Patents by Inventor Ki-Won Choi
Ki-Won Choi 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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Patent number: 11939240Abstract: A sterilizing device includes a pipe having an inlet and an outlet and allowing fluid to move therethrough and a light source provided on one side of the pipe and providing light to the fluid. At least a portion of the pipe is provided in a spiral shape and the inlet and/or the outlet are arranged in a light emitting region.Type: GrantFiled: December 21, 2022Date of Patent: March 26, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jae Young Choi, Shi Hyun Ahn, Ki Yon Park, Woong Ki Jeong, Kyu Won Han
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Patent number: 11940734Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space therein; a supply line having a first open/close valve installed thereon and configured to supply a treating fluid to the treating space; a heater installed on the supply line and configured to heat the treating fluid; an exhaust line having a second open/close valve installed thereon and configured to exhaust the treating space; and, a controller configured to control the first open/close value and the second open/close valve such that the treating fluid heated is supplied to and exhausted from the treating space before a treating process is performed on a substrate in the treating space.Type: GrantFiled: April 21, 2022Date of Patent: March 26, 2024Assignee: SEMES CO., LTD.Inventors: Ki Hoon Choi, Eung Su Kim, Pil Kyun Heo, Jin Yeong Sung, Hae-Won Choi, Anton Koriakin, Joon Ho Won
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Patent number: 11913098Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.Type: GrantFiled: March 22, 2021Date of Patent: February 27, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation FoundationInventors: Kyung Sik Choi, Hoo Dam Lee, Tae Gyu Lee, Byung Ho Min, Young Jun Kwon, Keun Won Lee, Yoon Jung Won, Ki Sub Cho
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Patent number: 9603214Abstract: A light emitting device (LED) array module includes at least one terminal, a light emitting device (LED) array, and a rank storing device. The LED array includes a plurality of LEDs that emit light when a current is supplied from the outside of the LED array module. The rank storing device is configured to store rank information of the LED array that depends on brightness characteristics of the LEDs, and to output a signal corresponding to the rank information via the at least one terminal.Type: GrantFiled: April 21, 2016Date of Patent: March 21, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-pil Nam, Ki-won Choi
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Publication number: 20160234903Abstract: A light emitting device (LED) array module includes at least one terminal, a light emitting device (LED) array, and a rank storing device. The LED array includes a plurality of LEDs that emit light when a current is supplied from the outside of the LED array module. The rank storing device is configured to store rank information of the LED array that depends on brightness characteristics of the LEDs, and to output a signal corresponding to the rank information via the at least one terminal.Type: ApplicationFiled: April 21, 2016Publication date: August 11, 2016Inventors: Kyung-pil NAM, Ki-won CHOI
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Patent number: 9326337Abstract: A light emitting device (LED) array module includes at least one terminal, a light emitting device (LED) array, and a rank storing device. The LED array includes a plurality of LEDs that emit light when a current is supplied from the outside of the LED array module. The rank storing device is configured to store rank information of the LED array that depends on brightness characteristics of the LEDs, and to output a signal corresponding to the rank information via the at least one terminal.Type: GrantFiled: February 12, 2014Date of Patent: April 26, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-Pil Nam, Ki-Won Choi
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Patent number: 9265108Abstract: There is provided a light source apparatus including at least one light emitting diode (LED) string including at least one light emitting diode and at least one inductance unit generating an induced current according to a change in a current applied to the light emitting diode, a main switch controlling power applied to the LED string according to an on/off switching operation, and a capacitor charged with a voltage of the power applied to the LED string when the main switch is switched on and applying the charged voltage to the LED string when the main switch is switched off.Type: GrantFiled: September 6, 2013Date of Patent: February 16, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Woo Lee, Sun Ki Kim, Kyung Pil Nam, Sung Min Jang, Ki Won Choi
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Publication number: 20160009216Abstract: A light source module may include a frame part having a plurality of mounting regions arranged to be positioned on different levels and a plurality of light emitting units detachably mounted on the plurality of mounting regions. Each of the plurality of light emitting units includes a base disposed on each mounting region, and a light emitting device disposed above the base and positioned spaced-apart from the mounting region so as to form a space through which air flows, between the mounting region and the light emitting device.Type: ApplicationFiled: April 6, 2015Publication date: January 14, 2016Inventors: Jin Kwan SONG, Ki Won CHOI
