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US 2020/0052061 A1Published application
Organic light emitting diode display
AssigneeSamsung Display Co., Ltd.
InventorsSe-Ho Kim, Jin-Woo Park, Won-Se Lee
Life of this patent
Estimating the term…
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.
Claims44
An organic light emitting diode display comprising:
- a substrate;
- a first scan line and a data line on the substrate;
- a first thin film transistor coupled to the first scan line and the data line;
- a first voltage line;
- a second voltage line;
- an organic light emitting diode;
- a second thin film transistor utilizing a semiconductor layer, the second thin film transistor being 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 first voltage line, the second thin film transistor, and the first scan line;
- an insulating layer covering the second thin film transistor;
- a storage capacitor comprising:
- a first capacitor plate comprising a portion of a 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
- a connection member,
- wherein the insulating layer has a first contact opening and a second contact opening, the first contact opening exposing the first capacitor plate and being offset from the second capacitor plate, the second contact opening exposing a portion of a drain electrode of the third thin film transistor;
- and
- wherein the connection member is electrically coupled to the third thin film transistor and the first capacitor plate through the first contact opening and the second contact opening.
16 more elements
An organic light emitting diode display comprising:
- a substrate;
- a first voltage line and a second voltage line on the substrate;
- a first scan line and a second scan line on the substrate arranged in order in a plane view;
- a data line crossing the first scan line and the second scan line;
- a first thin film transistor coupled to the first scan line and the data line and overlapping the second scan line;
- a second thin film transistor electrically coupled to the first thin film transistor;
- an organic light emitting diode electrically coupled to the first voltage line and a drain electrode of the second thin film transistor;
- a third thin film transistor electrically coupled to the organic light emitting diode and the second thin film transistor, the third thin film transistor being electrically coupled to and located around the second scan line;
- a fourth thin film transistor electrically coupled to the drain electrode of the second thin film transistor and the third thin film transistor, the fourth thin film transistor overlapping the first scan line;
- and
- a storage capacitor electrically coupled to a gate electrode of the second thin film transistor and at an opposite side of the first scan line as the second scan line.
8 more elements
An organic light emitting diode display comprising:
- a substrate;
- a first voltage line and a second voltage line on the substrate;
- a first scan line and a second scan line on the substrate arranged in order in a plane view;
- a data line crossing the first scan line and the second scan line;
- a first thin film transistor coupled to the first scan line and the data line and overlapping the second scan line;
- a second thin film transistor electrically coupled to the first thin film transistor;
- an organic light emitting diode electrically coupled to the first voltage line and a drain electrode of the second thin film transistor;
- a third thin film transistor electrically coupled to the organic light emitting diode and the second thin film transistor, the third thin film transistor being electrically coupled to and overlapping the second scan line;
- a fourth thin film transistor electrically coupled to the drain electrode of the second thin film transistor and the third thin film transistor, the fourth thin film transistor being located around the first scan line;
- a storage capacitor electrically coupled to the second thin film transistor;
- and
- a fifth thin film transistor electrically coupled to the second voltage line and a drain electrode of the fourth thin film transistor.
9 more elements
An organic light emitting diode display comprising:
- a substrate;
- a first voltage line and a second voltage line on the substrate;
- a first scan line and a second scan line on the substrate;
- a data line crossing the first scan line and the second scan line;
- a first thin film transistor coupled to the first scan line and the data line and overlapping the second scan line;
- a second thin film transistor electrically coupled to the first thin film transistor;
- an organic light emitting diode electrically coupled to the first voltage line and a drain electrode of the second thin film transistor;
- a third thin film transistor electrically coupled to the organic light emitting diode and the second thin film transistor, the third thin film transistor being electrically coupled to and located around the second scan line;
- a fourth thin film transistor electrically coupled to the drain electrode of the second thin film transistor and the third thin film transistor, the fourth thin film transistor being located around the first scan line;
- an insulating layer covering the second thin film transistor;
- and
- a storage capacitor electrically coupled to the second thin film transistor, the storage capacitor comprising:
- a first capacitor plate comprising a portion of a gate electrode of the second thin film transistor;
- a second capacitor plate formed over the first capacitor plate;
- and
- a portion of the insulating layer between the first capacitor plate and the second capacitor plate.
13 more elements
Dependencies are inferred from the claim text.