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Home > Products > TFT LCD > 1.54 Inch TFT LCD > 1.54 Inch Square LCD Display

1.54 Inch Square LCD Display

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Product Attributes

Model No.154021S0-LCM

Supply Ability & Additional Informations

Payment TypeT/T

TFT stands for "thin-film transistor." LCD stands for "Liquid Crystal Display." Both terms refer to the flat-panel display, or screen, of a computer monitor or television set. TFT displays are made using large sheets of transistors, each one of which is controlled independently. A TFT screen is an "active-matrix" screen where each pixel of the display is illuminated individually.A TFT display is sharper and brighter than a common Lcd Display. It refreshes more quickly than a regular LCD display and shows motion more smoothly.TFT displays use more electricity than regular LCD screens, so they not only cost more in the first place, but they are also more expensive to operate.



Model: 154021S0
Resolution: 240*240
Viewing angle: IPS
Color: 65K
Features: ultra-high brightness 1100cd/m2, full viewing angle, ultra-thin design with integrated backlight, low power consumption, square structure, etc.
Application areas: two-wheeled vehicle dashboard, smart wear, medical equipment, instrumentation, digital electronics, smart home, white goods, etc.


Img 20191219 095618Img 20191219 095556Img 20191219 095656Img 20191219 095556

Model Number

154021S0

size

1.54

Inch

LCD Type

Normally black

--

Drive element

TFT active matrix

--

Number of pixels

240*3RGB(H)X240(V)

Dots

Pixel arrangement

RGB stripe

--

Pixel Pitch (W*H)

0.1115(H) *0.1115 (V)

mm

Active area

27.27(H) * 27.27(V)

mm

Model Number

TXW154005S0

LCM Mechanical Outline Size(W*H*T)

31.52 *33.72 *1.65

mm

Viewing direction

ALL O’CLOCK

-

LCM Driver IC

ST7789V

-

LCM interface

MCU 8 Bit Interface

-

Lcm pin n count

20

Backlight leds

3

pcs

Backlight current

20

ma

Backligh voltage

9.6

v

operating temperature

-20+70

storage temperature

-30+80

Lumens degrees

1100

Cd/㎡


1. Introduction

1.1 Scope of application

This specification applies to the LCD module that is supplied by Tian Xian Wei

Technology CO., LTD.

LCD specification: Dots 240xRGBx240.

As to basic specification of the driver IC, refer to the IC (ST7789V)

specification and data book.

All material & processing of the LCD module should be Lead Free.

1.2 TFT features:

Structure: TFT PANNEL+IC +FPC+BL;

IPS Type LCD

240dot-segment and 240 dot-common outputs;

65K Color can be selected by software;

White LED back light;

Mcu 8bit l interface

1.3 Applications:


2. LCM General specification

ITEM

Sandard value

Unit

LCD Type

Normally Black

--

Drive element

TFT active matrix

--

Number of pixels

240*3RGB(H)X240(V)

Dots

Pixel arrangement

RGB stripe

--

Pixel Pitch (W*H)

0.1155(W) × 0.1155(H)

mm

Active area

27.72(W) ×27.72 (H)

mm

Viewing direction

ALL OCLOCK

-

TFT Driver IC

ST7789V

TFT interface

Mcu 8bit l interface

-

Module Size(W*H*T)

31.52(W) ×33.71(H) ×1.55(D)

mm

Approx. Weight

TBD

g

3.Absolute Maximum Rating

Characteristics

Symbol

Min.

Max.

Unit

LCM Operating Temperature

TOPR

-20

+70

°C

LCM Storage Temperature

TSTG

-30

+80

°C

TP Operating Temperature & Humidity(20% ~ 90%RH)

TOPR

°C

TP SStorage Temperature & Humidity(20% ~ 90%RH)

TSTG

°C

Humidity

RH

-

90

%

4.Electrical Characteristics

4.1 TFT DC Characteristics

Characteristics

Symbol

Min.

Typ.

Max.

Unit

Supply Voltage for I/O

VDDIO

V

Supply Voltage for(DC/DC)

VDD

2.5

2.8

3.6

V

Supply Voltage for(DC/DC)

AVDD

V

Supply Voltage for(DC/DC)

AVEE

V

Current Consumption

IDD

-

TBD

-

mA

IDD-SLEEP

TBD

uA

4.2 Back-Light Unit Characeristics

The back-light system is an edge-lighting type with 3 white LEDs. The characteristics of the back-light are shown in the following tables.

Characteristics

Symbol

Min.

Type

Max.

