Electronic device

Patent metadata

Field	Value
Publication number	US-9891597-B2
Application number	US-201615056414-A
Country	US
Kind code	B2
Filing date	Feb 29, 2016
Priority date	Mar 18, 2014
Publication date	Feb 13, 2018
Grant date	Feb 13, 2018

Abstract

An electronic device includes a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions.

First claim

What is claimed is:

1. An electronic device, comprising:
a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions; and
a module arranged under the solar panel and including a circular polarization antenna having a radiating electrode,
wherein:
the plurality of light receiving regions includes a light receiving region arranged above the radiating electrode of the circular polarization antenna, and a light receiving region arranged at a position away from above of the radiating electrode, and
the connecting region is provided above and across end portions of the radiating electrode of the circular polarization antenna.

2. The electronic device according to claim 1 , further comprising:
a dial arranged on the solar panel and having a light transmission characteristic,
wherein:
the connecting region includes a constricted portion having a width equal to or narrower than a predetermined width according to a light transmission rate of the dial and a total area of light receiving surfaces of the solar cell,
the solar cell is formed by stacking a metal electrode, a semiconductor layer, and a transparent electrode in this order, and
the conductive reinforcing material is stacked on the transparent electrode in the connecting region and is electrically connected to the transparent electrodes of the plurality of light receiving regions.

3. The electronic device according to claim 1 , wherein:
the solar cell is formed by stacking a metal electrode, a semiconductor layer, and a transparent electrode in this order, and
the conductive reinforcing material is stacked on the transparent electrode in the connecting region and is electrically connected to the transparent electrodes of the plurality of light receiving regions.

4. The electronic device according to claim 1 , wherein:
the solar cell is formed by stacking a metal electrode, a semiconductor layer, and a transparent electrode in this order, and
the conductive reinforcing material is provided in the connecting region in place of the metal electrode and the transparent electrode, and is electrically connected to the metal electrode or the transparent electrode of the plurality of light receiving regions.

5. The electronic device according to claim 4 , wherein, in the connecting region, an insulating layer is provided in place of the semiconductor layer.

6. The electronic device according to claim 1 , further comprising:
a dial arranged on the solar panel and having a light transmission characteristic,
wherein:
the connecting region includes a constricted portion having a width equal to or narrower than a predetermined width according to a light transmission rate of the dial and a total area of light receiving surfaces of the solar cell,
the solar cell is formed by stacking a metal electrode, a semiconductor layer, and a transparent electrode in this order, and
the conductive reinforcing material is provided in the connecting region in place of the metal electrode and the transparent electrode, and is electrically connected to the metal electrode or the transparent electrode of the plurality of light receiving regions.

7. An electronic device comprising:
a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions;
a dial arranged on the solar panel and having a light transmission characteristic; and
a module arranged under the solar panel and including a circular polarization antenna having a radiating electrode,
wherein:
the connecting region includes a constricted portion having a width equal to or narrower than a predetermined width according to a light transmission rate of the dial and a total area of light receiving surfaces of the solar cell,
the plurality of light receiving regions includes a light receiving region arranged above the radiating electrode of the circular polarization antenna, and a light receiving region arranged at a position away from the above of the radiating electrode, and
the connecting region is provided above and astride end portions of the radiating electrode of the circular polarization antenna.

8. The electronic device according to claim 7 , wherein:
the solar cell is formed by stacking a metal electrode, a semiconductor layer, and a transparent electrode in this order,
the conductive reinforcing material is provided in the connecting region in place of the metal electrode and the transparent electrode, and is electrically connected to the metal electrode or the transparent electrode of the plurality of light receiving regions, and
in the connecting region, an insulating layer is provided in place of the semiconductor layer.

Assignees

• Casio Computer Co Ltd

Inventors

• Abe Kazuaki
• Iwanaga Masakuni
• Yano Junro
• Saito Yuta

Classifications

• G04C10/02 Primary

  the power supply being a radioactive {or photovoltaic} source · CPC title

• G04R20/04

  Tuning or receiving; Circuits therefor · CPC title

• G04R60/06

  Antennas attached to or integrated in clock or watch bodies · CPC title

• G04G19/00 Primary

  Electric power supply circuits specially adapted for use in electronic time-pieces · CPC title

• G04R60/12

  inside metal cases · CPC title