A display panel comprising: a quantum dot converter comprising at least one quantum dot element, said quantum dot converter being configured to convert a blue-based light emitted from a light source into a green-based light and a red-based light using said at least one quantum dot element and to emit the green-based light and the red-based light; and a light transmitter (6, 16a, 118a) configured to transmit a part of the blue-based light emitted from the light source, and to convert a remaining part of the blue-based light which has not been transmitted, into green-based light and to emit the green-based light with the transmitted blue-based light, wherein the light transmitter comprises: a main body comprising a light transmitting material, and at least one converting element dispersed in the main body, wherein the at least one converting element comprises a first green light converting element configured to convert the blue-based light into green-based light, and wherein the quantum dot converter comprises: at least one red light quantum dot element (4, 16b, 118b) configured to convert the blue-based light and to emit red light; and at least one green light quantum dot element (5, 16c, 118c) configured to convert the blue-based light and to emit green light; wherein the display panel further comprises a filter configured to filter a part of the light emitted from the quantum dot converter, the filter comprising a blue light cut-off filter configured to filter blue-based light of the light emitted from the quantum dot converter, and wherein the display panel further comprises a substrate on which the quantum dot converter and the light transmitter are disposed, wherein the at least one red light quantum dot element, the at least one green light quantum dot element, and the light transmitter are disposed in a predetermined pattern. a quantum dot converter comprising at least one quantum dot element, said quantum dot converter being configured to convert a blue-based light emitted from a light source into a green-based light and a red-based light using said at least one quantum dot element and to emit the green-based light and the red-based light; and a light transmitter (6, 16a, 118a) configured to transmit a part of the blue-based light emitted from the light source, and to convert a remaining part of the blue-based light which has not been transmitted, into green-based light and to emit the green-based light with the transmitted blue-based light, wherein the light transmitter comprises: a main body comprising a light transmitting material, and at least one converting element dispersed in the main body, wherein the at least one converting element comprises a first green light converting element configured to convert the blue-based light into green-based light, and wherein the quantum dot converter comprises: at least one red light quantum dot element (4, 16b, 118b) configured to convert the blue-based light and to emit red light; and at least one green light quantum dot element (5, 16c, 118c) configured to convert the blue-based light and to emit green light; wherein the display panel further comprises a filter configured to filter a part of the light emitted from the quantum dot converter, the filter comprising a blue light cut-off filter configured to filter blue-based light of the light emitted from the quantum dot converter, and wherein the display panel further comprises a substrate on which the quantum dot converter and the light transmitter are disposed, wherein the at least one red light quantum dot element, the at least one green light quantum dot element, and the light transmitter are disposed in a predetermined pattern. at least one red light quantum dot element (4, 16b, 118b) configured to convert the blue-based light and to emit red light; and at least one green light quantum dot element (5, 16c, 118c) configured to convert the blue-based light and to emit green light; wherein the display panel further comprises a filter configured to filter a part of the light emitted from the quantum dot converter, the filter comprising a blue light cut-off filter configured to filter blue-based light of the light emitted from the quantum dot converter, and wherein the display panel further comprises a substrate on which the quantum dot converter and the light transmitter are disposed, wherein the at least one red light quantum dot element, the at least one green light quantum dot element, and the light transmitter are disposed in a predetermined pattern.