Home Products OLED Module Character OLED Display WEH002002B

Character OLED Display, OLED 20x2

Model No. WEH002002B

►Type: Character
►Structure : COB
►20 characters x 2 Lines
►Built-in Controller WS0010
►5V power supply
►1/16 duty cycle
►Interface: 6800, option 8080, SPI
►Compatible to STN LCD WH2002L


Winstar WEH002002B is Character OLED Display 20x2 COB structure. The OLED WEH002002B has the same outline size, VA size and pin out as Winstar LCD item no. WH2002L. This OLED WEH002002B model can be used as compatible replacement for STN LCD WH2002L. All Winstar standard COB OLED Character types are built-in with all-in-one Fonts controller IC WS0010; which offer 4 font sets on 1 device. These include English/Japanese, West European, Scandinavian European, and Cyrillic (Russian). We suggest customers to consider using this low power 20x2 character OLED display to replace your existing STN character display or new projects.

  • WEH002002BW : White
  • WEH002002BL : Yellow
  • WEH002002BG : Green (might have MOQ)
  • WEH002002BS : Sky Blue (might have MOQ)


WEH002002B - Character OLED Display, OLED 20x2


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 180.0 × 40.0 mm
View area 149.0 × 23.0 mm
Active area 145.08 × 20.64 mm
Dot pitch 1.22 × 1.22 mm
Dot size 1.12 × 1.12 mm

Electronical Characteristics

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

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