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> I DIY a PJ with 896 LEDs
Tian
post Dec 15 2005, 04:34 PM
Post #1


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Group: Customer
Posts: 35
Joined: 14-December 05
From: southwest China
Member No.: 10299



896 leds,20ma,3.3v,12000-15000mcd,32*28 leds,with 12-15v dc power source,a cpu fans.
lcd:8.4 inches,toshiba,800*600 tft.
cost list(chinese RMB,1us$=8.1 RMB)
lcd with control panel:780
1000 pcs leds:350
PCB board:20
12-15v DC power:100
lense:320mm,dia.:67mm 160
fenier? lense(I can't say it in English):330mm,60

I am a Chinese,I hate me,when a learn English,I uasully sleep.I don't think someday I must say it.I am very sorry for my poor English.

no more words I can say,see pictures please.
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Posts in this topic
- Tian   I DIY a PJ with 896 LEDs   Dec 15 2005, 04:34 PM
- - Tian   the led board   Dec 15 2005, 04:36 PM
- - Tian   led board in a wood box   Dec 15 2005, 04:47 PM
|- - Tian   led board in a wood box   Dec 15 2005, 04:51 PM
|- - Tian   it works   Dec 15 2005, 04:55 PM
|- - Tian   60 inches blue result picture you can see more pic...   Dec 15 2005, 04:59 PM
|- - Tian   60 inches result picture you can see all 42 pictur...   Dec 15 2005, 05:04 PM
|- - joe2000chevy   QUOTE (Tian @ Dec 15 2005, 10:59 AM) 60 i...   Dec 15 2005, 05:08 PM
|- - Tian   QUOTE (joe2000chevy @ Dec 15 2005, 05:08 ...   Dec 15 2005, 05:21 PM
- - SupraGuy   Looks like there's 2 issues there. A bit of u...   Dec 15 2005, 05:21 PM
|- - Tian   QUOTE (SupraGuy @ Dec 15 2005, 05:21 PM) ...   Dec 15 2005, 05:38 PM
- - chrisbballas   Scrolled through most of the pics he has posted in...   Dec 15 2005, 05:29 PM
- - SupraGuy   Yeah, in that picture you can see some wrinkles in...   Dec 15 2005, 05:44 PM
|- - Tian   hi everyone,it is 0:51 at china,sorry I goto bed, ...   Dec 15 2005, 05:54 PM
- - pulsareus   Can anyone source some LEDs for a project like thi...   Dec 15 2005, 11:39 PM
|- - joe2000chevy   QUOTE (pulsareus @ Dec 15 2005, 05:39 PM)...   Dec 16 2005, 12:41 AM
|- - Tian   QUOTE (pulsareus @ Dec 15 2005, 11:39 PM)...   Dec 16 2005, 04:06 AM
|- - Unwin   Can we see some pictures using your LED projector ...   Dec 16 2005, 04:48 AM
- - Mongals   放映机看起来...   Dec 16 2005, 12:28 AM
- - brainchild   QUOTE (joe2000chevy @ Dec 15 2005, 07:41 ...   Dec 16 2005, 02:53 AM
- - zedrik   yah...can we see some results..   Dec 16 2005, 06:48 AM
|- - Tian   QUOTE (zedrik @ Dec 16 2005, 06:48 AM) ya...   Dec 16 2005, 09:02 AM
|- - Tian   QUOTE (zedrik @ Dec 16 2005, 06:48 AM) ya...   Dec 16 2005, 09:10 AM
|- - carpow   QUOTE (zedrik @ Dec 16 2005, 02:48 PM) ya...   Dec 18 2005, 02:10 AM
|- - Orange   QUOTE (carpow @ Dec 18 2005, 07:40 AM) Ne...   Dec 18 2005, 07:18 AM
- - mikelish   That is pretty amazing   Dec 16 2005, 10:23 AM
- - GadgetSmith   Is the 896LED board being used with the same 8.4...   Dec 16 2005, 12:39 PM
|- - Tian   QUOTE (GadgetSmith @ Dec 16 2005, 12:39 P...   Dec 16 2005, 03:53 PM
- - Rox   did you measured the lumens output? do you plan on...   Dec 16 2005, 03:02 PM
