Laser & Optoelectronics Progress, Volume. 56, Issue 9, 092302(2019)

Organic-Light-Emitting-Diode-on-Silicon Microdisplay Based on Double-Frame Digital-Analog-Hybrid Scanning Strategy

Tingzhou Mu*, Yuan Ji**, Wendong Chen, Yunsen Yu, and Feng Ran
Author Affiliations
  • Microelectronic Research & Development Center, Shanghai University, Shanghai 200444, China
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    Figures & Tables(10)
    Double-frame hybrid scanning strategy
    Double-frame digital-analog-hybrid scanning strategy
    Structure diagram of OLED-on-silicon microdisplay system
    Structural diagram of column driving circuit
    Pixel driving circuit. (a) Structural diagram of pixel circuit; (b) pixel circuit timing
    ioled in cases with and without p3
    Charging conditions of pixel circuit. (a) DAC output voltage; (b) memory capacitor
    Physical map of microdisplay. (a) Single pixel layout; (b) comparison of microdisplay chip and one-yuan coin; (c) FPGA verification test platform of OLED-on-silicon microdisplay
    Test waveforms of driving circuit. (a) High input of pixel circuit; (b) low input of pixel circuit(c) row driving circuit
    • Table 1. Performance comparison of different scanning algorithms (60 Hz frame frequency, 256 grayscale, 1920 pixel×3 pixel×1080 pixel resolution)

      View table

      Table 1. Performance comparison of different scanning algorithms (60 Hz frame frequency, 256 grayscale, 1920 pixel×3 pixel×1080 pixel resolution)

      Scanning algorithmLinearity /%Scanning efficiency /%Data transmissionfrequency /MHz
      Traditional weight scanning100.03.141487.16
      12 subfield scanning100.066.4169.99
      19 subfield scanning100.083.88110.82
      Optimization (Z fractal scan)25.010070.59
      Double-frame hybrid scanning99.87546.656
      Double-frame digital-analog hybrid scanning99.899.2223.328
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    Tingzhou Mu, Yuan Ji, Wendong Chen, Yunsen Yu, Feng Ran. Organic-Light-Emitting-Diode-on-Silicon Microdisplay Based on Double-Frame Digital-Analog-Hybrid Scanning Strategy[J]. Laser & Optoelectronics Progress, 2019, 56(9): 092302

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    Paper Information

    Category: Optical Devices

    Received: Oct. 10, 2018

    Accepted: Nov. 28, 2018

    Published Online: Jul. 5, 2019

    The Author Email: Tingzhou Mu (714077081@qq.com), Yuan Ji (jiyuan@shu.edu.cn)

    DOI:10.3788/LOP56.092302

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