Patents by Inventor Seok-Hyun Nam

Seok-Hyun Nam 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: 20160266299
    Abstract: A backlight unit that may be used with a liquid crystal display is presented. The backlight unit includes: a bottom chassis; a light source disposed at an edge of the bottom chassis; a light-converting member disposed on the light source and including quantum dots for changing a wavelength of light emitted from the light source; and a light guide disposed on the bottom chassis adjacent to the light-converting member and positioned to receive light emitted from the light-converting member.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 15, 2016
    Inventors: Sang Hyuck YOON, So Jeong LA, Han Moe CHA, Seok Hyun NAM
  • Publication number: 20160223862
    Abstract: Disclosed herein is a liquid crystal display device having a thin thickness and a reduced size of a bezel. According to an exemplary embodiment, the liquid crystal display device includes: a liquid crystal display panel including a display area and a non-display area enclosing the display area; a light guide plate disposed under the liquid crystal display panel and having a polygonal plane shape including a first side, a second side, a third side, and a fourth side; and a light source adjacent to the first side of the light guide plate, wherein at least one of the second side, the third side, and the fourth side of the light guide plate overlaps the display area.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 4, 2016
    Inventors: Eui Jeong KANG, Seok Hyun NAM, Ju Hwa HA, Sang Ho HWANG
  • Patent number: 9405148
    Abstract: A light source module, backlight assembly, and display device including the same are disclosed. In one aspect, the light source module includes a printed circuit board, a plurality of light sources arranged over the printed circuit board, and a plurality of optical lenses respectively arranged over the light sources. Each of the optical lenses has upper and lower surfaces opposing each other. The light source module further includes a plurality of reflection patterns respectively formed on the optical lenses. Each of the reflection patterns includes a first reflection pattern formed on the lower surface of the corresponding optical lens and a second reflection pattern formed on the upper surface of the corresponding optical lens.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moon Hwan Chang, Jin Seo, Seok Hyun Nam
  • Publication number: 20160118549
    Abstract: A light emitting device package includes a body, a cavity defined in the body and opened upward, a first electrode positioned in the cavity at least partly and including a first projection portion which projects upward, a second electrode positioned in the cavity at least partly and including a second projection portion which projects upward, a light emitting device positioned on the first projection portion and the second projection portion, and a bump disposed between the light emitting device and the first projection portion and between the light emitting device and the second projection portion, where the light emitting device is electrically connected to the first projection portion and the second projection portion through the bump.
    Type: Application
    Filed: January 7, 2016
    Publication date: April 28, 2016
    Inventors: Gi Cherl KIM, Woo Suk SEO, Seok Hyun NAM
  • Patent number: 9316776
    Abstract: A light source assembly includes a base substrate, a resin layer disposed on the base substrate, and exposing a portion of the base substrate, and a first light source disposed on the portion of the base substrate which is exposed by the resin layer. The first light source has a hexahedron shape. The first light source has a face in parallel with the base substrate and having a height smaller than length or width of the face.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Won Kang, Sang-Chul Byun, Dong-Yeon Kang, Seok-Hyun Nam, Sang-Hyuk Lee, Hyoung-Joo Kim, Ji-Eun Nam, Ju-Young Yoon
  • Patent number: 9311893
    Abstract: A display device includes a display panel which displays an image corresponding to input image data and is divided into a display blocks, a light source module which includes a light source blocks respectively corresponding to the display blocks, each of the light source blocks including a first light source which emits light of a first color, and a second light source which emits light of a combination of second and third colors, a dimming controller which outputs a dimming signal, a light source module driver which drives each of the light source blocks based on the dimming signal, where the dimming controller detects block image data corresponding to each of the display blocks from the image data, calculates color data based on the block image data, and provides a first dimming signal and a second dimming signal to the light source module driver.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Hoon Kwon, Hee Kwang Song, Ho Sik Shin, Jung Hyun Kim, Seok Hyun Nam
  • Publication number: 20160092030
    Abstract: A display device may include a display panel, at least one light source disposed on one side of the display panel, a circuit board to drive the light source, a light guide plate in which light emitted from the light source is incident into a surface and is emitted to another surface, and a lower frame to support the display panel and to accommodate the light source and the light guide plate. The lower frame may include a base substrate, a digitizer disposed on the base substrate, and a dummy digitizer pattern disposed on the base substrate and spaced apart from the digitizer. The circuit board may be disposed between the digitizer and the dummy digitizer pattern, and the lower frame may be bent and extend around the light source.
