Patents by Inventor Soo Hee Kim
Soo Hee 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: 20260163178Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes a carbodiimide-based cross-linking agent. The filler includes a filler having a particle diameter D100 of 1.0 m or less. The adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.Type: ApplicationFiled: April 7, 2025Publication date: June 11, 2026Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Eon Mi LEE, Min Jeong LEE, Yoo Bin HAN, Jung Yoon LEE
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Publication number: 20260149124Abstract: Examples present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder, a cross-linking agent, and carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes one or more of an aziridine-based cross-linking agent and a carbodiimide-based cross-linking agent.Type: ApplicationFiled: April 14, 2025Publication date: May 28, 2026Applicant: SAMSUNG SDI CO., LTD.Inventors: Soo Hee KIM, Chang Hong KO, Jin Weon SEO, Eon Mi LEE, Sam Jin PARK, Min Jeong LEE, Yoo Bin HAN
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Publication number: 20260081306Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, a coating layer located on at least one surface of the porous substrate, and an adhesive layer located on one surface of the coating layer. The coating layer includes a crosslinked product of a binder, a cross-linking agent, and a carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder that includes a first structural unit derived from (meth)acryl amide and a second structural unit derived from (meth)acrylamidosulfonic acid or a salt thereof. The crosslinking agent includes an aziridine-based crosslinking agent, and the adhesive layer includes a (meth)acryl-based adhesive binder.Type: ApplicationFiled: September 12, 2025Publication date: March 19, 2026Applicant: SAMSUNG SDI CO., LTD.Inventors: Byong Joon HAN, Chang Hong KO, Soo Hee KIM, Eon Mi LEE, Yoo Bin HAN, In Hye CHOI, Hak Min LEE
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Publication number: 20250337106Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a binder and a filler. The binder includes a (meth)acryl-based binder including a sulfonate group-containing structural unit. The filler includes a mixture of boehmite and barium titanate in a weight ratio in a range of about 20:80 to about 80:20 with respect to 100 parts by weight of the mixture of boehmite and barium titanate.Type: ApplicationFiled: April 28, 2025Publication date: October 30, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jung Yoon LEE, Soo Hee KIM, Jin Weon SEO
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Publication number: 20250337103Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder, a cross-linking agent, and carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylamide and a second structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof. The cross-linking agent includes one or more of an aziridine-based cross-linking agent and a carbodiimide-based cross-linking agent.Type: ApplicationFiled: April 29, 2025Publication date: October 30, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Chang Hong KO, Soo Hee KIM, Sam Jin PARK, Eon Mi LEE, Min Jeong LEE, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250337105Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and the separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The binder includes a (meth)acryl-based binder including one or more of a first structural unit derived from (meth)acrylamide, a second structural unit derived from (meth)acrylic acid or (meth)acrylate, and a third structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof, the cross-linking agent includes an aziridine-based cross-linking agent. The filler includes a filler having a particle diameter D100 of about 0.5 ?m or less, and the adhesive binder includes a cross-linked (meth)acryl-based polymer or copolymer.Type: ApplicationFiled: April 28, 2025Publication date: October 30, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jung Yoon LEE, Soo Hee KIM, Jin Weon SEO
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Publication number: 20250329878Abstract: Examples of the present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. A separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent. The filler is surface-modified and has a particle diameter D100 of about 1.5 ?m or less, and the adhesive binder includes a cross-linked aziridine-based adhesive binder.Type: ApplicationFiled: April 17, 2025Publication date: October 23, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Eon Mi LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Min Jeong LEE, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250316843Abstract: Examples of the present disclosure relate to a separator for a lithium secondary battery, and a lithium secondary battery including the separator, and include a separator for a lithium secondary battery, the separator including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit, the cross-linking agent includes a carbodiimide-based cross-linking agent, and the filler includes a filler having a particle diameter D100 of about 1.0 ?m or less.Type: ApplicationFiled: April 7, 2025Publication date: October 9, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Eon Mi LEE, Min Jeong LEE, Yoo Bin HAN, Jung Yoon LEE
