2.2 inch lcd display screen

2.2 inch lcd display screen suppliers have been in high demand as of late due to the outbreak of the coronavirus. Hospitals, schools, and businesses have been scrambling to get their hands on 2.2 inch lcd displays to help prevent the spread of the virus.

The 2.2 inch lcd display is perfect for displaying vital information such as temperature checks, handwashing instructions, and safety procedures. 2.2 inch lcd display suppliers have been working around the clock to keep up with the demand and are doing their best to get 2.2 inch lcd displays into the hands of those who need them most. Thanks to the 2.2 inch lcd display, we can all help to prevent the spread of the virus and keep our loved ones safe.

DESCRIPTION

K220A24101 is a 2.2 inch lcd display module with optional resistive touch screen and capacitive touch screen control with a resolution of 176×220 pixels. This size TFT LCD display is portrait mode with wider viewing angle by POL adjustment, left: 45/right: 45/up: 45/down: 20 degrees (typical).Optional RTP or CTP.

This K220A24101 module has built-in ILI9225G 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 handheld device, home Ideal for industries such as electrical appliances. 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	2.2	inch
LCM Dimension	40.20（W）* 55.60（H） * 2.35(T)	mm
LCD Active Area	34.85* 43.56	mm
Number Of Dots	176×220	pixel
LCD Type	a-Si TFT
Viewing Direction	12 o’clock
Driver IC	ILI9225G
Interface Type	MCU
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	4 LEDs
Brightness	390	cd/m2

LCM PIN Definition

NO.	Symbol	Description
1	GND	Ground
2	VDD	POWER SUPPLY
3	RESET	Reset pin
4	CS	Chip enable, Low-active.
5	RS	Data/Command register address.
6	WR	Write signal, rising-edge-trigger.
7	RD	Read signal, rising-edge-active.
8	IM0	I/O  choose
9	GND	Ground
10	VDD	POWER SUPPLY
11	DB8	Data Bus
12	DB9	Data Bus
13	DB10	Data Bus
14	DB11	Data Bus
15	DB12	Data Bus
16	DB13	Data Bus
17	DB14	Data Bus
18	DB15	Data Bus
19	GND	Ground
20	GND	Ground
21	LEDK3	BACKLIGHT CATHODE
22	LEDK2	BACKLIGHT CATHODE
23	LEDK1	BACKLIGHT CATHODE
24	LEDA	BACKLIGHT ANODE

DC Characteristics

Item	Symbol	Min	Typ	Max	Unit
TFT gate on voltage	VGH	—	15	—	V
TFT gate off voltage	VGL	—	-7.5	—	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	0.265	0.295	0.325
	Y	0.26	0.29	0.32
Brightness of LCM	L	—	390	—	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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