一种新型硅基OLED微显示像素电路
发布时间：2019-06-10 13:21
【摘要】：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 0.35μm CMOS 5V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35.3nA。
[Abstract]:In order to solve the problem of small pixel driving current in silicon-based OLED microdisplay, a pixel circuit is proposed in this paper. The pixel circuit consists of two PMOS,2 NMOS,1 memory capacitors, one OLED and four signal lines. The parameters of HSPICE based on TSMC 0.35 渭 m CMOS 5V process are simulated and verified. In this pixel circuit, the current flowing through OLED is constant when OLED emits light, and different grayscale is realized by controlling the luminous time of OLED. This pixel circuit is completely controlled by digital signal and can realize accurate gray adjustment. Through six subfields, 21 grayscale is realized, and the possibility of realizing 64 grayscale (0 鈮，
本文编号：2496482
[Abstract]:In order to solve the problem of small pixel driving current in silicon-based OLED microdisplay, a pixel circuit is proposed in this paper. The pixel circuit consists of two PMOS,2 NMOS,1 memory capacitors, one OLED and four signal lines. The parameters of HSPICE based on TSMC 0.35 渭 m CMOS 5V process are simulated and verified. In this pixel circuit, the current flowing through OLED is constant when OLED emits light, and different grayscale is realized by controlling the luminous time of OLED. This pixel circuit is completely controlled by digital signal and can realize accurate gray adjustment. Through six subfields, 21 grayscale is realized, and the possibility of realizing 64 grayscale (0 鈮，
本文编号：2496482
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