Specific Display Element Control Means (e.g., Latches, Memories, Logic) Patents (Class 345/98)
  • Patent number: 12039913
    Abstract: A pixel circuit includes a current control circuit, a time control circuit, and a light-emitting component, which are electrically coupled to one another in series along a common passage path of a driving current. The current control circuit is configured to control an intensity of the driving current according to a display data signal received thereby. The time control circuit is configured to control a passage time of the driving current according to a time data signal and a switch control signal received thereby. The light-emitting component is configured to emit a light according to the intensity and the passage time of the driving current.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Can Wang, Can Zhang, Ning Cong, Ming Yang
  • Patent number: 12025875
    Abstract: A common electrode for a display, which is originally provided in a liquid crystal display element, is also used as one (drive electrode) of a pair of electrodes for a touch sensor, and the other (detection-electrode-for-the-sensor) of the pair of electrodes is newly formed. An existing common drive signal as a drive signal for display is used in common for a drive signal for the touch sensor. A capacitance is formed between the common electrode and the detection-electrode-for-the-sensor, and touch detection is performed by utilizing a change of this capacitance caused by a finger touch of a user. Thus, a display device with a touch sensor is also applicable to a mobile device in which electric potential of the user is inconstant in many cases. The newly-provided electrode is only the detection-electrode-for-the-sensor, and it is unnecessary to newly prepare a drive signal for the touch sensor.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: July 2, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Daisuke Takama, Yoshitoshi Kida
  • Patent number: 12008969
    Abstract: A backlight system includes a backlight and a master driving circuit. The backlight includes a plurality of slave driving circuits and a plurality of light sources driven by the plurality of slave driving circuits, wherein the plurality of slave driving circuits are arranged in a matrix of driving rows and driving columns such that first through m-th slave driving circuits, where m is a positive integer greater than one, are arranged in each driving row of the driving rows, and the first through m-th slave driving circuits are connected in a daisy chain structure. The master driving circuit is configured to generate a plurality of input data signals, wherein each input data signal of the plurality of input data signals corresponds to the each driving row, and the each input data signal includes first through m-th packets including luminance data corresponding to the first through m-th slave driving circuits.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kangjoo Kim, Sugyeung Kang, Yongsik Kwak, Yongil Kwon, Sunkwon Kim, Uijong Song, Sewoong Ahn
  • Patent number: 12008973
    Abstract: An area of a region arranged on one side of a display region in a direction in which scanning lines extend is reduced. A display apparatus has a scanning line driving circuit and a plurality of scanning lines. The scanning line driving circuit is provided in a region arranged along a side portion on the positive side in the X-axis direction in a display region of a substrate. The scanning line driving circuit includes a plurality of transfer circuits connected to the plurality of scanning lines, respectively. Among the plurality of transfer circuits, the shape of one transfer circuit is different from the shape of another transfer circuit arranged on the negative side of the one transfer circuit in the Y-axis direction.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: June 11, 2024
    Assignee: Japan Display Inc.
    Inventor: Nobuyuki Ishige
  • Patent number: 11996838
    Abstract: A driving device comprises a first complementary metal-oxygen-semiconductor circuit and a first comparator. The first complementary metal-oxygen-semiconductor circuit is configured for outputting a power signal or a pull-down signal according to the first input signal. The first comparator comprises a first non-inverting input terminal and a first inverting input terminal. The first non-inverting input terminal is coupled to the first complementary metal-oxygen-semiconductor circuit, and is configured to receive the power signal or the pull-down signal. The first inverting input terminal is configured for receiving a first reference signal, and the first comparator is configured to compare one of the power signal and the pull-down signal and the first reference signal to provide a first driving signal.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: May 28, 2024
    Assignee: AUO CORPORATION
    Inventors: Chi-Yu Geng, Ming-Hung Tu, Ya-Fang Chen, Chih-Hsiang Yang
  • Patent number: 11994961
    Abstract: An image display system includes a display device, a second memory circuit, and an image processor circuit. The display device includes a panel and a first memory circuit, in which the first memory circuit is configured to store first predetermined data for controlling the panel. The second memory circuit is configured to store second predetermined data. The image processor circuit is configured to read first part data in the first predetermined data and second part data in the second predetermined data and compare the first part data with the second part data. If the first part data is identical to the second part data, the image processor circuit is further configured to output a driving signal according to the second predetermined data to control the panel to start displaying an image.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: May 28, 2024
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Chia-Wei Yu, Chun-Hsing Hsieh
  • Patent number: 11990102
    Abstract: In a first output mode, a signal in which a data pulse having a positive polarity voltage value appears in a predetermined cycle is output as a positive polarity gradation data signal, and a signal in which a data pulse having a negative polarity voltage value appears in the predetermined cycle with a phase different from the positive polarity gradation data signal is output as a negative polarity gradation data signal. In a second output mode, the above positive polarity gradation data signal is generated, and a signal in which a data pulse having a negative polarity voltage value appears in the predetermined cycle with the same phase as the positive polarity gradation data signal is output as the negative polarity gradation data signal. The first and second output modes are alternatively executed, and the output mode is switched within a predetermined period at intervals of the predetermined period.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: May 21, 2024
    Assignee: LAPIS Technology Co., Ltd.
