Patents by Inventor Hyeon Shin

Hyeon Shin 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: 10323104
    Abstract: The present specification relates to a dye complex, a light conversion film, and an electronic device including the same.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: June 18, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Du Hyeon Shin, Sehwan Son, Jungho Lim
  • Publication number: 20190066793
    Abstract: A semiconductor memory device includes a memory cell array coupled to a plurality of word lines, a voltage generator generating a program voltage and first and second pass voltages in response to voltage generation control signals, an address decoder selectively applying the program voltage and the first and second pass voltages to the plurality of word lines in response to address decoder control signals, and a control logic controlling the voltage generator and the address decoder to perform a program operation.
    Type: Application
    Filed: May 8, 2018
    Publication date: February 28, 2019
    Inventors: Jae Hyeon SHIN, Sung Hyun HWANG
  • Patent number: 10193029
    Abstract: This application relates to a light conversion device and a display device.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: January 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Du Hyeon Shin, Sehwan Son
  • Patent number: 10139676
    Abstract: The present application relates to a light conversion device, a backlight unit and a display apparatus.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: November 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Du Hyeon Shin, Dong Wook Lee, Jungho Lim, Soojung Yeo
  • Publication number: 20180134953
    Abstract: The present specification relates to a fluorescent complex, a light conversion film, and an electronic device including the same.
    Type: Application
    Filed: June 14, 2016
    Publication date: May 17, 2018
    Inventors: Du Hyeon SHIN, Youkyong SEO
  • Publication number: 20180016490
    Abstract: The present application relates to a light conversion film in which one or more types of organic fluorescent dyes are dispersed in a polymer medium including one or more types of ionic polymers, and a light conversion device, a backlight unit and a display apparatus including the same.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Inventors: Du Hyeon SHIN, Youkyong SEO, Jungho LIM, Ji Ho KIM
  • Publication number: 20180004041
    Abstract: The present application relates to a light conversion device, a backlight unit and a display apparatus.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Du Hyeon SHIN, Dong Wook LEE, Jungho LIM, Soojung YEO
  • Publication number: 20170373229
    Abstract: This application relates to a light conversion device and a display device.
    Type: Application
    Filed: February 1, 2016
    Publication date: December 28, 2017
    Inventors: Du Hyeon SHIN, Sehwan SON
  • Publication number: 20170368737
    Abstract: A method of duplicating texture and pattern of a natural material using a low temperature embossing process is provided. More particularly, in the method of duplicating texture and pattern of a natural material using a low temperature embossing process, a polymer resin having low glass transition temperature is coated on a surface of the natural material and then low temperature embossing process is performed thereon at a specific temperature and a specific pressure to duplicate a distinct texture and a fine pattern of the natural material as they are, thereby improving luxurious and aesthetic properties and achieving a large area and mass production, such that it may be applied to interior and exterior materials of a car, a case of a cellular phone and a laptop, home appliances, or the like.
    Type: Application
    Filed: November 29, 2016
    Publication date: December 28, 2017
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Korea University Research and Business Foundation
    Inventors: Jin Ho HWANG, Keon Soo JIN, Dae Ig JUNG, Ju Hyeon SHIN, Heon LEE
  • Publication number: 20170267921
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light, wherein the resin matrix includes a thermoplastic resin, and the color conversion film has a light emission peak with a FWHM of 60 nm or less, quantum efficiency of 80% or greater and an absorption coefficient of 30,000 M?1cm?1 or greater at a maximum absorption wavelength when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Application
    Filed: February 1, 2016
    Publication date: September 21, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Dong Mok SHIN, Sehwan SON, Hoyong LEE, Byeong In AHN, Du Hyeon SHIN, Nari KIM, Ji Ho KIM, Joo Yeon SEO
  • Publication number: 20170247610
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, wherein the organic fluorescent substance includes a green fluorescent substance having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength, and a red fluorescent substance having a maximum light emission wavelength in a 600 nm to 660 nm range when irradiating light including a 450 nm wavelength, the green fluorescent substance and the red fluorescent substance have a molar ratio of 5:1 to 50:1, and the color conversion film has a light emission peak with a full width at half maximum (FWHM) of 50 nm or less in a 510 nm to 560 nm range and a light emission peak with a FWHM of 90 nm or less in a 600 nm to 660 nm range when irradiating light, a method for preparing the same, and a backlight unit including the color conversion film.
    Type: Application
    Filed: February 1, 2016
    Publication date: August 31, 2017
    Inventors: Nari KIM, Sehwan SON, Dong Mok SHIN, Ji Ho KIM, Joo Yeon SEO, Byeong In AHN, Du Hyeon SHIN
  • Publication number: 20170137540
    Abstract: The present specification relates to a dye complex, a light conversion film, and an electronic device including the same.
