WO2005055273A1 - 平面蛍光ランプ - Google Patents
平面蛍光ランプ Download PDFInfo
- Publication number
- WO2005055273A1 WO2005055273A1 PCT/JP2004/018314 JP2004018314W WO2005055273A1 WO 2005055273 A1 WO2005055273 A1 WO 2005055273A1 JP 2004018314 W JP2004018314 W JP 2004018314W WO 2005055273 A1 WO2005055273 A1 WO 2005055273A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaped
- phosphor coating
- grooves
- fluorescent lamp
- rows
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 25
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052753 mercury Inorganic materials 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/305—Flat vessels or containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/92—Lamps with more than one main discharge path
-
- 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
Definitions
- the present invention relates to a backlight for a liquid crystal display device, which is mounted on the back surface of a liquid crystal display device and irradiates the back surface of the liquid crystal display device to generate luminance on the display surface of the liquid crystal display device which does not emit light.
- the present invention relates to a flat fluorescent lamp for a large backlight for a large liquid crystal television and the like.
- backlights for liquid crystal display devices mainly use a combination of a plurality of cold cathode fluorescent lamps and an acrylic light guide plate.
- An increase in the number of cold cathode fluorescent lamps used due to the large area of the apparatus has been a problem.
- the flat fluorescent lamp for a liquid crystal knock light described in Non-Patent Document 1 has a problem that a 1-inch type can be produced, but a 5-inch type cannot withstand the outside air pressure.
- Non-Patent Document 1 Nikkei High-Tech Information, “New Product Topics” dated July 2, 1990, page 21 Disclosure of Invention
- the problem to be solved by the present invention is to provide a flat surface capable of withstanding the atmospheric pressure even in a large area, having a uniform surface luminance and emitting light even at low temperatures. It is to realize a fluorescent lamp.
- the flat fluorescent lamp according to the present invention has a U-shaped groove having a substantially U-shaped cross section, except for a welded portion on the outer periphery and a portion for attaching a member such as a cylindrical electrode.
- the U-shaped groove and the wavy parallel groove are perpendicular to the rectangular rear glass substrate on which the film is formed, and the U-shaped groove and the wavy parallel groove are in contact on the inner surface with the respective phosphor coatings interposed therebetween.
- the outer periphery is welded to form a lamp envelope with the glass frame in which the exhaust pipe and other members are sealed in advance, and the lamp envelope is set up so that the u-shaped groove is horizontally long.
- the exhaust pipe is sealed to the glass frame on the upper side of the installation, and two sets of U-shaped lighting lead wires are welded to the opposite glass frame on the side of the installation by welding multiple sets of cylindrical electrodes, respectively. Seals so as to face each other with a tunnel-shaped cavity formed between the grooves, and seals a heater introduction wire with one or more sets of heater wires connected to the glass frame below the installation.
- a U-shaped groove with a substantially u-shaped cross section is included in the area excluding the welded part on the outer periphery and the part where the members such as cylindrical electrodes are attached.
- a rectangular rear glass substrate with multiple rows of grooves and a phosphor coating formed in the area excluding the welded portion on the inner surface is connected to a U-shaped groove and a wavy parallel groove at right angles.
- the shape groove and the wavy parallel groove are overlapped so as to be in contact with each other with the phosphor coating in between, and the outer periphery is welded to the lamp envelope by sandwiching the glass frame in which the exhaust pipe and other members are sealed in advance.
- a lighting lead wire obtained by welding a plurality of sets of cylindrical electrodes to opposing glass frames on the side of installation of the flat fluorescent lamp, The structure is sealed so that the tunnel-shaped cavity formed between two rows of u-shaped grooves is sandwiched between them, and a voltage is applied to the light-introducing wire to discharge it, and the phosphor coating in the tunnel-shaped cavity is applied.
- the u-shaped groove and the wavy parallel groove are overlapped so as to be in contact with each other with the phosphor coating interposed therebetween.
- the problem is solved by compensating for the partial decrease in brightness by emitting light from the U-shaped groove wall surface, making the surface brightness as a flat fluorescent lamp uniform.
- flat fluorescent As a means for realizing a flat fluorescent lamp capable of emitting light even at low temperatures, flat fluorescent One or more sets of heater wires connected to a heater frame are connected to the glass frame below the lamp, and energized to heat the enclosed mercury remaining under the lamp when the lamp is turned off. The problem is solved by sufficiently evaporating even below the freezing point and causing the phosphor coating to emit light brightly.
