Patents by Inventor Bum Yeon Cho
Bum Yeon Cho 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).
-
Patent number: 11963443Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.Type: GrantFiled: December 21, 2019Date of Patent: April 16, 2024Assignee: LG Display Co., Ltd.Inventors: In Bum Song, Seung Hee Yoon, Gwi Jeong Cho, So Yeon Ahn, Yoo Yi Son, Tae Shick Kim
-
Patent number: 11767195Abstract: A safety inspection system of an occupant evacuation elevator capable of having a laser range finder installed on each of an elevator rope and an elevator guide rail of the occupant evacuation elevator of a skyscraper and checking a length and verticality of each of the elevator rope and the elevator guide rail measured from the laser range finder to monitor slight distortion or location variation in real time, and accordingly, capable of easily performing a safety inspection of the occupant evacuation elevator, capable of performing the safety inspection of the occupant evacuation elevator in real time to operate the occupant evacuation elevator again in an operation mode of the occupant evacuation elevator according to an occurrence of a disaster situation in the skyscraper, and accordingly, capable of safely and quickly evacuating occupants and a method thereof are provided.Type: GrantFiled: November 22, 2018Date of Patent: September 26, 2023Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Seung Un Chae, Bum Yeon Cho, Heung Youl Kim, Ki Seok Kwon
-
Patent number: 11577933Abstract: An evacuation strategy support system using an occupant evacuation elevator (OEE) capable of supporting an evacuation strategy so that information on a number of occupants is recognized by real-time occupant monitoring and thus occupants on each floor may use stairs and the occupant evacuation elevator to safely and quickly evacuate when a disaster situation occurs in a skyscraper and thus the occupants use the occupant evacuation elevator to evacuate, capable of monitoring occupant information on each floor in real time and supporting calculation of an evacuation capacity of the occupant evacuation elevator to establish an evacuation strategy to allow safe evacuation and early reaction in an overall skyscraper to be performed, and capable of optimizing the calculation of the evacuation capacity of the occupant evacuation elevator applicable to an initial stage of a design of the skyscraper, and a method thereof are provided.Type: GrantFiled: November 22, 2018Date of Patent: February 14, 2023Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Seung Un Chae, Bum Yeon Cho, Heung Youl Kim, Ki Seok Kwon
-
Patent number: 11326345Abstract: Provided are a hollow composite beam using a dual-web and a construction method thereof. The hollow composite beam using a dual-web can secure space efficiency using a tendon installed in an internal space of a dual-web and can efficiently adjust a tensioning force using the tendon anchored by an anchoring wedge and a separable bolt, wherein the dual-web is formed as a web of a steel beam having a bottom flange on which a deck plate is supported.Type: GrantFiled: November 21, 2019Date of Patent: May 10, 2022Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Heung Youl Kim, Bum Yeon Cho
-
Patent number: 11242982Abstract: A lighting unit and rail type lighting device according to an embodiment of the present invention includes a body part having a body plate and a first guide part disposed on the top of the body plate in a lengthwise direction of the body plate, a magnet material accommodation part disposed at an upper portion of the body part to accommodate a magnet material magnetically coupled with a rail unit; and a body-coupling part that is slide-coupled to each of both ends of the body part along the first guide part.Type: GrantFiled: December 27, 2018Date of Patent: February 8, 2022Assignee: KH FEELUX CO., LTD.Inventors: Bum Yeon Cho, Gil Hun Shin
-
Publication number: 20200400291Abstract: A lighting unit and rail type lighting device according to an embodiment of the present invention includes a body part having a body plate and a first guide part disposed on the top of the body plate in a lengthwise direction of the body plate, a magnet material accommodation part disposed at an upper portion of the body part to accommodate a magnet material magnetically coupled with a rail unit; and a body-coupling part that is slide-coupled to each of both ends of the body part along the first guide part.Type: ApplicationFiled: December 27, 2018Publication date: December 24, 2020Inventors: Bum Yeon CHO, Gil Hun SHIN
-
Patent number: 10737405Abstract: The present invention relates to a self-pouring mold system which ensures uniformity of a material by laterally pouring concrete into a mold installed on a side of a wall structure and minimizing a fall head generated when the concrete is poured to prevent bleeding, thereby ensuring uniformity of a fire-proofing material and adjusting a required fire-proofing coating thickness, and a method of fire-proofing, repairing, and reinforcing using the same.Type: GrantFiled: December 21, 2017Date of Patent: August 11, 2020Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Heung Youl Kim, Bum Yeon Cho
-
Publication number: 20200165824Abstract: Provided are a hollow composite beam using a dual-web and a construction method thereof. The hollow composite beam using a dual-web can secure space efficiency using a tendon installed in an internal space of a dual-web and can efficiently adjust a tensioning force using the tendon anchored by an anchoring wedge and a separable bolt, wherein the dual-web is formed as a web of a steel beam having a bottom flange on which a deck plate is supported.Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Heung Youl KIM, Bum Yeon CHO
-