    Type: Application
    Filed: June 11, 2015
    Publication date: March 31, 2016
    Inventors: Sang Chul BYUN, Seok Hyun NAM, Se Ki PARK, Young Hye SON, Sang Hyuk LEE
  • 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
  • Publication number: 20160085109
    Abstract: A display device includes a bottom chassis on which a light source is disposed, a light guide plate disposed on the bottom chassis and configured to guide light emitted from the light source to a display panel, an optical sheet on the light guide plate, a mold frame coupled to the bottom chassis and including a support unit on which the display panel is disposed, and a light conversion shielding member disposed on a surface of the support unit of the mold frame having a side portion that extends down from the support unit and covers a side surface of the optical sheet.
    Type: Application
    Filed: June 26, 2015
    Publication date: March 24, 2016
    Inventors: SEUNG HWAN BAEK, SEUL GI KIM, YEONG BAE LEE, SEOK HYUN NAM, CHAN JAE PARK
  • Publication number: 20150268513
    Abstract: A light source module, backlight assembly, and display device including the same are disclosed. In one aspect, the light source module includes a printed circuit board, a plurality of light sources arranged over the printed circuit board, and a plurality of optical lenses respectively arranged over the light sources. Each of the optical lenses has upper and lower surfaces opposing each other. The light source module further includes a plurality of reflection patterns respectively formed on the optical lenses. Each of the reflection patterns includes a first reflection pattern formed on the lower surface of the corresponding optical lens and a second reflection pattern formed on the upper surface of the corresponding optical lens.
    Type: Application
    Filed: August 25, 2014
    Publication date: September 24, 2015
    Inventors: Moon Hwan CHANG, Jin Seo, Seok Hyun Nam
  • Patent number: 9110212
    Abstract: A light source module includes a light source unit which generates a light; a light emitting part spaced apart from the light source unit and comprising a light emitting surface; and a light transmitting part which transmits the light generated by the light source unit to the light emitting part. The light emitting part emits the light transmitted by the light transmitting part, through the light emitting surface.
    Type: Grant
    Filed: November 17, 2012
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chan-Jae Park, Seung-Hwan Baek, Youn-Ho Han, Seok-Hyun Nam, Sang-Won Lee, Young-Keun Lee
  • Publication number: 20150226885
    Abstract: A wavelength conversion member may include a first substrate and a second substrate that overlaps the first substrate. The wavelength conversion member may further include a wavelength conversion layer disposed between the first substrate and the second substrate in a first direction. The wavelength conversion member may further include a first hydrophobic membrane that overlaps at least one of the first substrate, the second substrate, and the wavelength conversion layer in a second direction perpendicular to the first direction.
    Type: Application
    Filed: June 2, 2014
    Publication date: August 13, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sang Hyuk LEE, Seok Hyun NAM
  • Publication number: 20150219966
    Abstract: A light source module includes a printed circuit board including a wiring layer, an insulating coating layer disposed on the wiring layer, and a reflection adjustment pattern disposed on the insulating coating layer and having reflection characteristics which are different from reflection characteristics of the insulating coating layer, a light emitting chip mounted on the printed circuit board, and an optical lens arranged on an upper portion of the light emitting chip and fixed to the printed circuit board.
    Type: Application
    Filed: May 21, 2014
    Publication date: August 6, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Si Joon SONG, Hyuk Hwan KIM, Hyun Jeong KIM, Seok Hyun NAM, Young Keun LEE
  • Publication number: 20150219288
    Abstract: A light-emitting diode (LED) package and a method of manufacturing the same are provided. The LED package includes a package mold, an LED chip located on a surface of the package mold, and a wavelength converter located on the surface of the package mold and separated from the LED chip. The wavelength converter includes a first barrier layer located on the surface of the package mold, a wavelength conversion layer located on the first barrier layer, and a second barrier layer located on the wavelength conversion layer.
    Type: Application
    Filed: June 16, 2014
    Publication date: August 6, 2015
    Inventors: Jae Sul AN, Seok Hyun NAM, Sang Hyuck YOON, Yeong Bae LEE
  • Publication number: 20150221830
    Abstract: A light emitting device package includes a body, a cavity defined in the body and opened upward, a first electrode positioned in the cavity at least partly and including a first projection portion which projects upward, a second electrode positioned in the cavity at least partly and including a second projection portion which projects upward, a light emitting device positioned on the first projection portion and the second projection portion, and a bump disposed between the light emitting device and the first projection portion and between the light emitting device and the second projection portion, where the light emitting device is electrically connected to the first projection portion and the second projection portion through the bump.
    Type: Application
    Filed: May 30, 2014
    Publication date: August 6, 2015
    Applicant: Samsung Display Co. Ltd.
