Patents by Inventor Dong-Uk Choi
Dong-Uk 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).
-
Publication number: 20240145265Abstract: Proposed are a process fluid treatment apparatus capable of decomposing ozone in a process fluid more effectively, and a wafer cleaning apparatus and semiconductor manufacturing equipment including the same. The process fluid treatment apparatus treats the process fluid used for cleaning a wafer in the semiconductor manufacturing equipment, and includes a housing having an inner space configured to contain the process fluid, a spray nozzle configured to spray the process fluid containing ozone into the inner space in the form of mist, and a nozzle heater configured to heat the process fluid passing through the spray nozzle.Type: ApplicationFiled: April 29, 2023Publication date: May 2, 2024Applicant: SEMES CO., LTD.Inventors: Young Seop CHOI, Myung A JEON, Dong Uk LEE, Boo Seok YANG, Bok Kyu LEE
-
Publication number: 20240097174Abstract: The present disclosure relates to a secondary battery manufacturing system having a multi-packaging unit, in which multiple packaging units of a secondary battery manufacturing facility are provided and a transfer box on which an electrode assembly is accommodated is transferred to each packaging unit by a transfer unit, wherein the secondary battery manufacturing system includes: an electrode supply unit equipped with a plurality of stacking devices for supplying an electrode assembly in which a plurality of battery cells are stacked; a tab-welding unit; at least one packaging unit; at least one temporary buffer; and a transfer unit.Type: ApplicationFiled: September 14, 2023Publication date: March 21, 2024Inventors: Yong Uk SHIN, Sang Sik CHO, Dae Woon NAM, Dong Jin PARK, Jae Gyun CHOI, Chi Hong AN
-
Publication number: 20240079630Abstract: The present disclosure relates to a secondary battery manufacturing system in which a packaging unit of a secondary battery manufacturing facility are configured to have multiple packaging units, and having a multipackaging unit such that a transfer box in which an electrode assembly is seated is transferred to each of the packaging units by a transfer unit, and including an electrode supply unit having a plurality of stacking devices supplying an electrode assembly in which a plurality of battery cells are stacked, a tab welding unit, at least one packaging unit, at least one temporary buffer, and a transfer unit.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Inventors: Yong Uk SHIN, Sang Sik CHO, Dae Woon NAM, Dong Jin PARK, Jae Gyun CHOI, Chi Hong AN
-
Publication number: 20240081124Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.Type: ApplicationFiled: May 8, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Ho KIM, Dong Uk KIM, Hyoeng Ki KIM, Hyeon Bum LEE, Hoon Gi LEE, Chaun Gi CHOI
-
Patent number: 11925084Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.Type: GrantFiled: December 16, 2022Date of Patent: March 5, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
-
Patent number: 11925051Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.Type: GrantFiled: May 7, 2021Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong Tack Kim, Eung Seok Park, Jae Hyuk Lee, Yoon Hyeung Cho, Dong Uk Choi
-
Patent number: 11818937Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: GrantFiled: December 6, 2021Date of Patent: November 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yo Han Kim, Yong Tack Kim, Yoon Hyeung Cho, Jong Jin Park, Deok Chan Yoon, Yun Kyu Lee, Dong Uk Choi
-
Publication number: 20220093691Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Inventors: Yo Han KIM, Yong Tack KIM, Yoon Hyeung CHO, Jong Jin PARK, Deok Chan YOON, Yun Kyu LEE, Dong Uk CHOI
-
Publication number: 20220059799Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.Type: ApplicationFiled: May 7, 2021Publication date: February 24, 2022Inventors: Yong Tack KIM, Eung Seok PARK, Jae Hyuk LEE, Yoon Hyeung CHO, Dong Uk CHOI
-
Patent number: 11195884Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: GrantFiled: December 6, 2019Date of Patent: December 7, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yo Han Kim, Yong Tack Kim, Yoon Hyeung Cho, Jong Jin Park, Deok Chan Yoon, Yun Kyu Lee, Dong Uk Choi
-
Publication number: 20200258946Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: ApplicationFiled: December 6, 2019Publication date: August 13, 2020Inventors: Yo Han KIM, Yong Tack KIM, Yoon Hyeung CHO, Jong Jin PARK, Deok Chan YOON, Yun Kyu LEE, Dong Uk CHOI
-
Patent number: 10290923Abstract: An electronic device is provided. The electronic device includes a housing including a window that forms a first side of the electronic device, and a second side that is disposed opposite to the first side, a touch sensor disposed adjacent to the window and configured to generate a capacitance, an input circuit operably connected to the touch sensor and configured to detect an input based on a variation in the capacitance, an antenna radiator at least one of partially disposed inside the housing and a part of the housing, a ground operably disposed between the first side and the second side, a communication circuit operably connected to the antenna radiator and the ground, and an antenna matching circuit operably connected to the touch sensor and the input circuit.Type: GrantFiled: July 22, 2016Date of Patent: May 14, 2019Assignee: Samsung Electronics Co., LtdInventors: Dong-Uk Choi, Sang-Pil Lee, Jangje Park, Jinu Kim, Bumjin Cho, Inyong Hwang
-
