IP Library Granted Patent US 10,365,533
Granted Patent B2
US 10,365,533 · App. 15/373,866 · Granted Jul 30, 2019

Electrophoretic display device and electronic apparatus

Inventor: Akihito Matsumoto (Chino, JP)
Assignee: E Ink Corporation
G02F1/167G02F1/1676G02F1/1681G02F2201/121
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Quick Facts
Patent No.
US 10,365,533
App. No.
15/373,866
Granted
Jul 30, 2019
Kind
B2
Abstract

An electrophoretic display device includes: a first substrate on which a common electrode is provided; a second substrate on which a pixel electrode and a plurality of terminals are provided; dispersion liquid that is provided between the first substrate and the second substrate and includes particles and a dispersion medium; and two or more connecting portions that electrically connect two or more terminals among the plurality of terminals respectively to different points of the common electrode.

Claims (20)

1. An electrophoretic display device, comprising:

a first substrate on which a common electrode is provided, the common electrode comprising a sheet of conductive material, two or more connecting portions having a plate portion and a connector extending from the plate portion, a partitioning wall portion comprising at least two frame portions located between the sheet and the plate portions, and a conducting portion located within each frame portion and electrically connecting the plate portion of each connecting portion to the sheet;

a second substrate on which a pixel electrode and a plurality of terminals are provided; and

dispersion liquid that is provided between the first substrate and the second substrate and includes particles and a dispersion medium

wherein the connecting portions electrically connect two or more terminals among the plurality of terminals respectively to different points of the common electrode.

2. The electrophoretic display device according to claim 1 ,

wherein to the partitioning wall is provided between the first substrate and the second substrate; and

wherein the dispersion liquid is provided at compartment areas partitioned by the partitioning wall.

3. The electrophoretic display device according to claim 1 ,

wherein a plurality of microcapsules is provided between the first substrate and the second substrate; and

wherein the dispersion liquid is provided inside the microcapsules.

4. The electrophoretic display device according to claim 1 ,

wherein the two or more terminals includes at least, among the plurality of terminals, two end terminals.

5. The electrophoretic display device according to claim 1 ,

wherein the two or more terminals are at the same potential when driven.

6. An electronic apparatus comprising: the electrophoretic display device according to claim 1 .

7. An electronic apparatus comprising: the electrophoretic display device according to claim 2 .

8. An electronic apparatus comprising: the electrophoretic display device according to claim 3 .

9. An electronic apparatus comprising: the electrophoretic display device according to claim 4 .

10. An electronic apparatus comprising: the electrophoretic display device according to claim 5 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 13, 2018
From: SEIKO EPSON CORPORATION
To: E INK CORPORATION
Reel/Frame 047072/0325 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2016
From: MATSUMOTO, AKIHITO
To: SEIKO EPSON CORPORATION
Reel/Frame 040698/0315 →
Priority Claims (1)
JP 2015-246046 · Dec 17, 2015 · national
Continuity (1)
Related Publication 20170176837A1 · Jun 22, 2017
Cited By (2)
US 12,468,182 US 12,717,200