Active‐matrix organic light‐emitting displays employing two thin‐film‐transistor a‐Si:H pixels on flexible stainless‐steel foil | Zendy

Kattamis Alex Z. | Zendy; Giebink Noel | Zendy; Cheng IChun | Zendy; Wagner Sigurd | Zendy; Forrest Stephen R. | Zendy; Hong Yongtaek | Zendy; Cannella Vincent | Zendy

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Active‐matrix organic light‐emitting displays employing two thin‐film‐transistor a‐Si:H pixels on flexible stainless‐steel foil

Author(s) -

Kattamis Alex Z.,

Giebink Noel,

Cheng IChun,

Wagner Sigurd,

Forrest Stephen R.,

Hong Yongtaek,

Cannella Vincent

Publication year - 2007

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.2759547

Subject(s) - amoled , materials science , thin film transistor , oled , optoelectronics , active matrix , foil method , electronic circuit , transistor , pixel , voltage , optics , electrical engineering , nanotechnology , composite material , physics , engineering , layer (electronics)

— An active‐matrix organic light‐emitting diode (AMOLED) display driven by hydrogenated amorphous‐silicon thin‐film transistors (a‐Si:H TFTs) on flexible, stainless‐steel foil was demonstrated. The 2‐TFT voltage‐programmed pixel circuits were fabricated using a standard a‐Si:H process at maximum temperature of 280°C in a bottom‐gate staggered source‐drain geometry. The 70‐ppi monochrome display consists of (48 × 4) × 48 subpixels of 92 ×369 μm each, with an aperture ratio of 48%. The a‐Si:H TFT pixel circuits drive top‐emitting green electrophosphorescent OLEDs to a peak luminance of 2000 cd/m 2 .

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