Electronic device
An electronic device includes a base layer, a light-emitting element layer disposed on the base layer and including a pixel defining film in which an opening is defined and a light-emitting layer disposed in the opening, an inorganic deposition layer disposed on the light-emitting element layer, an encapsulation layer disposed on the inorganic deposition layer, and a light control layer disposed on the encapsulation layer and including a base part, light-absorbing particles having a maximum absorption wavelength of about 370 nm to about 400 nm, and a colorant. Therefore, the electronic device may have excellent optical reliability.
1 . An electronic device comprising:
a base layer;
a light-emitting element layer on the base layer and comprising a pixel defining film in which an opening is defined and a light-emitting layer in the opening, the light-emitting element layer further comprising a first electrode and a second electrode with the light-emitting layer therebetween;
an inorganic deposition layer on the light-emitting element layer;
an encapsulation layer on the inorganic deposition layer; and
a light control layer on the encapsulation layer and comprising a base part, light-absorbing particles having a maximum absorption wavelength of about 370 nm to about 400 nm, and a colorant.
2 . The electronic device of claim 1 , wherein the light-absorbing particles are about 0.01 wt % to about 5.00 wt % in amount in the light control layer based on a total weight of the light control layer.
3 . The electronic device of claim 2 , wherein the light-absorbing particles comprise at least one of SiO 2 , TiO 2 , CeO 2 , ZnO, ZrO 2 , Al 2 O 3 , CaCO 3 , MgO, GeO 2 , or Y 2 O 3 .
4 . The electronic device of claim 1 , wherein the light-absorbing particles have an average diameter of about 5 nm to about 100 nm.
5 . The electronic device of claim 1 , wherein the colorant comprises at least one of an anthraquinone-based compound, a phthalocyanine-based compound, an azo-based compound, a perylene-based compound, a xanthene-based compound, a dimonium-based compound, a dipyrromethene-based compound, a tetraazaporphyrin-based compound, a porphyrin-based compound, a squarylium-based compound, an oxazine-based compound, a triarylmethane-based compound, or a cyanine-based compound.
6 . The electronic device of claim 1 , further comprising a sensor layer between the encapsulation layer and the light control layer,
wherein the sensor layer is directly on the encapsulation layer.
7 . The electronic device of claim 1 , wherein the inorganic deposition layer comprises at least one of Al, Ag, Mg, Cr, Ti, Ni, Au, Ta, Cu, Ca, Co, Fe, Mo, W, Pt, Yb, SiO 2 , TiO 2 , ZrO 2 , Ta 2 O 5 , HfO 2 , Al 2 O 3 , ZnO, Y 2 O 3 , BeO, MgO, PbO 2 , WO 3 , SiNx, LIF, CaF 2 , MgF 2 , or CdS.
8 . The electronic device of claim 1 , wherein the light control layer has a minimum perceptible color difference (MPCD) change amount before and after irradiation with ultraviolet light of about 10 or less.
9 . The electronic device of claim 1 , wherein the light control layer has a transmittance of about 10% or less with respect to light having a wavelength of about 370 nm to about 400 nm.
10 . The electronic device of claim 1 , wherein the light control layer is provided as a single layer.
11 . The electronic device of claim 1 , wherein the inorganic deposition layer is provided as a single layer.
12 . An electronic device divided into a light-emitting region and a non-light-emitting region adjacent to the light-emitting region, the electronic device comprising:
a display module; and
a window on the display module,
wherein the display module comprises:
a base layer;
a light-emitting element layer on the base layer and comprising a pixel defining film in which an opening overlapping the light-emitting region is defined, and a light-emitting layer in the opening, the light-emitting element layer further comprising a first electrode and a second electrode with the light-emitting layer therebetween;
an inorganic deposition layer on the light-emitting element layer;
an encapsulation layer on the inorganic deposition layer; and
a light control layer on the encapsulation layer and comprising a base part, light-absorbing particles, and a colorant, the light control layer having a transmittance of about 10% or less with respect to light having a wavelength of about 370 nm to about 400 nm, and
the light-absorbing particles comprise at least one of SiO 2 , TiO 2 , CeO 2 , ZnO, ZrO 2 , Al 2 O 3 , CaCO 3 , MgO, GeO 2 , or Y 2 O 3 .
13 . The electronic device of claim 12 , wherein the light-absorbing particles have a maximum absorption wavelength in a range of about 370 nm to about 400 nm.
14 . The electronic device of claim 12 , wherein the light-absorbing particles are about 0.01 wt % to about 5.00wt % in amount in the light control layer based on a total weight of the light control layer.
15 . The electronic device of claim 12 , wherein the light-absorbing particles have an average diameter of about 5 nm to about 100 nm.
16 . The electronic device of claim 12 , wherein the light control layer overlaps the light-emitting region and the non-light-emitting region, and is provided as a single layer.
17 . The electronic device of claim 16 , wherein the light control layer is on an uppermost part of the display module.
18 . The electronic device of claim 12 , wherein the inorganic deposition layer overlaps the light-emitting region and the non-light-emitting region, and is provided as a single layer.
19 . The electronic device of claim 12 , wherein the inorganic deposition layer comprises at least one of Al, Ag, Mg, Cr, Ti, Ni, Au, Ta, Cu, Ca, Co, Fe, Mo, W, Pt, Yb, SiO 2 , TiO 2 , ZrO 2 , Ta 2 O 5 , HfO 2 , Al 2 O 3 , ZnO, Y 2 O 3 , BeO, MgO, PbO 2 , WO 3 , SiNx, LIF, CaF 2 , MgF 2 , or CdS.
20 . The electronic device of claim 12 , wherein the light control layer is free from any polarization layer.