Patents by Inventor Jeong-il Kang

Jeong-il Kang 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).

  • Patent number: 10433443
    Abstract: A display apparatus is provided. The display apparatus is supplied with electrical power through an electrode panel that includes electrodes and a plate that has at least one transparency. The display apparatus is supplied with an external power through an electrode unit configured to be combined with a rear cover of the display apparatus and have a transparency.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Publication number: 20190228718
    Abstract: A display apparatus is provided. The display apparatus includes: a display panel; a backlight unit configured to provide light to the display panel; a signal processor configured to obtain a PWM signal corresponding to a grayscale of an input image; and a driver including a switching element, the driver being configured to control a current applied to the backlight unit by alternately turning the switching element on/off during a section in which the PWM signal provided from the signal processor is in an on-state, and the driver is configured to, based on the grayscale of the input image being greater than or equal to a threshold value, alternately turn the switching element on/off based on a first period, and, based on the grayscale of the input image being less than the threshold value, to alternately turn the switching element on-off based on a second period shorter than the first period.
    Type: Application
    Filed: July 26, 2018
    Publication date: July 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-hoon LEE, Jeong-il KANG
  • Patent number: 10340105
    Abstract: A power supply apparatus is disclosed. The power supply apparatus to supply power to an electronic apparatus includes a first relay and a second relay which are turned on and off to control power supply with respect to the electronic apparatus, and a processor configured to control a switching operation of the first relay and the second relay based on at least one of a connection detection signal indicating connection of the power supply apparatus and the electronic apparatus, and a power on/off signal indicating a power on/off command with respect to the electronic apparatus.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 10276106
    Abstract: A display device is provided, which includes a panel configured to display an image using an LED backlight configured to emit light incident on the panel, an image signal interface configured to provide an image signal to the panel, and a power supply including an LED driver configured to generate constant current, wherein the LED driver is detachable from the power supply.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-hoon Lee, Jeong-il Kang
  • Patent number: 10229783
    Abstract: An inductor and an electronic device including the same are provided. The inductor includes: a coil in which an electric current flows; and a core that the coil is wound around, wherein the core includes a central portion that the coil is wound around; extensions extending from opposite edges of the central portions; and lateral portions extending from the extensions along the circulation path of the magnetic flux and facing the central portion with the coil disposed there between, and a first height at a first position of the extension portions on the circulation path of the magnetic flux spaced away from the edges of the central portion by a first distance which is larger than a second height at a second position on the circulation path of the magnetic spaced away from the edges of the central portion by a second distance which is longer than the first distance.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 10217921
    Abstract: A display apparatus is provided. The display apparatus includes a display panel, a chassis configured to support the display panel, a backlight unit configured to be installed on the chassis, and an electricity generator configured to use the backlight unit as a heat source to generate electricity. The electricity generator includes a heat transfer unit which contacts the backlight unit, at least one heat storage unit which contacts the heat transfer unit, and at least one thermoelectric device comprising a heat generator and a heat absorber contacting the heat transfer unit. The at least one thermoelectric device absorbs heat, which is generated from the backlight unit, through the heat transfer unit in response to the backlight unit being driven and absorbs heat from the at least one heat storage unit through the heat transfer unit in response to the backlight unit not being driven.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Su-hwan Jin, Hyun-taek Na, Dae-hyun Nam, Dae-yeon Yun, Jeong-il Kang, Jin-hyun Cho
  • Patent number: 10182475
    Abstract: A light emitting diode driving circuit including a first LED array; a second LED array; an LED driving circuit configured to provide a constant current to the first LED array and/or the second LED array; a linear circuit configured to selectively provide a second current that is smaller than the constant current to the second LED array; and a driving controller configured to control the LED driving circuit and the linear circuit such that the constant current is selectively provided to the first LED array or the second LED array based on an operating mode, and such that the second current is provided to the second LED array only when the constant current is being provided to the first LED array.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: January 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 10176750
    Abstract: A display device is provided, which includes a light emitter including an LED array; a current detector configured to detect current that flows through the LED array; a driving circuit configured to provide constant current to the LED array; and a cable including a first line configured to provide the constant current that is provided from the driving circuit to the light emitter, and a second line configured to connect a node, to which the current detector and the driving circuit are commonly connected, and the driving circuit to each other.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 10170058
    Abstract: A display device and a method for driving the same are provided. The display device includes a light emitter comprising a plurality of light emitting elements connected in parallel to each other, and a driving circuit configured to change an operating state of a part of the plurality of light emitting elements based on temperature detection of switching elements respectively connected to the plurality of light emitting elements.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 10156891
    Abstract: A display apparatus, a power supply and a power control method thereof are provided. The display apparatus includes: a display configured to display an image; a power supply comprising: a voltage supplier configured to receive input voltage and supply operation voltage for the display; and a voltage selector configured to selectively supply the operation voltage according to a level of the input voltage; and a processor configured to output a configuration signal to activate or deactivate the voltage selector.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: December 18, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hoon Lee, Jeong Il Kang
  • Publication number: 20180323650
    Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a wireless power transmission module that wirelessly transmits power to a wireless power reception apparatus that is configured to supply power to a drive apparatus for an operation of an electronic apparatus, a first signal reception module that receives a control signal from a remote control apparatus, a first power supply module that supplies power to the first signal reception module, and a first control module configured to control the first power supply module. When the first signal reception module receives an off signal, the first control module controls the first power supply module such that power that is supplied to the wireless power transmission module is blocked.
