<SEC-DOCUMENT>0000032878-12-000028.txt : 20120224
<SEC-HEADER>0000032878-12-000028.hdr.sgml : 20120224
<ACCEPTANCE-DATETIME>20120224160429
ACCESSION NUMBER:		0000032878-12-000028
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120223
FILED AS OF DATE:		20120224
DATE AS OF CHANGE:		20120224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RABINOWITZ STEPHEN
		CENTRAL INDEX KEY:			0001197801

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08403
		FILM NUMBER:		12638173

	MAIL ADDRESS:	
		STREET 1:		8473 BAY COLONY DR
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34108

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERGY CONVERSION DEVICES INC
		CENTRAL INDEX KEY:			0000032878
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				381749884
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		3800 LAPEER ROAD
		CITY:			AUBURN HILLS
		STATE:			MI
		ZIP:			48326
		BUSINESS PHONE:		248-475-0100

	MAIL ADDRESS:	
		STREET 1:		3800 LAPEER ROAD
		CITY:			AUBURN HILLS
		STATE:			MI
		ZIP:			48326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERGY CONVERSION LABORATORIES INC
		DATE OF NAME CHANGE:	19710603
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-02-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000032878</issuerCik>
        <issuerName>ENERGY CONVERSION DEVICES INC</issuerName>
        <issuerTradingSymbol>ENER</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197801</rptOwnerCik>
            <rptOwnerName>RABINOWITZ STEPHEN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3800 LAPEER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AUBURN HILLS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48326</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-02-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6651</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42657</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 39,840 shares of deferred stock units (DSUs) and 2,817 shares of restricted stock awards (RSAs).  The DSUs and RSAs will be paid out as common stock on a one-for-one basis upon the termination of the reporting person's status as a director of ECD.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Ghazaleh Koefod  For: Stephen Rabinowitz</signatureName>
        <signatureDate>2012-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
