Patents by Inventor Yu-jin Lim

Yu-jin Lim 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: 20210063780
    Abstract: A display unit manufacturing system including: a panel conveyance route including an optical film attaching unit configured to attach an optical film to a panel; an inspection unit which inspects whether the panel having the optical film attached thereto is defective and identifies a defective panel; a panel storing unit which stores the defective panel after the optical film is separated therefrom; and a control unit which controls whether the panel stored in the panel storing unit is supplied to the panel conveyance route.
    Type: Application
    Filed: March 20, 2019
    Publication date: March 4, 2021
    Inventors: Beom Seok LEE, Yu Jin LIM, Hang Suk CHOI, Eung Jin JANG
  • Patent number: 10807348
    Abstract: Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 20, 2020
    Assignee: LG CHEM, LTD.
    Inventors: San Park, Hang Suk Choi, Eung Jin Jang, Suk Jae Lee, Kyung Hyeok Park, Bong Su Jeung, Jea Han Ryoo, Pil Soo Nam, Beom Seok Lee, Yu Jin Lim
  • Publication number: 20200316819
    Abstract: Provided is a method for manufacturing thermoplastic polymer particles, the method comprising the steps of: supplying a thermoplastic polymer resin to an extruder and extruding the same; supplying the extruded thermoplastic polymer resin and air to a nozzle, bringing the thermoplastic polymer resin into contact with the air to granulate the thermoplastic polymer resin, and then discharging the granulated thermoplastic polymer resin; and supplying discharged thermoplastic polymer particles to a cooling unit to cool the thermoplastic polymer particles, and then collecting the cooled thermoplastic polymer particles.
    Type: Application
    Filed: March 9, 2018
    Publication date: October 8, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Hee-Jung Lee, Sung Yong Kang, Kyoung Min Kang, Min Gyung Kim, Chang-Young Park, Jae Ho Lim, Jun Ho Choi, Jae Han Song, Yu Jin Go
  • Publication number: 20200234866
    Abstract: An inductor according to one embodiment of the present invention comprised: a magnetic core; and a coil wound around the magnetic core, wherein the magnetic core includes a plurality of stacked sub-magnetic cores, each sub-magnetic core includes a first magnetic body and a second magnetic body, the first magnetic body and the second magnetic core are different materials, the second magnetic body is arranged on a surface of the first magnetic body, each sub-magnetic core has a toroidal shape, and a permeability of the first magnetic body differs from a permeability of the second magnetic body.
    Type: Application
    Filed: February 13, 2018
    Publication date: July 23, 2020
    Inventors: Mi Jin LEE, Yu Seon KIM, Seok BAE, Ji Yeon SONG, Sang Won LEE, Jong Wook LIM
  • Publication number: 20200127363
    Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 23, 2020
    Applicant: WITS Co., Ltd.
    Inventors: Sang Beom LEE, Hyung Wook Cho, Jun Seung Yi, Yu Jin Lee, Jae Suk Sung, Dae Ki Lim, Seung Hun Ryu, Ki Won Chang, Jae Hyoung Cho, Si Hyung Kim
  • Patent number: 10629956
    Abstract: The present invention relates to a method of preparing a lithium secondary battery which includes preparing a lithium secondary battery, which includes an electrode assembly including a positive electrode, a separator, and a negative electrode, a non-aqueous electrolyte solution, in which the electrode assembly is impregnated, and a battery case accommodating the electrode assembly and the non-aqueous electrolyte solution; performing formation on the lithium secondary battery by charging and discharging the lithium secondary battery; and degassing, wherein the positive electrode includes a positive electrode active material and carbon nanotubes as a conductive agent, the non-aqueous electrolyte solution includes a lithium salt, an organic solvent, and monofluorobenzene as an additive, and the performing of the formation is performed by charging to a state of charge (SOC) of 65% to 80% while applying a pressure of 0.5 kgf/cm2 to 5 kgf/cm2 at 60° C. to 80° C.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung Min Lee, Young Min Lim, Chul Haeng Lee, Yu Ha An, Yi Jin Jung
  • Publication number: 20200071470
    Abstract: Provided are thermoplastic polymer particles having an aspect ratio of 1.00 or more and less than 1.05, and a roundness of 0.95 to 1.00. The thermoplastic polymer particles are formed from a thermoplastic polymer resin in a continuous matrix phase. The thermoplastic polymer particles show a peak cold crystallization temperature (Tcc) at a temperature between a glass transition temperature (Tg) and the melting point (Tm) in a differential scanning calorimetry (DSC) curve which is derived from temperature rise analysis at 10° C./min by differential scanning calorimetry.
