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In the pursuit of designs balancing extreme compactness with visual experience, square TFT displays are emerging as a significant force. Compared to common rectangular screens, square displays offer more efficient information layout space and unique visual symmetry in compact devices. They are particularly well-suited for applications like smart watch, status indicators, and small interactive interfaces. Here we will introduce our high-performance 1.54 inch Square TFT Display Solution,  meticulously designed to meet the stringent demands of wearable devices, portable instruments, smart home control panels, and other applications where size, power consumption, and display quality are critical.    Why Choose This 1.54-inch Square TFT Display? Space Efficiency:   The square form factor maximizes usable display area within compact devices (especially circular or square housings), showcasing more information than rectangular screens and minimizing wasted space. Visually Design-Friendly:  Naturally ideal for symmetrical UI designs like watch faces, gauges, and centered icons, enhancing product aesthetics. High PPI for Sharp Imagery:  The 240x240 resolution delivers crisp and detailed visuals on the 1.54-inch screen. Flexible & Universal Interfaces:  Either SPI or MCU interfaces support a wide range of host controllers, lowering development barriers and accelerating time-to-market. Stable & Reliable Driver IC: Utilizes proven solutions like the ST7789 driver IC, ensuring display stability and long-term supply support. Customizable Touch Availability:  The optional touchscreen feature adds an intuitive interactive dimension to your product.   Recommended Applications: This versatile 1.54 inch Square TFT Display (with optional touch) is an ideal choice for the following areas: 1.  Wearable Devices: Smartwatches/Wristbands (Square Face) 2.  Portable Medical & Health Devices: Glucose Meters, Blood Pressure Monitors 3.  Smart Home & IoT:        - Smart Home Controllers / Thermostat Panels      - Smart Door Locks / Access Control Indoor Panels 4.  Industrial Control & HMI: Handheld Instruments & Meters   Partner with Shengfeng, Create Value Together As a professional LCD display manufacturer,  we Shengfeng not only provides standardized, high-quality 1.54 inch Square TFT modules but is also committed to being your reliable partner: √ Stable Supply:  Guaranteed to meet mass production demands. √ Technical Support: Provision of necessary documentation and interface support. √ Customization Capabilities:  Beyond the touchscreen, we support customization in areas like backlight,  FPC, interface pinout, touchscreen integration, and driver boards to meet your specific project requirements.   If you're seeking a "high-performance, highly reliable, and uniquely shaped display solution" for your next-generation compact smart device, this 1.54 inch 240x240 Square TFT Display is undoubtedly worth your serious consideration. Contact Us today to request detailed product specifications (datasheet), a quotation, and sample information. Let's discuss how to integrate this exceptional display into your innovative product and conquer the market together!    

In a world where electronic devices are becoming more compact, functional, and design-sensitive, the need for tailored components has never been greater. Among these, LCD modules play a vital role—not only as the primary interface between human and machine, but also as a core part of the product’s performance and identity.   At Shengfeng, we specialize in manufacturing and customizing LCD products for a wide range of industries, from industrial automation and medical diagnostics to consumer electronics and smart home devices. Our focus is on helping customers find the perfect display solution that fits both the technical and aesthetic needs of their products.   The Value of Custom LCD Displays   Generic displays can get the job done, but they often come with compromises—whether in size, brightness, viewing angle, or compatibility. A custom LCD, on the other hand, gives product designers the freedom to align every aspect of the display with their functional goals and brand requirements.     Take, for example, a 2.4 inch TFT LCD module. For some, it’s the perfect balance of size and visibility, ideal for portable equipment or handheld control systems. Others may benefit more from a 128x64 graphic LCD display, which offers a sharp and efficient way to convey data in tight spaces, such as measurement tools or medical monitors.     We also provide custom monochrome LCD panels for applications that prioritize low power consumption, high contrast, and long-term stability—such as thermostats, digital counters, or industrial timers. These displays can be designed with specific segment layouts, icons, or backlight colors to match your user interface.     What Shengfeng Offers   With years of experience and a strong technical team, Shengfeng offers more than just standard models. We support full customization, including:   * TFT, graphic, and segment LCD displays * Interface types such as SPI, I2C, and parallel * Display formats like COG, COB, or FPC * Touch panel integration (resistive or capacitive) * Wide operating temperature ranges and sunlight-readable options * Custom backlight, logo, PCB design, and pin configuration   Whether you need a slim, sunlight-readable TFT screen for outdoor use, or a stable, low-power graphic LCD for factory automation, we can deliver a solution tailored to your project.    

