Patents by Inventor Kye-hoon Lee

Kye-hoon Lee 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: 10578909
    Abstract: A display apparatus including a dichroic filter is provided. The display apparatus includes a display panel including a liquid crystal layer and a quantum dot color filter disposed on the liquid crystal layer; a light source configured to emit light; a light guide plate configured to guide the light emitted from the light source towards the display panel; and a dichroic filter provided on a first side the light guide plate that is opposite to a second side of the light guide plate on which the display panel is provided, the dichroic filter being configured to concentrate the light emitted from the light source.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon Lee
  • Patent number: 10553653
    Abstract: The display panel may include a light source which includes a red subpixel region, a green subpixel region, a blue subpixel region, and at least one white subpixel region; a red pixel electrode configured to supply a current to the red subpixel region; a green pixel electrode configured to supply the current to the green subpixel region; a blue pixel electrode configured to supply the current to the blue subpixel region; and at least one white pixel electrode disposed in at least one from among between the red pixel electrode and the green pixel electrode and between the green pixel electrode and the blue pixel electrode. The at least one white pixel electrode may be configured to supply the current to the at least one white subpixel region.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon Lee
  • Patent number: 10545375
    Abstract: A white light emitting device, including a circuit board; a plurality of light sources mounted on the circuit board, each light source of the plurality of light sources configured to emit monochromatic light; a light converter spaced apart from the circuit board, the light converter configured to convert the monochromatic light emitted from the light sources to white light; and a compensator provided between the circuit board and the light converter, the compensator configured to convert the emitted monochromatic light to white light.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Pil Jeon, Jong-hoi Kim, Kye Hoon Lee, Dae-hee Lee, Byoung-jin Cho, Suk-ju Choi
  • Patent number: 10444424
    Abstract: A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-Jin Cho, Dae-hee Lee, Kye Hoon Lee, Nae-Won Jang
  • Patent number: 10424623
    Abstract: Disclosed are a display panel and a display device. The display panel includes a quantum dot converter configured to convert light of a predetermined color emitted from a light source into light of a different color using a quantum dot unit and emit the converted light; and a light transmitter configured to transmit a part of the light of the predetermined color emitted from the light source and convert a remaining part of the light of the predetermined color into light of a different color and emit the converted light.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: September 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kye Hoon Lee
  • Patent number: 10393938
    Abstract: According to a display apparatus according to an embodiment of the present invention, it is possible to prevent a quantum dot unit provided in a backlight assembly from being damaged by heat generated from a light source. The display apparatus according to an embodiment of the present invention includes a display panel that displays an image, a light source that provides light from a rear side of the display panel, a light guide plate that is positioned on the rear side of the display panel and guides light emitted from the light source, and a quantum dot unit that is provided to be spaced apart from the light source and converts a wavelength of the light emitted from the light source.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae Won Jang, Kye Hoon Lee
  • Patent number: 10317740
    Abstract: A display panel and a display apparatus including the display panel are provided. The display panel includes: a light transmitter disposed on a first pixel electrode and a light converting unit disposed on a second pixel electrode. A portion of the light converting unit extends toward the light transmitter and covers a part of the first pixel electrode.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 11, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kye Hoon Lee, Sang Hyun Sohn
  • Publication number: 20190096960
    Abstract: The display panel may include a light source which includes a red subpixel region, a green subpixel region, a blue subpixel region, and at least one white subpixel region; a red pixel electrode configured to supply a current to the red subpixel region; a green pixel electrode configured to supply the current to the green subpixel region; a blue pixel electrode configured to supply the current to the blue subpixel region; and at least one white pixel electrode disposed in at least one from among between the red pixel electrode and the green pixel electrode and between the green pixel electrode and the blue pixel electrode. The at least one white pixel electrode may be configured to supply the current to the at least one white subpixel region.
    Type: Application
    Filed: September 21, 2018
    Publication date: March 28, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon LEE
  • Patent number: 10241257
    Abstract: A display apparatus includes: a display panel; a light guide plate disposed behind the display panel; a printed circuit board; a heat radiator disposed on the printed circuit board and configured to radiate heat; and a plurality of light source packages disposed on the printed circuit board and configured to supply light to the light guide plate, each light source package of the plurality of light source packages including: a light source configured to generate the light; a light converter configured to convert properties of the light generated by the light source, and a package housing in which the light source is installed, the package housing being disposed on the printed circuit board and in contact with the light converter to transfer heat from the light converter to the heat radiator.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Seok Ahn, Kye Hoon Lee
  • Publication number: 20190086608
    Abstract: A display apparatus includes: a display panel; and a backlight configured to supply light to the display panel, wherein the backlight includes a light source configured to emit light; and a light guide plate provided on a rear side of the display panel and configured to guide the light emitted by the light source toward to the display panel; and a plurality of optical sheets provided between the light guide plate and the display panel, an optical sheet of the plurality of optical sheets being attached to a front surface of the light guide plate.
