Monochrome 20x2 COB Character 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. Operating at 5.0V DC logic supply
voltage, it offers excellent wide temperature adaptability and
reliable performance for demanding industrial applications.
Product Specifications
| Display Type | Monochrome COB Character LCD Module (STN/Blue, Negative,
Transmissive) |
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| Part Number | YMC2004SB-X01 |
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| Display Format | 20(characters) × 4(line) |
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| Display Effect | Monochrome (Black & White) STN Blue Negative |
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| Driver IC | ST7066U + ST7065 |
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| Connection Type | COB (Chip On Board) |
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| Interface Type | 16-pin Parallel Interface |
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| Logic Supply Voltage (VDD) | 5.0V DC (Typ.) |
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| LCD Driving Voltage (V0) | 4.7V DC (Typ.) |
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| Driving Method | 1/16 Duty, 1/5 Bias |
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| Operating Temperature | -20℃ ~ +70℃ |
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| Storage Temperature | -30℃ ~ +80℃ |
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| Viewing Direction | 6 O'clock |
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| Backlight Type & Parameter | White Side Backlight, 3.0V±0.2V, 30mA |
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| Module Dimension (PCB) | 98.00mm(W) × 60.00mm(H) × 1.60mm(T) |
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| Module Height (Total) | 13.10mm |
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| Bezel Size | 96.80mm(W) × 55.00mm(H) |
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| Viewing Area (V/A) | 77.00mm(W) × 25.20mm(H) |
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| Effective Display Area (A/A) | 70.41mm(W) × 20.81mm(H) |
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| Mounting Hole Distance | 93.00mm(W) × 39.30mm(H) |
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| Pin Pitch | 2.54mm (16 pins total) |
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| Tolerance | ±0.2mm (Ulteriorly) |
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| Compliance | RoHS |
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Product Features
- 20×4 character COB packaging design with STN blue negative
transmissive display for high contrast and clear readability
- Professional ST7066U+ST7065 driver ICs with 1/16 Duty & 1/5 Bias
driving method for strong anti-interference and stable long-term
operation
- 16-pin parallel interface with standard control logic (RS/R/W/E),
compatible with mainstream embedded control systems and MCUs
- Stable 5.0V logic supply voltage matching industrial standard power
supply specifications for easy system integration
- 6 O'clock optimized viewing direction with no visual distortion,
ideal for front-facing operation scenarios
- White side LED backlight (3.0V±0.2V, 30mA) providing uniform
illumination for low-light working environments
- Excellent wide temperature adaptability (-20~70℃ operating, -30~80℃
storage) for reliable performance in harsh industrial conditions
- Precise mechanical dimensions with detailed mounting parameters
ensuring consistent product assembly and stable quality
- COB chip-on-board structural design for high reliability,
anti-vibration and anti-fall performance
- RoHS compliant meeting environmental protection requirements for
global market access
- Strict quality control ensuring reliable performance and long
service life
Product 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 with
character display
- Handheld consumer electronics and battery-powered character display
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 and
vehicle-mounted character displays
Outline Dimension

Product Application Examples

Cooperative Partners

Our Factory

Payment and Shipping

Company Profile
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, making it a supplier to many well-known clients worldwide.
Frequently Asked Questions
1. 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.
2. Do you supply samples?
Yes, we provide samples for evaluation.
3. What is the delivery time?
Typically 7 working days after payment confirmation.
4. What is the minimum order quantity?
1 piece minimum order quantity.
5. What if we receive missing or defective items?
Please contact us immediately, and we will investigate to provide
the best solution promptly.
6. 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.
7. What payment methods do you accept?
We accept T/T (Telegraphic Transfer) payments.
8. What shipping methods do you offer?
DHL and China Post shipping services available.