Publication number: 20190152745Abstract: A safety inspection system of an occupant evacuation elevator capable of having a laser range finder installed on each of an elevator rope and an elevator guide rail of the occupant evacuation elevator of a skyscraper and checking a length and verticality of each of the elevator rope and the elevator guide rail measured from the laser range finder to monitor slight distortion or location variation in real time, and accordingly, capable of easily performing a safety inspection of the occupant evacuation elevator, capable of performing the safety inspection of the occupant evacuation elevator in real time to operate the occupant evacuation elevator again in an operation mode of the occupant evacuation elevator according to an occurrence of a disaster situation in the skyscraper, and accordingly, capable of safely and quickly evacuating occupants and a method thereof are provided.Type: ApplicationFiled: November 22, 2018Publication date: May 23, 2019Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Seung Un CHAE, Bum Yeon CHO, Heung Youl KIM, Ki Seok KWON
-
Publication number: 20190152746Abstract: An evacuation strategy support system using an occupant evacuation elevator (OEE) capable of supporting an evacuation strategy so that information on a number of occupants is recognized by real-time occupant monitoring and thus occupants on each floor may use stairs and the occupant evacuation elevator to safely and quickly evacuate when a disaster situation occurs in a skyscraper and thus the occupants use the occupant evacuation elevator to evacuate, capable of monitoring occupant information on each floor in real time and supporting calculation of an evacuation capacity of the occupant evacuation elevator to establish an evacuation strategy to allow safe evacuation and early reaction in an overall skyscraper to be performed, and capable of optimizing the calculation of the evacuation capacity of the occupant evacuation elevator applicable to an initial stage of a design of the skyscraper, and a method thereof are provided.Type: ApplicationFiled: November 22, 2018Publication date: May 23, 2019Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Seung Un CHAE, Bum Yeon CHO, Heung Youl KIM, Ki Seok KWON
-
Patent number: 10267041Abstract: An anchoring wedge with a separable bolt for a simple separation of the anchoring wedge from an anchoring device surrounding a tendon using the separable bolt through efficient adjustment of tensile force and a method of anchoring a tendon using the same are provided.Type: GrantFiled: December 21, 2017Date of Patent: April 23, 2019Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Bum Yeon Cho, Heung Youl Kim
-
Publication number: 20190112813Abstract: An anchoring wedge with a separable bolt for a simple separation of the anchoring wedge from an anchoring device surrounding a tendon using the separable bolt through efficient adjustment of tensile force and a method of anchoring a tendon using the same are provided.Type: ApplicationFiled: December 21, 2017Publication date: April 18, 2019Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Bum Yeon CHO, Heung Youl KIM
-
Publication number: 20180223663Abstract: The present invention relates to a self-pouring mold system which ensures uniformity of a material by laterally pouring concrete into a mold installed on a side of a wall structure and minimizing a fall head generated when the concrete is poured to prevent bleeding, thereby ensuring uniformity of a fire-proofing material and adjusting a required fire-proofing coating thickness, and a method of fire-proofing, repairing, and reinforcing using the same.Type: ApplicationFiled: December 21, 2017Publication date: August 9, 2018Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Heung Youl KIM, Bum Yeon CHO
-
Publication number: 20180016787Abstract: In the disclosure, the CFT column includes external steel tubes including straight jointing portions in which inclined bolt grooves are formed to be vertically apart from each other and which are formed to extend from an end thereof to cover an overall extension length thereof, a straight bolt connection slot including straight plates connected by a connection bolt to be apart from each other and formed to extend, and configured to integrate the external steel tubes by allowing the connection bolt to be inserted into each of the inclined bolt grooves in which the straight jointing portions of the external steel tubes are in contact with each other and communicate with each other, concrete placed in the integrated external steel tubes and cured, and a wave-shaped punching steel plate.Type: ApplicationFiled: December 6, 2016Publication date: January 18, 2018Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: HEUNG YOUL KIM, BUM YEON CHO
-
Patent number: 9856647Abstract: In the disclosure, the CFT column includes external steel tubes including straight jointing portions in which inclined bolt grooves are formed to be vertically apart from each other and which are formed to extend from an end thereof to cover an overall extension length thereof, a straight bolt connection slot including straight plates connected by a connection bolt to be apart from each other and formed to extend, and configured to integrate the external steel tubes by allowing the connection bolt to be inserted into each of the inclined bolt grooves in which the straight jointing portions of the external steel tubes are in contact with each other and communicate with each other, concrete placed in the integrated external steel tubes and cured, and a wave-shaped punching steel plate.Type: GrantFiled: December 6, 2016Date of Patent: January 2, 2018Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventors: Heung Youl Kim, Bum Yeon Cho
-
Patent number: D866846Type: GrantFiled: November 9, 2017Date of Patent: November 12, 2019Assignee: FEELUX CO., LTD.Inventors: Bum Yeon Cho, Jun Jang, Jin Myeong Kim
-
Patent number: D898267Type: GrantFiled: August 7, 2018Date of Patent: October 6, 2020Assignee: FEELUX CO., LTD.Inventors: Bum Yeon Cho, Gil Hun Shin
-
Patent number: D930881Type: GrantFiled: April 7, 2020Date of Patent: September 14, 2021Assignee: KH FEELUX CO., LTD.Inventors: Bum Yeon Cho, Gil Hun Shin