73results about How to "Change light angle" patented technology

The invention relates to a luminescent device capable of adjusting light emitting angles which comprises at least one directional light source and a light guide shade, wherein, the directional light source can emit light when electrically conducted with a control circuit, and the projection angle of the directional light source is adjustable; the light guide shade is provided with the directional light source inside and a light control microstructure inside, and the light control microstructure is formed by a plurality of microstructural surfaces provided with refraction or reflection property; through adjusting the projection angle of light emitted by the directional light source, the light can project to the different microstructural surfaces on the light control microstructure, thereby changing the light emitting angle of the light emitted from the light guide shade.

The present invention in particular discloses a 360-degree light emitting LED device and a 360-degree light emitting LED light source. The LED device comprises an LED chip, the LED chip has a vertical structure, and the upper and lower ends of the LED chip are equipped with an N electrode and a P electrode respectively. The LED device also comprises a transparent upper substrate and a transparent lower substrate, and the LED chip is fixed between the transparent upper substrate and the transparent lower substrate. A first transparent conductive layer is arranged on the surface of the transparent upper substrate opposite to the LED chip, is electrically connected with the N electrode of the LED chip and leads out the N electrode to a first external electrode, a second transparent conductive layer is arranged on the surface of the transparent lower substrate opposite to the LED chip, is electrically connected with the P electrode of the LED chip and leads out the P electrode to a second external electrode, and a light conversion material layer wraps the transparent upper substrate, the transparent lower substrate and the LED chip. The LED device and the LED light source of the present invention can emit light 360 degrees, and are lower in production difficulty and higher in product quality.

The invention belongs to the technical field of semiconductor lighting, and relates to an LED surface light-emitting tri-proof lamp. The LED surface light-emitting tri-proof lamp comprises a lamp body, an aluminum substrate arranged in the lamp body, a bottom plate arranged on the lower side of the lamp body and a surface cover arranged on the upper side of the lamp body. End covers are arranged at the two ends of the lamp body. Lamp beads are arranged on the aluminum substrate. The LED surface light-emitting tri-proof lamp is characterized in that the lamp body is formed by two symmetric L-shaped split shells, the bottom plate is arranged between the two split shells, the two sides of the bottom plate are inserted into corresponding mounting grooves in the inner sides of the two split shells, the surface cover is arranged between the two split shells, and the two sides of the surface cover are inserted into corresponding mounting grooves in the inner sides of the two split shells; and the aluminum substrate is arranged at the top of the position, in the lamp body, of the bottom plate or arranged at the included angle positions of the two sides of the L-shaped split shells. By means of scientific design, two light distributing manners can be achieved, and the light-emitting angle can also be changed; and meanwhile the tempered glass surface cover is adopted, dampness and dust prevention and attractiveness are achieved, safety is effectively improved, and the service life of the lamp is prolonged.

The invention provides a variable-focus light emitting device which comprises a light source module and a focus varying module. The light source module comprises a plurality of semiconductor light emitting units. The focus varying module is disposed on one side of the light source module and comprises a circuit board and a plurality of liquid lenses disposed on the circuit board. The liquid lenses comprise first liquid and second liquid. A liquid interface is disposed between the first liquid and the second liquid. The liquid lenses correspond to the light emitting units. Different curvature of the liquid interface is generated by the liquid lenses according to different voltage applied by the circuit board. Light emitted by the light emitting units irradiates into corresponding liquid lenses, and angles of the light emitting from the liquid lenses changes according to the curvature of the liquid interface. By the variable-focus light emitting device, lighting range and light angles can be changed, and size miniaturization and thinning of the overall device are facilitated.

The invention belongs to the technical field of garden landscape lamps and provides a landscape lamp capable of adjusting the light-emitting angle. The landscape lamp comprises a lamp pipe fitting, a light-emitting assembly connected in a lamp body piece and a lens assembly movably connected to the lamp body piece. The lens assembly comprises a light incident portion opposite to the light-emitting assembly, a rotatable light-emitting portion connected to the end surface of the lamp body piece and a tubular connecting portion connected to the light-emitting portion; a spiral groove is formed in the connecting portion along the light-emitting direction, a pin roll piece slidably connected to the spiral groove is arranged on the light-emitting portion, and the light-emitting portion is rotated, so that the light incident portion move front and back along the light-emitting direction. The design can solve the problem that different demands of users cannot be satisfied as the spot size of an existing landscape lamp cannot be adjusted.

