Patents by Inventor Young-Chun Kim
Young-Chun Kim 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: 20150036384Abstract: A light emitting module includes a first and second light source spaced apart from each other and each configured to generate and emit light; the first light source; and a metal board which is electrically connected to the first and second light sources. The metal board includes a body portion upon which the first and second light sources are disposed; first and second side portions respectively on first and second ends of the body portion; a first insulation layer which is between the body portion and the first side portion and insulates the body portion from the first side portion; and a second insulation layer which is between the body portion and the second side portion and insulates the body portion from the second side portion.Type: ApplicationFiled: April 29, 2014Publication date: February 5, 2015Applicant: Samsung Display Co., Ltd.Inventors: Young-Min PARK, Young-Chun KIM, Seok-Hyun NAM, Se-Ki PARK, Jung-Hoon SHIN, Jung-Hyun YANG
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Publication number: 20140226363Abstract: A backlight assembly includes a first light guide member; a second light guide member overlapping the first light guide member; a groove defined in the second light guide member; and a light source unit in the groove. The light source unit generates and supplies light to the first light guide member and the second light guide member.Type: ApplicationFiled: July 2, 2013Publication date: August 14, 2014Inventors: Myung-Seok KWON, So Jeong LA, Do Hun KIM, Young Chun KIM, Young-Min PARK, Jung Hoon SHIN
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Publication number: 20140158936Abstract: A photonic crystal phosphor includes a phosphor which absorbs light and emits excited light having a radiation spectrum, a first coating layer covering the phosphor and having a first thickness, and a second coating layer covering the phosphor and having a second thickness. The first coating layer has a first refractive index. The second coating layer has a second refractive index. The first coating layer is between the phosphor and the second coating layer.Type: ApplicationFiled: March 22, 2013Publication date: June 12, 2014Applicant: Samsung Display Co., LTD.Inventors: Chi-O CHO, Myeong-Ju SHIN, Dong-Yeon KANG, Dong-Hwan KIM, Ju-Young YOON, Young-Chun KIM, Jung-Kyun KIM
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Patent number: 8748902Abstract: The present invention relates to a method of manufacturing an LED device which emits light of multi-wavelengths. The invention also relates to a method of manufacturing LED devices which emit light of high quality from throughout the whole surface in a uniform manner. In particular, utilizing the manufacturing method of LED devices which emit light of multi-wavelengths makes it possible to produce LED devices of high quality in a simple and cost-efficient way, not by using adhesives, but by a sputtering or PLD method. In addition, since the characteristics of the desired emitted light can be controlled by controlling the amount and type of the phosphors during the manufacture of sputtering targets, high quality LED devices can be manufactured easily.Type: GrantFiled: May 12, 2011Date of Patent: June 10, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyo Chul Yun, Geum Jae Jo, Young Chun Kim, Dong Hyun Cho
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Publication number: 20140104541Abstract: A backlight unit for a display device includes a light source module which emits light, a light guiding plate which guides the light incident from the light source module toward a front surface thereof, and a light beam spread angle regulating sheet disposed between the light source module and a lateral surface of the light guiding plate, where the light beam spread angle regulating sheet regulates a light beam spread angle of the light incident from the light source module.Type: ApplicationFiled: February 6, 2013Publication date: April 17, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Min PARK, Kyung-Min KIM, Young Chun KIM, Jung Hoon SHIN
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Publication number: 20140077430Abstract: A shock absorber for a bump stopper includes a plurality of corrugated projection 12 and corrugated groove 13 which is formed in equal interval around outside of an elastic synthetic resin body 11 having a thickness of 1.5 mm˜5 mm; a locking member 14 formed to mount the shock absorber on the top of the body 11; a through hole 15 formed inside the locking member 14; a leading hole 17 formed to lead cylinder lot L in the central part of a shock absorbing plate 16 forming the lower side of the body 11; a wedge hanging projection 14a formed in the locking member 14 of the body; and an O-ring shock absorbing member T to ease the impact applied to a bent part R in contraction of a body 11, in a “<” or “>”-type bent part R.Type: ApplicationFiled: September 14, 2012Publication date: March 20, 2014Inventors: Yong-Hoon HEO, Young-Chun KIM
