JP5759455B2 - 円錐曲線を使用する多目的固体照明装置のための熱光学的解決 - Google Patents
円錐曲線を使用する多目的固体照明装置のための熱光学的解決 Download PDFInfo
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Description
本出願人は、2010年6月17日に出願された米国特許出願公開第12/817,807号明細書、2009年6月24日に出願された米国仮出願番号61/220,019および2009年11月30日に出願された61/265,149に対する優先権を主張する。上記各明細書の全開示は、参照することにより本明細書に組み込まれるものとする。
Claims (39)
- 照明アセンブリであって、
ベースと、
(1)双曲面状の部分、及び、(2)カバーと上記双曲面状の部分との間に配置された部分的な回転楕円体状の反射部であって当該照明アセンブリの対称軸と平行ではなく、かつ上記対称軸と交差する長軸を有する反射部、を有している、上記ベースに結合されているハウジングと、
上記ハウジングに結合されている上記カバーと、
を備え、
上記カバーは、第1の楕円体状の部分または球状の部分を有しており、当該カバーの内部にはカバーの中心点が位置しており、
基板上に複数の光源が取り付けられている回路基板であって、上記ハウジングの内部に配置されている回路基板、
を更に備えており、
上記部分的な回転オフセット楕円体状の反射部は、上記中心点と一致する焦点と、上記回路基板での第1のリングに配置された複数の第2の焦点とを有し、
上記複数の光源は、上記第1のリングに配置されている、
ことを特徴とする照明アセンブリ。 - 上記双曲面状の部分と上記カバーとは、上記対称軸を有している、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記ベースと上記ハウジングと上記カバーとは、上記対称軸を有している、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記カバーの内部に配置された上記部分的な回転オフセット楕円体状の反射部は、上記複数の光源からの低角度光を反射する、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記部分的な回転オフセット楕円体状の反射部は、回路基板に結合されており、ヒートシンクとして機能する、
ことを特徴とする請求項4に記載の照明アセンブリ。 - 上記光源は、固体光源である、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記回路基板は、上記ハウジングに直接接続されており、
上記ハウジングは、ヒートシンクとして機能し、
上記回路基板において発生した熱が、当該ハウジングへ向けて外方向へ放射状に伝導し、当該ハウジングを通じて上記ベースに伝導する、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記光源からの光の波長をシフトさせる光波長シフトエレメントを更に備えている、
ことを特徴とする請求項1に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記カバー付近での第1の光波長シフト率、および、上記カバーでの上記第1の光波長シフト率よりも大きい、上記カバーの中心点付近での第2の光波長シフト率を有する光波長シフト勾配を有している物質を含んでいる、
ことを特徴とする請求項8に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、支持棒を伴って上記回路基板に結合されている、
ことを特徴とする請求項8に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記光源から離れており、球体状である、
ことを特徴とする請求項8に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記回路基板に結合されている半球体を有している、
ことを特徴とする請求項8に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記カバーの内側に、上記カバーの対称軸に対して垂直な方向に延伸しているフィルムを有している、
ことを特徴とする請求項8に記載の照明アセンブリ。 - 照明アセンブリであって、
中心点を有する第1の楕円体状の部分または球体状の部分を有している第1の部分、上記第1の部分に隣接している第2の楕円体状の部分であって当該照明アセンブリの対称軸と平行ではなく、かつ上記対称軸と交差する長軸を有する部分的な楕円体状の反射部を含む第2の楕円体状の部分、および、上記第2の楕円体状の部分に隣接している双曲面体状の部分を有している筐体と、
基板上に複数の光源が取り付けられている回路基板であって、上記双曲面体状の部分に隣接している上記筐体の内部に配置されている回路基板と、を備え、
上記楕円体状の反射部は、上記中心点と一致する第1の焦点、及び、上記回路基板での第1のリングに配置された複数の第2の焦点を有し、
上記光源は、上記第1のリングと一致する第2のリングに配置されている、
ことを特徴とする照明アセンブリ。 - 上記筐体は、
上記第1の楕円体状の部分と、
ベースと、
上記第2の楕円体状の部分を含むカバーと、
を含んでいるハウジングを備えている、
