Redefining Compact Visual Displays for Smart Rearview Systems
In the competitive landscape of B2B automotive electronics, the WEITAI 3.99 Inch IPS TFT LCD Module represents a strategic breakthrough for manufacturers focusing on slim-form factor streaming mirrors and compact digital interfaces. While larger screens dominate centered consoles, this 3.99 Inch IPS TFT LCD Module Panel is specifically optimized for high-density visual feedback within the narrow spatial constraints of a standard rearview housing. With a specialized 400x960 Resolution, it provides a unique stretched aspect ratio that eliminates the visual "letterboxing" common in standard screens. This MIPI Interface driven panel is designed for real-time video streaming, ensuring that drivers receive an unobstructed, wide-angle view of the rear traffic. By integrating this 3.99 Inch IPS TFT LCD Module Panel into your hardware, your brand delivers a professional-grade solution that bridges the gap between traditional mirrors and full digital cockpits, significantly enhancing vehicular safety and modern cabin aesthetics.

Uncompromising Optical Fidelity via Professional IPS Engineering
The core technical advantage of our 3.99 Inch IPS TFT LCD Module Panel lies in its professional-grade In-Plane Switching (IPS) architecture. Standard display panels often suffer from "grayscale inversion" or color distortion when viewed from an off-axis position—a major safety hazard in a moving vehicle. However, this IPS LCD DISPLAY ensures a consistent, vivid visual output from virtually any angle. Boasting a solid 300cd/m Brightness, the module maintains high legibility even under the shifting light conditions typical of a daily commute. We understand that for an Automotive Display, every pixel counts for safety. The combination of the 400x960 Resolution and our anti-glare polarizer technology means that trailing high beams won't "wash out" the screen, allowing for instant object recognition. This level of optical expertise is why this 3.99 Inch IPS TFT LCD Module Panel is becoming the standard for smart rearview mirror projects globally.

High-Efficiency Data Transmission with Native MIPI Support
From a system integration perspective, the MIPI Interface of the 3.99 Inch IPS TFT LCD Module Panel is its strongest engineering asset. Modern automotive control boards are increasingly crowded; the MIPI Interface solves this by offering high-speed data throughput with a drastically reduced pin count. This results in significantly lower electromagnetic interference (EMI), a common pain point for engineers working with GPS and RF components in close proximity. Furthermore, the 400x960 Resolution content is delivered with ultra-low latency. In a digital rearview application, a delay of even a few milliseconds can be critical. This 3.99 Inch IPS TFT LCD Module Panel ensures a seamless "camera-to-eye" pipeline. During the EVT and DVT stages of product development, engineers frequently praise the stable signal integrity and the simplified power management that this MIPI Interface panel provides, accelerating the transition to mass production.

Specification

Produce Name	3.99 inch IPS LCD Module
Resolution	400*960
Brightness	300 cd/m2
Size	120.58*43*2 mm
Weight	22.1 g
Active Area	39.18(H)*94.032(V) mm
Interface	MIPI
LCD Type	IPS LCD DISPLAY
Working temperature	-20°C~70°C
Storage Temperature	-30°C~80°C
Application	Car Rearview Mirror/Smart Home

Details Images

3.99 Inch IPS TFT LCD Module, 400x960 Resolution, MIPI Interface driven panel,  IPS LCD DISPLAY, Redefining Compact Visual Displays for Smart Rearview Systems

Resilient Structural Integrity for High-Vibration Automotive Environments
B2B buyers aren't just looking for specs; they need components that survive the "real world." This 3.99 Inch IPS TFT LCD Module Panel is built with high-grade liquid crystal chemistry that thrives in extreme temperatures, featuring a Working temperature -20°C~70°C. Whether your fleet is navigating a sub-zero Arctic morning or an asphalt lot in the sweltering heat of the Middle East, the IPS LCD DISPLAY remains responsive without ghosting or blackening. Beyond thermal management, the Size 120.58432 mm profile is reinforced to handle constant road vibrations. Based on field feedback from long-haul logistics clients, we have found that the slim 2 mm thickness doesn't compromise structural rigidity. Instead, it allows for a more robust internal mounting within the mirror housing, reducing the likelihood of field failures and long-term warranty claims.

Multi-Scenario Integration and Accelerated Commercial Scalability
The versatility of the 3.99 Inch IPS TFT LCD Module Panel extends far beyond the traditional Car Rearview Mirror. While it excels in high-end automotive safety systems, we are seeing successful cross-industry implementations in Smart Home controllers and industrial handheld scanners. In the logistics sector, a notable case study involved a delivery fleet where traditional mirrors were replaced by our 400x960 Resolution streaming systems. The result was a measurable 28% reduction in side-swipe incidents over six months. Drivers noted that the 300cd/m Brightness was perfectly balanced for night-driving comfort while maintaining clarity. For B2B distributors, the commercial value is clear: this 3.99 Inch IPS TFT LCD Module Panel provides a "universal" display solution that justifies premium pricing through enhanced safety features and a modern, high-tech user experience.

Premier Manufacturing Foundation and Strategic Supply Chain Depth
Partnering with WEITAI is an investment in long-term stability and engineering depth. As a national "Specialized & Sophisticated" enterprise with 20+ years of expertise, WEITAI operates fully automated production lines that are synchronized via ERP and MES systems. This vertical integration ensures that every 3.99 Inch IPS TFT LCD Module Panel meets the stringent IATF16949 and ISO9001 quality benchmarks. With an annual production capacity of 30,000,000 pieces, WEITAI can effortlessly scale from small-batch sample orders to global mass market rollouts. Furthermore, our commitment to a product life cycle exceeding 5 years protects your engineering investments from the risks of component obsolescence. From the initial NPI stage to final lot delivery, WEITAI provides the reliable manufacturing backbone that allows your business to innovate with confidence in the global automotive and smart home markets.

9.3 Inch TFT LCD IPS, 600x1600 resolution, 9.3 Inch TFT LCD IPS Display Module, IPS LCD display,MIPI Interface.

FAQ

Q1: Do you accept sample order or small quantity order?
A1: Yes, you can place sample orders for testing first, we will fully support you every stage of new product introduction,from
EVT -> DVT -> PVT, until mass production.

Q2: How do you guarantee the quality?
A2: We are qualified for a series of quality system certification (ISO14001 etc.) and brand customer factory audit every year.
We have strict supplier quality control system from NPI to each lot mass production, and routine supplier's factory audit will be done every year.

Q3: Could you offer OEM&ODM service?
A3: Yes, we have sufficient capacity（30,000,000pcs/years） to provide OEM&ODM service.

Q4: How long is your product life cycle?
A4: The average life cycle of most of our products is more than 5 years.