Affiliation:
1. Department of Electrical and Computer Engineering, SOFT Foundry Institute Seoul National University Seoul Korea
Abstract
This paper proposes a novel method to generate a SWEEP signal
line‐by‐line for PWM driving microLED pixel circuit. The
proposed method generates a SWEEP signal based on the linearly
increasing voltage of the capacitor by flowing a constant current to
the horizontal line parasitic capacitive load. The constant current
is supplied by the sweep generation (SG) circuit in each line. Since
the SG circuit utilizes the existing SCAN signals for the pixel
circuit, additional SCAN or clock signals are not required. By using
the proposed method, an individual SWEEP signal for each line
can be generated without a significant increase in operational
complexity in the display panel.
Cited by
1 articles.
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