145results about "Lighting device details" patented technology

A display apparatus (500), a control circuit (300), an anti-peeping display method and a storage medium (400) are provided. The display apparatus (500) includes a display panel (200) and a backlight module (100). The anti-peeping display method includes: determining an anti-peeping area; controlling the dimming diaphragm (3) to be alternately switched between a transparent mode and a diffusion mode; in response to the dimming diaphragm (3) being switched to the transparent mode, disabling a part of first light-emitting units (22) rotating into the anti-peeping area from emitting light and enabling a part of second light-emitting units (23) rotating into the anti-peeping area to emit light; and in response to the dimming diaphragm (3) being switched to the diffusion mode, disabling the part of the first light-emitting units (22) rotating into the anti-peeping area to emit light and the part of the second light-emitting units (23) rotating into the anti-peeping area from emitting light. Under different modes of the dimming diaphragm (3) being switched to, positions of the first light-emitting unit (22) and the second light-emitting unit (23)are continuously changed and light-emitting conditions of the first light-emitting unit (22) and the second light-emitting unit (23) are continuously adjusted as the one or more light bars rotate, such that an area of the display panel (200) where the collimated light is transmitted to is capable to be changed, thereby realizing local dynamic anti-peeping of the display panel (200).

Lighting device (10) for a passenger transport vehicle, wherein the lighting device comprises: a lighting unit (13) designed to illuminate a projection area (31) differently with a light cone (130) based on a plurality of different lighting patterns; where the lighting patterns are pixel-based image data; an interface (12) to an external system for receiving and sending lighting data; and a control unit (11) designed to control the lighting unit with respect to the different lighting patterns based on the received lighting data; characterized by the fact that the lighting unit (13) is designed to generate multiple light cones in a coverage area of ​​the lighting unit depending on the pixel-based image data, so that a light cone results in a delimited lighting area within the coverage area and only the resulting lighting area is illuminated.

Presented herein is an illumination assembly for providing polychromatic measurement light (230) for an optical measurement device. The illumination assembly includes an aperture component (202) having a first side and an opposing second side and at least one orifice (204), at least one pump light source (206) positioned to provide pump light (220) to the first side of the aperture component (202), and a photoluminescent component (208) positioned on the second side of the aperture component (202) for converting the pump light (220) receptive on the photoluminescent component (208) from the at least one pump light source (206) into polychromatic measurement light (230). At least a portion of the measurement light (230) can pass through the aperture component (202) through the at least one orifice (204) to provide the measurement light (230) to the first side of the aperture component (202). Also presented are related methods and measurement apparatus for using the lighting assembly.

The invention provides a dimming device capable of suppressing reduction of illuminance of emitted light. The dimming device includes a panel unit in which a plurality of dimming panels are stacked in a Z direction, a light source, and a driver electrically connected to each of the plurality of dimming panels and controlling a voltage applied to each of the plurality of dimming panels. Each of a plurality of dimming panels provided in a panel unit has: a first substrate provided with an electrode; a second substrate overlapping the first substrate in the Z direction and provided with an electrode; and a liquid crystal layer filled between the first substrate and the second substrate, one of a voltage supplied to the electrode provided on the first substrate and a voltage supplied to the electrode provided on the second substrate being a predetermined maximum voltage, the other being a voltage lower than the predetermined maximum voltage.

The present application provides a vehicle lamp module, a vehicle lamp, a vehicle, a projection method, and a related apparatus. The vehicle lamp module is applied to a vehicle. The vehicle lamp module comprises a light source, a first adjustment assembly, and a deflection mirror body. The light source is mounted on a vehicle body of the vehicle, and light of the light source is emitted through a light exit surface of the light source. The first adjustment assembly is mounted on the vehicle body, the first adjustment assembly is connected to the deflection mirror body, and the first adjustment assembly is capable of adjusting the orientation of an exit surface of the deflection mirror body located in a light path of the light source, so that light passing through the deflection mirror body is deflected. Embodiments of the present application can achieve the flexible adjustment of an illumination area of the vehicle lamp module and expand a field of view of the vehicle lamp module, thereby achieving a wide range of illumination and projection.

