Spatial Processing (e.g., Patterns Or Subpixel Configuration) Patents (Class 345/694)
  • Patent number: 11444066
    Abstract: A display apparatus is provided. The display apparatus includes a plurality of anode pads disposed on a substrate and spaced apart from each other along a first direction; a cathode pad disposed on the substrate and spaced apart from the plurality of anode pads along a second direction that crosses the first direction; a plurality of repair anode pads disposed on the substrate, spaced apart from each other along the first direction, and spaced apart from the plurality of anode pads and the cathode pad along the second direction; and a plurality of light emitting diodes (LEDs) disposed on the substrate and spaced apart from each other along the first direction, each of the plurality of LEDs including an anode that is electrically connected to a corresponding anode pad from among the plurality of anode pads and a cathode that is electrically connected to the cathode pad.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngki Jung, Jihoon Kang, Jinho Kim, Sangmin Shin
  • Patent number: 11444130
    Abstract: Disclosed are a display panel, a display method thereof, a display device, and a fine metal mask, and a display area of the display substrate includes a first display sub-area and a second display sub-area, where a plurality of uniformly distributed sub-pixels are arranged in the second display sub-area, and a distribution density of pixels in the first display sub-area is higher than a distribution density of pixels in the second display sub-area.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: September 13, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Wenjing Tan
  • Patent number: 11393422
    Abstract: A method for controlling a frame rate of a display screen includes: determining a first area and a second area of a display screen; and scanning the first area at a first frame rate, and scanning the second area at a second frame rate, wherein the first frame rate is greater than the second frame rate.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: July 19, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Hao Liu
  • Patent number: 11361688
    Abstract: In some embodiments, the disclosed subject matter involves a head worn device (HWD) for viewing augmented reality, or virtual images. A projector coupled to the HWD may use a microelectromechanical systems projector and project onto a holographic lens of the HWD. Images may be projected into an eyebox area that is deemed comfortable to the user, the eyebox area located in one of a plurality of vertically adjacent recording zones. The recording zone for projection may be selected by the user, or be automatically selected based on configuration parameters of the HWD. Horizontal correction of the eyebox may be included. In an embodiment, multiple horizontal images are displayed in the selected recording zone, in different wavelengths. Another embodiment adjusts horizontal shift of the projected image based on user inputs. Other embodiments are described and claimed.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 14, 2022
    Assignee: Google LLC
    Inventor: Nicolas Abele
  • Patent number: 11350065
    Abstract: Using different deformation maps that have elements corresponding to respective pixels deriving from an original image and have low-spatial frequency components, the elements indicating a moving direction and a moving amount of the corresponding pixels, the pixels deriving from the original image are moved in a moving direction by a moving amount, the moving direction and the moving amount being specified by the elements corresponding to the respective pixels, and modulated images are obtained. The modulated images are separated into brightness components and color components to obtain brightness component images and color component images, brightness of brightness component images and/or color of color component images is modulated to obtain brightness-modulated image and/or color-modulated image, and a video is obtained, the video being configured by arranging integrated images obtained by integrating the obtained brightness-modulated images and/or color-modulated images.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: May 31, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventor: Takahiro Kawabe
  • Patent number: 11335236
    Abstract: The present disclosure provides an image processing method and a display device including rows of actual pixels each including actual sub-pixels, and starting positions of actual sub-pixels in odd-numbered and even-numbered rows are staggered by a distance of half of an actual sub-pixel. The method includes: determining rows of theoretical pixels corresponding to a to-be-displayed image, each theoretical pixel including theoretical sub-pixels, each actual pixel corresponding to at least two theoretical pixels; calculating grayscale data of each actual sub-pixel in a manner of: for a target actual pixel, determining a rendering mode for calculating grayscale data of each actual sub-pixel of the target actual pixel according to whether there is a specified detail feature in a pixel area where target theoretical pixels corresponding to the target actual pixel are located, different rendering modes are employed when there is or there is not a specified detail feature in the pixel area.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 17, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiheng Zhou, Tiankuo Shi, Yue Li, Xiaomang Zhang, Jingpeng Zhao, Yifan Hou, Zhihua Ji, Yilang Sun, Yifang Chu, Chuanjun Liu, Xin Duan, Lingyun Shi
  • Patent number: 11322097
