Patents by Inventor Bong Jun Choi
Bong Jun 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).
-
Patent number: 12281248Abstract: An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.Type: GrantFiled: November 28, 2019Date of Patent: April 22, 2025Assignees: SFC CO., LTD., HODOGAYA CHEMICAL CO., LTD.Inventors: Sung-hoon Joo, Byung-sun Yang, Su-jin Kim, Ji-hwan Kim, Hyeon-jun Jo, Sung-eun Choi, Bong-ki Shin, Young-hwan Park, Shuichi Hayashi, Takeshi Yamamoto, Shunji Mochizuki, Yuta Hirayama
-
Publication number: 20250125168Abstract: Discussed are a light-emitting element transfer stamp and a method for manufacturing the same. The light-emitting element transfer stamp can include a stamp substrate, a plurality of insertion grooves provided at regular intervals in the stamp substrate, a plurality of adhesive layer respectively disposed in the plurality of insertion grooves and on the stamp substrate in contact with the insertion grooves, a passivation layer disposed on the stamp substrate between the plurality of adhesive layers, and a buffer layer disposed on a rear surface of the stamp substrate.Type: ApplicationFiled: October 10, 2024Publication date: April 17, 2025Applicant: LG Display Co., Ltd.Inventors: Bong Seok CHOI, Han Saem KANG, Bum Seok CHUNG, Se Jun YOON, Seok Hwan JUNG, Chan KIM
-
Patent number: 11657022Abstract: An operating method of a host includes receiving a request for secure deletion of a first file stored in a storage system, providing an invalidation command to the storage system for invalidating data of the first file, providing an erase command to the storage system for erasing invalidated data included in the storage system, and performing a deletion operation, which is executable on an operating system of the host, on the first file which is deleted by the erase command.Type: GrantFiled: July 15, 2021Date of Patent: May 23, 2023Inventors: Jin-hwan Park, Chan-sol Kim, Myung-jin Jung, Ji-soo Kim, Kyung-ho Kim, Pil-sung Kang, Bong-jun Choi, Chae-won Yu, So-jeong Lee
-
Patent number: 11231365Abstract: Provided are an apparatus and a method for infrared imaging, more particularly, an apparatus and a method for infrared imaging, which receive infrared light, emitted from a target, and output the received infrared light as an image. An infrared imaging apparatus, in accordance with an exemplary embodiment, receives infrared light, emitted from a target, and outputs the received infrared light as an image. The infrared imaging apparatus includes: a reaction unit having physical properties changing in response to the received infrared light; a light source unit for generating measurement light irradiated toward the reaction unit; and an imaging unit for detecting the measurement light with the light quantity thereof changing depending on a change in the physical properties of the reaction unit and outputting the detected measurement light as an image.Type: GrantFiled: July 26, 2019Date of Patent: January 25, 2022Inventors: Bong Jun Choi, Ho Jin Hyun, Jong Hoo Park, Dae Kyeong Kang
-
Publication number: 20210342302Abstract: An operating method of a host includes receiving a request for secure deletion of a first file stored in a storage system, providing an invalidation command to the storage system for invalidating data of the first file, providing an erase command to the storage system for erasing invalidated data included in the storage system, and performing a deletion operation, which is executable on an operating system of the host, on the first file which is deleted by the erase command.Type: ApplicationFiled: July 15, 2021Publication date: November 4, 2021Inventors: Jin-hwan Park, Chan-sol Kim, Myung-jin Jung, Ji-soo Kim, Kyung-ho Kim, Pil-sung Kang, Bong-jun Choi, Chae-won Yu, So-jeong Lee
-
Patent number: 11106630Abstract: An operating method of a host includes receiving a request for secure deletion of a first file stored in a storage system, providing an invalidation command to the storage system for invalidating data of the first file, providing an erase command to the storage system for erasing invalidated data included in the storage system, and performing a deletion operation, which is executable on an operating system of the host, on the first file which is deleted by the erase command.Type: GrantFiled: April 10, 2017Date of Patent: August 31, 2021Inventors: Jin-hwan Park, Chan-sol Kim, Myung-jin Jung, Ji-soo Kim, Kyung-ho Kim, Pil-sung Kang, Bong-jun Choi, Chae-won Yu, So-jeong Lee
