97 results about "Exit side" patented technology

A spotlight, having a housing. The housing defines a cavity and a light exiting side of the spotlight. The spotlight has a light element provided in the cavity of the housing; a zoom optic provided in the cavity of the housing; and a filter arranged at the light exiting side on the housing. The filter has a tintable glazing (Smart Glass), wherein the translucency of the glazing is changeable by application of an electric voltage.

The invention discloses a far-infrared silicon-based high-transmittance metasurface and a designing and processing method, and relates to the field of micro-nano optical devices. The metasurface is of a layered stacking structure with a hole-type metasurface atom array layer as a center layer, and an upper antireflection film layer, an upper substrate layer, the hole-type metasurface atom array layer, a lower substrate layer and a lower antireflection film layer are sequentially arranged on the metasurface from the incident side to the emergent side. Each of the upper antireflection film layer and the lower antireflection film layer comprises a first antireflection layer and a second antireflection layer which are sequentially arranged from inside to outside; the hole-type super-structure atom array layer, the upper substrate layer and the lower substrate layer are all made of monocrystalline silicon. According to the invention, the equivalent refractive index of the matching interface is designed through the sub-wavelength structure, the reflectivity of the far infrared band of 8-12 [mu] m is improved to 95% or more under the condition of no loss, the process route is simple, and the microstructure units of the surface of the super-structure are packaged and protected by using the silicon-silicon bonding process, so that the stability of the surface of the super-structure in processing and application is improved.

The display panel includes: a substrate and a base plate that face each other; a plurality of light emitting units that are arranged in an array, wherein the light emitting units are arranged between substrate and base plate; and a plurality of scattering components that are arranged in an array, wherein the scattering components are disposed on light exiting sides of the light emitting units, each of the scattering components includes at least one scattering unit, the scattering unit includes a matrix and a plurality of scattering particles that are disposed on one side of the matrix, and particle sizes of the scattering particles and distances between orthographic projections of the scattering particles on the substrate and a center projection satisfy a relation of positive correlation, wherein the center projection refers to an orthographic projection of a center of each of the light emitting units on the substrate.

A device for beam shaping of a laser beam includes a prism, a polarization rotator, and a thin-film polarizer. The prism is configured to split an incident laser beam into a first beam half and a second beam half. The first beam half is input coupled into the prism. The first beam half enters the prism at a first incidence side arranged at the Brewster angle vis-à-vis the incident laser beam. The first beam half input coupled into the prism is output coupled from the prism at an exit side of the prism at the Brewster angle. The thin-film polarizer is traversed by the first beam half output coupled from the prism. The polarization rotator rotates a polarization of the second beam half. The second beam half is reflected by the thin-film polarizer. The thin-film polarizer superimposes the first beam half and the second beam half.

A phase plug for a compression driver includes a body having an entrance side with a front surface and an exit side with a back surface, the body disposed about a central axis. A plurality of channels are formed through the body from the entrance side to the exit side, each of the plurality of channels having an annular configuration with an entrance at the front surface, an exit at the back surface, and a path length between the entrance and the exit. The plurality of channels have unequal path lengths such that a sound signal propagating through the plurality of channels forms a convex wavefront at the exit side of the phase plug.

A hair removing device includes a reflector, a light source, a first light-transmitting body, two elastic members, a housing defining an air inlet and an air outlet, and a fan for drive air flow from the air inlet to the air outlet. The reflector is a conductor. The light source is a strip-shaped gas excitation light source and arranged opposite to the reflector. The light source is used to emit light when excited by the reflector after the reflector being conducted. A distance between a body of the light source and the reflector is greater than zero and less than or equal to 0.3. The first light-transmitting body is arranged on a light exiting side of the reflector and cooperates with the reflector to define a cavity to receive the light source. Each of the two elastic members being fixed to one of two ends of the light source.

An optical system (1) for a multispectral optical sensor (10) comprises: a diffusing element (2); a detector (3) comprising a detection plane (30); an optical element (4) having an entrance side (41) and an exit side (42), located between the diffusion element (2) and the detector (3); and an aperture (5) located at the incident side (41) of the optical element (4) between the diffusing element (2) and the optical element (41). The optical element (4) is configured to image at least one field of view (100) to a detection plane (30). The detection plane (30) is arranged in a focal plane of the optical element (4). The diffusing element (2) is configured to scatter light from the field of view (100), generating a blurred image (90) of the field of view (100) in the detection plane (30).

