摘要:
A high-pressure discharge lamp is characterized by including a translucent airtight container having a discharging space in an internal portion, electrodes for causing discharge in the discharging space of the translucent airtight container, and an ionization medium sealed in the translucent airtight container and containing a metal halide and rare gas, the metal halide including at least one type of halides of thulium and holmium whose sealing ratio with respect to the total amount of sealed metal halides is not lower than 30 mass % and the rare gas is xenon at not lower than 3 atm at 25° C., and the high-pressure discharge lamp is characterized in that mercury and a metal halide for formation of lamp voltage are not substantially contained in the translucent airtight container.
摘要:
A high-pressure discharge lamp includes a translucent ceramic discharge vessel having a surrounding part formed of translucent ceramic, and a pipe connected to the surrounding part, formed of translucent ceramic having an average crystal particle size of 50 μm or less in a region close to an intended sealing portion, and having a smaller diameter than the surrounding part. A current introducing conductor is inserted into the pipe of the translucent ceramic discharge vessel, and is sealed at least by a sealing portion formed by fusion of the translucent ceramic in the pipe. An electrode is connected to and disposed in the current introducing conductor in the translucent ceramic discharge vessel. A discharge medium is sealed in the translucent ceramic discharge vessel.
摘要:
The present invention provides a high-pressure discharge lamp in which a seal part between the translucent ceramics discharge vessel and the current introducing conductor has an improved sealing capability, as well as a high-pressure discharge lamp operating apparatus and an illuminating apparatus which use the high-pressure discharge lamp. A high-pressure discharge lamp MHL includes a translucent ceramics discharge vessel 1 having an opening 1b, a current introducing conductor 2 inserted into and sealed to the opening, electrodes 3 connected to the current introducing conductor 2 and sealed in the translucent ceramics discharge vessel, and a discharge medium. The sealing of the current introducing conductor is provided by the fusion of ceramics in the opening of the translucent ceramics discharge vessel or/and a material of the same quality as that of a material of a part of the current introducing conductor which is opposite the opening.
摘要:
This invention provides a metal halide lamp and a lighting equipment that, despite the fact that mercury is not filled, can provide electrical characteristics comparable with a mercury-contained metal halide lamp and can provide luminescent characteristics favorably comparable with the mercury-contained metal halide lamp. A metal halide lamp MHL includes a hermetically sealed vessel 1, a pair of electrodes 2, and a discharge medium filled in the hermetically sealed vessel. The discharge medium contains a first halide, a second halide, and a rare gas. The first halide is composed mainly of a halide of a luminescent metal and contains a halide of thulium (Tm) filled at the highest filling ratio in all of metal halides filled in the hermetically sealed vessel, and the content of an alkali metal halide in the first halide is less than 10% by mass at the highest. The second halide is composed mainly of a metal halide for constituting a lamp voltage, and the content of the second halide is 5 to 20% by mass with respect to all of the metal halides filled in the hermetically sealed vessel. The discharge medium is substantially free from mercury.
摘要:
A mercury-free high-pressure discharge lamp includes a light-transmissive airtight envelope enclosing therein a discharge space, and a pair of electrodes sealed inside the light-transmissive airtight envelope and facing the discharge space, and the primary halide includes at least thulium bromide having an innumerable emission spectrum primarily around the peak of a luminosity curve and alkali metal halide, and the accessory halide contains one or more metal halides mostly selected from a group of Magnesium (Mg), Iron (Fe), Cobalt (Co), Chromium (Cr), Zinc (Zn), Nickel (Ni), Manganese (Mn), Aluminum (Al), Antimony (Sb), Bismuth (Bi), Beryllium (Be), Rhenium (Re), Gallium (Ga), Titanium (Ti), Zirconium (Zr), and Hafnium (Hf) which primarily contribute to fix lamp voltage.
摘要:
A mercury-free high-pressure discharge lamp includes a light-transmissive airtight envelope enclosing therein a discharge space, and a pair of electrodes sealed inside the light-transmissive airtight envelope and facing the discharge space, and the primary halide includes at least thulium bromide having an innumerable emission spectrum primarily around the peak of a luminosity curve and alkali metal halide, and the accessory halide contains one or more metal halides mostly selected from a group of Magnesium (Mg), Iron (Fe), Cobalt (Co), Chromium (Cr), Zinc (Zn), Nickel (Ni), Manganese (Mn), Aluminum (Al), Antimony (Sb), Bismuth (Bi), Beryllium (Be), Rhenium (Re), Gallium (Ga), Titanium (Ti), Zirconium (Zr), and Hafnium (Hf) which primarily contribute to fix lamp voltage.
摘要:
Disclosed is a high-pressure discharge lamp includes a translucent ceramics sealed container provided with an enclosed part with a discharge space formed therein, a pair of electrodes disposed inside of both end parts of the translucent sealed container, an ionization medium having a structure containing a metal halide that primarily emits light, a starting gas and substantially no mercury, the metal halide that primarily emits light including 30% by mass or more of a halide of at least one lanthanoid type rare earth metal and the starting gas having a pressure P (atm) satisfying the equation, 1≦P≦20, the ionization medium being sealed in the translucent ceramics sealed container, wherein the ratio D/G satisfies the equation, 0.3≦D/G≦2.4 when the maximum inside diameter of the translucent ceramics sealed container is D and the inter-electrode distance is G.
摘要翻译:公开了一种高压放电灯,包括设置有形成有放电空间的封闭部分的半透明陶瓷密封容器,设置在半透明密封容器的两个端部内部的一对电极,具有包含 主要发光的金属卤化物,起始气体和基本上不含汞,主要发射包含至少一种镧系稀土金属的卤化物的30质量%以上的金属卤化物和具有压力P( atm)满足方程式,1 <= P <= 20,将电离介质密封在半透明陶瓷密封容器中,其中D / G的比率满足方程式,当最大内径为0.3 <= D / G <= 2.4时 半透明陶瓷密封容器为D,电极间距为G.
摘要:
A high-pressure discharge lamp comprising a translucent airtight container having a discharge space therein, a pair of electrodes sealed in the airtight container, the electrodes having an inter-electrode distance D of 2 mm or less and facing the discharge space, and an ionizing medium sealed in the airtight container and substantially being mercury-free while it contains thulium (Tm) halide, zinc (Zn) halide and rare gas, the zinc (Zn) halide being less than 20% to 90% by mass of all metal halides sealed in the airtight container, wherein a ratio V1/D of a lamp voltage V1 (V) to the inter-electrode distance D (mm) satisfies the following formula. 20
摘要:
According to one embodiment, a light emitting device includes a substrate, a lead pattern and a plurality of mounting pads, and a plurality of light emitting elements. The substrate includes an insulating layer. The lead pattern and the plurality of mounting pads are formed on a surface of the substrate. The lead pattern and the plurality of mounting pads are conductive. The plurality of mounting pads are configured not to electrically conduct. The lead pattern is configured to electrically conduct. The plurality of light emitting elements are mounted on the mounting pads and electrically connected to the lead pattern.