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    • 2. 发明专利
    • Light emitting device
    • 发光装置
    • JP2006179684A
    • 2006-07-06
    • JP2004371474
    • 2004-12-22
    • Matsushita Electric Works Ltd松下電工株式会社
    • SHIBATA KEIJIHAYASHI TAKAOYAMAZAKI KEIICHIDOI NAOKO
    • H01L33/50H01L33/60H01L33/62
    • PROBLEM TO BE SOLVED: To provide a light emitting device in which light emitted from a light emitting element can be wavelength-converted to obtain the light emission of a desirable color and a sufficient light fetching efficiency is provided.
      SOLUTION: The light emitting device is provided with a light emitting element 1, and a wavelength conversion layer 2 which contains a wavelength conversion substance of wavelength-converting light emitted from this light emitting element 1. The wavelength conversion layer 2 has a wavelength conversion division 3 containing the wavelength conversion substance and a transparent division 4 which has the smaller content of the wavelength conversion substance than in the wavelength conversion division 3. For this reason, the light after having transmitted the wavelength conversion layer 2 contains the wavelength converted one with the wavelength conversion substance in the wavelength conversion division 3, and light having a different hue from a light color emitted from the light emitting element 1 is emitted from the light emitting device A. Further, in the transparent division 4, it is harder for light to scatter due to the wavelength conversion substance than when transmitting the wavelength conversion division 3, and an amount of light which transmits the wavelength conversion layer 2 can be enhanced.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种发光器件,其中可以对从发光元件发射的光进行波长转换以获得所需颜色的发光并提供足够的光提取效率的发光器件。 解决方案:发光器件设置有发光元件1和包含从该发光元件1发射的波长转换光的波长转换物质的波长转换层2.波长转换层2具有 包含波长转换物质的波长转换分区3和波长转换物质的含量比波长转换分区3中的含量更小的透明分区4.因此,透射波长转换层2的光包含波长转换 一个与波长转换分区3中的波长转换物质,并且从发光元件1发射具有与从发光元件1发射的光的色调不同的色调的光。此外,在透明分区4中,更难 由于波长转换物质的光散射,与传播波浪相比 长度转换分割部3,能够提高发送波长转换层2的光量。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Method for manufacturing optical waveguide
    • 制造光波导的方法
    • JP2005099514A
    • 2005-04-14
    • JP2003334171
    • 2003-09-25
    • Matsushita Electric Works Ltd松下電工株式会社
    • DOI NAOKOHAYASHI TAKAOKONDO NAOYUKIFUJII SHUNPEI
    • G02B6/13
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical waveguide in which the optical waveguide having small light loss can be manufactured through simple processes. SOLUTION: The method for manufacturing the optical waveguide includes the stages of: forming an intermediate clad layer 2 of resin on the top surface side of a lower clad material 1 made of a glass substrate; forming a nearly rectangularly-sectioned hole part 2a extending in the propagation direction of light in the intermediate clad layer 2; charging thermo/ultraviolet-ray setting resin 7 which contains at least either of a photopolymerization initiator and a thermal polymerization initiator and has a larger refractive index than the lower clad material 1 and intermediate clad layer 2 in the hole part 2a to coat the top surface side of the intermediate clad layer 2 with the thermal/ultraviolet-ray setting resin 7; and forming a core part 4 and an adhesive layer 5 in one body by setting the thermal/ultraviolet-ray setting resin 7 while the resin is joined with an upper clad material 3 made of a glass substrate which is nearly equal in refractive index to the lower clad material 1. COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:提供一种制造光波导的方法,其中可以通过简单的工艺制造光损耗小的光波导。 解决方案:制造光波导的方法包括以下步骤:在由玻璃基板制成的下包层材料1的顶表面侧上形成树脂的中间包层2; 形成在中间包覆层2的光的传播方向上延伸的近似矩形截面的孔部2a; 含有光聚合引发剂和热聚合引发剂中的至少任一种的热/紫外线固化树脂7具有比下部包层材料1和中间包层2在孔部2a中更大的折射率,以涂覆上表面 中间包层2与热/紫外线固化树脂7的一侧; 并且通过设置热/紫外线固化树脂7,同时通过将由玻璃基板制成的上覆层材料3与折射率几乎相等的上覆层材料3接合而在一体中形成核心部分4和粘合剂层5 下包层材料1.版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Light emitting apparatus
    • 发光装置
    • JP2005311136A
    • 2005-11-04
    • JP2004127249
    • 2004-04-22
    • Matsushita Electric Works Ltd松下電工株式会社
    • SHIBATA KEIJIHAYASHI TAKAODOI NAOKO
    • H01L33/50H01L33/56H01L33/60H01L33/62H01L33/00
    • H01L2224/16225
    • PROBLEM TO BE SOLVED: To provide a light emitting apparatus capable of improving the luminance thereof by preventing the repetition of wavelength conversion between different phosphors in a wavelength converting unit.
