<SEC-DOCUMENT>0001005284-19-000021.txt : 20190212
<SEC-HEADER>0001005284-19-000021.hdr.sgml : 20190212
<ACCEPTANCE-DATETIME>20190212163106
ACCESSION NUMBER:		0001005284-19-000021
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190212
DATE AS OF CHANGE:		20190212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSENBLATT SIDNEY D
		CENTRAL INDEX KEY:			0001232978

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12031
		FILM NUMBER:		19591309

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
</SEC-HEADER>
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        <issuerName>UNIVERSAL DISPLAY CORP \PA\</issuerName>
        <issuerTradingSymbol>OLED</issuerTradingSymbol>
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            <rptOwnerName>ROSENBLATT SIDNEY D</rptOwnerName>
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            <rptOwnerStreet2>375 PHILLIPS BLVD.</rptOwnerStreet2>
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            <rptOwnerState>NJ</rptOwnerState>
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                <directOrIndirectOwnership>
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                <natureOfOwnership>
                    <value>By Grantor Retained Annuity Trust</value>
                    <footnoteId id="F4"/>
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        </nonDerivativeHolding>
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            <securityTitle>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>By Family Limited Partnership</value>
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        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
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        </nonDerivativeHolding>
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    <footnotes>
        <footnote id="F1">These shares were acquired under the Universal Display Corporation Employee Stock Purchase Plan.</footnote>
        <footnote id="F2">These shares were transferred to Mr. Rosenblatt's Grantor Retained Annuity Trust on September 4, 2018.</footnote>
        <footnote id="F3">Includes 4,009 shares transferred from Mr. Rosenblatt on September 4, 2018 to the following GRAT: The Sidney Rosenblatt September 2018 Annuity Trust dated as of September 4, 2018. Mr. Rosenblatt is trustee and beneficiary of such Grantor Retained Annuity Trust.</footnote>
        <footnote id="F4">These shares are held by the following GRATs: The Sidney Rosenblatt June 2016 Annuity Trust dated as of June 20, 2016 (4,649 shares); The Sidney Rosenblatt July 2017 Annuity Trust dated as of July 19, 2017 (39,240 shares); The Sidney Rosenblatt December 2017 Annuity Trust dated as of December 26, 2017 (2,599 shares); The Sidney Rosenblatt September 2018 Annuity Trust dated as of September 4, 2018 (20,049 shares); and The Sidney Rosenblatt December 2018 Annuity Trust dated as of December 26, 2018 (3,401 shares). Mr. Rosenblatt is trustee and beneficiary of each such Grantor Retained Annuity Trust.</footnote>
        <footnote id="F5">These shares are held by the Rosenblatt Family Limited Partnership, a limited partnership of which Mr. Rosenblatt is the sole general partner and he and his children are the sole limited partners.</footnote>
        <footnote id="F6">These shares are held by Mr. Rosenblatt's spouse and are being reported as beneficially owned by him.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sidney D. Rosenblatt</signatureName>
        <signatureDate>2019-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