|- - Tian   QUOTE (Rox @ Dec 16 2005, 03:02 PM) did y...   Dec 16 2005, 04:10 PM
|- - skyfox   I want a 17" version with 6000k I dont se...   Dec 16 2005, 05:27 PM
- - Rox   """"""""...   Dec 16 2005, 06:16 PM
|- - pagercam   QUOTE (Rox @ Dec 16 2005, 09:16 AM) ...   Dec 16 2005, 09:18 PM
||- - mikyd1954   QUOTE (pagercam @ Dec 16 2005, 03:18 PM) ...   Dec 16 2005, 09:38 PM
|||- - joe2000chevy   QUOTE (mikyd1954 @ Dec 16 2005, 03:38 PM)...   Dec 16 2005, 09:40 PM
|||- - mikyd1954   QUOTE (joe2000chevy @ Dec 16 2005, 03:40 ...   Dec 16 2005, 09:47 PM
||- - Orange   QUOTE (pagercam @ Dec 16 2005, 09:18 PM) ...   Dec 17 2005, 09:01 AM
||- - pagercam   QUOTE (Orange @ Dec 17 2005, 12:01 AM) Pa...   Dec 17 2005, 09:30 AM
||- - Orange   QUOTE (pagercam @ Dec 17 2005, 09:30 AM) ...   Dec 17 2005, 09:51 AM
|- - Tian   QUOTE (Rox @ Dec 16 2005, 06:16 PM) ...   Dec 17 2005, 04:44 PM
|- - Orange   QUOTE (Tian @ Dec 17 2005, 10:14 PM) rox,...   Dec 17 2005, 06:07 PM
- - brainchild   Yes Rox is right about this. But this project is t...   Dec 16 2005, 09:14 PM
- - phutton   If Tian only sells 896 led boards, then 4 boards s...   Dec 16 2005, 09:46 PM
- - phutton   If you look at the web site it looks like there ar...   Dec 16 2005, 10:01 PM
|- - mikyd1954   QUOTE (phutton @ Dec 16 2005, 04:01 PM) I...   Dec 16 2005, 10:05 PM
- - phutton   Tian, Where did you find the 7,000K color tempera...   Dec 17 2005, 12:06 AM
- - Rox   QUOTE (pagercam @ Dec 16 2005, 10:18 PM) ...   Dec 17 2005, 02:52 AM
|- - pagercam   QUOTE (Rox @ Dec 16 2005, 05:52 PM) more ...   Dec 17 2005, 08:59 AM
|- - Orange   QUOTE (Rox @ Dec 17 2005, 02:52 AM) Anywa...   Dec 17 2005, 09:17 AM
|- - pagercam   QUOTE (Orange @ Dec 17 2005, 12:17 AM) LE...   Dec 17 2005, 09:33 AM
- - brainchild   A lenticular array could help in this regard.   Dec 17 2005, 04:23 AM
- - Raymond Chiu   Looks positive, I noticed that the LED's are l...   Dec 17 2005, 09:02 AM
- - Rox   yes, I agree with the things are being said here. ...   Dec 17 2005, 11:35 AM
- - Rox   new points on the calculation again; the 13,5 can...   Dec 17 2005, 12:44 PM
|- - Orange   QUOTE (Rox @ Dec 17 2005, 06:14 PM) the 1...   Dec 17 2005, 01:26 PM
- - Rox   aha. 90 candelas max average (lets say somewhere 6...   Dec 17 2005, 01:33 PM
|- - Orange   QUOTE (Rox @ Dec 17 2005, 07:03 PM) aha. ...   Dec 17 2005, 01:45 PM
- - Rox   no, I am assuming a lot of things on my fast calcs...   Dec 17 2005, 01:48 PM
|- - Orange   QUOTE (Rox @ Dec 17 2005, 07:18 PM) no, I...   Dec 17 2005, 02:04 PM
- - Rox   mmm If i were asked, I would say narrower the ligh...   Dec 17 2005, 02:08 PM
- - Orange   Guys I just found a Mcd to Lumens conversion calcu...   Dec 17 2005, 02:35 PM
- - Rox   ok but you are doing the mistake again, you are us...   Dec 17 2005, 03:22 PM
- - Rox   QUOTE (Orange @ Dec 17 2005, 03:35 PM) So...   Dec 17 2005, 03:33 PM
|- - Orange   QUOTE (Rox @ Dec 17 2005, 09:03 PM) If yo...   Dec 17 2005, 03:48 PM
- - DAZZZLA   I’ve just done some quick ray traces to see how th...   Dec 17 2005, 04:10 PM
