IP Library Granted Patent US 10,539,843
Granted Patent B2
US 10,539,843 · App. 15/656,578 · Granted Jan 21, 2020

Display device

Inventor: Masaya Tamaki (Tokyo, JP)
Assignee: Japan Display Inc.
G02F1/13452G02F1/13306G02F1/13336G02F1/133345G02F1/133504G02F1/133512G02F1/133514G02F1/134309G06F3/1446G09G3/3648G02F2001/133388G02F2201/123G09G2300/0426
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Quick Facts
Patent No.
US 10,539,843
App. No.
15/656,578
Granted
Jan 21, 2020
Kind
B2
Abstract

According to one embodiment, a display device includes a driver, a pixel circuit disposed to be apart from the driver in a plan view and to be electrically connected to the driver, a first pixel electrode disposed to overlap the pixel circuit in a plan view and to be electrically connected to the pixel circuit, a second pixel electrode disposed to overlap the driver in a plan view and to be closer to an outer edge of a display area than the first pixel electrode, and a relay line disposed between the pixel circuit and the first pixel electrode and between the driver and the second pixel electrode, the relay line electrically connecting the first pixel electrode and the second pixel electrode.

Claims (42)

1. A display device comprising:

a driver;

a pixel circuit disposed to be apart from the driver in a plan view and to be electrically connected to the driver;

a first pixel electrode disposed to overlap the pixel circuit in a plan view and to be electrically connected to the pixel circuit;

a second pixel electrode disposed to overlap the driver in a plan view and to be closer to an outer edge of a display area than the first pixel electrode;

a relay line disposed between the pixel circuit and the first pixel electrode and between the driver and the second pixel electrode, the relay line electrically connecting the first pixel electrode and the second pixel electrode;

a third pixel electrode adjacent to the first pixel electrode, the third pixel electrode being more apart from the outer edge than the first pixel electrode; and

a light shield disposed to overlap a gap between the first pixel electrode and the third pixel electrode in a plan view,

wherein the display device is a reflective liquid crystal display device, and

wherein the first pixel electrode is disposed between the driver and the light shield in a plan view.

2. The display device according to claim 1 , further comprising:

a first insulating film disposed between the driver and the relay line and between the pixel circuit and the relay line;

a second insulating film disposed between the relay line and the first pixel electrode and between the relay line and the second pixel electrode;

a connector penetrating the first insulating film and the second insulating film to electrically connect the pixel circuit and the first pixel electrode;

a first upper connector penetrating the second insulating film, and disposed to be apart from the connector in a plan view and to electrically connect the relay line and the first pixel electrode; and

a second upper connector penetrating the second insulating film to electrically connect the relay line and the second pixel electrode.

3. The display device according to claim 1 , wherein

an end of the light shield overlaps the first pixel electrode in a plan view; and

the light shield is disposed to be apart from the relay line,

wherein the light shield and the relay line are disposed over the same layer.

4. The display device according to claim 1 , further comprising:

a first substrate; and

a second substrate disposed to be opposed to the first substrate, wherein

the first substrate includes the first pixel electrode, and

an anisotropy diffusion layer is disposed over the second substrate,

the anisotropy diffusion layer is opposed to the first pixel electrode,

the anisotropy diffusion layer is configured to diffuse incident light from a particular direction.

5. The display device according to claim 1 , further comprising:

a first substrate; and

a second substrate disposed to be opposed to the first substrate, wherein

the first substrate includes the first pixel electrode, and

an isotropy diffusion layer is disposed over the second substrate

the isotropy diffusion layer is opposed to the first pixel electrode,

the isotropy diffusion layer is configured to diffuse incident light from any direction.

6. The display device according to claim 1 , further comprising:

a fourth pixel electrode adjacent to the second pixel electrode in the direction crossing a direction in which the first pixel electrode and the second pixel electrode are arranged; and

a second relay line crossing the relay line to electrically connect the second pixel electrode and the fourth pixel electrode.

7. The display device according to claim 1 , wherein

the first pixel electrode includes a reflection electrode and a transparent electrode,

the transparent electrode covers the reflection electrode,

the reflection electrode is formed of a light reflective metal material, and

the transparent electrode is formed of a light transmissive transparent conductive material.

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 Jul 21, 2017
From: TAMAKI, MASAYA
To: JAPAN DISPLAY INC.
Reel/Frame 043066/0287 →
Priority Claims (1)
JP 2016-149916 · Jul 29, 2016 · national
Continuity (1)
Related Publication 20180031893A1 · Feb 1, 2018