IP Library Granted Patent US 12,353,099
Granted Patent B2
US 12,353,099 · App. 18/663,715 · Granted Jul 8, 2025

Display device

Inventor: Hirokazu Seki (Tokyo, JP)
Assignee: Japan Display Inc.
G02F1/13452G06F3/0446G06F3/047H10K50/81H10K50/82H10K50/84H10K50/8426H10K50/844H10K50/86H10K59/131H10K59/40H10K59/87G02F1/136286G09G3/3266H10K50/8445H10K50/856H10K59/8051H10K59/8052H10K59/8731H10K59/878H10K59/8791
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Quick Facts
Patent No.
US 12,353,099
App. No.
18/663,715
Granted
Jul 8, 2025
Kind
B2
Abstract

According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a wiring substrate connected to the first substrate, a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween and a conductive layer maintained at a predetermined potential, and the first substrate includes an extension portion extending further from the second substrate, the wiring substrate is connected to the extension portion, the cover member includes a first surface opposing the extension portion, and the conductive layer overlaps the extension portion in plan view.

Claims (78)

1. A display device comprising:

a first substrate;

a second substrate opposing the first substrate;

a wiring substrate connected to the first substrate;

a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween in cross-section; and

a conductive layer,

the first substrate comprising an extension portion extending further from the second substrate,

the wiring substrate being connected to the extension portion,

the cover member comprising a first surface opposing the extension portion,

the conductive layer being connected to the first surface of the cover member, overlapping the extension portion and the wiring substrate in plan view,

the wiring substrate further comprises a reference potential member, and

the conductive layer is in contact with the reference potential member.

2. The display device of claim 1 , wherein

the conductive layer being maintained at a predetermined potential.

3. The display device of claim 1 , further comprising:

a driver provided in the extension portion,

wherein

the conductive layer overlaps the driver at least partially in plan view.

4. The display device of claim 3 , wherein

the conductive layer overlaps the driver entirely in plan view.

5. A display device comprising:

a first substrate;

a second substrate opposing the first substrate;

a wiring substrate connected to the first substrate;

a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween in cross-section;

a conductive layer; and

a driver provided in the extension portion,

the first substrate comprising an extension portion extending further from the second substrate,

the wiring substrate being connected to the extension portion,

the cover member comprising a first surface opposing the extension portion,

the conductive layer being connected to the first surface of the cover member, and overlapping the extension portion and the wiring substrate in plan view,

the conductive layer overlaps the driver at least partially in plan view, and

an insulating layer is located between the driver and the conductive layer.

6. A display device comprising:

a first substrate;

a second substrate opposing the first substrate;

a wiring substrate connected to the first substrate;

a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween in cross-section;

a conductive layer; and

a driver provided in the extension portion,

the first substrate comprising an extension portion extending further from the second substrate,

the wiring substrate being connected to the extension portion,

the cover member comprising a first surface opposing the extension portion,

the conductive layer being connected to the first surface of the cover member, and overlapping the extension portion and the wiring substrate in plan view,

the conductive layer overlaps the driver at least partially in plan view, and

the driver is mounted on the wiring substrate.

7. The display device of claim 1 , wherein

the conductive layer is connected to the wiring substrate.

8. The display device of claim 1 , further comprising:

an adhesive layer located between the second substrate and the cover member,

wherein

the conductive layer is in contact with the adhesive layer.

9. A display device comprising:

a first substrate;

a second substrate opposing the first substrate;

a wiring substrate connected to the first substrate;

a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween in cross-section;

a conductive layer; and

an illumination device accommodated in a housing,

the first substrate comprising an extension portion extending further from the second substrate,

the wiring substrate being connected to the extension portion,

the cover member comprising a first surface opposing the extension portion,

the conductive layer being connected to the first surface of the cover member, and overlapping the extension portion and the wiring substrate in plan view,

the illumination device is located on an opposite side to the second substrate so as to interpose the first substrate therebetween,

the housing is at a reference potential, and

the conductive layer is electrically connected to the housing.

10. A display device comprising:

a first substrate;

a second substrate opposing the first substrate;

a wiring substrate connected to the first substrate;

a cover member located on an opposite side to the first substrate so as to interpose the second substrate therebetween in cross-section;

a conductive layer; and

a detection electrode and an outer peripheral wiring line electrically connected to the detection electrode,

the first substrate comprising an extension portion extending further from the second substrate,

the wiring substrate being connected to the extension portion,

the cover member comprising a first surface opposing the extension portion,

the conductive layer being connected to the first surface of the cover member and overlapping the extension portion and the wiring substrate in plan view, and

the conductive layer overlaps the outer peripheral wiring line at least partially in plan view.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 27, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 071550/0432 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 16, 2024
From: SEKI, HIROKAZU
To: JAPAN DISPLAY INC.
Reel/Frame 067438/0123 →
Priority Claims (1)
JP 2017-203819 · Oct 20, 2017 · national
Continuity (5)
Continuation 18221525 · Jul 13, 2023
Continuation 17549119 · Dec 13, 2021
Division 16832740 · Mar 27, 2020
Division 16161619 · Oct 16, 2018
Related Publication 20240298489A1 · Sep 5, 2024
References Cited (11)
US 20010010569A1 · Jin et al. · 2001 [cited by applicant]
US 20020149074A1 · Imaeda · 2002 [cited by applicant]
US 20060109394A1 · Miyagawa · 2006 [cited by examiner]
US 20120262898A1 · Yamada · 2012 [cited by applicant]
US 20130083268A1 · Hirabayashi · 2013 [cited by applicant]
US 20130242249A1 · Azuma et al. · 2013 [cited by applicant]
US 20140176840A1 · Hashido · 2014 [cited by examiner]
US 20170160581A1 · Matsuoka · 2017 [cited by applicant]
JP 2014103151A · 2014 [cited by applicant]
JP 2014123640A · 2014 [cited by applicant]
English translation of Japanese Office Action issued in related Japanese Patent Application No. 2017-203819 mailed on Aug. 31, 2021. 5 pages. [cited by applicant]