Shenzhen Saef Technology Ltd.
| Payment Terms | L/C, T/T, Western Union, Paypal |
| Supply Ability | 3000K pcs per month |
| Delivery Time | 3 working days for samples, 1-3 weeks for MP |
| Packaging Details | Standard Export Package |
| Product | 0.91" PMOLED |
| Structure | COG + PCB |
| Resolution | 128 x 32 Pixels |
| Interfaces | I²C (IIC), 4 Pins |
| Controller | SSD1306 |
| Bightness | 150 cd/m² (Min), 180 cd/m² (Typ) |
| Color | White & Blue, optional |
| Supply Voltage | 1.65V to 3.3V |
| Opereating Temp. | -40℃ to +70℃ |
| Contrast Ratio | 2000 : 1 ( Dark Room Contrast ) |
| Module Size | 38.0 mm (L) x 12.0 mm (W) x 3.1 mm (T) Max |
| Supply Voltage (Display) | 6.4V to 9V (External) / 3.5V to 4.2V (Internal DC/DC) |
| Compliance | REACH & RoHS Compliant |
| Customization: | Available |
| Brand Name | SAEF |
| Model Number | SFOM091JY4-12832WB-01 |
| Certification | ISO9001 / ISO14000 |
| Place of Origin | ShenZhen / China |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Western Union, Paypal | Supply Ability | 3000K pcs per month |
| Delivery Time | 3 working days for samples, 1-3 weeks for MP | Packaging Details | Standard Export Package |
| Product | 0.91" PMOLED | Structure | COG + PCB |
| Resolution | 128 x 32 Pixels | Interfaces | I²C (IIC), 4 Pins |
| Controller | SSD1306 | Bightness | 150 cd/m² (Min), 180 cd/m² (Typ) |
| Color | White & Blue, optional | Supply Voltage | 1.65V to 3.3V |
| Opereating Temp. | -40℃ to +70℃ | Contrast Ratio | 2000 : 1 ( Dark Room Contrast ) |
| Module Size | 38.0 mm (L) x 12.0 mm (W) x 3.1 mm (T) Max | Supply Voltage (Display) | 6.4V to 9V (External) / 3.5V to 4.2V (Internal DC/DC) |
| Compliance | REACH & RoHS Compliant | Customization: | Available |
| Brand Name | SAEF | Model Number | SFOM091JY4-12832WB-01 |
| Certification | ISO9001 / ISO14000 | Place of Origin | ShenZhen / China |
| High Light | 0.91-inch OLED display module with I²C ，SSD1306 PMOLED for embedded designs ，compact OLED display module wearable | ||
Saef Technology Limited presents the SFOM091JY-12832WB-01, a high-performance 0.91-inch PMOLED display module designed for engineers and developers who require ultra-compact, low-power, and reliable displays for embedded systems, wearable devices, IoT interfaces, and industrial instrumentation. With its crisp 128x32 resolution, I²C interface, and robust SSD1306 driver, this module delivers exceptional clarity and ease of integration in space-constrained designs across Europe and the United States.
Ultra-Compact Form Factor:
Measuring only 38.0 x 12.0 x 3.1 mm, this display is ideal for wearable tech, medical monitors, smart sensors, and portable instruments where every millimeter counts.
High-Contrast PMOLED Technology:
Featuring a 2000:1 contrast ratio and 150–180 cd/m² brightness, this OLED delivers sharp, self-emissive pixels with wide viewing angles and no backlight—perfect for low-light or sunlight-readable applications.
Wide Operating Temperature Range:
Rated for -40°C to 70°C, this module performs reliably in extreme environments, from industrial automation to outdoor wearables.
Low Power Consumption:
With sleep mode currents as low as 1 μA (VDD) and 2 μA (VCC), this display extends battery life in power-sensitive designs.
Flexible Power Architecture:
Supports both external VCC (6.4V–9V) and internal DC/DC conversion from VBAT (3.5V–4.2V), simplifying power system design.
I²C Interface with Full Command Control:
Based on the industry-standard SSD1306, the module offers complete programmability for multiplex ratios, COM scan direction, contrast, pre-charge periods, and VCOMH levels—enabling fine-tuned optimization for your application.
Struggling with limited PCB real estate?
Our 0.91-inch OLED fits into tight layouts with a simple 4-pin interface (GND, VCC, SCL, SDA), reducing routing complexity and BOM cost.
Need a display that works in freezing or high-temperature environments?
With an operating range of -40°C to 70°C and full compliance with industrial reliability testing (including vibration, ESD, and temperature cycling), this module is built for harsh conditions.
Concerned about power management in battery-operated devices?
