471results about "Lighting device details" patented technology

A keyboard membrane, which is a thin sheet molded object thermoformed by a thermoplastic wear-resistant molding membrane, comprising a plurality of concave-convex parts, the concave-convex part comprises a plurality of upwardly protruding pressing parts, each of the pressing parts has a top wall and a peripheral wall extending downward from a periphery of the top wall; the keyboard membrane is disposed on a key module with keys; each of the pressing parts is connected with one of the keys of the key module; a periphery of the keyboard membrane has a peripheral edge extending outward from the pressing part, and the peripheral edge wraps the key module to form a waterproof and dustproof keyboard.

The endoscope light source lighting device comprises a light source assembly, a light source collimation module, a light combination assembly and an optical fiber coupling module, after light beams emitted by the light source assembly are collimated by the light source collimation module, the light beams are combined through the light combination assembly, and finally the light beams are coupled with optical fibers through the optical fiber coupling module. And one or more paths of light beams of the light source assembly are controlled to be coupled and output, illumination output in multiple illumination modes is achieved, and the multiple illumination modes comprise a white light illumination mode, a multi-narrow-band light illumination mode, a near-infrared light illumination mode and a composite light illumination mode. According to the multi-channel lighting mode, narrow-band or broadband spectrum composite lighting is achieved, the problems that in the prior art, the light emitting mode is limited, and high-color-rendering-index lighting light with continuous spectrums cannot be output in a white light lighting mode are solved, and the problems that original narrow-band lighting is low in efficiency, inflexible and poor in lighting effect are solved. And the requirement of flexible switching between narrow-band illumination and wide-band illumination cannot be met, and the illumination requirement of a detected part in clinical diagnosis and treatment is met.

A display module, a display device, and a backlight module avoid bad image quality. The display module includes: a backlight module and a display panel, and the backlight module includes: a back plate, a first light source and a middle frame, wherein the back plate includes a bottom plate; the first light source is on the bottom plate; the middle frame is between the bottom plate and the display panel, a concave part is on a surface of the middle frame adjacent to the display panel, and a second light source is in the concave part, such that bad image quality of the edge shadow of the display module is effectively avoided by arranging the second light source in the concave part of the surface of the middle frame adjacent to the display panel.

The utility model provides an optical assembly, a vehicle-mounted lamp and a vehicle, and relates to the technical field of automobile lighting. The optical assembly comprises an array light source and a light emitting assembly arranged on the light emitting side of the array light source. The light emitting assembly comprises a lens and a shading piece, and the shading piece is attached to the side, away from the array light source, of the lens. The shading part comprises a plurality of light transmitting holes arranged in an array, the array light source comprises a plurality of light emitting units arranged in an array, and the light emitting units correspond to the light transmitting holes; light beams emitted by the array light source enter the lens and are emitted from the light transmitting hole of the shading piece. The light transmitting hole of the shading piece of the optical assembly can separate the light beams emitted by the light emitting units, light channeling of the light beams emitted by the adjacent array light sources is avoided, even if the distance between the adjacent light emitting units is small, the contrast ratio between the light emitting units cannot be affected, and therefore the pixel contrast ratio and the display resolution ratio of the vehicle-mounted lamp are improved, and the display effect is improved. And the display effect of the vehicle-mounted lamp is further improved.

A lighting device (1) is provided, comprising a light source (2) for generating illumination (7) and a hologram arrangement (4) that can be illuminated by the illumination (7). The hologram arrangement (4) is configured to separate the illumination (7) into a first component (7.1) for generating a holographic image (12) and a second component (7.2) for generating a luminous function (13).

The utility model provides a color wheel heat dissipation device and a projection light source, a color wheel is provided with a peripheral surface and a light inlet surface and a light outlet surface which are oppositely arranged, the peripheral surface is connected with the light inlet surface and the light outlet surface to jointly define the color wheel, and the color wheel heat dissipation device comprises a light machine shell, a shell extension boss, a heat conduction metal ring and an annular cooler; the color wheel is rotationally connected with the light machine shell and is positioned in the heat-conducting metal ring; the shell extension boss is arranged on the inner wall of the ray machine shell; the heat-conducting metal ring and the annular cooler surround the peripheral surface; the annular cooler is located between the heat conduction metal ring and the shell extending boss. The projection light source comprises a color wheel and a color wheel heat dissipation device arranged around the color wheel. According to the color wheel, the heat conduction metal ring is located between the annular cooler and the color wheel, the heat conduction metal ring is in a relatively low-temperature state, high-temperature turbulent flow formed by rotation of the color wheel can still have the large flow speed near the heat conduction metal ring, distribution is uniform, the turbulent flow can fully exchange heat with the heat conduction metal ring, and the heat dissipation effect of the color wheel is improved.

