JP4678775B2 - 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 - Google Patents
冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 Download PDFInfo
- Publication number
- JP4678775B2 JP4678775B2 JP2005360616A JP2005360616A JP4678775B2 JP 4678775 B2 JP4678775 B2 JP 4678775B2 JP 2005360616 A JP2005360616 A JP 2005360616A JP 2005360616 A JP2005360616 A JP 2005360616A JP 4678775 B2 JP4678775 B2 JP 4678775B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- cathode fluorescent
- crystal display
- fluorescent tube
- cold cathode
- 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.)
- Expired - Fee Related
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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
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
-
- 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
- Liquid Crystal (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
Claims (6)
- 内面に蛍光体膜が形成された透光性絶縁材料からなる外套管の放電領域側に開口部を有し、前記開口部と反対側端に有する底部外壁に前記外套管に外側から電力を供給するインナーリードを接合したカップ状電極を前記外套管の両端内部に具備した冷陰極蛍光管であって、
前記外套管の前記カップ状電極の近傍内壁の前記蛍光体膜上に放電誘発膜を有し、
前記放電誘発膜は、ディップ処理により形成されたITO膜またはIZO膜であり、前記カップ状電極と組成が異なることを特徴とする冷陰極蛍光管。 - 前記放電誘発膜は、膜厚を2μm以下とすることを特徴とする請求項1に記載の冷陰極蛍光管。
- 前記放電誘発膜を形成するITO膜が、前記カップ状電極の開口先端部近傍の外套管内壁面に3mmの長さ形成されたことを特徴とする請求項1に記載の冷陰極蛍光管。
- 前記放電誘発膜を形成するIZO膜が、前記カップ状電極の開口先端部近傍の外套管内壁面に3mmの長さ形成されたことを特徴とする請求項1に記載の冷陰極蛍光管。
- 液晶表示パネルと、前記液晶表示パネルの背面または前面に設置した照明装置とから構成され、前記照明装置の光源が請求項1に記載の冷陰極蛍光管を具備していることを特徴とする液晶表示装置。
- 内面に画素形成用の電極を有する一対の透明基板の間に液晶層を挟持して構成された液晶表示パネルと、
前記液晶表示パネルの背面に照明光を照射する少なくとも1本の冷陰極蛍光管を有するバックライトと、
前記液晶表示パネルと前記バックライトとの間に介挿された光学補償シート積層体と、
前記液晶表示パネル及び前記バックライトを収容するフレームと、
を備えた液晶表示装置であって、
前記バックライトは、請求項1に記載の冷陰極蛍光管を具備していることを特徴とする液晶表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005360616A JP4678775B2 (ja) | 2005-12-14 | 2005-12-14 | 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 |
US11/636,461 US7701531B2 (en) | 2005-12-14 | 2006-12-11 | Cold-cathode fluorescent lamp for LCD having cup-shaped electrodes inside mantle tube with a non-sputtered transparent conductive film of a predetermined thickness formed on inside surface of mantle tube near each open end of the cup-shaped electrodes |
CN2006101670627A CN1983506B (zh) | 2005-12-14 | 2006-12-14 | 冷阴极荧光管及使用了该冷阴极荧光管的液晶显示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005360616A JP4678775B2 (ja) | 2005-12-14 | 2005-12-14 | 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007165146A JP2007165146A (ja) | 2007-06-28 |
JP4678775B2 true JP4678775B2 (ja) | 2011-04-27 |
Family
ID=38165935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005360616A Expired - Fee Related JP4678775B2 (ja) | 2005-12-14 | 2005-12-14 | 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7701531B2 (ja) |
JP (1) | JP4678775B2 (ja) |
CN (1) | CN1983506B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5273334B2 (ja) * | 2007-02-26 | 2013-08-28 | 株式会社ジャパンディスプレイ | 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 |
