Abstract: The image processing apparatus includes a sticking model circuit and a dynamic adjustment circuit. The sticking model circuit correspondingly provides degradation information according to pixel data of a current pixel. The dynamic adjustment circuit dynamically adjusts original image data of the current pixel according to the degradation information to generate output data. The dynamic adjustment circuit converts a first sub-pixel of the current pixel to at least one second sub-pixel of the current pixel when luminance is maintained. The dynamic adjustment circuit provides the output data to the sticking model circuit.
Abstract: A gate driver of array (GOA) circuit includes a plurality of cascaded GOA units, wherein an N-th GOA unit includes a scan control circuit, a reverse circuit, a gate signal output circuit, and a potential holding circuit. The reverse circuit is coupled to the scan control circuit. The gate signal output circuit is coupled to an Nth clock signal, the scan control circuit, and the reverse circuit. The potential holding circuit is coupled to the scan control circuit, the reverse circuit, and the gate signal output circuit.
Type:
Grant
Filed:
March 17, 2020
Date of Patent:
May 3, 2022
Assignee:
Wuhan China Star Optoelectronies Technology Co., Ltd.
Abstract: A pixel driving circuit includes a first switching element, a second switching element, a first compensation element, a second compensation element, a driving transistor, a capacitor, and a third switching element.
Abstract: A touch sensing device includes a touch coordinate calculation unit configured to calculate touch coordinates for touch inputs that occurred on a touch screen panel, a reference coordinate setting unit configured to set one reference coordinate for each predetermined sample section on the basis of positions at which the touch coordinates are generated, and a touch coordinate correction unit configured to generate touch output-coordinates for the touch coordinates by smoothing each of touch coordinates positioned in a corresponding sample section on the basis of the reference coordinate set for the corresponding sample section.
Abstract: A detection circuit includes: a first detection sub-circuit for outputting a first data signal to red sub-pixels under the control of a first scanning signal; a second detection sub-circuit for outputting the first data signal to green sub-pixels under the control of a second scanning signal; a third detection sub-circuit for outputting a second data signal to blue sub-pixels under the control of the second scanning signal; and a fourth detection sub-circuit for outputting the second data signal to preset sub-pixels under the control of the first scanning signal; wherein the preset sub-pixels are any one of red sub-pixels, green sub-pixels and blue sub-pixels.
Abstract: Discussed is a display device including an organic light emitting diode display panel where sub pixels adjacent to each other along a direction of a gate line are paired and arranged to share a single data line. In order for the sub pixels to be driven according to a DRD method, a timing controller aligns image data and transmits the aligned image data to a data driver so that same-colored sub pixels continue to emit light based on a unit of a plurality of predetermined horizontal periods, and generates gate and data control signals and supplies the control signals to the gate and data drivers so that a predetermined driving period of the sub pixels is changed.
Abstract: A pixel driving circuit includes: a first thin film transistor, a second thin film transistor, a third thin film transistor, a fourth thin film transistor, a fifth thin film transistor, a sixth thin film transistor, a seventh thin film transistor, an eighth thin film transistor, a first capacitor, and an organic light emitting diode (OLED). Gates of the seventh thin film transistor and the eighth thin film transistor respectively input a first scanning signal and a second scanning signal, and when the first scanning signal is at a low level, a reverse bias reset can be performed on the OLED.
Abstract: A resistive touch screen includes: a cover plate; conductive traces formed on the cover plate; a carbon resistance layer printed on the cover plate between the conductive traces, wherein the conductive traces are electrically connected to the carbon resistance layer to form an inductive resistive layer, and a resistance value can be changed by external pressure to achieve touch control.
Abstract: A piezoresistive detection circuit includes a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor, a first end of the fixed resistor is connected with a first voltage signal terminal, and a second end of the fixed resistor is connected with a first node, a first end of the pressure sensitive resistor is connected with the first node, and a second end of the pressure sensitive resistor is grounded, a gate electrode of the first transistor is connected with the first node, a source electrode of the first transistor is connected with a second voltage signal terminal, and a drain electrode of the first transistor is connected with a source electrode of the second transistor, a gate electrode of the second transistor is connected with a scanning signal line, and a drain electrode of the second transistor is connected with a readline.
Abstract: A display device having a first substrate, a photosensitive layer, a liquid crystal layer, a second substrate, and a collimation layer that are stacked successively. The photosensitive layer comprises a plurality of photosensitive units. The second substrate comprises a plurality of display units and a shutter layer having a plurality of first holes, any adjacent two of the display units are spaced by the shutter layer, and one of the first holes is located between any adjacent two different ones of the display units. The collimation layer comprises a plurality of collimators, each of the plurality of collimators defines a second hole communicated with a corresponding one of the first holes and facing a corresponding one of the photosensitive units, and a light signal passes through the second hole and the corresponding one of the first holes and reaches the corresponding one photosensitive unit.
Type:
Grant
Filed:
June 23, 2020
Date of Patent:
April 12, 2022
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Abstract: A fingerprint module includes a substrate, a plurality of fingerprint identification components, a fingerprint chip, and a plurality of metal wires. The substrate has an identification area configured to identify a fingerprint and a non-identification area located at a periphery of the identification area. The fingerprint identification components are disposed in the identification area of the substrate. The fingerprint chip is disposed in a non-identification area of the substrate. Each of the fingerprint identification components is electrically connected to the fingerprint chip through a corresponding metal wire.
