Patents Examined by Stacy Khoo
  • Patent number: 11373622
    Abstract: Various embodiments disclose a system that includes a first source processor that generates a first stream of graphics data, a second source processor that generates a second stream of graphics data, a display device that displays at least one of the first stream of graphics data and the second stream of graphics data, and a timing controller that is coupled to the first source processor and the second source processor and receives a first control signal to enter into a self-refresh state, in response, enters into the self-refresh state, causes the display device to display a first frame stored in memory, wherein the first frame includes at least a portion of data included in the first stream of graphics data, receives a second stream of graphics data, exits the self-refresh state, and causes the display device to display the second stream of graphics data.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: June 28, 2022
    Assignee: NVIDIA Corporation
    Inventors: ChinFeng Hsu, Andrew R. Bell, Gabriele Gorla, Subhash Gutti
  • Patent number: 11361713
    Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit including a driving module, a first reset module, a compensation module, a light-emitting control module and a light-emitting module. The first reset module includes a first dual-gate transistor, and the compensation module includes a second dual-gate transistor. A first intermediate node of the first dual-gate transistor and a second intermediate node of the second dual-gate transistor are electrically connected to a light-emitting control signal line through a first capacitor and a second capacitor, respectively. The first dual-gate transistor includes a first parasitic capacitor corresponding to the first capacitor, and the second dual-gate transistor includes a second parasitic capacitor corresponding to the second capacitor. A capacitance of at least one of the first capacitor and the second capacitor is greater than or equal to a capacitance of the corresponding parasitic capacitor.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: June 14, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Jujian Fu
  • Patent number: 11355051
    Abstract: The present disclosure provides a display device and a display panel thereof, and a pixel drive circuit of a display panel. By changing a width-to-length ratio of a drive transistor in the pixel drive circuit of each sub-pixel, or changing a capacitance of a storage capacitor at the same time, such that: under the same gray scale, the width-to-length ratio of a drive transistor of each sub-pixel in same color is in direct proportion to a drive current; or at the same time a charging saturation of a storage capacitor of each sub-pixel in same color is the same, and the capacitance of the storage capacitor of each sub-pixel in same color is in direct proportion to the drive current, and the charging saturation is a difference value between an actual charging voltage and a theoretical charging voltage of the storage capacitor when a charging phase ends.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: June 7, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ECTRONICS CO., LTD
    Inventors: Zhihua Shen, Lu Zhang, Jianlong Wu, Siming Hu
  • Patent number: 11355065
    Abstract: The present disclosure provides a pixel compensation driving circuit, which compensates an actual threshold voltage of a driving transistor, and finally makes current flowing through a light-emitting element independent from the actual threshold voltage of the driving transistor, thereby eliminating a drift of the actual threshold voltage of the driving transistor which causes uneven display of a display device, and improving display effect of a screen. The present disclosure also provides a pixel compensation driving method for driving the pixel compensation driving circuit, and a display device including the pixel compensation driving circuit.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: June 7, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhen Wu, Zhenling Wang
  • Patent number: 11351447
    Abstract: Systems and methods are disclosed for interacting with a person by rendering images with a display; capturing a vision and transmit a vision to the display; detecting with sensors one or more biometric and physical conditions, the sensor having a wireless transceiver adapted to communicate with a remote processor; and providing sexual stimulation with explicit augmented or virtual reality views of sex organ body part based on the biometric and physical conditions.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: June 7, 2022
    Inventor: Naveen Kumar
  • Patent number: 11347357
    Abstract: An electronic device includes a first electrode, a second electrode, and a third electrode. The first electrode includes a first boundary side extending in a direction. The second electrode includes a second boundary side extending in the direction. The third electrode is disposed between and spaced apart from the first electrode and the second electrode. The third electrode includes a first side facing the first boundary side and a second side facing the second boundary. The first side and the second side have shapes that are asymmetric to each other with respect to a center axis extending in the direction.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: May 31, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Jun, Hwan-Hee Jeong, Kicheol Kim, Jaehyun Lee, Hyun-wook Cho
