JP6986551B2 - 光学装置用ケースおよび光学装置 - Google Patents
光学装置用ケースおよび光学装置 Download PDFInfo
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- H—ELECTRICITY
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- 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
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Description
図1に本発明の実施形態1による光学装置用ケース100Aの模式的な断面図を示す。ケース100Aは、光学素子(受光素子および/または発光素子)OEを収容する空間12を有する筺体10と透光性の窓部材20Aとを有している。窓部材20Aは、透光性部材22と、透光性部材22の外側表面に設けられた高分子フィルム50と、透光性部材22の内側表面に設けられた抵抗発熱体24とを有している。高分子フィルム50は、例えば、ここで例示するように接着層23を介して、透光性部材22の外側表面に固定されている。もちろん、これに限らず、高分子フィルム50は公知の他の方法で、透光性部材22の外側表面に固定され得る。例えば、高分子フィルム50を熱圧着によって透光性部材22に直接接着してもよい。透光性部材22は、例えば、透明基板(例えばガラス基板またはプラスチック基板)であってよく、また、レンズ(ガラスまたはプラスチックで形成された)であってもよい。
図2に本発明の実施形態2による光学装置用ケース100Bの模式的な断面図を示す。光学装置用ケース100Bは、図1の光学装置用ケース100Aの抵抗発熱体24の内側に設けられた親水性層60Bをさらに有する。親水性層60Bの表面の水に対する接触角は20°以下であり、10°以下であることが好ましい。
図3に本発明の実施形態3による光学装置用ケース100Cの模式的な断面図を示す。光学装置用ケース100Cは、図1の光学装置用ケース100Aの抵抗発熱体24の内側に設けられた親水性層60Cをさらに有する。親水性層60Cはポーラスアルミナ層60Cであり、表面の水に対する接触角は10°以下である。
図4に本発明の実施形態4による光学装置用ケース100Dの模式的な断面図を示す。光学装置用ケース100Dの窓部材20Dは、図3の光学装置用ケース100Cの抵抗発熱体24の内側に設けられたポーラスアルミナ層60Cに代えて、ポーラスアルミナ層60Dを有する。ポーラスアルミナ層60Dの表面の水に対する接触角は10°以下である。
次に、図5を参照して、高分子フィルム50の構造および製造方法を説明する。高分子フィルム50は、表面にモスアイ構造を有し、表面の水に対する接触角は140°以上である。
超撥水性を有する高分子フィルムとして、図5(b)に示した構造を有する試料フィルムを作製した。具体的には、国際公開第2016/174893号に記載の実施例1と同様にして高分子フィルム50Cを作製した。試料フィルムの作製に用いた材料および硬化条件、ならびに試料フィルムが有するモスアイ構造を以下に示す。
(ベースフィルム)
・PET(東レ株式会社製、製品名:ルミラー(登録商標)U34、厚さ75μm)
(下側樹脂層)
・ウレタンアクリレート(新中村化学工業社製、製品名:UA−7100):31重量%
・多官能アクリレート(新中村化学工業社製、製品名:ATM−35E):40重量%
・多官能アクリレート(新中村化学工業社製、製品名:A−TMM−3LM−N):27.5重量%
・光重合開始剤(BASF社製、製品名:IRGACURE819):1.5重量%
(上側樹脂層)
・フッ素含有モノマー(ダイキン工業社製、フッ素系添加剤、製品名:オプツールDAC−HP):10重量%
・反応性希釈剤(アミド基含有モノマー(KJケミカルズ社製、製品名:ACMO)):90重量%
(硬化条件)
所定のモスアイ用型に上側樹脂層を押し付けた状態で、ベースフィルム側から、Fusion UV systems社製のUVランプ(製品名:LIGHT HANMAR6J6P3)を用いて、紫外線(照射量:200mJ/cm2)を照射し、下側樹脂層および上側樹脂層を硬化させた。
(試料フィルムのモスアイ構造)
凸部の形状:円錐状(釣鐘状)
凸部の隣接間距離(Dint):200nm
凸部の高さ(Dh):200〜250nm
12 :空間
20 :抵抗発熱体
20A、20B、20C、20D :窓部材
22 :透光性部材
23、27 :接着層
24 :抵抗発熱体(透明導電層)
34A、35B、35C :光硬化樹脂層
34Ap、35Bp、35Cp :凸部
35a :下側樹脂層
35b :上側樹脂層
39 :酸化物層(二酸化ケイ素層)
42A、42B、42C :ベースフィルム
50、50A、50B、50C :高分子フィルム
60B、60C、60D :親水性層
100A、100B、100C、100D :光学装置用ケース
OE :光学素子(LED素子)
Claims (7)
- 透光性の窓部材と、
受光素子および/または発光素子を収容する空間を有する筺体と、
を有し、
前記窓部材は、透光性部材と、前記透光性部材の外側表面に設けられた高分子フィルムであって、表面にモスアイ構造を有し、前記表面の水に対する接触角は140°以上である高分子フィルムと、前記透光性部材の内側表面に設けられた抵抗発熱体とを備え、
前記抵抗発熱体の前記透光性部材と反対側に設けられた親水性層をさらに有し、前記親水性層の表面の水に対する接触角は20°以下であり、
前記親水性層は、ポーラスアルミナ層を含み、
前記ポーラスアルミナ層は、表面に反転されたモスアイ構造を有する、光学装置用ケース。 - 前記抵抗発熱体は、前記透光性部材の内側表面に形成された透明導電層を含み、前記ポーラスアルミナ層は、前記透明導電層上に形成されている、請求項1に記載の光学装置用ケース。
- 前記透明導電層は、インジウムドープスズ酸化物層と、前記インジウムドープスズ酸化物層と前記ポーラスアルミナ層との間に形成されたアンチモンドープスズ酸化物層および/またはフッ素ドープスズ酸化物層とを含む、請求項2に記載の光学装置用ケース。
- 前記ポーラスアルミナ層は、Tiを含む、請求項1から3のいずれかに記載の光学装置用ケース。
- 請求項1から4のいずれかに記載の光学装置用ケースと、前記光学装置用ケース内に配置されたLED素子とを有する、信号機用ランプ。
- 請求項1から4のいずれかに記載の光学装置用ケースと、前記光学装置用ケース内に配置された撮像素子とを有する、カメラ。
- 請求項1から4のいずれかに記載の光学装置用ケースと、前記光学装置用ケース内に配置された光センサとを有する、光学検出装置。
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JP2017066068 | 2017-03-29 | ||
JP2017066068 | 2017-03-29 | ||
PCT/JP2018/009505 WO2018180421A1 (ja) | 2017-03-29 | 2018-03-12 | 光学装置用ケースおよび光学装置 |
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JP6986551B2 true JP6986551B2 (ja) | 2021-12-22 |
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US (1) | US11335831B2 (ja) |
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