    Inventor: Hiroshi Tsuchi
  • Patent number: 11990502
    Abstract: To provide a display device capable of performing image processing. Each pixel is provided with a memory circuit in which desired correction data is retained. The correction data is generated by calculation in an external device and written to each pixel. The correction data is added to image data by capacitive coupling and supplied to a display element. Thus, the display element can display a corrected image. Through the correction, image upconversion can be performed, or image quality decreased because of variations in pixel transistor characteristics can be corrected.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: May 21, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe, Kouhei Toyotaka, Naoto Kusumoto, Shunpei Yamazaki
  • Patent number: 11984091
    Abstract: Systems, methods, and devices are provided to selectively perform a frame replay at various stages of an image processing pipeline for an electronic display. Image processing circuitry may include first compensation circuitry that compensates for a first compensation factor relating to a first physical parameter of an electronic display and second compensation circuitry that compensates for a second compensation factor relating to a second physical parameter of the electronic display. A first tap point that enables the image frame to be stored and reused may be located between the first compensation circuitry and the second compensation circuitry, while a second tap point may be located after the second compensation circuitry.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: May 14, 2024
    Assignee: Apple Inc.
    Inventors: Peter F Holland, Mahesh B Chappalli
  • Patent number: 11983347
    Abstract: The present embodiments may provide a touch display device including: a display panel in which a plurality of data lines, a plurality of gate lines, and a plurality of touch electrodes are disposed; a gate-driving circuit configured to drive the plurality of gate lines; a data-driving circuit configured to drive the plurality of data lines; and a touch-driving circuit configured to drive the plurality of touch electrodes while the plurality of data lines and the plurality of gate lines are driven. In this touch display device, while a touch-driving signal swings with a predetermined amplitude, a data signal and a gate signal may also swing with the predetermined amplitude. According to the present embodiments, it is possible to enable high-speed image display and high-speed touch sensing, to perform a display operation and a touch operation simultaneously, and to display an image normally without any image change.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: May 14, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: HongJu Lee, HyeongWon Kang, Youngwoo Jo
  • Patent number: 11978420
    Abstract: Provided is a technology capable of consistently and stably forming a slope of a gate pulse modulation waveform by discharging a gate line by a predetermined current by using a regulator and the like in gate pulse modulation.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: May 7, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jae Uk Jeon, Jung Bae Yun, Man Jeong Ko, Byung Seob Song
  • Patent number: 11971638
    Abstract: A first transistor, a second transistor, a third transistor, a fourth transistor are provided. In the first transistor, a first terminal is electrically connected to a first wiring; a second terminal is electrically connected to a gate terminal of the second transistor; a gate terminal is electrically connected to a fifth wiring. In the second transistor, a first terminal is electrically connected to a third wiring; a second terminal is electrically connected to a sixth wiring. In the third transistor, a first terminal is electrically connected to a second wiring; a second terminal is electrically connected to the gate terminal of the second transistor; a gate terminal is electrically connected to a fourth wiring. In the fourth transistor, a first terminal is electrically connected to the second wiring; a second terminal is electrically connected to the sixth wiring; a gate terminal is connected to the fourth wiring.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: April 30, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Atsushi Umezaki
  • Patent number: 11972714
    Abstract: A display device including a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel and having a precharge circuit configured to perform a precharging operation, and a timing controller configured to control the data driver, wherein the charge circuit generates a precharge voltage based on a precharge signal supplied in a horizontal blank period and is controlled to output or not output the precharge voltage based on a precharge selection signal.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Chang Hun Cho
  • Patent number: 11967293
    Abstract: According to one embodiment, an electronic device includes scanning, signal, pixels, and an inspection circuit disposed in a non-display area and including first switch elements connected to the scanning lines, the first switch elements are oxide semiconductor transistors including an oxide semiconductor layer, and each of the first switch elements of the inspection circuit includes at least two transistors connected in series to one of the scanning lines.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 23, 2024
    Assignee: Japan Display Inc.
