279results about How to "High light efficiency" patented technology

The invention discloses a light-emitting diode epitaxial wafer, a preparation method thereof and a light-emitting diode, and relates to the technical field of semiconductors. The light-emitting diode epitaxial wafer comprises a substrate, a buffer layer, an N-type semiconductor layer, a low-temperature stress release layer, a multi-quantum well light-emitting layer, an electron blocking layer and a P-type semiconductor layer. The multi-quantum well light-emitting layer comprises a first sub-layer, a second sub-layer, a third sub-layer and a fourth sub-layer which are stacked in sequence, and each of the first sub-layer, the second sub-layer, the third sub-layer and the fourth sub-layer comprises an InGaN quantum well layer and a GaN quantum barrier layer which are periodically and alternately stacked; an electron injection layer is inserted into at least one of the GaN quantum barrier layer of the first sub-layer, the GaN quantum barrier layer of the second sub-layer and the GaN quantum barrier layer of the third sub-layer; and a hole injection layer is inserted into the GaN quantum barrier layer of the fourth sub-layer. By implementing the invention, the electron hole matching degree of the multi-quantum well light-emitting layer can be improved, so that the luminous efficiency of the light-emitting diode is improved.

The invention relates to the technical field of photoelectricity, and discloses a Micro LED epitaxial wafer, a preparation method thereof and a Micro LED chip, the Micro LED epitaxial wafer comprises a substrate, and the substrate is sequentially provided with a buffer layer, an N-type GaN layer, a multi-quantum well layer and a P-type GaN layer; the first multi-quantum well layer comprises at least one group of a first InGaN quantum well layer, a first AlGaN / GaN superlattice layer and a first GaN quantum barrier layer which are stacked in sequence, and the second multi-quantum well layer comprises at least one group of a second InGaN quantum well layer, a second AlGaN / GaN superlattice layer and a second GaN quantum barrier layer which are stacked in sequence. And the third multi-quantum well layer comprises at least one group of third InGaN quantum well layer, hole injection layer and third GaN quantum barrier layer which are stacked in sequence. According to the Micro LED epitaxial wafer provided by the invention, the lighting effect of a Micro LED chip under low working current density can be improved.

The invention relates to the technical field of photoelectricity, and discloses a light-emitting diode epitaxial wafer and a preparation method thereof, and an LED, the light-emitting diode epitaxial wafer comprises a substrate, and the substrate is sequentially provided with a buffer layer, a non-doped GaN layer, an N-type GaN layer, a stress release layer, a multi-quantum well layer, an electron blocking layer, and a P-type GaN layer; the multi-quantum well layer comprises a high-barrier multi-quantum well layer, a middle-barrier multi-quantum well layer, a low-barrier multi-quantum well layer and a low-barrier end multi-quantum well layer which are stacked in sequence. According to the light-emitting diode epitaxial wafer provided by the invention, the hole injection efficiency of the P-type semiconductor material can be improved, the phenomenon of insufficient hole concentration in the multi-quantum well layer is improved, and the matching degree of electron hole concentration in the multi-quantum well layer is improved, so that the radiation recombination efficiency in the multi-quantum well layer is improved, and the brightness and the lighting effect of an LED device are finally improved.

The invention relates to a display panel, a preparation method and application thereof and an AR near-to-eye display device. The display panel comprises a substrate, a light-emitting pixel and a metasurface structure layer which are sequentially stacked, the metasurface structure layer is arranged on the light-emitting side of the light-emitting pixel, and the metasurface structure layer is configured to perform phase modulation on a first light beam emitted from the light-emitting pixel to the metasurface structure layer. Therefore, the second light beam emitted from the metasurface structure layer has collimation and directionality. Wherein the light-emitting pixel comprises sub-pixels of three colors to emit RGB three-color light, the metasurface structure layer comprises three metasurface units, the sub-pixels and the metasurface units are attached in a one-to-one alignment mode, and each metasurface unit conducts phase modulation on light of one color. The display panel can be applied to naked eye 3D light field display, the super-surface structure layer not only realizes collimation and directionality of emergent light of the display panel and improves light efficiency and brightness, but also is favorable for realizing light and thin display panel.

