Abstract: The present disclosure provides an organic light-emitting diode display substrate. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate and a white OLED display unit on the base substrate, and further includes: an optical adjustment structure on a light emitting side of the white OLED display unit, where the optical adjustment structure is in a peripheral region of each pixel region. The optical adjustment structure is configured to absorb light in a first wavelength range or convert light in a first wavelength range into light in a second wavelength range.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: An array substrate is disclosed and includes: a base substrate (1); an excitation light source (2) on a side of the base substrate (1); and a sub pixel on a side of the excitation light source (2) facing away from the base substrate (1). The sub pixel at least includes a first-kind sub pixel (3). The first-kind sub pixel (3) includes a first quantum dot conversion layer (31), a first recycling component layer (32) and a first color film layer (33) sequentially located on the side of the excitation light source (2) facing away from the base substrate (1), and the first recycling component layer (32) is configured to limit at least part of light with a wavelength smaller than a wavelength of emergent light of the first-kind sub pixel (3) into the first recycling component layer (32) and the first quantum dot conversion layer (31).

Abstract: An array substrate is disclosed and_includes: a base substrate (1); an excitation light source (2) on a side of the base substrate (1); and a sub pixel on a side of the excitation light source (2) facing away from the base substrate (1). The sub pixel at least includes a first-kind sub pixel (3). The first-kind sub pixel (3) includes a first quantum dot conversion layer (31), a first recycling component layer (32) and a first color film layer (33) sequentially located on the side of the excitation light source (2) facing away from the base substrate (1), and the first recycling component layer (32) is configured to limit at least part of light with a wavelength smaller than a wavelength of emergent light of the first-kind sub pixel (3) into the first recycling component layer (32) and the first quantum dot conversion layer (31).

Abstract: The present disclosure provides an organic light-emitting diode display substrate. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.

Abstract: A light emitting device and a displaying device. The light emitting device includes a first electrode, a second electrode, and a light emitting unit located between the first electrode and the second electrode, and the light emitting unit includes a doped electron-barrier layer, a blue-light host layer and a doped blue-light host layer that are stacked; the doped electron-barrier layer includes an electron-barrier host material and a first guest material that is doped in the electron-barrier host material; the blue-light host layer includes a first blue-light host material; the doped blue-light host layer includes a second blue-light host material and a second guest material that is doped in the second blue-light host material; and a singlet-state energy level of the first blue-light host material is higher than a singlet-state energy level of the first guest material and a singlet-state energy level of the second guest material.

Abstract: The present disclosure provides a quantum dot film including a plurality of quantum dot material layers arranged in stack, the plurality of quantum dot material layers having refractive indices gradually ascending along a thickness direction of the quantum dot film. The present disclosure further provides a color filter layer and a display device.

Abstract: The present disclosure provides an organic light-emitting diode display substrate, a method of preparing the same, and a display device. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.

Abstract: The present disclosure provides a quantum dot-based display panel, a method and a display device. A pixel of the display panel includes four sub-pixels of R, G, B and W, each of which uses blue light as backlight, both the red sub-pixel and the green sub-pixel include quantum dots, the blue sub-pixel includes a light transmitting layer, and a white sub-pixel includes a yellow light conversion layer. Quantum dots of the yellow light conversion layer are configured to convert a portion of the blue light to yellow light and at the same time transmit the other portion of the blue light such that the obtained yellow light and the transmitted blue light are mixed to form white light. Thereby, R, G, B and W four-color display based on the quantum dots is realized, which enhances the richness of color, display brightness and resolution, the utilization ratio of backlight.

Abstract: The present disclosure is related to a light emitting diode. The light emitting diode may include a pixel unit which may include a first sub-pixel. The first sub-pixel may include a dummy electrode layer and a first electrode layer on the dummy electrode layer. The dummy electrode layer may include a first reflective layer. The first electrode layer may include a second reflective layer and a second transparent conductive layer on the second reflective layer.

