H05B33/145

HUMIDITY-SENSING STRUCTURAL COLOR EMITTING LAMINATE AND STRUCTURAL COLOR DISPLAY DEVICE SELF-POWERED BY TRIBOELECTRICITY INCLUDING THE SAME LAMINATE
20230184687 · 2023-06-15 ·

The present invention relates to a humidity-sensing structural color emitting laminate and a structural color display device self-powered by triboelectricity including the same, and more specifically to a structural color display device self-powered by triboelectricity, which can directly sense humidity among human body signals and display the same in structural color immediately without a separate power source and without data processing, and a humidity-sensing structural color emitting laminate for implementing the same.

ORGANIC EL ELEMENT AND DISPLAY DEVICE
20170309854 · 2017-10-26 · ·

An organic electroluminescent (EL) element includes: a first electrode; an interlayer formed above the first electrode; an organic light-emitting layer formed using the interlayer as a foundation; and a second electrode formed above the organic light-emitting layer. The organic light-emitting layer contains at least a host material and a dopant material. The interlayer is formed using a material which has an energy gap larger than an energy gap of the dopant material and a highest occupied molecular orbital (HOMO) level deeper than a HOMO level of the dopant material.

System and method for forming a thin-film phosphor layer for phosphor-converted light emitting devices
09797041 · 2017-10-24 · ·

A thin-film phosphor layer can be formed by an improved deposition method involving: (1) forming a phosphor powder layer that is substantially uniformly-deposited on a substrate surface; and (2) forming a polymer binder layer to fill gaps among loosely packed phosphor particles, thereby forming a substantially continuous layer of thin film.

Backlit luminous structure with UV coating

The present disclosure relates generally to a backlit luminous structure. The backlit luminous structure includes a substrate, such as a two dimensional or three dimensional object or surface, an ultraviolet emitting electroluminescent coating or other type of UV emitting coating that emits ultraviolet wavelengths when activated, and an ultraviolet activated luminous coating applied on the ultraviolet emitting electroluminescent coating. When activated, the ultraviolet emitting electroluminescent coating generates ultraviolet wavelengths that aviate the luminous coating. The backlit luminous structure may be used in a variety of applications, such as, but not limited to, theme parks, amusement attractions, or the like.

ORGANIC EL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
20170338437 · 2017-11-23 ·

The invention provides an organic EL display device that, even if bent, is not prone to plastic deformation and has improved moisture blocking characteristics.

An organic EL display device includes: a glass substrate; an organic EL layer formed on an upper side of the glass substrate; and a support substrate glued on a lower side of the glass substrate via a first adhesive. Recessed portions or projecting portions are formed on the glass substrate at a side thereof facing the support substrate. The recessed portions or a space between each of the projecting portions is filled with the first adhesive.

OLED display panel and the method for fabricating the same, and OLED display apparatus

The present disclosure provides an OLED display panel and a method for fabricating the same and an OLED display apparatus. The OLED display panel includes a light-emitting layer, the light-emitting layer includes white sub-pixels and color sub-pixels, the size of the white sub-pixel is equal to the sum of size of at least two of the color sub-pixels, and the number of the color sub-pixels is less than the number of color-forming primary colors. The OLED display panel further includes a color film, the color film including color blocks matching the color sub-pixels, the color blocks being disposed on a side of the light-emitting layer toward the display side and at positions corresponding to the positions where the white sub-pixels are located.

Light-emitting element, light-emitting device, display device, electronic device, and lighting device

An object is to provide a light-emitting element which uses a plurality of kinds of light-emitting dopants and has high emission efficiency. In one embodiment of the present invention, a light-emitting device, a light-emitting module, a light-emitting display device, an electronic device, and a lighting device each having reduced power consumption by using the above light-emitting element are provided. Attention is paid to Förster mechanism, which is one of mechanisms of intermolecular energy transfer. Efficient energy transfer by Förster mechanism is achieved by making an emission wavelength of a molecule which donates energy overlap with a local maximum peak on the longest wavelength side of a graph obtained by multiplying an absorption spectrum of a molecule which receives energy by a wavelength raised to the fourth power.

IMAGE DISPLAY DEVICE
20170278894 · 2017-09-28 ·

It is an object of the present invention to provide an image display device in which it is possible to adjust the spectrum of light emitted by pixels and adjust the chromaticity of the light emitted by the pixels. Provided is an image display device having a pixel region in which each pixel comprises a plurality of subpixels and the pixels are arranged in a matrix, wherein each of the subpixels includes a plurality of light-emitting layers overlapping each other with an electrode sandwiched therebetween, and the plurality of light-emitting layers each contain a quantum dot material and have different peak emission wavelengths from each other.

Curved display and curved display support
11246193 · 2022-02-08 · ·

An emissive surface assembly includes an emissive surface configuration having a substantially contiguous emissive surface on which visual content may be presented. The emissive surface configuration has emissive surface sections including at least a first substantially flat emissive surface section, at least first and second curved emissive surface sections that are curved about first and second non-parallel axis, the first curved section positioned adjacent a first edge of the first substantially flat emissive surface section, the second curved section adjacent a second edge of the first substantially flat emissive surface section, each of the curved and flat surface sections forming a portion of the substantially contiguous emissive surface, and a driver for presenting content on the substantially contiguous emissive surface.

METHOD OF FABRICATING WHITE ORGANIC LIGHT-EMITTING DEVICE BY USING ELECTROSPRAYING
20170244071 · 2017-08-24 ·

A method of manufacturing a white organic light-emitting device (white OLED) including a first electrode, a hole transport layer, a white light-emitting layer, an electron transport layer, and a second electrode which are sequentially formed on a substrate, the method including manufacturing a red ink by mixing a red light-emitting host and a red light-emitting dopant, manufacturing a green ink by mixing a green light-emitting host and a green light-emitting dopant, manufacturing a blue ink by mixing a blue light-emitting host and a blue light-emitting dopant, and forming a white light-emitting layer as a monolayer on the hole transport layer by separately electrospraying the red ink, the green ink, and the blue ink on the hole transport layer, wherein the white light-emitting layer includes a plurality of red light-emitting domains, a plurality of green light-emitting domains, and a plurality of blue light-emitting domains on the hole transport layer.