171 results about "Exit side" patented technology

A display substrate and a manufacturing method therefor, and a display device, relating to the technical filed of display. The display substrate comprises: a light-emitting substrate (11), comprising a light-emitting area (AA), the light-emitting area comprising a plurality of sub-light-emitting areas (EA); a packaging layer (12), arranged on the light exit side of the light-emitting substrate, the surface of the packaging layer facing away from the light-emitting substrate comprising a plurality of recessed areas (AX), the recessed areas being recessed towards the side close to the light-emitting substrate, the packaging layer comprising a plurality of sub-packaging layers (14) that are stacked, and the recessed areas comprising openings of the plurality of sub-packaging layers; and a micro-lens array (13), located on the side of the packing layer facing away from the light-emitting substrate, the micro-lens array comprising a plurality of micro-lenses (ML), the micro-lenses being located in the recessed areas, and the orthographic projections of the micro-lenses on the light-emitting substrate at least partially overlapping the sub-light-emitting areas so as to change the propagation direction of at least part of emitted light of the sub-light-emitting areas.

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.

An objective system of a medical scope including an optical filter is disclosed. The optical filter includes a light incident side and a light exit side, a central region around an optical axis, and a peripheral region and is designed as an aperture with a single optical axis for white light and fluorescence light. The optical filter includes a first transmission zone for a transmittance of a first wavelength band and a second transmission zone for a transmittance of a second wavelength band at least partially different from the first wavelength band. At least one of the two transmission zones includes a filter coating. As a result, when both white light and fluorescence light pass the optical filter, a light beam cone of the fluorescence light has a larger diameter than a light beam cone of white light or vice versa.

An optical module (200), comprising an optical processing component (500). The optical processing component (500) comprises: a first beam processing assembly (510); a second beam processing assembly (520), the second beam processing assembly (520) being arranged above the first beam processing assembly (510); a lens assembly (530) arranged at the light exit side of the first beam processing assembly (510) and the second beam processing assembly (520); and a deflecting prism (540) arranged at the light exit side of the lens assembly (530), wherein the deflecting prism (540) is provided with reflective surfaces (5411, 5421, 5431, 5441, 5451) at the reflection side thereof, the reflective surfaces (5411, 5421, 5431, 5441, 5451) are located on an output optical path of at least one of the first beam processing assembly (510) and the second beam processing assembly (520), and the reflective surfaces (5411, 5421, 5431, 5441, 5451) are configured to reflect light signals output by the first beam processing assembly (510) and / or the second beam processing assembly (520).

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 projection apparatus, comprising: a light modulation assembly (10), a dimming film (40), a transflective mirror (20), and a reflective mirror (30). The dimming film (40) is arranged on the light exit side of the light modulation assembly (10), and the transflective mirror (20) is arranged on the side of the dimming film (40) distant from the light modulation assembly (10); when a plurality of first light rays (L1) emitted from the light modulation assembly (10) pass through the dimming film (40), a plurality of corresponding second light rays (L2) are formed and emitted to the transflective mirror (20), and at least some of the second light rays (L2) are reflected by the transflective mirror (20) to the reflective mirror (30) and are then reflected by the reflective mirror (30) to the transflective mirror (20) to be emitted; among the plurality of first light rays (L1), the first light rays (L1) of which the divergence angles are greater than a first preset value are target light rays, and the divergence angles of second light rays (L2) corresponding to at least some of the target light rays are less than the divergence angles of the target light rays.

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.

To provide a lighting device that can readily design a drawing pattern with a small configuration.SOLUTION: A lighting device includes: a light source; a Fresnel plane disposed on an emission side of the light source; a linear prism plane disposed on an emission side of the Fresnel plane; and a lenticular plane disposed while being inclined on an emission side of the linear prism plane.SELECTED DRAWING: Figure 1

A light bead, a light plate, and a display device are disclosed. The light bead includes a light-emitting chip disposed at a bottom of the light bead, a light diffusing and collimating assembly disposed on a light-exiting side of the light-emitting chip, and a light-exiting layer. The light-exiting layer includes a first, a second, and a third light-emitting region, and two baffles. When the light-emitting chip is in operation, the emitted light passes through the light diffusing and collimating assembly and enters each of the first, the second, and the third light-emitting region, thus forming a first color light after passing through the first light-emitting region, a second color light after passing through the second light-emitting region, and not changing the color of the light after passing through the third light-emitting region, so that the light bead is able to emit light in three different colors.

