1.77 inch tft lcd display

1.77 inch tft lcd display

1.77 inch tft lcd display

►Resolution : 128×160 dots
►View Direction: 12 o’clock
►Interface: MCU
►Driver IC: ST7735S
►RTP/CTP : Optional
►Brightness(cd/m²): 380
►Outline Dimension: 34.70 * 46.70 *2.30(mm)

DESCRIPTION

K177B2014 is a 1.8 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 128×160 pixels. This small size TFT LCD monitor is portrait mode with wider viewing angle by POL adjustment, Left: 40 / Right: 40 / Top: 40 / Bottom: 40 degrees (typical).Optional RTP or CTP.

This K177B2014 inch module has built-in ST7735S controller IC, supports MCU interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 380 nits (typ), and the contrast ratio is 800:1. This module is a coffee machine , medical equipment and other POS systems ideal. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

General Specifications

SPECIFICATIONS

ItemContentsUnit
Size1.77inch
LCM Dimension34.70(W)* 46.70(H) *2.30(T)mm
LCD Active Area28.03* 35.04mm
Number Of Dots128×160pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICST7735S
Interface TypeMCU
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type2 LEDs
Brightness380 cd/m2

DRAWING

1.77 inch tft lcd display

Interface

LCM PIN Definition

NO.SymbolDescription
1LEDKBACKLIGHT CATHODE
2LEDABACKLIGHT ANODE
3GNDGround
4VCCPOWER SUPPLY
5IOVCCI/O   POWER SUPPLY
6TEFrame mark.
7CSChip enable, Low-active.
8RESETReset pin
9RSData/Command register address.
10WRWrite signal, rising-edge-trigger.
11RDRead signal, rising-edge-active.
12DB7Data Bus
13DB6Data Bus
14DB5Data Bus
15DB4Data Bus
16DB3Data Bus
17DB2Data Bus
18DB1Data Bus
19DB0Data Bus
20GNDGround

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-10V
TFT common electrode VoltageVcom-1V

Typical Operation Conditions

ItemSymbolMin.Typ.Max.Unit
Analog Supply Voltage VCI2.52.83.3V
Digital Supply Voltage VDD2.52.83.3V
I/O Supply Voltage IOVCC1.651.8/2.83.3V
Input High Voltage VIH0.8*IOVCCIOVCCV
Input Low Voltage VIL00.2*IOVCCV
Output High Voltage VOH0.8*IOVCCV
Output Low Voltage VOL0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB3040mA
LED VoltageVf2.83.03.2V
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML380cd/m2

Reliability Test Items

Test ItemTest ConditionTest result determinant gist
High temperature storage80±3 ℃,48H; 
 
 
Low temperature storage-30±3 ℃,48H; 
 
High temperature storage70±3 ℃,48H;Inspection after 2~4hours storage at roomtemperature,
 
Low temperature operation-20±3 ℃,48H;the sample shall be free from defects:
 
High temperature/humidity60℃±3 ℃,90%±3%RH ,48H;1.Air bubble in the LCD;
 
Thermal Shock~20℃/0.5h~+70℃/0.5h
for a total 24 cycles;
2.Non-display;
 

Vibration Test

Frequency 10Hz~55Hz~10Hz3.Glass crack;
Amplitude:1.5mm, X,Y,Z 
direction for total 1H;4. The electrical
(Packing condition) 

ESD test

±4KV, Human Body Mode,characteristics requirements shall be satisfied.
150pF/330Ω; 
±8KV, Air Mode, 150pF/330Ω;

Search keyword: tft 1.8″, 1.8 tft lcd, 1.8″ tft lcd, 1.8 inch tft lcd, tft lcd 1.8, 1.8 tft display, 1.8″ tft display, 1.8 inch tft display, tft display 1.8, tft display 1.8″,mini lcd display,mini tn,mini tft lcd,small tft lcd.

Hot Posts