The utility model discloses a refraction luminescence smoke sensing device comprising a housing, the upper surface of the housing is provided with a mounting mechanism, the middle part of the inner side surface of the housing is provided with a drainage mechanism, and the edge of the inner side surface of the housing is provided with a light sensing mechanism. According to the refraction light-emitting smoke sensing device, through the arrangement of the first refraction plate, the second refraction plate and the concave lens, light emitted by the light-emitting part irradiates the outer surface of the first refraction plate, the light is reflected to the second refraction plate through the first refraction plate, then the second refraction plate scatters the light through the concave lens, the interaction between the light and smoke particles is enhanced, and the smoke sensing effect is improved. When smoke particles enter the shell, light can be refracted, scattered or reflected, part of light can be captured by the light receiver, and if the intensity of received light signals is different from a set threshold value, the device can trigger an alarm, so that the smoke detection sensitivity is improved, and meanwhile, the false alarm rate is reduced.

Disclosed is an image variable lighting apparatus, including a light source portion configured to emit light forward, and a variable light-transmitting portion configured to be disposed in front of the light source portion, in which light transmittance of the variable light-transmitting portion changes depending on whether an electrical signal is input to the variable light-transmitting portion.

The present disclosure is applicable to a display apparatus-related technical field, and relates to, for example, a rotating type display apparatus using light emitting diodes (LEDs) which are semiconductor light emitting devices. According to the present disclosure, the rotating type display apparatus using the light-emitting devices comprises: a fixed portion including a motor; a rotating unit located on the fixed portion and rotated by the motor; and a light source device coupled to the rotating unit and implementing a display by using an afterimage while rotating with the rotating unit, wherein the light source device may comprise: at least one panel radially arranged or at least one panel arranged along a cylindrical surface; a light emitting device array in which individual pixels are arranged in the lengthwise direction on each panel; and a barrier wall located on the panel on at least one side of the individual pixels.

A lighting arrangement (2) for the interior of a vehicle is provided. The lighting arrangement (2) comprises a lighting element (9) with a substantially planar front surface, at least one light source (10) for illuminating the lighting element (9) with a primary light, such that the front surface of the lighting element (9) can emit a secondary light that is visually perceptible to vehicle occupants. The lighting arrangement (2) further comprises a light-blocking layer (8) arranged in front of the front surface of the lighting element (9), wherein the light-blocking layer (8) has a number of continuous recesses with a light-absorbing inner wall, such that the propagation of the secondary light in at least one reflection-critical direction can be blocked by the inner wall of the recesses of the light-blocking layer (8). A vehicle comprising the lighting arrangement (2) is also provided.

The present application relates to the technical field of optical imaging, and discloses a light source apparatus and a vehicle lamp. The light source apparatus comprises a light-emitting module, a light modulator, a lens module, and a controller. A plurality of micro-mirrors comprised in the light modulator are rotatably arranged on an optical path in which a specified light beam is located. When the micro-mirrors are respectively located at a first rotation position and a second rotation position, the specified light beam forms a first reflected light beam and a second reflected light beam after being reflected by the micro-mirrors. The lens module is used for respectively imaging the first reflected light beam and the second reflected light beam to generate a first emergent light beam and a second emergent light beam, and angles of emergence of the first emergent light beam and the second emergent light beam respectively belong to a first angle interval and a second angle interval. Because the two emergent light beams exiting from the lens module correspond to different angles of emergence, the angle of emergence of the second emergent light beam can be expanded on the basis of the first emergent light beam, so as to expand the illumination angle of the vehicle lamp provided with the light source apparatus.

An illumination device disclosed in an embodiment of the invention includes a substrate, a plurality of light emitting elements disposed on the substrate, a resin layer disposed on the plurality of light emitting elements, a first phosphor layer disposed on an upper surface of the resin layer, and a plurality of second phosphor layers disposed on side surfaces of the resin layer, and a first light blocking layer disposed between the first phosphor layer and the second phosphor layer. The first phosphor layer and the second phosphor layer may have different colors.

