Organic light emitting diode display
AssigneeSamsung Display Co., Ltd.
InventorsSe-Ho Kim, Jin-Woo Park, Won-Se Lee
Life of this patent
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Abstract
An organic light emitting diode display includes a substrate, a scan line on the substrate for transferring a scan signal, a data line crossing the scan line and for transferring a data signal, a driving voltage line crossing the scan line and for transferring a driving voltage, a switching thin film transistor coupled to the scan line and the data line, a driving thin film transistor coupled to a switching drain electrode of the switching thin film transistor, and an organic light emitting diode (OLED) coupled to a driving drain electrode of the driving thin film transistor, wherein a driving semiconductor layer of the driving thin film transistor is bent and in a plane substantially parallel to the substrate.
Claims32
An organic light emitting diode display comprising:
- a substrate;
- a scanning line on the substrate;
- a data line;
- a first thin film transistor coupled to the scanning line and the data line;
- a first voltage line;
- an organic light emitting diode;
- a second thin film transistor utilizing a semiconductor layer, and electrically coupled to the first voltage line, the organic light emitting diode, and the first thin film transistor;
- a third thin film transistor electrically coupled to the second thin film transistor;
- an insulating layer covering the second thin film transistor;
- and
- a storage capacitor electrically coupled to a gate electrode of the second thin film transistor,
- wherein the storage capacitor comprises a first capacitor plate comprising a portion of the gate electrode of the second thin film transistor, a second capacitor plate over the first capacitor plate, and a portion of the insulating layer between the first capacitor plate and the second capacitor plate, and
- wherein the semiconductor layer is extended to the third thin film transistor.
An organic light emitting diode display comprising:
- a substrate;
- a scanning line on the substrate;
- a data line;
- a first thin film transistor coupled to the scanning line and the data line;
- a first voltage line;
- an organic light emitting diode;
- a second thin film transistor utilizing a semiconductor layer, and electrically coupled to the first voltage line, the organic light emitting diode, and the first thin film transistor;
- a second voltage line;
- a third thin film transistor electrically coupled to the second thin film transistor, the second voltage line, the organic light emitting diode, and the scanning line;
- a fourth thin film transistor electrically coupled to the third thin film transistor, the second thin film transistor, the second voltage line, and the organic light emitting diode;
- and
- a storage capacitor electrically coupled to a gate electrode of the second thin film transistor.
Dependencies are inferred from the claim text.