Quality HDMI LCD Display & TFT LCD Module Factory

.gtr-container-f8k2p7 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-f8k2p7 p { margin-bottom: 1em; text-align: left !important; font-size: 14px; } .gtr-container-f8k2p7 strong { font-weight: bold; } .gtr-container-f8k2p7 .section-title { font-size: 18px; font-weight: bold; margin-top: 1.5em; margin-bottom: 1em; color: #0056b3; text-align: left; } .gtr-container-f8k2p7 .subsection-title { font-size: 16px; font-weight: bold; margin-top: 1.2em; margin-bottom: 0.8em; color: #0056b3; text-align: left; } .gtr-container-f8k2p7 ul, .gtr-container-f8k2p7 ol { list-style: none !important; margin: 0; padding: 0; margin-bottom: 1em; } .gtr-container-f8k2p7 ul li { position: relative; padding-left: 20px; margin-bottom: 0.5em; font-size: 14px; text-align: left; list-style: none !important; } .gtr-container-f8k2p7 ul li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #007bff; font-weight: bold; font-size: 1.2em; line-height: 1; } .gtr-container-f8k2p7 ol li { position: relative; padding-left: 25px; margin-bottom: 0.5em; font-size: 14px; text-align: left; list-style: none !important; } .gtr-container-f8k2p7 ol li::before { content: counter(list-item) "." !important; position: absolute !important; left: 0 !important; color: #007bff; font-weight: bold; width: 20px; text-align: right; line-height: 1; } .gtr-container-f8k2p7 img { margin-top: 1em; margin-bottom: 1em; vertical-align: middle; } .gtr-container-f8k2p7 a { color: #007bff; text-decoration: underline; } .gtr-container-f8k2p7 a:hover { text-decoration: none; } @media (min-width: 768px) { .gtr-container-f8k2p7 { padding: 25px 40px; } .gtr-container-f8k2p7 .section-title { font-size: 20px; } .gtr-container-f8k2p7 .subsection-title { font-size: 18px; } } Introduction: When Shape Changes Everything In a world dominated by square and rectangular screens, the Round LCD Display is reshaping how brands present information and visual content. With its eye-catching geometry and futuristic aesthetic, the circular form instantly breaks visual monotony — making it one of the most effective display solutions for museums, shopping malls, retail stores, and premium interior spaces. Unlike conventional displays, the Round LCD Display naturally draws attention due to its symmetry and uniqueness. Whether mounted on walls, suspended from ceilings, or integrated into artistic installations, it brings both design value and commercial impact. What Makes the Round LCD Display Unique? 360°Visual Attraction The circular shape is inherently dynamic — it catches the eye from every angle. In high-traffic locations, this means visitors stop and look, even without intending to. Compact Size, Big Impact Round LCD screens don’t require large installation areas. A 700mm or 1000mm diameter screen can create a visual effect equivalent to a much larger standard display. Perfect Blend of Technology & Art The smooth curves and seamless design allow brands to present content with artistic flair, making it ideal for: Tech exhibitions Boutique retail stores Shopping mall atriums Corporate showrooms Cultural and science museums Supports Dynamic Content Animation, branding effects, lighting transitions, interactive visuals — all look more impressive on a circular canvas. Application Scenarios (with Real Visual References) 1. Tech Museum Where innovation meets aesthetics — round screens enhance immersive storytelling experiences. 2. Shopping Mall Atrium Placed in high-traffic mall areas, round LCD screens function as digital sculptures that attract immediate attention. 3. Retail Store Entrance For brands that need a stylish, modern identity — the round LCD elevates the store’s visual appeal. Why Brands & Designers Love It Aesthetic Value The minimal, modern circular form instantly enhances interior design. Versatile Installation Can be hung, wall-mounted, or incorporated into creative structures. Multi-Industry Usage Suitable for: Commercial retail Cultural venues Hospitality Premium brands Digital art installations Excellent for Social Media Round LCD screens become natural “photo spots” that encourage user-generated content — free marketing for brands. YZY’s Round LCD Display Advantages At Shenzhen YZY Technology Co., Ltd, we specialize in custom circular displays with: Multiple pixel pitches (P2.5 ) Ultra-stable power & control systems Front or rear maintenance High-brightness, indoor & semi-outdoor versions OEM/ODM support for all custom shapes Whether you need a 700mm standard model or a fully customized size, our engineering team ensures perfect visual performance. Final Thoughts Round LCD displays are more than a trend — they represent the future of creative digital signage. With their artistic geometry and strong commercial impact, they are transforming how we experience information in public and retail spaces. If your brand, project, or venue needs a unique visual identity, the Round LCD Display is the perfect solution. Want to Learn More? Feel free to contact us for specifications, pricing, or project consultation: Sunny | Shenzhen YZY Technology Co., Ltd sunny@yzy-sz.com www.yzylcd.com Contact: +8613823537002 WhatsApp: +86 13823537002