The invention relates to the technical field of ultraviolet LED encapsulating, and discloses an ultraviolet LED encapsulator. The ultraviolet LED encapsulator comprises an upper light transmitting hollow casing and a lower light transmitting hollow casing respectively arranged on the two sides of an ultraviolet LED; opening ends are arranged on one side of the upper light transmitting hollow casing and on one side of the lower light transmitting hollow casing; the ultraviolet LED comprises a substrate and a plurality of wafers arranged on the substrate; one side of the substrate seals the opening end of the upper light transmitting hollow casing, and the other side of the substrate seals the opening end of the lower light transmitting hollow casing; the upper light transmitting hollow casing and the lower light transmitting hollow casing are internally vacuum or filled with the gas. The encapsulator encapsulates the ultraviolet LED through the light transmitting hollow casings and thefilling gas in the light transmitting hollow casings or vacuuming, the whole encapsulator does not use an organic encapsulating material, the ageing of the organic encapsulating material by the ultraviolet light is completely avoided from the source, the performance of the ultraviolet LED is effectively improved, and the service life of the ultraviolet LED is prolonged.

The invention relates to a light source device with higher heat dissipation efficiency, which comprises a circuit board, a solid light-emitting element and a hollow columnar metal reflecting shield, wherein the circuit board is provided with a circuit layer; the solid light-emitting element is arranged on the circuit board and electrically connected with the circuit layer; the metal reflecting shield is arranged on the circuit board and electrically insulated from the circuit layer; and the inner surface of the metal reflecting shield surrounds the solid light-emitting element to reflect a light ray emitted by the solid light-emitting element.

The invention provides a shooting method and terminal equipment, and the terminal equipment comprises: a housing which is provided with a through hole; a circuit board which is located on the inner side of the shell; a light supplement lamp module, wherein the light supplementing lamp module comprises a light supplementing lamp, a light supplementing lamp cover and a driving assembly, the light supplementing lamp and the driving assembly are both arranged on the side, facing the through hole, of the circuit board, the light supplementing lamp and the driving assembly are both electrically connected with the circuit board, the light supplementing lamp cover is connected with the driving assembly, the driving assembly can drive the light supplementing lamp cover to at least partially extendout of the shell or retract into the shell through the through hole, and the light supplementing lamp is at least partially located in a containing space formed by the light supplementing lamp cover.In this way, focusing processing can be conducted on the light supplementing lamp, and the light supplementing effect of the light supplementing lamp module is optimized.

The invention provides a semiconductor laser with an alignment adjustment device. The laser has a sleeve, tip set, a focal length adjustment screw, a convex lens, a spring and a semiconductor laser tube. The laser is installed in a round hole shape carrier. A head portion is taken as a turning point, a tail portion can carry out two-dimensional moving adjusting, a light emitting angle is changed and light beams align. The length of the tail portion of the sleeve is increased and adjusting precision is improved. The thickness of the tail portion of the sleeve is increased so that an adjusting mechanism can be installed. The adjustment mechanism is three-point set that is symmetrically distributed at the tail portion. The tail portion of the sleeve is in a trumpet-shaped opening state so that a screwdriver can be inserted to adjust each set. The two-dimensional adjustment of light spots emitted by a single semiconductor laser in a small-sized space at a far end position can be realized so as to achieve alignment. The function can be used in applications where densely-arranged laser emitters are required and light beams need to be aligned, such as the equipment of using a linear arraylaser beam to scan an object to realize dimensional measurement and imaging.

The invention discloses an LED lamp capable of adjusting a luminescence range, comprising a lamp holder (1), a lamp body (3), an LED luminous element (4) with a heat dissipation substrate, a lens (7), an thread-off proof limiting ring (2), a fixed front cover (5) and an adjusting front cover (6). The lamp body (3) is fixedly connected with the lamp holder (1), the LED luminous element (4) with the heat dissipation substrate is fixed inside the lamp body (3), the lens (7) is positioned in front of the emergent light of the LED luminous element (4) with the heat dissipation substrate, and the fixed front cover (5) is fixedly connected with the lamp body (3). The lens (7) is fixed on the adjusting front cover (6), the inner side wall of the fixed front cover (5) is provided with internal threads (51), the outer side wall of the adjusting front cover (6) is provided with external threads (61), and the external threads (61) are connected with the internal threads (51) in an adaptive mode. The thread-off proof limiting ring (2) is sleeved and fixed on the lower part of the outer side wall of the adjusting front cover (6) and prevents the adjusting front cover (6) from screwing out and falling off from the fixed front cover (5). The invention can be applied to the fields of LED lamps and light sources.

