Light-Emitting Device, Module, and Electronic Device

A light-emitting device comprising:

• a light-emitting panel;
• a secondary battery;
• a circuit;
• and
• a sealing structure,
• wherein the light-emitting panel includes a light-emitting element,
• wherein the light-emitting element is configured to emit light by using power supplied from the secondary battery,
• wherein the light-emitting element is capable of emitting light at 0° C.,
• wherein the light-emitting element is capable of emitting light at 100° C.,
• wherein the secondary battery is capable of supplying power to the light-emitting panel at 0° C.,
• wherein the secondary battery is capable of supplying power to the light-emitting panel at 100° C.,
• wherein the circuit includes an antenna,
• wherein the circuit is configured to charge the secondary battery wirelessly,
• wherein the light-emitting panel, the secondary battery, and the circuit are provided inside the sealing structure,
• wherein at least part of the sealing structure is configured to transmit light emitted from the light-emitting element, and
• wherein the light-emitting device is capable of being used in water at 0° C. and in water at 100° C.