1.Introduction The full name of LCD is Liquid Crystal Display. The properties of liquid crystals were discovered in 1888 by Austrian chemist Friedrich Reinitzer. After decades of research, in 1964, George H. Heilmeier at the U.S. Radio Corporation laboratory completed the first dynamic scattering mode liquid crystal display. In 1971, International Liquid Xtal Company began mass production of the first liquid crystal display using a twisted nematic field-effect. Starting in the 1980s, liquid crystal displays began to become truly popular, with several types of LCDs such as TFT, UFB, TFD, and STN emerging. 2.The Structure The structure of an LCD consists of a liquid crystal layer placed between two parallel glass substrates. The lower glass substrate is equipped with TFT (Thin Film Transistor), and the upper glass substrate has a color filter. By controlling the alignment of liquid crystal molecules through the signals and voltages applied to the TFT, the polarization of light can be controlled for each pixel, achieving the display function. LCD is a substance that exists between solid and liquid states; it does not emit light on its own and requires an external light source to function. The number of light tubes affects the brightness of the LCD.

1.What is TFT-LCD? TFT-LCD,which stands for Thin Film Transistor Liquid Crystal Display, is an active matrix liquid crystal display technology. It is widely used in various electronic products due to its advantages such as low power consumption, high clarity, and color display. However, it also has some "inherent shortcomings" : • Limited viewing Angle • Slow response speed (due to the limitation of the LCD rotation speed) • Dynamic images are prone to blurring • Limited operating temperature range Terms related to TFT LCD: LC: Liquid Crystal CF:Color Filter B/L: Back light L/G: Light Guide  data line scan line 2.The internal structure of TFT-LCD panels · Polarizing filter: Located at the top and bottom layers of the display, it is responsible for controlling the polarization direction of light, ensuring that only light in a specific direction can pass through. · Liquid Crystal Cell (LC Cell): The core component, which contains liquid crystal molecules. These molecules are controlled by an electric field to regulate the passage of light. · Color Filter (CF): Located above the liquid crystal unit, it is used to generate color images. Each pixel point corresponds to red, green, and blue colors. · Glass substrate: The glass substrate serves as the core carrier material for the color filter. · Thin-film transistor (TFT): Located beneath the color filter, it is used to control the switch of each pixel, enabling precise display of images.  · Printed Circuit Board (PCBA): Connects and controls various components to ensure the normal operation of the entire display. · Light Guide: Located within the backlight module, it is used to evenly distribute the light from the lamp tube, providing a uniform backlight effect. · Lamp tube: Provides the backlight source to ensure that the display can clearly show images even in a dark environment.

The working principle of the driver board is to receive and convert signals. How does the driver board transmit the display signal? As shown in the diagram below, when the power button is pressed and the computer screen lights up, the display signal has been successfully transmitted. The transmission process involves three main components: the computer graphics card, the driver board, and the display panel. The signal starts from the output interface of the computer’s graphics card, then enters the input interface of the driver board. The chip on the driver board receives the signal and, based on the panel data stored in the chip, converts the image signal into a display signal, which is then output to the display panel. In this process, the driver board converts the signal provided by the graphics card into a signal that can be accepted by the display panel, with the transmission protocol changing from HDMI to eDP. In simple terms, the process of display signal transmission involves the signal starting from the computer, passing through the driver board for conversion, and then entering the display panel. During this signal conversion process, only the form of signal transmission is changed; the driver board cannot alter the signal's resolution or refresh rate. For example, if a 1080p signal comes in through the HDMI interface, it will also exit through the eDP interface as 1080p, and the image displayed on the panel will be 1080p. Even if the panel supports a maximum resolution of 4K, if the video signal entering the panel is 1080p, the final image displayed will still be 1080p.

During the production process of PCBA boards, improper operation by personnel or material quality issues often lead to defective PCBA boards. In such cases, the defective boards need to be repaired. Today, let's introduce the detailed process of PCBA board repair. Visual Inspection of PCBA: This step involves checking the PCBA board for any visible defects from the production process, such as: short circuits, cold solder joints, missing components, reversed component polarity, and damaged components. Measure All Power: The main task here is to measure whether the power source has a short circuit to ground. Power-on Test for Defects: After powering up, use a testing fixture to double-check for defects. Repair Based on Defective Phenomenon: The repair is carried out according to the defect symptoms and circuit principles. The repair work can refer to the repair operation guidelines provided by engineering. Self-check After Repair: After the repair, the repaired section needs to be self-checked. This includes checking for short circuits, cold solder joints, solder balls, solder dross, and the appearance of solder joints. Test Fixture Check: Use a test fixture to check whether the PCBA board is repaired properly. Visual Full Inspection: Perform a full inspection on the repaired product. By repairing defective PCBA boards, the number of scrapped boards can be reduced, which helps lower the factory's production costs.