Patents by Inventor Ji-Hye YEON

Ji-Hye YEON 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: 20190312182
    Abstract: A method of fabricating a light emitting device package includes forming a plurality of semiconductor light emitting parts, each having a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer on a growth substrate, forming a partition structure having a plurality of light emitting windows on the growth substrate, filling each of the plurality of light emitting windows with a resin having a phosphor, and forming a plurality of wavelength conversion parts by planarizing a surface of the resin.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 10, 2019
    Inventors: Wan Tae LIM, Sung Hyun SIM, Hanul YOO, YONG IL KIM, Hye Seok NOH, Ji Hye YEON
  • Publication number: 20190312083
    Abstract: A light emitting diode display device is provided.
    Type: Application
    Filed: November 30, 2018
    Publication date: October 10, 2019
    Inventors: Tan SAKONG, YONG IL KIM, Jong Uk SEO, Ji Hye YEON
  • Patent number: 10438994
    Abstract: A method of fabricating a light emitting device package including forming a cell array that includes semiconductor light-emitters including first and second conductivity-type semiconductor layers and an active layer on a substrate, and a separation region, the cell array having a first surface contacting the substrate; exposing the first surface of the separation region by removing the substrate; forming a seed layer on the first surface in the separation region; forming a photoresist pattern on the light-emitters such that the photoresist pattern exposes the seed layer; forming a partition structure that separates the light-emitters by plating a region exposed by the photoresist pattern; forming light emitting windows of the partition structure by removing the photoresist pattern such that the light-emitters are exposed at lower ends of the light emitting windows; and forming wavelength converters by filling the light emitting windows with a wavelength conversion material.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hye Yeon, Sung Hyun Sim, Ha Nul Yoo, Dong Gun Lee
  • Publication number: 20190305202
    Abstract: A light emitting diode display device includes a display board comprising a plurality of unit pixels, a drive circuit board including a plurality of drive circuit regions corresponding to the plurality of unit pixels, and a plurality of bumps interposed between the plurality of unit pixels and the plurality of drive circuit regions. The plurality of unit pixels comprises a first unit pixel including a first P electrode. The plurality of drive circuit regions comprises a first drive circuit region corresponding to the first unit pixel and a first pad connected to a first drive transistor, the plurality of bumps includes a first solder in contact with the first pad, and a first bump on the first solder and including a first filler in contact with the first P electrode, the first solder includes at least one of tin and silver, and the first filler includes copper or nickel.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Inventors: Tan SAKONG, Yong Il KIM, Han Kyu SEONG, Ji Hye YEON, Chung Sun LEE, Ji Hwan HWANG
  • Patent number: 10403608
    Abstract: A light-emitting diode (LED) device includes a plurality of light-emitting structures spaced apart from each other; a plurality of electrode layers on first surfaces of the plurality of light-emitting structures, respectively; a protection layer on second surfaces of each of the plurality of light-emitting structures, respectively; a separation layer to electrically insulate the plurality of light-emitting structures from each other and electrically insulate the plurality of electrode layers from each other; a plurality of phosphor layers on second surfaces of the plurality of light-emitting structures, respectively, each of the plurality of the phosphor layers each to output a different color of light; and a partitioning layer between the phosphor layers and separating the plurality of phosphor layers from each other, the partitioning layer including a substrate structure, an insulation structure, or a metal structure.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: September 3, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-hyun Sim, Yong-il Kim, Wan-tae Lim, Ji-hye Yeon, Ha-nul Yoo
  • Publication number: 20190189853
    Abstract: A light emitting device package comprises a light emitting cell array including a first light emitting cell, a second light emitting cell, and a third light emitting cell, and including a first surface, and a second surface, disposed to oppose the first surface; a plurality of metal pillars disposed on the first surface of the light emitting cell array and electrically connected to the first light emitting cell, the second light emitting cell, and the third light emitting cell; and a molding portion encapsulating the light emitting cell array and the plurality of metal pillars, wherein the plurality of metal pillars include a conductive layer and a bonding layer disposed below the conductive layer, and an interface between the bonding layer and the conductive layer is higher than a lower surface of the molding portion.
    Type: Application
    Filed: June 19, 2018
    Publication date: June 20, 2019
    Inventors: Hanul YOO, Sung Hyun SIM, Ji Hye YEON, Yong Il KIM, Dong Gun LEE
  • Publication number: 20190189876
    Abstract: A light emitting device package including a cell array including first, second and third light emitting devices each including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, the cell array having a first surface and a second surface opposing the first surface, a light-transmissive substrate including a first wavelength conversion portion and a second wavelength conversion portion corresponding to the first light emitting device and the second light emitting device, respectively, and bonded to the first surface, and a eutectic bonding layer including a first light emitting window, a second light emitting window and a third light emitting window corresponding to the first light emitting device, the second light emitting device and the third light emitting device, respectively, and bonding the light-transmissive substrate and the first to third light emitting devices to each other may be provided.