The invention discloses a plant growth lamp comprising a blue LED lamp and a light conversion film disposed outside the light exit surface of the blue LED lamp. The light conversion film of the plantgrowth lamp of the invention can be replaced, and the spectrum switching and adjustment can be realized by exciting different light conversion films by a single type of LED backlight to meet the spectral color requirements of plants of different varieties and growth stages.

The invention belongs to the field of lamps, and provides an LED lamp with an adjustable bright emitting angle. The problem that a light emitting angle of the lamp is nonadjustable and cannot suitablefor multiple occasions is solved. A divergent LED light source is fixed to the middle position of a lamp barrel, the size of the LED light source corresponds to a shading layer assembling piece in amatched mode, and the shading layer assembling piece is composed of a plurality of shading blocks and a spring frame. The lamp barrel is composed of two parts of the barrel wall and the barrel bottom,the barrel wall and the barrel bottom are separately placed in a horizontal energized coil and a vertical energized coil, can separately generate magnetic fields vertical in two directions, when thecurrent magnitude and direction of the energized coils of the two directions change, the magnitude and direction of the two internal magnetic fields in the lamp barrel further change. In a finite space, a light emitting size of the lamp is changed by additionally arranging a mechanical movable structure which does not relay external action, gravity direction limit is removed, and the functionalityand applicability of the lamp are enhanced. A shading structure is accurately controlled through electrical control, and the accurate adjustment of the light emitting angle is realized.

The invention provides a special detection cabinet for a performance test of solar cells. The special detection cabinet comprises detection boxes, a slide block round rail and a battery panel mountingneck; the device is provided with three groups of detection boxes up and down; the three groups of detection boxes are connected together by four groups of hinged supporting rods; a group of slide blocks is slidably connected to the inner sides of the tops of the detection boxes; a supporting connecting rod is hinged on the left and right sides of the slide block and a test mounting plate together; and multiple groups of fixing blocks are slidably connected to the test mounting plate. The device can be conveniently stored due to a foldable structure, meanwhile the light blockage is reduced byunfolding and deforming the device, the angle of the solar cell panel is adjusted by the overturnable test mounting plate, the sunlight is kept to be vertical to a battery panel pipeline, thereby improving the detection precision, and meanwhile ensuring convenient mounting, fast mounting and dismounting of the solar cell panel can be achieved, and the adjustment is convenient.

The invention relates to an LED bulb lamp. The LED bulb lamp comprises a lamp holder, a lampshade, a substrate, integrally-encapsulated LED lamp beads and a drive power supply, wherein the LED lamp beads are arranged on the substrate and electrically connected with the drive power supply, the substrate is fixed on the lamp holder and arranged inside the lampshade, and the lampshade is connected with the lamp holder and fixed on the lamp holder. The LED bulb lamp further comprises a light distribution member, wherein the light distribution member comprises a supporting portion installed on the lamp holder and a light distribution portion. The periphery of the supporting portion outward extends in the radial direction to form the light distribution portion, the light distribution portion is located inside the lampshade and arranged above the integrally-encapsulated LED lamp beads, and at least one part of axial projection of the light distribution portion on the substrate covers the LED lamp beads. An irritation angle and an illumination light pattern of the LED bulb lamp are increased, and the visual effect of the illumination is good.

The invention discloses a patch infrared diode. The patch infrared diode comprises an LED chip and a substrate used for bearing the LED chip; a metal reflective cup is embedded in the light output side of the substrate; the LED chip is arranged at the cup bottom of the metal reflective cup; an optical lens is packaged on the top of the metal reflective cup; a metal contact extends outwardly from the metal reflective cup; and the metal contact is electrically connected with the wiring end of the LED chip to form a welding pin of the patch infrared diode. By adoption of the structural design, the light from the chip is reflected and refracted by the metal reflective cup to be concentrated to the optical lens, thereby improving light emitting intensity and changing the light emitting angle.

The invention provides an LED flip chip with a controllable light-emitting angle, and electronic equipment employing the same. The LED flip chip comprises a substrate, an N-type layer, a light-emitting layer and a P-type layer. The N-type layer, the light-emitting layer and the P-type layer are sequentially stacked from the substrate in a top-to-bottom manner. Moreover, the P-type layer is provided with an electrode P, and the N-type layer is provided with an electrode N. During light emitting, light directly comes out of the back surface of the flat substrate. The back surface of the substrate is provided with a single molded groove or more molded grooves through laser ablation, wherein the grooves are consistent in size and shape, are arranged in an array and achieve the controllable andchangeable light-outgoing angle through refraction. When light passes through the grooves on the surface of the substrate to propagate to the air, the light-outgoing angle is changed because of the refraction effect. The flip chip can achieve the change of the light-outgoing angle, thereby changing the light-outgoing angle.

