Patents by Inventor Ji-Min Lee

Ji-Min Lee 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: 8294974
    Abstract: Disclosed is an electrochromic material including a compound represented by Chemical Formula 1 and an electrochromic device including the electrochromic material. In Chemical Formula 1, R1, R2, L1, and L2 are as defined in the detailed description.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: October 23, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Rupasree Ragini Das, Ji-Min Lee, Chang-Ho Noh, Seog-Jin Jeon
  • Patent number: 8279513
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials are viologens into which an imidazole derivative is asymmetrically introduced. The electrochromic materials can be used in a variety of electrochromic displays, including electrochromic windows and smart windows. Also disclosed herein are electrochromic devices that use the electrochromic materials.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Rupasree RaginiDAS, Chang Ho Noh, Ji Min Lee
  • Patent number: 8274213
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials produce various colors and have bistability to achieve red-green-blue full colors. Therefore, the electrochromic materials can be used in a variety of electrochromic devices. Also disclosed herein are electrochromic devices fabricated using the electrochromic materials.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: September 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Uk Son, Ji Min Lee, Chang Ho Noh
  • Publication number: 20120206009
    Abstract: The present invention relates to a stator for a motor having a stator core having an annular back yoke and teeth protruded annularly in a radial direction from the back yoke, a plurality of coils adapted to be wound on the teeth, and an insulator adapted to cover the stator core and the coils for insulation and having supporting ends formed sequentially to have different heights so as to support the plurality of coils thereon, thereby preventing the plurality of coils from being in contact with one another and locking projections formed at both sides or one side of the supporting ends so as to prevent the coils from escaping from the supporting ends, wherein each of the supporting ends has a stepped groove formed at a position spaced apart by a predetermined distance from the locking projections so as to allow the nozzle of the coil winding machine to be accessed thereto, and a total of the depth of the stepped groove and the height of each of the locking projections is larger than the radius of the nozzle.
    Type: Application
    Filed: October 23, 2010
    Publication date: August 16, 2012
    Applicant: New Motech Co., Ltd.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Publication number: 20120175992
    Abstract: A stator for a compressor motor that has a structure in which the ends of insulation films inserted into slots of a stator core are supportedly locked to locking protrusions formed on upper and lower insulators for insulating the upper and lower sides of the stator core, thereby allowing the insulation films to be securely supported and providing easy assembling process for the insulation film and the upper and lower insulators.
    Type: Application
    Filed: March 16, 2012
    Publication date: July 12, 2012
    Applicant: New Motech Co., Ltd.
    Inventors: Jeong Cheol JANG, Ji Min LEE
  • Publication number: 20120169173
    Abstract: The present invention relates to a stator for a motor including: a stator core having an annular back yoke and a plurality of teeth; an upper insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a lower insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a plurality of insulation films each adapted to be inserted into the slot to cover the side of the stator core exposed to the inside of the slot between the upper insulator and the lower insulator; and coils adapted to be wound on the teeth of the stator core enclosed by the upper insulator, the lower insulator and the insulation films.
    Type: Application
    Filed: October 23, 2010
    Publication date: July 5, 2012
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Publication number: 20110294130
    Abstract: The present invention relates to a method for screening an anticancer agent using ROR?, the method comprising the steps of: culturing cells; bringing a potential substance into contact with the cells; determining whether the phosphorylation level of ROR? in the cells increases as compared to that in control cells (not brought into contact with the potential substance); and selecting the potential substance as an anticancer agent if the phosphorylation level of ROR? in the cells increases.
    Type: Application
    Filed: January 8, 2010
    Publication date: December 1, 2011
    Inventors: Keun Il Kim, Ji Min Lee, Sung Hee Baek
  • Publication number: 20110235150
    Abstract: Disclosed is an electrochromic material including a compound represented by Chemical Formula 1 and an electrochromic device including the electrochromic material. In Chemical Formula 1, R1, R2, L1, and L2 are as defined in the detailed description.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 29, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Rupasree Ragini DAS, Ji-Min LEE, Chang-Ho NOH, Seog-Jin JEON
  • Publication number: 20110184181
    Abstract: Disclosed herein are novel electrochromic materials. The electrochromic materials are viologens into which an imidazole derivative is asymmetrically introduced. The electrochromic materials can be used in a variety of electrochromic displays, including electrochromic windows and smart windows. Also disclosed herein are electrochromic devices that use the electrochromic materials.
