Categories: Character LCD Modules
20×4 COB Character LCD Module – LCM2004A
Standard 20×4 COB character LCD module for industrial equipment and embedded systems.
Display Format: 20×4 Characters
Structure: COB
Controller IC: ST7066
Interface: 6800 / SPI
Module Size: 77.0 × 47.0 mm
Viewing Area: 60.0 × 22.0 mm
Product Description
The Longtech LCM2004A is a 20×4 COB character LCD module for industrial instruments, control panels and embedded systems. It measures 77.0 × 47.0 mm, with a 60.0 × 22.0 mm viewing area and 2.30 × 4.03 mm characters for clear presentation of status and measurement information.
The module uses an ST7066 controller and supports 6800 or SPI interfaces. It is available in 5.0 V or 3.3 V versions, with STN or FSTN technology, positive or negative display modes, and 6:00 or 12:00 viewing directions.
Display appearances include yellow-green, blue, gray, white and black. Backlight options include no backlight or yellow-green, blue, white, green, amber and red LEDs. Six character ROM options are available: English/Japanese; English/Western European; English/Eastern European; English/Scandinavian European; English/Cyrillic (Russian); and Hebrew/Arabic. Each version uses one selected character ROM, which should be confirmed before sample approval.
Technical Specifications
Drawings & Downloads
Download technical documents for product evaluation and integration.
Custom Options
We support flexible LCD customization for industrial applications, from optical performance and backlight configuration to interface and mechanical design.
LCD Technology
TN, STN, FSTN and VA display technologies for different readability and contrast requirements.
Backlight & Color
LED backlight colors, brightness levels and RGB backlight configurations.
Interface & Controller
SPI, I²C, parallel interfaces and controller IC options based on system requirements.
Mechanical Design
Custom module dimensions, viewing area, glass outline and mounting structure.
Temperature Range
Standard and wide-temperature solutions for demanding industrial environments.
Connector & Pinout
Custom FPC, pin assignment, connector type and cable length for easier integration.
Need a Custom LCD Solution?
Share your specifications with our engineering team for a technical review and quotation.
Tell Us About Your LCD Project
LONGTECH DISPLAY
- Address: 5F No.8-5 Xiayang Road, Haicang Area, Xiamen China
- Email: zhong@longtech-display.com
- Tel: +0086-592-6060928
- Fax: +0086-592-6682033
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