    Inventor: Hirotaka Hayashi
  • Patent number: 11966129
    Abstract: The present disclosure provides a display panel static electricity protection device (400), a display panel static electricity protection method, and a display device (100), including a detection circuit (401), a discharge circuit (409), and a discharge terminal (411). The detection circuit (401) is connected with a driving chip (301) of a display panel. The discharge circuit (409) is connected with the detection circuit (401) and the driving chip (301). The discharge terminal (411) is connected with the discharge circuit (409) and the detection circuit (401).
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventor: Xiaoyu Huang
  • Patent number: 11967270
    Abstract: Disclosed is a LED display system and a control method thereof. The display system comprises a control card outputting clock signals and data signals; at least one driving circuit group, coupled with the control card, and each including a plurality of cascaded driving circuits, receiving a clock signal and a data signal and transmitting them among the plurality of driving circuits, wherein at least one stage of driving circuit in each driving circuit group comprises an inverter, which inverts the clock signal received by the current stage of driving circuit to obtain an inverted clock signal. The LED display system of the present disclosure can effectively avoid excessive attenuation of the clock signal in the cascaded driving circuits, ensure data sampling correctness based on the clock signal, and ensure display effect of the LED display screen.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: April 23, 2024
    Assignee: HANGZHOU SHIXIN TECHNOLOGY CO., LTD
    Inventor: Lingjun Kong
  • Patent number: 11948514
    Abstract: A display device including: a display panel including a plurality of pixels; a data driver configured to provide data voltages to the plurality of pixels; and a controller configured to control the data driver, to detect a same data region of the display panel when first image data in a current frame period is the same as second image data in a previous frame period, and not to transfer the first image data to the data driver in the current frame period.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunho Lim, Myeongbin Lim, Hyunha Yang
  • Patent number: 11942052
    Abstract: A system for generating a voltage at a pixel array includes a plurality of display pixels forming the pixel array, each display pixel comprising a pixel circuit for driving the pixel. The system further comprises a row formatter configured to store a plurality of bits representing image data for a row of display pixels of the LCOS array; a row controller configured to write a subset of the plurality of bits representing image data for a pixel of the row into a plurality of data latches of said pixel circuit; and a waveform generator for generating reference pulses represented by a set of reference bits. The pixel circuit is configured to compare each reference bit to corresponding bits stored in the latches of each pixel circuit, and generate voltage at an electrode of each pixel based on this comparison.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 26, 2024
    Assignee: Snap Inc.
