- #1
light_bulb
- 197
- 0
i have a few questions:
1)what is the liquid used?
2)is the glass etched inside to hold the liquid or do they use a thin film of two layers, one conducting?
3)lcds use 180hz square waves to keep the display liquid black, but when just using dc the display will turn black and then fade, why?
1)what is the liquid used?
2)is the glass etched inside to hold the liquid or do they use a thin film of two layers, one conducting?
3)lcds use 180hz square waves to keep the display liquid black, but when just using dc the display will turn black and then fade, why?