1.29 Inch OLED Display Module with 128x64 Resolution and 4-Wire SPI Interface

1.29 inch OLED Display Module 128x64 Resolution 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.

Key Specifications

Product	1.29 inch OLED Module	Module Number	E129LJ-W-C16-01
Resolution	128(H)×64(V) dots	Display Color	White (Monochrome)
Brightness	90 Cd/m² (Min., Internal DC/DC), 120 Cd/m² (Min., External VCC), 110 Cd/m² (Typ.)	Outline Dimensions	32.42(W)×21.36(H)×1.427(T)mm
Viewing Direction	All O'Clock	Active Area	21.74(W)×11.175(H)mm
Interface	4-Wire SPI	Operating Temperature	-20 ~ +70 ℃
Driver IC	SSD1315	Storage Temperature	-30 ~ +80 ℃
IC Package Type	COG (Chip on Glass)	Drive Duty	1/64
Pixel Pitch	0.23(W)×0.23(H)mm	RoHS Compliance	YES

Product Highlights: 1.29-inch OLED, 128×64 resolution, 4-Wire SPI interface, SSD1315 driver, COG packaging, 2000:1 contrast ratio, wide temperature range (-20~70℃), RoHS compliant, 50,000 hours MTBF

Technical Features

• 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)
• Smart sensor interfaces (environmental sensors, motion sensors, IoT devices)
• Consumer electronics (smart home controllers, portable gadgets, small POS machines)
• DIY electronics and hobby projects requiring reliable small-screen displays

• 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

     Shenzhen YZY Technology Company Limited is a professional factory specializing in the research, design, production, and service of LCD display, Touch screen, Raspberry Pi display, and Driver board.

     We adhere to the "Customer First" principle, offering high-quality products at competitive prices. As an experienced LCD module factory, we have developed thousands of LCD display for various industries, including industrial control, automotive, smartwatches, medical equipment, smart homes, and more.

     We provide both OEM and ODM services to our customers. All of our products are in compliance with RoHS, REACH, and CE standards, and come with a 12-month warranty.