Provided is a vehicular lighting fixture capable of suppressing an influence of aberration and heat in a projection lens and projecting a highly accurate light pattern. The vehicular lighting fixture comprises a projection lens (2) for projecting a required light distribution pattern by projecting light emitted from a light source (3). The projection lens (2) comprises, in order from the side opposite to the light source (3), a first lens (21) and a second lens (22) of resin, and a third lens (23) and a fourth lens (24) of glass. A diaphragm (25) for limiting the light diameter of the projected light is disposed between the second lens (resin lens) (22) and the third lens (glass lens). By narrowing down the diaphragm (25), the aberration of the projection lens (2) is reduced. The heat of the light source (3) is suppressed by the diaphragm (25) from being transferred from the third lens (23) side toward the second lens (22) side.

The invention provides electronic equipment, and relates to the technical field of lighting devices. In the electronic equipment provided by the embodiment of the specification, the light-in surface and the light-out surface of the light guide piece are arranged to be non-parallel surfaces. The light-in surface is arranged at one end of the light-out surface close to the center of the shell and faces the center of the shell. Therefore, the light-in surface is closer to the center of the shell than the light-out surface. The light source is opposite to the light incident surface. Thus, the light source may be closer to the center of the housing.

A side projector light has a bottom lid, an upper lid, and a side hollowed-out plate. The bottom lid has multiple first holes and multiple second holes, and the first holes and the second holes are formed on the bottom lid. The upper lid has multiple third holes and multiple first columns, and the third holes and the first columns are formed on the upper lid. The side hollowed-out plate is mounted between the upper lid and the bottom lid and has multiple second columns. The second columns extend toward the upper lid and the bottom lid. The first columns are connected to the first holes, so that the upper lid is capable of connecting the bottom lid. The second columns connect the second holes and the third holes, so that the side hollowed-out plate is capable of connecting the upper lid and the bottom lid.

A shading and illumination system includes a shading device for shading viewing openings, an illumination device for illuminating a room, an external sensor for detecting an external parameter acting on the room, an internal sensor for detecting a 3D image of the room, a position of a person present in the room in the 3D image, and a viewing direction of the person, and a control unit for actuating the shading device and the illumination device. The shading device and the illumination device are actuatable depending on the values measured by the external sensor and by the internal sensor. A light parameter acting on the person is determinable depending on the detected viewing direction, on the detected position, on the 3D image of the room, and on the external parameter. The shading device and / or the illumination device are / is actuatable depending on the light parameter acting on the person.

A light projector including a light source coupled to a base and a lens assembly. A sheath can be overmolded over the base and can form a locator sleeve. An aperture can be overmolded over the light source. The locator sleeve can fix the spatial relationship between the light source and the lens assembly. The lens assembly can include a spacer to fix the spatial relationship between two or more lenses in the lens assembly. A thermal management system can be coupled to the sheath to help reduce the temperature of the light projector.

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.

To provide a leveling actuator having a simple structure and capable of saving a space in a lamp body.SOLUTION: This leveling actuator comprises: a leveling shaft 14 driven so as to slide in an axial direction in a state where a tip side is connected to a lighting fixture unit via a pivot; a case 11 that stores the leveling shaft 14 inside from the opening of a backside and protrudes the tip side of the leveling shaft 14 forward from a hole 21 of a front side; a cover 12 that covers the opening of the case 11 and has a hole 12e provided on the backside; and an aiming nut 43 provided on the backside of the cover 12 to face the hole 12e. An aiming bolt 44 inserted into the cover 12 form the hole 12e in the state of being engaged with the aiming nut 43 is positioned on the same axis as that of the leveling shaft 14.SELECTED DRAWING: Figure 7

A lighting assembly (1) for the interior of a vehicle is provided. The lighting assembly comprises a number of light sources (2) arranged on a support element (3) for illuminating the rear side of a luminous element (7) so that a luminous structure can be created on a front side of the luminous element (7) opposite the rear side. The lighting assembly also comprises a mirror arrangement (5, 6) for forming a light channel so that the light generated by the light sources (2) can be guided through the light channel to the luminous element (7). The lighting assembly (1) further comprises a reflector insert (4) for dividing the light channel so that individual areas of the luminous element (7) can be specifically illuminated. A vehicle is also provided. The vehicle has at least one interior with at least one lighting assembly (1) for the lighting design of the interior of the vehicle.

