MULTIPLE DISTRIBUTED BRAGG REFLECTOR PIXEL ARRAY
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United States of America Patent
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Oct 10, 2024
app pub date -
Apr 6, 2023
filing date -
Apr 6, 2023
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Abstract
A microcavity pixel array device and fabrication method having a shared multi-DBR system configured to cover a wide spectral bandwidth range. A wide emission waveband is achieved by depositing a first DBR on top of an OLED array and subsequently depositing a second DBR on top of the first DBR, with each DBR having a unique design. The multi-DBR covers a wider spectral bandwidth range than a single DBR, therefore achieving nearly total reflection for a range of OLEDs designed at different color wavelengths.
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