Patent ID: 8629889

Claim:
A display device comprising: a display unit comprising a plurality of scan lines for transmitting a plurality of scan signals, a plurality of data lines for transmitting a plurality of data signals, a plurality of light emitting signal lines for transmitting a plurality of light emitting signals, and a plurality of pixels coupled to the plurality of scan lines, the plurality of data lines, and the plurality of light emitting signal lines; and a light emission driver for receiving a partial driving selection signal for selecting one of a normal driving mode or a partial driving mode, an area selection signal for dividing a frame into an emission period and a non-emission period, a synchronization signal generated in synchronization with a vertical synchronization signal, a first light emitting clock signal, and a second light emitting clock signal having a phase difference from the first light emitting clock signal, the light emission driver being configured to output the plurality of light emitting signals, wherein the plurality of light emitting signal lines comprises a plurality of first light emitting signal lines for defining a non-display area of the display unit and a plurality of second light emitting signal lines for defining a display area of the display unit, wherein the non-display area and display area are fixed, wherein the light emission driver comprises: a plurality of normal drivers respectively coupled to the plurality of first light emitting signal lines, for outputting a plurality of first light emitting signals among the plurality of light emitting signals at an on voltage level under the normal driving mode, and for outputting the plurality of first light emitting signals at an off voltage level under the partial driving mode; and a plurality of partial drivers respectively coupled to the plurality of second light emitting signal lines, for outputting a plurality of second light emitting signals among the plurality of light emitting signals at the on voltage level according to the area selection signal under the partial driving mode, and wherein the plurality of partial drivers comprises: a first partial driver for receiving the first light emitting clock signal, the second light emitting clock signal, the area selection signal, an inverted area selection signal in which the area selection signal is inverted, the partial driving selection signal, and a third shift signal, and for generating a third light emitting signal of the plurality of light emitting signals at a second power source voltage according to the area selection signal when the partial driving selection signal is at a second level; and a second partial driver for receiving the first light emitting clock signal, the second light emitting clock signal, the area selection signal, the inverted area selection signal, and a fourth shift signal, and for generating a fourth light emitting signal of the plurality of light emitting signals at the second power source voltage according to the area selection signal.