28‐3: Distinguished Paper: New Pixel Driving Circuit Using Self‐discharging Compensation Method for High‐Resolution OLED Microdisplays on a Silicon Backplane

A novel 4T2C pixel circuit is proposed to realize a high‐resolution 7.8‐µm pixel pitch OLED microdisplay. In order to achieve high luminance uniformity, the pixel circuit compensates its Vth variation of the MOSFET for the driving transistor internally by using self‐discharging method. 0.5‐inch Quad...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2017-05, Vol.48 (1), p.398-402
Main Authors: Kimura, Kei, Onoyama, Yusuke, Tanaka, Taizo, Toyomura, Naobumi, Kitagawa, Hideyuki
Format: Article
Language:English
Subjects:
Active-Matrix Device
Architecture
Circuits
Compensation
Discharge
Driving Method
High resolution
Luminance
Microdisplay
Near-to-Eye
OLED
Organic light emitting diodes
Silicon
Variability
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Summary:A novel 4T2C pixel circuit is proposed to realize a high‐resolution 7.8‐µm pixel pitch OLED microdisplay. In order to achieve high luminance uniformity, the pixel circuit compensates its Vth variation of the MOSFET for the driving transistor internally by using self‐discharging method. 0.5‐inch Quad‐VGA and 1.25‐inch Wide Quad‐XGA microdisplays with the proposed compensation architecture are also presented.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.11624