CN100372050C - Cold cathode decorative lamp and cold cathode fluorescent lamp tube - Google Patents
Cold cathode decorative lamp and cold cathode fluorescent lamp tube Download PDFInfo
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- CN100372050C CN100372050C CNB2004100651475A CN200410065147A CN100372050C CN 100372050 C CN100372050 C CN 100372050C CN B2004100651475 A CNB2004100651475 A CN B2004100651475A CN 200410065147 A CN200410065147 A CN 200410065147A CN 100372050 C CN100372050 C CN 100372050C
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- 239000011521 glass Substances 0.000 claims abstract description 128
- 238000005034 decoration Methods 0.000 claims description 47
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000005357 flat glass Substances 0.000 claims description 16
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- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
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- 239000011261 inert gas Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000645 Hg alloy Inorganic materials 0.000 claims description 4
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 4
- XPKUFSDFFJLEMC-UHFFFAOYSA-N [Hg].[Ti] Chemical compound [Hg].[Ti] XPKUFSDFFJLEMC-UHFFFAOYSA-N 0.000 claims description 4
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims description 4
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- 239000011265 semifinished product Substances 0.000 description 3
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Abstract
The present invention relates to a cold cathode decorative lamp and a cold cathode fluorescent lamp tube thereof. The lamp tube of the present invention has an integral glass lamp tube, a glass tube main body of the glass lamp tube is provided with two spiral bodies which basically present a cylindrical shape, and each pin of the glass lamp tube extends naturally along a tangential direction of a spiral body corresponding to the glass tube main body. The decorative lamp of the present invention is provided with a screw port and a contact pin type or a bayonet type electric connecting part, wherein the screw port is connected with commercial power. A power source circuit device is fixed in a cavity surrounded by an upper cover and a shell, and a reflecting cover is fixed at the lower part of the shell or in the shell; the cold cathode fluorescent lamp tube is fixed on the shell and positioned in the reflecting cover. The electric connecting part is electrically connected with the input end of the power source circuit device through a conducting wire, and the output end of the power source circuit device is connected with an electrode lead of the cold cathode fluorescent lamp. The power source circuit device is a device which can convert the power source of the commercial power into a high frequency high voltage power source. The decorative lamp of the present invention has the advantages of fast lighting, high efficiency and energy saving, which can satisfy requirements of built-in lighting.
Description
Technical field
The present invention relates to a kind of decorative lamp and can be used for the fluorescent tube of this decorative lamp.
Background technology
Existing cold cathode decoration lamp, the effect of existing illumination also has decorative effect.As embedded lamp below the hanging cupboard above the composite type desk, form the localized lighting of hiding, goods showing cabinet in the commercial building and the showpiece showcase in the museum, the also standing light fixture that specially showpiece is shone of putting is to strengthen gloss, texture, the third dimension of showpiece, enhance attraction, strengthened aesthetic, be provided with reflector around the fluorescent tube of this light fixture, light forwards penetrates, so can be described as decorative lamp, and embedded decorative lamp can be described as shot-light.The halogen tungsten quartz bulb that the fluorescent tube of decorative lamp adopts usually, thereby have a series of problems such as the lamp body temperature is higher, luminous efficiency is lower, power consumption is big, bulb life is short, use cost height.And existing cathode fluorescent tube forms by being filled with the sealing glass-tube that certain inert gas and mercury solution drip and the electrode at glass-tube two ends, scribbles the fluorescent material of certain ingredients at the inwall of glass-tube.The quartzy decorative lamp of cathode fluorescent tube and incandescent lamp, Halogen lamp LED or halogen tungsten is compared to have energy-conservation and advantage such as luminous efficiency is higher, the lamp body temperature is lower, but because of the shape of cathode fluorescent tube generally has only linear and broken line shape etc., so be not suitable for decorative lamp.Though relevant document discloses the fluorescent lamp of the cathode fluorescent tube that adopts double helix, these fluorescent lamps or still be not suitable for decorative lamp, perhaps result of use is bad even can't implement.Wherein, Chinese patent application 02283181.9 discloses a kind of cold-cathode fluorescence lamp, and this lamp needs external support and transformer, and volume is bigger, can not adapt to the needs of embedded type light fixture.Chinese patent application 02242544.6 provides a kind of cold cathode shot-light.Description according to this patent application document, this cold-cathode fluorescent shot-light can be used as decorative lamp, the fluorescent tube of this shot-light can be spiral type, by its Fig. 1 as can be known, the pin of the fluorescent tube of this spiral type and the main body of helical type lamp form the bending angle of about 90 degree, be that pin parallels with the direction of the axis of the main body of helical type lamp, thereby can the be known as a kind of helical type lamp of structure of semi-spiral of the fluorescent tube of this structure, too many break in the fluorescent tube of this structure and can not make fluorescent material evenly be coated on the tube inner wall, and bring fluorescent tube processing technology complexity, the problem that rate of finished products is low, if will improve the diameter that rate of finished products then needs the overstriking fluorescent tube, also because break is too many in the fluorescent tube, and problem such as the startability of shot-light is not good when exist using; Also mention its electric connector and can connect external power in this patent documentation, this external power is connected to " driver " in the shot-light, lights fluorescent tube by the voltage of driver output again; But this application is not launched to describe to driver, and what kind of power supply does not also clarify external power is, makes that this area those skilled in the art are difficult to realize.
Summary of the invention
Light cold cathode decoration lamp and cathode fluorescent tube thereof fast, efficient energy-saving when the purpose of this invention is to provide a kind of the use.
Realize that a kind of cathode fluorescent tube technical scheme that provides in the object of the invention is: this cathode fluorescent tube has electrode, contact conductor and sealed glass fluorescent tube; Glass lamp is the fluorescent tube of integral type; Glass lamp is made of glass-tube main body and two pins, and the glass-tube main body of glass lamp is cylindrical substantially double helix; Be adhesively fixed with the cold-cathode fluorescent bisque on the whole inwall of the glass-tube main body of glass lamp, be filled with inert gas in the sealed at both ends and glass lamp of glass lamp; Electrode has 2, and each electrode all is arranged in the glass lamp and each electrode is positioned at the corresponding pipe end of glass lamp, and contact conductor is welded on the electrode and draws outside the glass lamp; Its design feature is: each pin of glass lamp extends naturally along a corresponding spirochetal tangential direction of glass-tube main body.
