Patents by Inventor Chi Wan Kim
Chi Wan Kim 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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Publication number: 20240085786Abstract: The present invention relates to a naphthalimide sulfonate derivative, and a photoacid generator and a photoresist composition each comprising same and, more specifically, to a naphthalimide sulfonate derivative compound, and a photoacid generator and a photoresist composition each comprising same, wherein the compound has excellent absorbance for light of i-line (365 nm) wavelength, is greatly easy to prepare into a polymerizable composition due to very high solubility in an organic solvent, has good thermal stability, and shows a favorable acid generation rate.Type: ApplicationFiled: December 28, 2021Publication date: March 14, 2024Applicant: SAMYANG CORPORATIONInventors: Chun Rim OH, Dae Hyuk CHOI, Yu Na CHOI, Deuk Rak LEE, Ji Eun CHOI, Ki Tae KANG, Min Jung KIM, Won Jung LEE, Chi Wan LEE
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Publication number: 20230355054Abstract: CROSS-REFERENCE TO RELATED APPLICATIONS This application is a National Phase Application under 35 U.S.C. ยง 371 of International Application No. PCT/KR2020/017380, filed on Dec. 1, 2020, which claims priority to Korean Application No. 10-2019-0159187, filed on Dec. 3, 2019. The disclosures of the prior applications are incorporated by reference in their entirety. A vacuum cleaner includes a main body and a suction nozzle. The suction nozzle includes a housing and a rotating brush. The rotating brush includes a first rotating brush, a second rotating brush, and a coupler. The coupler couples the first rotating brush and the second rotating brush so that a rotation axis of the first rotating brush and a rotation axis of the second rotating brush are positioned on the same line.Type: ApplicationFiled: December 1, 2020Publication date: November 9, 2023Inventors: Jong Myung LEE, Chi Wan KIM, Jin Rae CHO, Jung Woo LEE
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Publication number: 20230341977Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: LG Display Co., Ltd.Inventors: Chi-Wan KIM, Tae-Heon KIM, Sung-Eui SHIN, Yong-Woo LEE, Kyung-Yeol RYU, Yu-Seon KHO, Yong-Gyoon JANG
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Patent number: 11726621Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: GrantFiled: September 10, 2022Date of Patent: August 15, 2023Assignee: LG Display Co., Ltd.Inventors: Chi-Wan Kim, Tae-Heon Kim, Sung-Eui Shin, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho, Yong-Gyoon Jang
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Publication number: 20230029769Abstract: A vacuum cleaner is disclosed. The vacuum cleaner according to embodiments of the present disclosure includes a main body and a suction nozzle. The suction nozzle includes a housing, a button, a rotating brush, and a detachable cover. The housing includes an insertion hole. The button includes a first protrusion. The detachable cover includes a cover body and a slider. The cover body includes an insertion member, a second protrusion, and a rail. The rotating brush is rotatably mounted to the slider. The slider is mounted on the rail so as to be movable in a first direction. The insertion member is inserted into the insertion hole in the first direction. As the button is moved, the first protrusion is selectively positioned in a movement path in the first direction of the second protrusion.Type: ApplicationFiled: November 19, 2020Publication date: February 2, 2023Applicant: LG ELECTRONICS INC.Inventors: Jung Woo LEE, Jung Bae HWANG, Phil Jae HWANG, Chi Wan KIM
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Publication number: 20230004246Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: ApplicationFiled: September 10, 2022Publication date: January 5, 2023Applicant: LG Display Co., Ltd.Inventors: Chi-Wan KIM, Tae-Heon KIM, Sung-Eui SHIN, Yong-Woo LEE, Kyung-Yeol RYU, Yu-Seon KHO, Yong-Gyoon JANG
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Publication number: 20220400916Abstract: A vacuum cleaner is disclosed. The vacuum cleaner according to the present disclosure includes a main body and a suction nozzle. The suction nozzle includes a housing, a driver, a rotating brush, and a detachable cover. A pressing button is mounted in the housing. The detachable cover is rotated about the rotational axis of the rotating brush to be mounted in the housing. The pressing button selectively blocks rotation of the detachable cover.Type: ApplicationFiled: June 2, 2020Publication date: December 22, 2022Inventors: Phil Jae HWANG, Chung Jae RYU, Chi Wan KIM, Gyoung Min LEE, Yun bo PARK
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Patent number: 11460960Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: GrantFiled: December 11, 2019Date of Patent: October 4, 2022Assignee: LG Display Co., Ltd.Inventors: Chi-Wan Kim, Tae-Heon Kim, Sung-Eui Shin, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho, Yong-Gyoon Jang
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Patent number: 10963664Abstract: A sensor panel includes a substrate; a sensing part on the substrate and including a plurality of sensors; and a partition wall between adjacent sensors, wherein each sensor includes a first sensor electrode, a piezoelectric layer and a second sensor electrode, and wherein the partition wall has a lower dielectric constant than the piezoelectric layer.Type: GrantFiled: June 12, 2020Date of Patent: March 30, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Chi-Wan Kim, Yong-Su Ham, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho
