H10K85/731

DISPLAY DEVICE
20200395416 · 2020-12-17 ·

A display device includes a plurality of light emitting elements which emits a blue light; a light control layer disposed on the light emitting elements and including: a first light control part which absorb the blue light and emits a red light; a second light control part which absorbs the blue light and emits a green light; and a third light control part which transmits the blue light; and a light selective filter disposed on the light control layer. The light selective filter includes a liquid crystal filter and a color filter. The liquid crystal filter transmits red light and green light and blocks blue light. The color filter is absorbs the red light and the green light and transmits the blue light.

Display panel, display device, and fabrication method thereof

A display panel includes an array substrate, including a display region containing a plurality of display pixels and a border region; and a scattering layer, located on one side of the array substrate and including a scattering region. The plurality of display pixels includes a plurality of pixel rows extending along a first direction and a plurality of pixel columns extending along a second direction. The first direction and the second direction intersect each other. The border region includes an irregularly-shaped border. The plurality of display pixels includes a first plurality of display pixels adjacent to the irregularly-shaped border. The first plurality of display pixels is located in different pixel rows and different pixel columns. A plurality of scattering particles is disposed in the scattering region, and an orthogonal projection of the scattering region on the array substrate covers at least a portion of the first plurality of display pixels.

PHOTOELECTRIC CONVERSION DEVICE AND IMAGING APPARATUS

[Problem] Provided are a photoelectric conversion device and an imaging apparatus capable of improving quantum efficiency and a response speed.

[Solving means] A first photoelectric conversion device according to one embodiment of the present disclosure includes a first electrode, a second electrode opposed to the first electrode, and a photoelectric conversion layer. The photoelectric conversion layer is provided between the first electrode and the second electrode and includes at least one type of one organic semiconductor material having crystallinity. Variation in a ratio between horizontally-oriented crystal and vertically-oriented crystal in the photoelectric conversion layer is three times or less between a case where film formation of the one organic semiconductor material is performed at a first temperature and a case where the film formation of the one organic semiconductor material is performed at a second temperature. The second temperature is higher than the first temperature.

Diffusion-limiting electroactive barrier layer for an optoelectronic component
10763437 · 2020-09-01 · ·

An optoelectronic component is provided having a cathode, an anode and a layer system between the cathode and the anode, the layer system includes electroactive layers, in particular charge-carrier injection and transport layers, and including an optically active layer, the charge-carrier injection and transport layers themselves being a diffusion barrier to water or oxygen.

Band edge emission enhanced organic light emitting diode utilizing chiral liquid crystalline emitter
10727421 · 2020-07-28 · ·

Disclosed herein is a light emitting device and method of manufacturing such a device comprised of a series of photopolymerizable, chiral liquid crystalline layers that can be solvent cast on a substrate. The mixture of chiral materials in each successive layer may be blended in such a way that each layer has the same chiral pitch. Further the chiral materials in each layer may also be blended so that the ordinary and extraordinary refractive indices in each layer match the other layers such that the complete assembly of layers will optically function as a single relatively thick layer of chiral liquid crystal. The chiral nematic material in each layer can spontaneously adopt a helical structure with a helical pitch. The light emitting layers of the light emitting device can further comprise electroluminescent material that emits light into the band edge light propagation modes of the photonic crystal.

Photoelectric conversion device and method for manufacturing the same

The present embodiments provide a flexible, lightweight and highly efficient photoelectric conversion device and further provide a manufacturing method thereof. The photoelectric conversion device according to the embodiment comprises a laminate structure of a substrate, an ITO electrode, a photoelectric conversion layer and a counter electrode. When subjected to surface X-ray diffraction analysis, the ITO electrode shows an X-ray diffraction profile characterized in that the peak at a diffraction peak position in the range of 2=30.60.5 has a half-width of 1.0 or less. The ITO electrode in the device can be formed by forming an amorphous-phase ITO film on the substrate and then by subjecting the film to annealing treatment at a temperature of 200 or less.

Liquid crystal photoalignment materials
10707426 · 2020-07-07 · ·

A charge transporting, liquid crystal photoalignment material comprising a charge transporting moiety connected through covalent chemical bonds to a surface derivatising moiety, and a photoalignment moiety connected through covalent chemical bonds to a surface derivatising moiety.

METHOD OF MAKING ELECTROCALORIC ARTICLES

A method of making an electrocaloric is disclosed. The method includes: (a) providing a roll of a film comprising an electrocaloric material or a supply of multiple sheets of a film comprising an electrocaloric material; (b) delivering film from the roll or the supply of multiple sheets to a conductive material application station; (c) forming electrodes comprising a patterned disposition of conductive material on the film at the application station to form an electrocaloric article (d) delivering film from the application station to a take-up roll or an inventory of electrocaloric sheets; and (e) repeating (b), (c), and (d) to form multiple electrocaloric articles.

Active matrix enhanced organic light emitting diode displays for large screen graphic display applications
10680185 · 2020-06-09 ·

A light emitting photonic crystal composed of chiral liquid crystalline material and having an organic light emitting diode and methods of making the same are disclosed. An organic light emitting diode disposed within a photonic structure having a band-gap, or stop-band, allows the photonic structure to emit light at wavelengths occurring at the edges of the band-gap.

POLYMERIZABLE LIQUID CRYSTAL COMPOSITION AND RETARDATION PLATE
20200165519 · 2020-05-28 ·

A polymerizable liquid crystal composition containing two polymerizable liquid crystal compounds (A) and (B) is provided. A polymer of compound (A) exhibits a reverse wavelength dispersion property and the phase difference value [R(A,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm.sup.2 varies in a positive sense relative to the phase difference value [R(A,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm.sup.2. A polymer of compound (B) exhibits a reverse wavelength dispersion property and the phase difference value [R(B,3000,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 3000 mJ/cm.sup.2 varies in a negative sense relative to the phase difference value [R(B,500,450)] at a wavelength of 450 nm measured after irradiation in an oriented state with ultraviolet ray at 500 mJ/cm.sup.2.