Patents by Inventor Haksun Kim

Haksun Kim 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: 11295697
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jahun Koo, Haksun Kim, Kyung-hun Lee
  • Patent number: 11295688
    Abstract: A display apparatus includes a display panel comprising a pixel which is connected to a gate line and a data line, a gate driver configured to generate a gate signal having a gate-on voltage and a gate-off voltage and to provide the gate line with the gate signal, and a gate controller configured to generate a clock signal having a duty ratio and to provide the gate driver with the clock signal, where a mean amplitude of the clock signal in a vertical blanking period of a frame cycle is smaller than the mean amplitude of the clock signal in an active period of the frame cycle.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jahun Koo, Haksun Kim, Kyung-Hun Lee
  • Publication number: 20210056926
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Inventors: Jahun KOO, Haksun KIM, Kyung-hun LEE
  • Patent number: 10832631
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: November 10, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jahun Koo, Haksun Kim, Kyung-hun Lee
  • Publication number: 20200312262
    Abstract: A display apparatus includes a display panel comprising a pixel which is connected to a gate line and a data line, a gate driver configured to generate a gate signal having a gate-on voltage and a gate-off voltage and to provide the gate line with the gate signal, and a gate controller configured to generate a clock signal having a duty ratio and to provide the gate driver with the clock signal, where a mean amplitude of the clock signal in a vertical blanking period of a frame cycle is smaller than the mean amplitude of the clock signal in an active period of the frame cycle.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Inventors: JAHUN KOO, HAKSUN KIM, KYUNG-HUN LEE
  • Patent number: 10685618
    Abstract: A display device includes a display panel which includes a plurality of gate lines and a plurality of pixels, where each of the pixels is connected to a corresponding gate line among the gate lines, and a gate driving circuit which includes a stage that applies a gate signal to at least one of the gate lines. The gate signal includes a high period in which the gate signal has a high voltage and a low period in which the gate signal has a low voltage having a level less than a level of the high voltage, and the low period includes a falling period in which the low voltage falls to a second level from a first level which is greater than the second level.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jahun Koo, Haksun Kim, Kyung-hun Lee, Ho Lee
  • Patent number: 10509575
    Abstract: A storage device includes a nonvolatile memory device, and a controller configured to control the nonvolatile memory device based on metadata. The controller encrypts the metadata and loads the encrypted metadata on a random access memory of an external host device.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seonghoon Woo, Haksun Kim, Taemin Jeong, Kyuwook Han, Soon Suk Hwang
  • Publication number: 20190340990
    Abstract: A display apparatus includes a display panel comprising a pixel which is connected to a gate line and a data line, a gate driver configured to generate a gate signal having a gate-on voltage and a gate-off voltage and to provide the gate line with the gate signal, and a gate controller configured to generate a clock signal having a duty ratio and to provide the gate driver with the clock signal, where a mean amplitude of the clock signal in a vertical blanking period of a frame cycle is smaller than the mean amplitude of the clock signal in an active period of the frame cycle.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Inventors: JAHUN KOO, Haksun Kim, Kyung-Hun Lee
  • Patent number: 10451942
    Abstract: A display device includes a first substrate, a plurality of pixels on the first substrate, a gate driver on the first substrate, the gate driver applying a gate signal, and a gate line connected to the gate driver and applying the gate signal to at least a pixel of the plurality of pixels where the plurality of pixels is disposed in a step-like shape in at least one corner of the first substrate, the gate driver comprises a plurality of stages in the at least one corner of the first substrate, and the plurality of stages is disposed in a step-like shape corresponding to the plurality of pixels.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungjun Yu, Younggoo Song, Haksun Kim
  • Publication number: 20190279596
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Inventors: Jahun KOO, Haksun KIM, Kyung-hun LEE
  • Patent number: 10395616
    Abstract: A display apparatus includes a display panel comprising a pixel which is connected to a gate line and a data line, a gate driver configured to generate a gate signal having a gate-on voltage and a gate-off voltage and to provide the gate line with the gate signal, and a gate controller configured to generate a clock signal having a duty ratio and to provide the gate driver with the clock signal, where a mean amplitude of the clock signal in a vertical blanking period of a frame cycle is smaller than the mean amplitude of the clock signal in an active period of the frame cycle.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jahun Koo, Haksun Kim, Kyung-Hun Lee
  • Patent number: 10359672
    Abstract: A display device includes: a first substrate; a first electrode disposed on the first substrate; a liquid crystal layer disposed on the first electrode; a polarizing plate disposed on the liquid crystal layer; a color conversion layer disposed on the polarizing plate and including a plurality of color conversion portions; and a second substrate disposed on the color conversion layer. The polarizing plate includes a polymer film, and a distance between the liquid crystal layer and the color conversion layer is in a range of about 5 ?m to about 50 ?m.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seonggyu Kwon, Sangil Kim, Wontae Kim, Haksun Kim, Namseok Roh, Jaecheol Park, Youyoung Jin
  • Patent number: 10332479
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Jahun Koo, Haksun Kim, Kyung-hun Lee
