Patents by Inventor Jun-Ho Ahn
Jun-Ho Ahn 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: 20240396085Abstract: The present disclosure provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery of the present disclosure may include a lithium salt; a non-aqueous organic solvent; and an oligomer including a repeating unit derived from a monomer represented by Formula 1 and a repeating unit derived from a monomer represented by Formula 2. Also, the lithium secondary battery of the present disclosure may improve cycle characteristics and high-temperature storage characteristics by including the above non-aqueous electrolyte solution for a lithium secondary battery.Type: ApplicationFiled: September 7, 2022Publication date: November 28, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jun Hyeok HAN, Kyoung Ho AHN, Won Kyung SHIN, Young Ho OH, Chul Haeng LEE
-
Patent number: 12156445Abstract: A flexible display device includes a first flexible substrate that includes a signal line formed on one side of the first flexible substrate. A second flexible substrate is disposed on a second side of the first flexible substrate that is located opposite to the first side of the first flexible substrate. An opening penetrates the first flexible substrate and the second flexible substrate. A driver is attached to the second flexible substrate. A connection portion electrically connects the driver and the signal line to each other through the opening.Type: GrantFiled: September 2, 2021Date of Patent: November 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Been Lee, Yi Joon Ahn, Jun Woo You, Tae Ho Lee, Dae Hwan Jang
-
Publication number: 20240304874Abstract: A lithium secondary battery including a negative electrode comprising a carbon material as a negative electrode active material, a positive electrode comprising a positive electrode active material of Formula 2, a separator interposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte comprising a lithium salt; a non-aqueous organic solvent; a first additive represented by Formula 1; and a second additive which is at least one selected from the group consisting of vinylene carbonate and vinylethylene carbonate is described, in Formulas 1 and 2, all the variables are described herein.Type: ApplicationFiled: February 3, 2023Publication date: September 12, 2024Applicant: LG Energy Solution, Ltd.Inventors: Young Ho Oh, Kyoung Ho Ahn, Won Kyung Shin, Won Tae Lee, Chul Haeng Lee, Jun Hyeok Han, Su Hyeon Ji, You Kyeong Jeong
-
Patent number: 12068456Abstract: An electrolyte composition and a lithium secondary battery including the same are disclose herein. The electrolyte composition has improved high temperature safety. In some embodiments, the electrolyte composition includes an additive including a compound represented by Formula 1. Each R1 is independently a single bond, an alkylene group having 1 to 10 carbon atoms, or each R2 is independently a double or triple bond including 2 carbon atoms, each R3 is independently hydrogen or an alkyl group having 1 to 4 carbon atoms, and a is an integer of 1 to 10. The additive may reinforce an SEI layer on the surface of an electrode, thereby having advantages of improved storage and lifetime characteristics at a high temperature and a decreased amount of gas generated in the battery.Type: GrantFiled: December 13, 2022Date of Patent: August 20, 2024Assignee: LG Energy Solution, Ltd.Inventors: Kyoung Ho Ahn, Won Tae Lee, Jun Hyeok Han, Su Hyeon Ji, Chul Haeng Lee, Won Kyung Shin, Young Ho Oh, You Kyeong Jeong
-
Publication number: 20240250748Abstract: An ICS repeater usable in a wireless network and, more specifically, a method for effectively canceling only an interference signal by selectively using an autocorrelation canceller in an ICS repeater are described. According to one aspect, a method for canceling interference performed by a 5G ICS repeater may comprise obtaining a first error signal by removing a first predicted feedback signal from a first original signal received through a reception antenna; generating a first delay signal by delaying the first error signal; determining whether the first original signal is a null signal based on magnitude information of the first error signal; determining a first reference signal based on the first delay signal according to a determination result of whether the first original signal is a null signal; and generating a second predicted feedback signal based on the first reference signal.Type: ApplicationFiled: January 19, 2024Publication date: July 25, 2024Inventors: Kyung Hoon OH, Hee Gu AHN, Yong Seok OH, Sun Ho KIM, Jun Ho KANG
-
ORGANIC COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THE COMPOUND
Publication number: 20240244857Abstract: The present disclosure relates to an organic light emitting diode, and an organic light emitting device including the same. An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first emitting part including a first blue emitting material layer and positioned between the first and second electrodes, the first blue emitting material layer including a first blue emitting layer and a second blue emitting layer, wherein the second blue emitting layer is positioned between the first blue emitting layer and the second electrode, wherein the first blue emitting layer includes a first phosphorescent compound, and the second blue emitting layer includes a second phosphorescent compound and a first fluorescent compound, wherein each of the first and second phosphorescent compounds is represented by Formula 5, and wherein the first fluorescent compound is represented by Formula 7.Type: ApplicationFiled: October 30, 2023Publication date: July 18, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Chi-Ho LEE, Gyeong-Woo KIM, Dong-Ryun LEE, Han-Jin AHN, Jun-Yun KIM -
