Simplified Photo-Electro-Thermal Model Applied to Resonant-Switched-Capacitor-Based OLED Drivers

2019 IEEE Industry Applications Society Annual Meeting Pub Date : 2019-09-01 DOI:10.1109/IAS.2019.8912456

Gilberto Martínez, José Marcos Alonso Alvarez, René Osorio Sánchez

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引用次数: 2

Abstract

This paper presents a review of the state of the art of OLED photo-electro-thermal (PET) modeling techniques for resonant-switched-capacitor based OLED driver analysis and design. The OLED PET equivalent circuit model is used as a static and dynamic load to analyze and simulate OLED lamp drivers. The proposed simplified electrical nonlinear dynamic modeling is based on electrical variables and on the equivalent resistance concept, which has been extrapolated from previous discharge lamp modeling. The proposed model presents the advantages of good accuracy under static and dynamic regimes, as well as simplicity to be implemented, because it does not use any sophisticated equipment. Simulations and experimental results of the simplified electrical nonlinear dynamic model obtained from a Philips Lumiblade FL300 OLED lamp of 7.26W are in a good agreement, with a relative error of only 1.6%. In addition, some simulations and experimental results of a 21.78 W OLED nonlinear dynamic model driven by a unidirectional resonant switched-capacitor (URSC) converter obtained from a laboratory prototype are presented.

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基于谐振开关电容的OLED驱动器的简化光电热学模型

本文综述了用于基于谐振开关电容的OLED驱动器分析和设计的OLED光电热学(PET)建模技术的最新进展。采用OLED PET等效电路模型作为静态和动态负载，对OLED灯驱动器进行分析和仿真。本文提出的简化电非线性动态建模是基于电变量和等效电阻的概念，该概念是从以往的放电灯建模中推断出来的。该模型在静态和动态条件下具有良好的精度，并且由于不使用任何复杂的设备而易于实现。对Philips Lumiblade FL300 OLED灯7.26W的简化电非线性动力学模型进行仿真与实验结果吻合较好，相对误差仅为1.6%。此外，给出了在实验室样机上得到的由单向谐振开关电容(URSC)变换器驱动的21.78 W OLED非线性动态模型的仿真和实验结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 IEEE Industry Applications Society Annual Meeting

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