A display panel includes a first display area including first light emitting areas and a second display area adjacent to the first display area and including second light emitting areas and a signal transmission area; a base substrate; a circuit element layer disposed on the base substrate; a light blocking pattern disposed between the base substrate and the circuit element layer, overlapping the first and second light emitting areas, and having a first opening corresponding to the signal transmission area; and a light emitting element layer disposed on the circuit element layer and including a first electrode overlapping the first and second light emitting areas, a light emitting layer disposed on the first electrode, and a second electrode overlapping the first and second light emitting areas. The signal transmission area has a second transmittance that is higher than a first transmittance of the second light emitting areas.

A manufacturing method of a flexible display device and a flexible display device are provided. The manufacturing method of the flexible display device includes: forming a conductive heating layer with a first microstructure pattern on a hard substrate; forming a flexible substrate layer on the conductive heating layer, and forming a display device on the flexible substrate layer; performing a heating treatment on the conductive heating layer to separate the flexible substrate layer from the conductive heating layer, and a side of the flexible substrate layer away from the display device having a second microstructure pattern after being separated.

An electrophoretic display device includes an electrophoretic display module, and a polymer light emitting diode (PLED) module. The polymer light emitting diode (PLED) module is over the electrophoretic display module, and is aligned with and is attached to the electrophoretic display module. In a dark environment, the polymer light emitting diode (PLED) module can emit light to supplement the insufficient ambient light, so that the users may observe the information or pattern displayed by the electrophoretic display device. The electrophoretic display device can be a flexible electrophoretic display device.

An organic light-emitting diode (OLED) device includes a substrate, a well structure on the substrate with the well structure having a recess with side walls and a floor, a lower metal layer covering the floor and side-walls of the well, an upper conductive layer on the lower metal layer covering the floor of the well and contacting the lower metal layer, the upper conductive layer having outer edges at about an intersection of the side walls and the floor, a dielectric layer formed of an oxide of the lower metal layer covering the side walls of the well without covering the upper conductive layer, a stack of OLED layers covering at least the floor of the well, the upper conductive layer providing an electrode for the stack of OLED layers, and a light extraction layer (LEL) in the well over the stack of OLED layers and the dielectric layer.

A method of manufacturing a display panel having an opening, a display area surrounding the opening, and a non-display area between the opening and the display area, the method includes the steps of: forming a pixel circuit including a at least one thin-film transistor in the display area, forming a first electrode electrically connected to the at least one thin-film transistor, forming a first layer having a plurality of slits in the non-display area, forming, on the first electrode, an intermediate layer and a second electrode that form a light-emitting element, the intermediate layer and the second electrode being disposed on the display area and the non-display area, and covering the first layer, lifting the second electrode off from the intermediate layer by irradiating a first laser beam having a first energy density toward the first layer, the intermediate layer, and the second electrode, which are stacked, and lifting off the first layer and the intermediate layer by irradiating a second laser beam having a second energy density greater than the first density toward the first layer.

A transistor manufacturing method includes forming a source electrode and a drain electrode on a substrate, forming a layer including an insulator layer to cover the source electrode and the drain electrode, and forming a gate electrode on the layer including the insulator layer, wherein the forming the gate electrode includes forming a plating base film, forming a protection layer of the plating base film, forming a photoresist layer on the protection layer to expose the photoresist layer with desired patterning light, causing the exposed photoresist layer to come into contact with a developer to remove the photoresist layer and the protection layer until the plating base film is uncovered corresponding to the patterning light, and after depositing a metal on the uncovered plating base film, causing an electroless plating solution to come into contact with the plating base film to perform electroless plating.

A method of manufacturing a display device includes: providing a first substrate, a second substrate, and a plurality of connection lines, wherein the first substrate has a base substrate, wherein the second substrate faces the first substrate, and wherein the plurality of connection lines are disposed between the base substrate and the second substrate; grinding a side surface of the base substrate, a side surface of the second substrate, and side surfaces of the plurality of connection lines; and simultaneously transferring a conductive film and laser-curing the conductive film, wherein the conductive film is transferred to the ground side surface of the base substrate, the ground side surface of the second substrate, and the ground side surfaces of the plurality of connection lines.

Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.

A method is disclosed for aligning layers in fabricating a multilayer printable electronic device. The method entails providing a transparent substrate upon which a first metal layer is deposited, providing a transparent functional layer over the first metal layer, depositing metal nano particles over the functional layer to form a second metal layer, exposing the metal nano particles to intense pulsed light via an underside of the substrate to partially sinter exposed particles to the functional layer whereby the first metal layer acts as a photo mask, and washing away unexposed particles using a solvent to leave partially sintered metal nano particles on the substrate.

An electronic device includes: a display panel including a display region including a first display region and a second display region having a higher transmittance than the first display region and an electronic module below the second display region of the display panel, wherein the display panel includes: a base layer; a plurality of first pixel electrodes on the base layer and in the first display region; a plurality of second pixel electrodes on the base layer and in the second display region; a common electrode on the plurality of first pixel electrodes and the plurality of second pixel electrodes and in which a plurality of openings are defined; and a blocking pattern spaced apart from the common electrode with the plurality of second pixel electrodes interposed therebetween and having a plurality of transmission portions overlapping the plurality of openings.