-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-10-010272.txt : 20100305
<SEC-HEADER>0001140361-10-010272.hdr.sgml : 20100305
<ACCEPTANCE-DATETIME>20100305145019
ACCESSION NUMBER:		0001140361-10-010272
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100303
FILED AS OF DATE:		20100305
DATE AS OF CHANGE:		20100305

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGHTING SCIENCE GROUP CORP
		CENTRAL INDEX KEY:			0000866970
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				232596710
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937
		BUSINESS PHONE:		321-779-5520

	MAIL ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX GROUP CORP
		DATE OF NAME CHANGE:	20001130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX HEATHCARE CORP
		DATE OF NAME CHANGE:	19990519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IATROS HEALTH NETWORK INC
		DATE OF NAME CHANGE:	19941221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KONINKLIJKE PHILIPS ELECTRONICS NV
		CENTRAL INDEX KEY:			0000313216
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC & OTHER ELECTRICAL EQUIPMENT (NO COMPUTER EQUIP) [3600]
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20354
		FILM NUMBER:		10660324

	BUSINESS ADDRESS:	
		STREET 1:		BREITNER CENTER
		STREET 2:		AMSTELPLEIN 2
		CITY:			AMSTERDAM
		STATE:			P7
		ZIP:			1096 BC
		BUSINESS PHONE:		31 20 59 77777

	MAIL ADDRESS:	
		STREET 1:		BREITNER CENTER
		STREET 2:		AMSTELPLEIN 2
		CITY:			AMSTERDAM
		STATE:			P7
		ZIP:			1096 BC

	FORMER NAME:	
		FORMER CONFORMED NAME:	PHILIPS ELECTRONICS N V
		DATE OF NAME CHANGE:	19930727

	FORMER NAME:	
		FORMER CONFORMED NAME:	PHILIPS NV
		DATE OF NAME CHANGE:	19910903
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000866970</issuerCik>
        <issuerName>LIGHTING SCIENCE GROUP CORP</issuerName>
        <issuerTradingSymbol>LSCG.PK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000313216</rptOwnerCik>
            <rptOwnerName>KONINKLIJKE PHILIPS ELECTRONICS NV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BREITNER CENTER</rptOwnerStreet1>
            <rptOwnerStreet2>AMSTELPLEIN 2</rptOwnerStreet2>
            <rptOwnerCity>AMSTERDAM</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1096 BC</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Series D Non-Convertible Preferred Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5330482</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5330482</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Convertible Note</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.006</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5330482</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-03-03</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2010-03-03</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Units</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5330482</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5330482</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-03-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2022-03-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5330482</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5330482</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On August 27, 2009, in connection with a litigation settlement, the Issuer issued to the Reporting Person the Convertible Note in an aggregate amount of $5,000,000 in consideration of a $5,000,000 loan made by the Reporting Person to the Issuer.  On March 3, 2010, the Convertible Note was automatically converted into Units of the Issuer, on which date the outstanding aggregate principal and interest amount of the Convertible Note was $5,362,465.75.   Each Unit consists of (i) one share of the Issuer's Series D Non-Convertible Preferred Stock, and (ii) a Warrant to purchase one share of the Issuer's Common Stock.  After the conversion of the Convertible Note into the Units, the Reporting Person received 5,330,482 Units, which consist of (i) 5,330,482 shares of the Issuer's Series D Non-Convertible Preferred Stock, and (ii) Warrants to purchase 5,330,482 shares of the Issuer's Common Stock.</footnote>
        <footnote id="F2">The Convertible Note was not convertible at the option of the Reporting Person until the Certificate of Designation for the Series D Non-Convertible Preferred Stock was filed by the Issuer and became effective, as contemplated by the Convertible Note. The Convertible Note was not automatically convertible until the rights offering, as contemplated by the Convertible Note, was consummated or until the first business day following the date on which the Issuer provided the Reporting Person with written notice that Pegasus Partners IV, L.P. had converted its convertible note into Units. The rights offering, as contemplated by the Convertible Note, was consummated on March 3, 2010.</footnote>
        <footnote id="F3">The maturity date was the earliest of July 31, 2010 or the consummation of the rights offering, as contemplated by the Convertible Note or the first business day following the date on which the Issuer provided the Reporting Person with written notice that Pegasus Partners IV, L.P. had converted its convertible note into Units. The rights offering, as contemplated by the Convertible Note, was consummated on March 3, 2010.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marcio Barbosa, Vice President and Corporate Treasury on behalf of Koninklijke Philips Electronics N.V.</signatureName>
        <signatureDate>2010-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----