Unit

Notes

Forward Voltage

VF

8.5

9

10.5

V

-

Forward current

IF

--

20

-

mA

-

Luminance(With LCD)

Lv

900

1000

1100

cd/m2

-

LED life time

N/A

----

30,000

--

Hr

Note 1

Note:

(1) The “LED life time” is defined as the module brightness decrease to 50% of original brightness at IL=20mA/LED. The LED life time could be decreased if operating IL is larger than 25mA/LED.

Backlight circuit diagram shown in below:

5. Module Function Description

Pin No.

Symbol

Description

1

LEDA

BACKLIGHT +

2

LEDK

BACKLIGHT-

3

GND

System Ground

4

VDD

POWER SUPPLY 2.4V ~ 3.3V

5

VDD

POWER SUPPLY 2.4V ~ 3.3V

6

GND

System Ground

7-14

DB7-DB0

MCU parallel interface data bus

15

RD

Read enable in 8080 MCU parallel interface.

16

WR

Write enable in MCU parallel interface

17

NC

NC

18

NC

NC

19

CS

Chip selection pin

20

RS

Display data/command selection pin

21

RESET

Hardware reset

22-27

NC

NC

28

GND

System Ground

29

NC

NC

30

GND

System Ground

6. Timing Characteristics


7.Optical Characteristics

Items

Symbol

Condition

Specifications

Unit

All left side

data are based

on TIAN XIAN WEI product

reference only

Min.

Typ.

Max.

Contrast Ratio

CR

-

800

-

-

Response Time

TBRB + TBFB

-

30

-

ms

-

-

-

ms

Chromaticity

Red

XBRB

/

-

YBRB

/

-

Green

XBGB

/

-

YBGB

/

-

Blue

XBBB

/

-

YBBB

/

-

White

XBWB

0.28

0.31

0.34

-

YBWB

0.29

0.32

0.35

-

Viewing angle

Hor.

f1(3 oclock)

Center

CR≥10

-

80

-

deg.

f2(9 oclock)

-

80

-

Ver.

q2(12 oclock)

-

80

-

q1(6 oclock)

-

80

-

Uniformity

--

%

Note 1: Definition of Contrast Ratio (CR):

The contrast ratio can be calculated by the following expression.

Contrast Ratio (CR) = L63 / L0

L63: Luminance of gray level 63

L0: Luminance of gray level 0

CR = CR (10)

CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note 5.

Note 2: Definition of Response Time (TR, TF):


The above “Viewing Angle” is the measuring position with Largest Contrast Ratio; not for good

image quality. View Direction for good image quality is 6 O’clock. Module maker can increase

the “Viewing Angle” by applying Wide View Film.

Note 4: Measurement Set-Up:

The LCD module should be stabilized at a given temperature for 20 minutes to avoid abrupt

temperature change during measuring. In order to stabilize the luminance, the measurement

should be executed after lighting Backlight for 20 minutes in a windless room.


9. Packing Method(包装参考)

Packing material description包装材料说明


材料名称

name of the material

规格参数
specification parameter

用量(PCS)

dosage

包装方法及要求

Packing method and requirements

吸塑盘

Blister tray

380*280*13*0.5mm

50

1.将合格品放入吸塑盒内,每共放32pcs

1. Put qualified products into the blister box with a total of 32pcs per plate.

2.每层吸塑盒上垫一珍珠棉,然后将吸塑错盘叠加放。

Put one piece of pearl cotton on each layer of blister box, and then superimpose the blister tray.

3.5盒吸塑盘加一个空保护盘,放入一个内箱纸箱内。

Add an empty protection plate to the 5 boxes of blister plates and put them into an inner carton.

4.10个内箱包装好放入外箱内。

Pack 10 inner boxes into outer boxes.

5.填写好标签贴于外箱统一位置。

Fill in the label and stick it in the same position of the outer box.

6.尾数箱必须用纸箱同等规格的吸塑/纸格板/珍珠棉及其他填充物填充

The rest of the boxes must be made of the same specifications of plastic/cardboard/pearl cotton and other fillings.

珍珠棉

pearl wool

370*270*13.5mm

50

内箱纸箱

Inside the box carton

410*300*75mm

10

外箱纸箱

Carton carton

620*430*410mm

1

注意事项(Notes)

1、装箱时要特别留意,避免短装、多装。

Pay special attention to packing, avoid short-loading and over-loading.

2、客户、品名、数量、生产日期不能写错。

Customer, product name, quantity and production date shall not be written wrong.

3、作业员必须戴手套作业。

Operators must wear gloves to work.

4﹑包装物料必须清洁干净,不能有杂物出现。

Packaging materials must be clean and free from sundries.

- END -



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