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Updated: Dec 27, 2025

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Analysis of Organic Light-Emitting Diode SPICE Models with Constant or Voltage-Dependent Components
Yunyeong Choi1, Miryeon Kim2, Jisun Park1
1Department of Electronics Engineering, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, 03760, Seoul Korea.
Abstract:
A simplified OLED SPICE model with two resistors and two capacitors that have constant or voltagedependent (VD) values is proposed. Our model includes physical characteristics such as voltage and frequency dependency and agrees well with measurements. In this paper, we analyze the OLED frequency dependency effects and RC delay properties by controlling model parameters for DC, AC, and transient conditions. Importantly, we found that a model with constant parameters is simple and is accurate enough. Based on our simulation results, we suggest a new guideline for an OLED SPICE circuit model and simulation target.
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