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Vehicle lamp using emitting device for suppressing color tone difference according to illumination conditions

机译：使用根据照明条件抑制色调差异的发射装置的车灯

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摘要

A light-emitting device (2) including a light-emitting element (2a), a first phosphor (2b), and a second phosphor (2c). The light-emitting element (2a) emits light L1 having a wavelength range within the visible region. Upon receipt of the light L1, or light L3 originating from the second phosphor (2c), the first phosphor (2b) emits light L2 having a wavelength range, which differs from that of the first light L1 and the third light L3, but falls within the visible region. Upon receipt of a specific wavelength component (ultraviolet light, or the like) included in external light, the second phosphor (2c) generates the light L3 whose wavelength range is substantially the same as that of the light L1, thereby radiating the first phosphor (2b) with the light L3.

机译：一种发光器件（ 2 ），包括发光元件（ 2 a ），第一荧光粉（ 2 b ）和第二个荧光粉（ 2 c ）。发光元件（ 2 a ）发射具有在可见光区域内的波长范围的光L 1 。接收到来自第二荧光粉（ 2 c ）的光L 1 或光L 3 时，第一磷光体（ 2 b ）发出的光L 2 具有与第一光L 1不同的波长范围和第三光L 3 ，但仍在可见区域内。在接收到外部光中包括的特定波长成分（紫外线等）时，第二荧光体（ 2 c ）产生光L 3 < / B>的波长范围与光L 1 的波长范围基本相同，从而向第一荧光粉（ 2 b ）辐射。灯L B 3。 展开▼

著录项

公开/公告号US7501749B2

专利类型

公开/公告日2009-03-10

原文格式PDF

申请/专利权人 HITOSHI TAKEDA;OSAMU KUBOYAMA;
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申请/专利号US20050262893

发明设计人 OSAMU KUBOYAMA;HITOSHI TAKEDA;
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申请日2005-11-01

分类号H01L33/00;

国家 US

入库时间 2022-08-21 19:29:01

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