Abstract: A rigid material whose linear expansion coefficient is small and whose relative density is small is used to provide a vapor-deposition mask using a lightweight and highly dimension-accurate frame. A frame (15) of the vapor-deposition mask disclosed in accordance with the present embodiment is formed with a carbon-fiber reinforced plastic (CFRP).

Abstract: To obtain a vapor-deposition mask that suppresses heat conduction at a frame of the vapor-deposition mask and make the weight thereof lighter to achieve upsizing of the vapor-deposition mask and carry out high-definition vapor-deposition cheaply, the frame (15) to which a mask main body (10) is bonded is formed as a sandwich structure (150) in which end plate (152) is bonded onto an opposing surface of at least a part of a core portion (151) in the vapor-deposition mask disclosed in the present embodiment.

Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.

Abstract: According to a flexible OLED device production method of the present disclosure, a multilayer stack (100) is provided, the multilayer stack including a base (10), a functional layer region (20) which includes a TFT layer and an OLED layer, a flexible film (30) provided between the base and the functional layer region and supporting the functional layer region, and a dielectric multilayer film mirror (36) provided between the flexible film and the functional layer region. The flexible film is irradiated with lift-off light (216) transmitted through the base, whereby the flexible film is delaminated from the base.

Abstract: A method for attaching display panel comprises: preparing a frame-shaped body comprising a first rod-like member and two second rod-like members, the two second rod-like members being substantially parallel to each other and crossing the first rod-like member; bonding the first rod-like member and the two second rod-like members to a given plane surface or a given curved surface; and moving a display panel having a width to be supported between the two second rod-like members from one of the ends of two second rod-like members towards the first rod-like member along a first surface of the two second rod-like members and a second surface of the two second rod-like members, the first surface and the second surface facing each other.

Abstract: This organic-EL display apparatus comprises an organic-EL display panel including: a substrate that is provided with pixel drive circuits to drive respective pixels arranged in a matrix along each of a first direction and a second direction, and organic light-emitting elements being provided to each of the pixels and connected to any one of the pixel drive circuits. The organic-EL display panel comprises a signal output circuit to supply a signal to each of the pixel drive circuits arranged in a line along the first direction or the second direction. The signal output circuit includes thin film transistors and is formed around a display region on a surface of the substrate. The thin film transistors include a semiconductor layer including a region to be a channel between a source electrode and a drain electrode. The semiconductor layer is formed of amorphous silicon.

Abstract: According to an embodiment of the invention, the organic EL device (100) comprises: an element substrate (20) having a substrate (1) and a plurality of organic EL elements (3) supported by the substrate; a thin film encapsulation structure (10) formed above the plurality of organic EL elements and having at least one compound layered body (10S) constituted by a first inorganic barrier layer (12), an organic barrier layer (14) in contact with the upper surface of the first inorganic barrier layer and having a plurality of solid sections spread out discretely, and a second inorganic barrier layer (16) in contact with the upper surface of the first inorganic barrier layer and the upper surfaces of the plurality of solid sections of the organic barrier layer; an organic planarization layer (42) provided above the thin film encapsulation structure and formed from a photosensitive resin; and a touch sensor layer (50) disposed above the organic planarization layer.

Abstract: The present application provides a vapor deposition method, a deposition mask, and a vapor deposition apparatus that make it possible to reliably and uniformly separate the deposition mask in a short time after vapor deposition is performed using a vapor deposition material. In Step (S1), a deposition mask that at least partly has a metal layer (metal support layer) made of a ferromagnetic material is formed. In Step (S2), the metal layer of the deposition mask is magnetized by applying an electromagnetic field to the metal layer. In Step (S3), the deposition mask and a substrate are aligned with each other, and then the deposition mask is attracted and fixed to an electromagnet with the substrate) therebetween. In Step (S4), a vapor deposition source is disposed so as to face the deposition mask, and a vapor deposition material in the vapor deposition source is deposited on the substrate by vaporizing the vapor deposition material.

Abstract: An organic EL display device (100) is provided with an element substrate (20) that has a substrate (1) and a plurality of organic EL elements (3) supported on the substrate, and a thin film encapsulation structure (10) that covers the plurality of organic EL elements. The thin film encapsulation structure is provided with a first inorganic barrier layer (12), an organic barrier layer (14) formed upon the first inorganic barrier layer, and a second inorganic barrier layer (16) formed upon the organic barrier layer. The surface (12S) of the first inorganic barrier layer that is in contact with the organic barrier layer has a plurality of fine protrusions, and the maximum height Rz of the surface roughness profile is 20 nm to less than 100 nm.

Abstract: The present invention is equipped with a substrate upon which a drive circuit containing a TFT, a planarization film, and an OLED are formed. The TFT is provided with a gate electrode, a drain electrode, a source electrode, and a semiconductor layer with regions serving as the channel and extends along a prescribed direction. The drain electrode and the source electrode are disposed such that respective portions of the drain electrode and the source electrode are arranged in an alternating manner along the prescribed direction. The connection between the drive circuit and the OILED is achieved via a conductor layer with a Ti layer and a Cu layer (Cu alloy layer) and is embedded in the interior of a contact hole formed in the planarization film, and the surface of the planarization film is formed with an arithmetic mean roughness Ra of no more than 50 nm.

Abstract: A display apparatus comprises: a display panel comprising a plurality of display elements arranged in a matrix form on a substrate having flexibility; a supporting member having a surface, the substrate of the display panel being placed on the surface; and a holding member provided at a part of or the entire of an outer edge of the display panel along the outer edge so as to rim the display panel, the holding member holding the display panel on the surface of the supporting member. The holding member engages with an outer periphery of the display panel, the holding member is bonded to the surface of the supporting member, and the substrate closely contacts with the surface of the supporting member at a lower strength than a bonding strength between the holding member and the surface of the supporting member.

