Abstract: A manufacturing method of a display device includes a layering process including steps of forming a PI layer on a carrier glass substrate, forming a base coat layer to cover the PI layer, and forming a TFT layer and a light-emitting element layer on the base coat layer, an exposing process including a step of exposing an end surface of the PI layer, and a peeling process including a step of peeling the carrier glass substrate from the PI layer by irradiating the lower face of the PI layer with a laser light beam.

Abstract: An organic EL element including light emitting layers is formed above a first region of a main surface of a back film. A plurality of terminal portions are formed above a second region of the main surface of the back film. A cover film including an opening is provided as an uppermost layer above the main surface of the back film.

Abstract: A method of manufacturing a flexible display device, includes forming a base layer on a non-flexible substrate, the base layer including a first resin layer, an inorganic film, and a second resin layer, wherein the forming of the base layer includes a first step of forming the first resin layer inward from an end portion region of the non-flexible substrate, a second step of forming the inorganic film on the first resin layer such that the non-flexible substrate and/or the first resin layer is exposed, and a third step of forming the second resin layer in contact with the non-flexible substrate exposed from the inorganic film and/or the first resin layer exposed from the inorganic film, and the method further includes peeling the non-flexible substrate and bonding a flexible substrate to the first resin layer via an adhesive layer.

Abstract: A flexible display device has, in a folding portion, a slit that partitions a second electrode provided in common for a plurality of pixels, between a plurality of display units. In a plan view, in the slit, at least one of an organic insulating film, banks, and an organic layer has a slit, and a bulging portion formed by the organic insulating film and the banks is provided so as to surround each of the partitioned second electrodes.

Abstract: A production method for an OLED panel includes forming on an upper face side of a transparent substrate, a layered body including a resin layer, a TFT layer, an OLED layer and a sealing layer including an organic sealing film, and then irradiating the resin layer being in contact with the transparent substrate with a laser beam to separate the transparent substrate and the layered body. In the production method, the resin layer includes a first region to be irradiated with a laser beam at a first intensity P1 and a second region to be irradiated with a laser beam at a second intensity P2 greater than the first intensity, the first region overlaps with the organic sealing film, and the second region does not overlap with the organic sealing film.

Abstract: A manufacturing method of a display device includes a layering process including steps of forming a PI layer (3) on a carrier glass substrate (2), forming a base coat layer (4) to cover the PI layer (3), and forming a TFT layer (5) and a light-emitting element layer (6) on the base coat layer (4), an exposing process including a step of exposing an end surface of the PI layer (3), and a peeling process including a step of peeling the carrier glass substrate (2) from the PI layer (3) by irradiating the lower face of the PI layer (3) with a laser light beam.

Abstract: Provided is a flexible display that can be folded in multiple directions. The flexible display is flexible and includes multiple bending sections extended in directions intersecting with each other. The multiple bending sections are each formed to connect different end portions of the flexible display, and a through hole is provided at a fold center portion where the bending sections intersect with each other.

Abstract: A method includes steps of (a) forming a substrate layer 10 above a support substrate 8 which is transparent, and then a thin-film element above the substrate layer 10; and (b) emitting laser beams La and Lb to a face of the support substrate 8 opposite to another face of the support substrate to which the substrate layer 10 and the thin-film element are formed, and delaminating the substrate layer 10 and the thin-film element from the support substrate 8. In step (b), the laser beams La and Lb are emitted from different directions.

Abstract: A liquid crystal display device according to an aspect of the disclosure includes a liquid crystal panel including an element substrate, a counter substrate facing the element substrate, a liquid crystal layer sandwiched between the element substrate and the counter substrate, an incident-side linear polarizing plate arranged on a light-incident side of the liquid crystal layer, and an emission-side linear polarizing plate arranged on a light-emission side of the liquid crystal layer. Each of the element substrate and the counter substrate uses a resin film as base material. A plurality of insulating films are formed on the base material. A contact hole is formed in the plurality of insulating films, the contact hole being rectangular in plan view. Either a long side or a short side of the contact hole is parallel with an absorption axis of the incident-side linear polarizing plate or the emission-side linear polarizing plate.

Abstract: Provided is a flexible display that can be folded in multiple directions. The flexible display is flexible and includes multiple bending sections extended in directions intersecting with each other. The multiple bending sections are each formed to connect different end portions of the flexible display, and a through hole is provided at a fold center portion where the bending sections intersect with each other.

