The present disclosure relates to a micro-optic device for producing a magnified image, including: a first unitary structure on one side of a substrate, the first unitary structure including a first group of focusing elements and a first group of imagery elements, wherein one of the first group of focusing elements and the first group of imagery elements is recessed with respect to the other, wherein the device further includes at least a first coating of ink overprinted on the first unitary structure, to at least partially fill the recessed group of elements, and wherein a property of the ink provides a visual contrast in the magnified image.

Embodiments of the present disclosure generally relate to optical device fabrication. In particular, embodiments described herein relate to a method of forming a plurality of optical devices. In one embodiment, a method includes dicing a plurality of optical device lenses from a substrate, disposing the plurality of optical device lenses on a carrier, and performing at least one process on the plurality of optical device lenses to form a plurality of optical devices, each optical device having a plurality of optical device structures.

Methods and systems for optical assemblies are disclosed. Optical assemblies can comprise optical elements that may not require active alignment and allow for reduced performance variations. To allow for passive assembly with a machine like a bonder tool, assembly components can have bonding pads and/or fiducial markers that are fabricated using laser micromachining techniques.

The present invention relates to a micropattern layer based image film and a method for manufacturing the same. The image film comprises: a sacrificial layer; a first micropattern layer formed on the sacrificial layer; a second micropattern layer formed on the first micropattern layer; a focal length layer formed on the second micropattern layer; and a micro-image pattern formed on the focal length layer, wherein the first micropattern layer includes a plurality of concave parts extending in one direction, and concave curved surfaces of the plurality of concave parts are formed adjacent to the sacrificial layer; the second micropattern layer includes a plurality of convex parts extending in one direction, and convex curved surfaces of the plurality of convex parts are formed adjacent to the focal length layer; and the first micropattern layer and the second micropattern layer are orthogonal to each other.

A curved lens protector can include a transparent body having a self-supporting x-y axis curve with a concave inner surface and a convex outer surface opposite the inner surface. The transparent body can have an outer boundary of a predetermined shape to substantially match and fit with respect to an inner boundary of a lens holder portion of a predetermined lens frame. The transparent body can be configured for attachment to a predetermined curved lens without the use of an adhesive.

A method for producing a microlens according to the present invention includes an etching step and a surface treatment step. In the etching step, a target object which is obtained by forming a second organic film having a lens shape on a first organic film that is formed on a substrate is subjected to etching that uses a plasma of a first processing gas, while using the second organic film as a mask, so that the first organic film is etched so as to transfer the lens shape of the second organic film to the first organic film, thereby forming a microlens in the first organic film. In the surface treatment step, a surface treatment is performed so as to smooth the surface of the microlens that is formed in the first organic film.

An optical printing positioning system is set forth. The system includes a cavity for retaining an optical surface having an inner surface dimensioned and configured to maintain and to constrain an optical surface disposed therein when the optical surface undergoes a printing process.

A microlens array substrate includes: a light transmitting substrate in which a first lens surface formed of a concave surface is formed on a substrate surface on one side; a first lens layer which covers the substrate surface on one side and has a refractive index which is different from that of the light transmitting substrate; a light transmitting layer which covers the first lens layer on the opposite side to the light transmitting substrate; and a second lens layer which covers the light transmitting layer on the opposite side to the light transmitting substrate and in which a second lens surface formed of a convex surface is formed on the opposite side to the light transmitting substrate, in which the light transmitting layer has smaller refractive index and coefficient of thermal expansion than those of the first lens layer and the second lens layer.

An image device includes a sensing element including a plurality of sensing cells extending in a first direction, and a lens array extending in the first direction. The lens array includes a plurality of lenses extending in the first direction and a substrate. The substrate includes a light shielding material having inner surfaces defining a plurality of openings. Each opening at least partially overlaps with at least one lens of the plurality of lenses in a second direction that is perpendicular to the first direction. The plurality of openings are distributed over an entire area of the substrate. Each lens is configured to inject light into one or more sensing cells of the plurality of sensing cells.

A privacy protection film, a manufacturing method thereof, a backlight module, and a display device are provided. The privacy protection film includes a substrate, a light incident surface of the substrate is provided with a reflective layer, light transmission holes are provided on the reflective layer; a light exiting surface of the substrate is provided with a micro-lens array; each of the light transmission holes corresponds to at least one micro-lens in the micro-lens array; and the micro-lens is configured to control an exiting direction of light exiting from the light exiting surface of the substrate to remain unchanged; or, the micro-lens is configured to control an exiting direction of the light exiting from the light exiting surface of the substrate to be deflected toward a direction of an axis of the micro-lens.