IP Library Granted Patent US 10,727,441
Granted Patent B2
US 10,727,441 · App. 16/456,458 · Granted Jul 28, 2020

Display device

Inventor: Yuki Kishi (Tokyo, JP)
Assignee: JOLED, INC.
H01L51/5253H01L27/3248H01L27/3276H01L51/5203H05K1/189H05K2201/10106H05K2201/10128
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Quick Facts
Patent No.
US 10,727,441
App. No.
16/456,458
Granted
Jul 28, 2020
Kind
B2
Abstract

A display device includes: a panel unit that includes pixel drive circuits; and a panel terminal unit on an edge portion of the panel unit. The panel terminal unit includes: a board; wiring electrodes disposed on the board and connected to the pixel drive circuits; a mounted component mounted on the board and connected to the wiring electrodes; a protective film that is on the board and covers the wiring electrodes except for a mounting area where the mounted component is mounted on the board; and a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film.

Claims (71)

1. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board and covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film,

wherein the protective film includes a resin-covered portion covered with the resin portion and a protective-film exposed portion not covered with the resin portion.

2. The display device according to claim 1 ,

wherein the protective-film exposed portion is disposed on at least a part of the plurality of wiring electrodes.

3. The display device according to claim 1 ,

wherein the protective-film exposed portion is located on neighboring wiring electrodes that make a largest difference in a voltage applied to the neighboring wiring electrodes out of the plurality of wiring electrodes.

4. The display device according to claim 1 ,

wherein the protective-film exposed portion is located on neighboring wiring electrodes that have different polarities out of the plurality of wiring electrodes.

5. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board and covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film,

wherein an area of the resin portion is 1.1 times or larger and 3 times or smaller an area of the mounting area.

6. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion or an entirety of the protective film,

wherein the resin portion includes a first resin portion that is located on a portion of the protective film located in a surrounding area of the mounted component and a second resin portion that is located on another portion of the protective film located in an area different from both the mounting area and the surrounding area, and

a height of the second resin portion is less than a height of the first resin portion with respect to the protective film.

7. The display device according to claim 6 ,

wherein the height of the second resin portion is less than a height of a top face of the mounted component.

8. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board and covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film,

wherein the protective film and the mounted component have a gap, and the resin portion closes the gap.

9. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board and covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film,

wherein the mounted component is at least one of a flexible printed wiring board and a driver integrated circuit (IC).

10. A display device, comprising:

a panel that includes a plurality of pixel drive circuits; and

a panel terminal that is disposed on an edge portion of the panel,

wherein the panel terminal includes

a board;

a plurality of wiring electrodes that are disposed on the board and are connected to the plurality of pixel drive circuits;

a mounted component that is mounted on the board and connected to the plurality of wiring electrodes;

a protective film that is disposed on the board and covers the plurality of wiring electrodes except for a mounting area where the mounted component is mounted on the board; and

a resin portion that covers the mounted component and a portion of the protective film and not covers a rest of the protective film; and

a driver circuit board that supplies a drive current for driving the plurality of pixel drive circuits,

wherein the mounted component is a flexible printed wiring board, and

the panel terminal is connected to the driver circuit board via the flexible printed wiring board.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2025
From: JDI DESIGN AND DEVELOPMENT G.K.
To: MAGNOLIA BLUE CORPORATION
Reel/Frame 072039/0656 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2024
From: JOLED, INC.
To: JDI DESIGN AND DEVELOPMENT G.K.
Reel/Frame 066382/0619 →
CORRECTION BY AFFIDAVIT FILED AGAINST REEL/FRAME 063396/0671 Recorded Jun 12, 2023
From: JOLED, INC.
To: JOLED, INC.
Reel/Frame 064067/0723 →
SECURITY INTEREST Recorded Apr 20, 2023
From: JOLED, INC.
To: INCJ, LTD.
Reel/Frame 063396/0671 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 28, 2019
From: KISHI, YUKI
To: JOLED INC.
Reel/Frame 049624/0088 →