Patents Examined by Matthew Yeung
  • Patent number: 11640783
    Abstract: A driving controller set includes a net power control setter, a data clamper, a data line, and a data driver. The net power control setter may determine a first scale factor for adjusting a grayscale value of (N+1)-th frame data based on a load of N-th frame data and a net power control reference value. N is an integer equal to or greater than two. The data clamper may determine a second scale factor for adjusting a grayscale value of the N-th frame data based on a load of (N?1)-th frame data and the N-th frame data. A data signal may be generated using the first scale factor and/or the second scale factor. The data line may include a conductive material. The data driver may convert the data signal into a data voltage and may output the data voltage to the data line.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: May 2, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kihyun Pyun, Wonjin Seo, Eunjin Choi
  • Patent number: 11640801
    Abstract: The present disclosure relates to a display apparatus, a display drive circuit and a driving method of an electronic paper display unit, which relates to the field of display technology. The display drive circuit includes a display control circuit, the display control circuit includes a capacitor unit, a radio frequency circuit, a voltage collection circuit, and a control circuit. The radio frequency circuit includes an induction circuit and a communication circuit. The induction circuit can charge the capacitor unit in response to a radio frequency signal of the terminal device. The collection circuit can collect the voltage of the capacitor unit. The control circuit can perform the transmission action when the voltage of the capacitor unit reaches an operating threshold voltage of the electronic paper display unit; turn off the voltage collection circuit and the communication circuit after the transmission action is completed.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: May 2, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kejun Hu, Jinlei Li, Xin Li
  • Patent number: 11640803
    Abstract: An electrophoretic medium comprises a fluid and first (B), second (Y), third (R) and fourth (W) particles dispersed in the fluid and having differing colors. The first (B) and third (R) particles bear charges of one polarity and the second (Y) and fourth (W) particles bear charges of the opposite polarity, The first particles (B) have a greater zeta potential than the third particles (R), and the second particles (Y) have a greater zeta potential than the fourth particles (W). One of the particles (W) is white, one of the non-white particles (B) is partially light-transmissive, and the remaining two non-white particles are light-reflective.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: May 2, 2023
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Craig Lin, Xiaolong Zheng
  • Patent number: 11632527
    Abstract: A projection display system comprises a light source configured to emit a light in response to a content data; an optical modulator configured to modulate the light; and a controller configured to adjust a light level of the projection display system based on the content data and a metadata relating to a future frame, thereby to reduce a perceptibility of a visual artifact.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: April 18, 2023
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Martin J. Richards, Barret Lippey, Juan P. Pertierra, Dzhakhangir V. Khaydarov, Duane Scott Dewald, Nathan Shawn Wainwright, Darren Hennigan, John David Jackson
  • Patent number: 11631389
    Abstract: An input device includes an operation panel member with an operation surface; a support member contacting a side face of the operation panel member to support the operation panel member, the side face being perpendicular to the operation surface of the operation panel member; and an actuator configured to vibrate the support member in a direction parallel to the operation surface. The support member contacts the operation panel member only at the side face, and the operation panel member vibrates in a direction parallel to the operation surface by transmission of a vibration of the support member from the side face to the operation panel member.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 18, 2023
    Assignee: ALPS ALPINE CO., LTD.
