Patents by Inventor Motonobu Takeya

Motonobu Takeya 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: 10068884
    Abstract: A display apparatus including a first substrate including a plurality of light emitting diodes regularly disposed thereon, a second substrate including a thin-film transistor (TFT) panel part including a plurality of TFTs configured to drive the light emitting diodes, and a third substrate including a light converter configured to convert light emitted from the first substrate, in which the first substrate and the second substrate are coupled to face each other, the light emitting diodes are electrically connected to the TFTs, respectively, the first substrate and the third substrate are coupled to face each other, and light emitted from the light emitting diodes is converted into at least one of blue light, green light, and red light through the light converter.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 4, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim, Jong Ik Lee
  • Publication number: 20180233494
    Abstract: A display apparatus and a method of manufacturing the same. The display apparatus includes a circuit board; and a plurality of pixels formed on the circuit board, wherein at least one of a blue light emitting diode chip, a red light emitting diode part, and a green light emitting diode chip is disposed in each of the pixels, and the blue light emitting diode chip, the red light emitting diode part and the green light emitting diode chip are covered by a coupling structure.
    Type: Application
    Filed: February 13, 2018
    Publication date: August 16, 2018
    Inventor: Motonobu TAKEYA
  • Patent number: 10050026
    Abstract: A display apparatus includes a light emitting diode part and a thin film (TFT) panel configured to drive the light emitting diode part. The light emitting diode part includes a transparent support substrate, a plurality of light emitting diodes, a plurality of phosphor layers disposed on the support substrate covering at a first portion of the plurality of light emitting diodes and configured to emit light through a conversion of introduced light. Another display apparatus includes a light emitting diode part including a plurality of light emitting diodes and a TFT panel configured to drive the light emitting diode part. The TFT panel includes a panel substrate including a TFT driving circuit and a plurality of grooves formed on the panel substrate. The TFT panel also includes a plurality of phosphor layers the plurality of grooves and configured to emit light through wavelength conversion of introduced light.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: August 14, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 9997669
    Abstract: Disclosed herein are a light emitting device and a method of making the same. The light emitting device includes: a substrate including a first lead and a second lead; a light emitting diode disposed over the first lead of the substrate, including a second conductive-type semiconductor layer, an active layer, and a first conductive-type semiconductor layer, and emit near ultraviolet light; and a wavelength conversion unit disposed over the light emitting diode and spaced apart from the light emitting diode, wherein the light emitting structure has semi-polar or non-polar characteristics, the wavelength conversion unit has a multi-layered structure including a first phosphor layer and a second phosphor layer, and the light emitting diode is driven at a current density which is equal to or greater than 350 mA/mm2.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: June 12, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chang Ik Im, Motonobu Takeya, Chung Hoon Lee, Michael Lim
  • Patent number: 9997688
    Abstract: A display apparatus and a method of manufacturing the same includes a plurality of light emitting diode modules each including a plurality of light emitting diodes regularly arranged therein, and a substrate including a drive unit driving the plurality of light emitting diodes. The substrate is coupled to the plurality of light emitting diode modules such that they oppose each other; and, the drive unit is electrically connected to the plurality of light emitting diodes.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: June 12, 2018
    Assignee: Seoul Semiconducter Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim, Jong Ik Lee, Kwang Yong Oh
  • Patent number: 9978727
    Abstract: A display apparatus including a light emitting diode part including a plurality of regularly arranged light emitting diodes, and a thin-film transistor (TFT) panel part including a plurality of TFTs configured to drive the light emitting diodes disposed on the TFT panel part. The light emitting diode part further includes a transparent substrate disposed on the light emitting diodes, and a phosphor layer disposed on the transparent substrate and configured to emit at least one of blue light, green light, and red light by converting at least a portion of a wavelength of light emitted from the light emitting diodes, in which a thickness of the transparent substrate is less than a thickness of the phosphor layer.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: May 22, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim, Jong Ik Lee
  • Publication number: 20180138162
    Abstract: A display apparatus and a micro-light emitting diode are disclosed. The display apparatus includes: a first substrate including a light emitting diode part including a plurality of light emitting diodes regularly arranged on the first substrate. The display apparatus is implemented using micro-light emitting diodes formed of nitride semiconductors and thus can provide high efficiency and high resolution to be applicable to a wearable apparatus while reducing power consumption. The micro-light emitting diodes may include a wall element so as to be applied to a display substrate by force.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 17, 2018
    Inventors: Motonobu TAKEYA, Young Hyun KIM
  • Publication number: 20180074372
    Abstract: A display apparatus including a light emitting part including a plurality of light emitting diodes spaced apart from each other, and a light conversion part configured to convert light emitted from the light emitting part, in which the light emitting diodes include at least one first light emitting diode and at least one second light emitting diode, the light conversion part emits red light through wavelength conversion of light emitted from the at least one first light emitting diode, and the at least one second light emitting diode emits green light.
