Patents by Inventor Hye Seok NOH

Hye Seok NOH 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: 11296260
    Abstract: A light emitting device package including a partition structure having first and second surfaces, and first to third light emission windows penetrating through the first and second surfaces, a cell array including first to third light emitting devices on the first surface of the partition structure and overlapping the first to third light emission windows, each of the first to third light emitting devices including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, first and second wavelength conversion portions filling interiors of the first and second light emission windows, and having a meniscus-shaped interfaces, a first encapsulating portion including a light-transmissive organic film layer that fills the third light emission window and covers the first and second wavelength conversion portions, and a second encapsulating portion covering the first and second encapsulating portions and including a light-transmissive inorganic film layer.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Sub Lee, Deuk Seok Chung, Hye Seok Noh, Young Jin Choi
  • Patent number: 10991857
    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: June 17, 2019
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wan Tae Lim, Sung Hyun Sim, Hanul Yoo, Yong Il Kim, Hye Seok Noh, Ji Hye Yeon
  • Patent number: 10770436
    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: October 24, 2019
    Date of Patent: September 8, 2020
    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: 10734559
    Abstract: A light-emitting diode (LED) package includes a light-emitting structure, an optical wavelength conversion layer on the light-emitting structure, and an optical filter layer on the optical wavelength conversion layer. The light-emitting structure includes a first-conductivity-type semiconductor layer, an active layer on the first-conductivity-type semiconductor layer, and a second-conductivity-type semiconductor layer on the active layer, and emits first light having a first peak wavelength. The optical wavelength conversion layer absorbs the first light emitted from the light-emitting structure and emits second light having a second peak wavelength different from the first peak wavelength. The optical filter layer reflects the first light emitted from the light-emitting structure and transmits the second light emitted from the optical wavelength conversion layer.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-nul Yoo, Yong-il Kim, Nam-goo Cha, Wan-tae Lim, Kyung-wook Hwang, Sung-hyun Sim, Hye-seok Noh
  • Patent number: 10714667
    Abstract: A method of manufacturing a light emitting device includes forming light emitting devices on a support portion, each of the light emitting devices including first to third light emitting cells respectively emitting light of different colors; supplying test power to at least a portion of the light emitting devices using a multi-probe; acquiring an image from the light emitted from the portion of the light emitting devices to which the test power is supplied using an image sensor; identifying normal light emitting devices of the portion of the light emitting devices by determining whether a defect is present in each of the light emitting devices of the portion of the light emitting devices by comparing the image acquired by the image sensor with a reference image; and based on the identifying step, measuring optical characteristics of each of the light emitting devices identified as normal of the portion of the light emitting devices.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye Seok Noh, Young Jin Choi, Yong Il Kim, Han Kyu Seong, Dong Gun Lee, Jin Sub Lee
  • Publication number: 20200144327
    Abstract: A light emitting diode module includes a cell array including first to fourth light emitting diode cells, each cell having a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, the cell array having a first surface and a second surface opposite to the first surface; first to fourth light adjusting portions on the second surface of the cell array to respectively correspond to the first to fourth light emitting diode cells, to provide red light, first green light, second green light, and blue light, respectively; light blocking walls between the first to fourth light adjusting portions to isolate the first to fourth light adjusting portions from one another; and an electrode portion on the first surface of the cell array, and electrically connected to the first to fourth light emitting diode cells to selectively drive the first to fourth light emitting diode cells.
    Type: Application
    Filed: June 27, 2019
    Publication date: May 7, 2020
    Inventors: Jin Sub LEE, Hye Seok NOH, Han Kyu SEONG, Young Jin CHOI
  • Publication number: 20200144458
    Abstract: A light emitting device package including a partition structure having first and second surfaces, and first to third light emission windows penetrating through the first and second surfaces, a cell array including first to third light emitting devices on the first surface of the partition structure and overlapping the first to third light emission windows, each of the first to third light emitting devices including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, first and second wavelength conversion portions filling interiors of the first and second light emission windows, and having a meniscus-shaped interfaces, a first encapsulating portion including a light-transmissive organic film layer that fills the third light emission window and covers the first and second wavelength conversion portions, and a second encapsulating portion covering the first and second encapsulating portions and including a light-transmissive inorganic film layer.
