Home Products OLED Module Graphic OLED Display WEX025664D

5.5" OLED Display

Model No. WEX025664D

►Type: Graphic (Without Frame)
►Structure: TAB
►5.5 inch OLED Display
►256x64 Dot Matrix
►Built-in controller SSD1322UR1
►3V Power supply
►1/64 duty
►Interface: 6800, 8080, SPI


Winstar 5.5 inch TAB OLED 256x64 WEX025664D module is built-in SSD1322 IC; it supports 6800, 8080 and SPI interface. This display is having the module dimension of 146.0 x 45.0 mm and AA size of 135.65 x 33.89 mm. This module is the largest passive-matrix OLED we have launched so far in our OLED product line which is very suitable for POS system application. This OLED module can be operating at temperatures from -40℃ to +80℃. Winstar TAB Series are suitable for wall / meter devices, home applications, POS system, Cloud/IoT system, handheld instruments, intelligent technology devices, energy systems, automotive, communication systems, medical instrument, etc. Customers can upgrade your current applications from traditional STN displays to OLED displays since Winstar provides a very wide range of dot pixel formats OLED solutions.

  • WEX025664DL : Yellow
  • WEX025664DG : Green (might have MOQ)


5.5 inch OLED, 5.5 OLED Display - WEX025664D


Interface Pin Function

Pin No. Symbol Description
1 NC No Connection
2 VSS Ground Pin
3 VCC Panel driving voltage
4 VCOMH COM deselected level
5 VLSS Analog system ground pin
6~13 D7~D0 Data Bus
14 E/RD# Chip Enable Signal
15 R/W# Read/Write Control
16~17 BS0~BS1 Interface selection
18 D/C# Data/Command Control Pin
19 CS# Chip Select Pin
20 RES# Reset Signal Pin  
21 FR Not Connected
22 IREF SEG output current refer pin
23 NC No Connection
24 VDDIO Voltage for interface logic 
25 VDD Voltage for logic
26 VCI Low voltage power supply
27 VSL SEG voltage refer Pin
28 VLSS Analog system ground pin
29 VCC Panel driving voltage
30 NC No Connection

Mechanical Data

Item Dimension Unit
Module dimension 146.0 × 45.0 mm
Viewing area 137.65 × 35.89  mm
Active area 135.65 × 33.89  mm
Dot pitch 0.53 × 0.53 mm
Dot size 0.50 × 0.50   mm

Electronical Characteristics

Item Symbol Condition Standard Value Unit
Min Typ Max
Supply Voltage VCI --- 2.8 3.0 3.3 V

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