CN1809238A - Luminaire - Google Patents

Luminaire Download PDF

Info

Publication number
CN1809238A
CN1809238A CNA2006100054524A CN200610005452A CN1809238A CN 1809238 A CN1809238 A CN 1809238A CN A2006100054524 A CNA2006100054524 A CN A2006100054524A CN 200610005452 A CN200610005452 A CN 200610005452A CN 1809238 A CN1809238 A CN 1809238A
Authority
CN
China
Prior art keywords
tube
sweep
lamp
bent
outer electrode
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
Application number
CNA2006100054524A
Other languages
Chinese (zh)
Inventor
西原隆史
森贞智博
宇野一世
堀内正和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Lighting and Technology Corp
Original Assignee
Harison Toshiba Lighting Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harison Toshiba Lighting Corp filed Critical Harison Toshiba Lighting Corp
Publication of CN1809238A publication Critical patent/CN1809238A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
    • H01L21/6773—Conveying cassettes, containers or carriers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
    • H01L21/67763—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading
    • H01L21/67766—Mechanical parts of transfer devices
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements
    • G02F2201/503—Arrangements improving the resistance to shock

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Robotics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

The present invention prevents the deviation of mercury in a lamp tube and decrease brightness unevenness on a light emitting face in an illumination device equipped with multiple numbers of bending-tube type dielectric barrier electric discharge lamps (EEFL) which are illuminated simultaneously by reducing a difference in temperature between an electrode of a bending part of a lamp and an electrode of a tube end. In the illumination device in which a plurality of bending-tube type EEFLs 1 each having the bending part 1A are arranged in parallel, outer electrodes 3, 5 are formed on respective both ends and bending parts of the bending-tube type EEFL, and a rectangular waved voltage or a sine waved voltage reverse in phase from each other are impressed respectively on the outer electrodes 3 of the both ends, while the outer electrodes 5 of the bending parts are connected to the GND.