The invention relates to the technical field of semiconductor devices, in particular to an epitaxial structure of an LED quantum well and a growth method of the epitaxial structure. Comprising an active layer, the active layer is formed by periodically stacking a plurality of unit structures, each unit structure comprises a quantum well layer, a cover layer and a quantum barrier layer which grow in sequence, and the quantum well layer comprises a superlattice structure formed by an indium gallium nitride layer and a processing layer which grow alternately. The growth time of indium gallium nitrogen is short, the thickness of a single layer is 5%-15% of the thickness of traditional indium gallium nitrogen, the pressure stress borne by indium gallium nitrogen is greatly reduced, and the crystal quality of the quantum well is improved. Moreover, after the indium gallium nitrogen grows for a short time, the ammonia gas and indium are kept for treatment, so that the nitrogen vacancy defect can be reduced, the decomposition of indium in the indium gallium nitrogen can be reduced, and the defects in a quantum well are reduced. According to the invention, the crystal quality of the quantum well is obviously improved, and the luminous efficiency of an LED under low current density is obviously improved.

The utility model relates to the technical field of light feeding devices, in particular to an eye-closed three-dimensional light feeding LED device, which is characterized in that a pupil LED chip group comprises a red light chip and a near-infrared light chip with the wavelength range of 625nm to 960nm; a pupil LED chip set, an eyelash LED chip set and a meibomian gland LED chip set are fixedly installed on the pupil aluminum substrate, and forced eye closing distance control hair is arranged on the pupil aluminum substrate. A lens aluminum substrate and an eyebrow acupoint aluminum substrate are mounted on the lens seat; the system further comprises an integrated control circuit. By using the red light chip, the optical power density comparable to that of laser and the effective irradiation area larger than that of the laser can be obtained, and the alignment precision of a light source to acupuncture points is reduced; by utilizing the blood activating function of dark red and near-infrared light, myopia, eyebrow thickening and eyelash thickening can be prevented and controlled; health care can be carried out on meibomian glands and a suspension tough system, and light stimulation can be carried out on eye protection acupuncture points; all-directional three-dimensional light feeding can be realized anytime and anywhere; the safety values under various limit conditions refer to three kinds of sunlight.

The invention discloses an epitaxial structure for a Micro-LED, a preparation method of the epitaxial structure and the Micro-LED, and relates to the field of semiconductor photoelectric devices. Wherein the epitaxial structure sequentially comprises a substrate, a buffer layer, a non-doped GaN layer, an N-type GaN layer, a multi-quantum well layer, a hole injection enhancement layer and a P-type GaN layer; wherein the hole injection enhancement layer sequentially comprises a first sub-layer, a second sub-layer, a third sub-layer and a fourth sub-layer; the first sub-layer comprises AlN layers and GaN layers which are alternately stacked, the second sub-layer comprises Alx1Ga1-x1N layers and first Mg-doped GaN layers which are alternately stacked, the third sub-layer comprises Alx2Ga1-x2N layers and Mg-doped Iny1Ga1-y1N layers which are alternately stacked, and the fourth sub-layer comprises second Mg-doped GaN layers and Mg-doped Iny2Ga1-y2N layers which are alternately stacked; wherein x1 > = x2, and y1 < = y2. According to the invention, the lighting effect of the Micro-LED can be improved.

The invention discloses a high beam illumination module, and relates to the technical field of car lamps, the high beam illumination module comprises an outer lens unit, an inner lens unit and a light source, the outer lens unit is of an integrally formed structure, and comprises a light emitting surface, a first total reflection surface and a second total reflection surface; the first parallel light enters from the light-emitting surface, is converged by the light-emitting surface and then is sequentially reflected by the first total reflection surface and the second total reflection surface to become second parallel light, and the longitudinal convergence degree is greater than the transverse convergence degree; light emitted by the light source forms middle parallel light after passing through the inner lens unit, and the middle parallel light is reflected by the second total reflection surface and the first total reflection surface in sequence and is finally emitted out from the light emitting surface to form a high beam light type wide in transverse direction and narrow in longitudinal direction. The first total reflection surface and / or the second total reflection surface are / is provided with a plurality of micro-arc-shaped concave surfaces so that light rays incident from the inner lens unit can be transversely expanded, the emitted high beam light pattern can be further transversely expanded, and the high beam light pattern is more uniform.

