UNIVERSAL DISPLAY CORP \PA\

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

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☐Preliminary Proxy Statement

☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒Definitive Proxy Statement

☐Definitive Additional Materials

☐Soliciting Material Pursuant to §240.14a-12

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250 Phillips Boulevard

Ewing, New Jersey 08618

NOTICE OF 2026 ANNUAL MEETING OF SHAREHOLDERS

TO BE HELD JUNE 18, 2026

Dear Shareholders:

You are cordially invited to attend the 2026 Annual Meeting of Shareholders of Universal Display Corporation on Thursday, June 18, 2026 at 10:00 a.m., Eastern Time. This year’s annual meeting will be a virtual meeting via live webcast on the Internet. You will be able to attend, vote and submit your questions during the live webcast of the meeting by visiting www.virtualshareholdermeeting.com/OLED2026 and entering the 16-digit control number included in our notice of Internet availability of the proxy materials, on your proxy card or in the instructions that accompanied your proxy materials. We are holding the meeting to:

(1) Elect eleven members of our Board of Directors to hold one-year terms;

(2) Approve an advisory resolution regarding executive officer compensation;

(3) Ratify the appointment of KPMG LLP as our independent registered public accounting firm for 2026; and

(4) Transact such other business as may properly come before the meeting or any postponements or adjournments thereof.

If you were the holder of record of shares of our common stock or Series A Nonconvertible Preferred Stock at the close of business on April 6, 2026 you are entitled to notice of, and may vote at, the annual meeting. You may also vote in advance of the meeting, as described in the proxy statement. Any such shareholder on April 6, 2026 may vote at the meeting, even if he or she has already voted before the meeting.

The proxy statement and our 2025 Annual Report to Shareholders are available free of charge atir.oled.com.

We look forward to the meeting.

Sincerely,

By:

Mauro Premutico

Secretary

Ewing, New Jersey

April 23, 2026

Your vote is important. We encourage you to promptly complete, sign, date and return the proxy card, or vote by phone or on the Internet as described in the proxy statement, whether or not you expect to attend the virtual annual meeting via webcast on the Internet. If you are a shareholder of record and you attend the meeting via webcast, you may revoke your proxy and vote your shares at that time.

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250 Phillips Boulevard

Ewing, New Jersey 08618