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    • 8. 发明授权
    • Luminescent package device for coupling an optical fiber with a
luminescent element
    • 用于将光纤与发光元件耦合的发光封装装置
    • US4756592A
    • 1988-07-12
    • US753856
    • 1985-07-11
    • Atsushi SasayamaTugio NemotoNorihiro Yazaki
    • Atsushi SasayamaTugio NemotoNorihiro Yazaki
    • G02B6/42H01S5/00
    • G02B6/4202G02B6/4236G02B6/4248G02B6/4238G02B6/4239
    • A luminescent device having a luminescent element, an optical fiber for taking up the light emitted from the luminescent element, and a package accommodating the illuminant element and receiving an end portion of the optical fiber. The optical fiber is fixed at a portion near the tip thereof by a first fixing material such that its optical coupling end opposes the light emitting region of the luminescent element, while the remainder part of the portion of the optical fiber in the package is surrounded and held by a second fixing material. By virtue of the second fixing, it is possible to avoid breakage or other defects of the fiber attributable to the difference in the thermal expansion coefficient between the core portion of the optical fiber made of quartz and a jacket of the optical fiber covering the core line portion, thus attaining a higher reliability of the illuminant device. The second fixing material also prevents water from coming into the package along the optical fiber, thereby ensuring a greater moisture-proof property of the device.
    • 具有发光元件的发光器件,用于吸收从发光元件发出的光的光纤,以及容纳光源元件并容纳光纤的端部的封装。 光纤通过第一固定材料固定在其尖端部分处,使得其光耦合端与发光元件的发光区域相对,而封装中的光纤部分的其余部分被包围, 由第二固定材料固定。 由于第二次固定,可以避免由于石英制成的光纤的芯部与覆盖芯线的光纤的护套之间的热膨胀系数的差异引起的光纤的断裂或其他缺陷 从而获得更高的照明装置的可靠性。 第二固定材料还防止水沿着光纤进入包装,从而确保该装置的更好的防潮性能。