4.0 Inch Square TFT LCD Module 480(RGB)*480 ST7701S Driver
YZY YV0040WV-C01 4.0 Inch Square TFT LCD Module. High-performance square TFT LCD display module with 480(RGB)*480 resolution, ST7701S driver IC, and 3SPI+RGB interface for industrial control, smart devices and portable electronics applications.
Product Overview
This square TFT LCD module features 480(RGB)*480 high resolution with white display capability and ALL viewing direction. Driven by ST7701S IC with 3SPI+RGB (3-wire SPI) interface, it supports 2.8V±0.3V LCD driver voltage and industrial-grade wide temperature range. With a slim 2.3mm profile and RoHS HSF compliance, it is ideal for industrial HMI, smart home control panels, medical devices and portable smart devices.
Technical Specifications
| Display Type |
4.0 Inch Square TFT LCD Module |
| Module Number |
YV0040WV-C01 |
| Part Number |
YXS77-4C |
| Panel Size |
4.0 Inch |
| Resolution |
480(RGB) * 480 Pixels |
| Display Color |
White |
| Viewing Direction |
ALL |
| Driver IC |
ST7701S |
| Interface |
3SPI+RGB (3-wire SPI) Interface, 40-pin FPC |
| LCD Driver Voltage |
2.8V ± 0.3V |
| I/O & VCI Voltage |
3.3V |
| Backlight Type |
White LED Backlight (VD=12.8V, IED=40mA) |
| Operating Temperature |
-20℃ ~ +70℃ |
| Storage Temperature |
-30℃ ~ +80℃ |
| Outline Dimension |
74.83 * 78.59 * 2.3 mm (W * H * T) |
| Active Area (AA) |
71.86 * 71.86 mm |
| With / Without Touch screen |
With Capacitive Touch Screen (CTP) |
| Weight (g) |
TBD |
| Compliance |
RoHS HSF |
Key Features
- 4.0-inch square TFT LCD with 480*480 high resolution for sharp, clear display
- ALL viewing direction for optimal visibility from any angle
- Capacitive touch panel (CTP) with 40-pin FPC interface for smooth touch operation
- ST7701S driver IC with 3SPI+RGB (3-wire SPI) interface for reliable data transmission
- White LED backlight (12.8V, 40mA) for bright and uniform illumination
- 2.8V±0.3V LCD driver voltage and 3.3V I/O/VCI voltage for stable power operation
- Industrial-grade wide temperature range (-20℃ to 70℃) suitable for harsh environments
- Slim 2.3mm profile design with PI reinforcement for reliable mechanical strength
- Precision manufacturing with tight dimensional tolerance (±0.20mm) for consistent quality
- RoHS HSF compliant, meeting international environmental protection standards
- Hard foam cushion and PI reinforcement for enhanced shock resistance and durability
Applications
- Industrial control panels and human-machine interface (HMI) systems
- Smart home control panels and IoT sensor displays
- Medical devices and health monitoring equipment
- Portable smart devices and handheld electronics
- Automotive infotainment and interior information displays
- Professional audio/visual equipment and industrial instruments
- POS terminals and payment devices with modern square design
- Custom electronic prototypes and commercial display projects
Product Documentation
Product Image
Application examples in industrial and consumer devices
Partner companies and collaborative projects
Manufacturing facility and quality control environment
Shipping methods and delivery information
Company Profile
Shenzhen Yingzhanying Technology Co., Ltd. (YZY) was founded in January 2018 and is located in Shenzhen, China--a global hub of the electronics industry. Its predecessor is Shenzhen Shengyuan Optoelectronics Co., Ltd., established in 2013. The company specializes in custom services, R&D, sales and after-sales services in the optoelectronic display industry.
Products include Liquid Crystal Display (LCD) modules (LCM), touch modules, LCD panels, FPC (Flexible Printed Circuit) boards and various optoelectronic materials. These are widely used in industrial control, medical equipment, handheld devices, instruments and meters, automotive electronics, digital wearables, household appliances, and financial services.
Frequently Asked Questions
How do you control product quality?
Each product undergoes strict testing before shipping following MIL-STD-105E sampling plan and multiple reliability tests including temperature cycling, vibration test and display performance validation.
Do you supply samples?
Yes, we provide samples for customer evaluation and functional testing.
What is the delivery time?
Typically 7 working days after payment confirmation for standard orders. Custom orders may require additional lead time.
What is the minimum order quantity?
1 piece minimum order quantity for sample orders, with flexible MOQ for bulk production.
What if we receive missing or defective items?
Contact us immediately for investigation and prompt resolution. We offer replacement or refund for confirmed quality issues.
What are your main products?
Comprehensive range including LCD modules, LCM, touch modules, LCD panels, FPC boards and optoelectronic materials for industrial, medical, automotive and consumer electronics applications.
What payment methods do you accept?
We accept T/T (Telegraphic Transfer) payments, Western Union, and PayPal for small orders.
What shipping methods do you offer?
DHL, FedEx, UPS and China Post shipping services available. Express delivery is available for urgent orders.