The RJY journal
Practical insights on display technology, embedded computing and product development.
Ideas. Engineering. Updates.
HD vs Full HD for Embedded Displays: Which Resolution Do You Need?
The basic difference between HD and Full HD is pixel count. In common 16:9 terminology, HD usually refers to 1280 × 720 pixels, while Full HD refers…
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FMM-Less OLED Patterning: Manufacturing Routes and Scale-Up Trade-Offs
Analyze FMM-less OLED pixel patterning, material protection, process integration and the distinct metrics that shape manufacturing scale-up.
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LCD Backlight Dimming: How to Validate PWM Frequency and Low-Brightness Performance
Learn how to verify an LCD backlight dimming path, check PWM pulse-width limits, and test usable low-brightness operation in an embedded display assembly.
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Linux USB Touchscreen Troubleshooting: A Hands-On evtest and libinput Workflow
Troubleshoot USB touchscreen input on embedded Linux with a read-only evtest and libinput procedure, event interpretation and a reproducible test record.
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OLED Monitor Market Growth in 2026: Implications for Industrial OEMs
Analyze 2026 OLED monitor growth and display investment signals to understand their limits and implications for industrial OEM display sourcing.
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LCD Pixel Clock and Timing Guide: Why Same-Resolution TFT Displays Are Not Always Compatible
Two TFT LCD modules can have the same active resolution and use the same interface family, yet require different controller-board settings. One panel may operate correctly while…
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LCD Ribbon Cable Connector Guide: How to Match FPC, Pitch, Pin Count and Contact Direction
Selecting an LCD module does not end with size, resolution and display interface. The flexible tail and its board-side connector must also fit the product. Two displays…
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MIPI Display Interface vs LVDS: How to Select an Industrial LCD Panel
A MIPI display interface can connect a compact embedded processor to a high-resolution LCD with only a small number of high-speed signal lanes. An LVDS interface display…
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Screen, Touch Screen, or Touch Monitor? How to Choose the Right Touch Display for an OEM Project
Buyers searching for “screen touch screen” are often comparing several different products, even if the search words look similar. One buyer may need a bare touch panel.…
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Seven Segment Indicator vs. TFT LCD: Which Display Should You Use?
A seven segment indicator is one of the most recognizable electronic displays. It can show temperatures, speeds, counts, voltages, prices, timer values and machine parameters with very…
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How to Choose a Display Screen for Raspberry Pi HMI Projects
A Raspberry Pi can turn a display, touch panel and software interface into a working HMI prototype quickly. Connect a monitor through HDMI, start the operating system…
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Normally Black vs. Normally White LCD: What Is the Difference?
A TFT LCD datasheet may describe the display mode as normally black or normally white. These terms sound simple, but they are frequently misunderstood. Some buyers assume…
Read articleLCD Image Retention vs. Burn-In: Why a Static Image Can Remain on a TFT Screen
A machine changes to a new screen, but the outline of the previous menu remains faintly visible. An operator may describe the problem as LCD burn-in, ghosting…
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