COMMITMENTS AND CONTINGENCIES (Details) (Commitment With Executive Officers [Member])	Dec. 31, 2014 multiple executive_officer
Commitment With Executive Officers [Member]
Loss Contingencies [Line Items]
Number of executive officers under agreement	6
Multiple of sum of average annual base salary and bonus agreement terms	2

The multiple of the sum of the average annual base salary and bonus of the officer, which comprises the lump-sum cash payment to which each executive is entitled, under the agreement.

No definition available.

Name:	oled_MultipleOfSumOfAverageAnnualBaseSalaryAndBonusAgreementTerms
Namespace Prefix:	oled_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant