2.8 inch lcd display screen

2.8 inch LCD display screen suppliers provide 2.8 inch LCD screens all over the world. 2.8 inch LCD screens have many benefits. 2.8 inch LCD screens are lightweight, thin and portable.

2.8 inch LCD screens are also very durable, and they have a wide viewing angle. 2.8 inch LCD screens are perfect for use in small electronic devices such as digital cameras, MP3 players and mobile phones.

2.8 inch LCD screens are also very affordable, making them an excellent choice for budget-minded consumers. 2.8 inch LCD display suppliers provide 2.8 inch LCD screens all over the world, making it easy for consumers to find the perfect screen for their needs.

DESCRIPTION

HC-280CI2405 is a 2.8inch tft lcd display module with optional resistive touch screen and capacitive touch screen control with a resolution of 240×320 pixels. This size TFT LCD monitor is portrait mode with wider viewing angle by POL adjustment, Left: 45 / Right: 45 / Top: 50 / Bottom: 20 degrees (typical).Optional RTP or CTP.

This HC-280CI2405 module has built-in ST7789V controller IC, supports SPI interface, power supply voltage (VCC) range is 3.0V to 3.6V, brightness is 380 nits (typ), and contrast ratio is 800:1. This module is a medical device , communication equipment and other industrial ideal choice. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

SPECIFICATIONS

General Specifications

Item	Contents	Unit
Size	2.8	inch
LCM Dimension	50.00（W）* 69.20（H） * 2.30(T)	mm
LCD Active Area	43.20* 57.60	mm
Number Of Dots	240×320	pixel
LCD Type	a-Si TFT
Viewing Direction	12 o’clock
Driver IC	ST7789V
Interface Type	SPI
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	4 LEDs
Brightness	380	Cd/m2

Interface

LCM PIN Definition

NO.	Symbol	Description
1	LEDA	BACKLIGHT ANODE
2	LEDK	BACKLIGHT CATHODE
3	LEDK	BACKLIGHT CATHODE
4	LEDK	BACKLIGHT CATHODE
5	LEDK	BACKLIGHT CATHODE
6	GND	Ground
7	NC	NC
8	RESET	Reset pin
9	CS	Chip Select
10	SCK	Serial  Clock
11	RS	Destination register selection.
12	NC	NC
13	VCC	POWER SUPPLY
14	SDI	Serial Data Input
15	SDO	Serial Data Output
16	NC	NC
17	NC	NC
18	NC	NC
19	NC	NC
20	NC	NC
21	NC	NC
22	NC	NC
23	NC	NC
24	GND	Ground

DC Characteristics

Item	Symbol	Min	Typ	Max	Unit
TFT gate on voltage	VGH	—	15	—	V
TFT gate off voltage	VGL	—	-10	—	V
TFT common electrode Voltage	Vcom	—	-1	—	V

Typical Operation Conditions

Item	Symbol	Min.	Typ.	Max.	Unit
Analog Supply Voltage	VCI	2.5	2.8	3.3	V
Digital Supply Voltage	VDD	2.5	2.8	3.3	V
I/O Supply Voltage	IOVCC	1.65	1.8/2.8	3.3	V
Input High Voltage	VIH	0.8*IOVCC	–	IOVCC	V
Input Low Voltage	VIL	0	–	0.2*IOVCC	V
Output High Voltage	VOH	0.8*IOVCC	–	–	V
Output Low Voltage	VOL	–	–	0.2*IOVCC	V

Backlight Circuit Characteristics

Item	Symbol	Min.	Typ.	Max.	Unit
LED Current	IB	—	60	80	mA
LED Voltage	Vf	2.8	3.0	3.2	V
CIE	X	0.25	0.30	0.35
	Y	0.26	0.31	0.36
Brightness of LCM	L	—	380	—	cd/m2

Reliability Test Items

Test Item	Test Condition	Test result determinant gist
High temperature storage	80±3 ℃，48H；
Low temperature storage	~30±3 ℃，48H；
High temperature storage	70±3 ℃，48H；	Inspection after 2~4hours storage at  roomtemperature,
Low temperature operation	~20±3 ℃，48H；	the sample shall be free from defects:
High temperaturehumi/dity	60℃±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~10Hz	3.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；

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