    Type: Application
    Filed: July 31, 2015
    Publication date: May 18, 2017
    Inventors: Du Hyeon SHIN, Sehwan SON, Jungho LIM
  • Publication number: 20160274018
    Abstract: A gas permeability measurement apparatus and a gas permeability measurement method, including a first chamber filled with a measurement gas and maintained at a constant pressure, a second chamber connected in series to the first chamber, a third chamber connected in series to the second chamber, and a separating plate having a through-hole and separating the second chamber and the third chamber from each other. A conductance adjusting part is disposed between the second and third chambers to adjust conductance passing through the through-hole of the separating plate. A vacuum pump is connected to the third chamber to exhaust the third chamber. A differential pressure gauge measures differential pressure between the second and third chambers. A sample is disposed between the first and second chambers. The measurement gas is delivered to the second chamber after permeating the sample, and the conductance adjusting part sequentially provides at least two different conductances.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Inventors: Dae-Jin Seong, Yong-Hyeon Shin, In-Tae Lim
  • Publication number: 20150348638
    Abstract: A semiconductor device and a method of operating the same are provided. The semiconductor device includes a memory block including a plurality of pages having a plurality of first cells and a plurality of second cells, a circuit group configured to read first cells and second cells of a selected page of the pages, a strobe signal control circuit configured to store source bouncing information generated during a read operation of the first cells of the selected page and output a strobe signal based on stored information, and a control circuit configured to control the circuit group in response to the strobe signal during a read operation of the second cells of the selected page.
    Type: Application
    Filed: November 3, 2014
    Publication date: December 3, 2015
    Inventors: Nam Kyeong KIM, Sung Dae CHOI, Jae Hyeon SHIN
  • Patent number: 9190164
    Abstract: A semiconductor device and a method of operating the same are provided. The semiconductor device includes a memory block including a plurality of pages having a plurality of first cells and a plurality of second cells, a circuit group configured to read first cells and second cells of a selected page of the pages a strobe signal control circuit configured to store source bouncing information generated during a read operation of the first cells of the selected page and output a strobe signal based on stored information, and a control circuit configured to control the circuit group in response to the strobe signal during a read operation of the second cells of the selected page.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Nam Kyeong Kim, Sung Dae Choi, Jae Hyeon Shin
  • Patent number: 8865919
    Abstract: A sulfonium compound represented by formula (1), a photo-acid generator, and a method for producing a sulfonium compound are provided: wherein X represents an electron-donating group; R1 and R2 each represent an alkyl group, a cycloalkyl group, or the like; R3 and R4 each represent an arylene group or a heteroarylene group; R5 and R6 each represent an alkyl group, a cycloalkyl group, or the like; and A? and B? are anions that are different from each other. The sulfonium compound, when used as a photo-acid generator, can produce a uniform and excellent resist pattern.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: October 21, 2014
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Hyun Sang Joo, Dong Chul Seo, Dae Kyung Yoon, Dae Hyeon Shin
  • Patent number: 8771922
    Abstract: A resist resin composition includes 100 parts by weight of a copolymer represented by Formula 3 below; 0.5 to 1.5 parts by weight of a photoacid generator and 700 to 1,500 parts by weight of a solvent: wherein R1, R2, and R3 are each independently a C1-30 alkyl group, a C3-30 cycloalkyl group, an ether group, an ester group, a carbonyl group, an acetal group, an epoxy group, a nitrile group, or an aldehyde group, R4, R5, and R6 are each independently hydrogen or a methyl group, and l, m, n, and o each independently refer to the number of repeating units in a main backbone and satisfy the conditions: l+m+n+o=1, 0?l/(l+m+n+o)<0.4, 0<m/(l+m+n+o)<0.6, 0?n/(l+m+n+o)<0.6, and 0<o/(l+m+n+o)<0.4.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: July 8, 2014
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Jin Bong Shin, Jin Ho Kim, Dae Hyeon Shin, Seung Jae Lee
  • Patent number: 8610655
    Abstract: A method for removing noise of a gate signal that is outputted from a gate driving circuit including a plurality of stages, the method includes electrically connecting two terminals of two adjacent stages that have noise components opposite in phase to each other during a first period, and electrically disconnecting the two terminals of the two adjacent stages that have the noise components opposite in phase to each other during a second period.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Wan Yoon, Sung-Hoon Yang, Chong-Chul Chai, So-Woon Kim, Chang-Hyeon Shin
  • Patent number: 8514163
    Abstract: In a display apparatus and a method for driving the display apparatus, the display apparatus includes a display panel and a gate driving part. The display panel has a gate line, and a gate driving part has a plurality of stages and a plurality of signal lines. At least one of the stages includes a transferring stage sequentially driving the stage, and an output stage partially driving the gate line, in response to a signal outputted from the transferring stage and a driving area selection signal. Accordingly, the display apparatus is partially driven, so that current consumption may be decreased, the display apparatus may be more safely driven, and a position, a size and the number of a non-display area may be more easily controlled.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Jin Pak, Chang-Hyeon Shin, Joo-Seok Yeom, Myung-Woo Lee, Hyung-Guel Kim, Kee-Han Uh
  • Patent number: 8283102
    Abstract: Disclosed are a photoacid generator, a copolymer, a chemically amplified resist composition, and a method of forming a pattern using the chemically amplified resist composition. The photoacid is connected with a main chain of the copolymer, whereby the photoacid is equally dispersed within a resist layer, and characteristics of line edge roughness of a resist pattern is improved.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: October 9, 2012
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Jung Hoon Oh, Sang Jin Kim, Jin Ho Kim, Dae Hyeon Shin