LCX012BL 데이터 시트보기 (PDF) - Sony Semiconductor

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LCX012BL

3.3cm (1.3-inch) Black-and-White LCD Panel

Sony Semiconductor 

LCX012BL

[Description of operating mode]

The LCD panel has the following functions to easily apply to various uses, as well as various broadcasting

systems.

• Right/left inverse mode

• Up/down inverse mode

These modes are controlled by two signals (RGT and DWN). The setting mode is shown below.

RGT

Mode

H Right scan

DWN

Mode

H Down scan

L Left scan

L Up scan

The direction of the right/left and/or up/down mean when Pin 1 marking is located at right side with the pin

block upside.

• To improve uniformity, the analog signals PSIG shall be input by synchronizing with SIG1 to SIG6.

• When the up-scan mode (DWN = Low level) is set, the phase of VST shall be inverted

3. 6-dot Simultaneous Sampling and Dot-inverted Drive

Horizontal driver samples SIG1 to SIG6 signal simultaneously. Which requires the phase matching between

SIG1 to SIG6 signals to prevent horizontal resolution from deteriorating. Thus phase matching between each

signal is required using an external signal delaying circuit before applying video signal to the LCD panel.

The block diagram of the delaying procedure using sample-and-hold method is as follows.

The following phase relationship diagram indicates the phase setting for the right scan (RGT = High level). For

the left scan (RGT = Low level), the phase setting shall be inverted between SIG1 to SIG6 signals.

SIG1

SIG2

SIG3

SIG4

SIG5

SIG6

S/H

CK1

S/H

CK2

S/H

CK3 S / H

CK4

S/H

CK5

S/H

S/H

S/H

S/H

S/H

S/H

CK6

AC Amp

AC Amp

AC Amp

AC Amp

AC Amp

AC Amp

8 SIG1

7 SIG2

6 SIG3

5 SIG4

4 SIG5

3 SIG6

<Phase relationship of delaying sample-and-hold pulses> (right scan)

HCKn

CK1

CK2

CK3

CK4

CK5

CK6

– 18 –

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