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公开(公告)号：US20190237514A1
公开(公告)日：2019-08-01
申请号：US16319841
申请日：2017-07-21
Applicant: Sharp Kabushiki Kaisha
Inventor： Yuto TSUKAMOTO , Seiichi MITSUI , Shinichi KAWATO , Satoshi INOUE , Yuhki KOBAYASHI , Takashi OCHI
CPC classification number: H01L27/322 , C23C14/04 , G09F9/00 , G09F9/30 , G09F9/302 , H01L27/1259 , H01L27/32 , H01L27/3211 , H01L51/50 , H01L51/5012 , H01L51/5262 , H01L51/56 , H05B33/10 , H05B33/12 , H05B33/26 , H05B33/28
Abstract: In this manufacturing method, in a blue fluorescent light-emitting layer formation step, a blue fluorescent light-emitting layer is formed in both a subpixel and a subpixel; in a green fluorescent light-emitting layer formation step, a green fluorescent light-emitting layer is formed in both the subpixel and a subpixel; and in a red light-emitting layer formation step, a red light-emitting layer is formed in both the subpixel and a subpixel. In at least two of the abovementioned steps, linear vapor deposition is performed using a slitted mask having an opening that is provided so as to extend across a plurality of pixels.
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公开(公告)号：US20190115398A1
公开(公告)日：2019-04-18
申请号：US16090302
申请日：2017-04-07
Applicant: Sharp Kabushiki Kaisha
Inventor： Yuto TSUKAMOTO , Seiichi MITSUI , Shinichi KAWATO , Satoshi INOUE , Yuhki KOBAYASHI , Takashi OCHI
CPC classification number: H01L27/3211 , H01L27/156 , H01L27/3213 , H01L27/322 , H01L27/3246 , H01L27/3276 , H01L51/5012 , H01L51/5044 , H01L51/5056 , H01L51/5265 , H01L2251/558
Abstract: A blue fluorescent light-emitting layer is provided in common for a subpixel and a subpixel, a green fluorescent light-emitting layer is provided in common for the subpixel and a subpixel, and a red light-emitting layer is provided in common for the subpixel and a subpixel. An opposing surface distance is less than or equal to a Förster radius, and in the subpixel, the green fluorescent light-emitting layer and the red light-emitting layer are layered with a separation layer interposed therebetween.
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公开(公告)号：US20190081268A1
公开(公告)日：2019-03-14
申请号：US16082995
申请日：2017-03-16
Applicant: Sharp Kabushiki Kaisha
Inventor： Asae ITO , Manabu NIBOSHI , Yuto TSUKAMOTO , Shinichi KAWATO
CPC classification number: H01L51/5016 , H01L27/322 , H01L27/3246 , H01L51/001 , H01L51/5032 , H01L51/5044 , H01L51/5088 , H01L51/5206 , H01L51/5221 , H01L2251/5376
Abstract: Provided is an EL element utilizing upconversion light emission involving highly efficient triplet-triplet annihilation. A blue-light-emitting layer includes an ionic liquid, a red phosphorescent material, and a blue fluorescent material. The blue fluorescent material and the red phosphorescent material are homogeneously dispersed in a liquid film of the ionic liquid.
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公开(公告)号：US20190067379A1
公开(公告)日：2019-02-28
申请号：US15758735
申请日：2016-08-10
Applicant: Sharp Kabushiki Kaisha
Inventor： Hideki UCHIDA , Katsuhiro KIKUCHI , Yoshiyuki ISOMURA , Masanori OHARA , Satoshi INOUE , Eiji KOIKE , Yuto TSUKAMOTO , Asae ITO
CPC classification number: H01L27/322 , G02B5/20 , H01L27/3211 , H01L51/5206 , H01L51/5221 , H01L51/5271 , H01L51/5284 , H01L51/56 , H01L2251/5361 , H01L2251/5369 , H01L2251/558
Abstract: An organic electroluminescence device includes a base material including a recessed portion on a surface side, a reflective layer disposed at least on a surface of the recessed portion, a filling layer having optical transparency, the filling layer being disposed in the recessed portion through the reflective layer, a first electrode having optical transparency, the first electrode being disposed at least on an upper-layer side of the filling layer, an organic layer including at least a light emitting layer, the organic layer being disposed on an upper-layer side of the first electrode, and a second electrode having optical transparency and light reflectivity, the second electrode being disposed on an upper-layer side of the organic layer. The filling layer includes at least one type of phosphor.
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公开(公告)号：US20180097195A1
公开(公告)日：2018-04-05
申请号：US15566253
申请日：2016-04-15
Applicant: Sharp Kabushiki Kaisha
Inventor： Satoshi INOUE , Katsuhiro KIKUCHI , Hideki UCHIDA , Eiji KOIKE , Masanori OHARA , Yuto TSUKAMOTO , Yoshiyuki ISOMURA
CPC classification number: H01L51/5012 , H01L27/3248 , H01L27/3258 , H01L51/52 , H01L51/5218 , H01L51/5271 , H05B33/06 , H05B33/22 , H05B33/28
Abstract: An organic electroluminescence device according to one aspect of the present invention includes: a substrate; a thin film transistor provided above the substrate; a flattening layer provided above the thin film transistor and including a contact hole which is open on a side opposite to the substrate; a reflecting layer provided along at least a surface of the contact hole; a light-transmitting filling layer configured to fill an inside of the contact hole with the reflecting layer therebetween; and an organic EL element formed above the flattening layer and a contact hole top.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20170047380A1
公开(公告)日：2017-02-16
申请号：US15305362
申请日：2015-04-20
Applicant: Sharp Kabushiki Kaisha
Inventor： Yuto TSUKAMOTO , Katsuhiro KIKUCHI , Hideki UCHIDA , Manabu NIBOSHI , Satoshi INOUE , Yoshiyuki ISOMURA
CPC classification number: H01L27/3211 , C09K11/06 , H01L51/504 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5218 , H01L2251/558 , Y02B20/181
Abstract: An organic electroluminescent element includes, in the following order: an anode; a hole transport layer; a first mixed light-emitting layer; a luminescent dopant layer; a second mixed light-emitting layer; an electron transport layer; and a cathode, the first mixed light-emitting layer containing a first luminescent host material and a first luminescent dopant material, the second mixed light-emitting layer containing a second luminescent host material and a second luminescent dopant material, the luminescent dopant layer consisting essentially only of a third luminescent dopant material and being thinner than the first mixed light-emitting layer and the second mixed light-emitting layer.
