yourmajesty,royalhighnesses,ladiesandgentlemen,colleaguesandfriends:
onbehalfofmycorecipients,professorisamuakasakiandprofessorhiroshiamano,iwouldliketothankthemembersofthenobelprizeselectionmittee,andmembersoftheswedishroyalacademyofscienceforhonouringourinventionoftheefficientbluelightemittingdiodes(led)whichhasenabledbrightandenergysavingswhitelightsources.
alfrednobelwantedhisprizetobeawardedbasedonaninventionordiscoveryinphysicsthat“duringtheprecedingyear,shallhaveconferredthegreatestbenefitonmankind”.therefore,wearedeeplyhonouredthatthedreamofledlightinghasnowbeeareality,andisgreatlybenefitingmankind.
nowadayswecanbuyenergyefficientledlightbulbsatthesupermarketandhelpreduceenergyuse.ledlightingis10timesmoreefficientthanconventionalincandescentlampsowecandrasticallyreduceenergyconsumption.ibelievethatledlightingcanalsoreduceglobalwarmingtoo.
inaddition,bybiningledwithsolarcellwecangivesustainablelightingtothe1.5billionpeoplewithoutelectricitythat’scosteffective,clean,andsafe–trulylightingtheworld.
mycolleagueatucsb,andphysicsnobellaureatein2000,professorherbertkromersaidaboutledlighting:“wearenotjusttalkingaboutdoingthingsbetter,butaboutdoingthingswenevercouldbefore.youhaveforveverchangedtheworld,noweverypersoncanexperienceledlighting”.
ificantellyoualittlestoryofencouragement…whenwebeganworkontheblueledinthe1980s,weweretoldagainandagainthatwhatweweretryingtodowasimpossible.
still,wepersevered,workinghardformanyhoursandyearstodevelopthisnewtechnology.
afterthebreakthroughsinmakingthebrightblueledbyprofessorsakasaki,amanoandmyself,anexplosionofresearchactivityoccurred.thousandsofresearchersjoinedthefieldandappliedtheledtomanyfieldssuchasmobilephonescreens,ledtelevision,andledlighting.
alongwithprofessorisamuakasakiandprofessorhiroshiamano,iwouldliketothanktheswedishroyalacademyagainforawardedthisprizetoourinventionofblueledandenergyefficientledlights.iwouldalsoliketothankallmycolleaguesatnichiaanducsbandmyfamilyforlettingmeworksohard.
today,ihopethateveryonecannowuseefficientandledlightingtosaveenergy!
thankyou!(tack)
