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COG LCD Display | 128x64 STN+YG LCD Panel
Premium Monochrome COG LCD Module - HTG12864-82 by HOTLCD
Looking for a reliable, high-performance display solution? Discover
our HTG12864-82 monochrome COG LCD module – designed to elevate
your projects with precision and durability!
Key Features & Benefits
Sharp Visual Performance
128x64 pixel resolution for crisp text and graphics.
FSTN, positive, transflective display mode ensures clear visibility
in both bright and low-light environments.
12H viewing angle for versatile installation flexibility.
Efficient & Versatile Design
Compact size: 40.8x33.1x4.15mm – perfect for space-constrained
applications.
White LED backlight for enhanced readability, even in dim
conditions.
1/64 duty, 1/9 bias driving method ensures low power consumption
and stable operation.
Robust Mechanical & Electrical Specs
Wide operating temperature range: -20°C to 70°C, ideal for
industrial and consumer use.
Durable COG (Chip-on-Glass) construction for reliable performance
and long lifespan.
Multiple interface options: Supports parallel (8080/6800 modes) and
4-line SPI for easy integration.
User-Friendly & Safe Handling
Simple reset mechanism via /RES pin for quick initialization.
Static charge protection and clear mounting guidelines for
hassle-free assembly.
Strict inspection standards ensure minimal defects (e.g., ≤3 minor
spots/line defects).
Applications
Perfect for:
Industrial control panels
Medical devices
Consumer electronics (e.g., smart meters, POS systems)
Automotive displays
Why Choose HOTLCD?
Professional expertise: Decades of experience in display solutions.
Quality assurance: RoHS compliant and built to withstand harsh
environments.
Custom support: Tailored solutions for unique project requirements.
COG LCD display module is a transflective module designed to
deliver clear visibility across diverse lighting environments,
making it ideal for both industrial and hobbyist applications. Its
gray-pixel-on-white-background design combines reflective and
transmissive properties: in bright sunlight, ambient light is
reflected to produce a crisp image, while in low-light conditions,
an integrated backlight enhances readability. This dual
functionality ensures high contrast and sharp graphics regardless
of external lighting, supported by the built-in ST7567 controller,
which manages display operations and simplifies integration. The
COG LCD display module operates at 5.0V and includes an internal
negative voltage generator, eliminating the need for external
components to adjust contrast. However, its performance is
constrained to a temperature range of -20°C to 70°C, outside of
which functionality may degrade, necessitating careful
consideration in extreme environments.
Compatibility with platforms like Arduino and C8051
microcontrollers allows seamless integration into electronic
systems. Developers can leverage existing libraries such as U8g2 or
Adafruit for rapid prototyping, though attention to pin
configurations (e.g., SPI/I2C interfaces, CS, RESET, and DC pins)
is critical. The backlight may require a transistor-driven circuit
if its current demands exceed the microcontroller’s capacity, a
detail often clarified in the controller’s datasheet.
Initialization sequences, including contrast calibration and reset
procedures, should be prioritized in firmware to ensure optimal
performance.
Designed for durability, the display is RoHS-compliant and suited
for harsh conditions, making it applicable in outdoor devices
(e.g., GPS units, solar-powered meters), industrial control panels,
and automotive dashboards—provided temperature limits are observed.
Its 12:00 viewing angle optimizes readability when viewed head-on,
though contrast diminishes at oblique angles. Troubleshooting
common issues—such as a blank screen—involves verifying power
supply stability, checking wiring integrity, and confirming
software settings. Poor contrast can often be resolved through
software adjustments to the ST7567’s internal registers, while
backlight failures may stem from inadequate power or faulty driver
circuits.
For developers, the ST7567 datasheet offers essential guidance for
advanced customization, while open-source projects and forums
provide practical examples of implementation. By balancing
ruggedness, adaptability, and ease of use, this COG LCD display
module serves as a reliable solution for projects demanding
readability in variable conditions, from sunlit outdoor
installations to dimly lit industrial settings.
| parameter | Specification content | unit |
| Name | HTG12864-82-31W-14C10-V02 | |
| Graphic display | 128 × 64 | dots |
| Dimensions | 71.4x44.7x6.2 | mm |
| VA size | 66.7x35 | mm |
| AA size | 63.98x31.98 | mm |
| Pixel pitch | 0.5x0.5 | mm |
| Driver chip | ST7567 | |
| Applied voltage | 5.0V | V |
| Backlight illumination | white | |
| Display mode | FSTN(+) | |
| Drive mode | 1/64 duty cycle | |
| Product type | COG LCD Display | |
| Polarizer type | Transflective | |
