Timepiece display plate
AssigneesCitizen Holdings Co., Ltd., Yamamoto Manufacturing Co., Ltd., Citizen Watch Co., Ltd.
InventorsNobuo Ito, Takayuki Waseda, Shinichi Sakamaki, Hiroshi Ikebuchi, Yutaka Sugihara, Shigeo Kaneko
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Abstract
A timepiece display plate, while obtaining reflection light having metal texture, allows partial light as a transmissive light to transmit to a solar cell and easily adapt to various types of dial plates. A timepiece display plate (150) for a timepiece (200) having a plate-like solar cell (130), includes a light transmissive dial plate (151) and a brightness improving film (brightness improving plate) separately disposed between the light transmissive dial plate (151) and the solar cell (130).
Claims17
A timepiece display plate for a timepiece having a plate-like solar cell, comprising
- a light transmissive dial plate;
- and
- a brightness improving plate disposed between the light transmissive dial plate and the solar cell,
- wherein the brightness improving plate has a convexo-concave surface disposed on one of a surface facing the light transmissive dial plate and a surface facing the solar cell, and
- wherein the convexo-concave surface is formed by a plurality of arranged prism surfaces.
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Dependencies are inferred from the claim text.