1.77″ 128×160 High Brightness TFT LCD

Model No. WF18HSLAADNN0

Size：1.77 inch
Resolution：128×160 dots
View Direction: 6H
Interface: SPI
Driver IC：ST7735S
Control-Board : No
Brightness(cd/m²): 900
Frame Through Hole: No
Touch Screen : Without touch screen

Categories: Standard TFT Color Display, TFT LCD

Description

WF18HSLAADNN0 is a portrait mode 128×160 TFT LCD display module with a diagonal size of 1.77 inches, and the active area is 28.03 x 35.04 mm. This TFT display provides a resolution of 128 x 160 dots, a high brightness of 900 cd/m2 (typical value), contrast ratio of 500:1 (typical value), view direction of 6 o’clock, and gray scale Inversion direction of 12 o’clock.

The module is built-in with ST7735S driver IC, supporting SPI interfaces. Its power supply voltage is from 2.5V to 3.7V, with a typical value of 2.75V. The operation temperatures range from -20℃ to +70℃, while the storage temperatures cover from -30℃ to + 80℃. WF18HSLAADNN0 can be used in a wide range of applications, from portable devices and household appliances to toys and medical devices.

Drawing

SPECIFICATIONS

LCM PIN Definition

Pin	Symbol	I/O	Function
1	LED+	P	Back light anode
2	LED-	P	Back light cathode
3	SPI4W (VCC=4 WIRE)	I	– SPI4W=’0′, 3-line SPI Enable. – SPI4W=’1′, 4-line SPI Enable. -If Not Used, Please fix this Pin at DGND Level.
4	VCC	P	Power Supply.
5	GND	P	Ground
6	CS	I	Chip enable (CSX)
7	RST	I	Reset signal (RESX)
8	SDA	I/O	Serial input/output signal in serial interface mode.
9	SCL	I	In Serial Interface, this is used as SCL.
10	D/C	I	Data/ command selection. (D/CX)

General Specifications

Item	Dimension	Unit
Size	1.77	inch
Dot Matrix	128 × RGB × 160(TFT)	dots
Module dimension	34.0(W) × 45.83(H) × 2.65(D)	mm
Active area	28.03 × 35.04	mm
Dot pitch	0.073 × 0.219	mm
LCD type	TFT, Normally White, Transmissive
View Direction	6 o’clock
Gray Scale Inversion Direction	12 o’clock
Aspect Ratio	Portrait
IC	ST7735S or Equivalent
Interface	SPI
Backlight Type	LED, Normally White
Touch Panel	Without Touch Panel
Surface	Anti-Glare

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	+70	℃
Storage Temperature	TST	-30	－	+80	℃

Electrical Characteristics

1.Operating conditions：

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Analog	VCI	－	2.5	2.75	3.7	V
Supply LCM current	ICI(mA)	－	－	0.9	2	mA

2. LED driving conditions：

Parameter	Symbol	Min	Typ	Max	Unit
LED current	–	–	40	–	mA
Power Consumption	–	–	124	–	mW
LED voltage	VBL+	2.9	3.1	3.4	V
LED Life Time	–	–	50,000	–	Hr