A first light emitting unit includes a hole injection layer, a first hole transport layer, and a first light emitting layer. A second light emitting unit includes a hole injection layer, a second hole transport layer, a third hole transport layer, a third hole transport layer, and a second light emitting layer. The second hole transport layer is formed on the hole injection layer and includes a first hole transporting material. The third hole transport layer is formed on the second hole transport layer and includes a second hole transporting material. A fourth hole transport layer is formed on the third hole transport layer and includes the same material as the second hole transport layer, that is, the second hole transporting material. The third hole transport layer is formed by using a coating method, and the fourth hole transport layer is formed by a vapor deposition method.

A first light emitting unit includes a hole injection layer, a first hole transport layer, and a first light emitting layer. A second light emitting unit includes a hole injection layer, a second hole transport layer, a third hole transport layer, a third hole transport layer, and a second light emitting layer. The second hole transport layer is formed on the hole injection layer and includes a first hole transporting material. The third hole transport layer is formed on the second hole transport layer and includes a second hole transporting material. A fourth hole transport layer is formed on the third hole transport layer and includes the same material as the second hole transport layer, that is, the second hole transporting material. The third hole transport layer is formed by using a coating method, and the fourth hole transport layer is formed by a vapor deposition method.

Provided are a vapor deposition apparatus, a vapor deposition method, and a method of manufacturing an organic EL display apparatus which can prevent heat generation of a magnet chuck by using the magnet chuck that strongly attracts a deposition mask to dispose a substrate for vapor deposition and the deposition mask in proximity to each other during vapor deposition, while being less influenced by any magnetic field during alignment between the substrate for vapor deposition and the deposition mask. In the vapor deposition apparatus, a magnet chuck (3) includes a permanent magnet (3A) and an electromagnet (3B).

A vapor deposition mask includes a mask substrate including a mask aperture, and a base material of the mask substrate includes fibrous micro cellulose.

A vapor deposition mask includes a mask substrate including a mask aperture, and a base material of the mask substrate includes fibrous micro cellulose.

According to one embodiment, there is provided a white light source system including white light sources. An absolute value of a difference between (P()V())/(P(max1)V(max1)) and (B()V())/(B(max2)V(max2)) for each of the white light sources satisfies a relational expression represented by
|((P()V())/(P(max1)V(max1))(B()V())/(B(max2)V(max2))|0.15 The white light source system has a light emission characteristic of white light emitted by the system is continuously changed along with an elapse of time by changing a mixing ratio of light beams from the white light sources.

According to one embodiment, there is provided a white light source system including white light sources. An absolute value of a difference between (P()V())/(P(max1)V(max1)) and (B()V())/(B(max2)V(max2)) for each of the white light sources satisfies a relational expression represented by
|((P()V())/(P(max1)V(max1))(B()V())/(B(max2)V(max2))|0.15 The white light source system has a light emission characteristic of white light emitted by the system is continuously changed along with an elapse of time by changing a mixing ratio of light beams from the white light sources.

A display device includes a resin substrate; a display circuit layer on the resin substrate, the display circuit layer having a first area including a display area, the display circuit layer having a second area apart from the first area in a first direction; a first film attached to the first area of the display circuit layer via a first adhesive layer; a second film attached to the second area of the display circuit layer via a second adhesive layer; and a resin layer between the first area and the second area of the display circuit layer. The resin layer is in contact with an edge surface of the first film opposed to the second film. The resin layer is in contact with an edge surface of the second film opposed to the first film.

A light-emitting element includes a light-emitting layer provided between a first electrode and a second electrode and including quantum dots, and an interposition film interposed between the first electrode and the light-emitting layer, and the interposition film includes a halogen simple substance including first halogen atoms.

A light-emitting element includes a first electrode, a hole transport layer formed on the first electrode, a light-emitting layer formed on the hole transport layer, and a second electrode formed on the light-emitting layer, wherein the hole transport layer contains a first hole transport material having a 3D mesh structure with molecules including a hole-transportability skeleton and at least two thermosetting functional groups being joined together to constitute a high molecule and contains a second hole transport material including a plurality of molecules having hole transportability.