    Type: Application
    Filed: March 9, 2018
    Publication date: March 5, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Jae Ho Lim, Sung Yong Kang, Kyoung Min Kang, Hee-Jung Lee, Min Gyung Kim, Chang-Young Park, Jun Ho Choi, Jae Han Song, Yu Jin Go
  • Patent number: 10567042
    Abstract: A coil module may include: a board; an input/output terminal unit formed on the board; and a coil for near field communications (NFC) disposed on one, or a plurality of, surface(s) of the board and connected to the input/output terminal unit, wherein the coil for NFC includes a first pattern portion having one end connected to the input/output terminal unit and disposed on the board to rotate or turn in one direction, a second pattern portion connected to the first pattern portion and traversing an internal area of the first pattern portion to divide the internal area of the first pattern portion into at least two portions, and a third pattern portion having one end connected to the second pattern portion and the other end connected to the input/output terminal unit.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 18, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Dae Ung Ahn, Si Hyung Kim, Hyeon Gil Nam, Ki Won Chang, Yu Jin Lee, Dae Ki Lim
  • Publication number: 20200032005
    Abstract: The present invention provides thermoplastic polyurethane particles, which are formed in a continuous matrix phase from a thermoplastic polyurethane resin and have a particle diameter of 200-500 ?m. In a differential scanning calorimetry (DSC) curve of the thermoplastic polyurethane particles, derived from the analysis of a temperature rise of 10° C./min by DSC, a peak of the cold crystallization temperature (Tcc) is shown at a temperature between the glass transition temperature (Tg) and the melting point (Tm). The thermoplastic polyurethane particles have a compression degree of 10-20%.
    Type: Application
    Filed: March 9, 2018
    Publication date: January 30, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Min Gyung Kim, Sung Yong Kang, Kyoung Min Kang, Hee-Jung Lee, Chang-Young Park, Jae Ho Lim, Jun Ho Choi, Jae Han Song, Yu Jin Go
  • Publication number: 20200032049
    Abstract: The present invention provides polylactic acid particles, which are formed in a continuous matrix phase from a polylactic acid resin and have a particle diameter of 1 to 100 ?m. In a differential scanning calorimetry (DSC) curve of the polylactic acid particles, derived from the analysis by DSC using a temperature rise of 10° C./min, a peak of the cold crystallization temperature (Tcc) is shown at a temperature between the glass transition temperature (Tg) and the melting point (Tm). The polylactic acid particles have an aspect ratio of more than or equal to 1.00 and less than 1.05 and a roundness of 0.95 to 1.00. The polylactic acid particles have a flow time of 20 to 30 seconds.
    Type: Application
    Filed: March 9, 2018
    Publication date: January 30, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Kyoung Min Kang, Sung Yong Kang, Hee-Jung Lee, Min Gyung Kim, Chang-Young Park, Jae Ho Lim, Jun Ho Choi, Jae Han Song, Yu Jin Go
  • Patent number: 10547098
    Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: January 28, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Sang Beom Lee, Hyung Wook Cho, Jun Seung Yi, Yu Jin Lee, Jae Suk Sung, Dae Ki Lim, Seung Hun Ryu, Ki Won Chang, Jae Hyoung Cho, Si Hyung Kim
  • Publication number: 20190355500
    Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.
    Type: Application
    Filed: January 2, 2018
    Publication date: November 21, 2019
    Inventors: Mi Jin LEE, Ji Yeon SONG, Yu Seon KIM, Jong Wook LIM, Seok BAE, Sang Won LEE
  • Patent number: 10482237
    Abstract: An electronic device is provided. The electronic device includes a memory to store an application, a communication interface to communicate with an external device, and a processor operatively connected with the memory and the communication interface. The processor determines whether the application is authenticated if receiving an installation request or an execution request of the application, generates a policy file associated with a domain of the application if the application is authenticated, and assigns the application to a specified domain, which is accessible to a secure area of the memory, based on the generated policy file.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung Deuk Kim, Bum Taek Lim, Yu Jin Jung, Sang Youl Ha
  • Patent number: 10469133
    Abstract: An antenna device includes a first wiring may include a spiral shape forming an empty region therein, and a second wiring disposed inside or outside of the first wiring. The second wiring is disposed to be spaced apart from the first wiring, and includes a first ring-shaped wiring and a second ring-shaped wiring, which are concentric to each other.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: November 5, 2019
    Assignee: WITS Co., Ltd.
