SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  FORM 10-Q/A-1

                       AMENDMENT NO. 1 TO QUARTERLY REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                For the quarterly period ended September 30, 2000
                                               ------------------

                         Commission file number: 1-12031
                                                 -------

                          UNIVERSAL DISPLAY CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

                 Pennsylvania                            23-2372688
        -------------------------------              -------------------
        (State or other jurisdiction of               (I.R.S. Employer
        incorporation or organization)               Identification No.)

                               375 Phillips Blvd.
                                 Ewing, NJ 08618
                    ----------------------------------------
                    (Address of principal executive offices)

                                  609-671-0980
              ----------------------------------------------------
              (Registrant's telephone number including area code:)

                                 Not Applicable
     ----------------------------------------------------------------------
     (Former name, former address, and former fiscal year, if changed since
                                  last report)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days. Yes X No
                                      ---  ---

Indicate the number of shares outstanding of each of the registrant's classes of
common stock, as of the latest practicable date.

Title                                        Outstanding as of November 12, 2001
- -------------------------------------        -----------------------------------
Common Stock par value $.01 per share        17,047,080

This Amendment No. 1 is filed to amend and restate in its entirety Item 6(a) of
Part II and to file certain exhibits.



ITEM 6.  Exhibits and Reports on Form 8-K

         (a)      Exhibits

     3.1   Articles of Amendment to the Registrant's Articles of Incorporation
           filed with the Department of State of the Commonwealth of
           Pennsylvania on July 31, 2000.*

     3.2   Articles of Amendment to the Registrant's Articles of Incorporation
           filed with the Department of State of the Commonwealth of
           Pennsylvania on September 29, 2000.*

     10.1  License Agreement between the Registrant and Motorola, Inc. dated as
           of September 27, 2000 (Portions of this Exhibit were omitted and
           filed separately with the Secretary of the Commission pursuant to an
           application for confidential treatment filed with the Commission
           pursuant to Rule 24b-2 under the Securities Exchange Act of 1934, as
           amended) *

     10.2  Termination, Amendment and License Agreement by and among the
           Registrant, PD-LD, Inc., Dr. Vladimir S. Ban, and The Trustees of
           Princeton University dated as of July 19, 2000 (Portions of this
           Exhibit were omitted and filed separately with the Secretary of the
           Commission pursuant to an application for confidential treatment
           filed with the Commission pursuant to Rule 24b-2 under the Securities
           Exchange Act of 1934, as amended) *

     27    Financial Data Schedule #

- ---------------------

*  Filed herewith.
#  Previously filed.


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                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this Amendment No. 1 to Form 10-Q to be signed on its
behalf by the undersigned, thereunto duly authorized.



                                       UNIVERSAL DISPLAY CORPORATION



November 19, 2001                      By: /s/ Sidney D. Rosenblatt
- -----------------                          -------------------------------------
                                              Sidney D. Rosenblatt
                                              Executive Vice President, Chief
                                              Financial Officer, Treasurer and
                                              Secretary





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