Patents by Inventor Tae-Young Choi

Tae-Young 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).

  • Publication number: 20210181602
    Abstract: A camera module includes a lens module to accommodate a lens; a substrate; an image sensor disposed on the substrate; a support member coupled to the lens module to define a gap between the image sensor and the lens module; a first adhesive member fixing a location of the support member with respect to the substrate; a second adhesive member fixing a location of the lens module with respect to the support member; a first housing coupled to the lens module; and a second housing to accommodate the substrate and coupled to the first housing.
    Type: Application
    Filed: April 30, 2020
    Publication date: June 17, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Cheong Hee LEE, Tae Young CHOI, Hong Sik YANG, Chang Uk SONG
  • Patent number: 10837614
    Abstract: A lighting device for a vehicle may include: a light source for generating light by an applied power source; and two or more films that allow light generated by the light source to be projected onto a particular shape depending on a pattern. Thermal expansion coefficients of at least two films among the two or more films are different from each other.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Tae-Young Choi, Sung-Cheul Jeong
  • Patent number: 10795513
    Abstract: A capacitor structure includes: a first substrate having a first electrode part provided on one surface thereof; a second substrate having a second electrode part provided on a surface thereof, which faces the first substrate; and a dielectric layer provided between the first substrate and the second substrate, wherein a Poisson's ratio of the first substrate or the second substrate is different from a Poisson's ratio of the dielectric layer. The capacitor structure has a substantially constant capacitance even when the capacitor structure is exposed to external strain.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 6, 2020
    Assignees: Samsung Display Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIV
    Inventors: Tae Young Choi, Nae-Eung Lee
  • Publication number: 20200240608
    Abstract: A lighting device for a vehicle may include: a light source for generating light by an applied power source; and two or more films that allow light generated by the light source to be projected onto a particular shape depending on a pattern. Thermal expansion coefficients of at least two films among the two or more films are different from each other.
    Type: Application
    Filed: December 2, 2019
    Publication date: July 30, 2020
    Inventors: Tae-Young Choi, Sung-Cheul Jeong
  • Patent number: 10655839
    Abstract: A light source unit disclosed in an embodiment of the invention includes: a first cover having an open region at an upper portion and a recess in which a lower portion is opened; a second cover coupled to the lower portion of the first cover; a light source module disposed between the first and second covers and having a circuit board and a light emitting device on the circuit board; a waterproof film disposed on the light emitting device and facing an upper surface of the circuit board; and first and second gaskets on the upper surface of the circuit board. The first cover and the second cover are coupled to each other by protrusions and grooves and are bonded to each other by a bonding portion.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: May 19, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Cheon Joo Kim, Do Hwan Kim, Tae Young Choi
  • Publication number: 20200041115
    Abstract: A light source unit disclosed in an embodiment of the invention includes: a first cover having an open region at an upper portion and a recess in which a lower portion is opened; a second cover coupled to the lower portion of the first cover; a light source module disposed between the first and second covers and having a circuit board and a light emitting device on the circuit board; a waterproof film disposed on the light emitting device and facing an upper surface of the circuit board; and first and second gaskets on the upper surface of the circuit board. The first cover and the second cover are coupled to each other by protrusions and grooves and are bonded to each other by a bonding portion.
    Type: Application
    Filed: February 9, 2018
    Publication date: February 6, 2020
    Inventors: Cheon Joo KIM, Do Hwan KIM, Tae Young CHOI
  • Publication number: 20180356916
    Abstract: A capacitor structure includes: a first substrate having a first electrode part provided on one surface thereof; a second substrate having a second electrode part provided on a surface thereof, which faces the first substrate; and a dielectric layer provided between the first substrate and the second substrate, wherein a Poisson's ratio of the first substrate or the second substrate is different from a Poisson's ratio of the dielectric layer. The capacitor structure has a substantially constant capacitance even when the capacitor structure is exposed to external strain.
