文件大小:409K
An illumination system, comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an europium(III)- activated rare earth metal sesquioxide of general formula (YY-x-XEx)2-z(EU1-a-3Aa)z, wherein RE is selected from the group of gadolinium, scandium, and lutetium, A is selected from the group of bismuth, antimony, dysprosium, samarium, thulium, and erbium, 0 ≤ x
点赞 0
反对 0
举报 0
收藏 0
打赏 0
评论 0
- 一种微生物肥料
0下载154浏览89K
- 一种稀土永磁电机转子冲片装配设备
0下载342浏览884K
- 一种架空导线用高导电率稀土硬铝单丝材料
0下载338浏览404K
- 多芯光纤放大器及其与多模式光纤的耦合
0下载121浏览1040K
- An iron-chromium-aluminum alloy for heating wire
0下载503浏览54K
- 用于冷阴极荧光灯的电极元件
0下载337浏览967K
- 高耐蚀性镀覆钢材的多元合金镀覆材料及其制造方法
0下载150浏览337K