    Type: Application
    Filed: June 12, 2019
    Publication date: May 7, 2020
    Inventors: Jin Sub LEE, Deuk Seok CHUNG, Hye Seok NOH, Young Jin CHOI
  • Publication number: 20200066689
    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: October 24, 2019
    Publication date: February 27, 2020
    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: 10566318
    Abstract: A light emitting device package includes a first wavelength conversion portion and a second wavelength conversion portion to provide a wavelength of incident light to provide light having a converted wavelength, a light-transmissive partition structure extending along side surfaces of the first and second wavelength conversion portions along a thickness direction to separate the first and second wavelength conversion portions part from each other along a direction crossing the thickness direction, and a cell array including a first light emitting device, a second light emitting device and a third light emitting device, overlapping the first wavelength conversion portion, the second wavelength conversion portion and the light-transmissive partition structure, respectively, along the thickness direction.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Gun Lee, Yong Il Kim, Hye Seok Noh, Han Kyu Seong, Sung Hyun Sim, Ha Nul Yoo
  • Patent number: 10497683
    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: November 1, 2018
    Date of Patent: December 3, 2019
    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
  • 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: 20190221730
    Abstract: A light-emitting diode (LED) package includes a light-emitting structure, an optical wavelength conversion layer on the light-emitting structure, and an optical filter layer on the optical wavelength conversion layer. The light-emitting structure includes a first-conductivity-type semiconductor layer, an active layer on the first-conductivity-type semiconductor layer, and a second-conductivity-type semiconductor layer on the active layer, and emits first light having a first peak wavelength. The optical wavelength conversion layer absorbs the first light emitted from the light-emitting structure and emits second light having a second peak wavelength different from the first peak wavelength. The optical filter layer reflects the first light emitted from the light-emitting structure and transmits the second light emitted from the optical wavelength conversion layer.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ha-nul Yoo, Yong-il Kim, Nam-goo Cha, Wan-tae Lim, Kyung-wook Hwang, Sung-hyun Sim, Hye-seok Noh
  • Patent number: 10333035
    Abstract: A method of manufacturing a light emitting device package is provided. The method includes preparing a film strip including one or more light blocking regions and one or more wavelength conversion regions, preparing light emitting devices, each including one or more light emitting regions, bonding the film strip to the light emitting devices so as to dispose the one or more wavelength conversion regions on the one or more light emitting regions of each of the light emitting devices, and cutting the film strip and the light emitting devices into individual device units.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Goo Cha, Sung Hyun Sim, Wan tae Lim, Hye Seok Noh, Hanul Yoo
  • Publication number: 20190189595
    Abstract: A light emitting device package includes a first wavelength conversion portion and a second wavelength conversion portion to provide a wavelength of incident light to provide light having a converted wavelength, a light-transmissive partition structure extending along side surfaces of the first and second wavelength conversion portions along a thickness direction to separate the first and second wavelength conversion portions part from each other along a direction crossing the thickness direction, and a cell array including a first light emitting device, a second light emitting device and a third light emitting device, overlapping the first wavelength conversion portion, the second wavelength conversion portion and the light-transmissive partition structure, respectively, along the thickness direction.
    Type: Application
    Filed: June 14, 2018
    Publication date: June 20, 2019
    Inventors: Dong Gun LEE, Yong Il KIM, Hye Seok NOH, Han Kyu SEONG, Sung Hyun SIM, Ha Nul YOO
  • 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: 20190181316
    Abstract: A method of manufacturing a light emitting device includes forming light emitting devices on a support portion, each of the light emitting devices including first to third light emitting cells respectively emitting light of different colors; supplying test power to at least a portion of the light emitting devices using a multi-probe; acquiring an image from the light emitted from the portion of the light emitting devices to which the test power is supplied using an image sensor; identifying normal light emitting devices of the portion of the light emitting devices by determining whether a defect is present in each of the light emitting devices of the portion of the light emitting devices by comparing the image acquired by the image sensor with a reference image; and based on the identifying step, measuring optical characteristics of each of the light emitting devices identified as normal of the portion of the light emitting devices.
    Type: Application
    Filed: June 27, 2018
    Publication date: June 13, 2019
    Inventors: Hye Seok NOH, Young Jin CHOI, Yong Il KIM, Han Kyu SEONG, Dong Gun LEE, Jin Sub LEE
  • Patent number: 10243123
    Abstract: A light-emitting diode (LED) package includes a light-emitting structure, an optical wavelength conversion layer on the light-emitting structure, and an optical filter layer on the optical wavelength conversion layer. The light-emitting structure includes a first-conductivity-type semiconductor layer, an active layer on the first-conductivity-type semiconductor layer, and a second-conductivity-type semiconductor layer on the active layer, and emits first light having a first peak wavelength. The optical wavelength conversion layer absorbs the first light emitted from the light-emitting structure and emits second light having a second peak wavelength different from the first peak wavelength. The optical filter layer reflects the first light emitted from the light-emitting structure and transmits the second light emitted from the optical wavelength conversion layer.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-nul Yoo, Yong-il Kim, Nam-goo Cha, Wan-tae Lim, Kyung-wook Hwang, Sung-hyun Sim, Hye-seok Noh
  • 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: 10217914
    Abstract: A semiconductor light emitting device includes: a light emitting structure including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer respectively providing a first surface and a second surface, opposite to each other, of the light emitting structure, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a region of the first conductivity-type semiconductor layer being open toward the second surface, and the first surface having a concavo-convex portion disposed thereon; a first electrode and a second electrode disposed on the region of the first conductivity-type semiconductor layer and a region of the second conductivity-type semiconductor layer, respectively; a transparent support substrate disposed on the first surface of the light emitting structure; and a transparent adhesive layer disposed between the first surface of the light emitting structure and the transparent sup
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Goo Cha, Wan Tae Lim, Yong Il Kim, Hye Seok Noh, Eun Joo Shin, Sung Hyun Sim, Hanul Yoo
  • 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