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3.5 inch tft lcd display screen

►Resolution : 480X800 dots
►View Direction: IPS
►Interface: RGB(24bit/18bit/16bit)
►Driver IC: ST7701S
►Brightness(cd/m²): 480
►Outline Dimension: 51.32(W)* 86.61(H) * 2.1(T) mm
►RTP/CTP: Optional


The C35B5102 is a 3.5 inch tft lcd display screen with optional resistive touch screen and capacitive touch screen control with a resolution of 480×800 pixels. This size TFT LCD monitor is portrait mode, TFT panel adopts IPS panel, Left: 85 / Right: 85 / Top: 85 / Bottom: 85 degrees (typical). Optional RTP or CTP.

This C35B5102 module has built-in ST7701S controller IC, supports RGB (24bit/18bit/16bit) interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typical value), and the contrast ratio is 800:1 .This module is ideal for medical equipment, communication equipment, etc. industry. The module can operate from -10°C to +70°C; its storage temperature range is -20°C to +80°C


3.5inch tft lcd display screen


General Specifications

LCM Dimension51.32(W)* 86.61(H) * 2.1(T)mm
LCD Active Area45.36 * 75.60mm
Number Of Dots480×800pixel
LCD Typea-Si TFT
Viewing DirectionIPS
Driver ICST7701S
Interface TypeRGB(24bit/18bit/16bit)
Operating Temperature-10℃~ 70℃
Storage Temperature-20℃~ 80℃
Backlight Type7 LEDs
Brightness480 cd/m2


LCM PIN Definition

3YUTouch Panel Up
4XLTouch Panel Left
5YDTouch Panel Down
6XRTouch Panel Right
9NCNot Connect
11TENot Connect
12SDOSerial Data Output
13SDISerial Data Input
14SCLSerial  Clock
15CSChip Select
16RESETReset pin
17-40DB23-DB0Date BusUsedUnused
16-bit busDB21~17, DB13~8,


DB23~22, DB16~14,

DB7~6, DB0

18-bit busDB21~16, DB13~8,


DB23~22, DB15~14,


24-bit busDB23~D0
41ENABLEData Enable Signal
42DOTCLKDot Clock Signa
43HSYNCLine Synchronizing Signal
44VSYNCFrame Synchronizing Signal
45LEDPWMCABC Contral Pin
46-50NCNot Connect

DC Characteristics

TFT gate on voltageVGH15V
TFT gate off voltageVGL-11V
TFT common electrode VoltageVcom0V

Typical Operation Conditions

Analog Supply VoltageVCI2.52.83.3V
Digital Supply VoltageVDD2.52.83.3V
I/O Supply VoltageIOVCC1.651.8/2.83.3V
Input High VoltageVIH0.8*IOVCCIOVCCV
Input Low VoltageVIL00.2*IOVCCV
Output High VoltageVOH0.8*IOVCCV
Output Low VoltageVOL0.2*IOVCCV

Backlight Circuit Characteristics

LED CurrentIB20mA
LED VoltageVf20.32123.1V
Brightness of LCML350480cd/m2

Reliability Test Items

Test ItemTest ParametersKey factors for determining test results
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;

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.
±8KV, Air Mode, 150pF/330Ω;

The 3.5-inch screen has always had the characteristics of good display effect, thinness and low power consumption, so it is favored by many smart terminal products. In the most common key industries and medical industries, today we will talk about the specifications and parameters of products that 3.5-inch screens are widely used in the industrial and medical industries. I also look forward to knowing about 3.5-inch screens ‘s assistance.
The resolution of the 3.5-inch screen generally belongs to ordinary definition and high definition, and the most common resolutions are horizontal screen: 320*240, vertical screen: 320*480 and high-definition 640*960. Currently, these resolutions are most widely used on 3.5-inch displays.

The horizontal screen 320*480 is the most widely used in the industrial industry, and the horizontal screen resolution is also widely used in the medical industry; the 320*240 3.5-inch screen is often used in industrial instruments, industrial portable equipment, etc. The 3.5-inch landscape screen is designed with an iron frame. High temperature and low temperature are wide temperature design, stainless steel material is more durable. It is also very suitable for industrial and medical industries.
And the use of 3.5-inch displays in the medical industry is also very common, such as: ventilators, monitors, electrocardiogram oximeters, spirometers and other medical instruments. The 3.5-inch screen and the resolution used are also relatively high, 320*240*480*854.320*480 and high-definition 640*960 are used.
Hongcai Technology has a series of 3.5-inch screens, including resolution, interface, brightness, high temperature, low temperature and other parameters and specifications, and supports customized services such as touch screens.

Hongcai has been deeply involved in the medical industry for many years and can provide customers with professional solutions. Welcome customers with related needs to consult customer service.


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