The invention relates to the technical field of photoelectricity, and discloses a light-emitting diode epitaxial wafer and a preparation method thereof, and an LED, the light-emitting diode epitaxial wafer comprises a substrate, and the substrate is sequentially provided with a buffer layer, a non-doped GaN layer, an N-type GaN layer, a stress release layer, a multi-quantum well light-emitting layer, an electron blocking layer, and a P-type GaN layer; the stress release layer comprises an In < x > Ga < 1-x > N / GaN superlattice layer, a highly-doped N-type GaN layer, a multi-quantum well structure layer and an undoped Al < z > Ga < 1-z > N layer which are stacked in sequence, the multi-quantum well structure layer comprises In < y > Ga < 1-y > N layers and first GaN layers which are stacked alternately, the value range of x is 0.01-0.2, the value range of y is 0.1-0.5, and the value range of z is 0.01-0.2. The light-emitting diode epitaxial wafer provided by the invention improves the light-emitting efficiency of the diode and reduces the forward and reverse electric leakage phenomenon.

The LED ceiling lamp comprises a base assembly and a lampshade assembly, the base assembly comprises a base and a light source module installed in the base, the lampshade assembly comprises a face ring, a light-transmitting plate and a reflecting cover, the light-transmitting plate and the reflecting cover are installed in the face ring, a clamping groove is formed in the outer side wall of the base, and a buckle is arranged on the inner side wall of the face ring. The lampshade assembly is installed on the base through clamping fit of the buckles on the face ring and the clamping grooves in the base. According to the LED lamp, the lampshade assembly is arranged, the light-transmitting plate and the reflecting cover are arranged in the face ring, the buckles are arranged on the inner side wall of the face ring, meanwhile, the clamping grooves are formed in the outer side wall of the base, the face ring is arranged on the base in a sleeved mode, the face ring is screwed on the base through matching of the buckles and the clamping grooves, and at least part of the base is installed in the face ring; the height of the ceiling lamp is reduced, the packaging and transportation cost is reduced, and the light effect of the whole lamp is improved.

The utility model relates to the technical field of lighting devices, in particular to a flexible LED down lamp with high luminous efficiency. The technical problems that a common LED down lamp lacks a structure for improving the reflection efficiency and light condensation, the lighting effect needs to be improved, meanwhile, a structure for adjusting the irradiation range lacks, and the use flexibility needs to be improved are solved. According to the technical scheme, the flexible LED down lamp with the high lighting effect comprises a shell. According to the LED down lamp, the light efficiency can be improved through the high-light-efficiency reflecting bowl and the high-reflection coating sprayed inside the shell, meanwhile, light rays can be more concentrated through the light gathering assembly, the light efficiency is further improved, the lifting assembly is matched with the light gathering assembly, the irradiation range can be flexibly adjusted, the use flexibility is improved, and the problem that a common LED down lamp is poor in illumination effect is solved. The problems that a structure for improving the reflection efficiency and light condensation is lacked, the lighting effect needs to be improved, meanwhile, a structure for adjusting the irradiation range is lacked, and the use flexibility needs to be improved are solved.

The utility model relates to the technical field of lighting lamps, in particular to a GU10 lamp holder of a PAR (Parabolic Aluminum Reflector) lamp, which is characterized by comprising a lamp cup, a light source and a light-transmitting cover, the light source is mounted in the lamp cup, the light-transmitting cover is clamped with an opening of the lamp cup and comprises a refraction part, a first refraction surface is arranged on one side, close to the light source, of the refraction part, and a second refraction surface is arranged on one side, close to the light source, of the refraction part. A reflecting surface is arranged on the outer side face of the refraction part, a second refraction surface is arranged on the upper surface of the refraction part, the first refraction surface refracts light rays emitted by the light source for the first time, the angle of the light rays emitted by the light source is enlarged, the irradiation range of the light rays is enlarged, and the reflecting surface reflects the light rays refracted by the first refraction surface and concentrates the irradiation range of the light rays. On the basis that the first refracting surface expands the light irradiation range, light is concentrated, and the brightness of the lamp is improved; and the second refraction surface reflects the light concentrated by the reflection surface, so that the illumination range of the lamp is enlarged while the brightness of the lamp is improved.

