<SEC-DOCUMENT>0000919574-15-005667.txt : 20150805
<SEC-HEADER>0000919574-15-005667.hdr.sgml : 20150805
<ACCEPTANCE-DATETIME>20150805180459
ACCESSION NUMBER:		0000919574-15-005667
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150803
FILED AS OF DATE:		20150805
DATE AS OF CHANGE:		20150805

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIVERSAL DISPLAY CORP \PA\
		CENTRAL INDEX KEY:			0001005284
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				232372688
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		375 PHILLIPS BOULEVARD
		CITY:			EWING
		STATE:			NJ
		ZIP:			08618
		BUSINESS PHONE:		6096710980

	MAIL ADDRESS:	
		STREET 1:		375 PHILLIPS BOULEVARD
		STREET 2:		375 PHILLIPS BOULEVARD
		CITY:			EWING
		STATE:			NJ
		ZIP:			08618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Citrone Robert K.
		CENTRAL INDEX KEY:			0001528766

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12031
		FILM NUMBER:		151030323

	MAIL ADDRESS:	
		STREET 1:		20 MARSHALL STREET
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06854

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DISCOVERY CAPITAL MANAGEMENT, LLC / CT
		CENTRAL INDEX KEY:			0001389507
		STATE OF INCORPORATION:			CT

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12031
		FILM NUMBER:		151030324

	BUSINESS ADDRESS:	
		STREET 1:		20 MARSHALL STREET
		STREET 2:		SUITE 310
		CITY:			SOUTH NORWALK
		STATE:			CT
		ZIP:			06854
		BUSINESS PHONE:		203-956-7953

	MAIL ADDRESS:	
		STREET 1:		20 MARSHALL STREET
		STREET 2:		SUITE 310
		CITY:			SOUTH NORWALK
		STATE:			CT
		ZIP:			06854
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>p6746475.xml
<DESCRIPTION>DISCOVERY / OLED
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-08-03</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001005284</issuerCik>
        <issuerName>UNIVERSAL DISPLAY CORP \PA\</issuerName>
        <issuerTradingSymbol>OLED</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001389507</rptOwnerCik>
            <rptOwnerName>DISCOVERY CAPITAL MANAGEMENT, LLC / CT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20 MARSHALL STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 310</rptOwnerStreet2>
            <rptOwnerCity>SOUTH NORWALK</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06854</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001528766</rptOwnerCik>
            <rptOwnerName>Citrone Robert K.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DISCOVERY CAPITAL MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>20 MARSHALL STREET, SUITE 310</rptOwnerStreet2>
            <rptOwnerCity>SOUTH NORWALK</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06854</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-08-03</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2015-08-03</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>187397</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>47.65</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4601832</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-08-04</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2015-08-04</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>138313</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>46.28</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4463519</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-08-05</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2015-08-05</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>449345</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>46.37</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4014174</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>682333</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F6"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported price is the weighted average sale price for sales on August 3, 2015 by the Reporting Persons. The actual prices of such sales ranged from $47.11 to $47.715. The Reporting Persons undertake to provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F2">The Common Shares are directly owned by certain private investment vehicles managed by Discovery Capital Management, LLC and may be deemed beneficially owned by Discovery Capital Management, LLC, as the investment manager of such private investment vehicles and also may be deemed beneficially owned by Robert K. Citrone, as the Managing Member of Discovery Capital Management, LLC. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F3">The reported price is the weighted average sale price for sales on August 4, 2015 by the Reporting Persons. The actual prices of such sales ranged from $46.285 to $46.98. The Reporting Persons undertake to provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F4">The reported price is the weighted average sale price for sales on August 5, 2015 by the Reporting Persons. The actual prices of such sales ranged from $46.3701 to $46.7179. The Reporting Persons undertake to provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F5">The reported securities are directly owned by certain private investment vehicles managed by an entity of which Robert K. Citrone is a managing member and therefore, may be deemed beneficially owned by Robert K. Citrone, in his capacity as a managing member. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F6">These securities are directly owned by Robert K. Citrone.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Discovery Capital Management, LLC., By: /s/ Robert K. Citrone, Managing Member</signatureName>
        <signatureDate>2015-08-05</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Robert K. Citrone</signatureName>
        <signatureDate>2015-08-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
