Exhibit 10.10


                  AMENDMENT NO. 2 TO STOCK OPTION AGREEMENT
                  -----------------------------------------


      AMENDMENT NO. 2 TO STOCK OPTION  AGREEMENT dated as of June 27, 2005, by
and between  Energy  Conversion  Devices,  Inc., a Delaware  corporation  (the
"Company"), and Stanford R. Ovshinsky (the "Executive").
--------                                    ---------

      The Company and the Executive are parties to a Stock Option Agreement
dated as of November 18, 1993, as amended as of November 10, 1995 (the "Stock
Option Agreement"), pursuant to which the Executive has been granted the right
to purchase certain shares of the Common Stock, par value $.01 per share (the
"Common Stock"), and Class A Common Stock, par value $.01 per share (the "Class
A Common Stock"), of the Company. All capitalized terms used without definition
in this Agreement will have the respective meanings set forth in the Stock
Option Agreement.

      The parties hereto agree as follows:

      1. A total of 528,088 shares of Common Stock are issuable as of the date
of this Agreement upon the exercise in full of the Option and all additional
stock options granted to the Executive pursuant to Section 3.2 of the Stock
Option Agreement on or prior to the date of this Agreement. In accordance with
the Stock Option Agreement, the Executive has the right to exercise the Option
and such additional stock options for up to a total of 126,082 shares of Class A
Common Stock in lieu of an equivalent number of shares of Common Stock.

      2. The Stock Option Agreement is hereby amended by deleting Section 3.2
thereof in its entirety. The Executive acknowledges that the Company will not
have any further obligation to grant additional stock options to the Executive
pursuant to Section 3.2 of the Stock Option Agreement on or after the date of
this Agreement.

      3. In consideration of the agreements by the Executive contained herein,
the Company hereby agrees to grant to the Executive as of the date of this
Agreement stock options exercisable for a total of 100,000 shares of Common
Stock pursuant to the Energy Conversion Devices, Inc. 2000 Non-Qualified Stock
Option Plan (the "Plan"). The foregoing stock options will provide for an
exercise price of $22.18 per share and will be governed in all respects by the
terms and conditions of the Plan and the grant agreement evidencing the grant of
the stock options to the Executive.

      4. Except as expressly set forth herein, the Stock Option Agreement will
continue in full force and effective in accordance with its terms and
conditions.




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      IN WITNESS WHEREOF, the undersigned have executed and delivered this
Agreement as of the day and year first written above.


                                    ENERGY CONVERSION DEVICES, INC.

                                    By /s/ Robert C. Stempel
                                    ------------------------
                                    Its Chairman
                                    ------------


                                    /s/ Stanford R. Ovshinsky
                                    -------------------------
                                      Stanford R. Ovshinsky























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