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Patent number: 9155146Abstract: There is provided a light source apparatus including at least one light emitting diode (LED) string including at least one light emitting diode and at least one inductance unit for generating an induced current according to a change in a current applied to the light emitting diode. A main switch controls power applied to the LED string according to an on/off switching operation A capacitor is charged with a voltage of the power applied to the LED string when the main switch is switched on, and applies the charged voltage to the LED string when the main switch is switched off.Type: GrantFiled: September 9, 2013Date of Patent: October 6, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Woo Lee, Sun Ki Kim, Kyung Pil Nam, Sung Min Jang, Ki Won Choi
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Patent number: 8939636Abstract: A light source assembly includes a plurality of light source modules detachably connected to one another. Each light source module includes a frame part, an electrical connection part, and at least one light emitting device. The frame part includes a female coupling disposed in one side surface thereof and a male coupling disposed on another side surface thereof and configured to be engaged with a female coupling of another light source module of the plurality. The electrical connection part is disposed on an upper surface of the frame part and extends onto the one side surface having the female coupling disposed therein and onto the other side surface having the female coupling disposed thereon. The at least one light emitting device is mounted on the electrical connection part and disposed on the upper surface of the frame part.Type: GrantFiled: July 12, 2013Date of Patent: January 27, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Ki Won Choi, Yeon Woo Lee
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Publication number: 20140225517Abstract: A light emitting device (LED) array module includes at least one terminal, a light emitting device (LED) array, and a rank storing device. The LED array includes a plurality of LEDs that emit light when a current is supplied from the outside of the LED array module. The rank storing device is configured to store rank information of the LED array that depends on brightness characteristics of the LEDs, and to output a signal corresponding to the rank information via the at least one terminal.Type: ApplicationFiled: February 12, 2014Publication date: August 14, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-pil NAM, Ki-won CHOI
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Publication number: 20140218954Abstract: Provided is a light-emitting device package module including a light-emitting device; a first circuit board receiving the light-emitting device, and electrically connected with the light-emitting device; and a second circuit board assembled with the first circuit board by using a connection member, and electrically connected with the first circuit board.Type: ApplicationFiled: December 2, 2013Publication date: August 7, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-jeong YOON, Ki-won CHOI
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Publication number: 20140140062Abstract: A light source assembly includes a plurality of light source modules detachably connected to one another. Each light source module includes a frame part, an electrical connection part, and at least one light emitting device. The frame part includes a female coupling disposed in one side surface thereof and a male coupling disposed on another side surface thereof and configured to be engaged with a female coupling of another light source module of the plurality. The electrical connection part is disposed on an upper surface of the frame part and extends onto the one side surface having the female coupling disposed therein and onto the other side surface having the female coupling disposed thereon. The at least one light emitting device is mounted on the electrical connection part and disposed on the upper surface of the frame part.Type: ApplicationFiled: July 12, 2013Publication date: May 22, 2014Inventors: Ki Won CHOI, Yeon Woo LEE
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Publication number: 20140070714Abstract: There is provided a light source apparatus including at least one light emitting diode (LED) string including at least one light emitting diode and at least one inductance unit for generating an induced current according to a change in a current applied to the light emitting diode. A main switch controls power applied to the LED string according to an on/off switching operation A capacitor is charged with a voltage of the power applied to the LED string when the main switch is switched on, and applies the charged voltage to the LED string when the main switch is switched off.Type: ApplicationFiled: September 9, 2013Publication date: March 13, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Woo LEE, Sun Ki KIM, Kyung Pil NAM, Sung Min JANG, Ki Won CHOI