Type:
Grant
Filed:
November 23, 2018
Date of Patent:
April 12, 2022
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
Inventors:
Chunhung Huang, Yaoli Huang, Xinglong He
Abstract: A pixel compensation circuit includes: an integration circuit, a comparison circuit, a timing circuit, and a processor, wherein the integration circuit is configured to integrate driving currents of a pixel circuit, and then output a first voltage; the comparison circuit is configured to receive the first voltage, compare the first voltage with a first reference voltage, and then output a first logic control signal; the timing circuit is configured to acquire a first working duration; and the processor is configured to acquire the first working duration, obtain, according to correlations between the pre-obtained working duration and the pixel driving currents, a target driving current, corresponding to the first working duration, of the pixel circuit, and obtain a compensation parameter according to the target driving current.
Abstract: A backlight module includes a light-shielding sheet, a light guide plate under the light-shielding sheet, a reflective sheet under the light guide plate, a main circuit board under the reflective sheet, a light-emitting unit on the main circuit board, a flexible circuit board under the reflective sheet, and an electrical connector electrically connected to the flexible circuit board and the main circuit board. A protrusion of the reflective sheet protrudes into a through hole of the light guide plate. The light-emitting unit passes through an opening of the reflective sheet to be accommodated in a slot hole of the light guide plate. The light-emitting unit is configured to emit light to reach a light exit area of the light-shielding sheet through the light guide plate. The electrical connector is aligned with the through hole or further protrudes into the through hole.
Abstract: A display device includes a display panel, a control part below the display panel and including a first control layer below the display panel, a second control layer below the first control layer, and a third control layer below the second control layer. The first control layer includes a first transmission portion and a first absorption portion. The second control layer includes a second transmission portion and a second absorption portion. The third control layer includes a third transmission portion and a third absorption portion. The display panel also includes a sensing layer below the control part to recognize biometric information.
Type:
Grant
Filed:
June 5, 2020
Date of Patent:
March 22, 2022
Assignee:
Samsung Display Co., Ltd.
Inventors:
Sikwang Kim, Minsuk Ko, Kabjong Seo, Yong-Hoon Yang
Abstract: The display panel includes an active region including data lines, gate lines crossing the data lines, and pixels arranged in a matrix, and a shift register arranged distributively in the active region and configured to supply a gate pulse to the gate lines.
Type:
Grant
Filed:
September 4, 2020
Date of Patent:
March 22, 2022
Inventors:
In-Hyo Han, Ki-Min Son, Kil-Hwan Oh, Hae-Jin Park, Kyung-Min Kim
Abstract: A pixel circuit includes a storage device directly connected to a control line so that a light-emitting device may emit light under a control of a control signal from the control line. The pixel circuit further includes: a first transistor; a second transistor; and a third transistor. A control terminal of the first transistor is connected to a first scan line, a second terminal of the first transistor is connected to an output node, and a first terminal of the storage device is connected to the output node. A control terminal of the second transistor is connected to the output node. A control terminal of the third transistor is connected to a second scan line, a second terminal of the third transistor is connected to an anode of the light-emitting device, and a cathode of the light-emitting device is grounded.
Abstract: There is provided a device that includes: a display; at least one sensor disposed to be adjacent to the display; a biometric sensor disposed in at least a partial region of the display; and at least one processor, wherein the at least one processor can be set up to receive an input in the at least a partial region from an external object, by using the at least one sensor or the biometric sensor, and to obtain biometrics of the external object by using the biometric sensor on the basis, at least partially, of the input by the external object.
Type:
Grant
Filed:
August 29, 2018
Date of Patent:
March 15, 2022
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Kem-Suk Seo, Bong-Jae Rhee, Sun-A Kim, Jeong-Hoo Kim, Chi-Hyun Cho
Abstract: A system evaluates a point of gaze of a user on an object and includes at least one eye tracker camera and at least one positioning camera. The eye tracker camera and the positioning camera are configured to be arranged in fixed positions relative to each other. At least one light source is configured to provide conical reflection from at least one of a user's eyes. At least one computer and at least one object is provided. The geometrical data of the object is stored in a storage device accessible to the computer. Wherein the computer is configured to determine: a gaze line of said user relative to a 3D coordinate system, the position of said at least one object relative to said 3D coordinate system, and a gaze point calculated as the intersection of said gaze line with the surface of said object in said 3D coordinate system.
Abstract: Systems, methods and apparatus for using a magnetic controller to control a device. In one aspect, a system includes a magnetic controller external to a device, the magnetic controller including: a magnetic device for altering a surrounding magnetic field of a device; one or more input actuators, each operatively coupled to the magnetic device and that when actuated cause the magnetic device to alter the surrounding magnetic field according to a predefined change associated with the input actuator; and a model executable by the device and that models as device inputs the differences in the surrounding magnetic field of the device caused by the actuation of the one or more input actuators.
Abstract: A pixel driving circuit in each of the pixels includes: a first switching circuit that is turned on in response to the (n?2)th scan signal to provide a V1 voltage to a first node, provide a V3 voltage to a third node, and provide a V2 voltage to an anode of the light-emitting element; a second switching circuit turned on in response to the nth scan signal to electrically connect the first node to a second node, provide a V5 voltage to the third node, and provide a data voltage to a fourth node; and an emission control circuit turned on in response to the nth emission signal to electrically connect a second node to the anode and provide a reference voltage to the fourth node.