Patents by Inventor Choo-Ho Kim

Choo-Ho Kim 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: 10217680
    Abstract: A test apparatus includes a lighting unit radiating light on a to-be-tested object having a light transmitting resin containing a light conversion material; a camera unit obtaining an image of the to-be-tested object while the light transmitting resin is emitted by receiving light emitted by the lighting unit; and a controller determining whether the to-be-tested object is defective by calculating gray values from the image obtained by the camera unit.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Seo Park, Song Ho Jeong, Oh Seok Kwon, Jong Tae Kim, Choo Ho Kim
  • Publication number: 20180040519
    Abstract: A test apparatus includes a lighting unit radiating light on a to-be-tested object having a light transmitting resin containing a light conversion material; a camera unit obtaining an image of the to-be-tested object while the light transmitting resin is emitted by receiving light emitted by the lighting unit; and a controller determining whether the to-be-tested object is defective by calculating gray values from the image obtained by the camera unit.
    Type: Application
    Filed: January 11, 2017
    Publication date: February 8, 2018
    Inventors: Dae Seo PARK, Song Ho JEONG, Oh Seok KWON, Jong Tae KIM, Choo Ho KIM
  • Publication number: 20170125647
    Abstract: A light-emitting diode (LED) package includes an LED chip, a phosphor film adhered to a top surface of the LED chip, and a molding phosphor covering a side surface of the LED chip.
    Type: Application
    Filed: July 21, 2016
    Publication date: May 4, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: HUN-YONG PARK, Choo-ho KIM, Song-ho JEONG, Jong-ho LIM
  • Patent number: 9627279
    Abstract: An apparatus for manufacturing an light emitting diode (LED) package, includes: a heating unit heating an LED package array in a lead frame state in which a plurality of LED packages are installed to be set in an array on a lead frame; a testing unit testing an operational state of each of the LED packages in the LED package array by applying a voltage or a current to the LED package array heated by the heating unit; and a cutting unit cutting only an LED package determined to be a functional product or an LED package determined to be a defective product from the lead frame to remove the same according to the testing results of the testing unit.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Soo Ji, Choo Ho Kim, Sung Hoon Oh, Min Hwan Kim, Beom Seok Shin
  • Patent number: 9543221
    Abstract: A method of manufacturing a light-emitting apparatus includes disposing a substrate on a support; disposing a light-emitting package including a light-emitting device on the substrate so as to allow the light-emitting package to be positioned at a target position on the substrate; applying energy to the light-emitting package to make the light-emitting device emit light; and analyzing the light that is emitted from the light-emitting device due to the energy, and determining a position where the light-emitting package is actually disposed. Thus, the light-emitting apparatus may be easily and inexpensively manufactured, and may generate a limited number of spots and provide improved uniform brightness.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-seo Park, Ka-ram Lee, Choo-ho Kim
  • Patent number: 9463479
    Abstract: A phosphor dispenser includes: a nozzle having a space for accommodating the phosphor liquid, wherein an opening for ejecting the phosphor liquid is connected to the space; and a tappet reciprocally movable with respect to the nozzle to eject the phosphor liquid in the space through the nozzle, wherein the tappet includes a cylindrical unit having a cylindrical shape and a convex unit having a hemispherical shape that is convex towards the nozzle from the cylindrical unit, and the convex unit is formed of polycrystalline diamond (PCD).