    Abstract: An organic light emitting display device includes: a display part comprising a plurality of pixel circuits, a pixel circuit from among the pixel circuits comprising: an organic light emitting diode; and a first transistor, the first transistor comprising a first electrode configured to receive a power source voltage and a second electrode connected to the organic light emitting diode; an initial voltage determiner configured to change a level of an initial voltage using image data of a frame; a sensor configured to apply the initial voltage to the second electrode of the first transistor; and a data driver configured to apply a data voltage to the control electrode of the first transistor.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: May 3, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Heesoon Jeong
  • Patent number: 11315479
    Abstract: An array substrate including a plurality of pixel units arranged in a matrix is provided. Each pixel unit at least includes a first sub-pixel, a second sub-pixel and a third sub-pixel that emit light of different colors, the first sub-pixel has a lower luminous efficiency than the second and third sub-pixels. The array substrate further comprises a plurality of first gate lines and a plurality of second gate lines that correspond to respective rows of pixel units of the plurality of pixel units. The first sub-pixel in each row of pixel units of the plurality of pixel units is coupled to a first gate line of the plurality of first gate lines, and the second sub-pixel and the third sub-pixel in the row of pixel units of the plurality of pixel units are both coupled to a second gate line of the plurality of second gate lines.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Cong, Minghua Xuan, Han Yue, Ming Yang, Xiaochuan Chen, Can Zhang, Can Wang, Liang Chen, Detao Zhao
  • Patent number: 11308920
    Abstract: In one embodiment, a computing system may access an image to be displayed by a display. The system may determine one or more characteristics associated with a content of the image. The one or more characteristics may include a spatial frequency of the content in a spatial frequency domain. The system may determine a display persistence time period for the display to display the image based on the one or more characteristics associated with the content of the image. The system may configure the display to display the image using the display persistence time period.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: April 19, 2022
    Assignee: Facebook Technologies, LLC.
    Inventors: Alexander Goettker, Thomas Scott Murdison, Kevin James MacKenzie, Larry Seiler
  • Patent number: 11308897
    Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 19, 2022
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Xin Duan, Wei Sun, Guofeng Hu, Zhihua Ji, Yanhui Xi, Yan Sun, Bin Dai, Yue Li, Yifan Hou, Yilang Sun, Chuanjun Liu, Xue Dong
  • Patent number: 11308898
    Abstract: A pixel arrangement structure and a display panel are provided. The pixel arrangement structure includes a plurality of sub-pixels having different colors. Each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 19, 2022
    Inventor: Yongfeng Liu
  • Patent number: 11303873
    Abstract: A system and method for displaying image data comprise receiving 2D video data, generating, from the video data, a first plurality of intensity values of virtual primaries of a first virtual color gamut and a second plurality intensity values of a second virtual color gamut, the first plurality of intensity values being below a luminance threshold and approximating a predefined color gamut and the second plurality of intensity values being above the luminance threshold, converting the first plurality of intensity values into a third plurality of intensity values of predefined primaries of a first projection head of a display system and the second plurality of intensity values into a fourth plurality of intensity values of predefined primaries of a second projection head of the display system, and dynamically adjusting pixel levels of spatial modulators of the display system based on the third plurality and the fourth plurality of intensity values.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 12, 2022
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Ashley Nicole Penna, Trevor Davies, Martin J. Richards
  • Patent number: 11302885
    Abstract: An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, an insulating layer on the substrate, the insulating layer including a trench, a first electrode in each of the first to third subpixels on the insulating layer, an emission layer on the first electrode and the insulating layer, and a second electrode on the emission layer, wherein the trench is in a boundary between the first subpixel and the second subpixel, and wherein the trench is not in a boundary between the second subpixel and the third subpixel.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: April 12, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeongjun Lim, Hansun Park
  • Patent number: 11276349
    Abstract: An organic light emitting display device includes: a display unit including a plurality of pixels each coupled to a first scan line, a second scan line, and a data line; a scan driver configured to supply, to the display unit, a plurality of first scan pulses corresponding to a bias period and a second scan pulse corresponding to a data write period after the bias period through the respective first and second scan lines; an emission driver configured to supply an emission control signal to the display unit through emission control lines; a data driver configured to supply a data voltage to the display unit through the data lines; and a power supply configured to commonly supply, to the pixels, an initialization voltage, the initialization voltage having a voltage level switching between a first voltage level and a second voltage level in a preset period.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: March 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jong Woong Park
