Home Products OLED Module Graphic OLED Display WEO128128A

1.5" COG Graphic OLED Display, 128x128 pixel OLED Module

Model No. WEO128128A

►Type: Graphic
►Structure: COG
►Size: 1.5 inch
►OLED 128x128
►Built-in controller SSD1327ZB
►3V Power supply
►1/128 duty
►Interface: 6800, 8080, SPI, I2C


Winstar WEO128128A is a passive matrix OLED display which is made of 128x128 pixels, diagonal size 1.5 inch. The WEO128128A has the outline dimension of 33.8 x 36.5 mm and AA size 26.86 x 26.83 mm; it is built in with SSD1327ZB controller IC and it communicates via 6800/8080 8-bit parallel, I2C and 4-wire SPI serial interface, 3V power supply.  The WEO128128A is a COG structure OLED display which is ultra thin and no need of backlight (self emitting); it's lightweight and low power consumption.  This OLED module is suitable for handheld instruments, meters, IoT, etc. 

WEO128128A module can be operating at temperatures from -40℃ to +80℃; its storage temperatures range from -40℃ to +80℃. Below is the basic specification of WEO128128A as reference. 

  • WEO128128AW : White
  • WEO128128AL : Yellow
  • WEO128128AS : Sky Blue (might have MOQ)


Winstar 1.5" COG Graphic OLED Display 128x128, 128x128 pixel OLED Module - WEO128128A


Interface Pin Function

Pin No. Symbol Description
1 VSS Ground Pin
2 VCC Panel driving voltage
3 VCOMH COM deselected level
4 VCI Low voltage power supply
5 VDD Voltage for logic
6 BS1 Interface selection
7 BS2 Interface selection
8 VSS Ground Pin
9 IREF SEG output current refer pin
10 CS# Chip Select Pin
11 RES# Reset Signal Pin
12 D/C# Data / Command Control Pin
13 W/R# Write Control
14 RD# Read Control Signal
15~22 D0~D7 Data BUS
23 VCC Panel driving voltage
24 NC No Connection

Mechanical Data

Item Dimension Unit
Module Dimension 33.8 × 36.50 mm
Viewing Area 28.86 × 28.86 mm
Active Area 26.86 × 26.86 mm
Dot Pitch 0.21 × 0.21 mm
Dot Size 0.185 × 0.185 mm

Electronical Characteristics

Item Symbol Condition Standard Value Unit
min. typ. max.
Input Voltage VCI --- 2.8 3.0 3.3 V

Search keyword: 128x128 oled, oled 128x128, 1.5 oled, 1.5" oled, 1.5 inch oled, oled 1.5 inch, oled 1.5"

go top