Patents by Inventor Hyun-Su Park

Hyun-Su Park 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: 20200007239
    Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Chul Woo KIM, Sang Geun BAE, Hyun Su PARK, Choong Hwan LEE
  • Patent number: 10447402
    Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: October 15, 2019
    Assignees: SK HYNIX INC., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Chul Woo Kim, Sang Geun Bae, Hyun Su Park, Choong Hwan Lee
  • Patent number: 10393949
    Abstract: A light emitting module includes a light guide, a first light source, and a second light source. The light guide includes a first face, a second face oriented not parallel to the first face, a third face connected between the first face and the second face, and a light-emitting surface larger than each of the first face, the second face, and the third face. The first light source faces the first face. No light source is positioned between the first light source and an edge of the first face. The second light source faces the third face. No light source is positioned between the second light source and an edge of the third face. A distance from the second light source to the edge of the third face is greater than a distance from the first light source to the edge of the first face.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Hun Shim, Hyun Su Park, Min Su Jung
  • Patent number: 10281765
    Abstract: An exemplary embodiment provides a backlight unit including: a bottom chassis; a supporter positioned to extend along one edge of the bottom chassis; a light source unit fixed to the supporter; and a light guide plate that is positioned on the bottom chassis and is configured to transmit light emitted from a light source of the light source unit. The supporter may include a main body of which at least one corner area is cut and an insertion portion that is positioned at the corner area. Each of the main body and the insertion portion may include a base portion and a side wall, and the side wall of the insertion portion may extend from the side wall of the main body and in a direction different than a direction of the side wall of the main body.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Hun Shim, Hyun Su Park, Min Su Jung
  • Publication number: 20180294883
    Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.
    Type: Application
    Filed: October 30, 2017
    Publication date: October 11, 2018
    Inventors: Chul Woo KIM, Sang Geun BAE, Hyun Su PARK, Choong Hwan LEE
  • Publication number: 20180059314
    Abstract: A light emitting module includes a light guide, a first light source, and a second light source. The light guide includes a first face, a second face oriented not parallel to the first face, a third face connected between the first face and the second face, and a light-emitting surface larger than each of the first face, the second face, and the third face. The first light source faces the first face. No light source is positioned between the first light source and an edge of the first face. The second light source faces the third face. No light source is positioned between the second light source and an edge of the third face. A distance from the second light source to the edge of the third face is greater than a distance from the first light source to the edge of the first face.
    Type: Application
    Filed: August 18, 2017
    Publication date: March 1, 2018
    Inventors: Kyu-Hun SHIM, Hyun Su PARK, Min Su JUNG
  • Publication number: 20180039136
    Abstract: An exemplary embodiment provides a backlight unit including: a bottom chassis; a supporter positioned to extend along one edge of the bottom chassis; a light source unit fixed to the supporter; and a light guide plate that is positioned on the bottom chassis and is configured to transmit light emitted from a light source of the light source unit. The supporter may include a main body of which at least one corner area is cut and an insertion portion that is positioned at the corner area. Each of the main body and the insertion portion may include a base portion and a side wall, and the side wall of the insertion portion may extend from the side wall of the main body and in a direction different than a direction of the side wall of the main body.
    Type: Application
    Filed: August 1, 2017
    Publication date: February 8, 2018
    Inventors: Kyu-Hun SHIM, Hyun Su PARK, Min Su JUNG
  • Patent number: 9423653
    Abstract: A backlight unit includes: a bottom chassis including a lower portion and side portions enclosing the lower portion; a light source plate to which a light source is attached; a diffuser configured to diffuse light generated from the light source; an optical sheet disposed on the diffuser and adapted to further diffuse the light diffused by the diffuser; and a first mold including a first inclined portion which is disposed between the diffuser and the optical sheet and may prevent the diffuser and the optical sheet from contacting each other, the first inclined portion may reflect light transmitted by the diffuser and emitted from the side of the diffuser toward the bottom chassis.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Chang Lee, Byung Kook Sim, Sung-Hun Lee, Masaru Matsuzawa, Hyun Su Park
  • Patent number: 9395477
    Abstract: A display apparatus includes a display panel configured to display an image, a receiving container configured to receive the display panel, a buffering member disposed between the display panel and the receiving container, the buffering member including a first buffering portion which contacts the receiving container, and a second buffering portion which contacts the display panel and includes a first portion and a second portion which are independently compressible.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Im, Hyun-Su Park, Gyu-Su Lee
  • Publication number: 20160037655
    Abstract: A display device includes a display panel; an upper frame configured to cover an edge portion of an upper surface and side surfaces of the display panel; a pad between the display panel and the upper frame; and a film member between the pad and the display panel.