  • Patent number: 11270651
    Abstract: A display panel and a display terminal are provided. The display panel includes a base substrate and a plurality of sub-pixels. The sub-pixels include a sub-pixel driving circuit and a light emitting device. The sub-pixel driving circuit includes a detection unit, a first light emitting control unit, and a second light emitting control unit. By detecting a potential of a second node, the light emitting device does not emit light abnormally, there is no need to perform dark line processing on the sub-pixels in a current row, and influence of dark lines is eliminated.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: March 8, 2022
    Inventors: Liuqi Zhang, Baixiang Han
  • Patent number: 11244608
    Abstract: An image processing method, comprising the following steps: obtaining a plurality of first luminance values, wherein the plurality of first luminance values corresponds to a first subpixel group comprising a target subpixel and a plurality of adjacent subpixels; and performing a subpixel rendering conversion on a target luminance value of the plurality of first luminance values corresponding to the target subpixel according to a weighting matrix and all of the plurality of first luminance values, so that the target luminance value is converted to a rendered luminance value, wherein the weighting matrix comprises a plurality of weighting parameters corresponding to the first subpixel group, and the weighting matrix is time-variant.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: February 8, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Shang-Yu Su, Feng-Ting Pai
  • Patent number: 11238786
    Abstract: A display device includes the following elements: a light emitting diode; a first transistor including a drain electrode, a source electrode, and a gate electrode, the drain electrode being connected to the light emitting diode; a second transistor connected between a data line and the source electrode; a third transistor connected between the drain electrode and the gate electrode; and a fourth transistor connected between a first initialization voltage source and the gate electrode. The third transistor is off for a first period, on for a second period immediately following the first period, and off for a third period immediately following the second period. The fourth transistor is off for a fourth period, on for a fifth period immediately following the fourth period, and off for a sixth period immediately following the fifth period. The second period overlaps the fifth period.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: February 1, 2022
    Inventors: Min Woo Byun, Kyoung Jin Park, Jong Won Park, Myeong Hee Seo
  • Patent number: 11232760
    Abstract: A driving method for a display device and a display device are disclosed. The driving method includes: obtaining a pre-display image; obtaining, according to an average of corresponding preset grayscale values of two blue sub-pixels in a pixel group, n sets of target grayscale value pairs of the pixel group by table lookup; and displaying a same pre-display image in m continuous frames of display cycles.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: January 25, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Beizhou Huang
  • Patent number: 11217188
    Abstract: The embodiments of the present disclosure provide a method for displaying an image on a dual-screen display panel. According to an embodiment, the dual-screen display panel comprises a dimming screen and a display screen. The method comprises: generating first image data for the dimming screen according to image data; determining dimming driving voltages for a plurality of dimming areas based on the first image data according to a grayscale-dimming driving voltage relationship; determining display driving voltages for a plurality of display areas based on the image data according to a grayscale-display driving voltage relationship; and driving the dimming screen and the display screen with the determined dimming driving voltages and display driving voltages, respectively, to display the image.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: January 4, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jun Guo, Cuilan Huang, Luqiang Guo, Jieqiong Wang, Hongming Zhan, Ruichen Zhang
  • Patent number: 11217186
    Abstract: The present disclosure provides a dimming method for an LCD device. The LCD device includes a dimming screen and a display screen. The dimming screen is divided into N×M dimming areas, and the display screen is also divided into N×M display areas. N and M are respectively positive integers greater than or equal to 1. The dimming areas correspond to the display areas in a one-to-one relationship. The dimming method includes determining a regional eigenvalue of each of the dimming areas according to image data, determining a dimming brightness of each of the dimming areas according to each regional eigenvalue, and dimming each of the dimming areas according to each dimming brightness. The present disclosure also provides a dimming screen for use in the dimming method and an LCD device using the dimming method.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Yuxin Bi, Bin Dai, Xiaomang Zhang, Lingyun Shi