    Type: Application
    Filed: January 12, 2018
    Publication date: December 13, 2018
    Inventors: Tae Young CHOI, Nae-Eung LEE
  • Patent number: 10150912
    Abstract: There is provided a red phosphor that may include a nitride represented by a formula of (Sr1-x-yBaxEuy)2Si5N8, wherein 0<x<0.7, and 0<y<0.1. The red phosphor may emit light having a peak wavelength in a range of 600 nm to 630 nm when irradiated by an excitation source and the excitation source may be a blue light source having a dominant wavelength in a range of 420 nm to 470 nm.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Choi, Sung Hak Jo, Sun Yeol Choi, Jung Eun Yoon, Chul Soo Yoon, Tae Young Choi
  • Patent number: 10121945
    Abstract: A semiconductor light emitting device includes: a package body having a cavity, and having a first wiring electrode and a second wiring electrode disposed on a bottom surface of the cavity; a light emitting diode (LED) chip having a first surface with a first electrode and a second electrode thereon, a second surface, and lateral surfaces, the LED chip being mounted in the cavity such that the first surface faces the bottom surface, a wavelength conversion film on the second surface of the LED chip, and including a first wavelength conversion material, and a reflective resin portion in the cavity that surrounds the LED chip.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Sung Kim, Chang Su Park, Jung Kyu Park, Tae Young Choi
  • Patent number: 10043951
    Abstract: A light emitting device package includes a package body having a mounting region including a mounting surface for a light emitting device, a groove portion, and a bottom surface lower than the mounting surface, and a lead frame supported by the package body, a portion of the lead frame being disposed on the bottom surface and a portion of the lead frame being exposed by the groove portion. The light emitting device has a first plane on which an electrode pad is disposed, a second plane opposite the first plane, and a third plane disposed between the first plane and the second plane to connect the first plane to the second plane. The light emitting device is to be disposed in the mounting region such that the first plane is in contact with the mounting surface and the electrode pad is in the groove portion.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Kyu Park, Jung Sung Kim, Woo Jung Park, Chang Su Park, Tae Young Choi
  • Publication number: 20180175265
    Abstract: A semiconductor light emitting device includes: a package body having a cavity, and having a first wiring electrode and a second wiring electrode disposed on a bottom surface of the cavity; a light emitting diode (LED) chip having a first surface with a first electrode and a second electrode thereon, a second surface, and lateral surfaces, the LED chip being mounted in the cavity such that the first surface faces the bottom surface, a wavelength conversion film on the second surface of the LED chip, and including a first wavelength conversion material, and a reflective resin portion in the cavity that surrounds the LED chip.
    Type: Application
    Filed: September 19, 2017
    Publication date: June 21, 2018
    Inventors: Jung Sung KIM, Chang Su PARK, Jung Kyu PARK, Tae Young CHOI
  • Patent number: 10001250
    Abstract: A lighting device includes a heat sink including a first heat radiation part and a second heat radiation part, a light source module including a substrate disposed on the first heat radiation part of the heat sink, and a light emitting device disposed on the substrate; and a power supply unit which is disposed within the second heat radiation part of the heat sink and supplies power to the light source module.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: June 19, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Nyung Lim, Do Hwan Kim, Jae Jin Kim, Cheon Joo Kim, Sang Hoon Lee, Keun Tak Joo, Tae Young Choi
  • Publication number: 20170358716
    Abstract: A light emitting device package includes a package body having a mounting region including a mounting surface for a light emitting device, a groove portion, and a bottom surface lower than the mounting surface, and a lead frame supported by the package body, a portion of the lead frame being disposed on the bottom surface and a portion of the lead frame being exposed by the groove portion. The light emitting device has a first plane on which an electrode pad is disposed, a second plane opposite the first plane, and a third plane disposed between the first plane and the second plane to connect the first plane to the second plane. The light emitting device is to be disposed in the mounting region such that the first plane is in contact with the mounting surface and the electrode pad is in the groove portion.