Abstract: A display base plate and a manufacturing method therefor, a display panel and a display apparatus, relates to the technical field of display.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: The present disclosure provides an organic electroluminescent device, a display panel and a display device, including a first electrode, a first light-emitting layer, a first electron transport layer, an N-type charge generation layer, a P-type charge generation layer, a first hole transport layer, a second light-emitting layer and a second electrode that are stacked; where the N-type charge generation layer includes a host electron transport material and a first guest electron transport material having a set matching energy level there between.

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

Abstract: The present disclosure provides a light-emitting diode, including a first electrode, a light-emitting functional layer and a second electrode which are stacked, the first electrode is a transparent electrode, the second electrode includes a metal electrode layer and a semiconductor auxiliary layer, the metal electrode layer is attached to the light-emitting functional layer, the semiconductor auxiliary layer is located on a surface of the metal electrode layer away from the light-emitting functional layer. The metal electrode layer is made of a magnesium-silver alloy, a thickness of the metal electrode layer is between 3 nm and 5 nm, and the semiconductor auxiliary layer is made of IZO, a thickness of the semiconductor auxiliary layer is between 100 nm and 130 nm. The present disclosure further provides a light emitting device and a method of manufacturing a light emitting diode. The light-emitting diode has high color rendering index and low power consumption.

Abstract: A light emitting device and a displaying device. The light emitting device includes a first electrode, a second electrode, and a light emitting unit located between the first electrode and the second electrode, and the light emitting unit includes a doped electron-barrier layer, a blue-light host layer and a doped blue-light host layer that are stacked; the doped electron-barrier layer includes an electron-barrier host material and a first guest material that is doped in the electron-barrier host material; the blue-light host layer includes a first blue-light host material; the doped blue-light host layer includes a second blue-light host material and a second guest material that is doped in the second blue-light host material; and a singlet-state energy level of the first blue-light host material is higher than a singlet-state energy level of the first guest material and a singlet-state energy level of the second guest material.

Abstract: An encapsulating cover plate, a method for fabricating the same, a display panel and a method for fabricating the same are provided. The encapsulating cover plate includes a first base substrate; a first auxiliary electrode on the first base substrate; and a second auxiliary electrode on a side of the first auxiliary electrode away from the first base substrate, an orthographic projection of the second auxiliary electrode on the first base substrate being within an orthographic projection of the first auxiliary electrode on the first base substrate. A material of the first auxiliary electrode includes an organic conductive polymer, and a material of the second auxiliary electrode includes a conductive metal.

Abstract: The present disclosure relates to the field of display technologies, and in particular, to an OLED display panel, a method of fabricating the same, and a display apparatus. The OLED display panel includes; a base substrate, a plurality of first electrodes located on the base substrate. The OLED display panel include a pixel defining frame, located on the base substrate and separating a plurality of the first electrodes. The pixel defining frame is configured to define a plurality of sub-pixel regions. The OLED display panel includes an organic functional layer located on each of the sub-pixel regions and the pixel defining frame. The organic functional layer has a hollow structure at a position corresponding to the pixel defining frame, and the hollow structure forms an insulation between two adjacent sub-pixel regions in the organic functional later. The OLED display panel includes a second electrode, located on the organic functional layer.

Abstract: The present disclosure provides a quantum dot-based display panel, a method and a display device. A pixel of the display panel includes four sub-pixels of R, G, B and W, each of which uses blue light as backlight, both the red sub-pixel and the green sub-pixel include quantum dots, the blue sub-pixel includes a light transmitting layer, and a white sub-pixel includes a yellow light conversion layer. Quantum dots of the yellow light conversion layer are configured to convert a portion of the blue light to yellow light and at the same time transmit the other portion of the blue light such that the obtained yellow light and the transmitted blue light are mixed to form white light. Thereby, R, G, B and W four-color display based on the quantum dots is realized, which enhances the richness of color, display brightness and resolution, the utilization ratio of backlight.