The application belongs to the technical field of intelligent manufacturing, and particularly relates to a liquid detection device based on visual identification, which comprises a driving assembly, a fixing assembly and a visual detection module. The driving assembly is used for driving the rotation of an observation tube to obtain different detection orientations. The fixing assembly is used for the fixation of both ends of the observation tube. The fixing assembly comprises an inlet fixing assembly and an outlet fixing assembly. The inlet fixing assembly is arranged on the inlet side of the observation tube and is used for the mounting and fixation of an inlet pipe. The outlet fixing assembly is arranged on the outlet side of the observation tube and is used for the mounting and fixation of an outlet pipe. The visual detection module is used for image acquisition of the observation tube to identify whether the liquid in the observation tube has bubbles or impurities. The driving assembly is arranged to rotate the observation tube, the liquid flowing through the observation tube can be visually detected from multiple angles, and thus bubbles or impurities in the glue can be found before dispensing, so that the dispensing quality can be improved.

A display module (15) and a display device. The display module (15) may comprise a display panel (2), a cover plate (1), a first light source (3), and a light guide mechanism (4); the cover plate (1), the light guide mechanism (4) and the display panel (2) are sequentially arranged in a first direction; the light guide mechanism (4) is located on a light exit side (36) of the display panel (2); the first light source (3) is located on at least one side of the light guide mechanism (4) in a second direction; the first direction is perpendicular to the cover plate (1), and the second direction is parallel to the cover plate (1); the first light source (3) is configured to emit infrared light, and the light guide mechanism (4) is configured to guide the light emitted from the first light source (3) to the cover plate (1). While performing normal display, the display module (15) and the display device can emit infrared light that promotes user health.

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.

A display substrate and a manufacturing method therefor, and a display apparatus. The display substrate comprises a base substrate and a plurality of light-emitting devices located on the base substrate. The display substrate further comprises a reflective structure, the reflective structure comprises a conductive reflective structure and a non-conductive reflective structure, the orthographic projection of the conductive reflective structure on the base substrate overlaps with the orthographic projection of a light-emitting region of each light-emitting device on the base substrate, and the orthographic projection of the non-conductive reflective structure on the base substrate overlaps with the orthographic projection of a non-light-emitting region between two adjacent light-emitting devices on the base substrate. The non-conductive reflective structure can avoid pixel crosstalk and reflect light, which is incident into the non-light-emitting region, to a light-exit side, thereby improving the light-emitting efficiency.

The invention relates to a polycapillary optical unit, in particular for X-ray radiation, consisting of a bundle of capillaries (32), with the capillaries (32) each having a length which is a multiple of a diameter of the capillary (32), having an entry side (34) for a radiation to be coupled in from a radiation source, having an exit side (36) which is opposite the entry side (34), from where the input-coupled radiation arrives at the exit side (36) by way of total-internal reflection off the respective inner wall, and which is where said input-coupled radiation exits, wherein the capillaries (32) are curved toward the exit side (36) such that the exiting radiation is focused on a focus (37) at a focal length (f2), wherein the at least one capillary (32) has a capillary portion (38) oriented toward the exit side (36), the inner wall (31) of the at least one capillary (32) having a surface (33) that prevents total-internal reflection at least in sections along said capillary portion.