  • Patent number: 10307608
    Abstract: A pair of awareness glasses includes a frame, a light source, a driving unit, light guide lenses, and diffraction grating patterns. The light source unit is disposed in the frame. The light source unit is configured to generate light in response to input power. The driving unit is configured to supply the input power. The light guide lenses are configured to guide the light to the eyes of a user. The diffraction grating patterns are formed on surfaces of the light guide lenses. The diffraction grating patterns are configured to diffract and reflect the light to the eyes of the user. The light output from each of the diffraction grating patterns has a peak wavelength between 444 nm and 484 nm.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: June 4, 2019
    Assignee: Samsung Display Co., Ltd
    Inventors: Jongin Baek, Haksun Kim, WonSang Park, Mingyeong Jo
  • Patent number: 10082698
    Abstract: A display device includes a display panel, a reflection plate, and a light emitting diode light source, the display panel including a lower substrate including a lower base substrate, a liquid crystal layer disposed on the lower substrate, and a light source driving electrode disposed on a lower surface of the lower base substrate where the reflection plate is disposed under the display panel, and the light emitting diode light source is disposed on the lower surface of the lower base substrate, connected to the light source driving electrode, and emits a light to the reflection plate.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 25, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sungyong Kang, Haksun Kim, Taegil Kang
  • Publication number: 20180158432
    Abstract: A display device includes a display panel which includes a plurality of gate lines and a plurality of pixels, where each of the pixels is connected to a corresponding gate line among the gate lines, and a gate driving circuit which includes a stage that applies a gate signal to at least one of the gate lines. The gate signal includes a high period in which the gate signal has a high voltage and a low period in which the gate signal has a low voltage having a level less than a level of the high voltage, and the low period includes a falling period in which the low voltage falls to a second level from a first level which is greater than the second level.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 7, 2018
    Inventors: Jahun KOO, Haksun KIM, Kyung-hun LEE, Ho LEE
  • Publication number: 20180157077
    Abstract: A display device includes: a first substrate; a first electrode disposed on the first substrate; a liquid crystal layer disposed on the first electrode; a polarizing plate disposed on the liquid crystal layer; a color conversion layer disposed on the polarizing plate and including a plurality of color conversion portions; and a second substrate disposed on the color conversion layer. The polarizing plate includes a polymer film, and a distance between the liquid crystal layer and the color conversion layer is in a range of about 5 ?m to about 50 ?m.
    Type: Application
    Filed: November 28, 2017
    Publication date: June 7, 2018
    Inventors: Seonggyu KWON, Sangil KIM, Wontae KIM, Haksun KIM, Namseok ROH, Jaecheol PARK, Youyoung JIN
  • Publication number: 20180151149
    Abstract: A display device includes a display panel which includes pixels arranged in a matrix form and a controller which receives a first image signal corresponding to a first active period of a first frame, outputs a first final output signal corresponding to a first conversion active period of the first frame, and drives the display panel based on the first final image signal. The controller includes a timing changing unit which receives the first image signal and changes a first image signal pixel size corresponding to the first image signal to a panel pixel size corresponding to the display panel to generate the first output signal, and a frequency changing unit which receives the first output signal from the timing changing unit and reduces a frame frequency of the first output signal based on the first image signal to output the first final output signal.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 31, 2018
    Inventors: Jahun KOO, Haksun KIM, Kyung-hun LEE
  • Publication number: 20170357043
    Abstract: A display device includes lower and upper substrates facing each other, a light source which emits a light toward a side surface of the lower substrate, and an optical medium layer between the lower and upper substrate and through which the light transmits to generate an image. The lower substrate includes a first substrate within which the light travels from the side surface of the lower substrate to exit from an upper surface of the first substrate, and light exit patterns on the upper surface. The first substrate includes an incident surface to which the light emitted from the light source is incident. Each of the light exit patterns is in contact with the upper surface of the first substrate and respectively defines a first space between the light exit pattern and the upper surface of the first substrate, the first space being filled with air.
    Type: Application
    Filed: May 10, 2017
    Publication date: December 14, 2017
    Inventors: Sungyong KANG, Haksun KIM, Taegil KANG
  • Publication number: 20170312541
    Abstract: A pair of awareness glasses includes a frame, a light source, a driving unit, light guide lenses, and diffraction grating patterns. The light source unit is disposed in the frame. The light source unit is configured to generate light in response to input power. The driving unit is configured to supply the input power. The light guide lenses are configured to guide the light to the eyes of a user. The diffraction grating patterns are formed on surfaces of the light guide lenses. The diffraction grating patterns are configured to diffract and reflect the light to the eyes of the user. The light output from each of the diffraction grating patterns has a peak wavelength between 444 nm and 484 nm.
    Type: Application
    Filed: July 20, 2017
    Publication date: November 2, 2017
    Inventors: Jongin BAEK, Haksun KIM, WonSang PARK, Mingyeong JO