Patents by Inventor Moonjung BAEK

Moonjung BAEK 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: 20220052296
    Abstract: A display apparatus includes: a top substrate over a bottom substrate and including a first region; a second-color color filter layer on a bottom surface of the top substrate and having a 2-1st opening exposing the first region; a first-color color filter layer including a portion in the 2-1st opening and a portion on a bottom surface of the second-color color filter layer; a bank between the first-color and the second-color color filter layers and the bottom substrate, the bank having a first opening corresponding to the first region, the first opening including a 1-1st portion overlapping the 2-1st opening and a 1-2nd portion outside the 2-1st opening; a first-color quantum dot layer in the first opening; and a first reflective layer on an inner surface of the first opening and a portion of a top surface of the first-color quantum dot layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: February 17, 2022
    Inventors: Hyunwoo NOH, Keunyoung PARK, Haeil PARK, Moonjung BAEK, Kwangkeun LEE, Junhan LEE, Suji HAN
  • Publication number: 20220052120
    Abstract: Disclosed is a color conversion panel which may include a first pixel area, a second pixel area, a third pixel area, and a non-pixel area positioned between the first pixel area, the second pixel area, and the third pixel area; a substrate; a light blocking layer in a non-pixel area on a substrate, a color filter layer including a first color filter, a second color filter, and a third color filter; a color conversion layer including a first color conversion pattern on the first color filter, a second color conversion pattern on the second color filter, and a light transmission pattern on third color filter; a transmission bank between the first color conversion pattern, the second color conversion pattern, and the light transmission pattern; an opening in the transmission bank; and a reflection bank in the opening of the transmission bank.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 17, 2022
    Inventors: KEUNYOUNG PARK, HYUNWOO NOH, HAEIL PARK, MOONJUNG BAEK, KWANGKEUN LEE, JUNHAN LEE, SUJI HAN
  • Publication number: 20210335893
    Abstract: A display apparatus including a light emitting device layer emitting a first light having a peak wavelength of 500 nm or less, a color control layer disposed on the light emitting device layer, the color control layer including an emitting element converting the first light, a color filter layer disposed on the color control layer, and an absorptive scattering element provided in or on the color control layer. The absorptive scattering element may include a light absorbing portion, in which absorptivity of a green or red light is greater than absorptivity of the first light. Accordingly, reflectance of the display apparatus to an external light may be reduced.
    Type: Application
    Filed: January 27, 2021
    Publication date: October 28, 2021
    Inventors: MOONJUNG BAEK, HYUNWOO NOH, KEUNYOUNG PARK, HAEIL PARK, KWANGKEUN LEE, JUNHAN LEE, SUJI HAN
  • Patent number: 11036087
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: June 15, 2021
    Inventors: Kwangkeun Lee, Youngmin Kim, Haeil Park, Moonjung Baek, Seon-tae Yoon, Kunhee Jo
  • Publication number: 20210116752
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Application
    Filed: December 3, 2020
    Publication date: April 22, 2021
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Patent number: 10928678
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: February 23, 2021
    Inventors: Kwangkeun Lee, Youngmin Kim, Haeil Park, Moonjung Baek, Seon-tae Yoon, Kunhee Jo
  • Patent number: 10866457
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: December 15, 2020
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20200363575
    Abstract: A display panel includes: a light emitting device to generate light; a plurality of color conversion patterns including: a first color conversion pattern including first scattering particles dispersed in the first color conversion pattern and configured to scatter the light of the light emitting device; and a second color conversion pattern including second scattering particles dispersed in the second color conversion pattern and configured to scatter the light of the light emitting device; a plurality of color filters including: a first color filter overlapping the first color conversion pattern; and a second color filter overlapping the second color conversion pattern; and a single, low index of refraction layer substantially continuously extending in the surface direction to overlap the first and the second color conversion patterns. The single, low index of refraction layer has a refractive index lower than refractive indexes of the first and second color conversion patterns.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 19, 2020
    Inventors: Moonjung BAEK, Seon-Tae YOON, Junghyun KWON, Youngmin KIM, Haeil PARK
  • Publication number: 20200292887
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Inventors: Kwangkeun Lee, Youngmin Kim, Haeil Park, Moonjung Baek, Seon-tae Yoon, Kunhee Jo
  • Patent number: 10739502
    Abstract: A photoluminescence device for an image generating device includes a color conversion pattern, a color filter, and a low index of refraction layer. The color conversion pattern has a first refractive index and is configured to convert light transmitted from the image generating device from one wavelength to another. The color filter is configured to selectively pass light of a given range of wavelengths transmitted through the color conversion pattern. The low index of refraction layer has a second refractive index and is disposed between the color conversion pattern and the color filter. The second refractive index is lower than the first refractive index.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moonjung Baek, Seon-Tae Yoon, Junghyun Kwon, Youngmin Kim, Haeil Park
  • Publication number: 20190243188
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20190171067
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 6, 2019
    Inventors: Kwangkeun LEE, Youngmin KIM, Haeil PARK, Moonjung BAEK, Seon-tae YOON, Kunhee JO
  • Patent number: 10281767
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20180292711
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Application
    Filed: November 27, 2017
    Publication date: October 11, 2018
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20180156951
    Abstract: A photoluminescence device for an image generating device includes a color conversion pattern, a color filter, and a low index of refraction layer. The color conversion pattern has a first refractive index and is configured to convert light transmitted from the image generating device from one wavelength to another. The color filter is configured to selectively pass light of a given range of wavelengths transmitted through the color conversion pattern. The low index of refraction layer has a second refractive index and is disposed between the color conversion pattern and the color filter. The second refractive index is lower than the first refractive index.