A kind of specification of above-mentioned glass lamp is that the glass-tube diameter phi of glass-tube main body is 3.6 to 4.6 millimeters, and the outside diameter d of the double helix of glass-tube main body is 18.0 to 26.5 millimeters, highly h is 20 to 25 millimeters, and the length of two pins of glass lamp is 10 to 15 millimeters; The glass-tube diameter phi that second kind of specification of above-mentioned glass lamp is the glass-tube main body is 4.7 to 6.5 millimeters, and the outside diameter d of the double helix of glass-tube main body is 28 to 34 millimeters, highly h is 22 to 30 millimeters, and the length of two pins of glass lamp is 10 to 15 millimeters; The third specification of above-mentioned glass lamp is that the glass-tube diameter phi of glass-tube main body is 4.7 to 6.5 millimeters, and the outside diameter d of the double helix of glass-tube main body is 35 to 48 millimeters, highly h is 31 to 40 millimeters, and the length of two pins of glass lamp is 15 to 25 millimeters.The glass-tube main body makes by the mode of the fixed fluorescent powder aftershaping that bonds earlier.Above-mentioned electrode is a compound electrode, and electrode has the plating nickel on surface iron plate as substrate, and one in two surfaces of plating nickel on surface iron plate is hair side, and another is the light face; The hair side of plating nickel on surface iron plate is provided with the zirconium alloy layer, and the light face is provided with titanium mercury alloy layer.
Realize that the technical scheme that a kind of cold cathode decoration lamp is provided in the object of the invention is: this cold cathode decoration lamp has electrical connection section, loam cake, shell, cathode fluorescent tube and reflection shield; Electrical connection section is screw socket, contact pin type or bayonet type electrical connection section; Cathode fluorescent tube has glass lamp, electrode and contact conductor; Glass lamp is the fluorescent tube of integral type; Glass lamp is made of glass-tube main body and two pins, and the glass-tube main body of glass lamp is cylindrical substantially double helix; Be adhesively fixed with the cold-cathode fluorescent bisque on the whole inwall of the glass-tube main body of glass lamp, be filled with inert gas in the sealed at both ends and glass lamp of glass lamp; Electrode has 2, and each electrode all is arranged in the glass lamp and each electrode is positioned at the corresponding pipe end of glass lamp, and contact conductor is welded on the electrode and draws outside the glass lamp; Electrical connection section is fixed on and covers, and is positioned at the top of loam cake; Shell is positioned at the below of loam cake, and fixedlys connected with loam cake; Its design feature is: also have power circuit device; Power circuit device is the device that mains supply can be converted to the required high-frequency and high-voltage power supply of cathode fluorescent tube work, and power circuit device is fixed in the cavity that loam cake and shell surround; Reflection shield is fixed on outer casing underpart or is fixed in the shell, cathode fluorescent tube is fixed on the shell, and be arranged in reflection shield, electrical connection section is electrically connected by lead with the input of power circuit device, and the high-frequency high-voltage source output terminal of power circuit device is electrically connected with the contact conductor of cathode fluorescent tube; The glass-tube main body of glass lamp makes by the mode of the fixed fluorescent powder aftershaping that bonds earlier, and each pin of glass lamp extends naturally along a corresponding spirochetal tangential direction of glass-tube main body.
A kind of concrete form of above-mentioned cold cathode decoration lamp is also can have sheet glass; Reflection shield is for having paraboloidal metal reflective bowl, and the top of this metal reflective bowl is provided with the fluorescent tube hole, and inner surface is a burnishing surface; It is outer and be fixed in the shell that the metal reflective bowl covers on the glass-tube main body of cathode fluorescent tube; Sheet glass is adhesively fixed on the bottom of shell.
The another kind of form of above-mentioned cold cathode decoration lamp is also can have sheet glass and retainer plate; Reflection shield is the metal reflective bowl that the top is provided with the fluorescent tube hole, and the inner surface of this metal reflective bowl is coated with the metal reflective layer; The metal reflective bowl is fixed in the shell and covers on outside the glass-tube main body of cathode fluorescent tube; Sheet glass is adhesively fixed on the retainer plate bottom; Retainer plate is fixed on the bottom of shell.
The third concrete form of above-mentioned cold cathode decoration lamp is also can have sheet glass; Reflection shield is the glass reflector that the top is provided with the fluorescent tube hole, and this glass reflector is bonded and fixed at the bottom of shell and covers on outside the glass-tube main body of cathode fluorescent tube; Sheet glass is adhesively fixed on the bottom of glass reflector.
In the above-mentioned various cold cathode decoration lamp, preferred loam cake and shell are the integrated through injection molding part that flame retardant plastics is made; Its shell can be that top is provided with the cross one another two blocks of arrangement plates that are arranged in the chamber, and left side mounting panel wherein is provided with by the low mode in preceding high back, and the mounting panel on right side is provided with by low early and high after mode, lays socket thereby form two; Each pin of glass lamp is plugged in the shell by laying socket accordingly, and contacts with the upper surface of the mounting panel of a corresponding side, and is adhesively fixed on this mounting panel; The lower surface of left side mounting panel and right mounting panel has the reflector respectively, and the reflector is metal-plated rete or reflective sheeting.
Above-mentioned power circuit device has bridge rectifier, filter circuit, high frequency square wave generation circuit, booster circuit and the resonance output circuit that is electrically connected successively.
