84results about How to "Evenly illuminated" patented technology

The invention relates to a headlight projection module (10) for a vehicle, which is used for generating preset light distribution. The headlight projection module (10) has a light source (11) for emitting light, a primary lens (12) for concentrating a part of the emitted light, and a secondary lens (14) for projecting a part of the concentrated light in a light emitting direction (3) of the projection module. In order to enable the headlight projection module (10) to realize maximally effective structure and to illuminate a non-circular secondary optical unit (14) as uniform as possible with the whole surface, it is suggested that an optically active micro-structure (24) that refracts light be arranged in the beam path of the concentrated light in a virtual object position of the secondary optical unit (14). The micro-structure (24) has dimensions of the function-determining structural elements (26, 27) in the micrometer range, especially a height difference of the single structural elements (26, 27).

A lightweight, modular expandable multiple par lamp fixture configurable to form various sizes and intensities of high output area lighting or projected soft light. A high efficiency par lamp includes a high output globe and lightweight reflector, optional collar, and lens. Individual modular fixtures comprising high efficiency par lamps may be stacked to create larger units. The par lamps may be arranged in pods which can be assembled into larger units. A diffusion frame and fabric cover can be attached to the fixture in front of the par lamps to create a soft, deeply projected light. The diffusion frame may have an internal semi-translucent baffle to spread light through diffusive sidewalls.

The invention belongs to the field of microalgae cultivation, and particularly relates to a microalgae half-dry solid state adherent cultivation device for alternate illumination of bright and dark light. The microalgae half-dry solid state adherent cultivation device comprises a bracket system, an adherent cultivation unit, a speed regulating motor, a liquid supplement pipe, a liquid collection tank and a peripheral protection cover, wherein the adherent cultivation unit is arranged on the bracket system and is connected with the speed regulating motor; the liquid supplement pipe is arranged above the adherent cultivation unit, and the liquid collection tank is arranged below the adherent cultivation unit; the liquid collection tank is internally provided with a liquid circulating pump, a liquid supplement device and a carbon supplement device; the liquid circulating pump is connected with the liquid supplement pipe through a pipeline; and the peripheral protection cover is arranged on the periphery of the bracket system and the adherent cultivation unit; and the top surface of the protection cover is made of a light-passing material. The device utilizes the principle of bright and dark flashing light to dilute the bright light and improve the utilization efficiency of luminous energy, thereby improving the yield of microalgae biomass.

A backlight system for illuminating a display device (3) comprises a luminous panel (1) having a light emission window (2) and at least one edge face (4) coupling light into the luminous panel (1). The backlight system also includes a light mixing cavity (5) equipped with a light source (6). The light mixing cavity (5) is connected to the edge surface (4). According to the invention, the light source (6) comprises a plurality of clusters of light emitting diodes (LEDs) having different light emission wavelengths, the clusters being arranged at a distance P between each other. The ratio of the height H of the optical mixing cavity (5) to the cluster pitch P satisfies the relationship 0.1≤H/P≤10, preferably 0.2≤H/P≤2. Each cluster preferably includes one blue, one green and one red LED or one blue, two green and one red LED. Preferably each LED has a luminous flux of at least 5 lumens. The backlight system of the present invention has a very uniform light distribution, so that the display device is evenly illuminated.

The invention relates to an oil and smoke exhauster which can attract the pollutants like the exhaust gas when in the cooling process and exhausts the pollutants like the exhaust gas into the atmosphere. A support component is arranged at the central opening of a thin case which has a downward rectangular opening, and the support component spans two opposite edges of the opening and is suspended from a top plate of the case; also the invention has a central shield that can be assembled or disassembled freely; furthermore, a clearance between the central shield and the edge of the downward opening of the casing is guaranteed, and a large perforated plate and a small perforated plate are formed between the central shield and the another opposite edges of the opening. In addition, the support component is provided with an illuminating device and the central shield is provided with an oil-collecting device which can respectively collect the dripped oil on the perforated plate, furthermore the invention is provided with an illumination board to protector the illuminating device.

