A display device includes a substrate, a thin film transistor provided on the substrate, a first electrode connected to the thin film transistor, a second electrode overlapping the first electrode, and a partition wall and a light-emitting device layer provided between the first electrode and the second electrode. The partition wall may include a main chain and a side chain connected to the main chain, and a carbon number of the side chain may be equal to or greater than 14.

Laminate, method of manufacturing laminate, transistor, and method of manufacturing transistor using a composition having the following (a) to (c): (a) a first organic compound represented by Formula (1) below (R represents a hydrogen atom or a glycidyl group. A plurality of Rs may be identical to or different from each other, but each of at least two Rs is a glycidyl group), (b) a second organic compound represented by Formula (2) below, and (c) a photocationic polymerization initiator ##STR00001##

An additive for a light-emitting layer contains a compound represented by formula (1): ##STR00001##
where X is P, C, or S; A is a cyclic hydrocarbon group that may have H, a direct bond, a chain hydrocarbon group, or a heteroatom; R is H or an alkyl group, and a plurality of R may link together to form a ring, and if said ring is formed, at least one R is an alkyl group; m is 0 or 1; r is 1 when X is a phosphorous atom or a carbon atom and 2 when X is a sulfur atom; n is a number represented by 3-m when X is a phosphorous atom, and a number represented by 2-m if X is a carbon atom or a sulfur atom; and p is 1 when m is 0, at least 1 when m is 1, and is a substitutable number in A.

The present specification relates to a polymer comprising a unit represented by Chemical Formula 2, and an end group represented by Chemical Formula 5, and an organic light emitting device using the same:

##STR00001## wherein all the variables are described herein.

Devices, structures, materials and methods for vertical light emitting transistors (VLETs) and light emitting displays (LEDs) are provided. In particular, architectures for vertical polymer light emitting transistors (VPLETs) for active matrix organic light emitting displays (AMOLEDs) and AMOLEDs incorporating such VPLETs are described. Porous conductive transparent electrodes (such as from nanowires (NW)) alone or in combination with conjugated light emitting polymers (LEPs) and dielectric materials are utilized in forming organic light emitting transistors (OLETs). Combinations of thin films of ionic gels, LEDs, porous conductive electrodes and relevant substrates and gates are utilized to construct LETs, including singly and doubly gated VPLETs. In addition, printing processes are utilized to deposit layers of one or more of porous conductive electrodes, LEDs, and dielectric materials on various substrates to construct LETs, including singly and doubly gated VPLETs.

A monolithic reusable microwire assembly can include a substrate and an electrically conductive thin-film wire formed on the substrate. The conductive thin-film wire can include a narrow segment forming an active area. A thermally and electrically insulating barrier can be formed on the electrically conductive thin-film wire. A roughness-reducing layer can be formed on the thermally and electrically insulating barrier and can have minimal surface roughness.

A method for making a polymer solar cell includes placing a carbon nanotube array into a polymer solution. The carbon nanotube array includes a plurality of carbon nanotubes. The polymer solution is cured to form a polymer layer. The polymer layer includes a first polymer surface and a second polymer surface opposite to the first polymer surface. Each of the plurality of carbon nanotubes includes a first carbon nanotube portion and a second carbon nanotube portion, the first carbon nanotube portion is embedded in the polymer layer, and the second carbon nanotube portion is exposed from the polymer layer. The second carbon nanotube portion is tilted on the first polymer surface to form a carbon nanotube layer. A cathode electrode is formed on a surface of the carbon nanotube layer away from the polymer layer. An anode electrode is formed on the second polymer surface.

A light emitting device includes a substrate supporting a first light emitting element and a second light emitting element, the first light emitting element being configured to emit, in a first principal direction, light in a first wavelength band and the second light emitting element being configured to emit, in the first principal direction, light in a second wavelength band different from the first wavelength band, each light emitting element including: a light emitting diode layer, extending in a plane perpendicular to the first direction, having a thickness of 10 microns or less in the first direction and a maximum lateral dimension of 100 microns or less orthogonal to the first direction, the light emitting diode layer including a semiconductor material; and one or more layers configured to enhance an optical mode of the light emitted in the corresponding first or second wavelength band perpendicular to the plane and/or suppress an optical mode of the light emitted in the corresponding first or second wavelength band in the plane.

A variable transmission display comprises an electrophoretic medium having electrically charged particles dispersed in a fluid, the electrophoretic medium being capable of assuming a light-transmissive state and a substantially non-light-transmissive state; a light-transmissive first electrode disposed adjacent one side of the electrophoretic medium; light-transmissive second electrodes disposed adjacent the other side of the electrophoretic medium; and voltage means for varying the potential each of the second electrodes independently of one another.

The present disclosure provides an organic light emitting diode (OLED) device and a method for manufacturing the same, an OLED display substrate and an OLED display device. The OLED device of the present disclosure comprises a substrate, and a first electrode, a light emitting layer and a second electrode arranged on the substrate, wherein the light emitting layer comprises fibers of p-phenylene based polymer as a host material, and the fibers of p-phenylene based polymer are arranged in a first orientation; and wherein the light emitted by the fibers of p-phenylene based polymer arranged in the first orientation is linearly polarized light in a first direction. The OLED device of the present disclosure can simultaneously ensure a good contrast, brightness and light transmittance.