Display Driving Control Circuitry Patents (Class 345/204)
-
Patent number: 11423835Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.Type: GrantFiled: January 25, 2021Date of Patent: August 23, 2022Inventors: Young-In Hwang, Sung Ho Kim, Eung Taek Kim, Yong Ho Yang, Seong Min Wang, Jung-Mi Choi
-
Patent number: 11423853Abstract: The disclosed system increases resolution of a display. The display operates at a predetermined frequency by displaying a first image at a first time and a second image at a second time. A selective screen disposed between the display and the camera includes multiple light transmitting elements. A light transmitting element A redirects a first portion of light transmitted by the display. A light transmitting element B allows a second portion of light transmitted by the display to reach the camera. The selective screen increases the resolution of the display by operating at the predetermined frequency and causing a first portion of the first image to be shown at the first time, and a second portion of the second image to be shown at the second time. The camera forms an image from the first portion of the first image, and the second portion of the second image.Type: GrantFiled: November 30, 2021Date of Patent: August 23, 2022Assignee: Unity Technologies SFInventors: Joseph W. Marks, Luca Fascione, Kimball D. Thurston, III, Millie Maier, Kenneth Gimpelson, Dejan Momcilovic, Keith F. Miller, Peter M. Hillman, Jonathan S. Swartz, Carter Bart Sullivan
-
Patent number: 11417288Abstract: The present invention provides a control circuit applied to a display panel, wherein the control circuit includes a receiving interface, an image processing circuit and a transmission interface. The receiving interface is configured to receive image data, wherein the image data has a variable frame rate. The image processing circuit is configured to receive the image data from the receiving interface, and perform a frequency multiplication operation on the image data according to a frame rate of the image data to generate output image data, wherein a frame rate of the output image data is a positive integer multiple of the frame rate of the image data. The transmission interface is configured to receive the output image data from the image processing circuit, and transmit the output image data to the display panel.Type: GrantFiled: October 20, 2021Date of Patent: August 16, 2022Assignee: Realtek Semiconductor Corp.Inventor: Li-Ang Chen
-
Patent number: 11417289Abstract: The invention provides a driving circuit of a display panel and an operation method thereof. The driving circuit includes a calculation circuit and an edge processing circuit. The calculation circuit converts original image frame data into first image frame data for driving a first pixel array layer and second image frame data for driving a second pixel array layer. The edge processing circuit converts the second image frame data into third image frame data. The edge processing circuit performs an edge detection on a current pixel in the second image frame data to determine whether the current pixel belongs to an image edge. The edge processing circuit determines whether to adjust a gray level of an adjacent pixel in the second image frame data as the gray level of the adjacent pixel in the third image frame data according to a result of the edge detection.Type: GrantFiled: December 29, 2020Date of Patent: August 16, 2022Assignee: HIMAX TECHNOLOGIES LIMITEDInventor: Tung-Ying Wu
-
Patent number: 11410627Abstract: The embodiment of the present disclosure provides a dual gate array substrate and a display device. The dual gate array substrate includes pairs of gate lines and data lines. The pairs of gate lines and the data lines intersect perpendicularly to define multiple display units arranged in an array. The display units include two sub-pixels of a same color, and the sub-pixels of the same color on both sides of one data line are coupled to the one data line.Type: GrantFiled: March 31, 2020Date of Patent: August 9, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenjun Xiao, Shijun Wang, Wenkai Mu, Bingqing Yang, Yi Liu, Bo Feng, Xiaoxiao Chen, Yang Wang, Zhiying Bao, Haoliang Ji, Tianxin Zhao, Ji Dong, Hao Xu
-
Patent number: 11412261Abstract: A video decoding device includes a demultiplexer which demultiplexes a video bitstream including video data of an encoded slice, Supplemental-Enhancement-Information having first information indicating a leading picture in gradual refresh, and Supplemental-Enhancement-Information having second information indicating segments where a refresh has completed in a current picture; an extractor which extracts the second information from a message which is part of the demultiplexed Supplemental-Enhancement-Information; and a video decoder which decodes image data from the demultiplexed video bitstream by using at least inter prediction, wherein the video decoder starts decoding based on the leading picture in gradual refresh.Type: GrantFiled: June 18, 2020Date of Patent: August 9, 2022Assignee: NEC CORPORATIONInventors: Hirofumi Aoki, Keiichi Chono, Masato Tsukada
-
Patent number: 11410609Abstract: Provided is an output control device for providing control signals for a pixel circuit, which includes: a first output device configured to output a first control signal for controlling writing of a data signal into the pixel circuit, a second output device configured to output a second control signal for controlling a light emitting element to emit light, and a third output device configured to output a third control signal for controlling resetting of the light emitting element. A frequency of the third control signal is higher than a frequency of the first control signal. In a first period, the second control signal is an active level signal and the third control signal is an inactive level signal. In a second period, the second control signal is an inactive level signal and the third control signal is an active level signal.Type: GrantFiled: August 20, 2020Date of Patent: August 9, 2022Assignees: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng Zhang, Yana Gao, Xingyao Zhou
-
Patent number: 11412194Abstract: The present invention is a computer implemented method for projecting an image, comprising: providing an electronic device, wherein the electronic device has an image sensing component, a processing component, and a projecting component; capturing, by one or more processors, at least one image of an environment within the visible space of the projecting component of the electronic device; generating, by one or more processors, a depth map of the visible space of the environment; selecting, by one or more processors, an image to be projected on a portion of the visible space; altering, by one or more processors, the image based on the generated depth map of the visible space relative to the selected portion of the visible space; and projecting, by one or more processors, the image on the portion of the visible space.Type: GrantFiled: July 29, 2019Date of Patent: August 9, 2022Inventor: Dana Comradd
-
Patent number: 11411199Abstract: A display panel includes a substrate having a first area, a second area, and a third area disposed between the first area and the second area. A plurality of display elements are disposed in the second area. The plurality of display elements includes two display elements spaced apart from each other with the first area disposed therebetween. Each of the plurality of display elements includes a pixel electrode, a counter electrode, and an intermediate layer disposed between the pixel electrode and the counter electrode. A separator is located in the third area and includes at least one reverse-tapered inclined surface. An inorganic layer is disposed on the separator. At least one sub-layer included in the intermediate layer is discontinuous across the separator.Type: GrantFiled: December 20, 2019Date of Patent: August 9, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ikjoong Seong, Kyunghan Kim, Dongwook Kang, Dongseong Koo, Kyungoh Choi
-
Patent number: 11402803Abstract: A timepiece includes a display unit including a first indicating hand and a dial so as to display a time, in which the dial has a first scale having a number for showing an absolute value of a positive numerical value within a plurality of numerical values indicated by the first indicating hand, a second scale having a number for showing an absolute value of a negative numerical value within the plurality of numerical values, a first sign for showing that the numerical value indicated by the first indicating hand is positive, and a second sign for showing that the indicated numerical value is negative.Type: GrantFiled: February 27, 2019Date of Patent: August 2, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Nobuhiko Nakanishi, Tadasuke Kotaki
-
Patent number: 11402684Abstract: The present disclosure provides a display assembly, a display device and a method for controlling the display device. The display assembly includes a first polarizer, a first liquid crystal panel, a second polarizer, a second liquid crystal panel and a third polarizer laminated one on another sequentially. One of the first liquid crystal panel and the second liquid crystal panel is a display panel, and the other is a light-transmitting control panel. The display assembly further includes a first semi-transparent reflective layer and a second semi-transparent reflective layer located on two sides of the light-transmitting control panel, respectively.Type: GrantFiled: September 28, 2021Date of Patent: August 2, 2022Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xia Shi, Yuanhui Guo, Yujie Gao, Yang Hu, Peipei Zhang
-
Patent number: 11404517Abstract: A display panel includes: a first scan line, a second scan line, and a third scan line; a data line; a first pixel in a first pixel area, connected to the first scan line and the second scan line, and connected to the data line through a first capacitor; and a second pixel in a second pixel area, connected to the second scan line and the third scan line, and connected to the data line through the first capacitor.Type: GrantFiled: July 1, 2020Date of Patent: August 2, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jong Hyun Yun, Pil Suk Lee
-