A kind of specification of above-mentioned cold cathode decoration lamp is that maximum outside diameter D is 48 to 51 millimeters, and height H is 78 to 80 millimeters; This decorative lamp can be used as shot-light; And the glass-tube diameter phi of the glass-tube main body of the glass lamp of the cathode fluorescent tube corresponding with it is 3.6 to 4.6 millimeters, the outside diameter d of the double helix of glass-tube main body is 18.0 to 26.5 millimeters, highly h is 20 to 25 millimeters, and the length of two pins of glass lamp is 10 to 15 millimeters.Second kind of specification of above-mentioned cold-cathode fluorescent spiral shell decorative lamp is that maximum outside diameter D is 58 to 70 millimeters, and height H is 81 to 90 millimeters; The glass-tube diameter phi of the glass-tube main body of the glass lamp of cathode fluorescent tube corresponding with it is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body is 28 to 34 millimeters, highly h is 22 to 30 millimeters, and the length of two pins of glass lamp is 10 to 15 millimeters.The third specification of above-mentioned cold-cathode fluorescent spiral shell decorative lamp is that maximum outside diameter D is 80 to 110 millimeters, and height H is 100 to 120 millimeters; The glass-tube diameter phi of the glass-tube main body of the glass lamp of cathode fluorescent tube corresponding with it is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body is 35 to 48 millimeters, highly h is 31 to 40 millimeters, and the length of two pins of glass lamp is 15 to 25 millimeters.
The present invention has positive effect: (1) cathode fluorescent tube of the present invention is a kind of complete screw type cathode fluorescent tube, and promptly each pin of glass lamp extends naturally along a corresponding spirochetal tangential direction of glass-tube main body.When lighting fluorescent tube, high pressure is more or less freely to exciting of mercuryvapour in use for the cathode fluorescent tube of this structure, so light fast.(2) because of power circuit device of the present invention is the device that mains supply can be converted to the required high-frequency and high-voltage power supply of cathode fluorescent tube work, so cold cathode decoration lamp of the present invention can directly be power supply with the civil power.(3) glass lamp of the present invention makes by the mode of the fixed fluorescent powder aftershaping that bonds earlier, thereby not only production technology is simple, cost is lower, and can adopt the glass tube than minor diameter is the material of glass lamp, and then can make the external diameter of glass-tube main body of the double helix bodily form of glass lamp less, that thereby the volume of cathode fluorescent tube can be done is less, so can directly apply in the shot-light.(4) cold cathode decoration lamp of the present invention does not generate heat substantially, and suitable long-time continuous is lighted, and the surface brightness 〉=20000cd/cm of decorative lamp
2, thereby luminous efficiency is higher; Be about 5 times of common MR16 type Halogen lamp LED the service time of cold cathode decoration lamp of the present invention, thereby useful life is long, cold cathode decoration lamp of the present invention only consumes about 4 watts to 8 watts thereby energy consumption is less and integrated cost is also lower, can substitute present use with the decorative lamp of halogen tungsten fluorescent tube as light source, be widely used in family and the commercial decorative lighting.
Description of drawings
Fig. 1 is the schematic perspective view of the cathode fluorescent tube of the embodiment of the invention 1 and embodiment 2.
Fig. 2 is the schematic perspective view during from the beneath of Fig. 1.
Fig. 3 is a kind of structural representation of electrode used therein in the cathode fluorescent tube of Fig. 1.
Fig. 4 is the schematic perspective view of the cathode fluorescent tube of the embodiment of the invention 3.
Fig. 5 is the schematic perspective view during from the beneath of Fig. 4.
Fig. 6 is the schematic perspective view of the cathode fluorescent tube of the embodiment of the invention 4 to embodiment 6.
Fig. 7 is the schematic perspective view during from the beneath of Fig. 6.
Fig. 8 is the schematic perspective view of the cathode fluorescent tube of the embodiment of the invention 7 to embodiment 9.
Fig. 9 is the schematic perspective view during from the beneath of Fig. 8.
Figure 10 is the schematic perspective view of the cold cathode decoration lamp of the embodiment of the invention 10 to embodiment 12.
Figure 11 is the perspective exploded view of Figure 10.
Figure 12 is the A-A cross-sectional schematic of Figure 10.
Figure 13 is the schematic perspective view of shell among Figure 10.
Figure 14 is the schematic perspective view during from Figure 13 beneath.
Figure 15 is the block diagram of power circuit device among Figure 10.
Figure 16 is a kind of electrical schematic diagram of Figure 15.
Figure 17 is the structural representation of the embodiment of the invention 13 to embodiment 15 cold cathode decoration lamps.
Figure 18 is the schematic perspective view of structure of the cold cathode decoration lamp of the embodiment of the invention 16 to embodiment 18.
Figure 19 is the perspective exploded view of Figure 18.
Figure 20 is the B-B cross-sectional schematic of Figure 18.
Figure 21 is the schematic perspective view of the cold cathode decoration lamp of the embodiment of the invention 19 to embodiment 21.
Figure 22 is the perspective exploded view of Figure 21.
Figure 23 is the C-C cross-sectional schematic of Figure 21.
Figure 24 is the schematic perspective view of the cold cathode decoration lamp of the embodiment of the invention 22.
Figure 25 is the perspective exploded view of Figure 24.
Figure 26 is the D-D cross-sectional schematic of Figure 25.
Figure 27 is the schematic perspective view of the cold cathode decoration lamp of the embodiment of the invention 23 to embodiment 25.
Figure 28 is the perspective exploded view of Figure 27.
Figure 29 is the E-E cross-sectional schematic of Figure 27.
Figure 30 is the schematic perspective view of the cold cathode decoration lamp of the embodiment of the invention 26 to embodiment 28.
Figure 31 is the perspective exploded view of Figure 30.
Figure 32 is the F-F cross-sectional schematic of Figure 30.
