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1.29 Inch OLED Display Module with 128x64 Resolution and 4-Wire SPI Interface
The E129LJ-W-C16-01 is a high-performance 1.29-inch OLED module featuring 128×64 resolution and 4-Wire SPI interface support. This monochrome white display delivers clear, sharp text and graphics with 110 Cd/m² typical brightness, 2000:1 dark room contrast, and all-direction viewing angles, ideal for diverse application scenarios.
COG (Chip on Glass) packaging for compact size and high reliability, minimizing integration failures
4-Wire SPI interface for stable high-speed data transmission, compatible with mainstream MCUs
Low power consumption: 160μA typical VDD current, 625μA typical VCC current
Excellent optical performance: 2000:1 dark room contrast, natural white color (CIE x:0.25-0.33, y:0.27-0.35)
Wide operating temperature range (-20℃ to +70℃) adapts to harsh industrial and outdoor environments
Long service life: Up to 32,000 hours at 60 Cd/m² brightness, 10,000 hours at 120 Cd/m²
RoHS compliant, meeting international environmental protection standards
All-direction viewing angle for consistent display quality from any perspective
Electrical Specifications
Logic supply voltage (VDD): 1.65V to 3.5V Display supply voltage (VCC): 7.2V to 16.5V at 25℃ SPI interface: Maximum clock frequency 10MHz (minimum clock cycle 100ns) Input high voltage (VIN): 0.8×VDD; Input low voltage (VIL): ≤0.2×VDD Output high voltage (VOH): ≥0.9×VDD; Output low voltage (VOL): ≤0.1×VDD
Pin Definition
PIN
Symbol
Description
1
C2P
Charge pump capacitor pin; connect with C2N (PIN2) via capacitor
2
C2N
Charge pump capacitor pin; connect with C2P (PIN1) via capacitor
3
C1P
Charge pump capacitor pin; connect with C1N (PIN4) via capacitor
4
C1N
Charge pump capacitor pin; connect with C1P (PIN3) via capacitor
5
VBAT
Power supply for DC/DC converter circuit
6
VSS
Ground pin; must be connected to external ground
7
VDD
Power supply pin for core logic operation (1.65V~3.5V)
8
CS
Chip select pin (low level enable)
9
RESET
Reset signal input; pull LOW for initialization, keep HIGH during normal operation
10
D/C
Data/Command control pin connecting to MCU
11
SCL
Serial clock pin (SPI interface)
12
SDA
Serial data input/output pin (SPI interface)
13
IREF
Segment current reference pin; connect to VSS via resistor for current stabilization
14
VCOMH
COM signal deselected voltage level; connect to VSS via capacitor
15
VCC
Panel driving voltage supply pin; connect to VSS via capacitor when charge pump is enabled
16
VSS
Ground pin; must be connected to external ground
Application Scenarios
Industrial control equipment (PLC panels, sensor data monitors, compact controllers)
Portable instruments (handheld meters, data loggers, portable detection devices)
Consumer electronics (smart home controllers, portable gadgets, small POS machines)
DIY electronics and hobby projects requiring reliable small-screen displays
Customization Options
FPC Design: Flexible FPC layout and connector type adjustments to fit system integration
Brightness Tuning: Customizable brightness levels (90~200 Cd/m²) based on application needs
Polarizer Customization: Different polarizer types and thicknesses for specific viewing angle requirements
Packaging Solution: Customized tray or vacuum packaging for safe transportation and storage
Warranty Extension: Extended warranty options available for bulk orders
Handling Notes
Use proper electrostatic protection (anti-static bracelets, grounded tools) when handling. The polarizer is fragile--clean only with soft cloth soaked in petroleum IPA, avoid dry cloth or chemical solvents. Welding temperature: 320~350℃, welding time ≤10s to prevent FPC damage. Store in dark, anti-static containers at 23±5℃ and humidity ≤45±20%RH. Use modules within 6 months of receipt for best performance; recheck if stored over 12 months.
Shenzhen YZY Technology Co., Ltd. was founded in 2018. We are a manufacturer specializing in the R&D, production, sales and service of various display products. Our product portfolio includes LCD panels, touch displays, OLED modules, E-ink modules, HDMI monitors, digital photo frames and oth...
Shenzhen YZY Technology Co., Ltd. was founded in 2018. We are a manufacturer specializing in the R&D, production, sales and service of various display products. Our product portfolio includes LCD panels, touch displays, OLED modules, E-ink modules, HDMI monitors, digital photo frames and oth...