  • Patent number: 11211424
    Abstract: To improve color reproduction areas in a display device having light-emitting elements. A display region has a plurality of picture elements. Each picture element includes: first and second pixels each including a light-emitting element which has a chromaticity whose x-coordinate in a CIE-XY chromaticity diagram is 0.50 or more; third and fourth pixels each including a light-emitting element which has a chromaticity whose y-coordinate in the diagram is 0.55 or more; and fifth and sixth pixels each including a light-emitting element which has a chromaticity whose x-coordinate and y-coordinate in the diagram are 0.20 or less and 0.25 or less, respectively. The light-emitting elements in the first and second pixels have different emission spectrums from each other; the light-emitting elements in the third and fourth pixels have different emission spectrums from each other; and the light-emitting elements in the fifth and sixth pixels have different emission spectrums from each other.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 28, 2021
    Inventors: Hajime Kimura, Atsushi Miyaguchi
  • Patent number: 11200857
    Abstract: A pixel signal conversion method, comprising: obtaining a corresponding first stimulus value signal, a corresponding second stimulus value signal, and a corresponding third stimulus value signal according to an initial first subpixel signal, an initial second subpixel signal and an initial third subpixel signal in a pixel signal. When the converted pixel signals are applied to a mixed color display consisting of W, R, G, and B four-color subpixels, the display effect is more approximate to actual presentation of original R, G, and B mixed colors, and the defect of large view color shift is overcome. Also provided is a pixel signal conversion device.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: December 14, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Chih Tsung Kang
  • Patent number: 11194090
    Abstract: According to one embodiment, a display device displays a color gamut defined by connecting a first defined color in first chromaticity coordinates, a second defined color in second chromaticity coordinates, and a third defined color in third chromaticity coordinates. An illumination device of the display device includes green, blue and red lasers. The green and blue lasers emit light of the second and third defined colors, and red laser emits light of a color in fourth chromaticity coordinates. Each of the pixels displays a color including the first defined color by mixing light in the fourth chromaticity coordinates and the second defined color.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: December 7, 2021
    Assignee: Japan Display Inc.
    Inventors: Youichi Asakawa, Ken Onoda, Hiroaki Kijima, Shinichi Komura
  • Patent number: 11195446
    Abstract: An active display can have an increased color gamut and include a group of LED packets that each form a sub-pixel and that together form a pixel for the display. Each LED packet includes at least a red primary color LED, a greed primary color LED, and a blue primary color LED. Each LED can be associated with an intensity value to control the intensity of primary light outputted by the LED. The group of LED packets can output light in a color gamut of a color space for the active display. Each LED packet of the group of LED packets, individually, is configured to output light in the color gamut of a subset of the color space. The active display can display a visual media presentation to an audience. An increased fraction of LEDs from a production batch can be used in the active display.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 7, 2021
    Assignee: IMAX Theatres International Limited
    Inventors: Steen Svendstorp Iversen, David Morrison Martindale
  • Patent number: 11164500
    Abstract: A display driver comprises color gamut adjustment circuitry and drive circuitry. The color gamut adjustment circuitry is configured to generate an in-use parameter set based on a plurality of parameter sets corresponding to different color gamuts and a position of a target pixel and generate an output pixel data by performing color gamut adjustment processing on an input pixel data of the target pixel based on the in-use parameter set. The drive circuitry is configured to drive a display panel based on the output pixel data.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: November 2, 2021
    Assignee: Synaptics Incorporated
    Inventors: Masao Orio, Hirobumi Furihata, Akio Sugiyama, Takashi Nose
  • Patent number: 11164910
    Abstract: Provided are a pixel structure, a mask, and a display device. The pixel structure includes a plurality of pixel groups arranged in an array. Each of the pixel groups includes a first pixel sub-group and a second pixel sub-group disposed adjacent to each other in a first direction. Each of the first pixel sub-group and the second pixel sub-group includes sub-pixels of three different colors, and each of the first pixel sub-group and the second pixel sub-group includes at least two sub-pixels having a same color and arranged consecutively.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: November 2, 2021
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Mingxing Liu, Weixuan Hou, Junfeng Li, Feng Gao, Dongyun Lv, Xuliang Wang
  • Patent number: 11158237