Abstract: In a manufacturing method for an organic EL display device according to an embodiment, a support substrate is mounted on a surface of a vapor deposition mask (S3) which surface faces a vapor deposition source and has been subjected to a modification treatment (S2), and a desired organic material is evaporated to the vapor deposition mask, so as to deposit an organic layer formed of multiple layers in a desired area on the support substrate (S4), and further a second electrode is formed on the organic layer (S8). An exposed surface of the vapor deposition mask or an exposed surface of the organic layer formed on the vapor deposition mask is modified at at least one timing among: before depositing the organic layer formed of the multiple layers; before or after depositing each organic layer of the multiple layers forming the organic layer; and before forming the second electrode.

Abstract: An organic EL display device (100) includes a plurality of pixels, and also includes an element substrate including organic EL elements (3) respectively located in the plurality of pixels and a bank layer (48) defining each of the pixels; and a thin film encapsulation structure (10) covering the plurality of pixels. The thin film encapsulation structure includes a first inorganic barrier layer (12) and an organic barrier layer (14) in contact with a top surface or a bottom surface of the first inorganic barrier layer. The plurality of pixels include a red pixel, a green pixel and a blue pixel. The organic EL display device further includes a polydiacetylene layer (52) selectively provided on a second inorganic barrier layer (16) of the thin film encapsulation structure on the blue pixel and exhibiting a blue color. The polydiacetylene layer is a polymer of 10,12-pentacosadiynoic acid.

Abstract: According to a method for producing a flexible OLED device of the present disclosure, a multilayer stack (100) is provided, the multilayer stack including a base (10), a functional layer region (20) which includes a TFT layer and an OLED layer, a flexible film (30) provided between the base and the functional layer region and supporting the functional layer region, and a release layer (12) provided between the flexible film and the base and bound to the base. The release layer is irradiated with lift-off light (216) transmitted through the base, whereby the flexible film is delaminated from the release layer. The release layer is made of an alloy of aluminum and silicon.

Abstract: The present invention is equipped with: a substrate (10) that has a surface upon which a drive circuit containing a TFT (20) is formed; a planarizing layer (30) that makes the surface of the substrate (10) planar by covering the drive circuit; and an organic light emitting element (40) that is provided with a first electrode (41) formed upon the surface of the planarization film and connected to the drive circuit, an organic light emitting layer (43) formed upon the first electrode, and a second electrode (44) formed upon the organic light emitting layer. In addition, the planarizing layer (30) includes a first inorganic insulating layer (31) and an organic insulating layer (32) that are layered upon the drive circuit, and the surface of the organic insulating layer (32) is formed with an arithmetic mean roughness Ra of no more than 50 nm.

Abstract: Provided is a vapor deposition mask that suppresses heat conduction at a frame thereof, that achieves weight reduction, and that can tolerate high stress at a portion of the frame to which particularly high stress is applied. The present invention has: a mask main body (10) at which an opening pattern is formed; and a frame (15) to which at least a portion of a peripheral edge part of the mask main body is joined. At least a portion of the frame is formed as a rod-like lateral frame (15b) that is formed by laminating, via connection surface plates (153), unit structures (155) for a sandwich structure in which a surface plate (152) is stuck to a surface that faces at least portions of core parts (151) that contain vacant space.

Abstract: A vapor deposition mask is provided with: a resin film, which has at least one of first to third opening patterns in which first to third openings, for forming first to third subpixels that configure one pixel of a display panel, are disposed with a fixed periodicity; and a metal support layer, which is bonded to the resin film and has an opening pattern for fourth openings that are formed so as to be able to encompass all of the first to third openings of the resin film. In regions of the resin film exposed by the fourth openings of the metal support layer, one or two of the first to third openings of the resin film are formed.

Abstract: By using an a-Si layer with low electron mobility in a TFT for driving an organic EL display device, the present invention solves problems stemming from uneven laser irradiation and suppresses the occurrence of non-uniform color and luminance. In the present invention, a first conductor film (26a) forming a drain electrode and a second conductor film (25a) forming a source electrode are disposed such that respective portions (26a1 . . . , 25a1 . . . ) of the first conductor film (26a) and the second conductor film (25a) are arranged in an alternating manner along a prescribed direction.

Abstract: A vapor deposition mask (100) includes a resin layer (10) having a first primary surface (11) and a second primary surface (12), and having a plurality of openings (13), and a metal layer (20) having a third primary surface (21) and a fourth primary surface (22), and provided on the first primary surface of the resin layer so that the fourth primary surface is located on the resin layer side, wherein the metal layer is shaped so that the plurality of openings are exposed therethrough. A portion of the first primary surface of the resin layer that is in contact with the metal layer, a portion of the first primary surface of the resin layer that is not in contact with the metal layer, and the third primary surface of the metal layer each include a rough surface region having a depressed/protruding shape.

Abstract: According to a flexible OLED device production method of the present disclosure, a multilayer stack (100) is provided, the multilayer stack including a base (10), a functional layer region (20) which includes a TFT layer and an OLED layer, a flexible film (30) provided between the base and the functional layer region and supporting the functional layer region, and a dielectric multilayer film mirror (36) provided between the flexible film and the functional layer region. The flexible film is irradiated with lift-off light (216) transmitted through the base, whereby the flexible film is delaminated from the base.