225 results about "Exit side" patented technology

The invention relates to the technical field of aero-engine tests, in particular to an aero-engine turbine blade cooling effect test optical test structure which comprises optical glass, an outer casing and an optical channel pipe. The optical glass is located on the light-in side of the optical channel pipe, and the light-out side of the optical channel pipe faces the target blade. The outer casing is arranged on the outer side of the optical channel pipe in a sleeving mode, and a cooling channel is formed between the inner wall of the outer casing and the outer wall of the optical channel pipe so as to cool the optical channel pipe; a gas film ring is connected between the optical glass base and the light inlet side of the optical channel pipe in a sealed mode and located on the light outlet side of the optical glass. The optical glass base is provided with the cooling gas inlet, and the gas film ring is provided with the gas jet hole, so that the cooling gas performs jet sweeping on the light emitting surface of the optical glass and enters the optical channel pipe to cool the optical channel pipe, thereby improving the accuracy of the cooling effect test result of the turbine blade.

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 light source diffusion structure and an illumination lamp, and relates to the technical field of illumination equipment, the light source diffusion structure comprises a diffusion main body, the diffusion main body comprises a light incident side and a light emergent side opposite to the light incident side, the light incident side comprises a first area and a second area, and the first area is adjacent to the second area; the first area is provided with a light control curved surface protruding in the direction away from the light emitting side, so that part of light emitted by the light source is refracted on the light control curved surface and is emitted from the light emitting side at a specific angle, and the specific angle corresponds to the curvature of the light control curved surface; the second area is provided with a plurality of light expanding lenses protruding in the direction away from the light emitting side, so that the other part of light emitted by the light source intersects at least once in the diffusion body and is emitted from the light emitting side in a divergent mode. The light control curved surface with the corresponding curvature can be selected according to actual requirements, so that the irradiation area with the corresponding shape and area is obtained, and the adaptation degree of the illumination lamp is improved.

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.

A floatation roll supports a work to be conveyed contactlessly using a force applied to the work contactlessly. The floatation roll has a cylindrical shape extending in a direction of width of the work, and at least a surface of the floatation roll facing the work being formed by a circumferential surface. A driving unit rotates the floatation roll in a yaw direction. Of a wrap angle of the work supported by the floatation roll contactlessly, a wrap angle on an entry side with respect to an apex point and a wrap angle on an exit side with respect to the apex point are set to be different.

The invention discloses a camera module which comprises a photosensitive component and an optical lens arranged on a photosensitive path of the photosensitive component, the optical lens comprises at least one lens substrate and at least one lens unit, the at least one lens substrate is arranged at the top end of the light incident side of the optical lens, and the at least one lens unit is arranged at the top end of the light incident side of the optical lens. The at least one lens unit is integrally formed on the light outlet side of the at least one lens substrate, the lens substrate arranged at the top end of the light inlet side of the optical lens is integrated in the wafer-level lens, the end face of the optical lens is protected through the lens substrate, and the height of the camera module can be reduced. The invention also discloses a camera module, the photosensitive assembly comprises a photosensitive chip and a chip substrate installed on the front surface of the photosensitive chip, at least one of the light incident surface and the light emergent surface of the chip substrate has a curved surface type, and the curved surface type is formed on at least one of the light incident surface and the light emergent surface of the chip substrate. The height of the camera module can be reduced.

Coriolis mass flowmeter and / or density meter (100) comprising: at least two measuring tubes (110) which are bent in the rest position, wherein the measuring tubes (110) have measuring tube center lines which run in pairs mirror-symmetrically to a first mirror plane (Syz) which extends between the measuring tubes (110), wherein the measuring tube center lines each run mirror-symmetrically to a second mirror plane (Sxy) which extends perpendicular to the first mirror plane (Syz); at least one excitation arrangement (140) and at least one sensor arrangement (142); a collector (120) on the inlet side and an outlet side, wherein the measuring tubes (110) are fluidically combined with one of the collectors (120) on the inlet side and the outlet side; a support body (124) which rigidly connects the inlet-side collector (120) and the outlet-side collector (120); and at least one plate-shaped coupler (132, 134) on the inlet side and the outlet side, wherein the measuring tubes (110) are connected to one another in pairs by means of the couplers (132, 134) in order to form an oscillator, wherein the couplers (132, 134) are arranged symmetrically to the first mirror plane (Syz) and in pairs symmetrically to the second mirror plane (Sxy), wherein the excitation arrangement (140) is designed to excite a bending vibration mode between the two measuring tubes (110) of the respective oscillator, wherein the sensor arrangement (142) is adapted to detect oscillations of the respective oscillator, wherein the measuring tube center lines of the measuring tubes (110) of at least one oscillator between the second mirror plane (Sxy) and the collectors (120) each have a first bent section (114), a second bent section (118) and a straight section (116) arranged between the bent sections (114, 118), to which the two bent sections (114, 118) adjoin, wherein the first bent section (114) and the second bent section (118) are bent in opposite directions, wherein the second bent section (118) is arranged on the side of the straight section (116) facing away from the second mirror plane (Sxy), wherein the projection of the measuring tube center line between the intersection point with the second mirror plane (Sxy) and the transition between the straight section (116) and the second bent section (118) onto the second mirror plane (Sxy) Arch height (h) defined,wherein twice the distance between the second mirror plane (Sxy) and the measuring tube center line at the transition between the straight section (116) and the second curved section (118) defines an arc width (w), wherein the quotient of the arc height (h) divided by the arc width (w) defines a relative arc height (h, r ) which is not less than 0.65, where the relative arch height (h r ) is not more than 1.0, wherein the first curved sections (114) between the second mirror plane (Sxy) and the straight section (116) each have a plurality of stiffening bodies (151, 152, 153, 154) which surround the respective measuring tube (110) in a ring shape, wherein at least one of the couplers (132, 134) on the inlet side and the outlet side has a tuning opening surrounded by a closed edge between the measuring tubes (110) connected by the coupler (132, 134) for influencing the oscillation properties of the respective oscillator, wherein the tuning opening in the first mirror plane (Syz) has an extension of at least 70% of the diameter of the measuring tubes (110).