Description

Lighting device
Technical field
The relevant LCD of the present invention, liquid crystal TV set, instrument are with used lighting devices with many fluorescent lamps such as display screens.
Background technology
Recently as LCD, liquid crystal TV set, instrument with used backlights such as display screens, with low-power consumption and low cost is purpose, use the little spacing U-shaped pipe of many medium blocking type discharge lamps (being called ' EEFL ') or the backlight of C shape pipe becoming main flow, constituting of described medium blocking type discharge lamp: fluorophor is coated on the inwall, and with mists such as mercuric neon, argons as putting medium, be encapsulated in the transparent glass tube of closed at both ends, outer wall at the glass tube two ends covers thin layers such as metal again, forms outer electrode.Adopt the structure of backlight of the EEFL of the EEFL of this U-shaped pipe or C shape pipe to be shown in Figure 10, but this is a kind of formation that only has in backlight lamp door 2 at the EEFL1 of the outer electrode formula of the exterior arrangement electrode 3 at the glass tube two ends that curve little spacing U-shaped pipe or C shape pipe.Also have, the reflecting plate 2 ' that sky light is used is set in backlight lamp door 2.
Now, in order to reduce the number of lamp, the main U-shaped pipe that the glass tube of straight tube shape is crooked at the place, centre or the structure of C shape pipe used.In large-scale backlight, the pipe range of EEFL is elongated in addition, lights in order to make lamp, and light tube electric voltage is also wanted more than the 2000V (one-sided 1000Vrms).But, when lamp being lighted, because of producing ozone, so can not use with the above light tube electric voltage of 2000V.In addition, in the design of the backlight that uses many U-shaped pipes and C shape pipe, under the situation outside the sweep 1A with lamp is arranged on the effective illuminating part that is provided with reflecting plate 2 ', then as shown in figure 11, because compare with electrode 3 one sides, the tube wall temperature of sweep 1A one side reduces, therefore mercury concentrates on this part, as a result, the mercury vapour amount of whole lamp reduces, and produces the so-called pink discharge that brightness reduces.In addition, as shown in figure 12, so because the light-emitting area of sweep 1A one side increases than the luminous flux of the big lamp of electrode 3 one sides, on the plate face of backlight brightness irregularities takes place.Have, because the light tube electric voltage of lamp raises, electric current leaks also and increases again, and its result because of the brightness of the tube axial direction of lamp begins to reduce gradually to sweep one side from electrode one side, thereby also produces brightness irregularities.
Patent documentation 1: Te Open 2002-82327 communique
Patent documentation 2: special table 2001-507824 communique
Summary of the invention
The application system proposes based on above-mentioned technical matters, its purpose is to provide a kind of lighting device, this lighting device has and resembles the bent-tube boiler medium blocking type discharge lamp (EEFL) many C shapes pipe or the U-shaped pipe and they are lighted simultaneously, by the electrode and the interelectrode temperature difference of pipe end that reduces the lamp sweep, thereby can prevent that mercury is concentrated in the fluorescent tube, the brightness of lamp sweep is reduced, reduce the brightness irregularities on the light-emitting area.
The application's lighting device is the lighting device that is arranged side by side many bent-tube boiler fluorescent lamps, constituting of described bent-tube boiler fluorescent lamp: the inwall at glass tube forms fluorescent film, in the internal discharge space of described glass tube, enclose one or more rare gas, or mercury and one or more rare gas, with described glass tube closed at both ends, and at the middle part of described glass tube formation sweep, in described lighting device, be characterized in: two ends and sweep at described bent-tube boiler fluorescent lamp form outer electrode, and anti-phase square-wave voltage or sine voltage be added in respectively on the outer electrode at described two ends, and the outer electrode of described sweep connects GND.
In addition, the application's lighting device is the lighting device that is arranged side by side many bent-tube boiler fluorescent lamps, constituting of described bent-tube boiler fluorescent lamp: the inwall at glass tube forms fluorescent film, in the internal discharge space of described glass tube, enclose one or more rare gas, or mercury and one or more rare gas, with described glass tube closed at both ends, and at the middle part of described glass tube formation sweep, in described lighting device, be characterized in: two ends and sweep at described bent-tube boiler fluorescent lamp form outer electrode, and the square-wave voltage or the sine voltage of homophase be added in respectively on the outer electrode at described two ends, and the outer electrode of described sweep connects GND.
Have, in the application's lighting device, the described bent-tube boiler fluorescent lamp of above-mentioned lighting device is C shape tube shape or U-shaped tube shape again.
Utilize the application's lighting device, light at the same time in the bent-tube boiler EEFL of many C shapes pipe or U-shaped pipe, because the temperature difference between the outer electrode of lamp sweep and the outer electrode of pipe end reduces, so can prevent that mercury is concentrated in the fluorescent tube, reduce the brightness of lamp sweep, make the brightness on the light-emitting area even, thus uniformly light-emitting.
Description of drawings
Fig. 1 is the vertical view of the backlight of first embodiment of the invention.
Fig. 2 is the temperature profile of the backlight of above-mentioned execution mode.
Fig. 3 is the intensity map of the backlight of above-mentioned execution mode.
Fig. 4 is the vertical view of the backlight of second embodiment of the invention.
