Patents by Inventor Jong-gu Jeon

Jong-gu Jeon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250124872
    Abstract: A pixel module comprises a scan driver to output first signals, a data driver to output second signals, and a plurality of pixel circuits for driving an LED with PWM signals. Each pixel circuit comprises a first memory configured to store image data to drive the light-emitting diode, a second memory configured to store charging control data indicating charging timings or a number of charging times of a capacitor, and a PWM pixel driver comprising the capacitor configured to be chargeable when a supply of a bias voltage is turned on based on the charging control data, a charge controller configured to output a charging control signal according to the charging control data, and a PWM control element configured to control a power supply to the light-emitting diode, wherein the second signals transmit the image data to the first memory and the charging control data to the second memory.
    Type: Application
    Filed: November 8, 2024
    Publication date: April 17, 2025
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Ji Han KIM, Jin Woong JANG, Ji Haeng LEE, Dae Young JUNG, Jong Gu JEON
  • Publication number: 20250054425
    Abstract: Provided are a driving circuit board having an inspection function, a display apparatus including a driving circuit board having an inspection function, and a method of controlling inspection of a driving circuit board having an inspection function. The driving circuit board includes a driving circuit array including a plurality of driving circuits and at least one processor configured to control inspection on the plurality of driving circuits in an inspection mode, in which the at least one processor is further configured to divide the driving circuit array into one or more blocks, control first inspection to inspect an operation of the plurality of driving circuits in units of the one or more blocks, select an additional inspection driving circuit, based on a result of the first inspection, and control second inspection to inspect an operation of the additional inspection driving circuit.
    Type: Application
    Filed: July 30, 2024
    Publication date: February 13, 2025
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: In Young CHO, Dae Young JUNG, Hyun Tae JUNG, Jong Gu JEON
  • Patent number: 12183269
    Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: December 31, 2024
    Assignee: SAPIEN Semiconductors Inc.
    Inventors: Ji Haeng Lee, Jin Woong Jang, Ji Han Kim, Dae Young Jung, Jong Gu Jeon, Do Kyung Kim
  • Patent number: 12175937
    Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.
    Type: Grant
    Filed: October 16, 2023
    Date of Patent: December 24, 2024
    Assignee: SAPIEN Semiconductors Inc.
    Inventors: Ji Han Kim, Jin Woong Jang, Ji Haeng Lee, Dae Young Jung, Jong Gu Jeon
  • Patent number: 12136385
    Abstract: A pixel driving circuit includes a memory unit including a data memory and a register and storing data related to driving of a luminous element, a driver supplying electrical power to the luminous element based on data stored in the memory unit, and a reset unit controlling reset of the memory unit, wherein the reset unit generates a first reset signal for controlling reset of the data memory and a second reset signal for controlling reset of the register.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: November 5, 2024
    Assignee: SAPIEN Semiconductors Inc.
    Inventors: Ji Han Kim, Sung Ho Hwang, Ji Haeng Lee, Dae Young Jung, Jong Gu Jeon
  • Patent number: 12125432
    Abstract: Disclosed is a digital display system based on a common interface. More particularly, a cluster pixel circuit includes a row terminal connected to a row line for receiving PWM (Pulse Width Modulation) clock signal; a column terminal connected to a column line for receiving N-bit data; a first individual pixel driver for driving a first pixel in the cluster pixel; and a second individual pixel driver connected to the first individual pixel driver and for driving a second pixel in the cluster pixel.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: October 22, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Dae Young Jung, Geun Taek Lee, Hyun Tae Jung, Jong Gu Jeon, Myunghee Lee
  • Patent number: 12073768
    Abstract: A display driving apparatus transmitting data to each of a plurality of display driver integrated circuits (ICs) through a mobile industry processor interface (MIPI) using a point-to-multipoint (multi-drop) manner and a data transmission method thereof, the method may obtain display data and command data, transmit the display data and the command data to each of a plurality of display driver ICs through a MIPI using a point-to-multipoint (multi-drop) manner, and independently control sub-pixels corresponding to each of the plurality of display driver ICs based on the display data and the command data.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: August 27, 2024
    Assignee: Sapien Semiconductors Inc.
    Inventors: Do Kyung Kim, Hyun Tae Jung, Jong Gu Jeon, Dae Young Jung
  • Publication number: 20240054944
    Abstract: A pixel driving circuit includes a memory unit including a data memory and a register and storing data related to driving of a luminous element, a driver supplying electrical power to the luminous element based on data stored in the memory unit, and a reset unit controlling reset of the memory unit, wherein the reset unit generates a first reset signal for controlling reset of the data memory and a second reset signal for controlling reset of the register.
    Type: Application
    Filed: July 14, 2023
    Publication date: February 15, 2024
    Applicant: Sapien Semiconductor Inc.
