Abstract: The present disclosure provides a color filter substrate, a method for producing the same and a display apparatus. The color filter substrate includes a base substrate; a photonic crystal layer located on the base substrate; a plurality of light emitting medium layers corresponding to pixels of different colors located on the photonic crystal layer, wherein the light emitting medium layer is capable of emitting light of corresponding color under excitation of light from a backlight source; a transflective layer located on the light emitting medium layers; wherein the photonic crystal layer is used to reflect the light emitted from the light emitting medium layers to the transflective layer, so that the light is oscillated and interferes between the photonic crystal layer and the transflective layer and finally exits from the transflective layer.

Abstract: An organic light emitting device includes: a substrate (200), and a first electrode layer (201), a second electrode layer (202), a color conversion layer (206), a first light emitting layer (203), and a second light emitting layer (204) that are stacked on the substrate (200), wherein the first light emitting layer (203) is disposed between the first electrode layer (201) and the second electrode layer (202), the first light emitting layer (203) emits the first emission light under electric excitation; the first electrode layer (201) is a transparent electrode layer, the first color conversion layer (206) is disposed at one side of the first electrode layer (201) away from the second electrode layer (202); the second light emitting layer (204) is disposed between the first light emitting layer (203) and the second electrode layer (202), the second light emitting layer (204) emits the second emission light under electric excitation; and a peak wavelength of the first emission light is larger than a peak wavele

Abstract: The embodiments of the present invention provide an organic electroluminescent device, manufacturing method thereof and display device, which relate to the field of display technology. The organic electroluminescent device comprises: a basal substrate with phase retardation characteristic; a polarization structure provided on a side of the basal substrate; a first organic electroluminescent unit located on a side of the polarization structure departing from the basal substrate; a side of the first organic electroluminescent unit departing from the basal substrate being the light exit side of the organic electroluminescent device; and at least a second organic electroluminescent unit located on a side of the basal substrate departing from the first organic electroluminescent unit. The light color of the organic electroluminescent device is adjustable; the color purity of the emitted light is relatively high. In addition, the contrast of the organic electroluminescent device is also high.

Abstract: A double-layer doped phosphorescent light emitting device and a fabrication method thereof are provided, and the double-layer doped phosphorescent light emitting device includes a light emitting double-layer, wherein the light emitting double-layer comprises a first light emitting layer and a second light emitting layer, the first light emitting layer and the second light emitting layer each include a host material and a guest material, the host material of the first light emitting layer is a hole type host material and the host material of the second light emitting layer is an electron type host material.

Abstract: The present disclosure provides an organic light-emitting diode (OLED) display device, a manufacturing method thereof, and a display apparatus containing the OLED display device. A pattern of an anode layer is formed over a base substrate. A graphene oxide layer is formed over the pattern of the anode layer by an electroplating process. The graphene oxide layer is used as an auxiliary layer or is used as at least one of a hole injection layer and a hole transport layer in the OLED display device. Since the graphene oxide material has high work function, the hole injection barrier may be reduced and to the hole injection and hole transport capability of the OLED display device may be enhanced to improve light emitting performance of the OLED display device.