Color converter layer and manufacturing method thereof
A color converter layer is provided. The color converter layer includes a first light blocking member in which a plurality of pixel regions comprising a first pixel region and a second pixel region are disposed to be spaced apart from each other, a first color converter disposed in the first pixel region for converting and emitting incident light into a first color, a second color converter disposed in the second pixel region for converting and emitting the incident light into a second color different from the first color, and a second light blocking member that extends with a preset thickness and is formed on a surface of the first light blocking member, and blocks transmission of the incident light into an adjacent pixel region by partitioning the first pixel region and the second pixel region. The preset thickness may be greater than the thickness of the first light blocking member.
1 . A color converter layer comprising:
a first light blocking member in which a plurality of pixel regions comprising a first pixel region and a second pixel region are disposed to be spaced apart from each other;
a first color converter disposed in the first pixel region and configured to convert incident light into a first color and emit the incident light in the first color;
a second color converter disposed in the second pixel region and configured to:
convert the incident light into a second color that is different from the first color, and
emit the incident light in the second color; and
a second light blocking member that extends with a preset thickness and is formed on a surface of the first light blocking member, and is configured to block transmission of the incident light into an adjacent pixel region by partitioning the first pixel region and the second pixel region,
wherein the preset thickness of the second light blocking member is greater than a thickness of the first light blocking member,
wherein the second light blocking member comprises a first region and a second region,
wherein the first region and the second region are configured to support a lateral portion in a row direction and a column direction of optical resin,
wherein the first region is thicker than the second region in a direction extending downward toward the first light blocking member, and
wherein the optical resin surrounds each of a plurality of light sources with a structure in which an upper surface is curved and configured to guide incident light emitted from the plurality of light sources in a direction of the first color converter or the second color converter.
2 . The color converter layer of claim 1 , wherein the plurality of pixel regions comprise:
a plurality of first pixel regions being arranged in a column direction in a matrix structure; and
a second pixel region being arranged in a column direction adjacent to a row direction of the plurality of first pixel regions.
3 . The color converter layer of claim 2 ,
wherein the first region configured to partition the plurality of pixel regions in a column direction of the matrix structure; and
wherein the second region configured to partition the plurality of pixel regions in a row direction of the matrix structure,
wherein the first region has the preset thickness.
4 . The color converter layer of claim 3 , wherein the second region of the second light blocking member has a thickness less than or equal to the preset thickness of the first region.
5 . The color converter layer of claim 3 , wherein the first region of the second light blocking member has an area less than or equal to a facing area of the first light blocking member.
6 . The color converter layer of claim 3 , wherein the second region of the second light blocking member has an area less than or equal to a facing area of the first light blocking member.
7 . The color converter layer of claim 1 , wherein at least a part of an area of a surface of the second light blocking member that is parallel to the surface of the first light blocking member is ink-phobic.
8 . The color converter layer of claim 1 , comprising:
an intermediate layer provided between the first light blocking member and the second light blocking member,
wherein the intermediate layer has a thickness less than or equal to the preset thickness of the second light blocking member.
9 . The color converter layer of claim 8 ,
wherein the intermediate layer has an area less than or equal to an area of a facing region of the first light blocking member, and
wherein the second light blocking member has an area less than or equal to an area of a facing region of the intermediate layer.
10 . The color converter layer of claim 8 , wherein the intermediate layer is formed of a plurality of layers.
11 . The color converter layer of claim 1 ,
wherein the second light blocking member is disposed to be spaced apart from the surface of the first light blocking member, and
wherein the second light blocking member comprises an adhesive layer filling between the first light blocking member and the second light blocking member.
12 . The color converter layer of claim 1 , wherein the optical resin disposed on the first pixel region partitioned by the second light blocking member and at least a part is curved in the direction of the first light blocking member.
13 . The color converter layer of claim 1 , wherein the first light blocking member comprises:
a third pixel region disposed to be spaced apart from the first pixel region and the second pixel region; and
a transmission layer disposed on the third pixel region to transmit the incident light.
14 . A method of manufacturing a color converter layer, the method comprising:
patterning and forming, on a substrate, a first light blocking member that defines a plurality of pixel regions in a matrix format;
patterning and forming a second light blocking member that extends with a preset thickness greater than a thickness of the first light blocking member on a surface of the first light blocking member and partitions a column direction of the plurality of pixel regions;
applying a first color converter that converts incident light into a first color between the second light blocking members in a column direction of the plurality of pixel regions; and
applying a second color converter that converts the incident light into a second color that is different from the first color to be adjacent with the first color converter, in a column direction of the plurality of pixel regions,
wherein the second light blocking member comprises a first region and a second region,
wherein the first region and the second region are configured to support a lateral portion in a row direction and a column direction of optical resin,
wherein the first region is thicker than the second region in a direction extending downward toward the first light blocking member, and
wherein the optical resin surrounds each of a plurality of light sources with a structure in which an upper surface is curved and configured to guide incident light emitted from the plurality of light sources in the direction of the first color converter or the second color converter.
15 . The method of claim 14 , wherein the applying of the first color converter comprises controlling an electronic field of a dispenser nozzle and applying the first color converter in a dispensing manner.
16 . The method of claim 15 , wherein the controlling of the electronic field comprises applying a high voltage to a pump of the dispenser nozzle so as to apply the first color converter based on a flow of current or charge of the electronic field.
17 . The method of claim 14 , wherein the substrate is part of display panel of an electronic device.
18 . The method of claim 14 , further comprising performing a wetting control process prior to applying the first color converter.
19 . The color converter layer of claim 1 , wherein the second light blocking member has an area equal to or smaller than the area of the first light blocking member.