    Abstract: Disclosed are a driving method for a display panel, and a display device based on a viewing distance. The display panel includes a plurality of pixels arranged in an array, and each pixel includes sub-pixels of at least three colors. A viewing distance is acquired between a user and the display panel; the number of pixels to be lightened in the display panel is determined based on the viewing distance; the larger the viewing distance is, the smaller the number of pixels to be lightened in the display panel is; and displaying is performed based on the determined number of pixels to be lightened.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: October 26, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Desheng Xiang, Dawei Wang, Jingfei Mu, Jiaqiang Wang, Lidong Wang, Dong Wang
  • Patent number: 11138942
    Abstract: The present disclosure provides a driving method of a display module, a driving system thereof, and a display device. The driving method of the display module includes a display panel driving process, and a backlight module driving process driven synchronously with the display panel driving process. The display panel driving process includes steps: performing a color saturation adjustment; and obtaining second color signals to drive the display panel. The backlight module driving process includes steps: obtaining a first light source adjustment coefficient and a second light source adjustment coefficient; obtaining a second brightness value and a third brightness value; and driving the primary hue light source and the secondary by the second brightness value and the third brightness value respectively.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 5, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Chih Tsung Kang
  • Patent number: 11132948
    Abstract: A display device includes a display panel including a plurality of pixels, a data driver configured to generate a data voltage provided to the pixels, a light stress compensator configured to determine whether a pixel of the pixels satisfies a light stress condition based on an input image data, and to output a data voltage control signal that changes a voltage level of the data voltage provided to the pixel that satisfies the light stress condition, a scan driver configured to generate a scan signal provided to the pixels, and a timing controller configured to generate a control signal that controls the data driver and the scan driver.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: September 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung Ho Park
  • Patent number: 11127361
    Abstract: According to one embodiment, a display device includes a display panel on which first pixels and second pixels are alternately arranged in the columnar direction, and a display controller configured to input a first image signal and to display an image. The first pixels and the second pixels are arranged such that first sub-pixels are adjacent to third sub-pixels in the columnar direction. The display controller is configured to execute conversion of converting the input first image signal into a second image signal, vary the luminance values of the third sub-pixels in the second image signal based on the luminance values of the third sub-pixels in the first image signal which become unable to be represented in the display panel.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: September 21, 2021
    Assignee: Japan Display Inc.
    Inventors: Yasuo Saruhashi, Kazunari Tomizawa
  • Patent number: 11114015
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes multiple pixel units, multiple scan lines, and multiple data lines. Each pixel unit includes a first sub-pixel, a second sub-pixel, and a third sub-pixel having different colors. Sub-pixels having a same color are in a same sub-pixel row. The data line includes a first sub-data line and a second sub-data line, the first sub-pixels on two sides of each first sub-data line are electrically connected to a same first sub-data line and are driven through a same first sub-data line, and the second sub-pixel and the third sub-pixel in a same column are electrically connected to a same second sub-data line and are driven through a same second sub-data line.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoxiao Chen, Wenjun Xiao, Shijun Wang, Bo Feng, Yang Wang, Haoliang Ji
  • Patent number: 11114507
    Abstract: A pixel arrangement including first groups of sub-pixels arranged in a first direction, each of the first groups including first sub-pixels and third sub-pixels arranged alternately, and second groups of sub-pixels arranged in the first direction, each of the second groups including third sub-pixels and second sub-pixels arranged alternately. The first groups and the second groups are alternately arranged in a second direction perpendicular to the first direction. The first groups and the second groups are arranged to form third groups of sub-pixels arranged in the second direction and fourth groups of sub-pixels arranged in the second direction. The third groups and the fourth groups are alternately arranged in the first direction. Each of the third groups includes first sub-pixels and third sub-pixels arranged alternately. Each of the fourth groups includes third sub-pixels and second sub-pixels arranged alternately.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 7, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Benlian Wang, Yangpeng Wang, Yang Wang, Haijun Yin, Haijun Qiu, Yao Hu, Weinan Dai
  • Patent number: 11061234
