Monochrome 20x4 COB LCD Module
Industrial-grade 20x4 character LCD module featuring advanced COB
(Chip On Board) packaging design with STN blue negative
transmissive display. This monochrome display delivers high
contrast and clear readability, driven by professional
ST7066U+ST7065 driver ICs.
Product Specifications
| Display Type | Monochrome COB Character LCD Module (STN/Blue, Negative,
Transmissive) |
| Part Number | YMC2004SB-X05 |
| Display Format | 20 characters × 4 lines |
| Driver IC | ST7066U + ST7065 |
| Connection Type | COB (Chip On Board) |
| Interface Type | 18-pin Parallel Interface |
| Logic Supply Voltage | 5.0V DC (Typical) |
| LCD Driving Voltage | 4.7V DC (Typical) |
| Driving Method | 1/16 Duty, 1/5 Bias |
| Operating Temperature | -20℃ ~ +70℃ |
| Storage Temperature | -30℃ ~ +80℃ |
| Viewing Direction | 6 O'clock |
| Backlight Type | White Side Backlight, 3.0V±0.2V, 45*2mA |
| Module Dimensions | 146.00mm(W) × 62.50mm(H) × 13.10mm(T) |
| Compliance | RoHS |
Key Features
- 20×4 character COB packaging with high contrast STN blue negative
display
- Professional ST7066U+ST7065 driver ICs with 1/16 Duty & 1/5 Bias
driving method
- 18-pin parallel interface compatible with mainstream embedded
control systems
- Stable 5.0V logic supply voltage matching industrial standards
- 6 O'clock optimized viewing direction for front-facing operation
- White side LED backlight suitable for low-light environments
- Wide temperature adaptability for harsh industrial conditions
- Precise mechanical dimensions with detailed mounting parameters
- COB chip-on-board design for high structural reliability
- RoHS compliant for global market access
Applications
- Industrial control equipment and intelligent operation control
panels
- Portable measuring instruments and precision electronic test meters
- Smart home appliance control panels and character display screens
- Embedded system display modules and IoT terminal control devices
- Medical portable devices and health monitoring equipment
- Handheld consumer electronics and battery-powered products
- Office equipment and small instrument display interfaces
- Smart sensor terminals and industrial data acquisition equipment
- DIY electronic projects and embedded development kits
- Automotive electronic auxiliary display components
Product Documentation
Company Information
Shenzhen Yingzhanying Technology Co., Ltd. was founded in January
2018 and is located in Shenzhen, China—a global hub of the
electronics industry. Its predecessor is Shenzhen Shengyuan
Optoelectronics Co., Ltd., established in 2013. The company has
always been committed to custom services, R&D, sales and
after-sales services in the optoelectronic display industry.
The company's products include Liquid Crystal Display (LCD) modules
(LCM), touch modules, LCD panels, FPC (Flexible Printed Circuit)
boards and various optoelectronic materials. These products are
widely used in industrial control, medical equipment, handheld
devices, instruments and meters, automotive electronics, digital
wearables, household appliances, financial services and other
fields.
Frequently Asked Questions
How do you control product quality?
Each item undergoes strict testing before shipping to ensure
reliability and performance, following MIL-STD-105E sampling plan
and passing multiple reliability tests.
Do you supply samples?
Yes, we provide samples for evaluation.
What is the delivery time?
Typically 7 working days after payment confirmation.
What is the minimum order quantity?
1 piece minimum order quantity.
What if we receive missing or defective items?
Please contact us immediately, and we will investigate to provide
the best solution promptly.
What are your main products?
Comprehensive range including LCD modules, touch modules, LCD
panels, FPC boards and various optoelectronic materials for
industrial control, medical equipment and smart devices.
What payment methods do you accept?
We accept T/T (Telegraphic Transfer) payments.
What shipping methods do you offer?
DHL and China Post shipping services available.
COG12864M1 STN Blue Film COG Dot Matrix LCD 128x64 Serial/Parallel ST7567A