The utility model provides a collecting lens and a lighting system, the lighting system comprises a collecting lens and a light source connected on the collecting lens, the collecting lens comprises a lens main body, and a light mixing lens and a condensing lens which are arranged on the lens main body. The condensing lens mixes the light rays emitted by the light source through the light mixing lens, and then condenses the light rays through the condensing lens, so that the projected light rays are uniform, disordered light spots can be effectively reduced, the light ray integrity is better, and the illumination effect is better. The condenser is particularly suitable for a light source with multicolor or double-color lamp beads, the color consistency of light rays emitted by the light source can be effectively improved, the lighting effect is enhanced, and the use requirements of users for use diversification are efficiently met.

The invention discloses a low-beam broadening focal line lens, a related lens module and a related lighting module, and relates to the technical field of car lamps, the low-beam broadening focal line lens comprises a first curved surface, a first total reflection surface and a second total reflection surface which are integrally formed, and a beam of parallel light enters from the first curved surface, is converged through the first curved surface and then enters the second curved surface; the light is reflected by the first total reflection surface and the second total reflection surface and is converged on a focal line; longitudinal focusing is achieved through the integrally-formed focal line lens structure, so that transverse focusing and longitudinal focusing are separated, the longitudinal focal length is larger than the transverse focal length, and a low-beam broadening light type wide in the transverse direction and narrow in the longitudinal direction can be achieved conveniently. The integrally-formed focal line lens is a single-layer lens, Fresnel loss is effectively reduced, total reflection is utilized, a light path can be folded, the size can be shortened, the size and weight of the lens are reduced while the lighting effect is improved, and energy saving and cost saving are facilitated; meanwhile, the refraction is less, the dispersion of projected light is small, and the color uniformity is good; the lens is good in static appearance consistency, and different modeling requirements can be met.

The utility model provides a Micro LED display device. The Micro LED display device comprises a driving substrate; each pixel unit comprises a semiconductor multilayer structure in which a second semiconductor layer, a light-emitting layer and a first semiconductor layer are sequentially stacked from bottom to top, and a groove penetrating through the semiconductor multilayer structure is formed between the pixel units; the first reflection structure is formed on the side wall of the groove of each pixel unit and the edge position of the second semiconductor layer, and a conductive opening is formed in the surface of the second semiconductor layer; the bonding metal layer is formed on the conductive opening corresponding to each pixel unit; the bonding glue layer is formed on the periphery of the bonding metal layer; and the ohmic contact structure is of a net structure formed by mutually connecting the metal walls formed on the surfaces of the pixel units and is formed along the grooves between the pixel units, and one metal wall is shared at the joint of every two adjacent pixel units. The problems that a Micro LED is low in luminous efficiency and insufficient in optical collimation are effectively solved.

The present invention provides a low-temperature, low-power light strip, and relates to the technical field of light strips. The present invention includes a first circuit and a connecting device, a second circuit is fixedly connected to the side wall of the first circuit, a protective cover is fixedly connected to the upper surface of the first circuit, an end of the first circuit away from the second circuit is electrically connected to a power line, two main lines are fixedly connected to the inner wall of the first circuit, a plurality of first light sources are fixedly connected to the inner walls of the first circuit and the second circuit, a rubber material is fixedly connected to the inner wall of the first circuit and the surface of the main line, a plurality of second light sources are fixedly connected to the upper surface of the first circuit, two connecting devices are provided at the ends of the first circuit and the second circuit close to each other, the connecting device includes a slide plate, four fixing devices are provided on the surface of the protective cover and the first circuit, and the fixing device includes two support plates. The present invention solves the problem that it is not easy to connect another light strip when the light strip is not long enough, which makes the connection of the light strip complicated.