    Abstract: A depth camera assembly for depth sensing of a local area includes an illumination source, an imaging device, and a controller. The illumination source illuminates a local area with light emitted in accordance with emission instructions generated by the controller. The illumination source includes an array of optical sources and an optical assembly. Operation of each optical source in the array is controllable based in part on the emission instructions. The optical assembly is configured to project the light into the local area. The imaging device captures one or more images of at least a portion of the light reflected from one or more objects in the local area. The controller determines depth information for the one or more objects based in part on the captured one or more images.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: July 13, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Zhaoming Zhu, Nicholas Daniel Trail
  • Patent number: 11043539
    Abstract: An organic light emitting display device includes subpixel groups including a plurality of subpixels, the subpixel groups being repeatedly arranged, wherein each of the subpixel groups includes a first subpixel unit and a second subpixel unit which each include a single blue subpixel, a single red subpixel, and two green subpixels, the two green subpixels of the first subpixel unit are arranged to be spaced apart in different directions with respect to a first extended line that runs through centers of the blue subpixel and the red subpixel of the first subpixel unit, and the two green subpixels of the second subpixel unit are arranged to be spaced apart in the same direction with respect to a second extended line that runs through centers of the blue subpixel and the red subpixel of the second subpixel unit.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 22, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JungGeun Jo, JungHyun Ham, YoungSun Seo, SeonMee Lee, YuHoon Kim
  • Patent number: 11043185
    Abstract: An electronic device includes a display driver integrated (DDI) circuit configured to output reference pixel values to be used to obtain target pixel values of a first line, and to output image pixel values associated with a target image; and a panel circuit configured to include the first line that includes pixels configured to display a reference image having the target pixel values, based on the reference pixel values, and a second line that includes pixels configured to display an image corresponding to the target image, based on the image pixel values. The DDI circuit may be further configured to compensate for the image pixel values based on differences between the image pixel values and the reference pixel values.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: June 22, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoonho Ko, Jiheon Ok, Taekon Yu, Hwa Hyun Cho
  • Patent number: 11030933
    Abstract: A sub-pixel rendering method includes: obtaining a digital image, in which the number of grey levels in the digital image is greater than a number of sub-pixel structures of a display panel; determining if each grey level is in a dark-on-bright texture; transforming the grey levels into sub-pixel luminances; performing a filter operation on the sub-pixel luminances according to a rendering mask to calculate rendered sub-pixel luminances, in which a weight of the rendering mask is increased if the corresponding sub-pixel luminance is in the dark-on-bright texture; transforming the rendered sub-pixel luminances into rendered grey levels, and driving the display panel according to the rendered grey levels.
    Type: Grant
    Filed: December 8, 2019
    Date of Patent: June 8, 2021
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventor: Chi-Feng Chuang
  • Patent number: 10991318
    Abstract: A display driver comprises image processing circuitry, compensation circuitry, voltage data generator circuitry, and drive circuitry. The image processing circuitry is configured to generate a first voltage data based on an image data corresponding to an image to be displayed on a display panel. The compensation circuitry is configured to generate correction values for pixels of the display panel, based on a total current consumed in the pixels of the display panel and positions of the pixels in the display panel. The voltage data generator circuitry is configured to generate a second voltage data by correcting the first voltage data based on the correction values. The drive circuitry is configured to write drive voltages into the pixels based on the second voltage data.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: April 27, 2021
    Assignee: Synaptics Incorporated
    Inventors: Masao Orio, Hirobumi Furihata, Takashi Nose
  • Patent number: 10983385
    Abstract: A display device includes a plurality of first pixels and a plurality of second pixels. The first and second pixels are configured to display different colors from each other, and a pitch between adjacent ones of the first pixels in a first direction is different from a pitch between adjacent ones of the second pixels in the first direction.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: April 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunsup Lee, Hyesog Lee
  • Patent number: 10984697
    Abstract: This disclosure relates to techniques for a driving apparatus including a reordering circuit and a source driving circuit. The reordering circuit can be configured to reorder a plurality of sub-pixel data of an input data string to generate a reordered data string so as to reduce a color switching number associated with a target data line. The source driving circuit can be coupled to the reordering circuit to receive the reordered data string. The source driving circuit can be configured to drive the target data line of a display panel according to the reordered data string.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: April 20, 2021
    Assignee: Novatek Microelectronics Corp.