    Inventors: Ji Han KIM, Sung Ho HWANG, Ji Haeng LEE, Dae Young JUNG, Jong Gu JEON
  • Publication number: 20240054947
    Abstract: Disclosed is a digital display system based on a common interface. More particularly, a cluster pixel circuit includes a row terminal connected to a row line for receiving PWM (Pulse Width Modulation) clock signal; a column terminal connected to a column line for receiving N-bit data; a first individual pixel driver for driving a first pixel in the cluster pixel; and a second individual pixel driver connected to the first individual pixel driver and for driving a second pixel in the cluster pixel.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Dae Young JUNG, Geun Taek LEE, Hyun Tae JUNG, Jong Gu JEON, Myunghee LEE
  • Publication number: 20240038138
    Abstract: A display driving apparatus transmitting data to each of a plurality of display driver integrated circuits (ICs) through a mobile industry processor interface (MIPI) using a point-to-multipoint (multi-drop) manner and a data transmission method thereof, the method may obtain display data and command data, transmit the display data and the command data to each of a plurality of display driver ICs through a MIPI using a point-to-multipoint (multi-drop) manner, and independently control sub-pixels corresponding to each of the plurality of display driver ICs based on the display data and the command data.
    Type: Application
    Filed: July 10, 2023
    Publication date: February 1, 2024
    Applicant: Sapien Semiconductors Inc.
    Inventors: Do Kyung KIM, Hyun Tae Jung, Jong Gu Jeon, Dae Young Jung
  • Publication number: 20240038173
    Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 1, 2024
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Ji Han KIM, Jin Woong Jang, Ji Haeng Lee, Dae Young Jung, Jong Gu Jeon
  • Publication number: 20230386400
    Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Ji Haeng LEE, Jin Woong JANG, Ji Han KIM, Dae Young JUNG, Jong Gu JEON, Do Kyung KIM
  • Patent number: 11776462
    Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: October 3, 2023
    Assignee: SAPIEN SEMICONDUCTORS INC.
    Inventors: Ji Haeng Lee, Jin Woong Jang, Ji Han Kim, Dae Young Jung, Jong Gu Jeon, Do Kyung Kim
  • Publication number: 20230290304
    Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 14, 2023
    Applicant: Sapien Semiconductors Inc.
    Inventors: Ji Han Kim, Jin Woong Jang, Ji Haeng Lee, Dae Young Jung, Jong Gu Jeon
  • Publication number: 20220415245
    Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.
    Type: Application
    Filed: March 22, 2022
    Publication date: December 29, 2022
    Applicant: SAPIEN SEMICONDUCTORS INC.
    Inventors: Ji Haeng LEE, Jin Woong JANG, Ji Han KIM, Dae Young JUNG, Jong Gu JEON, Do Kyung KIM
  • Patent number: 10636167
    Abstract: A method and device for determining a distance are provided. The method includes determining a first binocular distance between two eyes of a user by using a first image captured through a camera of the device, determining a second binocular distance between the two eyes of the user by using a second image captured through the camera, determining a distance from the camera to the two eyes of the user based on the first binocular distance and the second binocular distance, and providing an image to a display of the device, the image converted according to the distance from the camera to the two eyes of the user.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: April 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-myong Kang, Yoon-suk Lee, Jong-woo Lee, Jong-gu Jeon
  • Publication number: 20180137648
    Abstract: A method and device for determining a distance are provided. The method includes determining a first binocular distance between two eyes of a user by using a first image captured through a camera of the device, determining a second binocular distance between the two eyes of the user by using a second image captured through the camera, determining a distance from the camera to the two eyes of the user based on the first binocular distance and the second binocular distance, and providing an image to a display of the device, the image converted according to the distance from the camera to the two eyes of the user.
    Type: Application
    Filed: August 9, 2017
    Publication date: May 17, 2018
    Inventors: Seok-myong KANG, Yoon-suk LEE, Jong-woo LEE, Jong-gu JEON
  • Publication number: 20140180968
    Abstract: Provided is a method and apparatus for managing energy consumption in a home network system including multiple home devices. The method includes collecting measurement results of power consumptions of the respective multiple home devices, generating power consumption information of the multiple home devices by analyzing the collected measurement results, and transmitting the generated power consumption information to a user device if receiving a request for transmitting the power consumption information from the user device, in which the power consumption information comprises in-home room-specific power consumption information.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 26, 2014
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Kwan-Woo SONG, Ji-Hyeon KWEON, Hyun-Suk MIN, Jong-Gu JEON
  • Patent number: D730350
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wook-Hyoung Lee, Dong-Ho Shin, Bong-Hee Park, Jae-Won Choi, Soon-Jae Gwon, Jong-Gu Jeon, Mi-Ran Han, Jung-Ro Seo
  • Patent number: D730351
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wook-Hyoung Lee, Dong-Ho Shin, Jung-Ro Seo, Jong-Gu Jeon, Soon-Jae Gwon, Jae-Won Choi, Mi-Ran Han, Bong-Hee Park