The utility model discloses an adjustable high luminous efficiency panel lamp, including lamp shell, light source plate, module light mixing cover, reflector, lamp panel and light sensing module, light source plate is provided in lamp shell, lamp panel and lamp shell match, module light mixing cover and reflector are provided between light source plate and lamp panel, light sensing module is provided with the module light mixing cover, reflector, lamp panel and light sensing module. The light source plate is controlled to emit light through the lamp driver, light of the light source plate is emitted out of the lamp panel through the module light mixing cover and the reflecting cover, a light sensing module is arranged on the surface of the lamp panel, and the output power of the lamp driver is controlled through the light sensing module. The light mixing cover is combined with the reflecting cover to jointly achieve the light gathering effect, so that light rays are effectively concentrated, and the utilization rate of energy is effectively increased. The light sensing module is arranged, and the driving power of the lamp is adjusted by sensing surrounding light, so that the luminous intensity of the light source plate is adjusted, and glare is prevented.

The utility model relates to the technical field of LED light sources, and discloses a high-luminous-efficiency and high-illumination LED light source which comprises a substrate, the substrate is provided with a luminous area, the luminous area is provided with a plurality of LED chips, the luminous area is covered with a fluorescent layer, light emitted by the LED chips is transmitted to the outside through the fluorescent layer, the fluorescent layer is covered with an adhesive layer, and the adhesive layer protrudes upwards and is in a protruding shape. According to the LED light source, the LED chips can enable the light source to achieve high light efficiency through the fluorescent layer, then the protruding glue layer is used for enabling the light source to irradiate in a concentrated mode, the high light efficiency and high illumination effect of the LED light source is achieved, and the problem that the light efficiency of the LED light source is low is solved.

The utility model discloses a single LCD projection optical device which comprises a light source assembly, a front Fresnel lens, a polarized light brightness enhancement film, an LCD liquid crystal screen, a rear Fresnel lens, a reflector and a projection lens. According to the light path structure, the transmission type polarized light brightening film is used, after light emitted by the light source is subjected to polarized light brightening, P light penetrates through and irradiates the liquid crystal screen, most S light is reflected back to the Fresnel lens and the front-end optical system by the polarized light brightening film, the S light is depolarized after passing through all layers of materials of the Fresnel lens and the front-end optical system, and therefore the light path structure is formed. And after the light becomes full polarized light (P light and S light), the light is emitted out of the Fresnel lens and the front-end optical system again and is recycled, so that the lighting effect of the single-LCD projector can be greatly improved.

The utility model relates to the technical field of LED light sources, and discloses a high-luminous-efficiency and high-power LED light source which comprises a substrate, the top of the substrate is provided with a light-emitting area, the light-emitting area is provided with a plurality of LED chips, two copper sheets which are relatively isolated and independently arranged are arranged in the substrate, the tops of the copper sheets are provided with top end faces which are arranged upwards, and the top end faces of the copper sheets face upwards. The bottom of the copper sheet is provided with a bottom end face arranged downwards, a peripheral face is arranged between the top end face and the bottom end face, and the peripheral face is arranged inwards in a sunken mode in the direction from top to bottom, so that the area of the bottom end face is smaller than that of the top end face; according to the LED light source, more LED chips can be welded in the light-emitting area of the substrate by increasing the sizes of the substrate and the light-emitting area, so that high luminous efficiency and high power of the LED light source are achieved, the substrate is installed through two copper sheets for electric conduction, the area of the bottom end face is smaller than that of the top end face due to the fact that the peripheral face is concavely arranged inwards, and the light-emitting efficiency of the LED light source is improved. Therefore, the 5050 plush-LED light source can also be installed on the PCB of the 5050 plush-LED light source in an adaptive mode, and the problem that the adaptive function of the 5050 plush-LED light source is poor is solved.

