Patents Examined by Michael J Jansen, II
  • Patent number: 11688333
    Abstract: A display device includes a display substrate and a backplane substrate. The display substrate includes an array of micro-LEDs forming individual pixels. The backplane substrate includes a plurality of pixel logic hardware modules. Each pixel logic hardware module includes a local memory element configured to store a multi-bit pixel intensity value of a corresponding micro-LED for an image frame. The backplane substrate is bonded to a backside of the display substrate such that the pixel logic hardware modules are physically aligned behind the array of micro-LEDs and each pixel logic hardware module is electrically connected to a micro-LED of the corresponding pixel.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: June 27, 2023
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Charles Walter Boecker, Niranjan Achugundla Puttaswamy, Barry Thompson, Sheethal Somesh Nayak, Jeffrey Neil Margolis, Chuan Pu
  • Patent number: 11676534
    Abstract: A light emitting display device includes a display panel configured to display an image, a driver configured to drive the display panel, and a compensation circuit configured to repeat a process of obtaining a sensing voltage from a sub-pixel included in the display panel, storing the sensing voltage, outputting the stored sensing voltage to the sub-pixel, and obtaining a sensing voltage from the sub-pixel to integrate the sensing voltage.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: June 13, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyuck Jun Kim, Dong Kyun Woo, Tae Young Lee
  • Patent number: 11670225
    Abstract: A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Taek Kim, Sang Su Han, Kyun Ho Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee
  • Patent number: 11670224
    Abstract: A driving circuit for a light-emitting diode (LED) panel includes a first current source and a second current source. The first current source, coupled to a current source terminal of the driving circuit, is configured to output a first current to the LED panel through the current source terminal. The second current source, coupled to a current sink terminal of the driving circuit, is configured to receive a second current from the LED panel through the current sink terminal.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: June 6, 2023
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Jhih-Siou Cheng, Chun-Fu Lin
  • Patent number: 11670245
    Abstract: A lower-power driving display device and a driving method. The driving method of the display device includes dividing the plurality of output buffers of the data driver into a plurality of output buffer groups, each of the plurality of output buffers being configured to apply the data voltage to each of the plurality of data lines connected with the display panel, and determining the magnitude of a bias current supplied to an output buffer on the basis of a pattern of a data voltage output by the output buffer which belongs to each of the plurality of divided output buffer groups.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: June 6, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Daehwan Kim, Jeongho Kang, Yongjin Park
  • Patent number: 11663960
    Abstract: An electronic device is provided. The electronic device includes a driver, a driving circuit and an electronic element. The driver converts a first PWM data to a second PWM data according to a gamma setting curve, and converts a first PAM data to a second PAM data according to the gamma setting curve. The driving circuit includes a PWM circuit and a PAM circuit. The PWM circuit receives the second PWM data. The PAM circuit receives the second PAM data. The electronic element emits a light according to a driving current provided from the driving circuit.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: May 30, 2023
    Assignee: Innolux Corporation
    Inventor: Kazuyuki Hashimoto
  • Patent number: 11663959
    Abstract: According to an aspect, a display device includes a pixel including a first sub-pixel configured to emit light having a peak in a spectrum of red, a second sub-pixel configured to emit light having a peak in a spectrum of green, and a third sub-pixel configured to emit light having a peak in a spectrum of blue. The first sub-pixel, the second sub-pixel, and the third sub-pixel are inorganic light-emitting diodes. A light emission intensity of the second sub-pixel is increased at a predetermined ratio with respect to a light emission intensity of the first sub-pixel when the first sub-pixel emits light at a light emission intensity within a low-luminance range equal to or lower than a predetermined level of luminance.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Kazuhiko Sako, Kazunari Tomizawa, Tsutomu Harada
  • Patent number: 11651719
    Abstract: An electronic device may include an electronic display panel having multiple display pixels for displaying an image based on analog voltage signals. The electronic device may also include interpolation circuitry to generate the analog voltage signals based on digital image data corresponding to the image. The interpolation circuitry may also receive analog reference voltages and interpolate between sets of the analog reference voltages to generate intermediate voltages, which may be a part of the analog voltage signals. Interpolating between the sets analog reference voltages may include performing a first level interpolation of a first set of the analog reference voltages to generate a first intermediate voltage and performing a second level interpolation of a second set of the analog reference voltages to generate a second intermediate voltage, wherein the first level interpolation is different from the second level interpolation.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: May 16, 2023
    Assignee: Apple Inc.
