A method for manufacturing a light field display device and a light field display device are provided, the method includes: forming a plano-concave lens layer on a substrate, and the plano-concave lens layer comprises a plurality of plano-concave lenses arranged in an array and a plurality of alignment marks arranged at preset positions; forming a first planarization layer covering the plano-concave lens layer to form a microlens array, the first planarization layer having a refractive index greater than a refractive index of the plano-concave lens layer; attaching the light-emitting side of the display panel to a side of the microlens array away from the substrate according to the alignment mark.

A scanning-type display device includes: a light source which emits projection-display laser light; an optical scanning unit which uses the laser light emitted from the light source in scanning; and a light diffusion unit which includes a plurality of light diffusion channels arranged in two dimensions and diffuses the laser light used in scanning by the optical scanning unit. The light diffusion unit is configured so that an angle formed by optical paths extending to an eye of an observer through a pair of adjacent light diffusion channels arbitrarily selected from among the plurality of light diffusion channels becomes equal to or larger than an angle set on the basis of a resolution angle of the eye.

An ophthalmic lens incorporating an array of microlenses.

A projection screen and a processing method therefor, wherein the projection screen comprises, in sequence from the incident side of projection light, a diffusion layer, a microlens array and a substrate. The inner side of the substrate is provided with a Fresnel microstructure, and part of the surface of the Fresnel microstructure is provided with a reflecting layer while the remaining part of the surface is a light absorbing layer. The microlens array is used for focusing the projection light on the reflecting layer. The reflecting layer is used for reflecting projection light back to the field of view of viewers. Ambient light is mostly absorbed by the light absorbing layer. The settings of the structure and dimension of the microlens array enable the projection light to be only incident onto the reflecting layer of the Fresnel microstructure and the ambient light to be mostly absorbed by the light absorbing layer.

Systems and methods in accordance with embodiments of the invention implement optical systems incorporating lens elements formed separately and subsequently bonded to low coefficient of thermal expansion substrates. Optical systems in accordance with various embodiments of the invention can be utilized in single aperture cameras, and multiple-aperture array cameras. In one embodiment, a robust optical system includes at least one carrier characterized by a low coefficient of thermal expansion to which at least a primary lens element formed from precision molded glass is bonded.

The present invention relates to a metamaterial focal plane array for broad spectrum imaging. Electromagnetic energy in the form of light is absorbed in or on a metamaterial absorber and a subsequent hot carriers are collected either in a semiconductor space charge region (e.g. P-N junction), or in some other modern collection scheme. Following the accumulation of photogenerated charge (electrons or holes), the signal is then converted to a digital signal using conventional or slightly modified ROIC modules.

The present technology relates to a solid-state imaging device that can improve the sensitivity of imaging pixels while maintaining AF properties of a focus detecting pixel. The present technology also relates to a method of manufacturing the solid-state imaging device, and an electronic apparatus.

The solid-state imaging device includes: a pixel array unit including pixels; first microlenses formed in the respective pixels; a film formed to cover the first microlenses of the respective pixels; and a second microlens formed on the film of the focus detecting pixel among the pixels. The present technology can be applied to CMOS image sensors, for example.

An optical element according to the present disclosure includes a main body part including an optical part having an optical surface, and a support part which is provided to the optical part, and which is to be supported by a support body, and a functional layer which is provided as a film to the main body part, wherein the functional layer is disposed so as to cover the optical surface of the optical part, and so as not to cover at least a part of the support part.

The invention relates to a manufacturing method for a screen for displaying an autostereoscopic image, including the steps of: selecting (E10) a block of pixels which are arranged in rows and columns, each pixel being composed of a plurality of sub-pixels of different colors; selecting (E11) a polarization film; manufacturing (E12, E13, E14) a lenticular array directly on the polarization film in order to form a composite film, called optical film; bonding (E15) the optical film to the block of pixels. The invention also relates to a method for converting a screen for displaying a two-dimensional image into a screen for autostereoscopic display.

A display device and a method of manufacturing the same are provided. The display device includes a display panel including a series of pixels, each pixel including N sub-pixels, where N is an integer of 2 or greater; and a lens array on a surface of the display panel, the lens array including a series of lenses, wherein each of the lenses overlaps with M sub-pixels, where M is an integer greater than N.