Patents by Inventor Nam-jeong Lee

Nam-jeong 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: 10187111
    Abstract: The present disclosure relates to a communication scheme and system which fuse a 5G communication system for supporting a higher data transfer rate than a 4G system with IoT technology, and a system thereof. The present disclosure may be applied to smart services such as smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety services, etc., based on 5G communication technologies and IoT related technologies.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: January 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Peng Xue, Nam-Jeong Lee, Cheol Jeong, Hyun-Seok Ryu, Sung Ho Chae
  • Patent number: 10181965
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a beyond 4G communication system such as LTE. A method for estimating a channel, by a terminal, in a wireless communication system supporting beamforming using a plurality of antenna elements, which embodiments of the present disclosure provide, comprises: a step of receiving, from a base station, a set of reference beams including a plurality of reference beams; a step of selecting at least one effective beam from the plurality of reference beams included in the set of reference beams; a step of estimating a channel between the base station and the terminal on the basis of the selected effective beam; a step of generating channel information regarding the estimated channel; and a step of transmitting the generated channel information to the base station.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: January 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyuk-Min Son, Hyun-Kyu Yu, Jae-Won Kim, Jeong-Ho Park, Nam-Jeong Lee, Cheol Jeong
  • Publication number: 20180241495
    Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate beyond a 4G communication system such as LTE.
    Type: Application
    Filed: July 22, 2016
    Publication date: August 23, 2018
    Inventors: Peng XUE, Nam-Jeong LEE, Cheol JEONG, Hyun-Seok RYU, Jeong-Ho PARK, Sung-Ho CHAE
  • Patent number: 10029449
    Abstract: The present invention relates to a method for manufacturing a single-faced thin polarizing plate, including: supplying a process film to one surface of a polarizer having a thickness of 50 ?m or less; supplying a protection film to the other surface of the polarizer; forming an adhesive layer by supplying an adhesive composition between the polarizer and the protection film; pressing a laminate of the process film/the polarizer/the protection film by disposing a pair of pressing units on a surface of each of the process film and the protection film; and stripping the process film, in which stripping force between the polarizer and the process film is 1.0 N or less.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 24, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hae-Sung Cho, Sung-Hyun Kim, Hyun-Hee Son, Dong-Kyun Ha, Kwang-Seung Park, Nam-Jeong Lee, Jun-Wuk Park, Tae-Jun Hwang
  • Publication number: 20180184439
    Abstract: The present invention relates to a 5G or pre-5G communication system for supporting higher data transmission rates than 4G communication systems such as LTE. The present invention provides a communication method of a terminal which communicates with a base station in a wireless communication system, the communication method comprising the motions of: transmitting, to the base station, a first random access request message comprising identification information of the terminal; receiving, as a response to the first random access request message, a response message comprising semi-persistent scheduling (SPS) terminal identity (ID) and uplink (UL) resource allocation information; and periodically transmitting, using the SPS terminal ID, UL data from a resource that is indicated by the UL resource allocation information, wherein the identification information of the terminal is information that indicates that the terminal will be appointed as an SPS terminal.
    Type: Application
    Filed: June 22, 2016
    Publication date: June 28, 2018
    Inventors: Nam-Jeong Lee, Peng Xue, Cheol Jeong
  • Publication number: 20180160453
    Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. A method for performing, by a terminal, random access in a wireless communication system, according to an embodiment of the present disclosure, comprises the steps of: receiving, from a base station, system information including configuration information of resources allocated for random access allocated on the basis of at least one of a user group and a coverage class; identifying, from the configuration information, configuration information of resources for random access, corresponding to the user group in which the terminal is included, or the coverage class of the terminal; and transmitting a random access request to the base station using resources corresponding to the identified configuration information of the resources for random access.
