ACX705AKM

6.92cm Diagonal Reflective Color LCD Module

Description

The ACX705AKM is a 6.92cm diagonal active

matrix reflective color TFT-LCD module with a front

light unit and a driving board. This module provides

low power consumption which is realized by built-in

3-bit digital interface circuitry.

Features

· Number of dots:

240

RGB

160

· Dot size:

80µm

240µm

· High reflectivity:

(25% typ.)

· High contrast ratio: (13:1 typ. at the condition of turning off the front light)

· Number of colors: 512

· Low power consumption (47mW typ.) with a driving board composed of a LCD controller IC,

a reference driver IC and a DC-DC convertor

· Built-in 3-bit digital interface circuitry

· Compact size

· Thin and bright front light unit

Element Structure

· Active matrix TFT-LCD panel with built-in peripheral driving circuitry using low temperature polycrystalline

silicon transistors

· Number of dots

Total number of dots:

242

3 (H)

162 (V) = 117,612

Number of active dots:

240

3 (H)

160 (V) = 115,200

· Dimensions

Module dimensions:

71.4mm

52.0mm

4.8mm (t) (parts area 6.5mm (t) max.)

Effective display dimensions: 57.6mm (H)

38.4mm (V)

Applications

PDA, etc.

E00847-PS

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

ACX705AKM

Absolute Maximum Ratings (Ta = 25°C, V

= 0V)

· Supply voltage

0.3 to +5.5

· Input voltage

0.3 to V

2 + 0.3

· Storage temperature

Tstg

30 to +70

°C

· LED current

Iled

(as below)

Right

Left

Active area

Top

Bottom

Left

Right

Top

Front View

Rear View

Bottom

Pin 22

Pin 1

Allowable forward current

Iled [mA]

Ta [

100

Recommended Operating Conditions

· Supply voltage

3.50 to 4.20

2.55 to 3.15

· Operating temperature

Topr

10 to +60

°C

Pin Location of Panel Block

The FPC pin assignment is described in on page 5. The location of Pin 1 is shown below.

ACX705AKM

Module Configuration

This module is composed of a reflective color TFT-LCD panel, a front light unit and a driving board as shown in

the figure below.

Rear View

Front View

Active area
center

ACX705AKM-7 T

ACX705AKM-01

71.4 (Outer frame)

8.1

[(75.5)]

57.6 (Active area)

(33.3)

+0.1

(Window)

(3.3)

38.1

(5.93)

(8.75)

30.5

(1.15)

11.5

5.5

(5.1)

(1.7)

(7.6)

52.6

0.1

(Parts area)

(11.3)

(7.5)

59.6

+0.1

(Window)

(6.3)

(5.5)

71.4

0.3 (Outer frame)

(59.4)

(2)

6.4

0.3

63.4 (Cover plate)

(1.6)

(2)

(7)

0.3 (Outer frame)

(6)

(9)

+0.1

(Window)

0 0.1

(Parts area)

(10)

(4.08)

(40.2)

38.4 (Active area)

(24.48)

27.52

0.3

7.12

40.8

+0.1 0

(Window)

(5.9)

(26.4)

5.42

44.2 (Cover plate)

(2.38)

(2)

ACX705AKM

Block Diagram

The block diagram of this LCD module is shown below.

+9.0V

+5.0V

6.5V

Control pulse

+5.0V

+3.0V

ref

VCOM

Data

RGB

3-bit

+9.0V

6.5V

15mA

(25

Cover Plate

Front Light (LED)

H Driver

V Driver

H Driver

Poly-Si TFT

LCD

(240

RGB

160)

CXD3507GG

(LCD Controller)

DC-DC

Converter

CXD2475TQ

(Reference

oltage Driver)

MIC1

MIC2

Vcc1 (+3.8V)

Vcc2 (+3.0V)

Data in

(RGB

3-bit)

Hsync

Vsync

MCK

S/D

ACX705AKM

Pin Description

Pin No.

Symbol

Description

MIC1

MIC2

GND

Hsync

Vsync

S/D

MCK

LED V

LED GND

+3.8V power supply

Ground

Red data input (LSB)

Red data input

Red data input (MSB)

Green data input (LSB)

Green data input

Green data input (MSB)

Blue data input (LSB)

Blue data input

Blue data input (MSB)

Hsync input

Vsync input

Shut down

Master clock (4.2MHz)

+3.0V power supply

LED V

LED GND

ACX705AKM

Electrical Characteristics

Item

Supply voltage

Ripple voltage

Input voltage 1

Input voltage 2

Supply current

Input current 1

Current consumption

Total power consumption

Standby current

MCK frequency

Horizontal frequency

Vertical frequency

Data input pin capacitance

Hsync input pin capacitance

Vsync input pin capacitance

MCK input pin capacitance

S/D input pin capacitance

Iled

| I

MCK

Cdata

Chsde

Cvs

Cmck

Csd

3.50

2.55

2.0

0.5

0.2

3.80

3.00

11.0

1.6

0.1

3.26

12.0

60.0

4.20

3.15

100

0.7

2.2

1.0

17.0

4.0

200

4.20

15.4

77.2

µA

MHz

kHz

MCK
(LVTTL level input)

All input pins excluding MCK
(LVTTL level Schmitt trigger
input)

LED V

All input pins

R0 to R2, G0 to G2, B0 to B2

Hsync

Vsync

MCK

S/D

Symbol

Min.

