Electronic apparatus and method for manufacturing the same

Patent metadata

Field	Value
Publication number	US-10969889-B2
Application number	US-201916559540-A
Country	US
Kind code	B2
Filing date	Sep 3, 2019
Priority date	Sep 3, 2018
Publication date	Apr 6, 2021
Grant date	Apr 6, 2021

Abstract

Provided is an electronic apparatus. The electronic apparatus includes a base substrate which includes a front surface and a rear surface facing each other, and in which a module hole passing through the front and rear surfaces is defined, a thin film transistor disposed on the base substrate, a light emitting device including a first electrode connected to the thin film transistor, a second electrode disposed on the first electrode, and a light emitting pattern disposed between the first electrode and the second electrode, an encapsulation layer which covers the light emitting device, an input sensing unit disposed on the base substrate and including a plurality of first conductive patterns and second conductive patterns disposed on the first conductive patterns, and an insulation layer disposed between the first conductive patterns and the second conductive patterns. The encapsulation layer is disposed between the first conductive patterns and the second conductive patterns.

First claim

What is claimed is:

1. An electronic apparatus comprising:
a base substrate which comprises a front surface and a rear surface facing each other, and in which a module hole passing through the front and rear surfaces is defined;
a thin film transistor disposed on the base substrate;
a light emitting device comprising a first electrode connected to the thin film transistor, a second electrode disposed on the first electrode, and a light emitting pattern disposed between the first electrode and the second electrode;
an encapsulation layer comprising a first organic layer and covering the light emitting device;
an input sensing unit disposed on the base substrate and comprising a plurality of first conductive patterns and a plurality of second conductive patterns that is disposed on the plurality of first conductive patterns; and
an insulation layer disposed between the plurality of first conductive patterns and the plurality of second conductive patterns,
wherein the plurality of first conductive patterns of the input sensing unit is disposed below the first organic layer of the encapsulation layer and the plurality of second conductive patterns of the input sensing unit is disposed above the first organic layer of the encapsulation layer in a thickness direction of the electronic apparatus.

2. The electronic apparatus of claim 1 , wherein the plurality of second conductive patterns comprises:
a first sensing electrode extending in a first direction; and
a second sensing electrode extending in a second direction crossing the first direction to generate capacitance together with the first sensing electrode.

3. The electronic apparatus of claim 2 , wherein at least a portion of the first plurality of conductive patterns is connected to at least a portion of the plurality of second conductive patterns through a contact hole passing through the encapsulation layer.

4. The electronic apparatus of claim 3 , wherein the plurality of first conductive patterns overlap the second electrode on a plane, and
the contact hole passes through the second electrode.

5. The electronic apparatus of claim 3 , further comprising an inner insulation layer that covers a side surface of the contact hole,
wherein the second electrode and the second plurality of conductive patterns are electrically connected to each other by the inner insulation layer.

6. The electronic apparatus of claim 1 , wherein each of the first electrode, the light emitting pattern, and the second electrode is provided in plurality, and
the second electrodes are disposed to overlap the light emitting patterns, respectively.

7. The electronic apparatus of claim 6 , wherein the plurality of first conductive patterns are spaced apart from the second electrodes on the plane.

8. The electronic apparatus of claim 6 , further comprising an auxiliary electrode adjacent to the first electrodes,
wherein the second electrodes are connected to the auxiliary electrode.

9. The electronic apparatus of claim 6 , wherein the plurality of first conductive patterns and the plurality of second conductive patterns are spaced apart from each other on the plane.

10. The electronic apparatus of claim 1 , wherein the insulation layer comprises a second organic layer disposed between the first electrode and the second electrode, and
the second organic layer entirely covers the plurality of first conductive patterns.

11. The electronic apparatus of claim 10 , wherein the insulation layer further comprises a plurality of insulation patterns that respectively cover the plurality of first conductive patterns, and
the second organic layer covers the plurality of insulation patterns.

12. The electronic apparatus of claim 11 , wherein the plurality of insulation patterns covers top and side surfaces of each of the plurality of first conductive patterns, respectively.

13. The electronic apparatus of claim 1 , wherein the encapsulation layer further comprises a first inorganic layer and a second inorganic layer disposed on the first inorganic layer, the first organic layer being disposed between the first inorganic layer and the second inorganic layer, and
the module hole passes through the first inorganic layer, the first organic layer, and the second inorganic layer.

14. The electronic apparatus of claim 13 , further comprising a groove part defined along an edge of the module hole and recessed from the front surface of the base substrate,
wherein the first inorganic layer and the second inorganic layer cover a side surface of the groove part.

15. The electronic apparatus of claim 14 , further comprising an organic pattern disposed in the groove part,
wherein the organic pattern is covered by the first inorganic layer and the second inorganic layer.

16. The electronic apparatus of claim 15 , wherein the organic pattern comprises a same material as at least one of the insulation layer and the second electrode.

17. A method for manufacturing an electronic apparatus, the method comprising:
forming a thin film transistor on a base substrate comprising a hole area and an active area adjacent to the hole area;
forming a first electrode connected to the thin film transistor on the active area;
forming an insulation layer in which an opening exposing at least a portion of the first electrode is defined;
forming a first mask layer comprising an opening exposing at least a portion of the hole area of the base substrate;
forming a recess part in the base substrate through the opening of the first mask layer;
patterning the first mask layer to form a plurality of first conductive patterns, which are spaced apart from the opening;
forming a light emitting pattern in the opening;
forming an organic layer overlapping the light emitting pattern and the first conductive pattern on a plane;
forming a second electrode on the organic layer;
forming an encapsulation layer on the second electrode; and
forming a plurality of second conductive patterns on the encapsulation layer.

18. The method of claim 17 , further comprising:
forming a plurality of contact holes passing through the encapsulation layer and the second electrode; and
forming an inner insulation layer covering inner surfaces of the contact holes and exposing top surfaces of at least a portion of the first conductive patterns,
wherein at least a portion of the second conductive patterns contacts top surfaces of the first conductive patterns exposed through the contact holes.

19. The method of claim 17 , wherein the light emitting pattern is provided in plurality, and
the forming of the second electrode further comprises forming a plurality of patterns respectively overlapping the light emitting patterns.

20. The method of claim 17 , wherein the base substrate comprises a base layer and an auxiliary layer covering a front surface of the base layer, and
the recess part passes through the auxiliary layer and is recessed from the front surface of the base layer.

Assignees

• Samsung Display Co Ltd

Inventors

• Jeong Yu-Gwang
• Kim Sanggab
• Bae Subin
• Cho Sungwon

Classifications

• H10K59/8731

  multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers · CPC title

• Y02P70/50

  Manufacturing or production processes characterised by the final manufactured product · CPC title

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F3/044 Primary

  by capacitive means · CPC title