Patents by Inventor Sung-Kyu Shim

Sung-Kyu Shim 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: 20170336053
    Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.
    Type: Application
    Filed: August 9, 2017
    Publication date: November 23, 2017
    Inventors: Kyung-Min KIM, Sung-Kyu SHIM, Yong-Hoon KWON, Do Hun KIM, Dong Hyeon LEE, Seung Hwan CHUNG, Seung-Hwa HA, Se Ki PARK, Seong-Yong HWANG, You Ra KIM
  • Publication number: 20170322359
    Abstract: A display device includes a display member which displays an image and a light source which provides light to the display member. The display member includes a base substrate including a front surface, a rear surface, and a plurality of side surfaces which connects the front surface to the rear surface, where the base substrate receives the light through a side surface of the side surfaces and has a first refractive index, a low refractive layer disposed on the front surface and having a second refractive index less than the first refractive index, and an array layer disposed on the low refractive layer and including at least one thin film transistor. The low refractive layer has a predetermined thickness, which is greater than a penetration depth of the light in the low refractive layer.
    Type: Application
    Filed: May 1, 2017
    Publication date: November 9, 2017
    Inventors: Seki PARK, Sung-kyu SHIM
  • Patent number: 9759853
    Abstract: A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hayoung Lee, Daehoon Song, Sung-Kyu Shim
  • Patent number: 9752753
    Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: September 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Min Kim, Sung-Kyu Shim, Yong-Hoon Kwon, Do Hun Kim, Dong Hyeon Lee, Seung Hwan Chung, Seung-Hwa Ha, Se Ki Park, Seong-Yong Hwang, You Ra Kim
  • Patent number: 9618674
    Abstract: A light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: April 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung Joo Kim, Dong Yeon Kang, Rae Young Kim, Min Young Song, Sung Kyu Shim, Sang Duk Lee
  • Publication number: 20170090112
    Abstract: A display device includes a display panel, a backlight unit, and support members. The display panel displays an image, and a first edge section, a middle section, and a second edge section are defined on the display panel. The backlight unit outputs light toward the display panel. The support members are disposed between the display panel and the backlight unit corresponding to the first and second edge sections, and the support members space the display panel from the backlight unit. A spacing distance between the display panel and the backlight in each of the first and second edge sections is greater than a spacing distance between the display panel and the backlight unit in the middle section.
    Type: Application
    Filed: May 24, 2016
    Publication date: March 30, 2017
    Inventors: Sung-kyu SHIM, Dohun KIM, Hyoung-joo KIM
  • Patent number: 9547115
    Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: January 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Min Kim, Seung-Hwa Ha, Yongkyu Kang, Sung-Kyu Shim
  • Patent number: 9529135
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Woan Cho, Sung-Kyu Shim, Sang-Hoon Lee, Joo-Young Kim, Taek-Sun Shin, Jin-Hee Park, Kwang-Wook Choi
  • Patent number: 9482899
    Abstract: Provided is a backlight unit including a printed circuit board, a light-emitting diode package, a diffusion plate, and a reflection sheet. The light-emitting diode package including a light-emitting part configured to generate a first light. The diffusion plate includes a first diffusion pattern provided on a first region corresponding to the light-emitting diode package and a second diffusion pattern provided on a second region to have a transmittance higher than that of the first diffusion pattern. The reflection sheet includes an absorption pigment configured to absorb a fraction of the first light with a specific wavelength and converting the first light to a second light, and the reflection sheet is configured to reflect the second light toward the first diffusion pattern. The backlight unit can have improved color coordinate uniformity.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang-Woo Lee, JoongHyun Kim, Sung-Kyu Shim, Seong-Yong Hwang, Dawoon Kim
  • Patent number: 9435927
    Abstract: Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Young Song, Dong Yeon Kang, Rae Young Kim, Joo Young Kim, Hyoung Joo Kim, Sung Kyu Shim
  • Publication number: 20160154166
    Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.
    Type: Application
    Filed: February 5, 2016
    Publication date: June 2, 2016
    Inventors: Kyung-Min KIM, Seung-Hwa HA, Yongkyu KANG, Sung-Kyu SHIM
  • Publication number: 20160103264
    Abstract: A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger.
