Patents by Inventor Se-Jin Lee

Se-Jin 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).

  • Publication number: 20180040834
    Abstract: Disclosed is an organic light emitting compound represented by Formula I: HAr1-(L)n-HAr2??(I) Also disclosed is an organic light emitting diode including the organic light emitting compound. Particularly, the organic light emitting diode employs the organic light emitting compound as a material for electron injection and transport. The organic light emitting diode can be driven at a low voltage and has improved life characteristics compared to conventional organic light emitting diodes. Due to these advantages, the organic light emitting diode is useful in a variety of industrial applications, including displays and lighting systems.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 8, 2018
    Applicant: SFC CO., LTD.
    Inventors: Yeongtae CHOI, Se-jin LEE, Seok-bae PARK, Taejung YU, Byung-sun YANG, Dajung LEE
  • Publication number: 20180031907
    Abstract: A display device includes a display panel including a plurality of pixels each having a plurality of sub-pixels; and a light path adjustment film on the display panel, wherein the light path adjustment film includes a first base film, and a pattern layer on a surface of the first base film, wherein the pattern layer includes a plurality of first patterns having a first refractive index, and a plurality of second patterns between the first patterns and having a second refractive index less than the first refractive index, and wherein the first pattern includes a top surface spaced apart from the display panel and parallel with the display panel, a bottom surface between the top surface and the display panel, and a slanted surface connecting the top surface and the bottom surface.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Inventors: Se-Min LEE, Hyeok-Joon YOON, Ju-Sang RHIM, Dae-Yong KIM, Eun-Hee CHOI, Se-Jin LEE
  • Publication number: 20180026198
    Abstract: The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1): in the formula, Ar1 to Ar4 each represent a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group, and the luminous layer includes an N-aromatic substituted nitrogen-containing heterocyclic compound.
    Type: Application
    Filed: January 5, 2016
    Publication date: January 25, 2018
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Norimasa YOKOYAMA, Shuichi HAYASHI, Takeshi YAMAMOTO, Naoaki KABASAWA, Daizo KANDA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
  • Publication number: 20170371201
    Abstract: An optical member for a multi-panel display device includes a first optical member located on a first display device and including optical fibers; a second optical member located on a second display device neighboring the first display device and including optical fibers; and an optical fiber triangular bar located to overlap a region where the first and second optical members are adjacent to each other, and including optical fibers, wherein each of the first and second optical members includes a chamfer portion corresponding to the optical fiber triangular bar at the region where the first and second optical members are adjacent to each other.
    Type: Application
    Filed: June 20, 2017
    Publication date: December 28, 2017
    Inventors: Seung-Soo YANG, Bo-Ra KIM, Mi-Hyung CHIN, Se-Jin LEE
  • Publication number: 20170358753
    Abstract: The present invention provides an organic electroluminescent device having at least an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound having a specific structure, and the luminous layer contains an indenoindole derivative or a carbazole derivative having a specific structure. The organic EL device of the present invention is an organic EL device improved in luminous efficiency, driving voltage and durability.
    Type: Application
    Filed: January 5, 2016
    Publication date: December 14, 2017
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD
    Inventors: Shuichi HAYASHI, Naoaki KABASAWA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
  • Publication number: 20170352447
    Abstract: Disclosed are an organic heterocyclic compound represented by Chemical Formula A and an organic light-emitting diode comprising the same. wherein substituents R1 to R8, X1 to X4, W1, and Y1 are each as defined in the specification.
    Type: Application
    Filed: May 30, 2017
    Publication date: December 7, 2017
    Inventors: Se-jin Lee, Seok-Bae PARK, Taejung YU, Byung-sun YANG, Yeong-tae CHOI
  • Publication number: 20170271599
    Abstract: The organic EL device of the invention has, in order, an anode, a hole transport layer, a luminous layer, an electron transport layer and a cathode. The hole transport layer includes an indenoacridan derivative represented by the following general formula (1), and the luminous layer includes an N-aromatic substituted indenoindole compound and/or an N-aromatic substituted carbazole compound. In the formula, A1 is a divalent aromatic hydrocarbon group, a divalent aromatic heterocyclic group or a single bond, B is a monovalent aromatic hydrocarbon group; a monovalent aromatic heterocyclic group; or a disubstituted amino group having, as a substituent, a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group; and R1 to R14 each represent a hydrogen atom or an alkyl group.