- the present invention realizes a best mode for carrying out the invention described below, and implements means for solving the above-mentioned problems, thereby achieving a structure capable of withstanding an external pressure even in a large area.
- the present invention has an effect of realizing a flat fluorescent lamp for a large backlight for a large liquid crystal television or the like, which is uniform and can emit light even at a low temperature.
- a plurality of U-shaped grooves having a substantially U-shaped cross section are formed in parallel in a range excluding a welded portion on the outer periphery and a portion where a member such as a cylindrical electrode is attached.
- the rectangular rear glass substrate on which the phosphor coating is formed in the area excluding the welded part on the inner surface is connected to the U-shaped groove and the wavy parallel groove at right angles to the U-shaped groove and the wavy parallel groove. Are overlapped so that they contact each other with the phosphor coatings in between, and the outer periphery is welded to form a lamp envelope with the glass frame in which exhaust pipes and other members are sealed in advance, and a u-shaped groove is formed.
- the lamp envelope is set up in a horizontal orientation, the upper glass An exhaust pipe was sealed to the frame, and lighting lead lines, which were formed by welding multiple sets of cylindrical electrodes, were formed between two rows of U-shaped grooves, respectively, on the opposite glass frame on the side of the installation.
- FIG. 1 is a plan view showing Embodiment 1 of a flat fluorescent lamp according to the present invention.
- FIG. 2 is a sectional view taken along line AA of FIG. 1.
- FIG. 3 is a sectional view taken along line BB of FIG. 1.
- a plurality of U-shaped grooves having a substantially U-shaped cross section are formed in parallel in a range excluding a welding portion on an outer periphery and a mounting portion of a member such as a cylindrical electrode, and welding on an inner surface side.
- the U-shaped groove and the wavy parallel groove are perpendicular to each other, and the U-shaped groove and the wavy parallel groove are perpendicular to each other.
- the phosphor coating is overlapped so as to be in contact with it, and the outer periphery is welded to sandwich the glass frame in which the exhaust pipe and other members have been sealed beforehand to form a lamp envelope.
- the glass frame A pair of cylindrical electrodes are welded to the opposite glass frame on the side of the installation where the exhaust pipe is sealed.
- the heater is connected so that one or more sets of heater wires are connected to the glass frame on the lower side of the installation. It has a structure that can withstand the atmospheric pressure even in a large area, has a uniform surface brightness, and realizes a flat fluorescent lamp capable of emitting light even at low temperatures.
- Example 1 as the best mode for carrying out the present invention covers a region excluding a welded portion on the outer periphery and a member attaching portion such as a cylindrical electrode.
- the wavy parallel grooves are orthogonal to each other, and the U-shaped grooves and the wavy parallel grooves are overlapped on the inner surface so that they contact each other with the phosphor coating 4 and the phosphor coating 5 interposed therebetween.
- the outer periphery is welded to sandwich the attached glass frame 3 to form a lamp envelope, and the U-shaped groove is elongated horizontally.
- the exhaust pipe 6 was sealed to the glass frame 3 on the upper side of the installation, and a plurality of sets of cylindrical electrodes 8 were welded to the opposite glass frame 3 on the installation side.
- the lighting lead wires 7 are sealed so as to face each other with a tunnel-shaped cavity formed between two rows of U-shaped grooves, and one pair or It has a structure in which the heater lead-in wire 9 connected to multiple sets of heater wires 10 is sealed, and has a structure that can withstand the external atmospheric pressure even in a large area, has a uniform surface brightness, and can emit light even at low temperatures. It realizes a fluorescent lamp.
- the depth of the U-shaped groove is set to be deeper than the depth of the wavy parallel groove within the predetermined thickness range of the lamp envelope, so that the cross-sectional area of the tunnel-shaped cavity is increased. We are careful about.
- Example 1 will be described in more detail.
- U-shaped groove and wavy parallel groove are straight
- the U-shaped groove and the wavy parallel groove are overlapped on the inner surface so that they contact each other with the phosphor coating 4 and the phosphor coating 5 interposed therebetween.
- the outer periphery is welded to form a lamp envelope.