    Type: Application
    Filed: June 20, 2017
    Publication date: June 7, 2018
    Inventors: Moonjung BAEK, Seon-Tae Yoon, Junghyun Kwon, Youngmin Kim, Haeil Park
  • Patent number: 9575326
    Abstract: An image display apparatus includes a display panel displaying an image, and a switching panel operated in a two-dimensional or three-dimensional mode. A viewer perceives the image of the display panel as a two-dimensional or three-dimensional image depending on the mode of the switching panel. The switching panel may include first and second substrates facing each other, a first electrode layer provided on the first substrate, a second electrode layer provided on the second substrate, and a liquid crystal layer interposed between the first and second substrates. One of the first and second electrode layers may include first and second electrodes provided on a specific plane, and two opposite inner sides of the first and second electrodes may be configured in such a way that lines extending therefrom converge on at least one first position.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyungho Jung, Moonjung Baek
  • Patent number: 9300948
    Abstract: A 3D image display apparatus includes a light modulator configured to modulate an image light, a difference map generator configured to obtain an absolute value of a difference between a variation value of a left 2D image and a variation value of a right 2D image, an image processor configured to generate 3D image display position information using the absolute value, a light modulator controller configured to partially activate the light modulator in response to the 3D image display position information, an image generator for generating an interlaced image using the left and right 2D images, and an image display device for displaying the interlaced image. The activated area of the light modulator corresponds to an area of the displayed interlaced image, so that the light modulator modulates light provided from the displayed interlaced image, and does not modulate light provided from a remainder of the image.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Hyun Cho, Seongmo Hwang, Moonjung Baek, Il Ho Lee, Moongyu Lee, Jaejin Pyun
  • Patent number: 9086761
    Abstract: A display apparatus includes a display panel that displays an image using a first light, a light guide part positioned at a front side of the display panel, a backlight unit, an image information collecting part, and a processing part. The light guide part emits a second light different from the first light and guide the second light, and the backlight unit is positioned at a rear side of the display panel to provide the first light to the display panel. The image information collecting part photographs the light emitted from the light guide part to output image information. The processing part processes the image information to generate a coordinate value of a position at which an object provided on the light guide plate is positioned.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: July 21, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Hyeonyong Jang, Seongmo Hwang, Jaejin Pyun, Yong-Hwi Kim, Moonjung Baek
  • Publication number: 20150124184
    Abstract: An image display apparatus includes a display panel displaying an image, and a switching panel operated in a two-dimensional or three-dimensional mode. A viewer perceives the image of the display panel as a two-dimensional or three-dimensional image depending on the mode of the switching panel. The switching panel may include first and second substrates facing each other, a first electrode layer provided on the first substrate, a second electrode layer provided on the second substrate, and a liquid crystal layer interposed between the first and second substrates. One of the first and second electrode layers may include first and second electrodes provided on a specific plane, and two opposite inner sides of the first and second electrodes may be configured in such a way that lines extending therefrom converge on at least one first position.
    Type: Application
    Filed: August 12, 2014
    Publication date: May 7, 2015
    Inventors: KYUNGHO JUNG, Moonjung Baek
  • Publication number: 20130141423
    Abstract: A 3D image display apparatus includes a light modulator configured to modulate an image light, a difference map generator configured to obtain an absolute value of a difference between a variation value of a left 2D image and a variation value of a right 2D image, an image processor configured to generate 3D image display position information using the absolute value, a light modulator controller configured to partially activate the light modulator in response to the 3D image display position information, an image generator for generating an interlaced image using the left and right 2D images, and an image display device for displaying the interlaced image. The activated area of the light modulator corresponds to an area of the displayed interlaced image, so that the light modulator modulates light provided from the displayed interlaced image, and does not modulate light provided from a remainder of the image.
    Type: Application
    Filed: April 20, 2012
    Publication date: June 6, 2013
    Inventors: Jung-Hyun CHO, Seongmo Hwang, Moonjung Baek, Il Ho Lee, Moongyu Lee, Jaejin Pyun