An organic electroluminescence element in an embodiment according to the present invention includes a first electrode, a third electrode including a region overlapping the first electrode, a first insulating layer between the first electrode and the third electrode, a second insulating layer between the first insulating layer and the third electrode, an electron transfer layer between the first insulating layer and the third electrode, a light emitting layer, containing an organic electroluminescence material, between the electron transfer layer and the third electrode, and a second electrode located between the first insulating layer and the second insulating layer and electrically connected with the electron transfer layer. The organic electroluminescence element includes an overlap region where the third electrode, the light emitting layer, the electron transfer layer, the first insulating layer and the first electrode overlap each other in an opening of the second insulating layer.

A deposition mask group includes a first deposition mask having two or more first through holes arranged along two different directions, a second deposition mask having two or more second through holes arranged along two different directions and a third deposition mask having two or more third through holes. The first through hole and the second through hole or the third through hole partly overlap when the first deposition mask, the second deposition mask and the third deposition mask are overlapped.

A display device includes: a first electrode; a second electrode overlapping the first electrode; a light emission layer disposed between the first electrode and the second electrode; a partition wall overlapping a portion of the first electrode; and an inorganic layer disposed between the partition wall and the first electrode, wherein the inorganic layer covers an end of the first electrode.

An OLED display panel, a method for manufacturing the same and an OLED display device are disclosed. The OLED display panel comprises a flat region and a curved region, wherein the OLED display panel comprises a light-emitting element in the flat region and a light-emitting element in the curved region, each light-emitting element comprises a cathode and an anode, and a distance between the anode and the cathode of the light-emitting element in the curved region is greater than a distance between the anode and the cathode of the light-emitting element in the flat region.

The present invention provides an organic light emitting diode display panel and a fabricating method thereof. The organic light emitting diode display panel includes a lower substrate, having one side extending to form a signal path; an upper cover plate on the lower substrate, wherein a lower surface of the upper cover plate is connected to an upper surface of the lower substrate; and a barrier film package bag enclosing the upper cover plate and the lower substrate from a side away from the signal channel. The method of fabricating the OLED display panel includes following steps: forming a lower substrate; forming an upper cover plate; bonding the upper cover plate to the lower substrate; and packaging the display panel to be packaged by vacuum thermocompression. The present invention simplifies the packaging of the OLED display panel and can meet the package requirements of various types of OLED display panels.

A display panel, a display device, and a method for manufacturing a display panel are provided. The display panel includes a substrate and a display device layer. The substrate includes a display area and a non-display area positioned at a periphery of the display area. The display device layer is disposed on the substrate and includes an anode, a pixel defining layer, a common layer, and a cathode which are sequentially stacked. The anode covers the display area and extends to the non-display area, the pixel defining layer and the common layer are both disposed on the display area and neither extend to the non-display area on at least one side of the display area, and the cathode covers the common layer and extends to the non-display area to be in contact with the anode.

An organic light-emitting diode (OLED) structure and a manufacturing method thereof are provided. The OLED structure includes a substrate, a metal layer, a passivation layer, an anode, and an OLED functional layer. By setting the OLED functional layer to form a PN junction with low impedance. The PN junction and a conductive layer with high impedance constitute a resistive divider, and the PN junction is turned on by adjusting a high-voltage direct current (DC) input source and a low-voltage DC input source. Because the resistance of the PN junction is very small, the potential of the cathode can be approximated to the potential of the low-voltage DC input source according to resistive voltage divider rule, and the low-voltage DC input source uses low-resistance metal, which can effectively avoid the problem of IR drop.

A display panel, a display device, and a method for manufacturing a display panel are provided. The display panel includes a substrate and a display device layer. The substrate includes a display area and a non-display area positioned at a periphery of the display area. The display device layer is disposed on the substrate and includes an anode, a pixel defining layer, a common layer, and a cathode which are sequentially stacked. The anode covers the display area and extends to the non-display area, the pixel defining layer and the common layer are both disposed on the display area and neither extend to the non-display area on at least one side of the display area, and the cathode covers the common layer and extends to the non-display area to be in contact with the anode.

A display device, a display substrate, and a manufacturing method thereof. The display substrate includes a display region including a transparent display region. The transparent display region includes a first substrate, first sub-pixels, a first pixel definition layer, and partition layers. The first substrate is part of a light-transmitting substrate and includes first pixel regions and first non-pixel regions alternately distributed. The first sub-pixels are disposed in the first pixel regions, and each include, from bottom to top, a first electrode, a first light-emitting structure layer, and a second electrode. The first pixel definition layer is disposed in the first non-pixel regions and provided with openings. The partition layers are disposed in the first non-pixel regions, and each include a first section disposed on the first pixel definition layer and a second section suspended above a corresponding opening to partition second electrodes of adjacent first pixel regions.

An optical device (30) includes a light-emitting device (10) and a sensor device (20) (light-receiving element (220)). The light-emitting device (10) includes a substrate (100), a plurality of light-emitting portions (140), and light-transmitting portions (106). The light-emitting portions (140) are located at a first surface (100a) side of the substrate (100). The light-emitting portion (140) has a light-shielding portion (102: first light-shielding portion). The light-shielding portion (102) is located at a position to cover light emitted from the adjacent light-emitting portion (140: first light-emitting portion) and emitted to the first surface (100a) side at at least any angle between 70° to 90° from the light-emitting device (10).