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    • 1. 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。
    • 3. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20110157864A1
    • 2011-06-30
    • US12876774
    • 2010-09-07
    • Yasushi HATTORIMasaki TohyamaShinji SaitoShinya NunoueMaki SugaiRei Hashimoto
    • Yasushi HATTORIMasaki TohyamaShinji SaitoShinya NunoueMaki SugaiRei Hashimoto
    • F21V9/16
    • F21K9/68G02F1/133615G02F2001/133614
    • According to embodiments, a light emitting device is provided. The light emitting device includes a semiconductor laser diode that emits a laser beam; first and second sidewalls that are disposed along a central beam axis of the laser beam with opposite each other; a phosphor layer that is provided between the first and second sidewalls, the phosphor layer including an incidence surface of the laser beam, the incidence surface being provided while inclined with respect to the central beam axis, the phosphor layer absorbing the laser beam to emit visible light on the incidence surface side; a slit that is provided on the incidence surface side of the phosphor layer to take out the visible light, the slit including a longitudinal direction and a crosswise direction, the longitudinal direction being disposed along a direction of the central beam axis; and a reflector that is provided on the slit side of the semiconductor laser diode so as not to intersect the central beam axis, the reflector reflecting part of the laser beam toward the phosphor layer.
    • 根据实施例,提供了一种发光器件。 发光器件包括发射激光束的半导体激光二极管; 第一和第二侧壁沿着激光束的中心束轴设置,彼此相对; 设置在第一和第二侧壁之间的磷光体层,所述荧光体层包括激光束的入射表面,所述入射表面相对于所述中心束轴倾斜设置,所述荧光体层吸收所述激光束以发射可见光 光在入射面一侧; 狭缝,其设置在所述荧光体层的入射面侧以取出所述可见光,所述狭缝包括纵向和横向,所述纵向方向沿着所述中心射束轴线的方向设置; 以及设置在半导体激光二极管的狭缝侧以不与中心束轴相交的反射器,反射器将激光束的一部分反射向荧光体层。
    • 8. 发明申请
    • LIGHT-EMITTING DEVICE
    • 发光装置
    • US20110101851A1
    • 2011-05-05
    • US12985955
    • 2011-01-06
    • Iwao MITSUISHIShinya NUNOUEYasushi HATTORI
    • Iwao MITSUISHIShinya NUNOUEYasushi HATTORI
    • H01J1/62
    • H01L33/504H01L2224/45144H01L2224/48247H01L2924/00
    • A light-emitting device is provided, which includes a package having a first portion and a second portion surrounding it, a semiconductor light-emitting element mounted on the first portion and emitting a light having an emission peak in a near-ultraviolet region, a transparent resin layer covering the semiconductor light-emitting element and contacted with the package, and a laminated body formed on the transparent resin layer with end faces of the laminated body being contacted with the second portion. The transparent resin layer has an arch-like outer profile perpendicular cross section. The laminated body has an arch-like outer profile in perpendicular cross section and comprises a red fluorescent layer, a yellow fluorescent layer, a green fluorescent layer and a blue fluorescent layer laminated in the mentioned order. The yellow fluorescent layer has a top portion which is made larger in thickness than that of the end face portions thereof.
    • 提供了一种发光器件,其包括具有第一部分和围绕其的第二部分的封装,安装在第一部分上并发射在近紫外区域具有发射峰的光的半导体发光元件, 覆盖半导体发光元件并与封装物接触的透明树脂层和形成在透明树脂层上的层叠体,层叠体的端面与第二部分接触。 透明树脂层具有拱形外形垂直横截面。 层叠体具有垂直截面的拱形外部轮廓,并且包括以上述顺序层压的红色荧光层,黄色荧光层,绿色荧光层和蓝色荧光体层。 黄色荧光层具有比其端面部分的厚度大的顶部。
    • 9. 发明申请
    • LIGHT-EMITTING DEVICE
    • 发光装置
    • US20090058256A1
    • 2009-03-05
    • US12143382
    • 2008-06-20
    • Iwao MITSUISHIShinya NUNOUEYasushi HATTORI
    • Iwao MITSUISHIShinya NUNOUEYasushi HATTORI
    • H01J1/62
    • H01L33/504H01L2224/45144H01L2224/48247H01L2924/00
    • A light-emitting device is provided, which includes a package having a first portion and a second portion surrounding it, a semiconductor light-emitting element mounted on the first portion and emitting a light having an emission peak in a near-ultraviolet region, a transparent resin layer covering the semiconductor light-emitting element and contacted with the package, and a laminated body formed on the transparent resin layer with end faces of the laminated body being contacted with the second portion. The transparent resin layer has an arch-like outer profile perpendicular cross section. The laminated body has an arch-like outer profile in perpendicular cross section and comprises a red fluorescent layer, a yellow fluorescent layer, a green fluorescent layer and a blue fluorescent layer laminated in the mentioned order. The yellow fluorescent layer has a top portion which is made larger in thickness than that of the end face portions thereof.
    • 提供了一种发光器件,其包括具有第一部分和围绕其的第二部分的封装,安装在第一部分上并发射在近紫外区域具有发射峰的光的半导体发光元件, 覆盖半导体发光元件并与封装物接触的透明树脂层和形成在透明树脂层上的层叠体,层叠体的端面与第二部分接触。 透明树脂层具有拱形外形垂直横截面。 层叠体具有垂直截面的拱形外部轮廓,并且包括以上述顺序层压的红色荧光层,黄色荧光层,绿色荧光层和蓝色荧光体层。 黄色荧光层具有比其端面部分的厚度大的顶部。