A method of fabricating a graphene material, an organic light-emitting diode (OLED) illuminating device, and a display device are provided. The method of fabricating the graphene material has steps of synthesizing and reducing a target object. The fabricated graphene material has advantages of good quality and no impurities. The OLED illuminating device has a substrate, an anode layer, a cathode layer, an organic coating layer, and a graphene material and/or a graphene material layer. The graphene material is doped in at least one of the anode layer, the cathode layer, and the organic coating layer, and/or disposed between an anode and the substrate and/or between the organic coating layer and the cathode layer to form the graphene material layer, which has excellent thermal conductivity, and heat within the OLED illuminating device can be effectively and quickly conducted. The display device has the OLED illuminating device, which increase service life.

An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.

A lighting apparatus using an organic light emitting diode comprises a first anode and a second anode respectively disposed in an emission zone and a non-emission zone of an emission area defined at a substrate; a first insulating layer disposed on the second anode; an organic layer and a primary cathode disposed on the first anode; a secondary cathode disposed on the insulating layer and laterally connected to the primary cathode; and an encapsulating material disposed above the substrate, wherein the organic layer is disposed only between the primary cathode and the secondary cathode in the emission zone.

An organic light emitting diode includes: a first electrode; a second electrode facing the first electrode; a light emission layer between the first electrode and the second electrode; an electron injection layer between the second electrode and the light emission layer; and a buffer layer between the electron injection layer and the second electrode, where the electron injection layer includes a dipolar material and a first metal, and the buffer layer includes a metal having a work function of 4.0 eV or less.

An organic light emitting diode comprising a first electrode layer, a second electrode layer, a stack of functional layers, including an organic light-emitting layer, sandwiched between said first electrode layer and said second electrode layer, and an passivation layer arranged adjacent to said first electrode layer is disclosed. The passivation layer reacts with the first electrode layer to form an oxide at a reaction temperature that is induced by an evolving short circuit between the first electrode layer and the second electrode layer. The passivation layer is unreactive at temperatures lower than the reaction temperature.

An embodiment of the present disclosure provides an organic light emitting diode array substrate, an organic light emitting diode display and a method for manufacturing the same. Specifically, the organic light emitting diode array substrate comprises a substrate; a reflecting layer provided on the substrate; a photoresist layer provided on the reflecting layer, and a pixel electrode layer provided on the photoresist layer.

An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.

An organic light-emitting display apparatus including: a first electrode of a first group; a first organic functional layer covering the first electrode of the first group and including a first emission layer; a second electrode of the first group covering the first organic functional layer; a first electrode of a second group separate from the first electrode of the first group; a second organic functional layer separate from the first organic functional layer, covering the first electrode of the second group, having a larger area than the first organic functional layer, and including a second emission layer; a second electrode of the second group covering the second organic functional layer; and a common electrode integrally and commonly disposed on the second electrode of the first group and the second electrode of the second group.

A method of producing an element substrate includes (A) a process of forming a transparent electrode film containing a transparent metal oxide on an upper side of an insulating film located above a conductive film, (B) a process of forming a photoresist film on an upper side of the transparent electrode film and patterning the photoresist film, (C) a process of removing a portion of the transparent electrode film not covered by the photoresist film to form an opening H extending through the transparent electrode film, and (D) a process of removing a portion of the insulating film not covered by the photoresist film and the transparent electrode film to form a contact hole extending to the conductive film. The element substrate produced by the method includes an electrode including the transparent electrode film electrically connected to the conductive film at the contact hole.

An end (that is, an end (130b)) of a second electrode (130) of a k-th light-emitting unit (152(k)) on a second side (S2) exists on the outer side of an end (152b) of the k-th light-emitting unit (152(k)) by the width WR(k) of an overlapping region (OR). In one example, the width WR(k) is equal to or greater than dtan(arcsin(sin l(k)/ns)) and equal to or less than 3dtan(arcsin(sin l(k)/ns)) (dtan(arcsin(sin l(k)/ns))WR(k)3dtan(arcsin(sin l(k)/ns))).