The invention relates to a vehicle headlamp (1) comprising a low beam module (2) for generating a low beam distribution, wherein the low beam module (2) for this comprises at least one light source (2a), and a high beam module (3) for generating a high beam distribution, wherein the high beam module (3) for this comprises at least one light source (3a), a projection lens (4), and a ray shield (5), wherein the two light modules (2, 3) are associated with the projection lens (4) as a common projection lens (4) and with the ray shield (3) as a common ray shield (3) in such a way that the light sources (2a, 3a) are arranged respectively such that the common ray shield (5) is in the light path from the respective light source towards the common projection lens (4) in order to delimit the light distribution respectively radiated into the common projection lens (4), and the common projection lens (4) is arranged in the light path of the two light modules (2, 3) such that the light rays radiated by the light modules (2, 3) that pass through the common ray shield (5) can be imaged by the common projection lens (4) in the form of an additive light distribution onto the carriageway, wherein the common projection lens (4) has an optical axis (z), wherein the common projection lens (4) at its exit side (4') has a first deflection section (4a) extending upwards and downwards along the periphery of the projection lens transversely to the optical axis (z), which is arranged at the surface of the projection lens (4), wherein in this first deflection section (4a) the exit side (4') of the common projection lens (4) is configured by juxtaposed projections (6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h), which are respectively delimited by the connection of a first side face (6a') facing the optical axis (z) and a second side face (6a") facing away from the optical axis (z), wherein the totality of the projections comprises at least projections (6a, 6b, 6e, 6f, 6g, 6h) of a first type in which these side faces are configured substantially asymmetrically with respect to one another.

The invention provides a light distribution assembly which comprises a first optical part, the first optical part is provided with a light inlet cavity, the light inlet cavity comprises a first reflecting surface, a light outlet part and a second reflecting surface, and the first reflecting surface is located on the circumferential surface of the light inlet side of the light inlet cavity and is configured to totally reflect light irradiated to the first reflecting surface to a light source; the second reflecting surface is positioned at the top of the light outlet side of the light inlet cavity and is configured to totally reflect the light irradiated to the second reflecting surface to the light source; and the light emitting part is arranged between the first reflecting surface and the second reflecting surface and is configured to emit the light irradiated to the light emitting part. The light distribution assembly and the lamp are small in light emitting angle and uniform in light emitting.

A microscope objective sequentially includes from an exit side to an object side: a first lens having positive refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having negative refractive power, a fifth lens having positive refractive power, a sixth lens having positive refractive power, a seventh lens having negative refractive power, an eighth lens having positive or negative refractive power, a ninth lens having positive refractive power, a tenth lens having positive refractive power, an eleventh lens having negative refractive power, a twelfth lens having positive refractive power, a thirteenth lens having negative refractive power, and a fourteenth lens having positive refractive power. Following relational expressions are satisfied: 1.60≤f9 / f≤4.00; −3.00≤f10_11 / f12_13≤−1.40; −9.00≤(R27+R28) / (R27−R28)≤−1.60; 0.05≤WD / TTL≤0.13; 2.40≤WD*NA≤5.50. The microscope objective has compact structure, has excellent optical performance, and meets the design requirements of low distortion, magnification of 10 times and long working distance.

A lighting device (20) for the interior of a vehicle, in particular for a control module such as a roof control module, is described. The lighting device (20) comprises at least one light guide (24) and at least one light source (26). The at least one light guide (24) has a light-exit side (28) and a back side (30) opposite the light-exit side (28), along which the optical properties of the at least one light guide (24) vary. The at least one light source (26) is configured to shine light (44) into the at least one light guide (24). The optical properties of the at least one light guide (24) vary irregularly along the back side (30).

The invention relates to a refractive beam shaping system for a microscope. The beam shaping system comprises a zoom unit (20) with a light entry side (1) and a light exit side (24). The zoom unit (20) includes two lens groups movable along an optical axis, one of which is configured as a compensator (21) and the other as a variator (22). These components allow the diameter of a light beam at the light exit side (24) to be adjusted to a desired diameter, provided that the diameter of the light beam at the light entry side (1) is within a predetermined tolerance. The beam shaping system also includes a beam-shaping unit (30) arranged downstream of the zoom unit (20) in one beam direction, with at least four lens groups arranged one behind the other in the beam direction.A first and a second lens group shape the intensity profile of the light beam; a third and a fourth lens group correct aberrations. The lenses of all lens groups in both the zoom unit (20) and the beam-shaping unit (30) are spherical.

The embodiment of the utility model provides a camera device, which comprises a light-transmitting body, a light-transmitting lens and a light-transmitting lens, under the condition that the light shielding body is attached to the light transmitting body, the light shielding body is located on the light entering face of the light transmitting body and used for restraining light rays entering the light transmitting body from the target angle; and the sensor is arranged on the light emitting side of the light-transmitting body and is used for receiving the light passing through the light-transmitting body and imaging. Therefore, the problem of poor imaging effect of the camera device in the prior art can be solved, and the technical effect of improving the imaging effect of the camera device is further achieved.