-
Publication number: 20210014434Abstract: Provided are an apparatus and a method for infrared imaging, more particularly, an apparatus and a method for infrared imaging, which receive infrared light, emitted from a target, and output the received infrared light as an image. An infrared imaging apparatus, in accordance with an exemplary embodiment, receives infrared light, emitted from a target, and outputs the received infrared light as an image. The infrared imaging apparatus includes: a reaction unit having physical properties changing in response to the received infrared light; a light source unit for generating measurement light irradiated toward the reaction unit; and an imaging unit for detecting the measurement light with the light quantity thereof changing depending on a change in the physical properties of the reaction unit and outputting the detected measurement light as an image.Type: ApplicationFiled: July 26, 2019Publication date: January 14, 2021Inventors: Bong Jun CHOI, Ho Jin HYUN, Jong Hoo PARK, Dae Kyeong KANG
-
Publication number: 20180032541Abstract: An operating method of a host includes receiving a request for secure deletion of a first file stored in a storage system, providing an invalidation command to the storage system for invalidating data of the first file, providing an erase command to the storage system for erasing invalidated data included in the storage system, and performing a deletion operation, which is executable on an operating system of the host, on the first file which is deleted by the erase command.Type: ApplicationFiled: April 10, 2017Publication date: February 1, 2018Inventors: Jin-hwan Park, Chan-sol Kim, Myung-jin Jung, Ji-soo Kim, Kyung-ho Kim, Pil-sung Kang, Bong-jun Choi, Chae-won Yu, So-jeong Lee
-
Patent number: 9243620Abstract: The present invention discloses a linear compressor which can rapidly overcome load and improve compression efficiency, by synchronizing an operation frequency of a linear motor with a natural frequency of a movable member varied by the load and varying a stroke of the movable member according to the load. The linear compressor includes a fixed member having a compression space inside, a movable member linearly reciprocated in the fixed member in the axial direction, for compressing refrigerants sucked into the compression space, one or more springs installed to elastically support the movable member in the motion direction of the movable member, spring constants of which being varied by load, and a linear motor installed to be connected to the movable member, for linearly reciprocating the movable member in the axial direction, and varying a stroke of the movable member according to a predetermined refrigeration force, so that the movable member can be linearly reciprocated to reach a top dead center.Type: GrantFiled: August 30, 2004Date of Patent: January 26, 2016Assignee: LG Electronics Inc.Inventors: Bong-Jun Choi, Chang-Yong Jang, Man-Seok Cho, Shin-Hyun Park, Hyun Kim, Jong-Min Shin, Young-Hoan Jeon, Chul-Gi Roh
-
Patent number: 8684214Abstract: Provided is a degassing container for a refrigerator in which a portion of air within a storage space is forcedly discharged to allow the storage space to become a low pressure state. The degassing container includes a case, a door, a gasket, a pressing part, and a degassing adjustment part. The case has an opened side. The door selectively shields the opened side of the case. The gasket is interposed between the door and the case and elastically deformed and closely attached when the door is shielded. The pressing part is provided in the door and the case and selectively closely attaches the door by a rotation operation. The degassing adjustment part selectively enters and exits air within the case by operating the pressing part. Therefore, the refrigerator has improved storage performance.Type: GrantFiled: October 22, 2008Date of Patent: April 1, 2014Assignee: LG Electronics Inc.Inventors: Seok-Min Lim, Jong-Min Shin, Bong-Jun Choi, Su-Won Lee, Ill-Shin Kim, Jeong-Yon Kim
-
