Abstract: An optical depth sensing apparatus includes a first light source emitting a first light beam having a first polarization state, a second light source emitting a second light beam having a second polarization state, a first sensing device sensing the first light beam and including a first metalens, and a second sensing device sensing the second light beam and including a second metalens. An electric field direction of the first polarization state is perpendicular to an electric field direction of the second polarization state. The first light beam having the first polarization state is transmitted to the first metalens, and the second light beam having the second polarization state is reflected or absorbed by the first metalens. The second light beam having the second polarization state is transmitted to the second metalens, and the first light beam having the first polarization state is reflected or absorbed by the second metalens.

Abstract: A pulse pressure measuring apparatus including a plurality of pressing elements, a plurality of pressure sensors, and a processing unit is provided. The pressing elements are used to press the site to be measured, and each pressing element has a position coordinate Pi (i=1, 2, 3 . . . ). The pressure sensors are configured to respectively measure pressure on the pressing elements to generate measured values of pressure intensity Ii (i=1, 2, 3 . . . ) at the position coordinates Pi (i=1, 2, 3 . . . ). The processing unit utilizes the position coordinates Pi (i=1, 2, 3 . . . ) and the measured values of pressure intensity Ii (i=1, 2, 3 . . . ) to determine the blood vessel locus.

Abstract: The disclosure discloses a near-eye display device, which includes an image source, a waveguide element, a first lens, a first quarter-wave plate, a polarizing light splitting film, and a first linear polarizing film. The image source is configured to provide an image light beam. The waveguide element includes a first waveguide part and a second waveguide part. The polarizing beam splitter film and the first linear polarizing film are disposed between the first waveguide part and the second waveguide part. A transmission axis of the polarizing beam splitter film is parallel to a transmission axis of the first linear polarizing film, and has an included angle with a slow axis of the first quarter-wave plate. The included angle is 45 degrees.

Abstract: The disclosure provides an illumination device including a light-emitting element array, a lens array, an infrared light-emitting element array, at least one light sensing element, and a control unit. The light-emitting element array includes a plurality of micro light-emitting diodes arranged in an array. The lens array includes a plurality of lenses. The infrared light-emitting element array includes a plurality of infrared micro light-emitting diodes arranged in an array form, and the infrared micro light-emitting diodes are respectively configured in the light-emitting element array. Each infrared micro light-emitting diode and the at least one light sensing element are configured to provide a plurality of ranging data. The control unit controls each micro light-emitting diode to generate a plurality of light beams according to the ranging data so as to form a plurality of illumination light beams, and the illumination light beams illuminate a target in a pixelated form.

Abstract: An image capture device includes a fixed focal module, a focus module, an actuation module, and a sensing module. The fixed focal module includes a fixed barrel fixes a fixed lens group, the fixed lens group includes a front fixed lens and a plurality of inner fixed lenses, each lens has an optical effective region, and the optical effective region of the front fixed lens is smallest. The focus module is adjacent to the fixed focal module and includes a focus lens, a focus lens optical axis is aligned with a fixed lens group optical axis. The fixed focal module is fixed on the actuation module; the focus module is located in the actuation module. The actuation module actuates the focus module to move along the focus lens optical axis. A sensing optical axis is aligned with the fixed lens group optical axis and the focus lens optical axis.

Abstract: A focusing lens assembly includes a housing, a liquid lens, a solid lens assembly, an elastic member set, and a driving assembly. The liquid lens covers a light incidence port of the housing and includes an operating member. The solid lens assembly is located in an accommodating space of the housing. A liquid lens optical axis substantially coincides with the solid lens optical axis. The elastic member set is configured to suspend the solid lens assembly in the accommodating space. The driving assembly includes a coil set fixed to the solid lens assembly and a fixed magnet set fixed to the housing and corresponds to the coil set. When the coil set is driven, the coil set interacts with the fixed magnet set, so that the solid lens assembly moves along the solid lens optical axis to selectively enable the solid lens assembly to abut against the operating member.

