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A Simple Pixel Circuit for Ultra High Resolution Active Matrix OLED-on-Silicon (OLEDoS) Microdisplays with Highly Uniform Luminance

Title
A Simple Pixel Circuit for Ultra High Resolution Active Matrix OLED-on-Silicon (OLEDoS) Microdisplays with Highly Uniform Luminance
Author
권오경
Keywords
ORGANIC light emitting diodes; AMOLED; OLED-on-silicon; Microdisplay; High resolution display; Pixel circuit
Issue Date
2015-06
Publisher
Society for information display
Citation
SID Symposium Digest of Technical Papers; Jun2015, Vol. 46 Issue 1, p164-167, 4p
Abstract
In this paper, a simple pixel circuit is proposed for the high resolution organic light emitting diode-on-silicon (OLEDoS) microdisplay. The proposed pixel circuit achieves a wide input data voltage range using the body effect and suppresses the emission current deviation due to the threshold voltage variation of the driving transistor using the capacitive coupling effect. The proposed pixel circuit which consists of three n-type MOSFETs and one storage capacitor occupies an area of 3 μm × 9 μm. The simulated results show that the proposed pixel circuit achieves maximum input data voltage ranges of 1.37 V, 1.51 V, and 1.34 V for red, green, and blue OLED, respectively, from 1-gray to 255-gray level, and the emission current error ranges from −2.85% to +2.96% under the threshold voltage variation of ±5 mV. [ABSTRACT FROM AUTHOR]
URI
http://onlinelibrary.wiley.com/doi/10.1002/sdtp.10286/abstracthttp://hdl.handle.net/20.500.11754/25717
ISSN
2168-0159
DOI
10.1002/sdtp.10286
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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