Patents by Inventor Hyun-Chul Bae

Hyun-Chul Bae 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: 11948808
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide a method for manufacturing a semiconductor device, and a semiconductor device produced thereby, that comprises an interposer without through silicon vias.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 2, 2024
    Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.
    Inventors: Dong Jin Kim, Jin Han Kim, Won Chul Do, Jae Hun Bae, Won Myoung Ki, Dong Hoon Han, Do Hyung Kim, Ji Hun Lee, Jun Hwan Park, Seung Nam Son, Hyun Cho, Curtis Zwenger
  • Patent number: 11926682
    Abstract: The present disclosure provides a method for preparing a polymerization initiator composition, including (a) a step of mixing water and a water-soluble initiator to prepare an aqueous initiator solution having a concentration of 1 to 10%; and (b) a step of activating the aqueous initiator solution, wherein the step of activating is performed by (b-1) a step of heat treating the aqueous initiator solution for 0.5 to 4.5 hours at a temperature of 48 to 62° C.; and (b-2) a step of treating the aqueous initiator solution to achieve pH of 1 to 7, where the steps above are performed in no particular order.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: March 12, 2024
    Assignee: LG CHEM LTD.
    Inventors: Heung Kwon Bae, Kyung Seog Youk, Jung Rae Lee, Hyun Min Lee, Joong Chul Lim, Min Jeong Kang
  • Patent number: 11912810
    Abstract: The present disclosure provides a composition for preparing a vinyl chloride-based polymer, including a vinyl chloride-based first seed; a vinyl chloride-based second seed; an initiator composition including a water-soluble initiator and an oil-soluble initiator; a reducing agent; and a vinyl chloride-based monomer, wherein a metal catalyst is not included in the composition, and a method for preparing a vinyl chloride-based polymer using the same.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: February 27, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Seog Youk, Heung Kwon Bae, Jung Rae Lee, Hyun Min Lee, Joong Chul Lim, Min Jeong Kang
  • Publication number: 20240040727
    Abstract: A display device according to an embodiment includes: a window including a flat area and a curved area; a display panel including a display area, a connection region, and a bending region between the display area and the connection region; and a fixing member including a flat portion and a curved portion and fixed to the connection region. The display area is attached to the window, and the connection region is disposed on a rear side of the display area together with the fixing member.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 1, 2024
    Inventors: Cheul Jin PARK, Hyun Chul BAE
  • Publication number: 20230219837
    Abstract: A glass composition, glass article prepared from the glass composition, and display device are provided. The glass article includes, as a glass composition, about 45 to about 65 mol % of SiO2, about 15 to about 25 mol % of Al2O3, about 15 to about 25 mol % of Na2O, and 0 to about 10 mol % of B2O3 based on a total weight of the glass composition, where the glass composition has a thermal expansion coefficient of about 70*10?7 K?1 to about 85*10?7 K?1.
    Type: Application
    Filed: August 19, 2022
    Publication date: July 13, 2023
    Inventors: Seung Ho KIM, Woon Jin CHUNG, Kyeong Dae PARK, Min Gyeong KANG, Seung KIM, Cheol Min PARK, Hyun Chul BAE, Hui Yeon SHON, Gyu In SHIM, So Mi JUNG, Seong Ho LEE
  • Publication number: 20230184647
    Abstract: A glass strength evaluation apparatus includes a support unit, a plate disposed on the support unit and including a surface on which a glass article, which is a target to be tested, is disposed, a fixing jig disposed on the plate and a power unit lifting up or down the fixing jig in a vertical direction toward the surface of the plate. The fixing jig includes a body portion, which extends in the vertical direction and lower fixing bolts. A press-fitting member insertion opening is recessed from a bottom of the body portion to extend in an upward direction, lower fixing bolt insertion holes penetrate the body portion, from one side of the body portion, in a first horizontal direction intersecting the vertical direction, to be extended to the press-fitting insertion opening, and lower fixing bolts are coupled into the lower fixing bolt insertion holes.
