Breaking News
Comments
Oldest First | Newest First | Threaded View
agk
User Rank
Rookie
re: Cree introduces next-generation color LEDs
agk   10/16/2012 12:55:21 PM
NO RATINGS
Here the Blue LED has reached around 50 percent efficiency of red and green LED.Good break through.But still blue is always cool.

SpeedEvil
User Rank
Rookie
re: Cree introduces next-generation color LEDs
SpeedEvil   1/23/2013 1:30:45 AM
NO RATINGS
This is highly misleading, and is due to the poor sensitivity of the eye to blue. The green LED emits about 210/627W - 1/3 of a watt - with 3W in - so 10% efficient. Blue is around 50%.



EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Aging Brass: Cow Poop vs. Horse Doo-Doo
Max Maxfield
7 comments
As you may recall, one of the things I want to do with the brass panels I'm using in my Inamorata Prognostication Engine is to make them look really old. Since everything is being mounted ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
11 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
11 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
45 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)