OLED-based display having pixel compensation and method

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United States of America Patent

PATENT NO 11862095
APP PUB NO 20220406258A1
SERIAL NO

17840375

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Abstract

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An OLED display system having compensation or loss of brightness is provided, including OLED-based display pixels, a sensing system having sensors, a processor having an LIA, an LPF, and analog to digital circuitry connected to each sensor and for providing a sensor signal for each sensor. The processor is adapted to apply a drive signal having a periodic signal to at least one OLED pixel in the display, receive the sensor signal, provide a primary frequency component from the sensor signals using the LIA based on the periodic signal, provide secondary frequency components from the sensor signals using the LPF, convert the secondary frequency components to a digital signal using the ADC, provide the digital signal to the processor as a sensing signal, and determine compensation for the drive signal. A method is also provided.

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Patent Owner(s)

Patent OwnerAddress
EMAGIN CORPORATION700 SOUTH DRIVE SUITE 201 HOPEWELL JUNCTION NY 12533

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ghosh, Amalkumar P Hopewell Junction, US 70 1387
Kim, Seonki Fishkill, US 9 31
Kwon, Hyuk Sang Sunnyvale, US 6 1
Prache, Olivier Pleasantville, US 15 533

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