IP Library Granted Patent US 9,257,650
Granted Patent B2
US 9,257,650 · App. 14/660,118 · Granted Feb 9, 2016

Method for producing display device

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Quick Facts
Patent No.
US 9,257,650
App. No.
14/660,118
Granted
Feb 9, 2016
Kind
B2
Abstract

A method for producing a display device includes forming a resin film on a substrate, forming a plurality of light emitting elements above the resin film, forming a plurality of first grooves in a surface of the resin film, the plurality of first grooves enclosing the plurality of light emitting elements individually in a multiple-fold manner, cutting the substrate at a position overlapping any one of the plurality of first grooves other than the first groove closest to one of the plurality of light emitting elements, and peeling off the substrate from the resin layer.

Claims (14)

1. A method for producing a display device, comprising:

forming a resin film on a substrate;

forming a plurality of light emitting elements above the resin film;

forming a plurality of first grooves in a surface of the resin film, the plurality of first grooves enclosing the plurality of light emitting elements individually in a multiple-fold manner;

cutting the substrate at a position overlapping any one of the plurality of first grooves other than the first groove closest to one of the plurality of light emitting elements; and

peeling off the substrate from the resin layer.

2. The method for producing a display device according to claim 1 , wherein the plurality of first grooves are formed in a lattice pattern enclosing the light emitting elements individually in a multiple-fold manner.

3. The method for producing a display device according to claim 1 , wherein the plurality of first grooves are formed in a rectangular or square pattern enclosing the light emitting elements individually in a multiple-fold manner.

4. The method for producing a display device according to claim 1 , further comprising forming a plurality of second grooves substantially perpendicular to the plurality of first grooves.

5. The method for producing a display device according to claim 1 , further comprising forming a gas barrier layer on the resin film.

6. The method for producing a display device according to claim 5 , wherein a member including a SiN layer and a SiO 2 layer stacked in this order is formed as the gas barrier layer on the resin film.

7. The method for producing a display device according to claim 5 , wherein a member including a SiO 2 layer, a SiN layer and another SiO 2 layer stacked in this order is formed as the gas barrier layer on the resin film.

8. The method for producing a display device according to claim 1 , wherein the resin film is a polyimide film.

9. The method for producing a display device according to claim 1 , further comprising connecting a flexible printed circuit connected to the TFT layer.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2015
From: SUZUKI, TAKAYASU; OKU, NORIO
To: JAPAN DISPLAY INC.
Reel/Frame 035182/0623 →