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Forum: LED

component specs, tech, binning, usage, etc

  1. Sticky Thread Sticky: LED Forum - Threads of Interest

    Started by Unforgiven, 07-26-2009 11:59 AM
    • Replies: 0
    • Views: 16,215
    Unforgiven
    07-26-2009, 11:59 AM Go to last post

  1. What's in between Cree XM-L2/XP-G2 5000K and 6500K?

    Started by akula88, 05-13-2013 01:18 AM
    • Replies: 14
    • Views: 725
    videoman
    05-20-2013, 05:12 AM Go to last post

  2. Is this an XP-G, an XP-G2 or ?

    Started by KenSFO, 05-20-2013 03:46 AM
    • Replies: 4
    • Views: 292
    alpg88
    05-20-2013, 04:36 AM Go to last post

  3. Help Help needed with simple LED project

    Started by Unitcandle, 05-14-2013 10:57 PM
    • Replies: 14
    • Views: 521
    Norm
    05-19-2013, 11:44 PM Go to last post

  4. Question Source for low power 2700K 90+ CRI LEDs for strip lighting?

    Started by MtBiker77, 05-17-2013 07:23 AM
    • Replies: 5
    • Views: 332
    MtBiker77
    05-19-2013, 10:59 AM Go to last post

  5. XM-L2 U3 bin available...

    Started by PapaLumen, 05-17-2013 10:46 AM
    • Replies: 2
    • Views: 566
    PapaLumen
    05-18-2013, 09:33 AM Go to last post

  6. Help a Girl Out With An LED Circuit!

    Started by th961605, 05-16-2013 11:47 AM
    • Replies: 3
    • Views: 421
    Steve K
    05-16-2013, 04:02 PM Go to last post

  7. 500W Halogen Flood Lamp LED Bulb

    Started by J.McDonald Knives, 05-22-2011 07:34 PM
    • Replies: 16
    • Views: 10,219
    LilKevin715
    05-16-2013, 10:21 AM Go to last post

  8. Help HP (Hewlett Packard) LED. What is it???

    Started by archion21, 05-07-2013 07:48 PM
    • Replies: 1
    • Views: 376
    foxtrot824
    05-16-2013, 03:47 AM Go to last post

  9. Cool Bin Coding: Color, Flux and Vf Charts and Links for Popular White LEDs

    Started by DFiorentino, 03-11-2007 04:24 PM
    4 Pages •
    1 2 3 4
    • Replies: 102
    • Views: 72,206
    Calina
    05-15-2013, 10:41 PM Go to last post

  10. Nichia 034B LED Collimation

    Started by maccyjj, 05-09-2013 11:34 PM
    • Replies: 5
    • Views: 446
    RoGuE_StreaK
    05-15-2013, 04:07 PM Go to last post

  11. Understand RGB LED mixing ratios to realize optimal color in signs and displays

    Started by slebans, 05-15-2013 03:30 PM
    • Replies: 0
    • Views: 184
    slebans
    05-15-2013, 03:30 PM Go to last post

  12. Dual-color Lasers Could Lead to Cheap and Efficient LED lighting

    Started by slebans, 05-03-2013 11:07 AM
    • Replies: 12
    • Views: 546
    SemiMan
    05-14-2013, 10:24 AM Go to last post

  13. help with led's for a trailer

    Started by jarkov, 05-12-2013 11:21 PM
    • Replies: 2
    • Views: 233
    Christexan
    05-13-2013, 11:48 AM Go to last post

  14. Using power LED at low current levels

    Started by Tobias Bossert, 05-10-2013 09:56 AM
    • Replies: 11
    • Views: 603
    bshanahan14rulz
    05-13-2013, 05:49 AM Go to last post

  15. Looking for alu PCB for 3W LEDs

    Started by SirJMD, 05-11-2013 04:07 AM
    • Replies: 11
    • Views: 614
    SemiMan
    05-13-2013, 04:41 AM Go to last post

  16. Fenix problems

    Started by russ0228, 05-12-2013 10:40 AM
    • Replies: 1
    • Views: 216
    Labrador72
    05-12-2013, 06:21 PM Go to last post

  17. Source for buying XM-L emitters

    Started by shock003, 05-07-2013 10:10 PM
    • Replies: 6
    • Views: 411
    pepperdust
    05-12-2013, 01:42 PM Go to last post

  18. Popcorn Quadcopter Lighting

    Started by anthonysquad, 04-13-2013 06:25 PM
    • Replies: 14
    • Views: 870
    X_Marine
    05-11-2013, 09:06 PM Go to last post

  19. 120vac led driver 30w; Changing Current level?

    Started by magudaman, 05-05-2013 11:48 AM
    • Replies: 13
    • Views: 593
    X_Marine
    05-10-2013, 10:32 PM Go to last post

  20. Looking for some advice on an "LED blanket"

    Started by fogged306, 05-10-2013 12:57 PM
    • Replies: 0
    • Views: 215
    fogged306
    05-10-2013, 12:57 PM Go to last post

  21. Looking for XM-L2 on 20mm stars

    Started by videoman, 01-11-2013 05:46 AM
    • Replies: 29
    • Views: 2,067
    videoman
    05-10-2013, 12:32 PM Go to last post

  22. How to Properly Understand Thermal Resistance

    Started by 96300NAZ, 05-09-2013 02:58 PM
    • Replies: 4
    • Views: 376
    Steve K
    05-10-2013, 04:40 AM Go to last post

  23. Strain Engineering Improves Light Output from Green LEDs

    Started by slebans, 05-09-2013 09:07 AM
    • Replies: 3
    • Views: 297
    SemiMan
    05-09-2013, 06:44 PM Go to last post

  24. 5050 SMT LED Help Please

    Started by boredom.is.me, 04-21-2013 11:33 AM
    • Replies: 8
    • Views: 501
    CfabStudios
    05-08-2013, 11:51 AM Go to last post

  25. Been out of loop for a while, info needed!

    Started by Mash, 04-28-2013 03:30 PM
    • Replies: 5
    • Views: 409
    easyledlighting
    05-08-2013, 03:16 AM Go to last post

  26. 30w bulb failure, Ideas why?

    Started by magudaman, 05-04-2013 07:21 PM
    • Replies: 2
    • Views: 285
    easyledlighting
    05-08-2013, 03:11 AM Go to last post

  27. Boost power to strand of LEDs in series?

    Started by Suicide commando, 05-03-2013 05:48 PM
    • Replies: 3
    • Views: 254
    JohnR66
    05-07-2013, 01:09 PM Go to last post

  28. LED replacements

    Started by hoffmyster86, 05-05-2013 01:55 PM
    • Replies: 4
    • Views: 402
    hoffmyster86
    05-06-2013, 10:16 PM Go to last post

  29. What is the Vf of these LEDs

    Started by kosPap, 04-22-2013 10:34 PM
    • Replies: 6
    • Views: 437
    kosPap
    05-05-2013, 12:58 PM Go to last post

  30. Rensselaer Polytechnic Student Creates Brighter, Smarter and More Efficient LEDs

    Started by slebans, 05-02-2013 03:47 AM
    • Replies: 13
    • Views: 612
    SemiMan
    05-05-2013, 09:58 AM Go to last post

  31. Smile How many families in American have flashlight ?

    Started by Bournejan, 05-05-2013 03:50 AM
    • Replies: 1
    • Views: 275
    SemiMan
    05-05-2013, 08:15 AM Go to last post

  32. Cree XP-E2 now at cutters...

    Started by PapaLumen, 10-24-2012 08:33 AM
    • Replies: 4
    • Views: 1,261
    Blitzwing
    05-05-2013, 12:55 AM Go to last post

  33. Source for Cree XBD PCBs / Stars

    Started by write2dgray, 09-17-2012 09:59 AM
    • Replies: 6
    • Views: 813
    Microa
    05-04-2013, 11:47 PM Go to last post

  34. Smile Finally, < 4 degrees optics for XML

    Started by clemence, 05-02-2013 09:20 PM
    • Replies: 14
    • Views: 675
    Harold_B
    05-04-2013, 04:10 PM Go to last post

  35. highest quality COB's ?

    Started by pepperdust, 05-02-2013 05:49 PM
    • Replies: 1
    • Views: 183
    Bournejan
    05-04-2013, 03:53 AM Go to last post

  36. US Military RFI - Development of circuitry for improved LED turn-on and turn-off

    Started by slebans, 05-03-2013 11:05 AM
    • Replies: 3
    • Views: 360
    PhotonWrangler
    05-03-2013, 02:50 PM Go to last post

  37. Future of LED phosphors

    Started by Anders Hoveland, 04-29-2013 11:35 PM
    2 Pages •
    1 2
    • Replies: 34
    • Views: 1,318
    xevious
    05-03-2013, 09:18 AM Go to last post

  38. Finally, less than 4 degree optics for XML

    Started by clemence, 05-02-2013 08:59 PM
    • Replies: 0
    • Views: 206
    clemence
    05-02-2013, 08:59 PM Go to last post

  39. MCE RGB vs XM-L RGB

    Started by Shooter21, 04-29-2013 07:45 AM
    • Replies: 9
    • Views: 430
    alpg88
    05-01-2013, 05:09 AM Go to last post

  40. Designing driver circuit for RGB Power LED with dimming PWM control

    Started by Joern, 04-22-2013 09:40 AM
    • Replies: 4
    • Views: 508
    Joern
    04-28-2013, 03:26 PM Go to last post

  41. What driver for 10 x 10w LED

    Started by danmac, 04-27-2013 01:40 AM
    • Replies: 2
    • Views: 350
    videoman
    04-27-2013, 11:32 AM Go to last post

  42. Post Led Monitor damaged my eyes

    Started by assassin966, 04-25-2012 02:17 PM
    2 Pages •
    1 2
    • Replies: 36
    • Views: 7,054
    fyrstormer
    04-26-2013, 10:06 AM Go to last post

  43. Difference in LED's CREE XP-G R3 and CREE XP-E Q5

    Started by G35COUPE, 04-22-2013 12:41 PM
    • Replies: 3
    • Views: 422
    degarb
    04-25-2013, 09:54 AM Go to last post

  44. 'New Technology Inspires a Rethinking of Light,' 04/25/13 Times Article

    Started by joelbnyc, 04-25-2013 09:32 AM
    • Replies: 0
    • Views: 319
    joelbnyc
    04-25-2013, 09:32 AM Go to last post

  45. CIE coordinates - calculation problem

    Started by PFR84, 03-24-2013 09:41 AM
    • Replies: 3
    • Views: 433
    jhs1
    04-24-2013, 11:05 AM Go to last post

  46. Need Help With Side Led Lighting On Glass Table

    Started by vestalsin, 04-23-2013 12:28 PM
    • Replies: 9
    • Views: 393
    bshanahan14rulz
    04-24-2013, 08:19 AM Go to last post

  47. "Cause of LED efficiency droop finally revealed"

    Started by mds82, 04-23-2013 09:43 AM
    • Replies: 4
    • Views: 460
    RoGuE_StreaK
    04-23-2013, 04:41 PM Go to last post

  48. Fake or real Cree LED?

    Started by Migs7, 04-20-2013 04:44 PM
    • Replies: 3
    • Views: 481
    bose301s
    04-22-2013, 11:33 AM Go to last post

  49. Wiring several led lights from 12v battery

    Started by kje, 04-16-2013 02:51 PM
    • Replies: 9
    • Views: 718
    Julian Holtz
    04-22-2013, 09:37 AM Go to last post

  50. Most Lumens from Amps and from Watts

    Started by Tobias Bossert, 04-04-2013 09:55 PM
    • Replies: 9
    • Views: 730
    Tobias Bossert
    04-21-2013, 07:21 AM Go to last post
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