Embodiment
(embodiment 1 and embodiment 2, cathode fluorescent tube)
See Fig. 1 and Fig. 2, the cathode fluorescent tube 4 of embodiment 1 and embodiment 2 all has electrode 42, contact conductor 44 and sealed glass fluorescent tube 41; Glass lamp 41 is the fluorescent tube of integral type; Glass lamp 41 is made of glass-tube main body 41-1 and two pin 41-2, and the glass-tube main body 41-1 of glass lamp 41 is a double helix; Each pin 41-2 of glass lamp 41 extends naturally along the corresponding spirochetal tangential direction of glass-tube main body 41-1.Be adhesively fixed with phosphor powder layer 43 on the whole inwall of the glass-tube main body 41-1 of glass lamp 41, be filled with the mist of argon gas and two kinds of inert gases of neon in the sealed at both ends and glass lamp 41 of glass lamp 41; Electrode 42 has 2, and each electrode 42 all is arranged in the glass lamp 41 and each electrode 42 is positioned at the corresponding pipe end of glass lamp 41, and contact conductor 44 is welded on the electrode 42 and draws outside the glass lamp 41.The numerical value determined of the glass-tube diameter phi of the glass-tube main body 41-1 of glass lamp 41 in 3.6 to 4.6 millimeters scopes, selecting, embodiment 1 is 4.1 millimeters, embodiment 2 is 4.6 millimeters; The numerical value determined of the outside diameter d of the double helix of glass-tube main body 41-1 in 18.0 to 26.5 millimeters scopes, selecting, embodiment 1 is 25.2 millimeters, embodiment 2 is 26.5 millimeters; The numerical value determined of the height h of double helix in 20 to 25 millimeters scopes, selecting, embodiment 1 is 23.2 millimeters, embodiment 2 is 25 millimeters.The length of two pin 41-2 can be selected a length of determining in 10 to 15 millimeters scope, embodiment 1 is 12 millimeters, and embodiment 2 is 15 millimeters.
See Fig. 3, electrode 42 is a compound electrode, and electrode 42 has the plating nickel on surface iron plate 42-1 as substrate, and one in two surfaces of plating nickel on surface iron plate is hair side, and another is the light face; Be adhesively fixed with the zirconium alloy layer on the hair side of plating nickel on surface iron plate, be adhesively fixed with titanium mercury alloy layer on the light face.
The course of processing of bonding fixed fluorescent powder layer 43 is on the whole inwall of the glass-tube main body 41-1 of cathode fluorescent tube: 1. prepare phosphor suspension.Phosphor suspension has following Main Ingredients and Appearance: three primary colors fluorescent powder, aluminium oxide, binding agent, surface dispersant, deionized water, froth breaking surfactant and pH value conditioning agent; Binding agent wherein can be the polyoxyethylene aqueous solution, also can be the polyoxy ethane aqueous solution; The pH conditioning agent is an ethanolamine solutions.2. the phosphor suspension for preparing is injected the glass tube of straight shape with pressure measuring cylinder, glass tube is holded up again and made unnecessary phosphor suspension flow out glass tube downwards, remaining phosphor suspension is then on the inwall attached to glass tube.The glass tube that 3. will be coated with fluorescent material moves in the baking oven, and oven temperature is slowly risen to 450 ℃ by room temperature, and insulation one hour under this temperature, again oven temperature is reduced to room temperature gradually, and makes on the firm inwall that is bonded and fixed at glass tube of phosphor powder layer 43.
The course of processing of preparation cathode fluorescent tube 4 is: 1. will smoke the glass straight tube of finishing and be bent into double spiral glass tube with special-purpose bending machine under heated condition, and form double helix shape glass-tube main body 41-1 and be the pin that tangential direction is provided with double helix shape glass-tube main body 41-1, the unnecessary part of pin clipped then make double spiral glass tube, the pin of this moment is the pin of opening.2. respectively put into the electrode 42 of a spot welding leaded 44 at the two ends of double spiral glass tube; End sealing by fusing under flame with double spiral glass tube.The double spiral glass tube that 3. will have an electrode and an end closure burns with the unsealed other end goes up exhaust station exhaust (just be connected back with flame softening with the glass exhaust tube by flame softening on the exhaust station this port and connect), after finishing, exhaust charges into neon and argon gas, then double spiral glass tube is burnt exhaust station down, remove unnecessary glass-tube, finish encapsulation, and obtain the fluorescent tube semi-finished product.4. with the semi-finished product light tube jacket in the high frequency coil of High-frequency machine, mode by electromagnetic induction makes the zirconium alloy layer of the electrode 42 in the cathode fluorescent tube 4 absorb unnecessary gas in the semi-finished product fluorescent tube, and the mercury in the titanium mercury alloy layer is released in the fluorescent tube, lighted until fluorescent tube.5. send agingtable with fluorescent tube, aging two hours, after check, can put in storage again.
This technology has reduced fills the mercury operation, reduced produce and use in to the pollution of environment; The step that is coated with fluorescent material is put into before the curved helix tube, has not only reduced the difficulty that in glass-tube, applies fluorescent material, and improved the rate of finished products of fluorescent tube.
(embodiment 3, cathode fluorescent tube)
See Fig. 4 and Fig. 5, all the other are identical with embodiment 1, and difference is: the glass-tube diameter phi of the glass-tube main body 41-1 of glass lamp 41 is 3.6 millimeters, and the outside diameter d of the double helix of glass-tube main body 41-1 is 18.0 millimeters, highly h is 20 millimeters.The length of two pin 41-2 of glass lamp 41 is 10 millimeters.
(embodiment 4 to embodiment 6, cathode fluorescent tube)
See Fig. 6 and Fig. 7, the remainder of embodiment 4 to embodiment 6 is identical with embodiment 1, difference is: the numerical value determined of the glass-tube diameter phi of the glass-tube main body 41-1 of glass lamp 41 for selecting in 4.7 to 6.5 millimeters scopes, embodiment 4 is 6 millimeters, embodiment 5 is 4.7 millimeters, and embodiment 6 is 6.5 millimeters; The numerical value determined of the outside diameter d of the double helix of glass-tube main body 41-1 in 28 to 34 millimeters scopes, selecting, embodiment 4 is 30 millimeters, and embodiment 5 is 28 millimeters, and embodiment 6 is 34 millimeters; The numerical value determined of the height h of double helix in 22 to 30 millimeters scopes, selecting, embodiment 4 is 25 millimeters, and embodiment 5 is 22 millimeters, and embodiment 6 is 30 millimeters; The numerical value determined of the length of two pin 41-2 of glass lamp 41 in 10 to 15 millimeters scopes, selecting, embodiment 4 is 13 millimeters, and embodiment 5 is 10 millimeters, and embodiment 6 is 15 millimeters.
