CN101060064A - Cold cathode discharge lamp - Google Patents
Cold cathode discharge lamp Download PDFInfo
- Publication number
- CN101060064A CN101060064A CNA2007101013583A CN200710101358A CN101060064A CN 101060064 A CN101060064 A CN 101060064A CN A2007101013583 A CNA2007101013583 A CN A2007101013583A CN 200710101358 A CN200710101358 A CN 200710101358A CN 101060064 A CN101060064 A CN 101060064A
- Authority
- CN
- China
- Prior art keywords
- lamp
- cold
- cathode discharge
- discharge lamp
- glass lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/366—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
A cold cathode discharge lamp is provided, the cold cathode discharge lamp is capable of forming a current conductor layer of an end portion of a glass lamp in a low cost, further reducing the manufacturing cost of the lamp. The discharge lamp seals a discharging medium in an inner discharging space of a glass lamp 1, electrodes 2 are provided in two ends of the glass lamp, guide lines 3 for power supply has ends connected with the electrodes respectively and other ends guided outwards from the end portions of the glass lamp respectively, in the cold cathode discharge lamp, the current conductor layer 6 is formed at periphery faces and end faces of the two ends of the glass lamp by dipping and soldering tin.
Description
Technical field
The present invention relates to a kind of cold-cathode discharge lamp.
Background technology
In the past, the light source of the back light device of liquid crystal indicator extensively adopts cold-cathode discharge lamp.The structure of this cold-cathode discharge lamp is: generally form fluorescence coating on the inwall of glass lamp, in the internal discharge space, enclose discharge medium, inside at these glass lamp two ends is provided with electrode, and the power supply that an end is connected with electrode is respectively drawn to the outside from the end of glass lamp respectively with the other end of lead-in wire.
As the structure of the power supply of such cold-cathode discharge lamp, known have a kind of structure of being put down in writing in the flat 9-17329 communique (patent documentation 1) of opening as the spy.In the cold-cathode discharge lamp in this past, as shown in Figure 3, inside, two ends at the glass lamp 1 of discharge medium being enclosed the internal discharge space is provided with electrode 2, and the power supply that an end is connected with this electrode 2 is drawn to the outside from the end of glass lamp 1 with the other end of lead-in wire 3.Then, conductor cover or lamp holder 4 are installed on the end outer surface of glass lamp 1, this lamp holder 4 is electrically connected with the outer end of power supply with lead-in wire 3 by scolding tin 5.This cover or lamp holder 5 be for when being installed in this cold-cathode discharge lamp on the back light unit and it lighted, be connected with lead-in wire and be provided with from the inverter of back light unit side.
But, in the cold-cathode discharge lamp in the past, exist following problem: because as mentioned above, for the power from inverter power supply is provided, and on the end of glass lamp 1 mounting cup or lamp holder 5, so in this manufacturing process, will be as other member that separates with glass lamp, make cover or lamp holder 5, and the operation that this member need be installed on the end of glass lamp 1, will spend cost in order to make cover or lamp holder 5, the result makes the manufacturing cost of cold-cathode discharge lamp also improve.
[patent documentation 1] spy opens flat 9-17329 communique
The present invention proposes in view of the problem in the above-mentioned technology in the past just, and purpose is to provide a kind of cold-cathode discharge lamp, and this cold-cathode discharge lamp can form the Ampereconductors layer of glass lamp end with low cost, and then tries hard to reduce the manufacturing cost of lamp.
Summary of the invention
The invention is characterized in, be a kind ofly in the internal discharge space of glass lamp, to enclose discharge medium and the cold-cathode discharge lamp that power supply that an electrode and an end be connected with above-mentioned electrode is respectively drawn to the outside from the end of this glass lamp respectively with the other end of lead-in wire is set in the inside, two ends of this glass lamp, on the two ends of above-mentioned glass lamp outer peripheral face and end face, form the Ampereconductors layer by dipping scolding tin.
In addition, in the present invention, it is characterized in that the power supply end face bending of lead-in wire of drawing to the outside from the end of above-mentioned glass lamp along above-mentioned glass lamp.
And, in the present invention, it is characterized in that above-mentioned power supply uses the size of the bend that goes between in above-mentioned glass lamp end face radius.
It is characterized in that the scolding tin that forms above-mentioned Ampereconductors layer is to be main component with in the alloy of the alloy of tin, tin and indium and tin and bismuth any, and add in antimony, zinc, the aluminium at least a kind.
It is characterized in that each leading section of subtend of pair of electrodes that is arranged on the inside, two ends of above-mentioned glass lamp disposes like this, be located at the more close lamp central side in position than the leading section of the lamp central side of above-mentioned Ampereconductors layer.