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Publication number: 20140070712Abstract: There is provided a light source apparatus including at least one light emitting diode (LED) string including at least one light emitting diode and at least one inductance unit generating an induced current according to a change in a current applied to the light emitting diode, a main switch controlling power applied to the LED string according to an on/off switching operation, and a capacitor charged with a voltage of the power applied to the LED string when the main switch is switched on and applying the charged voltage to the LED string when the main switch is switched off.Type: ApplicationFiled: September 6, 2013Publication date: March 13, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Woo LEE, Sun Ki KIM, Kyung Pil NAM, Sung Min JANG, Ki Won CHOI
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Publication number: 20120181569Abstract: A light-emitting device package including: a substrate including a first surface and a second surface; a light-emitting chip mounted on the first surface; and an electrode pad portion that is disposed on the second surface and electrically connects the light-emitting chip to an external device, wherein the electrode pad portion has a shape with rotational symmetry with respect to a predetermined angle when a normal line running through a center of the second surface is used as a rotation axis.Type: ApplicationFiled: December 28, 2011Publication date: July 19, 2012Inventor: Ki-won Choi
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Publication number: 20120085383Abstract: A solar cell module having a reduced thickness using a flip-chip approach includes a transparent substrate, a transparent electrode interconnection disposed on the transparent substrate, and a plurality of solar cells disposed on the transparent electrode interconnection, each solar cell having at least one protrusion formed on one surface of the solar cell, the protrusion being bonded to the transparent electrode interconnection.Type: ApplicationFiled: June 14, 2011Publication date: April 12, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-Sang Cho, So-Young Lim, Tae-Hong Min, Ki-Won Choi
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Patent number: 8084359Abstract: A semiconductor package includes a semiconductor chip having first and second pads, a first insulation layer pattern formed on the semiconductor chip and having first and second openings that expose the first and the second pads, respectively, a first conductive layer pattern elongated along the first insulation layer pattern from the first pad, a first external terminal formed on the first conductive layer pattern, a second insulation layer pattern formed on the first conductive layer pattern and the first insulation layer pattern to expose the first external terminal and having a third opening in communication with the second opening, a second conductive layer pattern elongated along the second insulation layer pattern from the second pad, and a second external terminal formed on the second conductive layer pattern.Type: GrantFiled: February 12, 2010Date of Patent: December 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Se-Ho You, Ki-Won Choi, Eun-Seok Song
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Publication number: 20100167423Abstract: A semiconductor package includes a semiconductor chip having first and second pads, a first insulation layer pattern formed on the semiconductor chip and having first and second openings that expose the first and the second pads, respectively, a first conductive layer pattern elongated along the first insulation layer pattern from the first pad, a first external terminal formed on the first conductive layer pattern, a second insulation layer pattern formed on the first conductive layer pattern and the first insulation layer pattern to expose the first external terminal and having a third opening in communication with the second opening, a second conductive layer pattern elongated along the second insulation layer pattern from the second pad, and a second external terminal formed on the second conductive layer pattern.Type: ApplicationFiled: February 12, 2010Publication date: July 1, 2010Inventors: Se-Ho You, Ki-Won Choi, Eun-Seok Song
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Publication number: 20080099885Abstract: A semiconductor package includes a semiconductor chip having first and second pads, a first insulation layer pattern formed on the semiconductor chip and having first and second openings that expose the first and the second pads, respectively, a first conductive layer pattern elongated along the first insulation layer pattern from the first pad, a first external terminal formed on the first conductive layer pattern, a second insulation layer pattern formed on the first conductive layer pattern and the first insulation layer pattern to expose the first external terminal and having a third opening in communication with the second opening, a second conductive layer pattern elongated along the second insulation layer pattern from the second pad, and a second external terminal formed on the second conductive layer pattern.Type: ApplicationFiled: October 23, 2007Publication date: May 1, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Se-Ho YOU, Ki-Won CHOI, Eun-Seok SONG