37results about How to "High lumen maintenance" patented technology

A versatile yet highly specialized lighting system comprising a light source that emits specific and specialized light spectra and is adjustable through the use of a control interface, which is able to support plants form seedling to mature flowering and fruiting adults. The lighting system utilizes a power source to energize a lighting fixture. A given lighting fixture includes high efficiency luminary devices that may have varying color combinations and spatial arrangements. A substrate provides support and thermal management. Electrical connectors allow multiple lighting fixtures to be connected to a single power source. A switching device allows linear control of intensity, time and color parameters of the emitted light, and is programmable to simulate photoperiods and spectrum shift. The system is optimized to stimulate growth in plants during times of different light-intensity and light-spectrum needs. The design of the present invention takes into consideration various factors so the claimed lighting system operates at the highest possible efficiency and exhibits the longest possible life.

The invention discloses a U-shaped light-emitting diode (LED) energy-saving lamp, which comprises a lamp holder. A driver shell is arranged on the lamp holder. A driver is arranged in the driver shell. The driver shell is made of heat conducting plastics in which metal is embedded or pure heat conducting plastics. The driver shell is connected with a U-shaped lampshade. A substrate which is electrically connected with the driver is arranged in the U-shaped lampshade. An LED module is installed on the substrate. The U-shaped LED energy-saving lamp not only effectively realizes light emission with an LED lamp light illumination angle being larger than 330 degrees, but also can evenly emit light, solves the problem of glaring and has excellent radiating performance.

A lamp includes a discharge vessel and electrodes extending into the discharge vessel. The lamp further includes an ionizable fill sealed within the vessel. The fill includes an inert gas and a halide component. The halide component includes a sodium halide, a thallium halide, at least one of a calcium halide and a strontium halide, and at least one of a rare earth halide. The rare earth halide is selected from the group consisting of lanthanum, cerium, praseodymium, samarium and neodymium, and combinations thereof.

A lamp includes a discharge vessel and electrodes extending into the discharge vessel. The lamp further includes an ionizable fill sealed within the vessel. The fill includes an inert gas and a halide component. The halide component includes a sodium halide, a thallium halide, at least one of a calcium halide and a strontium halide, and at least one of a rare earth halide. The rare earth (RE) halide is selected from the group consisting of lanthanum, cerium, praseodymium, samarium and neodymium, and combinations thereof. The fill establishes a Na/RE ratio of 8≦Na/RE≦48.

A glass composition for lamps includes the following by weight percent: SiO₂: 60-75 wt %; CeO₂+Ce₂O₃: 0.01-5.2 wt %; SnO+SnO₂: 0.01-5.2 wt %; Al₂O₃: 0.5-6 wt %; B₂O₃: 0-5 wt %; Li₂O+Na₂O+K₂O: 13-20 wt %; MgO: 0.5-5 wt %; CaO: 1-10 wt %; SrO: 0-10 wt %; BaO: 0-10 wt %; ZnO: 0-10 wt %; Fe₂O₃+FeO: 0-0.2 wt %; and TiO₂: 0-1 wt %. The glass composition for lamps that contains no lead or antimony achieves high ultraviolet screening capacity, ensuring fewer occurrences of initial coloring and ultraviolet ray caused coloring of glass.

The invention discloses an LED (light emitting diode) lamp which comprises a baseplate, wherein the baseplate is provided with an LED assembly, the surface of the LED assembly covers a transparent heat conductor, and the periphery of the LED assembly is provided with a retaining wall; the LED assembly is also connected with a transparent lamp shade, the transparent lamp shade is provided with a reflecting aperture, and the baseplate and the transparent lamp shade form a seal cavity chamber; and the LED assembly is arranged in the seal cavity chamber, the transparent lamp shade is provided with a phosphor powder mixture, and the phosphor powder mixture is not contacted with the LED assembly. According to the invention, a spotlight transparent lamp shade can effectively lead an irradiate ray light beam of the LED lamp to concentrate, the penetrating power is strong and the illumination intensity is enough, thereby realizing spotlight effects of different angles; and a light expanding transparent lamp shade can effectively lead the rays of the LED lamp to irradiate in an angle greater than 270 degrees, the irradiation is uniform, and a glare problem is solved.

The invention relates to a LED filament ball steep light with high lumen maintenance. The LED filament bulb light comprises an inclosed bulb shell and a bulb holder, wherein the bulb holder and the bulb shell are connected mutually and fixedly, a light staff, located inside the bulb shell, is fixedly connected on the bulb holder, and an LED light source is arranged on the light staff. The LED filament ball steep light is characterized in that the LED light source and the bulb holder form electrical connection, the bulb shell is filled with mixed gas, and the mixed gas comprises oxygen and high thermal conductivity gases, wherein the volume ratio of oxygen is 0.1% to 30%. The oxygen added into the gas can prevent reducing of the transmittance of ITO due to the fact that an ITO layer in an LED chip is reduced in gas in an oxygen-free environment in the aging process, therefore the lumen maintenance of filament aging is enhanced, and brightness decay is reduced. 1000H aged light of a filament with a good performance is kept at about 97% at present, 1000H lumen maintenance of a bulb with conventional gas is kept at about 96%, and the 1000H lumen maintenance of a bulb with gas added with oxygen in the scheme is kept at about 98.5%.