The invention relates to container handling device (1), in particular a labeling device for bottles, containers, et cetera, which comprises at least one centering device (2), which has a standing surface (3) and a bottle gripper (4), wherein at least one detection and control system (9) having at least one optical system (10) is provided. The bottle gripper (4) has inspection openings (19) both on the head side and on the foot side, wherein at least one light source (14, 17; 14, 33) is provided, and the bottle gripper (4) is at least partially light-conducting or comprises or contains light-conducting elements (6; 30) so that a surface, in particular a cover side (24), can be inspected can be inspected through the optical system and through the bottle gripper (4) and by means of the light-conducting design or light-conducting elements (6; 30) an illuminated inner area (23) can be inspected.

The invention relates to an LED (Light Emitting Diode) lamp, which comprises a lamp cap body, a bulb shell, an LED light source and a light distribution member, wherein the LED light source is arranged on the top surface of the lamp cap body, and the bulb shell is arranged at the top end of the lamp cap body to accommodate the LED light source; the light distribution member is arranged above the LED light source, and comprises a light emitting part and a reflecting part, and the light emitting part is arranged on the reflecting part; the reflecting part is of an inverted frustoconical shell structure, and the outer side wall of the reflecting part is a reflecting surface; a through hole is formed in the middle of the reflecting part, and the light emitting part is made of a transparent or translucent material and projects towards the direction away from the reflecting part; the light emitting part is arranged opposite the through hole of the reflecting part, and the reflecting surface of the reflecting part is used for reflecting light emitted by the LED light source to the bottom of the bulb shell. The LED lamp has the advantages of simple structure and uniform light distribution.

The present invention discloses a real-time fiber winding defect visual inspection device based on double CDDs. The device comprises a visual detection unit which comprises a global CCD camera which has a fixed position and is used for collecting a whole fiber winding image and a local CCD camera which has an adjustable position and is used for collecting a fiber winding local image. Both the global CCD camera and the local CCD camera are connected to an industrial computer. The industrial computer is connected to the local CCD camera through an electrical transmission unit and is connected to a display screen. According to the device, the double-CCD camera automatic online detection technology is used, the working position of the local CCD camera is adjusted through tracking fiber winding wire diameter change by the global CCD camera, thus the local CCD camera carries out online monitoring on a fiber winding in real time, the improvement of the fiber winding quality and defect detection efficiency is facilitated, the production cost is reduced, at the same time, the improvement of the degree of automation of fiber winding defect detection is facilitated, in an online real-time detection process, the fiber winding defect image information is recorded, and the problem backtracking is helped.

A light-emitting diode (LED) lamp comprises a lamp cap body, a bulb casing, an LED light source, a light guide pillar and a lens. The bulb casing covers the top end of the lamp cap body, the LED light source is arranged on the top surface of the lamp cap body, the light guide pillar is arranged above the LED light source, and the lens is arranged above the light guide pillar and comprises a concave lens part and a side light outlet part. The concave lens part comprises an upper concave surface and a lower concave surface, the side light outlet part surrounds the concave lens part and is connected with the upper concave surface and the lower concave surface, the lower concave surface is arranged above the light guide pillar, the light guide pillar is used for enabling light emitted by the LED light source to be guided to the lower concave surface of the concave lens part, and the upper concave surface and the side light outlet part are used for scattering light which enters the lower concave surface. The LED lamp can achieve large-angle light emitting and has the advantages of being simple in structure and uniform in light distribution.

The invention relates to a planar light distribution module for a display, comprising a light guide plate through which light coupled in via at least one side face can propagate by means of total reflection, and at least one out-coupling device (2), which is applied on one or both of the main faces of the light guide plate (1), is in optical contact therewith and has a multiplicity of holographic optical elements (13) formed therein, which are configured in such a way that they can couple light out of the light guide plate (1), the light distribution module being characterized in that the holographic optical elements (13), independently of one another, have an extent of at least 300 μm in at least one spatial axis extending parallel to the surface of the out-coupling device (2). The invention furthermore relates to an optical display, in particular an electronic display.

The present invention relates to an illumination device used for a motor vehicle and provided with a transparent dustproof cover, wherein the dustproof cover has a shape that is equipped to fit the arrow-shaped outermost shape in a part of a body component of a motor vehicle, at least two light source elements are arranged in the interior of the illumination device along a line which follows the arrow-shaped outermost shape, light are transmitted towards the dustproof cover preferably in a normal direction, in a light path between the light source components and the dustproof cover is orderly provided with two light diffusion glass, such that the glass enables the light transmitted from the light source components to deflect as follows: an angle include by the deflected light and a motor vehicle longitudinal axis is smaller than that included by un-deflected light and the motor vehicle longitudinal axis.