    Type: Application
    Filed: May 1, 2018
    Publication date: November 8, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Wook CHOI, Jeong Il KANG, Du Hee JANG, Seong Hoon WOO
  • Patent number: 10109243
    Abstract: Disclosed is a display apparatus comprising: a signal receiver configured to receive an image signal; a signal processor configured to process the received image signal; a display comprising a display panel which displays an image based on the processed image signal, and a plurality of light emitting diode (LED) groups each of which comprises a plurality of LEDs connected in series and the LED groups being connected in parallel with each other to emit light for an image to be displayed on the panel in accordance with a driving current; a plurality of switches respectively provided in the LED groups and selectively cutting off flow of a driving current in each LED group; a voltage adjuster configured to apply a driving voltage to the plurality of LED groups; and a controller configured to control the plurality of switches so that the driving current can flow in the LED group to be driven among the plurality of LED groups, and to control the voltage adjuster so that the applied driving voltage can have a preset
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: October 23, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jeong-il Kang
  • Patent number: 10111352
    Abstract: A display unit and a display device are disclosed. The display unit includes a display panel configured to display a content thereon, a printed circuit board (PCB) configured to generate a drive signal for driving the display panel; and a chip-on-film in which a display driver integrated circuit (IC) is mounted, configured to electrically interconnect the display panel and the PCB. One side of the PCB includes an uneven part including a convex region and a concave region, and the PCB is bonded to the chip-on-film in the concave region. The display device includes the display unit and a stand.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Seok Ahn, Jeong Il Kang
  • Publication number: 20180270972
    Abstract: A display apparatus is provided. The display apparatus is supplied with electrical power through an electrode panel that includes electrodes and a plate that has at least one transparency. The display apparatus is supplied with an external power through an electrode unit configured to be combined with a rear cover of the display apparatus and have a transparency.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 20, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il KANG
  • Publication number: 20180270443
    Abstract: A convertible stand of a display apparatus is provided. In more detail, the convertible stand of the display apparatus supports a display body in a first state or a second state, the first state being a standing state and the second state being a wall-mounted state. In addition, the convertible stand of the display apparatus is coupled to a rear cover of a display body and supports the display body in the first state and the second state.
    Type: Application
    Filed: March 15, 2018
    Publication date: September 20, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il KANG
  • Publication number: 20180227537
    Abstract: A display device is provided, which includes a display main body, a support configured to support the display main body, and the support being made of a transparent material, and a stand coupled to a lower portion of the support, wherein the display main body is configured to receive a power supply through the stand and the support.
    Type: Application
    Filed: January 23, 2018
    Publication date: August 9, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-il KANG, Kwang-youn KIM, Seong-hoon WOO, Du-hee JANG, Hyun-young JANG, Shin-wook CHOI
  • Patent number: 10043437
    Abstract: A display device and a method for driving a backlight thereof are provided. The display device includes a signal generator configured to generate a first PWM (Pulse Width Modulation) signal and a second PWM signal, a low current driver configured to generate first output current using the first PWM signal, a high current driver configured to generate second output current using the second PWM signal, and a backlight configured to be driven by at least one of the first output current generated by the low current driver and the second output current generated by the high current driver. Accordingly, the display device can control the brightness of the backlight with an extended resolution which is higher than the resolution that can be output from the existing backlight.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang
  • Patent number: 9985474
    Abstract: Disclosed are a display apparatus and a power supplying method thereof. The display apparatus includes: a backlight driver configured to drive a backlight to emit light; a main power supply configured to detect connection of the backlight to the backlight driver and supply a voltage to the backlight driver in response to a control voltage; and a standby power supply configured to supply the control voltage to the main power supply, in response to determining the connection of the backlight to the backlight driver.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Hoon Lee, Jeong-il Kang
  • Patent number: 9888598
    Abstract: A connector apparatus a display apparatus including the connector are provided. The connector apparatus includes: a pair of connectors configured to be coupled to apparatuses; and a cable connecting the pair of connectors, wherein each connector of the pair of connectors includes a signal line part including a plurality of signal pins and a power line part including first and second terminals.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-yong Joo, Jeong-il Kang
  • Patent number: 9877362
    Abstract: A light emitting diode (LED) driver circuit is provided. The light emitting diode (LED) driver circuit includes an LED array; an LED driving circuit configured to provide a constant current to the LED array by a switching operation of a switch element; and a driving controller configured to control the switch element using a clock signal of a preset frequency so that the constant current corresponding to a dimming signal is provided to the LED array. The driving controller varies a frequency of the clock signal in response to a signal value indicating that the dimming signal is being transitioned.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: January 23, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeong-il Kang