In modern buildings and smart communities, access control systems serve as essential security barriers. As the first interactive point in smart communities, the display and operation experience of door phones directly impact user satisfaction. As public devices used outdoors, their components—displays and touch screens/protective cover glasses—must maintain stable performance in complex outdoor environments. Here are the key points:   Door Phone Displays: Core Requirements and Key Features The display of a door phone is not only a window for information presentation but also a reflection of its adaptability to outdoor environments. Its main features and requirements are as follows: Mainstream Specifications:  5 inch TFT LCD or 7 inch TFT LCD, with resolutions of 800×480 or 1024×600. High Brightness: it is required sunlight readable with minimum 500 nits, over 1000 nits required for direct sunlight environments.   Wide Temperature Operation: -20℃ to 70℃, adaptable to extreme climates in both northern and southern regions.   Wide Viewing Angle:  IPS technology ensures no distortion when viewed from multiple angles.   Long Lifespan:  Industrial-grade components support 7×24 hours of uninterrupted operation.     Door Phone Touch Screens and Cover Glasses: Ensuring Interactive Experience  If the display is the "brain," then the touch screen and cover glass are the "outposts" that protect the brain and execute commands. They directly determine the operational experience and device durability: Touch Screen Type:  Capacitive touch screens have become the main choice, supporting multi-touch, responsive feedback, and optimized algorithms for wet-hand and gloved operation.   Anti-Interference: Door phones may be exposed to electromagnetic devices (e.g., intercoms, surveillance cameras). Touch screens must possess strong anti-electromagnetic interference capabilities to prevent touch drift and false triggers.   Cover Glass Protection: Chemically strengthened or tempered glass with a Mohs hardness of 6H or higher, offering scratch resistance and impact resistance. Even if broken, it should fragment into small granules to ensure safety.   Surface Treatment Process: Anti-fingerprint (AF) coating for easier cleaning; anti-UV and anti-glare features to adapt to outdoor environments. Outdoor door phone covers must be printed with anti-UV ink to prevent yellowing from UV exposure.   Customization Capability: Supports customization of size, shape, printing, and openings to meet the cover glass design needs of different products.     Recommendations for Selecting Door Phone Screens When choosing a screen for your new door phone, consider the following: Scenario Adaptation Priority: For outdoor scenarios, focus on wide temperature range, high brightness, waterproofing, and dust resistance. For indoor scenarios, prioritize low power consumption and narrow bezel design.   Quality Over Cost: Choose industrial-grade suppliers to ensure the materials and craftsmanship of displays, touch screens, and cover panels meet standards, avoiding access control failures due to screen malfunctions.   Customization Adaptation: Tailor screen size, resolution, cover panel shape, and openings based on the door phone's functions (e.g., video calls, facial recognition) and installation space.     If you are looking for a "temperature-stable, high-definition, high-brightness, wear-resistant, and protective" display solution for door phones, please feel free to contact us. We will provide one-on-one technical support and service!   The Recommended Models: -- 5.0" TFT 800x480 (WVGA), -- 7.0" TFT 800x480 (WVGA), -- 7.0" 1024x600 (WSVGA).

In modern product development, user experience and visual appeal are more important than ever. Traditional rectangular screens are no longer the only option. More brands are now turning to Circular TFT displays to bring a fresh, modern look to their devices. But what exactly makes them so valuable for product design?   Enhanced Aesthetics and Versatility   One of the most obvious benefits of a Circular TFT display is its unique shape. Unlike rectangular screens, round displays naturally complement circular device interfaces such as smartwatches, thermostats, industrial meters, and automotive dashboards. Their modern, sleek design not only enhances the visual experience but also enables innovative UI layouts that make devices more intuitive and engaging.   Space-Efficient Integration   A 1.45 inch Circular TFT display fits perfectly into compact products where space is limited but design cannot be compromised. With efficient use of real estate, designers can maintain functional interfaces without crowding the screen. These small but powerful displays offer high resolution, brightness, and color contrast, ensuring readability in various lighting environments.   Improved Interaction and User Engagement   Using a Round TFT LCD Display Module enables product developers to create interfaces that mimic physical dials and gauges. This circular format is ideal for rotary interactions and provides a more natural feel for users, especially in applications like fitness devices, medical instruments, or smart home panels. The result is a more user-friendly and visually consistent experience. Watch   Thermostat   Washing Machine   Robot Sweeper   Smart Voice Control     Circular TFT Displays: A Smart Design Choice   At the core of good product design lies a balance between form and function. Circular TFT displays deliver both, allowing companies to elevate their device aesthetics without sacrificing performance. Their compact size, high visual clarity, and compatibility with capacitive touch technology make them a reliable solution for next-generation electronic products.   As a trusted display module supplier, we specialize in providing customized Circular TFT display solutions including the 1.45 inch Circular TFT display and other Round TFT LCD Display Modules to meet your specific project requirements. With robust technical support, fast delivery, and strict quality control, we help bring your innovative designs to life.    