    Type: Application
    Filed: July 22, 2022
    Publication date: June 15, 2023
    Inventors: So Mi JUNG, Seung KIM, Seung Ho KIM, Hyun Chul BAE, Hui Yeon SHON, Gyu In SHIM, Hoi Kwan LEE
  • Patent number: 9915777
    Abstract: A quantum dot bar container of a quantum dot bar and a backlight unit including the same is provided. In one embodiment, the quantum dot bar container includes a first fixing part including a first guide groove extending in a first direction, a second fixing part facing the first fixing part and including a second guide groove corresponding to the first guide groove, and a plurality of first connection parts each connecting the first fixing part and the second fixing part. The quantum dot bar including quantum dots is slidably inserted between the first guide groove and the second guide groove.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: March 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun Chul Bae
  • Patent number: 9726920
    Abstract: A liquid crystal display (“LCD”) module includes a backlight assembly emitting light, a LCD panel overlapping the backlight assembly, and an upper cover. The backlight includes a light source module emitting the light, a light guide plate (“LGP”) including edges and a middle portion, and a LGP support overlapping the edges of the LGP. The LGP support includes a plurality of LGP supporting pieces connected to each other so as to form a polygonal shape, each of the LGP supporting pieces including a LGP supporting portion including a LGP supporting surface overlapping the edges of the LGP, and the LGP supporting surfaces of each of the LGP supporting pieces of the LGP support are placed on a same plane. Opposing LGP supporting pieces are interconnected by an LCD module mounting member.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: August 8, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Chul Bae, Jae-Sang Lee, Seong-Sik Choi, Hee-June Kwak, Sang-Hyeok Lee
  • Patent number: 9442244
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: September 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Young Kim, Hyun-Chul Bae, Jae-Chang Choi, Seong-Sik Choi
  • Patent number: 9268084
    Abstract: A backlight assembly includes a light emitting part, a light guide plate and a lower receiving container. The light guide plate includes a side surface and a light exiting surface. The lower receiving container includes a heat sinking part and a rigid part having a strength greater than the heat sinking part.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Chul Bae, Dong-Hyeon Lee, Seong-Sik Choi, Si-Joon Song
  • Publication number: 20150261035
    Abstract: A liquid crystal display (“LCD”) module includes a backlight assembly emitting light, a LCD panel overlapping the backlight assembly, and an upper cover. The backlight includes a light source module emitting the light, a light guide plate (“LGP”) including edges and a middle portion, and a LGP support overlapping the edges of the LGP. The LGP support includes a plurality of LGP supporting pieces connected to each other so as to form a polygonal shape, each of the LGP supporting pieces including a LGP supporting portion including a LGP supporting surface overlapping the edges of the LGP, and the LGP supporting surfaces of each of the LGP supporting pieces of the LGP support are placed on a same plane. Opposing LGP supporting pieces are interconnected by an LCD module mounting member.
    Type: Application
    Filed: May 29, 2015
    Publication date: September 17, 2015
    Inventors: Hyun-Chul BAE, Jae-Sang LEE, Seong-Sik CHOI, Hee-June KWAK, Sang-Hyeok LEE
  • Publication number: 20150226904
    Abstract: A quantum dot bar container of a quantum dot bar and a backlight unit comprising the same is provided. In one embodiment, the quantum dot bar container includes a first fixing part including a first guide groove extending in a first direction, a second fixing part facing the first fixing part and including a second guide groove corresponding to the first guide groove, and a plurality of first connection parts each connecting the first fixing part and the second fixing part. The quantum dot bar including quantum dots is slidably inserted between the first guide groove and the second guide groove.