    Inventors: John T. Wetherell, Mahdi Farrokh Baroughi, Jaeyoung Kang, Shingo Hatanaka, Hasan Akyol, Hopil Bae
  • Patent number: 11651728
    Abstract: A pixel includes a light emitting element, a first transistor including a gate electrode electrically connected to a first node, a second transistor including a gate electrode connected to a first scan line, a third transistor including a gate electrode connected to the first scan line, a fourth transistor including a gate electrode connected to a second scan line, a fifth transistor including a gate electrode electrically connected to a third scan line, an sixth transistor including a gate electrode electrically connected to the third scan line, a resistor electrically connected in parallel with the sixth transistor between the second node and the anode of the light emitting element, and an amplifier having a non-inverting terminal and an inverting terminal electrically connected to ends of the resistor, respectively.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Ha Sohn, Se Hyuk Park, Hae Kwan Seo, Jin Wook Yang
  • Patent number: 11645990
    Abstract: A method for controlling a display panel includes: controlling polarities of data signals transmitted to pixel circuits in partial columns in a target display region to be inverted when a (KN?1)th frame is displayed; and controlling polarities of data signals transmitted to pixel circuits in other columns than the partial columns in the target display region to be inverted when a KNth frame is displayed.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: May 9, 2023
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiuqin Zhang, Lisheng Liang, Wenliang Liu, Ming Deng, Zhihua Sun, Ying Huang, Chengri Quan, Xiangyang Zheng
  • Patent number: 11630569
    Abstract: Internet of Things (“IoT”) appliances are gaining consumer traction, from smart thermostats to smart speakers. These devices generally have limited user interfaces, most often small buttons and touchscreens, or rely on voice control. Further, these devices know little about their surroundings—unaware of objects, people and activities around them. Consequently, interactions with these “smart” devices can be cumbersome and limited. The present invention presents an approach that enriches IoT experiences with rich touch and object sensing, offering a complementary input channel and increased contextual awareness. The present invention incorporates a range sensing technology into the computing devices, providing an expansive ad hoc plane of sensing just above the surface with which a device is associated. Additionally, the present invention can recognize and track a wide array of objects, including finger touches and hand gestures.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: April 18, 2023
    Assignee: CARNEGIE MELLON UNIVERSITY
    Inventors: Christopher Harrison, Gierad Laput
  • Patent number: 11626058
    Abstract: A display apparatus includes a display panel, a contrast analyzer, a contrast processor and a data driver. The display panel includes a plurality of sub display areas. The display panel is configured to display an image based on input image data. The contrast analyzer is configured to analyze the input image data in a time division method. The contrast processor is configured to adjust contrast of the input image data based on analysis result of the contrast analyzer. The data driver is configured to generate data voltages based on output data of the contrast processor. A number of contrast analysis cores of the contrast analyzer is determined according to a number of the sub display areas and a frame rate.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: April 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dale Yim, Nam-Gon Choi
  • Patent number: 11605338
    Abstract: A driving controller includes: a logo determiner configured to determine whether or not input image data includes a logo; a logo grayscale value calculator configured to calculate a logo grayscale value of a logo area corresponding to the logo in response to the input image data including the logo; a light emitting element life expectancy determiner configured to determine a life expectancy of a light emitting element corresponding to the logo area; a compensation reference grayscale value generator configured to determine a compensation reference grayscale value according to the life expectancy of the light emitting element corresponding to the logo area; and a logo luminance compensator configured to compare the logo grayscale value to the compensation reference grayscale value to determine whether or not to compensate a luminance of the logo area.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjin Choi, Wonjin Seo, Kihyun Pyun
  • Patent number: 11600226
