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    • 98. 发明授权
    • Light emitting device
    • 发光装置
    • US08130803B2
    • 2012-03-06
    • US12299186
    • 2008-09-04
    • Jongil HwangShinji SaitoShinya Nunoue
    • Jongil HwangShinji SaitoShinya Nunoue
    • H01S3/04G02B6/00H01L33/00
    • H01S5/0228F21K9/61F21Y2115/10H01S5/005H01S5/22H01S5/4056
    • A light emitting device includes: a semiconductor laser element having a first emission face for emitting laser light; a light guiding body buried in the concave portion of the supporting base, guiding the laser light emitted from the semiconductor laser element, and having an incident face to which the laser light enters, and a second emission face from which the laser light traveling through the light guiding body is emitted, the incident face of the light guiding body being such a curved face that an incident angle of the laser light is within a predetermined range including the Brewster angle in a plane formed by a traveling direction of the laser light and a short axis of a light emitting spot of the laser light; and a fluorescent substance scattered in the light guiding body, absorbing the laser light, and emitting the light having a different wavelength from a wavelength of the laser light.
    • 一种发光器件包括:具有用于发射激光的第一发射面的半导体激光元件; 导光体,其被埋置在所述支撑基部的凹部中,引导从所述半导体激光元件发射的激光,并且具有入射面入射到所述入射面;以及第二射出面, 导光体发射,导光体的入射面为激光的入射角在由激光的行进方向形成的平面内的布鲁斯特角度的预定范围内的曲面, 激光发光点的短轴; 以及散射在导光体中的荧光体,吸收激光,并且发射具有与激光波长不同的波长的光。
    • 100. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20110216554A1
    • 2011-09-08
    • US12876675
    • 2010-09-07
    • Yasushi HATTORIMasaki TohyamaShinji SaitoShinya NunoueRei HashimotoJongil HwangMaki SugaiTakanobu UenoJunichi KinoshitaMisaki Ueno
    • Yasushi HATTORIMasaki TohyamaShinji SaitoShinya NunoueRei HashimotoJongil HwangMaki SugaiTakanobu UenoJunichi KinoshitaMisaki Ueno
    • F21V7/22
    • F21V7/22
    • An embodiment of the invention provides a light emitting device in which a semiconductor laser diode is used as a light source to efficiently obtain visible light having high uniformity of a luminance distribution. The light emitting device has a semiconductor laser diode that emits a laser beam. And the device has a light guide component that includes an upper surface, a lower surface, two side faces opposite each other, and two end faces opposite each other, the laser beam being incident from a first end face of the light guide component, the light guide component having indentation in the lower surface, the laser beam being reflected by the lower surface and emitted in an upper surface direction. The light emitting device also has a luminous component that is provided on an upper surface side of the light guide component and absorbs the laser beam emitted from the light guide component and emits visible light. And the device has a substance that is in contact with the lower surface and two side faces of the light guide component, a refractive index of the substance being lower than that of the light guide component.
    • 本发明的实施例提供了一种发光器件,其中使用半导体激光二极管作为光源以有效地获得具有高亮度分布均匀性的可见光。 发光器件具有发射激光束的半导体激光二极管。 该装置具有导光部件,该导光部件包括上表面,下表面,彼此相对的两个侧面以及彼此相对的两个端面,激光束从光导部件的第一端面入射, 导光部件在下表面具有凹陷,激光束被下表面反射并在上表面方向上发射。 发光装置还具有设置在导光部件的上表面侧的发光部件,并且吸收从导光部件发射的激光束并发出可见光。 并且该装置具有与导光部件的下表面和两个侧面接触的物质,该物质的折射率低于导光部件的折射率。