JP2020501360A - マイクロ画素ディスプレイからの偏光発光及びその製造方法 - Google Patents
マイクロ画素ディスプレイからの偏光発光及びその製造方法 Download PDFInfo
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Classifications
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
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- H01L33/16—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
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- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- H01L33/387—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape with a plurality of electrode regions in direct contact with the semiconductor body and being electrically interconnected by another electrode layer
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- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/08—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
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- H—ELECTRICITY
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- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/382—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
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- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- Semiconductor Lasers (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
本出願は、2016年12月1日付で出願した米国仮特許出願第62/429,033号の利益を主張する。
Claims (20)
- 多色偏光発光画素の二次元配列を含む多色電子発光型ディスプレイデバイスであって、各多色発光画素は:
無極性又は半極性III族窒化物材料系から製造する複数の発光構造体であって、各発光構造体は、異なる色を発光するためのもので、多色画素の配列内で隣接する多色画素から各多色画素を電気的及び光学的に分離する垂直側壁の格子を用いて、垂直方向に積層される、発光構造体;
前記発光構造体と光学的に結合して、前記発光構造体によって生成した偏光を、前記発光構造体の積層体の第1面から垂直方向に発光する複数の垂直導波路;
前記発光構造体の積層体の前記第1面に対向する第2面によって、デジタル半導体構造体上に積層する、発光構造体の積層体;及び
前記デジタル半導体構造体にある複数のデジタル半導体回路であって、各デジタル半導体回路を、前記垂直側壁内に埋設した垂直相互接続子によって、前記発光構造体に電気的に結合して、各前記発光構造体のオン/オフ状態を別々に制御する、デジタル半導体回路
を含む、多色電子発光型ディスプレイデバイス。 - 前記デジタル半導体構造体を、外部電源から各画素の色毎に、制御信号及びパルス幅変調(PWM:pulse width modulation)ビットを収容する画素配列ビットフィールドを受信して、各前記発光構造体のオン/オフ状態を別々に制御するように、電気的に結合する、請求項1に記載の多色電子発光型ディスプレイデバイス。
- 前記デジタル半導体構造体を、光変調映像ビットストリームを受信するように、電気的に結合し、前記デジタル半導体構造体は、多色マイクロ画素配列用PWMビットフィールドを生成するのに必要なロジック機能を更に含み、各前記多色発光構造体のオン/オフ状態を別々に制御する、請求項1に記載の多色電子発光型ディスプレイデバイス。
- 其々を重ねて積層する、複数の半導体層を含み;
各層は、異なる色の光を発光するように構成され、二次元配列の発光構造体を含む
多色電子発光型ディスプレイデバイスであって、
前記層の少なくとも1層を、極性面又は半極性面に沿ったエピタキシャル成長方向を有する、無極性又は半極性のIII族窒化物材料系から製造し、それにより偏光を、前記発光構造体から発光する、多色電子発光型ディスプレイデバイス。 - 前記多色電子発光型ディスプレイデバイスを、前記複数の発光構造体のオン−オフ状態を独立的に制御するように構成したシリコンベースの相補型金属酸化膜半導体(Si−CMOS)構造体に接合すると共に、電気的に結合する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記層の少なくとも1層を、(100)LiAlO2基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、r面Al2O3基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、m面Al2O3基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、六方晶系多形のSiC基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、スピネル((100)、(110)、MgAl2O4)面基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、ミスカットを含む(001)Si基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、7°のミスカットを含む(001)Si基板材料を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 前記少なくとも1層を、GaN基板材料のバルクm面、a面又は半極性面を使用して、無極性又は半極性配向で成長させる半導体材料から製造する、請求項4に記載の多色電子発光型ディスプレイデバイス。
- 其々を重ねて積層する、複数の半導体層を含み;
各層は、異なる色の光を発光するように構成され、二次元配列の発光画素構造体を含む
多色電子発光型ディスプレイデバイスであって、
前記層の少なくとも1層を、c面GaNの横方向エピタキシャル成長の1つ又は複数のファセット側壁を含む基板上に成長させた非c面配向III族窒化物材料系から製造し、それにより偏光を、発光した光において誘起した光学的偏光異方性から、前記発光画素構造体から発光する、多色電子発光型ディスプレイデバイス。 - 其々を重ねて積層する、複数の半導体層を含み;
各層は、異なる色の光を発光するように構成され、各層は、二次元配列の発光構造体を含む
多色電子発光型ディスプレイデバイスであって、
前記層の少なくとも1層を、c面配向GaN材料系のエピ層から製造し、該層では、異方性歪みをc面GaNで誘起し、それにより前記発光構造体から発光した光における光学的偏光が、前記c面配向GaN材料系のエピ層の少なくとも1層上での圧縮又は引張り歪みにより、発生する、多色電子発光型ディスプレイデバイス。 - 異方性歪みを、前記c面配向GaN材料系のエピ層の少なくとも1層に歪みを導入することによって、前記c面GaNで誘起する、請求項15に記載の多色電子発光型ディスプレイデバイス。
- 異方性歪みを、A面サファイア上で前記c面配向GaN材料系のエピ層を成長させることによって、前記c面GaNで誘起する、請求項16に記載の多色電子発光型ディスプレイデバイス。
- 異方性歪みを、AlリッチのAlN/AlxGa1-xN量子井戸又はAlxGa1-xN歪み補正層を使用することによって、前記c面GaNで誘起する、請求項16に記載の多色電子発光型ディスプレイデバイス。
- 異方性歪みを、c面GaN上で成長させたナノ構造体によって、前記c面GaNで誘起する、請求項16に記載の多色電子発光型ディスプレイデバイス。
- 前記ナノ構造体は、光子結晶、金属ナノ粒子、楕円形ナノロッド又はナノ格子の中の少なくとも1つを含む、請求項19に記載の多色電子発光型ディスプレイデバイス。
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US20190257999A1 (en) | 2019-08-22 |
US20190258000A1 (en) | 2019-08-22 |
US20220187529A1 (en) | 2022-06-16 |
JP7293112B2 (ja) | 2023-06-19 |
WO2018102311A1 (en) | 2018-06-07 |
KR20190086696A (ko) | 2019-07-23 |
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