An emission assembly (1), a lidar, a terminal, a vehicle, and a control method. The emission assembly (1) comprises a laser array (11) and an emission optical system (12); the laser array (11) comprises at least two emission channels, and the emission channels are used for emitting light beams; and the emission optical system (12) is located on a light-exit side of the laser array (11), and is used for adjusting the light beams emitted from different emission channels of the laser array (11) to light beams of different emission field-of-view angles. Since the emission optical system (12) can adjust the light beams emitted from different emission channels of the laser array (11) to light beams of different emission field-of-view angles, the emission assembly (1) can support emission of light beams at a plurality of different emission field-of-view angles. When the emission assembly (1) is applied to the lidar, the lidar can switch between different emission field-of-view angles, thereby meeting the requirements of traffic control, especially intelligent driving.

The invention relates to a refractive beam shaping system for a microscope. The beam shaping system includes a zoom unit having a light incident side and a light exit side. In this case, the zoom unit comprises two lens groups which can be moved along the optical axis, one lens group being designed as a compensator and the other lens group being designed as a zoom. As long as the diameter of the light beam on the light entry side lies within a predefined tolerance, the diameter of the light beam on the light exit side can be adjusted to a desired diameter by means of these components. The light beam shaping system further comprises a light beam shaping unit arranged behind the zoom unit in the light beam direction, and the light beam shaping unit is provided with at least four lens groups arranged one after the other in the light beam direction. The first lens group and the second lens group are used for changing the intensity distribution of light beams; the third lens group and the fourth lens group are used for correcting imaging deviation. The lenses in all the lens groups of the zooming unit and the beam shaping unit are spherical lenses.

To provide an illumination optical system which is compact and has wide light distribution and excellent transmission efficiency, and to provide an endoscope equipped with the illumination optical system.SOLUTION: The illumination optical system includes a light guide of the endoscope and a diffusion plate that is disposed on an emission side of the light guide and diffuses light from the light guide. The diffusion plate includes a substrate and a diffusion surface provided on a surface of the substrate on the light guide side. The light diffusion angle distribution on the diffusion surface varies depending on the incident angle of light on the diffusion surface. The diffusion surface satisfies a conditional expression represented by 0.1 <φ a / φ b <0.7, where φ a is a half width at half maximum of the light diffusion angle distribution when the incident angle is equal to or greater than a predetermined threshold value, and φ b is a half width at half maximum of the light diffusion angle distribution when the incident angle is less than the threshold value.SELECTED DRAWING: Figure 1

The utility model discloses a backlight module and a display device. The backlight module comprises a middle frame, a backlight source, a diffusion plate and a transparent supporting piece, and a containing cavity is formed in the middle frame; the backlight source is arranged in the accommodating cavity; the diffusion plate is arranged in the containing cavity and located on the light emitting side of the backlight source. The transparent supporting piece is arranged in the containing cavity, connected to the middle frame and located between the backlight source and the diffusion plate. The edge of the diffusion plate is in lap joint with the side, away from the backlight source, of the transparent supporting piece. The display effect can be improved.

An optical module, a manufacturing method thereof, and a near-eye display device. The optical module has a light incident side and a light-exiting side, and includes a first lens, a partial reflector, a phase retarder, a second lens, a reflective polarizer, and a light-transmissive structure. The reflective polarizer has a reflective axis direction and a transmissive axis direction perpendicular to each other, the light-transmissive structure has a lowest refraction direction, a refractive index of the light-transmissive structure in the lowest refraction direction for linearly polarized light parallel to the lowest refraction direction is lowest, an included angle between the lowest refraction direction and the reflective axis direction is greater than or equal to 70 degrees and less than or equal to 90 degrees, so that the reflective polarizer has a relatively large reflective polarization selectivity ratio.