The invention discloses an LED photography lamp with the light emitting angle capable of being adjusted in multiple gears, and belongs to the technical field of photography lamps. The LED photography lamp comprises a horn-shaped fixing cylinder, a light reflecting layer is arranged on the inner side wall of the fixing cylinder, a detachable connecting cylinder a is installed at one end of the fixing cylinder, and the connecting cylinder a is connected with a photography lamp body through a clamping mechanism; a circular glass plate is fixedly arranged on the inner side wall of the end, away from the connecting cylinder a, of the fixing cylinder, rubber rings are fixedly connected to the outer side walls of the two sides of the glass plate, transparent rubber films are arranged on the sides, away from the glass plate, of the rubber rings in a sealed mode, and a micro air pump a and a micro air pump b are fixedly arranged on the outer side wall of the fixing cylinder. According to the invention, the transparent rubber films installed on the fixing cylinder are inflated or deflated, so that the two transparent rubber films are matched to form a convex lens, and therefore the light emitting angle of the LED photography lamp can be changed, and the light emitting angle can be freely adjusted according to the inflation degree of the transparent rubber films.

The invention provides a light-emitting device and an image sensor. The light-emitting device comprises a first light source and a first light guiding part, wherein the first light guiding part is arranged at the position of a light outlet of the first light source in an adjustable angle mode to change a light outlet angle of the first light guiding part. Due to the fact that the angle between the first light guiding part and the first light source is adjustable, an outgoing angle of light of the first light source can be changed through changes of the included angle between the first light guiding part and the first light source so as to change an incoming angle of light which lights on an image, and the light-emitting device can be used for identifying a false proof mark which is made of optically variable ink and the hologram image. Meanwhile, the light-emitting device has the advantages of being simple in structure and low in manufacturing cost.

The invention discloses a light conversion film, a preparation method thereof and an application on a plant growth lamp. The light conversion film includes a light conversion material and a polymer carrier, wherein the light conversion material is quantum dots and / or inorganic fluorescent powder; the polymer carrier includes a polymer nanofiber pad or a polymer film, and the polymer material has arefractive index of 1.45 or more; and the weight of the light conversion material is 0.3% to 11% of the weight of the polymer carrier. The preparation method comprises the steps: mixing the light conversion material and the polymer to form a light emitting composite, then coating or moulding on a substrate, then performing heat curing or UV curing, or coating, spraying, or dipping the light conversion material on the polymer nanofiber pad, and then drying at low temperatures. The light conversion film of the invention can emit light in the same spectrum, can enhance light uniformity, can increase plant growth efficiency, and can be replaced at different time periods according to the plant growth cycle, thus satisfying the spectral color requirements of plants of different varieties and growth stages.

The invention relates to a display screen and a manufacturing method. The display screen comprises a cover plate, a substrate, an organic light emitting diode device, a black film layer, a reflectinglayer and an insulating layer. The substrate and the cover plate are oppositely arranged. The organic light-emitting diode device is arranged on one surface of the substrate adjacent to the cover plate. The black film layer is formed on one surface of the cover plate adjacent to the substrate. The reflecting layer is formed on one surface of the black film layer deviating from the cover plate. Theinsulating layer is arranged on the face, away from the cover plate, of the black film layer, located between the cover plate and the substrate and has light transmittance. After multiple times of reflection and refraction, the interaction among the light beams is changed, the light output of the display screen is improved, the effect of improving the brightness of the display screen is achieved,and as the light output angle of the display screen is changed, the visual angle display effect of the display screen is improved, the brightness of light emitted from a window area of the display screen is improved.