Fig. 5 is the upward view of the backlight of above-mentioned execution mode.
Fig. 6 is the vertical view of the backlight of third embodiment of the invention.
Fig. 7 is vertical view and the end view of the C shape bent-tube boiler EEFL that uses in the backlight of four embodiment of the invention.
Fig. 8 is vertical view and the end view of the U-bend formula EEFL that uses in the backlight of four embodiment of the invention.
Fig. 9 is for saving the vertical view of a part in the backlight of above-mentioned the 4th execution mode.
Figure 10 is the vertical view of existing backlight example.
Figure 11 is the temperature profile of existing backlight example.
Figure 12 is the intensity map of existing backlight example.
Label declaration
1EEFL, 1A sweep, 2 lamp doors, 3 electrodes, 4 rubber lamp sockets, 5 electrodes, 6 transformers, 7 inverters
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are elaborated.
First execution mode
Fig. 1 represents the backlight as the many lamps of bent-tube boiler of first execution mode of lighting device of the present invention.The backlight of present embodiment is located at many C shape pipe EEFL1 in the lamp door 2 side by side.Lamp door 2 is made of the diffuser plate that container-like reflection lamp box 2 ' that constitutes reflecting plate and not shown being arranged to cover above it, and portion is arranged side by side many C shape pipe EEFL1 within it.The two ends of each EEFL1 are rubber lamp socket 4 dress outer electrode 3 or conduction in insert the outside of reflection lamp box.In addition, establish outer electrode 5 on the sweep 1A of each EEFL1, meet GND respectively.The sweep 1A of each EEFL1 is configured in effective light-emitting zone, promptly is configured in the reflecting plate lamp box 2 ' that is located in the lamp door 2.Constitute power circuit in addition, this circuit is added in anti-phase square-wave voltage or sine voltage on the rubber lamp socket 4 at each EEFL1 two ends by transformer 6,6 from inverter 7.The voltage waveform that expression adds in the circle 10 among the figure.
Temperature Distribution when Fig. 2 represents that the backlight of above-mentioned formation is lighted, Fig. 3 represents Luminance Distribution.As mentioned above, outer electrode 5 is set,, becomes the GND current potential, be added on the electrode 3 at each EEFL1 two ends by square-wave voltage that phase place is opposite or sine voltage, thereby can reduce light tube electric voltage its ground connection at the sweep 1A place of each C shape pipe EEFL1.Promptly be located at when adding 2000Vrms voltage between the pair of external electrodes 3 at C shape pipe EEFL1 two ends, the current potential of the GND current potential of each outer electrode 3 also can be reduced to half 1000Vrms of light tube electric voltage relatively.Its result can prevent foregoing brightness irregularities along tube axial direction, can obtain approximate uniform Luminance Distribution.
In addition, though not shown sweep 1A, but promptly be arranged in effective light-emitting zone by being arranged in the set reflection lamp box of lamp door 2 inner surfaces, thereby shown in the curve among Fig. 2, sweep 1A one side of each EEFL1 and the temperature difference of electrode 3 one sides diminish, can prevent that mercury is concentrated, its result can prevent the generation of pink discharge.Have again,, can block the light of sweep 1A, so as shown in Figure 3, can reduce the brightness of each EEFL1 sweep 1A, can reduce the brightness irregularities on the source plate face backlight by on the sweep 1A of each C shape pipe EEFL1, forming electrode 5.
Also have, that adopt in the above-mentioned execution mode is C shape pipe EEFL, but also can adopt U-shaped pipe EEFL to replace, and in addition, the section of the bent-tube boiler fluorescent tube of these C shape pipes, U-shaped pipe is not only circle, and can adopt oval-shaped flat tube.In addition, owing to adopt C shape pipe EEFL,, but during U-shaped pipe EEFL,, be called ' sweep ' for similarly selecting public title for use in the coupling part that is called ' short side part ' in the present embodiment so claim the part of its bending to be ' sweep '.These are also all the same in following other execution mode.
Second execution mode
Fig. 4, Fig. 5 represent the backlight of second embodiment of the invention.The characteristics that present embodiment constitutes are: many C shape pipe EEFL1 are arranged respectively, make the pipe end of sweep 1A and the rubber lamp socket 4 that is contained in interior dress outer electrode 3 be positioned at different position mutually, and, rear side at lamp door 2, at two inverters 7 of both sides configuration, the transformer 6 that will add anti-phase square-wave voltage or sine voltage to the outer electrode 3 of each end is arranged on the position of the outer electrode 3 of close each fluorescent tube.Also have, the same label of mark is represented on the public key element of first execution mode in Fig. 4, Fig. 5 and shown in Fig. 1.By like this, in second execution mode, because many C shapes pipe EEFL1 alternately and round about are configured, the therefore alternately transposing of position of the outer electrode 3 that raises for temperature and the brightness of sweep 1A is so the temperature difference of tube axial direction, plate face luminance difference can reduce.
The 3rd execution mode
Below, with reference to Fig. 6 the backlight of third embodiment of the invention is described.The characteristics of the 3rd execution mode are: relative first execution mode shown in Fig. 1, the square-wave voltage or the sine voltage that are added on the rubber lamp socket 4 of each C shape pipe EEFL1 two ends one side are homophase.