- the front glass substrate 1 is reinforced by forming multiple rows of U-shaped grooves in parallel, and corrugated parallel grooves are formed.
- the rear glass substrate 2 is reinforced, and the U-shaped grooves and the wavy parallel grooves are orthogonal to each other, and the U-shaped grooves and the wavy parallel grooves are formed on the inner surface side of the phosphor coating 4 and the phosphor coating 5
- the pressure resistance of the lamp enclosure is improved, and a flat fluorescent lamp having a structure that can withstand the external atmospheric pressure even in a large area is realized.
- the best mode of forming the exhaust pipe 6 is as shown in Figs. 1 and 2, in which the glass pipe is sealed to the glass frame 3 on the upper side of the installation of the flat fluorescent lamp to form the exhaust pipe 6.
- This enables exhaust of the flat fluorescent lamp and sealing of an inert gas (not shown) such as neon or argon and mercury (not shown). Further, the effect of sealing on the upper side of the installation can prevent mercury from entering and staying in the exhaust pipe 6.
- an inert gas such as neon or argon and mercury
- FIG. 1 The best mode for realizing a flat fluorescent lamp having a uniform surface luminance is shown in Figs. 1, 2 and 3, in which an opposing glass frame 3 on the side of the flat fluorescent lamp is installed.
- a pair of cylindrical electrodes 7 are welded to each other and lead-in wires 7 are sealed so that they face each other with a tunnel-shaped cavity formed between two rows of U-shaped grooves.
- three separately prepared lighting devices (not shown)
- three rows of fluorescent discharges are generated between the three sets of cylindrical electrodes 8.
- the non-light-emitting portion lowers the brightness at the bottom of the U-shaped groove, by supplementing the brightness with the light emission from the U-shaped groove wall surface, a flat fluorescent lamp having a uniform surface brightness can be realized.
- the number of rows of U-shaped grooves and corrugated parallel grooves should be increased, and the number of lighting lead-ins 7 to which the cylindrical electrodes 8 were welded should be further increased from three sets. ⁇ .
- the reason why the U-shaped groove is formed on the front glass substrate 1 instead of the wavy parallel groove is that the U-shaped groove can set the width of the tunnel-shaped cavity wider, and the cylindrical electrode 8 Since it is possible to increase the area of the phosphor coating film in which the welded light-introducing lead wire 7 can emit light in a group, it is possible to increase the luminous efficiency of the flat fluorescent lamp.
- the depth of the U-shaped groove may be set to be deeper than the depth of the wavy parallel groove within the predetermined thickness range of the lamp envelope to increase the cross-sectional area of the tunnel-shaped cavity. Thus, the luminous efficiency of the flat fluorescent lamp can be increased.
- FIGS. 1 and 2 The best mode for realizing a flat fluorescent lamp capable of emitting light even at a low temperature is as shown in FIGS. 1 and 2, in which a heater wire 10 is connected to a glass frame 3 below the flat fluorescent lamp installation.
- the heater introduction wire 9 is sealed and the heater wire 10 is energized through the heater introduction wire 9 to heat the mercury that has accumulated under the lamp when the lamp is turned off and sufficiently evaporate.
- the number of heater introduction lines 9 connected to the heater wires 10 may be increased from one set to a plurality of sets.
- the heater wire 10 is a round wire or a band wire as shown in FIGS.
- the material of the heater wire is generally tungsten, molybdenum, etc. 1S
- zirconium is most suitable. Since zirconium has a getter effect at a temperature of approximately 200 ° C and a temperature of approximately 600 ° C, the use of zirconium has a heater effect as well as a getter effect. It is possible to remove carbon, carbon monoxide, water vapor, etc., and it is expected that the performance and quality of the flat fluorescent lamp will be further improved.