The invention discloses a light source brightness control system and a light source brightness control method. The light source brightness control system comprises a camera, a control device and at least one strip-shaped light source. The strip-shaped light source comprises a plurality of light source monomers which are arranged in a straight line and are used for emitting the light to a shootingtarget. The camera is used for carrying out shooting and imaging on the shooting target so as to form a light-emitting brightness image corresponding to the strip-shaped light source. The control device is used for sequentially controlling the strip-shaped light source to emit the light during the brightness adjustment of the light source, and carrying out image treatment on the light-emitting brightness image. In this way, the light-emitting brightness of each light source monomer of the corresponding strip-shaped light source is controlled according to the image treatment result, so that thestrip-shaped light source can uniformly illuminate the shooting target. According to the invention, the brightness of a shot image can be more uniform.

The invention belongs to the field of visual inspection technologies and relates to an irregular part detection and positioning method. The method includes the following steps that: step 1, the template image of a part is collected, a contour matching algorithm for the template image is established; step 2, a transfer device transfers a part to be tested to a position under a photographing device;step 3, a strip light source lamp is turned on so as to perform auxiliary illumination; step 4, the image is binarized; step 5, contour matching algorithm operation is performed on the image, so thatposition information can be obtained; step 6, the position information is transmitted to an external device, and numerical display algorithm operation is performed on the position information, so that a readable position numerical value and angle numerical value are obtained. Therefore, the influence of ambient light can be eliminated, at the same time, an entire workpiece can be uniformly illuminated, and therefore, high-contrast image information can be obtained, so that software analysis can be facilitated; and therefore, with the above equipment, steps and algorithms adopted, manufacturing use costs can be controlled, and the accuracy of detection and positioning can be ensured.

The invention discloses a special lens and a glare-free blackboard lamp lighting system, and relates to the technical field of classroom lighting devices. The special lens comprises a lens body, and a reflecting concave surface is arranged in the lens body; the outline of the outer edge of the reflecting concave surface is in a water drop shape. An arc part and a sharp part of the reflecting concave surface are respectively arranged at an upper end and a lower end of the reflecting concave surface. The glare-free blackboard lamp lighting system comprises a plurality of strip-shaped reflecting bowls which are positioned obliquely above a blackboard, one surface, close to the blackboard, of each strip-shaped reflecting bowl is provided with a plurality of the special-shaped lenses, and the glare-free blackboard lamp lighting system also comprises a PCB which is arranged close to the special-shaped lenses and is parallel to the blackboard, and a plurality of LED light sources which are in one-to-one correspondence with the reflecting concave surfaces of the special-shaped lenses are arranged on the PCB. The invention has the advantages of simple structure, no glare pollution and good illumination uniformity.

The invention belongs to the field of microalgae culture and specifically relates to a multilayer semi-dry adherent culture device provided with multilayer adherent culture units. The adherent culture units are arranged horizontally or arranged forming a certain inclination angle from the horizontal plane, and one end of each multilayer adherent culture unit is aligned and the multilayer adherent culture units are parallelly arranged on a bracket system. Lengths of the multilayer adherent culture units are progressively increased successively from top to bottom, and the multilayer adherent culture units are driven by a motor to rotate. During operation of the device, a microalgae seed solution is firstly sprayed through a microalgae inoculators onto each layer of the adherent culture unit successively; a medium drips onto culture surfaces of all the adherent culture units through a medium distributor, and the surplus liquid returns back to a medium collecting tank under the action of gravity so as to be repeatedly used; and when an algae mud scraper is used for harvesting algae mud, the blade sticks close to the surfaces of the adherent culture units, and algae mud is scrapped off into an algae mud collecting tank with rotating of the adherent culture units. According to the invention, the problem of uneven light distribution is solved, the device is convenient for inoculation and harvesting, and efficient utilization of luminous energy is realized.

A channel structure of a flat fluorescent lamp is disclosed. The channel structure of the flat fluorescent lamp is configured such that the lamp is suitable for being used as a backlight unit for flat displays, such as LCDs, or as a widerange light source to evenly illuminate wide flat surfaces, such as wide rectangular surfaces. In the channel structure of the flat fluorescent lamp, a sealed discharge space having a continuous serpentine shape and being partitioned into a plurality of communicating discharge channels by a plurality of partition walls is defined, with one or more electrodes provided in the discharge space. The discharge channels have different widths which are reduced in a direction away from a hot electrode.

