Long?Persistent Luminescence from an Exciplex?Based Organic Light?Emitting Diode
نویسندگان
چکیده
Organic long-persistent luminescent systems (OLPLs) exhibiting long-lasting emission after photoexcitation consist of organic electron donors and acceptors, that are widely used in light-emitting diodes (OLEDs). Although OLPLs OLEDs include very similar excitonic processes, has never been observed OLEDs. This study confirms the presence luminescence (LPL) under electrical excitation.
منابع مشابه
Plasmonic Nanocavity Organic LightEmitting Diode with Significantly Enhanced Light Extraction, Contrast, Viewing Angle, Brightness, and LowGlare
or high light extraction inorganic LEDs (fl ip-chip with metallic high refl ectivemirror). [ 10 ] All current methods for good contrast uses the methods that absorb the ambient light (e.g., circular polarizers, light absorbing layers, destructive-interference buffer layers, and low light refl ection black cathode) [ 22–24,26–34 ] but also degrade the light extraction substantially. The light ex...
متن کاملHighly Directional Emission and Beam Steering from Organic LightEmitting Diodes with a Substrate Diffractive Optical Element
In planar OLED structures, a signifi cant fraction of the internal light emission is trapped in guided modes. This trapped light is a major limitation on the external quantum effi ciency, and a number of studies have integrated photonic microstructures into OLEDs to improve the device effi ciency by extracting trapped light such as the substrate modes, [ 3 ] the waveguide modes [ 4 ] and the su...
متن کاملMicro-Cavity in Organic Light-Emitting Diode
The study on micro-cavity in organic light-emitting diode(OLED) demands understanding the theory of multi-layer films. It is because OLED is basically an optical device and its structure consists of organic or inorganic layers of sub-wavelength thickness with different refractive indices. When the electron and holes are injected through the electrodes, they combine in the emission layers emitti...
متن کاملOptimization of organic light emitting diode structures
This paper was published in Proceedings of SPIE 5277 (2004) and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of...
متن کاملField Emission Organic Light Emitting Diode
In recent years, the developments in the OLEDs have gradually reached very advantageous of existence. These advantageous characteristics include self-luminous, wide viewing angle and low power consumption, etc. which make OLEDs very useful for numerous display applications and lighting devices. To effectively improve the characteristics of an OLEDs, there are many ways to be adopted. Such as: (...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Advanced Materials
سال: 2021
ISSN: ['1521-4095', '0935-9648']
DOI: https://doi.org/10.1002/adma.202008844