An icon organic light emitting diode (OLED) display with high uniformity and increased brightness has a driving module, an OLED display module and multiple power control modules. The driving module is connected to the power control modules. The power control modules generate multiple direct current (DC) powers. The OLED display module has multiple OLED units having multiple non-identical shapes and sizes. Each OLED unit is driven by one DC power based on the shape and size of the OLED unit. The OLED units with different sizes and shapes are driven respectively by proper DC powers, thus increased brightness and high uniformity of the OLED display is achieved.