Patent number: 11404020Abstract: The present disclosure provides a driving circuit and a liquid crystal display device. The driving circuit is configured to drive the liquid crystal to display and includes liquid crystal driving chips configured to receive original Gamma voltage; a time sequence control chip configured to receive the original Gamma voltages transmitted by the liquid crystal driving chips and output Gamma voltage adjust correcting parameters to the liquid crystal driving chips; the liquid crystal driving chip compensating and correcting the original Gamma voltage according to the Gamma voltage adjust correcting parameters to make Gamma voltages of each of the liquid crystal driving chips equal.Type: GrantFiled: December 10, 2019Date of Patent: August 2, 2022Inventor: Jinfeng Liu
-
Patent number: 11402693Abstract: A surface light source device comprises: a plurality of light sources, an optical sheet, and a diffusion plate. The optical sheet includes a transmission part having a plurality of through holes that are configured to transmit light emitted from the light sources, and a reflection part configured to reflect the light emitted from the light sources. The optical sheet is configured such that the through holes include a plurality of first through holes each having a hole diameter set according to a distance from a respective one of the light sources, and at least one second through hole each having a hole diameter set to a different size from the hole diameter set according to the distance from the respective one of the light sources.Type: GrantFiled: April 12, 2021Date of Patent: August 2, 2022Assignee: FUNAI ELECTRIC CO., LTD.Inventor: Tatsuya Ito
-
Patent number: 11398201Abstract: This application discloses a data processing method for a display panel, and a display apparatus. The data processing method includes steps of: setting a low-voltage differential signaling including data bits and a select status bit, and assigning a value to the select status bit according to a corresponding select low-voltage differential signaling; receiving, by a timing controller, the low-voltage differential signaling; and reading, by the timing controller, the select status bit of the low-voltage differential signaling, processing the low-voltage differential signaling according to the select status bit, and converting the low-voltage differential signaling into a data format corresponding to the select status bit.Type: GrantFiled: December 27, 2018Date of Patent: July 26, 2022Assignee: HKC CORPORATION LIMITEDInventors: Dekang Zeng, Shuixiu Hu
-
Patent number: 11397488Abstract: A touch sensor includes a base layer and a wiring formed in a display area among a vertex region of the base layer and made of a transparent or translucent material at least partially.Type: GrantFiled: March 24, 2021Date of Patent: July 26, 2022Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Ju In Yoon, Sungwoo Yu, Gun Young Lee
-
Patent number: 11398188Abstract: What is disclosed are methods of non-uniformity compensation for active matrix light emitting diode device (AMOLED) and other emissive displays. For each pixel, greyscale level offsets for a number of predetermined greyscale drive levels which produce a uniform flat field are determined and used to generate a correction function for the pixel.Type: GrantFiled: May 20, 2021Date of Patent: July 26, 2022Assignee: Ignis Innovation Inc.Inventors: Raymond Leerentveld, Daniel James Hills, Samer Musa
-
Patent number: 11394916Abstract: Using the same image sensor to capture a two-dimensional (2D) image and three-dimensional (3D) depth measurements for a 3D object. A laser point-scans the surface of the object with light spots, which are detected by a pixel array in the image sensor to generate the 3D depth profile of the object using triangulation. Each row of pixels in the pixel array forms an epipolar line of the corresponding laser scan line. Timestamping provides a correspondence between the pixel location of a captured light spot and the respective scan angle of the laser to remove any ambiguity in triangulation. An Analog-to-Digital Converter (ADC) in the image sensor operates as a Time-to-Digital (TDC) converter to generate timestamps. A timestamp calibration circuit is provided on-board to record the propagation delay of each column of pixels in the pixel array and to provide necessary corrections to the timestamp values generated during 3D depth measurements.Type: GrantFiled: November 9, 2020Date of Patent: July 19, 2022Inventors: Yibing Michelle Wang, Ilia Ovsiannikov
-
Patent number: 11395422Abstract: A display device includes a flexible display panel, and an accommodation section configured to house the flexible display panel and provided with at least one movable guide member being movable and a plurality of fixed guide members configured to support the flexible display panel, where a distance between the at least one movable guide member and the plurality of fixed guide members at a time of pull-out is different from that at a time of housing.Type: GrantFiled: September 27, 2018Date of Patent: July 19, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Katsuyuki Suga, Yuki Yasuda
-
