US 9,871,090 B2Granted

Organic light emitting display

AssigneeSamsung Display Co., Ltd.

InventorsSeho Lee, Taehyung Kim, Je-hyun Song

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Abstract

An organic light emitting display includes a driving transistor, an organic light emitting diode, an interlayer insulating layer, and a connection electrode. The interlayer insulating layer covers the driving transistor, and first and second via holes are formed in the interlayer insulating layer. The organic light emitting diode is on the interlayer insulating layer and connected to the driving transistor. The connection electrode is on the interlayer insulating layer and connected to an auxiliary line through the second via hole. The connection electrode surrounds a portion of the interlayer insulating layer together with the auxiliary line. The organic light emitting diode includes an anode connected to the driving transistor through the first via hole, an organic light emitting layer on the anode, and a cathode on the organic light emitting layer and connected to the auxiliary line through the connection electrode.

Claims19

Dependent claims

An organic light emitting display, comprising:

a first base substrate including a light emission area and a non-light emission area;
a driving transistor on the first base substrate;
an interlayer insulating layer covering the driving transistor, and a first via hole and a second via hole defined in the interlayer insulating layer;
an organic light emitting diode on the interlayer insulating layer and connected to the driving transistor, the organic light emitting diode at a location corresponding to the light emission area;
an auxiliary line in the non-light emission area;
and
a connection electrode on the interlayer insulating layer and connected to the auxiliary line through the second via hole, the connection electrode surrounding a portion of the interlayer insulating layer corresponding to the non-light emission area together with the auxiliary line, wherein a portion of the interlayer insulating layer is within a closed space defined by the connection electrode and the auxiliary line, and wherein the organic light emitting diode includes an anode connected to the driving transistor through the first via hole, an organic light emitting layer on the anode, and a cathode on the organic light emitting layer and connected to the auxiliary line through the connection electrode.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/180,109Filed 13 Jun 2016
Priority: KR 10-2015-014413815 Oct 2015
Published: US 2017/0110530 A120 Apr 2017
Granted: 16 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

H10K 59/123
Active-matrix OLED [AMOLED] displays: connection of the pixel electrodes to the thin film transistors [TFT]
H10K 59/124
Active-matrix OLED [AMOLED] displays: insulating layers formed between TFT elements and OLED elements
H10K 59/1275
Comprising two substrates, e.g. display comprising OLED array and TFT driving circuitry on different substrates: electrical connections of the two…
H10K 59/131
Active-matrix OLED [AMOLED] displays: interconnections, e.g. wiring lines or terminals