    Type: Application
    Filed: August 5, 2015
    Publication date: April 14, 2016
    Inventors: Hayoung LEE, Daehoon SONG, Sung-Kyu SHIM
  • Patent number: 9297946
    Abstract: A display device according to an embodiment of the invention includes a display member configured to display images, a light source member configured to generate light, and a light guiding member disposed between the light source member and the display member. The light guiding member is configured to guide the light to the display member. The display member, the light source member, and the light guiding member are integrated as a single unit. The light source member generates blue light. The light guiding member includes a light guide layer and a fluorescent layer disposed on a top surface or a bottom surface of the light guide layer. The fluorescent layer is configured to convert the blue light into white light.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoung-Joo Kim, Sung-Kyu Shim, Seok Hyun Nam, Jin Sung Choi
  • Patent number: 9285634
    Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: March 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Min Kim, Seung-Hwa Ha, Yongkyu Kang, Sung-Kyu Shim
  • Publication number: 20150286093
    Abstract: A light source system comprises a substrate, a light source mounted on the substrate, a lens formed over the light source, and a plurality of support members supporting the lens. Each supporting member comprises an inner side surface, an outer side surface, a first connection side surface, and a second connection side surface. The distance between the light source and the outer side surface is greater than the distance between the light source and the inner side surface. The first connection side surface and the second connection side surface connect the inner side surface and the outer side surface. The inner side surface and the outer side surface are configured and oriented such that the light emitted by the light source is incident on the inner side surface and the outer side surface at a substantially perpendicular angle.
    Type: Application
    Filed: August 1, 2014
    Publication date: October 8, 2015
    Inventor: Sung Kyu SHIM
  • Patent number: 9128215
    Abstract: An optical structure includes a body facing a light emitting surface of a light emitting diode package and including a portion protruding toward the light emitting surface of the light emitting diode package, where a surface of the protruding portion faces the light emitting surface and forms a reflective surface of the optical structure; and a leg elongated from a periphery of the body toward the point light source, where the leg supports the body to be spaced apart from the light emitting diode package.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Kyu Shim, Kang-Woo Lee, In Sun Hwang, Do Hun Kim, Hyoung-Joo Kim, Tae Yong Ryu
  • Publication number: 20150234234
    Abstract: Provided is a backlight unit including a printed circuit board, a light-emitting diode package, a diffusion plate, and a reflection sheet. The light-emitting diode package including a light-emitting part configured to generate a first light. The diffusion plate includes a first diffusion pattern provided on a first region corresponding to the light-emitting diode package and a second diffusion pattern provided on a second region to have a transmittance higher than that of the first diffusion pattern. The reflection sheet includes an absorption pigment configured to absorb a fraction of the first light with a specific wavelength and converting the first light to a second light, and the reflection sheet is configured to reflect the second light toward the first diffusion pattern. The backlight unit can have improved color coordinate uniformity.
    Type: Application
    Filed: August 29, 2014
    Publication date: August 20, 2015
    Inventors: Kang-Woo LEE, JoongHyun KIM, Sung-Kyu SHIM, Seong-Yong HWANG, Dawoon KIM
  • Publication number: 20150219817
    Abstract: A light guide panel may include a first surface, a second surface overlapping the first surface, and a third surface oriented at an angle with respect to the second surface. The first surface may include a first face, a second face, a third face connected between the first face and the second face, and a first light-scattering structure positioned at a first portion of the second face. A distance between the first face and the second surface may be unequal to a distance between the second face and the second surface. The third face may not be parallel to the first face and may not be parallel to the second face.
    Type: Application
    Filed: June 9, 2014
    Publication date: August 6, 2015
    Inventors: Hyoung Joo KIM, Rae Young KIM, Dong Yeon KANG, Min Young SONG, Sung Kyu SHIM
  • Publication number: 20150098249
    Abstract: Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate.
    Type: Application
    Filed: February 21, 2014
    Publication date: April 9, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min Young SONG, Dong Yeon KANG, Rae Young KIM, Joo Young KIM, Hyoung Joo KIM, Sung Kyu SHIM
  • Publication number: 20150092440
    Abstract: A Light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.
    Type: Application
    Filed: January 27, 2014
    Publication date: April 2, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoung Joo KIM, Dong Yeon KANG, Rae Young KIM, Min Young SONG, Sung Kyu SHIM, Sang Duk LEE