(embodiment 7 to embodiment 9, cathode fluorescent tube)
See Fig. 8 and Fig. 9, all the other are identical with embodiment 1, and difference is: the numerical value determined of the glass-tube diameter phi of the glass-tube main body 41-1 of glass lamp 41 in 4.7 to 6.5 millimeters scopes, selecting, and embodiment 7 is 6 millimeters, embodiment 8 is 4.7 millimeters, and embodiment 9 is 6.5 millimeters; The numerical value determined of the outside diameter d of the double helix of glass-tube main body 41-1 in 35 to 48 millimeters scopes, selecting, embodiment 7 is 43 millimeters, and embodiment 8 is 35 millimeters, and embodiment 9 is 48 millimeters; The numerical value determined of the height h of double helix in 31 to 40 millimeters scopes, selecting, embodiment 7 is 38 millimeters, and embodiment 8 is 31 millimeters, and embodiment 9 is 40 millimeters; The length of two pin 41-2 of glass lamp 41 can be selected a length of determining in 15 to 25 millimeters scope, embodiment 7 is 20 millimeters, and embodiment 8 is 15 millimeters, and embodiment 9 is 25 millimeters.
(embodiment 10 to embodiment 12, cold cathode decoration lamp)
See Figure 10 to Figure 12, the cold cathode decoration lamp of embodiment 10 to embodiment 12 all has electrical connection section 1, loam cake 2, shell 3, cathode fluorescent tube 4, reflection shield 5, power circuit device 6 and sheet glass 71.
Still see Figure 10 to Figure 12, electrical connection section 1 is the screw type electrical connection section, specifically adopts E27 type screw cap.Loam cake 2 is made for the PBT flame retardant plastics, is the integrated through injection molding part.Several louvres 21 are arranged on the loam cake 2; The inner surface of loam cake 2 bottoms is provided with annular groove.
See Figure 13 to Figure 14, shell 3 is also made for the PBT flame retardant plastics, is the integrated through injection molding part.Shell 3 outer surface of cupular part are provided with the annular protrusion that annular groove on the inner surface with loam cake 2 bottoms has matching relationship, shell 3 tops are provided with the cross one another two blocks of arrangement plates 31,32 that are arranged in the chamber, left side mounting panel 31 wherein is provided with by the low mode in preceding high back, the mounting panel on right side is provided with by low early and high after mode, lays socket 33 thereby form two; The lower surface of mounting panel 31,32 posts the reflective sheeting as reflector 31-1,32-1.
Still see Figure 10 to Figure 12, reflection shield 5 is for having paraboloidal metal reflective bowl, and the top of this metal reflective bowl 5 is provided with the fluorescent tube hole, and inner surface 51 is silver-plated reflective surface.
Still see Figure 10 to Figure 12, E27 type screw cap 1 and loam cake 2 are mutually permanently connected by screw thread, and E27 type screw cap 1 is positioned at the top of loam cake 2; Shell 3 is positioned at the below of loam cake 2, and loam cake 2 is fastened mutually with shell 3 by the annular protrusion of its annular groove and shell 3 and links together.The cathode fluorescent tube 4 of embodiment 10 and embodiment 11 is obtained by embodiment 1, the cathode fluorescent tube 4 of embodiment 12 is obtained by embodiment 2, two pins of cathode fluorescent tube 4 screw in laying in the socket 33 of shell 3 tops, and be fixed on the corresponding mounting panel 31,32, thereby cathode fluorescent tube 4 is fixed on the shell 3 with insulating cement.It is outer and be embedded in the shell 3 that metal reflective bowl 5 covers on the glass-tube main body 41-1 of cathode fluorescent tube 4, the bottom of the bottom of metal reflective bowl 5 and shell 3 is in contact with one another, and sheet glass 71 is adhesively fixed on the bottom of shell 3 and is fixed together with the bottom adhesive of metal reflective bowl 5 simultaneously by binding agent.E27 type screw cap 1 is electrically connected by lead 8 with the input of power circuit device 6, power circuit device 6 is fixed in the cavity that loam cake 2 and shell 3 surround, and the high-frequency and high-voltage power supply output of power circuit device 6 is electrically connected with the contact conductor 44 of cathode fluorescent tube 4.The numerical value determined of the height H of cold cathode decoration lamp in 78 to 80 millimeters scopes, selecting, embodiment 10 is 79 millimeters, and embodiment 11 is 78 millimeters, and embodiment 12 is 80 millimeters; The numerical value determined of the maximum outside diameter D of cold cathode decoration lamp in 48 to 51 millimeters scopes, selecting, embodiment 10 is 49.8 millimeters, and embodiment 11 is 48 millimeters, and embodiment 12 is 51 millimeters.
See Figure 15, power circuit device 6 is the devices that mains supply can be converted to the required high-frequency and high-voltage power supply of cathode fluorescent tube 4 work, and power circuit device 6 has bridge rectifier 61, filter circuit 62, high frequency square wave generation circuit 63, booster circuit 64 and the resonance output circuit 65 that is electrically connected successively.