    Inventor: Howard V. Goetz
  • Patent number: 11935965
    Abstract: A display device including a pixel having a memory. The pixel includes at least a display element, a capacitor, an inverter, and a switch. The switch is controlled with a signal held in the capacitor and a signal output from the inverter so that voltage is supplied to the display element. The inverter and the switch can be constituted by transistors with the same polarity. A semiconductor layer included in the pixel may be formed using a light-transmitting material. Moreover, a gate electrode, a drain electrode, and a capacitor electrode may be formed using a light-transmitting conductive layer. The pixel is formed using a light-transmitting material in such a manner, whereby the display device can be a transmissive display device while including a pixel having a memory.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: March 19, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Kengo Akimoto, Masashi Tsubuku, Toshinari Sasaki
  • Patent number: 11935466
    Abstract: A method for adjusting a gamma curve, a device for adjusting a gamma curve, and a display device. The method for adjusting a gamma curve includes that: a reference duty cycle of a light-emitting control signal is determined according to a duty cycle of the light-emitting control signal at a preset refresh rate; a third refresh rate is determined according to the light-emitting control signal at a first refresh rate, the light-emitting control signal at a second refresh rate and the reference duty cycle, where the third refresh rate is between the first refresh rate and the second refresh rate, and the duty cycle of the light-emitting control signal at the third refresh rate is equal to the reference duty cycle; and the gamma curve is adjusted according to the third refresh rate.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: March 19, 2024
    Assignee: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Yong Li, Yahui Liu
  • Patent number: 11935459
    Abstract: A display apparatus can include a display panel configured to display a black image and a real image, a gate driver configured to display gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller configured to control the gate driver. Here, one-frame period for displaying the black image is shorter than one-frame period where the real image is displayed. Further, the gate driver can include a plurality of stages configured to supply the gate signals to the plurality of gate lines, and a plurality of dummy stages connected directly between the plurality of stages and the controller. In addition, gate start signals for driving the plurality of stages are supplied to the plurality of dummy stages by the controller.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: KeyYoung Yang, Jihoon Yu, Bumhee Han
  • Patent number: 11929000
    Abstract: The display system comprising a main control module and a display module is provided. The main control module comprises a display driving circuit and a timing control circuit. The display driving circuit is used to output a display driving signal. The timing control circuit is coupled to the display driving circuit to receive the display driving signal, and convert the display driving signal into a digital signal. The display module comprises a first display panel to an N-th display panel, coupled to the timing control circuit and receiving the digital signal, so as to display corresponding multimedia content according to the digital signal, wherein N is a positive integer greater than 1, and the main control module is independently coupled to the display module.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: March 12, 2024
    Assignee: AUO Display Plus Corporation
    Inventors: Sheng-Kai Hsu, Hung-Min Shih, Yung-Jen Chen
  • Patent number: 11929036
    Abstract: An electro-optical device includes: a data signal output circuit including a D/A converter circuit; a plurality of terminals; a control circuit supplied with a power supply potential VL from at least one terminal of the plurality of terminals via a first power supply wiring line; and a power supply circuit configured to generate a power supply potential VPL in accordance with potentials AVDD and AVSS supplied via two or more terminals of the plurality of terminals and supply the power supply potential VPL to a second power supply wiring line. The D/A converter circuit includes a plurality of capacitance elements. The first power supply wiring line or the second power supply wiring line is selectively coupled to one portion of the plurality of capacitance elements.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: March 12, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hitoshi Ota
  • Patent number: 11927863
    Abstract: A device for modulating the phase of a light beam includes a matrix of elementary cells, called pixels, coupled to a circuit for addressing the pixels, the device further comprising a set of so-called lateral electrodes extending in a so-called vertical direction (Y) at right angles to the alignment direction (Xa) and configured to apply, for each pixel and via at least two lateral electrodes, a so-called acceleration voltage generating a lateral electrical field (Era) substantially parallel to the alignment direction, in a vector allowing an accelerated return of the liquid crystal molecules to their orientation of rest, the acceleration voltage being configured to be applied in a phase called acceleration relaxation phase, when the activation voltage is no longer applied.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 12, 2024
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Benoît Racine, Arnaud Verdant, Pierre Joly
  • Patent number: 11922860
    Abstract: Provided is a pixel driving circuit including a first circuit configured to control, in a data writing mode, a signal related to driving of one or more light-emitting elements, and a second circuit configured to supply, in a driving mode, power to the one or more light-emitting elements based on a signal transmitted from the first circuit.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: March 5, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Sung Ho Hwang, Ji Han Kim, Ji Haeng Lee, Hye Min Bae, Dae Young Jung
