Patent ID: 9666656
Date: 2017-05-30
CPC Classifications: G09G,H01L,H05B

Claim:
1. An organic EL display device comprising: a pixel layer including a first color pixel emitting blue light, a second color pixel emitting green light, and a third color pixel emitting red light; and a pixel circuit layer including a first color pixel circuit, a second color pixel circuit, and a third color pixel circuit, wherein the first color pixel has a first anode electrode, the second color pixel has a second anode electrode, the third color pixel has a third anode electrode, the first color pixel circuit includes a first capacitor, a first sampling transistor, and a first drive transistor configured to flow a drive current to the first color pixel, the second color pixel circuit includes a second capacitor, a second sampling transistor, and a second drive transistor configured to flow a drive current to the second color pixel, the third color pixel circuit includes a third capacitor, a third sampling transistor, and a third drive transistor configured to flow a drive current to the third color pixel, a size of the first anode electrode is greater than each of a size of the second anode electrode and a size of the third anode electrode, a portion of the first anode electrode overlaps with a portion of the first capacitor in a plan view, a portion of the second anode electrode overlaps with a portion of the second capacitor in the plan view, and a portion of the third anode electrode overlaps with a portion of the third capacitor in the plan view.