    Abstract: A display device includes: a pixel; a scan driver configured to supply a scan signal to the pixel through a scan line; an emission driver configured to supply an emission control signal comprising a plurality of gate-on level signals to the pixel through an emission control line in one frame, the plurality of gate-on level signals for generating emission periods of the pixel; a data driver configured to supply a data signal to the pixel through a data line; and a controller configured to control a waveform of the emission control signal, wherein a length of a first emission period of the emission periods is longer than a length of another emission period of the emission periods.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jong Kwang Hwang
  • Patent number: 11600239
    Abstract: A method of controlling a display panel, a display panel, and a display device are disclosed. The display panel includes a display panel for image displays. The method of controlling the display panel includes obtaining a target grayscale area in the display area, and driving grayscales of the target grayscale area based on a desired voltage. The desired voltage is obtained by at least two times of adjustments according to historical display data of the target grayscale area. The present application is provided to improve display effects of the display panel.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: March 7, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Bo Hai
  • Patent number: 11586302
    Abstract: Provided in the present application are a pressable touch panel and an ultrasound imaging system. The pressable touch panel includes a touch assembly, an elastic member and a housing. The touch assembly includes a first surface for receiving a touch force, the elastic member is arranged below the touch assembly, and the housing is used to accommodate the elastic member, wherein the elastic member is confined by the housing to be in a compressed state to prevent liquid from passing through the elastic member.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: February 21, 2023
    Assignee: GE Precision Healthcare LLC
    Inventors: Fenggui Huang, Yalan Yang
  • Patent number: 11580923
    Abstract: A dynamic shading system is disclosed. The system comprises a screen and a control system. The screen comprises a plurality of light valves. Each light valve has an adjustable translucency so that the screen can present an image on one side of the screen. The control system is configured to determine what image is to be presented on the one side of the screen in dependence of light intensity incident on another side of the screen. the control system is further configured to control each light valve of the screen to have a translucency so that the plurality of the light valves forms the determined image on the one side of the screen.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: February 14, 2023
    Assignee: VIDEOWINDOW B.V.
    Inventor: Remco Veenbrink
  • Patent number: 11573651
    Abstract: An electronic device including an input sensing unit configured to sense an external input. The input sensing unit includes first electrodes including first patterns including normal patterns and notch patterns and first connection patterns connecting the first patterns, a second electrode, a first trace line connected to one of the normal patterns, and a connection trace line connected to at least two of the notch patterns.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-hwa Kim, Il-joo Kim, Duckjoong Kim, Kyungsu Lee
  • Patent number: 11573652
    Abstract: According to an aspect, a touch detection device includes: a plurality of drive electrodes arranged in parallel with each other; and a plurality of first touch detection electrodes arranged in parallel with each other and arranged at a portion not in contact with the drive electrodes and where the first touch detection electrode forms capacitance with a drive electrode to which a drive signal is output. The drive electrodes includes a drive electrode including a plurality of subdivided electrodes an arrangement pitch of which is finer than an arrangement pitch of the drive electrodes. The drive electrode including the subdivided electrodes is provided such that switching is enabled between a first mode in which the drive signal is collectively output to the subdivided electrodes of the drive electrode and a second mode in which the drive signal is individually output to each of the subdivided electrodes of the drive electrode.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: February 7, 2023
    Assignee: Japan Display Inc.
    Inventor: Koji Noguchi
  • Patent number: 11568811
    Abstract: An electroluminescence display apparatus includes a pixel array, including a plurality of pixels, a gate line connected to pixels adjacent thereto in a first direction in common, a data line connected to pixels adjacent thereto in a second direction intersecting with the first direction in common, and a first power line, a second power line, and an initialization voltage supply line connected to all of the plurality of pixels in common, and a panel driving circuit connected to the pixel array.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: January 31, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Beom Jin Kim, Bong Choon Kwak