<SEC-DOCUMENT>0001005284-19-000057-index.html : 20190328
<SEC-HEADER>0001005284-19-000057.hdr.sgml : 20190328
<ACCEPTANCE-DATETIME>20190328162449
ACCESSION NUMBER:		0001005284-19-000057
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190326
FILED AS OF DATE:		20190328
DATE AS OF CHANGE:		20190328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mahon Janice K
		CENTRAL INDEX KEY:			0001423446

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12031
		FILM NUMBER:		19712308

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

	FORMER NAME:	
		FORMER CONFORMED NAME:	DuFour Janice M
		DATE OF NAME CHANGE:	20170213

	FORMER NAME:	
		FORMER CONFORMED NAME:	Mahon Janice K
		DATE OF NAME CHANGE:	20080110

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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgar.html

Document 1 - RAW XML: edgar.xml

</DOCUMENT>
</SEC-DOCUMENT>