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The 7.0 Inch TFT LCD Module is a cost-effective, medium-sized display solution optimized for industrial HMI, car terminals, and smart homes. It adopts a TN wide-viewing-angle design, which balances performance and cost—making it ideal for cost-sensitive, multi-scenario applications. | |||||||||
Golden Medium Size: The 7.0-inch screen has an overall dimension of 164.9mm × 100mm, avoiding information congestion on small screens and the cost/space pressure of large screens. This makes it one of the "golden sizes" for industrial human-machine interfaces (HMI).
TN Wide-Viewing Angle: Through a mature TN solution and wide-viewing-angle optimization, the module’s viewing angle is significantly improved compared to traditional TN screens. It is more suitable for industrial and commercial scenarios involving multiple people or multi-angle viewing, while providing a highly competitive cost advantage.
Stable Optical Output: It has a typical brightness of 300TYP, with light uniformity exceeding 85%—suitable for various lighting environments such as industrial workshops, car interiors, and indoor spaces. The 800:1 contrast ratio ensures clear distinction between interface text and background, improving operational efficiency.
Wide Voltage & Compatibility: The 2.7V~3.6V wide voltage design fits the power systems of industrial equipment and commercial terminals. The 24bit RGB interface supports a 60Hz refresh rate (no ghosting in dynamic images) and 16.7M true colors, meeting the precise display needs of images and videos.
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In 2023, the penetration rate of 7-inch modules in the mid-to-low-end industrial HMI market reached 45%, with shipments exceeding 80 million units and a year-on-year growth of 18%. It has become an "essential size" among 3–10 inch industrial screens.
Smart Home Field: 7-inch modules account for 32% of the whole-house smart central control screen market, with an annual growth rate of 22%. Over 60% of users prefer the "7-inch + wide viewing angle" configuration for better multi-person interaction.
Automotive Field: In the in-car rear entertainment and secondary screen market, the shipment volume of 7-inch modules increases by 25% annually. This growth is particularly significant in vehicle models priced between 100,000 and 200,000 yuan.
Third-party organization Omdia predicts that by 2025, the global market size of 7–8 inch display modules will reach $12 billion, with the industrial and smart home sectors contributing over 50% of the total growth.
After production, the module is tested for brightness uniformity and contrast using BM-7 equipment—critical for ensuring readability in industrial HMI scenarios. It also undergoes high and low temperature testing (ranging from -40°C to 85°C) to meet the durability requirements of automotive and industrial environments.
The backlight circuit (consisting of 27 LEDs with a forward current of 180mA and a forward voltage of 9V) undergoes 1,000-hour aging tests. This guarantees consistent brightness over time and a long service life of at least 50,000 hours.
Widely used in in-car rear entertainment screens, reversing image displays, and navigation secondary screens, enhancing the in-car entertainment and information experience for passengers and drivers.
Suitable for IoT central controls, wall-mounted intelligent temperature control panels, and visual doorbells in smart homes. In industrial settings, it is applied in industrial HMI panels and automation production line control panels to support efficient operations.
Applied in commercial equipment such as POS cash register secondary screens and educational electronics like learning tablets. It is also used in smart home appliances such as coffee machines, ice cream machines, and printers.
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