Patents by Inventor Myeong-Ju Shin

Myeong-Ju Shin 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: 10295146
    Abstract: A display device includes a display panel and a backlight unit. The display panel receives a light to display an image and has a first radius of curvature. The backlight unit is disposed under the display panel to provide the light to the display panel and has a second radius of curvature. The backlight unit includes a plurality of light sources and a plurality of scattering units. The light sources emit the light and the scattering units scatter at least a portion of the light.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang-woo Lee, Dawoon Kim, Yu-dong Kim, Hyun-hwa Song, Myeong-ju Shin, Seunghwan Chung
  • Patent number: 10158048
    Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: December 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngchun Kim, Myeong-ju Shin, Seokhyun Nam, Jaesul An
  • Patent number: 10151867
    Abstract: A display devices include: a light source configured to emit first light; a light conversion member configured to convert the first light into second light; and a display panel for displaying an image using the second light, wherein the light conversion member includes: a first unit substrate defined a groove etched by a predetermined depth; a second unit substrate disposed to face the first unit substrate; a first connection member having a closed loop shape surrounding the groove and disposed on the first unit substrate; a second connection member bonded to the first connection member and disposed on the second unit substrate to overlap the first connection member; and a quantum dot member disposed in the groove and configured to receive the first light and configured to convert the first light into the second light.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 11, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong-ju Shin, Seunghwan Baek, Yeongbae Lee
  • Patent number: 10078172
    Abstract: A display device includes a display panel and a backlight unit which provides light to the display panel. The backlight unit includes a light source which emits the light, a light guide plate which guides the light emitted from the light source toward the display panel, and a prism plate. The prism plate includes a base film disposed on the light guide plate and a plurality of prisms disposed on the base film. Each of the prisms has an isosceles trapezoidal section, two base angles of which are obtuse angles, when viewed from a cross-sectional view in a width direction.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: September 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang-woo Lee, Youra Kim, Myeong-ju Shin, Seunghwan Chung
  • Patent number: 10078170
    Abstract: A light conversion member includes a base substrate, a first light conversion layer disposed on the base substrate and including a plurality of first quantum dots that converts first light into light with a first color, a second light conversion layer disposed between the base substrate and the first light conversion layer and including a plurality of second quantum dots that converts the first light into light with a second color. Each of the first quantum dots includes a first core that converts the first light into light with the first color; a first shell surrounding the first core and including an organic material; and a second shell surrounding the first shell and including an inorganic material.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: September 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghoon Kim, Myeong-ju Shin, Junwoo You, Seunghwan Chung
  • Patent number: 10025021
    Abstract: Provided are a display device and a method of fabricating the display device. The display device includes a display panel, a backlight unit, and a light emitting sheet. The backlight unit is disposed under the display panel to provide light to the display panel. The light emitting sheet is disposed between the display panel and the backlight unit. The light emitting sheet includes a lower film, a first light emitting resin pattern layer, an upper film, and a second light emitting resin pattern layer. The first light emitting resin pattern layer is disposed on the lower film and includes a plurality of first protrusions and a plurality of first grooves defined between the first protrusions. The upper film is disposed on the first light emitting resin pattern layer. The second light emitting resin pattern layer is disposed between the first light emitting resin pattern layer and the upper film.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: July 17, 2018
    Assignees: Samsung Display Co., Ltd., SHINWHA INTERTEK CORP
    Inventors: Donghoon Kim, Myeong-Ju Shin, Juyoung Yoon, Seunghwan Chung, Youngjun Choi, Mi-sun Park, Hyun-Min Bae, Jae-suk Ahn, Il-ho Jeon
  • Patent number: 9835316
    Abstract: A frame and a light source module having the same are provided. According to embodiments, there is provided a frame comprising a plurality of bodies spaced apart from one another in one direction and connected to one another by a supporter. The plurality of bodies comprises a light emission window formed at an upper part of a body, a light incidence window formed at a bottom part of the body, and a mounting portion formed between the light emission window and the light incidence window, and including a groove that is formed on an inner wall of the body and is recessed horizontally into the body from the light incidence window.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Hwan Baek, Myeong Ju Shin, Yeong Bae Lee
