Method of manufacturing display device

Patent metadata

Field	Value
Publication number	US-9666752-B2
Application number	US-201514659968-A
Country	US
Kind code	B2
Filing date	Mar 17, 2015
Priority date	Nov 28, 2003
Publication date	May 30, 2017
Grant date	May 30, 2017

Abstract

To provide a method of manufacturing a display device having an excellent impact resistance property with high yield, in particular, a method of manufacturing a display device having an optical film that is formed using a plastic substrate. The method of manufacturing a display device includes the steps of: laminating a metal film, an oxide film, and an optical filter on a first substrate; separating the optical filter from the first substrate; attaching the optical filter to a second substrate; forming a layer including a pixel on a third substrate; and attaching the layer including the pixel to the optical filter.

First claim

What is claimed is:

1. A method of manufacturing a light emitting device, comprising steps of:
forming an optical filter over a first substrate;
forming a transistor and a light emitting element electrically connected to the transistor over a second substrate;
attaching the optical filter and the light emitting element using a first adhesive material;
separating the first substrate from the optical filter; and
separating the second substrate from the transistor.

2. The method according to claim 1 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed after separating the first substrate from the optical filter.

3. The method according to claim 1 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed before separating the second substrate from the transistor.

4. The method according to claim 1 , wherein the light emitting element emits white light.

5. The method according to claim 1 , wherein the optical filter is a color filter and the color filter comprises at least one of red, blue, and green colored layers.

6. The method according to claim 1 , wherein the optical filter is a color filter and the color filter further comprises a black matrix adjacent to the one of red, blue, and green colored layers.

7. A method of manufacturing a light emitting device, comprising steps of:
forming an optical filter over a first substrate;
forming a transistor and a light emitting element electrically connected to the transistor over a second substrate;
attaching the optical filter and the light emitting element using a first adhesive material;
separating the first substrate from the optical filter;
attaching a first flexible substrate to the optical filter using a second adhesive material after the step of separating the first substrate;
separating the second substrate from the transistor; and
attaching a second flexible substrate to the transistor using a third adhesive material after the step of separating the second substrate.

8. The method according to claim 7 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed after separating the first substrate from the optical filter.

9. The method according to claim 7 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed before separating the second substrate from the transistor.

10. The method according to claim 7 , wherein the first adhesive material comprise a first sealing material and a second sealing material and wherein the first sealing material is provided along a periphery of the first flexible substrate and surrounding the second sealing material.

11. The method according to claim 7 , wherein the first flexible substrate is a plastic substrate comprising polyimide.

12. The method according to claim 7 , wherein the light emitting element emits white light.

13. The method according to claim 7 , wherein the optical filter is a color filter and the color filter comprises at least one of red, blue, and green colored layers.

14. A method of manufacturing a light emitting device, comprising steps of:
forming a first oxide film over a first substrate;
forming an optical filter over the first oxide film;
forming a second oxide film over a second substrate;
forming a transistor and a light emitting element electrically connected to the transistor over the second oxide film;
attaching the optical filter and the light emitting element using a first adhesive material;
separating the first substrate from the first oxide film;
attaching a first flexible substrate to the first oxide film using a second adhesive material after the step of separating the first substrate;
separating the second substrate from the second oxide film; and
attaching a second flexible substrate to the second oxide film using a third adhesive material after the step of separating the second substrate.

15. The method according to claim 14 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed after separating the first substrate from the first oxide film.

16. The method according to claim 14 , wherein the step of attaching the optical filter and the light emitting element using the first adhesive material is performed before separating the second substrate from the second oxide film.

17. The method according to claim 14 , wherein the first oxide film and the second oxide film comprises silicon oxide.

18. The method according to claim 14 , wherein the first adhesive material comprise a first sealing material and a second sealing material and wherein the first sealing material is provided along a periphery of the first flexible substrate and surrounding the second sealing material.

19. The method according to claim 14 , wherein the first flexible substrate is a plastic substrate comprising polyimide.

20. The method according to claim 14 , wherein the light emitting element emits white light.

21. The method according to claim 14 , wherein the optical filter is a color filter and the color filter comprises at least one of red, blue, and green colored layers.

Assignees

• Semiconductor Energy Lab

Inventors

• Yamashita Akio
• Fukumoto Yumiko
• Goto Yuugo

Classifications

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title

• H10K59/871

  Self-supporting sealing arrangements · CPC title

• H10H20/01

  Manufacture or treatment · CPC title

• G02F1/133305 Primary

  Flexible substrates, e.g. plastics, organic film · CPC title

• H01L27/15

  Electricity · mapped topic