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ISSCC 2014Session 30 · TECHNOLOGIES FOR NEXT-GENERATION SYSTEMSOther

Digital PWM-Driven AMOLED Display on Flex Reducing Static Power Consumption

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📋 论文概要

该论文提出了一种数字PWM驱动的AMOLED显示技术,旨在降低柔性基板上的静态功耗。通过创新的驱动方案,解决了传统AMOLED显示器在柔性基底上功耗过高的问题。

💡 主要创新点

重要性
发表年份
ISSCC 2014

🏷 关键词

数字PWMAMOLED柔性显示低功耗

📄 原文摘要

Manoj Nag1, Soeren Steudel1, Sarah Schols1, Joris Maas4, Ashutosh Tripathi4, Jan-Laurens van der Steen4, Tim Ellis4, Gerwin H. Gelinck4, Paul Heremans1,2,4 imec, Leuven, Belgium, 2KU Leuven, Leuven, Belgium, Panasonic, Osaka, Japan, 4Holst Centre/TNO, Eindhoven, The Netherlands 1 3 The efficiency of small-molecule OLED devices increased substantially in recent years, creating opportunities for power-efficient displays, as only light is generated proportional to the subpixel intensity. However, current active matrix OLED (AMOLED) displays on foil do not validate this power-efficient advantage, as too much power is lost in the AM backplane. AMOLED displays use the analog voltage on the gate of a drive transistor (e.g. M1 in Fig. 30.2.1) to control the pixel current and hence the pixel brightness. Accurate and uniform pixel currents can only be obtained when transistor M1 is driven is saturation. In highresolution technologies on foil, transistor parameters W, L and the mobility μ are

👥 作者与机构

Jan Genoe1,2, Koji Obata3, Marc Ameys1, Kris Myny1, Tung Huei Ke1,

分类:Other · 年份:ISSCC 2014