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一种新型硅基OLED微显示像素电路

更新时间:2020-07-21 05:08:08 大小:231K 上传用户:守着阳光1985查看TA发布的资源 标签:oled 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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在硅基OLED微显示器中,为了解决很小的像素驱动电流的难题,论文提出了一种像素电路。此像素电路由2个PMOS、2个NMOS、1个存储电容、1个OLED和4根信号线组成。并且利用HSPICE基于TSMC 0.35 μm CMOS 5 V工艺的参数进行了仿真验证。在此像素电路中,当OLED发光时流过OLED的电流是恒定的,并且通过控制OLED的发光时间来实现不同的灰度。此像素电路完全由数字信号控制,能实现精确的灰度调节。通过6个子场,实现了21级灰度,进而论证了实现64级灰度(0~63)的可能性。当OLED发光时,流过的恒定电流是35.3 nA。

In OLED-on-silicon micro-display, how to realize a small pixel driving current is the pixel circuit's difficulty. To solve this issue, a novel pixel circuit is presented in this paper. The pixel circuit is composed of two PMOS, two NMOS, one storage capacitor, one OLED and four signal lines. This circuit is verified by HSPICE basing on TSMC 0.35 μm CMOS 5 V process. In this circuit, the current flowing through the OLED is constant when OLED is light-emitting and grayscale modulation is realized by controlling the OLED light-emitting time. This pixel circuit is fully controlled by digital signal and can achieve precise grayscale. In this paper, 21 grayscale is achieve...

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一种新型硅基OLED微显示像素电路.pdf 231K

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