IP Library Granted Patent US 9,508,752
Granted Patent B2
US 9,508,752 · App. 14/985,310 · Granted Nov 29, 2016

Display device and method of manufacturing the same

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Quick Facts
Patent No.
US 9,508,752
App. No.
14/985,310
Granted
Nov 29, 2016
Kind
B2
Abstract

A display device includes a display unit including a plurality of pixels respectively including thin film transistors; and a terminal unit including an array of a plurality of terminals. The display device includes a first insulating film provided on a substrate; the thin film transistors provided on the first insulating film; a second insulating film that is provided in the display unit and in the terminal unit and has openings located between the plurality of terminals; a plurality of signal lines that are provided on the second insulating film and are respectively connected to the thin film transistors, and a plurality of terminal lines that are provided on the second insulating film in the terminal unit; and a third insulating film that is located on the plurality of signal lines and the plurality of terminal lines and is formed of an organic insulating film.

Claims (33)

1. A display device, comprising:

a display unit comprising a plurality of pixels respectively having thin film transistors;

a terminal unit comprising an array of a plurality of terminals, signals to control an operation of the thin film transistors respectively being input into the plurality of terminals;

a first insulating film provided on a substrate, wherein the thin film transistors provided on the first insulating film;

a second insulating film provided in the display unit and in the terminal unit, and having openings located between the terminals;

a plurality of signal lines provided on the second insulating film and respectively connected to the thin film transistors;

a plurality of terminal lines provided on the second insulating film in the terminal unit; and

a third insulating film located on the plurality of signal lines and the plurality of terminal lines and formed of an organic insulating film, wherein

each of the openings exposes at least a part of the top surface of the first insulating film from the second insulating film between the terminals.

2. The display device according to claim 1 ,

wherein the plurality of terminals are respectively connected to the plurality of terminal lines via a plurality of contact holes provided in the third insulating film.

3. The display device according to claim 1 ,

wherein the plurality of terminals are formed of a light-transmissive conductive film.

4. The display device according to claim 1 ,

wherein the third insulating film contains an acrylic resin or polyimide.

5. A display device, comprising:

a display unit comprising a plurality of pixels respectively having thin film transistors;

a terminal unit comprising an array of a plurality of terminals, signals to control an operation of the thin film transistors respectively being input into the plurality of terminals;

a first insulating film provided on a substrate, wherein the thin film transistors are provided on the first insulating film;

a second insulating film provided in the display unit and in the terminal unit, and having openings located between the terminals;

a plurality of signal lines provided on the second insulating film and respectively connected to the thin film transistors;

a plurality of terminal lines provided on the second insulating film in the terminal unit; a third insulating film located on the plurality of signal lines and formed of an organic insulating film;

a fourth insulating film formed from an inorganic insulating film located on the third insulating film and the plurality of terminal lines, having a plurality of contact holes each exposing a part of a corresponding terminal line among the plurality of terminal lines, wherein the plurality of terminals provided on the fourth insulating film and respectively connected to the plurality of terminal lines via the plurality of contact holes; and

a fifth insulating film provided on the plurality of terminals and exposing a part of each of the plurality of terminals, wherein

each of the openings exposes at least a part of the top surface of the first insulating film from the second insulating film between the terminals.

6. The display device according to claim 5 ,

wherein the plurality of terminals are formed of a light-transmissive conductive film.

7. The display device according to claim 5 ,

wherein the third insulating film contains an acrylic resin or polyimide.

8. The display device according to claim 1 ,

wherein the third insulating film is formed so as to overlap the openings.

9. The display device according to claim 5 ,

wherein the fourth insulating film and the fifth insulating film are formed so as to overlap the openings.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →