Evaluation of single photon-emission in a small area for organic light-emitting diodes

被引：0
|
作者：
Azuma, Koichiro [1 ]
Okada, Hiroyuki [1 ]
机构：
[1] Univ Toyama, Fac Engn, 3190 Gofuku, Toyama 9308555, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2024年 / 63卷 / 01期
关键词：
organic light emitting diode; photon-counting; luminous flux; luminance; ELECTROLUMINESCENT DEVICES; BAND-STRUCTURE; EFFICIENT; SENSITIZERS; PHOTODIODES; TRANSISTOR; THIN; PHOSPHORESCENCE; INTERFACE; POLYMER;
D O I：
10.35848/1347-4065/acfe83
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Single photon-emission in organic LEDs (OLEDs) has been evaluated. The device structure of ITO/MoO3 (20 nm)/alpha-NPD (50 nm)/Alq3 (50 nm)/LiF (1 nm)/Al (70 nm) was evaporated on an ITO substrate. In addition to the common OLED measurements, photon-counting measurements were carried out, where, the light is extracted through a diameter of 100 mu m phi pinhole, and the voltage was precisely controlled within 5 mV steps using a power supply. By decreasing the voltage below 2.25 V, an average photon counting of "1" was observed at 2.135 V.
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页数：5
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