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4.0 Inch Colour TFT Screen 480x800 LCD Module Display For Wise Home
4.0 Inch Colour TFT Screen 480x800 LCD Module Display For Wise Home

4.0 Inch Colour TFT Screen 480x800 LCD Module Display For Wise Home

HEM-4.0 inch TFT Transmissive Module LCD Size :4.0inch Panel Type:IPS Resolution:480*800 Module Size:56.34*95.7*2 Active Area:51.84*86.4 Driver IC:ST7701S Interface Type:RGB-24
LCD Size :4.0inch
Panel Type:IPS
Module Size:56.34*95.7*2
Active Area:51.84*86.4
Driver IC:ST7701S
Interface Type:RGB-24


Product Details



HEM-4.0 inch TFT Transmissive Module
LCD Size 4.0inch
Panel Type IPS
Resolution 480*800
Module Size 56.34*95.7*2
Active Area 51.84*86.4
Driver IC ST7701S
Interface Type RGB-24



TFT displays are a type of active-matrix liquid crystal display (LCD) that employs thin-film transistors to control individual pixels. The TFT matrix is laid over the LCD panel, allowing for precise control of each pixel's behavior. These transistors serve as switches, allowing or blocking the passage of an electric charge to each pixel.

In a TFT display, each pixel comprises three sub-pixels – one for red (R), one for green (G), and one for blue (B). These primary colors combine to create a wide spectrum of colors visible to the human eye. The transistors in the TFT layer are organized in a matrix, with each transistor corresponding to a single pixel.

When an electric charge is applied to a particular transistor, it opens, allowing current to pass through to the corresponding sub-pixel. This electric charge alters the orientation of liquid crystal molecules in the LCD layer, controlling the passage of light and resulting in the display of specific colors at that pixel.

TFT displays are often combined with touch-sensitive overlays, creating a versatile and intuitive interface for users. Capacitive and resistive touch technologies are commonly used in TFT displays. Capacitive touchscreens utilize the electrical properties of the human body to detect touch, offering a smooth and responsive user experience. Resistive touchscreens, on the other hand, rely on pressure to register touches, making them suitable for applications where gloved hands or styluses may be used.

TFT displays find applications in various industries, each harnessing the technology for different purposes. In consumer electronics, TFT displays are prevalent in smartphones, tablets, laptops, and televisions, providing users with immersive visual experiences and interactive interfaces. In the automotive industry, TFT displays serve as infotainment systems, instrument clusters, and heads-up displays, enhancing the driving experience and safety.

Moreover, TFT displays are used in medical devices, industrial control panels, gaming consoles, and many other sectors. Their versatility, coupled with advancements in display technology, has enabled the development of innovative and sophisticated products in almost every industry.


Product Application

lcd 126x294 manufacturer

We has been focused on customized TN/STN/FSTN/VA monochorome displays.
monochrome products' application:industrial control, home intelligent control,onboard instrument,official screen, mobile payment etc. personalizing custom in product family design according to custom's needs.

lcd screen application

The application of AMOLED products:intelligent wearing,  children's education
The application of TFT products:intelligent wearing,  children's education,  smart home,  industrial control medical  treatment,  mobile payment etc.


Manufacturing Capacity

We now have two complete monochrome LCD production lines, a dozen of fully automatic COG production line and the full processing capacity for COB and CTP full lamination.With a professional R&D team, Well-developed quality control system, highly effective execution and management team and a pro-innovation corporate culture. We vow to satisfy our customers by meeting the quantity and quality requirements.

LCD:2production lines 、370mm*470mm panel、production  capacity  60K/Mark/M
COG: 13 all-automatic production lines、0.5'' -8”modules、production  capacity 5KK/M
COF:2 all-automatic production lines、 0.7”-7”modules、production  capacity 500K/M
Team:800people in total, 60technicians,80 people in quality department.


Quality Assurance

Reliability Test Equipment:  17
Quality Inspection  Equipment: 230
Quality Assurance System: MES system,  ERP system


MES Quality Process Flowchart

quailty process lcd module



The Honor of Enterprise

Intelligent Display  Terminal Supplier        

Thanks to our approach to seek innovation driven development, HEM has been pushing the frontier of the industry. We have earned honourary titles and certificates, such as ISO ISO9001 quality management certification, ISO14001 environment management certification, Director of Shenzhen Smart Wearable Device Industry Association, Member of National Medical Device Industry Association and National Hi-tech Company.






Shenzhen Operation Center


Jiangxi Manufacturing Center

Jiangxi HEM Technology Co.Ltd.was incorporated in 2016 and finds its headquarters in Wanzai  of Jiangxi Province.


Looking ahead

Huaersheng  invested 160 mu display industrial park in 2022,which has the floorage of  12000 square matres. Park planning: 2 panel production lines of 370mm*470mm, 6full-automatic AMOLED production lines,30 COG  full-automatic AMOLED production lines.




1.What kinds of display does HEM have?

 HEM is specializing in manufacturing TFT LCD display, Monochrome LCD display,Touch Screen, customized LCD panel, COB and COG display.  

 2.How can I find the right product?

Please send us your requirements or datasheet, we will recommend our standard products, if it’s not fit, we will do the necessary adjustment & customization.

3. Do you accept sample order or small quantity order?

Yes, you can place 4 inch TFT sample orders for testing first, and small quantity order as pilot production (no less than MOQ)

 4.What’s the lead time?

 Usually 3~5 days for 4 inch TFT sample orders if goods are in stock, and 4~5 weeks for mass production (basing on the quantity and particular product).

5.What’s your order process?

evaluating the project and give quotation→confirming with the customers→customers 100% pay the tooling fee and samples cost in advance→we arrange the drawings for customer in three woking days after received the payment→customers confirm the drawings→we arrange the production of samples in two or three weeks after the customers confirm the drawings are okay→send the sample to the customers for testing→modify the design according to the customer's opinion and send the sample again until the customer is satisfied→customer 30% payment in advance→batch production

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