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/544,834 US7679289B2 (en) | 2003-12-08 | 2004-12-08 | Flat fluorescent lamp having grooves |
CN200480003740.5A CN1748282B (zh) | 2003-12-08 | 2004-12-08 | 平面荧光灯 |
DE200411000259 DE112004000259B4 (de) | 2003-12-08 | 2004-12-08 | Flache Leuchtstofflampe |
EP04819971A EP1693881B1 (en) | 2003-12-08 | 2004-12-08 | Flat fluorescent lamp |
GB0516064A GB2413893B (en) | 2003-12-08 | 2004-12-08 | Flat fluorescent lamp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-436375 | 2003-12-08 | ||
JP2003436375A JP4993843B2 (ja) | 2003-12-08 | 2003-12-08 | 平面蛍光ランプ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005055273A1 true WO2005055273A1 (ja) | 2005-06-16 |
Family
ID=32291314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/018314 WO2005055273A1 (ja) | 2003-12-08 | 2004-12-08 | 平面蛍光ランプ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7679289B2 (ja) |
EP (1) | EP1693881B1 (ja) |
JP (1) | JP4993843B2 (ja) |
KR (1) | KR101023717B1 (ja) |
CN (1) | CN1748282B (ja) |
DE (1) | DE112004000259B4 (ja) |
GB (1) | GB2413893B (ja) |
WO (1) | WO2005055273A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4993843B2 (ja) | 2003-12-08 | 2012-08-08 | エルジー ディスプレイ カンパニー リミテッド | 平面蛍光ランプ |
JP4545453B2 (ja) | 2004-01-26 | 2010-09-15 | エルジー ディスプレイ カンパニー リミテッド | 平面蛍光ランプの点灯方法 |
KR100596905B1 (ko) * | 2004-03-15 | 2006-07-04 | 삼성코닝 주식회사 | 면광원 장치 |
TWI245576B (en) | 2004-10-22 | 2005-12-11 | Au Optronics Corp | Mercury-heating device and method of manufacturing the same |
CN1331186C (zh) * | 2004-11-01 | 2007-08-08 | 友达光电股份有限公司 | 应用于平面光源的汞加热装置及其制造方法 |
KR20060083747A (ko) * | 2005-01-18 | 2006-07-21 | 삼성전자주식회사 | 평판형광램프 및 이를 갖는 액정표시장치 |
US7375469B2 (en) * | 2005-02-02 | 2008-05-20 | Zippy Technology Corp. | Electrode structure of planar lamp |
US20070182310A1 (en) * | 2006-02-09 | 2007-08-09 | Honeywell International, Inc. | Methods and apparatus for increasing the luminescence of fluorescent lamps |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS56129063U (ja) * | 1980-02-29 | 1981-10-01 | ||
JPS6380461A (ja) * | 1986-09-24 | 1988-04-11 | Toshiba Corp | メタルハライドランプ |
JPH0175958U (ja) * | 1987-11-09 | 1989-05-23 | ||
JPH05503607A (ja) * | 1990-08-03 | 1993-06-10 | リン ジャド ビー | 薄平状真空シール形外囲容器 |
JPH05182638A (ja) * | 1991-07-22 | 1993-07-23 | Toshiba Lighting & Technol Corp | 冷陰極小形低圧水銀放電灯 |
JPH08273603A (ja) * | 1995-03-31 | 1996-10-18 | Sanyo Electric Co Ltd | 平面蛍光ランプ |
US6294867B1 (en) | 1999-01-25 | 2001-09-25 | Judd Lynn | Flourescent lamp with uniform output |
Family Cites Families (17)
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JPS5677725A (en) | 1979-11-29 | 1981-06-26 | Minolta Camera Co Ltd | Photometric apparatus |
JPS56129063A (en) | 1980-03-12 | 1981-10-08 | Kawaguchi Kinzoku Kogyo Kk | Production of insulating staple |
US5387921A (en) | 1992-10-08 | 1995-02-07 | Panocorp Display Systems | Scanning back illuminating light source for liquid crystal and other displays |
JPH0882796A (ja) * | 1994-09-09 | 1996-03-26 | Casio Comput Co Ltd | バックライト付き表示装置 |
JPH08212974A (ja) * | 1995-02-08 | 1996-08-20 | Nippon Sheet Glass Co Ltd | 平面発光型放電灯 |