Patent number: 11393408Abstract: The present disclosure provides a display panel and display device. The display panel includes: data lines disposed in a display area; a bonding terminal disposed in a non-display area surrounding the display area; fan-out lines; and demuxes disposed between the display area and the bonding terminal; each of the demuxes comprises at least two switch transistors; each switch transistor in one demux has a first electrode electrically connected to a corresponding data line of the data lines through a first connection line, a second electrode connected to the bonding terminal through one of the fan-out lines corresponding to the one demux, and a gate electrode electrically connected to a first clock signal line corresponding to the switch transistor; each fan-out line of the display panel overlaps the first clock signal line for an equal number of times.Type: GrantFiled: March 22, 2021Date of Patent: July 19, 2022Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Yue Li, Xingyao Zhou, Kaihong Huang
-
Patent number: 11386862Abstract: The present application discloses a driving method, a display panel and a driving circuit. The driving method is applied to the display panel, and includes a step of outputting a gate driving signal to a corresponding gate line of the display panel. A signal period of the gate driving signal includes a hold time, an open time, and a first pull-down time adjacent to the open time. The gate driving signal is in a first low level within the hold time, in a high level at the open time, and in a second low level within the first pull-down time, where the second low level is lower than the first low level.Type: GrantFiled: February 20, 2019Date of Patent: July 12, 2022Assignee: HKC CORPORATION LIMITEDInventor: Jianfeng Shan
-
Patent number: 11386828Abstract: A display device may include a display panel including a plurality of pixels. An interpolator may be configured to generate a first voltage value corresponding to an input data value using a preset gamma lookup table. A gamma compensator may be configured to, based on a dimming value, select at least one of a plurality of preset dimming lookup tables, and may calculate a first output data value by correcting the first voltage value based on the at least one dimming lookup table. A gamma voltage generator may be configured to generate a plurality of gamma voltages having a linear relationship. A data driver may be configured to select a first gamma voltage from among the gamma voltages based on the first output data value, and provide the first gamma voltage, as a data voltage, to the display panel.Type: GrantFiled: May 29, 2020Date of Patent: July 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Min Weun Kim, Chan Gyeong Lee, Hyeong Uk Lee
-
Patent number: 11388368Abstract: A processor is configured to be coupled to a display panel. The processor includes a first storage circuit, a converter circuit, and an overdrive circuit. The first storage circuit is configured to store input video data. The converter circuit is configured to receive the input video data, and adjust a frame rate of the input video data, to generate adjusted video data. The overdrive circuit is configured to perform an overdrive process according to the adjusted video data, to generate a driving signal, such that the display panel displays a video according to the adjusted video data and the driving signal.Type: GrantFiled: March 1, 2021Date of Patent: July 12, 2022Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Jui-Te Wei, Po-An Chen, Wei-Chih Lin, Yung-Chih Chen
-
Patent number: 11386826Abstract: A flat-panel display comprises an array of pixels distributed in rows and columns. A first wire segment is electrically connected to a first subset of pixels in a row or column of pixels that conducts a signal between a controller and the first subset of pixels, and a second wire segment is electrically connected to a second subset of pixels in the row or column of pixels. A signal regeneration circuit electrically connected to the first wire segment and to the second wire segment regenerates a signal conducted on the first wire segment and drives the regenerated signal onto the second wire segment or regenerates a signal conducted on the second wire segment and drives the regenerated signal onto the first wire segment.Type: GrantFiled: June 22, 2021Date of Patent: July 12, 2022Assignee: X Display Company Technology LimitedInventors: Ronald S. Cok, Matthew Alexander Meitl
-
Patent number: 11387437Abstract: A method of fabricating a display substrate having a display area and a peripheral area is provided. The method includes forming a plurality of light emitting elements on a base substrate and in the display area; forming an encapsulating layer on a side of the plurality of light emitting elements distal to the base substrate to encapsulate the plurality of light emitting elements; forming an insulating layer, wherein the insulating layer is formed between the encapsulating layer and the base substrate; and forming a first barrier wall in the peripheral area and on a side of the insulating layer away from the base substrate, the first barrier wall forming a first enclosure substantially surrounding a first area. A side of the first barrier wall away from the base substrate is wider than a side of the first barrier wall closer to the base substrate.Type: GrantFiled: August 26, 2019Date of Patent: July 12, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Ziyu Zhang, Chunyan Xie
