Life of LED-based white light sources 来自 IEEEXplore 喜欢 0 阅读量: 183 作者: Narendran,N.,Y. 摘要: Even though light-emitting diodes (LEDs) may have a very long life, poorly designed LED lighting systems can experience a short life. Because heat at the p-n-junction is one of the ...
LED lamp bead LED is full name of semiconductor emitting diode, which is made of semiconductor material to directly convert electrical energy into optical energy, and the electric number is converted into a light signal luminous device; its characteristics are merits The advantages of low, high bri...
a与传统照明光源相比,白光LED 有许多优点,如:体积小、能耗少、响应快、寿命长、无污染等,因此被喻为第四代照明光源。 Compares with the traditional illumination photosource, white light LED has many merits, for example: The volume small, the energy consumption few, responds, the life quickly long, ...
aIf the saying is true that wisdom comes with age, you may safely assume that I am one of the wisest people in this hall and possibly at this university today. 如果说法是真实的智慧来以年龄,您可以安全地假设,我是其中一最明智的人民在这个大厅里和可能在这所大学今天。[translate] ...
Dreaming of a White Christmas? Whether you’re travelling with family or partner, everyone dreams of experiencing a snowy Christmas at least once in their lives. We’ve rounded up five destinations to travel to this winter to make your dream come true! 1. Hokkaido, Japan Source Envel... ...
Exact plot and character details are being kept under wraps, but sources have previously describe the show as a thriller and say Brown would star as the head of security for a former president.According to an individual with knowledge of the project, Marsden will play the president. Shahi ...
High power light-emitting diodes (HP LED) are light sources that have been developing at great speed, with a goal to protect our environment through energy saving. Thanks to their potential in energy conservation, this energy-efficient, long-lasting and low-maintenance light source is expected to...
White Paper Evaluating the Lifetime Behavior of LED Systems The path to a sustainable luminaire business model One of the strongest propositions of power Light Emitting Diodes (LEDs) is their long lumen maintenance—their ability to continue producing light output for many years of use, in ...
2: light source with ultra-high brightness white led life of 80,000 hours or more. 翻译结果2复制译文编辑译文朗读译文返回顶部 翻译结果3复制译文编辑译文朗读译文返回顶部 2: light source using super high-luminance white-light LED, life of more than 80,000 hours. 翻译结果4复制译文编辑译文朗读译文...
The proportions of the dietary ingredients and nutritional values were adjusted based on the hens ages. Hens in all the houses were fed the same diets at the same ages. For each pair, lighting arrangement, thermal environment (temperature and relative humidity, RH) (Figure 1), light intensity...