Display device
A display device is provided. The display device includes: a display substrate on which a plurality of light-emitting areas are defined; and a color conversion substrate on which a plurality of light-transmitting areas respectively associated with the plurality of light-emitting areas and light-blocking areas between the plurality of light-transmitting areas are defined, the color conversion substrate comprising color patterns in the light-blocking areas, and light-blocking members on the color patterns, wherein at least one of the light-emitting areas has an area smaller than the area of the light-transmitting area that overlaps it in a thickness direction, and the color patterns include a blue colorant.
1 . A display device comprising:
a display substrate on which a first light-emitting area, a second light-emitting area and a third light-emitting area are defined; and
a color conversion substrate on the display substrate, the color conversion substrate comprising:
a base including a first light-transmitting area that overlaps the first light-emitting area, a second light-transmitting area that overlaps the second light-emitting area and third first light-transmitting area that overlaps the third light-emitting area,
a first color filter on the base that overlaps the first light-emitting area,
a second color filter on the base that overlaps the second light-emitting area, and
a third color filter on the base that overlaps the first light-emitting area,
wherein the first light-emitting area has an area smaller than an area of the first light-transmitting area,
wherein the second light-emitting area has an area smaller than an area of the second light-transmitting area,
wherein the third light-emitting area has an area smaller than an area of the third light-transmitting area,
wherein a thickness of the third color filter is less than a thickness of the first color filter and a thickness of the second color filter,
wherein the color conversion substrate further comprises a first wavelength conversion pattern on the first color filter, a second wavelength conversion pattern on the first color filter, a light transmission pattern on the third color filter, a first capping layer that covers the first color filter, the second color filter and the third color filter, and a second capping layer on the first capping layer and covering the first wavelength conversion pattern, the second wavelength conversion pattern and the light transmission pattern,
wherein the first color filter, the second color filter and the third color filter are disposed between the base and the first capping layer,
wherein the first wavelength conversion pattern, the second wavelength conversion pattern and the light transmission pattern are disposed between the first capping layer and the second capping layer, and
wherein the first capping layer directly contacts the second capping layer between the first wavelength conversion pattern and the second wavelength conversion pattern.
2 . The display device of claim 1 ,
wherein the area of the first light-emitting area, the area of the second light-emitting area and the area of the third light-emitting area are different from each other.
3 . The display device of claim 2 ,
wherein the area of the first light-emitting area is larger than the area of the second light-emitting area, and
wherein the area of the second light-emitting area is larger than the area of the third light-emitting area.
4 . The display device of claim 2 ,
wherein the area of the first light-transmitting area, the area of the second light-transmitting area and the area of the third light-transmitting area are different from each other.
5 . The display device of claim 4 ,
wherein the area of the first light-transmitting area is larger than the area of the second light-transmitting area, and
wherein the area of the second light-transmitting area is larger the area of the third light-transmitting area.
6 . The display device of claim 5 ,
wherein the first color filter is a red color filter,
wherein the second color filter is a green color filter, and
wherein the third color filter is a blue color filter.
7 . The display device of claim 1 ,
wherein the light transmission pattern is configured to transmit an incident light and comprises a scatterer.
8 . The display device of claim 7 ,
wherein the first wavelength conversion pattern comprises a first quantum dot, and
wherein the second wavelength conversion pattern comprises a second quantum dot.
9 . The display device of claim 8 ,
wherein the first capping layer comprises an inorganic material, and
wherein the first wavelength conversion pattern, the second wavelength conversion pattern and the light transmission pattern are on the first capping layer.
10 . The display device of claim 9 ,
wherein the second capping layer comprises an inorganic material.
11 . The display device of claim 10 , further comprising:
an anti-color-mixing member on the second capping layer and between the light transmission pattern and the first wavelength conversion pattern and between the first wavelength conversion pattern and the second wavelength conversion pattern.
12 . The display device of claim 9 , further comprising:
a partition wall on the first capping layer,
wherein the partition wall comprises a first portion between the first wavelength conversion pattern and the second wavelength conversion pattern, and a second portion between the second wavelength conversion pattern and the light transmission pattern,
wherein the second capping layer covers the partition wall.
13 . The display device of claim 1 , wherein the base further comprises a first light-blocking area between the first light-transmitting area and the second light-transmitting area and a second light-blocking area between the second light-transmitting area and the third light-transmitting area,
wherein the color conversion substrate further comprises a first color pattern on the base that overlaps the first light-blocking area, and a second color pattern on the base that overlaps the second light-blocking area,
wherein the third color filter comprises a same colorant as the first color pattern and the second color pattern.
14 . The display device of claim 13 , wherein the third color filter is formed integrally with the first color pattern and the second color pattern.
15 . The display device of claim 13 , wherein the color conversion substrate further comprises a first light-blocking member on the first color pattern,
wherein a width of the first light-blocking member is smaller than a width of the first color pattern.
16 . The display device of claim 1 , wherein the display substrate further comprises a light emitting layer,
wherein the light emitting layer comprises a first portion in the first light-emitting area, a second portion in the second light-emitting area, and a third portion in the third light-emitting area,
wherein the first portion of the light emitting layer, the second portion of the light emitting layer, and the third portion of the light emitting layer emit light of a same color.