UNIVERSAL DISPLAY CORP \PA\ — Director's Dealing 2010

Jan 12, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (PANL)
CIK: 0001005284
Period of Report: 2010-01-09

Reporting Person: SELIGSOHN SHERWIN I (Director, Chairman of Board and Founder)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-01-09	Common Stock	F	2419	$14.24	Disposed	258940	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	176000	Indirect
Common Stock	21000	Indirect

Footnotes

F1: These shares were withheld to satisfy a tax liability in connection with the vesting, on January 9, 2010, of 8,198 shares of restricted stock previously granted to Mr. Seligsohn.

F2: American Biomimetics Corporation, of which Mr. Seligsohn is the sole Director, Chairman, President and Secretary.

F3: The Seligsohn Foundation, of which Mr. Seligsohn is the sole trustee.