Image display apparatus

Patent metadata

Field	Value
Publication number	US-10502968-B2
Application number	US-201816002300-A
Country	US
Kind code	B2
Filing date	Jun 7, 2018
Priority date	Jun 22, 2017
Publication date	Dec 10, 2019
Grant date	Dec 10, 2019

Abstract

An image display apparatus includes a parallax-barrier shutter panel including a plurality of sub-pixels arranged widthwise, the sub-pixels each being changeable between a light transmittance state and a light block state by driving a liquid crystal layer held between a first transparent substrate and a second transparent substrate with a first transparent electrode extending lengthwise. The first transparent substrate includes in a display area, a lower-layer first transparent electrode disposed under an interlayer insulating film and an upper-layer first transparent electrode disposed on the interlayer insulating film, the lower-layer first transparent electrode and the upper-layer first transparent electrode being the first transparent electrode. The first transparent substrate includes in an area adjacent to the display area, a lower-layer metal wire disposed under the interlayer insulating film and an upper-layer metal wire disposed on the interlayer insulating film. A lower-layer transparent electrode is connected to the lower-layer metal wire.

First claim

What is claimed is:

1. An image display apparatus comprising a stacked arrangement of a display panel and a parallax-barrier shutter panel,
the display panel comprising a plurality of sub-pixel pairs arranged widthwise at a predetermined pitch, the plurality of sub-pixel pairs each being formed of two sub-pixels displaying different images from each other,
the parallax-barrier shutter panel comprising a plurality of sub-openings arranged widthwise, the plurality of sub-openings each being changeable between a light transmittance state and a light block state by driving a liquid crystal layer held between a first transparent substrate and a second transparent substrate with a transparent electrode extending lengthwise,
the first transparent substrate of the parallax-barrier shutter panel comprising
in a display area, a lower-layer transparent electrode disposed under an interlayer insulating film and an upper-layer transparent electrode disposed on the interlayer insulating film, the lower-layer transparent electrode and the upper-layer transparent electrode being the transparent electrode, and
in an area adjacent to the display area, a lower-layer metal wire disposed under the interlayer insulating film and an upper-layer metal wire disposed on the interlayer insulating film,

the lower-layer transparent electrode being connected to the lower-layer metal wire.

2. The image display apparatus according to claim 1 , wherein the upper-layer transparent electrode is connected to the upper-layer metal wire.

3. The image display apparatus according to claim 1 , wherein the upper-layer transparent electrode is connected to the upper-layer metal wire through the lower-layer metal wire.

4. The image display apparatus according to claim 1 , wherein the lower-layer metal wire is formed in a layer directly on or directly under the lower-layer transparent electrode.

5. The image display apparatus according to claim 1 , wherein the upper-layer metal wire is formed in a layer directly on or directly under the upper-layer transparent electrode.

6. The image display apparatus according to claim 1 , wherein an electrical connection between the lower-layer metal wire and the upper-layer metal wire is established through a connection wire formed of a transparent conductive film in the same layer as the upper-layer transparent electrode via a contact hole formed in the interlayer insulating film.

7. The image display apparatus according to claim 1 , wherein the upper-layer transparent electrodes that are in electrical common or the lower-layer transparent electrodes that are in electrical common are electrically connected to the upper-layer metal wire in common.

8. The image display apparatus according to claim 1 , wherein the upper-layer metal wire comprises an upper surface covered in whole with a transparent conductive film in the same layer as the upper-layer transparent electrode.

9. The image display apparatus according to claim 1 , further comprising a protective insulating film disposed on the upper-layer transparent electrode and the upper-layer metal wire.

Assignees

• Mitsubishi Electric Corp

Inventors

• Kawabuchi Shinji
• Miyakawa Osamu

Classifications

• G02F1/134309 Primary

  characterised by their geometrical arrangement · CPC title

• G02B30/27 Primary

  involving lenticular arrays · CPC title

• G02F1/1347

  Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells · CPC title

• G02F1/133345

  Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence) · CPC title

• G02F1/13439

  characterised by their electrical, optical, physical properties; materials therefor; method of making · CPC title