Oled-p

1. Introduction 4C-computer, communication, consumer electronics, car electronics and 3C

Application and development

2. Knowledge for OLED Development of organic material in OLED particular characteristics of organic material

Energy level

Mechanism

3. Charge Injection and transmission material a. Cathode material ( lower schottky barrier) b. Anode material ( improve work function) c. HIM (hole injection material) d. HTM (hole transporting material, high Tg) e. EIM (electron injection material, for electronegativity) f. ETM/HBM (electron transporting material and hole block material, high Tg)

Cathode material ( lower schottky barrier) For LUMO, use Alq3 layer to be Cathode material and Mg (table 3-1) compound metal: Ca, K, Li, high chemical active(Mg:Ag and Li:Al)

Anode material: ( improve work function) transparent conducting oxide, TCO and metals , such as ITO, ZnO, AZO (Al:ZnO) and Ni, Au, Pt, the substrate must less than 15nm

HIM (hole injection material) For LG

Theory of P type dopant P type layer and energy-transfer

EIM (electron injection material) 1. alkaline metal compounds 2. Al and Ag Li2O, LiBO2, K2SiO3, CsCO3 and CH3COOM: M=Li, Na, K, Rb or Cs 3. N type dopant (lower schottky barrie)

ETM/HBM (electron transporting material and hole blocking material, high Tg) 1. ETM- oxadiazole derivatives and dendrimers 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole(PBD) 2,5-bis(4-naphthyl)-1,3,5-oxadiazole(BND) table 3-12 2. Metal chelates 3. Azole-based materials- triazole, triazine, imidazole, thiazole, thiadiazole derivatives 4. quinoline derivatives 5. quinoxaline derivatives ( bis (phenylquinoxaline) BPQ and tris (phenylquinoxaline) TPQ) 6. anthrazoline derivatives (diphenyl anthrazoline) 7. phenanthrolines derivatives ( bathophenanthroline BPen and 2,9-dimethyl-4,7-diphenyl-1,10phenanthroline BCP) 8. siloles compounds 9. perfluoro p-(phenylene)s oligomer(high Tm) 10. others

1. ETMoxadiazole derivatives and dendrimers PBD 2-(4-biphenyl)-5(4-tert-butylphenyl)-1,3,4oxadiazole(PBD) BND 2,5-bis(4-naphthyl)-1,3,5oxadiazole

2. Metal chelates

3. Azole-based materials- triazole, triazine, imidazole, thiazole, thiadiazole derivatives 4. quinoline derivatives

5. quinoxaline derivatives ( bis (phenylquinoxaline) BPQ and tris (phenylquinoxaline) TPQ) 6. anthrazoline derivatives (diphenyl anthrazoline) 7. phenanthrolines derivatives ( bathophenanthroline BPen and 2,9-dimethyl-4,7-diphenyl-1,10 -phenanthroline BCP)

8. siloles compounds

9. perfluoro p-(phenylene)s oligomer (high Tm)

10. others

4. phosphor luminescence material • • • • • •

a. red light material b. green light material c. blue light material d. sky blue e. yellow light f. white light

a. red light material red dopant-DCM and DCJ

Non-dopant material (red light)

b. green light material 1. coumarins The best one is C-545T 10-(2-benzothiazolyl)1,1,7,7tetramethyl-2,3,6,7-tetrahydro -1H,5H,11H-[l]-benzopyrano-[6,7,8-ij] quinolizin-1-one

2. quinacridone derivatives Quinacridone(QA)-Pioneer

3. polycyclic aromatic hydrocarbon, PAH from Mitsubishi chemical

4. 1H-pyrazole[3,4-b]quinoxaline PAQ-Net2 and PQ2

5. others Bioluminescence GPF and GPF3

c. blue light material AND, Diarylanthracene, di(styryl)arylene (DSA), fluorrene, pyrene

D. Sky Blue • • • • •

Tetra(t-butyl)perylene(TBP) Diphenylamino-di(styryl)arylene Pyrene Fluorene Spirobifluorene

Tetra(t-butyl)perylene(TBP)