JPH09265950A (ja) * | 1996-03-29 | 1997-10-07 | Toshiba Lighting & Technol Corp | 蛍光ランプ、蛍光ランプ装置およびこれを用いた照明装置 |
US5808418A (en) * | 1997-11-07 | 1998-09-15 | Honeywell Inc. | Control mechanism for regulating the temperature and output of a fluorescent lamp |
US6127780A (en) * | 1998-02-02 | 2000-10-03 | Winsor Corporation | Wide illumination range photoluminescent lamp |
US20010033483A1 (en) * | 2000-03-01 | 2001-10-25 | Moore Chad Byron | Fluorescent lamp composed of arrayed glass structures |
US6822404B2 (en) * | 2000-03-13 | 2004-11-23 | Toyama Prefecture | Phase-controlled, multi-electrode type of AC discharge light source |
JP4554770B2 (ja) * | 2000-06-19 | 2010-09-29 | Nec液晶テクノロジー株式会社 | 液晶表示装置 |
TW454217B (en) * | 2000-07-21 | 2001-09-11 | Acer Display Tech Inc | Flat panel display having sealing glass of guiding slot |
JP2002190276A (ja) | 2000-12-11 | 2002-07-05 | Ind Technol Res Inst | フラット電極配備のフラット蛍光ランプ及びその製造方法 |
US7218047B2 (en) * | 2000-12-13 | 2007-05-15 | Hamamatsu Photonics K. K. | Indirectly heated electrode for gas discharge tube |
JP4881541B2 (ja) | 2003-11-17 | 2012-02-22 | エルジー ディスプレイ カンパニー リミテッド | 平面蛍光ランプ |
JP4660089B2 (ja) | 2003-11-21 | 2011-03-30 | エルジー ディスプレイ カンパニー リミテッド | 平面蛍光ランプ |
JP4993843B2 (ja) | 2003-12-08 | 2012-08-08 | エルジー ディスプレイ カンパニー リミテッド | 平面蛍光ランプ |
-
2003
- 2003-12-08 JP JP2003436375A patent/JP4993843B2/ja not_active Expired - Lifetime
-
2004
- 2004-12-08 GB GB0516064A patent/GB2413893B/en active Active
- 2004-12-08 WO PCT/JP2004/018314 patent/WO2005055273A1/ja active Application Filing
- 2004-12-08 EP EP04819971A patent/EP1693881B1/en active Active
- 2004-12-08 DE DE200411000259 patent/DE112004000259B4/de active Active
- 2004-12-08 US US10/544,834 patent/US7679289B2/en active Active
- 2004-12-08 CN CN200480003740.5A patent/CN1748282B/zh active Active
- 2004-12-08 KR KR1020057013760A patent/KR101023717B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56129063U (ja) * | 1980-02-29 | 1981-10-01 | ||
JPS6380461A (ja) * | 1986-09-24 | 1988-04-11 | Toshiba Corp | メタルハライドランプ |
JPH0175958U (ja) * | 1987-11-09 | 1989-05-23 | ||
JPH05503607A (ja) * | 1990-08-03 | 1993-06-10 | リン ジャド ビー | 薄平状真空シール形外囲容器 |
JPH05182638A (ja) * | 1991-07-22 | 1993-07-23 | Toshiba Lighting & Technol Corp | 冷陰極小形低圧水銀放電灯 |
JPH08273603A (ja) * | 1995-03-31 | 1996-10-18 | Sanyo Electric Co Ltd | 平面蛍光ランプ |
US6294867B1 (en) | 1999-01-25 | 2001-09-25 | Judd Lynn | Flourescent lamp with uniform output |
Non-Patent Citations (2)
Title |
---|
"Nikkei Hi-tech Report", NEW PRODUCT TOPIC, 2 July 1990 (1990-07-02), pages 21 |
See also references of EP1693881A4 |
Also Published As
Publication number | Publication date |
---|---|
GB2413893A (en) | 2005-11-09 |
DE112004000259T5 (de) | 2006-11-02 |
GB2413893B (en) | 2007-10-03 |
EP1693881B1 (en) | 2009-08-05 |
US7679289B2 (en) | 2010-03-16 |
US20060255737A1 (en) | 2006-11-16 |
KR20060115322A (ko) | 2006-11-08 |
JP4993843B2 (ja) | 2012-08-08 |
CN1748282B (zh) | 2010-09-29 |
EP1693881A1 (en) | 2006-08-23 |
CN1748282A (zh) | 2006-03-15 |
JP2004134410A (ja) | 2004-04-30 |
EP1693881A4 (en) | 2007-08-22 |
KR101023717B1 (ko) | 2011-03-25 |
GB0516064D0 (en) | 2005-09-14 |
DE112004000259B4 (de) | 2015-05-13 |
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