The utility model discloses a light leakage prevention backlight source module which comprises a bottom plate and a frame, a light emitting assembly is installed on the inner side of the frame, the light emitting assembly comprises a circuit board and an LED lamp, a light leakage prevention assembly is installed on the inner side of the frame and comprises a light guide plate and a reflective mirror, an air inlet assembly is installed on one side of the frame, and an air outlet assembly is installed on the other side of the frame. According to the light leakage prevention backlight source module, the periphery of the LED lamp and the periphery of the frame can be sealed through the reflective mirror, light leakage is avoided, meanwhile, light is reflected to the light guide plate, the light transmission rate is increased, the light leakage prevention effect is good, and the light leakage prevention backlight source module is suitable for being used for a large-scale production line. The brightness consistency of the backlight source is guaranteed through the reflective mirror and the light guide plate, the illumination efficiency is further improved, the illumination area can be adjusted according to the illumination range, the adaptability of the backlight source is improved, and the backlight source is suitable for illumination of advertising boards, product display and the like.

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 utility model provides a light-emitting structure and an electronic device using the same. The light-emitting structure comprises a circuit layer, at least one light-emitting piece, a light guide plate and a shell. The circuit layer is provided with a first surface, and the first surface is coated with a reflective material or is provided with a reflective sheet. The light-emitting part is arranged on the first surface and used for emitting light. The light guide plate is arranged on the side, close to the first surface, of the circuit layer, the light guide plate is provided with at least one light-in part and a light-out part, the light-in part and the light-emitting part are oppositely arranged, and the light enters the light guide plate through the light-in part and exits from the light-out part. The shell covers the circuit layer and the light guide plate, the bottom of the shell is provided with an opening or the periphery of the shell is provided with a light-transmitting material area, and the light leaves the light guide plate or enters the light-transmitting material area through the light-emitting part.

The ultrathin lamp box comprises a bottom shell, a light guide plate installed in the bottom shell, an LED lamp belt arranged on the peripheral wall of the light guide plate in a surrounding mode and a panel arranged on the bottom shell in a covering mode, the bottom shell comprises a bottom plate and a side plate extending upwards along the peripheral outer side wall of the bottom plate, and an installation groove is defined by the bottom plate and the side plate. The light guide plate is arranged in the installation groove, an open groove is formed between the light guide plate and the side plate, and the LED lamp strip is arranged in the open groove. The LED lamp box is simple in structure, even in illumination and suitable for lamp boxes of different shapes, and production cost is reduced.

Title: Lighting and / or signaling device for a motor vehicle The invention relates to a device (1) for lighting and / or signaling a vehicle, in particular a motor vehicle, this device comprising: At least one light source (10) arranged to emit visible light, At least one first screen (20) and one second screen (30), the first screen (20) being arranged opposite the second screen (30) between the light source and said second screen (30), the first screen (20) and the second screen (30) each comprising: A plurality of illuminating zones (21; 31) arranged for the passage of light coming from the light source, and At least one masking zone (22;32) adjacent at least partially to an illuminating zone, said masking zone being arranged to allow less light to pass through than the illuminating zones or to prevent the passage of light emitted by the light source, the illuminating zones (21) of the first screen (20) and the illuminating zones (31) of the second screen (30) being arranged relative to each other so as to be in optical interaction to generate a dynamic image. Abstract figure: Fig. 1;

