PDA

View Full Version : LED



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 [57] 58 59 60 61 62 63

  1. Are 120 volt home LED bulbs technologically inferior to the new flashlight LEDs?
  2. Are most LED grow lights a ripoff? Why do they need so many LED's?
  3. How to identify genuine CREE XR-E 7090 R2?
  4. Did anyone use so far Optogan LEDs?
  5. What is the definition of an efficient light bulb? Less heat and more light..Right?
  6. Whats the best source to learn about LED tech and how to build LED fixtures?
  7. UV LEDs yield deeper-color antioxidant-rich plants
  8. Nichia SMD LED Heat Sink design DIY
  9. What ar the most efficient and (separately) cheapest LEDs available at the moment?
  10. Is There An Emitter that doesn’t have a inherent green tint problem?
  11. identify this LED?
  12. OK LED GUY'S, i have a IR LED "?" for ya....
  13. Noob with LED's
  14. Driver, LED choice& battery - desiging a bike lamp, CREE XML T6 or P7 etc?
  15. Are the Chinese LED array plates any good?
  16. Osram Duris E3 PLCC LEDs
  17. Led works when i press on dome, what does it mean!
  18. How to wire 10-20 6-chip LEDs in one circuit?
  19. Infra-Red Lighting??
  20. Don't "White" LEDs stimulate our eyes red cones?
  21. Hello! Need some advice for an inexperienced guy about 3mm LED...........thanks
  22. Tech Q re LED Life
  23. If white LEDs are actually blue, then why hasn't anyone tried green?
  24. About cheap Led Drivers (with MOSFET) and even cable losses
  25. Battery and electric powered LEDS
  26. Electric double-layer capacitor with LEDS
  27. Osram announces Red LED - 50% efficiency at 350mA
  28. Getting additional information about Cree's XM-L
  29. Question about XM-L tints and bins
  30. Need help finding a place online to buy....
  31. High CRI freaks - check this out.
  32. Understanding MR16 LED lamps
  33. LED powered light diffusion ring
  34. P7 dome fogging
  35. LED driver project
  36. Inventor seeking LED emitter expert
  37. Anyone know how to decode LED part numbers?
  38. Having a certain problem with an LED strip.
  39. Info/help needed
  40. 300 Lumens per Dollar LED
  41. What type of LED is this?
  42. Pulse driving vs Normal Constant Current Driving Leds
  43. Overdriving the Cree XP-E?
  44. Which Red LEDs for sharp vision while preserving starlight vision
  45. XMLAWT led on deals extreme
  46. Best Day time colors for LEDs ??
  47. comparison XP-G and XM-L
  48. high power blue LED with heat sink cooling system
  49. led help
  50. What to do now with these XP-G's ?