The utility model relates to the technical field of lighting lamps, and discloses a polygonal lamp which comprises a bottom shell of a polygonal structure, the top face of the bottom shell is of an open structure, a light source plate, reflection paper, a light guide plate and a diffusion plate are sequentially arranged in the bottom shell from bottom to top, and a plurality of lamp beads are arranged on the light source plate. The reflecting paper is provided with receding openings in one-to-one correspondence with the lamp beads, the light guide plate is provided with receding grooves in one-to-one correspondence with the lamp beads, each lamp bead penetrates through the corresponding receding opening and then is inserted into the corresponding receding groove, black and white glue is arranged in each receding groove, and the white face of the black and white glue adheres to the groove side wall of the corresponding receding groove. The light guide plate is provided with lattice points, the lattice points, close to the lamp beads, on the light guide plate are subjected to clearance treatment, and the lattice points on the edge of the light guide plate are subjected to reinforcement treatment; the utility model has the advantages that the integral aesthetic property after splicing is improved, the cost is reduced, and the product competitiveness is higher.

Liquid crystal (LC) beam control devices utilize dispersion-shaping (DS) half-wave plates (HWPs) with specific physical properties to allow broadened beams to maintain significantly better color cohesion. This paper describes the advantages of using HWPs with appropriate thickness and birefringence, which makes them inefficient in the blue wavelength spectrum, thus reducing blue photon loss at the center of the broadened beam. This paper also describes combinations of vertically aligned LC cells and DS HWP structures for reducing color separation, accelerating relaxation time, and reducing ground-state scattering.

The application provides a high-power matrix lamp structure capable of preventing light from mixing, a preparation method of the high-power matrix lamp structure, and a matrix headlamp. The high-power matrix lamp structure capable of preventing light from mixing comprises a substrate, a light-shielding grid, and a plurality of micro-pitch matrix-arranged LED chips. The light-shielding grid is carried on the substrate to form a plurality of light-emitting areas. The plurality of LED chips are one-to-one correspondingly accommodated in the plurality of light-emitting areas, each LED chip is electrically connected with the substrate, the light-shielding grid is used for shielding light emitted from the side of each LED chip, and a gap between the peripheral wall of each LED chip and the light-shielding grid is filled with stray light elimination glue. The high-power matrix lamp structure capable of preventing light from mixing can further improve the light-mixing prevention effect.

A lighting device (ED) is fitted to a vehicle including a license plate (LP), and comprises: - a source (SP) generating photons having a first wavelength corresponding to a first color and intended to provide a brake light function at a first location, - a selection device (SD) designed to direct at least some of the generated photons to a second location, and - a converter (CC) installed at this second location and converting the photons arriving at the second location into photons having a second wavelength corresponding to a second color and intended to provide a license plate (LP) illumination function. Figure 2

The present invention relates to a lighting module (2) for a motor vehicle, comprising: a first lighting submodule (5) including a light source (6.3) capable of forming a first light beam; a second lighting submodule (10) capable of forming a second light beam; a second projection lens (12) for projecting the second light beam and adjacent to the first projection lens (8); and an optical device (18) configured to redirect light rays from the light source (6.3) directly from the first lighting submodule (5) and passing in front of the reflective surface (6.2) of the first lighting submodule (5) to the second projection lens (12) so that the second projection lens (12) appears to be illuminated even when the second lighting submodule (10) is turned off.

