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LED lights facing the main technical problems :the output power and luminous flux ,the second optical design ,thermal design and power system design .Improvement of output power and luminous flux the high power white LED needs of epitaxy ,chip technology and other infrastructure to further enhance the level .In the second optical design LED radiation […] ↓ Read the rest of this entry…
LED driver IC needs to have the characteristics of Used to drive white LED driver led the LED driver IC of the total market, 50%, white LED used to for many battery-powered handheld small portable display backlighting. However, such lighting applications has matured over the next five years will not have a high compound annual […] ↓ Read the rest of this entry…
Maintain market narrowly mixed yesterday, in intraday trading brokerage, oil and other heavyweights of 2400, driven by the impact point, but the amount can immediately dive down under the bad. At the close, the index rose 0.12% to close at 2383.03 points, only the turnover of 46.4 billion. Daily limit of two cities a total […] ↓ Read the rest of this entry…
LED industry in Shenzhen recently described as dark clouds, there are senior people in the industry expect from now until the first half of next year, there will be more than 50% of the LED company failures. LED industry is entering the winter? LED industry as “meat and potatoes” It is understood that the general […] ↓ Read the rest of this entry…
LED is light emitting diode (LED ) acronym is a semiconductor technology made by the electric light.LED 20w is the core of the P-type semiconductor and N-type semiconductor chip of high power led formed in the P-type semiconductor and N-type semiconductor between a transition layer called P2N knot .When is the wizard in the […] ↓ Read the rest of this entry…
A few days ago, from the concerned department was informed, by the NDRC and the Ministry of Finance jointly drafted by the LED lighting product subsidy scheme may be the fastest announced before the end of. The sources, LED lighting products financial subsidies, subsidies to be modeled on the energy-saving lamp forms, bidding selected manufacturers […] ↓ Read the rest of this entry…
28, company announced the remaining excess funds raised $67393500 for the use of the program: in order to make better use of photoelectron base scale effect, reduce management costs, improve work efficiency, the LED manufacturer all integrated into photoelectron base. New construction area of about 45323 square meters of factory buildings, office buildings, living facilities, […] ↓ Read the rest of this entry…
Foreign LED chip enterprises to enter China money, chip prices came down trend, domestic chip companies to survive in the cracks, in the face of the future market will decide on what path to follow? Current, our country LED epitaxial chip business, rapid growth in the number, capacity expansion. Accompanied by foreign LED manufacturers into […] ↓ Read the rest of this entry…
Strengthen people’s awareness of energy saving LED lighting technology matures and the decision will be growing LED lighting market, LED tube light, however, compelling and strong directional light beam and the thorny problems of the LED manufacturer. PC mask using drawing, using frosted mask and the use of special methods for solving the phosphor material, […] ↓ Read the rest of this entry…
LED 20w is the basic structure of a semiconductor PN junction .Experimental results show that when the current flows through the LED device ,the PN junction temperature to rise ,strictly speaking ,the PN junction temperature zone is defined as the LED junction temperature.Usually because the device chip has a small size,so we can take the […] ↓ Read the rest of this entry…
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