Patents by Inventor Byoung Ki Choi

Byoung Ki Choi 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: 10714659
    Abstract: Disclosed according to one embodiment is a light-emitting element comprising: a light-emitting structure comprising a first semiconductor layer, an active layer, and a second semiconductor layer; a second conductive layer electrically connected to the second semiconductor layer; a first conductive layer which is disposed in a plurality of via holes passing through the light-emitting structure and second conductive layer and comprises a plurality of through electrodes electrically connected to the first semiconductor layer; an insulation layer for electrically insulating the plurality of through electrodes from the active layer, second semiconductor layer, and second conductive layer; and an electrode pad disposed in an exposed area of the second conductive layer, wherein the farther away the second conductive layer disposed between the plurality of through electrodes is from the electrode pad, the greater the width of the second conductive layer becomes.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: July 14, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sun Woo Park, Dong Hyun Sung, Dae Hee Lee, Byoung Woo Lee, Kwang Ki Choi, Jae Cheon Han
  • Patent number: 10665788
    Abstract: Embodiments of the present invention include an amine-based compound represented by Formula 1, an organic light-emitting diode including the amine-based compound, and an organic light-emitting apparatus including the amine-based compound.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: O-Hyun Kwon, Dong-Woo Shin, Kyul Han, Seul-Ong Kim, Byoung-Ki Choi
  • Patent number: 10622568
    Abstract: A condensed cyclic compound represented by one of Formulae 1A to 1D: wherein in Formulae 1A to 1D, groups, substituents, and variables are as defined in the specification.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: April 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Kyu-young Hwang, O-hyun Kwon, Byoung-ki Choi
  • Publication number: 20200015961
    Abstract: There is provided an intraocular lens including an optic portion having a circular shape from one side thereof and including a first pattern which includes a ridge and a groove, and a plurality of haptic portions extending from an outer circumferential edge of the optic portion and each including a second pattern which includes a ridge and a groove, in which at least one of the ridges included in the first pattern and the second pattern and at least one of the grooves included in the first pattern and the second pattern includes a section in which a width is formed differently.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 16, 2020
    Inventors: Ho Jeong JEON, Myoung Ryul OK, Yu Chan KIM, Hyun Kwang SEOK, Choun Ki JOO, Byoung Chan CHOI
  • Patent number: 10534900
    Abstract: A method for providing a service by an electronic device according to various embodiments may comprise the steps of: obtaining biometric information of a user; determining at least one service associated with the biometric information out of a plurality of services that the electronic device supports; and providing the determined at least one service.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-Ho Cheong, Hyuk Kang, Dong-Hyun Kim, Yang-Su Kim, Hyun-Soo Kim, Bo-Yeon Na, Byoung-Tack Roh, Jeong-Min Park, Ji-Hyun Park, Tae-Gun Park, Kwang-Sub Son, Dong-Il Son, Sung-Ho Son, Sung-Hyuk Shin, Hyun-Seok Shin, Jin-gil Yang, Jae-Yung Yeo, Jae-Bong Yoo, Su-Ha Yoon, Seung-Young Jeon, Kyung-Soo Lim, Eui-Chang Jung, In-Ji Jin, Jong-Ho Choi, Duk-Ki Hong, Moo-Hyun Baek, Sang-Youp Seok, Byoung-Uk Yoon
  • Publication number: 20190302750
    Abstract: An equipment diagnosis system and method, which use abnormal data and normal data of equipment and accurately and effectively perform diagnosis on the equipment, are provided. The equipment diagnosis system includes a data acquisition unit to acquire time series data of equipment, a preprocessing unit convert the time series data into frequency data including a temporal component through a Fourier transform, a deep learning unit to perform deep learning through a convolution neural network (CNN) by using the frequency data, and a diagnosis unit to determine a state of the equipment to be a normal state or a breakdown state based on the deep learning.
    Type: Application
    Filed: March 4, 2019
    Publication date: October 3, 2019
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Kyoung-whan OH, Ho-youl LEE, Won-ki PARK, Jong-hwi SEO, Young-il JANG, Ha-nock KWAK, Byoung-tak ZHANG, Seong-ho CHOI
  • Patent number: 10032985
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, Groups X1 to X3, L11, L12, R11, and R12, and variables a11, a12, b11, b12, c11, and c12 are described in the specification.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: July 24, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Chang-woo Kim, O-hyun Kwon, Sang-dong Kim, Kyu-young Hwang, Byoung-ki Choi
  • Patent number: 9768393
    Abstract: A condensed-cyclic compound of Formula 1: wherein, in Formula 1, groups X1, X11 to X14, L21, L22, R21, and R21, and variables a21, a22, b21, b22, c21, and c22 are described in the specification.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: September 19, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Chang-ju Shin, Young-kwon Kim, Hyung-sun Kim, Moo-jin Park, Joo-hee Seo, Eun-sun Yu, Byoung-ki Choi, Kyu-young Hwang
  • Patent number: 9660219
    Abstract: A display device includes a first optical resonance layer on a substrate, a switching structure on the first optical resonance layer, a first electrode on the switching structure, a light emitting structure on the first electrode, and a second electrode on the emitting structure. The switching structure may include a switching device and an optical distance controlling insulation layer covering the switching device. A first optical resonance distance for an optical resonance of the light may be provided between an upper face of the first optical resonance layer and a bottom face of the second electrode.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Woo Shin, Seung-Wook Chang, Young-Hee Lee, Chun-Gi You, Pil-Soo Ahn, Byoung-Ki 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: 9583718
    Abstract: A pyrene-based compound and an organic light-emitting diode including the same, the pyrene-based compound being represented by Formula 1, below:
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: February 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Woo Shin, O-Hyun Kwon, Mie-Hwa Park, Seul-Ong Kim, Byoung-Ki Choi
  • Publication number: 20170012216
    Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided.