The present invention provides a lighting fixture that can suppress the reflection of light emitted from a light source from appearing in the image captured by the photographic device, while also enabling miniaturization of the viewing window of the container. [Solution] The casing body 21 of the lighting fixture is provided with a single opening 25a that forms a light transmission area from the light source unit 3 and is within the field of view of the camera unit 4, and is also provided with a light-shielding means SD that covers the field of view of the camera unit 4. The light-shielding means SD comprises an inner louver 8 and an outer louver unit 9. The inner louver 8 is disposed in the space between the camera unit 4 and the transparent glass 26, and suppresses light irradiated from the light source unit 3 from being reflected by the transparent glass 26 and reaching within the field of view. The outer louver unit 9 is disposed in the space between the opening 25a and the tank-side glass 63, and suppresses light irradiated from the light source unit 3 from being reflected by the tank-side glass 63 and reaching within the field of view.

A lighting device according to an embodiment may comprise: a substrate on which a light source is disposed; a reflective unit disposed on the substrate and including a hole through which the light source extends; a partition wall disposed on the reflective unit; a pattern mask disposed on the partition wall; and a diffuser unit disposed on the pattern mask, wherein the light source is disposed in the partition wall, and the pattern mask has a pattern formed by a plurality of through-holes.

The invention relates to the technical field of optical fiber illumination, and discloses a flexible optical fiber light guide column illumination system, which comprises an optical fiber bundle, a control box and a light source emission assembly, and is characterized in that an optical splitter, a reflector and a lens are mounted in the control box; the light source emitting assembly comprises a shell, a fan and a laser emitter, the laser emitter is installed in the shell, the emitting end of the laser emitter extends out of the shell, and the fan is installed on the shell and conducts heat dissipation on the laser emitter in the shell; an entrance port is formed in the bottom surface of the control box, and exit ports are formed in the surfaces of the two corresponding sides of the control box; the laser beam emitted by the laser is divided into two groups of branch light beams by the optical splitter, the two groups of branch light beams can be respectively emitted into the end parts of the two groups of adjacent optical fiber bundles through the reflecting mirror, and the end parts of the optical fiber bundles can be prevented from being melted by heat generated by the laser in the use process through the arrangement.

An electronic device is provided. The electronic device includes a substrate and a light-shielding layer. The light-shielding layer is disposed on the substrate. The light-shielding layer has an aperture region. The light-shielding layer has a plurality of openings in the aperture region and at least two of the plurality of openings have different areas. The plurality of openings have an aperture ratio in the aperture region, and the aperture ratio is greater than 0% and less than or equal to 20%. Moreover, the aperture ratio is as shown in the following formula: the aperture ratio (%)=a total area of the plurality of openings / (the total area of the plurality of openings+a total area of the light-shielding layer)×100%.

This invention discloses a structure and control method for a reflective vehicle exterior light show. The structure includes a translucent lampshade, a decorative frame, a light source, a reflector, and an opaque lamp housing. The translucent lampshade and the opaque lamp housing are connected. The decorative frame is housed within the cavity formed by the translucent lampshade and the opaque lamp housing, with the outer side of the decorative frame facing the translucent lampshade and the inner side facing the opaque lamp housing. The light source is positioned between the decorative frame and the opaque lamp housing, and the reflector is positioned between the light source and the decorative frame. A decorative grille is provided on the decorative frame. Light emitted from the light source is reflected by the reflector and then passes through the gaps in the grille and the translucent lampshade, projecting onto a target location on the vehicle surface to create a decorative pattern. This invention can project decorative patterns onto the vehicle body, achieving a novel exterior light show effect.

The present application relates to the field of eutrophication lake water ecological restoration, and discloses a device and system for improving underwater light conditions of a lake. Natural light on the water surface is introduced into the underwater area near the device through refraction and reflection by using a light path system, effectively improving the underwater light intensity. A wave dissipation system is arranged below the light path system to prevent disturbance of the water body and sediments by small waves, to a certain extent, reducing the influence of sediments and resuspension on water transparency, and further improving the underwater light conditions. The light path system, the wave dissipation system and the underwater fixing system are sequentially fixed and connected from top to bottom, and the height of the light path system and the wave dissipation system is adjusted through the underwater fixing system with the rise and fall of the water surface, improving the applicability of the device. The device has the characteristics of simple structure, convenient operation, good performance, easy installation and recycling, etc. It can effectively reduce the adverse effects of insufficient underwater light of the lake and wave disturbance on the growth of submerged plants.

