Indication device
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- SEMICON ENERGY LAB CO LTD
- Filing Date
- 2026-03-06
- Publication Date
- 2026-06-16
AI Technical Summary
【0018】 本発明の一態様によれば、光検出機能を有する表示装置を提供できる。または、指紋認 証に代表される生体認証の機能を有する表示装置を提供できる。または、タッチパネルと しての機能と、生体認証の機能を兼ね備える表示装置を提供できる。または、利便性の高 い表示装置を提供できる。または、多機能の表示装置を提供できる。または、新規な構成 を有する表示装置を提供できる。
Smart Images
Figure 2026097965000001_ABST
Abstract
Claims
1. It comprises a first substrate, a resin layer, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided facing each other with the resin layer in between, The first light-emitting element and the light-receiving element are provided between the first substrate and the resin layer. The first light-emitting element has the function of emitting first light through the light guide plate, The second light-emitting element has the function of emitting a second light to the side surface of the light guide plate, The first light includes visible light, The second light includes infrared light, It has the function of simultaneously acquiring first biological information using the first light and acquiring second biological information using the second light, The light guide plate has a refractive index of 1.4 or more and 1.8 or less for light in the wavelength range of 800 nm to 1000 nm. The resin layer has a refractive index lower than that of the light guide plate for light in the wavelength range of 800 nm to 1000 nm, in the display device.
2. In claim 1, The first biometric information mentioned above is a fingerprint, The second biological information, as described above, is a vein, and the display device.
3. In claim 1 or claim 2, At least a portion of the light guide plate is curved, A display device in which the first substrate is arranged along the curved surface of the light guide plate.