The invention relates to a light diffusion light-emitting diode (LED) lamp, which aims at solving the problems that the effect is not good, the luminous flux and the color temperature are not stable when the existing light diffusion cover diffuses light of the LED lamp; and since aluminum blocks are mostly used for the radiation of the existing LED lamp, the amount of the used materials is large and the cost is high. The light diffusion LED lamp mainly comprises an LED blue light chip and a transparent light guide column, wherein an enclosing wall which is made of a light reflecting and heat conducting material is arranged on the substrate of the LED blue light chip, the chip is arranged in the enclosing wall and the upper surface of the substrate in the enclosing wall is covered with a transparent heat conducting layer; and a cover plate is arranged at the lower part of the transparent light guide column, step slots which are matched with the LED blue light chip are arranged on the bottom surface of the cover plate, light reflecting layers are arranged on the side wall of a second step slot and the upper surface of the cover plate, a fluorescent layer is arranged on the top surface of the second step slot and a light reflecting structure is arranged at the top of the transparent light guide column. The light diffusion LED lamp has the advantages that the light distribution effect of different curves can be realized, the stability of the luminous flux, color temperature and electric parameters of the entire system is improved, the light attenuation is reduced and the luminous flux maintenance factor is improved.

The present invention aims to realize a fluorescent lamp and a lighting instrument installed the fluorescent lamp, the fluorescent lamp restrains the light reflection membrane from membrane stripping, and makes lumen maintenance rate and exterior quality promote. The fluorescent lamp of the present invention has: a sealed tubular glass bulb; an electrode generating unit making the bulb generate discharge; a discharge medium enveloped into the bulb; a protective membrane formed at the internal surface of the bulb and the membrane thickness is 0.2 to 0.9 micrometer; a light refection membrane formed at the regulated position of the protective membrane, and containing more than or equal to 25wt percent strontium pyrophosphate phosphor particulate; and a fluorophor membrane formed at more nearby to the internal side part than the light reflection membrane. According to the present invention, it can promote the lumen maintenance rate through thickening the protective membrane and restrain the light reflection membrane from membrane stripping.

The present invention discloses ultraviolet ray blocking protecting film powder slurry and its coating method to inner wall of lamp tube. Titania, preferably of rutile type or anatase type, of grain size of 10-100 nm and water, preferably deionized water, is compounded into slurry of concentration 0.3-12 wt%, preferably 0.5-10 wt%. The slurry is coated to the inner surface of lamp tube and dried with hot blast of 80-140 deg.c to form a coating of 50-1500 nm, preferably 100-1000 nm, thickness. The present invention has the positive effects of low ultraviolet transmittance, high visible light transmittance, stable performance, long service life, etc.

The invention discloses a lamp tube for a lamp with a cover, and relates to the field of lighting. The lamp tube for the lamp with the cover comprises a tube body and a core column, wherein the core column is provided with a filament and an exhaust pipe; the exhaust pipe is filled with amalgam; part of the exhaust pipe is flattened; the amalgam is positioned in the exhaust pipe above the flattened part so as to ensure the consistency of a working temperature of the amalgam, and avoid amalgam position change caused by melt flow of the amalgam which is lighted for a long time; therefore, the amalgam can be at the optimum working temperature; the saturated vapor pressure of mercury is optimal; and the consistency of photoelectric parameters are improved greatly, which extremely contributes to improving lumen maintenance of an overall lamp and prolonging the service life of the lamp. The invention also discloses a manufacturing method for the lamp tube of the lamp.

A light emitting device includes a light emitting element, a substrate which contains a conductive member containing silver having the light emitting element mounted, and a sealing member which covers the light emitting element, and the sealing member is made of a cured silicone composite containing the following components (A), (B), (C), and (D):

• • (A) an organopolysiloxane containing at least two alkenyl groups each bonded to a silicon atom per one molecule;
  • (B) an organohydrogenpolysiloxane containing at least two hydrogen atoms each bonded to a silicon atom per one molecule;
  • (C) a hydrosilylation catalyst; and
  • (D) a zinc silanolate represented by the following formula (1):

In the formula (1), R¹ to R⁷ each independently represent a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 10 carbon atoms, which may be substituted by a fluorine atom, or each independently represent a hydroxy group or an alkoxy group; and m represents an integer of 1 or greater.

