FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ROSENBLATT SIDNEY D   2. Issuer Name and Ticker or Trading Symbol UNIVERSAL DISPLAY CORP \PA\ [OLED] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP and CFO (Last) (First) (Middle) C/O UNIVERSAL DISPLAY CORPORATION, 375 PHILLIPS BLVD. 3. Date of Earliest Transaction (Month/Day/Year) 05/22/2017 (Street) EWING, NJ 08618 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/22/2017   G   450 D $ 0 361,496 D   Common Stock 06/28/2017   G   45 D $ 0 361,451 D   Common Stock 07/19/2017   G   55,280 (1) D $ 0 312,935 (2) D   Common Stock 07/19/2017   G   24,930 (3) D $ 0 66,614 (4) I By Grantor Retained Annuity Trust (5) Common Stock               0 (6) I By Individuals Common Stock               110,836 (7) I By Family Limited Partnership Common Stock               23,000 (8) I By Spouse

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROSENBLATT SIDNEY D C/O UNIVERSAL DISPLAY CORPORATION 375 PHILLIPS BLVD. EWING, NJ 08618	X		EVP and CFO

Signatures

/s/ Sidney. D. Rosenblatt		07/21/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Transferred to The Sidney Rosenblatt July 2017 Annuity Trust dated as of July 19, 2017, a Grantor Retained Annuity Trust of which Mr. Rosenblatt is trustee and beneficiary.
(2)	Includes 6,764 shares distributed to Mr. Rosenblatt on July 19, 2017 from Grantor Retained Annuity Trusts of which Mr. Rosenblatt is trustee and beneficiary.
(3)	These shares were distributed from The Sidney Rosenblatt June 2014 Annuity Trust to family trusts in which Mr. Rosenblatt is neither trustee nor beneficiary.
(4)	Includes 55,280 shares transferred by Mr. Rosenblatt on July 19, 2017 to The Sidney Rosenblatt July 2017 Annuity Trust dated as of July 19, 2017.
(5)	These shares are held by the following GRATs: The Sidney Rosenblatt June 2015 Annuity Trust dated as of June 18, 2015 (4,449 shares), The Sidney Rosenblatt June 2016 Annuity Trust dated as of June 20, 2016 (6,885 shares), and The Sidney Rosenblatt July 2017 Annuity Trust dated as of July 19, 2017 (55,280 shares). Mr. Rosenblatt is trustee and beneficiary of these Grantor Retained Annuity Trusts.
(6)	Mr. Rosenblatt is no longer reporting 3,250 shares that are held by Mr. Rosenblatt's children as beneficially owned by him. Such children are independent adults and not part of Mr. Rosenblatt's household.
(7)	These shares are held by the Rosenblatt Family Limited Partnership, a limited partnership of which he is the sole general partner and he and his children are the sole limited partners.
(8)	These shares are held by Mr. Rosenblatt's spouse and are being reported as beneficially owned by him.

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