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).
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Publication number: 20190312182Abstract: 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: ApplicationFiled: June 17, 2019Publication date: October 10, 2019Inventors: Wan Tae LIM, Sung Hyun SIM, Hanul YOO, YONG IL KIM, Hye Seok NOH, Ji Hye YEON
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Publication number: 20190312083Abstract: A light emitting diode display device is provided.Type: ApplicationFiled: November 30, 2018Publication date: October 10, 2019Inventors: Tan SAKONG, YONG IL KIM, Jong Uk SEO, Ji Hye YEON
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Patent number: 10438994Abstract: 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: GrantFiled: May 30, 2018Date of Patent: October 8, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Hye Yeon, Sung Hyun Sim, Ha Nul Yoo, Dong Gun Lee
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Publication number: 20190305202Abstract: 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: ApplicationFiled: March 18, 2019Publication date: October 3, 2019Inventors: Tan SAKONG, Yong Il KIM, Han Kyu SEONG, Ji Hye YEON, Chung Sun LEE, Ji Hwan HWANG
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Patent number: 10403608Abstract: 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: GrantFiled: December 6, 2017Date of Patent: September 3, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-hyun Sim, Yong-il Kim, Wan-tae Lim, Ji-hye Yeon, Ha-nul Yoo
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Publication number: 20190189853Abstract: 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: ApplicationFiled: June 19, 2018Publication date: June 20, 2019Inventors: Hanul YOO, Sung Hyun SIM, Ji Hye YEON, Yong Il KIM, Dong Gun LEE
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Publication number: 20190189876Abstract: 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: ApplicationFiled: June 1, 2018Publication date: June 20, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Dong Gun LEE, Yong II Kim, Han Kyu Seong, Ji Hye Yeon, Jin Sub Lee, Young Jin Choi
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Patent number: 10326061Abstract: 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: GrantFiled: April 13, 2017Date of Patent: June 18, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wan Tae Lim, Sung Hyun Sim, Hanul Yoo, Yong Il Kim, Hye Seok Noh, Ji Hye Yeon
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Publication number: 20190181181Abstract: 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: ApplicationFiled: May 30, 2018Publication date: June 13, 2019Inventors: Ji Hye YEON, Sung Hyun SIM, Ha Nul YOO, Dong Gun LEE
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Publication number: 20190067257Abstract: 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: ApplicationFiled: November 1, 2018Publication date: February 28, 2019Applicant: 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
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Patent number: 10153260Abstract: 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: GrantFiled: January 24, 2018Date of Patent: December 11, 2018Assignee: 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
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Patent number: 10103301Abstract: 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: GrantFiled: June 8, 2017Date of Patent: October 16, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Hanul Yoo, Yong Il Kim, Sung Hyun Sim, Wan Tae Lim, Hye Seok Noh, Ji Hye Yeon
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Publication number: 20180286915Abstract: 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: ApplicationFiled: October 20, 2017Publication date: October 4, 2018Inventors: Ji Hye YEON, Han Kyu SEONG, Wan Tae LIM, Sung Hyun SIM, Hanul YOO
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Publication number: 20180269360Abstract: 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: ApplicationFiled: May 21, 2018Publication date: September 20, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Ji Hye YEON, Han Kyu SEONG, Yong II KIM, Jung Sub KIM
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Publication number: 20180211993Abstract: 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 substraType: ApplicationFiled: March 23, 2018Publication date: July 26, 2018Inventors: Ji Hye YEON, Sung Hyun SIM, Wan Tae LIM, Yong Il KIM, Hanul YOO
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Patent number: 10008640Abstract: 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: GrantFiled: June 14, 2016Date of Patent: June 26, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Hye Yeon, Han Kyu Seong, Yong Il Kim, Jung Sub Kim
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Publication number: 20180175261Abstract: 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: ApplicationFiled: June 8, 2017Publication date: June 21, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: Hanul Yoo, Yong ll Kim, Sung Hyun Sim, Wan Tae Lim, Hye Seok Noh, Ji Hye Yeon
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Publication number: 20180166425Abstract: 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: ApplicationFiled: January 24, 2018Publication date: June 14, 2018Applicant: 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
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Publication number: 20180166424Abstract: 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: ApplicationFiled: December 6, 2017Publication date: June 14, 2018Inventors: Sung-hyun Sim, Yong-il Kim, Wan-tae Lim, Ji-hye Yeon, Ha-nul Yoo
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Publication number: 20180118160Abstract: 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: ApplicationFiled: October 27, 2017Publication date: May 3, 2018Inventors: DONALD ALLEN TURNER, JERROD WESLEY BRUECKNER, KURT E. FOSTER, KENTA KIMURA, JODI PAXTON, MARIA ROHRER, TODD TUCKER, JI HYE YEON