If employing the present invention, then because the end at glass lamp forms the Ampereconductors layer by dipping scolding tin, make cover or lamp holder and be installed in situation on the end of glass lamp so be compared to as other part, the formation cost of this Ampereconductors layer can be reduced significantly, and then the manufacturing cost of lamp can be tried hard to reduce.
Description of drawings
Fig. 1 is near the front view partly of lamp shaft end of the cold-cathode discharge lamp of the present invention's the 1st example.
Fig. 2 is near the front view partly of lamp shaft end of the cold-cathode discharge lamp of the present invention's the 2nd example.
Fig. 3 is near the front view of the part of lamp shaft end of cold-cathode discharge lamp in the past.
Label declaration
1 glass lamp
2 electrodes
3, the 3A power supply is with going between
6 Ampereconductors layers
Embodiment
Below, explain example of the present invention with reference to the accompanying drawings.
(the 1st example) Fig. 1 represents the cold-cathode discharge lamp of the 1st example of the present invention, in the internal discharge space of glass lamp 1, enclose discharge medium, the power supply that electrode 2, one ends are connected with electrode 2 respectively is set in the inside at the tubular axis two ends of glass lamp 1 draws to the outside from the end of this glass lamp 1 respectively with the other end of lead-in wire 3.Then, expose on the end with the outside of lead-in wire 3, form Ampereconductors layer 6 by flooding scolding tin at the two ends of glass lamp 1 outer peripheral face and end face and power supply.And, on the internal face of glass lamp 1, form fluorescence coating and protective layer, but this does not illustrate.
The scolding tin of Ampereconductors layer 6 is to be main component with in the alloy of the alloy of tin, tin and indium and tin and bismuth any, and adds in antimony, zinc, the aluminium at least a kind.
In the cold-cathode discharge lamp of said structure,, the leading section of the subtend respectively of two electrodes 2 is set on the position of more close central side compared to the position of the leading section of Ampereconductors layer 6.This is for fear of the discharge delay between the electrode 2.
The cold-cathode discharge lamp of this example is that the light source as back light unit uses.When using on being installed in back light unit, the power supply that the Ampereconductors layer 6 at these cold-cathode discharge lamp two ends is installed in the back light unit side with on the binding post, and by providing alternating current by inverter power supply, thereby makes its discharge lamp operating with socket or power supply.At this moment, preferably provide high-frequency alternating current below the 100kHz by inverter power supply.
If adopt the cold-cathode discharge lamp of this example, then because on the both ends of glass lamp 1 outer surface and both ends of the surface, form Ampereconductors layer 6 by dipping scolding tin, so the cost that forms Ampereconductors layer 6 when making is compared to make situation about being installed in behind cover or the lamp holder on glass lamp 1 end as other part, can reduce significantly, and then can try hard to reduce the manufacturing cost of lamp.
(the 2nd example) Fig. 2 represents the cold-cathode discharge lamp of the 2nd example of the present invention, in the internal discharge space of glass lamp 1, enclose discharge medium, the power supply that electrode 2, one ends are connected with electrode 2 respectively is set in the inside at the tubular axis two ends of glass lamp 1 draws to the outside from the end of this glass lamp 1 respectively with the other end of lead-in wire 3A.Making this power supply expose the end with the outside of lead-in wire 3A bends to parallel with the end face of glass lamp 1.But the size of the bend of setting power supply usefulness lead-in wire 3A is smaller or equal to the radius R of lamp end face.Then, expose crooked end with the outside of lead-in wire 3A, form Ampereconductors layer 6 by flooding scolding tin at the two ends of glass lamp 1 outer peripheral face and end face and power supply.
And, even this example has also formed fluorescence coating and protective layer on the internal face of glass lamp 1, but do not illustrate.In addition, even this example, the scolding tin of Ampereconductors layer 6 also is to be main component with in the alloy of the alloy of tin, tin and indium and tin and bismuth any, and adds in antimony, zinc, the aluminium at least a kind.
Even the cold-cathode discharge lamp of this example also is set in each leading section of the subtend of two electrodes 2 the more close lamp central side place, position than the leading section of Ampereconductors layer 6.By such structure, can prevent discharge delay.That is, when lighting cold-cathode discharge lamp, cause by being present in the electronics that near the photoelectron electrode etc. causes, begin discharge, when applying high frequency voltage between two electrodes, moment forms discharge path between two electrodes.As such initiation electronics that begins to discharge, because the electron beam from the arrival discharge lamp of the outside (universe) of cold-cathode discharge lamp also becomes the initiation electronics, so expose from Ampereconductors layer 6 by the front end that makes internal electrode, the initiation electronic energy gets at and reaches near the electrode, therefore can begin discharge rapidly.