    Type: Application
    Filed: April 8, 2011
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Rupasree RaginiDAS, Chang Ho NOH, Ji Min LEE
  • Patent number: 7906886
    Abstract: The present invention relates to an axial motor, and more specifically, to an axial motor which has a simple structure and is easily assembled by inserting and holding core teeth in core teeth insertion holes circularly arranged on a yoke. The axial motor according to the present invention includes: a stator having core teeth which are insulated by insulators, arranged in a ring-shaped pattern, and have a coil wound thereon; and a rotor having magnets which are arranged in a ring-shaped pattern to face the ends of the core teeth in an axial direction and are supported by the rotor axis at the center of the rotor to rotate relatively with respect to the stator.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: March 15, 2011
    Assignee: New Motech Co., Ltd.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Patent number: 7906879
    Abstract: The present invention provides a motor comprising: a stator which contains a core insulated with an insulator and wrapped with a coil therearound, wherein the coil includes an aluminum core wire with a coating film therearound; a tab terminal including at least one slit in which the coil is inserted; and a magmate that is inserted into the tab terminal by forming both the slit to which the coil is electrically connected through insertion and a contact unit which contacts the external electric terminal for an electric connection, characterized in that the tab terminal is divided by a barrier into a coil connection space unit and a terminal connection space unit, and the slit opened from the upper side to the lower side is formed on an outer wall of the coil connection space unit to allow the insertion of the coil.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: March 15, 2011
    Assignee: New Motech Co., Ltd.
    Inventors: Jeong Cheol Jang, Ji Min Lee
  • Publication number: 20110037335
    Abstract: The present invention relates to an axial motor, and more specifically, to an axial motor which has a simple structure and is easily assembled by inserting and holding core teeth in core teeth insertion holes circularly arranged on a yoke. The axial motor according to the present invention includes: a stator having core teeth which are insulated by insulators, arranged in a ring-shaped pattern, and have a coil wound thereon; and a rotor having magnets which are arranged in a ring-shaped pattern to face the ends of the core teeth in an axial direction and are supported by the rotor axis at the center of the rotor to rotate relatively with respect to the stator.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 17, 2011
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Ji Min LEE
  • Publication number: 20110037331
    Abstract: The present invention provides a motor comprising: a stator which contains a core insulated with an insulator and wrapped with a coil therearound, wherein the coil includes an aluminum core wire with a coating film therearound; a tab terminal including at least one slit in which the coil is inserted; and a magmate that is inserted into the tab terminal by forming both the slit to which the coil is electrically connected through insertion and a contact unit which contacts the external electric terminal for an electric connection, characterized in that the tab terminal is divided by a barrier into a coil connection space unit and a terminal connection space unit, and the slit opened from the upper side to the lower side is formed on an outer wall of the coil connection space unit to allow the insertion of the coil.
    Type: Application
    Filed: October 26, 2010
    Publication date: February 17, 2011
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Ji Min Lee
  • Publication number: 20110002027
    Abstract: An electrochromic material including at least one compound represented by Chemical Formulas 1 to 3: wherein Z1 to Z3 are each independently selected from a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group or a combination thereof, R1 to R3 are each independently selected from a single bond, a substituted or unsubstituted C1 to C30 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group or a combination thereof.
    Type: Application
    Filed: February 16, 2010
    Publication date: January 6, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Rupasree Ragini Das, Chang-Ho Noh, Ji-Min Lee, Seog-Jin Jeon
  • Patent number: 7745536
    Abstract: The present invention relates to an acryl-silicon rubber complex polymer which has a seed-core-shell structure wherein vinyl monomer and hydrophilic monomer are cross-linked on the seed; the acryl-silicon complex IPN core having an IPN (interpenetrating network) structure formed by radical polymerization of acryl monomer and hydrosilyation of silicon rubber in which silicon rubber particles are dispersed by being cross-linked to acryl rubber, in a continuous phase, is formed on the seed; and a shell prepared by graft-polymerization of C1-C4 alkyl methacrylate to the acryl-silicon complex IPN core is formed on the core, and a method of preparation and use of the same, thereby having excellent impact resistance, weatherability and gloss, so that it can be effectively used as an impact modifier for vinyl chloride resin.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: June 29, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-jin Lee, Jeong-heon Ahn, Hye-kyong Lee, Boo-ho Seo, Ji-min Lee
  • Patent number: D632014
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 1, 2011
    Assignee: Amorepacific Corporation
    Inventor: Ji Min Lee
  • Patent number: D632016
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 1, 2011
    Assignee: Amorepacific Corporation
    Inventor: Ji Min Lee
  • Patent number: D632017
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 1, 2011
    Assignee: Amorepacific Corporation
    Inventor: Ji Min Lee
  • Patent number: D633653
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: March 1, 2011
    Assignee: Amorepacific Corporation
    Inventor: Ji Min Lee
  • Patent number: D663483
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: July 10, 2012
    Assignee: Amorepacific Corporation
    Inventor: Ji Min Lee