    Type: Application
    Filed: August 28, 2017
    Publication date: March 15, 2018
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 9887184
    Abstract: A display apparatus and a method of manufacturing the same are disclosed. The display apparatus includes: a first substrate including a light emitting diode part including a plurality of light emitting diodes regularly arranged on the first substrate; and a second substrate including a TFT panel unit including a plurality of TFTs driving the light emitting diodes. The first substrate and the second substrate are coupled to each other so as to face each other such that the light emitting diodes are electrically connected to the TFTs, respectively. The display apparatus is implemented using micro-light emitting diodes formed of nitride semiconductors and thus can provide high efficiency and high resolution to be applicable to a wearable apparatus while reducing power consumption.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: February 6, 2018
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Publication number: 20180012949
    Abstract: Disclosed are a display apparatus and a method of manufacturing the same. The display apparatus includes a light emitting part including a plurality of light emitting diodes; and a thin film transistor (TFT) panel part configured to drive the plurality of light emitting diodes. A first side of the light emitting part and a first side of the TFT panel part are coupled to each other so as to face each other. The plurality of light emitting diodes are electrically connected to the plurality of TFTs, respectively.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 11, 2018
    Inventors: Motonobu TAKEYA, Jong Ik LEE, Young Hyun KIM
  • Publication number: 20170358624
    Abstract: A display apparatus including a light emitting diode part including a plurality of regularly arranged light emitting diodes, and a TFT panel part configured to drive the light emitting diode part. The light emitting diode part includes a transparent electrode, the light emitting diodes regularly disposed on a first surface of the transparent electrode and electrically connected to the transparent electrode, a plurality of first reflective electrodes disposed at sides of the light emitting diodes, surrounding the light emitting diodes, and electrically connected to the transparent electrode, and a plurality of second reflective electrodes electrically connected to the light emitting diodes, respectively, and reflecting light emitted from the light emitting diodes.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 14, 2017
    Inventors: Motonobu TAKEYA, Young Hyun KIM, Jong Ik LEE
  • Publication number: 20170287887
    Abstract: A display apparatus including a first substrate including a plurality of light emitting diodes regularly disposed thereon, a second substrate including a thin-film transistor (TFT) panel part including a plurality of TFTs configured to drive the light emitting diodes, and a third substrate including a light converter configured to convert light emitted from the first substrate, in which the first substrate and the second substrate are coupled to face each other, the light emitting diodes are electrically connected to the TFTs, respectively, the first substrate and the third substrate are coupled to face each other, and light emitted from the light emitting diodes is converted into at least one of blue light, green light, and red light through the light converter.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Inventors: Motonobu TAKEYA, Young Hyun KIM, Jong Ik LEE
  • Publication number: 20170250329
    Abstract: A display apparatus and a method of manufacturing the same includes a plurality of light emitting diode modules each including a plurality of light emitting diodes regularly arranged therein, and a substrate including a drive unit driving the plurality of light emitting diodes. The substrate is coupled to the plurality of light emitting diode modules such that they oppose each other; and, the drive unit is electrically connected to the plurality of light emitting diodes.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Inventors: Motonobu TAKEYA, Young Hyun KIM, Jong Ik LEE, Kwang Yong OH
  • Publication number: 20170250164
    Abstract: A display apparatus including a light emitting diode part including a plurality of regularly arranged light emitting diodes, and a thin-film transistor (TFT) panel part including a plurality of TFTs configured to drive the light emitting diodes disposed on the TFT panel part. The light emitting diode part further includes a transparent substrate disposed on the light emitting diodes, and a phosphor layer disposed on the transparent substrate and configured to emit at least one of blue light, green light, and red light by converting at least a portion of a wavelength of light emitted from the light emitting diodes, in which a thickness of the transparent substrate is less than a thickness of the phosphor layer.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Inventors: Motonobu TAKEYA, Young Hyun KIM, Jong Ik LEE
  • Publication number: 20170194304
    Abstract: A display apparatus includes a light emitting diode part and a thin film (TFT) panel configured to drive the light emitting diode part. The light emitting diode part includes a transparent support substrate, a plurality of light emitting diodes, a plurality of phosphor layers disposed on the support substrate covering at a first portion of the plurality of light emitting diodes and configured to emit light through a conversion of introduced light. Another display apparatus includes a light emitting diode part including a plurality of light emitting diodes and a TFT panel configured to drive the light emitting diode part. The TFT panel includes a panel substrate including a TFT driving circuit and a plurality of grooves formed on the panel substrate. The TFT panel also includes a plurality of phosphor layers the plurality of grooves and configured to emit light through wavelength conversion of introduced light.
