Light-emitting device and manufacturing method thereof

A light-emitting device comprising:

• a first substrate having a first surface and a second surface which is a rear surface of the first surface;
• a light-emitting element over the first surface of the first substrate;
• a second substrate;
• a pixel circuit for driving the light-emitting element over the second substrate, the second substrate being provided to face the second surface of the first substrate;
• and
• a third substrate being provided to face the first surface of the first substrate so as to cover the light-emitting element,
• wherein the pixel circuit comprises a driving transistor for driving the light-emitting element;
• and
• wherein the driving transistor is electrically connected to the light-emitting element.

A light-emitting device comprising:

• a first substrate;
• a light-emitting element over the first substrate;
• an insulating film which covers the light-emitting element;
• a second substrate;
• and
• a row driver and a column driver for driving the light-emitting element over the second substrate, the second substrate being provided to face the first substrate so as to cover the light-emitting element,
• wherein the light-emitting element is electrically connected to the row driver or the column driver through the insulating film.

A manufacturing method of a light-emitting device, comprising the steps of:

• forming a light-emitting element over a first substrate;
• forming an insulating film over the light-emitting element;
• forming a separation layer over a second substrate;
• forming a layer comprising a pixel circuit for driving the light-emitting element over the separation layer;
• separating the layer comprising the pixel circuit for driving the light-emitting element from the second substrate;
• and
• attaching the first substrate and the layer comprising the pixel circuit for driving the light-emitting element to each other so that the first substrate and the layer comprising the pixel circuit for driving the light-emitting element face each other, thereby electrically connecting the light-emitting element to the pixel circuit.

A manufacturing method of a light-emitting device, comprising the steps of:

• forming a light-emitting element over a first substrate;
• forming an insulating film over the light-emitting element;
• forming a layer comprising a pixel circuit for driving the light-emitting element over a second substrate;
• processing the second substrate to be thinner;
• and
• attaching the first substrate and the second substrate to each other so that the first substrate and the second substrate face each other, thereby electrically connecting the light-emitting element to the pixel circuit.