321 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.

This application relates to the field of electronic device technologies, and provides a camera module and an electronic device, to reduce a volume of the camera module while improving image stabilization performance of the camera module. The camera module includes an optical lens, a module circuit board, a photosensitive chip, and an actuator. The module circuit board is disposed on a light exit side of the optical lens and includes a fastening part, a moving part, and an elastic part. The moving part is elastically connected to the fastening part through the elastic part. The photosensitive chip is disposed on a side that is of the moving part and that faces the optical lens. The actuator includes a fastened clamping jaw, a movable clamping jaw, and a wire. The actuator drive the moving part to move relative to the fastening part when the length of the wire changes.

A blower (1) for a fuel cell arrangement for recirculating a gas mixture used for operating the fuel cell arrangement is described, comprising a drive motor (7, 8, 9) which has a rotor (9) coupled to a motor shaft (7) and a stator (8) arranged radially outside the rotor (9). An annular channel (10) is provided radially between the rotor (9) and the stator (8) for conveying the gas mixture from an inlet side to an outlet side of the annular channel (10). A blower impeller (5) coupled to the motor shaft (7) is provided in the region of the outlet side of the annular channel (10) to convey the gas mixture from the inlet side to the outlet side of the annular channel (10) when rotating. The blower (1) further comprises a suction jet arrangement (16) with a nozzle for generating a high-velocity gas flow, which is integrated into the flow path of the blower (1) to cause a flow through the blower (1).

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.

The display panel comprises a display region and a bonding region, the bonding region comprises a display substrate and a first adhesive layer, a polarizing layer, a second adhesive layer and a cover plate layer arranged sequentially on a light exit side of the display substrate, the first adhesive layer and the polarizing layer are disposed in a lead region, a bending region and a composite circuit region in the bonding region, the cover plate layer is provided with a cover plate shield layer, at least one of the display substrate, the first adhesive layer and the polarizing layer is provided with a bonding shield layer, the distance between an edge of the bonding shield layer and the boundary of the display region is less than the distance between an edge of the cover plate shield layer and the boundary of the display region.

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 relates to the technical field of unconventional oil and gas reservoir development, and discloses a shale adsorption boundary layer thickness experimental determination method which comprises the following steps: manufacturing a nano etching model by adopting an electron beam etching method, putting the nano etching model into a visual clamping box body, vacuumizing, heating to a formation temperature, and drying the nano etching model; confining pressure liquid is injected from the lower portion of the box till the whole annular cavity is filled with the confining pressure liquid and keeps stable, and the pressure in the annular cavity is higher than the pressure in the model; the pressure of the outlet end of the box body is adjusted to the stratum condition, and the pressure difference is controlled to be unchanged in the adjusting process; performing wetting modification on the model, and simulating the wettability of the shale core; shale oil at the formation temperature is injected into the model, and meanwhile images are collected and time is recorded; and determining the thickness of the shale adsorption boundary layer according to the acquired image and time. The thickness of the shale adsorption boundary layer is determined through a nano-model flow experiment, and the lower limit of the shale pore throat can be accurately represented.

The display panel and the display device are applied to the display device, the display device comprises the display panel and a back plate, the display panel comprises a light emitting side and a backlight side opposite to the light emitting side, and the back plate is in contact with the backlight side through at least one elastic piece structure at a preset position; the display panel further comprises at least one stress structure which is arranged on the backlight side and at least partially corresponds to the at least one elastic piece structure, and the projection of the stress structure on the back plate at least partially covers the at least one elastic piece structure.

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.

The utility model relates to the technical field of illumination, and provides a radiator and a barrel spotlight. The radiator is suitable for the tube spotlight, the tube spotlight comprises a lamp body, the lamp body is provided with a light emitting side and a backlight side which are opposite to each other, the radiator comprises radiating fins suitable for being arranged on the backlight side, and the radiating fins are suitable for being arranged in a laterally protruding mode relative to the lamp body. Therefore, the heat dissipation performance of the lamp can be 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.