A phasing plug for a compression driver includes a body having an inlet side with a front surface and an outlet side with a rear surface, the body disposed about a central axis. A plurality of channels are formed through the body from the inlet side to the outlet side, each of the plurality of channels having an annular configuration with an entrance at the front surface, an exit at the rear surface, and a path length between the entrance and the exit. The plurality of channels have unequal path lengths such that acoustical signals traveling through the plurality of channels form a convex wavefront at the outlet side of the phasing plug.

The invention, which relates to the technical field of microscopic imaging and wafer bonding, provides a large-field-of-view dispersion microscope objective comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens in sequence from an emergent side to an object side. The first lens and the second lens are glued to form a group of doublet lens, the fourth lens and the fifth lens are glued to form a group of doublet lens, and the sixth lens and the seventh lens are glued to form a group of doublet lens. The dispersion microscope objective is a 5X objective, the object space view field is 11mm, the dispersion microscope objective is used in a high-precision chip and wafer bonding visual system, adjacent mark points of a chip and a wafer needing to be bonded can be observed at the same time through the microscope objective by means of dispersion characteristics, and due to the fact that real-time observation can be achieved in the bonding process, the bonding precision is greatly improved. Therefore, by using the large-view-field dispersion microscope objective, the precision and efficiency of a chip and wafer bonding system can be greatly improved.

The goal is to achieve good imaging performance at a lower cost compared to conventional methods. [Solution] The device comprises a first lens array and a second lens array, at least one of which has a light-transmitting lens array substrate formed from a material with a linear expansion coefficient smaller than that of the resin forming the lenses, and a resin layer is tightly adhered to at least one of one surface of the lens array substrate that is the light incident side and the other surface opposite to the first surface that is the light exit side, and a plurality of the lenses are formed in the resin layer.

A nebulizer aperture plate (100, 800) and a method of manufacturing it are described. A plate has a first inlet-side surface and a second outlet-side surface, with the first surface being processed such as by chemical etching to perform material subtraction to provide an arrangement of blind recesses (801, 901) in the plate. Alternatively, the blind recesses (102) may be provided by electrodeposition around pillars of resist (104) having shapes corresponding to the recesses. There is then laser drilling of aerosol-forming apertures (805, 806) in the bases of the blind recesses, so that the recesses become liquid supply cavities to the apertures. The laser drilling is through thin material, only the blind bases (105, 803) of the recesses. The recesses have a large surface area within aperture length of the outlet surface to allow drilling of the desired number of apertures. By the methods the liquid supply cavities are manufactured using techniques which are generally well established and suited to the dimensions required, and the apertures are drilled also using well established laser drilling technology, especially as the lengths of the apertures is small.

The application provides a camera module and an electronic device. The camera module comprises: a lens; a motor comprising a fixed part and a movable part, the movable part being connected to the lens, and the movable part and the fixed part having a gap for movement of the movable part relative to the fixed part; a prism arranged on the light exit side of the lens, the lens and the gap being located on the same side of the prism, the prism being configured to receive light from the lens and reflect the light at least once; and a dust catching structure arranged on the side of the prism facing the lens, the dust catching structure being arranged opposite the exit of the gap extending to the side of the prism. The above technical solution can improve the black shadow problem of the folding module and improve the imaging quality of the image.

A display module, including: a protective cover, a flexible display panel, and a metal heat-dissipation layer. The protective cover includes a main body portion in the shape of a circular plate and a bending portion distributed around the main body portion. The bending portion is fixedly connected to an edge of the main body portion. A light-exit side of the flexible display panel is attached to the protective cover. An orthographic projection of an edge portion of the flexible display panel on the protective cover is within the bending portion. The metal heat-dissipation layer is attached to a side, going away from the protective cover, of the flexible display panel. An orthographic projection of an edge portion of the metal heat-dissipation layer on the protective cover is within the bending portion. The edge portion of the metal heat-dissipation layer has a plurality of hollowed-out grooves arranged in arrays.

The lighting device (1) of the embodiment includes a light source (4) and a lens (3). The lens (3) is disposed on the exit side of the light source (4). The cross-sectional shape of the light from the light source (4) that enters the entrance surface (3b) of the lens (3) in a plane having the exit direction of the light and a prescribed direction orthogonal to the exit direction as two axes is an S-shaped cross-sectional shape.