3.0 inch TFT LCD 360×640

In the fields of industrial control, medical devices and consumer electronics, the 3.0 inch TFT LCD has become a popular choice due to its compact size and high-definition display. As one of the core products of Guangdong Shengfeng Technology, this article will deeply analyze the technical parameters of the 3.0-inch screen and match the best application solutions for you.​   I. Size Definition of 3.0 inch TFT LCD​ The size of "3.0 inch"refers to the length of the screen diagonal, which is 7.62 cm when converted. The length and width of the 3.0 inch TFT display screen vary depending on the aspect ratio.​ Classic 4:3 aspect ratio: 6.096 cm (length) × 4.572 cm (width)​ Widescreen 16:9 aspect ratio: 6.6416 cm (length) × 3.7359 cm (width)​ It should be noted that due to the diversity of screen ratios and the differences in design and production processes among different manufacturers, the appearance sizes of 3.0 inch TFT LCD modules produced by different manufacturers may vary. Actual applications need to be adapted according to the device design.​   II. Common Resolutions of 3.0 inch, Their Characteristics and Applications​ Portrait Mode:​ 3.0 inch TFT LCD 240×320 QVGA:​ An early specification with a classic 4:3 ratio and a pixel density of about 133 PPI. It meets the basic graphic and text display requirements, with single viewing angles such as 12 o'clock and 3 o'clock.​ Commonly used in small handheld devices. With fewer pixels and less data processing, it is suitable for simple graphic and text display and is widely used in low-cost electronic devices.​ 3.0 inch TFT LCD 240×400 WQVGA:​ It has the advantage of a widescreen with a 16:10 ratio, displaying 40% more horizontal content than a 4:3 screen. The vertical clarity is improved, which is beneficial for long text and detail display. Most are full-viewing-angle specifications, with viewing angles in the horizontal and vertical directions up to 180 degrees.​ Suitable for e-readers, electronic shelf labels (ESL), and side menu bars of self-service ordering machines.​ 3.0 inch TFT LCD 360×640:​ With a pixel density of 245 PPI, it can present delicate images and text. It mostly adopts IPS technology to present full viewing angles and enhanced grayscale performance.​ Commonly seen in mid - to - low - end smartphones, smartwatches, and portable game consoles.​ 3.0 inch TFT LCD 480×854:​ A high - definition resolution with a pixel density of 326 PPI, rich in details and vivid in colors, perfectly supporting high - definition video.​ Mostly used in high - end commercial products such as smartphones, tablets, and professional handheld video devices.​ Landscape mode:​ 3.0 inch TFT LCD 320x240 QVGA: It is commonly used in early landscape - oriented devices, it has low hardware requirements and low cost, and can meet the simple display needs of car navigation, industrial monitoring, etc.​   III. About Shengfeng Guangdong Shengfeng Technology Co., Ltd. (referred to as Shengfeng Technology) is a high-tech enterprise specialized in the R & D, design, production and sales of LCD devices and their supporting products. The R & D team is professional, keeping up with technological trends and bringing forth new ideas. The production equipment is advanced, with strict quality control and stable product quality. Its 3.0 inch TFT LCD products have the advantages of high brightness, high contrast, wide viewing angle, wide temperature range and customization, and are applied in multiple fields such as industrial-grade LCD TFT Displays and medical display TFT displays. Adhering to the concept of "customer - centered", we wholeheartedly serve you and look forward to working together.