Patents Examined by Muhammad N. Edun
  • Patent number: 11817038
    Abstract: To make a display device inconspicuous. A display system includes a base and a display device attached to the base. The display device includes a plurality of inorganic light emitters arrayed in a matrix with a row-column configuration and a surface layer. The surface layer is provided in a traveling direction of light emitted from the inorganic light emitters with respect to the inorganic light emitters and includes a plurality of transmission parts and a blocking part. The transmission parts are provided in a matrix with a row-column configuration so as to overlap the inorganic light emitters when viewed from the traveling direction of the light and allow the light from the inorganic light emitters to pass therethrough. The blocking part blocks the light from the inorganic light emitters. The inorganic light emitters are provided overlapping the transmission parts provided to the surface layer.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventor: Osamu Itou
  • 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: 11818561
    Abstract: Digital audio signal processing techniques used to provide an acoustic transparency function in a pair of headphones. A number of transparency filters can be computed at once, using optimization techniques or using a closed form solution, that are based on multiple re-seatings of the headphones and that are as a result robust for a population of wearers. In another embodiment, a transparency hearing filter of a headphone is computed by an adaptive system that takes into consideration the changing acoustic to electrical path between an earpiece speaker and an interior microphone of that headphone while worn by a user. Other embodiments are also described and claimed.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: November 14, 2023
    Assignee: Apple Inc.
    Inventors: Ismael H. Nawfal, Joshua D. Atkins, Stephen J. Nimick, Guy C. Nicholson, Jason M. Harlow
  • Patent number: 11815756
    Abstract: An information display device attachable to a structure includes a display panel and a surface member. The display panel has a display surface and is configured to display information on the display surface. The surface member is a surface member disposed on a display surface side of the display panel, and has a larger surface area than the display panel. When the display panel is turned on, only the information displayed on the display surface of the display panel becomes visible through the surface member.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: November 14, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masaharu Matsumoto, Takeshi Hatakeyama
  • Patent number: 11817021
    Abstract: A display device includes display panels; a frame supporting the display panels; a first magnetic body disposed on the frame; and a second magnetic body disposed on at least a part of the display panels, wherein the first magnetic body and the second magnetic body overlap each other in a direction parallel to a surface of the display panels and a direction perpendicular to the surface of the display panels.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: November 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Jin Park, Seung Jae Kang, Sung-Jun Kim, Ha Sook Kim, Jeong Weon Seo, Min-Gwan Hyun
  • Patent number: 11810500
    Abstract: A micro LED display panel and a pixel driving circuit thereof. The pixel driving circuit is used for driving a light-emitting unit, which includes a plurality of micro LEDs connected in series. The pixel driving circuit includes a switch unit, a driving unit and a selection unit. The switch unit controls a data signal input according to a scan signal. The driving unit is electrically connected to the switch unit and the light-emitting unit, and is electrically connected to a first voltage. The selection unit receives a selection signal and is electrically connected to a second voltage. The selection unit is electrically connected to the micro LEDs and the driving unit. The number and brightness of the micro LEDs to be turned on are controlled by the selection unit and the driving unit according to the selection signal and the data signal.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: November 7, 2023
    Assignee: PLAYNITRIDE DISPLAY CO., LTD.
    Inventors: Kuan-Yung Liao, Yi-Ching Chen
  • Patent number: 11810499
    Abstract: A micro-light-emitting diode (microLED) display panel includes a display area divided into a plurality of blocks; a plurality of drivers that drive microLEDs of the blocks respectively; and at least one timing controller that controls the drivers. In each block, anodes of microLEDs in a same row are connected to a corresponding data line, and cathodes of microLEDs in a same column are connected to a corresponding common line.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: November 7, 2023
    Assignee: Prilit Optronics, Inc.
