Embodiments of the present disclosure relate to an organic light emitting diode display panel, a manufacturing method thereof, a maintenance method and a display device. The organic light emitting diode display panel includes a base substrate and a plurality of subpixel units disposed on the base substrate, wherein each of the subpixel units includes a driving circuit and at least two light emitting regions; in each of the subpixel units, a same output terminal of the driving circuit is split into at least two sub output terminals; and the at least two light emitting regions are respectively connected with different sub output terminals.

The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.

A display device includes a first display area and a second display area. The first display area has a same pixel physical structure as the second display area. A light transmittance of the first display area is greater than a light transmittance of the second display area. The first display area includes a plurality of first pixel groups. Each of the first pixel groups includes a plurality of first pixels connected in parallel with each other.

A display device is provided. The display device includes a substrate, and a first sub-pixel and a second sub-pixel disposed on the substrate, wherein the first sub-pixel and the second sub-pixel respectively correspond to two different colors. The first sub-pixel includes a first light-emitting element and a first wavelength conversion layer adjacent to the first light-emitting element, wherein a light emitted from the first light-emitting element passes through the first wavelength conversion layer. The second sub-pixel includes a second light-emitting element and a second wavelength conversion layer adjacent to the second light-emitting element, wherein a light emitted from the second light-emitting element passes through the second wavelength conversion layer. An area of the first wavelength conversion layer and an area of the second wavelength conversion layer are different.

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 d×tan(arcsin(sin θl(k)/ns)) and equal to or less than 3d×tan(arcsin(sin θl(k)/ns)) (d×tan(arcsin(sin θl(k)/ns))≤WR(k)≤3d×tan(arcsin(sin θl(k)/ns))).

An OLED device may include the following elements: a common electrode; a first pixel electrode overlapping the common electrode; a first emission layer positioned between the first pixel electrode and the common electrode; a second pixel electrode; a second emission layer positioned between the second pixel electrode and the common electrode; and a pixel defining layer including a first opening, a second opening, a first flat face, and an uneven surface structure, wherein the first opening partially exposes the first pixel electrode, wherein the second opening partially exposes the second pixel electrode, wherein the first flat face may be opposite the uneven surface and may be positioned between the first pixel electrode to the second electrode, and wherein the uneven surface may be positioned between the first opening and the second opening.

A light emitting display panel includes a substrate, a pixel driving circuit disposed on the substrate, a planarization layer disposed on the pixel driving circuit, a pixel driving electrode disposed on the planarization layer and electrically connected to the pixel driving circuit, a light emitting layer disposed on the pixel driving electrode, and a common electrode disposed on the light emitting layer. The pixel driving electrode includes a plurality of first electrodes apart from one another and a second electrode covering the first electrodes, and at least one of the second electrode or the plurality of first electrodes is connected to the pixel driving circuit.

A light emitting display panel includes a substrate, a pixel driving circuit disposed on the substrate, a planarization layer disposed on the pixel driving circuit, a pixel driving electrode disposed on the planarization layer and electrically connected to the pixel driving circuit, a light emitting layer disposed on the pixel driving electrode, and a common electrode disposed on the light emitting layer. The pixel driving electrode includes a plurality of first electrodes apart from one another and a second electrode covering the first electrodes, and at least one of the second electrode or the plurality of first electrodes is connected to the pixel driving circuit.

An organic light-emitting display apparatus including a first electrode disposed on a substrate; a pixel defining layer covering an edge of the first electrode; a layer disposed on the pixel defining layer, the layer including a fluoropolymer and contacting a top surface of the first electrode; a first organic functional layer including a first light emitting layer, the first organic functional layer having a lower surface contacting the top surface of the first electrode; and a second electrode disposed on the first organic functional layer.

An organic light emitting display device includes a substrate having a display area displaying an image and a non-display area surrounding the display area; a camera disposition area provided within the display area; a panel identification area provided in the non-display area; and an upper protective layer covering the camera disposition area and the panel identification area.