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    • 51. 发明授权
    • Light-emitting apparatus
    • US08297785B2
    • 2012-10-30
    • US13327255
    • 2011-12-15
    • Hideo Nagai
    • Hideo Nagai
    • F21V1/00F21V11/00
    • The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.
    • 52. 发明授权
    • Light-emitting device
    • 发光装置
    • US08288790B2
    • 2012-10-16
    • US13158854
    • 2011-06-13
    • Hideo Nagai
    • Hideo Nagai
    • H01L33/00
    • H01L33/50F21Y2105/10F21Y2105/12F21Y2115/10H01L25/0753H01L27/15H01L33/22H01L33/38H01L33/382H01L33/42H01L33/54H01L33/56H01L33/62H01L2224/16225H01L2224/45144H01L2224/48091H01L2224/48465H01L2224/73265H01L2924/00014H01L2924/00
    • A light-emitting device includes a base and a light-emitting element that is disposed on the base. The light-emitting element is made up of a plurality of semiconductor layers including a light-emitting layer, and at the same time, is covered with a wavelength converting portion that includes a wavelength converting material. The light-emitting layer emits primary light, and the wavelength converting material absorbs part of the primary light and emits secondary light. The luminance of the primary light emitted from the edge portion of the light extraction surface of the light-emitting device is higher than the luminance of the primary light emitted from the inner region located inside the edge portion, and the ratio of the primary light and the secondary light that are emitted from a light extraction surface of the wavelength converting portion is substantially uniform across the light extraction surface of the wavelength converting portion. Thereby, a light color difference across the light extraction surface of the wavelength converting portion that covers the light-emitting element can be reduced further, and it is possible to irradiate an irradiation surface with light of uniform color.
    • 发光装置包括基底和设置在基底上的发光元件。 发光元件由包括发光层的多个半导体层构成,同时由包括波长转换材料的波长转换部分覆盖。 发光层发射一次光,并且波长转换材料吸收一次光并发射二次光。 从发光装置的光提取面的边缘部发射的一次光的亮度高于从位于边缘部内侧的内部区域发射的一次光的亮度, 从波长转换部分的光提取表面发射的次级光在波长转换部分的光提取表面上基本上均匀。 由此,可以进一步降低覆盖发光元件的波长转换部的光提取面两侧的光色差,能够以均匀的颜色的光照射照射面。
    • 53. 发明申请
    • LAMP
    • US20120206933A1
    • 2012-08-16
    • US13393176
    • 2011-09-06
    • Toshiaki IsogaiYasuhisa UedaKazushige SugitaHideo NagaiTakaari UemotoMasahiro Miki
    • Toshiaki IsogaiYasuhisa UedaKazushige SugitaHideo NagaiTakaari UemotoMasahiro Miki
    • H01L33/08
    • F21K9/61F21K9/232F21K9/238F21V3/00F21V3/02F21V23/002F21V23/006F21Y2115/10
    • A lamp 1 includes a semiconductor light-emitting element 12 as a light source, a circuit unit 40 that causes the semiconductor light-emitting element 12 to emit light, and an envelope 2 having an outer tube 30 and a base 60. The semiconductor light-emitting element 12 and the circuit unit 40 are housed in the envelope 2. The semiconductor light-emitting element 12 is disposed in a region at a side of an axially central section of the outer tube 30 facing the base 60 and oriented so that a main emission direction points away from the base 60. At least one component of the circuit unit 40 is disposed in a region at a side of the axially central section of the outer tube opposite the semiconductor light-emitting element 12. A light guide 50 that guides emission light of the semiconductor light-emitting element 12 along the axial direction is disposed between the at least one component of the circuit unit 40 and the semiconductor light-emitting element 12. The light guide 50 has a light-diffusing portion corresponding in position to the axially central section of the outer tube 30.
    • 灯1包括作为光源的半导体发光元件12,使半导体发光元件12发光的电路单元40和具有外管30和基座60的外壳2.半导体光 发光元件12和电路单元40容纳在外壳2中。半导体发光元件12设置在面向基底60的外管30的轴向中心部分的一侧的区域中, 主发射方向点远离基座60.电路单元40的至少一个部件设置在与半导体发光元件12相对的外管的轴向中心部分的一侧的区域中。光导50 半导体发光元件12沿轴向的引导发光被配置在电路单元40的至少一个部件和半导体发光元件12之间。导光体50具有光二 定影部分对应于位于外管30的轴向中心部分的位置。
    • 57. 发明申请
    • SEMICONDUCTOR LIGHT-EMITTING APPARATUS
    • 半导体发光装置
    • US20110090696A1
    • 2011-04-21
    • US12867216
    • 2009-03-16
    • Hideo NagaiYasuharu Ueno
    • Hideo NagaiYasuharu Ueno
    • F21V9/00
    • H01L33/505H01L33/508H01L2224/48091H01L2933/0083H01L2933/0091H01L2924/00014
    • A blue LED 18 that is a semiconductor light-emitting device and that emits blue light as primary light having a peak wavelength in a visible region and a phosphor plate 30 that is a wavelength converter and that converts a portion of the blue light emitted from the blue LED 18 into yellow light as secondary light having a longer peak wavelength in the visible region than the peak wavelength and emits the yellow light in combination with a remainder of the blue light left unconverted. The phosphor plate 30 includes (a) a main body 39 extending across a light-emission path of the blue LED 18 and (b) a light-emitting part 42 composed of a plurality of columnar protrusions 44 on a part of the main body 39 in a direction in which the light exits.
    • 作为半导体发光装置的蓝色LED18,其发出蓝色光,作为在可见光区域具有峰值波长的初级光和作为波长转换器的荧光体板30,并将从该光源发出的蓝色光的一部分 蓝色LED18变成黄色光,作为在可见光区域中比峰值波长具有更长的峰值波长的二次光,并且与剩余的未转换的蓝色光一起发射黄色光。 荧光体板30包括:(a)延伸穿过蓝色LED18的发光路径的主体39,以及(b)由主体39的一部分上的多个柱状突起44构成的发光部42 在光出射的方向上。