  • Publication number: 20170317241
    Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventors: Youngchun KIM, Myeong-ju SHIN, Seokhyun NAM, Jaesul AN
  • Publication number: 20170299795
    Abstract: A display devices include: a light source configured to emit first light; a light conversion member configured to convert the first light into second light; and a display panel for displaying an image using the second light, wherein the light conversion member includes: a first unit substrate defined a groove etched by a predetermined depth; a second unit substrate disposed to face the first unit substrate; a first connection member having a closed loop shape surrounding the groove and disposed on the first unit substrate; a second connection member bonded to the first connection member and disposed on the second unit substrate to overlap the first connection member; and a quantum dot member disposed in the groove and configured to receive the first light and configured to convert the first light into the second light.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 19, 2017
    Inventors: Myeong-ju Shin, Seunghwan Baek, Yeongbae Lee
  • Patent number: 9753214
    Abstract: A light source unit, a method of fabricating the light source unit and a backlight assembly including the light source unit are provided. According to an exemplary embodiment of the inventive concept, there is provided a light source unit, comprising a circuit board, a light-emitting diode (“LED”) package configured to be disposed on the circuit board and including an LED chip emitting light, a wavelength conversion member configured to be disposed on the LED package and convert the wavelength of light emitted from the LED chip, and a mold member configured to be interposed between the LED package and the wavelength conversion member and support the wavelength conversion member.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: September 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Ju Shin, Seung Hwan Baek, Yeong Bae Lee
  • Patent number: 9741904
    Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: August 22, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngchun Kim, Myeong-ju Shin, Seokhyun Nam, Jaesul An
  • Patent number: 9696480
    Abstract: Provided is a method for a light conversion member including forming a plurality of grooves etched by a predetermined depth from a top surface to a bottom surface of a first substrate, forming a plurality of first connection members disposed in a first unit area partitioned by each of the grooves and having a closed loop shape surrounding each of the grooves on the top surface of the first substrate, forming a quantum dot member in the groove, forming a plurality of second connection members disposed in each of second unit areas partitioned on a bottom surface of a second substrate, cutting the second substrate along boundaries of the second unit areas; bonding a plurality of second sub substrates cut along the second unit areas to the top surface of the first substrate so as to overlap the first unit areas.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong-ju Shin, Seunghwan Baek, Yeongbae Lee
  • Patent number: 9664828
    Abstract: According to an exemplary embodiment, the present system and method provide a quantum dot sheet including: a color conversion film that includes quantum dots and a polymer layer in which the quantum dots are dispersed; a first barrier film that is provided one a planar surface of the color conversion film; and a phosphor pattern that has a portion located along an edge portion of the surface of the first barrier film. The phosphor pattern, which may be printed onto the quantum dot sheet, prevents deterioration of the color conversion performance of the quantum dot sheet that may occur due to oxidization.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: May 30, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hoon Kim, Seung Hwan Baek, Jin Seo, Myeong-Ju Shin, Seung Hwan Chung, Young Jun Choi
  • Publication number: 20160370526
    Abstract: A light conversion member includes a base substrate, a first light conversion layer disposed on the base substrate and including a plurality of first quantum dots that converts first light into light with a first color, a second light conversion layer disposed between the base substrate and the first light conversion layer and including a plurality of second quantum dots that converts the first light into light with a second color. Each of the first quantum dots includes a first core that converts the first light into light with the first color; a first shell surrounding the first core and including an organic material; and a second shell surrounding the first shell and including an inorganic material.
    Type: Application
    Filed: February 29, 2016
    Publication date: December 22, 2016
    Inventors: Donghoon KIM, Myeong-ju SHIN, Junwoo YOU, Seunghwan CHUNG
  • Publication number: 20160293803
    Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.
