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ACQUIRED TECHNOLOGY (Details) (USD $)
0 Months Ended
Mar. 10, 2011
Jul. 23, 2012
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]        
Acquired technology, gross     $ 126,852,000us-gaap_FiniteLivedIntangibleAssetsGross $ 126,852,000us-gaap_FiniteLivedIntangibleAssetsGross
Less: Accumulated amortization     (43,838,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (32,841,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Acquired technology net     83,014,000us-gaap_FiniteLivedIntangibleAssetsNet 94,011,000us-gaap_FiniteLivedIntangibleAssetsNet
PD LD, Inc [Member]        
Finite-Lived Intangible Assets [Line Items]        
Acquired technology, gross     1,481,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_PdLdIncMember
1,481,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_PdLdIncMember
Motorola [Member]        
Finite-Lived Intangible Assets [Line Items]        
Acquired technology, gross     15,909,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_MotorolaMember
15,909,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_MotorolaMember
Motorola [Member] | Licensing Agreements [Member]        
Finite-Lived Intangible Assets [Line Items]        
Number of patents under license agreement     74oled_NumberOfPatentsUnderLicenseAgreement
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_LicensingAgreementsMember
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_MotorolaMember
 
Amortization period of acquired intangible assets (in years) 7 years 6 months      
FUJIFILM [Member]        
Finite-Lived Intangible Assets [Line Items]        
Acquired technology, gross     109,462,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_FujifilmMember
109,462,000us-gaap_FiniteLivedIntangibleAssetsGross
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_FujifilmMember
FUJIFILM [Member] | Patents [Member]        
FUJIFILM Patent Acquisition [Abstract]        
Assigned value of acquired intangible assets   105,000,000us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_FujifilmMember
   
Cash paid for OLED patents   $ 4,500,000oled_FiniteLivedIntangibleAssetsAcquiredOtherAcquisitionCosts
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_FujifilmMember
   
OLED patents useful life   10 years    
FUJIFILM [Member] | Patents [Member] | Minimum [Member]        
FUJIFILM Patent Acquisition [Abstract]        
Number of patents acquired   1,200oled_NumberOfPatentsAcquired
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
/ oled_FiniteLivedIntangibleAssetsPurchasedFromAxis
= oled_FujifilmMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember