A display device for a vehicle includes: a first display device including a reflection type hologram that is disposed on a windshield of a vehicle, and a first projection part that projects first display light toward the hologram, and displaying a first display image by diffraction light diffracted by the hologram; and a second display device including a second projection part that projects second display light toward the windshield, and displaying a second display image by reflection light reflected by the windshield. In the windshield, a first region where the first display light is incident and a second region where the second display light is incident overlap with each other, the second projection part includes a filter part that cuts light in a predetermined wavelength region from the second display light, and the predetermined wavelength region is a wavelength region of the light diffracted by the hologram.

An augmented reality system (2) is disclosed for use in bright external conditions. The augmented reality system includes: a projector (6), a substantially transparent optical component (4) that provides augmented reality light to a user, and a stray light rejection layer (12). The stray light rejection layer (12) further comprises a plurality of slats (16) arranged at a plurality of respective angles to effectively reduce high angle incident light from the external environment from reaching the transparent optical component (4).

A method for optical sensing includes providing a mirror comprising a central reflective region surrounded by a peripheral glare-suppressing region. A beam of light from a laser light source is directed to reflect from the central region so as to pass through an output optic along an axis toward a target scene. The light returned from the target scene through the output optic is focused onto an optical sensor, via collection optics having a collection aperture surrounding the mirror.

An object is to provide an optical system capable of improving the brightness of a main image while eliminating a ghost image. In an optical system including: an image display device that emits an image; a linear polarizer through which light associated with the image passes; a first quarter wavelength plate which receives the light from the linear polarizer; a half mirror; a reflective polarizer; and a second quarter wavelength plate provided between the reflective polarizer and the half mirror, retardance of the first quarter wavelength plate and retardance of the second quarter wavelength plate are equal, and thus the object is achieved.

An image display apparatus according to an embodiment of the present technology includes a polarizer, a polarization conversion element, and a ¼ wave plate. The polarizer causes to transmit linearly polarized light having a predetermined polarization direction. The polarization conversion element converts a polarization state of the linearly polarized light transmitted through the polarizer and emits the light as light in a non-polarized state. The ¼ wave plate is arranged on an optical path of the light in the non-polarized state emitted from the polarization conversion element.

An imaging lens module with auto focus function includes an imaging lens assembly, an electromagnetic driving component assembly and a lens carrier. The imaging lens assembly has an optical axis. The electromagnetic driving component assembly drives the imaging lens assembly to move in a direction parallel to the optical axis by a Lorentz force. The imaging lens assembly is mounted to the lens carrier such that the imaging lens assembly can be wholly driven by the Lorentz force. The lens carrier includes an object-side part, a mounting structure and a plurality of plate portions. The object-side part includes a tip-end minimal aperture configured for light to travel through; and a tapered surface which surrounds an area tapered off from image side to object side. The mounting structure and the plate portions are configured for at least a part of the electromagnetic driving component assembly to be mounted thereto.

A bonding laminated film for bonding, and a light transmission laminate are provided. The bonding laminating film and the light transmission laminate comprise a first layer comprising a first surface and a second surface opposite to the first surface, and a second layer disposed inside the first layer and comprising a wedge part whose cross section is triangular or trapezoidal in a part or a whole of the second layer. The refractive index of the second layer is higher than the refractive index of the first layer. The bonding laminated film has an overall even thickness, and has anti-double-image elements in a desired area though a bonding laminated film, and has a substantially non-wedge shape.

An annular optical element includes an outer annular surface, an inner annular surface, a first side surface, a second side surface and a plurality of strip-shaped wedge structures. The outer annular surface surrounds a central axis of the annular optical element and includes at least two shrunk portions. The first side surface connects the outer annular surface and the inner annular surface. The second side surface connects the outer annular surface and the inner annular surface, wherein the second side surface is disposed correspondingly to the first side surface. The strip-shaped wedge structures are disposed on the inner annular surface, wherein each of the strip-shaped wedge structures is disposed along a direction from the first side surface towards the second side surface and includes an acute end and a tapered portion connecting the inner annular surface and the acute end.

An ophthalmic lens is provided. The ophthalmic lens includes a first optical surface, an opposing second optical surface and an edge surface connecting the first optical surface and the second optical surface, wherein the edge surface is planar. The ophthalmic lens further includes a first layer disposed on the edge surface, wherein the first layer includes a coating material effective to reduce a reflection caused by a profile of the edge surface, and wherein (a) the first layer defines a structural element for fastening the ophthalmic lens to an eyewear frame, or (b) the ophthalmic lens further includes a second layer disposed on the first layer, wherein the second layer defines a structural element for fastening the ophthalmic lens to an eyewear frame. A method of manufacturing the ophthalmic lens and an eyewear including the ophthalmic lens are also provided.

A camera module includes: a first refractive member configured to reflect or refract light that is incident on the first refractive member in a first direction, in a second direction intersecting the first direction; a second refractive member configured to reflect or refract the light that is reflected or refracted by the first refractive member and is incident on the second refractive member in the second direction, in a third direction intersecting the second direction; an image sensor configured to detect the light that is reflected or refracted by the second refractive member and is incident on the image sensor in the third direction; and at least one optical member provided between the first refractive member and the second refractive member, wherein the at least one optical member is configured to block the light that is reflected or refracted by the first refractive member from being incident on the image sensor, and to guide the light that is reflected or refracted by the first refractive member to be incident on the second refractive member in the second direction.