Light-emitting display apparatus with sensors
View Patent ↗A display apparatus having both a personal authentication function and a high resolution is provided. The display apparatus includes a display portion and a sensor portion. The display portion includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first EL layer. The second light-emitting element includes a second EL layer. The sensor portion includes a light-receiving element. The first light-emitting element has a function of emitting infrared light. The light-receiving element has a function of detecting infrared light. A distance between the first EL layer and the second EL layer is less than or equal to 6 μm.
1 . A display apparatus comprising:
a display portion comprising a first light-emitting element and a second light-emitting element; and
a first sensor portion comprising a first light-receiving element,
a second sensor portion comprising a second light-receiving element,
wherein the first light-emitting element comprises a first electroluminescence (EL) layer,
wherein the second light-emitting element comprises a second EL layer,
wherein the first light-emitting element is configured to emit infrared light,
wherein each of the first light-receiving element and the second light-receiving element is configured to detect infrared light,
wherein the first light-receiving element is outside the display portion and on a rear surface side of the display portion, and
wherein the second light-receiving element overlaps with the display portion and is on the rear surface side of the display portion.
2 . The display apparatus according to claim 1 ,
wherein the second light-emitting element is configured to emit light of red, green, or blue.
3 . The display apparatus according to claim 1 ,
wherein each of the first EL layer and the second EL layer comprises an organic film.
4 . The display apparatus according to claim 1 ,
wherein the distance between the first EL layer and the second EL layer is less than or equal to 3 μm.
5 . The display apparatus according to claim 1 ,
wherein the first EL layer and the second EL layer are formed by a photolithography method so that the distance between the first EL layer and the second EL layer is less than or equal to 3 μm.
6 . A display apparatus comprising:
a display portion comprising a first light-emitting element and a second light-emitting element;
a sensor portion comprising a light-receiving element; and
a protective member and a housing,
wherein the first light-emitting element comprises a first electroluminescence (EL) layer,
wherein the second light-emitting element comprises a second EL layer,
wherein the first light-emitting element is configured to emit infrared light,
wherein the light-receiving element is configured to detect infrared light,
wherein the display portion and the sensor portion are placed in a region surrounded by the protective member and the housing,
wherein the display portion and the sensor portion are placed over the housing,
wherein the display portion comprises a first substrate and a second substrate,
wherein the first substrate is placed between the housing and each of the first light-emitting element and the second light-emitting element,
wherein the second substrate is placed between the protective member and each of the first light-emitting element and the second light-emitting element, and
wherein the second substrate and the protective member each have a light-transmitting property.
7 . A display apparatus comprising:
a display portion comprising a first light-emitting element and a second light-emitting element;
a sensor portion comprising a light-receiving element; and
a protective member and a housing,
wherein the first light-emitting element comprises a first electroluminescence (EL) layer,
wherein the second light-emitting element comprises a second EL layer,
wherein the first light-emitting element is configured to emit infrared light,
wherein the light-receiving element is configured to detect infrared light,
wherein the display portion and the sensor portion are placed in a region surrounded by the protective member and the housing,
wherein the sensor portion is placed over the housing, and
wherein the display portion is placed over the sensor portion.