ことを特徴とする請求項14に記載の照明アセンブリ。 - 上記ベースと上記ハウジングと上記カバーとは、対称軸に対応する共通軸を有している、
ことを特徴とする請求項15に記載の照明アセンブリ。 - 上記第2のリングは、上記共通軸上に配置されているリングの中心点を有している、
ことを特徴とする請求項16に記載の照明アセンブリ。 - 上記光源は、固体光源を含んでいる、
ことを特徴とする請求項14に記載の照明アセンブリ。 - 上記固体光源は、発光ダイオードを含んでいる、
ことを特徴とする請求項18に記載の照明アセンブリ。 - 上記固体光源は、固体レーザを含んでいる、
ことを特徴とする請求項18に記載の照明アセンブリ。 - 対称軸を有している照明アセンブリであって、
少なくともベースおよび上記ベースに結合されているカバーを備えている筐体と、
上記筐体の内部の回路基板上にて、上記対称軸上に配置されている中心点を有している第1のリングに配置されている複数の光源と、
上記カバーの内部の第1の焦点、および、上記第1のリングに一致している連続的な第2のリングに配置されている複数の第2の焦点を有している、部分的に連続的な回転楕円体状反射器と、を備え、
上記反射器は、楕円の長軸を、上記第1の焦点と交わりつつ上記第2のリングの周りに回転することにより形成され、上記複数の光源からの低角度光を反射し、
上記反射器により反射された光は、上記カバーを通じて射出される、
ことを特徴とする照明アセンブリ。 - 上記第1の焦点は、上記中心点と一致している、
ことを特徴とする請求項21に記載の照明アセンブリ。 - 上記回路基板は、上記照明アセンブリの対称軸に対して垂直な平面上に配置されている、
ことを特徴とする請求項21に記載の照明アセンブリ。 - 上記筐体は、上記ベースと上記カバーとの間に配置されているハウジングを備えており、
上記ハウジングは、上記反射器を備えている
ことを特徴とする請求項21に記載の照明アセンブリ。 - 上記反射器は、楕円の長軸を、上記第1の焦点と交わりつつ上記第2のリングの周りに回転することにより形成されるオフセット楕円体状反射部を有している、
ことを特徴とする請求項24に記載の照明アセンブリ。 - 上記ハウジングは、熱を熱拡散エレメントに伝導するオフセット楕円体状反射部を有している、ことを特徴とする請求項24に記載の照明アセンブリ。
- 上記反射器は、上記回路基板、及び、ヒートシンクとして機能するハウジングに結合されており、
上記ハウジングは、上記ベースと上記カバーとの間に配置されている、
ことを特徴とする請求項21に記載の照明アセンブリ。 - 上記筐体の中に光波長シフトエレメントを更に備えている、
ことを特徴とする請求項21に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記カバー付近での第1の光波長シフト率、および、上記第1の光波長シフト率よりも大きい、上記中心点付近での第2の光波長シフト率を有する光波長シフト勾配を有している物質を含んでいるフィルムを備えている、
ことを特徴とする請求項28に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記第1の焦点と上記複数の光源との間に配置されている、
ことを特徴とする請求項28に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、球体状である、
ことを特徴とする請求項28に記載の照明アセンブリ。 - 上記光波長シフトエレメントは、上記回路基板に結合されている半球体を有している、
ことを特徴とする請求項28に記載の照明アセンブリ。 - 上記複数の光源は、熱を発生させ、
上記回路基板は、ヒートシンクへ向けて外方向へ放射状に熱を伝導し、上記熱は上記ヒートシンクを通じて上記ベースへ伝導する、
ことを特徴とする請求項21に記載の照明アセンブリ。 - 照明アセンブリの内部に回路基板の第1のリングに配置されている発光ダイオード(LED)から光を生成することと、
上記LEDからの高角度光をカバーに透過させることと、
(1)共通の第1の焦点、および(2)上記第1のリングに一致する第2のリングであって第2の焦点が配置された第2のリング、を有する部分的に連続的な回転楕円体状を有する反射器にて、上記LEDからの低角度光を反射させることにより上記低角度光を上記反射器から上記第1の焦点に向き付けることと、
を含み、
上記反射器は、楕円の長軸を上記第1の焦点と交わりつつ上記第2のリングの周りに回転することにより形成されたものである、
ことを特徴とする照明方法。 - 上記反射器と上記第1の焦点との間に配置されている光シフトエレメントを用いて、低角度光の周波数をシフトすることを更に含んでいる、
ことを特徴とする請求項34に記載の照明方法。 - 上記照明アセンブリの内部に光波長シフトフィルムを配置することを更に含んでいる、
ことを特徴とする請求項34に記載の照明方法。 - 上記共通の第1の焦点に配置されている光シフトエレメントを用いて、低角度光の周波数をシフトすることを更に含んでいる、
ことを特徴とする請求項34に記載の照明方法。 - 上記回路基板から延伸している支持棒を用いて上記共通の第1の焦点にて光波長シフトエレメントを配置することを更に含んでいる、
ことを特徴とする請求項34に記載の照明方法。 - 上記回路基板から支持棒を用いて、上記共通の第1の焦点に球体状の光波長シフトエレメントを配置することを更に含んでいる、
ことを特徴とする請求項34に記載の照明方法。
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