The utility model discloses a single-polarization linear spotlight which comprises a sectional material lamp body support and a sectional material radiator arranged on the inner side of the lower portion of the sectional material lamp body support, outer end covers are installed at the left end and the right end of the sectional material lamp body support respectively, inner end covers are installed at the left end and the right end of the sectional material radiator respectively, hinge columns are arranged on the outer sides of the inner end covers, and the hinge columns are connected with the sectional material radiator. The outer end cover is provided with hinge holes corresponding to the hinge columns, marbles are installed on the inner side of the lower portion of the outer end cover, a plurality of grooves corresponding to the marbles are formed in the outer side of the inner end cover, a light source is installed on the inner side of the profile radiator, and an optical lens covers the bottom of the light source. An optical reflection cup covers the bottom of the optical lens, and an optical anti-dazzle cover is arranged at the bottom of the optical reflection cup. The guide rail lamp is easy in angle adjustment, stable in positioning after adjustment, good in use effect, high in lighting effect, good in anti-dazzle performance, large in light spot and uniform in illumination, one lamp can replace two guide rail lamps with the same power, and the use experience of consumers is good.

The curved surface reflector is used for covering a light source of the vehicle lamp and comprises a PC lampshade with a radian curved surface, the PC lampshade is provided with an upper panel part and a lower panel part, and a groove part is arranged between the upper panel part and the lower panel part; the reflective decorative strip is plated with chromium and is arranged in the groove part; and the reflecting sheet is divided into an upper reflecting sheet and a lower reflecting sheet and is buckled at one end of the PC lampshade, the reflecting decorative strip is exposed, and the reflecting sheet is made of a PMMA (Polymethyl Methacrylate) material. The PC lampshade is divided into the upper panel part, the lower panel part and the middle groove part, the PC lampshade is matched with the light reflecting pieces and the light reflecting decorative strips to form three light reflecting intervals, then efficient light reflection is achieved through different reflecting structures, the light emitting range is widened, and the lighting effect is enhanced.

According to the graphene-coated fluorescent material for the LED, the graphene-coated fluorescent material growing on the surface of fluorescent powder through a chemical vapor deposition method can achieve efficient preparation and high-precision control, and therefore the product performance and reliability are improved. In addition, the adopted graphene material is single-layer graphene, so that the cost is reduced, and the stability and efficiency of the coating material are ensured. The novel graphene-coated fluorescent material provides a more excellent solution for an LED due to high luminous efficiency and stability of the novel graphene-coated fluorescent material. For the LED industry, the innovative material can greatly promote the progress and development of the industry.

The invention discloses a light-emitting substrate, a display device and a preparation method. The light-emitting substrate comprises a substrate; the plurality of pixel units are arranged on the substrate in an array arrangement manner; the plurality of box dams are respectively arranged on the periphery of each pixel unit in a surrounding manner, and the box dams divide the substrate into a plurality of pixel areas provided with the pixel units and a black matrix area located on the periphery of the pixel areas; and the bottom black layer is arranged on the bottom black area. According to the light-emitting substrate, the box dams are arranged on the peripheries of the pixel units, the bottom black layer is prevented from making contact with the pixel units through the box dams, it is avoided that the bottom black layer makes contact with the pixel units to absorb light emitted by the pixel units, and the overall lighting effect of the light-emitting substrate can be improved; meanwhile, by arranging the box dam, the height of the bottom black layer relative to the substrate can be properly increased, it can be ensured that the blackness of the light-emitting substrate is kept consistent, the light-emitting substrate has relatively high blackness, the display effect of the light-emitting substrate is improved, and the requirements for light, thin, high-image-quality and high-dynamic display are met.

A rare earth organic tetrahedral molecular cage complex and a preparation method and application thereof are constructed with rare earth europium (III) as the vertex, triphenylamine-derived tripodal β-diketone as the face-directing ligand and 1,10-phenanthroline as the auxiliary ligand. The complex is modified by Pluronic F127 to obtain a composite material containing a rare earth organic tetrahedral molecular cage complex structure, and the application of the composite material as an inner ear drug carrier delivery system in the treatment of inner ear diseases. The complex of the present invention provides a cavity with a suitable capacity for accommodating guest molecules, and has high light efficiency to facilitate the tracing of drug carriers, and can efficiently penetrate the cochlear blood-membrane labyrinth barrier to enter the endolymph, and then be taken up by inner ear sensory cells. The Pluronic F127-modified rare earth cage complex synthesized by the present invention can be used as a safe and efficient inner ear drug delivery carrier, with great clinical value and application prospects.