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Patent number: 8513036Abstract: A photonic quantum ring (PQR) laser includes an active layer having a multi-quantum-well (MQW) structure and etched lateral face. The active layer is formed to be sandwiched between p-GaN and n-GaN layers epitaxially grown on a reflector disposed over a support substrate. A coating layer is formed over an outside of the lateral faces of the active layer, and upper electrode is electrically connected to an upper portion of the n-GaN layer, and a distributed Bragg reflector (DBR) is formed over the n-GaN layer and the upper electrode. Accordingly, the PQR laser is capable of oscillating a power-saving vertically dominant 3D multi-mode laser suitable for a low power display device, prevent the light speckle phenomenon, and generate focus-adjusted 3D soft light.Type: GrantFiled: June 15, 2012Date of Patent: August 20, 2013Assignee: Postech Academy-Industry FoundationInventors: O Dae Kwon, Mi-Hyang Shin, Seung Eun Lee, Young-Heub Jang, Young Chun Kim, Junho Yoon
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Patent number: 8445166Abstract: There is provided a method of fabricating a lithography mask, the method including: forming a transparent polymer layer on a surface of a first substrate where a convex-concave pattern is formed; separating the transparent polymer layer from the first substrate, the transparent polymer layer having a convex-concave surface formed by the convex-concave pattern of the first substrate transferred thereonto; depositing a metal thin film on the convex-concave surface; forming a viscous film on a second substrate; disposing the transparent polymer layer on the second substrate such that the viscous film and metal thin film are partially bonded together; and separating the transparent polymer layer from the second substrate such that a portion of the metal thin film bonded to the viscous film is removed, wherein a metal thin film pattern having the portion of the metal thin film removed therefrom is formed on the convex-concave surface.Type: GrantFiled: December 12, 2008Date of Patent: May 21, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Ho Young Song, Dong You Kim, Won Ho Jung, Young Jin Cho, Young Chun Kim
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Patent number: 8431187Abstract: Disclosed herein is a method of producing a filter medium for treating medium and high temperature exhaust gas using foam coating and a filter medium produced using the method. The filter medium has excellent heat resistance and heat contraction resistance, and exhibits partial dust collection efficiency of 99% or more by weight, total dust collection efficiency of 99.999% or more by weight, and high dust removal efficiency, for all dust particle sizes. Further, the filter media can be efficiently used to treat medium and high temperature exhaust gas because pores having an average pore size of 30 ?m or less are uniformly distributed on the surface of the filter media.Type: GrantFiled: December 28, 2007Date of Patent: April 30, 2013Assignee: Korea Institute of Industrial TechnologyInventors: Gyung Soo Kim, Sang Bum Kim, Myong-Hwa Lee, Young-Chun Kim, Seung Je Lee, Byung Hyun Park
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Publication number: 20120252146Abstract: A photonic quantum ring (PQR) laser includes an active layer having a multi-quantum-well (MQW) structure and etched lateral face. The active layer is formed to be sandwiched between p-GaN and n-GaN layers epitaxially grown on a reflector disposed over a support substrate. A coating layer is formed over an outside of the lateral faces of the active alyer, and upper electrode is electrically connected to an upper portion of the n-GaN layer, and a distributed Bragg reflector (DBR) is formed over the n-GaN layer and the upper electrode. Accordingly, the PQR laser is capable of oscillating a power-saving vertically dominant 3D multi-mode laser suitable for a low power display device, prevent the light speckle phenomenon, and generate focus-adjusted 3D soft light.Type: ApplicationFiled: June 15, 2012Publication date: October 4, 2012Applicant: Postech Academy-Industry FoundationInventors: O Dae KWON, Mi-hyang SHIN, Seung Eun LEE, Young-heub JANG, Young Chun KIM, Junho YOON
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METHOD AND APPARATUS FOR NOISE AND ECHO CANCELLATION FOR TWO MICROPHONE SYSTEM SUBJECT TO CROSS-TALK
