HZY's engineering notes: selection guides, interface comparisons and construction explainers, written against the production catalogue the modules are ordered from. Start with how to choose a TFT LCD display.
2026-10-20
128×64 Graphic LCD Module Buying Guide
Buying a 128x64 graphic LCD module: COG vs COB, ST7567-class controllers, outline dimensions, fluid types and the questions to ask before ordering.
2026-10-16
1602 LCD Module: I2C vs Parallel Interface
1602 LCD module interface choice: I2C backpack vs parallel bus compared on pins, speed, cost and firmware, plus when each is the right call in production.
2026-10-12
Bar-Type (Stretched) LCD Displays & Applications
Bar-type stretched LCD displays: formats from 360x960 to 480x1280, where stretched panels are used, and the mechanical and content rules for strip screens.
2026-10-08
COG vs COB LCD Modules: Construction Compared
COG vs COB LCD modules: how chip-on-glass and chip-on-board differ in thickness, cost, repairability and format range, and how to choose between them.
2026-10-04
Custom Segment LCDs: Design & Tooling Cost Guide
Custom segment LCD design and tooling cost guide: how segment glass is specified, what drives tooling and unit cost, lead times and when custom beats standard.
2026-09-30
High-Brightness TFT vs Standard TFT: When It Pays
High-brightness TFT vs standard TFT: the 600 cd/m² class compared on readability, power, heat and cost, and when standard brightness is the right choice.
2026-09-26
How to Choose a TFT LCD Display: A Buyer's Guide
How to choose a TFT LCD display in the right order: size and outline, resolution, interface, brightness, touch, and when to go custom instead of standard.
2026-09-22
LCDs for Medical Devices: Selection Checklist
Selecting LCD displays for medical devices: a checklist covering readability, lifecycle supply, documentation and what component suppliers can claim.
2026-09-18
LED Backlight Types and Brightness Explained
LED backlight types and brightness: edge-lit vs direct, cd/m² levels by application, colour options, lifetime behaviour and how brightness is specified.
2026-09-14
Round TFT Displays: Design Tips for Circular UIs
Designing with round TFT displays: circular UI layout, mechanical integration, FPC routing for knobs, cover lens rules and the 2.1 and 7 inch formats.
2026-09-10
SPI vs RGB vs MIPI LCD Interfaces Compared
SPI vs RGB vs MIPI LCD interfaces: pin counts, bandwidth, host requirements and framebuffer maths, with a selection path for MCU and SoC designs.
2026-09-06
ST7789 vs ILI9341 TFT Display Controllers
ST7789 vs ILI9341 controllers compared: resolution support, interfaces, refresh behaviour and library ecosystems — and what HZY's range actually uses.
2026-09-02
Sunlight Readable Displays: A Practical Guide
Sunlight readable displays explained: brightness thresholds, transflective technology, optical bonding and the specification mistakes that wash out screens.
2026-08-29
TFT vs LCD: What Is the Difference?
TFT vs LCD explained: TFT is a type of LCD. Compare TFT, TN, STN and VA, monochrome vs colour modules, and how to choose for instruments and equipment.
2026-08-25
Transflective vs Transmissive vs Reflective LCDs
Transflective vs transmissive vs reflective displays compared: how each mode uses light, power and readability trade-offs, and which products need which.
2026-08-21
VA vs TN vs STN LCD: Fluid Technologies Compared
VA vs TN vs STN LCD fluids compared: contrast, viewing angle, response, cost and temperature behaviour across monochrome and colour display designs.