Method of manufacturing display apparatus including touch pattern unit

Patent metadata

Field	Value
Publication number	US-9401479-B2
Application number	US-201514590257-A
Country	US
Kind code	B2
Filing date	Jan 6, 2015
Priority date	Mar 6, 2014
Publication date	Jul 26, 2016
Grant date	Jul 26, 2016

Abstract

A method of manufacturing a display apparatus includes: joining a first thin-film glass substrate onto a first carrier substrate; providing a touch pattern unit on a surface of the first thin-film glass substrate, which is opposite to a surface facing the first carrier substrate; separating the first thin-film glass substrate from the first carrier substrate; turning over the first thin-film glass substrate and joining the turned over first thin-film glass substrate onto the first carrier substrate; joining a second thin-film glass substrate onto a second carrier substrate; providing a display unit between the surface of the first thin-film glass substrate opposite to the surface on which the touch pattern unit is provided and a surface of the second thin-film glass substrate, which is opposite to a surface facing the second carrier substrate; and removing the first carrier substrate and the second carrier substrate.

First claim

What is claimed is:

1. A method of manufacturing a display apparatus, the method comprising:
joining a first thin-film glass substrate onto a first carrier substrate;
providing a touch pattern unit for sensing a touch of a user on a surface of the first thin-film glass substrate, which is opposite to a surface of the first thin-film glass substrate facing the first carrier substrate;
separating the first thin-film glass substrate, on which the touch pattern unit is provided, from the first carrier substrate;
turning over the first thin-film glass substrate to allow the touch pattern unit to face the first carrier substrate, and joining the turned first thin-film glass substrate onto the first carrier substrate;
joining a second thin-film glass substrate onto a second carrier substrate;
providing a display unit for displaying an image between the surface of the first thin-film glass substrate opposite to the surface of the first thin-film glass substrate on which the touch pattern unit is provided and a surface of the second thin-film glass substrate, which is opposite to a surface of the second thin-film glass substrate facing the second carrier substrate; and
removing the first carrier substrate and the second carrier substrate.

2. The method of claim 1 , wherein
the joining the first thin-film glass substrate onto the first carrier substrate comprises:
providing a surface treatment layer having a hydrophobic property on one surface of the first carrier substrate by performing a surface treatment on the one surface of the first carrier substrate; and
arranging the first thin-film glass substrate to contact the surface treatment layer on the one surface of the first carrier substrate, and
the joining the second thin-film glass substrate onto the second carrier substrate comprises:
providing a surface treatment layer having a hydrophobic property on one surface of the second carrier substrate by performing a surface treatment on the one surface of the second carrier substrate; and
arranging the second thin-film glass substrate to contact the surface treatment layer on the one surface of the second carrier substrate.

3. The method of claim 2 , wherein
the providing the surface treatment layer on the one surface of the first carrier substrate comprises coating a solution including hexamethyldisilazane on the one surface of the first carrier substrate, and
the providing the surface treatment layer on the one surface of the second carrier substrate comprises coating a solution including hexamethyldisilazane on the one surface of the second carrier substrate.

4. The method of claim 2 , wherein
the providing the surface treatment layer on the one surface of the first carrier substrate comprises providing an inorganic layer on the one surface of the first carrier substrate, and controlling the surface roughness of the inorganic layer on the one surface of the first carrier substrate, and
the providing the surface treatment layer on the one surface of the second carrier substrate comprises providing an inorganic layer on the one surface of the second carrier substrate, and controlling the surface roughness of the inorganic layer on the one surface of the second carrier substrate.

5. The method of claim 1 , wherein the turning-over the first thin-film glass substrate to allow the touch pattern unit to face the first carrier substrate and the joining the turned over first thin-film glass substrate onto the first carrier substrate comprises:
providing a surface treatment layer having a hydrophobic property on one surface of the first carrier substrate by performing a surface treatment on the one surface of the first carrier substrate; and
arranging the first thin-film glass substrate to allow the touch pattern unit to contact the surface treatment layer.

6. The method of claim 5 , wherein the providing the surface treatment layer comprises coating a solution including hexamethyldisilazane on the one surface of the first carrier substrate.

7. The method of claim 5 , wherein the providing the surface treatment layer comprises providing an inorganic layer on the one surface of the first carrier substrate and controlling the surface roughness of the inorganic layer.

8. The method of claim 1 , wherein the providing the touch pattern unit which senses the touch of the user on the surface of the first thin-film glass substrate opposite to the surface thereof facing the first carrier substrate comprises providing a protective layer on a surface of the touch pattern unit, which is opposite to a surface thereof facing the first thin-film glass substrate.

9. The method of claim 8 , wherein the turning-over the first thin-film glass substrate to allow the touch pattern unit to face the first carrier substrate and the joining the turned over first thin-film glass substrate onto the first carrier substrate comprises arranging the first thin-film glass substrate to allow the protective layer of the touch pattern unit to face the first carrier substrate.

10. The method of claim 8 , wherein a surface of the protective layer, which is opposite to a surface thereof facing the first thin-film glass substrate, is a planar surface.

11. The method of claim 8 , wherein the protective layer comprises an organic material.

12. The method of claim 8 , wherein
the providing the touch pattern unit comprises providing a first conductive pattern, and a second conductive pattern which is spaced apart from the first conductive pattern, and
the protective layer is provided on the first conductive pattern and the second conductive pattern.

13. The method of claim 12 , wherein the providing the touch pattern unit comprises:
providing a plurality of first conductive patterns;
providing a second conductive pattern which is spaced from the first conductive patterns;
providing a bridge which connects the first conductive patterns to each; and
providing an insulating pattern between the second conductive pattern and the bridge.

14. The method of claim 1 , wherein the providing the display unit comprises providing a liquid crystal layer between the first thin-film glass substrate and the second thin-film glass substrate.

15. The method of claim 14 , wherein the providing the display unit comprises providing a color filter between the first thin-film glass substrate and the second thin-film glass substrate.

16. The method of claim 15 , wherein the providing the color filter comprises forming the color filter on the surface of the first thin-film glass substrate that is opposite to the surface thereof on which the touch pattern unit is formed.

17. The method of claim 14 , wherein the providing the display unit comprises providing a thin-film transistor, which is electrically connected to the liquid crystal layer, on the surface of the second thin-film glass substrate opposite to the surface thereof facing the second carrier substrate.

18. The method of claim 1 , wherein
the providing the display unit comprises providing an organic light-emitting device between the first thin-film glass substrate and the second thin-film glass substrate,
the organic light-emitting device comprises:
a first electrode;
a second electrode disposed opposite to the first electrode; and
an intermediate layer disposed between the first electrode and the second electrode and comprising an organic emission layer.

19. The method of claim 18 , wherein the providing the organic light-emitting device comprises providing the organic light-emitting device on the surface of the second t

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Jonghwan
• Kim Taehwan
• Lee Boram
• Kim Sangil
• Kim Jongseong

Classifications

• G02F1/1333

  Constructional arrangements; {Manufacturing methods}(G02F1/135, G02F1/136 take precedence) · CPC title

• G06F3/0412

  Digitisers structurally integrated in a display · CPC title

• H01L51/003

  Electricity · mapped topic

• H01L51/0024 Primary

  Electricity · mapped topic

• G06F3/044

  by capacitive means · CPC title