SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.     )*

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number of Class of Securities)

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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SCHEDULE 13G

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SCHEDULE 13G

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SCHEDULE 13G

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SCHEDULE 13G

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SCHEDULE 13G

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Uni-Pixel, Inc. (the “Issuer”)

8708 Technology Forest Place, Suite 100

The Woodlands, Texas 77381

Kevin Douglas

Michelle Douglas

125 E. Sir Francis Drake Blvd., Ste 400

Larkspur, CA 94939

United States

Common Stock, $0.001 par value

904572203

K&M Douglas Trust

Douglas Family Trust

James Douglas and Jean Douglas Irrevocable Descendants’ Trust

125 E. Sir Francis Drake Blvd., Ste 400

Larkspur, CA 94939

California

Common Stock, $0.001 par value

904572203

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Not Applicable.

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Reference is made as to each of the Reporting Persons hereunder to Rows 5-9 and 11 of each of the cover pages of this Schedule 13G and associated footnotes, which are incorporated by reference herein.

Each of the Reporting Persons hereunder may be deemed a member of a “group” within the meaning of Section 13(d)(3) of the Exchange Act, or Rule 13d-5 promulgated under the Exchange Act with one or more of the other Reporting Persons hereunder. Although the Reporting Persons are reporting such securities as if they were members of a “group,” the filing of this Schedule 13G shall not be construed as an admission by any Reporting Person that such Reporting Person is a beneficial owner of any securities other than those directly held by such Reporting Person.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ¨

Not applicable.

Not applicable.

See Item 4 of this Schedule 13G and the Joint Filing Agreement attached hereto as Exhibit A.

Not applicable.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the Issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

EXHIBIT A

JOINT FILING AGREEMENT

This Joint Filing Agreement (this “Agreement”) hereby confirms the agreement by and among all of the undersigned that the Schedule 13G to which this Agreement is attached as Exhibit A with respect to the beneficial ownership of the undersigned of shares Common Stock of Uni-Pixel, Inc. is being filed on behalf of each of the undersigned. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

LIMITED POWER OF ATTORNEY FOR

REPORTING OBLIGATIONS UNDER SECTIONS 13(D) AND 13(G) OF THE SECURITIES EXCHANGE ACT OF 1934

The undersigned hereby make, constitute and appoint each of Tim McGaw, Eileen Wheatman and Kevin Douglas, acting either individually or together, as each of the undersigned’s true and lawful attorneys-in-fact, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each of the undersigned to:

(1) prepare, execute, acknowledge, deliver and file Schedules 13D and 13G (including any amendments thereto) with respect to the securities of Uni-Pixel, Inc., a corporation formed under the laws of the State of Delaware (the “Company”), with the U.S. Securities and Exchange Commission, any national securities exchanges and the Company, as considered necessary or advisable under Sections 13(d) or 13(g) of the Securities Exchange Act of 1934 (the “Exchange Act”) and the rules and regulations promulgated thereunder (including, without limitation, Regulation 13D-G);

(2) seek or obtain, as each of the undersigned’s representative and on each of the undersigned’s behalf, information on transactions in the Company’s securities from any third party, including brokers, employee benefit plan administrators and trustees, in connection with the foregoing, and the undersigned hereby authorizes any such person to release any such information to any of the attorneys-in-fact and approve and ratify any such release of information; and

(3) perform any and all other acts which in the discretion of such attorney-in-fact are necessary or desirable for and on behalf of the undersigned in connection with the foregoing.

The undersigned acknowledge that:

(1) this Limited Power of Attorney authorizes, but does not require, each such attorney-in-fact to act in his or her discretion on information provided to such attorney-in-fact without independent verification of such information;

(2) any documents prepared and/or executed by any such attorney-in-fact on behalf of the undersigned pursuant to this Limited Power of Attorney will be in such form and will contain such information and disclosure as such attorney-in-fact, in his or her discretion, deems necessary or desirable;

(3) none of such attorneys-in-fact assumes (i) any liability for any responsibility of the undersigned to comply with the requirements of the Exchange Act, or (ii) any liability of the undersigned for any failure to comply with such requirements; and

(4) this Limited Power of Attorney does not relieve the undersigned from responsibility for compliance with the obligations of the undersigned under the Exchange Act, including without limitation the reporting requirements under Sections 13(d) and 13(g) of the Exchange Act and Regulation 13D-G promulgated thereunder.

The undersigned hereby give and grant each of the foregoing attorneys-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary, appropriate or desirable to be done in and about the foregoing matters as fully to all intents and purposes as the undersigned might or could do if present, hereby ratifying all that each such attorney-in-fact of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Limited Power of Attorney.

This Limited Power of Attorney shall remain in full force and effect until the undersigned are no longer required to file Schedules 13D or 13G with respect to the undersigned’s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to each such attorney-in-fact.

The undersigned have caused this Limited Power of Attorney to be executed as of this 10th day of December, 2012.