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YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display

YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display

MOQ: 5 pieces
Price: $7.12-7.79/pieces
Standard Packaging: 25*20*5
Delivery Period: 14-60 days
Payment Method: T/T
Supply Capacity: 10000 pieces
Detail Information
Place of Origin
Guangdong, China
Brand Name
YZY
Certification
CE, ROHS
Model Number
YMC4004FB-X02
Highlight:

40x4 Display Format Character LCD Module

,

FSTN Positive Transflective Monochrome LCD Screen

,

ST7066U+ST7065 Driver IC COB LCD Display

Product Description
Monochrome 40x4 COB Character LCD Module
Industrial grade YMC4004FB-X02 COB Character LCD Module featuring FSTN positive transflective display with high contrast monochrome effect. Driven by professional ST7066U+ST7065 ICs with 5V DC logic supply voltage.
Product Specifications
Display Type Monochrome COB Character LCD Module (FSTN, Positive, Transflective)
Part Number YMC4004FB-X02
Display Format 40(characters) * 4(line)
Driver IC ST7066U + ST7065
Connection Type COB (Chip On Board)
Interface Type 18-pin Parallel Interface
Logic Supply Voltage 5.0V DC (Typ.)
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 Dimension 190.00mm(W) * 54.24mm(H) * 1.60mm(T)
Compliance RoHS
Key Features
  • 40*4 character COB packaging design with FSTN positive transflective display for clear readability
  • Professional ST7066U+ST7065 driver ICs with 1/16 Duty & 1/5 Bias driving method
  • 18-pin parallel interface compatible with mainstream embedded control systems and MCUs
  • Stable 5.0V logic supply voltage matching industrial standard power specifications
  • 6 O'clock optimized viewing direction with no visual distortion
  • White side LED backlight suitable for low-light working environments
  • Wide temperature adaptability for reliable performance in harsh industrial conditions
  • COB chip-on-board structural design with high reliability and anti-vibration properties
  • 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
  • Automotive electronic auxiliary display components
  • DIY electronic projects and embedded development kits
YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display 0
YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display 1
Company Profile
Shenzhen Yingzhanying Technology Co., Ltd., founded in January 2018 and located in Shenzhen, China, is a global supplier in the optoelectronic display industry. The company specializes in custom services, R&D, sales and after-sales services for LCD modules, touch modules, LCD panels, FPC boards and various optoelectronic materials used in industrial control, medical equipment, automotive electronics, and smart devices.
Frequently Asked Questions
How do you control product quality?
Each item undergoes strict testing before shipping 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.
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Martinez Jao
United Kingdom Dec 24.2025
The brightness is good. Even under direct sunlight, the display content can still be seen
D
David K.
United States Dec 20.2025
The built-in ESP32 makes this display module very convenient for development. The 2.4 inch screen is clear, and the touch response is stable when testing with Arduino IDE. Suitable for IoT and HMI prototype projects.
C
Chiraag Hebbar
United States Dec 14.2025
very excellent
Products
PRODUCTS DETAILS
YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display
MOQ: 5 pieces
Price: $7.12-7.79/pieces
Standard Packaging: 25*20*5
Delivery Period: 14-60 days
Payment Method: T/T
Supply Capacity: 10000 pieces
Detail Information
Place of Origin
Guangdong, China
Brand Name
YZY
Certification
CE, ROHS
Model Number
YMC4004FB-X02
Minimum Order Quantity:
5 pieces
Price:
$7.12-7.79/pieces
Packaging Details:
25*20*5
Delivery Time:
14-60 days
Payment Terms:
T/T
Supply Ability:
10000 pieces
Highlight

40x4 Display Format Character LCD Module

,

FSTN Positive Transflective Monochrome LCD Screen

,

ST7066U+ST7065 Driver IC COB LCD Display

Product Description
Monochrome 40x4 COB Character LCD Module
Industrial grade YMC4004FB-X02 COB Character LCD Module featuring FSTN positive transflective display with high contrast monochrome effect. Driven by professional ST7066U+ST7065 ICs with 5V DC logic supply voltage.
Product Specifications
Display Type Monochrome COB Character LCD Module (FSTN, Positive, Transflective)
Part Number YMC4004FB-X02
Display Format 40(characters) * 4(line)
Driver IC ST7066U + ST7065
Connection Type COB (Chip On Board)
Interface Type 18-pin Parallel Interface
Logic Supply Voltage 5.0V DC (Typ.)
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 Dimension 190.00mm(W) * 54.24mm(H) * 1.60mm(T)
Compliance RoHS
Key Features
  • 40*4 character COB packaging design with FSTN positive transflective display for clear readability
  • Professional ST7066U+ST7065 driver ICs with 1/16 Duty & 1/5 Bias driving method
  • 18-pin parallel interface compatible with mainstream embedded control systems and MCUs
  • Stable 5.0V logic supply voltage matching industrial standard power specifications
  • 6 O'clock optimized viewing direction with no visual distortion
  • White side LED backlight suitable for low-light working environments
  • Wide temperature adaptability for reliable performance in harsh industrial conditions
  • COB chip-on-board structural design with high reliability and anti-vibration properties
  • 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
  • Automotive electronic auxiliary display components
  • DIY electronic projects and embedded development kits
YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display 0
YZY 40x4 COB Character LCD Module with FSTN Positive Transflective Display 1
Company Profile
Shenzhen Yingzhanying Technology Co., Ltd., founded in January 2018 and located in Shenzhen, China, is a global supplier in the optoelectronic display industry. The company specializes in custom services, R&D, sales and after-sales services for LCD modules, touch modules, LCD panels, FPC boards and various optoelectronic materials used in industrial control, medical equipment, automotive electronics, and smart devices.
Frequently Asked Questions
How do you control product quality?
Each item undergoes strict testing before shipping 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.