    Type: Application
    Filed: June 3, 2014
    Publication date: August 13, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventor: Hyun Chul BAE
  • Publication number: 20150212259
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Application
    Filed: April 13, 2015
    Publication date: July 30, 2015
    Inventors: Joo-Young KIM, Hyun-Chul BAE, Jae-Chang CHOI, Seong-Sik CHOI
  • Patent number: 9046635
    Abstract: A liquid crystal display (“LCD”) module includes a backlight assembly emitting light, a LCD panel overlapping the backlight assembly, and an upper cover. The backlight includes a light source module emitting the light, a light guide plate (“LGP”) including edges and a middle portion, and a LGP support overlapping the edges of the LGP. The LGP support includes a plurality of LGP supporting pieces connected to each other so as to form a polygonal shape, each of the LGP supporting pieces including a LGP supporting portion including a LGP supporting surface overlapping the edges of the LGP, and the LGP supporting surfaces of each of the LGP supporting pieces of the LGP support are placed on a same plane. Opposing LGP supporting pieces are interconnected by an LCD module mounting member.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Chul Bae, Jae-Sang Lee, Seong-Sik Choi, Hee-June Kwak, Sang-Hyeok Lee
  • Patent number: 9030621
    Abstract: Provided is a liquid crystal display (LCD) with improved heat dissipation and reduced thickness. The LCD includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (LGP) which is disposed in the lower housing in such a way that side surfaces of the LGP face the point light sources.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Young Kim, Hyun-Chul Bae, Jae-Chang Choi, Seong-Sik Choi
  • Patent number: 8888354
    Abstract: A backlight assembly includes a light guide plate having at least five sides. There is a first side. A second side is parallel to and equal in length to the first side. A third side is perpendicular to the first and second sides. A fourth side is parallel to and shorter in length than the third side. There is at least one oblique side connecting the fourth side to the first or second side. The backlight assembly additionally includes a light source unit disposed the fourth side and the oblique side of the light guide plate.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Young Song, Jae-Joong Kwon, Seul-Gi Kim, Hyun-Chul Bae, Si-Joon Song, Sang-Chul Byun, Dong-Hyeon Lee
  • Patent number: 8734001
    Abstract: A backlight assembly includes a receiving container, a first light source module and a first light source cover. The receiving container includes a bottom portion, a first sidewall and a second sidewall connected to the bottom portion. The first light source module is supported by the bottom portion and adjacent to the first side wall. The first light source cover makes contact with an exterior surface of the first sidewall. The first light source cover surrounds the second sidewall so that a first end portion of the first light source cover covers the first light source module.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Chul Bae, Cheol-Yong Noh, Seong-Sik Choi
  • Patent number: 8736789
    Abstract: An LCD module including an LCD panel and a backlight unit disposed under the LCD panel is provided. The backlight unit has a bottom chassis, a lamp, a socket, and a balance board. The bottom chassis receives the lamp, the socket, and the balance board therein. The balance board is fixed to the bottom chassis. The socket is coupled with the balance board and the lamp.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwi Kim, Hyun-Chul Bae, Seong-Sik Choi
  • Patent number: 8491142
    Abstract: Provided is a backlight assembly which can be assembled with increased efficiency and has improved reliability. The backlight assembly includes a fluorescent lamp which includes a fluorescent lamp tube and a pair of lamp leads formed at each end of the fluorescent lamp tube, end caps which surround each end of the fluorescent lamp tube and fix the lamp leads in place, and a power supply terminal units which supply power to the lamp leads, wherein an end cap exposes at least part of each of the lamp leads corresponding thereto.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: July 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun-Chul Bae
  • Publication number: 20130044508
    Abstract: A backlight assembly includes a light emitting part, a light guide plate and a lower receiving container. The light guide plate includes a side surface and a light exiting surface. The lower receiving container includes a heat sinking part and a rigid part having a strength greater than the heat sinking part.
    Type: Application
    Filed: March 1, 2012
    Publication date: February 21, 2013
    Inventors: Hyun-Chul Bae, Dong-Hyeon Lee, Seong-Sik Choi, Si-Joon Song