    Type: Application
    Filed: August 6, 2015
    Publication date: September 21, 2017
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Shuichi HAYASHI, Daizou KANDA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
  • Publication number: 20170222160
    Abstract: Disclosed is an organic light emitting device including a first electrode, a second electrode opposite to the first electrode, and at least one organic layer interposed between the first and second electrodes. The organic layer includes first and second compounds represented by Formulae A and B, respectively: The organic light emitting device exhibits low driving voltage, high efficiency, and long life. Due to these advantages, the organic light emitting device is useful in a variety of industrial applications, including displays and lighting systems.
    Type: Application
    Filed: January 26, 2017
    Publication date: August 3, 2017
    Inventors: Se-jin LEE, Taejung YU, Seok-bae PARK, Byung-sun YANG, Su-Jin LEE, Bong-Hyang LEE, Yeongtae CHOI
  • Publication number: 20170216872
    Abstract: The present invention comprises: a support roller part rotating while supporting the lower side of a transferred sticker sheet; a half-cutting roller part provided at the top of the support roller part so as to rotate by engaging with the support roller part, and having a half cutter for cutting a printed part of the sticker sheet passing the support roller part; and an anti-adhesion fluid supplying unit for applying an anti-adhesion fluid on the surface of the half cutter coming into contact with the printed part of the sticker sheet.
    Type: Application
    Filed: July 17, 2015
    Publication date: August 3, 2017
    Inventor: Se-Jin LEE
  • Publication number: 20170207397
    Abstract: Disclosed is an organic light emitting compound represented by Formula 1: HAr1-(L)n-HAr2?? (1) Also disclosed is an organic light emitting device including the organic light emitting compound of Formula 1. Also disclosed is an organic light emitting device including the organic light emitting compound of Formula 1 as a first compound and a second compound represented by Formula 2: HAr3-(L)n-HAr4?? (2) The organic light emitting devices exhibit low driving voltage, high efficiency, and long life. Due to these advantages, the organic light emitting devices are useful in a variety of industrial applications, including displays and lighting systems.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 20, 2017
    Inventors: Se-jin LEE, Taejung YU, Seok-bae PARK, Byung-sun YANG, Su-Jin LEE, Bong-Hyang LEE, Yeongtae CHOI
  • Patent number: 9653689
    Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: May 16, 2017
    Assignees: Samsung Display Co., Ltd., SFC CO., LTD.
    Inventors: Myeong-Suk Kim, Jong-Tae Je, Se-Jin Lee, Seok-Bae Park, Se-Jin Yu, Jea-Geon Lim, Byoung-Ki Choi, Tae-Kyung Kim, Jeoung-In Yi
  • Patent number: 9531933
    Abstract: Exemplary embodiments of a camera module are proposed, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a base installed at an upper surface of the PCB and formed with a window at a position corresponding to that of the image sensor, an IRCF (Infrared Cut Filter) installed at an upper surface of the base, and an adhesive member fixing the IRCF to the base.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: December 27, 2016
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hyun Ah Oh, Youn Baek Jeong, Se Jin Lee
  • Patent number: 9401940
    Abstract: According to an embodiment of the present invention, a method for receiving data includes receiving, via a communication unit of a terminal, at least one of displayable data and soundable data from an external device, wherein the external device includes at least one of a touch-sensitive unit, a first displaying unit and a first speaker, wherein the communication unit connects to the Internet and includes at least one of a cabled communication unit and a wireless communication unit, and wherein the displayable data is displayed on the first displaying unit of the external device, and the soundable data is outputted through the first speaker of the external device, and outputting signals associated with the received at least one of displayable data and soundable data to a connectable output unit, wherein the connectable output unit includes at least one of a second speaker and a second displaying unit.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: July 26, 2016
    Assignee: LG ELECTRONICS INC.