Abstract translation: 有机电致发光元件按以下顺序包括：阳极; 空穴传输层; 第一混合发光层; 发光掺杂剂层; 第二混合发光层; 电子传输层; 和阴极，所述第一混合发光层含有第一发光主体材料和第一发光掺杂剂材料，所述第二混合发光层含有第二发光主体材料和第二发光掺杂剂材料，所述发光掺杂剂层基本上 仅第三发光掺杂剂材料并且比第一混合发光层和第二混合发光层薄。
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公开(公告)号：US20200381585A1
公开(公告)日：2020-12-03
申请号：US16468789
申请日：2017-09-05
Applicant: Sharp Kabushiki Kaisha
Inventor： Yuto TSUKAMOTO , Shinichi KAWATO , Tokiyoshi UMEDA , Manabu NIBOSHI , Youhei NAKANISHI , Hisayuki UTSUMI , Masayuki KANEHIRO , Shota OKAMOTO
Abstract: To provide a light-emitting device for achieving fluorescence emission with higher efficiency and longer life, a light-emitting device includes an exciton generation layer in which quantum dots are dispersed, a light-emitting layer in which light emitters, which are phosphors or phosphorescent members, are dispersed, the light-emitting layer adjoining the exciton generation layer in a vertical direction, a first electrode located on a lower side of the exciton generation layer and the light-emitting layer, and a second electrode located on an upper side of the exciton generation layer and the light-emitting layer, and the light emission spectrum of the quantum dots and the absorption spectrum of the light emitters at least partially overlap.
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公开(公告)号：US20190081112A1
公开(公告)日：2019-03-14
申请号：US16095391
申请日：2017-04-26
Applicant: Sharp Kabushiki Kaisha
Inventor： Yuto TSUKAMOTO , Seiichi MITSUI , Shinichi KAWATO , Satoshi INOUE , Yuhki KOBAYASHI , Takashi OCHI
Abstract: A blue fluorescent light-emitting layer is provided in common for first and second subpixels, a green fluorescent light-emitting layer is provided in common for second and third subpixels, and a red light-emitting layer is provided in common for the second and fourth subpixels. In the second subpixel, an opposing surface distance is less than or equal to a Förster radius, and at least of the blue fluorescent light-emitting layer and the green fluorescent light-emitting layer are layered with the red light-emitting layer with a separation layer interposed therebetween.
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公开(公告)号：US20180375050A1
公开(公告)日：2018-12-27
申请号：US15776798
申请日：2017-02-09
Applicant: Sharp Kabushiki Kaisha
Inventor： Asae ITO , Yuto TSUKAMOTO , Manabu NIBOSHI , Eiji KOIKE , Shinichi KAWATO , Katsuhiro KIKUCHI
CPC classification number: H01L51/5028 , H01L51/5016 , H01L51/5036 , H01L51/5056 , H01L51/5072 , H01L51/5206 , H01L51/5221 , H01L2251/5315 , H01L2251/533 , H01L2251/5376 , H01L2251/558
Abstract: An organic EL element is provided that has a high light emission efficiency and that emits a plurality of light beams having respective wavelength ranges different from one another, the light beams including short wavelength light having a high chromaticity. An organic EL element (1) includes an exciton generating layer (7) and a guest layer (8) that are adjacent to each other.
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公开(公告)号：US20180287099A1
公开(公告)日：2018-10-04
申请号：US15758792
申请日：2016-08-10
Applicant: Sharp Kabushiki Kaisha
Inventor： Hideki UCHIDA , Katsuhiro KIKUCHI , Yoshiyuki ISOMURA , Masanori OHARA , Satoshi INOUE , Eiji KOIKE , Yuto TSUKAMOTO , Asae ITO
IPC: H01L51/52 , H01L27/32 , H01L29/786 , H01L51/56 , H01L51/00
Abstract: An organic electroluminescence device according to one aspect of the disclosure includes a base material including a recessed portion on an upper face, and a light emitting element including a reflective layer, a filling layer having optical transparency, a first electrode having optical transparency, an organic layer including at least a light emitting layer, and a second electrode having optical transparency. The reflective layer is disposed at least on a surface of the recessed portion. The filling layer is disposed at an inside of the recessed portion with the reflective layer interposed between the recessed portion and the filling layer. The first electrode is disposed at least on an upper-layer side of the filling layer. The organic layer is disposed on an upper layer of the first electrode. The second electrode is disposed on an upper-layer side of the organic layer. The organic electroluminescence device includes a display region that is divided into a plurality of unit regions. The plurality of unit regions each having the light emitting element has a light emitting area and a transmissive area that are partitioned.
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