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        <secFileNumber>001-12031</secFileNumber>
        <issuerAddress>
          <com:street1>250 PHILLIPS BOULEVARD</com:street1>
          <com:city>EWING</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08618</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>6096710980</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ELIAS RICHARD C</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
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      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Cowen and Company LLC</name>
          <address>
            <com:street1>599 Lexington Ave, Fl 20</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10022</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2000</noOfUnitsSold>
        <aggregateMarketValue>320000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>47346414</noOfUnitsOutstanding>
        <approxSaleDate>08/09/2023</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/30/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Equity compensation for Board services</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Universal Display Corp</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>102</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2019</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation for Board services</natureOfAcquisitionTransaction>
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        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>209</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2020</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/31/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation for Board services</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Universal Display Corp</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>366</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2022</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation for Board services</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Universal Display Corp</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>296</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2019</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation for Board services</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Universal Display Corp</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>225</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2021</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation for Board services</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Universal Display Corp</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>802</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2019</paymentDate>
        <natureOfPayment>Equity Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/09/2023</noticeDate>
        <signature>RICHARD C ELIAS</signature>
      </noticeSignature>
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text: 144
  0001438851
  XXXXXXXX
  LIVE
  0001005284
  UNIVERSAL DISPLAY CORP \PA\
  001-12031
  250 PHILLIPS BOULEVARD
  EWING
  NJ
  08618
  6096710980
  ELIAS RICHARD C
  Director
  Common
  Cowen and Company LLC
  599 Lexington Ave, Fl 20
  New York
  NY
  10022
  2000
  320000.00
  47346414
  08/09/2023
  Nasdaq
  Common
  06/30/2019
  Equity compensation for Board services
  Universal Display Corp
  N
  102
  06/30/2019
  Equity Compensation
  Common
  09/30/2020
  Equity Compensation for Board services
  Universal Display Corp
  N
  209
  09/30/2020
  Equity Compensation
  Common
  03/31/2022
  Equity Compensation for Board services
  Universal Display Corp
  N
  366
  03/31/2022
  Equity Compensation
  Common
  09/30/2019
  Equity Compensation for Board services
  Universal Display Corp
  N
  296
  09/30/2019
  Equity Compensation
  Common
  12/31/2021
  Equity Compensation for Board services
  Universal Display Corp
  N
  225
  12/31/2021
  Equity Compensation
  Common
  09/30/2019
  Equity Compensation for Board services
  Universal Display Corp
  N
  802
  09/30/2019
  Equity Compensation
  Y
  08/09/2023
  RICHARD C ELIAS