Provided is, for example, a pattern-forming composition that contains a triazine ring-containing polymer having a predetermined repeating unit structure, represented by formula [4] below, a crosslinking agent, and an organic solvent.

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In order to realize a light-emitting element having high luminous efficiency in a light-emitting device with quantum dots, the light-emitting element including a hole transport layer and a light-emitting layer including a quantum dot luminescent body, the hole transport layer and the light-emitting layer being layered on each other is provided. The hole transport layer includes a compound of one or more of Cu.sup.+, Ag.sup.+, and Au.sup.+, and one or more of I.sup.−, SCN.sup.−, SeCN.sup.−, and CN.sup.−.

A substrate (100) is a light-transmitting substrate. A light-transmitting first electrode (110) is formed over the substrate (100). An insulating layer (150) is formed over the substrate (100) and the first electrode (110) and includes an opening (152) overlapping the first electrode (110). An organic layer (120) is located within at least the opening (152). A light-transmitting second electrode (130) is formed over the organic layer (120). An intermediate layer (200) is formed in at least a portion of a region of a lateral side of the first electrode (110) overlapping the first electrode (110). A refractive index of the intermediate layer (200) is between a refractive index of the substrate (100) and a refractive index of the first electrode (110).

A substrate (100) is a light-transmitting substrate. A light-transmitting first electrode (110) is formed over the substrate (100). An insulating layer (150) is formed over the substrate (100) and the first electrode (110) and includes an opening (152) overlapping the first electrode (110). An organic layer (120) is located within at least the opening (152). A light-transmitting second electrode (130) is formed over the organic layer (120). An intermediate layer (200) is formed in at least a portion of a region of a lateral side of the first electrode (110) overlapping the first electrode (110). A refractive index of the intermediate layer (200) is between a refractive index of the substrate (100) and a refractive index of the first electrode (110).

An opening, which is provided on the inner side of a first pixel electrode, which is a first electrode formed in a display region, is larger than an opening, which is provided on the inner side of a second pixel electrode, which is the first electrode formed in a dummy display region. Further, a light-emitting layer (a first light-emitting layer) formed in the display region has the same shape and the same size as a light-emitting layer (a second light-emitting layer) formed in the dummy display region.

An organic light-emitting diode comprising an organic layer sequence, a radiation exit area and an encapsulation. The organic layer sequence comprises at least one radiation-emitting region which generates electromagnetic radiation in the spectral range from infrared radiation to UV radiation during operation. The radiation exit area is structured, so that the electromagnetic radiation has a directional emission profile. The encapsulation forms a seal of the organic layer sequence against environmental influences.

An organic light-emitting diode comprising an organic layer sequence, a radiation exit area and an encapsulation. The organic layer sequence comprises at least one radiation-emitting region which generates electromagnetic radiation in the spectral range from infrared radiation to UV radiation during operation. The radiation exit area is structured, so that the electromagnetic radiation has a directional emission profile. The encapsulation forms a seal of the organic layer sequence against environmental influences.

The present invention provides a circularly polarizing plate capable of reducing the amount of change in tint and a difference in reflectivity while achieving thinning of a display device and a display device having the same. The circularly polarizing plate of the present invention includes a polarizer, a transparent support, an optically anisotropic layer including a liquid crystal compound in this order, in which the optically anisotropic layer satisfies Expression (1) and the transparent support has a thickness of 50 μm or less and satisfied Expression (2), 100≦Re(550)≦180 nm . . . (1) and 1.00≦R≦1.20 . . . (2), in Expression (1), Re(550) represents an in-plane retardation of the optically anisotropic layer at a wavelength of 550 nm and in Expression (2), R represents a ratio between a maximum value and a minimum value of modulus of elasticity of the transparent support.

The present invention provides a circularly polarizing plate that makes it possible to realize a bendable display device having reduced reflectivity and reflective tint and has excellent bending resistance, and a display device including a circularly polarizing plate. The circularly polarizing plate of the present invention is a circularly polarizing plate used for a bendable display device and includes a polarizer, and a phase difference film that is arranged on one side of the polarizer. The phase difference film includes a λ/2 plate and a λ/4 plate, the λ/2 plate and the λ/4 plate each include a liquid crystal compound, and a slow axis direction of the phase difference film is adjusted to define an angle of 75 to 105 degrees with respect to a bending direction of the display device.

A phase difference film and a circularly polarizing film each achieve suppressed coloration when viewed from the front direction, a smaller difference in tint between views from the front direction and the oblique direction, and suppressed image unevenness, where the film is applied to an image display panel, in particular, an organic EL panel; as well as an image display device including the circularly polarizing film. The phase difference film includes optically anisotropic layers A and B, in which a retardation RthA of layer A in the thickness direction at a wavelength of 550 nm is larger than 0, layer A exhibits predetermined optical properties, a retardation RthB of layer B in the thickness direction at a wavelength of 550 nm is smaller than 0, layer B satisfies predetermined optical properties, and the angle formed between a slow axis of the optically anisotropic layers A and B is 90°±10°.