G02B5/20

COLOR FILTER ARRAY, IMAGE SENSOR, CAMERA AND ELECTRONIC DEVICE
20230048483 · 2023-02-16 · ·

A color filter array includes a partition wall defining a plurality of sections partitioned from each other by the partition wall, the plurality of sections including first, second, and third sections, and first, second, and third color filters in separate, respective sections of the first, second, and third sections and configured to selectively transmit light in first, second, and third wavelength spectra, respectively, which are different from each other and belonging to a visible light wavelength spectrum, each separate color filter of the first, second, and third color filters is in a separate section of the first, second, or third sections and configured to selectively transmit light in a separate wavelength spectrum of the first, second, or third wavelength spectra, includes a colored layer in the separate section and including a colorant defining the separate wavelength spectrum, and a transparent resin layer on the colored layer in the separate section.

Method and apparatus that provide matte effect while allowing high resolution output from a display
11579343 · 2023-02-14 · ·

A method and an apparatus for providing a matte affect while enhancing an output of a display that comprises multiple display pixels, the apparatus may include a first array of microlenses that is configured to scatter ambient light; a second array of microlenses; wherein first array of microlenses is parallel to the second array of microlenses; wherein microlenses of the first array of microlenses and the microlenses of the second array have a dimension of tens of microns; and wherein the first array of microlenses and the second array of microlenses are shaped and positioned to pass through the image from the display, when the apparatus is attached to the display.

Method of integrating functional tuning materials with micro devices and structures thereof
11581373 · 2023-02-14 · ·

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

Method of integrating functional tuning materials with micro devices and structures thereof
11581373 · 2023-02-14 · ·

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

Color filter and image display device

Disclosed are a color filter including a wavelength conversion layer which converts the wavelength of light, a light transmission layer formed on the wavelength conversion layer, and a wavelength filter layer formed on the light transmission layer, and an image display device. The light transmission layer transmits a light moving between the wavelength conversion layer and the wavelength filter layer and blocks the flow of outgas. The color filter includes the light transmission layer which transmits a light moving between the wavelength conversion layer and the wavelength filter layer and blocks the flow of outgas, thereby capable of achieving high color reproductivity while having excellent light-emitting efficiency and light retention rate.

Reflective device and display apparatus

The present disclosure relates to a reflective device and a display apparatus. In one embodiment, a reflective device includes: a resonant cavity configured to reflect a light of a first wavelength range; and a light conversion structure disposed within the resonant cavity and configured to convert an incident light of a second wavelength range into the light of the first wavelength range.

Absorbing fine particle dispersion liquid and absorbing fine particles dispersion body having excellent long-term stability, and method for producing them

A dispersion body having excellent heat ray shielding properties and long-term high temperature stability, and a dispersion liquid for producing the dispersion body, wherein the dispersion liquid contains liquid medium, absorbing fine particles dispersed in the medium, and a phosphite ester compound, the absorbing fine particles are one or more kinds of oxide fine particles selected from tungsten oxide fine particles represented by a general formula WyOz, and the phosphite ester compound is a phosphite ester compound represented by the following predetermined structural formula, and an addition amount of the phosphite ester compound is more than 500 parts by mass and 50000 parts by mass or less with respect to 100 parts by mass of the absorbing fine particles.

Decorative near-infrared transmission optical filter devices

A colored visibly opaque, highly efficient NIR-transmitting optical filter displaying angle insensitivity is based on one-dimensional photonic crystals. The filter comprises a photonic crystal stack comprising at least one high refractive index layer and two low refractive index layers respectively disposed along a first side and a second side of the high refractive index layer. The photonic crystal stack may have 10 or fewer layers. The filter transmits a first portion of an electromagnetic spectrum having a first range of predetermined wavelengths in an infrared light range or near infrared light range, while reflecting a second portion of the electromagnetic spectrum having a second range of predetermined wavelengths in a visible light range to generate a reflected output. In certain aspects, a refractive index contrast between the at least one high refractive index layer and at least one of the two low refractive index layers is ≥ about 40%.

Semiconductor particles, dispersion, film, optical filter, building member, and radiant cooling device
11579347 · 2023-02-14 · ·

Provided are semiconductor particles including a Group 12-16 semiconductor including a Group 12 element and a Group 16 element, a Group 13-15 semiconductor including a Group 13 element and a Group 15 element, or a Group 14 semiconductor including a Group 14 element, the semiconductor particles having a plasma frequency of 1.7×10.sup.14 rad/s to 4.7×10.sup.14 rad/s and a maximum length of 1 nm to 2,000 nm; and a dispersion, a film, an optical filter, a building member, or a radiant cooling device, in all of which the semiconductor particles are used.

Optical filter with stacked layers
11576456 · 2023-02-14 · ·

An optical filter includes a first layer including a first notch filter arranged to attenuate electromagnetic radiation having a first wavelength λ.sub.1 incident normally thereupon. The optical filter includes a second layer including a second notch filter arranged to attenuate electromagnetic radiation having a second wavelength λ.sub.2 incident normally thereupon. The first wavelength λ.sub.1 and the second wavelength λ.sub.2 are different. The second layer is stacked upon the first layer. In use, the first notch filter attenuates the electromagnetic radiation having a predetermined wavelength λ incident thereupon at a first angle of incidence θ.sub.1 and the second notch filter attenuates the electromagnetic radiation having the predetermined wavelength λ incident thereupon at a second angle of incidence θ.sub.2, wherein the first angle of incidence θ.sub.1 and the second angle of incidence θ.sub.2 are different.