Light-emitting device

JP2026102814APending Publication Date: 2026-06-23SEMICON ENERGY LAB CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SEMICON ENERGY LAB CO LTD
Filing Date
2026-03-18
Publication Date
2026-06-23

AI Technical Summary

Benefits of technology

【0018】 本発明の一態様は、被写体に高い輝度の照明光を照射することができる表示装置などを提 供することができる。または、本発明の一態様は、被写体のための光源として利用できる 表示装置などを提供することができる。または、本発明の一態様は、被写体のための光源 として利用でき、通常の画像や文字の表示も行え、その双方を切り替え可能な表示装置な どを提供することができる。または、本発明の一態様は、防犯用として利用することがで きる表示装置などを提供することができる。または、本発明の一態様は、消費電力の低い 表示装置などを提供することができる。または、本発明の一態様は、目的に応じてトラン ジスタの動作領域を変えて発光素子を駆動する表示装置などを提供することができる。ま たは、本発明の一態様は、新規な表示装置などを提供することができる。または、本発明 の一態様は、新規な照明装置などを提供することができる。

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Abstract

The present invention provides a display device that can illuminate a subject with high-brightness illumination light. Alternatively, one aspect of the present invention provides a display device that can be used as a light source for a subject. Alternatively, one aspect of the present invention can be used as a light source for a subject, and for ordinary images and text. It is possible to provide a display device that can also display information and allows switching between the two modes. [Solution] During the period in which the light-emitting device is displaying characters or images, the light-emitting device has The transistor has the ability to operate in the saturation region, and the light-emitting device is directed at the subject. During the period when illumination light is being emitted, the transistors in the light-emitting device operate in the linear region. It has the ability to do so.
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Claims

[Claim 1] A light-emitting device having pixels, The aforementioned pixel comprises a transistor and a light-emitting element. The transistor has the function of being able to control the magnitude of the current flowing through the light-emitting element, During the period in which the light-emitting device is displaying characters or images, the transistor has the capability to operate in the saturation region. The light-emitting device is characterized in that, during the period in which the light-emitting device irradiates an object with illumination light, the transistor has the function of being able to operate in the linear region.