    Type: Application
    Filed: February 1, 2017
    Publication date: December 14, 2017
    Inventors: Jung Kyu PARK, Jung Sung KIM, Woo Jung PARK, Chang Su PARK, Tae Young CHOI
  • Patent number: 9823531
    Abstract: A thin film transistor array panel includes: gate lines; data lines insulated from and crossing the gate lines; and shorting bars disposed outside of a display area in which the gate lines cross the data lines. The shorting bars overlap portions of the data lines disposed outside of the display area. The shorting bar includes a semiconductor material.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Young Choi, Bo Sung Kim, Jae Woo Park, Hee Jun Byeon, Young-Wook Lee, Moon-Keun Choi
  • Patent number: 9775204
    Abstract: The light-emitting module according to one embodiment comprises first to Nth light-emitting element packages (wherein N is a positive integer greater than or equal to 1), which are connected in series to one another, and a current level regulator for regulating the level of current flowing through the Nth light-emitting element package. Each of the first to Nth light-emitting element packages comprises a light-emitting cell comprising a plurality of sub-cells, which comprise at least one light-emitting element and are connected in series or parallel to one another, and a flicker control unit, which is connected between the plurality of sub-cells and selectively forms the path of current flowing through the light-emitting cell according to the level of an external driving voltage. At least one of the first to Nth light-emitting element packages further comprises a first current control resistor connected to the output of the light-emitting cell.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: September 26, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Il Yeong Kang, Sang Hoon Lee, Jong Won Jeon, Keun Tak Joo, Tae Young Choi
  • Publication number: 20170170370
    Abstract: A white light emitting device includes a blue light emitting diode (LED) configured to emit light having a dominant wavelength in a range of 440 nm to 450 nm; a green phosphor configured to convert at least a first portion of the light emitted by the blue LED to light having a peak wavelength in a range of 510 nm to 535 nm and having a full width at a half maximum of 35 nm or less; and a red phosphor configured to convert at least a second portion of the light emitted by the blue LED to light having a peak wavelength in a range of 610 nm to 635 nm and having a full width at a half maximum of 30 nm or less.
    Type: Application
    Filed: August 23, 2016
    Publication date: June 15, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo Jung PARK, Tae Young CHOI
  • Publication number: 20170127486
    Abstract: The light-emitting module according to one embodiment comprises first to Nth light-emitting element packages (wherein N is a positive integer greater than or equal to 1), which are connected in series to one another, and a current level regulator for regulating the level of current flowing through the Nth light-emitting element package. Each of the first to Nth light-emitting element packages comprises a light-emitting cell comprising a plurality of sub-cells, which comprise at least one light-emitting element and are connected in series or parallel to one another, and a flicker control unit, which is connected between the plurality of sub-cells and selectively forms the path or current flowing through the light-emitting cell according to the level of an external driving voltage. At least one of the first to Nth light-emitting element packages further comprises a first current control resistor connected to the output of the light-emitting cell.
    Type: Application
    Filed: March 23, 2015
    Publication date: May 4, 2017
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Il Yeong KANG, Sang Hoon LEE, Jong Won JEON, Keun Tak JOO, Tae Young CHOI
  • Patent number: 9622309
    Abstract: A light emitting module includes a plurality of light emitting device packages configured to be sequentially turned on or off according to the level of external drive voltage and connected to one another in series. Each of the plurality of light emitting device packages includes a light emitting cell having at least one light emitting device, and an on/off controller configured to control to turn the light emitting cell on or off.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: April 11, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Il Yeong Kang, Ki Soo Kwon, Sang Hoon Lee, Keun Tak Joo, Tae Young Choi
  • Publication number: 20170074463
    Abstract: A lighting device includes a heat sink including a first heat radiation part and a second heat radiation part, a light source module including a substrate disposed on the first heat radiation part of the heat sink, and a light emitting device disposed on the substrate; and a power supply unit which is disposed within the second heat radiation part of the heat sink and supplies power to the light source module.
    Type: Application
    Filed: November 22, 2016
    Publication date: March 16, 2017
    Applicant: LG Innotek Co., Ltd.
    Inventors: Dong Nyung LIM, Do Hwan KIM, Jae Jin KIM, Cheon Joo KIM, Sang Hoon LEE, Keun Tak JOO, Tae Young CHOI
  • Patent number: RE47425
    Abstract: A lighting device may be provided that includes: a heat sink which includes a base and a member extending from the base; a light source module which is disposed on a lateral surface of the member; and a reflector which is disposed on the member and has a disposition recess exposing the light source module, wherein the at least two light source modules are provided and the light source module includes a terminal plate which electrically connects the at least two light source modules, and wherein the terminal plate is disposed on the reflector.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: June 4, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Nyung Lim, Tae Young Choi, Do Hwan Kim, Cheon Joo Kim