According to a flexible light-emitting device production method of the present disclosure, after an intermediate region (30i) and flexible substrate regions (30d) of a plastic film (30) of a multilayer stack (100) are divided from one another, the interface between the flexible substrate regions (30d) and a glass base (10) is irradiated with lift-off light. The multilayer stack (100) is separated into a first portion (110) and a second portion (120) while the multilayer stack (100) is in contact with a stage (210). The first portion (110) includes a plurality of light-emitting devices (1000) which are in contact with the stage (210). The light-emitting devices (1000) include a plurality of functional layer regions (20) and the flexible substrate regions (30d). The second portion (120) includes the glass base (10) and the intermediate region (30i). The step of irradiating with the lift-off light includes the first light scanning for scanning the interface in a first direction with the light in the form of a line beam, and the second light scanning for scanning the interface in a second direction with the light. In each of the first and second light scanning, the irradiation intensity is modulated such that the intensity for at least part of the interface between the intermediate region (30i) and the glass base (10) is lower than the irradiation intensity for the interface between the flexible substrate regions (30d) and the glass base (10).

A support film for a flexible display panel is provided. The support film includes a first support portion and a second support portion on a first surface of a substrate of the display panel. The first support portion is located in a bonding area, the second support portion extends from a display area to the bonding area, and a groove is provided between the first support portion and the second support portion to expose the first surface. The first support portion includes a first support base material and a first adhesive material, and the first adhesive material adheres the first support base material on the first surface. The second support portion includes a second support base material and a second adhesive material, the second adhesive material adheres the second support base material on the first surface.

A display device includes a first base on which a display area and a non-display area are defined; a first support member disposed on the first base and located in the non-display area; a light emitting element disposed on the first base and located in the display area; an encapsulation layer which disposed on the light emitting element; a second base disposed on the encapsulation layer; a color filter disposed between the second base and the encapsulation layer, where the color filter overlaps the light emitting element; a wavelength conversion pattern disposed on the color filter; and a sealing member disposed between the first base and the second base and located in the non-display area, where the sealing member is located between the display area and the first support member and overlaps the encapsulation layer.

A flexible display device and a method of manufacturing thereof are provided. The flexible display device includes a flexible substrate, a thin film transistor disposed on the flexible substrate, a luminescent layer disposed on the thin film transistor, a first retaining wall and a second retaining wall disposed on the thin film transistor, and an encapsulation layer. The encapsulation layer includes a first inorganic layer, an organic layer, and a second inorganic layer. The first inorganic layer covers the first retaining wall, the second retaining wall, and one part of the thin film transistor. A plurality of first grooves are disposed in the first inorganic layer. The organic layer fills the plurality of first grooves and covers the luminescent layer and the other part of the thin film transistor. The second inorganic layer covers the first inorganic layer and the organic layer.

A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.

A display device includes a substrate including a display area including emission areas and a light blocking area; and a non-display area adjacent to the display area; a thin-film transistor layer disposed on the substrate and including thin-film transistors; a light-emitting element layer disposed on the thin-film transistor layer and including light-emitting elements; a wavelength conversion layer disposed on the light-emitting element layer that converts a peak wavelength of a light from at least a part of the of light-emitting elements; and a color filter layer disposed on the wavelength conversion layer, and including color filters corresponding to the emission areas and a first light blocking part corresponding to the light blocking area and the non-display area. A transmittance of the first light blocking part with respect to a light having a wavelength of about 1000 nm or more is about 80% or more.

An embodiment of the present invention provides a manufacturing method of a display device, including: forming a pixel circuit portion overlapping a display area on a substrate; forming a first electrode that is electrically connected to the pixel circuit portion; forming a partition wall overlapping a portion of the first electrode; forming a dummy line overlapping a peripheral area surrounding the display area by using a dispenser; and forming at least a portion of an intermediate layer in the partition wall by an inkjet process.

A display device including a peripheral circuit portion with high operation stability. The display device includes a first substrate and a second substrate. A first insulating layer is on a first plane of the first substrate, and a second insulating layer is on a first plane of the second substrate. An area of the first plane of the first substrate is the same as an area of the first plane of the second substrate. The first plane of the first substrate and the first plane of the second substrate face each other. A bonding layer is between the first insulating layer and the second insulating layer. A protection film is in contact with the first substrate, the first insulating layer, the bonding layer, the second insulating layer, and the second substrate.

A method of manufacturing a display apparatus includes: forming a plurality of displays including a light-emitting diode on a surface of a first mother substrate; preparing a second mother substrate; forming a first sealed area on a surface of at least one of the first mother substrate or the second mother substrate, wherein the first sealed area surrounds each of the plurality of displays and includes a frit; firstly bonding the first mother substrate to the second mother substrate by melting the frit in the first sealed area by radiating a first laser beam; and secondly bonding the first mother substrate to the second mother substrate by forming a second sealed area in which the frit and the first mother substrate, and/or the frit and the second mother substrate, are melted and mixed with each other by radiating a second laser beam partially in the first sealed area.

A display device according to an embodiment of the present technology includes an element substrate, a transparent substrate, a light shielding filter portion, and a transparent adhesive layer. The element substrate includes a first surface, an organic EL element that emits light from a display region of the first surface, and peripheral wiring disposed to overlap in plan view with a peripheral region surrounding the display region. The transparent substrate includes a second surface facing the first surface. The light shielding filter portion includes a first color filter disposed in the peripheral region of the first surface and a second color filter disposed on the second surface to face the first color filter, and shields the peripheral wiring from light. The transparent adhesive layer is provided between the first color filter and the second color filter and bonds the element substrate and the transparent substrate to each other.