Patent number: 8359879Abstract: The present invention relates to a refrigerator and a degassing container of the refrigerator which compulsorily degass a portion of air inside a space where foods are stored to the outside by a degassing means together with deformation of a gasket when a door is closely adhered. The present invention includes a degassing container of a refrigerator comprising a case whose one side is opened; a door which shields the opened one side of the case selectively; a gasket interposed between the door and case and elastically deformed to be closely adhered when the door is shielded; a degassing means provided on the door and exhausting air inside the case to the outside when the gasket is compressively deformed; and a release means provided on the door and flowing external air into an inner side of the case when the door is opened. According to the present invention, the storage performance is improved.Type: GrantFiled: September 19, 2008Date of Patent: January 29, 2013Assignee: LG Electronics Inc.Inventors: Jeong-Yon Kim, Jong-Min Shin, Bong-Jun Choi, Su-Won Lee, Ill-Shin Kim, Seok-Min Lim
-
Patent number: 8087261Abstract: A refrigerator is provided that includes a cold air duct that receives cold air circulating inside of a refrigerating chamber and a freezing chamber, an evaporator in the cold air duct, at least one defrosting heater in the cold air duct that selectively emits heat, a fan in the cold air duct, that selectively directs the cold air in an upward or downward direction, a motor that drives the fan, and an open/close device that closes a space having the evaporator, the defrosting heater, and the fan positioned therein selectively, thereby providing an improved defroster for an evaporator.Type: GrantFiled: October 11, 2004Date of Patent: January 3, 2012Assignee: LG Electronics Inc.Inventors: Sang Ik Lee, Bong Jun Choi, Jong Min Sin, Youngsan Jeon, Jae Seong Sim, Young Jeong
-
Publication number: 20110289945Abstract: An embodiment according to the present invention is to provide a control method of a refrigerator that can operate a compressor before a start of a defrost operation and during a predetermined time to supply a high-temperature hot gas to an evaporator. With the control method of the refrigerator according to the embodiments of the refrigerator, the compressor is driven immediately before the defrost operation and the blower fan cooling the compressor stops, such that the high-temperature hot gas can be supplied to the evaporator, thereby increasing the defrost efficiency.Type: ApplicationFiled: January 28, 2010Publication date: December 1, 2011Inventors: Bong-Jun Choi, Su-Cheong Kim, Yong-Joo Park, Gyu-Won Shin, Young-Geul Kim, Su-Won Lee
-
Publication number: 20110289957Abstract: The present invention relates to a refrigerator and a degassing container of the refrigerator which compulsorily degass a portion of air inside a space where foods are stored to the outside by a degassing means together with deformation of a gasket when a door is closely adhered. The present invention includes a degassing container of a refrigerator comprising a case whose one side is opened; a door which shields the opened one side of the case selectively; a gasket interposed between the door and case and elastically deformed to be closely adhered when the door is shielded; a degassing means provided on the door and exhausting air inside the case to the outside when the gasket is compressively deformed; and a release means provided on the door and flowing external air into an inner side of the case when the door is opened. According to the present invention, the storage performance is improved.Type: ApplicationFiled: September 19, 2008Publication date: December 1, 2011Applicant: LG Electronics Inc.Inventors: Jeong-Yon Kim, Jong-Min Shin, Bong-Jun Choi, Su-Won Lee, Ill-Shin Kim, Seok-Min Lim
-
Publication number: 20110271703Abstract: A refrigerator is provided. The refrigerator includes a compressor, a condenser, an expansion valve, an evaporator, a bypass pipe, and a valve device. The condenser condenses refrigerant discharged from the compressor, and the expansion valve expands the refrigerant condensed in the condenser. The evaporator evaporates the refrigerant expanded in the expansion valve, and the bypass pipe allows the refrigerant discharged from the compressor to move toward an inlet of the evaporator. The valve device allows the refrigerant discharged from the compressor to selectively move toward the bypass pipe or the condenser. The valve device comprises an inlet, a first outlet, and a second outlet. The refrigerant discharged from the compressor flows into the inlet. The refrigerant is discharged toward the condenser through the first outlet, and is discharged toward the bypass pipe through the second outlet. The first outlet has a diameter larger than that of the second outlet.Type: ApplicationFiled: August 22, 2008Publication date: November 10, 2011Inventors: Yong-Joo Park, Jong-Min Shin, Bong-Jun Choi, Su-Won Lee, Gyu-Won Shin, Seok-Min Lim