    Inventor: Se-Jin Lee
  • Patent number: 9331286
    Abstract: The present disclosure relates to an organic electroluminescent compound employed as a hole transport material or a hole injection material and an organic electroluminescent device including the same. The organic electroluminescent compound is represented by [Chemical Formula 1] and an organic electroluminescent device employing the organic electroluminescent compound as a hole transport material exhibits very superior luminous efficiency and lifetime characteristics.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 3, 2016
    Assignee: SFC CO. LTD.
    Inventors: Sang-woo Park, Byung-sun Yang, Se-Jin Lee
  • Publication number: 20160099411
    Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.
    Type: Application
    Filed: December 15, 2015
    Publication date: April 7, 2016
    Inventors: Myeong-Suk Kim, Jong-Tae Je, Se-Jin Lee, Seok-Bae Park, Se-Jin Yu, Jea-Geon Lim, Byoung-Ki Choi, Tae-Kyung Kim, Jeoung-In Yi
  • Publication number: 20160057327
    Abstract: Exemplary embodiments of a camera module are proposed, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a base installed at an upper surface of the PCB and formed with a window at a position corresponding to that of the image sensor, an IRCF (Infrared Cut Filter) installed at an upper surface of the base, and an adhesive member fixing the IRCF to the base.
    Type: Application
    Filed: November 2, 2015
    Publication date: February 25, 2016
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Hyun Ah OH, Youn Baek JEONG, Se Jin LEE
  • Patent number: 9238623
    Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: January 19, 2016
    Assignees: Samsung Display Co., Ltd., SFC CO., LTD
    Inventors: Myeong-Suk Kim, Jong-Tae Je, Se-Jin Lee, Seok-Bae Park, Se-Jin Yu, Jea-Geon Lim, Byoung-Ki Choi, Tae-Kyung Kim, Jeoung-In Yi
  • Patent number: 9197796
    Abstract: Exemplary embodiments of a camera module are proposed, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a base installed at an upper surface of the PCB and formed with a window at a position corresponding to that of the image sensor, an IRCF (Infrared Cut Filter) installed at an upper surface of the base, and an adhesive member fixing the IRCF to the base.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: November 24, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Ah Oh, Youn Baek Jeong, Se Jin Lee
  • Publication number: 20140250189
    Abstract: According to an embodiment of the present invention, a method for receiving data includes receiving, via a communication unit of a terminal, at least one of displayable data and soundable data from an external device, wherein the external device includes at least one of a touch-sensitive unit, a first displaying unit and a first speaker, wherein the communication unit connects to the Internet and includes at least one of a cabled communication unit and a wireless communication unit, and wherein the displayable data is displayed on the first displaying unit of the external device, and the soundable data is outputted through the first speaker of the external device, and outputting signals associated with the received at least one of displayable data and soundable data to a connectable output unit, wherein the connectable output unit includes at least one of a second speaker and a second displaying unit.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: LG ELECTRONICS INC.
    Inventor: Se-Jin LEE
  • Publication number: 20140250190
    Abstract: According to an embodiment of the present invention, a method for receiving data includes receiving, via a communication unit of a terminal, at least one of displayable data and soundable data from an external device, wherein the external device includes at least one of a touch-sensitive unit, a first displaying unit and a first speaker, wherein the communication unit connects to the Internet and includes at least one of a cabled communication unit and a wireless communication unit, and wherein the displayable data is displayed on the first displaying unit of the external device, and the soundable data is outputted through the first speaker of the external device, and outputting signals associated with the received at least one of displayable data and soundable data to a connectable output unit, wherein the connectable output unit includes at least one of a second speaker and a second displaying unit.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: LG ELECTRONICS INC.
    Inventor: Se-Jin LEE