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-yong Park, Ho-moon Lee, Choo-ho Kim
  • Patent number: 9347772
    Abstract: An apparatus for measurement of a three-dimensional (3D) shape includes a lens unit transmitting slit beams to a plurality of measurement objects, a light source unit irradiating the plurality of slit beams to the lens unit at different angles, an imaging unit obtaining images of the plurality of measurement objects formed by the slit beams irradiated on the plurality of measurement objects, and a calculation processing unit generating information regarding a 3D shape of the plurality of measurement objects from the images obtained by the imaging unit.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: May 24, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Seo Park, Dae Gwan Kim, Won Soo Ji, Choo Ho Kim
  • Publication number: 20160133805
    Abstract: A method of manufacturing a light-emitting apparatus includes disposing a substrate on a support; disposing a light-emitting package including a light-emitting device on the substrate so as to allow the light-emitting package to be positioned at a target position on the substrate; applying energy to the light-emitting package to make the light-emitting device emit light; and analyzing the light that is emitted from the light-emitting device due to the energy, and determining a position where the light-emitting package is actually disposed. Thus, the light-emitting apparatus may be easily and inexpensively manufactured, and may generate a limited number of spots and provide improved uniform brightness.
    Type: Application
    Filed: November 10, 2015
    Publication date: May 12, 2016
    Inventors: Dae-seo PARK, Ka-ram LEE, Choo-ho KIM
  • Publication number: 20150251228
    Abstract: There are provided a wafer holder cleaning apparatus and a film deposition system including the same, the wafer holder cleaning apparatus including a housing part including an entrance into and out of which a wafer holder is carried, a door part selectively opening and closing the entrance, a support part provided within the housing part and having the wafer holder disposed thereon, the wafer holder being carried into the housing part through the entrance, and a cleaning part cleaning a surface of the wafer holder.
    Type: Application
    Filed: May 21, 2015
    Publication date: September 10, 2015
    Inventors: Sang Kyu BANG, Sung Don KWAK, Choo Ho KIM, Won Soo JI
  • Patent number: 9109154
    Abstract: An apparatus and method for automatically mixing a phosphor are provided, which are capable of automatically supplying accurate quantities of a phosphor and silicon to a mixing container using a phosphor supply unit and a silicon supply unit.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myeong Ho Noh, Choo Ho Kim, Song Ho Jeong, Dong Hee Lim
  • Publication number: 20150017748
    Abstract: An apparatus for manufacturing an light emitting diode (LED) package, includes: a heating unit heating an LED package array in a lead frame state in which a plurality of LED packages are installed to be set in an array on a lead frame; a testing unit testing an operational state of each of the LED packages in the LED package array by applying a voltage or a current to the LED package array heated by the heating unit; and a cutting unit cutting only an LED package determined to be a functional product or an LED package determined to be a defective product from the lead frame to remove the same according to the testing results of the testing unit.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Soo JI, Choo Ho KIM, Sung Hoon OH, Min Hwan KIM, Beom Seok SHIN
  • Patent number: 8927302
    Abstract: Provided are a CVD apparatus and a method of manufacturing a light emitting device using the same. The CVD apparatus includes a chamber body including a susceptor having at least one pocket part having a wafer stably mounted therein; a chamber cover provided with the chamber body to open or close the chamber body and having a reaction space between the susceptor and the chamber cover; a reactive gas supplier supplying the reactive gas into the reaction space to allow the reactive gas to flow across a surface of the susceptor; and a non-reactive gas supplier supplying a non-reactive gas into the reaction space to allow the non-reactive gas to flow across a surface of the chamber cover between the susceptor and the chamber cover so as to prevent the reactive gas from contacting the surface of the chamber cover.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: January 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Woo Kim, Takeya Motonobu, In Hoe Hur, Choo Ho Kim, Jae Bong Lee
  • Patent number: 8922643
    Abstract: A light emitting diode (LED) inspection apparatus includes at least one LED including a phosphor applied on an emission surface, a first lighting unit to emit visible light to the LED, a second lighting unit to emit ultraviolet (UV) light to the LED, a photographing unit to generate at least one first image data by photographing the visible light reflected from the LED and to generate at least one second image data by photographing the UV light reflected from the LED, and a determination unit to determine a defect in appearance and emission characteristics of the LED using the at least one first image data and second image data.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: December 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Soo Ji, Oh Seok Kwon, Choo Ho Kim
