Patents by Inventor IN HWAN BAEK

IN HWAN 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: 20150309367
    Abstract: A display device includes a display panel including a display surface on which an image is displayed and a rear surface opposite to the display surface, and a backlight unit which is under the display panel and supplies a light to the display panel. The backlight unit includes a light source unit which emits a first light in a direction taken from the display surface to the rear surface, a reflection sheet which reflects the first light, and an active layer which is between the light source unit and the reflection sheet and includes a scattering particle which scatters the first light.
    Type: Application
    Filed: January 19, 2015
    Publication date: October 29, 2015
    Inventors: Chan-Jae PARK, SEOKHYUN NAM, Seung Hwan BAEK, Yeongbae LEE
  • Publication number: 20150296640
    Abstract: A manufacturing method of a bottom chassis includes providing a base plate having a flexibility and a first rigidity through a press molding process, providing a bent-maintaining member having a second rigidity greater than the first rigidity and being curved in a first direction through an extrusion molding process, and coupling the base plate to the bent-maintaining member.
    Type: Application
    Filed: January 19, 2015
    Publication date: October 15, 2015
    Inventors: Tai-Yun JUNG, Ki-Hwan BAEK
  • Publication number: 20150285985
    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: Application
    Filed: July 1, 2014
    Publication date: October 8, 2015
    Inventors: Myeong Ju SHIN, Seung Hwan BAEK, Yeong Bae LEE
  • Publication number: 20150285981
    Abstract: A backlight device for use in a display device includes a light source device and a light diffusion member. The light source device includes a plurality of light sources. The light diffusion member includes a light transmission body and reflectors. The light transmission body includes a light receiving surface facing a first one of the light sources for receiving the light emitted from the first light source and a light output surface facing away from the light receiving surface for outputting the light transmitted through the light transmission body. The reflectors are attached to the light transmission body and include first and second reflection surfaces oriented such that the light received from the first light source through the light receiving surface is reflected by the first and second reflection surfaces while the light passes through the light transmission body toward the light output surface.
    Type: Application
    Filed: July 25, 2014
    Publication date: October 8, 2015
    Inventors: Chan Jae Park, Seung Hwan Baek, Hwan Jun Sung
  • Publication number: 20150286096
    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: Application
    Filed: September 8, 2014
    Publication date: October 8, 2015
    Inventors: Dong Hoon KIM, Seung Hwan BAEK, Jin SEO, Myeong-Ju SHIN, Seung Hwan CHUNG, Young Jun CHOI
  • Publication number: 20150268402
    Abstract: A quantum dot container may include a body having a cavity and a phosphor disposed inside the cavity. The body may include a light transmitting portion and a bent portion connected to one end of the light transmitting portion and extending at a predetermined angle with respect to an extension direction of the light transmitting portion.
    Type: Application
    Filed: August 29, 2014
    Publication date: September 24, 2015
    Inventors: Jae-Sul AN, Dong-Hoon KIM, So-Jeong LA, Seung-Hwan BAEK
  • Publication number: 20150268409
    Abstract: A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.
    Type: Application
    Filed: June 4, 2015
    Publication date: September 24, 2015
    Inventors: Eui Jeong KANG, Dongmin YEO, Taeho LEE, Yong-Hoon KWON, Min-Young SONG, Seung Hwan BAEK
  • Patent number: 9123951
    Abstract: Disclosed herein is a secondary battery pack including a battery cell, and a protection circuit module (PCM) assembly, configured in a specific structure, coupled to the top of the battery cell. The secondary battery pack includes a battery cell having an electrode assembly mounted in a battery case together with an electrolyte in a sealed state, a protection circuit module (PCM) assembly including a PCM and connection members, the PCM assembly being provided with a through-hole for connection, an insulative mounting member mounted at the top of the battery cell, an insulative cap coupled to an upper end of the battery cell. One of the connection members, i.e., the connection member (A), protrudes from one end of the PCM assembly such that a region of the connection member (A) electrically connected to the battery cell is exposed upward from the PCM assembly. The other connection member, i.e.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: September 1, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Ju-Hwan Baek, Ki eob Moon, Soonkwang Jung, Sukjin Song
  • Publication number: 20150234111
    Abstract: A backlight unit includes a light guide plate (LGP), one or more light-emitting devices disposed to face a side of the LGP and configured to generate light, a circuit board electrically connected to the one or more light-emitting devices, a quantum dot bar interposed between the LGP and the one or more light-emitting devices and configured to convert a wavelength of light, and a housing configured to house the one or more light-emitting devices, the circuit board and the quantum dot bar, and comprising first and second open end portions and an open side portion through which a portion of the LGP is inserted. The backlight unit further includes first and second covers covering the first and second open end portions of the housing, respectively, and coupled to the housing. The first cover and the second cover respectively include a first coupling portion and a second coupling portion which are coupled to first and second ends of the quantum dot bar, respectively.
