Title:
CLOCK HAVING SOLAR PANEL
Document Type and Number:
Japanese Patent JP2022032759
Kind Code:
A
Abstract:
To deter a solar panel 2 from being visually recognized from the outside.SOLUTION: A clock 1 having a solar panel includes a dial 3 including at least a phase difference plate 31 for giving a phase difference to transmission light, and a polarizing plate 32 that is provided above the phase difference plate 31 and transmits light components polarized in a specific direction, and a solar panel 2 for generating power by incidence of light through the dial 3, and arithmetic average roughness Ra of a power generation area in an upper surface of the solar panel 2 is 0.01 μm or more and 1 μm or less.SELECTED DRAWING: Figure 4
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Inventors:
SATO SHINYA
KOMATA TERUYUKI
KOMATA TERUYUKI
Application Number:
JP2020136917A
Publication Date:
February 25, 2022
Filing Date:
August 14, 2020
Export Citation:
Assignee:
CITIZEN WATCH CO LTD
International Classes:
G04C10/02; G04B19/06; G04G19/00; H01L31/0224; H01L31/0392; H01L31/048
Attorney, Agent or Firm:
Haruka International Patent Office