  • Patent number: 8860073
    Abstract: A light-emitting device package may include a pre-mold and a molding member. The pre-mold may include an upper body having a inclined (e.g., concavely) plane from which a plurality of vertical holes passing through the upper body are formed and a lower body having an upper surface that meets the inclined (e.g., concavely) plane under the upper body to form a concave unit. The molding member may fill the plurality of vertical holes and the concave unit.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: October 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun-yong Park, Choo-ho Kim, Won-ho Jung, Jin-ki Hong
  • Patent number: 8852971
    Abstract: A method of cutting light emitting element packages includes preparing a ceramic substrate having a surface on which a plurality of light emitting element chips are mounted and a light-transmitting material layer is formed to cover the plurality of light emitting element chips; partially removing the light-transmitting material layer between the plurality of light emitting element chips along a cutting line by using a mechanical cutting method; and separating individual light emitting element packages by cutting the ceramic substrate along the cutting line by using a laser cutting method.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui-seok Kim, Won-soo Ji, Choo-ho Kim, Shin-min Rhee, Dong-hun Lee, Hee-young Jun
  • Publication number: 20140285815
    Abstract: An apparatus for measurement of a three-dimensional (3D) shape includes a lens unit transmitting slit beams to a plurality of measurement objects, a light source unit irradiating the plurality of slit beams to the lens unit at different angles, an imaging unit obtaining images of the plurality of measurement objects formed by the slit beams irradiated on the plurality of measurement objects, and a calculation processing unit generating information regarding a 3D shape of the plurality of measurement objects from the images obtained by the imaging unit.
    Type: Application
    Filed: January 31, 2014
    Publication date: September 25, 2014
    Inventors: Dae Seo PARK, Dae Gwan KIM, Won Soo JI, Choo Ho KIM
  • Patent number: 8815616
    Abstract: There is provided a slit valve unit including: a body disposed on an outer side of a process chamber and having an entrance connected to an opening of the process chamber; a slit valve provided in an internal space of the body and selectively opening and closing the entrance; a plurality of packing members provided along the circumference of the entrance on an inner side of the body and tightly attached to the slit valve when the slit valve shields the entrance; and a connection pipe having one end exposed between the plurality of packing members on the inner side of the body so as to be connected to an airtight space formed among the plurality of packing members, the body, and the slit valve, and the other end exposed to the outer side of the body, the connection pipe penetrating the body.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Kyu Bang, Sung Don Kwak, Choo-Ho Kim, Won Soo Ji
  • Patent number: 8809189
    Abstract: Methods of forming through-silicon vias by using laser ablation. A method includes, laser drilling to form a plurality of grooves by irradiating a laser beam onto an upper surface of a silicon wafer, and grinding a lower surface of the silicon wafer to form a plurality of through-silicon vias by exposing the grooves on the lower surface of the silicon wafer.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui-seok Kim, Sang-kyu Bang, Soo-hyun Cho, Choo-ho Kim, Won-soo Ji
  • Patent number: 8791497
    Abstract: A light-emitting device package mold and a method of manufacturing a lens of a light-emitting device package. The light-emitting device package mold includes a convex unit, an inner circumference of which has a hemispherical shape; a flat panel unit that forms a flat panel by extending from an edge of the convex unit; a cylindrical unit extending in a vertical direction with respect to an upper surface of the flat panel unit; and an injection hole and a discharge hole that penetrate through the convex unit, wherein the discharge hole is formed in a horizontal direction with respect to the flat panel unit.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hun-yong Park, Dae-young Kim, Choo-ho Kim, Jomg-o Lim, Yong-rak Jeong
  • Publication number: 20140130732
    Abstract: There are provided a wafer holder cleaning apparatus and a film deposition system including the same, the wafer holder cleaning apparatus including a housing part including an entrance into and out of which a wafer holder is carried, a door part selectively opening and closing the entrance, a support part provided within the housing part and having the wafer holder disposed thereon, the wafer holder being carried into the housing part through the entrance, and a cleaning part cleaning a surface of the wafer holder.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kyu BANG, Sung Don KWAK, Choo Ho KIM, Won Soo JI