A 12.1-in. tablet liquid-crystal-display (LCD) panel with integrated amorphous-silicon row driver circuits has been developed using a standard TFT process and Advanced Fringe-Field Switching (AFFS) technology. An XGA-resolution 768-stage shift-register circuit with two-phase clocks has been designed and fabricated. The circuit parameters were optimized in order to obtain a highly reliable a-Si row-driver-circuit structure. Thermal Humidity Operation (THO) test results at 50°C and 80% humidity during 500 hours of operation shows that the fabricated panel is reliable during long-term operation and any abnormal display phenomenon was not observed at 0°C.
A 12.1" tablet panel with integrated a-Si row driver circuits has been developed using a standard TFT process and an advanced FFS technology. XGA-resolution 768-stage shift register circuit with 2-phase clocks has been elaborately designed and fabricated. We have optimized circuit parameters in order to obtain a highly reliable a-Si row driver circuit structure.
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