LCD circuits often require a –10V voltage at 2 to 15 mA to bias a graphics-LCD-driver IC. You can usually accomplish this task with an external charge-pump IC, such as Maxim’s ICL7660, but that ...

Circuit diagram of LCD circuits: LCD-1, top; LCD-2, bottom. LCD-1 simulations assumed the output filter capacitor is large, so output voltage ripple is negligible [3].

Type BHT connectors are specifically designed for interconnecting LCD backlight lamps and their starters. Electrical creepage distance is sufficient for high voltage (1500V ac/dc) use. The ...