Lord Flashheart on 16 May 2009
http://www.joystiq.com/2008/10/20/sony-investigating-psp-brite-screen-issues/
Not a feature at best an oversight but still a problem with hardware
http://www.1up.com/do/newsStory?cId=3170826
And
http://www.monstersandcritics.com/gaming/psp/news/article_1390257.php/Melting_PSP_burns_Michigan_schoolboy
no proof it was 3rd party just wishful thinking and given sony's history with batteries
http://www.theregister.co.uk/2008/10/30/sony_battery_recall_october_2008/
http://www.independent.co.uk/life-style/gadgets-and-tech/news/sony-recalls-100000-laptop-batteries-981173.html (try and spin that one)
its very possibly first party.
