Light-emitting device and light-emitting system
Each of a plurality of the light-emitting units ( 140 ) includes a first electrode ( 110 ), an organic layer ( 120 ), and a second electrode ( 130 ). The first electrode ( 110 ) is light-transmitting, and the second electrode ( 130 ) is light-reflective. The organic layer ( 120 ) is located between the first electrode ( 110 ) and the second electrode ( 130 ). The light-transmitting regions ( 104 and 106 ) are located between the plurality of light-emitting units ( 140 ). A sealing member ( 170 ) covers the plurality of light-emitting units ( 140 ) and the light-transmitting regions ( 104 and 106 ). The sealing member ( 170 ) is fixed directly or through an insulating layer ( 174 ) to at least one of a structure (for example, the second electrode 130 ) formed on a substrate ( 100 ), and the substrate ( 100 ). In addition, a haze value of the light-emitting device ( 10 ) is equal to or less than 2.0%, preferably equal to or less than 1.4%.
1. A light-emitting device, comprising:
a light-transmitting substrate;
a plurality of light-emitting units formed on the substrate, each light-emitting unit comprising a light-transmitting first electrode, a light-reflective second electrode, and an organic layer located between the first electrode and the second electrode;
a light-transmitting region located between the plurality of light-emitting units; and
a sealing member that covers the plurality of light-emitting units and the light-transmitting region,
wherein the sealing member is fixed to at least one of a structure formed on the substrate and the substrate, directly or through an insulating layer, and
wherein a haze value of the light-emitting device is equal to or less than 2.0%.
2. The light-emitting device according to claim 1 ,
wherein the haze value is equal to or less than 1.4%.
3. The light-emitting device according to claim 1 ,
wherein the sealing member comprises a sealing plate, the sealing plate being fixed to the substrate and the structure with the insulating layer interposed therebetween.
4. The light-emitting device according to claim 3 , further comprising an inorganic film located between the light-emitting unit and the insulating layer.
5. The light-emitting device according to claim 3 ,
wherein a surface roughness of a first surface of the sealing plate is higher than a surface roughness of a second surface of the sealing plate, and
wherein the sealing plate is disposed so that the first surface thereof faces the light-emitting unit.
6. The light-emitting device according to claim 5 ,
wherein the first surface of the sealing plate comprises a resin layer.
7. The light-emitting device according to claim 6 ,
wherein the resin layer contains inorganic particles.
8. The light-emitting device according to claim 1 ,
wherein the sealing member comprises
an inorganic film formed over the light-emitting unit and the light-transmitting region, and
a resin layer formed on the inorganic film.
9. A light-emitting device comprising:
a light-transmitting substrate;
a plurality of light-emitting units formed on the substrate, each light-emitting unit comprising a light-transmitting first electrode, a light-reflective second electrode, and an organic layer located between the first electrode and the second electrode;
a light-transmitting region located between the plurality of light-emitting units; and
a sealing member that covers the light-emitting unit and the light-transmitting region,
wherein a first surface of the sealing member is fixed to at least one of a structure formed on the substrate and the substrate through an insulating layer,
wherein the first surface of the sealing member comprises a resin layer that contains inorganic particles, and
wherein a surface roughness of the first surface is higher than a surface roughness of a second surface of the sealing member opposite to the first surface.
10. A light-emitting system comprising:
a light-transmitting partition member that partitions a space from the outside; and
a light-emitting device fixed on the partition member,
wherein the light-emitting device comprises:
a light-transmitting substrate;
a plurality of light-emitting units formed on the substrate, each light-emitting unit comprising a light-transmitting first electrode, a light-reflective second electrode, and an organic layer located between the first electrode and the second electrode;
a light-transmitting region located between the plurality of light-emitting units; and
a sealing member that covers the plurality of light-emitting units and the light-transmitting region,
wherein the sealing member is fixed to at least one of a structure formed on the substrate and the substrate, directly or through an insulating layer, and
wherein a haze value of the light-emitting device is equal to or less than 2.0%.