The frosting of the refrigerator brings a lot of troubles to people, but sometimes the frost in the refrigerator is likely to be improperly operated, so the public can do a self-examination of the refrigerator at home. First of all, in recent years, refrigerators, heat sinks are mostly inside the re

Eweek.com: Analysis says that Apple and Google's CEO will not let Microsoft take advantage of it. Apple and Google's CEO adjustments may not benefit Microsoft, a rival that is trying to break into the smartphone and search engine markets. Apple CEO Steve Jobs announced that he h

The noise of the refrigerator is plagued by many people. In fact, the sound of the refrigerator will make some noises. It is not necessarily the noise. The editor today explains the reasons for the common "noise" of the refrigerator. First, there is a sound of “咝咝”,

1. The inverse square law of illuminance Definition: The illuminance perpendicular to the direction of propagation of the light is proportional to the intensity of the light source in that direction and inversely proportional to the square of the distance from the source to

Light refers to electromagnetic radiation having a wavelength between 0. 39 and 0.77 μm which can cause people to experience the angle of view. Light is divided into natural light and artificial light according to the source. Natural light includes sunlight, moonlight, and sta

Since the world's first GaN-based blue LED was introduced in 1993, the development of LED manufacturing technology has been remarkable. Currently, commercially available GaN-based LEDs are all fabricated on sapphire substrates or SiC substrates. However, due to high hardness, poo

Haier Group plans to invest RMB 500 million to build the photoelectric information industry base of Haier (Yang) Industrial Park. Recently, Haier signed a contract with Shenbei New District of Yangzhou City, Liaoning Province. Haier (Yang) Industrial Park Optoelectronic Information Industry Base m

Recently, Zhaochi shares (002429) announced that it plans to invest 200 million yuan to set up a wholly-owned subsidiary Shenzhen Zhaochi Photoelectric Co., Ltd. Zhaochi Optoelectronics' business scope covers the development, production and sales of LED TV backlights, medium and high power LED

Antai Technology (000969) recently announced that it plans to invest 856 million Taiwan dollars to build 4 projects, of which will invest about 352 million yuan to build "LED semiconductor supporting refractory materials products industrialization project." The four major projects that A

Helianshuo recently held the annual new product launch conference. The company's senior executives announced that in 2011, Helianshuo will launch a full range of products from LCD to LED, from 19 to 55. It is expected to apply for IPO by the end of 2011. Helianshuo created its own "HERAN&

In recent years, with the development of solar photovoltaic technology and LED lighting technology, solar LED street lamps have entered the field of urban lighting. LED as an illumination source has DC low voltage drive, low power consumption, anti-vibration, long life, nanosecond re

At present, LED lighting technology is becoming more and more mature, and the efficacy of high-power LED light source has reached more than 80lm/W, which makes energy-saving renovation of urban street lighting possible. LED street lights, especially high-power LED street lights, are