Abstract: Provided is a mixed reality device including a Fourier 4F optical architecture and a design of folding a light path to display images of different depths. In addition to achieving real-time multi-depth and mixed reality display effects, it may also have a wide field of view and effectively avoid a vergence-accommodation conflict.

Abstract: An imaging lens sequentially includes a prism, a first lens element, a second lens element, a third lens element, a fourth lens element, and a fifth lens element from an object side to an image side along an optical axis. The prism has a light incident surface. The light incident surface includes at least one phase delay structure being a circle and including a circle center and microstructures. Diopters of the first to fifth lens elements are respectively negative, negative, positive, positive, and negative. A spacing between two adjacent microstructures in a radial direction of the circle is the same. The first to fifth lens elements are aspheric lens elements. The imaging lens satisfies 3.86<TL/ImgH<9.8, where TL is a distance from an object side surface of the first lens element to an image plane on the optical axis, and ImgH is half of a diagonal of the image plane.

Abstract: An imaging lens includes a first lens, a prism, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens in order along an optical axis from an object side to an image side. The first lens is disposed at a light incident side of the prism, the second to sixth lenses are disposed at a light exit side of the prism, and the optical axis turns on a reflection surface of the prism. The imaging lens has a total of six lenses with diopters. The first to sixth lenses are all aspherical lenses, and the diopters are positive, positive, negative, positive, positive, and negative respectively. A ratio of a focal length of the first lens and a spacing between the prism and the second lens on the optical axis is greater than or equal to 4 and less than or equal to 60.

Abstract: An image sensing device includes a first light path changing element, a second light path changing element, and a plane lens. The first light path changing element includes a first light-incident side and a first light-emergent side, where the first light-incident side faces an image-capturing direction, the first light-emergent side faces a zoom optical axis, and there is an angle between the first light-incident side and the first light-emergent side. The second light path changing element includes a second light-incident side and a second light-emergent side, where the second light-incident side faces the zoom optical axis, the second light-emergent side faces an image-forming direction. An angle is between the second light-incident side and the second light-emergent side. An image-capturing light path passes through the first light-incident side, the first light-emergent side, the second light-incident side, and the second light-emergent side. The plane lens is disposed on the image-capturing light path.

Abstract: An optical image capture apparatus includes a front lens group, an optical redirecting assembly, a fixed lens group, a focusing lens module, and an image sensor. The optical redirecting assembly includes an optical redirecting component which has an incident surface, a reflective surface, and an emergent surface. The front lens group's contact portion is in contact with the incident surface, an incident axis passes through the incident surface, be reflected on the reflective surface, and passes through the emergent surface as an emergent axis. The focusing lens module is adjacent to the fixed lens group and includes a focusing lens group and an actuator. The fixed lens group and the focusing lens group are aligned with the emergent axis, and the actuator actuates the focusing lens group to move along the emergent axis. The image sensor is adjacent to the focusing lens module and substantially aligned with the emergent axis.

Abstract: An illuminating device including a light-emitting element array and a plurality of light-diffusing elements is provided. The light-emitting element array includes a plurality of discrete light-emitting areas. The plurality of light-diffusing elements respectively correspond to the light-emitting areas, and each light-diffusing element includes a light-entering surface and a light-exiting surface. The light beams emitted by the light-emitting areas respectively enter the corresponding light-diffusing element via the corresponding light-entering surface. After the light beams respectively leave the corresponding light-diffusing element via the corresponding light-exiting surface, the light beams respectively form a plurality of illumination beams. The illumination beams appear in an array form for illumination.

Abstract: An imaging lens, sequentially including a first lens element to a seventh lens element from an object side to an image side along an optical axis, is provided. The first lens element has positive refracting power. The second lens element has negative refracting power. The third lens element and the fourth lens element form a cemented lens element, and the cemented lens element has positive refracting power. The fifth lens element has positive refracting power. The sixth lens element has positive refracting power. The seventh lens element has negative refracting power.

