Abstract: An imaging lens assembly includes an optical element and an anti-reflecting film. An imaging light passes through the optical element, and the optical element has a gate trace. The anti-reflecting film is disposed on at least portion of a surface of the optical element, and includes a nanostructure layer and an intermediate layer. The nanostructure layer includes a plurality of ridge-like protrusions extending non-directionally. The intermediate layer is disposed between the optical element and the nanostructure layer, and includes at least two first medium layers and at least one second medium layer, wherein a refractive index of the at least one second medium layer is different from a refractive index of each of the at least two first medium layers, and the at least one second medium layer is disposed between the at least two first medium layers.

Abstract: The present disclosure provides an imaging lens assembly module including a baseplate and an imaging lens assembly. The imaging lens assembly includes an imaging lens set and a barrel. The imaging lens set includes at least one lens element. The at least one lens element includes two first trimmed surfaces. The barrel includes a barrel portion and a base portion. The barrel portion has a first inner surface, and the barrel portion includes two second trimmed surfaces. The barrel portion and the base portion are formed integrally, a shortest distance is defined between the first trimmed surfaces of the lens element, a shortest distance is defined between the second trimmed surfaces of the barrel portion, and the optical axis passes vertically through the shortest distance between the first trimmed surfaces and the shortest distance between the second trimmed surfaces.

Abstract: An imaging lens system includes an optical element being a light-transmitting element including an optical effective portion and a peripheral portion. The optical effective portion includes an incident surface and an exit surface. An imaging light enters the optical element through the incident surface and exits the optical element through the exit surface. The peripheral portion is located farther away from an optical axis of the imaging lens system than the optical effective portion. The peripheral portion includes at least one connection surface connected to the incident surface and the exit surface, and a plurality of air barriers disposed on at least part of surfaces of the peripheral portion and recessed toward the optical axis from the at least part of the surfaces of the peripheral portion. Recessed shapes of the air barriers include at least one of a point-like form and a line-like form.

Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.

Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.

Abstract: An imaging lens assembly includes a plurality of lens elements, a light path folding element and a sheet-like light blocking element. An optical axis is defined via the lens elements. The light path folding element includes an optical surface, and a total reflection of an imaging light of the imaging lens assembly occurs at least once on the optical surface. The sheet-like light blocking element is corresponding to the light path folding element, and the sheet-like light blocking element includes a first surface, a second surface and a microstructure layer. The first surface faces towards the optical surface. The second surface is disposed relatively to the first surface. The microstructure layer is at least disposed on the first surface, and protrusions are formed on the first surface via the microstructure layer. At least partial area between the microstructure layer and the optical surface has an air slit.

Abstract: The disclosure provides an optical system, an optical sensing unit and an optical sensing module. The optical system is used for forming a plurality of light spots on a plurality of photosensitive regions separated from each other. The optical system includes: a lens for receiving a first light beam and converging the first light beam; a first light-transmitting layer located under the lens, for refracting the converged first light beam into a plurality of second light beams, the plurality of second light beams being used for forming the plurality of light spots on the photosensitive regions, wherein each light spot in the plurality of light spots covers a part of the plurality of photosensitive regions; and a second light-transmitting layer located under the first light-transmitting layer, wherein the plurality of second light beams are respectively incident on the plurality of photosensitive regions through the second light-transmitting layer.

Abstract: An optical component includes a substrate and a low reflection layer. The low reflection layer is disposed on a surface of the substrate, and the low reflection layer includes a plurality of nanoparticles. The nanoparticles are arranged in a stack configuration, and the number of the nanoparticles decreases progressively in a direction away from the substrate, such that an effective refractive index of the low reflection layer decreases progressively in the direction away from the substrate so as to prevent total reflection of light at the interface, thereby reducing reflectivity. When specific conditions are satisfied, the stacked nanoparticles can form a gradient-index film layer, and the low reflection layer can provide better anti-reflection capability.

Abstract: An imaging lens assembly includes an optical element. The optical element includes a substrate, a nanostructure layer and an intermediate layer. The substrate is made of transparent material. A main component of the nanostructure layer is an aluminum oxide, and the nanostructure layer has a plurality of ridge-like protrusions which extend non-directionally. Each of the ridge-like protrusions is gradually tapered from a bottom of each of the ridge-like protrusions to a top of each of the ridge-like protrusions. The intermediate layer is disposed between the substrate and the nanostructure layer, wherein the intermediate layer includes a first film and a plurality of second films. A main component of the first film is a silicon dioxide, a main component of each of the second films is the silicon dioxide, and the second films are stacked with the first film.

Abstract: An optical imaging module includes an optical imaging lens assembly, a light path folding element and a light blocking element. The optical imaging lens assembly includes at least one optical lens element, and an optical axis passes through the optical lens element. The light path folding element has an incident surface, an emitting surface and at least one optical reflecting surface, and the light path folding element is disposed on an image side of the optical imaging lens assembly. The light blocking element is disposed on at least one of the optical lens element and the light path folding element, and includes an opening hole and a light blocking surface. The light blocking surface has a plurality of first anti-reflective structures, and each of the first anti-reflective structures is recessed from the light blocking surface toward a direction away from the light path folding element.