    Inventors: Biing-Seng Wu, Hsin-Hung Chen, Hsing-Ying Lee
  • Patent number: 11810502
    Abstract: An electroluminescent display apparatus including a pixel connected to a detection line; a panel driving circuit configured to off-drive a driving element included in the pixel in a detection interval; a reference voltage generating circuit configured to supply a detection reference voltage to the detection line prior to the detection interval, generate a first comparator reference voltage which is higher than the detection reference voltage in the detection interval, and generate a second comparator reference voltage which is lower than the detection reference voltage in the detection interval; a comparator configured to compare the first comparator reference voltage with a voltage of the detection line to generate a first comparison output at a first timing of the detection interval and comparing the second comparator reference voltage with the voltage of the detection line to generate a second comparison output at a second timing of the detection interval; and a logic circuit configured to determine an occ
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: November 7, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chang Woo Lee, Jin Hyun Jung, Sun Yoon Kim, Hyun Wook Kim
  • Patent number: 11809622
    Abstract: According to various embodiments of the disclosure, an electronic device includes: a frame; a glass module comprising a glass supported by the frame; a support rotatably connected to the frame; a display module comprising display circuitry configured to project an image to the glass module; a front camera disposed in at least one of the frame or the support configured to photograph the front of the frame; a light emitting unit comprising light-emitting circuitry configured to radiate light toward the rear of the frame; and an eye tracking camera disposed in the frame configured to photograph the rear of the frame and including a lens assembly including at least one lens, wherein the eye tracking camera is configured to form a field of view (FOV) to include both a left eye and a right eye of a user based on an object distance, which is a distance between the lens assembly and an object, being a first distance corresponding to a distance between the lens assembly and the left eye and/or the right eye of the use
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doukyoung Song, Hokeun Kwak, Jina Jeon
  • Patent number: 11804173
    Abstract: A display device includes a light emitting element, a timing controller, and an initialization power generator. The timing controller determines whether a second image associated with a second frame is different from a first image associated with a first frame. The second frame immediately follows the first frame. The initialization power generator is electrically connected to the timing controller, provides a reference voltage for initializing the light emitting element in the second frame when/if the second image is identical to the first image, and provides a first adjusted voltage unequal to the reference voltage for initializing the light emitting element in the second frame when/if the second image is different from the first image.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Si Beak Pyo
  • Patent number: 11797134
    Abstract: A display device includes a display module, a first supporter under the display module, a second supporter under the display module, the first and second supporters being arranged in a first direction with a space therebetween, and a digitizer module under the first and second supporters and including a first opening extending in a second direction crossing the first direction and second openings respectively extending along the first direction from both ends of the first opening. The first opening overlaps with the space between the first supporter and the second supporter.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Jiwon Han
  • Patent number: 11790842
    Abstract: A driving circuit, a display panel, and a display device are provided. In the driving circuit, a first and second light-emitting control sub-circuits are configured to drive a light-emitting unit to emit light; an energy storage element; an operational sub-circuit is configured to compare a voltage at a point where the energy storage element is electrically connected with the operational sub-circuit with a reference voltage to obtain an output signal; a first data input sub-circuit is turned on or off according to the output signal, and when turned on, transmit a first data signal to the first and second light-emitting control sub-circuits to drive the light-emitting unit to emit light; a second data input sub-circuit is configured to be turned on or off according to the output signal, and when turned on, transmit a second data signal to the first and second light-emitting control sub-circuits to drive the light-emitting unit to emit light.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: October 17, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Rongrong Li
  • Patent number: 11790833
    Abstract: A display device includes: a pixel unit including pixels connected to first scan lines, second scan lines, and data lines; a scan driver for supplying a first scan signal to the pixels through the first scan lines at a first frequency and supplying a second scan signal to the pixels through the second scan lines at a second frequency different from the first frequency in a first mode; a first signal supply for supplying an inspection signal to the pixels through at least one of the data lines in response to the first scan signal in a first period of the first mode; and a second signal for supply supplying a bias signal to the pixels through the data lines in response to the first scan signal in a second period of the first mode.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Jae Hyun Lee, Yoon Jong Cho
  • Patent number: 11790840
