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    • 87. 发明专利
    • Light-emitting element lamp, and lighting fixture
    • 发光元件灯和照明灯具
    • JP2009117342A
    • 2009-05-28
    • JP2008198625
    • 2008-07-31
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • TANAKA TOSHIYAOSAWA SHIGERUHISAYASU TAKESHI
    • F21V29/00F21S2/00F21S8/04F21Y101/02
    • F21V29/507F21K9/23F21K9/232F21K9/233F21K9/238F21V7/00F21V19/0035F21V19/0055F21V23/002F21V23/006F21V29/004F21V29/20F21V29/503F21V29/505F21V31/005F21Y2105/18F21Y2115/10
    • PROBLEM TO BE SOLVED: To provide a light emitting element lamp and a lighting fixture, capable of effectively restraining temperature rise of a substrate on which a light-emitting element is mounted by utilizing a reflector. SOLUTION: The light-emitting element lamp 1 includes a thermally conductive reflector 2 having an irradiation opening and formed to be enlarged toward the irradiation opening and provided with a reflective surface 2a on the inner surface side with an outer peripheral surface exposed outward, a base 4 connected with the reflector 2 through a cover part 3, a thermally conductive heat dissipation member 8 provided on an inner peripheral surface of the reflector 2 and thermally coupled with the reflective surface 2a, a substrate 7 fixed to the heat dissipation member 8 while thermally coupling the substrate surface therewith under a surface contact state and on which a light-emitting element 6 is arranged, a lighting circuit 9 housed in the cover part 3 and lighting the light-emitting element 6, and a translucent cover 5 covering the light irradiation opening 2c of the reflector 2. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供能够通过利用反射器有效地抑制安装有发光元件的基板的温度上升的发光元件灯和照明器具。 解决方案:发光元件灯1包括具有照射开口的导热反射体2,并被形成为朝向照射开口扩大并且在内表面侧上设置有反射表面2a,外周表面向外露出 ,通过盖部3与反射体2连接的基座4,设置在反射体2的内周面并与反射面2a热耦合的导热性散热构件8,固定于散热构件的基板7 在将表面接触状态下的基板表面热耦合在其上并配置有发光元件6的情况下,将收纳在发光元件6上的照明电路9和照明发光元件6, 反射器2的光照射开口2c。版权所有(C)2009,JPO&INPIT