Abstract: An optical imaging module includes an optical imaging lens assembly, a light path folding element and a light blocking element. The optical imaging lens assembly includes at least one optical lens element, and an optical axis passes through the optical lens element. The light path folding element has an incident surface, an emitting surface and at least one optical reflecting surface, and the light path folding element is disposed on an image side of the optical imaging lens assembly. The light blocking element is disposed on at least one of the optical lens element and the light path folding element, and includes an opening hole and a light blocking surface. The light blocking surface has a plurality of first anti-reflective structures, and each of the first anti-reflective structures is recessed from the light blocking surface toward a direction away from the light path folding element.

Abstract: An optical path folding element includes a main body, a light absorption film layer and a matte structure. The main body has optical surface including an incident surface, a reflective surface and an emitting surface. A light enters into the optical folding element through the incident surface. The reflective surface reflects the light so as to change a traveling direction thereof. The light exits the optical folding element through the emitting surface. The light absorbing film layer is configured to reduce reflectance and provided adjacent to at least part of the optical surface, and the light absorbing film layer is in physical contact with the main body. The matte structure is disposed adjacent to at least part of the optical surface. The matte structure provides an undulating profile on a surface of the optical path folding element, and the matte structure is formed in one-piece with the main body.

Abstract: An optical lens includes a composite lens. The composite lens includes an optical portion and an extending portion. An optical axis passes through the optical portion, and the optical portion includes a first optical surface, a second optical surface and a connecting surface. A light passes through the first optical surface to enter the optical portion. The second optical surface is corresponding to the first optical surface, and the light passes through the second optical surface to exit the optical portion. The connecting surface is connected to the first optical surface and the second optical surface. The extending portion surrounds and covers the connecting surface, and the extending portion supports and fixes the optical portion. The optical portion is made of glass material, the extending portion is made of plastic material, and the extending portion includes gate traces axially and symmetrically disposed on the extending portion.

Abstract: An optical path folding element includes an optical portion, a connection portion, matte structures and a light blocking layer. The optical portion has an optical surface and two reflective surfaces. A light beam enters into the optical path folding element via the optical surface and is reflected inside the optical path folding element through the optical surface. Each reflective surface is configured to reflect the light beam again inside the optical path folding element. The connection portion has connection surfaces connected to the optical surface and the reflective surfaces. The matte structures are at least disposed on and integrally formed with the connection portion. Each unitary structure of the matte structures is tapered off and recessed from the connection portion, such that the outer surface of the connection portion has an undulating shape. The light blocking layer is at least disposed on the connection portion for blocking light.

Abstract: An optical path folding element includes a main body, a light absorption film layer and a matte structure. The main body has optical surface including an incident surface, a reflective surface and an emitting surface. A light enters into the optical folding element through the incident surface. The reflective surface reflects the light so as to change a traveling direction thereof. The light exits the optical folding element through the emitting surface. The light absorbing film layer is configured to reduce reflectance and provided adjacent to at least part of the optical surface, and the light absorbing film layer is in physical contact with the main body. The matte structure is disposed adjacent to at least part of the optical surface. The matte structure provides an undulating profile on a surface of the optical path folding element, and the matte structure is formed in one-piece with the main body.

Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.

Abstract: A photographing module includes a lens assembly, a reflection element, an image sensor, and lens element, reflection element and image sensor driving modules. An axial voice coil motor of the lens element driving module moves the lens assembly along a lens optical axis. A rotating connection part and a curved recess structure are disposed between a holder and a carrier movable relative to the holder. A lateral voice coil motor of the reflection element driving module drives the carrier carrying the reflection element to rotate around an axis passing through the rotating connection part. A plurality of rollable elements are located between and in contact with the fixed member and the movable plate. A lateral voice coil motor of the image sensor driving module drives the movable plate carrying the image sensor to move based on a dynamic axis orthogonal to the lens optical axis.

Abstract: An imaging lens assembly includes a lens element and a light blocking element. The lens element is configured to define an optical axis, and the optical axis passes through the lens element. The light blocking element includes a light through hole and a plurality of light diminishing structures. The optical axis passes through the light through hole, the light through hole is formed by connecting a plurality of sidelines to define a polygonal contour. The light diminishing structures are regularly disposed along the polygonal contour, wherein the light diminishing structures are configured to undulate at least one portion of each of the sidelines, so that the at least one portion of each of the sidelines is a non-straight line.

Abstract: An image sensor includes an image sensor die, a light transmitting element, at least one anti-reflection coating and at least one anti-reflection structure. The image sensor die includes a photoelectric conversion layer and a micro lens layer. The micro lens layer is disposed above the photoelectric conversion layer for converging the light onto the photoelectric conversion layer. The light transmitting element is disposed above the micro lens layer, and a gap is formed between the light transmitting element and the micro lens layer, the light passes through the light transmitting element and then travels into the image sensor. The anti-reflection coating is at least disposed on an upper surface of the light transmitting element. The anti-reflection structure is disposed on at least one of a lower surface of the light transmitting element and the micro lens layer.

Abstract: An electronic device includes a transparent element, an optical component and an anti-reflecting layer. The transparent element is configured to separate an inner side and an outer side of the electronic device, so that a light passes through the transparent element to enter or leave the electronic device, and the transparent element includes an inner side surface and an outer side surface. The inner side surface faces towards the inner side, and the outer side surface faces towards the outer side. The optical component is corresponding to the inner side surface of the transparent element. The anti-reflecting layer is disposed on at least one portion of the inner side surface of the transparent element.