Shenzhen Saef Technology Ltd.
| Payment Terms | T/T, PayPal, T/T 50% deposit, 50% before shipment |
| Supply Ability | 3,000,000 units / month |
| Delivery Time | 1–5 weeks after order confirmation |
| Packaging Details | Export-ready carton box |
| Display Size | 1.09-inch Circular |
| Resolution | 240×240 Pixels |
| Interface | SPI 4-Wire (SCL/SDA/CS/RS) |
| Color Depth | 262K Colors |
| Driver IC | GC9A01 (Embedded GRAM) |
| Viewing Angle | 85° All Directions |
| Surface Luminance | 400 cd/m² |
| Operating Temp. | -20°C to +70°C |
| Storage Temp. | -30°C to +80°C |
| Operating Voltage | Logic: 1.65-3.3V (IOVCC) |
| Response Time | 30ms (Tr+Tf Typical) |
| Compliance | REACH, RoHS & Halogen Free |
| Brand Name | SAEF |
| Model Number | SFTO109JY-7337AN |
| Certification | ISO9001 / ISO14000 |
| Place of Origin | ShenZhen / China |
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Product Specification
| Payment Terms | T/T, PayPal, T/T 50% deposit, 50% before shipment | Supply Ability | 3,000,000 units / month |
| Delivery Time | 1–5 weeks after order confirmation | Packaging Details | Export-ready carton box |
| Display Size | 1.09-inch Circular | Resolution | 240×240 Pixels |
| Interface | SPI 4-Wire (SCL/SDA/CS/RS) | Color Depth | 262K Colors |
| Driver IC | GC9A01 (Embedded GRAM) | Viewing Angle | 85° All Directions |
| Surface Luminance | 400 cd/m² | Operating Temp. | -20°C to +70°C |
| Storage Temp. | -30°C to +80°C | Operating Voltage | Logic: 1.65-3.3V (IOVCC) |
| Response Time | 30ms (Tr+Tf Typical) | Compliance | REACH, RoHS & Halogen Free |
| Brand Name | SAEF | Model Number | SFTO109JY-7337AN |
| Certification | ISO9001 / ISO14000 | Place of Origin | ShenZhen / China |
A 1.09" circular TFT LCD module engineered for industrial automation, medical devices, and premium IoT systems. Resolves critical design challenges with:
Ideal for replacing OLEDs in space-constrained, high-reliability HMI applications.
Critical Technical Specifications
| Category | Parameter | Min. | Typ. | Max. | Unit/Conditions |
|---|---|---|---|---|---|
| Electrical | Logic Voltage (IOVCC) | 1.65 | 3.3 | 3.3 | V (±10%) |
| Analog Voltage (VCI) | 2.5 | 2.8 | 3.3 | V | |
| Sleep Current | - | <10 | - | μA (VDD=3.3V) | |
| Optical | Luminance | 400 | 450 | - | cd/m² (LED=40mA) |
| Contrast Ratio | 800 | 1000 | - | (Dark Room) | |
| Response Time (GtG) | - | 30 | 35 | ms (25°C) | |
| Reliability | ESD Protection | ±4kV | ±8kV | - | (IEC 61000-4-2) |
| Vibration Resistance | - | - | 1.2 | Grms (10–55Hz) | |
| LED Lifespan (L70) | - | 25k | - | Hours (Ta=25°C) |
Competitive Advantages
Zero-Code Drivers: Arduino/STM32 HAL libraries reduce development time by 2 weeks.
Dynamic Power Control: PWM dimming (100Hz–1KHz) cuts standby power 37% vs. competitors.
Chemical-Resistant Surface: Withstands disinfectants (EN 60601-1 compliant).
Anti-Shock Design: 30.59×32.98mm housing with mounting holes.
Circular Pixel Optimization: Dedicated γ-correction (ΔE<2.5 at edges).
85° Omni-Directional Viewing: CR>10 at 12/3/6/9 o’clock positions.
| Industry | Use Case | Key Value |
|---|---|---|
| Medical | Portable pulse oximeters | Cold-start at -20°C, antimicrobial surface |
| Industrial IoT | Smart meter dashboards | EMI-immune SPI (stable @ 30V/m) |
| Consumer | Premium fitness trackers | 0.5mm bezel, 400nit sunlight visibility |
▸ Safety: EN 62368-1 (CE), FCC Part 15B
▸ Materials: RoHS 2011/65/EU, REACH Annex XVII
▸ Packaging: ISTA 1A shock-proof, ≤0.5% defect rate (AQL 0.65)
Why Engineers Choose SFTO109JY-7337AN
*"Solves circular display integration in medical wearables with precision SPI control and -20°C cold-start capability. GC9A01 driver eliminates external RAM costs."*
– Embedded Systems Design Team, Munich
Mechanical Outline Dimensions
General Specification
| Items | Specification | Unit |
| Drive element | a-Si TFT | - |
| LCM outline size | 30.59 (H) x 32.98 (V) | mm |
| Active area | 27.79 (H) x 27.79 (V) | mm |
| Number of pixels | 240(H)X240(V) | pixels |
| Pixel arrangement | RGB Vertical stripe | - |
| Pixel Pitch | 0.1158x 0.1158 | mm |
| Display color | 262k | color |
| Viewing direction | ALL | - |
| Controller / Driver | GC9A01 | - |
| Data interface | SPI 4W | - |
| Backlight | 2 White LED | - |
| Weight | TBD | g |
Absolute Maximum Ratings
| Characteristics | Symbol | Min. | Typ | Max. | Uni t |
| Supply Voltage | IOVCC | -0.3 | - | 4.6 | V |
| VCI | -0.3 | - | 4.6 | V | |
| TFT Gate On voltage | VGH | -0.3 | - | 27 | V |
| TFT Gate Off voltage | VGL | -0.3 | - | 27 | V |
| Backlight Forward Current | IF | - | 40 | mA | |
| Operating Temperature | TOPR | -20 | +70 | °C | |
| Storage Temperature | TSTG | -30 | +80 | °C | |
| Humidity | RH | - | 90 | % |
DC Characteristics
| Characteristics | Sym bol | Min. | Typ. | Max. | Unit | Note |
| Power Supply Voltage 1 | IOVC C | 1.65 | 1.8 | 3.3 | V | |
| Power Supply Voltage 2 | VCI | 2.5 | 2.8 | 3.3 | V | |
| Gate Driver High Voltage | VGH | 12 | - | 13 | V | |
| Gate Driver Low Voltage | VGL | -11 | - | -18 | V | |
|
Current Consumption | IDD | - | TBD | - | mA | Normal mode |
| IDD-SL EEP | TBD | uA | Sleep mode | |||
| Input voltage “L” Level | VIL | GND | - | 0.3IOVCC | V | IOVCC= 1.65~ 3.3 |
| Input voltage “H” Level | VIH | 0.7IOVCC | - | IOVCC | V | |
| Output voltage “L” Level | VoL | GND | - | 0.2IOVCC | V | IOL= 1mA |
| Output voltage “H” Level | VoH | 0.8IOVCC | - | IOVCC | V | IOH=-1mA |
Backlight Unit Characteristics
| Characteristics | Symbol | Condition | Min. | Type | Max. | Unit |
| Forward Voltage | Vf | IL=40mA | - | 2.8 | 3.0 | V |
| Forward current | IL | - | 40 | - | mA | |
| Luminance | Lv | IL=40mA | - | 450 | -- | cd/m2 |
| LED life time | - | IL=40mA | 20,000 | 25,000 | -- | Hr |
Product Image
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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