This utility model discloses a reflector cup, including a body with a light outlet at the top and a light inlet at the bottom. Along the direction from the light inlet to the light outlet, a line connecting the two endpoints of the reflective surface curve intersects the curve of the body. The optical structure between the light inlet and the intersection point is a first reflective surface, and the optical structure between the intersection point and the light outlet is a second reflective surface. The first reflective surface at least has the function of adjusting the light emission angle, and the second reflective surface at least has the function of uniformizing the light. This application's design, where the straight line connecting the endpoints of the reflective surface curve intersects the curve of the reflector cup, improves the uniformity and efficiency of the light spot, and alleviates glare. Even when used with lenses, the surface of the lenses can maintain uniform brightness without causing glare, and it also reduces stray light caused by Fresnel reflection from the lenses.

The utility model relates to the field of lighting, and discloses an LED light source device and lighting equipment. The white ink layer is positioned on the upper surface of the substrate; mounting holes are distributed in the white ink layer; the LED chip is positioned on the upper surface of the substrate and is electrically connected with the substrate through the mounting hole; the white glue reflecting layer is positioned on the surface of the white ink layer and is positioned around the LED chip; and the fluorescent colloid is positioned on the surface of the white glue reflecting layer and covers the LED chip. The white glue reflecting layer is located on the upper surface of the white ink layer, and the white glue reflecting layer has the characteristic of high temperature resistance, is not prone to discoloration at the high temperature and ensures long-term lighting effect stability, so that a good reflecting effect can be achieved on light emitted by the LED chip, the lighting effect of the LED light source device is improved, and the service life of the LED light source device is prolonged. And the problems of color temperature dispersion and poor color consistency can be solved, and the chromaticity stability is improved.

The invention provides an LED light source module and a lamp, the LED light source module comprises a light source plate, a waterproof isolation layer and an integrated lens, the light source plate is provided with an LED chip serving as a light source, the integrated lens comprises a plate body and a lens body arranged on the plate body, the lens body comprises a light incoming surface and a light outgoing surface which are oppositely arranged, and the waterproof isolation layer is arranged on the light incoming surface. The light incident face is an arc face protruding towards the LED chips from the plate body, and the space between the light source plate and the integrated lens is filled with a waterproof isolation layer. According to the LED light source module provided by the invention, the glue above each LED chip is in contact with the cambered incident surface of the lens body, and the convex incident surface extrudes and exhausts air at the top of the LED chip during contact, so that the lighting effect is improved. The waterproof isolation layer formed by glue pouring is covered by the integrated lens, the glue surface is not directly exposed, and the defect that silica gel adsorbs dust is avoided. The light source, the glue and the lens are integrally bonded, and the effects of improving the optical efficiency and enhancing the waterproof performance are achieved.

The invention relates to a backlight module, a display screen and electronic equipment. The backlight module comprises a light guide plate, the light guide plate comprises a set of first edges arranged oppositely and a set of second edges arranged oppositely, and the length of the first edges is larger than that of the second edges; the circuit board is arranged on the first edge of the light guide plate; and the multiple lamp strips are arranged on the circuit board and all emit light towards the light guide plate.

The utility model relates to the technical field of anti-collision lamps, and discloses an anti-collision lamp adopting an aviation color high-power patch double-chip LED light source, which comprises a lamp heat dissipation shell, a lamp lower shell, a power supply and an input power supply, the surface of the upper end of the lamp heat dissipation shell is fixedly connected with a top light source plate assembly, the power supply circuit is connected with a resistor and a drain electrode of an MOS transistor IFRNS, and the input power supply circuit is connected with a voltage protection element. The LED light source anti-collision lamp has the advantages that the LED light source anti-collision lamp is used, light is generated through combination of internal PN junction electrons and holes, high voltage and lamp filaments are avoided, the defects of an incandescent bulb light source anti-collision lamp and a xenon pulse anti-collision lamp can be overcome, the anti-collision lamp adopts the LED light source, the light source adopts specially-made double chips to emit light, and the anti-collision effect is good. The small size is met, and meanwhile the space requirement for brightness is met.