2.31 inch lcd display screen

2.31 inch tft display suppliers provide 2.31 inch tft displays all over the world. 2.31 inch tft display is an essential item for many businesses and 2.31 inch tft display suppliers provide 2.31 inch tft displays to these businesses.

2.31 inch tft display suppliers provide 2.31 inch tft displays to businesses of all sizes, from small businesses to large corporations. 2.31 inch tft display suppliers have a variety of 2.31 inch tft displays to choose from, so businesses can find the right 2.31 inch tft display for their needs.

2.31 inch tft display suppliers provide 2.31 inch tft displays to businesses in a variety of industries, including retail, manufacturing, food and beverage, healthcare, and more. 2.31 inch tft display suppliers provide 2.3I nch t ft displays to businesses all over the world, so businesses can find the right 2 .3 1inch t ft display for their needs .

DESCRIPTION

HC-230HJ4001 is a 2.31 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×240 pixels. This size TFT LCD display is portrait mode with wider viewing angle by POL adjustment, left: 70/right: 70/up: 70/down: 60 degrees (typical).Optional RTP or CTP.

This HC-230HJ4001 module has built-in ILI9342C controller IC, supports RGB 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 instrumentation , 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	2.31	inch
LCM Dimension	55（W）* 47.55（H） * 2.75(T)	mm
LCD Active Area	46.75* 35.06	mm
Number Of Dots	320×240	pixel
LCD Type	a-Si TFT
Viewing Direction	6 o’clock
Driver IC	ILI9342C
Interface Type	RGB
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	2 LEDs
Brightness	380	cd/m2

Interface

LCM PIN Definition

NO.	Symbol	Description
1	NC	NC
2	NC	NC
3	VGL	Capacitor for po wer setting
4	C4P	Capacitor for charge pump
5	C4M	Capacitor for charge pump
6	VGA	Capacitor for po wer setting
7	NC	NC
8	VCAC	Capacitor for po wer setting
9	VINT3	Capacitor for po wer setting
10	C3P	Capacitor for charge pump
11	C3N	Capacitor for charge pump
12	VINT2	Capacitor for po wer setting
13	C2P	Capacitor for charge pump
14	C2M	Capacitor for charge pump
15	NC	NC
16	C1P	Power transistor gate signal for the boost converter
17	C1M	Main boost regulator feedback input.
18	PGND	Ground
19	PVDD	POWER SUPPLY
20	NC	NC
21	LEDA	BACKLIGHT ANODE
22	NC	NC
23	LEDK	BACKLIGHT CATHODE
24	NC	NC
25	GND	Ground
26	VCC	POWER SUPPLY
27	CS	Chip Select
28	SDA	Serial Data Input
29	SCL	Serial  Clock
30	HS	Line Synchronizing Signal
31	VS	Frame Synchronizing Signal
32	DCLK	Dot Clock Signa
33-38	D5-D0	Data Bus
39-40	NC	NC

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	—	30	40	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	—	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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