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Publication number: 20250234165Abstract: Disclosed are a message service provision method for providing a message service via an open chat room corresponding to link information, and a message server and a terminal for executing the message service provision method. The message service provision method comprises the steps of: transmitting, to a message server, a request for issuing link information for an open chat room via a message application; receiving, from the message server, link information generated in response to the request for issuing link information; sharing the link information according to a request for sharing inputted by a user of a host terminal; and performing chatting with a user of a guest terminal participating in the open chat room by means of the shared link information; wherein the user of the guest terminal and the user of the host terminal are users who subscribed to a message service provided via the message server.Type: ApplicationFiled: March 31, 2025Publication date: July 17, 2025Inventors: Ji Sun LEE, Mun Heon KIM, Soo Hee KIM, Hong Kyu PARK, Sang Won MOON, Ki Yong SHIM, Hye Jung IM
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Publication number: 20250202058Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder including a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, and the filler is surface-modified and has a particle diameter D100 of about 1.5 ?m or less.Type: ApplicationFiled: December 13, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250202046Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler and an adhesive binder. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylate or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent. The filler has a particle diameter D100 of about 1.0 m or less. The adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.Type: ApplicationFiled: December 10, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Eon Mi LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Min Jeong LEE, Jin Weon SEO, Yoo Bin HAN
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Publication number: 20250202047Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and include a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent; and a filler. The binder includes a (meth)acryl-based binder containing a structural unit derived from (meth)acrylamide or (meth)acrylic acid, a cyano group-containing structural unit, and a sulfonate group-containing structural unit. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.Type: ApplicationFiled: December 13, 2024Publication date: June 19, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Sam Jin PARK, Chang Hong KO, Min Jeong LEE, Eon Mi LEE, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN
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Patent number: 12319199Abstract: A lighting device of a steering wheel and an assembling method of the lighting device improving an assembly process and mass productivity of the lighting device by simplifying an assembly structure thereof, includes a grip body forming a rim of the steering wheel and including a body groove portion formed in a shape in which the body groove portion is cut away along the rim, a bezel fitted to the body groove portion and assembled to the grip body so that the body groove portion is covered by the bezel, the bezel including a center portion provided with a light transmission hole, and includes a light emitting body assembled to the bezel to overlap the light transmission hole from between the body groove portion and the bezel, the light emitting body being configured to emit light through the light transmission hole.Type: GrantFiled: July 15, 2024Date of Patent: June 3, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DH AUTOLEAD CO., LTDInventors: Soo Hee Kim, Hyo Ryeol Sim, Jun Ho Bang, Eung Joo Kim, Seok Geun Lee, In Taek Jeong, Yun Su Kim, Jong Hyun Koo
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Publication number: 20250174826Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a separator for a rechargeable lithium battery including a porous base and a coating layer located on at least one surface of the porous base. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a second structural unit containing a heterocyclic ketone group. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.Type: ApplicationFiled: November 27, 2024Publication date: May 29, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Soo Hee KIM, Sam Jin PARK, Min Jeong LEE, Jung Yoon LEE, Yoo Bin HAN, Eon Mi LEE
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Publication number: 20250174827Abstract: Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the. An example separator for a rechargeable lithium battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder. The adhesive binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a heterocyclic ketone group-containing second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of about 1.0 ?m or less, and the adhesive binder includes a cross-linked (meth)acryl-based adhesive binder.Type: ApplicationFiled: November 27, 2024Publication date: May 29, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Jin Weon SEO, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Eon Mi LEE, Min Jeong LEE, Yoo Bin HAN, Jung Yoon LEE
