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US 10,764,481 B2Granted
Light-emitting device and camera
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsYoshiharu Hirakata, Nobuharu Ohsawa, Hisao Ikeda, Kazuhiko Fujita, Akihiro Kaita
Life of this patent
Estimating the term…
Abstract
A small light-emitting device is provided. A light-emitting device which is less likely to produce a shadow is provided. A structure including a switching circuit for supplying a pulsed constant current and a light-emitting panel supplied with the pulsed constant current has been conceived.
Claims2
An electronic device comprising:
- a display panel comprising an organic EL element;
- and
- a camera comprising a lens,
- wherein the display panel and the lens are on the same side of a substrate,
- wherein the display panel surrounds the lens, and
- wherein the display panel has a function of a flash of the camera.
3 more elements
A camera comprising:
- a display panel comprising an organic EL element;
- and
- a lens,
- wherein the display panel and the lens are on the same side of a substrate,
- wherein the display panel surrounds the lens, and
- wherein the display panel has a function of a flash of the camera.
3 more elements
Dependencies are inferred from the claim text.