-
Patent number: 11380256Abstract: A pixel driving circuit may include a first switch circuit, a second switch circuit, a first initialization circuit, a drive circuit, a second initialization circuit, a compensation circuit, an isolation circuit, and an energy storage circuit.Type: GrantFiled: January 30, 2019Date of Patent: July 5, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Xiaohai Chen
-
Patent number: 11380246Abstract: An electroluminescent display device comprises subpixels each including a pixel driving circuit driven in accordance with an initialization period, a sampling period and a light emission period. The pixel driving circuit includes a light emitting diode, a driving transistor including a gate connected to a first node, a drain connected to a second node, and a source connected to a third node, a first switching circuit turned on for the initialization period, providing an initialization voltage to the first node and providing a fixed voltage to the third node, a second switching circuit turned on for the sampling period, applying a data voltage to the third node and providing the initialization voltage to an anode of the light emitting diode, and a light emitting control circuit controlled by an emission signal and turned on for the light emission period to provide a high potential voltage to the third node.Type: GrantFiled: December 1, 2020Date of Patent: July 5, 2022Assignee: LG Display Co., Ltd.Inventors: Jaesung Kim, Kiwoo Kim, Sungwook Chang, Hyungsoo Kim
-
Patent number: 11380628Abstract: A mother substrate for display substrates, a manufacture method thereof, a display substrate and a display device are provided. The mother substrate for display substrates includes multiple display element formation regions and a dividing line surrounding each display element formation region. A recess-protrusion structure is provided between the dividing line and the display element formation region, the recess-protrusion structure includes multiple recesses and protrusions which are arranged alternately, and extension directions of the recess and the protrusion are identical to an extension direction of the dividing line.Type: GrantFiled: August 8, 2018Date of Patent: July 5, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Benlian Wang, Yingsong Xu, Haijun Yin
-
Patent number: 11380248Abstract: A driving method is to be implemented by a driver module, is adapted to drive a scan-type display, and includes steps of: receiving an image stream and a synchronization control (SC) signal from a control module; generating a drive output based on the SC signal, the image stream and a clock signal to drive the display such that the display emits light in a line scan manner; and generating an image refresh signal based on the SC signal and the drive output. The image refresh signal is related to refreshing of images on the display.Type: GrantFiled: March 18, 2021Date of Patent: July 5, 2022Assignee: MACROBLOCK, INC.Inventors: Yi-Ta Wu, Chun-Yi Li
-
Patent number: 11381714Abstract: An image processing device includes an interface and a control circuit. The interface is configured to receive input line signals in synchronization with input horizontal synchronization signals, respectively. The control circuit is configured to store line image data contained in each of input line signals in the order of reception, generate internal horizontal synchronization signals, and output internal line signals containing the line image data in the input line signals, in synchronization with the internal horizontal synchronization signals, respectively. The input line signals include a first input line signal containing first line image data, and the internal line signals include a first internal line signal containing the first line image data. A horizontal cycle of the internal horizontal synchronization signal corresponding to the first internal line signal is less than a horizontal cycle of the input horizontal synchronization signal corresponding to the first input line signal.Type: GrantFiled: March 3, 2021Date of Patent: July 5, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Akira Moriya
-
Patent number: 11372246Abstract: An optical waveguide is provided. The optical waveguide includes a base structure and a plurality of grating structures disposed at the base structure. The grating structures include a plurality of in-coupling grating structures configured to couple a plurality of lights into the optical waveguide. At least one of a grating period or a slant angle of a first in-coupling grating structure is different from at least one of a corresponding grating period or a corresponding slant angle of a second in-coupling grating structure. The grating structures also include a plurality of out-coupling grating structures configured to couple the lights out of the optical waveguide.Type: GrantFiled: February 12, 2020Date of Patent: June 28, 2022Assignee: FACEBOOK TECHNOLOGIES, LLCInventors: Matthieu Charles Raoul Leibovici, Pasi Saarikko
-
