A display device includes: a substrate including an alignment area in a non-display area, and a display area including a plurality of material layers on the substrate; in the alignment area, a plurality of keys including a first alignment key and a second alignment key. Each alignment key includes a light blocking pattern, a layer pattern and a display pattern. The position of the display pattern within the first alignment key is different from the position of the display pattern within the second alignment key, the layer pattern of the alignment key and one material layer among the plurality of material layers are respective portions of a same material layer on the substrate, and the layer pattern of the first alignment key and the layer pattern of the second alignment key are respective portions of different material layers among the plurality of material layers on the substrate.

An optical sensor system may include a light source. The optical sensor system may include a concentrator component proximate to the light source and configured to concentrate light from the light source with respect to a measurement target. The optical sensor system may include a collection component that includes an array of at least two components configured to receive light reflected or transmitted from the measurement target. The optical sensor system may include may a sensor. The optical sensor system may include a filter provided between the collection component and the sensor.

An optical system includes a focal plane array having a plurality of pixels defined by a first number of pixels arrayed in a first direction and a second number of pixels arrayed in a second direction. The optical system also includes an optical filter optically coupled to the focal plane array. The optical filter has a plurality of super-pixels. Each of the plurality of super-pixels includes a predetermined number of sub-pixels and each of the predetermined number of sub-pixels is characterized by one of a plurality of oscillatory transmission profiles as a function of wavelength.

A quantum dot color filter substrate, a method for manufacturing the same, and a display device are provided. In the method for manufacturing the quantum dot color filter substrate, a plurality of red (R) color resist blocks, green (G) color resist blocks, and blue (B) color resist blocks each having a structure with a wide top surface and a narrow bottom surface are first formed, and then a quantum dot layer is formed on a silicon substrate, and then the quantum dot layer is contacted with the color resist layer, and then the silicon substrate is peeled off to transfer at least parts of the quantum dot layer in contact with the R color resist blocks and the G color resist blocks to surfaces of the R color resist blocks and the G color resist blocks.

An image sensor includes a plurality of pixels configured to receive an optical signal incident through a first lens portion; a planarization layer that has a same refractive index as a refractive index of the first lens portion; a second lens portion that is configured to classify the optical signal incident through the first lens portion according to an incidence angle, and is configured to deliver the optical signal to each of the plurality of pixels; and image processing circuitry configured to generate a subject image by combining one or more subimages obtained from the optical signal, wherein the planarization layer is arranged between the second lens portion and the plurality of pixels.

An optical filter including a plurality of color areas and a surrounding area includes a substrate, a first optical layer on the substrate and including a first to third color filter respectively in a first to third color area, a second optical layer including a first color conversion portion, a second color conversion portion and a light transmission portion respectively overlapping the first color filter, the second color filter and the third color filter, and a light blocking layer, where the light blocking layer includes a body portion in the surrounding area including a light blocking material, and the body portion surrounds both a first and a second opening. The first and second color area are adjacent to each other and an area between the first and the second color area correspond to the first opening, and the third color area corresponds to the second opening.

A display panel, a display motherboard and a display device are provided. The display panel has a plurality of banks and a first sub-pixel group located between two adjacent banks. The first sub-pixel group has a first sub-pixel and a second sub-pixel adjacent to each other, so as to reduce number of banks in the display panel by having no banks between the first sub-pixel and the second sub-pixel, thereby improving a pixel area ratio. This display panel can take into account both requirements of an aperture ratio and a printing process, which is beneficial to mass production.

Provided are a photosensitive composition including a coloring material, a resin, a polymerizable compound, a photopolymerization initiator, and a solvent A, in which the solvent A includes a solvent A1 in which a surface tension at 25° C. is 28.0 mN/m or more, a viscosity at 25° C. is 5.0 mP.Math.s or less, and a boiling point is 160° C. or higher, and a content of the solvent A1 in a total amount of the solvent A is 15% by mass or more; a method for forming a pixel formed of the photosensitive composition; a method for manufacturing an optical filter; a method for manufacturing a solid-state imaging element; and a method for manufacturing an image display device.

An image sensor includes a sensor substrate including a plurality of pixels configured to sense light; a color separation lens array including a plurality of pixel corresponding regions facing the plurality of pixels, wherein each pixel corresponding region of the plurality of pixel corresponding regions includes one or more nanoposts, and the one or more nanoposts are configured to form a phase profile that separates incident light for each wavelength, and to concentrate light in different wavelength bands on the plurality of pixels; and a filter array positioned between the sensor substrate and the color separation lens array, and including a plurality of transparent regions altematingly arranged with a plurality of filters corresponding to a single color.

A method of manufacturing a display apparatus includes: forming a display element layer above a lower substrate, where the display element layer includes first to third display elements; forming an encapsulation layer on the display element layer; forming first partition walls on the encapsulation layer to define first to third color regions, where the first to third color regions overlap the first to third display elements, respectively, in a view in a direction perpendicular to the lower substrate; forming second partition walls on the first partition walls; forming a quantum dot layer, which includes forming a second color quantum dot layer in the second color region and forming a third color quantum dot layer in the third color region; and removing the second partition walls.