    Inventor: Shinichi Sagawai
  • Patent number: 11620957
    Abstract: A backlight drive system, a display device and a backlight drive board, relates to the field of display technology. The backlight drive system is used for the display device, the display device comprises a display screen (20) and a plurality of backlight units, the backlight drive system comprises: a control board (10) and a plurality of backlight drive boards (11) electrically connected to the control board (10), the plurality of backlight drive boards (11) are disposed at the edge of display screen (20), the plurality of backlight drive boards (11) electrically connected to the plurality of backlight units by a backlight drive cable (111); the control board (10) is configured to output enabling control signal and brightness adjustment signal to the plurality of backlight drive board (11), to control the plurality of backlight drive boards (11) to drive the plurality of backlight units, to achieve enabling control and brightness adjustment.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: April 4, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Enhui Guan, Zhimao Wang, Xiao Zhang
  • Patent number: 11615747
    Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light emitting control signal to control a magnitude of a driving current used for driving a light emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light emitting element; and the time control signal changes within a time period during which the light emitting control signal allows the driving current to be generated.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: March 28, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Han Yue, Can Zhang, Minghua Xuan, Ming Yang
  • Patent number: 11609641
    Abstract: A multi-state keyboard function row is provided. A plurality of representations can be formed on an insert of the multi-state keyboard function row. An assembly of the multi-state keyboard function row can be configured to cause either a first set of the representations or a second set of the representations to be visible to a user. A brightness of the representations may also be controlled based on a brightness of ambient light.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: March 21, 2023
    Assignee: Dell Products L.P.
    Inventors: Duck Soo Choi, Nicholas DiLoreto, Joseph McDonald, Jeff Reed, Mark Schwager, Myungkee Yoon
  • Patent number: 11599240
    Abstract: The disclosed method and device are directed to a communication device that receives, by a gesture capture region and/or a touch sensitive display, a gesture while a first touch sensitive display is displaying a first displayed image and a second touch sensitive display is displaying a second displayed image and, in response, ceasing to display the first displayed image on the first touch sensitive display and commencing to display the first displayed image on the second touch sensitive display and ceasing to display a second displayed image on the second touch sensitive display and commencing to display the second displayed image on the first touch sensitive display.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 7, 2023
    Assignee: Z124
    Inventor: Rodney W. Schrock
  • Patent number: 11587517
    Abstract: An electronic apparatus is provided, which includes a memory storing an input image, a backlight unit, a driver configured to output a driving current to the backlight unit, and a processor configured to identify a time interval at which current is applied among a plurality of time intervals based on a value of a plurality of first bits among a plurality of bits representing a gray level value of the input image, and control the driver to change a magnitude of a current of a time interval among the plurality of time intervals based on at least one second bit which is the rest of the plurality of bits excluding the plurality of first bits, and a number of the plurality of time intervals is determined based on the number of the plurality of first bits.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: February 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Minhoon Lee
  • Patent number: 11586289
    Abstract: Provided is an information output apparatus including one or more information output units, wherein each information output unit includes a coil arranged to be connected to a power source, such that a current flows in the coil; a base unit configured to accommodate the coil; and a driving indicator, which is arranged in the base unit to be apart from and close to the coil to be driven by a current flowing in the coil and is configured to move in a first direction toward the coil and a direction opposite thereto to rotate while being connected to the base unit and to move in a second direction crossing the first direction to be recognized by a user.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: February 21, 2023
    Assignee: DOT INCORPORATION
    Inventors: Dong Soo Kwon, Han Byeol Kim, Dong Bum Pyo, Se Min Ryu, Byoung Kil Han, Joon Yeong Kim, Ju Yoon Kim, Ji Ho Kim, Hyeon Cheol Park
  • Patent number: 11584229
    Abstract: A display control apparatus includes: an acquisition part that acquires usage situation information of a battery which stores electric power for traveling of a vehicle; an evaluation part that evaluates a state change amount of the battery based on the usage situation information acquired by the acquisition part; a specifying part that specifies one or more factors of a state change of the battery based on the usage situation information acquired by the acquisition part; and a display control part that allows a display part to display a first image indicating a ratio at which a factor of the state change contributes to the state change amount for each factor of the state change.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 21, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Shuichi Kazuno
  • Patent number: 11580894
    Abstract: The present application discloses a driving method for a display panel, a driving device thereof and a display device. The driving method includes: performing square wave conversion on drive data received by each channel to obtain data line signals, where square wave signals generated by the conversion of different gray scales in the corresponding drive data have an identical high level, and the time of low level output is different.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: February 14, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Dongsheng Guo
  • Patent number: 11573641
    Abstract: A method of executing a gesture command includes identifying a hand centroid of a hand. The method also includes identifying a first finger tip of a first finger on the hand. The method further includes identifying a thumb tip of a thumb on the hand. Moreover, the method includes determining a surface normal relationship between the hand centroid, the first finger tip, and the thumb tip.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 7, 2023
    Assignee: Magic Leap, Inc.