Patent number: 11374053Abstract: A method of assembling a display area includes selecting a first tile from a plurality of tiles, each tile of the plurality of tiles includes a predetermined parameter and a plurality of microLEDs defining a plurality of pixels. The selecting the first tile based on a value of the predetermined parameter of the first tile. The method includes selecting a second tile from the plurality of tiles based on a value of the predetermined parameter of the second tile. The method further includes positioning the first tile and the second tile into an array defining at least a portion of the display area. A first edge of the first tile facing a second edge of the second tile. A display device including the display area assembled by the method is also provided.Type: GrantFiled: November 6, 2018Date of Patent: June 28, 2022Assignee: Corning IncorporatedInventors: Sean Matthew Garner, David Robert Heine
-
Patent number: 11366995Abstract: Methods and systems disclosed herein may communicate information, such as alerts and notifications, to a cardholder via a color-changing transaction card. In particular, the cardholder may configure one or more thresholds that establish when a transaction card may change colors. For instance, a transaction card may change colors at, or while approaching, a first threshold. The transaction card may change colors at, or while approaching, a second threshold. When the cardholder's balance goes below the thresholds, the transaction card may revert back to the lower threshold color or the original color of the transaction card. Using the techniques described herein a financial institution may convey information to a cardholder in a way that does not require the cardholder to digitally engage with the financial institution.Type: GrantFiled: May 24, 2021Date of Patent: June 21, 2022Assignee: Capital One Services, LLCInventors: Timur Sherif, Cara Weikel, Steve Blanchet, Kevin Osborn
-
Patent number: 11361694Abstract: Embodiments of the present disclosure provide a shift register, a gate driving circuit, and a display apparatus. The shift register comprises a power consumption-reducing sub-circuit and an output sub-circuit; wherein: the power consumption-reducing sub-circuit is connected to a clock signal terminal, a control terminal, and the output sub-circuit, the power consumption-reducing sub-circuit is used to output a signal of the clock signal terminal to the output sub-circuit under the control of the control terminal; the output sub-circuit is connected to the clock signal terminal through the power consumption-reducing sub-circuit and is also connected to an output terminal and a pull-up node, the output sub-circuit is used to output an output signal of the power consumption-reducing sub-circuit to the output terminal under the control of the pull-up node.Type: GrantFiled: May 10, 2019Date of Patent: June 14, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruifang Du, Ruiying Yang, Lingjuan Liu, Xiaoye Ma
-
Patent number: 11361692Abstract: A display panel and a display device are disclosed. The display panel includes: a plurality of scanning line arranged in a first direction, a plurality of data lines arranged in a second direction, a first drive circuit and a second drive circuit. The first drive circuit has a plurality of scanning signal output ends connected to the plurality of scanning lines in one-to-one correspondence. The second drive circuit has a plurality of data signal output ends connected to the plurality of data lines in one-to-one correspondence. The plurality of data lines includes first data lines and second data lines, the distance between the first data line and the first drive circuit is less than that between the second data line and the first drive circuit, and the line width of the first data line is larger than that of the second data line.Type: GrantFiled: July 19, 2018Date of Patent: June 14, 2022Assignee: HKC CORPORATION LIMITEDInventor: Beizhou Huang
-
Patent number: 11355059Abstract: This application relates to a display device. In one aspect, the display device includes a first data line extending in a first direction; and a second data line spaced apart from and parallel to the first data line. The display device also includes a pixel circuit electrically connected to one of the first and second data lines, and a shield line extending in the first direction and not disposed between the first and second data lines.Type: GrantFiled: April 26, 2016Date of Patent: June 7, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heerim Song, Mukyung Jeon, Iljoo Kim
-
Patent number: 11348534Abstract: A shift register unit and a method for driving the same, and a gate driving circuit are provided. The shift register unit includes: an adjustment circuit coupled between an input signal terminal and an input node of the shift register unit, and configured to couple or decouple the input signal terminal and the input node under control of a potential at the input signal terminal; an input circuit for providing a potential at the input node to the pull-up node under control of a potential at the input signal terminal; an output circuit for receiving a clock signal from the clock signal terminal and provide an output signal to the output signal terminal based on the received clock signal under control of a potential at the pull-up node; and a control circuit for controlling a potential at the output signal terminal under control of a potential at the pull-up node.Type: GrantFiled: June 19, 2020Date of Patent: May 31, 2022Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuehuan Feng, Sixiang Wu