The integrated DC/DC converter and ultra-low sleep currents enable years of operation on a single coin cell.
Looking for a display that supports custom font colors or graphics?
While standard models come in white or blue, Saef offers free semi-custom modifications including color tuning, custom pinouts, firmware tweaks, and even touchscreen integration (RTP/CTP) upon request.
ISO 9001:2015 & ISO 14001:2015 Certified – Your assurance of quality and environmental responsibility.
Full SSD1306 Command Support – Datasheet includes detailed timing diagrams, initialization sequences, and power-up/down protocols.
Reliability Tested – Includes high/low temperature operation, storage, humidity, vibration, ESD, and drop tests.
Engineer-to-Engineer Support – Access to technical documentation, sample code, and direct factory engineering consultation.
Wearable Devices (Smartwatches, Fitness Trackers)
Medical Monitoring Equipment
IoT Dashboards & Sensor Displays
Industrial HMIs & Instrumentation
Consumer Electronics (Portable Audio, Gaming)
Automotive & Aviation Interfaces
Smart Home Controls
Ready to integrate? Contact our engineering team for free customization quotes, sample requests, or firmware support. We support low MOQ and fast turnaround for OEM/ODM projects, including touchscreen integration, bezel modifications, and custom connector layouts.
Call to Action
Download the full datasheet, view command tables, or request a development sample today. Let Saef Technology empower your next embedded vision with displays engineered for reliability, clarity, and ease of integration.
Mechanical Dimensions
Interface Pin Definition
| PIN | SYMBOL | Descriptions |
| 1 | GND | Ground of Logic Circuit |
| 2 | VCC | Power Supply for Logic |
| 3 | SCK | Serial clock input. |
| 4 | SDA | Serial data input. |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Supply Voltage for Logic | VDD | -0.3 | 4 | V |
| Supply Voltage for Display | VCC | 0 | 16.5 | V |
| Supply Voltage for DC/DC | VBAT | -0.3 | 4.5 | V |
| Operating Temperature | TOP | -40 | 70 | .C |
| Storage Temperature | TSTG | -40 | 85 | .C |
| Life Time (110 cd/m2) | 10/000 | - | hour | |
| Life Time (80 cd/m2) | 30/000 | - | hour | |
| Life Time (60 cd/m2) | 50/000 | - | hour |
Optics Characteristics
| Characteristics | Symbol | Conditions | Min | Typ | Max | Unit |
| Brightness (VCC Supplied Externally) | Lbr | - | 90 | - | - | cd/m2 |
| Brightness (VC Generated by Internal DC/DC) | Lbr | - | 80 | 110 | - | cd/m2 |
| C.I.E. (White) | (x) (y) | C.I.E. 1931 | 0.25 0.27 | 0.29 0.31 | 0.33 0.35 | |
| Dark Room Contrast | CR | - | 2000:1 | - | ||
| Viewing Angle | - | Free | - | degree |
DC Characteristics
| Characteristics | Symbol | Conditions | Min | Typ | Max | Unit |
| Supply Voltage for Logic | VDD | - | 3.3 | - | V | |
| Supply Voltage for Display (Supplied Externally) | VCC | Note 5 (Internal DC/DC Disable) | 8.5 | 9.0 | 9.5 | V |
| Supply Voltage for DC/DC | VBAT | Internal DC/DC Enable | - | 3.3 | - | V |
| Supply Voltage for Display Generated by Internal DC/DC | VCC | Note 6 (Internal DC/DC Enable) | 7.0 | - | 7.5 | V |
| High Level Input | VIH | IOUT = 100μA/ 3.3MHz | 0.8×VDD | - | VDD | V |
| Low Level Input | VIL | IOUT = 100μA/ 3.3MHz | 0 | - | 0.2×VDD | V |
| High Level Output | VOH | IOUT = 100μA/ 3.3MHz | 0.9×VDD | - | VDD | V |
| Low Level Output | VOL | IOUT = 100μA/ 3.3MHz | 0 | - | 0.1×VDD | V |
| Operating Current for VDD | IDD | - | 160 | 220 | μA | |
| Operating Current for VCC (VCC Supplied Externally) | ICC | - | 9 | 15 | mA | |
| Operating Current for VBAT (VCC Generated by Internal DC/DC) | IBAT | - | 27.0 | 32.0 | mA | |
| Sleep Mode Current for VDD | IDD/ SLEEP | - | - | 10 | μA | |
| Sleep Mode Current for VCC
| ICC/ SLEEP | - | - | 10 | μA |
Contact Us
We love to hear about your projects, If you have any questions, we can be reached at cologne_ke@saef.com.cn
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
40000000-50000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t... Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t...
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