The world of smart devices is constantly evolving, with manufacturers striving to pack more functionality into smaller, more efficient packages. Amidst this relentless innovation, one component is quietly but steadily gaining ground: the small-sized TFT (Thin-Film Transistor) LCD screen. While OLED technology often grabs headlines for its vibrant colors and deep blacks, the humble TFT LCD, particularly in compact dimensions, is proving to be an indispensable choice for a growing range of smart gadgets. Its increasing popularity isn't just a trend; it's a strategic decision driven by a combination of practicality, efficiency, and a surprising leap in display quality.   The Appeal of Portability: Fitting into Our Lives One of the most obvious reasons for the rise of small TFT screens is the insatiable demand for portability. Smart devices are meant to seamlessly integrate into our daily lives, often by being worn or carried without hindrance. This necessitates components that are not only small but also light and robust. Consider the 1.70 inch TFT LCD Display. This size is a sweet spot for many basic smart wearables, like entry-level fitness trackers or streamlined smartwatches. Its compact footprint allows for a sleek, unobtrusive design on the wrist, making it comfortable for all-day wear. For devices primarily focused on displaying notifications, time, or basic health metrics, a 1.70-inch screen offers ample readability without adding bulk. It’s also incredibly cost-effective to produce at this scale, contributing to more affordable devices that appeal to a broader market. The engineering challenge shifts from cramming a massive display onto a device to optimizing a small one for maximum utility within a tight space. Then there's the 1.30 inch Square TFT LCD Display. This particular form factor has seen a surge in popularity for smart rings, discreet smart pendants, and even compact, specialized sensors. The square shape is aesthetically pleasing and efficient for displaying icons, short text snippets, or numerical data. In devices where space is at an absolute premium, the 1.30-inch square screen fits snugly, providing just enough visual feedback without compromising the device's minimal design ethos. For instance, a smart ring might use it to subtly show a notification icon or a quick temperature reading. Its small size inherently contributes to the device's light weight, enhancing the user's perception of "barely there" technology.   Powering Through the Day: The Efficiency Edge Battery life remains a critical concern for any smart device user. Nobody wants a smart gadget that dies halfway through the day. This is where small-sized TFT screens often shine, offering a significant advantage in power consumption compared to their larger counterparts or even other display technologies like OLED in certain scenarios. While OLED boasts pixel-level power control (meaning black pixels consume no power), TFT LCDs, especially modern, optimized versions, can be remarkably efficient. For a small screen, the power required to light the entire backplane is relatively low. When coupled with efficient LED backlighting and smart power management circuits, these compact TFTs can contribute significantly to extending a device's battery life. The 1.70 inch TFT LCD Display and 1.30 inch Square TFT LCD Display inherently consume less power simply due to their smaller active display area. Less area means fewer pixels to illuminate and less backlighting power needed. This is particularly crucial for devices like fitness trackers that are expected to run for days, if not weeks, on a single charge. For devices that might only display information intermittently, like a smart ring or a compact industrial sensor, the power draw of a small TFT screen is negligible, allowing the device to maintain functionality for extended periods without frequent recharging. This efficiency translates directly into a better user experience and reduces range anxiety.   Beyond the Basics: Evolving Display Quality Historically, TFT LCDs might have been seen as a step down from more premium display technologies. However, recent advancements have dramatically improved their display quality, even at smaller sizes, making them perfectly suitable for many smart device applications. This isn't just about showing basic numbers; it's about delivering clear, legible, and often vibrant visuals. Take the 2.3 Inch IPS Bar LCD Display as an example. The inclusion of IPS (In-Plane Switching) technology fundamentally changes the game for TFT LCDs. IPS panels are renowned for their wide viewing angles and accurate color reproduction. In a smart device, particularly one that might be viewed at various angles—like a dash-mounted car accessory, a smart home control panel, or even a specialized wearable that’s not always directly in front of your eyes—a wide viewing angle is crucial. You don't want colors to wash out or images to distort when viewed slightly off-center.   