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发光二极管(HB- led)在每封装流明输出和光效(efficacy,单位为流明/瓦或lm/W)方面的性能快速提升。商用的1WLED已提供有冷色温LED(色温 5000K)的每封装流明输出超过100流明,光效达100lm/W,而相同功率等级的暖色温白光LED(色温3000至3500K)也超过了70到80 流明。
与两年前相比,这些性能等级提高了30-40%。有了这样的性能,LED如...[Details]
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Recently, the Guangzhou Municipal Bureau of Industry and Information Technology issued the "Three-Year Action Plan for Accelerating the Construction of Electric Vehicle Charging Infrastructure in G...[Details]
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1. The internal temperature sensor of STM32 is connected to channel 16 of ADC and used with ADC to measure temperature. Measurement range –40~125℃, accuracy ± 1.5℃ Operation process: 1), set...[Details]
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On August 5, Qinghai Electric Power Research Institute successfully completed the wet flash characteristics test of the current transformer of Jiangsu Siyuan Hertz Instrument Transformer Co., Ltd. ...[Details]
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Ever since Apple adopted Mini LED technology in its products, many companies in the industrial chain at home and abroad have been making plans in related fields. Recently, Leyard said on the investor...[Details]
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In the field of automotive electronics, bottom filler is widely used in IC packaging, etc. to achieve miniaturization and high aggregation.
Underfill has a variety of applications in aut...[Details]
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According to Jiwei.com, on July 27, according to the Beijing Regulatory Bureau, CITIC Securities Co., Ltd. issued a basic information table on the guidance of YUYAN Semiconductor Silicon Materials Co...[Details]
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Independent LED lights can realize running lights, digital tubes can display multiple digits, and dot matrix LEDs have to display some patterns. When we want to display patterns, we often have to ma...[Details]
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As lithium batteries become more and more widely commercialized, the charging and discharging process of lithium batteries on the surface of the positive electrode material is that when the battery i...[Details]
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In April 2019, SAIC Roewe released a very special car: Marvel X Pro. As a fully upgraded version of Marvel X released a year ago, its most special feature is the substantial upgrade of the "AI Pilo...[Details]
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How to solve the DC bias problem of zero-IF receiver? The simplest solution is to use AC coupling, such as adding a high-pass filter. However, the spectrum of random binary data will show a peak at D...[Details]
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This paper introduces a design method of a distributed computer control system for wood drying with a single-chip microcomputer as the slave controller. The overall block diagram of the system, the ha...[Details]
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With the rapid development of network technology, implementing the relay protection technology information management system through the Web has become an efficient and convenient way to achieve it...[Details]
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In recent years, Hebei Province has continued to increase the construction of new power systems - energy storage power stations, to better promote the development of clean energy in southern regions s...[Details]
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In order to achieve synchronization between threads, a mutex lock is usually added before executing the critical code segment, and unlocked after the critical code segment is executed. In order to ...[Details]
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