The object
Ching Wan Tang co-invented the practical OLED device structure used in flat-panel displays. The two-layer OLED architecture made efficient organic display pixels practical, underpinning thin emissive screens now used in phones, televisions, vehicle panels and wearable hardware.
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What Ching did
Co-invented the practical OLED device structure used in flat-panel displays.
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Why it matters
NIHF identifies Tang's OLED structure as the practical basis for flat-panel emissive displays.
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Living-status check
Cornell University's January 2025 inventor feature, updated February 2026, identifies Tang as a University of Rochester professor emeritus, a current institutional role.