IP Library Granted Patent US 9,891,486
Granted Patent B2
US 9,891,486 · App. 15/087,163 · Granted Feb 13, 2018

Display device

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Quick Facts
Patent No.
US 9,891,486
App. No.
15/087,163
Granted
Feb 13, 2018
Kind
B2
Abstract

A display device includes a display panel and a flexible wiring board, an end portion of which is joined to the display panel. The flexible wiring board includes a flexible base substrate in which a through-hole is formed in a position not overlapping the display panel of an extending portion extending from the end portion joined to the display panel in plan view, a first wiring pattern formed to close the through-hole on one surface of the flexible base substrate, and a first resin layer having more flexibility than the flexible base substrate and formed to fill the through-hole formed in the flexible base substrate.

Claims (6)

1. A display device comprising: a display panel; and a flexible wiring board, an end portion of which is joined to the display panel, wherein the flexible wiring board includes: a flexible base substrate in which a through-hole is formed in a position not overlapping the display panel of an extending portion extending from the end portion joined to the display panel in plan view; a first wiring pattern formed to close the through-hole on one surface of the flexible base substrate; and a first resin layer having more flexibility than the flexible base substrate and formed to fill the through-hole formed in the flexible base substrate, wherein the flexible wiring board further includes a coating layer covering a part of the first wiring pattern and provided in a position avoiding a region where the through-hole is formed in plan view.

2. The display device according to claim 1 , wherein

the flexible wiring board further includes a second wiring pattern formed on another surface of the flexible base substrate while avoiding a region where the through-hole is formed in plan view, and

the second wiring pattern is covered with a second resin layer provided apart from the first resin layer in plan view.

3. The display device according to claim 2 , wherein the first resin layer and the second resin layer are formed of a same material.

4. The display device according to claim 1 , wherein the first resin layer is provided in contact with the first wiring pattern.

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 31, 2016
From: NISHIMOTO, YUUKI
To: JAPAN DISPLAY INC.
Reel/Frame 038162/0727 →