0.91 Inch 128x32 White OLED Display Module I2C 4-Pin SSD1306 3.0V
This industrial-grade 0.91-inch white OLED module features advanced
COG (Chip On Glass) packaging design, driven by professional
SSD1306 driver IC with 1/32 Duty driving scheme. It offers 128x32
dot matrix pure white display, 4-pin I2C interface, wide
temperature adaptation range (-30~+80℃ operating, -20~+70℃
storage), and compact dimensions (38.00±0.5mm×30.00±0.2mm×3.10mm
max thickness). Ideal for industrial control, portable electronics,
smart devices, and embedded display systems with strict space and
performance requirements.
Product Specifications
| Display Type | 0.91" Passive Matrix White OLED Module (Positive Mode) |
| Module Model | YOK0091MCI-X1 |
| Part Number | OLED0.91 |
| Driver IC | SSD1306 |
| Driving Scheme | 1/32 Duty |
| Logic Voltage (VDD) | 3.0V DC |
| Interface Type | I2C (IIC, Serial Interface) |
| Pin Number | 4PIN |
| Operating Temperature | -30℃ ~ +80℃ (Wide Temperature) |
| Storage Temperature | -20℃ ~ +70℃ |
| Connection Type | COG (Chip On Glass) |
| Outline Dimension | 38.00±0.5mm(L)×30.00±0.2mm(W)×3.10mm max(T) |
| Active Area (A/A) | 24.38mm(L) × 5.58mm(W) |
| Pixel Resolution | 128x32 Pixels |
| OLED Thickness | 1.20mm |
| 3M Glue Thickness | 0.4mm |
| PCB Thickness | 1.20mm |
| Unnoted Tolerance | 0.2mm |
| Solder Type | SMD (Max 1.20mm) |
| Display Color | Pure White |
| Compliance Standard | RoHS (EU Instructions) |
Product Features
- 0.91-inch 128x32 dot matrix pure white OLED display for clear,
sharp text and graphics
- SSD1306 dedicated driver chip with 1/32 Duty driving scheme for
stable performance and strong anti-interference
- Standard 4-pin I2C serial interface with high compatibility for
mainstream microcontrollers
- Fixed 3.0V logic voltage supply matching most low-voltage
electronic systems
- Wide temperature adaptation range (-30~+80℃ operating, -20~+70℃
storage) for harsh environments
- Ultra-thin structural design with max overall thickness of 3.10mm
- Precise mechanical parameters with 0.2mm unnoted tolerance for
stable assembly
- SMD solder type (max 1.20mm) for easy PCB soldering and reflow
process
- RoHS compliant materials meeting EU environmental protection
requirements
- Low power consumption suitable for battery-powered portable
electronics
- High precision dot pitch of 0.175mm for clear and delicate display
effects
Product Applications
- Industrial control equipment and small-size intelligent operation
panels
- Portable measuring instruments and mini precision electronic meters
- Small handheld smart devices and industrial handheld terminals
- IoT sensor nodes and low-power smart monitoring equipment
- Automotive electronic auxiliary display components
- Smart home appliance control panels and small monochrome display
screens
- Medical portable devices and mini health monitoring equipment
- Consumer electronics and battery-powered small display products
- Industrial meters and smart wearables with wide temperature
requirements
- Professional test and measurement equipment
- DIY electronic projects and microcontroller development boards
- Smart card readers and portable payment terminals
Technical Documentation
Application Examples
Company Profile
Yingzhan Ying Technology 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 OLED modules, 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
How do you control product quality?
Each item undergoes strict testing before shipping to ensure
reliability and performance, complying with the stated tolerance
and technical parameters.
Do you supply samples?
Yes, we provide samples for evaluation, supporting small batch
testing for your project development.
What is the delivery time?
Typically 7 working days after payment confirmation for both sample
and bulk orders.
What is the minimum order quantity?
1 piece minimum order quantity, supporting individual purchase for
prototyping and small projects.
What if we receive missing or defective items?
Please contact us immediately with product photos and order
information, and we will investigate to provide the best solution
promptly.
What are your main products?
Comprehensive range including various size LCD monitors, touch
screens, housings, cables, accessories, plus development boards and
accessories from NVIDIA, micro:bit, Arduino, BeagleBone Black and
other leading brands.
What payment methods do you accept?
We accept T/T (Telegraphic Transfer) payments for all orders, both
sample and bulk.
What shipping methods do you offer?
DHL and China Post shipping services available, covering global
delivery for your convenience.
0.42 Inch 72x40 Dot Matrix OLED Module SS1306 COG Design I2C 4-Pin 3.3~5V