The invention discloses a quick-start high-photosynthetic-efficiency and high-pressure sodium lamp which comprises an arc tube, a main support and a lampwick. The arc tube is connected with the main support in a spot welding mode through a first connecting wire and is connected with a lower support in a spot welding mode through a second connecting wire. The main support is connected with an air-removing sheet, a first support sheet, a second support sheet, a take-off device and an air-removing ring in a spot welding mode. A blister shell is sleeved around the main support and the lampwick is encapsulated in of a base of the blister shell. The blister shell is connected with lamp cap threads. A first lampwick foot is connected with a lamp cap through a first outer guide wire, and a second lampwick foot is connected with the lamp cap through a second outer guide wire. The main support is connected with the first lampwick foot in a spot welding mode and the lower support is connected with the second lampwick foot in a spot welding mode. A mica sheet is fixedly arranged between the main support and the lower support and the mica sheet is connected with a fixing sheet of the first lampwick foot in a spot welding mode. The take-off wire is entwined on the around the arc tube and the take-off wire is connected with the take-off device in a spot welding mode. The quick-start high-photosynthetic-efficiency and high-pressure sodium lamp has the advantages of being quick to start, high in photosynthetic efficiency and reasonable in structure.

The invention discloses a preparation method of blue phosphor for three-basic-color energy-saving lamps. The preparation method comprises the following steps: after BaCO3, SrCO3, MnCO3, MgO and Eu2O3 are sieved, carrying out wet mixing on the obtained powder and water in a certain powder-water mass ratio, and burning the obtained mixture; then, mixing the burned material with other raw materials, discharging the obtained mixed raw material, carrying out weak airflow decentralized processing, and sequentially sieving, mixing, burning and cooling the burned product, so that the cooled burned product, namely a primary product, is obtained; and finally, after the burned primary product of the phosphor is crushed, sieving the crushed product, putting the sieved phosphor powder into a dispersion machine, sequentially carrying out water washing, suction filtration and drying on the powder, and sieving the dried powder, so that the blue phosphor for three-basic-color energy-saving lamps is obtained. The phosphor has good ultraviolet degradation resistance and hot working properties, and has the characteristics of high lumen maintenance, high luminous efficacy, small color shift, and the like.

The invention discloses an indoor stigma croci planting frame lighting lamp convenient for automatic observation and application. The lamp comprises a red, yellow and blue LED area light source module, a heat conduction aluminum plate, a driving power source, a controller, a sensor, a feedback device, a camera and a remote control system; the lamp can emit red light and blue light with different intensity ratios to provide illumination for indoor stigma croci flower bud differentiation and filament extension, and can also emit yellow light with different intensities, so that the LED lamp can emit white light with the color rendering index Ra being more than 85, the color tolerance Duv being close to black-body radiation rays in the range of +/-0.005 and the color temperature being adjustable in a large range; and the growth condition of the stigma croci on the planting frame can be conveniently and manually observed or automatically detected. The problem that existing indoor stigma croci planting excessively depends on natural illumination is solved, the lamp has the advantages of being low in power density, good in heat dissipation performance, high in radiation efficiency, low in cost, adjustable in spectrum and the like, and indoor planting of stigma croci and manual or automatic observation are facilitated.

The invention discloses a novel quartz metal halide lamp, which comprises an arc tube, a nickel sleeve, a ceramic tube, a bracket, a first molybdenum piece component, a second molybdenum piece component, a getter piece, a quartz tube and a lamp cap, wherein the nickel sleeve is sleeved at one end of an arc; the ceramic tube is sleeved on the bracket; the nickel sleeve is in spot welding connection with one end of the bracket; the other end of the bracket is in spot welding connection with the first molybdenum piece component; the bracket is in spot welding connection with the getter piece; the other end of the arc tube is in spot welding connection with the second molybdenum piece component; the first molybdenum piece component and the second molybdenum piece component are sealed in a base of the quartz tube through glass; and the first molybdenum piece component and the second molybdenum piece component are fixed on the lamp cap. The invention has the characteristics that the novel quartz metal halide lamp is reasonable in structure, and working environment temperature and tube wall load are reduced so that the novel quartz metal halide lamp is long in life; and the aim of high lumen maintenance is fulfilled.

An HID arc tube, a manufacture method thereof, an illumination device and an illumination system are provided. The manufacture method for HID arc tube includes: forming a bulb shell which includes a discharge cavity (5) and outer shells (1) extending from two ends of the discharge cavity (5) respectively, wherein forming a conical hollow location part (11) neighboring the discharge cavity (5) in the outer shell (1). The outer diameter and the inner diameter of the hollow location part (11) decrease synchronously and gradually along the direction to the discharge cavity (5), and the thickness of the tube wall does not change. An electrode location part (9) with a shape of trapezoid and cone is formed, and the electrode location part has a conical surface which can tightly combine with the hollow location part (11), and the electrode location part can be used to fix the electrode (8) and make the electrode (8) enter into the discharge cavity (5) with a predetermined length (L) when the electrode location part (9) is tightly combined with the hollow location part (11). The electrode location part, on which the electrode (8) is fixed, enters into the hollow location part (11), and tight combination between the electrode location part (9) and the hollow location part (11) is realized. The method can make the arc tube have accurate electrode space, improve the vacuum and cold junction temperature, and improve the luminous efficiency, lifetime, and consistency of the product.