    Type: Application
    Filed: June 1, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Gun LEE, Yong II Kim, Han Kyu Seong, Ji Hye Yeon, Jin Sub Lee, Young Jin Choi
  • Patent number: 10326061
    Abstract: A method of fabricating a light emitting device package includes forming a plurality of semiconductor light emitting parts, each having a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer on a growth substrate, forming a partition structure having a plurality of light emitting windows on the growth substrate, filling each of the plurality of light emitting windows with a resin having a phosphor, and forming a plurality of wavelength conversion parts by planarizing a surface of the resin.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wan Tae Lim, Sung Hyun Sim, Hanul Yoo, Yong Il Kim, Hye Seok Noh, Ji Hye Yeon
  • Publication number: 20190181181
    Abstract: A method of fabricating a light emitting device package including forming a cell array that includes semiconductor light-emitters including first and second conductivity-type semiconductor layers and an active layer on a substrate, and a separation region, the cell array having a first surface contacting the substrate; exposing the first surface of the separation region by removing the substrate; forming a seed layer on the first surface in the separation region; forming a photoresist pattern on the light-emitters such that the photoresist pattern exposes the seed layer; forming a partition structure that separates the light-emitters by plating a region exposed by the photoresist pattern; forming light emitting windows of the partition structure by removing the photoresist pattern such that the light-emitters are exposed at lower ends of the light emitting windows; and forming wavelength converters by filling the light emitting windows with a wavelength conversion material.
    Type: Application
    Filed: May 30, 2018
    Publication date: June 13, 2019
    Inventors: Ji Hye YEON, Sung Hyun SIM, Ha Nul YOO, Dong Gun LEE
  • Publication number: 20190067257
    Abstract: A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a plurality of light-emitting structures spaced apart from one another; a plurality of electrode layers on respective first surfaces of the light-emitting structures, a separation layer configured to electrically insulate the light-emitting structures from each other; phosphor layers on respective second surfaces of the light-emitting structures and associated with different colors, and a partition layer between the phosphor layers to separate the phosphor layers from one another. Each light-emitting cell may include a separate light-emitting structure, a separate set of one or more electrodes, and a separate phosphor layer.
    Type: Application
    Filed: November 1, 2018
    Publication date: February 28, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-hye YEON, Wan-tae LIM, Young-soo PARK, Jung-sub KIM, Jin-sub LEE, Ha-nul YOO, Hye-seok NOH
  • Patent number: 10153260
    Abstract: A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a plurality of light-emitting structures spaced apart from one another; a plurality of electrode layers on respective first surfaces of the light-emitting structures, a separation layer configured to electrically insulate the light-emitting structures from each other; phosphor layers on respective second surfaces of the light-emitting structures and associated with different colors, and a partition layer between the phosphor layers to separate the phosphor layers from one another. Each light-emitting cell may include a separate light-emitting structure, a separate set of one or more electrodes, and a separate phosphor layer.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG ELECTRONICS, CO., LTD.
    Inventors: Ji-hye Yeon, Wan-tae Lim, Young-soo Park, Jung-sub Kim, Jin-sub Lee, Ha-nul Yoo, Hye-seok Noh
  • Patent number: 10103301
    Abstract: A semiconductor light emitting device includes a light-transmissive support having a first surface including a first region and a second region surrounding the first region, and a second surface opposing the first surface, and including a wavelength conversion material, a semiconductor stack disposed above the first region of the first surface of the light-transmissive support, and including first and second conductivity-type semiconductor layers and an active layer disposed therebetween, a light-transmitting bonding layer disposed between the light-transmissive support and the semiconductor stack, a light blocking film disposed above the second region of the light-transmissive support to surround the semiconductor stack, and first and second electrodes respectively disposed on portions of the first and second conductivity-type semiconductor layers.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: October 16, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hanul Yoo, Yong Il Kim, Sung Hyun Sim, Wan Tae Lim, Hye Seok Noh, Ji Hye Yeon
  • Publication number: 20180286915
    Abstract: A semiconductor light emitting device includes a plurality of light emitting cells including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer between the first and second conductivity type semiconductor layers, an insulating layer on the plurality of light emitting cells and having a first opening and a second opening defining a first contact region of the first conductivity type semiconductor layer and a second contact region of the second conductivity type semiconductor layer, respectively, in each of the plurality of light emitting cells, a connection electrode on the insulating layer and connecting the first contact region and the second contact region to electrically connect the plurality of light emitting cells to each other, a transparent support substrate on the insulating layer and the connection electrode, and a transparent bonding layer between the insulating layer and the transparent support substrate.
    Type: Application
    Filed: October 20, 2017
    Publication date: October 4, 2018
    Inventors: Ji Hye YEON, Han Kyu SEONG, Wan Tae LIM, Sung Hyun SIM, Hanul YOO
  • Publication number: 20180269360
    Abstract: A light emitting apparatus includes at least one first light source and at least one second light source. The at least one first light source and at least one second light source may be configured to emit white light and cyan light, respectively, such that a ratio of luminous flux of the white light to luminous flux of the cyan light ranges from 19:1 to 370:1, based on a common magnitude of electrical current being applied to each of the at least one first light source and the at least one second light source.