Abstract: A method of producing an EL device includes layering a resin layer, a barrier layer and a protective film on a mother glass substrate, the layering including forming, along an end face of the mother glass substrate, an adhesive strengthening layer to strengthen adhesive force between the barrier layer and the protective film.

Abstract: An organic EL element including light emitting layers is formed above a first region of a main surface of a back film. A plurality of terminal portions are formed above a second region of the main surface of the back film. A cover film including an opening is provided as an uppermost layer above the main surface of the back film.

Abstract: A semiconductor device provided in a pixel circuit of a display device includes, in order from a lower side: a substrate; an LTPS layer; a first gate insulating layer; a first metal layer; a first flattened layer; a second gate insulating layer; an oxide semiconductor layer; a second metal layer; a passivation layer; and a third metal layer. The gate electrode layer of an LTPS-TFT and the gate electrode of an oxide semiconductor TFT are formed by the first metal layer.

Abstract: A flexible display device has, in a folding portion, a slit that partitions a second electrode provided in common for a plurality of pixels, between a plurality of display units. In a plan view, in the slit, at least one of an organic insulating film, banks, and an organic layer has a slit, and a bulging portion formed by the organic insulating film and the banks is provided so as to surround each of the partitioned second electrodes.

Abstract: A step of forming a base layer on a surface on one side of a glass substrate includes a step of forming a first polyimide resin layer and a step of forming a second polyimide resin layer. The step of forming the first polyimide resin layer includes applying a first polyimide resin material while being spread in a first direction. The step of forming the second polyimide resin layer includes applying a second polyimide resin material while being spread in a second direction being a direction opposite to the first direction.

Abstract: A production method for an OLED panel includes forming on an upper face side of a transparent substrate, a layered body including a resin layer, a TFT layer, an OLED layer and a sealing layer including an organic sealing film, and then irradiating the resin layer being in contact with the transparent substrate with a laser beam to separate the transparent substrate and the layered body. In the production method, the resin layer includes a first region to be irradiated with a laser beam at a first intensity P1 and a second region to be irradiated with a laser beam at a second intensity P2 greater than the first intensity, the first region overlaps with the organic sealing film, and the second region does not overlap with the organic sealing film.

Abstract: A production method for an OLED panel includes forming on an upper face side of a transparent substrate, a layered body including a resin layer, a TFT layer, an OLED layer and a sealing layer including an organic sealing film, and then irradiating the resin layer being in contact with the transparent substrate with a laser beam to separate the transparent substrate and the layered body. In the production method, the resin layer includes a first region to be irradiated with a laser beam at a first intensity P1 and a second region to be irradiated with a laser beam at a second intensity P2 greater than the first intensity, the first region overlaps with the organic sealing film, and the second region does not overlap with the organic sealing film.

Abstract: A liquid crystal display device according to an aspect of the disclosure includes a liquid crystal panel including an element substrate, a counter substrate facing the element substrate, a liquid crystal layer sandwiched between the element substrate and the counter substrate, an incident-side linear polarizing plate arranged on a light-incident side of the liquid crystal layer, and an emission-side linear polarizing plate arranged on a light-emission side of the liquid crystal layer. Each of the element substrate and the counter substrate uses a resin film as base material. A plurality of insulating films are formed on the base material. A contact hole is formed in the plurality of insulating films, the contact hole being rectangular in plan view. Either a long side or a short side of the contact hole is parallel with an absorption axis of the incident-side linear polarizing plate or the emission-side linear polarizing plate.

Abstract: A production method for an OLED panel includes forming on an upper face side of a transparent substrate, a layered body including a resin layer, a TFT layer, an OLED layer and a sealing layer including an organic sealing film, and then irradiating the resin layer being in contact with the transparent substrate with a laser beam to separate the transparent substrate and the layered body. In the production method, the resin layer includes a first region to be irradiated with a laser beam at a first intensity P1 and a second region to be irradiated with a laser beam at a second intensity P2 greater than the first intensity, the first region overlaps with the organic sealing film, and the second region does not overlap with the organic sealing film.

Abstract: In a substrate bonding step of bonding an element original substrate to a counter original substrate through an intermediate layer so that a thin film element layer and a terminal group formed in the element original substrate face a second resin substrate layer formed in the counter original substrate, to manufacture a substrate bonded body, a terminal portion sealing member is formed in a frame shape surrounding the terminal group between the element original substrate and the counter original substrate.