    Inventors: Tso-Hua Chien, Hung-Hsiang Chen, Huang-Chin Tang
  • Patent number: 10971088
    Abstract: A sub-pixel rendering method, comprising the following steps: acquiring a second pixel array corresponding to an original image, each sub-pixel of the second pixel array corresponding to a greyscale value; mapping the second pixel array of the original image onto a first pixel array; respectively finding the central positions of the sub-pixels of the first pixel array and of the second pixel array, determining sub-pixels of the second pixel array positioned in every sub-pixel preset region in the first pixel array and of the same colour as said sub-pixels in the first pixel array, and measuring the distance of same from the central position of said sub-pixels of the first pixel array; on the basis of the distance, calculating the proportional coefficient occupied by the sub-pixels of the second pixel array in the sub-pixels of the first pixel array, and on the basis of the proportional coefficient and the greyscale value of the sub-pixels of the second pixel array, calculating the greyscale value correspondin
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: April 6, 2021
    Assignee: TRULY (HUIZHOU) SMART DISPLAY LIMITED
    Inventors: Guoliang Wu, Xiaojin Song, Wu Zheng, Yuewen Wang, Tianyou Chen, Junwen Hu, Junhai Su, Jianhua Li
  • Patent number: 10971055
    Abstract: The present application discloses a display adjustment method and a display device. The method comprises steps of: obtaining a first pixel data of an image displayed by the display device; converting the first pixel data into a second pixel data after the first pixel data enters a timing controller; converting at least one of the second pixel data into sub-pixel data whose amount of stored data is reduced relative to the second pixel data to obtain a corresponding third pixel data; outputting the third pixel data.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: April 6, 2021
    Assignee: HKC Corporation Limited
    Inventor: Shuixiu Hu
  • Patent number: 10964240
    Abstract: A method of calibrating a display panel includes making measurements of color components produced by the display panel, receiving an input image signal consisting of one or more pixel represented by input color component values, applying a first non-linear transform to the input color component values of the pixel to produce transformed color component values, wherein the first non-linear transform is either based upon the measurements and the panel design or a ratio of values of color components based upon the measurements, applying a crosstalk correction transform to the transformed color component values to produce crosstalk corrected color component values, applying a second non-linear transform to the crosstalk corrected color component values to produce final color component values, and sending the final color component values to the display panel.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: March 30, 2021
    Assignee: Pixelworks, Inc.
    Inventor: Neil Woodall
  • Patent number: 10957282
    Abstract: A luminance compensation method for a display panel includes: dividing the display area into at least two sub-display areas including a first sub-display area and a second sub-display area, where a density of luminance abnormal textures in the first sub-display area is smaller than that in the second sub-display area, a number of types of the luminance abnormal textures in the first sub-display area is less than that in the second sub-display area; dividing the first sub-display area into a plurality of first compensation units, dividing the second sub-display area into at least one second compensation unit, where a total number of pixel units in each first compensation unit is greater than that in each second compensation unit; obtaining a compensation coefficient of each compensation unit and forming a compensation coefficient table; performing luminance compensation for the display panel according to the compensation coefficient table.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: March 23, 2021
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yajun Hei, Jingxiong Zhou, Ruiyuan Zhou
  • Patent number: 10950162
    Abstract: Systems and methods for a six-primary color system for display. A six-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. The six-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: March 16, 2021
    Assignee: BAYLOR UNIVERSITY
    Inventors: Gary B. Mandle, James M. DeFilippis
  • Patent number: 10943519
    Abstract: An image processing method and a display device are provided. The display device includes a computation circuit and a display panel. In the image processing method, at first, an original image including a straight line pattern and upper pixels is provided. The straight line pattern includes lower pixels opposite to the upper pixels. The display panel includes first lower sub-pixel structures corresponding to the first lower pixels and first upper sub-pixel structures corresponding to the first upper pixels. Thereafter, vertical sub-pixel rendering methods are performed on pixel luminances of the first lower pixels and the upper first upper pixels to obtain rendering sub-pixel luminances of the first lower pixels and the upper first upper pixels. Then, the first lower sub-pixel structures and the first upper sub-pixel structures are driven according to the rendering sub-pixel luminances.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 9, 2021