    Type: Application
    Filed: April 14, 2016
    Publication date: June 7, 2018
    Inventors: Nam-Jeong LEE, Peng XUE, Cheol JEONG
  • Patent number: 9971066
    Abstract: The present disclosure relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, wherein the protective layer is formed of a composition for a polarizing plate protective layer, including a curable compound, a non-curable polymer, and a polymerization initiator, the curable compound being at least one selected from a group consisting of a compound including a functional group containing at least one of O, N and F atoms and having an ethylenically unsaturated bond and a ring-opening polymerizable compound, and the non-curable polymer including a functional group containing at least one of O, N and F atoms in a side chain thereof.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 15, 2018
    Assignee: LG Chem, Ltd
    Inventors: Kwang-Seung Park, Hae-Sung Cho, Hyun-Hee Son, Nam-Jeong Lee, Jun-Wuk Park, Eun-Soo Huh, Mi-Rin Lee, Sung-Hyun Jeon
  • Publication number: 20180115344
    Abstract: The present disclosure relates to a communication scheme and system which fuse a 5G communication system for supporting a higher data transfer rate than a 4G system with IoT technology, and a system thereof. The present disclosure may be applied to smart services such as smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety services, etc., based on 5G communication technologies and IoT related technologies.
    Type: Application
    Filed: May 18, 2016
    Publication date: April 26, 2018
    Inventors: Peng Xue, Nam-Jeong Lee, Cheol Jeong, Hyun-Seok Ryu, Sung Ho Chae
  • Patent number: 9907017
    Abstract: A communication method and apparatus for cancelling interference are provided. The communication apparatus includes an active element configured to receive a first signal and a parasitic element configured to receive a second signal. A third signal is generated by cancelling interference in the first signal using the second signal.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: February 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Ho Chae, Nam Jeong Lee, Jong Bu Lim, Jong Ho Bang, Kyung Hun Jang
  • Publication number: 20180049180
    Abstract: The present disclosure relates to a communication technique for combining a 5G communication system that supports higher data transmission rates after 4G systems with IoT technology and to the system therefor. The present disclosure can be applied for intelligent services based on 5G communication technology and IoT related technology (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like).
    Type: Application
    Filed: December 1, 2015
    Publication date: February 15, 2018
    Inventors: Nam-Jeong Lee, Sung-Ho Chae, Cheol Jeong, Jae-Won Kim, Jeong-Ho Park, Jae-Weon Cho
  • Patent number: 9804307
    Abstract: The present disclosure relates to a multilayer optical film including a first film layer formed of a thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of a triazine-based ultraviolet absorber; a second film layer formed of a thermoplastic acrylic resin composition including 0.1 to 5.0 parts by weight of at least one ultraviolet absorber selected from a group consisting of a triazole-based ultraviolet absorber, a benzophenone-based ultraviolet absorber, an oxanilide-based ultraviolet absorber and a cyanoacrylate-based ultraviolet absorber; and a third film layer formed of the thermoplastic acrylic resin composition including 0.01 to 2.0 parts by weight of the triazine-based ultraviolet absorber, with respect to 100 parts by weight of the thermoplastic acrylic resin composition, a method of manufacturing the same, and a polarizing plate including the same.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: October 31, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Jun-Geun Um, Nam-Jeong Lee, Sang-Min Kwak, Suk-Il Youn, Sei-Jung Park
  • Publication number: 20170257230
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a beyond 4G communication system such as LTE. A method for estimating a channel, by a terminal, in a wireless communication system supporting beamforming using a plurality of antenna elements, which embodiments of the present disclosure provide, comprises: a step of receiving, from a base station, a set of reference beams including a plurality of reference beams; a step of selecting at least one effective beam from the plurality of reference beams included in the set of reference beams; a step of estimating a channel between the base station and the terminal on the basis of the selected effective beam; a step of generating channel information regarding the estimated channel; and a step of transmitting the generated channel information to the base station.
