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US 12,740,282 B2Granted
Color panel and display apparatus including the same
AssigneeSamsung Display Co., Ltd.
InventorsJangil Kim, Jonghoon Kim, Jeaheon Ahn, Seokjoon Hong
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Abstract
According to one or more embodiments, a color panel includes: a substrate including a display area and a non-display area at least partially surrounding the display area, the display area including a plurality of pixel areas; a color filter layer arranged on the substrate to transmit incident light of a particular wavelength band; and a color conversion layer arranged on the color filter layer and including a plurality of quantum dots to convert the incident light into light of a particular wavelength band and to output the converted light, wherein the color conversion layer includes a dummy element that is apart from the display area and is arranged in the non-display area.
Claims17
A color panel comprising:
- a substrate comprising a display area and a non-display area at least partially surrounding the display area, the display area comprising a plurality of pixel areas;
- a color filter layer on the substrate;
- a color conversion layer on the color filter layer, the color conversion layer comprising a dummy element that is apart from the display area and is in the non-display area;
- a capping layer on the color conversion layer, the capping layer comprising a transmissive inorganic insulating material;
- a light-shielding member between the substrate and the color conversion layer, the light-shielding member being in the non-display area and between any two pixel areas of the plurality of pixel areas,
- a dummy color filter that is apart from the dummy element and is in at least a portion of the non-display area,
- wherein the color conversion layer further comprises a plurality of quantum dots and light-scattering particles,
- wherein the plurality of quantum dots are to convert light incident on the color conversion layer into converted light having wavelength bands comprising a first wavelength band and a second wavelength band, different from a third wavelength band of the light incident on the color conversion layer, and output the converted light,
- wherein the light-scattering particles are to transmit the light of the third wavelength band incident on the color conversion layer,
- wherein the dummy element is between the display area and the dummy color filter,
- wherein the dummy element and the dummy color filter do not overlap with each other in a thickness direction of the color panel and have at least a portion of the capping layer therebetween,
- wherein the dummy color filter comprises a double-layer structure comprising a first dummy color filter and a second dummy color filter stacked in the thickness direction of the color panel,
- wherein the first dummy color filter and the second dummy color filter comprise different materials,
- wherein the capping layer covers the dummy element and dummy color filter,
- wherein the plurality of pixel areas comprises a first pixel area, a second pixel area, and a third pixel area, and
- the color filter layer comprises:
- a first color filter to cover the first pixel area and configured to transmit light of the first wavelength band;
- a second color filter to cover the second pixel area and configured to transmit light of the second wavelength band;
- and
- a third color filter to cover the third pixel area and configured to transmit light of the third wavelength band,
- wherein the first wavelength band, the second wavelength band, and the third wavelength band are each different wavelength bands,
- wherein the color panel further comprises:
- a light-shielding color filter between the substrate and the light-shielding member and in direct contact with the light-shielding member, the light-shielding color filter corresponding to an area between the first pixel area and the second pixel area, and
- the light-shielding color filter comprises the same material as that of the third color filter.
21 more elements
A display apparatus comprising:
- a display panel comprising a plurality of emission elements;
- and
- a color panel on the display panel and comprising a plurality of pixel areas to overlap the plurality of emission elements,
- wherein the color panel further comprises:
- a substrate comprising a display area and a non-display area surrounding the display area, the display area comprising the plurality of pixel areas;
- a light-shielding member arranged to correspond to the non-display area;
- a color filter layer;
- a color conversion layer on the color filter layer, the color conversion layer comprising a dummy element that is apart from the display area and is in the non-display area;
- a capping layer on the color conversion layer, the capping layer comprising a transmissive inorganic insulating material;
- and
- a dummy color filter that is apart from the dummy element and is in at least in a portion of the non-display area,
- wherein the color conversion layer further comprises a plurality of elements in the display area,
- wherein the dummy element is between the display area and the dummy color filter,
- wherein the dummy element and the dummy color filter do not overlap with each other in a thickness direction of the color panel and have at least a portion of the capping layer therebetween,
- wherein the dummy color filter comprises a double-layer structure comprising a first dummy color filter and a second dummy color filter stacked in the thickness direction of the color panel,
- wherein the first dummy color filter and the second dummy color filter comprise different materials,
- wherein one of the plurality of elements of the color conversion layer comprises a first portion located in the display area and a second portion, integral with the first portion, and located in the non-display area,
- wherein the capping layer covers the dummy element and dummy color filter, and
- wherein the plurality of pixel areas comprises a first pixel area, a second pixel area, and a third pixel area,
- wherein the color filter layer comprises:
- a first color filter to cover the first pixel area and configured to transmit light of a first wavelength band;
- a second color filter to cover the second pixel area and configured to transmit light of a second wavelength band;
- and
- a third color filter to cover the third pixel area and configured to transmit light of a third wavelength band,
- wherein the first wavelength band, the second wavelength band, and the third wavelength band are each different wavelength bands,
- wherein the color panel further comprises:
- a light-shielding filter between the first color filter and the second color filter, in direct contact with the light-shielding member, and comprising the same material as that of the third color filter.
24 more elements
A display apparatus comprising:
- a display panel comprising a first emission element, a second emission element, and a third emission element;
- and
- a color panel on the display panel and comprising a plurality of pixel areas, wherein
- the color panel comprises:
- a substrate comprising a display area and a non-display area at least partially surrounding the display area,
- a color filter layer on the substrate,
- a color conversion layer on the color filter layer, the color conversion layer comprising a dummy element that is apart from the display area and is in the non-display area,
- a capping layer on the color conversion layer, the capping layer comprising a transmissive inorganic insulating material,
- a light-shielding member between the substrate and the color conversion layer,
- a dummy color filter that is apart from the dummy element and is in at least in a portion of the non-display area,
- wherein the color conversion layer further comprises a plurality of quantum dots and light-scattering particles,
- wherein the plurality of quantum dots are to convert light incident on the color conversion layer and of a third wavelength band into converted light having wavelength bands comprising a first wavelength band and a second wavelength band and output the converted light,
- wherein the plurality of quantum dots comprise first quantum dots and second quantum dots,
- wherein the light-scattering particles are to transmit light of the third wavelength band incident on the color conversion layer, and
- wherein the color conversion layer comprises;
- a first element to overlap a first emission element,
- a second element to overlap a second emission element,
- a third element to overlap a third emission element, and
- a dummy element in at least a portion of the non-display area,
- wherein the first element, the second element, the third element, and the dummy element are apart from one another,
- wherein the dummy element is between the display area and the dummy color filter,
- wherein the dummy element and the dummy color filter do not overlap with each other in a thickness direction of the color panel and have at least a portion of the capping layer therebetween,
- wherein the dummy color filter comprises a double-layer structure comprising a first dummy color filter and a second dummy color filter stacked in the thickness direction of the color panel,
- wherein the first dummy color filter and the second dummy color filter comprise different materials,
- wherein the capping layer covers the dummy element and dummy color filter, and
- wherein the plurality of pixel areas comprises a first pixel area, a second pixel area, and a third pixel area,
- wherein the color filter layer comprises:
- a first color filter to cover the first pixel area and configured to transmit light of the first wavelength band;
- a second color filter to cover the second pixel area and configured to transmit light of the second wavelength band;
- and
- a third color filter to cover the third pixel area and configured to transmit light of the third wavelength band,
- wherein the first wavelength band, the second wavelength band, and the third wavelength band are each different wavelength bands,
- wherein the color panel further comprises:
- a material portion between the first color filter and the second color filter, in direct contact with the light-shielding member, and comprising the same material as that of the third color filter.
31 more elements
Dependencies are inferred from the claim text.