Publication number: 20230093162Abstract: The present invention relates to a fatty liver and liver fibrosis evaluation system based on impedance. The fatty liver and liver fibrosis evaluation system based on impedance provided in one aspect of the present invention uses 3-dimensional liver microtissues so that the fatty liver formation and the stiffness changes resulted from liver fibrosis induced by a test drug can be analyzed with non-invasive and highly reproducible manner.Type: ApplicationFiled: November 28, 2022Publication date: March 23, 2023Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Jung-Hwa Oh, Jaehwan Ahn, Seokjoo Yoon, Jun-Ho Ahn, Heeyoung Yang, Hyoung-Yun Han
-
Patent number: 10795594Abstract: A method of operating a storage device including a non-volatile memory includes receiving a write command from a host in a first state, receiving write data from the host in a second state, and transitioning an operation state from the second state to one of the first state and a third state based on a write mode chosen. The write command is received in the first state, and the received write data is programmed to the non-volatile memory in the third state.Type: GrantFiled: September 21, 2018Date of Patent: October 6, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-chul Park, Bo-mi Seok, Jun-ho Ahn, Ju-young Lee
-
Patent number: 10683483Abstract: A microfabricated platform for mimicking the liver zonation and an evaluating method of zone-specific hepatotoxicity using the same is provided. The microfabricated platform for mimicking the liver zonation prepared according to the method of the present invention is divided into three zones of zone 1, zone 2 and zone 3 similarly to in vivo liver tissue and thus the zone-specific hepatotoxicity of a drug in the liver can be evaluated using the same. According to the present invention, the zone-specific hepatotoxicity results can be analyzed quantitatively by using image analysis, so that the platform of the present invention can be effectively used for in vitro screening of zone-specific hepatotoxicity.Type: GrantFiled: March 5, 2019Date of Patent: June 16, 2020Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Jung-Hwa Oh, Jaehwan Ahn, Seokjoo Yoon, Heeyoung Yang, Jun-Ho Ahn, Mi-Sun Choi, Soojin Kim, Se-Myo Park, Hyoung-Yun Han
-
Patent number: 10649692Abstract: A method of operating a storage device includes receiving a write task from a host device. The method also includes storing the write task in a task queue included in the storage device. A write execution command is received from the host device. The method includes executing the write task in response to the write execution command and performing an internal management operation of the storage device after the write task is stored in the task queue and before the write execution command is received. The response time of the storage device to the write execution command is reduced and performance of the system is enhanced by performing the internal management operation such as the data backup operation during the queuing stage and the ready stage in advance before receiving the write execution command.Type: GrantFiled: December 27, 2016Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Chul Park, Jun-Ho Ahn, Bong-Gwan Seol
-
Publication number: 20200132670Abstract: The present invention relates to a fatty liver and liver fibrosis evaluation system based on impedance. The fatty liver and liver fibrosis evaluation system based on impedance provided in one aspect of the present invention uses 3-dimensional liver microtissues so that the fatty liver formation and the stiffness changes resulted from liver fibrosis induced by a test drug can be analyzed with non-invasive and highly reproducible manner.Type: ApplicationFiled: April 24, 2019Publication date: April 30, 2020Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Jung-Hwa Oh, Jaehwan Ahn, Seokjoo Yoon, Jun-Ho Ahn, Heeyoung Yang, Hyoung-Yun Han
-
Patent number: 10613975Abstract: A memory device and a dynamic garbage collection method thereof are provided. The method includes receiving a minimum operating speed, ascertaining a reference valid page count ratio (VPC), using a maximum operating speed, the minimum operating speed, and a garbage collection speed, the reference VPC ratio being ascertained by the following formula 1 and determining whether to perform a garbage collection, using the reference VPC ratio and a current average VPC ratio. <Formula 1> Vr=Gp (Jp?Mp)/(Jp*Mp+(Gp*(Jp?Mp))) Here, Vr is the reference VPC ratio, Gp is the garbage collection speed, Jp is the maximum operating speed, and Mp is the minimum operating speed.Type: GrantFiled: September 18, 2018Date of Patent: April 7, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Sang Won Jung, Young Pil Song, Ju-Young Lee, Jun Ho Ahn, Bum Hee Lee, Sung-Hyun Cho, In Tae Hwang
-
Publication number: 20190276799Abstract: A microfabricated platform for mimicking the liver zonation and an evaluating method of zone-specific hepatotoxicity using the same is provided. The microfabricated platform for mimicking the liver zonation prepared according to the method of the present invention is divided into three zones of zone 1, zone 2 and zone 3 similarly to in vivo liver tissue and thus the zone-specific hepatotoxicity of a drug in the liver can be evaluated using the same. According to the present invention, the zone-specific hepatotoxicity results can be analyzed quantitatively to by using image analysis, so that the platform of the present invention can be effectively used for in vitro screening of zone-specific hepatotoxicity.Type: ApplicationFiled: March 5, 2019Publication date: September 12, 2019Applicant: Korea Research Institute of Chemical TechnologyInventors: Jung-Hwa OH, Jaehwan AHN, Seokjoo YOON, Heeyoung YANG, Jun-Ho AHN, Mi-Sun CHOI, Soojin KIM, Se-Myo PARK, Hyoung-Yun Han
