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LCX012BL

Input Signals

1. Input signal voltage conditions

Item

H driver input voltage

(Low)

(High)

(Low)

(High)

VHIL

VHIH

VVIL

VVIH

VVC

Vsig

Vcom

Vpsig

–0.5

4.5

–0.5

4.5

6.8

VVC – 4.5

VVC – 0.5

VVC ± 3.3

0.0

5.0

0.0

5.0

7.0

7.0

VVC – 0.4

VVC ± 3.5

0.4

5.5

0.4

5.5

7.2

VVC + 4.5

VVC – 0.3

VVC ± 3.7

V

V

V

V

V

V

V

V

V driver input voltage

Video signal center voltage

Uniformity improvement signal

Symbol

Min.

Typ.

Max.

Unit

construction to use. In this case, use the voltage of which has maximum contrast as typical value. When the

typical value is lowered, the maximum and minimum values may lower.

symmetrical to VVC. Also, the rising and falling of PSIG are synchronized with the rising of PCG pulse, and

the rise time trPSIG and fall time tfPSIG are suppressed within 800ns (as shown in a diagram below).

Input waveform of uniformity improvement signal PSIG

Level Conversion Circuit

The LCX012BL has a built-in level conversion circuit in the clock input unit on the panel. The input signal level

trPSIG

tfPSIG

VVC

PSIG

PCG

90%

10%