-
Patent number: 11348518Abstract: A method for driving a display panel and a display device are provided. The driving method includes supplying, during a data writing stage of each row of pixel circuits, a driving voltage VA[i] to the data line corresponding to each of the pixel circuits in a row, and supplying a compensation voltage VS to the second node of each of the pixel circuits in the row, and VA[i]=Vdata[i]+Vth[i]+VS, where Vdata[i] is an original data voltage of an ith pixel circuit of the pixel circuits, i is a positive integer, Vth[i] is a threshold voltage of the driving transistor of the ith pixel circuit, and a range from which a value of the compensation voltage VS is selected is [?Vth_min, 0), and Vth_min is a minimum value among all of the threshold voltages of the driving transistors of the pixel circuits of the display panel.Type: GrantFiled: May 20, 2019Date of Patent: May 31, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenchao Bao, Min He, Chun Cao
-
Patent number: 11348520Abstract: An organic light emitting display device includes a display panel including a plurality of pixels each including an organic light emitting diode, a gate driver configured to supply a gate driving signal to each of the pixels, a data driver configured to supply a data voltage to each of the pixels, a multiplexer being switched in response to an external control signal to output any one of the data voltage and a voltage supplied from a separate power supply line, and a timing controller configured to control the multiplexer to transfer the data voltage to a data line of each of the pixels in a refresh period in a low-speed driving mode and transfer the voltage from the separate power supply line to the data line of each of the pixels for at least one anode reset period in a hold period in the low-speed driving mode.Type: GrantFiled: December 15, 2020Date of Patent: May 31, 2022Assignee: LG Display Co., Ltd.Inventors: Jae-Sung Kim, Ki-Woo Kim
-
Patent number: 11348522Abstract: A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels.Type: GrantFiled: December 17, 2020Date of Patent: May 31, 2022Assignee: Samsung Display Co., Ltd.Inventors: Keunwoo Kim, Sooyoung Park, Joonghyun Park, Dongwoo Kim, Kyoung-Ju Shin
-
Patent number: 11347185Abstract: Methods, apparatus, devices, and systems for displaying three-dimensional objects by individually diffracting different colors of light are provided. In one aspect, a system includes a display having a plurality of display elements and an optical device configured to diffract a plurality of different colors of light to the display. The optical device is configured such that, when the plurality of different colors of light is incident on the optical device, the optical device separates light of individual colors of the different colors while suppressing crosstalk between the different colors.Type: GrantFiled: September 17, 2021Date of Patent: May 31, 2022Assignee: Pacific Light & Hologram, Inc.Inventors: Kamran Qaderi, Stephen John Hart, Robert Alan Hess, Jonathan Seamus Blackley
-
Patent number: 11347123Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.Type: GrantFiled: May 3, 2021Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
-
Patent number: 11341922Abstract: A display screen module is applied to an electronic device, and includes a first display array, one or more second display arrays, and a control circuit. The electronic device includes one or more groups of optical devices, and each group includes at least one optical device. The display arrays one-to-one correspond to the optical devices, and each second display array is located above a group of optical devices corresponding to the second display array. The control circuit is configured to control each second display array to display an image when none of optical devices in a group of optical devices corresponding to the second display array works. The control circuit is further configured to: when one or more optical devices in a group of target optical devices need to work, turn off some or all pixels of a target second display array corresponding to the group of target optical devices.Type: GrantFiled: January 12, 2021Date of Patent: May 24, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Xilin Wang
-
Patent number: 11343365Abstract: An electronic device is provided. The electronic device includes a main body, a rotating member, a flexible display screen, and a flexible circuit board. The main body has a pillar shape. An outer periphery of the main body has a groove provided thereon. The rotating member is sleeved on an outside of the main body and is configured to drive the flexible display screen to be wound or unfolded relative to the rotating member. When the flexible display screen is unfolded, the flexible circuit board is unfolded along with the flexible display screen, and when the flexible display screen is wound, the flexible circuit board is wound into the groove along with the flexible display screen.Type: GrantFiled: May 6, 2021Date of Patent: May 24, 2022Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: Zhouquan Zuo