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.

The application discloses a camera module and an electronic device. The camera module comprises a first light path deflection mirror, a first mirror part with positive optical power and a second mirror part with negative optical power, the first light path deflection mirror is used for changing the light rays entering the first mirror part along a first direction to the light rays exiting the second mirror part along a second direction, the second direction intersects the first direction; an image sensor is arranged on the light exit side of the second mirror part and is used for receiving the light rays exiting the second mirror part.

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.

The invention relates to a light guide for a light module of a motor vehicle headlight, comprising a light entry side and a light exit side (300), the light exit side (300) being formed by an associated outcoupling surface comprising at least one first outcoupling region (310) and one second outcoupling region (310, 320), the first outcoupling region (310) being smoothly designed and the second outcoupling region (320) being provided with a roughness and being designed such that the first outcoupling region (310) and the second outcoupling region (320) can be coupled to the first outcoupling region (310), and the second outcoupling region (320) being designed such that the first outcoupling region (310) and the second outcoupling region (320) can be coupled to the second outcoupling region (320). The second coupling-out region (320) is formed by at least two sub-regions (321, 322) having different roughness from each other according to VDI 3400: 1975-06, the sub-regions (321, 322) being arranged such that the roughness increases starting from the first coupling-out region, the sub-region (321, 322) having a lower roughness being directly adjacent to the first coupling-out region (310), and the sub-region (321, 322) having a lower roughness being directly adjacent to the first coupling-out region (310). Therefore, a gradual transition from the maximum intensity area to the peripheral area can be generated in the light distribution.

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.

A fixing system includes: a fixing device having a first rotating body that rotates while being heated by a heating member, and a second rotating body that rotates while being in contact with an outer peripheral surface of the first rotating body to form a passage portion through which a recording medium on which a toner image is formed passes; and an exhaust device having a duct that sucks in a part of the air present on the outlet side of the passage section from an intake port, causes the air to flow upward at least once, and then discharges the air outward from an exhaust port, and a fan that generates a force for sucking in the air and causing the air to flow inside the duct. The guide pipe is provided with an opening part which takes in air from the outside of the guide pipe at the midway position of the upward flowing part. The protruding part protrudes towards the interior of the guide pipe on the inner wall surface part on the side opposite to the opening part; and the trapping part traps unnecessary substances generated and falling in the interior of the guide pipe at a position closer to the lower part than the protruding part.

The utility model provides an optical assembly and a near-to-eye display device. The optical assembly comprises a first optical lens; the first semi-reflecting and semi-transmitting layer is arranged on the light incident side of the first optical lens; the composite film group is arranged on one side, far away from the first semi-reflecting and semi-transmitting layer, of the first optical lens, and the composite film group and the first semi-reflecting and semi-transmitting layer enable the light to be reflected back in the first optical lens and then to be emitted from the composite film group; the light deflection assembly is arranged on the light outlet side of the composite film set. The optical assembly and the near-to-eye display device can improve the imaging quality without increasing the thickness.

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.

A laser device includes a substrate, a first frame, at least one packaging structure, at least one light-emitting chip, a target optical element and a first cover. The first frame is fixed to the substrate to define a first accommodating space. The packaging structure is located in the first accommodating space and forms a second accommodating space. The light-emitting chip is located in the second accommodating space and configured to emit laser beams. The target optical element is located in the first accommodating space. The first cover is fixed to a side of the first frame away from the substrate. The packaging structure includes a target side wall, located on a light exit side of the light-emitting chip and the target side wall is light-transmissive. The laser beams emitted from the light-emitting chip is transmitted to the target optical element through the target side wall.

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 plasma generating device using the resonant waveguide according to the present invention may comprise: a ring-shaped or elliptical central waveguide having a plurality of slits on the inner surface thereof; the electromagnetic wave transmission unit is used for transmitting electromagnetic waves to the central waveguide; an electromagnetic wave supply unit that transmits electromagnetic waves to the electromagnetic wave transmission unit; and a plasma chamber positioned on the exit side of the slit so as to seal the inside of the central waveguide, and having an electromagnetic wave entrance window formed therein, the electromagnetic wave entering through the slit being radiated to the outside.

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.