See Figure 16, power circuit device 6 is electric power conversion apparatus, the external 220V electric main of being sent here by lead 8 by E27 type screw cap 1 can be converted to the required high-frequency high-voltage of cathode fluorescent tube 4 work.After the energized, alternating voltage is added to two inputs of the bridge rectifier of being made up of diode D1 to D4 61 through fuse, after rectification, export by two outputs of bridge rectifier, the π shape filter circuit of forming via capacitor C 1, C2 and inductance L 62 carries out filtering again, and output dc voltage uses for high frequency square wave generation circuit 63 then.High frequency square wave generation circuit 63 is made up of coil L1, the L2 among triode VT1, VT2, resistance R 1, R2, R7, R8, capacitor C 5, C6, C7 and the transformer T1; In the time of after high frequency square wave generation circuit 63 energized, direct voltage makes the base stage of triode VT2 biasing arranged and conducting through resistance R 1, R2, R8, coil L2 and capacitor C 7, flows through electric current among the coil L2 of transformer T1 at this moment; Because the relation of the coiling direction of the coil L1 of transformer T1 and L2, when coil L2 produces negative voltage then coil L1 produce positive voltage.The negative value that goes up negative voltage along with coil L2 increases, then the base potential of triode VT2 constantly reduces, after dropping to certain potentials, then triode VT2 by, meanwhile, along with the increase that coil L1 goes up positive voltage, then the base potential of triode VT1 constantly increases, after increasing to a certain degree, then triode VT1 conducting.After the triode VT1 conducting, then flow through electric current among the coil L1 of transformer T1, this electric current makes coil L1 produce negative voltage, makes coil L2 produce positive voltage simultaneously, thus make again triode VT1 by, make triode VT2 conducting.So repeatedly, under the situation of selecting suitable coil and capacitance parameter, just produced the high frequency square wave voltage signal.The coil L3 as secondary coil among the transformer T1 then produces corresponding high frequency square wave voltage by the mutual inductance effect, be coupled to the primary coil of the booster circuit 64 that step-up transformer T2 constitutes again after, then boost by step-up transformer T2.Signal after boosting produces high-frequency and high-voltage by the resonance output circuit of being made up of the secondary and capacitor C 8 of step-up transformer T2 65 again.This high frequency voltage is added to the two ends of cathode fluorescent tube 4, and its rapid build-up of luminance is lighted.Behind the build-up of luminance, the secondary coil of the step-up transformer T2 that links to each other with cathode fluorescent tube 4 plays the effect of current limliting again, and makes cathode fluorescent tube 4 operate as normal.Resistance R 3 in the circuit, R4, R5, R6, capacitor C 3, C4, diode D5, D6, D7, D8 are the auxiliary elements that adds for high frequency square wave generation circuit can reliablely and stablely be worked.
The cold cathode decoration lamp of embodiment 10 to embodiment 12 directly is installed in it on lamp socket that matches with its E27 type screw cap 1 in use, inserts 220V AC mains source, can light, and power output is 4 watts.
(embodiment 13 to embodiment 15, cold cathode decoration lamp)
See Figure 17, the remainder of embodiment 13 is identical with embodiment 10, the remainder of embodiment 14 is identical with embodiment 11, the remainder of embodiment 15 is identical with embodiment 12, difference is: the cold cathode decoration lamp of embodiment 13 to embodiment 15 also all has retainer plate 72, bottom at shell 3 is provided with annular protrusion, retainer plate 72 inwalls are provided with an annular groove, retainer plate 72 matches with shell 3 base circle projectioies by its annular groove, and be fixed on the shell 3, retainer plate 72 is stuck in the bottom of shell 3 with sheet glass 71, can load and unload easily.
(embodiment 16 to embodiment 18, cold cathode decoration lamp)
See Figure 18 to Figure 20, embodiment 16 is corresponding with embodiment 10, embodiment 17 is corresponding with embodiment 11, embodiment 18 is corresponding with embodiment 12, the remainder of each corresponding embodiment is identical, difference is: the height of shell is low among the corresponding embodiment of aspect ratio of the shell 3 of embodiment 16 to embodiment 18, and shell 3 is provided with single mounting panel 3-1, this mounting panel 3-1 presses and the perpendicular direction setting of the axis of shell 3, is adhesively fixed with aluminum reflective membrane 34 on the mounting panel 3-1.But mounting panel 3-1 is provided with the hole that the contact conductor 44 of cooling cathode-luminescence fluorescent tube 4 passes.Reflection shield 5 is made for glass, and its inner surface has the reflector 51 of metal coating, and its inner surface is made up of several little planes, to improve the reflection of light effect; The top of reflection shield 5 is arranged in the shell 3, and is bonded and fixed at shell 3, the major part of reflection shield 5 be exposed at shell 3 below; Sheet glass 71 directly is bonded and fixed at the bottom of reflection shield 5 by binding agent.
(embodiment 19 to embodiment 21, cold cathode decoration lamp)
See Figure 21 to Figure 23, embodiment 19 is corresponding with embodiment 10, embodiment 20 is corresponding with embodiment 11, embodiment 21 is corresponding with embodiment 12, the remainder of each corresponding embodiment is identical, difference is: the electrical connection section 1 of embodiment 19 to embodiment 21 does not adopt the screw type electrical connection section, and adopts the electrical connection section 1 of contact pin type lamp holder.Electrical connection section 1 all has two contact pins 11 and 12, two contact pin 11 riveted and fixed of loam cake in the pin holes of loam cake 12, and forms the electrical connection section 1 of the contact pin type lamp holder that belongs to the GU10 type.
(embodiment 22, cold cathode decoration lamp)
See Figure 24 to Figure 26, all the other are identical with embodiment 16, and difference is: the electrical connection section 1 of present embodiment does not adopt the screw type electrical connection section, and adopts the electrical connection section 1 of contact pin type lamp holder.Electrical connection section 1 has two contact pins 11 and 12, two contact pin 11 riveted and fixed of loam cake in the pin holes of loam cake 12, and forms the electrical connection section 1 of the contact pin type lamp holder that belongs to the GU10 type.The cathode fluorescent tube 4 that is adopted is made by embodiment 3.
(embodiment 23 to embodiment 25, cold cathode decoration lamp)
See Figure 27 to Figure 29, the remainder of embodiment 23 to embodiment 25 is identical with embodiment 16, difference is: the cathode fluorescent tube 4 that embodiment 23 is adopted is made by embodiment 4, the cathode fluorescent tube 4 that embodiment 24 is adopted is made by embodiment 5, and the cathode fluorescent tube 4 that embodiment 25 is adopted is made by embodiment 6; The all corresponding increasing of size of loam cake 2, shell 3 and glass reflection shield 5 that embodiment 23 to embodiment 25 is adopted, and the inner surface of the glass reflection shield 5 that is adopted forms reflective surface for one deck evaporation of aluminum layer is set on the glass light face, and the outer surface of glass reflection shield 5 is for being provided with one deck evaporation of aluminum layer as decorative layer on the glass hair side; The numerical value determined of the height H of corresponding cold cathode decoration lamp in 81 to 90 millimeters scopes, selecting, embodiment 23 is 82 millimeters, and embodiment 24 is 81 millimeters, and embodiment 25 is 90 millimeters; The numerical value determined of the maximum outside diameter D of cold cathode decoration lamp in 58 to 70 millimeters scopes, selecting, embodiment 23 is 62.5 millimeters, and embodiment 24 is 58 millimeters, and embodiment 25 is 70 millimeters.The power output of the cold cathode decoration lamp of embodiment 23 to embodiment 25 is 6 watts.
