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47.2: 2.8‐inch WQVGA Flexible AMOLED Using High Performance Low Temperature Polysilicon TFT on Plastic Substrates
Author(s) -
An Sungguk,
Lee Jaeseob,
Kim Younggu,
Kim Taewoong,
Jin Dongun,
Min Hoonkee,
Chung Hokyoon,
Kim Sang Soo
Publication year - 2010
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3500566
Subject(s) - amoled , materials science , thin film transistor , backplane , optoelectronics , electronic circuit , subthreshold slope , fabrication , substrate (aquarium) , compensation (psychology) , threshold voltage , electrical engineering , transistor , nanotechnology , voltage , active matrix , engineering , layer (electronics) , medicine , psychology , oceanography , alternative medicine , pathology , geology , psychoanalysis
This paper reports a low‐temperature polycrystalline silicon (LTPS) fabrication process on plastic substrate for a flexible AMOLED display. Characteristics of fabricated TFTs showed excellent performance with field effect mobility of 124.1 cm 2 /V‐s, on/off ratio of >10 8 , subthreshold slope of 0.30V/dec, and threshold voltage of −2.03V. Internal scan drive circuits, 1:3 demux, and compensation circuits were successfully integrated on the backplane of a 166ppi 2.8″ WQVGA flexible AMOLED panel.
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