As previously covered, the Philips LED Prize bulb, its quality issues, and how Philips won the US Government prize for it:
The lobbying, the evading of rules, the poor quality of the bulb on testing - as referenced with competition rules, patents, lobbying finance records, the prize committee's own lab test document, etc...
Standing against that information,
the US Dept of Energy official site (lightingprize.org) - has a lot more about the evaluation procedure - including their video about the bulb testing:
The just released (April 2012) stress test report follows below.
Alternative link to this PDF document.
As seen, the lab involved was the Pacific Northwest National Laboratory, as also covered in the mentioned complete post and test committee review therein.