    Inventors: Gi Cherl KIM, Woo Suk SEO, Seok Hyun NAM
  • Publication number: 20150219310
    Abstract: A wavelength conversion member, a backlight assembly, and a display device including the same are provided. In one aspect, there is provided a wavelength conversion member comprising a first substrate, a second substrate, a wavelength conversion layer, and a spacer. The second substrate is positioned on the first substrate. The wavelength conversion layer is interposed between the first substrate and the second substrate. The spacer is interposed between the first substrate and the second substrate to constantly keep a distance between the first substrate and the second substrate.
    Type: Application
    Filed: June 4, 2014
    Publication date: August 6, 2015
    Inventors: Yeong Bae LEE, Seok Hyun NAM, Seung Hwan BAEK, Sang Won LEE
  • Publication number: 20150219832
    Abstract: Provided are a backlight assembly and a display device having the same. A backlight assembly includes a light source unit which emits light, a light guide plate (LGP) including an incident surface upon which light emitted from the light source unit is incident, an opposite surface which faces the incident surface, and an exit surface which connects the incident surface and the opposite surface and from which light incident upon the incident surface exits, a wavelength conversion member which is located on the exit surface and converts a wavelength of light output from the exit surface, and a first reflective member which is located on the opposite surface and reflects light incident upon the opposite surface, wherein the first reflective member includes a plurality of first color patterns which face the opposite surface.
    Type: Application
    Filed: June 5, 2014
    Publication date: August 6, 2015
    Inventors: Seung Hwan BAEK, Dong Hoon KIM, Seok Hyun NAM, Chan Jae PARK, Dong Hyeon LEE, Yeong Bae LEE
  • Patent number: 9096797
    Abstract: A silicate phosphor composition is provided having a ?-phase of an orthorhombic crystal structure whose space group is Pbnm 62, and whose composition is represented by the following chemical formula: Ca2-x-y-zMxSiO4:yCe3+,zN(0?x<0.5,0<y?0.1,0?z<0.15) In the formula, M represents at least one member selected from the group consisting of Mg, Sr, Ba, Zn, Na, Al, Ga, Ge, P, As and Fe, and N represents at least one member selected from the group consisting of Eu2+, Mn2+, Tb3+, Yb2+ and Tm3+. The silicate phosphor has a maximum absorbance for a wavelength of about 450 nm to about 475 nm corresponding to a main part of a blue excitation light, and has a great stability at a high temperature. As such the silicate phosphor may be used in combination with a blue light source to produce a white light.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: August 4, 2015
    Assignees: SAMSUNG DISPLAY CO., LTD., PU-LYONG NATIONAL UNIVERSITY INDUSTRY—UNIVERSITY FOUNDATION
    Inventors: Myeong-Ju Shin, Seung-Hwan Baek, Yeong-Bae Lee, Young-Sic Kim, Seok-Hyun Nam, Byung-Choon Yang, Jong-Su Kim, Kwang-Won Park, Yun-Hyoung Park, Ji-Su Yu, Hyung-Seok Lim
  • Publication number: 20150206507
    Abstract: A display device includes a display panel which displays an image corresponding to input image data and is divided into a display blocks, a light source module which includes a light source blocks respectively corresponding to the display blocks, each of the light source blocks including a first light source which emits light of a first color, and a second light source which emits light of a combination of second and third colors, a dimming controller which outputs a dimming signal, a light source module driver which drives each of the light source blocks based on the dimming signal, where the dimming controller detects block image data corresponding to each of the display blocks from the image data, calculates color data based on the block image data, and provides a first dimming signal and a second dimming signal to the light source module driver.
    Type: Application
    Filed: June 17, 2014
    Publication date: July 23, 2015
    Inventors: Yong Hoon KWON, Hee Kwang SONG, Ho Sik SHIN, Jung Hyun KIM, Seok Hyun NAM
  • Publication number: 20150138827
    Abstract: A method of protecting an LED chip from damage by ESD and EMI when the LED chip is housed in a light-emitting diode(s) housing package (LED package) and the LED package is mounted on a printed circuit board is provided. The method comprises a step of not including an ESD and EMI suppressing Zener diode within the combination of the printed circuit board and the LED package and of providing within the combination of the printed circuit board and the LED package a first conductive member and a spaced apart second conductive member which are electrically connected to the LED chip and which have defined between them at least one insulative ESD and/or EMI suppressing region which breaks down in its insulative properties when subjected to voltages of absolute magnitudes greater than a predetermined threshold voltage.
    Type: Application
    Filed: April 25, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Si Joon SONG, Hyuk Hwan KIM, Seok Hyun NAM, Byoung Dae YE, Young Keun LEE