Home Products OLED Module Character OLED Display WEH004002A

OLED 40x2, 5.85 inch OLED

Model No. WEH004002A

►Type: Character
►Structure : COB
►40 characters x 2 Lines
►Built-in Controller WS0010
►5V power supply
►1/16 duty cycle
►Interface: 6800, option 8080, SPI
►Compatible to STN LCD WH4002A
►Display Color: White / Yellow / Sky Blue


Winstar 5.85 inch OLED item no. WEH004002A which has the same outline size, VA size and pin out as Winstar STN LCD standard item of WH4002A. This OLED 40x2 display is built-in WS0010 IC which has different interfaces optional; it is default 6800, available options 8080 and SPI. The key features of OLED display are brighter display, much higher contrast display, wider viewing angles, that have faster response times, self-illuminating and lower current consumption.

The WEG020016A is the equivalent Graphic type to WEH004002A. If your applications need Graphic mode to display the contents, you can choose WEG020016A.


WEH004002A - OLED 40x2, 5.85 inch OLED Drawing


Interface Pin Function

Pin No. Symbol Description
1 VSS Ground Pin
2 VDD Voltage for logic
3 NC No Connection
4 RS Register Select 
5 R/W Read/Write Control
6 E Chip Enable Signal
7~14 DB0~DB7 Data Bus
15~16 NC No Connection

Mechanical Data

Item Dimension Unit
Module dimension 182.0 × 38.5 mm
View area 154.4 × 16.5 mm
Active area 148.13 × 11.85 mm
Dot pitch 0.62 × 0.70 mm
Dot size 0.57 × 0.65 mm

Electronical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage VDD --- 4.8 5.0 5.3 V

Search Keyword: 40x2 oled, oled 40x2

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