Chip on Glass for LCD Display

Chip on Glass for LCD Display

chip on glass for LCD display
chip on glass for LCD display ADG12864A16
Model No. ADG12864A16
►128x64 COG display
►Graphic LCD

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Product Details

chip on glass for LCD display

chip on glass for LCD display ADG12864A16

Model No. ADG12864A16

►128x64 COG display

►Graphic LCD

►Built-in controller ST7565P-G

►5V power supply

►1/65 Duty, 1/9 Bias

►Interface : Serial Interface MPU

Description of chip on glass for LCD display

The chip on glass for LCD display package offers high quality with the benefits of light weight, and low power consumption. Also,chip on glass for LCD display is available to add a connection board for each item to change the interface from FPC to pins or cables.

1. FEATURES

The features of LCD are as follows

* Display mode : FSTN, Negative, Transmissive

* Color : Display dot : WHITE

Background: Black

* Display Format : 128Dots × 64 Dots graphic

* IC : SITRONIX ST7565P-G

* Interface Input Data : Serial Interface MPU

* Driving Method : 1/65 Duty, 1/9 Bias

* Viewing Direction : 6 O’clock

* Backlight : LED(White)

2. MECHANICAL SPECIFICATIONS

Item

Specification

Unit

Module Size

63(W) X 42.5(H) X 5.0(T)

mm

Viewing Area

59.0MIN(W) X 32.0MIN(H)

mm

Effective Display Area

55.01(W) X 27.49(H)

mm

Number of Dots

128 X 64 Dots

 

Dot Size

0.40(W) X 0.40(H)

mm

Dot Pitch

0.43(W) X 0.43(H)

mm

3. ELECTRICAL SPECIFICATIONS (Continued)

3-2-1.Electrical Characteristics

Item

Symbol

Test
Condition

Min.

Typ.

Max.

Unit

Supply Voltage For Logic

VDD - VSS

Ta=25℃

2.7

3.0

3.3

V

Supply Voltage For LCD

VDD - V5

Ta=25℃

8.7

9.0

9.3

V

Input Voltage

“H” Level

V IH

Ta=25℃

0.8VDD

 

VDD

V

“L” Level

V IL

VSS

 

0.2VDD

V

Output Voltage

“H” Level

V OH

IOH= -0.5mA

0.8VDD

-

VDD

V

“L” Level

V OL

IOL= 0.5mA

VSS

-

0.2VDD

V

Current Consumption

IDD

VIN = VDD

-

0.60

2.0

mA

NOTE: 1) Duty ratio=1/65, Bias=1/9 2) Measured in Dots ON-state

3-3. Backlight

3-3-1. Absolute Maximum Ratings

(Unless otherwise specified, the ambient temperature Ta = 25℃)

Item

Symbol

Conditions

Ratings

Unit

Absolute maximum forward current

IFm

 

-

mA

Peak forward current

IFp

1 msec Plus 10% duty Cycle

-

mA

Reverse Voltage

Vr

 

-

V

Power Dissipation

Pd

 

-

mW

Operating Temperature Range

Top

 

-

Storage Temperature Range

Tst

 

-


3-3-2. Electronic Characteristics

(Unless otherwise specified, the ambient temperature Ta = 25℃) 

Item

Symbol

Min.

Typ.

Max

Unit

Condition

Forward Voltage

VF

-

-

-

V

If= mA

Reverse Current

IR

-

-

-

mA

Vr= V

Peak wave length

λP

-

-

-

nm

If= mA

Spectral Line Half Width

△λ

-

-

-

nm

If= mA

Luminance

Lv

-

-

-

cd/m²

If= mA

Uniformity

-

-

-

%

MIN/MAX*100%

* The brightness is measured without LCD panel

4. POWER SUPPLY and BLOCK DIAGRMA

4-1. Power supply

When the voltage regulator internal resistor is used.

(Example where VDD2=VDD, with 4x step-up)

5.jpg

4-2. Block diagram

6.jpg

5. ELECTRO – OPTICAL CHARACTERISTICS

Item

Symbol

Temp.

Min.

Typ.

Max.

Unit

Conditions

Note

Viewing
Angle

Θ2 –Θ1

25℃

30

82

-

Deg.

-

1,2

Φ

60

94

-

Contrast
Ratio

Cr

25℃

2

5

-

-

Θ=0°
Φ=0°

3

Response
Time(rise)

Tr

25℃

-

95

250

ms

Θ=0°
Φ=0°

4

0℃

-

950

1150

Response
Time(fall)

Tf

25℃

-

179

250

ms

Θ=0°
Φ=0°

4

0℃

-

950

1150

Note1. Definition of Angle Θ&Φ

Note2. Definition of Viewing Angle Θ1&Θ2

1(001).jpg

2(001).jpg

Note3. Definition of Contrast Cr

Note4. Definition of Optical Response

3(001).jpg

4(001).jpg

6. Interface Pin Function

Pin NO.

Symbol

I / O

Functions

18

VDD

Power
Supply

Shared with the MPU power supply terminal VCC

13~17

V0~V4

Power
Supply

This is a multi-level power supply for the liquid crystal drive.

12

CAP2-

O

DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2+ terminal.

11

CAP2+

O

DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2- terminal.

10

CAP1+

O

DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1- terminal.

9

CAP1-

O

DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1+ terminal.

8

CAP3+

O

DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1- terminal.

7

VSS

Power
Supply

This is a 0v terminal connected to the system GND.

6

VOUT

O

DC/DC voltage converter. Connect a capacitor between this terminal and vss

5

D7 (SI)

I/O

Serial data input

4

D6 (SCL)

I/O

The serial clock input

3

RS (A0)

I

This is connect to the least significant bit of the normal MPU address bus

2

/RES

I

When RES is set to “L”, the settings are initialized.

1

/CS1

I

This is the chip select signal.

7.jpg

FAQ

Amotec Display offers a range of standard COG modules in the common technologies, such as STN or FSTN, as well as in transflective-, transmissive- or reflective version. Depending on type, the LCD can be illuminated with a backlight (e.g. white, blue, yellow/green, green, RGB).

COG LCD modules (chip on glass for LCD display ) monochrome display provides graphic type in resolution of 128x64 to 320x240 and COG LCD character types including size of 16x2, 20x2, 20x4, 24x2 formats with 5x8 dot matrix.

COG LCD modules can be more compact, reliable, cost effective, and require a lower currency than COB LCD modules. Most of our COG LCD modules are custom made, which our engineers are more than happy to assist you in the design process. If you have design ideas, drawings, specifications, or samples and would like our assistance, please contact us and we will be happy to help design products to meet your specifications, schedule, and budget.

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