-
Patent number: 10323529Abstract: A turbine includes a rotor shaft having a plurality of rotating blades mounted on the rotor shaft, a bearing assembly rotatably supporting the rotor shaft, a casing forming a passage of a fluid and to include a space in which the rotating blades are disposed so that thermal energy of the fluid is converted into mechanical energy by rotation, a foundation fixedly supporting the bearing assembly, and a packing device installed in the rotor shaft for sealing between the casing and the rotor shaft and supported by the foundation. The casing comprises a connection unit extended toward the packing device and fixed to the casing so that a location of the connection unit is relatively changed with respect to the packing device. Accordingly, there is an advantage in that the leakage of a fluid is reduced because a clearance between the packing device and the rotor shaft is reduced.Type: GrantFiled: July 29, 2015Date of Patent: June 18, 2019Assignee: Doosan Heavy Industries Construction Co., LtdInventor: Jun Ho Ahn
-
Publication number: 20190121728Abstract: A memory device and a dynamic garbage collection method thereof are provided. The method includes receiving a minimum operating speed, ascertaining a reference valid page count ratio (VPC), using a maximum operating speed, the minimum operating speed, and a garbage collection speed, the reference VPC ratio being ascertained by the following formula 1 and determining whether to perform a garbage collection, using the reference VPC ratio and a current average VPC ratio. <Formula 1> Vr=Gp (Jp?Mp)/(Jp*Mp+(Gp*(Jp?Mp))) Here, Vr is the reference VPC ratio, Gp is the garbage collection speed, Jp is the maximum operating speed, and Mp is the minimum operating speed.Type: ApplicationFiled: September 18, 2018Publication date: April 25, 2019Inventors: Sang Won Jung, Young Pil Song, Ju-Young Lee, Jun Ho Ahn, Bum Hee Lee, Sung-Hyun Cho, In Tae Hwang
-
Publication number: 20190095117Abstract: A method of operating a storage device including a non-volatile memory includes receiving a write command from a host in a first state, receiving write data from the host in a second state, and transitioning an operation state from the second state to one of the first state and a third state based on a write mode chosen. The write command is received in the first state, and the received write data is programmed to the non-volatile memory in the third state.Type: ApplicationFiled: September 21, 2018Publication date: March 28, 2019Inventors: Hyun-chul Park, Bo-mi Seok, Jun-ho Ahn, Ju-young Lee
-
Patent number: 10060534Abstract: A sealing structure for a turbine includes a recessed portion formed around a rotary body and having an annular shape, an annular packing body fixed in a coupling groove of a stationary body, a support member disposed at a central portion of the packing body, a brush seal, one end of which is fixed to the support member while the other end of the brush seal is disposed in the recessed portion, and a tooth portion disposed in at least one side of the packing body.Type: GrantFiled: December 14, 2016Date of Patent: August 28, 2018Assignee: DOOSAN Heavy Industries Construction Co., LTDInventors: Jun Ho Ahn, Yong Kwoen Jang
-
Patent number: 10060297Abstract: Disclosed herein is an apparatus for reactor power control of a steam turbine power generation system including a reactor, a high-pressure turbine to which steam is supplied from the reactor through a main steam pipe, a low-pressure turbine to which the steam discharged from the high-pressure turbine is supplied via a moisture separator reheater, a branch pipe branched from the main steam pipe to be connected to the moisture separator reheater, a generator connected to the low-pressure turbine, a condenser for condensing the steam discharged from the low-pressure turbine, a condensate pump for feeding condensate condensed by the condenser, and feed water heaters for heating the condensate, the apparatus including a branch pipe control valve provided on the branch pipe and a control unit for controlling an opening degree of the branch pipe control valve.Type: GrantFiled: October 24, 2014Date of Patent: August 28, 2018Assignee: Doosan Heavy Industries & Construction Co., Ltd.Inventor: Jun Ho Ahn
-
Publication number: 20180032283Abstract: A method of operating a storage device includes receiving a write task from a host device. The method also includes storing the write task in a task queue included in the storage device. A write execution command is received from the host device. The method includes executing the write task in response to the write execution command and performing an internal management operation of the storage device after the write task is stored in the task queue and before the write execution command is received.Type: ApplicationFiled: December 27, 2016Publication date: February 1, 2018Inventors: HYUN-CHUL PARK, JUN-HO AHN, BONG-GWAN SEOL
-
Publication number: 20170167613Abstract: A sealing structure for a turbine includes a recessed portion formed around a rotary body and having an annular shape, an annular packing body fixed in a coupling groove of a stationary body, a support member disposed at a central portion of the packing body, a brush seal, one end of which is fixed to the support member while the other end of the brush seal is disposed in the recessed portion, and a tooth portion disposed in at least one side of the packing body.Type: ApplicationFiled: December 14, 2016Publication date: June 15, 2017Inventors: Jun Ho AHN, Yong Kwoen JANG