    Type: Application
    Filed: December 4, 2015
    Publication date: October 6, 2016
    Inventors: Youngchun KIM, Myeong-ju SHIN, Seokhyun NAM, Jaesul AN
  • Publication number: 20160291239
    Abstract: A display device includes a display panel and a backlight unit which provides light to the display panel. The backlight unit includes a light source which emits the light, a light guide plate which guides the light emitted from the light source toward the display panel, and a prism plate. The prism plate includes a base film disposed on the light guide plate and a plurality of prisms disposed on the base film. Each of the prisms has an isosceles trapezoidal section, two base angles of which are obtuse angles, when viewed from a cross-sectional view in a width direction.
    Type: Application
    Filed: February 9, 2016
    Publication date: October 6, 2016
    Inventors: Kang-woo LEE, Youra KIM, Myeong-ju SHIN, Seunghwan CHUNG
  • Publication number: 20160230951
    Abstract: A display device includes a display panel and a backlight unit. The display panel receives a light to display an image and has a first radius of curvature. The backlight unit is disposed under the display panel to provide the light to the display panel and has a second radius of curvature. The backlight unit includes a plurality of light sources and a plurality of scattering units. The light sources emit the light and the scattering units scatter at least a portion of the light.
    Type: Application
    Filed: December 2, 2015
    Publication date: August 11, 2016
    Inventors: Kang-woo LEE, Dawoon KIM, Yu-dong KIM, Hyun-hwa SONG, Myeong-ju SHIN, Seunghwan CHUNG
  • Publication number: 20160204318
    Abstract: Provided is a method for a light conversion member including forming a plurality of grooves etched by a predetermined depth from a top surface to a bottom surface of a first substrate, forming a plurality of first connection members disposed in a first unit area partitioned by each of the grooves and having a closed loop shape surrounding each of the grooves on the top surface of the first substrate, forming a quantum dot member in the groove, forming a plurality of second connection members disposed in each of second unit areas partitioned on a bottom surface of a second substrate, cutting the second substrate along boundaries of the second unit areas; bonding a plurality of second sub substrates cut along the second unit areas to the top surface of the first substrate so as to overlap the first unit areas.
    Type: Application
    Filed: July 14, 2015
    Publication date: July 14, 2016
    Inventors: Myeong-ju SHIN, Seunghwan BAEK, Yeongbae LEE
  • Publication number: 20160077273
    Abstract: Provided are a display device and a method of fabricating the display device. The display device includes a display panel, a backlight unit, and a light emitting sheet. The backlight unit is disposed under the display panel to provide light to the display panel. The light emitting sheet is disposed between the display panel and the backlight unit. The light emitting sheet includes a lower film, a first light emitting resin pattern layer, an upper film, and a second light emitting resin pattern layer. The first light emitting resin pattern layer is disposed on the lower film and includes a plurality of first protrusions and a plurality of first grooves defined between the first protrusions. The upper film is disposed on the first light emitting resin pattern layer. The second light emitting resin pattern layer is disposed between the first light emitting resin pattern layer and the upper film.
    Type: Application
    Filed: July 8, 2015
    Publication date: March 17, 2016
    Inventors: Donghoon KIM, Myeong-Ju SHIN, Juyoung YOON, Seunghwan CHUNG, Youngjun CHOI, Mi-sun PARK, Hyun-Min BAE, Jae-suk AHN, Il-ho JEON
  • Patent number: 9278491
    Abstract: A light emitting unit may include a housing having a bottom portion parallel to an xz plane and an opened top opposite to the bottom portion, a light emitting chip on the bottom portion and generating light, and a lens which overlaps the opened top of the housing. The lens may have a convex structure with respect to the xz plane when viewed from a cross section parallel to an xy plane and a concave structure with respect to the xz plane when viewed from a cross section parallel to a yz plane.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: March 8, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-keun Lee, Chan-Jae Park, Sang-Chul Byun, Myeong-Ju Shin, Suchang Ryu