ACX705AKM_1 SONY [Sony Corporation], ACX705AKM_1 Datasheet

ACX705AKM_1

Manufacturer Part Number

ACX705AKM_1

Description

Low Temperature Polycrystalline Silicon 6.9 cm (2.7-type) 1/8 VGA Color Reflective LCD Module with Built-in Low-power 3-bit D/A Converter

Manufacturer

SONY [Sony Corporation]

Datasheet

1.ACX705AKM_1.pdf (2 pages)

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As the trend towards the use of color in

portable terminal display gains momen-

tum, the aspects that are most desired

in LCD modules are high-picture

quality, low-power consumption, and

miniaturization (including thinner and

lighter weight). To respond to these

desires, Sony has always approached

color reflective LCD development by

stressing basic performance. Following

the development of a 3.8-Type prod-

uct*

Type model to add to the product line.

Low Temperature Polycrystalline Silicon 6.9 cm (2.7-type) 1/8 VGA

Color Reflective LCD Module with Built-in Low-power 3-bit D/A Converter

ACX705AKM

The switch to color displays in portable information terminals

(PDAs) and multifunction portable communication terminals is

proceeding rapidly.

Sony has now developed the ACX705AKM 2.7-type 1/8 VGA color

LCD module for these markets, which desire high-picture quality

and low power. This device achieves the industry’s highest level

of display performance by using Sony’s low temperature poly-

crystalline silicon reflective LCD technology.

This device achieves high-picture quality, low power (47 mW),

and ease of use (20-pin interface) in a full module form that in-

cludes an LCD panel with a built-in low-power consumption 3-bit

D/A converter, system ICs (controller IC and driver IC), a drive

board that includes a DC-DC converter, and a highly efficient LED

front light.

The ACX705AKM features an ex-

tremely ease-to-use size that can

be used not only in products for

the rapidly growing PDA and mul-

tifunction communication termi-

nal markets, but also in a wide

variety of products limited only by

your imagination. I strongly urge

you to try this device. We are

hopeful that the market for color

LCDs for portable equipment will

grow rapidly due to Sony’s LCD

technology. Furthermore, this

newly-developed panel featuring

a built-in D/A converter repre-

sents the first step towards the

achievement of “system-on-

glass” technology, and that Sony

is committed to continued devel-

opment of this concept.

, Sony has now developed a 2.7-

With this product, Sony continues to

lead the world in portable terminal color

displays.

full module product that unifies an LCD

panel, a drive board, and a front light in

a single unit. The drive board mounts

ICs and a DC-DC converter. Since the

ACX705AKM is a full module product,

a 20-pin interface can be used, no power

supply needs to be provided, and adjust-

ment is unnecessary. Thus this product

achieves the maximum in ease of use

and at the same time achieves low-

power operation with a total power

consumption of 47 mW. (See figure 1.)

Sony’s unique circuit technology and

Sony’s low temperature polycrystalline

silicon TFT technology and includes a

built-in 3-bit D/A converter to achieve

high-picture quality, ultralow-power

consumption (10 mW for the panel

itself), and a narrow frame. (See figure

2.) This panel achieves high contrast

ratio (panel: 35:1 typical) by adopting

an advanced BDM*

that was designed for optimal optical

properties, and achieves a high reflec-

tion ratio (panel: 34% typical) by adopt-

The ACX705AKM of this release is a

The ACX705AKM LCD panel uses

A High-picture Quality,

Full Module Form

Low-power Consumption

Panel

retardation film*

ing the RMP (Random Multi Profile*

structure, and thus can respond to needs

for high-picture quality.

The ACX705AKM drive board mounts

the newly-developed CXD3507GG

controller IC and the CXD2475TQ

driver IC, and a DC-DC converter that

supplies the power required for panel

and driver IC drive. All of the compo-

nents used on this board were designed

for thin-form mounting, and thus the

board supports end product miniaturiza-

tion. The front light system uses white

LEDs as the light source and by adopt-

ing a highly efficient light guide,

achieves both adequate brightness (6 cd/

low current (15 mA) drive. Sony is com-

mitted to responding to our customers’

needs not only with panel-only products,

but with full module type products such

as this, the ACX705AKM. (See figure

3.)

1/8 VGA color reflective LCD mod-

ule

240 RGB 160 stripe arrangement

TFT panel with built-in 3-bit D/A

converter

Module includes a drive board that

mounts the controller IC, driver IC,

and DC-DC converter.

Built-in high-efficiency low-power

consumption LED front light

20-pin interface

Low power: 47 mW (module total)

*1: See Sony Cx-News, Volume 20.

*2: Birefringence Dispersion Matching

) for work in dark environments and

Drive Board with System

ICs and High-efficiency

LED Front Light

)

Related parts for ACX705AKM_1

ACX705AKM_1 Summary of contents

Page 1

Low Temperature Polycrystalline Silicon 6.9 cm (2.7-type) 1/8 VGA Color Reflective LCD Module with Built-in Low-power 3-bit D/A Converter ACX705AKM The switch to color displays in portable information terminals (PDAs) and multifunction portable communication terminals is proceeding rapidly. Sony has ...

Page 2

Pin No. Symbol (+3 GND V 2 (+3 GND 5 R0 (RGB ...

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