Hotdisplay Technology Co., Ltd. officially announced today that its series of LCD modules, TFT modules, and touchscreens have successfully passed comprehensive hazardous substance testing conducted by the internationally renowned testing and certification body, China Testing & Inspection Institute Group Co., Ltd. (CTI), in accordance with the EU RoHS Directive.

For Hotdisplay Technology Co., Ltd., the year 2026 marks a truly memorable milestone. We are pleased to announce that Xinhongtai Technology (Guangdong) Co., Ltd. has successfully completed its annual surveillance audit for the GB/T19001-2016/ISO9001:2015 Quality Management System. The audit confirmed the continued effective operation of the company's management system, thereby affirming our eligibility to maintain our certification registration status; the certificate remains valid, with its validity period extended until March 20, 2027.

In this article, we will explore a variety of LCD display failure modes, their root causes, and practical solutions. We will also introduce two ingenious lowcost diagnostic methods using a pointertype multimeter or even just a piece of wire and a desk lamp. Whether you are a hobbyist, a technician, or an engineer, this guide will help you quickly identify and resolve LCD display issues.

This article introduces the features, structure, advantages, and customization solutions of character LCD displays, emphasizing their low power consumption, high integration, easy programmability, and wide range of application scenarios.

A complete LCD monitor is not merely a window for displaying images, but rather an information processing terminal that performs a multitude of functions—including signal conversion, image optimization, user interaction, and system protection. This level of integration directly translates into significant advantages for LCD monitors in terms of usability, reliability, and functional richness.

In the evolving landscape of display technology, the round LCD display has emerged as a groundbreaking innovation, breaking away from the rectangular standards that have dominated the industry for decades. Once a niche product, the round LCD display is now a staple in modern industrial design, offering a perfect blend of functionality and aesthetics. Whether you are designing a futuristic smartwatch, a sophisticated automotive dashboard, or a sleek smart home device, understanding the intricacies of the round LCD display is crucial.���