    Abstract: A tiling display apparatus includes a plurality of display modules connected to one another to configure a screen, a set board configured to output an input data enable signal and image data synchronized therewith to one of the plurality of display modules, and first to Nth (where N is a natural number of 3 or more) timing controllers configured for the plurality of display modules, the first to Nth timing controllers are sequentially connected to one another in a first direction through a first interface line based on a cascading scheme and configured to receive the input data enable signal and the image data at different timings which are sequentially delayed and synchronize a display time of the image data on the basis of an independently generated output data enable signal.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: October 17, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Tae Gung Kim, Dae Sung Park, Chang Woo Seo
  • Patent number: 11783760
    Abstract: The present disclosure provides a pixel circuit and a display panel. The pixel circuit controls a conduction time of the driving module according to a connected triangle-wave analog signal, a time controlling analog signal, and a brightness control analog signal connected through an analog comparator, and controls a conduction degree of the driving module according to a brightness control analog signal connected through the analog comparator; thus a light-emitting time and/or luminous brightness of a light-emitting module is controlled, and multi-gray-scale display with a simpler pixel circuit structure is realized.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: October 10, 2023
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Lei Wu, Mian Zeng, Liang Sun
  • Patent number: 11783767
    Abstract: A display driving circuit includes a light emitting assembly which includes a first control switch having a first terminal connected to a cathode of the light emitting unit, a second terminal connected to a common terminal, and a control terminal connected to a first signal wire to provide a first control signal and a second control switch having a first terminal connected to a charging terminal, a second terminal connected to an anode of the light emitting unit and a control terminal connected to a second signal wire to provide a second control signal. When the light emitting unit is turned off, the first control switch disconnects the cathode of the light emitting unit and the common terminal in response to the first control signal, and the second control switch disconnects the anode of the light emitting unit and the charging terminal in response to the second control signal.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: October 10, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiangheng Liu, Jun Shi, Tingting Yang, Chunyan Li, Yun Lin, Zhihao Wang, Haijiang Yuan
  • Patent number: 11783748
    Abstract: Bioactive display systems for displaying digital content. The display systems have one or more LED-based lighting channels adapted to generate one or more of a long red near infrared (LRNE) red light, a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode. The bioactive lighting can have a first circadian-stimulating energy characteristic related to the associated first spectral power distributions of light generated in the first operational mode, and the non-circadian-inducing blue light can have a second circadian-stimulating energy characteristic related to the associated second spectral power distribution of light generated in the second operational mode. Disclosure methods of generating digital display content with the display systems described herein.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 10, 2023
    Assignee: KORRUS, INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard, Benjamin Harrison
  • Patent number: 11776463
    Abstract: A display device includes a light emitting unit, first and second capacitors, and first and second switches. The light emitting unit emits light according to a voltage level of a first node. A first terminal of the first capacitor is coupled to the first node, and a second terminal of the first capacitor is coupled to a second node. A first terminal of the second capacitor is coupled to the second node, and a second terminal of the first capacitor is coupled to the light emitting unit. A first terminal of the first switch is coupled to the first node, and a second terminal of the first switch is coupled to the light emitting unit. The second switch is configured to be turned on before the first switch is turned on, and a first terminal of the second switch is coupled to the first node.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: October 3, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Shu-Hao Huang, Hsien-Chun Wang, Sung-Yu Su
  • Patent number: 11776461
    Abstract: A circuit for generating a PWM signal includes a shift register having a plurality of clock-controlled register units. Each clock-controlled register unit has an input and an output. The circuit also includes a write unit configured to set the outputs of the register units each to a designated logical value. The circuit further includes a clock generator configured to drive the register units with a common clock signal. The register units are connected in series. The shift register is configured to output the PWM signal at an output contact. The PWM signal is a chronological sequence of the logical values set in the register units, the PWM signal assumes each of the logical values with the duration of one clock of the clock signal, the clock signal is cyclic, during one cycle the duration of successive clocks changes, and the clock signal is identical per cycle.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: October 3, 2023
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Christopher Soell, Markus Koesler, Jens Richter
  • Patent number: 11763732
    Abstract: A display device includes: a light-emitting profile creation circuit creating a first light-emitting profile from a first image signal; and an image signal adjustment circuit adjusting a second image signal in accordance with the first light-emitting profile.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 19, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroyuki Furukawa, Masafumi Ueno, Naoto Inoue, Chie Toridono