A multi-piece substrate integrally having a plurality of product regions each provided with a light-emitting element driven by a current and a blank region adjacent to each of the plurality of product regions is prepared. The current is passed through a cathode pad and an anode pad to inspect the light-emitting element. A plurality of display panels are cut out from the multi-piece substrate so as to respectively correspond to the plurality of product regions. The multi-piece substrate includes a plurality of first test pads disposed in each of the plurality of product regions for inspecting the light-emitting element, and a plurality of second test pads disposed in the blank region for inspecting the light-emitting element. The cathode pad and the anode pad are included in the plurality of first test pads and are not included in the plurality of second test pads.

In order to make a step of forming an coated-type polarizer easier, provided is a display device including, from a lower layer, a TFT layer, a light-emitting layer, a sealing layer, and a polarization layer in this order, in which the polarization layer includes a polymerizable liquid crystal layer containing a polymerizable liquid crystal into which a dichroic pigment is mixed and an alignment film coming in contact with a portion of the polymerizable liquid crystal layer to align the polymerizable liquid crystal contained in the polymerizable liquid crystal layer with which the alignment film is in contact, and in a display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer come into contact with each other is a polarization portion, and in a frame region surrounding the display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer do not come in contact with each other is a black frame portion.

A quantum dot includes: an inner barrier layer; a quantum well layer formed on at least a part of the inner barrier layer, wherein a presence or absence of the quantum well layer or a thickness of the quantum well layer varies from location to location on the inner barrier layer; and an outer barrier layer formed on a surface of the quantum well layer opposite to a surface adjacent to the inner barrier layer.

A method for manufacturing a light-emitting device includes forming the quantum dot layer. The forming the quantum dot layer includes: performing first application that involves applying a first solution on a position overlapping with the substrate; performing first light irradiation, that involves irradiating with light, from above the substrate, the position where the first solution is applied; performing second light irradiation, that involves irradiating the position with light to raise a temperature of the quantum dot; and performing third light irradiation, that involves irradiating the position with light to cause the first inorganic precursor to epitaxially grow around the first shell. In the performing third light irradiation, at least one set of the quantum dots adjacent to each other is connected to each other via the second shell.

A deposition mask in which deformation of long sides is restrained is manufactured. A manufacturing method of a deposition mask includes a step of preparing a metal plate; a processing step of processing the metal plate into an intermediate product comprising: a plurality of deposition mask portions each including a pair of long sides and a pair of short sides, and having a plurality of through-holes formed therein; and a support portion that surrounds the plurality of deposition mask portions, and is partially connected to the short sides of the plurality of deposition mask portions; and a separation step of separating the deposition mask portions from the support portion to obtain the deposition mask. In the intermediate product, the long sides of the deposition mask portions are not connected to the support portion.

A deposition mask in which deformation of long sides is restrained is manufactured. A manufacturing method of a deposition mask includes a step of preparing a metal plate; a processing step of processing the metal plate into an intermediate product comprising: a plurality of deposition mask portions each including a pair of long sides and a pair of short sides, and having a plurality of through-holes formed therein; and a support portion that surrounds the plurality of deposition mask portions, and is partially connected to the short sides of the plurality of deposition mask portions; and a separation step of separating the deposition mask portions from the support portion to obtain the deposition mask. In the intermediate product, the long sides of the deposition mask portions are not connected to the support portion.

Certain exemplary embodiments relate to entertainment systems that interact with users to provide access to media appropriate to and/or customized for a particular user using the entertainment system, the location at which the entertainment system is being accessed, and/or a predefined event. For example, in certain exemplary embodiments, an entertainment system in a location is configured to provide jukebox-related and entertainment system mediated services that are accessible from within and from the outside of the location, and provide (1) attract or flight media operations, (2) browsing services, and/or (3) search screens appropriate to and/or customized for a particular user using the entertainment system, the location at which the entertainment system is being accessed, and/or a predefined event. Such screens may be provided with a three-dimensional look-and-feel in certain exemplary embodiments.

Certain exemplary embodiments relate to entertainment systems that interact with users to provide access to media appropriate to and/or customized for a particular user using the entertainment system, the location at which the entertainment system is being accessed, and/or a predefined event. For example, in certain exemplary embodiments, an entertainment system in a location is configured to provide jukebox-related and entertainment system mediated services that are accessible from within and from the outside of the location, and provide (1) attract or flight media operations, (2) browsing services, and/or (3) search screens appropriate to and/or customized for a particular user using the entertainment system, the location at which the entertainment system is being accessed, and/or a predefined event. Such screens may be provided with a three-dimensional look-and-feel in certain exemplary embodiments.

A light-emitting element, includes: an anode; a cathode facing the anode; a light-emitting layer provided between the anode and the cathode, and containing a phosphor; and at least one intermediate layer provided between the anode and the light-emitting layer, and containing at least one of oxide of a metal or hydroxide of the metal.

A light-emitting element includes: a cathode; an anode; an EML provided between the cathode and the anode; and an ETL provided between the cathode and the EML. The ETL contains, on an interface at least to the EML, metal oxide nano particles and a polymer chemically bonding to a surface of the metal oxide nano particles. The polymer contains a main chain of a polysiloxane bond and a side chain of an organic group.