JP5011473B2 (ja) * | 2007-07-04 | 2012-08-29 | 株式会社ジャパンディスプレイイースト | 液晶表示装置及びその製造方法 |
US8362678B2 (en) * | 2008-11-27 | 2013-01-29 | Samsung Display Co., Ltd. | Lamp structure and liquid crystal display apparatus having the same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04121944A (ja) * | 1990-09-10 | 1992-04-22 | Toshiba Lighting & Technol Corp | 冷陰極放電灯およびこれを用いた照明装置ならびに液晶表示装置 |
JPH08102291A (ja) * | 1994-09-30 | 1996-04-16 | Toshiba Lighting & Technol Corp | 希ガス放電灯およびこれを用いた照明装置 |
JPH08273589A (ja) * | 1995-03-30 | 1996-10-18 | Toshiba Lighting & Technol Corp | 冷陰極放電ランプ装置およびこれを用いた照明装置ならびにバックライト、液晶表示装置 |
JP2001076617A (ja) * | 1999-08-31 | 2001-03-23 | Hitachi Ltd | 放電管およびこの放電管を照明光源とした液晶表示装置 |
JP2003036813A (ja) * | 2001-05-17 | 2003-02-07 | Matsushita Electric Ind Co Ltd | 冷陰極放電ランプ及びその製造方法 |
JP2003051284A (ja) * | 2001-05-30 | 2003-02-21 | Toshiba Lighting & Technology Corp | 蛍光ランプおよび照明器具 |
JP2004006185A (ja) * | 2001-07-23 | 2004-01-08 | Toshiba Lighting & Technology Corp | 蛍光ランプおよび照明装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0166103B1 (ko) * | 1993-09-30 | 1999-01-15 | 가노 다다오 | 저압 수은 증기 방전형 램프 및 이를 이용하는 발광장치 |
JP2002231133A (ja) | 2001-01-29 | 2002-08-16 | Hitachi Ltd | 冷陰極蛍光ランプの製造方法 |
TW574110B (en) * | 2001-10-25 | 2004-02-01 | Matsushita Electric Works Ltd | Composite thin film holding substrate, transparent conductive film holding substrate, and panel light emitting body |
JP4276005B2 (ja) * | 2003-06-30 | 2009-06-10 | 株式会社 日立ディスプレイズ | 冷陰極蛍光管及びこの冷陰極蛍光管を用いた液晶表示装置 |
-
2005
- 2005-12-14 JP JP2005360616A patent/JP4678775B2/ja not_active Expired - Fee Related
-
2006
- 2006-12-11 US US11/636,461 patent/US7701531B2/en not_active Expired - Fee Related
- 2006-12-14 CN CN2006101670627A patent/CN1983506B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04121944A (ja) * | 1990-09-10 | 1992-04-22 | Toshiba Lighting & Technol Corp | 冷陰極放電灯およびこれを用いた照明装置ならびに液晶表示装置 |
JPH08102291A (ja) * | 1994-09-30 | 1996-04-16 | Toshiba Lighting & Technol Corp | 希ガス放電灯およびこれを用いた照明装置 |
JPH08273589A (ja) * | 1995-03-30 | 1996-10-18 | Toshiba Lighting & Technol Corp | 冷陰極放電ランプ装置およびこれを用いた照明装置ならびにバックライト、液晶表示装置 |
JP2001076617A (ja) * | 1999-08-31 | 2001-03-23 | Hitachi Ltd | 放電管およびこの放電管を照明光源とした液晶表示装置 |
JP2003036813A (ja) * | 2001-05-17 | 2003-02-07 | Matsushita Electric Ind Co Ltd | 冷陰極放電ランプ及びその製造方法 |
JP2003051284A (ja) * | 2001-05-30 | 2003-02-21 | Toshiba Lighting & Technology Corp | 蛍光ランプおよび照明器具 |
JP2004006185A (ja) * | 2001-07-23 | 2004-01-08 | Toshiba Lighting & Technology Corp | 蛍光ランプおよび照明装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1983506A (zh) | 2007-06-20 |
JP2007165146A (ja) | 2007-06-28 |
US7701531B2 (en) | 2010-04-20 |
US20070138934A1 (en) | 2007-06-21 |
CN1983506B (zh) | 2011-04-27 |
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