Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 9, 1289(2025)

Design of interface circuitry for silicon-based OLED microdisplays employing dynamic comparison technique

Jie WANG1, Yuan JI1,2、*, Zhongbei JIN1, Yin ZHANG2, and Xingyan LIU1
Author Affiliations
  • 1Microelectronic Research & Development Center, Shanghai University, Shanghai 200444, China
  • 2School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China
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    Figures & Tables(13)
    Structure of digital driving OLED microdisplays
    Structure of interface circuit
    Schematic of a conventional LVDS circuit
    Schematic of the analog comparator circuit
    Schematic of dynamic comparator
    Proposed dynamic comparator-based LVDS receiver
    Transient analysis of dynamic-comparison interface circuit
    Power analysis of traditional comparison receiver and dynamic comparison receiver under different process corners
    Layout design of the interface circuit
    Functional simulation of the interface circuit
    FPGA test platform
    • Table 1. Design parameters of silicon-based OLED micro-displays

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      Table 1. Design parameters of silicon-based OLED micro-displays

      设计指标具体参数
      分辨率2 048×2 048
      刷新率60~120 Hz
      显示尺寸1.3 in(1 in=2.54 cm)
      像素尺寸9.12 μm×9.12 μm
      接口类型18 Lane LVDS@MAX 2.5 Gbps
    • Table 2. Power dissipation of the interface circuitry

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      Table 2. Power dissipation of the interface circuitry

      工艺角工作电压/V时钟频率/GHz前仿功耗/mW后仿功耗/mW
      TT1.21.253.634.01
      SS1.21.253.313.67
      FF1.21.253.964.42
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    Jie WANG, Yuan JI, Zhongbei JIN, Yin ZHANG, Xingyan LIU. Design of interface circuitry for silicon-based OLED microdisplays employing dynamic comparison technique[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(9): 1289

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    Paper Information

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    Received: May. 26, 2025

    Accepted: --

    Published Online: Sep. 25, 2025

    The Author Email: Yuan JI (jiyuan@shu.edu.cn)

    DOI:10.37188/CJLCD.2025-0111

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