Mechanical Engineer to develop light guides or light pipes used with LEDs

Contest Ended, Winner(s) have been selected.
Description:
Looking for an engineer that has experience with light guides or light pipes used with LEDs, and that can design a few simple light guides for an electronic device. 3 LEDs - red, green, blue will feed the light pipe. the other end of the light pipe will be visible to the user thorugh a cutout in the enclosure. the user will see this end of the light pipe, which is 2 strips each at .2 wide x 2" long. there may be some curvature to these 2" long strips (maybe a radius of 2.5"). when the red LED is on the strips will light up red. same for green, etc. need to make sure the lighting is continuous (not brighter at one end than the other). Proven experience with LIght pipes is required. $100 for initial sketch and background proving that this design will work. Further work would then be given to winner to develop the concept into a injection molded part. Good Luck and I look forward to working with you.
Wants:
light pipe design must be able to be converted into an injection molded light guide with a cost of less than 1.00 per part at 1000pc lot size. needs to be assembly sketch with lightpipes and LEDs, and part sketches for each light pipe. see attached pg2. sketch with dimensions, material, and engineering proof (design guides, other similar products, prior experiences, etc) that the concept will work. Bonus points will be given to designs turned in by 9/21/2016
Software:
  1. SolidWorks
Additional Information
Any design must inlcude the following for consideration: 1) the concept must include sketch/model of the actual light guides with dimensions, and any surface treatments etc. and sketch/model of the assembly showing how they are held to circuit board and housing.

Entries

1st Winner
#2 light-pipe by Adam
There will be issues with a company logo that is not one contiguous cutout. Mute button needs further clarification.
more
2016-09-20 16:45:00
#10 LIGHT GUIDE_UPDATE by 25@rt
My Update Version
Please refer other attachment for more detail :)
more
2016-10-29 17:26:30
#1 Alarm by John Paulo
2016-09-20 04:00:41
#3 Light guides by Aminegn
2016-09-21 01:51:49
#4 Light guides by Aminegn
Dark view
more
2016-09-21 01:58:07
#5 Light pipes used with LED by Bodhayan
Light pipes made with led light set & back support
more
2016-09-21 11:53:44
#6 Lightpipe by Adam
I recommend that you hot stamp the top of the lightpipe as opposed to pad print. The ink used in pad printing tends to no adhere very well to glossy surfaces and has a high scrap rate. The other option is in-mold decoration insert for the surrounding black area. Note: this is not real world light emission, it's just a rendering. You would need Ray Tracing software to determine how the light pipe performs.
more
2016-09-21 16:46:45
#7 Mechanical Engineer to develop light guides or light pipes used with LEDs.rev1 by Michael Dimou
2016-09-27 18:33:48
#8 Light guides by Aminegn
Here is the STEP file , sorry for the delay
more
2016-09-28 02:28:31
#9 LIGHT GUIDE by 25@rt
Please refer other images attached with details in pdf. Pdf attached is more details about the design and hopefully you can spend some time to view it.
more
2016-10-29 15:42:12

Discussion

jflagle

Buyer

Sun, 06 Nov 2016 23:41:23 +0000
i would like to choose light-pipe by Adam as the contest winner. however, teh website will not allow me to select the winner at this point. i am still wihting the 7 days of contest ending.

runner up would be LIGHT GUIDE_UPDATE by 25@rt

cadcrowd admin - can you please select this winner for me...

jflagle

Buyer

Wed, 28 Sep 2016 01:30:34 +0000
please save as a step file or other format that can be opened in SW 2016 or send jpegs

jflagle

Buyer

Thu, 22 Sep 2016 08:57:54 +0000
Any design must inlcude the following for consideration: 1) the concept must include sketch/model of the actual light guides with dimensions, and any surface treatments etc. and sketch/model of the assembly showing how they are held to circuit board and housing.

jflagle

Buyer

Thu, 22 Sep 2016 08:56:53 +0000


please save as solidworks 2015 or earlier, or as a step file.

Note: Any design must inlcude the following for consideration: 1) the concept must include sketch/model of the actual light guides with dimensions, and any surface treatments etc. and sketch/model of the assembly showing how they are held to circuit board and housing.

jflagle

Buyer

Thu, 22 Sep 2016 08:55:37 +0000

I cannot open the file. I am using solidworks 2015. please save as SW 2015 or a step file.

Note: Any design must inlcude the following for consideration: 1) the concept must include sketch/model of the actual light guides with dimensions, and any surface treatments etc. and sketch/model of the assembly showing how they are held to circuit board and housing.

Aminegn

Designer

Wed, 21 Sep 2016 18:11:12 +0000
Please tell us if our designs are correct or need some improvements .
Thanks.

jflagle

Buyer

Wed, 21 Sep 2016 12:07:10 +0000
I would recommend a light pipe that lights up the entire Square that company name is on, and then company name is just pad printed in Black Ink. Also, you are correct. There will be a mute button on the printed circuit board. At this point we can use any button. Feel free to recommend any button and light combination.

Adam

Designer

Mon, 19 Sep 2016 16:43:08 +0000
The company name must be one continuous opening, so letters "A", "O', "D" etc. are not feasible as a cut-out for the lightpipe on the top housing.

What feature on the board actuates "mute on", "mute-off". Typically a button such as this is a separate molded part with a small light pipe inside along with a spring and features on the housing to accommodate it.

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