The backlight that is present embodiment is arranged side by side many C shape pipe EEFL1 in lamp door 2, in outer electrode 3 of each end at the two ends of each EEFL1 is contained on the rubber lamp socket 4 loading electrode or conduction, in addition, on the sweep 1A of each EEFL1, outer electrode 3 is set again, connects GND.Make the sweep 1A of each EEFL1 be positioned at effective light-emitting zone.And, constitute power circuit, this circuit voltage waveform that expression adds in the two ends rubber lamp socket 4 of inverter 7 by 6 couples of each EEFL1 of public transformer adds the square-wave voltage of homophase or the circle the sine voltage figure 11.
In the backlight of above-mentioned formation, because of lamp two ends outer electrode 3 is added the alternating voltage of homophase, so do not produce potential difference at two interpolars.Therefore, can not occur in the interelectrode electric current that produces when the two poles of the earth are added the alternating voltage of out of phase leaks.Therefore, the Luminance Distribution when luminous, Temperature Distribution are almost the same with first execution mode, and its result can prevent the generation of pink discharge, in addition, can reduce the brightness irregularities on the source plate face backlight.In addition, under the situation of first execution mode shown in Fig. 1,, want two transformers 6 at least, but in contrast, under the situation of the 3rd execution mode, its advantage is can public minimum 1 transformer 6 in order to add anti-phase voltage.
Also have, be to adopt C shape pipe EEFL in the above-mentioned execution mode, but also can adopt U-shaped pipe EEFL to replace, in addition, the section of the bent-tube boiler fluorescent tube of these C shape pipes, U-shaped pipe is not only circle, and can adopt oval-shaped flat tube.
The 4th execution mode
Followingly the backlight of the 4th execution mode of the present invention is described with reference to Fig. 7 to Fig. 9.The characteristics of present embodiment are intermittently with bent-tube boiler EEFL1 of many lamps to light function.As shown in Figure 7, the structure of EEFL1 is at glass tube inwall coating fluorophor, make glass tube inside for enclosing a spot of Ar gas, Ne G﹠W silver after the negative pressure, seal this glass tube two ends, the soldering-tin layer about the long 20mm that this glass tube two ends formation is made of metals such as Sn, Ag is as electrode 3 again.The thickness of electrode 3 is set at 0.5～2 μ m, lamp self be shaped as C shape.The outside dimension of glass tube is can be corresponding with φ 2.4mm～φ 4mm.Have, the bent-tube boiler EEFL1 that uses in the present embodiment forms the outer electrode 5 identical with the electrode material of two ends outer electrode 3 at the tube outer wall of its sweep 1A again.The outer electrode 5 of this sweep 1A has the electrode length that doubles lamp tube ends outer electrode 3.This is that so will improve its durability, making electrode length is twice owing to the electric current that flows through sweep 1A is the twice that flows through the electric current of lamp tube ends, increases surface area.
The driving method of the EEFL1 that present embodiment adopts is, 40kHz is added on the outer electrode 3 at lamp two ends to the homophase sine voltage of hundreds of kHz, anti-phase sine voltage is added on the electrode 5 of sweep 1A with the frequency identical with being added in lamp tube ends.If this method, safety in the then electric use, and can realize the pipe range, external diameter of the long 800mm of surpassing of impossible up to now lamp the EEFL that can not produce corona discharge and ozone smaller or equal to φ 4mm.Also have, also can adopt the U-bend formula EEFL1 replaced C shape bent-tube boiler EEFL1 shown in Fig. 8.At this moment, size, electrode length, thickness etc. and Fig. 7's is identical.
The formation of the backlight of below utilize Fig. 9 to illustrate to make the many lamps of above-mentioned bent-tube boiler EEFL1, intermittently lighting.In the backlight of present embodiment, with transformer 6 square-wave voltage or sine voltage are added on the electrode 5 of the two end electrodes 3 of each bent-tube boiler EEFL1 and sweep 1A, make the bent-tube boiler EEFL1 Discharge illuminating of many lamps.
For ease of the explanation, for the EEFL1 to many lamps distinguishes, label be made as successively 1-1,1-2 ..., in order to distinguish the straight-tube portion of each EEFL1, the both sides straight-tube portion of EEFL1-1 marks the label of 1-11,1-12 respectively and represents.In addition, the transformer that voltage is added on each electrode 3 is also used label 6-11,6-12,6-13 in order to light each straight-tube portion ... to show difference.Have, the transformer that is added in for voltage on the electrode of each EEFL1 sweep 1A is also used label 6-21,6-22,6-23 again ... to show difference.
Now the driving method to the backlight of above-mentioned execution mode describes.To be added to opposite phase with the voltage of outer electrode 3, the 3 identical voltages of lamp tube ends, same frequency (from tens of kHz to hundreds of kHz) on the outer electrode 5 on the sweep 1A that is formed at each EEFL1.Be added on voltage on the lamp tube ends electrode 3 outward as a kind of design of electrical safety, its waveform is a homophase.So utilize the IC be configured in the circuit etc. to make the output signal of telecommunication variable, successively voltage be added on the two end electrodes 3.By like this, just can realize making straight-tube portion 1-11,1-12,1-21, the 1-22 of each EEFL1 ... drive luminous successively intermittence.
Also have, in order to change the brightness of backlight self, drive the intermittence that is not straight-tube portion, and will do the EEFL1 of whole small cup lamp intermittently to drive, but as the driving method of a kind of this moment, be for the outer electrode of sweep 1A also with above-mentioned same, add the identical voltage of applied voltage with the outer electrode 3 of lamp tube ends, again voltage is added on the outer electrode 3 of lamp tube ends, thereby also can makes whole small cup lamp carry out once intermittently driving.
Also have, more than the backlight as embodiments of the present invention is illustrated for example the different lighting device of purposes but the present invention is widely applicable for same formation.

