A production method for an organic EL element includes a step of forming an organic EL section on an organic EL section arrangement area in a first electrode section while conveying an electrode-attached substrate in a first direction, a step of forming a band-shaped conductive film along the first direction to cover the organic EL section and at least a part of an external connection area in the first electrode section while conveying the electrode-attached substrate on which the organic EL section is formed in the first direction, and a step of forming a groove section that separates the conductive film into a first part and a second part being a second electrode section by removing the conductive film in a predetermined area in a second direction while conveying the electrode-attached substrate on which the conductive film is formed in the first direction, and extends in the first direction.

A vapor deposition mask includes a front surface, a back surface opposite to the front surface, and inner surfaces defining the respective mask holes. Each mask hole extends between the front surface and the back surface. In a plan view of the front surface, each mask hole includes a large opening, which is located at the front surface, and a small opening, which is located inside the large opening. At least a section of each mask hole has a shape of an inverted frustum extending between the large opening and the small opening. Each inner surface includes a stepped surface spreading from the small opening toward the large opening.

A vapor deposition mask includes a front surface, a back surface opposite to the front surface, and inner surfaces defining the respective mask holes. Each mask hole extends between the front surface and the back surface. In a plan view of the front surface, each mask hole includes a large opening, which is located at the front surface, and a small opening, which is located inside the large opening. At least a section of each mask hole has a shape of an inverted frustum extending between the large opening and the small opening. Each inner surface includes a stepped surface spreading from the small opening toward the large opening.

A method for manufacturing an image display device capable of suppressing lifting phenomenon including: step (A): applying a photocurable resin composition to surfaces of a light transmitting optical member or an image display member forming a photocurable resin composition layer; step (B): irradiating the photocurable resin composition layer with light to form a pre-cured resin layer; step (C): bonding the image display member and the light transmitting optical member via the pre-cured resin layer; step (D): obtaining an image display device by irradiating light to the pre-cured resin layer to final-cure the pre-cured resin layer, thereby laminating the image display member and the light transmitting optical member via the light transmitting cured resin layer.

A deposition mask includes: a first mask having an opening formed therein; and a second mask superposed on the first mask and having a plurality of through-holes formed therein, the through-hole having a planar dimension smaller than a planar dimension of the opening; wherein: the deposition mask has a plurality of joints that join the second mask and the first mask to each other; the plurality of joints are arranged along an outer edge of the second mask; and a notch is formed at a position in the outer edge of the second mask, the position corresponding to a space between the adjacent two joints.

The display device includes: a TFT layer; a light-emitting layer in an upper layer than the TFT layer; a first inorganic sealing film in an upper layer than the light-emitting layer; and a second inorganic sealing film in an upper layer than the first inorganic sealing film. An organic edge film is provided on a peripheral edge of a frame region surrounding a display region. The second inorganic sealing film overlaps with an upper face of the organic edge film, and an end face of the organic edge film and an end face of the second inorganic sealing film are aligned with each other.

A display module, a display apparatus including a display module, and a method of manufacturing a display module are provided. The method of manufacturing a display module includes forming a non-conductive layer that includes a fluxing function on a substrate, providing a plurality of light-emitting diodes (LEDs) on the substrate, wherein each LED of the plurality of LEDs has a first electrode pad and a second electrode pad spaced apart by a predetermined interval, and the substrate has a plurality of connection pads that are configured to electrically connect to the first electrode pads and the second electrode pads; thermally compressing the plurality of LEDs; and electrically connecting the plurality of LEDs and the substrate via a plurality of soldering members that are provided on at least one of the plurality of LEDs or the substrate.

A display module, a display apparatus including a display module, and a method of manufacturing a display module are provided. The method of manufacturing a display module includes forming a non-conductive layer that includes a fluxing function on a substrate, providing a plurality of light-emitting diodes (LEDs) on the substrate, wherein each LED of the plurality of LEDs has a first electrode pad and a second electrode pad spaced apart by a predetermined interval, and the substrate has a plurality of connection pads that are configured to electrically connect to the first electrode pads and the second electrode pads; thermally compressing the plurality of LEDs; and electrically connecting the plurality of LEDs and the substrate via a plurality of soldering members that are provided on at least one of the plurality of LEDs or the substrate.

The present invention relates to a compound of a formula (I), in which an electron-deficient group and an arylamino group are connected to one another via an intermediate group. The compound of the formula (I) is suitable as functional material in electronic devices.

The present invention relates to a compound of a formula (I), in which an electron-deficient group and an arylamino group are connected to one another via an intermediate group. The compound of the formula (I) is suitable as functional material in electronic devices.