目前市面上多数的白色发光二极管都是基于氮化镓的.
Most of the white LEDs now on the market are based on gallium nitride.
分析了大功率白色发光二极管的发光强度(即光强)、光通量和色坐标与测量位置的关系,提出了解决的方法。
The uncertainty evaluation and data processing methods for the CCPR key comparisons of luminous intensity and luminous flux unit are introduced.
不同于其他一些高科技的降能措施,譬如发光二极管的灯泡,白色屋顶有着漫长和不起眼的历史。
Unlike high-technology solutions to reducing energy use, like light-emitting diodes in lamp fixtures, white roofs have a long and humble history.
保持不同发光二极管产出的一致性也很困难所以他们发出的光会倾向于漂向黄白色。
It is also difficult to maintain consistent outputs from the different LEDs so light from the devices tends to drift into off-white hues.
研究人员展示了白色有机发光二极管跟荧光灯泡有一样的效率。
Researchers have demonstrated white, organic light-emitting diode (OLED) sources with the same efficiency as fluorescent light bulbs.
M5透明超亮发光二极管:红色,黄色,绿色,白色,蓝色。
M5 transparent bright LED: red, yellow, green, white and blue.
2014年,诺贝尔物理学奖被授予了蓝色氮化镓电致发光二极管的研发。由此可见,蓝光的释放对于多色和白色电致发光二极管的研制是至关重要的。
For the production of a multicolour or white LED, emission of blue light is crucial the 2014 physics Nobel prize was awarded for the development of blue gallium nitride LEDs.
搜索方式:首先接通,7发光二极管共同勤奋把一个战术级别强大白色束为700流明;
Search mode: with first switch-on, 7 LEDs work together putting out a tactical-level powerful white beam of 700 lumens;
搜索方式:首先接通,7发光二极管共同勤奋把一个战术级别强大白色束为700流明;
Search mode: with first switch-on, 7 LEDs work together putting out a tactical-level powerful white beam of 700 lumens;
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