OLED
OLED OLED
Interlayer λ
OLED
OLED
PM OLED α
PM OLED
Getter Cover glass Substrate Organic film structure Light emission Anode Sealant ~10VDC Glass Substrate Column: Data line Row: Scan line Metal Cathode(Row) Electron Transport Layer(ETL) Emission Layer(EML) Hole Transport Layer(HTL) Hole Injection Layer(HIL) ITO Anode(Column) Organic Layers ~ 0.1mm
µ
Ω Ω
+ Va - OLED COLED Is OLED COLED PM OLED Row 1 Row 2 Row 3 Row n Data Amplitude Voltage or current 1 frame Line time Row 1 Row 2 Row 3 Row n Voltage or current 5 gray 4 gray 3 gray 2 gray 1 gray 0 gray column 1 0 Gray 1 Gray 2 Gray 0 Gray
Row 1 Row 2 Row 3 Row n Data 1 frame Row 1 Row 2 Row 3 Row n Voltage/ current 0 1 2 3 4 5 [gray] Line time column 1 0 Gray 1 Gray 2 Gray 4 Gray PM OLED
40 35 30 25 20 15 10 5 0 2004 2005 2006 2007 2008 2009 2010 2011 Flexible OLED Displays: Flexible OLED
Flexible OLED
Barrier Layer (SiON) Intermediate Layer (Resin) Barrier Layer (SiON) Smoothing Layer (Resin) Plastic Substrate
µ µ
µ (A) (B)
Flexible OLED Display Nch TFT Temporary substrate Pch TFT Temporary adinesive (Water soluble) 1st Transfer Original substrate Sacrifical a-si layer (Glass) Excimer laser Temporary substrate Temporary adhesive (Water soluble) 2nd Transfer Permanant adhosive (Non water soluble) Final substrate Under Water (Plastic substrate)
µ µ µ