ACM2002D SERIES LCD MODULE

AZ DISPLAYS, INC.

09/17/99

5

4.1 OPTICAL CHARACTERISTICS (Ta=25”C, Vdd= 5.0V–0.25V, STN LC fluid)

Item

Symbol

Condition

Min

Typ

Max

Unit

Viewing angle (horizontal)

θ

Cr

≥ 2.0

-60

-

35

deg

Viewing angle (vertical)

φ

Cr

≥ 2.0

-40

-

40

deg

Contrast Ratio

Cr

φ=0°, θ=0°

-6

-

Response time (rise)

Tr

φ=0°, θ=0°

-

150

250

ms

Response time (fall)

Tf

φ=0°, θ=0°

-

150

250

ms

5.0 BLOCK DIAGRAM

LCD 20 X 2

U2

U1

SEG1- 40

SEG41- 100

SEG 1

SEG 100

COM 16

8

LED BACKLIGHT

1. Vss

2. Vdd

3. Vo

4. RS

5. R/W

6. E

7. DB0

14. DB7

40

60

16

COM 1

COM16

A (+)

K (-)