The present disclosure discloses a support film, an OLED display structure and a manufacturing method thereof. The support film includes a first adhesive material layer and a first base material layer, which are stacked together, and a first release film therebetween.

A display device includes a circuit board connected to one side of the first panel, wherein the circuit board includes a first pad, and a second pad adjacent to the first pad in a first direction, wherein the circuit board has a first side adjacent to the first panel, wherein the first pad and the second pad have a predetermined length in a second direction intersecting the first direction, wherein a pitch between the first pad and the second pad varies along the second direction from the first side surface of the circuit board.

A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a first light-emitting element and a light-receiving element. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode. The light-receiving element includes a second pixel electrode, a second organic layer, and the common electrode. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. A first layer and a second layer are included in a region between the first light-emitting element and the light-receiving element. The first layer overlaps with the second organic layer and the second pixel electrode and contains a material identical to a material of the first organic layer. The second layer overlaps with the first organic layer and the first pixel electrode and contains a material identical to a material of the second organic layer. In the region between the first light-emitting element and the light-receiving element, an end portion of the first organic layer and an end portion of the first layer face each other and an end portion of the second organic layer and an end portion of the second layer face each other.

A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a first light-emitting element and a light-receiving element. The first light-emitting element includes a first pixel electrode, a first organic layer, and a common electrode. The light-receiving element includes a second pixel electrode, a second organic layer, and the common electrode. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. A first layer and a second layer are included in a region between the first light-emitting element and the light-receiving element. The first layer overlaps with the second organic layer and the second pixel electrode and contains a material identical to a material of the first organic layer. The second layer overlaps with the first organic layer and the first pixel electrode and contains a material identical to a material of the second organic layer. In the region between the first light-emitting element and the light-receiving element, an end portion of the first organic layer and an end portion of the first layer face each other and an end portion of the second organic layer and an end portion of the second layer face each other.

A display device includes a substrate having one surface and an opposite surface opposite to the one surface; a micro-LED on the one surface of the substrate, the micro-LED including a light-emitting area; a reflective electrode at at least one side surface of the micro-LED; and an upper reflective layer facing and overlapping the light-emitting area of the micro-LED, wherein the upper reflective layer is configured to reflect light emitted from the light-emitting area of the micro-LED to be directed toward the second surface of the substrate.

A display device includes a substrate having one surface and an opposite surface opposite to the one surface; a micro-LED on the one surface of the substrate, the micro-LED including a light-emitting area; a reflective electrode at at least one side surface of the micro-LED; and an upper reflective layer facing and overlapping the light-emitting area of the micro-LED, wherein the upper reflective layer is configured to reflect light emitted from the light-emitting area of the micro-LED to be directed toward the second surface of the substrate.

An organic EL device includes a counter electrode, a first reflection layer provided so as to be separate from the counter electrode by a first optical distance, a first pixel electrode provided between the counter electrode and the first reflection layer, a light emitting layer provided between the counter electrode and the first pixel electrode, an optical distance adjustment layer provided between the first pixel electrode and the first reflection layer, and a first relay electrode provided between the first pixel electrode and the first reflection layer, and configured to electrically couple the first pixel electrode and the first reflection layer, wherein the optical distance adjustment layer is provided so as to be separate from the first relay electrode.

Embodiments of the present disclosure provide a display panel and a display device which enable adjustment of a light transmittance. The display panel includes a plurality of sub-pixel regions arranged into an array, at least some of the sub-pixel regions each comprising a display region configured for displaying an image and a light transmitting region configured for transparent display, and the light transmitting region is provided therein with a light adjusting device having an adjustable light transmittance.

Provided are a display device and a display device. The display device includes: a display panel, including display area and non-display area surrounding display area; and a flexible circuit board. The non-display area includes first binding area and second binding area located on two opposite sides of display area along first direction, which is parallel to the display panel. The display panel has display surface and back surface. The flexible circuit board is disposed on back surface of display panel. A driving chip is fixed on the flexible circuit board. The flexible circuit board has first end and second end. When the flexible circuit board is in bent state, first end is bent and then extended to display surface of the display panel and bound to first binding area, and second end is bent and then extended to display surface of the display panel and bound to second binding area.

A display substrate and a display device are provided. The display substrate includes sub-pixels, first data lines, and first power signal lines. The sub-pixel includes a light emitting element including a second electrode. The sub-pixel includes a first connecting portion including a first sub-connecting portion and a first block. The second electrode is overlapped with the first data line, the first power signal line and the first connecting portion, the first power signal line and the first data line are located at both sides of the first connecting portion. A ratio of a minimum distance between edges of the first sub-connecting portion and the first data line which are close to each other to a minimum distance between edges of the first block and the first power signal line which are close to each other is in a range from 0.8 to 1.2.