Claims (7)

1. lighting device, it is the lighting device that is arranged side by side many bent-tube boiler fluorescent lamps, constituting of described bent-tube boiler fluorescent lamp: the inwall at glass tube forms fluorescent film, in the internal discharge space of described glass tube, enclose one or more rare gas or mercury and one or more rare gas, with described glass tube closed at both ends, and, it is characterized in that at the middle part of described glass tube formation sweep
Two ends and sweep at described bent-tube boiler fluorescent lamp form outer electrode,
Anti-phase square-wave voltage or sine voltage are added in respectively on the outer electrode at described two ends, and the outer electrode of described sweep connects GND.
2. lighting device as claimed in claim 1 is characterized in that,
Described many bent-tube boiler fluorescent lamps are arranged side by side in forming the reflection lamp box of lamp door, and described sweep to be configured in the described reflection lamp box be in effective light-emitting zone.
3. lighting device as claimed in claim 2 is characterized in that,
The position that described many bent-tube boiler fluorescent lamps are configured to the outer electrode of the outer electrode at described two ends and sweep alternately is positioned at an opposite side, described square-wave voltage or sine voltage is added in the inverter circuit decentralized configuration used on these many bent-tube boiler fluorescent lamps both sides in described lamp door rear side.
4. lighting device as claimed in claim 3 is characterized in that,
Described bent-tube boiler fluorescent lamp is C shape tube shape or U-shaped tube shape.
5. lighting device, it is the lighting device that is arranged side by side many bent-tube boiler fluorescent lamps, constituting of described bent-tube boiler fluorescent lamp: the inwall at glass tube forms fluorescent film, in the internal discharge space of described glass tube, enclose one or more rare gas or mercury and one or more rare gas, with described glass tube closed at both ends, and, it is characterized in that at the middle part of described glass tube formation sweep
Two ends and sweep at described bent-tube boiler fluorescent lamp form outer electrode,
The square-wave voltage or the sine voltage of homophase are added in respectively on the outer electrode at described two ends, and the outer electrode of described sweep connects GND.
6. lighting device as claimed in claim 5 is characterized in that,
Described many bent-tube boiler fluorescent lamps are arranged side by side in inside forms the lamp door of reflecting plate, and described sweep to be configured in the zone that described reflecting plate is set be in effective light-emitting zone.
7. lighting device as claimed in claim 6 is characterized in that,
Described bent-tube boiler fluorescent lamp is C shape tube shape or U-shaped tube shape.
CNA2006100054524A 2005-01-18 2006-01-18 Luminaire Pending CN1809238A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005010171 2005-01-18
JP2005010171A JP2006202517A (en) 2005-01-18 2005-01-18 Illumination device