The utility model discloses an adjustable light-emitting diode (LED) fish gathering lamp with a wide-angle lighting and forced air cooling structure, which comprises a lamp body shell, a lamp arranged in the lamp body shell, a heat dissipation fan, a wide-angle lens arranged at the bottom of the lamp body shell and used for increasing the lighting range, and a light diffusion plate arranged at the bottom of the lamp body shell. A heat dissipation air channel used for enhancing the heat dissipation effect is arranged in the lamp body shell, an adjustable installation part is arranged on one side of the lamp body shell, the illumination intensity and the illumination range are optimized, 165-degree wide-angle illumination is adopted to cover a fishing boat operation area, and the illumination uniformity is greatly improved. And a heat dissipation air channel is optimized, and forced air cooling is adopted, so that the junction temperature of the LED is greatly reduced, and light attenuation is delayed. The fishing boat has the functions of being adjustable in installation and convenient to adjust, adjustment at any time in daily use is facilitated, and various installation modes of the installation part are suitable for various fishing boat scenes.

The invention provides an LED lamp strip power-on test device, and particularly relates to the technical field of LED lamp strip testing, which comprises a test cabinet main body, a test board arranged on the test cabinet main body, a driving cylinder mounted on a portal frame, a shielding plate connected with a piston rod of the driving cylinder and used for shielding a lamp strip to be tested, and a test feedback mechanism, according to the LED lamp strip power-on testing device, through light gathering of the light gathering cylinder, steering of the reflecting lens and diffusion processing of the imaging plate, hard light of the lamp beads is converted into soft light spots on the imaging plate, testing personnel can complete detection without directly looking at the lamp beads, and the testing efficiency is improved. Eye fatigue and damage caused by long-term operation are fundamentally avoided, operation safety is remarkably improved, meanwhile, light spots on the imaging plate are independent and free of overlapping, a tester can visually distinguish whether spots exist or not, misjudgment caused by crosstalk of light rays of multiple lamp beads in traditional detection is effectively avoided, and detection accuracy is improved.

Task: To provide a display device that improves the degree of freedom in the arrangement positions of design sections and the designability. Solution: A display device 1 comprises a printed circuit board 20, a housing 10 and a light-shielding plate 105. In a space enclosed by the printed circuit board 20, the light-shielding plate 105, and a circumferential wall section 13 of the housing 10, a partition is formed that divides the space into a first region S1 and a second region S2. Viewed from the front, the first region S1 does not include a position that forms the center of the display device 1, while the second region S2 includes the position that forms the center. If a first electronic component 31 is arranged in the first region S1, a second electronic component 32 is arranged in the second region at a location on the printed circuit board 20 that avoids the position that forms the center. On the light-shielding plate 105, a first design section 106a and a second design section 106b, which are translucent, are formed to correspond to the arrangement positions of the first electronic component 31 and the second electronic component 32.

The utility model relates to the technical field of optical detection, in particular to an AOI detection light source and a detection system. The detection light source comprises a first light source, a second light source and a third light source; part of light emitted by the first light source is condensed by the cylindrical mirror and obliquely reflected by the semi-reflecting and semi-transmitting mirror to form a first light beam; the two groups of second light sources are symmetrically arranged, and light emitted by each group of second light sources is obliquely reflected by the first light guide surface and the second light guide surface in sequence and then converged to form a second light beam; the two third light sources are symmetrically arranged, light emitted by each third light source is obliquely reflected by the third light guide surface and then converged to form a third light beam, and the third light beam is located on the side, away from the first light beam, of the second light beam; the total angle of the first light beam, the second light beam and the third light beam is larger than or equal to 160 degrees. According to the AOI detection light source disclosed by the utility model, due to the unique optical design, light rays up to 160 degrees can be incident to a defect area in a convergent form, so that a camera can conveniently capture defect characteristic information.

