<SEC-DOCUMENT>0001209191-22-002661.txt : 20220110
<SEC-HEADER>0001209191-22-002661.hdr.sgml : 20220110
<ACCEPTANCE-DATETIME>20220110124840
ACCESSION NUMBER:		0001209191-22-002661
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220106
FILED AS OF DATE:		20220110
DATE AS OF CHANGE:		20220110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Diddell Wendy
		CENTRAL INDEX KEY:			0001291981

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12906
		FILM NUMBER:		22520568

	MAIL ADDRESS:	
		STREET 1:		C/O RICHARDSON ELECTRONICS, LTD.
		STREET 2:		PO BOX 393, 40W267 KESLINGER ROAD
		CITY:			LAFOX
		STATE:			IL
		ZIP:			60147

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RICHARDSON ELECTRONICS LTD/DE
		CENTRAL INDEX KEY:			0000355948
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-ELECTRONIC PARTS & EQUIPMENT, NEC [5065]
		IRS NUMBER:				362096643
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0528

	BUSINESS ADDRESS:	
		STREET 1:		40W267 KESLINGER RD
		STREET 2:		PO BOX 393
		CITY:			LAFOX
		STATE:			IL
		ZIP:			60147
		BUSINESS PHONE:		630 208-2200

	MAIL ADDRESS:	
		STREET 1:		40W267 KESLINGER ROAD
		STREET 2:		P.O. BOX 393
		CITY:			LAFOX
		STATE:			IL
		ZIP:			60147
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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        <issuerName>RICHARDSON ELECTRONICS LTD/DE</issuerName>
        <issuerTradingSymbol>RELL</issuerTradingSymbol>
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            <rptOwnerName>Diddell Wendy</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>40W267 KESLINGER ROAD PO BOX 393</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAFOX</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60147</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <transactionDate>
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            </transactionDate>
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                <footnoteId id="F1"/>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.14</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>115799</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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            <transactionDate>
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            </transactionDate>
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                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.77</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-01-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11639</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-10-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11639</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>13361</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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            </securityTitle>
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            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-01-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2023-10-08</value>
            </expirationDate>
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                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>12000</value>
                </underlyingSecurityShares>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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                    <value>D</value>
                </directOrIndirectOwnership>
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                <value>Employee Stock Option (Right to Buy)</value>
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                <value>2022-01-07</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-10-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These transactions were effected pursuant to a trading plan previously adopted by the reporting person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934 (the &quot;10b5-1 Plan&quot;). Accordingly, the reporting person had no discretion with regard to the timing of the transaction.</footnote>
        <footnote id="F2">The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.50 to $14.99 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F3">The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $14.50 to $15.30 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F4">Options vest 20% per year, beginning 10/9/2013</footnote>
        <footnote id="F5">Options vest 20% per year, beginning 10/8/2014</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Wendy S. Diddell</signatureName>
        <signatureDate>2022-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
