从生产角度研究了基板表面的预处理工艺对OLED性能的影响,分别用UV Ozone、氧Plasma以及两者相结合的方式对基板进行表面处理,并按照生产工艺制作器件,从接触角、方阻以及光电特性等测试结果对各种表面处理的样品进行比较.结果表明以上处理都改善了器件性能,不同程度提高了器件的清洁度、亮度和发光效率,其中UV Ozone和氧Plasma结合的方式处理效果最为显著,器件在10 V时亮度达到79 920 cd/m2,比其他两种处理方式亮度提高约25 %.
参考文献
| [1] | Tang C W,Van Slyke S A.Organic electroluminescent diodes[J].Appl.Phys.Lett.,1987,51(12):913-915. |
| [2] | 邵作叶,郑喜凤,陈宇.平板显示器中的OLED[J].液晶与显示,2005,20(1):52-56. |
| [3] | 季兴桥,黎威志,钟志有,等.双异质型蓝色OLED器件的研究[J].液晶与显示,2005,20(3):235-239. |
| [4] | 车广波,苏子生,李文连,等.一种新型磷光铜(I)配合物及其红光OLED[J].液晶与显示,2006,21(2):185-187. |
| [5] | 张素梅,石家纬,李靖.有机EL器件的研究及产品开发现状[J].液晶与显示,2004,19(1):37-41. |
| [6] | Hyoungsik Kim,Junho Lee,Chinho Park.Surface characterization of O2-plasma-treated Indium-tin-oxide (ITO) anodes for organic light-emitting-device applications[J].J.Korean Physical Society,2002,41(3):395-399. |
| [7] | Sugiyama K,Ishii H,Yukio.Dependence of indium-tin-oxide work function on surface cleaning method as studied by ultraviolet and x-ray photoemission spectroscopies[J].J.Appl.Phys.,2000,87(1):295-298. |
| [8] | Wu C C,Wu C I,Sturm J C,et al.Surface modification of indium tin oxide by plasma treatment:An effective method to improve the efficiency,brightness,and reliability of organic light emitting devices[J].Appl.Phys.Lett.,1997,70(11):1348-1350. |
| [9] | Chan I-Min,Cheng Wengcheng,Hong Franklin C.Enhanced performance of organic light-emitting devices by atmospheric plasma treatment of indium tin oxide surfaces[J].Appl.Phys.Lett.,2002,80(1):13-15. |
| [10] | Lee Chingting,Yu Qingxuan,Tang Bang-Tai.Effects of plasma treatment on the electrical and optical properties of indium tin oxide films fabricated by r.f.reactive sputtering[J].Thin Solid Films,2001,386:105-110. |
| [11] | Milliron D J,Hill I G,Shen C.Surface oxidation activates indium tin oxide for hole injection[J].J.Appl.Phys.,2000,87(1):572-576. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%