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventor: Chi-Feng Chuang
  • Patent number: 10923904
    Abstract: An overvoltage protection unit, an overvoltage protection method, a sampling module, a pixel circuit and a display apparatus are provided. The overvoltage protection unit includes a comparator and an output switch, where a first input terminal of the comparator is supplied with a predetermined maximum voltage, a second input terminal of the comparator is supplied with an actual sampled voltage, an output terminal of the comparator is connected with a control terminal of the output switch and the actual sampled voltage is supplied to an input terminal of the output switch; the output switch selectively outputs the actual sampled voltage in accordance with an output signal of the comparator.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 16, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chun Cao, Min He
  • Patent number: 10916184
    Abstract: Embodiments of the present disclosure provide an array substrate and a driving method thereof, a display panel as well as a display device. The array substrate comprises: m rows and n columns of subpixels, wherein m and n are positive integers; a plurality of gate lines, wherein if m is an even number, when i<(m+1)/2, the ith gate line is connected to the subpixels in the (2i?1)th row and the 2ith row, and wherein if m is an odd number, when i<(m+1)/2, the ith gate line is connected to the subpixels in the (2i?1)th row and the 2ith row and when i=(m+1)/2, the ith gate line is connected to the subpixels in the mth row, wherein i is a positive integer less than or equal to (m+1)/2; and a plurality of data lines, wherein each column of subpixels corresponds to two data lines coupled to the subpixels.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: February 9, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Lei Wang, Li Xiao, Shengji Yang, Pengcheng Lu, Xiaochuan Chen
  • Patent number: 10916211
    Abstract: Provided are a method for correcting luminance nonuniformity of a liquid crystal display apparatus and a correction data generation device. Included are setting a voltage of a counter electrode to a specific counter voltage and capturing an image of a display screen; capturing each image of the display screen while increasing and decreasing the voltage of the counter electrode by a predetermined voltage; detecting a luminance value for each of a plurality of regions of the display screen each time an image is captured; determining a correction voltage for each of the region, for correcting a deviation of the counter voltage, based on a luminance value detected without varying a voltage of the counter electrode and luminance values each detected while increasing and decreasing a voltage of the counter electrode and superimposing a determined correction voltage on the data signal having an amplitude corresponding to a grayscale value.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: February 9, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Nobuyoshi Nagashima
  • Patent number: 10916591
    Abstract: A pixel structure, the pixel structure comprising a plurality of pixels arranged in an array, each pixel comprising three sub-pixels of different colours arranged in two adjacent rows; the plurality of pixels also comprise a plurality of first pixels and a plurality of second pixels, the plurality of first pixels and the plurality of second pixels being arranged alternately along the row direction; along the row direction, one sub-pixel of each first pixel is positioned in the same row as two sub-pixels of the adjacent second pixel, and the other two sub-pixels of each first pixel are positioned in the same row as the other sub-pixel in the adjacent second sub-pixel; and two sub-pixels positioned in different rows in each first pixel are respectively adjacent to the sub-pixels of the same corresponding colour in an adjacent second pixel.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: February 9, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Panting He, Chang Luo, Ju Mei
  • Patent number: 10909953
    Abstract: According to an aspect, a display device includes a display panel including sub-pixels of three primary colors, and pixels having a high-luminance color having higher luminance than that of the primary colors. The three primary colors include a first primary color, a second primary color, and a third primary color. The number of the sub-pixels is smaller than twice the number of the pixels, sub-pixels of the same color are arranged at even intervals in a row direction and at even intervals in a column direction, and the sub-pixels of the same color are arranged in a staggered manner.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 2, 2021
    Assignee: Japan Display Inc.
    Inventors: Shuji Hayashi, Takayuki Nakanishi