-
Publication number: 20110100046Abstract: The embodiment relates to a refrigerator, a refrigerator according to the embodiment includes: a refrigerating compartment above the freezing temperature; a freezing compartment below the freezing temperature; a mullion that partitions the refrigerating compartment and the freezing compartment side by side; a cold air supplying portion that forms within the mullion and includes an evaporator and a cooling fan; and an ice making apparatus that is disposed at the mullion, the ice making apparatus making cold air supplying portion ice by receiving cold air generated by the evaporator.Type: ApplicationFiled: May 4, 2010Publication date: May 5, 2011Applicant: LG ELECTRONICS INC.Inventors: Bong Jun CHOI, Min Ho SONG, Gil Jae YOU
-
Patent number: 7841206Abstract: A refrigerator having a main body includes a refrigerating chamber and a freezing chamber provided for storing foods. A cool air-generating device provided in the body generates cool air and a cool air-supplying device including at least one opening for discharging the cool air, is used to circulate the cool air through the freezing chamber, the refrigerating chamber, and the cool air-generating device. A separator provided adjacent to the opening acts to uniformly diffuse the cool air in the freezing chamber and the refrigerating chamber. The separator acts to separate two flows that are then brought back together. The collision and mixing of the two flows create a turbulent flow of air that is directed into the refrigerating and freezing chambers.Type: GrantFiled: December 14, 2004Date of Patent: November 30, 2010Assignee: LG Electronics Inc.Inventors: Bong Jun Choi, Jong Min Sin, Jae Seong Sim, Young Jeong, Young Hwan Ko, Jun Hyun Hwang
-
Patent number: 7816873Abstract: The present invention discloses an apparatus and method for controlling a linear compressor which can actively handle load and efficiently perform an operation, by synchronizing an operation frequency with a natural frequency of a movable member varied by the load.Type: GrantFiled: August 30, 2004Date of Patent: October 19, 2010Assignee: LG Electronics Inc.Inventors: Bong-Jun Choi, Chang-Yong Jang, Man-Seok Cho, Shin-Hyun Park, Hyun Kim, Jong-Min Shin, Young-Hoan Jeon, Chul-Gi Roh
-
Publication number: 20100251735Abstract: The present invention discloses a refrigerator which can individually cool a freezing chamber and a refrigerating chamber by dividing a heat exchange region of an evaporator into a freezing chamber side region and a refrigerating chamber side region, forming individual circulation passages for supplying cool air from each region to the freezing chamber and the refrigerating chamber, and forming a freezing chamber fan and a refrigerating chamber fan on each circulation passage, and method for controlling operation of the same which can efficiently perform a cooling operation and reduce power consumption by effectively controlling the operations of each component.Type: ApplicationFiled: April 6, 2010Publication date: October 7, 2010Inventors: Jae-Seng SIM, Young-Hwan KO, Jongmin SHIN, Bong-Jun CHOI, Jun-Hyeon HWANG, Young JEONG, Samchul HA, Yunho HWANG
-
Publication number: 20100251754Abstract: Provided is a degassing container for a refrigerator in which a portion of air within a storage space is forcedly discharged to allow the storage space to become a low pressure state. The degassing container includes a case, a door, a gasket, a pressing part, and a degassing adjustment part. The case has an opened side. The door selectively shields the opened side of the case. The gasket is interposed between the door and the case and elastically deformed and closely attached when the door is shielded. The pressing part is provided in the door and the case and selectively closely attaches the door by a rotation operation. The degassing adjustment part selectively enters and exits air within the case by operating the pressing part. Therefore, the refrigerator has improved storage performance.Type: ApplicationFiled: October 22, 2008Publication date: October 7, 2010Inventors: Seok-Min Lim, Jong-Min Shin, Bong-Jun Choi, Su-Won Lee, III-Shin Kim, Jeong-Yon Kim