Multi-grayscale driving system for passive-matrix alternating current electroluminescence display

被引：2
|
作者：
Fan, Qitian [1 ]
Shi, Jintao [1 ]
Zhu, Simu [1 ]
Yang, Bo-ru [1 ]
Deng, Shaozhi [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangdong Prov Key Lab Display Mat & Technol, Guangzhou 510006, Peoples R China
来源：
OPTICS LETTERS | 2024年 / 49卷 / 09期
关键词：
D O I：
10.1364/OL.520750
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Alternating current electroluminescence (ACEL) has great potential in flexible displays, especially in textile displays. However, since ACEL needs high-frequency, high-voltage AC signal to drive, there remains no driving scheme for pixelated ACEL display to achieve multiple gray scales. In this work, a driving scheme based on full -bridge inverters is proposed for passive-matrix ACEL (PMACEL) display, which achieves multiple gray scales by changing the duty cycle of the square wave. A single -pixel ACEL displaying 16 gray levels (4 bits) and a 5 x 8 fabric PMACEL displaying eight gray levels are demonstrated, enabling flexible ACEL devices to exhibit more vivid tones on a fabric substrate. (c) 2024 Optica Publishing Group
引用
收藏
页码：2317 / 2320
页数：4
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