HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Feature
Electronics & Test
Assessing Compatibility of Adhesives for LED Assembly
12/9/2013

Image 1 of 3      Next >

Figure 1. If an incompatibility exists between the LED and VOCs, the LEDs discolor rapidly, often within hours of exposure. Light output levels drop and changes in the quality of the light's color or chromaticity occur. Before and after photos show how output levels can deteriorate.
Figure 1. If an incompatibility exists between the LED and VOCs, the LEDs discolor rapidly, often within hours of exposure. Light output levels drop and changes in the quality of the light’s color or chromaticity occur. Before and after photos show how output levels can deteriorate.

Image 1 of 3      Next >

Return to Article

View Comments: Newest First|Oldest First|Threaded View
Ann R. Thryft
User Rank
Blogger
Re: Quality of the supplier counts too.
Ann R. Thryft   2/26/2014 2:04:57 PM
NO RATINGS
That principle works for adhesives in just about every application, and it's critical in automotive and aerospace products.

Nancy Golden
User Rank
Platinum
Re: Quality of the supplier counts too.
Nancy Golden   12/11/2013 3:51:58 PM
NO RATINGS
I agree, this was a very informative and easy to understand article that discusses an important topic in LED Assembly production. The importance of adhesive selection if overlooked can result in a very poor product despite an otherwise solid design,  and understanding their interaction up front can save time and money in the long run.

"Careful adhesive selection during device design ensures that any incompatibilities between LEDs and adhesives never occur" sounds like excellent advice. Thanks for a great article.

William K.
User Rank
Platinum
Quality of the supplier counts too.
William K.   12/10/2013 11:05:18 AM
NO RATINGS
Thanks for the educational posting. What we learn is that the whole process is quite complex and that it is vital to understand each of the materials involved, including their chemistry. 

So it is clear that one must work with a reliable supplier to make the correct choices, and then do an adequate amount of testing to assure that the selected materials will work even with the range of production variations. Because we know that there does exist a bit of variability.

Partner Zone
Latest Analysis
Today, no matter where in the world the device is located, it can call home and ask for the latest-and-greatest firmware with bug fixes and feature updates.
Google has created an experimental wearable aimed at giving medical researchers and physicians access to persistent, and real-time patient data, according to a report from Bloomberg.
Parallax Inc. is known for developing the Basic Stamp microcontroller development board and educational accessory kits. In addition to developing a user-friendly educational platform to learn about 8-bit microcontrollers and software programming, it created a multicore 32-bit chip called the Propeller.
Made By Monkeys highlights products that somehow slipped by the QC cops.
Researchers working with additive manufacturing have said multimaterial techniques will allow industry “to fabricate materials with combinations of density, strength, and thermal expansion that do not exist [yet].”
More:Blogs|News
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Jul 6 - 10, Building Raspberry Pi Controllers with Python
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2015 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service