-
Patent number: 11342528Abstract: An organic electroluminescent device includes, in order, a first electrode, a light-emitting layer, a resistive layer, and a second electrode. The resistive layer has a specific resistance within a range of 1×104 ?·cm or greater and 5×106 ?·m or less and includes a mixed material including two or more of zinc oxide, gallium oxide, and silicon dioxide and having a composition ratio within a predetermined range.Type: GrantFiled: November 6, 2019Date of Patent: May 24, 2022Assignee: JOLED INC.Inventors: Shina Kirita, Takayuki Shimamura, Naoto Oda
-
Patent number: 11335293Abstract: A shift register unit, a method of driving a shift register unit, a gate drive circuit, and a display device are provided. The shift register unit includes an input circuit, an output circuit, a first reset circuit, and a reset control circuit. The input circuit is configured to control a level of a first node; the output circuit is configured to output a clock signal to an output terminal; the first reset circuit is configured to reset the first node; and the reset control circuit is configured to input the first reset signal to the first reset circuit in response to a reset control signal and a reference signal, to turn on the first reset circuit and the reset control circuit is further configured to enable an amplitude of a level of the first reset signal to be larger than an amplitude of a level of the reference signal.Type: GrantFiled: February 18, 2019Date of Patent: May 17, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongxian Xie, Yifeng Zou, Hui Wang, Mindong Zheng
-
Patent number: 11336460Abstract: Method for verifying a content item displayed by a digital display device comprising a central unit and a digital screen controlled by the central unit. A signature is calculated automatically based on snapshots of the content item that are captured at the display device, and this signature is transmitted to a remote server that compares this signature with a similar signature calculated based on a scheduled content item expected to be displayed on the digital screen and, if the signature of the displayed content item corresponds to the signature of the scheduled content item, a token authenticating the displayed content item is generated.Type: GrantFiled: December 2, 2019Date of Patent: May 17, 2022Assignee: JCDecaux SAInventor: Anirvan Basu
-
Patent number: 11335242Abstract: The present disclosure provides a display substrate, including: a substrate; a plurality of pixel units on the substrate, each of the pixel units having a light-emitting device therein; a power supply electrode configured to supply a power supply voltage to the light-emitting device, wherein the power supply electrode includes a first electrode layer and a second electrode layer, the second electrode layer has a mesh-shaped structure and is coupled to the first electrode layer through a via hole, and the first electrode layer includes a plurality of first electrode parts spaced apart from each other and each having a block shape, each of the first electrode parts being electrically coupled to a plurality of light-emitting devices for supplying the power supply voltage to the plurality of light-emitting devices.Type: GrantFiled: October 14, 2019Date of Patent: May 17, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongni Liu, Minghua Xuan, Liang Chen, Detao Zhao, Li Xiao, Zheng Fang
-
Patent number: 11335270Abstract: A display device and a compensation method of the display device are discussed. A sensing method for compensation, which is performed after a display device is powered off, includes displaying 1 black frame, charging a node M of a shift register A connected to a jth gate line of a display panel, charging a node M of a shift register B connected to a Kth gate line of the display panel, and sensing subpixels connected to the jth gate line and then sensing subpixels connected to the Kth gate line.Type: GrantFiled: December 15, 2020Date of Patent: May 17, 2022Assignee: LG DISPLAY CO., LTD.Inventor: Lokdam Baek
-
Patent number: 11336481Abstract: A wireless communication system includes an access point, a master communication apparatus, and a slave communication apparatus, and the master communication apparatus and the slave communication apparatus perform wireless communication through the access point. The master communication apparatus stores setting information necessary for accessing the access point; performs wireless communication through the access point using the stored setting information; and performs near field communication with the slave communication apparatus to transmit the stored setting information to the slave communication apparatus in response to a setting information request received from the slave communication apparatus via near field communication.Type: GrantFiled: March 27, 2019Date of Patent: May 17, 2022Assignee: Sony Group CorporationInventor: Takashi Matsuo