    Inventors: Denver Halbert Dash, Emre Tanirgan
  • Patent number: 11568813
    Abstract: Embodiments relate to a pixel circuit of a display with a pixel level burn-in compensation. The pixel circuit includes a light-emitting diode (LED), a first driving transistor between a voltage source and the LED, an enable transistor coupled to a gate electrode of the first driving transistor, and a second driving transistor connected between the voltage source and the LED. The first driving transistor provides first current from the voltage source to the LED according to a gate voltage of the first driving transistor. The enable transistor turns on responsive to a voltage level at an anode of the LED increasing to a threshold voltage level. The second driving transistor provides second current from the voltage source to the LED according to a version of the gate voltage of the first driving transistor received at a gate electrode of the second driving transistor via the enable transistor.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: January 31, 2023
    Assignee: Meta Platforms Technologies, LLC
    Inventors: Jeong-Keun Ahn, Zhiming Zhuang, Min Hyuk Choi
  • Patent number: 11557260
    Abstract: A method for driving electro-optic displays so as to reduce visible artifacts are described. Such methods include driving extra pixels where the boundary between a driven and undriven area would otherwise lead to artifact by providing paired sets of driving instructions, allowing the undriven area to be driven while maintain the desired (undriven) optical state.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: January 17, 2023
    Assignee: E Ink Corporation
    Inventors: Kenneth R. Crounse, Yuval Ben-Dov, Stephen J. Telfer, Jaya Kumar
  • Patent number: 11545066
    Abstract: The present application discloses a driving method for a display panel, a driving device thereof and a display device. The driving method includes: performing square wave conversion on drive data received by each channel to obtain data line signals, where square wave signals generated by the conversion of different gray scales in the corresponding drive data have an identical high level, and the time of low level output is different.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: January 3, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Dongsheng Guo
  • Patent number: 11545975
    Abstract: This application relates to a mechanical button apparatus that includes a body where an upper portion thereof is closed and a lower portion thereof is opened and a bottom plate attached on a display screen of a display apparatus to cover the opened lower portion. The body includes an aperture member including a wing set expanded or contracted in a rotation direction of the body. The body also includes a photovoltaic (PV) cell array substrate including a PV cell configured to generate power for charging a battery and an optical sensor configured to convert light signals, reflected by the expanded or contracted wing set, into electrical signals. The body further includes a circuit substrate configured to operate with the power charged into the battery, calculate number of rotation manipulations of the body by using the electrical signals, and transmit the calculated number of rotation manipulations to the display apparatus.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: January 3, 2023
    Assignee: Korea Electronics Technology Institute
    Inventors: Sang Yub Lee, Jae Kyu Lee
  • Patent number: 11539910
    Abstract: Provided are a display module control system, a display apparatus, a control method, a computer device and a medium. The display module control system includes a display module, a display controller driving the display module and a bridge unit connecting the display module and the display controller, wherein the display controller is configured to output a first video signal according to an external video source; the bridging unit is configured to determine whether the display controller is in normal operation state according to the first video signal received, output the first video signal to the display module to play the first video signal when the display controller is in normal operation state, and output a second video signal pre-stored to the display module to play the second video signal when the display controller is not in normal operation state.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: December 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Lihua Geng, Xitong Ma, Yanfu Li
  • Patent number: 11538391
    Abstract: The present application discloses a driving method for a display panel, a driving device thereof and a display device. The driving method includes: performing square wave conversion on drive data received by each channel to obtain data line signals, where square wave signals generated by the conversion of different gray scales in the corresponding drive data have an identical high level, and the time of low level output is different.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: December 27, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Dongsheng Guo