Display device, display panel and manufacturing method thereof

A manufacturing method for a display panel, comprising:

• forming a driving backplane;
• forming a light emitting layer on a side of the driving backplane, wherein the light emitting layer comprises a plurality of light emitting devices comprising a first light emitting device by which light of a first color is emitted;
• forming a chiral liquid crystal layer on a side of the light emitting layer away from the driving backplane, wherein the chiral liquid crystal layer is configured to transmit circularly polarized light of the first color in a first handedness and reflect circularly polarized light of the first color in a second handedness, and the first handedness is opposite to the second handedness;
• and
• forming a circularly polarization layer on a side of the chiral liquid crystal layer away from the driving backplane, wherein the circularly polarization layer is configured to convert light incident from a side of the circularly polarization layer away from the driving backplane into circularly polarized light in the first handedness, and convert light incident from a side of the circularly polarization layer close to the light emitting device into linearly polarized light,
• wherein the manufacturing method further comprises:
• forming a filter layer, wherein the filter layer is disposed between the light emitting layer and the chiral liquid crystal layer, and is provided with a plurality of openings comprising a first through hole corresponding to the first light emitting device, a buffering function and a filtering function are provided by the filter layer, and the filter layer is configured to absorb the light of the first color;
• wherein the manufacturing method further comprises:
• forming a touch layer, and forming the touch layer further comprises:
• forming a first conductive layer on a surface of the filter layer away from the driving backplane;
• forming an isolation layer covering the first conductive layer, wherein the isolation layer is provided with a via hole by which a partial area of the first conductive layer is exposed;
• forming a second conductive layer on a surface of the isolation layer away from the driving backplane, wherein the second conductive layer is coupled to the first conductive layer through the via hole;
• and
• forming a protective layer covering the second conductive layer and the isolation layer, wherein the chiral liquid crystal layer is disposed on a side of the protective layer away from the driving backplane, the protective layer is in direct contact with the chiral liquid crystal layer, and a refractive index of the chiral liquid crystal layer is greater than a refractive index of the protective layer.

A display device, comprising a display panel,

• wherein the display panel comprises:
• a driving backplane;
• a light emitting layer, disposed on a side of the driving backplane, and comprising a plurality of light emitting devices comprising a first light emitting device by which light of a first color is emitted;
• a chiral liquid crystal layer, disposed on a side of the light emitting layer away from the driving backplane, wherein the chiral liquid crystal layer is configured to transmit circularly polarized light of the first color in a first handedness and reflect circularly polarized light of the first color in a second handedness, and the first handedness is opposite to the second handedness;
• and
• a circularly polarization layer, disposed on a side of the chiral liquid crystal layer away from the driving backplane, wherein the circularly polarization layer is configured to convert light incident from a side of the circularly polarization layer away from the driving backplane into circularly polarized light in the first handedness, and convert light incident from a side of the circularly polarization layer close to the light emitting layer into linearly polarized light,
• wherein the display panel further comprises:
• a filter layer, wherein the filter layer is disposed between the light emitting layer and the chiral liquid crystal layer, a buffering function and a filtering function are provided by the filter layer, the filter layer is provided with a plurality of openings comprising a first through hole corresponding to the first light emitting device, and the filter layer is configured to absorb the light of the first color;
• wherein the display panel further comprises a touch layer, and the touch layer comprises:
• a first conductive layer, disposed on a surface of the filter layer away from the driving backplane;
• an isolation layer, by which the first conductive layer is covered and provided with a via hole by which a partial area of the first conductive layer is exposed;
• a second conductive layer, disposed on a surface of the isolation layer away from the driving backplane, and coupled to the first conductive layer through the via hole;
• and
• a protective layer, by which the second conductive layer and the isolation layer are covered, wherein the chiral liquid crystal layer is disposed on a side of the protective layer away from the driving backplane, the protective layer is in direct contact with the chiral liquid crystal layer, and a refractive index of the chiral liquid crystal layer is greater than a refractive index of the protective layer.