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US RE50,265 E1Granted
Organic light emitting diode display
AssigneeSamsung Display Co., Ltd.
InventorDong-Seop Park
Life of this patent
Estimating the term…
Abstract
There is provided an organic light emitting diode display including: a substrate having a pixel area and a surrounding area enclosing the pixel area; an OLED formed in the pixel area; an anti-overflowing groove formed in the surrounding area of the substrate; and a dam positioned between the anti-overflowing groove and an end of the substrate.
Claims33
An OLED display, comprising:
- a substrate having a pixel area and a surrounding area enclosing the pixel area;
- an OLED formed in the pixel area;
- an anti-overflowing groove formed in the surrounding area of the substrate;
- and
- a dam positioned between the anti-overflowing groove and an end of the substrate,
- a semiconductor formed in the pixel area;
- a gate insulating layer formed on the semiconductor and the substrate;
- a gate electrode formed on the gate insulating layer;
- a first interlayer insulating layer formed on the gate electrode and the gate insulating layer;
- a source electrode and a drain electrode formed on the first interlayer insulating layer;
- a second interlayer insulating layer formed on the source electrode and a drain electrode;
- and
- a pixel defined layer having an opening which is formed on the second interlayer insulating layer and exposes the first electrode,
- wherein the anti-overflowing groove is formed through the first interlayer insulating layer and exposes the gate insulating layer,
- wherein the OLED includes:
- a first electrode formed on the second interlayer insulating layer;
- an organic light emitting layer formed on the first electrode, and a second electrode formed on the organic emission layer,
- and wherein the dam includes a lower layer made of the same material as the second interlayer insulating layer and an upper layer positioned on the lower layer and made of the same material as the pixel defined layer.
15 more elements
An OLED display, comprising:
- a flexible substrate having a pixel area;
- a semiconductor layer formed in the pixel area and disposed on the flexible substrate;
- a gate insulating layer disposed on the semiconductor and the flexible substrate;
- a gate electrode disposed on the gate insulating layer;
- a first interlayer insulating layer disposed on the gate electrode and the gate insulating layer;
- a first electrode and a second electrode disposed on the first interlayer insulating layer;
- a second interlayer insulating layer disposed on the first electrode and the second electrode;
- a first emission electrode electrically connected to the second electrode on the second interlayer insulating layer;
- a pixel defined layer having an opening and disposed on the second interlayer insulating layer exposing the first electrode;
- an organic emission layer disposed on the first emission electrode;
- a second emission electrode disposed on the organic emission layer;
- a first inorganic insulating layer disposed over the second emission electrode;
- an organic insulating layer disposed over the first inorganic insulating layer;
- a first dam comprised of a pattern of the pixel defined layer disposed along an edge of the flexible substrate;
- and
- a first groove disposed through the first interlayer insulating layer between the first dam and the edge of the flexible substrate;
- wherein the first inorganic insulating layer does not cover over the first groove,
- wherein the organic insulating layer does not cover over the first dam.
15 more elements
Dependencies are inferred from the claim text.