Abstract: An image capturing module including an image capturing unit, a lens set and a first adhesive layer is provided. The lens set is disposed on the image capturing unit. The lens set has a light incident surface and a light emitting surface opposite to each other and has at least one side surface, the light emitting surface faces the image capturing unit, and the side surface is connected between the light incident surface and the light emitting surface. The first adhesive layer covers the side surface of the lens set. In addition, a manufacturing method of the image capturing module is also provided.

Abstract: Provided are a photosensitive assembly, a camera module, and an electronic device. The electronic device includes an electronic device body and a camera module mounted on the electronic device body. The camera module includes a lens and a photosensitive assembly. The photosensitive assembly includes a circuit board, a photosensitive element, a base, and an adhesive. The circuit board is provided with an accommodation cavity that extends through the circuit board. The photosensitive element is accommodated in the accommodation cavity and electrically connected to the circuit board. The base is disposed on the circuit board. The lens is located in the photosensitive path of the photosensitive element. The adhesive includes a first adhesive portion and a second adhesive portion. The first adhesive portion is located in the accommodation cavity. The second adhesive portion is located outside the accommodation cavity.

Abstract: An image capturing lens including a cemented lens is provided. The cemented lens has a positive refracting power and includes a spheric lens and a liquid lens. In addition to the cemented lens, the image capturing lens has 4 or 5 lenses with refracting powers.

Abstract: An imaging lens sequentially including first to seventh lenses from an object side to an image side along an optical axis is provided. The first lens, the fourth lens, and the sixth lens have positive refracting power, and the second lens and the seventh lens have negative refracting power. There are a total of seven lenses having refracting power in the imaging lens. When the first to seventh lenses are grouped into a first group close to the object side and a second group close to the image side, a plurality of lenses totaling three to five lenses have refracting power in the first group, a plurality of lenses totaling two to four lenses have refracting power in the second group, and the first group is configured to move relative to the second group on the optical axis. Therefore, the imaging lens provided by the invention has favorable imaging quality.

Abstract: A lens module and a photography device are provided. The lens module includes a focusing module, a deflection base, and a soft plate. The deflection base is provided with a through slot. The focusing module is disposed in the through slot and is connected to an inner wall of the through slot, and the deflection base is configured to drive the focusing module to deflect. The soft plate includes a movable portion and a fixed portion. An end of the movable portion is provided with a folding portion, the folding portion is connected to a side wall at an end of the focusing module, and the folding portion is folded toward a lower end surface of the focusing module, to enable the movable portion to extend along the lower end surface of the focusing module toward the fixed portion and to be connected to the fixed portion.

Abstract: A lens positioning device including a lens carrier, a housing, three pairs of memory alloy wires and three displacement detecting units is provided. The three pairs of memory alloy wires are used to control the displacement of the lens carrier in three directions, respectively. Each of the displacement detecting units includes a magnetic element and a magnetic field sensing element. The magnetic field sensing element is arranged corresponding to the magnetic element to sense change of the magnetic field of the magnetic element along each of the three directions when the lens carrier moves. One magnetic element of any one of the three displacement detecting units is arranged at a position that can induce the corresponding magnetic field sensing element and does not interfere with the magnetic field sensing elements of the other two of the three displacement detecting units.

Abstract: A glue overflow detection system and method, includes a camera module and a processor. The camera module is configured to capture an image which includes a blue chromaticity image and a red chromaticity image. The processor obtains a chromatic-aberration difference image according to the blue chromaticity image and the red chromaticity image. The processor obtains a block feature image according to the chromatic-aberration difference image. The processor obtains a longitudinal inter-block difference image and a transverse inter-block difference image according to the block feature image. The longitudinal inter-block difference image includes a plurality of longitudinal block difference blocks each of which has a longitudinal difference value. The transverse inter-block difference image includes a plurality of transverse block difference blocks each of which has a transverse difference vale.