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Category Knowledge
How to Replace a Discontinued TFT LCD Module Without Redesigning the Entire Product
A discontinued TFT LCD can create a disproportionate problem for an otherwise stable product. The equipment may still be in production, installed in the field, or expected to remain serviceable for years, yet the original display module is no longer…
HDMI to MIPI Controller Board Compatibility Guide
An HDMI-to-MIPI controller board can connect an HDMI video source to a MIPI DSI LCD panel, but the presence of the correct connector is not enough to confirm compatibility. Two panels may both use a 40-pin FPC connector and four…
What Is a PCB Board Made Of? Materials, Layers, and Display Applications
A PCB board, or printed circuit board, is made from several material layers that work together to support and connect electronic components. A typical PCB includes an insulating base material, copper conductive layers, solder mask, silkscreen marking, plated holes, and…
What Is a Toxic Screen? Meaning, Health Concerns, and Display Safety
A “toxic screen” is not a single formal technical term. People may use it to describe several different concerns: harmful screen content, excessive screen time, blue light, flicker, poor display quality, hazardous substances in electronic products, or environmental risks when…
How Do You Calculate the Diagonal of a Square?
If you know the side length of a square, you can calculate its diagonal by multiplying the side length by the square root of 2. The formula is: Diagonal = Side Length × √2 In mathematical form, this is written…
How to Match a TFT LCD Module with an Android Control Board
Matching a TFT LCD module with an Android control board is not only a connector problem. It is a system-level engineering decision involving display interface, resolution, timing, power sequence, backlight control, touch input, Android driver support, mechanical structure, firmware configuration,…
Small Touchscreen Display Options for Embedded Devices
Small touchscreen displays are widely used in embedded devices where space is limited but user interaction still matters. From smart home controllers and handheld instruments to industrial control panels, compact medical devices, charging equipment, and portable terminals, a small display…
Serial Port vs Parallel: Key Differences for Display and Embedded Device Interfaces
Serial and parallel interfaces are two basic ways to move digital data between electronic devices. In simple terms, a serial interface sends data one bit after another over a small number of signal lines, while a parallel interface sends multiple…
Custom TFT LCD Displays: A Complete Guide for OEM Product Development
Choosing a custom LCD display is not only a screen selection decision. For OEM products, the display can affect enclosure design, PCB layout, processor selection, touch performance, optical readability, assembly method, manufacturing cost, and long-term supply stability. A standard LCD…