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Publication number: 20250167397Abstract: The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder and a cross-linking agent, a filler, and an adhesive binder that includes a (meth)acryl-based binder containing a first structural unit and a second structural unit, the cross-linking agent includes an aziridine-based cross-linking agent, the filler has a particle diameter D100 of 1.0 ?m or less, and the adhesive binder includes a first structural unit derived from a vinyl aromatic-based monomer, a second structural unit derived from an alkyl (meth)acrylate, and a third structural unit derived from a phosphonate-based monomer.Type: ApplicationFiled: November 22, 2024Publication date: May 22, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Min Jeong LEE, Chang Hong KO, Sam Jin PARK, Soo Hee KIM, Jin Weon SEO, Yoo Bin HAN, Eon Mi LEE
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Publication number: 20250158224Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide, and a second structural unit including at least one of a structural unit derived from (meth)acrylic acid, (meth)acrylate, and a structural unit derived from (meth)acrylamido sulfonic acid. The cross-linking agent includes an aziridine-based cross-linking agent in an amount ranging from about 5 wt % to about 50 wt % with respect to the (meth)acryl-based binder, and the filler has a particle diameter D100 of about 0.7 ?m or less.Type: ApplicationFiled: November 13, 2024Publication date: May 15, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Soo Hee KIM, Jung Yoon LEE, Jin Weon SEO, Eon Mi LEE, Sam Jin PARK, Min Jeong LEE, Yoo Bin HAN, Chang Hong KO
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Patent number: 12284575Abstract: Disclosed are a message service provision method for providing a message service via an open chat room corresponding to link information, and a message server and a terminal for executing the message service provision method. The message service provision method comprises the steps of: transmitting, to a message server, a request for issuing link information for an open chat room via a message application; receiving, from the message server, link information generated in response to the request for issuing link information; sharing the link information according to a request for sharing inputted by a user of a host terminal; and performing chatting with a user of a guest terminal participating in the open chat room by means of the shared link information; wherein the user of the guest terminal and the user of the host terminal are users who subscribed to a message service provided via the message server.Type: GrantFiled: September 7, 2023Date of Patent: April 22, 2025Assignee: KAKAO CORP.Inventors: Ji Sun Lee, Mun Heon Kim, Soo Hee Kim, Hong Kyu Park, Sang Won Moon, Ki Yong Shim, Hye Jung Im
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Patent number: 12195469Abstract: The present invention provides a compound having a specific chemical structure and having PDE9A inhibitory activity, or a pharmaceutically acceptable salt thereof. The present invention provides a composition containing the compound or a pharmaceutically acceptable salt thereof. The present invention provides a pharmaceutical use, for treating or preventing PDE9A-related diseases, of the compound according to the present invention, a salt thereof, and a composition containing the compound or salt. The present invention also provides a method for treating or preventing PDE9A-related diseases, the method comprising administering an effective amount of the compound according to the present invention, a salt thereof, or a composition containing the compound or salt to a subject in need of treatment.Type: GrantFiled: December 5, 2019Date of Patent: January 14, 2025Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Chae Jo Lim, Kwang-Seok Oh, Jeong Hyun Lee, Kyu Yang Yi, Nack Jeong Kim, Byung Ho Lee, Ho Won Seo, Soo Hee Kim, Junyoung Choi, Mi Young Lee, Ju Hee Lee
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Patent number: 12187729Abstract: The present invention provides a compound having a specific chemical structure and having PDE9A inhibitory activity, or a pharmaceutically acceptable salt thereof. The present invention provides a composition containing the compound or a pharmaceutically acceptable salt thereof. The present invention provides a pharmaceutical use, for treating or preventing PDE9A-related diseases, of the compound according to the present invention, a salt thereof, and a composition containing the compound or salt. The present invention also provides a method for treating or preventing PDE9A-related diseases, the method comprising administering an effective amount of the compound according to the present invention, a salt thereof, or a composition containing the compound or salt to a subject in need of treatment.Type: GrantFiled: December 5, 2019Date of Patent: January 7, 2025Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Chae Jo Lim, Kwang-Seok Oh, Jeong Hyun Lee, Kyu Yang Yi, Nack Jeong Kim, Byung Ho Lee, Ho Won Seo, Soo Hee Kim, Junyoung Choi, Mi Young Lee, Ju Hee Lee