The present invention relates to the field of light guide technologies, and relates to a light guide plate and a manufacturing method thereof. The light guide plate comprises an in-light surface, an out-light surface, and a reflecting surface. The out-light surface has a hairline holographic structure, wherein the hairline holographic structure is of a drawn wire structure. Surface roughness Ra ofthe out-light surface is 0.005-0.02 mm. According to the technical solutions provided in the present invention, the hairline holographic structure is disposed on the out-light surface, and a hairlineholographic depth is limited by using the surface roughness of the out-light surface. In this way, a light exiting angle can be changed, so that light intensively exits within a range of zero-degreepositive viewing angle, thereby improving a light use ratio of an effective light emitting area, and reducing light divergence in an invalid direction. The hairline holographic structure is set to bean irregular drawn wire structure, so that light may be further enabled to scatter into various different directions within the positive viewing angle, thereby reducing a local brightness / shadow phenomenon on the out-light surface. Therefore, light exits more evenly, so that visual experience is softer.

The invention discloses a light source capable of adjusting a light-emitting angle. The light source capable of adjusting the light-emitting angle comprises a lamp base, a chip on board (COB) light source installed on the lamp base and a lens installed and matched with the lamp base and located above the COB; the lamp base is provided with a lens cup installed and matched with the lens; the COB is installed on the bottom of the lens cup; and the lens can be upwards and downwards moved relative to the lens cup so as to adjust the height distance of the lens. The light source capable of adjusting the light-emitting angle is capable of adjusting the height distance between the lens and the COB light source through rotating the lens, changing the light-emitting angle, and changing the illumination lighting effect; and after the height of the lens is adjusted, the connection between the lens and the lamp base is stable and is not easily loosened.

A rear ¿C projection screen and its optical device consists of optical lens and optical device. It is featured as setting optical device opposite to optical lens and forming optical unit by optical unit with the first surface and the second surface as well as by irising layer with multiple light absorption units, setting said the first surface opposite to the second surface and adjoining irising layer to the second surface.

The invention discloses a light-emitting diode structure. A second epitaxial layer is generated on the surface of an epitaxial structure of the light-emitting diode through a secondary epitaxy. The second epitaxial layer is of uneven pyramidal structure with certain cycle. The invention further discloses a method of manufacturing the light-emitting diode structure, which comprises steps of: manufacturing a layer of mask of periodic hollow structure on the surface of the epitaxial structure after generating the original epitaxial structure of the light-emitting diode, then conducting epitaxial growth again at the hollow position of the mask, i.e., on the exposed surface of the epitaxial structure by re-growth technology to obtain the second epitaxial layer. The structure and the method increase the light emitting efficiency while changing the light emitting angle of the light-emitting diode, and increase the uniformity and brightness of the light from the light-emitting diode. The structure and the method increase the coupling efficiency of a light guide plate, improve the brightness of a panel and ensure the uniformity of panel brightness.

The invention relates to the field of data processing, in particular to a virtual model rendering method and device, a storage medium and electronic equipment. The virtual model rendering method comprises the following steps: acquiring an original normal map and a height map corresponding to a virtual model; converting the height map into a height normal map; superposing the height normal map and the original normal map to obtain a target normal map; and rendering the virtual model according to the target normal map. According to the virtual model rendering method provided by the invention, the problems that the dark part of the virtual model is light-transmitting and the rendering controllability is poor can be effectively solved.

The invention relates to a method for shaping a reflection wall of a light-emitting diode module, which comprises the steps of attaching a substrate on a shaping mold for shaping the wall surface by the vacuum pumping shaping way, and further forming a reflection film on the wall surface for completing a finished product of the reflection wall. The reflection wall can reflect a light-emitting diode light source for changing the light path, thereby upgrading the brightness representation of the light-emitting diode; furthermore, the structure of the reflection wall with great precision and narrow-spacing arrangement can be formed by the shaping method of the invention, thereby simplifying the processing steps and reducing the development cost.

The invention discloses an energy-saving LED warehouse lamp. The energy-saving LED warehouse lamp comprises a lamp body, end covers on the two sides, an installation bracket, a light source plate, a driving power source and lenses, wherein the lamp body is of a cavity structure, and the bottom face of the lamp body is provided with a plurality of light source openings; the light source plate is installed in a cavity of the lamp body and aligned to the light source openings, and thus, LED lamp beads on the light source plate can illuminate downwards; the driving power source is installed in thecavity of the lamp body and connected with the light source plate so that the light source plate can be driven to work, and an input wire of the driving power source penetrates through the upper endface of the lamp body to be connected with a mains supply; the end covers are fixed to the two sides of the lamp body through cooperation of screws and water-proof sealing rings; the upper end face ofthe lamp body is fixed to the top of a warehouse through the installation bracket; and the lenses are fixed to the light source openings of the lamp body from the outer side, so that the LED lamp beads are covered inside the lenses, and light refraction is formed.