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Flexible Wearable yello&white light LED

  • Author:Eunice
  • Source:net
  • Release on :2015-12-16
          Shenzhen Risen OPTO Co.,Ltd,led garden spike light supplier,led buried underground light supplier,ip65 RGB led flood light supplier.National Chiao Tung University in Taiwan the use of existing technology to create a highly flexible yellow color white LED. The LED can be made uniform sheet, and have curved and flexibility, may soon appear TVs and wearable displays them. The device consists of 81 mounted on a copper foil of the blue LED chip mounted on a copper foil, which itself covers a flexible and rugged polyimide substrate, the outermost layer of researchers to increase transparency and flexibility The polydimethylsiloxane yellow phosphor film having an inert non-flammable and non-toxic.

          This design allows the blue LED light eventually became warm white yellow light. The researchers found that the film thickness of the covering to determine how much of the scattering and reflection of light, researchers can clearly distinguish the individual LED light source point, after appropriate adjustments, researchers can get a uniform or near uniform light sheet.
          This final product reached 85% of the light output uniformity and 120 lumens per watt efficiency, higher performance than standard LED lamps, such as the price of $ 4.97 Philips 8.5 watt 800 lumens LED bulb. After 1000 hours running time, the device light output is only five percent loss.
          Taiwan Jiaotong University, the research papers have been published in the "Optics Letters" magazine.
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