Display device including organic sensor layer with colorant
A display device includes a display panel, a sensor layer on the display panel, and a light control layer on the sensor layer and including a first colorant. The display panel includes a base substrate including a first light-emitting region emitting a first color light, and a second light-emitting region emitting a second color light having a light-emitting wavelength, a light-emitting element on the base substrate, and an encapsulation layer on the light-emitting element, and the sensor layer includes a sensor base layer on the encapsulation layer, a first conductive layer on the sensor base layer, an organic insulating film on the first conductive layer and including a second colorant, a second conductive layer on the organic insulating film, and an upper insulating layer on the second conductive layer. The organic insulating film overlaps the first light-emitting region.
1 . A display device comprising:
a display panel;
a sensor layer disposed on the display panel; and
a light control layer disposed on the sensor layer and comprising a first colorant, wherein
the display panel comprises:
a base substrate in which a first light-emitting region that emits a first color light and a second light-emitting region that emits a second color light having a light-emitting wavelength different from a light-emitting wavelength of the first color light are defined;
a light-emitting element disposed on the base substrate; and
an encapsulation layer disposed on the light-emitting element, and
the sensor layer comprises:
a sensor base layer disposed on the encapsulation layer;
a first conductive layer disposed on the sensor base layer;
an organic insulating film disposed on the first conductive layer and comprising a second colorant, the organic insulating film overlapping the first light-emitting region;
a second conductive layer disposed on the organic insulating film;
an upper insulating layer disposed on the second conductive layer; and
an additional insulating film disposed on the first conductive layer and overlapping the second light-emitting region.
2 . The display device of claim 1 , wherein
the first color light is red light, and
the second color light is green light or blue light.
3 . The display device of claim 1 , wherein the organic insulating film transmits the first color light and absorbs the second color light.
4 . The display device of claim 1 , wherein, in a wavelength range of about 400 nm to about 520 nm, a light transmittance of the organic insulating film is about 30% or less.
5 . The display device of claim 1 , wherein the organic insulating film further comprises a scatterer.
6 . The display device of claim 1 , wherein the upper insulating layer overlaps the first light-emitting region and the second light-emitting region.
7 . The display device of claim 1 , further comprising:
a light blocking member disposed on the sensor layer and including a light blocking opening overlapping the first light-emitting region and the second light-emitting region.
8 . The display device of claim 7 , wherein the organic insulating film overlaps at least a portion of the light blocking member.
9 . The display device of claim 1 , wherein an opening overlapping the second light-emitting region is formed in the organic insulating film.
10 . The display device of claim 9 , wherein a portion of the light control layer is disposed in the opening of the organic insulating film.
11 . The display device of claim 1 , wherein the light-emitting element comprises:
a first electrode disposed on the base substrate and overlapping the first light-emitting region and the second light-emitting region;
a hole transport region disposed on the first electrode;
a first light-emitting layer disposed on the hole transport region and overlapping the first light-emitting region, the first light-emitting layer that emits the first color light;
a second light-emitting layer disposed on the hole transport region and overlapping the second light-emitting region, the second light-emitting layer that emits the second color light;
an electron transport region disposed on the first light-emitting layer and the second light-emitting layer;
a second electrode disposed on the electron transport region; and
a capping layer disposed on the second electrode.
12 . The display device of claim 1 , wherein the display panel further comprises an inorganic deposition layer disposed between the light-emitting element and the encapsulation layer.
13 . The display device of claim 1 , wherein:
a third light-emitting region that emits a third color light having a light-emitting wavelength different from light-emitting wavelengths of the first color light and the second color light is defined on the base substrate, and
the organic insulating film does not overlap the second light-emitting region and the third light-emitting region.
14 . A display device comprising:
a display panel;
a sensor layer disposed on the display panel; and
a light control layer disposed on the sensor layer and comprising a first colorant, wherein
the display panel comprises:
a base substrate in which a first light-emitting region that emits a first color light, a second light-emitting region that emits a second color light different from the first color light, and a third light-emitting region that emits a third color light different from the first color light and the second color light are defined;
a light-emitting element disposed on the base substrate; and
an encapsulation layer disposed on the light-emitting element, and
the sensor layer comprises:
a sensor base layer disposed on the encapsulation layer;
a first conductive layer disposed on the sensor base layer;
an organic insulating film overlapping the first light-emitting region and comprising a second colorant;
an inorganic insulating film overlapping the second light-emitting region and the third light-emitting region;
a second conductive layer disposed on the organic insulating film and the inorganic insulating film; and
an upper insulating layer disposed on the second conductive layer.
15 . The display device of claim 14 , wherein the organic insulating film and the inorganic insulating film are disposed on a same layer.
16 . A display device comprising:
a base substrate in which a first light-emitting region that emits a first color light, a second light-emitting region that emits a second color light different from the first color light, and a light blocking region adjacent to the first light-emitting region and the second light-emitting region are defined;
a light-emitting element disposed on the base substrate and comprising a first light-emitting element overlapping the first light-emitting region and a second color light emitting element overlapping the second light-emitting region;
an encapsulation layer disposed on the light-emitting element;
a sensor base layer disposed on the encapsulation layer;
a first conductive layer disposed on the sensor base layer;
an organic insulating film disposed on the first conductive layer and including an opening overlapping the second light-emitting region;
a second conductive layer disposed on the organic insulating film;
an upper insulating layer disposed on the second conductive layer;
a light blocking member disposed on the upper insulating layer, including a light blocking opening overlapping the first light-emitting region and the second light-emitting region, and overlapping the light blocking region; and
a light control layer filling the opening of the organic insulating film and the light blocking opening of the light blocking member, disposed on the light blocking member, and comprising a first colorant.
17 . The display device of claim 16 , wherein
the first color light is red light, and
the second color light is green light or blue light.
18 . The display device of claim 16 , wherein each of the organic insulating film and the light control layer are in contact with an upper surface of the sensor base layer.
19 . The display device of claim 16 , wherein the organic insulating film overlaps the first light-emitting region and the light blocking region and does not overlap the second light-emitting region.
20 . An electronic device comprising:
a display device comprising:
a display panel;
a sensor layer disposed on the display panel; and
a light control layer disposed on the sensor layer and comprising a first colorant, wherein
the display panel comprises:
a base substrate in which a first light-emitting region that emits a first color light and a second light-emitting region that emits a second color light having a light-emitting wavelength different from a light-emitting wavelength of the first color light are defined;
a light-emitting element disposed on the base substrate; and
an encapsulation layer disposed on the light-emitting element, and the sensor layer comprises:
a sensor base layer disposed on the encapsulation layer;
a first conductive layer disposed on the sensor base layer;
an organic insulating film disposed on the first conductive layer and comprising a second colorant, the organic insulating film overlapping the first light-emitting region;
a second conductive layer disposed on the organic insulating film;
an upper insulating layer disposed on the second conductive layer; and
an additional insulating film disposed on the first conductive layer and overlapping the second light-emitting region.