  • Patent number: 11348523
    Abstract: A display substrate, includes: a plurality of pixel driving circuits; a plurality of groups of light-emitting driving signal lines, wherein each driving signal line group of the plurality of groups of light-emitting driving signal lines includes a plurality of light-emitting driving signal lines; and a plurality of pixel circuit multiplexing units coupled to the plurality of pixel driving circuits, respectively, wherein each pixel circuit multiplexing unit includes N light-emitting units coupled to one of the plurality of pixel driving circuits and a group of light-emitting driving signal line.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: May 31, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Minghua Xuan, Dongni Liu, Hao Chen
  • Patent number: 11347354
    Abstract: A smart toilet with a bidet, and a midair input display. The input display is bacterial free, due to the display being made of air molecules excited by lasers, that produce lights in midair. The produced lights are holograms. A user contacts the holograms, with their finger. The holograms have a touch feel. Contact with one of the holograms with the finger, is detected by a camera, and is associated to an activation of the hologram, and an activation of a bidet operation associated to the hologram. Each hologram shows a different operation of the bidet, by either the hologram or a sign associated to the hologram. Some of the operations of the bidet, wash the user's elimination areas, with water directed from the bidet. Some of the bidet operations include, bidet back wash, front wash, change of bidet water temperature, and change of water pressure.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: May 31, 2022
    Inventor: sigmund lindsay clements
  • Patent number: 11341907
    Abstract: There is provided an organic light-emitting diode drive circuit comprising a switch transistor (T1), a drive transistor (T2), a storage capacitor (C), and an organic light-emitting diode (OLED), wherein the switch transistor (T1) uses an inorganic semiconductor transistor, and the drive transistor (T2) uses an organic semiconductor transistor. A display screen adopting the drive circuit as a unit pixel has the property of uniform brightness. In addition, there is provided a method of fabricating the drive circuit and a display device using the drive circuit.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: May 24, 2022
    Assignee: CHANGCHUN FLEXIBLE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaodong Guo
  • Patent number: 11341908
    Abstract: A pixel circuit and a driving method thereof, a display panel and a display device are provided. The pixel circuit includes a drive circuit, a first reset bias circuit, and a second reset bias circuit. A control terminal of the drive circuit is electrically connected to the first reset bias circuit, a first terminal of the drive circuit is electrically connected to the second reset bias circuit; the first reset bias circuit is further electrically connected to a first control terminal and a first bias voltage terminal; the second reset bias circuit is further electrically connected to a bias control terminal and a second bias voltage terminal; the first reset bias circuit and the second reset bias circuit are configured to control the drive circuit to be in a bias state during a reset phase.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tian Dong
  • Patent number: 11335261
    Abstract: A display panel and a driving method thereof, and a display apparatus are provided. In the present disclosure, external compensation circuits electrically connected to pixel circuits are added. The external compensation circuits are configured to adjust anode voltages of light emitting devices to cause the anode voltages of the light emitting devices to be consistent with voltages of data voltage ends.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: May 17, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Tieshi Wang, Wei Qin, Chunfang Zhang
  • Patent number: 11327584
    Abstract: An integrated circuit includes a first terminal that is connected to a first end of a first capacitor, the first capacitor being included in a resonant circuit, a second terminal that is connected to a second end of the first capacitor, a plurality of second capacitors connected in parallel between the first and second terminals, and a control circuit which, in operation, changes a capacitance of each of the second capacitors. An electronic pen includes the integrated circuit and a first capacitor having a capacitance that varies based on pressure applied to a nib of the electronic pen.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: May 10, 2022
    Assignee: Wacom Co., Ltd.