    Inventors: Dae Ung Ahn, Hyung Wook Cho, Jun Seung Yi, Yu Jin Lee, Seung Hun Ryu, Sang Beom Lee, Dae Ki Lim, Jae Hyoung Cho, Si Hyung Kim
  • Patent number: 10395026
    Abstract: An electronic device includes a memory configured to store an application, a communication interface, and a processor. The processor is configured to receive a request to install or execute the application, verify whether the application is authenticated compare at least part of an icon for executing the application with a security indication associated with security of the application. The electronic device provides a result of comparing the at least part of the icon with the security indication based on whether the application is authenticated.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Soo Lee, Young Su Seo, Hye Min Song, Dae Kyu Shin, Jun Tae Lee, Hee Kuk Lee, Bum Taek Lim, Yu Jin Jung, Dong Jin Choi, Tushar Balasaheb Sandhan
  • Patent number: 10374911
    Abstract: The present disclosure is related to device management in a machine to machine (M2M) network. Particularly, the present disclosure relates to performing an efficient device management based on correlations between M2M devices in the M2M network.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: August 6, 2019
    Assignee: KT CORPORATION
    Inventors: Hwi-Jung Ryu, Mi-Kyoung Kang, Yong Kwon, Sung-Ihk Yang, Kwang-Jin Lee, Sung-Kooc Lim, Yu-Jin Huh
  • Publication number: 20190237823
    Abstract: A method for manufacturing a lithium secondary battery including the steps of manufacturing a lithium secondary battery including an electrode assembly, a non-aqueous electrolyte in which the electrode assembly is impregnated, and a battery case receiving the non-aqueous electrolyte; performing formation of the lithium secondary battery; and performing a degassing process for removing gas generated inside the lithium secondary battery, wherein the non-aqueous electrolyte includes a lithium salt, an organic solvent and 1,2,3-trifluorobenzen as an additive, wherein the 1,2,3-trifluorobenzen is included in an amount of 0.1 wt % to 10 wt % based on the total weight of the non-aqueous electrolyte, and the formation step is performed by charging the state of charge (SOC) of the battery up to 10% to 80%, while applying a voltage of 3.5 V to 4.5 V under a pressure of 0.5 kgf/cm2 to 5 kgf/cm2 at 45° C. to 80° C.
    Type: Application
    Filed: February 2, 2018
    Publication date: August 1, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jung Min Lee, Young Min Lim, Chul Haeng Lee, Yu Ha An, Yi Jin Jung, Yeon Ji Oh
  • Patent number: 10360375
    Abstract: A electronic device and a control method of the electronic device are provided. A control method includes providing a first environment in which at least one application can operate and a second environment having an operation environment at least partially different from the first environment; determining whether a first application among the at least one application is to be executed in the second environment, when an execution command of the first application is acquired; and executing the first application in the second environment, when it is determined that the first application is to be executed in the second environment.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Su Seo, Nandeeshwar Kodihalli, Joon-Ho Park, Hye-Min Song, Yu-Jin Jung, Young-Jip Kim, Tae-Soo Lee, Bum-Taek Lim, Dong-Jin Choi, Jun-Tae Lee
  • Publication number: 20190193382
    Abstract: Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.
    Type: Application
    Filed: July 17, 2017
    Publication date: June 27, 2019
    Inventors: San PARK, Hang Suk CHOI, Eung Jin JANG, Suk Jae LEE, Kyung Hyeok PARK, Bong Su JEUNG, Jea Han RYOO, Pil Soo NAM, Beom Seok LEE, Yu Jin LIM
  • Publication number: 20190148211
    Abstract: A deposition apparatus for depositing a material on a wafer, the apparatus including a lower shower head; an upper shower head disposed on the lower shower head, the upper shower head facing the lower shower head; and a support structure between the upper shower head and the lower shower head, the wafer being supportable by the support structure, wherein the upper shower head includes upper holes for providing an upper gas onto the wafer, the lower shower head includes lower holes for providing a lower gas onto the wafer, the support structure includes a ring body surrounding the wafer; a plurality of ring support shafts between the ring body and the lower shower head; and a plurality of wafer supports extending inwardly from a lower region of the ring body to support the wafer, and the plurality of wafer supports are spaced apart from one another.
    Type: Application
    Filed: May 31, 2018
    Publication date: May 16, 2019
    Inventors: Ji Youn SEO, Byung Sun PARK, Sung Jin PARK, Ji Woon IM, Hyun Seok LIM, Byung Ho CHUN, Yu Seon KANG, Hyuk Ho KWON, Tae Yong EOM, Dae Hun CHOI, Dong Hyeop HA