The "bar" or "strip" shape of the 2.3-inch IPS Bar LCD is also a testament to the versatility of TFT technology. This unique form factor is increasingly popular in devices that need to display specific information in a linear fashion, like status indicators, progress bars, or compact dashboards in smart appliances. For instance, a smart thermostat might use a bar display to show the current temperature and target setting in a clean, intuitive layout. Despite its unusual shape, the IPS technology ensures that the content is crisp and readable from virtually any angle, enhancing the user experience. This adaptability in form factor, combined with improved visual fidelity, makes these specialized TFTs incredibly attractive for innovative product designs where traditional square or rectangular screens might not fit or be aesthetically pleasing.   The Growth Trajectory: Real-World Applications The growing adoption of these small-sized TFT screens isn't just theoretical; it's evident in the market. 1.70-inch TFT LCD Displays are becoming standard in the burgeoning market of affordable smartwatches and advanced fitness bands. These devices offer substantial value, bringing smart features to a wider demographic without breaking the bank. As consumers become more comfortable with wearables, these well-priced, functional devices serve as an excellent entry point, with the TFT screen delivering a reliable and clear user interface. The 1.30-inch Square TFT LCD Display is finding its niche in highly integrated, minimalist smart devices. Beyond smart rings, consider compact IoT (Internet of Things) devices for environmental monitoring or tiny, specialized displays embedded into smart clothing or accessories. Their ability to deliver crucial information in a tiny footprint unlocks new possibilities for wearable technology that truly blends into one's attire or environment. Finally, the 2.3 Inch IPS Bar LCD Display is seeing increased use in smart home dashboards, automotive infotainment systems (especially as secondary displays for specific functions), and even compact industrial human-machine interfaces (HMIs). Its unique shape and excellent viewing angles make it perfect for displaying focused information clearly and efficiently in space-constrained or aesthetically driven applications. The growth here signifies a move towards more specialized and integrated display solutions beyond the traditional smartphone screen.   The growing popularity of small-sized TFT screens in smart devices is not about replacing high-end OLEDs in flagship smartphones. Instead, it's about providing robust, efficient, and increasingly capable display solutions for a vast and diverse ecosystem of smart gadgets. From the wrist-worn fitness tracker with its reliable 1.70 inch TFT LCD Display to the minimalist smart ring featuring a crisp 1.30 inch Square TFT LCD Display, and the specialized smart home panel leveraging a versatile 2.3 Inch IPS Bar LCD Display, these screens are enabling a new wave of practical, affordable, and seamlessly integrated smart devices. As the demand for compact and efficient technology continues to surge, these unassuming TFT screens are poised to remain a cornerstone of innovation in the smart device landscape.

In the world of visual technology, TFT display modules have emerged as a cornerstone for a vast array of applications. But the burning question is, can these modules be customized to meet your unique visual needs? The answer is a resounding yes! TFT display modules, with their thin - film transistor technology, are highly adaptable.   Take the 4.3 inch TFT display module, for example. It's a popular choice for many mid - sized devices. With customization, you can adjust its resolution to fit your specific requirements. Whether it's for a portable gaming device that demands sharp graphics or a medical monitor where clear visualization of data is crucial, the 4.3 - inch module can be tweaked. You might opt for a higher - contrast ratio or a more energy - efficient design, ensuring that the display not only looks great but also functions optimally within the power constraints of the device. Digital Laser Distance Measurer   Infrared Thermometer   Walkie-talkie   Ventilator   Massage Chair     Moving on to the 5.5 inch TFT display module, customization options open up even more possibilities. This size is commonly used in larger handheld devices and some industrial control panels. Manufacturers can modify the color accuracy of these modules. If you're in the automotive industry and need a display for in - car infotainment systems, customizing the 5.5 - inch TFT display module to have enhanced color saturation for a more vivid and engaging user experience becomes a viable option. Additionally, the viewing angle can be adjusted. For applications where the display needs to be visible from various positions, like in a public information kiosk, a wider viewing - angle customization can make all the difference. Charging Station   Automotive   Thermostat   Medical   Industry     Customization of TFT display modules isn't just about size - specific changes. In general, you can also customize the interface types. If your device has a unique communication protocol, the TFT display module can be engineered to have a compatible interface. This flexibility ensures seamless integration with different systems, whether it's a microcontroller - based DIY project or a complex industrial setup. So, if you've been wondering whether TFT display modules can be tailored to your visual experience, rest assured that the technology offers a wide range of customization options to make your visual dreams a reality.      