    Type: Application
    Filed: December 30, 2016
    Publication date: July 6, 2017
    Inventors: Motonobu TAKEYA, Young Hyun Kim
  • Publication number: 20170025399
    Abstract: A display apparatus and a method of manufacturing the same are disclosed. The display apparatus includes: a first substrate including a light emitting diode part including a plurality of light emitting diodes regularly arranged on the first substrate; and a second substrate including a TFT panel unit including a plurality of TFTs driving the light emitting diodes. The first substrate and the second substrate are coupled to each other so as to face each other such that the light emitting diodes are electrically connected to the TFTs, respectively. The display apparatus is implemented using micro-light emitting diodes formed of nitride semiconductors and thus can provide high efficiency and high resolution to be applicable to a wearable apparatus while reducing power consumption.
    Type: Application
    Filed: July 25, 2016
    Publication date: January 26, 2017
    Inventors: Motonobu TAKEYA, Young Hyun KIM
  • Patent number: 9263567
    Abstract: A normally off nitride-based transistor may include a source electrode and a drain electrode, a channel layer serving as a charge transfer path between the source electrode and the drain electrode, and a gate electrode that controls charge transfer of the channel layer. The channel layer may have a junction structure of a first conductive nitride semiconductor layer and an intrinsic nitride semiconductor layer such that a fixed turn-off blocking electric field is generated in the channel layer between the source electrode and the drain electrode in a turn-off state. The intrinsic nitride semiconductor layer may include an intrinsic GaN semiconductor layer, and the first conductive nitride semiconductor layer may include a p type GaN semiconductor layer stacked over the intrinsic GaN semiconductor layer.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: February 16, 2016
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Motonobu Takeya
  • Publication number: 20160043276
    Abstract: Disclosed herein are a light emitting device and a method of making the same. The light emitting device includes: a substrate including a first lead and a second lead; a light emitting diode disposed over the first lead of the substrate, including a second conductive-type semiconductor layer, an active layer, and a first conductive-type semiconductor layer, and emit near ultraviolet light; and a wavelength conversion unit disposed over the light emitting diode and spaced apart from the light emitting diode, wherein the light emitting structure has semi-polar or non-polar characteristics, the wavelength conversion unit has a multi-layered structure including a first phosphor layer and a second phosphor layer, and the light emitting diode is driven at a current density which is equal to or greater than 350 mA/mm2.
    Type: Application
    Filed: August 6, 2015
    Publication date: February 11, 2016
    Inventors: Chang Ik Im, Motonobu Takeya, Chung Hoon Lee, Michael Lim
  • Patent number: 9219137
    Abstract: A vertical gallium nitride transistor according to an exemplary embodiment of the present invention includes a semiconductor structure including a first semiconductor layer of a first conductivity-type having a first surface and sidewalls, a second semiconductor layer of the first conductivity-type surrounding the first surface and the sidewalls of the first semiconductor layer, and a third semiconductor layer of a second conductivity-type disposed between the first semiconductor layer and the second semiconductor layer, the third semiconductor layer separating the first and second semiconductor layers from each other.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: December 22, 2015
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Kwan Hyun Lee, June Sik Kwak, Young Do Jong, Kang Nyung Lee
  • Publication number: 20150325689
    Abstract: Disclosed are a group III-V based transistor and a method for manufacturing same. The group III-V based transistor includes a laminated semiconductor structure having an upper surface and a lower surface and including a group III-V based semiconductor layer, and at least one 2DEG region extending from the upper surface of the laminated semiconductor structure to the lower surface thereof. A vertical-type GaN-based transistor using 2DEG can be provided by adopting the 2DEG region.
    Type: Application
    Filed: June 18, 2013
    Publication date: November 12, 2015
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu TAKEYA, Kang Nyung LEE, Kwan Hyun LEE, II Kyung SUH, Young Do JONG, June Sik KWAK, Yu Dae HAN