    Type: Application
    Filed: September 14, 2018
    Publication date: March 21, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Mo YOO, Joon Seok AHN, Kye Hoon LEE
  • Publication number: 20190058013
    Abstract: The display panel includes a light emitting device, three quantum dot converters including quantum dot particles and converting light of a first color emitted from the light emitting device to light of a different color and emitting the light of the different color, a transmission part transmitting light of the first color emitted from the light emitting device, and a transparent substrate disposed on one side of the three quantum dot converters and the transmission part. One of the three quantum dot converters emits a white light to the transparent substrate.
    Type: Application
    Filed: August 17, 2018
    Publication date: February 21, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon LEE
  • Patent number: 10133119
    Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-min Lee, Kye-hoon Lee, Yong-hun Kwon, Jong-hoi Kim, Kun-ho Cho, Suk-ju Choi
  • Patent number: 10114247
    Abstract: A display panel and display device having the same are provided. The display panel includes a quantum dot color filter layer configured to convert a color of light; a transparent front substrate provided at a first side of the quantum dot color filter layer; and a low refractive layer provided between the quantum dot color filter layer and the front substrate, the low refractive layer having a refractive index that is lower than a refractive index of the quantum dot color filter layer.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: October 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon Lee
  • Patent number: 10078171
    Abstract: Disclosed herein are a back light unit including a quantum dot sheet capable of recycling light converted by quantum dots, and a display apparatus including the back light unit. The back light unit according to an example includes: a light source; and a quantum dot sheet configured to convert light generated in the light source into white light, wherein the quantum dot sheet includes a fluorescent member including quantum dots; a first barrier film disposed on the rear surface of the fluorescent member; and a second barrier film disposed on the front surface of the fluorescent member, and having a predetermined reflectivity to reflect the white light converted by the fluorescent member backward toward the fluorescent member.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kye Hoon Lee
  • Patent number: 10054733
    Abstract: Disclosed herein is a light emitting device package including a light emitting device configured to generate a first light; a body configured to accommodate the light emitting device and comprising a cavity in the body; an optical member configured to divide the cavity into a plurality of cavities including a first cavity and a second cavity; and first phosphor and second phosphor different from the first phosphor accommodated in the first and the second cavities, respectively.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: August 21, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kye Hoon Lee, Dae Kuen Yang, Nae-won Jang
  • Publication number: 20180172900
    Abstract: A display apparatus includes: a display panel; a light guide plate disposed behind the display panel; a printed circuit board; a heat radiator disposed on the printed circuit board and configured to radiate heat; and a plurality of light source packages disposed on the printed circuit board and configured to supply light to the light guide plate, each light source package of the plurality of light source packages including: a light source configured to generate the light; a light converter configured to convert properties of the light generated by the light source, and a package housing in which the light source is installed, the package housing being disposed on the printed circuit board and in contact with the light converter to transfer heat from the light converter to the heat radiator.
    Type: Application
    Filed: December 19, 2017
    Publication date: June 21, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Seok AHN, Kye Hoon LEE
  • Publication number: 20180156967
    Abstract: Disclosed is a display apparatus including a display panel, a light guiding plate disposed behind the display panel, a light source disposed to oppose a side of the light guiding plate, a dichroic filter disposed to cover a front side of a space between the light source and the side of the light guiding plate, and a black member disposed in front of the dichroic filter. Here, since light emitted forward from the light source toward the dichroic filter is generally absorbed by the black member or incident on the light guiding plate, the occurrence of bright parts caused by light leakage is suppressed.
    Type: Application
    Filed: November 3, 2017
    Publication date: June 7, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon LEE
  • Publication number: 20180156966
    Abstract: A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light.
    Type: Application
    Filed: January 19, 2018
    Publication date: June 7, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-Jin CHO, Dae-hee LEE, Kye Hoon LEE, Nae-Won JANG
  • Publication number: 20180149914
    Abstract: A display apparatus including a dichroic filter is provided. The display apparatus includes a display panel including a liquid crystal layer and a quantum dot color filter disposed on the liquid crystal layer; a light source configured to emit light; a light guide plate configured to guide the light emitted from the light source towards the display panel; and a dichroic filter provided on a first side the light guide plate that is opposite to a second side of the light guide plate on which the display panel is provided, the dichroic filter being configured to concentrate the light emitted from the light source.
    Type: Application
    Filed: September 22, 2017
    Publication date: May 31, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kye Hoon LEE
  • Publication number: 20180113341
    Abstract: A display panel and a display apparatus including the display panel are provided. The display panel includes: a light transmitter disposed on a first pixel electrode and a light converting unit disposed on a second pixel electrode. A portion of the light converting unit extends toward the light transmitter and covers a part of the first pixel electrode.
    Type: Application
    Filed: September 22, 2017
    Publication date: April 26, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kye Hoon LEE, Sang Hyun SOHN