(embodiment 26 to embodiment 28, cold cathode decoration lamp)
See Figure 30 to Figure 32, the remainder of embodiment 26 to embodiment 28 is identical with embodiment 23, difference is: the cathode fluorescent tube 4 that embodiment 26 is adopted is made by embodiment 7, the cathode fluorescent tube 4 that embodiment 27 is adopted is made by embodiment 8, and the cathode fluorescent tube 4 that embodiment 28 is adopted is made by embodiment 9; The all corresponding increasing of size of loam cake 2, shell 3 and glass reflection shield 5 that embodiment 26 to embodiment 28 is adopted.The numerical value determined of the height H of corresponding cold cathode decoration lamp in 100 to 120 millimeters scopes, selecting, embodiment 26 is 111 millimeters, and embodiment 27 is 100 millimeters, and embodiment 28 is 120 millimeters; The numerical value determined of the maximum outside diameter D of cold cathode decoration lamp in 80 to 110 millimeters scopes, selecting, embodiment 26 is 92.5 millimeters, and embodiment 27 is 80 millimeters, and embodiment 28 is 110 millimeters.The power output of the cold cathode decoration lamp of embodiment 26 to embodiment 28 is 8 watts.
(embodiment 29 to embodiment 34, cold cathode decoration lamp)
Embodiment 29 is corresponding with embodiment 10, and embodiment 30 is corresponding with embodiment 11, and is corresponding with embodiment 15 until embodiment 34; The remainder of embodiment 29 to embodiment 34 is identical with each corresponding embodiment, and difference is: the electrical connection section of embodiment 29 to embodiment 34 does not adopt the screw type electrical connection section, and adopts the electrical connection section of B22 type socket type lamp holder.
Claims (10)
1. a cathode fluorescent tube has electrode (42), contact conductor (44) and sealed glass fluorescent tube (41); Glass lamp (41) is the fluorescent tube of integral type: glass lamp (41) is made of glass-tube main body (41-1) and two pins (41-2), and the glass-tube main body (41-1) of glass lamp (41) is cylindrical double helix; Be adhesively fixed with cold-cathode fluorescent bisque (43) on the whole inwall of the glass-tube main body (41-1) of glass lamp (41), be filled with inert gas in the sealed at both ends and glass lamp (41) of glass lamp (41); Electrode (42) has 2, and each electrode (42) all is arranged in the glass lamp (41) and each electrode (42) is positioned at the corresponding pipe end of glass lamp (41), and contact conductor (44) is welded on electrode (42) and goes up and draw outside the glass lamp (41); It is characterized in that: each pin (41-2) of glass lamp (41) extends naturally along a corresponding spirochetal tangential direction of glass-tube main body (41-1).
2. cathode fluorescent tube according to claim 1, it is characterized in that: the glass-tube diameter phi of the glass-tube main body (41-1) of glass lamp (41) is 3.6 to 4.6 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 18.0 to 26.5 millimeters, highly h is 20 to 25 millimeters, and the length of two pins (41-2) of glass lamp (41) is 10 to 15 millimeters; Or the glass-tube diameter phi of the glass-tube main body (41-1) of glass lamp (41) is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 28 to 34 millimeters, highly h is 22 to 30 millimeters, and the length of two pins (41-2) of glass lamp (41) is 10 to 15 millimeters; Or the glass-tube diameter phi of the glass-tube main body (41-1) of glass lamp (41) is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 35 to 48 millimeters, highly h is 31 to 40 millimeters, and the length of two pins (41-2) of glass lamp (41) is 15 to 25 millimeters.
3. cathode fluorescent tube according to claim 1 and 2 is characterized in that: glass-tube main body (41-1) makes by the mode of the fixed fluorescent powder aftershaping that bonds earlier; Electrode (42) is a compound electrode, and electrode (42) has the plating nickel on surface iron plate as substrate, and one in two surfaces of plating nickel on surface iron plate is hair side, and another is the light face; The hair side of plating nickel on surface iron plate is provided with the zirconium alloy layer, and the light face is provided with titanium mercury alloy layer.
4. a cold cathode decoration lamp has electrical connection section (1), loam cake (2), shell (3), the sharp reflection shield of cathode fluorescent tube (4) (5); Electrical connection section (1) is screw socket, contact pin type or bayonet type electrical connection section; Cathode fluorescent tube (4) has glass lamp (41), electrode (42) and contact conductor (44); Glass lamp (41) is the fluorescent tube of integral type; Glass lamp (41) is made of glass-tube main body (41-1) and two pins (41-2), and the glass-tube main body (41-1) of glass lamp (41) is cylindrical double helix; Be adhesively fixed with cold-cathode fluorescent bisque (43) on the whole inwall of the glass-tube main body (41-1) of glass lamp (41), be filled with inert gas in the sealed at both ends and glass lamp (41) of glass lamp (41); Electrode (42) has 2, and each electrode (42) all is arranged in the glass lamp (41) and each electrode (42) is positioned at the corresponding pipe end of glass lamp (41), and contact conductor (44) is welded on electrode (42) and goes up and draw outside the glass lamp (41); Electrical connection section (1) is fixed on the loam cake (2), and is positioned at the top of loam cake (2); Shell (3) is positioned at the below of loam cake (2), and fixedlys connected with loam cake (2); It is characterized in that: also have power circuit device (6); Power circuit device (6) is the device that mains supply can be converted to the required high-frequency and high-voltage power supply of cathode fluorescent tube (4) work, and power circuit device (6) is fixed in the cavity that loam cake (2) and shell (3) surround; Reflection shield (5) is fixed on shell (3) bottom or is fixed in the shell (3), cathode fluorescent tube (4) is fixed on the shell (3), and be arranged in reflection shield (5), electrical connection section (1) is electrically connected by lead (8) with the input of power circuit device (6), and the high-frequency high-voltage source output terminal of power circuit device (6) is electrically connected with the contact conductor (44) of cathode fluorescent tube (4); The glass-tube main body (41-1) of glass lamp (41) makes by the mode of the fixed fluorescent powder aftershaping that bonds earlier, and each pin (41-2) of glass lamp (41) extends naturally along a corresponding spirochetal tangential direction of glass-tube main body (41-1).
