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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

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 (MM/DD/YYYY)

5/22/2017
(Street)

EWING, NJ 08618
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/22/2017     G    450   D $0   361496   D  
 
Common Stock   6/28/2017     G    45   D $0   361451   D  
 
Common Stock   7/19/2017     G    55280   (1) D $0   312935   (2) D  
 
Common Stock   7/19/2017     G    24930   (3) D $0   66614   (4) I   By Grantor Retained Annuity Trust   (5)
Common Stock                  0   (6) I   By Individuals  
Common Stock                  110836   (7) I   By Family Limited Partnership  
Common Stock                  23000   (8) I   By Spouse  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(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.

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 7/21/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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