Abstract: A touchscreen controller includes a first sample-and-hold (S/H) block configured to sample a plurality of capacitive touch inputs in response to a first sampling signal and to output samples of the sampled capacitive touch inputs in response to first output control signals, a second S/H block configured to sample a plurality of force touch inputs in response to a second sampling signal independent of the first sampling signal and to output samples of the sampled force touch inputs in response to second output control signals, and an analog-digital converter (ADC) shared by the first and second S/H blocks and configured to convert the samples of the capacitive touch inputs and the samples of the force touch inputs into digital signals.
Abstract: An information processing apparatus includes a detection unit for detecting a contact operation and a pressure of an operating object on a contact operation surface, a display switching unit for switching display on a display screen according to the pressure of the operating object detected by the detection unit, and an execution unit for performing a predetermined process, in a case a predetermined operation of the operating object on the contact operation surface is detected by the detection unit while the display on the display screen is being switched by the display switching unit, according to the predetermined operation.
Abstract: The invention relates to a haptic feedback system. The haptic feedback system includes a mounting frame configured to interface with an assembly chassis, and a mounting plate configured to support a user input device that provides a haptic feedback to a user. The mounting plate is slidably mounted on the mounting frame. The haptic feedback system further includes a guide disposed on the mounting plate, two opposing lever arms that are pivotably mounted on the mounting frame, and an actuator configured to pivot the two opposing lever arms in opposing directions. The two opposing lever arms are pivoted to cause movement of the mounting plate via the guide.
May 31, 2018
Date of Patent:
April 28, 2020
Douglas M. Krumpelman, Richard Schediwy
Abstract: A pixel circuit, a memory circuit, a display panel and a driving method. The pixel circuit includes a data writing circuit, a signal storage circuit and a display driving circuit. The data writing circuit is configured to write a data signal into the signal storage circuit according to a scan signal, the signal storage circuit is configured to store the data signal and control the display driving circuit to perform driving for display according to the data signal. The signal storage circuit comprises a first switch, a second switch, a third switch, a first node and a second node.
Abstract: A projector includes an image forming unit, a projection unit, an image capturing unit, and a detection unit. The image forming unit generates projection image data based on a video signal. The projection unit projects a projection image based on the projection image data, on a projection surface. The image capturing unit generates captured image data by capturing an image of the projection surface for each line or for each block. The detection unit detects an object other than the projection image, which included in the captured image data, based on the captured image data and the projection image data. The projection unit switches projection image for each line or for each block, by scanning. The image capturing unit starts sequential image capturing from a region of the projection surface, in which switching is completed, during a period when at least switching of the projection image is performed.
Abstract: This application relates to methods and apparatus for refreshing a display device at various frequencies. Specifically, multiple areas of the display device can be refreshed concurrently at different frequencies. In this way, when static content is being displayed in certain areas of the display device, those certain areas can be refreshed at a lower rate than areas displaying dynamic content such as video or animation. By refreshing at lower rates, the energy consumed by the display device and subsystems associated with the display device can be reduced. Additionally, processes for reducing flicker when refreshing the display device at different refresh rates are disclosed herein.
August 30, 2017
Date of Patent:
April 21, 2020
Chaohao Wang, Szu-Hsien Lee, Paolo Sacchetto, Shih Chang Chang, Chun-Yao Huang, Paul S. Drzaic
Abstract: A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.
Abstract: The present disclosure provides an operation device including a touch panel and a mechanical switch. The mechanical switch includes a fixed part, a rotary part, an electrode, and a conductive member. The electrode is provided on an opposing surface of the rotary part facing the touch panel. The conductive member circumferentially coating an outer circumferential surface of the rotary part and connected to the electrode. The conductive member is provided in a first region of the outer circumferential surface except for a region within a predetermined dimension from the opposing surface in a direction away from the touch panel. The conductive member is further provided in a second region of the outer circumferential surface extending from the first region and connected to the electrode.
Abstract: Disclosed is a system, method and apparatus for dynamic management of haptic module mechanical offset with gravity-induced position offset tracking. In an embodiment, a method comprises: determining, by a processor, a gravity-induced position offset of a mass in a haptic module; generating, by the processor, a position command for moving the mass from a sensor reference position to a mechanical resting position based at least in part on the gravity-induced position offset; and moving, by a closed-loop controller, the mass from the sensor reference position to the mechanical resting position in accordance with the position command.
Abstract: The present invention provides a touch panel, including a touch-sensing circuit, an ESD protection circuit, and a processor. The touch-sensing circuit is composed of a plurality of sensing pads for sensing at least one touching object and outputting a sensing signal. The ESD protection circuit is connected to the touch-sensing circuit, surrounds the touch sensing circuit, and generates a circuit-loading. The processor is coupled to the touch sensing circuit and the ESD protection circuit to receive the sensing signal and the circuit-loading, performs an action according to the sensing signal, and determines whether to generate a warning signal according to a circuit-load change.
