China 3.5 inch tft lcd 320*480 SPI 3/4 wire Manufacturers, Suppliers, Factory

In short, the 1.9-inch bar-shaped screen is a triumph of functionalism and scenario-based design. It proves that good design isn't necessarily about a larger screen, but about using the right screen in the right place to solve the right problem. It has shifted from being the "center of content display" to becoming a "partner in providing information." This change in role is precisely the fundamental reason for its "great usefulness," making it an indispensable "screw" in the modern hardware ecosystem – small, but crucial.

Model HJ7003-01—which is currently in mass production. Key specifications include IPS full-angle viewing, a high-definition resolution of 1080x1080 (delivering crisp, detailed imagery), a contrast ratio of 1200:1, and a response time of 25ms. The display supports 2, 3, or 4-lane MIPI interfaces, utilizes the FL5893 driver IC, and features a standard 30-pin connector. Brightness levels can be configured to reach between 1000 and 1200 nits, with support for PWM dimming.

Since January 2026, overseas orders have steadily increased, pushing our factory to operate at full capacity with a monthly output of 900,000 units. To meet growing customer demand, we have expanded our facilities and partially renovated the plant, adding a fully automated production line that boosts our monthly capacity to 1.2 million units. This automation minimizes human error, improves product yields, and ensures consistent product reliability.

Shenzhen Hongjia has been professionally engaged in R&D, production and sales of 1.14-inch to 12.1-inch display screens and supporting touch screens for 12 years. We serve many Fortune 500 companies and provide 36 months of after-sales service. We have a professional display brightness measurement instrument BM-7. The display brightness can reach 2000 lumens, meeting the requirements of clear readability in the sun. It is widely used in drone remote controls, handheld devices, aerospace equipment and other products. Customers are welcome to email us for consultation.

Traditional small home appliances typically rely on physical buttons, lacking both a modern aesthetic and smart functionality. With the advancement of AI chips, consumer expectations for these products have evolved. Shenzhen Hongjia Technology has introduced a color LCD screen designed to facilitate this smart upgrade: a 3.99-inch (also referred to as 4.01-inch) bar-type display. Featuring a 400×960 resolution and In-Cell touch technology (primarily in portrait orientation), this screen represents a distinctive new form factor for human-machine interfaces in the small appliance sector. It leverages its unique aspect ratio, integrated touch capabilities, and high-fidelity display to replace traditional buttons or segment displays, thereby elevating the interactive experience and the product's overall premium feel.

Many clients frequently ask about the differences between 2.4-inch AMOLED screens and 2.4-inch TFT screens. Today, the engineering team at Shenzhen Hongjia Technology will outline the distinctions between the two. The fundamental difference between AMOLED and TFT (typically referring to TFT-LCD) lies in their light-emitting principles: AMOLED pixels are self-illuminating, whereas TFT relies on a global backlight panel for illumination