Typ.

Max.

Unit

Pins

= V

= 0V

8-pixel

8-pixel Black and White checker pattern

ACX705AKM

Operating Conditions

Item

Symbol

Min.

Typ.

Max.

Unit

Master clock period

MCK width high

MCK width low

Data setup to MCK falling edge

Data hold from MCK falling edge

Hsync setup to MCK falling edge

Hsync pulse width low

Vsync falling edge to Hsync falling edge phase difference

Vsync pulse width low

tclk

tch

tcl

tds

tdh

thss

thsw

tvhde

tvsw

254

0.5

269

tclk

line

Operating Condition of Front Light

Item

Symbol

Min.

Typ.

Max.

Unit

LED current

Iled

Lamp Life

The lamp life shall be greater than 50 hours. The operating lamp life is defined as having ended when the

illumination of light has reached 50% of the initial value.

ACX705AKM

Color Combination Table

Color

Black

Blue

Green

Cyan

Red

Magenta

Yellow

White

Black

Dark

Bright

Red

Black

Dark

Bright

Green

Black

Dark

Bright

Blue

--
--
--
--
--
--
--
--

0
1
2
3
4
5
6
7

Data signal

0
0
0
0
1
1
1
1

0
1
0
1
0
1
0
1

0
0
0
0
0
0
0
0

0
0
0
0
1
1
1
1

0
0
1
1
0
0
1
1

0
0
0
0
0
0
0
0

0
0
0
0
1
1
1
1

0
0
0
0
0
0
0
0

0
0
1
1
0
0
1
1

0
0
0
0
0
0
0
0

0
1
0
1
0
1
0
1

0
0
0
0
0
0
0
0

0
0
1
1
0
0
1
1

0
0
0
0
0
0
0
0

0
0
1
1
0
0
1
1

0
0
0
0
0
0
0
0

0
0
1
1
0
0
1
1

0
0
0
0
0
0
0
0

0
0
0
0
1
1
1
1

0
0
0
0
0
0
0
0

0
1
0
1
0
1
0
1

0
0
0
0
0
0
0
0

0
1
0
1
0
1
0
1

0
0
0
0
0
0
0
0

0
0
1
1
0
0
1
1

0
1
0
1
0
1
0
1

0
0
0
0
0
0
0
0

0
0
0
0
1
1
1
1

Gray scale

Standard

color

Red

Green

Blue

Gray Scale

ACX705AKM

Color Coding

The color filters are coded in vertical stripe arrangement.

The shaded area is used for the dark border around the display.

Active area

240

RGB

Front view

160

· · · · · · · · · · · · · · · · · · · · · · · · ·

·········

Scanning Direction

The scanning direction for the horizontal period and for the vertical period are A and B respectively as shown

below.

These scanning directions are from a front view.

Active area

Horizontal direction

Front view

vertical direction

ACX705AKM

Electro-optical Characteristics

Ta = 25°C, With front light turning off

Item

Reflectivity

Contrast ratio

White chromaticity

Response time

Viewing angle

rise

fall

Top-Bottom

Left-Right

xfloff

yfloff

VAtb

VAlr

0.28

0.29

100

0.30

0.31

100

120

0.32

0.33

CIE

degree (°)

Symbol

Min.

Typ.

Max.

Unit

Notes

Item

Luminance

Luminance uniformity

White chromaticity

Lcfl

Flunif

xflon

yflon

3.3

0.27

1.3

0.32

1.7

0.37

cd/m

CIE

Symbol

Min.

Typ.

Max.

Unit

Notes

Ta = 25°C, With front light turning on (Iled = 15mA)

ACX705AKM

Notes:

1. Reflectivity (R)

In the Measurement system-1 (see Fig. 1 (a), (b)), calculate the reflectance factor by using the formula (1).

R = R (White) =

reflectance factor of the reflectance standard ...(1)

2. Contrast ratio with front light turned off (CR)

In the Measurement system-1 (see Fig. 1 (a), (b)), measure the reflectance factor of "White" and "Black"

respectively and calculate by using the formula (2).

CR = ...(2)

3. White chromaticity

In the Measurement system-2 (see Fig. 2), measure the white chromaticity. The illumination source and

viewing area are D65 and 2° respectively.

