G02B5/207

Color conversion panel comprising overcoat and spacer, and display device including the same

A color conversation panel according to an embodiment may include partitioning walls disposed on a substrate, reflective layers disposed on outer surfaces of the partitioning walls, overcoats disposed outside on outer surfaces of the reflective layers and having water repellency, a spacer overlapping a part of the partitioning walls and protruding from a part of the overcoats, the spacer and the overcoats being formed on a same layer, and color conversion layers disposed on the overcoats and disposed in areas defined by the partitioning walls.

Color filters and devices including the same

A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).

Optical filter having polyimide aerogel substrate and infrared radiation scattering particles

The present invention relates to broadband and tunable infrared (IR)-blocking optical filters for millimeter and sub-millimeter astronomy composed of small diffusely scattered particles embedded in an aerogel substrate. The size of the scattering particles included in the aerogel filters can be tuned to give variable cutoff frequencies. In one embodiment, the aerogel scattering optical filters of the present invention have ultra-low density and index of refraction (typically n<1.15), removing the need for anti-reflection coatings that limit bandwidth and increase filter complexity, and allowing for high transmission across an ultra-broad band from zero frequency to above 1 THz, and as much as 10 THz.

COLOR FILTER ARRAY HAVING COLOR FILTERS, AND IMAGE SENSOR AND DISPLAY DEVICE INCLUDING THE COLOR FILTER ARRAY

A color filter array may include a plurality of color filters arranged two-dimensionally and configured to allow light of different wavelengths to pass therethrough. Each of the plurality of color filters includes at least one Mie resonance particle and a transparent dielectric surrounding the at least one Mie resonance particle.

FILTER FOR GLASS CONTAINER

A light filtering glass container including a glass container coated with a light filtering coating obtained by curing a polymerizable composition including semi-conductive nanoparticles. The absorbance through a 5-micrometer thick light filtering coating is greater than 0.5 for each light wavelength ranging from 350 nm to λ.sub.cut, λ.sub.cut being in the range from 420 nm to 480 nm, and the difference of lightness between the uncoated glass container and the glass container with the light filtering coating is lower than 5.

OPTICAL FILTER, SPECTROMETER INCLUDING THE OPTICAL FILTER, AND ELECTRONIC APPARATUS INCLUDING THE OPTICAL FILTER
20220291041 · 2022-09-15 · ·

An optical filter, a spectrometer including the optical filter, and an electronic apparatus including the optical filter are disclosed. The optical filter includes a first reflector including a plurality of first structures that are periodically two-dimensionally arranged, each of the first structures having a ring shape, and a second reflector spaced apart from the first reflector and including a plurality of second structures that are periodically two-dimensionally arranged.

Quantum dot display device and manufacturing method thereof

The present invention provides a quantum dot display device and a manufacturing method thereof. The quantum dot display device includes a base substrate, a backlight, a color conversion layer disposed on a side of the backlight away from the base substrate, and an electro-fluidic shutter disposed on a side of the color conversion layer away from the backlight. The electro-fluidic shutter includes a plurality of shutter units, and a sealing portion is disposed between adjacent shutter units. Contrast of the quantum dot display device under strong ambient light is improved, which is beneficial for application in outdoor advertising displays and the like.

INFRARED FILTER AND THERMAL INFRARED SENSING DEVICE INCLUDING THE SAME
20220221635 · 2022-07-14 ·

An infrared (IR) filter includes a silicon substrate and a metallic reticulated structure that is disposed on the silicon substrate and that is formed with a plurality of holes for transmitting IR light. Also disclosed is a thermal IR sensing device including the IR filter. The thermal IR sensing device includes a housing defining a vacuum chamber, a thermal IR image detector disposed within the vacuum chamber, and the IR filter coupled to the housing in position away from the thermal IR image detector with the metallic reticulated structure facing the thermal IR image detector. The IR filter allows an incident IR light to transmit therethrough so as to be detected by the thermal IR image detector.

IR transmissive visible-light barriers and devices including the same

The disclosed visible-light barrier may include a light-scattering layer that preferentially scatters visible light over infrared light. The light-scattering layer may include (1) a substantially transparent or translucent material and (2) at least one of TiO.sub.2 or ZnO particles dispersed within the substantially transparent or translucent material at a concentration of from approximately 0.02 wt % to approximately 2 wt %. Various other articles, devices, systems, and methods are also disclosed.

Multi-Bandgap Charge-Coupled Device (CCD)

A CCD comprises: a primary device configured to capture visible light and comprising: a first layer comprising a first semiconductor material; and a second layer comprising a second semiconductor material; and a secondary device configured to capture near-IR light and comprising: a third layer comprising a third semiconductor material and positioned such that the second layer is between the first layer and the third layer; and a fourth layer comprising a fourth semiconductor material and positioned such that the third layer is between the second layer and the fourth layer.