  • Patent number: 11922897
    Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit is configured to drive a display device to display different grayscale images. The voltage-dividing circuit includes 2n voltage-dividing signal terminals arranged sequentially from low to high voltage. The switching circuit includes 2n switching sub-circuits. Each of the 2n switching sub-circuits includes a receiving terminal, a first output terminal, and a second output terminal. The receiving terminal is electrically coupled to the voltage-dividing signal terminal. The voltage selecting circuit includes 2n selecting signal terminals. Each of the 2n selecting signal terminals is electrically coupled with the first output terminal of one of the 2n switching sub-circuits and the second output terminal of one of the 2n switching sub-circuits.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: March 5, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Haoxuan Zheng
  • Patent number: 11924008
    Abstract: Disclosed is a compensation circuit which includes a data analyzer that receives a first bit stream including first to N-th bits, counts a number of times of coincidence of each of first to 2M-th patterns each having an M-bit size from the first bit stream, and generates a first pattern stream including first to 2M-th count values each corresponding to the number of times of coincidence of each of the first to 2M-th patterns, and a compensation calculator that determines first to 2M-th compensation values based on the first pattern stream such that results of multiplying the first to 2M-th count values and the first to 2M-th compensation values one-to-one are even. “N” is a natural number, and “M” is a natural number smaller than “N”.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Wonsuk Jang
  • Patent number: 11914416
    Abstract: A transmitter circuit that receives parallel signals and outputs a serial signal in response to the parallel signals may include; a clock generator generating first clock signals having different respective phases, a multiplexer including selection circuits respectively configured to selectively provide at least two of the parallel signals to an output node in response to at least two of the first clock signals, and an output driver generating the serial signal by amplifying a signal at the output node.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: February 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Junyoung Park, Joohwan Kim, Jindo Byun, Eunseok Shin, Hyunyoon Cho, Youngdon Choi, Junghwan Choi
  • Patent number: 11900846
    Abstract: The present application provides a chrominance visual angle correction method for a display, and an intelligent terminal and a storage medium. The method comprises: acquiring brightness data of different primary colors varying with the gray scale at a vertical visual angle and a squint visual angle, and generating a search database; splitting, according to the search database and a preset rule, a pixel gray scale of the display into a plurality of high and low gray scale combinations composed of high gray scales and low gray scales; calculating a scale of brightness of the plurality of high and low gray scale combinations, and acquiring a scale of brightness of high and low gray scale combination closest to a scale of vertical vision brightness as a primary color pixel gray scale.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: February 13, 2024
    Assignee: SHENZHEN TCL NEW TECHNOLOGY CO., LTD.
    Inventors: Daxue Xia, Lin Chen, Renli Xie
  • Patent number: 11900863
    Abstract: A display panel and a display device, including a substrate, a circuit layer located at a side of the substrate, and a top light-shielding layer configured to receive a voltage signal. The circuit layer includes a light-emitting shift circuit, including a first output module and a control module. The first output module is electrically connected to a first node, a first fixed potential signal line, and a light-emitting control signal line and is configured to, in response to a voltage of the first node, transmit a light-emitting enable voltage provided by the first fixed-potential signal line to the light-emitting control signal line. The control module is connected to the first node and includes a control transistor. The top light-shielding layer is located at a side of the control transistor. In a direction perpendicular to the substrate, the top light-shielding layer overlaps with a channel of the control transistor.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: February 13, 2024
    Assignee: Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Mengjia He, Yana Gao, Zhi Liu, Yuying Cai, Xingyao Zhou
  • Patent number: 11898812
    Abstract: A safety control system (200a, 200b, 200c, 200d, 200e) for portable weapons, including, but not limited to, crossbows and firearms, such as guns, rifles and alike, uses various sensors to ensure safe target, environment, location, and situation for operating portable weapons. The safety control system (200a, 200b, 200c, 200d, 200e) unlocks a firing sequence of the portable weapons only when it is safe to operate.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: February 13, 2024
    Inventor: Jiuhong Song
  • Patent number: 11900988
    Abstract: An electronic device may include: a clock divider circuit configured to generate a first internal clock including pulses which are generated in synchronization with odd pulses of a clock, and generate a second internal clock including pulses which are generated in synchronization with even pulses of the clock; and a command decoder configured to generate an odd precharge command and an even precharge command based on a counting signal which is toggled by a chip selection signal and a command/address signal for performing a precharge operation in synchronization with the first internal clock or toggled by the chip selection signal and the command/address signal for performing the precharge operation in synchronization with the second internal clock.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: February 13, 2024
    Assignee: SK hynix Inc.