The invention provides an improved bulb light and belongs to the technical field of lighting. The improved bulb light comprises a light base, a light cap arranged below the light base, a spherical lightshade, a light-emitting mechanism and a control panel, wherein the lampshade and the light base form a containing cavity in a defining mode; the light-emitting mechanism is arranged inside the containing cavity; the light-emitting mechanism comprises multiple horizontally arranged first light-emitting light sources and multiple vertically arranged second light-emitting light sources; the light-emitting light sources are sequentially connected in series to form a single loop; the control panel is detachably installed at the bottom of the light base and provided with a control circuit which is electrically connected with the light cap and the loop where the light-emitting light sources are located; the control circuit comprises a first signal input module, a second signal input module, a signal processing module, a signal output module, an anode voltage input end and a cathode voltage input end. The improved bulb light has the advantages of being reasonable in design and good in lighting effect.

The invention discloses a continuous uniform rotating illumination device for surface treatment of rubber rollers. The illumination device comprises a box shell, a light source, a rubber roller rotating bracket, an electric control device and a fan; a box door and the electric control device are arranged at the front side of the box shell, and the fan is arranged at an exhaust port at the rear side of the box shell; the light source is fixedly arranged at the inner middle part of the box shell, and the rubber roller rotating bracket capable of being freely pulled out or pushed is arranged above or/ and below the light source; and centers on which a plurality of rubber rollers can be arranged are arranged in pairs in the rubber roller rotating bracket, and the center at one end is in transmission connection with the output shaft of a motor through a transmission mechanism. The illumination device has the advantages of small volume, high efficiency, simplicity and convenience in operation and uniformity in illumination of the surfaces of the rubber rollers. After the illumination device works, operators can leave the site; and after the exhaust fan works for certain time and the ozone is basically exhausted, the operators enter to work. By the design, the operators can be fully protected from being injured by ultraviolet light and high-concentration ozone.

The invention discloses a contact image sensing module, which comprises a contact image sensing element, a lens group, a glass plate and a light-emitting diode (LED) light source. The glass plate has a wedge-shaped cross section and comprises an incident plane, a first emergent plane and a second emergent plane; the LED light source is arranged on one side of the incident plane of the glass plate; the lens group is positioned between the second emergent plane of the glass plate and the contact image sensing element; light rays emitted from the LED light source enter the glass plate from the incident plane of the glass plate; one part of light rays entering the glass plate from the incident plane are directly emitted from the first emergent plane of the glass plate so as to irradiate an object to be scanned; and the other part of light rays entering the glass plate from the incident plane are reflected through the second emergent plane and are emitted from the first emergent plane so as to irradiate the object to be scanned. The contact image sensing module is compact in structure and smaller in occupied space, and can uniformly irradiate the object to be scanned in a wide range.

The invention discloses a heat-dissipation-type LED (light-emitting diode) lamp with multiple light-emitting surfaces. The heat-dissipation-type LED lamp comprises a heat sink, an aluminium base plate, a lampshade and a lamp bead arranged on the aluminium base plate, wherein the heat sink is a polygonal column body, and the aluminium base plate is correspondingly arranged on each side of the heat sink; and the lampshade is an olivary convolution body, the upper and lower ends of the lampshade are provided with locating holes which are matched and fixed together with the heat sink by virtue of fasteners, and the heat sink is internally provided with an outer through heat dissipation channel. The LED lamp provided by the invention has the advantages of wide irradiating surface, good heat dissipation effect, long service life and the like.

Lighting device of the column type, comprising a support structure (1) provided at the top thereof with an optical space (3), a housing (5) for at least one light source (7) arranged inside the optical space (3), a light passage screen (9) that makes the side surface of the optical space (3), a cap (11) of opaque material arranged on top of the optical space (3), the side wall (13) of the cap (11) covering at least partly the transparent screen (9), and at least one reflector screen (17) with curved section, with concavity facing downwards, arranged inside the optical space (3). The bottom portion of the side wall (13) of the cap (11) exhibits an enlarged outer edge (21) which operates in combination with the light absorbing means present inside the optical space (3) for screening all the light beams emitted above the horizontal plane passing through the centre of gravity of the transparent portion of the screen (9) and/or for deviating the light beams emitted by the light source (7) and reflected by the reflector screen (17) downwards.