Patent ID: 6518941
Filing Date: 2003-02-11
Classification: G09G

Abstract:
A display device, comprising:a shift register; a plurality of digital signal supply lines; a plurality of scanning lines; a plurality of signal-line sets, each of the plurality of signal-line sets comprising a plurality of bit signal lines, the number of the bit signal lines being the same as that of the plurality of digital signal supply lines; a plurality of transmission-switch sets, each transmission-switch set of the plurality of transmission switch sets comprising a plurality of transmission switches, the plurality of transmission switches being controlled together by one pulse of the shift register, each of the plurality of transmission switches controlling transmission of signals from one digital signal supply line of the plurality of digital signal supply lines to one bit signal line of the plurality of bit signal lines corresponding to the one digital signal supply line; and a plurality of pixels, each of the plurality of pixels comprising: a plurality of current transistors; a plurality of luminescent elements, each of the plurality of luminescent elements being connected with one of the plurality of current transistors in series, the plurality of luminescent elements having different areas so that the luminous intensities of the respective luminescent elements within each of the pixels are different; a plurality of switching transistors, the plurality of switching transistors being controlled by one of the plurality of scanning lines, and at least one of a source and a drain of each of the plurality of switching transistors being connected to corresponding bit signal lines of the plurality of bit signal lines; and a plurality of retention capacitors, each of the plurality of retention capacitors receiving signals through a corresponding switching transistor of the plurality of switching transistors and a corresponding bit signal line of the plurality of bit signal lines.