72results 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 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 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 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 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 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 storage lamp, comprising a lamp body, end caps on both sides, a mounting bracket, a light source board, a driving power source and a lens, wherein: the lamp body is a cavity structure, the bottom surface of which has a plurality of light source openings, and the light source The board is installed in the cavity of the lamp body, and its position is aligned with the opening of the light source, so that the LED lamp beads on the light source board are illuminated downward. The input line of the power supply is connected to the mains through the upper end of the lamp body. The end cover is fixed on both sides of the lamp body through screws and waterproof sealing rings, and the upper end surface of the lamp body is fixed on the top of the warehouse through the mounting bracket. The lens is from the outside. It is fixed at the light source opening of the lamp body, and the LED lamp beads are covered to form light refraction.

The invention provides a multifunctional diaphragm and a biological microporous plate microimaging light path device. The multifunctional diaphragm comprises a diaphragm plate provided with at least four through holes, a functional part is arranged in each through hole and comprises any one or a combination of at least two of a light homogenizing sheet, a prism or an optical filter; the biologicalmicroporous plate whole-pore microimaging light path device comprises a light source assembly, a diaphragm assembly and an imaging lens assembly which are arranged in sequence, wherein the diaphragmassembly is the multifunctional light. The multifunctional diaphragm adjusts the incident angle, the luminous flux, the light intensity or the wavelength of light emitted by the light source assemblyand entering the imaging lens assembly through the functional parts. Therefore, the biological microporous plate microimaging light path device can accurately measure different detection samples.