      SOLUTION: This light emitting apparatus 1 comprises a light emitting device 2 and the wavelength converting unit 20 for converting the wavelength of the light from this light emitting device 2 by two or more kinds of phosphors. The wavelength converting unit 20 consists of a plurality of phosphor layers laminated in the travelling direction of the light from the light emitting device 2. When the spectrum of the light emitted by one phosphor from among the phosphors contained in the wavelength converting unit 20 overlaps with the excitation spectrum of the other phosphor, these phosphors are made to be contained in different phosphor layers respectively, and the phosphor layer containing the phosphor having the longer wavelength of the emitted light is made to be provided nearer to the light emitting device 2.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种通过防止波长转换单元中的不同荧光体之间的波长转换重复而能够提高其亮度的发光装置。 解决方案:该发光装置1包括用于通过两种或更多种荧光体转换来自该发光器件2的光的波长的发光器件2和波长转换单元20。 波长转换单元20由沿着来自发光器件2的光的行进方向层叠的多个荧光体层组成。当由波长转换单元20中包含的荧光体中的一个荧光体发射的光的光谱与 另外的荧光体的激发光谱分别使得这些荧光体被包含在不同的荧光体层中,并且使含有发射光的波长较长的荧光体的荧光体层设置得更靠近发光器件2。 P>版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Light-emitting device
    • 发光装置
    • JP2005228996A
    • 2005-08-25
    • JP2004037444
    • 2004-02-13
    • Matsushita Electric Works Ltd松下電工株式会社
    • SHIBATA KEIJIDOI NAOKOHAYASHI TAKAO
    • H01L33/50H01L33/62H01L33/00
    • H01L2224/16225
    • PROBLEM TO BE SOLVED: To provide a light-emitting device capable of obtaining a desired high-intensity combined light.
      SOLUTION: The light-emitting device comprises a light-emitting element 2 comprising a blue LED chip, and a wavelength converting part 3, having a first and a second fluorescent materials which absorb the light from the light-emitting element 2 and emit a visible light, having the emission peak wavelength different from that of the element 2. The first fluorescent material comprises a nanocrystal InP, with its grain diameter being not more than twice of the exciton Bohr radius, absorbing the light from the element 2, and highly efficiently emitting a red light. The second fluorescent material comprises a green fluorescent material, which is a bulk fluorescent material with its emission peak wavelength shorter than that of the first fluorescent material and with its grain diameter larger than twice the exciton Bohr radius, and absorbs the light from the element 2, and emits green light highly efficiently. A ZnS: Cu, Al, BaMgAl
      10 O
      17 :Eu, Mn or the like are used for the green fluorescent material.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够获得期望的高强度组合光的发光装置。 解决方案:发光装置包括:包含蓝色LED芯片的发光元件2和具有吸收来自发光元件2的光的第一和第二荧光材料的波长转换部分3;以及 发射具有不同于元件2的发射峰值波长的可见光。第一荧光材料包括纳米晶InP,其晶粒直径不超过激子玻尔半径的两倍,吸收元件2的光, 并高效地发射红光。 第二荧光材料包括绿色荧光材料,其是其发光峰值波长比第一荧光材料短的体积荧光材料,并且其晶粒直径大于激子玻尔半径的两倍,并且吸收元件2的光 ,并高效地发出绿光。 对于绿色荧光体,使用ZnS:Cu,Al,BaMgAl 10 :Eu,Mn等。 版权所有(C)2005,JPO&NCIPI