|- - Tian   QUOTE (DAZZZLA @ Dec 17 2005, 04:10 PM) I...   Dec 17 2005, 05:11 PM
|- - Tian   QUOTE (DAZZZLA @ Dec 17 2005, 04:10 PM) I...   Dec 19 2005, 05:15 AM
|- - skyfox   what led's are u using superbright superwhite ...   Dec 19 2005, 06:26 AM
|- - Tian   QUOTE (skyfox @ Dec 19 2005, 06:26 AM) wh...   Dec 19 2005, 06:39 AM
|- - Orange   QUOTE (skyfox @ Dec 19 2005, 11:56 AM) wh...   Dec 19 2005, 11:16 AM
- - Rox   I agree with you tian. I know the leds directiona...   Dec 17 2005, 05:14 PM
|- - Tian   QUOTE (Rox @ Dec 17 2005, 05:14 PM) I agr...   Dec 17 2005, 05:36 PM
|- - Tian   this is a result picture with my first 192leds boa...   Dec 17 2005, 05:48 PM
- - Rox   well lets see some terms: lumens; this is how muc...   Dec 17 2005, 06:32 PM
- - Unwin   I have seen LED's that are cut down versions o...   Dec 17 2005, 07:58 PM
- - mikla   Just a question for Tian - did you try to remove a...   Dec 17 2005, 11:56 PM
|- - Tian   QUOTE (mikla @ Dec 17 2005, 11:56 PM) Jus...   Dec 18 2005, 02:58 AM
- - RymGB   Tian and Carpow, Great work guys, I hope you star...   Dec 18 2005, 07:38 PM
- - skyfox   As a note there are alternatives to the standard L...   Dec 19 2005, 06:36 AM
|- - mikla   QUOTE (skyfox @ Dec 19 2005, 07:36 AM) As...   Dec 19 2005, 08:22 AM
|- - Orange   QUOTE (skyfox @ Dec 19 2005, 12:06 PM) As...   Dec 19 2005, 11:24 AM
- - Rox   QUOTE (Tian @ Dec 19 2005, 06:15 AM) I th...   Dec 19 2005, 12:32 PM
|- - Tian   QUOTE (Rox @ Dec 19 2005, 12:32 PM) this ...   Dec 22 2005, 10:38 AM
- - Rox   Ok after checking on the posts, I see the fresnell...   Dec 19 2005, 03:56 PM
- - DAZZZLA   I split this thread and moved the posts that didn’...   Dec 22 2005, 07:18 AM
- - ewan   Would it be a good idea to use a luxeon lens with ...   Dec 24 2005, 05:12 PM
|- - Orange   QUOTE (ewan @ Dec 24 2005, 10:42 PM) Woul...   Dec 24 2005, 07:24 PM
- - Todd   This is very interesting, power consumption is spe...   Dec 29 2005, 06:54 PM
- - LaserLine   Count me in too! Let me know when your 15...   Jan 22 2006, 10:27 PM
- - Tian   sorry,everybody,I said sell it in 2006.1,but some ...   Feb 28 2006, 02:20 PM
- - Rox   nice to know you meassured it, thanks tian.   Feb 28 2006, 03:17 PM
|- - Tian   QUOTE (Rox @ Feb 28 2006, 03:17 PM) nice ...   Feb 28 2006, 03:42 PM
- - Rox   well, i estimated somewhere 80 projected lumens ba...   Feb 28 2006, 03:52 PM
|- - Tian   QUOTE (Rox @ Feb 28 2006, 03:52 PM) well,...   Feb 28 2006, 04:01 PM
- - elektron   Can you tell me if your screen is to compare with ...   Feb 28 2006, 07:49 PM
|- - Tian   QUOTE (elektron @ Feb 28 2006, 07:49 PM) ...   Mar 1 2006, 01:34 AM
- - MichaelJ   QUOTE nice to know you meassured it yeah absolutel...   Feb 28 2006, 09:53 PM
- - johnzo1995   I think the 20-30 lumens out of the projector is r...   Mar 1 2006, 03:39 AM
- - yoshuaspawn   Thats really cool you throw in the polarizer. Is i...   Mar 1 2006, 05:48 AM
- - Tian   QUOTE (yoshuaspawn @ Mar 1 2006, 05:48 AM...   Mar 1 2006, 06:14 AM
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