The effect of LED light radiation on human skin

1 Introduction Applying LED light sources to lighting is a major advancement in the development of science and technology. Compared with the traditional light source, it is a solid-state semiconductor material, there is no mercury pollution, and it has environmental protection ch ...more...

LED driver chip five debugging technology

The debugging techniques for the LED driver chip are mainly the following aspects. 1, chip fever This is primarily for high voltage driver chips with built-in power modulators. If the current consumed by the chip is 2 mA, the voltage of 300 V is applied to the chip, and the power c ...more...

Intel Q3 net profit of 2.95 billion U.S. dollars

According to foreign media reports, Intel announced its financial report for the third quarter of fiscal year 2013 on Tuesday. The financial report shows that Intel’s net profit for the third fiscal quarter was US$2.95 billion, or 58 cents per share. Intel’s net profit for th ...more...

2013 Gaogong LED Lighting Exhibition advances into the Huizh…

[Text / Gaogong Shenzhen Station reporter Luo Shenghua] 2013 Gaogong LED Lighting Exhibition (3rd) will be held from November 25th to 27th at Guangzhou Poly World Trade Expo. In order to fully cooperate with the exhibition, after the promotion of the high-tech LED exhibition promotion team in Shen ...more...

Hisense Zhou Houjian: Internet TV Has Not Revolutionized

On September 26, Huang Weiping, chief scientist of Hisense Group, told reporters that under the impact of the concept of the Internet, both content providers, operators, and terminal manufacturers in the traditional TV industry chain may face subversion. Globally, Google and Apple are eye ...more...

A current-type charge pump design for white LED drivers

0 Preface The boost type circuits currently used for white light driving mainly include an inductive DC-DC circuit and a charge pump circuit. The inductive DC-DC circuit has problems such as EMI, and the charge pump circuit has a simple structure and a small EMI, and has been ...more...