发光层中能级梯度对蓝色有机发光二极管的影响

杨璐璐; 杨丽萍

doi:doi:10.3788/LOP57.192304

激光与光电子学进展, 2020, 57 (19): 192304, 网络出版: 2020-09-27

发光层中能级梯度对蓝色有机发光二极管的影响下载： 850次

Effect of Energy Level Gradient in Emitting Layer on Blue Organic Light-Emitting Diode

杨璐璐 ^*杨丽萍

作者单位

上海理工大学理学院, 上海 200093

图 & 表

图 1. 器件A1~A4的EML结构与能级示意图

Fig. 1. Schematic of the EML structures in devices A1--A4 and energy level diagram of materials

下载图片查看原文

图 2. 器件A1~A4 的电光特性。 (a)亮度与电流密度随电压的变化曲线; (b)功率效率与电流效率随电流密度变化曲线

Fig. 2. Electro-optical characteristics of devices A1--A4. (a) Curves of luminance and current density changed with voltage; (b) curves of power efficiency and current efficiency changed with current density

下载图片查看原文

图 3. 器件A1~A4电流效率随电流密度的变化曲线

Fig. 3. Curves of current efficiency changed with current density in devices A1--A4

下载图片查看原文

图 4. 器件A1~A4在电压为8 V时的电致发光光谱图和色坐标。插图为点亮的OLED器件

Fig. 4. Normalized electroluminescence spectra and CIE coordinates of the devices A1--A4 at the voltage of 8 V. The inset is the image of emitting OLED

下载图片查看原文

表 1不同结构器件的电致发光特性

Table1. Electroluminescence characteristics of devices with different structures

Device	V_turn-on /V	L_max/(cd·m^-2)	D_max/(mA·cm^-2)	P_max/(lm·W^-1)	C_max /(cd·A^-1)	C /(cd·A^-1)
Device	V_turn-on /V	L_max/(cd·m^-2)	D_max/(mA·cm^-2)	P_max/(lm·W^-1)	C_max /(cd·A^-1)	D is5 mA·cm^-2	D is35 mA·cm^-2
A1	3.75	6242	72.41	25.39	38.39	32.85	22.74
A2	3.75	4509	46.31	20.76	29.74	24.54	11.32
A3	3.25	12070	134.94	33.75	40.28	35.65	23.77
A4	3.5	4642	109.97	29.98	38.17	25.33	9.95

查看原文

杨璐璐, 杨丽萍. 发光层中能级梯度对蓝色有机发光二极管的影响[J]. 激光与光电子学进展, 2020, 57(19): 192304. Lulu Yang, Liping Yang. Effect of Energy Level Gradient in Emitting Layer on Blue Organic Light-Emitting Diode[J]. Laser & Optoelectronics Progress, 2020, 57(19): 192304.

发光层中能级梯度对蓝色有机发光二极管的影响下载： 850次

图 1. 器件A1~A4的EML结构与能级示意图

Fig. 1. Schematic of the EML structures in devices A1--A4 and energy level diagram of materials

图 2. 器件A1~A4 的电光特性。 (a)亮度与电流密度随电压的变化曲线; (b)功率效率与电流效率随电流密度变化曲线

Fig. 2. Electro-optical characteristics of devices A1--A4. (a) Curves of luminance and current density changed with voltage; (b) curves of power efficiency and current efficiency changed with current density

图 3. 器件A1~A4电流效率随电流密度的变化曲线

Fig. 3. Curves of current efficiency changed with current density in devices A1--A4

图 4. 器件A1~A4在电压为8 V时的电致发光光谱图和色坐标。插图为点亮的OLED器件

Fig. 4. Normalized electroluminescence spectra and CIE coordinates of the devices A1--A4 at the voltage of 8 V. The inset is the image of emitting OLED

表 1不同结构器件的电致发光特性

Table1. Electroluminescence characteristics of devices with different structures

关于本站 Cookie 的使用提示

全站搜索

发光层中能级梯度对蓝色有机发光二极管的影响 下载： 850次

图 1. 器件A1~A4的EML结构与能级示意图

Fig. 1. Schematic of the EML structures in devices A1--A4 and energy level diagram of materials

图 2. 器件A1~A4 的电光特性。 (a)亮度与电流密度随电压的变化曲线; (b)功率效率与电流效率随电流密度变化曲线

Fig. 2. Electro-optical characteristics of devices A1--A4. (a) Curves of luminance and current density changed with voltage; (b) curves of power efficiency and current efficiency changed with current density

图 3. 器件A1~A4电流效率随电流密度的变化曲线

Fig. 3. Curves of current efficiency changed with current density in devices A1--A4

图 4. 器件A1~A4在电压为8 V时的电致发光光谱图和色坐标。插图为点亮的OLED器件

Fig. 4. Normalized electroluminescence spectra and CIE coordinates of the devices A1--A4 at the voltage of 8 V. The inset is the image of emitting OLED

表 1不同结构器件的电致发光特性

Table1. Electroluminescence characteristics of devices with different structures

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索

发光层中能级梯度对蓝色有机发光二极管的影响下载： 850次