Provided is a measuring device configured to measure an outer shape of a metal plate containing a magnetic body. The measuring device includes a stage on a front face of which the metal plate is set, a light source configured to radiate light toward the stage, an image acquisition unit configured to acquire an image of the metal plate, a plurality of magnetic force generation units configured to generate magnetic force on a back face side of the stage, and a controller configured to control positions at which the magnetic force is generated.

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.

A vapor deposition apparatus disclosed by an embodiment comprises: a vacuum chamber (8); a mask holder (15) for holding a deposition mask 1; a substrate holder (29) for holding a substrate for vapor deposition (2); an electromagnet (3) disposed above a surface; a vapor deposition source 5 for vaporizing or sublimating a vapor deposition material; and a heat pipe (7) including at least a heat absorption part (71) and a heat dissipation part (72), the heat absorption part being in contact with the electromagnet (3), and the heat dissipation part being derived to an outside of the vacuum chamber (8). The heat pipe (7) and the electromagnet (3) are in intimate contact with each other at an area of a contact part between the heat pipe (7) and the electromagnet (3), the area being equal to or more than a cross-sectional area within an inner perimeter of a coil (32).

Provided is a polymer for an organic electroluminescent device, which has high luminous efficiency and high durability, and is applicable to a wet process. In an organic electroluminescent device having laminated, on a substrate, an anode, organic layers, and a cathode, a material containing the polymer for an organic electroluminescent device, which includes a polyphenylene main chain having a pentacyclic fused heterocyclic structure in a side chain thereof, is used in at least one layer of the organic layers.

This organic EL display device (100) is provided with an element substrate which comprises multiple pixels and which comprises organic EL elements (3) arranged in each pixel and bank layers (48) defining the pixels, and a thin-film sealing structure (10) which covers the pixels. The thin-film sealing structure includes a first inorganic barrier layer (12), and an organic barrier layer (14) in contact with the upper surface or lower surface of the first inorganic barrier layer. The multiple pixels include red pixels, green pixels and blue pixels, and further have a first polydiacetylene layer (52a) which exhibits a blue color and which is provided selectively on a second inorganic barrier layer (16) of the thin-film sealing structure on blue pixels, and a second polydiacetylene layer (52b) which exhibits a red color and which is provided selectively on the thin-film sealing structure on red pixels. The first and second polydiacetylene layers are a polymer of 10,12-pentacosadiynoic acid.

In a A film forming mask includes a plurality of first openings are formed on the film-forming a thin film pattern on a substrate. A second opening is formed around each of the plurality of first openings An opening area of the second opening is smaller than an opening area of each of the plurality of first openings.

In a flexible OLED device production method, after an intermediate region and flexible substrate region of a plastic film of a multilayer stack are divided, the interface between the flexible substrate region and glass base is irradiated with laser light. The multilayer stack is separated into first and second portions while the multilayer stack is kept in contact with the stage. The first portion includes a plurality of OLED devices in contact with the stage. The OLED devices include a plurality of functional layer regions and the flexible substrate region. The second portion includes the glass base and intermediate region. The laser light is formed from a plurality of arranged laser light sources and irradiation intensity for at least part of the interface between the intermediate region and the glass base is lower than the irradiation intensity for the interface between the flexible substrate region and the glass base.

Provided is a display device in which more than one pixel is arranged in a two-dimensional matrix on a circuit board, the pixel including a light emission unit including a first electrode, an organic layer, and a second electrode that are stacked, in which the first electrode is disposed for each light emission unit, and a partition is formed between the first electrode and an adjacent first electrode, the organic layer and the second electrode are stacked on an entire surface including the first electrode and the partition, the first electrode is formed on an interlayer insulation film, and a reflection film is formed below the first electrode, the reflection film including a light reflecting surface disposed to be flush with a boundary plane on which different insulation materials are in contact with each other in the interlayer insulation film.

A deposition mask has a central axis extending in a first direction, arranged at a central position in a second direction orthogonal to the first direction. Spaced apart point P1 and Q1 are provided on one side of the central axis, and spaced apart points Q1 and Q2 are provided on another side of the central axis. When a dimension from point P1 to point Q1 is X1, a dimension from point P2 to a point Q2 is X2, and a design value is α.sub.x, the deposition mask satisfies the following. $ .Math. α X - X ⁢ ⁢ 1 + X ⁢ ⁢ 2 2 .Math. ≤ 40 ⁢ ⁢ .Math.m ⁢ ⁢ and [ Formula ⁢ ⁢ 1 ] .Math. X ⁢ ⁢ 1 - X Display device and production method therefor 10991910 · 2021-04-27 · Sharp Kabushiki Kaisha, Sakai Display Products Corporation · Takashi Ochi, Tohru Sonoda, Takeshi Hirase, Katsuhiko Kishimoto An encapsulation film covering a light emitting element includes: a first inorganic layer covering the light emitting element; an organic layer formed on the first inorganic layer; a second inorganic layer formed on the organic layer; and a third inorganic layer formed on the second inorganic layer. The peripheral end face of the second inorganic layer is aligned with the peripheral end face of the organic layer. The third inorganic layer covers the peripheral end face of the first inorganic layer or the peripheral end face of the second inorganic layer. $