    Type: Application
    Filed: November 30, 2015
    Publication date: September 7, 2017
    Inventors: Hyuk-Min Son, Hyun-Kyu YU, Jae-Won Kim, Jeong-Ho Park, Nam-Jeong Lee, Cheol Jeong
  • Publication number: 20170251462
    Abstract: Disclosed is a 5G or a pre-5G communication system provided to support a higher data transmission rate than a system after a 4G communication system such as LTE. A method of a first BS supporting non-orthogonal multiple access and joint reception includes: allocating transmission resources for signal transmission of a first UE and a second UE serviced by the first BS and transmitting information on the allocated transmission resources to a second BS; transmitting the information on the allocated transmission resources to the first UE and the second UE; receiving a signal of the first UE and a signal of the second UE based on the information on the allocated transmission resources; and decoding the received signal of the first UE and the received signal of the second UE, wherein resources by which the signal of the first UE is transmitted overlap with a part of resources by which the signal of the second UE is transmitted.
    Type: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Inventors: Sung-Ho Chae, Cheol Jeong, Peng Xue, Nam-Jeong Lee
  • Patent number: 9715045
    Abstract: The present invention relates to an optical film including an acryl-based film; and a functional coating layer formed on at least one surface of the acryl-based film, containing a conductive material and a water-dispersible resin and having surface resistance of 109 W/Sq to 1013 W/Sq.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: July 25, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kyoung-Won Kim, Nam-Jeong Lee, Hwa-Sub Shim, Jun-Wuk Park, Yi-Rang Lim
  • Patent number: 9690138
    Abstract: There are provided a retardation film, a manufacturing method thereof, and a liquid crystal display device including the same. The retardation film includes 1) an acrylic film, 2) a coating layer of a negative C-type material, and 3) a primer layer including a copolymer containing an aromatic vinyl-based unit and a maleic acid-based unit, provided between the acrylic film and the coating layer of the negative C-type material. The retardation film may be used in an in-plane switching mode liquid crystal display device.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: June 27, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jun-Wuk Park, Jeong-Min Choi, Nam-Jeong Lee
  • Patent number: 9690020
    Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1 ?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1 ?m?1 in a wavelength band of 330 to 400 nm, an acrylic resin, and a hindered amine light stabilizer (HALS), and a polarizing plate including the same.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: June 27, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Suk-Il Youn, Nam-Jeong Lee, Sang-Min Kwak, Kyung-Jae Kwon
  • Patent number: 9667327
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for channel-related information feedback in a beamforming system, performed by a transmitter is provided. The method includes determining whether a receiver is to feed back gain information about an effective channel established between the transmitter and the receiver using channel-related information between the transmitter and the receiver, notifying the receiver of a feedback mode indicating whether the gain information is to be fed back, upon receipt of feedback information configured based on the feedback mode from the receiver, reconfiguring the effective channel based on the feedback information, and transmitting a signal on the reconfigured effective channel.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-Jeong Lee, Jae-Won Kim, Jeong-Ho Park, Hyuk-Min Son, Hyun-Kyu Yu, Su-Ryong Jeong, Cheol Jeong
  • Patent number: 9634696
    Abstract: A transmitter configured to support a multimode and a multiband, using radio frequency (RF) digital-to-analog converters (DACs), includes a first RF DAC configured to transmit a first signal in a first frequency band, and a second RF DAC configured to transmit a second signal in a second frequency band different from the first frequency band. The transmitter further includes an impedance controller configured to adjust impedance of one of the first RF DAC and the second RF DAC operating in an impedance matching mode to adjust a frequency range of another one of the first RF DAC and the second RF DAC operating in a data transmission mode.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: April 25, 2017
    Assignees: Samsung Electronics Co., Ltd., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Nam Jeong Lee, Bum Man Kim, Dong Soo Kim, Ha Dong Jin, Byung Chang Kang, Jong Ho Bang, Byung Moo Lee
  • Patent number: 9581734
    Abstract: There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr?1?m?1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr?1?m?1 in a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Suk-Il Youn, Sang-Min Kwak, Kyung-Jae Kwon, Nam-Jeong Lee
  • Patent number: 9523792
    Abstract: A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 ?m to 3 ?m thick, and there is also provided an optical device including the double-sided polarizer.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: December 20, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Mi Seo, Hwa-Sub Shim, Jee-Hyon Min, Nam-Jeong Lee, Kyun-Il Rah, Jun-Wuk Park, Eun Soo Huh, Yi-Rang Lim