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Publication number: 20200410195Abstract: A sensor panel includes a substrate; a sensing part on the substrate and including a plurality of sensors; and a partition wall between adjacent sensors, wherein each sensor includes a first sensor electrode, a piezoelectric layer and a second sensor electrode, and wherein the partition wall has a lower dielectric constant than the piezoelectric layer.Type: ApplicationFiled: June 12, 2020Publication date: December 31, 2020Applicant: LG Display Co., Ltd.Inventors: Chi-Wan Kim, Yong-Su Ham, Yong-Woo Lee, Kyung-Yeol Ryu, Yu-Seon Kho
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Publication number: 20200209997Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.Type: ApplicationFiled: December 11, 2019Publication date: July 2, 2020Applicant: LG Display Co., Ltd.Inventors: Chi-Wan KIM, Tae-Heon KIM, Sung-Eui SHIN, Yong-Woo LEE, Kyung-Yeol RYU, Yu-Seon KHO, Yong-Gyoon JANG
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Patent number: 8710497Abstract: An array substrate includes: a substrate; a gate line and a gate electrode on the substrate; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including a first insulator and a second insulator on the first insulator, wherein the first insulator includes an aluminum oxide material and has a first thickness, and the second insulator includes a hafnium oxide material and has a second thickness; an oxide semiconductor layer on the gate insulating layer over the gate electrode; a data line over the gate insulating layer; a source electrode and a drain electrode contacting the oxide semiconductor layer; a passivation layer on the data line, the source electrode and the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to a drain electrode through a drain contact hole.Type: GrantFiled: December 8, 2011Date of Patent: April 29, 2014Assignees: LG Dispay Co., Ltd, Inpria CorporationInventors: Jung Han Kim, Chi-Wan Kim, Jeremy T. Anderson, Kai Jiang
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Publication number: 20130146862Abstract: An array substrate includes: a substrate; a gate line and a gate electrode on the substrate; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including a first insulator and a second insulator on the first insulator, wherein the first insulator includes an aluminum oxide material and has a first thickness, and the second insulator includes a hafnium oxide material and has a second thickness; an oxide semiconductor layer on the gate insulating layer over the gate electrode; a data line over the gate insulating layer; a source electrode and a drain electrode contacting the oxide semiconductor layer; a passivation layer on the data line, the source electrode and the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to a drain electrode through a drain contact hole.Type: ApplicationFiled: December 8, 2011Publication date: June 13, 2013Applicants: INPRIA CORPORATION, LG DISPLAY CO., LTD.Inventors: Jung Han KIM, Chi-Wan KIM, Jeremy T. ANDERSON, Kai JIANG
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Patent number: 8097073Abstract: A dehumidifier is provided. The dehumidifier includes a base, a barrier installed on the base to divide front and rear portions of the base, a drain pan formed on an upper portion of the barrier to collect condensed water and provided with a water collecting hole through which the condensed water is discharged, a drain hose connected to the water collecting hole to discharge the condensed water, and a hose fixing unit formed on the barrier to fix the drain hose.Type: GrantFiled: November 1, 2006Date of Patent: January 17, 2012Assignee: LG Electronics Inc.Inventors: Won-Suk Jang, Chi-Wan Kim
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Publication number: 20100293981Abstract: A dehumidifier is provided. The dehumidifier includes a base, a barrier installed on the base to divide front and rear portions of the base, a drain pan formed on an upper portion of the barrier to collect condensed water and provided with a water collecting hole through which the condensed water is discharged, a drain hose connected to the water collecting hole to discharge the condensed water, and a hose fixing unit formed on the barrier to fix the drain hose.Type: ApplicationFiled: November 1, 2006Publication date: November 25, 2010Applicant: LG Electronics Inc.Inventors: Won-Suk Jang, Chi-Wan Kim
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Patent number: 7818974Abstract: An air conditioner is disclosed, which is suitable for improving its configuration and facilitating its assembly. The present invention includes a cabinet via which air is sucked or blown, a shroud guiding an air flow within the cabinet, a motor provided within the cabinet to forcibly circulate the air within the cabinet, an air guide penetrated by a rotational shaft of the motor, and a motor mounter coupled to the shroud to securely mount the motor thereon. Accordingly, the assembly configuration is simple and the corresponding assembly process is convenient, the vibration of the motor can be minimized, the assembly is facilitated, and the migration of the cold or hot air can be securely cut off.Type: GrantFiled: June 17, 2005Date of Patent: October 26, 2010Assignee: LG Electronics Inc.Inventors: Moon Shin Kim, Jin Myeong Cho, Chi Wan Kim
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Publication number: 20090133426Abstract: A dehumidifier includes a main body case that defines an inner space and is provided at a side with an external air inlet, a barrier dividing the inner space, a main body base that is formed on a lower end of the barrier to define an outer appearance of a lower portion of the main body, a plurality of heat exchangers that are disposed at a side of the barrier to allow circulation air circulating the inner space to be heat-exchanged with external air introduced from an external side, a drain pan for temporally storing condensed water generated from the heat exchangers, and a water tank that stores the condensed water supplied from the drain pan when being inserted in the main body base.Type: ApplicationFiled: April 26, 2007Publication date: May 28, 2009Inventor: Chi-Wan Kim