JP2020187379A - 波長変換部材及びその製造方法 - Google Patents
波長変換部材及びその製造方法 Download PDFInfo
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- H01L33/48—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 body packages
- H01L33/50—Wavelength conversion elements
- H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
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- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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Abstract
Description
PETフィルム/SiO2層/PETフィルムの3層構造フィルムで、水蒸気透過度が6×10−3(g/m2・day)のバリア層。バリア層の厚みは49μm。
PETフィルム/SiO2層/PETフィルムの3層構造で、水蒸気透過度が9(g/m2・day)のバリア層。バリア層の厚みは50μm。
シクロオレフィン系のフィルム。
バリア層がない量子ドット層のみで構成された波長変換部材。
図8に示す波長変換部材。なお、量子ドット層の上面で、バリア層の巻き始端と巻き終端とを重ねて熱圧着した。
図9に示す波長変換部材。なお、バリア層の巻き始端と巻き終端とを量子ドット層の両脇にて重ねて熱圧着した。
[サンプル12]
バリア層がない量子ドット層のみで構成された波長変換部材。
図8に示す波長変換部材。なお、量子ドット層の上面で、バリア層の巻き始端と巻き終端とを重ねて熱圧着した。
図9に示す波長変換部材。なお、バリア層の巻き始端と巻き終端とを量子ドット層の両脇にて重ねて熱圧着した。
Claims (12)
- 量子ドットを有する量子ドット層と、
前記量子ドット層の両側に形成されたバリア層と、を有し、
前記バリア層の水蒸気透過度は、9(g/m2・day)よりも低いことを特徴とする波長変換部材。 - 前記バリア層は、少なくとも有機層を有して形成されていることを特徴とする請求項1に記載の波長変換部材。
- 前記バリア層は、積層構造からなり、前記量子ドット層と対向する内側層に前記有機層が形成されていることを特徴とする請求項2に記載の波長変換部材。
- 前記バリア層には、前記内側層の外側に無機層が設けられていることを特徴とする請求項3に記載の波長変換部材。
- 前記有機層は、複数層設けられ、前記有機層と前記有機層との間に無機層が介在していることを特徴とする請求項2に記載の波長変換部材。
- 前記有機層は、前記量子ドット層と接して形成されていることを特徴とする請求項2ないし5のいずれかに記載の波長変換部材。
- 前記有機層は、PETフィルムで形成されることを特徴とする請求項1ないし6のいずれかに記載の波長変換部材。
- 前記無機層は、SiO2層で形成されることを特徴とする請求項1ないし7のいずれかに記載の波長変換部材。
- 前記量子ドット層には増粘剤が含まれていることを特徴とする請求項1ないし8のいずれかに記載の波長変換部材。
- 前記量子ドット層には光散乱剤が含まれていることを特徴とする請求項1ないし9のいずれかに記載の波長変換部材。
- 前記バリア層の表面にはマット処理が施されていることを特徴とする請求項1ないし10のいずれかに記載の波長変換部材。
- 量子ドットを有する量子ドット層の少なくとも両側に水蒸気透過度が9(g/m2・day)よりも低い材質からなるバリア層を形成することを特徴とする波長変換部材の製造方法。
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JP2014263785 | 2014-12-26 | ||
JP2014263785 | 2014-12-26 | ||
JP2018081529A JP6995268B2 (ja) | 2014-12-26 | 2018-04-20 | 波長変換部材及びその製造方法 |
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JP6989171B2 JP6989171B2 (ja) | 2022-01-05 |
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