4寸小模块1 4 tft lcd手册

PRODUCTSPECIFICATIONFORLCDMODULE

Revision:V0

ModelNo:BL144002

ModuleType:COG+FPC+B/L

APPROVEDSIGNATURE

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ApprovedProductSpecificationandSamples

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Contents

GeneralDescription 3

Physical Features 3

MechanicalSpecification 3

OutlineDimension 4

AbsoluteMaximumRatings 5

ElectricalCharacteristics 5

ModuleFunctionDescription 6

BacklightCharacteristics 11

Electro-OpticalCharacteristics 12

Reliability 14

InspectionStandards 15

PrecautionsForUsingLCDModules 22

RecordsOfVersion 23

GeneralDescription

BL144002isatransmissivetypea-SiTFT-LCD(amorphoussiliconthinfilmtransistorliquidcrystaldisplay)module,whichiscomposedofaTFT-LCDpanel,adrivercircuitandabacklightunit.Thepanelsizeis1.44inchandtheresolutionis128*128,thepanelcandisplayupto262Kcolors.TheLCMcanbeeasilyaccessedbyMCUinterface

Physical Features

DisplayMode

TFT-LCDModule

ActivematrixTFT,Transmissivetype

DisplayFormat

Graphic128·RGB·128Dot-matrix

InputData

TheDatainputbyMCUinterface

ViewingDirection

12O’clock

Drive

ST7735S

MechanicalSpecification

Item

Contents

Unit

Modulesize(W·H·T)

33.30·38.20·2.30

mm

Numberofdots

128*RGB·128

Activearea(W·H)

25.4976·26.496

mm

弯折区

元件区

元件区

FPC折弯后示意图

FORISETECHNOLOGYLIMITED

OutlineDimension

4

FORISETECHNOLOGYLIMITED

第三视角:

产品型号:

部品型号:

LCM外形图

确认：

版本：

单位:

审核：

日期:

版本 更改内容 拟定 日期

比例：

设计：

页码：

AbsoluteMaximumRatings

Item

Symbol

Min

Max

Unit

Remark

PowerVoltage

VCC

-0.3

4.8

V

Note1、Note2

InputVoltage

VIN

-0.3

IOVCC+0.3

V

Operatingtemperature

TOPR

-20

70

℃

Storagetemperature

TSTR

-30

80

℃

Humidity

90

%RH

Remark:

Note1)IOVCC,VSSDmustbemaintained.Note2)TomakesureIOVCC≥VSSD.

ElectricalCharacteristics

Item

Symbol

Rating

Unit

Remark

Min

Typ

Max

PowerVoltage

Logic

VCC

2.5

2.75

4.8

V

Note1

InputVoltage

Llevel

VIL

VSSD

0.3IOVCC

V

IOVCC=1.65-

3.3V

Hlevel

VIH

0.7IOVCC

IOVCC

V

LCDDrivePower

current

ILCD

mA

Remark:

Note1:Vcommustbeadjustedtooptimizedisplayquality:Cross-talk,ContrastRatioandetc.

ModuleFunctionDescription

SoureDriver

GateDriver

ST7735S

PIN1 PIN20

Interface

1.44”TFT-LCD

128*128Dots

BackLight

7-1.BlockDiagramOfLCM

7-2.PinDescription

PINNO.

Symbol

I/O

Description

1

GND

I

Ground

2

RESET

I

Resetpin.

3

RS

I

Displaydata/commandSelection

4

WR

I

WriteEnable

5

RD

I

ReadEnable

6-13

D0-D7

I/O

Databus.

14

CS

I

Chipselectpin

15

VCCIO

I

PowerSupplyforI/Osystem.

16

IC-ID

NC

NC

17

VDD

I

Powersupply

18

VLED+

BLPOWERSUPPLY

Anodepinofbacklight

19

VLED-

BLPOWERSUPPLY

Cathodepinofbacklight

20

GND

I

Ground

20

IOVCC

I

PowerSupplyforI/Osystem.

7-3.TimingCharacteristics

7.3.1

BacklightCharacteristics

Item

Symbol

Min

Typ

Max

Unit

Remark

Forwardvoltage

Vbl

-

3.2

-

V

-

Current

IBL

-

15

-

mA

-

ICE

X

0.25

-

0.31

-

Y

0.25

-

0.31

-

-

Brightness

-

2300

-

-

cd/m²

Uniformity

-

80

-

-

%

Electro-OpticalCharacteristics

Reliability

ITEM

CONDITIONS

CRITERION

OPERATINGTEMPERATURE

HIGHTEMPERTURE+70℃48HRS

NODEFECTINDISPLAYINGANDOPERATIONALFUNCTION

LOWTEMPERTURE-20℃48HRS

STORAGETEMPERATURE

HIGHTEMPERTURE+80℃48HRS

NODEFECTINDISPLAYINGANDOPERATIONALFUNCTION

LOWTEMPERTURE-30℃48HRS

HUMIDITY

60℃90%RH48HRS

NODEFECTINDISPLAYINGANDOPERATIONALFUNCTION

InspectionStandards

2.Basicconditionsforinspection

TheLCMfacetous,innormalenvironment,theluxis1000±200.(Darkroom’slux:100±50),

Aboutanangleofincidence30,adistanceof30cmwithnormaleye,withanangleof45degreetochecktheproductswithoutuncoveringthefilm!

(Asshown