4. Response time

In the Measurement system-3 (see Fig. 3), measure the electro-optical response time.

5. Viewing angle

In the Measurement system-1 (see Fig. 1 (c)), viewing area is defined by the area which makes the CR

6. Luminance

In the Measurement system-4 (see Fig. 4), measure the luminance and calculate using the following formula

(3).

Lcfl = (Luminance (1) + Luminance (3) + Luminance (5) + Luminance (7) + Luminance (9))/5 ...(3)

7. Luminance uniformity

In the Measurement system-4 (see Fig. 4), measure the luminance and calculate using the following formula

(4).

Flunif = Luminance (maximum spot)/Luminance (minimum spot) ...(4)

Basic Measurement Conditions

(1) Driving voltage

Typical condition

(2) Measurement temperature

+25°C unless otherwise specified.

(3) Measurement point

One point on the center of the panel unless otherwise specified.

(4) Light source and viewing area

D65 and 2°

(5) Display "White": All R, G and B signal data are high (signal amplitude across the liquid crystal: ±1.0V).

Display "Black": All R, G and B signal data are low (signal amplitude across the liquid crystal: ±4.5V).

Front light is turned off unless otherwise specified.

Output from the "White" displayed panel

Output from the reflectance standard

R (White)

R (Black)

ACX705AKM

Left

Right

Top

= 30

= 0

Bottom

Optical
Detector

Driving Circuit

LCD panel

Optical fiber

Light source

Mearurement
Equipment

Left

Right

Top

FPC side

= 0

Bottom

(a)

(b)

(c)

Fig. 1. Measurement system-1

LCD panel

Integrated sphere

Optical fiber

Light Source

Optical
Detector

Mearurement
Equipment

Fig. 2. Measurement system-2

ACX705AKM

Cross Modulation

Cross modulation (cross talk) shall be inspected with following test pattern with 2% ND filter. Pattern is black

box 80 pixels wide and 120 pixels in length at minimum luminance, centered horizontally and vertically in the

active area. The remainder of the screen is 50% gray.

There shall be no visible difference of luminance around the black box through 2% ND filter.

H/4

H/2

H/4

H/2

Image Persistence

Display a completely white screen for 20 minutes and continuously display the test pattern shown below for a

minimum of two hours. Then display a completely white screen. A visible image of the box pattern shall not

persist more than two seconds viewed through 2% ND filter. Pattern is black box 80 pixels wide and 120 pixels

in length at minimum luminance, centered horizontally and vertically in the active area. The remainder of the

screen is white.

ACX705AKM

Notes on Handling

(1) Static charge prevention

Be sure to take the following protective measures. TFT-LCD panels are easily damaged by static charges.

a) Use non-chargeable gloves, or simply use bare hands.

b) Use an earth-band when handling.

c) Do not touch any electrodes of a panel.

d) Wear non-chargeable clothes and conductive shoes.

e) Install grounded conductive mats on the working floor and working table.

f) Keep panels away from any charged materials.

g) Use ionized air to discharge the panels.

(2) Protection from dust and dirt

a) Operate in a clean environment.

b) Do not touch the front light surface. The surface is easily scratched.

c) Use ionized air to blow dust off the panel.

(3) Others

a) Do not twist or bend the flexible PC board especially at the connecting region because the board is

easily deformed.

b) Do not drop the module.

c) Do not twist or bend the module.

d) Keep the module away from heat sources.

e) Do not dampen the module with water or other solvents.

f) Avoid storage or using the module at high temperature or high humidity, as this may result in damage.

ACX705AKM

Sony Corporation

Package Outline

Unit: mm

Active area center

ACX705AKM-7

ACX705AKM-01

71.4 (Outer frame)

8.1

(75.5)

57.6 (Active area)

(33.3)

+0.1

(Window)

(3.3)

38.1

(5.93)

(8.75)

30.5

(1.15)

1.5

5.5

(6.3)

(1.7)

52.6

-0.1

( Parts area)

1.3)

(7.5)

59.6

+0.1

(Window)

(6.3)

(5.5)

71.4

0.3

(Outer frame)

(59.4)

(2)

6.4

0.3

63.4 (Cover plate)

(1.6)

(2)

0.3

0.5

(7)

0.3

(Outer frame)

(6)

(9)

+0.1
0

(Window)

-0.1

(Parts area)

(10)

(4.08)

(40.2)

38.4 (Active area)

(24.48)

27.52

0.3

7.12

40.8

+0.1
0

(Window)

(5.9)

(26.4)

5.42

44.2 (Cover plate)

(2.38)

(2)

ront sheild case

ear sheild case

lexible cable

riving board

abel

over plate

Note 1) Tolerance with no indicatin (

0.1)

2) : control dimension (minimum)

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