Turning lamp (18) for a vehicle, wherein the turning lamp (18) comprises: a light-guiding lens (30), a mirror surface (36) arranged behind the light-guiding lens (30) when viewed from a viewpoint side from which the turning lamp (18) is viewed, and a light source (33) which causes light to enter the light-guiding lens (30), wherein: the turning lamp (18) further has a recess (34) which, when viewed from the viewing point side, is formed behind the light-guiding lens (30) in such a way that it extends in a direction of extension of the light-guiding lens (30); the light-guiding lens (30) is arranged in the recess (34); the recess (34) has the mirror surface (36); the light-guiding lens (30) includes a lens section (40) which is designed on a front surface of the light-guiding lens (30) when viewed from the viewpoint side such that it extends in a light-guiding direction of the light-guiding lens (30); the mirror surface (36) includes a recessed surface (38) which is formed behind the lens section (40) when viewed from the viewpoint side along the lens section (40); the recess surface (38) is formed in a central area in a short direction of the recess (34); and the recess surface (38) is designed such that it has a width in a short direction thereof, wherein the width is greater than a width in a short direction of the lens section (40) when viewed from the viewpoint side.

The utility model provides an LED filament lamp and a display device, the LED filament lamp comprises a sapphire substrate, a plurality of LED chips and a transparent protective cover, the plurality of LED chips are uniformly distributed on the sapphire substrate in a matrix form, the connection directions of the adjacent LED chips are opposite, the sapphire substrate and the plurality of LED chips are combined to form an LED filament, and the transparent protective cover is arranged on the sapphire substrate. A plurality of side walls of the sapphire substrate are covered with silica gel layers, and the silica gel layers wrap the LED chips; the interior of the transparent protection cover is hollow to form a containing space, the LED lamp filament is located in the containing space, a plurality of heat dissipation holes are formed in the transparent protection cover, and the heat dissipation holes communicate with the containing space. And meanwhile, the problem that when the LED filament lamp is used for a long time in a severe environment, the light attenuation of the LED filament lamp is large is solved.

The utility model discloses a dot-matrix LED lamp box in the field of lamp boxes, which comprises a hollow frame and a bottom plate, the bottom plate is fixedly mounted at the bottom of the frame, a circuit board and a reflecting plate which are arranged on the inner side of the frame are respectively mounted on the bottom plate, a plurality of LED lamps distributed in a matrix structure are connected onto the circuit board, the reflecting plate is positioned above the circuit board, and the LED lamps are connected with the reflecting plate. The reflecting plate is provided with a plurality of conical hole sites used for containing and upwards ejecting single LED lamps, the ends, with small openings, of the conical hole sites face the circuit board, and the number and the positions of the conical hole sites correspond to those of the LED lamps in a one-to-one mode; a limiting groove is formed in the inner wall of the end, away from the bottom plate, of the frame, a light guide plate which covers all the LED lamps and is used for evenly dispersing light is installed in the limiting groove, and the horizontal plane of the light guide plate is flush with the outer edge of the frame. A picture layer flatly laid on the light guide plate is installed on the frame, and sealing rubber strips used for being clamped into the clamping grooves to be fixed are arranged on the periphery of the picture layer.

The utility model relates to the technical field of visual inspection, and discloses an appearance inspection device which comprises a first plane coaxial light source, the first plane coaxial light source comprises a light guide plate and a lamp panel arranged on the periphery of the light guide plate. A light reflecting layer is arranged on the back side surface of the light guide plate, a stripe pattern is printed on the front side surface opposite to the back side surface, and the stripe pattern comprises a plurality of lightproof strip-shaped lines which are arranged in parallel at intervals; the light reflecting layer is composed of a plurality of arc-shaped protruding points, and the arc-shaped protruding points are used for reflecting light emitted into the light guide plate from the lamp panel and enabling the light to be emitted out from the front face and the side face of the light guide plate. According to the appearance detection device disclosed by the utility model, stripe light spots can be formed on the surface of the workpiece without arranging a stripe grating plate.