To provide a shutter mechanism capable of sufficiently switching to a shut state, and a drying device comprising such a shutter mechanism.SOLUTION: A shutter mechanism 50 comprises: a shutter frame 51, with a first cylindrical space 50a and a second cylindrical space 50b formed therein, an inflow opening 511a formed to penetrate an inflow side plate 511 (a first outer wall), an outflow opening 512a formed to penetrate an outflow side plate 512 (a second outer wall), and a passage opening 513a formed to penetrate a partition plate 513 (a partition wall); an inflow side shutter 52 inserted / disposed in the first cylindrical space 50a and slidable between an inflow side shielding position P11 and an inflow side communication position; and an outflow side shutter 53 inserted / disposed in the second cylindrical space 50b and slidable between an outflow side shielding position P13 and an outflow side communication position.SELECTED DRAWING: Figure 4

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.

The invention relates to a planar optical element (1) having a light entry side and a light exit side, and a method for producing the same. The invention relates to an optical element comprising first and second transparent regions (B1, B2) alternating with each other made of a material having first and second different refractive indexes (N1, N2), the first refractive index (N1) being greater than the second refractive index (N2). First and second layers (OB, AB), which are opaque or switchable to be opaque, are arranged on the light entry surface and the light exit surface of the second region (B2). For the case of opaque layers (OB, AB), the light passing through the optical element (1) is limited in its propagation direction compared to the case of switching to transparent layers (OB, AB).

Method for producing a luminous element (10) comprising: a half mirror (1) having a luminous surface (5) on a light exit side of the half mirror (1); a light source (13); a light guide body (14) configured to guide light (L) from the light source (13) to cause the luminous surface (5) to emit light (L); and a reflector (15) arranged opposite the half mirror (1) and configured to reflect the light (L) to the luminous surface (5) side, wherein the half mirror (1) comprises a transparent plate (2) with a reflection region (A1) at which the light (L) is reflected and a transmission region (A2) through which the light (L) is transmitted at a surface of the transparent plate (2), wherein the transmission region (A2) is formed by a plurality of vertical lines and a plurality of horizontal lines in a grid pattern, and the reflection region (A1) is provided in a portion surrounded by the plurality of vertical lines and horizontal lines, where the half mirror (1) is formed by: a masking step for coating a position of the transparent plate (2) corresponding to the transmission area (A2) with a masking material (7); a coating step for coating the entire surface including the transmission region (A2) coated with the masking material (7) and the reflection region (A1) with the coating (8), wherein the coating (8) is thicker than the masking material (7), a coating removal step for removing the coating (8) to a depth at which the masking material (7) is exposed after the coating step; and a masking material removing step for removing the masking material (7) after the coating removing step, wherein the reflector (15) is arranged at a distance from the half mirror (1) and a surface of the reflector (15) facing the half mirror (1) side is convex towards the half mirror (1) side.

A luminaire comprising two light source groups, each comprising at least one light source (1, 2), and an optical element (3), wherein the at least one light source (1) of the first light source group is designed to emit light with a first intensity profile (10) for radiating a first light color, which has a first mean intensity value averaged over a wavelength interval between 500 nm and 600 nm, and wherein the at least one light source (2) of the second light source group is designed to emit light with a second intensity profile (20) for radiating a second light color, which has a second mean intensity value averaged over the wavelength interval, wherein the first and the second intensity profiles differ, wherein the light sources (1, 2) of the light source groups are arranged on a light entry side of the optical element (3) and are thus arranged relative to the optical element (3),that the light emitted by them enters the optical element (3) at the light entry side of the optical element (3) before exiting at its light exit side, characterized in that the optical element (3) has a transmittance which is less than 60%, in particular between 5% and 60%, in a first wavelength range having a width of at least 50 nm, in particular of at least 80 nm, and which is more than 70%, in particular more than 80%, in a second wavelength range having a width of at least 30 nm, in particular at least 60 nm, and does not overlap with the first wavelength range, wherein a first intensity averaged over the first wavelength range and a second intensity averaged over the second wavelength range of the first intensity profile (10) each amount to at least 10%, in particular at least 15% of the first intensity mean value,and wherein a first intensity averaged over the first wavelength range and a second intensity averaged over the second wavelength range of the second intensity profile (20) are each at least 10%, in particular at least 15% of the second intensity mean value, wherein the at least one light source (1) of the first light source group is designed to emit a warm white light color with a color temperature of less than 3,500 K, and wherein the at least one light source (2) of the second light source group is designed to emit a cold white light color with a color temperature of more than 4,000 K.,

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.