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» home > led diodes > cob power led optical light source with ceramics base
» amazon review job > amazon review job > cob power led optical light source with ceramics base

how to get paid for user testing

how to get paid for user testing

  1. raw materials:
  2. ceramics cob optical light source has very super-high luminous efficiency:110lm/w because of the broad light source.
  3. ceramics cob led plane light source belongs to integrated led light source module ,so the installation is very easy, it’s not necessary to consider the other things like technics design.
  4. cob power led optical light source with ceramics base is very soft & uniform with very wide viewing angle.
  5. 2% light decreasing -10000 hours, 3 years warranty
  6. 2% light decreasing -10000 hours, 3 years warranty
  7. emitting color :pure white and warm white
  8. sensitive to esd
  9. cob led with ceramics substrate is sintered at high temperature then covered silver heat can be dissipated very fast because chips get in touch with how to get paid for user testing straightly. when cob ceramic optical light source working, the nodal point between fluorescent powder & silica gel can be less than 120â°; led chips can be worked normally at about 80-90â°
  10. cob flat surface light source can be broken down voltage at about above 4000v, it has very high light conversion efficiency so that it can cut down the cost by matching no-isolated power supply with low current, high voltage
  11. all products aging more than 8 hours before shipment to ensure reliable quality
  12. providing technical support, such as choice of heat-sink, driver or lens
  13. applications:
    widely applied in lighting
    • instead of the fluorescent lights indoorsâ 
    • spot light
    • down light/ceiling light
    • ball bulb etc.

cob 4w

cob 4w

cob 6w

cob 6w

cob 18w

cob 18w

cob 56w

cob 56w

how to get paid for user testing

  • discount are offered based on order quantities
  • delivery time: 5 working days after having received the deposit
  • any product size and color temperature can be customized
  • tel +86-755-8391 8797
  • fax +86-755-8306 2997
  • msn messenger leddiodes@hotmail.com
  • skype leddiodes
  • yahoo messenger leddiodes@yahoo.com
  • icq 572351276