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 invention relates to a lighting element (1), comprising: a light source arrangement (2) with at least one light source (2a); a translucent diaphragm (5) which has a visible surface (S) to be backlit and which faces the viewer (B), and a rear surface (R) facing away from the viewer (B); a light guide body (4) which is arranged via a first air gap (7) adjacent to the rear surface (R) of the diaphragm (5) with a light output surface (4b) of the light guide body (4), wherein the light guide body (4) has a light input surface (4a) arranged laterally to the light output surface (4b) and a reflection surface (4c) opposite the light output surface (4b); a light guide (3) having a light entry surface (3a) facing the light source arrangement (2) and a light exit surface (3b) facing the light coupling surface (4a) of the light guide body (4) and spaced apart by a second air gap (8),to couple light (L) of the light source arrangement (2) into the light guide body (4) with at least one internal reflection in the light guide (3), wherein the light guide (3) and the light guide body (4) are designed such that first light coupled into the light guide body (4) is directed along a first optical beam path (I) in the direction of the reflection surface (4c), such as reflected and / or refracted, in order to be reflected by internal reflection at the reflection surface (4c) in the direction of the light output surface (4b), and second light coupled into the light guide body (4) is directed along a second optical beam path (II) in the direction of the light output surface (4b), such as reflected and / or refracted.

To provide a light emitting module capable of emitting white light and outputting biometric light receiving information used to acquire biometric information.SOLUTION: A light emitting module has a substrate, at least one light source arranged on the substrate, at least one light receiving element arranged on the substrate, a lens arranged opposite the light source and the light receiving element, at least one light source is capable of emitting white light consisting of a mixture of red light, green light, and blue light, and at least one light receiving element outputs biometric light receiving information obtained by receiving at least one of the reflected light and the scattered light by the living body of the light emitted from the at least one light source.SELECTED DRAWING: Figure 1

The invention relates to a micro-lens array (MLA) projection module (105) of a motor vehicle lighting device (24), comprising a variety of individual microlens projectors (202); at least one light source (204) for emitting light, a plurality of aperture elements (206) assigned to the individual microlens projectors (202), each with an aperture opening (208) that allows at least part of the light emitted by the light source (204) to pass through, wherein the aperture openings (208) can have different shapes, and a plurality of projection lenses (210) for imaging the light passing through the aperture openings (208) as a partial light distribution in a partial area in front of a motor vehicle (10), wherein the sum of all partial light distributions results in a resulting light distribution (50) of the MLA projection module (105), wherein some of the microlens projectors (202) of the MLA projection module (105) generate partial light distributions in different sub-areas in front of the motor vehicle (10). It is proposed that the microlens projectors (202) be divided into at least two groups (A, B, C) and arranged in geometric patterns in the MLA projection module (105) such that an apparent animation of the active microlens projectors (202) is achieved when the viewing angle varies.

The utility model provides an infrared laser and visible light composite light source with synchronous divergence angles, which comprises a white light LED (light-emitting diode), an infrared laser source, a dichroic wave plate, converging lenses and a light transmitting bundle, a beam expanding lens, a second collimating lens and a compensating lens are sequentially arranged on a light path of the infrared laser source, the dichroic wave plate is obliquely arranged, one face of the dichroic wave plate faces the first collimating lens, the other face of the dichroic wave plate faces the compensating lens and the converging lens, and light emitted by the white light LED and the infrared laser source is combined through the dichroic wave plate and then is transmitted to the beam expanding lens. The light is focused to the end face of the light-transmitting bundle through the converging lens; the compensation lens is a meniscus lens. By adopting the technical scheme of the utility model, the infrared laser divergence angle and the visible light divergence angle are synchronously adjusted to be consistent, the risk of melting of the plugging light guide bundle caused by overlong infrared focal length is avoided, and the system safety is improved.

The utility model relates to light-emitting equipment. The light-emitting equipment comprises a shell and a light-emitting assembly. The shell comprises a mounting cavity and a first opening communicated with the mounting cavity. The light-emitting assembly comprises a body, a light-emitting part and a light-transmitting part, a penetrating light-emitting channel is formed in the body, the inner wall of the light-emitting channel extends in a zigzag mode, the light-transmitting part is connected to an opening in one end of the light-emitting channel in a matched mode, and the light-emitting part is connected to an opening in the other end of the light-emitting channel in a matched mode and used for emitting light of different light waves into the light-emitting channel. The light-emitting assembly is connected in the installation cavity in a matched mode, and the end face, connected with the light-transmitting piece, of the light-emitting assembly coincides with the plane of the first opening. According to the light-emitting equipment provided by the embodiment of the invention, the propagation direction of the light rays emitted by the light-emitting part in the light-emitting channel can be changed through guiding of the inner wall of the light-emitting channel, the light rays emitted by the light-emitting part can be propagated towards the light-transmitting part as much as possible, and a better uniform light-transmitting effect can be achieved.

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.