Abstract: A display device and a method of manufacturing a display device are disclosed. In one aspect, the display devices includes display area configured to display an image, a non-display area adjacent to the display area, and a first substrate having a first side and including a touch sensor in the display area and a touch sensor pad in the non-display area. The display device also includes a second substrate opposite to the first substrate, the second substrate including a pixel in the display area and a connecting pad in the non-display area, and a conductive member configured to electrically connect the touch sensor pad and the connecting pad. An inter-bar is interposed between the first and second substrates and between the first side of the first substrate and the touch sensor pad.
January 11, 2017
Date of Patent:
February 18, 2020
Samsung Display Co., Ltd.
Ung Soo Lee, Jin Woo Park, Ho Youn Kim, Hyun Chul Oh, Jun Young Lee, Hyun Soo Jung, Su Hyuk Choi
Abstract: The application provides pixel driving method, pixel driving device and display apparatus. The method is used for driving light emission of light emitting element in duration of image frame in display panel, the duration of image frame including display driving period and stable display period which are consecutive. The method includes: receiving first data voltage for image display in display driving period of current image frame to generate driving current through driving transistor for driving light emission of the light emitting element; receiving second data voltage for detection and first reference voltage in stable display period of current image frame to detect threshold voltage of the driving transistor; adjusting first reference voltage to generate second reference voltage in display driving period of next image frame, generating driving current for driving light emission of the light emitting element based on second reference voltage.
Abstract: A touch substrate and a touch display device are provided. The touch substrate includes a plurality of touch electrodes arranged to be intersected on a base substrate, two ends of each of the touch electrodes being connected to two bonding PINs constituting a PIN group; the two bonding PINs in every PIN group being arranged side by side along a width direction of the bonding PIN, and being adjacent with each other without contact there-between.
Abstract: A system that self-remediates damage wherein the system recognizes an abnormal physical stress to the system, determines that the system has been damaged and remediates the damage by salvaging what is undamaged or providing alternative ways to handle the broken parts of the system.
Abstract: This disclosure relates to a pixel driving circuit for driving a pixel group with two adjacent pixel units. The pixel group includes a first pixel unit and a second pixel unit. Each pixel driving circuit is capable of driving the first pixel unit and the second pixel unit in one same pixel group. The pixel driving circuit includes a driving module, a first switching module, and a second switching module. The driving module includes a control terminal, a first connecting terminal, a second connecting terminal and a driving transistor, and the control terminal is capable of storing voltage, the driving module is configured to adjust and control the magnitude of an electrical signal passing through the driving transistor due to the voltage stored at the control terminal. A display device having the pixel driving circuit is also provided.
Abstract: A displaying method for a displaying apparatus having a liquid crystal display panel for displaying images thereon is used for displaying images in accordance with a periodic time sequence. The periodic time sequence includes a plurality of scanning time periods and a plurality of vertical blanking intervals. The scanning time periods and the vertical blanking intervals are staggered. The displaying method includes the steps of: providing a substantially identical frame image data by a control module of the displaying apparatus to the liquid crystal display panel for each scanning time period; and providing a back light by a backlight module of the displaying apparatus to the liquid crystal display panel after an end point of the first one of the scanning time periods. Therein, the back light has a light intensity. Further, the light intensity can be designed to be adjustable.
Abstract: A touchpad module includes a circuit board, a switch and a conductive raised structure. The circuit board includes a first conducting part and a second conducting part. The switch is installed on the circuit board. The switch includes a metal dome. The metal dome includes a first portion corresponding to the first conducting part and a second portion corresponding to the second conducting part. When the metal dome is subjected to deformation, the first portion of the metal dome is contacted with the first conducting part. The conductive raised structure is arranged between the second conducting part and the second portion of the metal dome. Since a gap is formed between the circuit board and the second portion of the metal dome, the contact area between the metal dome and the circuit board is reduced. Consequently, the generated noise is reduced.
Abstract: An example accessory can be attached to an information processing device. The accessory includes a housing, a movable operation section, and a movable portion. An inside of the housing is visible from an outside thereof through at least a portion thereof. At least a portion of the operation section is exposed on the outside of the housing. The movable portion is placed at a position inside the housing that is visible from the outside of the housing through the portion of the housing. A position and/or an attitude of the movable portion changes in response to the operation section being operated.
Abstract: A method and apparatus of touch control for a multi-point touch terminal, wherein the apparatus of the touch control obtains a first operation for a first touch button on a touch screen of the multi-point touch terminal by the user and a second operation for a second touch button thereof by the user, and then carries out an object operation corresponding to the second operation according to an operation object corresponding to the first operation.
Abstract: A retractable pen adapted for being accommodated in a portable electronic device is provided. The retractable pen includes a housing, a shaft fixed in the housing and having a first ratcheting structure, a cap having a second ratcheting structure movably engaged with the first ratcheting structure, a driving member rotatably sheathing the shaft and having a third ratcheting structure, and an elastic member sheathing the shaft and leaning against the shaft and the driving member. The elastic member constantly drives the driving member toward the first ratcheting structure or the second ratcheting structure. In a first state, the third ratcheting structure leans against the first ratcheting structure. In a second state, the third ratcheting structure is movably engaged with the second ratcheting structure and leans against the first ratcheting structure so as to push the cap away from the housing.