    Type: Application
    Filed: January 6, 2015
    Publication date: January 12, 2017
    Inventors: Byung-Ku KIM, Jin-Hyun LUI, Byoung-Kwan LEE, O Hyun KWON, Young-Kwon KIM, Chang-Woo KIM, Hyung-Sun KIM, Joo-Hee SEO, Chang-Ju SHIN, Eun-Sun YU, Seung-Jae LEE, Byoung Ki CHOI, Kyu Young HWANG
  • Publication number: 20160351826
    Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided.
    Type: Application
    Filed: January 6, 2015
    Publication date: December 1, 2016
    Inventors: Byung-Ku KIM, Ho-Kuk JUNG, Su-Jin HAN, O Hyun KWON, Young-Kwon KIM, Chang-Woo KIM, Hyung-Sun KIM, Joo-Hee SEO, Chang-Ju SHIN, Eun-Sun YU, Seung-Jae LEE, Byoung Ki CHOI, Kyu Young HWANG
  • Publication number: 20160308142
    Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided.
    Type: Application
    Filed: January 6, 2015
    Publication date: October 20, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-Ku KIM, Sang-Shin LEE, Chang-Ju SHIN, Sung-Hyun JUNG, O Hyun KWON, Young-Kwon KIM, Chang-Woo KIM, Hyung-Sun KIM, Joo-Hee SEO, Eun-Sun YU, Seung-Jae LEE, Byoung Ki CHOI, Kyu Young HWANG
  • Patent number: 9359667
    Abstract: A low temperature deposition device according to the present invention includes: a thermal deposition source unit spraying a deposition beam; a differential pumping unit connected to the thermal deposition source unit and passing the deposition beam; and a cooling gas inlet connected to the differential pumping unit and inserting a cooling gas inside the differential pumping unit to cool the deposition beam. According to the present invention, the inorganic deposition beam of low temperature is deposited on the substrate to form the inorganic metal layer of low temperature so that the damage to the organic layer may be minimized when forming the inorganic metal layer of low temperature on the organic layer.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: June 7, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyul Han, O-Hyun Kwon, Dong-Woo Shin, Seul-Ong Kim, Byoung-Ki Choi
  • Patent number: 9343509
    Abstract: Provided is an organic light-emitting device including a plurality of pixels, each including a first sub-pixel, a second sub-pixel, and a third sub-pixel having different colors from each other. Each of the pixels includes a substrate, a first electrode layer on the substrate, a first light-emitting layer disposed on the first electrode in the first, second and third sub-pixels, an auxiliary layer disposed on the first light-emitting layer in the second and third sub-pixels, a second light-emitting layer disposed on the auxiliary layer in the second sub-pixel, a third light-emitting layer disposed on the auxiliary layer in the third sub-pixel, and a second electrode layer on the first, second, and third light-emitting layers.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong-Suk Kim, Won-Jun Song, Byoung-Ki Choi
  • 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
  • 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
  • Publication number: 20150270510
    Abstract: A display device includes a first optical resonance layer on a substrate, a switching structure on the first optical resonance layer, a first electrode on the switching structure, a light emitting structure on the first electrode, and a second electrode on the emitting structure. The switching structure may include a switching device and an optical distance controlling insulation layer covering the switching device. A first optical resonance distance for an optical resonance of the light may be provided between an upper face of the first optical resonance layer and a bottom face of the second electrode.
    Type: Application
    Filed: June 5, 2015
    Publication date: September 24, 2015
    Inventors: Dong-Woo SHIN, Seung-Wook CHANG, Young-Hee LEE, Chun-Gi YOU, Pil-Soo AHN, Byoung-Ki CHOI
  • Publication number: 20150194610
    Abstract: A condensed cyclic compound represented by one of Formulae 1A to 1D: wherein in Formulae 1A to 1D, groups, substituents, and variables are as defined in the specification.
    Type: Application
    Filed: August 15, 2014
    Publication date: July 9, 2015
    Inventors: Kyu-young HWANG, O-hyun KWON, Byoung-ki CHOI