DISPLAY DEVICE

A display device includes a scan write line for receiving a scan write signal, a first driving voltage line for receiving a first driving voltage, a first data line for receiving first data voltages, a second data line for receiving second data voltages, and a sub-pixel connected to the scan write line, the first data line, the second data line, and the first driving voltage line, wherein the sub-pixel includes a light emitting element connected to the first driving voltage line, a constant current generator configured to apply a driving current to the light emitting element according to a first data voltage among the first data voltages of the first data line, and a light emission period controller configured to control a light emission period of the light emitting element according to a second data voltage among the second data voltages of the second data line. 一种显示装置包括：用于接收扫描写信号的扫描写线；用于接收第一驱动电压的第一驱动电压线；用于接收第一数据电压的第一数据线；用于接收第二数据电压的第二数据线；以及连接到扫描写线、第一数据线、第二数据线和第一驱动电压线的子像素，其中子像素包括：连接到第一驱动电压线的发光元件；恒定电流发生器，被配置为根