Publication number: 20120128168Abstract: A method and apparatus for joint noise and echo cancellation of a two microphone system subject to cross-talk. The method includes estimating the reference output by removing the cross-talk and the estimated echo from the reference channel, when an echo is detected in the reference echo signal, adapting filters H13 and H23 by NLMS, when the estimated primary output includes speech, adapting filters H12 and H21 by de-correlation, when neither echo nor speech is detected, adapting filter H12 is adapted by NLMS, obtaining the primary output and the reference output by post-filtering of the estimated primary output and the estimated reference output, respectively, and utilizing the primary output and the reference output for canceling the echo and noise of a two microphone system subject to cross-talk.Type: ApplicationFiled: November 17, 2011Publication date: May 24, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Baboo Vikrhamsingh Gowreesunker, Young Chun Kim -
Publication number: 20110273083Abstract: The present invention relates to a method of manufacturing an LED device which emits light of multi-wavelengths. The invention also relates to a method of manufacturing LED devices which emit light of high quality from throughout the whole surface in a uniform manner. In particular, utilizing the manufacturing method of LED devices which emit light of multi-wavelengths makes it possible to produce LED devices of high quality in a simple and cost-efficient way, not by using adhesives, but by a sputtering or PLD method. In addition, since the characteristics of the desired emitted light can be controlled by controlling the amount and type of the phosphors during the manufacture of sputtering targets, high quality LED devices can be manufactured easily.Type: ApplicationFiled: May 12, 2011Publication date: November 10, 2011Applicant: SAMSUNG LED CO., LTD.Inventors: Hyo Chul Yun, Geum Jae Jo, Young Chun Kim, Dong Hyun Cho
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Patent number: 7965036Abstract: The present invention relates to a method of manufacturing an LED device which emits light of multi-wavelengths. The invention also relates to a method of manufacturing LED devices which emit light of high quality from throughout the whole surface in a uniform manner. In particular, utilizing the manufacturing method of LED devices which emit light of multi-wavelengths makes it possible to produce LED devices of high quality in a simple and cost-efficient way, not by using adhesives, but by a sputtering or PLD method. In addition, since the characteristics of the desired emitted light can be controlled by controlling the amount and type of the phosphors during the manufacture of sputtering targets, high quality LED devices can be manufactured easily.Type: GrantFiled: January 9, 2007Date of Patent: June 21, 2011Assignee: Samsung Co., Ltd.Inventors: Hyo Chul Yun, Geum Jae Jo, Young Chun Kim, Dong Hyun Cho
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Publication number: 20100315478Abstract: Provided are a semiconductor laser diode, and a printhead and an image forming apparatus including the semiconductor laser diode. The semiconductor laser diode includes a concave-convex pattern, and emits light having a Gaussian light intensity distribution. High quality images are provided by applying the semiconductor laser diode to a printhead and an image forming apparatus.Type: ApplicationFiled: January 27, 2010Publication date: December 16, 2010Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY-FOUNDATIONInventors: An-sik Choi, O-dae Kwon, Jae-hwan Yoo, Young-chun Kim, Kwang-hyun Chae, Cheng-hoon Kim, Mi-hyang Shin
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Publication number: 20100265977Abstract: A photonic quantum ring (PQR) laser includes an active layer having a multi-quantum-well (MQW) structure and etched lateral face. The active layer is formed to be sandwitched between p-GaN and n-GaN layers epitaxially grown on a reflector disposed over a support substrate. A coating layer is formed over an outside of the lateral faces of the active layer, an upper electrode is electrically connected to an upper portion of the n-GaN layer, and a distributed Bragg reflector (DBR) is formed over the n-GaN layer and the upper electrode. Accordingly, the PQR laser is capable of oscillating a power-saving vertically dominant 3D multi-mode laser suitable for a low power display device, prevent the light speckle phenomenon, and generate focus-adjusted 3D soft light.Type: ApplicationFiled: October 16, 2008Publication date: October 21, 2010Applicant: Postech Academy-Industry FoundationInventors: O Dae Kwon, Mi-Hyang Shin, Seung Eun Lee, Young-Heub Jang, Young Chun Kim, Junho Yoon
