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).
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Publication number: 20200007239Abstract: 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: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Inventors: Chul Woo KIM, Sang Geun BAE, Hyun Su PARK, Choong Hwan LEE
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Patent number: 10447402Abstract: 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: GrantFiled: October 30, 2017Date of Patent: October 15, 2019Assignees: SK HYNIX INC., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Chul Woo Kim, Sang Geun Bae, Hyun Su Park, Choong Hwan Lee
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Patent number: 10393949Abstract: 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: GrantFiled: August 18, 2017Date of Patent: August 27, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kyu-Hun Shim, Hyun Su Park, Min Su Jung
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Patent number: 10281765Abstract: 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: GrantFiled: August 1, 2017Date of Patent: May 7, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kyu-Hun Shim, Hyun Su Park, Min Su Jung
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Publication number: 20180294883Abstract: 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: ApplicationFiled: October 30, 2017Publication date: October 11, 2018Inventors: Chul Woo KIM, Sang Geun BAE, Hyun Su PARK, Choong Hwan LEE
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Publication number: 20180059314Abstract: 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: ApplicationFiled: August 18, 2017Publication date: March 1, 2018Inventors: Kyu-Hun SHIM, Hyun Su PARK, Min Su JUNG
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Publication number: 20180039136Abstract: 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: ApplicationFiled: August 1, 2017Publication date: February 8, 2018Inventors: Kyu-Hun SHIM, Hyun Su PARK, Min Su JUNG
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Patent number: 9423653Abstract: 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: GrantFiled: June 16, 2014Date of Patent: August 23, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Chang Lee, Byung Kook Sim, Sung-Hun Lee, Masaru Matsuzawa, Hyun Su Park
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Patent number: 9395477Abstract: 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: GrantFiled: July 9, 2014Date of Patent: July 19, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-Sung Im, Hyun-Su Park, Gyu-Su Lee
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Publication number: 20160037655Abstract: 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: ApplicationFiled: February 11, 2015Publication date: February 4, 2016Inventors: Dong Sung Im, Hyun Su Park, Gyu Su Lee
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Patent number: 9194571Abstract: 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: GrantFiled: June 5, 2013Date of Patent: November 24, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Su Park, Jae-Sang Lee, Sang-Hyeok Lee, Ki-Hwan Baek
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Publication number: 20150245506Abstract: 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: ApplicationFiled: July 9, 2014Publication date: August 27, 2015Inventors: Dong-Sung IM, Hyun-Su PARK, Gyu-Su LEE
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Publication number: 20150016090Abstract: 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: ApplicationFiled: June 16, 2014Publication date: January 15, 2015Inventors: Ki Chang LEE, Byung Kook SIM, Sung-Hun LEE, Masaru MATSUZAWA, Hyun Su PARK
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Patent number: 8634382Abstract: 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: GrantFiled: February 25, 2011Date of Patent: January 21, 2014Assignee: 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
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Publication number: 20130265526Abstract: 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: ApplicationFiled: June 5, 2013Publication date: October 10, 2013Inventors: Hyun-Su PARK, Jae-Sang LEE, Sang-Hyeok LEE, Ki-Hwan BAEK
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Patent number: 8279367Abstract: 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: GrantFiled: May 15, 2009Date of Patent: October 2, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Il Kim, Hyun-Su Park, Young-Ho Lee, Jae-Hwan Chun, Sung-Won Chung
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Patent number: 8251724Abstract: 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: GrantFiled: December 22, 2009Date of Patent: August 28, 2012Assignee: 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
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Publication number: 20110317573Abstract: 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: ApplicationFiled: February 25, 2011Publication date: December 29, 2011Applicant: 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
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Patent number: 7980724Abstract: 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: GrantFiled: March 25, 2009Date of Patent: July 19, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Won Chung, Hyun-Su Park
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Patent number: D822662Type: GrantFiled: January 12, 2017Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Kim, Hyun Su Park, Kyu-Hun Shim, Min Su Jung