The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
Mar. 17, 2022
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Shunpei Yamazaki, Tokyo, JP;
Tetsuya Kakehata, Isehara, JP;
SEMICONDUCTOR ENERGY LABORATORY CO., LTD., Kanagawa-ken, JP;
Abstract
An electronic device capable of estimating a user's situation is to be provided. The electronic device includes a camera, a processing portion, and a display portion. The camera has a function of capturing an image of a user's eye and his/her periphery repeatedly to generate a plurality of pieces image data. The processing portion has a function of detecting, from the plurality of pieces of image data, a change over time in information including at least one of a frequency of eye blinks, a time taken for one blink, a distance between an upper eyelid and a lower eyelid, a sight direction, and an area of a pupil, a function of estimating a level of user's eye fatigue on the basis of the change over time in information, and a function of generating string information in accordance with the estimated level of user's eye fatigue. The display portion has a function of displaying string information.