    Type: Application
    Filed: May 21, 2018
    Publication date: September 20, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji Hye YEON, Han Kyu SEONG, Yong II KIM, Jung Sub KIM
  • Publication number: 20180211993
    Abstract: A light emitting device package includes a substrate for growth having a plurality of light-emitting windows, a plurality of semiconductor light-emitting units corresponding to the plurality of light-emitting windows, each semiconductor light-emitting unit having a first surface contacting the substrate for growth and a second surface opposite the first surface, and each semiconductor light-emitting unit having a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer stacked on each other, a plurality of wavelength conversion units respectively disposed inside the plurality of light-emitting windows, each wavelength conversion unit is configured to provide light having a wavelength different from light emitted by the respective semiconductor light-emitting unit, a metal support layer disposed on at least one surface of each of the plurality of semiconductor light-emitting units and having a lateral surface coplanar with a lateral surface of the substra
    Type: Application
    Filed: March 23, 2018
    Publication date: July 26, 2018
    Inventors: Ji Hye YEON, Sung Hyun SIM, Wan Tae LIM, Yong Il KIM, Hanul YOO
  • Patent number: 10008640
    Abstract: A light emitting apparatus includes at least one first light source and at least one second light source. The at least one first light source and at least one second light source may be configured to emit white light and cyan light, respectively, such that a ratio of luminous flux of the white light to luminous flux of the cyan light ranges from 19:1 to 370:1, based on a common magnitude of electrical current being applied to each of the at least one first light source and the at least one second light source.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hye Yeon, Han Kyu Seong, Yong Il Kim, Jung Sub Kim
  • Publication number: 20180175261
    Abstract: A semiconductor light emitting device includes a light-transmissive support having a first surface including a first region and a second region surrounding the first region, and a second surface opposing the first surface, and including a wavelength conversion material, a semiconductor stack disposed above the first region of the first surface of the light-transmissive support, and including first and second conductivity-type semiconductor layers and an active layer disposed therebetween, a light-transmitting bonding layer disposed between the light-transmissive support and the semiconductor stack, a light blocking film disposed above the second region of the light-transmissive support to surround the semiconductor stack, and first and second electrodes respectively disposed on portions of the first and second conductivity-type semiconductor layers.
    Type: Application
    Filed: June 8, 2017
    Publication date: June 21, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hanul Yoo, Yong ll Kim, Sung Hyun Sim, Wan Tae Lim, Hye Seok Noh, Ji Hye Yeon
  • Publication number: 20180166425
    Abstract: A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a plurality of light-emitting structures spaced apart from one another; a plurality of electrode layers on respective first surfaces of the light-emitting structures, a separation layer configured to electrically insulate the light-emitting structures from each other; phosphor layers on respective second surfaces of the light-emitting structures and associated with different colors, and a partition layer between the phosphor layers to separate the phosphor layers from one another. Each light-emitting cell may include a separate light-emitting structure, a separate set of one or more electrodes, and a separate phosphor layer.
    Type: Application
    Filed: January 24, 2018
    Publication date: June 14, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-hye Yeon, Wan-tae Lim, Young-soo Park, Jung-sub Kim, Jin-sub Lee, Ha-nul Yoo, Hye-seok Noh
  • Publication number: 20180166424
    Abstract: A light-emitting diode (LED) device includes a plurality of light-emitting structures spaced apart from each other; a plurality of electrode layers on first surfaces of the plurality of light-emitting structures, respectively; a protection layer on second surfaces of each of the plurality of light-emitting structures, respectively; a separation layer to electrically insulate the plurality of light-emitting structures from each other and electrically insulate the plurality of electrode layers from each other; a plurality of phosphor layers on second surfaces of the plurality of light-emitting structures, respectively, each of the plurality of the phosphor layers each to output a different color of light; and a partitioning layer between the phosphor layers and separating the plurality of phosphor layers from each other, the partitioning layer including a substrate structure, an insulation structure, or a metal structure.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 14, 2018
    Inventors: Sung-hyun Sim, Yong-il Kim, Wan-tae Lim, Ji-hye Yeon, Ha-nul Yoo
  • Publication number: 20180118160
    Abstract: A motor vehicle includes a plurality of security devices and an electronic processor communicatively coupled to each of the security devices. The electronic processor determines that a user of the motor vehicle has depressed a predetermined pushbutton. In response to determining that the predetermined pushbutton has been depressed, the electronic processor causes each if the security devices to be turned ON.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 3, 2018
    Inventors: DONALD ALLEN TURNER, JERROD WESLEY BRUECKNER, KURT E. FOSTER, KENTA KIMURA, JODI PAXTON, MARIA ROHRER, TODD TUCKER, JI HYE YEON