Organic light-emitting display apparatus and method of manufacturing the same

Patent metadata

Field	Value
Publication number	US-2016307990-A1
Application number	US-201615078795-A
Country	US
Kind code	A1
Filing date	Mar 23, 2016
Priority date	Apr 14, 2015
Publication date	Oct 20, 2016
Grant date	—

Abstract

An organic light-emitting display apparatus includes a substrate including a display area and a non-display area disposed on one side of the display area, a line unit including a plurality of lines extending in one direction and disposed on the substrate in the non-display area, an insulating film disposed on the line unit and exposing one end of the line unit, and a metal layer disposed between the line unit and the insulating film.

First claim

What is claimed is:

1 . An organic light-emitting display apparatus, comprising:
a substrate comprising a display area and a non-display area; a line unit comprising a plurality of lines and disposed on the substrate in the non-display area; an insulating film disposed on the line unit and exposing one end of the line unit; and a metal layer disposed between the line unit and the insulating film.

2 . The organic light-emitting display apparatus of claim 1 , wherein the metal layer is disposed on each of the plurality of lines in an island shape.

3 . The organic light-emitting display apparatus of claim 1 , further comprising:
a first pad unit disposed on the line unit and a second pad unit disposed on the line unit.

4 . The organic light-emitting display apparatus of claim 3 , wherein the first pad unit is electrically connected to a driving circuit chip, and the second pad unit is electrically connected to a flexible printed circuit board.

5 . The organic light-emitting display apparatus of claim 1 , wherein the insulating film comprises organic insulating material.

6 . The organic light-emitting display apparatus of claim 1 , further comprising:
a thin film transistor disposed on the substrate in the display area; and a pixel electrode electrically connected to the thin film transistor, wherein the metal layer and the pixel electrode comprise same material.

7 . The organic light-emitting display apparatus of claim 6 , further comprising:
a pixel-defining layer covering the pixel electrode and exposing a center portion of the pixel electrode, wherein the insulating film and the pixel-defining layer comprise same material.

8 . An organic light-emitting display apparatus, comprising:
a substrate comprising a display area, a non-display area, a pad area formed in a center portion of the non-display area, and a fan-out area disposed in the non-display area, wherein the pad area is disposed between the display area and the fan-out area; a line unit comprising a plurality of lines disposed on the substrate in the fan-out area; a first insulating film disposed in a portion of the non-display area that excludes the fan-out area and the pad area; and a second insulating film disposed on the line unit and exposing one end of the line unit.

9 . The organic light-emitting display apparatus of claim 8 , further comprising:
a metal layer disposed between the line unit and the second insulating film.

10 . The organic light-emitting display apparatus of claim 9 , wherein the metal layer is disposed on each of the plurality of lines in an island shape.

11 . The organic light-emitting display apparatus of claim 9 , further comprising:
a thin film transistor disposed on the substrate in the display area; and a pixel electrode electrically connected to the thin film transistor, wherein the metal layer and the pixel electrode comprise same material.

12 . The organic light-emitting display apparatus of claim 11 , further comprising:
a pixel-defining layer covering the pixel electrode and exposing a center portion of the pixel electrode, wherein the second insulating film and the pixel-defining layer comprise same material.

13 . The organic light-emitting display apparatus of claim 11 , further comprising:
a planarization layer disposed between the thin film transistor and the pixel electrode, wherein the first insulating film and the planarization layer comprise same material.

14 . The organic light-emitting display apparatus of claim 11 , wherein the thin film transistor comprises a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, and the line unit and the drain electrode or the source electrode comprise same material.

15 . The organic light-emitting display apparatus of claim 8 , further comprising:
a first pad unit disposed on the one end of the line unit and a second pad unit disposed on another end of the line unit.

16 . The organic light-emitting display apparatus of claim 15 , wherein the first pad unit is electrically connected to a driving circuit chip, and the second pad unit is electrically connected to a flexible printed circuit board.

17 . The organic light-emitting display apparatus of claim 8 , wherein the first and second insulating films comprise an organic insulating material.

18 . A method of manufacturing an organic light-emitting display apparatus, comprising:
forming a plurality of lines on a substrate in a fan-out area of the substrate, wherein the substrate comprises a display area, a non-display area, the fan-out area disposed in the non-display area, a pad area formed in a center portion of the non-display area and disposed between the display area and the fan-out area, and a surrounding area disposed in a portion of the non-display area that excludes the pad area and the fan-out area; forming a first insulating film on the substrate in the surrounding area, wherein the plurality of lines formed in the fan-out area is exposed from the first insulating layer; forming a metal layer on each of the plurality of lines; and forming a second insulating film on the metal layer, wherein the second insulating film covers the plurality of lines and exposes one end of each of the plurality of lines in the pad area.

19 . The method of claim 18 , wherein forming the first insulating film comprises:
coating a first insulating material layer on the substrate; and removing the first insulating material layer formed in the pad area and the fan-out area.

20 . The method of claim 18 , wherein forming the metal layer comprises:
forming the metal layer on each of the plurality of lines in an island shape.

21 . The method of claim 18 , wherein forming the second insulating film comprises:
coating a second insulating material layer on the substrate covering the metal layer, the plurality of lines, and the first insulating film; and removing the second insulating material layer formed in the pad area and the surrounding area.

22 . The method of claim 18 , further comprising:
forming a thin film transistor in the display area; and forming a pixel electrode electrically connected to the thin film transistor, wherein forming the metal layer is performed at substantially a same time as forming the pixel electrode.

23 . The method of claim 22 , further comprising:
forming a pixel-defining layer covering the pixel electrode and exposing a center portion of the pixel electrode, wherein forming the second insulating film is performed at substantially a same time as forming the pixel-defining layer.

24 . The method of claim 22 , further comprising:
forming a planarization layer subsequent to forming the thin film transistor and prior to forming the pixel electrode, wherein forming the first insulating film is performed at substantially a same time as forming the planarization layer.

25 . The method of claim 22 , wherein forming the thin film transistor comprises:
forming a semiconductor layer; forming a gate electrode; and forming a source electrode and a drain electrode electrically connected to the semiconductor layer, wherein forming the plurality of lines is performed at substantially a same time as forming the source electrode or the drain electrode.

26 . The method of claim 18 , further comprising:
connecting the one end of each of the plurality of lines to

Assignees

• Samsung Display Co Ltd

Inventors

• Kwon Sunja
• Lee Jieun

Classifications

• H10D84/01

  Manufacture or treatment · CPC title

• H10K59/805

  Electrodes · CPC title

• H10K59/1315

  comprising structures specially adapted for lowering the resistance · CPC title

• H10D86/481 Primary

  integrated with passive devices, e.g. auxiliary capacitors · CPC title

• H10D86/451

  characterised by the compositions or shapes of the interlayer dielectrics · CPC title