    Inventor: Haeng Seon Chae
  • Patent number: 11900579
    Abstract: A device includes a digital camera positioned underneath a display of the device that captures images through the display. When capturing images using the digital camera, light emitted by the display can get into the digital camera, interfering with or corrupting the captured images. Calibration images are displayed on the display and captured by the digital camera to be used to generate an enhanced output image that mitigates the interference from the display. Recalibration images are subsequently captured in response to any of a variety of different trigger events that may cause or indicate a change in the alignment and geometries of the display pixels to the imager pixels. The captured recalibration image is merged with the previously captured calibration image to generate a merged calibration image, which is afterwards used as the captured calibration image.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: February 13, 2024
    Assignee: Motorola Mobility LLC
    Inventors: Thomas Yates Merrell, John Christopher Pincenti, Jie Yang
  • Patent number: 11887556
    Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit at least includes a selecting unit and a signal conversion unit. The selecting unit is configured to directly output an image signal received to the signal conversion unit, or invert the image signal and then transmit the image signal inverted to the signal conversion unit. The control signal represents a display mode of a pixel unit that receives the image signal and perform image display according to the image signal. The signal conversion unit is configured to convert the image signal into a grayscale voltage in an analog form. The grayscale voltage is transmitted to the pixel unit to perform image display.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: January 30, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Shuang Wang, Rongrong Li
  • Patent number: 11881136
    Abstract: A display driver and a driving method thereof is disclosed. The display driver includes at least one first latch, at least one second latch, an output buffer, and a comparator. The first latch receives input data. The input terminal of the second latch is coupled to the output terminal of the first latch. The output buffer, including at least one variable current source, is coupled to the second latch. The comparator is coupled to the first latch, the second latch, and the variable current source. The comparator generates at least one control signal of the variable current source.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: January 23, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jhih-Siou Cheng, Yen-Ru Kuo, Chih-Hsien Chou
  • Patent number: 11881162
    Abstract: In general, techniques are described for image modification for under-display sensors. A computing device comprising a display, one or more sensors positioned underneath the display, and one or more processors may be configured to perform various aspects of the techniques. The display may be configured to allow the one or more sensors to operate through the display. The one or more processors may be configured to determine an ambient light level, and modify, based on the ambient light level, an area of an image to obtain a modified image. The area of the image may correspond to pixels of the display positioned above the one or more sensors or correspond to pixels of the display that are not positioned above the one or more sensors. The one or more processors may then interface, with the display, to output the modified image.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 23, 2024
    Assignee: Google LLC
    Inventors: Sangmoo Choi, Xiaoping Bai, Chien-Hui Wen
  • Patent number: 11876103
    Abstract: A display panel includes a plurality of sub-pixel structures and a plurality of transfer elements. The sub-pixel structures include a plurality of first sub-pixel structures. A data line of each of the first sub-pixel structures is disposed adjacent to a corresponding transfer element, and a scan line of each of the first sub-pixel structures is electrically connected to the corresponding transfer element. The first sub-pixel structures include a plurality of first-type sub-pixel structures and a plurality of second-type sub-pixel structures. When the display panel displays a grayscale picture, each of the first-type sub-pixel structures has first brightness, each of the second-type sub-pixel structures has second brightness. The first brightness is less than the second brightness. A total number of the first sub-pixel structures of the display panel is A, a number of the first-type sub-pixel structures in the first sub-pixel structures is a, and 50%<(a/A)<100%.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: January 16, 2024
    Assignee: AUO Corporation
    Inventors: Min-Tse Lee, Sheng-Yen Cheng, Yueh-Hung Chung, Ya-Ling Hsu, Chen-Hsien Liao
  • Patent number: 11862421
    Abstract: A trim circuit for an e-fuse unit includes: a mirroring circuit for receiving an enable signal, when triggered by the enable signal, the mirroring circuit generating a driving voltage; and a driving transistor coupled to the mirroring circuit, in response to the driving voltage from the mirroring circuit, the driving transistor turning ON to generate a MOS current to an output node, wherein the output node is coupled to the e-fuse unit, and in response to the MOS current from the output node, the e-fuse unit is burned out.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: January 2, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yang-Ling Wu, Chung-Yuan Lee, Chun-Liang Hu, Chih-Yung Kang, Shih-Hsiung Chiu
  • Patent number: 11862065
