A camera module includes a body and a cover, which are matched to form a sealed cavity; an image sensor and a micro-lens array, which are disposed in the sealed cavity; and an optical matching medium, filling the sealed cavity. The cover includes an objective lens, the center line of the image sensor is coincident with the optical axis of the objective lens, the micro-lens array is located between the image sensor and the objective lens, the optical matching medium is disposed between the objective lens and the micro-lens array, and the refractive index of the optical matching medium is greater than that of air.

A moiré pattern imaging device includes a light-transmitting film and an optical sensor. The light-transmitting film includes a plurality of microlenses, and a light-incident surface and a light-exit surface opposite to each other. The plurality of microlenses are disposed on the light-incident surface, the light-exit surface or a combination thereof, and the plurality of microlenses are arranged in two dimensions to form a microlens array. The optical sensor includes a photosurface. The photosurface faces the light-exit surface of the light-transmitting film, the photosurface is provided with a plurality of pixels, and the plurality of pixels are arranged in two dimensions to form a pixel array. The microlens array and the pixel array correspondingly form a moiré pattern effect to produce an imaging magnification effect, and the photosurface of the optical sensor senses light and forms a moiré pattern magnification image.

A homogenizing module and a projection apparatus are provided. The homogenizing module is configured to homogenize a beam and includes an anisotropic diffuser and a homogenizer. The anisotropic diffuser is located on a transmission path of the beam. The beam has a first divergence angle in a first direction and a second divergence angle in a second direction after passing through the anisotropic diffuser. The first divergence angle is greater than the second divergence angle. The homogenizer is located on a transmission path of the beam from the anisotropic diffuser, and the homogenizer includes multiple optical elements. The size of any of the multiple optical elements in the first direction is greater than the size thereof in the second direction. The first direction is perpendicular to the second direction.

A direct projection light field display comprising an array of projectors for direct projection of a light field. The overall design and incorporation of additional optics achieve the optimal light distribution and small pixel size to produce a high definition, 3D display. The architecture of the direct projection light field display has low a brightness requirement for each projector, resulting in an increased projector density, decreased system, and a decreased power requirement, while producing a high-definition light field.

A curved lens and a display device are provided. The curved lens includes a plurality of sub lenses around an optical center of the curved lens and connected; each of the plurality of sub lenses includes a first and second curved surface opposite to each other; a plurality of first curved surfaces are connected to form a light exit surface of the curved lens, and a plurality of the second curved surfaces are connected to form a light incident surface of the curved lens, and the light exit surface is closer to the optical center of the curved lens compared with the light incident surface; the light incident surface as a whole is a convex surface, and the light exit surface as a whole is a concave surface; the plurality of the first curved surfaces and the plurality of the second curved surfaces are free-form curved surfaces.

A beam shaping method and device employing full-image transfer for planar light sources. The method comprises: using multiple first lenses to respectively magnify and image beams emitted by multiple planar light sources, so as to obtain magnified full images of the multiple planar light sources; and seamlessly stitching together the magnified full images of the multiple planar light sources at a primary imaging position, so as to obtain a seamless light source at the primary imaging position. The beam shaping method for the planar light sources achieves the elimination of gaps between the light sources with almost no loss of optical power by means of full-image transfer and seamless stitching, thereby improving the beam quality of the light sources as a whole. This kind of optical shaping method is suitable for shaping and processing planar light sources such as VCSEL and LED.

A light source system and a light-emitting device are provided. The light source system includes an array of light-emitting diodes, the light-emitting diodes including light-emitting diode chips; a collimating lens group located on a light path of light emitted by the array of the light-emitting diodes, the collimating lens group being configured to collimate light beams emitted by the light-emitting diode chips; and a fly-eye lens arranged on a light path of light outputted from the collimating lens group. The fly-eye lens includes micro lens units corresponding to the light-emitting diode chips, and for at least one light-emitting diode chip of the light-emitting diode chips, an image formed by each of at least one light-emitting diode chip on surfaces of the micro lens units is completely within a surface of one of the micro lens units. A ratio of side lobes is reduced, thereby improving the energy utilization rate.

A cluster according to an embodiment of the disclosure includes a display and a spatial image panel. The display is installed in the vehicle to output predetermined information as a 2D image. The spatial image panel is configured to output a 3D image in a predetermined space in front. The spatial image panel includes a first lens array, a second lens array, and a refractive medium. The first lens array is disposed adjacent to the display and includes a plurality of first lenses arranged on the same plane. The second lens array is disposed in parallel with the first array so that the first lenses and second lenses overlap each other. The refractive medium is disposed between the first lens array and the second lens array.

Disclosed is an optical component (20) applied to a depth camera having a light source (11). The optical component (20) includes a light-homogenized element (21) having a microlens array (212) and a receiving lens (22). The light-homogenized element (21) is arranged on a light beam propagation path of the light source (11), and is used for modulating a light field emitted by the light source (11) of the depth camera to form a light beam which is not interfered to form light and dark stripes. The receiving lens (22) is adapted to a field angle of the light-homogenized element (21), and the receiving lens (22) is configured to allow at least a part of the light beam passing through the light-homogenized element (21) to enter the receiving lens (22) after being reflected by a target object. The optical component (20) is beneficial to acquiring complete and clear image information of a target object.

A micro-optic cell design with randomly positioned lenslets is provided herein that uses statistical reconstruction of a micro-lens array. A method of making an optical element, which includes a micro-optic unit cell comprising one or more lenslets, is also disclosed.