Secondary battery and electronic device
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 2, 2021
Grant Date -
Sep 19, 2019
app pub date -
May 28, 2019
filing date -
May 28, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
To provide a secondary battery that is suitable to a portable information terminal or a wearable device. To provide an electronic device having a novel structure that can have various forms and a secondary battery that fits the forms of the electronic device. The secondary battery includes a film provided with depressions or projections that can ease stress on the film due to application of external force. The sizes of the depressions or projections are different between a center portion and an end portion of the film. The end portion of the film is sealed with an adhesive layer. The depressions or projections of the film are formed by pressing such as embossing.
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