4 Inch Transflective TFT LCD Display 480x800 Resolution RGB 100cd/m2 - China Suppliers Factory Display Solution
Transportation
Our company cooperates with SF Express for domestic express delivery, and DHL for overseas express delivery. You can contact us to inquire about freight and weight to get the latest quotation.
DeterminePayment
Online payment is not supported. Transfers can be made through corporate accounts. If a VAT invoice is issued, please contact our sales staff to obtain a corporate account.
DetermineTaxes
All products sold on this website do not include tax. If you need a VAT invoice, please contact our sales staff to purchase offline.
DetermineEnsure
All products sold on this website have a one-year warranty. If the product is damaged due to improper use by the customer, it will be repaired free of charge. Material cost will be charged.
DetermineReturn
Products within the warranty period can be returned for repair or replacement. Before returning, please contact our sales staff to confirm the reason for return.
DetermineDiscontinued
We are committed to long-term production of all products sold on this website. If the IC or panel is discontinued, we will try our best to replace it with compatible materials.
Determine
4 Inch Transflective TFT LCD Display Overview & Core Functionality
The TFT-H040A30WVIST1N40 is not your standard 4-inch display. It is a specialized Transflective TFT LCD Display featuring a 480x800 resolution and a high-performance ST7701 controller.
While traditional screens struggle under direct sunlight, this module thrives. It utilizes Transflective Technology, which combines transmissive (backlight-driven) and reflective (natural light-driven) properties. This allows the screen to remain perfectly legible in pitch-black darkness using its backlight, and crystal clear under blinding midday sun by reflecting ambient light—all while drastically reducing power consumption.
Specification of the 4 Inch Transflective TFT LCD Display
Parameters of 4 Inch Transflective TFT LCD Display
| ITEM | PARAMETER DESCRIPTION | UNIT |
|---|---|---|
| TFT series | TFT-H040A30WVIST1N40 | - |
| Diagonal size | 4.0” | Inch |
| Resolution | 480x800 | Dot |
| Dimensions | 57.14x96.85x2.00 | mm |
| Active area (AA) | 51.84x86.4 | mm |
| LCD type | TFT LCD Display | mm |
| Display viewing angle | Full View (U80/D80/R80/L80) | - |
| Aspect ratio | 2:3 | - |
| Backlight type | LED white | - |
| TFT driver IC | ST7701 | - |
| Brightness | 100 | cd/m2 |
| Operating temperature | -30~80℃ | ℃ |
| Storage temperature | -30~80℃ | ℃ |
Key Features & Technical Details of 4 Inch Transflective TFT LCD
-
True Sunlight Visibility
Unlike high-brightness screens that "fight" the sun with power-hungry backlights, this transflective panel uses the sun to illuminate the display.
-
IPS Full-Viewing Angle
Equipped with U80/D80/R80/L80 technology, ensuring zero color shift or distortion when viewed from any angle.
-
High-Speed RGB Interface
Optimized for STM32 and RK-series motherboards, facilitating real-time data updates and smooth graphical rendering.
-
Industrial-Grade Durability
Designed to operate in extreme climates from -30°C to +80°C, with integrated 8KV Anti-static (ESD) protection.
-
Ultra-Slim Form Factor
At only 2.00mm thick, it fits perfectly into compact, modern handheld enclosures.
When to Use This 4 Inch Transflective TFT LCD Display? (The Problem Solver)
This 4 inch transflective TFT LCD display is the mechanical answer for projects where Battery Life and Outdoor Legibility are the two biggest priorities:
-
Outdoor Instruments
Handheld GPS units, forestry survey tools, and marine navigation equipment.
-
Portable Electronics
Outdoor rugged phones, bike computers, and portable solar monitors.
-
Remote IoT Nodes
Solar-powered data loggers where every milliamp of battery power is critical.
Special Precautions & Engineering Reminders
-
Brightness Perception
Do not be misled by the 100cd/m² backlight rating. In outdoor environments, the display will appear significantly brighter than a standard 1000-nit screen because it utilizes ambient light reflection.
-
FPC Handling
The module uses a delicate 40-pin FPC (Flexible Printed Circuit). Ensure your housing design accounts for a safe bend radius to prevent signal fatigue.
-
Backlight Management
In daylight, the backlight can be turned off completely to achieve ultra-low power consumption without losing visibility.
The HOTHMI 4 Inch Transflective TFT LCD Module is the definitive hardware solution for engineers balancing high-performance visuals with extreme power efficiency. Unlike standard high-brightness displays that drain batteries to combat glare, our 480x800 transflective technology harnesses ambient light to ensure crystal-clear readability in direct sunlight. This unique optical architecture allows for an "Always-On" outdoor experience with a significantly lower power profile, making it the premier choice for handheld GPS, marine instruments, and rugged IoT devices.
Beyond its sunlight-readable capabilities, this module is built for the most demanding environments. With an ultra-wide operating temperature range of -30°C to +80°C, industrial-grade 8KV ESD protection, and a high-speed RGB interface compatible with STM32 and RK series controllers, it offers unparalleled reliability and integration flexibility. Its ultra-slim 2.00mm design ensures it fits seamlessly into the most compact, ergonomic enclosures without compromising on structural integrity.
Don't let poor visibility or battery drain compromise your product’s success. Partner with a world-class manufacturer to secure high-quality, factory-direct display solutions tailored to your project’s needs. Place your order now or contact our technical team today to request a sample and experience the power of transflective clarity. Elevate your outdoor performance with HOTHMI—where innovation meets industrial durability.