    Inventors: Shigeru Yamashita, Toshihiko Horie, Masamitsu Ito
  • Patent number: 11322083
    Abstract: An organic light emitting diode (OLED) display panel and a driving method thereof are provided. The OLED display panel includes a plurality of pixel unit circuits and an external compensation unit connected to all of the pixel unit circuits. The external compensation unit performs external compensation on each of the pixel unit circuits, obtains an initial threshold voltage of a corresponding driving thin film transistor (TFT) of each of the pixel unit circuits, adds the initial threshold voltage to a predetermined initial potential, and then inputs a sum of the initial threshold voltage and the predetermined initial potential to each of the pixel unit circuits Each of the pixel unit circuits performs internal compensation based on the sum of the initial threshold voltage and the predetermined initial potential.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 3, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Chenglei Nie, Baixiang Han, Kun Cao
  • Patent number: 11322086
    Abstract: A light emitting apparatus and a display device are provided. The light emitting apparatus includes a light emitting unit and a pixel circuit. The pixel circuit is electrically connected to the light emitting unit. The pixel circuit includes a first driving transistor and a second driving transistor. The first driving transistor and the second driving transistor are configured to provide a first driving current and a second driving current to the light emitting unit at the same time, respectively. The first driving transistor includes a first gate terminal. The second driving transistor includes a second gate terminal. The first gate terminal and the second gate terminal are electrically connected to different nodes. The display device includes the light emitting apparatus.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: May 3, 2022
    Assignee: Innolux Corporation
    Inventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
  • Patent number: 11315488
    Abstract: A pixel compensation circuit is provided. The pixel compensation circuit includes: a first transistor connected to a first scan line, wherein a first terminal of the first transistor is connected to a data line and a second terminal of the first transistor is connected to a second terminal of the driving transistor; a second transistor connected to a first scan line, wherein a first terminal of the second transistor is connected to a first terminal of the driving transistor and a second terminal of the second transistor is connected to a control terminal of the driving transistor; and a third transistor, wherein a control terminal of the third transistor is connected to a control line, a first terminal of the third transistor is connected to a supply voltage line, and a second terminal of the third transistor is connected to the first terminal of the driving transistor.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: April 26, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yan Xie
  • Patent number: 11307696
    Abstract: Disclosed are a display device with integrated touch screen and a method of manufacturing the same, which prevent the partial detachment of an organic layer. The display device includes a light emitting device layer including a first electrode disposed on a first substrate, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and a touch sensing layer disposed on the light emitting device layer. The touch sensing layer includes a first touch electrode layer, a second touch electrode layer, and a touch insulation layer disposed therebetween, and the touch insulation layer includes a touch inorganic layer covering the second touch electrode layer and a touch organic layer disposed on the touch inorganic layer.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: April 19, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sanghyuk Won, JaeWon Lee, Byonghoo Kim, Hyangmyoung Gwon, SangHoon Pak, Jeonghoon Lee
  • Patent number: 11308878
    Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a first transistor (T1), a second transistor (T2), a third transistor (T3), a first storage capacitor (Cst1), a second storage capacitor (Cst2) and an organic light emitting element (OLED). By appropriately designing capacitance of the two capacitors and dividing a gate voltage of the first transistor (T1), it can be ensured that a black screen is achieved and contrast of a display panel is improved even though a negative drift is seriously caused on a threshold voltage of T1.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: April 19, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qikun Liu, Jiexin Zheng
  • Patent number: 11295667
    Abstract: Provided are a pixel structure, a display panel and a control method thereof. The pixel structure includes four sub-pixel units, wherein the i-th sub-pixel unit includes: an i-th element to be driven and an i-th drive circuit, 1?i?4, and the i-th drive circuit is respectively connected with an M-th data line and an N-th scanning line, and is configured to drive the i-th element to be driven according to a data signal of the M-th data line under control of the N-th scanning line, M = { 1 , 1 ? i ? 2 2 , 3 ? i ? 4 , N = { 1 , 2 ? i ? 3 2 , i ? ? is ? ? 1 ? ? or ? ? 4 .
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: April 5, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Song Meng, Can Yuan
  • Patent number: 11282461
    Abstract: A display device includes a pixel driving circuit and a light-emitting element. The pixel driving circuit includes an initialization signal terminal, a data signal terminal, a first initialization unit, a driving module and a first light-emitting control unit. The first initialization unit is electrically connected between the initialization signal terminal and an anode of the light-emitting element. In a write frame, the first initialization unit is configured to, under control of a first scan signal, provide the anode of the light-emitting element with a first initialization voltage signal Vref1. In a maintenance frame, the first initialization unit is configured to, under the control of the first scan signal, provide the anode of the light-emitting element with a second initialization voltage signal Vref2 which is different from the first initialization voltage signal Vref1.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: March 22, 2022
    Assignee: Xiamen Tianma Micro-Electronic Co., Ltd.
    Inventors: Jieliang Li, Yong Yuan, Wanming Huang
  • Patent number: 11281014
    Abstract: A head-mountable display device includes: a display element observable by a user; an image generator operable to generate an image for display by the display element; a plurality of ultrasound transducers, the ultrasound transducers being operable and arranged to emit ultrasound signals towards at least a first eye of the user when the head-mountable display is being worn by the user; one or more sensors operable and arranged to detect reflections of the emitted ultrasound signals; an eye imaging unit operable to generate a representation of the user's eye based on the ultrasound signals received at the one or more sensors; and an eye position detector configured to detect the position of the eye relative to the position of the head-mountable display device based on the representation, the eye position detector being configured to detect whether the position of the eye is offset from a desired position.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: March 22, 2022
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Colin Jonathan Hughes, Oliver Hume, Patrick John Connor