Display comprising at least one organic light emitting diode, wherein the at least one organic light emitting diode comprises an anode, a cathode, a light emitting layer between the anode and the cathode, and at least one layer comprising a compound according to formula (I) between the cathode and the light emitting layer: ##STR00001## wherein A.sup.1 and A.sup.2 are independently selected from halogen, CN, substituted or unsubstituted C.sub.1-C.sub.20-alkyl or heteroalkyl, C.sub.6-C.sub.20-aryl or C.sub.5-C.sub.20-heteroaryl, C.sub.1-C.sub.20-alkoxy or C.sub.6-C.sub.20-aryloxy, A.sup.3 is selected from substituted or unsubstituted C.sub.6-C.sub.40-aryl or C.sub.5-C.sub.40-heteroaryl, m=0, 1 or 2, n=0, 1 or 2.

An organic light emitting device utilizing the micro-cavity effect in the RGB subpixel regions while suppressing the micro-cavity effect in the white subpixel region is provided. The organic light emitting device includes a lower substrate, an anode formed on the lower substrate, an organic emission layer formed on the anode, a cathode formed on the organic emission layer, and a reflection decreasing layer formed on at least a portion of the cathode for reducing reflection of the light emitted from the organic emission layer by the cathode to reduce the micro-cavity effect. Such a selective use of the micro-cavity effect in the organic light emitting device improves the color accuracy, the luminance efficiency and the lifespan of the top emission type organic light emitting device.

The present disclosure provides an OLED display substrate including a substrate, a pixel defining layer on the substrate, for defining a plurality of sub-pixel regions having different colors; and cavity length adjusting layers in the sub-pixel regions, wherein the cavity length adjusting layers comprise a conductive ink, and the cavity length adjusting layers have different thicknesses in the sub-pixel regions having different colors.

Embodiments of the present disclosure describe light emitting displays having a light emitter layer that includes an array of light emitters and a wafer having a driving circuit coupled with the light emitter layer, computing devices incorporating the light emitting displays, methods for formation of the light emitting displays, and associated configurations. A light emitting display may include a light emitter layer that includes an array of light emitters and a wafer coupled with the light emitter layer, where the wafer includes a driving circuit formed thereon to drive the light emitters. Other embodiments may be described and/or claimed.

An active matrix light emitting display comprising an anode layer comprising a plurality of individual selectively energizable anodes, a cathode layer comprising a plurality of individual selectively energizable cathodes, an emitter layer for emitting light when energized disposed between the anode layer and the cathode layer, and a photoluminescent layer comprising a plurality of various color photoluminescent pixels, wherein a selected anode and a selected cathode are energizable to photoexcite a selected color pixel. A light emitting device comprising, a light emitting photonic crystal having organic electroluminescent emitter material disposed within the photonic crystal, and a photoluminescent material disposed upon a surface of the light emitting photonic crystal, such that light emitted by the light emitting photonic crystal causes photoexcitation within the photoluminescent material.

An organic light emitting diode (OLED) display is disclosed. The OLED display includes a first stack having a first emission layer and a first layer. The first emission layer emits red light, green light, or blue light. The OLED display includes a second stack having a second emission layer and a second layer. The second stack emits light of a different angular spectral distribution as that emitted by the first stack. Further, a thickness of the second layer is different from a thickness of the first layer such that light emitted by the first emission layer resonates within the first stack at a first degree and light emitted by the second emission layer resonates within the second stack at a second degree, the first degree being greater than the second degree.

An array substrate is configured to carry a plurality of light emitting units with different light emitting colors. The array substrate includes a plurality of pixel driving circuits, a first voltage input line and a second voltage input line. The plurality of pixel driving circuits include at least one first driving circuit and at least one second driving circuit. The first voltage input line is coupled to the at least one first driving circuit, and is configured to transmit a first voltage to the at least one first driving circuit. The second voltage input line is coupled to the at least one second driving circuit, and is configured to transmit a second voltage to the at least one second driving circuit. The first voltage is different from the second voltage.

An organic light-emitting device, a display panel, and a display device are provided. The organic light-emitting device includes a mixed light-emitting layer. The mixed light-emitting layer includes a first blue light-emitting layer, a second blue light-emitting layer, and a yellow-green light-emitting layer. The second blue light-emitting layer is disposed parallel to the yellow-green light-emitting layer and on the first blue light-emitting layer.

The present disclosure generally relates to display technologies. An array substrate may include a plurality of first pixel units and a plurality of second pixel units arranged in alternating manner. Each of the plurality of first pixel units may include a first plurality of subpixels, each of the first plurality of subpixels comprising a functional stack that has a thickness of from 180 to 360 nm. Each of the plurality of second pixel units may include a second plurality of subpixels, each of the second plurality of subpixels comprising a functional stack that has a thickness of from 80 to 140 nm.

In EL display panels fabricated by vapor deposition, a vapor-deposition fine mask is employed to form red, green, and blue pixels. An issue, however, has been that misregistration of the vapor-deposition fine mask occurs, lowering manufacturing yields. To resolve this issue, on a thin-film transistor (TFT) substrate, red, green, and blue pixel electrodes are fashioned in matrix form. The TFT substrate is conveyed into a vapor-deposition chamber. Under a vacuum, an organic evaporation source is employed to codeposit a light-emitting layer composed of a host material and a red guest material on the TFT substrate display screen. An ultraviolet laser beam generated by a laser device is optically guided into the vapor-deposition chamber through a laser window and directed on the light-emitting layer formed onto the green and blue pixel electrodes. Positional selecting on the green and blue pixels is carried out by controlling a mirror galvanometer.