I've been using these for awhile and love them:

http://www.amazon.com/gp/aw/d/B001G7HS6U/ref=mp_s_a_1_sc_1?qid=1419870217&sr=8-1-spell&pi=AC_SX110_SY165_QL70

Blue light has been shown to improve mood and have even been used in suicide prevention at train/subway stations: http://nextcity.org/daily/entry/how-blue-lights-on-train-platforms-combat-tokyos-suicide-epidemic

I use them in my game room.

Here is the desktop version of your link