In embedded development, smart hardware, handheld devices and other applications, 2.2 inch LCD touch screen is a very cost-effective small-size display solution. It is compact, colorful and low power, so it is widely used in consumer electronics, portable instruments, medical equipment and intelligent control terminals.   But when choosing this type of display, "Should I choose SPI interface or parallel port?" is a question that developers often face. The choice of interface not only affects the difficulty of development, but also directly affects the display performance and system compatibility. This article will focus on the common interface types of 2.2 inch LCD touch screens to take you to a deeper understanding of their characteristics and applicable scenarios.   1. SPI interface: simple connection, suitable for systems with limited resources SPI (Serial Peripheral Interface) is a common serial communication protocol. It is widely used in small-size LCDs because of its few pins, simple hardware implementation, and strong compatibility.   Advantages of SPI interface: Simple connection: only 4~5 signal lines are required, which is convenient for wiring and PCB layout. MCU-friendly: most microcontrollers (such as STM32, ESP32, Arduino) natively support SPI. Low power consumption: suitable for low-power product design. For example, in a 2.2-inch LCD touch display, using the SPI interface can not only maintain good data communication efficiency, but also significantly reduce system resource usage, which is very suitable for devices with limited size and limited MCU resources.   2. Parallel interface: faster transmission, suitable for high frame rate display Parallel interface transmits data in parallel through multiple data lines, and has a natural advantage in speed. Common 8-bit and 16-bit parallel interfaces are suitable for application scenarios that require high frame rates and rich images.   Advantages of parallel interface: High-speed transmission: suitable for systems that need to display dynamic images, videos or complex UI interfaces. Faster response: more ideal for occasions with high requirements for image real-time performance. Of course, parallel interfaces also have certain disadvantages, such as more pins required, more MCU resources occupied, and higher wiring requirements, so they are generally suitable for platforms with stronger hardware resources.     3. Interface comparison reference of different size LCDs In actual applications, the interface selection is also closely related to the size and usage scenario of the display: 2.0 inch IPS TFT LCD: SPI interface is usually used, with the advantages of better display effect and richer colors, suitable for devices that require a better visual experience, such as portable terminals, smart watches, etc. 3.5 inch TFT LCD SPI Interface: Although the size is larger, in order to simplify the wiring and control circuit design, some 3.5-inch TFT screens still use SPI interface, especially in cost-sensitive or space-limited embedded projects. It can be seen that the SPI interface is not only suitable for small screens, but also has been flexibly applied in larger screens. The key lies in the adaptation and balance of the whole system architecture.   4. How to choose in actual application? If the project uses low-power MCU and the data transmission rate requirement is not high, it is recommended to use 2.2-inch LCD touch display with SPI interface; If the project requires high refresh rate and complex image processing, and the system supports sufficient resources, you can consider parallel port control; If the device has high requirements for color display, you can consider IPS panel, such as 2.0-inch IPS TFT LCD; If the project size is larger and the interface is richer, you can also choose 3.5-inch TFT LCD SPI Interface products, which take into account both size and interface flexibility.   As a professional TFT LCD display manufacturer, Shengfenglcd provides a full range of products from 2.0 inch IPS TFT LCD, 2.2 inch LCD touch display to 3.5 inch TFT LCD SPI Interface, widely supporting multiple communication methods such as SPI, parallel port, I2C, etc., to meet the needs of diverse application scenarios.   Welcome to visit our brand official website: www.shengfenglcd.com, to learn more about product specifications, selection guides and solutions, we will provide reliable support for your display needs.