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Archive for ‘May, 2012’

60 results.
May31

Led supplier the Shanghai and Shenzhen stock shocks finishing outstanding early performance

by admin on May 31st, 2012 at 2:23 AM
Posted In: Led lighting

Led supplier the Shanghai and Shenzhen stock shocks finishing outstanding early performance of the railway infrastructure, non-ferrous metals, coal plate is momentarily blocked, optoelectronics, Hongli Opto-electronic, the sun lighting the ground light-emitting diode (LED) stock is doing well. In this regard, the reporter interviewed a number of private equity said, after experiencing winter, China LED […] ↓ Read the rest of this entry…

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May31

Led light China the International LED driver chip strength of the top ten well-known led manufacturers

by admin on May 31st, 2012 at 2:21 AM
Posted In: Led lighting

Led light China the International LED driver chip strength of the top ten well-known led manufacturers in Taiwan – Macroblock held a tea reception in Shenzhen JW Marriott Hotel, and invited German-color photoelectric and many other partners and downstreamdisplay the application vendor to the scene, in the company’s latest driver chips and platinum certification program […] ↓ Read the rest of this entry…

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May31

LED flood light 50w

by taoyuan on May 31st, 2012 at 1:44 AM
Posted In: Led lighting

       LED lighting properties of the materials affected by environment, such as elevated temperature, the LED current will increase, the increase in voltage, the LED current will increase. Long-term than the rated current, the LED  flood light 50w   lamp beads service life will be greatly reduced. LED constant current environmental factors such as temperature and […] ↓ Read the rest of this entry…

May30

LED 30w

by taoyuan on May 30th, 2012 at 2:35 AM
Posted In: Led lighting

 Leakage. Current LED is one-way conductive light, if the reverse current is called leakage, the leakage current of the LED  flood light 50w  , short life, low prices. LED. Point of view uses different LED light angle. Special light-emitting point of view, higher prices. If all diffusion angle, the higher prices.  life. Different key to […] ↓ Read the rest of this entry…

May30

Led supplier The Epistar officially in Taiwan from the sapphire substrate into the silicon substrate LED epitaxy

by admin on May 30th, 2012 at 2:18 AM
Posted In: Led lighting

Led supplier The Epistar officially in Taiwan from the sapphire substrate into the silicon substrate LED epitaxy,China led lighting in addition to reinvestment American Puri (of Bridgelux) and the Epistar Qiao Qiao expand its own technology development, Taiwan’s development of the silicon substrate LED epitaxial its own technology,after TSMC solid-state lighting, Liansheng crystal power to […] ↓ Read the rest of this entry…

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May30

Led light China borne by the Shandong wave Huaguang Electronics Co., Ltd. Shandong Province in led manufacturers

by admin on May 30th, 2012 at 2:17 AM
Posted In: Led lighting

Led light China borne by the Shandong wave Huaguang Electronics Co., Ltd. Shandong Province in led manufacturers of independent innovation achievements – “laser peel produced power blue LED technology” projects have successfully passed the acceptance of the Shandong Province Science and Technology Agencysuccessful completion of the indicators specified in the contract. The identification of acceptance […] ↓ Read the rest of this entry…

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May29

LED manufacturers and current limiting resistor in series

by admin on May 29th, 2012 at 2:09 AM
Posted In: Led lighting

Because of the high luminous efficiency, high reliability, long life, light-emitting diode (LED) lighting, signals, imaging and other areas more widely, is widely regarded as an alternative to traditional incandescent, fluorescent and other light new light. LED drive a variety of ways, the easiest way to LED manufacturers and current limiting resistor in series, then […] ↓ Read the rest of this entry…

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May29

China LED lighting PWM dimming, body resistance dimming

by admin on May 29th, 2012 at 2:06 AM
Posted In: Led lighting

As LED lighting, it needs to be able to drive high-power products from light bulbs and other small low-power lighting products to the street lights and other large lighting power. Moreover, this power should be used with the original lighting fixtures SCR dimming, “China LED lighting PWM dimming, body resistance dimming” linear dimming “a variety […] ↓ Read the rest of this entry…

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May28

LED 30w

by taoyuan on May 28th, 2012 at 7:35 AM
Posted In: Led lighting

The LED flood light 50w to maintain a certain brightness of the lighting, the need for constant current control LED driver IC. Typically, from the AC power supply for constant current control, so the step-down switching regulator Large changes in input voltage and output voltage changes in the traditional way, to redesign the power supply […] ↓ Read the rest of this entry…

May26

LED flood light

by taoyuan on May 26th, 2012 at 3:06 AM
Posted In: Led lighting

(1) improve the internal quantum efficiency of LED power supply 100w   and external quantum efficiency Take the following measures to improve the internal quantum efficiency and external quantum efficiency. (1) substrate surface roughening and non-polar substrate Nanoscale pattern substrate, orientation type “substrate nonpolar and semipolar substrates growth of GaN, to reduce the dislocation and defect […] ↓ Read the rest of this entry…