    Abstract: A timing control device for the display panel includes a control circuit. The control circuit is configured to generate a plurality of gate scanning control signals and a data transmission control signal. In response to that a display refresh rate changes from a first frequency to a second frequency, the control circuit adjusts the plurality of gate scanning control signals to generate a plurality of adjusted gate scanning control signals, or adjusts the data transmission control signal to generate an adjusted data transmission control signal, for driving a display panel under the second frequency as the display refresh rate.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: January 2, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Grace Li, Jen-Ta Yang, Yen-Tao Liao, Yu-Hung Su
  • Patent number: 11844250
    Abstract: Embodiments of the present disclosure disclose a display panel and a display device. The display panel includes: a base substrate, a low temperature poly-silicon semiconductor layer, an oxide semiconductor layer and a source-drain metal layer, wherein the source-drain metal layer corresponding to a bending region is provided with a plurality of mutually insulated traces extending in a first direction and arranged in a second direction; an inorganic layer between the base substrate and the source-drain metal layer, wherein the inorganic layer is provided with a groove in the bending region, and the traces are disposed above the groove; and a flexible insulating material between the inorganic layer in the bending region and the traces, wherein the flexible insulating material fills the groove.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: December 12, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Benlian Wang, Yue Long, Weiyun Huang, Yingsong Xu
  • Patent number: 11842013
    Abstract: A touch screen driving circuit for driving a touch screen which includes a display layer and a touch sensor layer on the display layer is provided. The touch screen driving circuit includes: a touch controller configured to provide a plurality of drive signals respectively to a plurality of first electrodes of the touch sensor layer, in a driving period, wherein the plurality of drive signals are phase synchronized during a first sub-period of the driving period; and a display driving circuit configured to provide a compensation signal to at least some of a plurality of source lines of the display layer in the first sub-period of the driving period, wherein the plurality of compensation signals are phase synchronized opposite to the plurality of drive signals in the first sub-period.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yunrae Jo, Yoon-Kyung Choi, Jinbong Kim
  • Patent number: 11842698
    Abstract: According to an aspect, a display device includes: a first panel; a second panel disposed opposing one surface of the first panel; a light source configured to emit light to the other surface of the first panel; and an acquirer configured to acquire user information including information indicating at least one of a position of an eye and a position of a head of a user facing the second panel. The first panel includes light control pixels. The second panel includes pixels. Blurring processing is applied by which the light control pixel positioned around a pixel controlled to transmit light in accordance with an input image signal is caused to transmit light. A blurring area including the light control pixel to which the blurring processing is applied on the first panel corresponds to the position of the eye of the user or the position of the head of the user.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: December 12, 2023
    Assignee: Japan Display Inc.
    Inventors: Tsutomu Harada, Tomoyuki Ishihara
  • Patent number: 11837138
    Abstract: A control circuit for a low-temperature poly-silicon array controls the low-temperature poly-silicon array including M rows×N columns of pixel units. The control circuit includes N operational amplifiers, a comparison unit, and a pixel input switch control unit. The comparison unit determines pixel values of N red subpixels, N green subpixels, and N blue subpixels in at least one row of pixel units of the M rows of pixel units are the same as each other. The pixel input switch control unit controls, when the pixel values of the N red subpixels, the N green subpixels, and the N blue subpixels in the at least one row of pixel units of the M rows of pixel units are the same as each other, the N red pixel input switches, the N green pixel input switches, and the N blue pixel input switches to be all turned on.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: December 5, 2023
    Assignee: OMNIVISION TDDI ONTARIO LIMITED PARTNERSHIP
    Inventor: Kun-Hua Lee
  • Patent number: 11830407
    Abstract: A fault-tolerant display system includes a dual thin film transistor (TFT) panel with pixel cells having two independently-controlled switching transistors; as such, primary source and gate drivers are operative to drive the display with first TFT transistors, while secondary source and gate drivers are operative to drive the display with second TFT transistors. As the display incorporates an additional TFT within the pixel cell which is driven independently, reliability is increased even at the pixel level. In this way, individual pixels of the LCD panel are driven simultaneously and independently by two pairs of source drivers and gate drivers, such that if one of the driver pairs fails due to some fault, the other driver pair can continue to drive the LCD panel without loss of information despite the failure of the first driver pair.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 28, 2023
    Assignee: L3 Technologies, Inc.
