NEC network vehicle intelligent communication system

1. NEC's concept of ecological mobile society This article refers to the address: http:// As cars evolve into mobile information terminals, close connections to other industries that were previously unimaginable will be possible, and users will enjoy new convenience and added value. The ups

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Research on Thermal Characteristics Test of Power LED

1 Introduction As a key component of semiconductor illumination, power LEDs affect the luminous flux, light extraction efficiency, wavelength red shift, forward voltage drop and other luminosity, chromaticity and electrical parameters, which affect the life and reliability of the

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Eight major safety hazards of decoration appliances

It is said that the water in the decoration market is too deep. Many renovated friends have reported that until the decoration was over half, he found that the building materials were expensive, the decoration team was wrong, and the construction progress was too slow. In order to build a

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High-definition LED display control model design analysis

1. The status quo of the control system In the 21st century, LED large-screen electronic display screens are developed to higher brightness, higher weather resistance, higher uniformity of illumination, higher reliability, full color, and multimedia. The operation, operation and mai

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New solution for automotive power system: 42V power system

The voltage of the car's power supply has changed from 6V in the 1950s to 12V, and it has a history of more than 50 years. Since 1990, the electricity consumption of automobiles has increased by 5% to 8% every year. The history and trend of the average power load are shown in Figure 1. As aut

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TOP Engineering: The fuse of MOCVD melee

[High-tech LED news / reporter Liu Qiaomei] Recently, the industry broke the news to Gaogong LED. The Korean manufacturer TOP Engineering Group is quietly laying out in China. So far, 12 MOCVD equipment orders have been obtained, but which extension factory adopts TOP Engineering's MOCVD equipm

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How to reduce the lumen cost of LED units

LED lighting prospects The US Department of Energy (DOE) has made such an assessment of LEDs: no other lighting technology can have the same energy-saving potential as LEDs and improve the quality of our built environment. For LED packaging , the growth rate in 2010 exceeded 50%, e

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Dry Photoelectric: the confusion of expansion

[High-tech LED news / reporter Hu Yanling] On July 22, Ganzhao Optoelectronics released the 2011 semi-annual report. The report shows that Ganzhao Optoelectronics achieved revenue of RMB 182 million in the first half of this year, a year-on-year increase of 40.27% and a net profit of 87.87 million.

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