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3.71inch TFT Transmissive Module LCD Display With Pen Scanner
3.71inch TFT Transmissive Module LCD Display With Pen Scanner

3.71inch TFT Transmissive Module LCD Display With Pen Scanner

HEM-3.71 inch TFT Transmissive Module LCD Size:3.71inch Resolution:240*RGB*960 Driver IC:ST7701S Interface Type:MIPI Connection Mode:B=B Luminance:440(MIN),490(TYP) Color:16.7M
LCD Size:3.71inch
Driver IC:ST7701S
Interface Type:MIPI
Connection Mode:B=B


Product Details


HEM-3.71 inch TFT Transmissive Module
LCD Size 3.71inch
Resolution 240*RGB*960
Driver IC ST7701S
Interface Type MIPI
Connection Mode B=B
Luminance 440(MIN),490(TYP)
Color 16.7M


The TFT display with a size of 3.71 inches, a resolution of 240 x RGB x 960 pixels, and an ST7701S driver IC is a high-quality visual display solution designed for use in a pen scanner. The display module features a MIPI interface type and B=B connection mode, ensuring fast and reliable communication between the display and the scanning pen.

The display's small size and high resolution make it an ideal choice for pen scanners, allowing for clear and precise imaging of documents, images, and text. The display's high luminance, ranging from 440 (minimum) to 490 (typical), ensures that the display is bright enough to be easily visible even in bright ambient light conditions.

The TFT display can produce up to 16.7 million colors, ensuring that images are displayed with accurate color reproduction and high detail. This makes it ideal for use in a pen scanner, where it is important to capture and display detailed images and text accurately.

The display's MIPI interface type ensures fast and reliable communication between the display and other devices, such as a microcontroller or image sensor. The B=B connection mode provides a secure and stable connection between the display and the scanning pen, ensuring that the display remains connected during use.

In addition to its high-quality display, the TFT display is also highly reliable, making it an excellent choice for use in a pen scanner. Its robust construction ensures that it can withstand daily use and harsh environmental conditions, while its MIPI interface type and B=B connection mode ensure that the display remains connected and responsive during use.

Overall, the TFT display with a size of 3.71 inches, a resolution of 240 x RGB x 960 pixels, and an ST7701S driver IC is an ideal choice for use in a pen scanner. Its advanced features, including its MIPI interface type, B=B connection mode, and high-resolution display, make it a versatile and reliable solution for capturing and displaying high-quality images and text.


What is TFT display module?

TFT displays module are liquid-crystal display panel with thin-film transistor technology, bonding with IC driver, backlight unit, and flex cable, sometimes assemble control board with difference interface. TFT display is active display with high contrast than monochrome lcd, The TFT display technology could offers full RGB display in wide range display colors, high display resolution. We could get rich colors, detailed images, clear and bright graphics display from a tft lcd module.

HEM provide wide range small sizes tft lcd display module. Our small tft lcd sizes ( diagonal size of tft active area) have 0.96” tft lcd, 1.05” tft lcd, 1.09” tft lcd, 1.14”tft lcd, 1.28” tft lcd display module, 1.32” tft lcd, 1.44” tft lcd module, 1.47” tft display module, 1.69” tft lcd, 1.72” tft display, 1.91inch tft, 2.0” tft lcd. 2.4” tft lcd module, 2.8”inch tft, 3.5” tft lcd, 4.3” tft lcd display module, 5 inch tft, 7” tft display module. Our wide range standard tft lcd module could meet the most of application for Wearable, Smart home, industrial, medical. Such as wearable watch, bracelet, videophone, coffee machine, medical equipment, POS system, kitchen display, cooking machine, IOT, and etc.

HEM tft lcd module including standard tft-lcd modules, wide viewing angle IPS tft lcd, and transflective tft lcd, reflective tft, Wide temperature tft lcd, round type tft lcd, bar type tft lcd, Resistive touch panel and Capacitive touch screen (PCAP) with tft lcd.

Our tft lcd module have variety interface including MCU, RGB, TTL, LVDS, MIPI, serial SPI, I2C interface. The tft lcd display resolution from such as 80x160 pixels, 240X240 pixels, 320X380 pixels, tft lcd display module, and high resolution such 720 X 1280 1024X600 resolution.



Our Products

We are specialized in LCD display, including mono LCD module,TFT module and AMOLED module, which is the high and new tech enterprises in the country with the independent research and development, manufacturation and sales. It has developed as the excellent one of the medium and small-size field display terminal suppliers.

We have been focused on customized TN/STN/FSTN/VA monochorome displays,as well as small to medium sized TFT displays and oled displays for about 17 years.


Product Application


The application of monochrome products:industrial control, home intelligent control,onboard instrument,official screen, mobile payment etc. personalizing custom in product family design according to custom's needs.

lcd 126x294 manufacturer


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.


lcd screen application



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

A MES (Manufacturing Execution System) quality process flowchart is a visual representation of the steps involved in the manufacturing process, from raw materials to finished products, with a focus on quality control.Overall, the MES quality process flowchart helps to ensure that the manufacturing process is carried out efficiently and effectively, with a focus on quality control and customer satisfaction.



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 106,667 square meters 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 3.71 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 3.71 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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