Patent number: 10144410Abstract: A hybrid construction machine is disclosed, which comprises an engine, a generator, the generator connected to the engine, a converter connected to the generator, and an ESS (Energy Storage System) connected to the converter. The hybrid construction machine further comprises a converter current detector positioned either between the converter and the generator or between the converter and the ESS to detect the current flowing between the converter and the generator, an ESS current detector positioned between the converter and the ESS to detect the current flowing between the converter and the ESS, a processing unit receiving the current detected from the converter current detector and the ESS current detector and calculating the operation time of the respective component, and a display unit displaying the operation time of the respective component. Since the hybrid construction machine calculates the operation time of the respective component and displays the same to an operator.Type: GrantFiled: April 24, 2014Date of Patent: December 4, 2018Assignee: VOLVO CONSTRUCTION EQUIPMENT ABInventor: Dong-Uk Choi
-
Patent number: 9640286Abstract: An apparatus for cooling a spent fuel pool having a heat exchanger includes a cooling water pool positioned above the spent fuel pool; a floating device configured to be elevated according to a water level of a cooling water in the spent fuel pool; and an emergency cooling water supply pipe configured to form a path through which the cooling water of the cooling water pool is moved to the spent fuel pool and configured to include a floating valve that opens or closes a flow passage of the cooling water in connection with the elevation of the floating device.Type: GrantFiled: August 23, 2012Date of Patent: May 2, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Sang Jong Lee, Geol Woo Lee, Young Baek Kim, Jae Don Choi, Jae Il Lee, Sung Ju Cho, Jung Seon An, Dong Kyu Lee, Hye Jin Kim, Dong Uk Choi
-
Publication number: 20170043758Abstract: A hybrid construction machine is disclosed, which comprises an engine, a generator, the generator connected to the engine, a converter connected to the generator, and an ESS (Energy Storage System) connected to the converter. The hybrid construction machine further comprises a converter current detector positioned either between the converter and the generator or between the converter and the ESS to detect the current flowing between the converter and the generator, an ESS current detector positioned between the converter and the ESS to detect the current flowing between the converter and the ESS, a processing unit receiving the current detected from the converter current detector and the ESS current detector and calculating the operation time of the respective component, and a display unit displaying the operation time of the respective component. Since the hybrid construction machine calculates the operation time of the respective component and displays the same to an operator.Type: ApplicationFiled: April 24, 2014Publication date: February 16, 2017Inventor: Dong-Uk CHOI
-
Publication number: 20170033442Abstract: An electronic device is provided. The electronic device includes a housing including a window that forms a first side of the electronic device, and a second side that is disposed opposite to the first side, a touch sensor disposed adjacent to the window and configured to generate a capacitance, an input circuit operably connected to the touch sensor and configured to detect an input based on a variation in the capacitance, an antenna radiator at least one of partially disposed inside the housing and a part of the housing, a ground operably disposed between the first side and the second side, a communication circuit operably connected to the antenna radiator and the ground, and an antenna matching circuit operably connected to the touch sensor and the input circuit.Type: ApplicationFiled: July 22, 2016Publication date: February 2, 2017Inventors: Dong-Uk CHOI, Sang-Pil Lee, Jangje Park, Jinu Kim, Bumjin Cho, Inyong Hwang
-
Patent number: 9230761Abstract: An emergency stop system for a hybrid excavator is provided, which includes an emergency switch and an emergency stop unit. In a normal operation state, a power supply that is applied from a power supply unit is provided to a hybrid controller and an engine controller, while when the emergency switch is pressed, the input power supply is intercepted to effectively stop the operation of the hybrid system in the case where equipment abnormality or an emergency situation occurs. Also, when the emergency switch is pressed, the power supply is applied to an emergency alarm unit and an energy discharge unit to notify an operator and neighboring persons of the equipment abnormality and emergency situation occurrence, and a hybrid power source vanishes completely.Type: GrantFiled: July 21, 2010Date of Patent: January 5, 2016Assignee: VOLVO CONSTRUCTION EQUIPMENT ABInventors: Ji-Yun Kim, Eui-Chul Kim, Dong-Uk Choi
-
Patent number: 8969713Abstract: Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer.Type: GrantFiled: January 27, 2012Date of Patent: March 3, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Min-Seok Oh, Jung-Tae Kim, Nam-Kyu Song, Min Park, Yun-Seok Lee, Czang-Ho Lee, Myung-Hun Shin, Byoung-Kyu Lee, Yuk-Hyun Nam, Seung-Jae Jung, Mi-Hwa Lim, Joon-Young Seo, Dong-Uk Choi, Dong-Seop Kim, Byoung-June Kim
-
Patent number: 8802972Abstract: Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer.Type: GrantFiled: June 2, 2009Date of Patent: August 12, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Min-Seok Oh, Jung-Tae Kim, Nam-Kyu Song, Min Park, Yun-Seok Lee, Czang-Ho Lee, Myung-Hun Shin, Byoung-Kyu Lee, Yuk-Hyun Nam, Seung-Jae Jung, Mi-Hwa Lim, Joon-Young Seo, Dong-Uk Choi, Dong-Seop Kim, Byoung-June Kim
-
Patent number: 8738239Abstract: A swing control system and method for a construction machine using an electric motor is provided. The swing control system includes a swing electric motor swinging an upper swing structure and a swing control unit.Type: GrantFiled: June 17, 2010Date of Patent: May 27, 2014Assignee: Volvo Construction Equipment Holding Sweden ABInventors: Jong Min Kang, Ahn Kyun Jung, Chun Seung Lee, Ji Yun Kim, Dong Uk Choi, Jung Sun Jo, Sung Kon Kim, Bong Soo Yoo