The cold-cathode discharge lamp of this example also is that the light source as back light unit uses.Therefore in the time of when being installed in back light unit on, the power supply that the Ampereconductors layer 6 at these cold-cathode discharge lamp two ends is installed in the back light unit side is with socket or power with on the binding post, by providing alternating current by inverter power supply, makes it light discharge lamp.At this moment, also preferably provide high-frequency alternating current smaller or equal to 100kHz by inverter power supply.
If adopt the cold-cathode discharge lamp of this example, then because on the both ends of glass lamp 1 outer surface and both ends of the surface, form Ampereconductors layer 6 by dipping scolding tin, thus same with the 1st example, can try hard to reduce the manufacturing cost of lamp.And, when carrying out this example, expose end bent to the power supply of internal electrode 2 power supplies with the outside of lead-in wire 3A because make, and expose in this outside on the end and also form Ampereconductors layer 6 by dipping scolding tin, so can consolidate and enlarge from Ampereconductors layer 6 to glass lamp the current path of the electrode 2 of 1 inside, when on being installed in back light unit, using, can reduce coming in contact bad possibility widely.And, set power supply and can not go out to exceed the lamp periphery, so its advantage is, when the power supply that is installed in the back light unit side is with socket or on powering with binding post with the size of the front end of the bend of lead-in wire 3A, do not have that leading section blocks and the trouble that causes can successfully be carried out installation exercise.
Claims (8)
1. a cold-cathode discharge lamp is characterized in that,
Be in the internal discharge space of glass lamp, to enclose discharge medium and the cold-cathode discharge lamp that power supply that an electrode and an end be connected with described electrode is respectively drawn to the outside from the end of this glass lamp respectively with the other end of lead-in wire is set in the inside at these glass lamp two ends
On the outer peripheral face at described glass lamp two ends and end face, form the Ampereconductors layer by dipping scolding tin.
2. the cold-cathode discharge lamp described in claim 1 is characterized in that,
The power supply end face bending of lead-in wire of drawing to the outside from the end of described glass lamp along described glass lamp.
3. the cold-cathode discharge lamp described in claim 2 is characterized in that,
The described power supply radius of the size of the bend that goes between smaller or equal to described glass lamp end face.
4. the cold-cathode discharge lamp described in claim 1,2 or 3 is characterized in that,
The scolding tin that forms described Ampereconductors layer is to be main component with in the alloy of the alloy of tin, tin and indium and tin and bismuth any, and adds in antimony, zinc, the aluminium at least a kind.
5. the cold-cathode discharge lamp described in claim 1 is characterized in that,
Each leading section of opposite side of pair of electrodes that is arranged on the inside at described glass lamp two ends disposes like this, makes its position compared with the leading section of the lamp central side of described Ampereconductors layer more be positioned at position near the lamp central side.
6. the cold-cathode discharge lamp described in claim 6 is characterized in that,
The power supply end face bending of lead-in wire of drawing to the outside from the end of described glass lamp along described glass lamp.
7. the cold-cathode discharge lamp described in claim 6 is characterized in that,
The described power supply radius of the size of the bend that goes between smaller or equal to described glass lamp end face.
8. the cold-cathode discharge lamp described in claim 6 or 7 is characterized in that,
The scolding tin that forms described Ampereconductors layer is to be main component with in the alloy of the alloy of tin, tin and indium and tin and bismuth any, and adds in antimony, zinc, the aluminium at least a kind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006116610A JP2007287616A (en) | 2006-04-20 | 2006-04-20 | Cold-cathode discharge lamp |
| JP2006116610 | 2006-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101060064A true CN101060064A (en) | 2007-10-24 |
Family
ID=38759187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101013583A Pending CN101060064A (en) | 2006-04-20 | 2007-04-19 | Cold cathode discharge lamp |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2007287616A (en) |
| KR (1) | KR20070104248A (en) |
| CN (1) | CN101060064A (en) |
| TW (1) | TW200818239A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767253A (en) * | 2008-12-26 | 2010-07-07 | Nec照明株式会社 | Solder for lead wire of cold-cathode fluorescent lamp, lead wire of cold-cathode fluorescent lamp and connection thereof |
-
2006
- 2006-04-20 JP JP2006116610A patent/JP2007287616A/en not_active Abandoned
-
2007
- 2007-04-19 CN CNA2007101013583A patent/CN101060064A/en active Pending
- 2007-04-19 TW TW096113830A patent/TW200818239A/en unknown
- 2007-04-19 KR KR1020070038100A patent/KR20070104248A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767253A (en) * | 2008-12-26 | 2010-07-07 | Nec照明株式会社 | Solder for lead wire of cold-cathode fluorescent lamp, lead wire of cold-cathode fluorescent lamp and connection thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200818239A (en) | 2008-04-16 |
| JP2007287616A (en) | 2007-11-01 |
| KR20070104248A (en) | 2007-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071024 |