5. cold cathode decoration lamp according to claim 4 is characterized in that: also have sheet glass (71); Reflection shield (5) is for having paraboloidal metal reflective bowl, and the top of this metal reflective bowl (5) is provided with the fluorescent tube hole, and inner surface is coated with metal reflective layer (51); Metal reflective bowl (5) is fixed in the shell (3) and covers on outside the glass-tube main body (41-1) of cathode fluorescent tube (4); Sheet glass (71) is adhesively fixed on the bottom of shell (3).
6. cold cathode decoration lamp according to claim 4 is characterized in that: also have sheet glass (71) and retainer plate (72); Reflection shield (5) is provided with the metal reflective bowl in fluorescent tube hole for the top, and the inner surface of this metal reflective bowl (5) is coated with metal reflective layer (51); Metal reflective bowl (5) is fixed in the shell (3) and covers on outside the glass-tube main body (41-1) of cathode fluorescent tube (4); Sheet glass (71) is adhesively fixed on retainer plate (72) bottom; Retainer plate (72) is fixed on the bottom of shell (3).
7. cold cathode decoration lamp according to claim 4 is characterized in that: also have sheet glass (71); Reflection shield (5) is provided with the glass reflector in fluorescent tube hole for the top, and the top of this glass reflector (5) is bonded and fixed at the bottom of shell (3), and glass reflector (5) covers on outside the glass-tube main body (41-1) of cathode fluorescent tube (4); Sheet glass (71) is adhesively fixed on the bottom of glass reflector (5).
8. according to the described cold cathode decoration lamp of one of claim 4 to 7, it is characterized in that: loam cake (2) and shell (3) are the integrated through injection molding part that flame retardant plastics is made; Shell (3) top is provided with the cross one another two blocks of arrangement plates (31 that are arranged in the chamber, 32), left side mounting panel (31) wherein is provided with by the low mode in preceding high back, and the mounting panel on right side (32) is provided with by low early and high after mode, lays socket (33) thereby form two; Each pin (41-2) of glass lamp (41) is plugged in the shell (3) by laying socket (33) accordingly, and contacts with the upper surface of the mounting panel of a corresponding side, and is adhesively fixed on this mounting panel; The lower surface of left side mounting panel (31) and right mounting panel (32) is respectively equipped with the reflector, and (31-1,32-1), (31-1 32-1) is metal-plated rete or reflective sheeting in the reflector.
9. according to the described cold cathode decoration lamp of one of claim 4 to 7, it is characterized in that: power circuit device (6) has bridge rectifier (61), filter circuit (62), high frequency square wave generation circuit (63), booster circuit (64) and the resonance output circuit (65) that is electrically connected successively.
10. according to the described cold cathode decoration lamp of one of claim 4 to 7, it is characterized in that: the maximum outside diameter D of decorative lamp is 48 to 51 millimeters, height H is 78 to 80 millimeters, the glass-tube diameter phi of the glass-tube main body (41-1) of the glass lamp (41) of cathode fluorescent tube (4) is 3.6 to 4.6 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 18.0 to 26.5 millimeters, highly h is 20 to 25 millimeters, and the length of two pins (41-2) of glass lamp (41) is 10 to 15 millimeters; Or the maximum outside diameter D of decorative lamp is 58 to 70 millimeters, height H is 81 to 90 millimeters, the glass-tube diameter phi of the glass-tube main body (41-1) of the glass lamp (41) of cathode fluorescent tube (4) is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 28 to 34 millimeters, highly h is 22 to 30 millimeters, and the length of two pins (41-2) of glass lamp (41) is 10 to 15 millimeters; Or the maximum outside diameter D of decorative lamp is 80 to 110 millimeters, height H is 100 to 120 millimeters, the glass-tube diameter phi of the glass-tube main body (41-1) of the glass lamp (41) of cathode fluorescent tube (4) is 4.7 to 6.5 millimeters, the outside diameter d of the double helix of glass-tube main body (41-1) is 35 to 48 millimeters, highly h is 31 to 40 millimeters, and the length of two pins (41-2) of glass lamp (41) is 15 to 25 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100651475A CN100372050C (en) | 2004-10-28 | 2004-10-28 | Cold cathode decorative lamp and cold cathode fluorescent lamp tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100651475A CN100372050C (en) | 2004-10-28 | 2004-10-28 | Cold cathode decorative lamp and cold cathode fluorescent lamp tube |
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| CN1767141A CN1767141A (en) | 2006-05-03 |
| CN100372050C true CN100372050C (en) | 2008-02-27 |
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| CNB2004100651475A Expired - Fee Related CN100372050C (en) | 2004-10-28 | 2004-10-28 | Cold cathode decorative lamp and cold cathode fluorescent lamp tube |
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| CN2521748Y (en) * | 2002-01-17 | 2002-11-20 | 上海翔山实业有限责任公司 | Double amalgam double-screw fluorescent lamp |
| US20030234614A1 (en) * | 2002-06-12 | 2003-12-25 | Kenji Itaya | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp |
| CN2738522Y (en) * | 2004-10-28 | 2005-11-02 | 谢寅 | Cold cathode decorative lamp |
| CN2738391Y (en) * | 2004-10-28 | 2005-11-02 | 谢寅 | Cold cathode fluorescent lamp tube |
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2004
- 2004-10-28 CN CNB2004100651475A patent/CN100372050C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521748Y (en) * | 2002-01-17 | 2002-11-20 | 上海翔山实业有限责任公司 | Double amalgam double-screw fluorescent lamp |
| US20030234614A1 (en) * | 2002-06-12 | 2003-12-25 | Kenji Itaya | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp |
| CN2738522Y (en) * | 2004-10-28 | 2005-11-02 | 谢寅 | Cold cathode decorative lamp |
| CN2738391Y (en) * | 2004-10-28 | 2005-11-02 | 谢寅 | Cold cathode fluorescent lamp tube |
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