    Inventors: Mark W. Fletcher, Carlos Galleno
  • Patent number: 11823630
    Abstract: Discussed is a display apparatus including a substrate including a display portion, a plurality of pixels connected to a gate line and a data line disposed in the display portion, and a gate driving circuit disposed in the display portion to drive the gate line. The gate driving circuit includes a stage circuit unit including a plurality of stage circuits respectively disposed in a plurality of division regions defined in the display portion, and a circuit repair portion configured to repair at least one of the plurality of stage circuits and including a plurality of repair patterns. Further, at least one of the plurality of repair patterns is configured to be electrically disconnected from the at least one of the plurality of stage circuits.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: November 21, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Youngin Jang, Kyungmin Kim, Hyundong Kim
  • Patent number: 11823614
    Abstract: A novel display device where a light-emitting element is turned on by a triangle wave is provided. One embodiment of the present invention is a method for driving a display device including a first pixel, a second pixel, a first wiring, a second wiring, and a third wiring. The first wiring is electrically connected to the first pixel and the second pixel. The second wiring and the third wiring are electrically connected to the first pixel and the second pixel, respectively. At a first time, the first pixel reaches the maximum luminance corresponding to first display data and the second pixel reaches the maximum luminance corresponding to second display data. The first pixel and the second pixel are initialized at a second time different from the first time by input of a reset signal to the first wiring to stop light emission.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: November 21, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kazunori Watanabe, Kei Takahashi, Koji Kusunoki, Takahiro Fukutome
  • Patent number: 11822756
    Abstract: In a liquid crystal display (LCD) device having a touch panel function, power consumption is reduced in the standby state. The display section is divided into blocks each of which is formed of a plurality of display lines. The counter electrode is disposed for each block. A driving circuit selectively supplies, to the counter electrode of each block, the voltage used for the liquid crystal display and the voltage used for the touch panel scanning. The driving circuit has a source amplifier that supplies the video voltages to the video lines. The driving circuit reduces the current in the source amplifier, such that the current is lower than current at the time of a normal operation, to lower the power consumption, and stops the operation of the source amplifier and supplies the GND voltage to the video lines to further lower the power consumption.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: November 21, 2023
    Assignee: Japan Display Inc.
    Inventor: Shouji Nagao
  • Patent number: 11817041
    Abstract: The present invention is related to pixels and a display apparatus including: a display unit including a plurality of pixels; a signal control unit for generating a first voltage signal and a second voltage signal; a column driver connected to each of the pixels to transmit the first voltage signal to the pixel through a column line; and a row driver connected to each of the pixels to transmit the second voltage signal to the pixel through a row line, wherein the signal control unit generates the second voltage signal so that a voltage level of the second voltage signal rises to be higher than or equal to a predetermined level value during a non-emission period of the pixel.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 14, 2023
    Assignee: SAPIEN SEMICONDUCTORS INC.
    Inventors: Jae Hoon Lee, Jin Woong Jang
  • Patent number: 11810487
    Abstract: Display systems for simultaneously directing different images to different viewers. A display system is constructed with a display panel with multiple folds that create a number of angled display surfaces. These angled surfaces are oriented so that some surfaces are angled in one direction to project one image to viewers at one location, and the remaining surfaces are angled in a different direction to project a different image to viewers at another location. The folded display panel may be actuated, to change the angles at which display surfaces are oriented, and thus adjust the directions in which images are displayed. In this manner, the display may project images to differing users as they change their locations. Multiple users may thus enjoy differing content at the same time, from the same display device.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: November 7, 2023
    Assignee: Rovi Guides, Inc.
    Inventors: Rohit Dhiman, Srishti Sharma
  • Patent number: 11798509
    Abstract: A display driver drives a display device including a plurality of data lines and a demultiplexer. The demultiplexer includes a plurality of first switches connected to the respective plurality of data lines, and a series of driving voltages including a plurality of driving voltages is supplied via a first wiring. The demultiplexer supplies the plurality of driving voltages to the respective plurality of data lines via the plurality of first switches. The display driver includes: a voltage multiplexing part that generates the series of driving voltages; a second switch connected between the voltage multiplexing part and the first wiring; and a controller connected to the plurality of first switches and the second switch.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: October 24, 2023
    Assignee: LAPIS SEMICONDUCTOR CO., LTD.
    Inventor: Hiroyoshi Ichikura