    Type: Application
    Filed: June 3, 2014
    Publication date: August 20, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong Hyeon Lee, Jun Woo You, Dong Hoon Kim, Seung Hwan Baek
  • Patent number: 9110582
    Abstract: A screen change control method based on input signals and a mobile terminal supporting the same are disclosed. The mobile terminal includes a display panel for outputting a screen assigned to a user function, and a control unit for collecting screen ratio information based on at least one of a proportion of a current screen on the display panel to a full screen assigned to the user function and a ratio of enlargement or reduction by zooming, and for automatically adjusting an amount of screen changes for an input signal according to the screen ratio information.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: August 18, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Hwan Baek, Joon Yeong Choe
  • 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: 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: 20150219936
    Abstract: A backlight assembly includes a light source portion including a plurality of light sources. The light sources are configured to emit light. A wavelength conversion member is disposed on the light source portion. The wavelength conversion member is configured to convert a wavelength of light emitted from the light source portion. The wavelength conversion member includes a first substrate disposed on the light source portion, a second substrate disposed on the first substrate, and a plurality of wavelength conversion layers interposed between the first substrate and the second substrate. Each of the plurality of wavelength conversion layers correspond to a light source of the plurality of light sources.
    Type: Application
    Filed: July 1, 2014
    Publication date: August 6, 2015
    Inventors: Dong Hoon KIM, Dong Hyeon LEE, Seung Hwan BAEK, Ju Yung YOON, Han Moe CHA, Young Jun CHOI
  • 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
  • Publication number: 20150219323
    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: Application
    Filed: June 2, 2014
    Publication date: August 6, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Hwan BAEK, Myeong Ju SHIN, 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
  • Patent number: 9075181
    Abstract: A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: July 7, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Eui Jeong Kang, Dongmin Yeo, Taeho Lee, Yong-Hoon Kwon, Min-Young Song, Seung Hwan Baek
  • Patent number: 9070911
    Abstract: Disclosed herein is a top cap assembly mounted to a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery case being provided at an upper end thereof with a first electrode terminal and a second electrode terminal, the top cap assembly including a protection circuit module (PCM) and an electrically insulative top cap housing mounted to the upper end of the battery cell while surrounding an outside of the PCM, wherein the PCM includes a protection circuit board (PCB) having a protection circuit formed thereon, the PCB being coupled to a mechanical coupling part of a terminal block, connecting parts connected to the first electrode terminal and the second electrode terminal, a safety element, and the terminal block mounted to the PCM, the terminal block including connectors.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: June 30, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Jic Han Jeong, Jung Hwan Kim, Ju Hwan Baek, Suk Jin Song, Young Ho Son
  • Patent number: 9057810
    Abstract: A light-emitting module includes a light source, a printed circuit board (“PCB”) and a light absorption portion. The light source generates and emits a light, and the light source is on a first surface of the PCB. The light absorption portion is on the first surface of the PCB and absorbs the light.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Hwan Baek, Jin Seo, Jae-Sang Lee, Hyung-Jin Kim, Sang-Won Lee
  • Patent number: 9052419
    Abstract: A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: June 9, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eui Jeong Kang, Juhwa Ha, Hyeeun Park, Cheolyong Noh, Seung Hwan Baek, Yong-Hoon Kwon