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Patent number: 7672699Abstract: A driving apparatus enables a sliding-type portable wireless terminal to be opened or closed with reduced noise and through multiple stages of opening. The portable wireless terminal may have various functions corresponding to each of the multiple stages. The driving apparatus comprises: a main body; a sub body sliding in a longitudinal direction of the main body, so as to be opened from or closed onto the main body; a first magnetic module provided at a rear surface of the sub body and having a first magnet, the first magnet having a first polarity and extending in a longitudinal direction of the first magnet; and a second magnetic module provided at a front surface of the main body and having a second magnet, the second magnet having a second polarity and being opposed to the first magnet.Type: GrantFiled: June 16, 2004Date of Patent: March 2, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Yang Kim, Jong-Won Ha, Young-Chun Kim
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Publication number: 20100015535Abstract: There is provided a method of fabricating a lithography mask, the method including: forming a transparent polymer layer on a surface of a first substrate where a convex-concave pattern is formed; separating the transparent polymer layer from the first substrate, the transparent polymer layer having a convex-concave surface formed by the convex-concave pattern of the first substrate transferred thereonto; depositing a metal thin film on the convex-concave surface; forming a viscous film on a second substrate; disposing the transparent polymer layer on the second substrate such that the viscous film and metal thin film are partially bonded together; and separating the transparent polymer layer from the second substrate such that a portion of the metal thin film bonded to the viscous film is removed, wherein a metal thin film pattern having the portion of the metal thin film removed therefrom is formed on the convex-concave surface.Type: ApplicationFiled: December 12, 2008Publication date: January 21, 2010Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Young Song, Dong You Kim, Won Ho Jung, Young Jin Cho, Young Chun Kim
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Publication number: 20090199528Abstract: Disclosed herein is a method of producing a filter medium for treating medium and high temperature exhaust gas using foam coating and a filter medium produced using the method. The filter medium has excellent heat resistance and heat contraction resistance, and exhibits partial dust collection efficiency of 99% or more by weight, total dust collection efficiency of 99.999% or more by weight, and high dust removal efficiency, for all dust particle sizes. Further, the filter media can be efficiently used to treat medium and high temperature exhaust gas because pores having an average pore size of 30 ?m or less are uniformly distributed on the surface of the filter media.Type: ApplicationFiled: December 28, 2007Publication date: August 13, 2009Inventors: Gyung Soo Kim, Sang Bum Kim, Myong-Hwa Lee, Young-Chun Kim, Seung Je Lee, Byung Hyun Park
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Publication number: 20090093369Abstract: Disclosed herein is a superconducting field coil of a homopolar type superconducting synchronous machine. The superconducting synchronous machine includes a superconducting field coil which comprises a single or double pancake coil formed by winding a superconducting wire, a core-type rotor which is made of a magnetic material, and an armature winding excited to three phases on a surface of a core of a stator. The field coil of the homopolar type superconducting synchronous machine is not rotated when the machine is in operation. Thus, there is no part for coupling the rotating field coil to a stationary cryo-cooler for cooling a refrigerant, so that the structure is simple, reliability is high, and various cooling methods are available.Type: ApplicationFiled: December 9, 2008Publication date: April 9, 2009Applicant: Korea Electrotechnology Research InstituteInventors: Young Kil Kwon, Ho Min Kim, Seung Kyu Baik, Eon Young Lee, Jae Deuk Lee, Sang Ho Lee, Young Chun Kim, Young Sik Jo, Gang Sik Ryu
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Publication number: 20080051163Abstract: A driving apparatus enables a sliding-type portable wireless terminal to be opened or closed with reduced noise and through multiple stages of opening. The portable wireless terminal may have various functions corresponding to each of the multiple stages. The driving apparatus comprises: a main body; a sub body sliding in a longitudinal direction of the main body, so as to be opened from or closed onto the main body; a first magnetic module provided at a rear surface of the sub body and having a first magnet, the first magnet having a first polarity and extending in a longitudinal direction of the first magnet; and a second magnetic module provided at a front surface of the main body and having a second magnet, the second magnet having a second polarity and being opposed to the first magnet.Type: ApplicationFiled: June 16, 2004Publication date: February 28, 2008Inventors: Jong-Yang Kim, Jong-Won Ha, Young-Chun Kim