A lens assembly including an incident side on which light is incident and an exit side opposite to the incident side, includes: a first polarization layer disposed adjacent to the incident side; a second polarization layer disposed between the first polarization layer and the exit side; a phase retardation layer disposed between the first polarization layer and the second polarization layer. The phase retardation layer has a first phase retardation refractive index along a first direction, has a second phase retardation refractive index equal to the first phase retardation refractive index along a second direction, and has a third phase retardation refractive index along a third direction perpendicular to the first direction and the second direction, and the first phase retardation refractive index and the second phase retardation refractive index are different from the third phase retardation refractive index.

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).

The utility model provides a display module and a display device, and belongs to the technical field of display. The display module is divided into a middle area and an edge area surrounding the middle area; the display module comprises: a display substrate; the cover plate is positioned on the light-emitting surface side of the display substrate; the first box dam and the second box dam are both located in the edge area and arranged around the middle area; the first box dam is located on the periphery of the display substrate, and a certain distance is formed between the first box dam and the display substrate; the second box dam is closer to the middle area than the first box dam, and the second box dam is located on the backlight face side of the display substrate; the first box dam, the second box dam, the display substrate and the cover plate define a containing space located in the edge area. The containing space is filled with the edge sealing glue, and the edge sealing glue is used for sealing the edge of the display substrate.

The embodiment of the present invention discloses a backlight module and a display device. The backlight module includes: a back plate and a light source located on the back plate near the light-emitting side of the backlight module, the backlight module includes a first light-emitting area and a second light-emitting area, the back plate in the first light-emitting area protrudes toward the light-emitting side of the backlight module, the light mixing distance of the first light-emitting area is smaller than the light mixing distance of the second light-emitting area, so that the light mixing distance of the first light-emitting area is less than that of the second light-emitting area to form a space for accommodating electronic materials such as a mainboard and a power supply, thereby arranging the mainboard, the power supply and other electronic materials and the backlight module as a whole to form a complete machine state, so that the rear shell of the whole machine and the height of the back plate are kept flush, the thickness of the whole machine is effectively reduced, and the overall consistent appearance characteristics are achieved.

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 provides an off-axis double-mirror focusing backlight display device which comprises a light-emitting array composed of a plurality of light-emitting sources and providing a backlight source; the conical light cup array is composed of a plurality of conical light cups, the light emitting arrays are located on the light incident sides of the conical light cup array respectively, the light emitting sources correspond to the conical light cups respectively, and the conical light cup array is used for amplifying the backlight source and reducing the diffusion angle of the backlight source; the diffusion sheet is arranged on the light emitting side of the conical light cup array and is used for increasing the uniformity of the backlight source; the first curved mirror is used for receiving and reflecting the backlight source; the second curved mirror is used for receiving and reflecting the backlight source reflected by the first curved mirror; the display module is used for receiving the backlight source reflected by the second curved mirror; at least one of the first curved mirror and the second curved mirror is a concave mirror.

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).

A planar illumination device according to an embodiment includes a plurality of light sources, a condenser lens, and a field lens. The plurality of light sources are disposed two-dimensionally on a substrate and light emission of the plurality of light sources is individually controlled. The condenser lens is disposed at an exit side of the light sources in parallel with the substrate and configured to condense light exiting from the light sources. The field lens is disposed at an exit side of the condenser lens, disposed inclined in at least one direction orthogonal to a plane parallel to the substrate, configured to spread light incident from the condenser lens outward, and disposed along a liquid crystal panel attached externally.

The invention relates to the technical field of display, in particular to a display module, a manufacturing method thereof and a display device. The display module comprises a light emitting module; the peep-proof assembly is located on the light emitting side of the light emitting module, the peep-proof assembly comprises a peep-proof layer and a dimming layer, and the dimming layer is located between the peep-proof layer and the light emitting module; the peep-proof layer comprises a plurality of retaining walls, and a light-transmitting part is arranged between every two adjacent retaining walls; the light adjusting layer comprises a plurality of light adjusting units, one light adjusting unit corresponds to at least one retaining wall, the vertical projection of the light adjusting unit on the plane where the light emitting module is located is at least partially overlapped with the vertical projection of the retaining wall corresponding to the light adjusting unit on the plane where the light emitting module is located, and the light adjusting units are used for changing the path of at least part of light emitted to the retaining walls. Therefore, the part of light rays are emitted to the light-transmitting part. The display effect can be improved while peep prevention is achieved.

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.