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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>0001104659-10-061795.txt : 20101208
<SEC-HEADER>0001104659-10-061795.hdr.sgml : 20101208
<ACCEPTANCE-DATETIME>20101208192248
ACCESSION NUMBER:		0001104659-10-061795
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101208
FILED AS OF DATE:		20101208
DATE AS OF CHANGE:		20101208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Yeh Shung-Chiang (Jack)
		CENTRAL INDEX KEY:			0001506961

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34992
		FILM NUMBER:		101240958

	MAIL ADDRESS:	
		STREET 1:		3F, NO. 11 KE JUNG RD., CHU-NAN SITE
		STREET 2:		HSINCHU SCIENCE PARK, MIAO-LI COUNTY
		CITY:			CHU-NAN
		STATE:			F5
		ZIP:			350

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SemiLEDs Corp
		CENTRAL INDEX KEY:			0001333822
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				202735523

	BUSINESS ADDRESS:	
		STREET 1:		3F, NO. 11 KE JUNG RD., CHU-NAN SITE
		STREET 2:		HSINCHU SCIENCE PARK, MIAO-LI COUNTY
		CITY:			CHU-NAN
		STATE:			F5
		ZIP:			350
		BUSINESS PHONE:		886-37-586788

	MAIL ADDRESS:	
		STREET 1:		3F, NO. 11 KE JUNG RD., CHU-NAN SITE
		STREET 2:		HSINCHU SCIENCE PARK, MIAO-LI COUNTY
		CITY:			CHU-NAN
		STATE:			F5
		ZIP:			350
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>a3.xml
<DESCRIPTION>3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-12-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001333822</issuerCik>
        <issuerName>SemiLEDs Corp</issuerName>
        <issuerTradingSymbol>LEDS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001506961</rptOwnerCik>
            <rptOwnerName>Yeh Shung-Chiang (Jack)</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3F, NO. 11 KE JUNG RD., CHU-NAN SITE</rptOwnerStreet1>
            <rptOwnerStreet2>HSINCHU SCIENCE PARK, MIAO-LI COUNTY</rptOwnerStreet2>
            <rptOwnerCity>CHU-NAN</rptOwnerCity>
            <rptOwnerState>F5</rptOwnerState>
            <rptOwnerZipCode>350</rptOwnerZipCode>
            <rptOwnerStateDescription>TAIWAN, PROVINCE OF CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Sales and Marketing Div.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>59285</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.84</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-09-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10357</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.91</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-02-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3571</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The issuer intends to file a Restated Certificate of Incorporation in the State of Delaware after the effectiveness of the issuer's registration statement on Form S-1, which shall provide that each share of Class A Common Stock shall be automatically reclassified as and converted into one share of Common Stock upon the filing of such Restated Certificate of Incorporation.</footnote>
        <footnote id="F2">The option shares vest and become exercisable in four equal successive annual installments over the next 48 months of continuous service after September 1, 2008.</footnote>
        <footnote id="F3">The option shares vest and become exercisable in four equal successive annual installments over the next 48 months of continuous service after February 10, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Shung-Chiang (Jack) Yeh</signatureName>
        <signatureDate>2010-12-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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