Publications (1)

Publication Number Publication Date
CN1809238A true CN1809238A (en) 2006-07-26

Family

ID=36840870

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006100054524A Pending CN1809238A (en) 2005-01-18 2006-01-18 Luminaire

Country Status (4)

Country Link
JP (1) JP2006202517A (en)
KR (1) KR20060083897A (en)
CN (1) CN1809238A (en)
TW (1) TW200628931A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227782B (en) * 2008-02-14 2011-09-28 友达光电股份有限公司 Backlight module
CN101764036B (en) * 2008-12-23 2011-11-02 启耀光电股份有限公司 Illumination device
CN101685757B (en) * 2008-09-25 2011-12-28 北京京东方光电科技有限公司 Fluorescent lamp and back light module

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008034112A (en) * 2006-07-26 2008-02-14 Taiyo Yuden Co Ltd Lamp and lamp assembly
CN102026459B (en) * 2009-09-21 2013-12-11 冠捷投资有限公司 Drive circuit of cold-cathode fluorescence lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227782B (en) * 2008-02-14 2011-09-28 友达光电股份有限公司 Backlight module
CN101685757B (en) * 2008-09-25 2011-12-28 北京京东方光电科技有限公司 Fluorescent lamp and back light module
CN101764036B (en) * 2008-12-23 2011-11-02 启耀光电股份有限公司 Illumination device

Also Published As

Publication number Publication date
JP2006202517A (en) 2006-08-03
KR20060083897A (en) 2006-07-21
TW200628931A (en) 2006-08-16

Similar Documents

Publication Publication Date Title
CN1716038A (en) Backlight unit for liquid crystal display device
JP2002008408A (en) Fluorescent lamp, backlight, and operating method for backlight
CN1809238A (en) Luminaire
TWI247949B (en) Illuminating device
CN101331805A (en) Dielectric barrier discharge lamp device and backlight for liquid crystal display
US7374314B2 (en) External electrode fluorescent lamp and manufacturing method thereof
JP4171060B2 (en) Illumination device and liquid crystal display device
KR20060005610A (en) Flat fluorescent lamp and liquid crystal display device having the same
EP1693881A1 (en) Flat fluorescent lamp
CN1902536A (en) Channel structure of flat fluorescent lamp
US20100117541A1 (en) Lighting Device
KR100478447B1 (en) External electrode florescent lamp
CN2699470Y (en) Large-power cold-cathode fluorescent energy-saving lamp
CN100342481C (en) Cold cathode fluorescent lamp assembly
KR100918872B1 (en) Hg-Free CCFL for Babklight Unit
KR101196266B1 (en) An fluorescent lamp for liquid crystal display device
CN2696113Y (en) Cold-cathode fluorescent lamp
KR200387550Y1 (en) Structure of improved fluorescent lighting
KR101034705B1 (en) Backlight assembly and operating method thereof
CN2724195Y (en) Color cold cathode fluorescent lamp
JP2008186683A (en) Planar light-emitting lamp and liquid-crystal display device using the same
KR100595053B1 (en) back light of liquid crystal display
KR100896323B1 (en) Backlight for Outdoor lighting
KR20080105705A (en) Liquid crystal display device module including external electrode fluorescent lamp
KR20060010205A (en) External electrode fluorescent lamp for backlight

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: 20060726