a plurality of display pixels distributed in an array form, and a controllably-deformable material part being separately connected to the plurality of display pixels, wherein the controllably-deformable material part may deform under an effect of an external field, so as to accordingly adjust density distribution of the plurality of display pixels.
Abstract: A first transmitter transmits a first propagating signal to a receiver through a first region of a touch input medium corresponding. A second transmitter transmits a second propagating signal to the receiver through a second region where the second region is a subset of the first region. At least the first propagating signal and the second propagating signal are analyzed to identify, based on a determination that the first signal path was disturbed by a touch input while the second signal path was not disturbed by the touch input, the touch input on a part of the first region that is not part of the second region.
Abstract: A power off indicating apparatus and a power off indicating method thereof are provided. A power off detecting circuit provides a storage voltage to an electrophoretic display when a power is off, so as to control the electrophoretic display to display a power off information. A tag reader resets a display status of the electrophoretic display according to an electronic tag read by the tag reader.
Abstract: A pressure sensing display includes a first substrate, a thin film transistor (TFT) array, a first sensing element, a second sensing element and a compressible layer. The first substrate has a first surface and a second surface, and the first surface is opposite to the second surface. The TFT array is disposed on the first surface. The first sensing element is disposed on the second surface. The second sensing element is disposed opposite to the first sensing element. The compressible layer is disposed between the first sensing element and the second sensing element. A manufacturing method of the pressure sensing display is also disclosed.
Abstract: A hand of a user may be detected in free space, where a plurality of surface points are determined and include a center area surface point and at least two surface points of the plurality of surface points located on a periphery of the surface of the hand. A curve extending through the plurality of surface points may be determined based on a position of a curvature. The plurality of surface points are processed to determine if the plurality of surface points of the detected hand are arranged in at least one of a substantially concave area relative to the sensor, and/or a substantially convex area relative to the sensor. The detected hand may be identified as a palm or back of the hand based on the processing of the plurality of surface points.
Type:
Grant
Filed:
April 13, 2017
Date of Patent:
April 16, 2019
Assignee:
VOLKSWAGEN AKTIENGESELLSCHAFT
Inventors:
Christian Tendyck, Wolfgang Theimer, Gordon Larson
Abstract: A display device according to the present disclosure is a display device including a plurality of pixels arranged in a matrix, each of the plurality of pixels including: an EL element that emits light according to the amount of current supplied; a driving transistor that controls light emission of the EL element; and switches connected to a gate of the driving transistor. The display device includes an electric charge drawing unit configured to draw electric charges in the gate of the transistor provided in each of the plurality of pixels when power supply to the display device is stopped.
Abstract: A first flipflop outputs a first signal synchronized with a first clock signal, a second flipflop outputs a second signal synchronized with a second clock signal, and a third flipflop outputs a third signal synchronized with a third clock signal. The second flipflop includes first to third transistors. In the first transistor, the second clock signal is input to a first terminal and the second signal is output from a second terminal. In the second transistor, a first signal is input to a first terminal, a second terminal is electrically connected to a gate of the first transistor, and the first clock signal is input to a gate. In the third transistor, the third signal is input to a first terminal, a second terminal is electrically connected to the gate of the first transistor, and the third clock signal is input to a gate.
Type:
Grant
Filed:
April 7, 2015
Date of Patent:
February 5, 2019
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
Abstract: Disclosed are a touch driving device, a driving method thereof, and a display device including the same, which reduce power consumption. A touch driving device comprises a first circuit configured to generate a touch driving signal including a plurality of pulses with varying amplitudes or varying periods, responsive to detection of presence or absence of a touch on the touch sensitive display panel during a touch sensing period, and a second circuit configured to apply the touch driving signal to a touch electrode of the touch sensitive display panel during the touch sensing period.
Abstract: Devices, systems, and methods of determining or estimating a level of force or pressure, that is applied by a user to a touch surface of an electronic device or an electronic system. A touch-screen or touch-pad or other touch-sensitive surface, measures or senses a size of a touch-spot that is engaged by a fingertip of the user; and further tracks and records the changes over time in the size of such touch-spot. Based on analysis of the changes of the size of the touch-spot over time, the touch surface or an associated driver or module determines or estimates the level of force or pressure that was applied by the user, or assigns a touch-force value or class.
Abstract: A system and method for determining location of a touch event on or in proximity to a touch sensitive device is disclosed. The touch sensitive device includes row conductors and column conductors that each only transmit or receive signals during a given frame. Each of the orthogonal row signals is transmitted on a respective one of at least some of the row conductors. Signals are received on each of the column conductors an amount of each of the row signals present on each of the plurality of column conductors is detected. Orthogonal column signals are transmitted on the column conductors. Signals are received on each of the row conductors and an amount of each of the orthogonal column signals present on each of the row conductors is detected. The detected amount of each of the orthogonal row signals and the detected amount of each of the orthogonal column signals is used to determine a location of a touch event on or in proximity to the touch sensitive device.
Abstract: Disclosed is a GOA drive unit and drive circuit. The GOA drive unit includes a pull-up unit, a pull-up control unit, a pull-down unit, a pull-down holding unit, a bootstrap capacitor, and a pull-down transistor of an adjacent row. The pull-down transistor of an adjacent row is configured to pull down and hold a line scan signal of an adjacent row corresponding to a previous scanning sequence at a low level when a scan control signal and a line scan signal of a current row are pulled down and held at low levels by the pull-down holding unit. The GOA drive unit can improve the self-repairing ability of the GOA drive circuit.
Type:
Grant
Filed:
November 29, 2016
Date of Patent:
January 29, 2019
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Abstract: The present application discloses a liquid crystal display panel having a plurality of pixels for image display, each of which includes a subpixel region and an inter-subpixel region.
Abstract: A novel information processing device that is highly convenient is provided. The information processing device includes a selection circuit having a function of supplying image data to a reflective display element, a light-emitting element, or both of them on the basis of input position coordinate data, sensing data about the illuminance of the usage environment, and the image data. An icon with high selection frequency is displayed by both the reflective display element and the light-emitting element on the basis of icon coordinate data and the input position coordinate data, so that the icon can be displayed brightly with improved visibility.
Type:
Grant
Filed:
January 26, 2017
Date of Patent:
January 8, 2019
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
Abstract: A control section allows a screen of a display section to display a plurality of numeric keys, detects a touch gesture on the individual numeric key through a touch panel to allow an input of a numeric number corresponding to the numeric key subjected to the touch gesture, and detects an action on each of hard keys to accept an instruction to perform a function corresponding to the hard key subjected to the action. When a predetermined action is performed on one or more individuals of the hard keys, the control section assigns numeric numbers to the respective hard keys and detects an action on the individual hard key to allow an input of the numeric number corresponding to the hard key subjected to the action.