IP Library Granted Patent US 10,872,947
Granted Patent B2
US 10,872,947 · App. 16/856,139 · Granted Dec 22, 2020

Display device and method for manufacturing the same

Inventors: Shunpei Yamazaki (Setagaya, JP); Masakatsu Ohno (Utsunomiya, JP); Hiroki Adachi (Tochigi, JP); Satoru Idojiri (Tochigi, JP); Koichi Takeshima (Sano, JP)
Assignee: Semiconductor Energy Laboratory Co., Ltd.
H01L27/3272B23K26/04B23K26/0617B23K26/0622B23K26/0643B23K26/0648B23K26/083H01L27/1225H01L27/1266H01L27/322H01L27/3258H01L27/3262H01L29/24H01L29/66969H01L29/7869H01L29/78603H01L51/003H01L51/0024H01L51/0027H01L51/0097H01L51/5246H01L51/5253H01L51/56H01L27/3244H01L41/314H01L51/5096H01L51/5284H01L2227/323H01L2227/326H01L2251/5338H01L2251/558Y02E10/549Y02P70/50
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Quick Facts
Patent No.
US 10,872,947
App. No.
16/856,139
Granted
Dec 22, 2020
Kind
B2
Abstract

A first organic resin layer is formed over a first substrate; a first insulating film is formed over the first organic resin layer; a first element layer is formed over the first insulating film; a second organic resin layer is formed over a second substrate; a second insulating film is formed over the second organic resin layer; a second element layer is formed over the second insulating film; the first substrate and the second substrate are bonded; a first separation step in which adhesion between the first organic resin layer and the first substrate is reduced; the first organic resin layer and a first flexible substrate are bonded with a first bonding layer; a second separation step in which adhesion between the second organic resin layer and the second substrate is reduced; and the second organic resin layer and a second flexible substrate are bonded with a second bonding layer.

Claims (30)

1. A linear beam irradiation apparatus for peeling an element layer provided over an upper surface side of a substrate from the substrate, the linear beam irradiation apparatus comprising:

a laser device outputting a laser light;

an optical system extending the laser light;

a mirror reflecting the laser light; and

a lens forming a linear beam by condensing the laser light,

wherein the substrate and the element layer are configured to be moved below the lens while a lower surface side of the substrate is faced upward.

2. The linear beam irradiation apparatus according to claim 1 , wherein the substrate and the element layer are configured to be moved so that an entire part or a necessary part of the substrate is irradiated with the linear beam.

3. The linear beam irradiation apparatus according to claim 1 , wherein the substrate and the element layer are configured to be moved in parallel with a short axis direction of the linear beam.

4. The linear beam irradiation apparatus according to claim 1 , wherein the linear beam is equal or longer than one side of the substrate.

5. The linear beam irradiation apparatus according to claim 1 , wherein a wavelength of the laser light is 308 nm or longer.

6. A linear beam irradiation apparatus for peeling an element layer provided over an upper surface side of a substrate from the substrate, the linear beam irradiation apparatus comprising:

a laser device including a plurality of laser oscillators;

an optical system synthesizing a laser light output from each of the plurality of laser oscillators and extending the laser light;

a mirror reflecting the laser light; and

a lens forming a linear beam by condensing the laser light,

wherein the substrate and the element layer are configured to be moved below the lens while a lower surface side of the substrate is faced upward.

7. The linear beam irradiation apparatus according to claim 6 , wherein the substrate and the element layer are configured to be moved so that an entire part or a necessary part of the substrate is irradiated with the linear beam.

8. The linear beam irradiation apparatus according to claim 6 , wherein the substrate and the element layer are configured to be moved in parallel with a short axis direction of the linear beam.

9. The linear beam irradiation apparatus according to claim 6 , wherein the linear beam is equal or longer than one side of the substrate.

10. The linear beam irradiation apparatus according to claim 6 , wherein a wavelength of the laser light is 308 nm or longer.

11. A linear beam irradiation apparatus for peeling an element layer provided over an upper surface side of a substrate from the substrate, the linear beam irradiation apparatus comprising:

a laser device outputting a laser light;

an optical system extending the laser light;

a mirror reflecting the laser light; and

a lens forming a linear beam by condensing the laser light,

wherein the substrate and the element layer are configured to be moved below the lens while a lower surface side of the substrate is faced upward and the substrate is kept flat.

12. The linear beam irradiation apparatus according to claim 11 , wherein the substrate and the element layer are configured to be moved so that an entire part or a necessary part of the substrate is irradiated with the linear beam.

13. The linear beam irradiation apparatus according to claim 11 , wherein the substrate and the element layer are configured to be moved in parallel with a short axis direction of the linear beam.

14. The linear beam irradiation apparatus according to claim 11 , wherein the linear beam is equal or longer than one side of the substrate.

15. The linear beam irradiation apparatus according to claim 11 , wherein a wavelength of the laser light is 308 nm or longer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 3, 2020
From: YAMAZAKI, SHUNPEI; OHNO, MASAKATSU; ADACHI, HIROKI; IDOJIRI, SATORU; TAKESHIMA, KOICHI
To: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Reel/Frame 052828/0465 →
Priority Claims (4)
JP 2013-249631 · Dec 2, 2013 · national
JP 2013-256872 · Dec 12, 2013 · national
JP 2013-272176 · Dec 27, 2013 · national
JP 2014-047348 · Mar 11, 2014 · national
Continuity (6)
Continuation 16204102 · Nov 29, 2018
Continuation 15894117 · Feb 12, 2018
Continuation 15416166 · Jan 26, 2017
Continuation 15145246 · May 3, 2016
Continuation 14553251 · Nov 25, 2014
Related Publication 20200251547A1 · Aug 6, 2020
Cited By (1)
US 12,464,906