    Type: Application
    Filed: February 11, 2015
    Publication date: February 4, 2016
    Inventors: Dong Sung Im, Hyun Su Park, Gyu Su Lee
  • Patent number: 9194571
    Abstract: A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Su Park, Jae-Sang Lee, Sang-Hyeok Lee, Ki-Hwan Baek
  • Publication number: 20150245506
    Abstract: A display apparatus includes a display panel configured to display an image, a receiving container configured to receive the display panel, a buffering member disposed between the display panel and the receiving container, the buffering member including a first buffering portion which contacts the receiving container, and a second buffering portion which contacts the display panel and includes a first portion and a second portion which are independently compressible.
    Type: Application
    Filed: July 9, 2014
    Publication date: August 27, 2015
    Inventors: Dong-Sung IM, Hyun-Su PARK, Gyu-Su LEE
  • Publication number: 20150016090
    Abstract: A backlight unit includes: a bottom chassis including a lower portion and side portions enclosing the lower portion; a light source plate to which a light source is attached; a diffuser configured to diffuse light generated from the light source; an optical sheet disposed on the diffuser and adapted to further diffuse the light diffused by the diffuser; and a first mold including a first inclined portion which is disposed between the diffuser and the optical sheet and may prevent the diffuser and the optical sheet from contacting each other, the first inclined portion may reflect light transmitted by the diffuser and emitted from the side of the diffuser toward the bottom chassis.
    Type: Application
    Filed: June 16, 2014
    Publication date: January 15, 2015
    Inventors: Ki Chang LEE, Byung Kook SIM, Sung-Hun LEE, Masaru MATSUZAWA, Hyun Su PARK
  • Patent number: 8634382
    Abstract: A station device includes an output unit that outputs a massage, a communication unit that communicates with a wireless access point which is movable from one place to another place, a determination unit that determines current communication performance with the wireless access point, a storage unit that stores the determined current communication performance, and a controller that compares the current communication performance with pre-stored previous communication performance and controls the output unit to output a message according to a result of the comparison.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: January 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-seop Shim, Hyun-su Park, Yun-seoph Kim, Deok-nam Kim, Hyung-seok Han, Sang-u Shim, Moo-hyun Lee
  • Publication number: 20130265526
    Abstract: A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.
    Type: Application
    Filed: June 5, 2013
    Publication date: October 10, 2013
    Inventors: Hyun-Su PARK, Jae-Sang LEE, Sang-Hyeok LEE, Ki-Hwan BAEK
  • Patent number: 8279367
    Abstract: A backlight assembly includes a lamp socket unit, a printed circuit board and a lower receiving container. The printed circuit board includes a cutout portion which receives the lamp socket unit therethrough. The lower receiving container receives the lamp socket unit and the printed circuit board. The lamp socket unit is coupled to the printed circuit board, and the printed circuit board, having the lamp socket unit coupled thereto, is disposed in the lower receiving container.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Il Kim, Hyun-Su Park, Young-Ho Lee, Jae-Hwan Chun, Sung-Won Chung
  • Patent number: 8251724
    Abstract: Provided are a lamp socket structured to realize a slimmer display device, and a display device having the lamp socket. The lamp socket includes: a body portion; a connection terminal for connection of the lamp socket to a terminal of a lamp; a compliant portion which connects the body portion and the connection terminal and includes a first portion connected to the connection terminal and a second portion connected to the body portion; and one or more fixing portions which extend from the body portion, wherein the first portion and the second portion at least partially overlap each other.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Hyeok Lee, Jae-Hwan Chun, Jung-Ki Kim, Hyun-Su Park, Jae-Sang Lee, Jeong-Ki Kim, Ki-Hwan Baek, Kyu-Hun Shim
  • Publication number: 20110317573
    Abstract: A station device includes an output unit that outputs a massage, a communication unit that communicates with a wireless access point which is movable from one place to another place, a determination unit that determines current communication performance with the wireless access point, a storage unit that stores the determined current communication performance, and a controller that compares the current communication performance with pre-stored previous communication performance and controls the output unit to output a message according to a result of the comparison.
    Type: Application
    Filed: February 25, 2011
    Publication date: December 29, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-seop SHIM, Hyun-su PARK, Yun-seoph KIM, Deok-nam KIM, Hyung-seok HAN, Sang-u SHIM, Moo-hyun LEE
  • Patent number: 7980724
    Abstract: A lamp guide frame includes a frame body, a plurality of openings and a plurality of lamp socket receiving portions. The frame body guides end portions of a plurality of lamps. The openings extend in a width direction of the frame body. The openings are arranged in a longitudinal direction of the frame body. Each of the lamp socket receiving portions protrudes from a lower face of the frame body partially around an associated opening to form a receiving space receiving a lamp socket inserted into the opening. The lamp socket receiving portions are open in the width direction of the frame body. The frame body and the plurality of lamps socket receiving portions collectively define a single and continuous member. The associated opening and the receiving space of the lamp socket collectively define a continuous opening.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: July 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Won Chung, Hyun-Su Park
  • Patent number: D822662
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: July 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Kim, Hyun Su Park, Kyu-Hun Shim, Min Su Jung