EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors
Universal Display Corporation:

We consent to the incorporation by reference in the registration statements on
Form S-3 (Nos. 333-120737, 333-112077, 333-101733, 333-88950, 333-74854,
333-72846, 333-50990, 333-48810, 333-40760 and 333-27901), Form S-8 (Nos.
333-112067 and 333-92649) and Form SB-2 (No. 333-81983) of Universal Display
Corporation of our reports dated March 11, 2005, with respect to the
consolidated balance sheets of Universal Display Corporation and subsidiary as
of December 31, 2004 and 2003, and the related consolidated statements of
operations, shareholders' equity and cash flows for each of the years in the
three-year period ended December 31, 2004, management's assessment of the
effectiveness of internal control over financial reporting as of December 31,
2004 and the effectiveness of internal control over financial reporting as of
December 31, 2004, which reports appear in the December 31, 2004 annual report
on Form 10-K of Universal Display Corporation.

/s/ KPMG LLP
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Philadelphia, Pennsylvania
March 11, 2005