KR101110503B1 - 냉음극관용 전극과 그것을 이용한 냉음극관 및 액정 표시 장치 - Google Patents
냉음극관용 전극과 그것을 이용한 냉음극관 및 액정 표시 장치 Download PDFInfo
- Publication number
- KR101110503B1 KR101110503B1 KR1020097003498A KR20097003498A KR101110503B1 KR 101110503 B1 KR101110503 B1 KR 101110503B1 KR 1020097003498 A KR1020097003498 A KR 1020097003498A KR 20097003498 A KR20097003498 A KR 20097003498A KR 101110503 B1 KR101110503 B1 KR 101110503B1
- Authority
- KR
- South Korea
- Prior art keywords
- cold cathode
- electrode
- cathode tube
- side wall
- tungsten
- Prior art date
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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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/09—Hollow cathodes
-
- 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
-
- 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
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
-
- 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
- H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
- H01J61/78—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Discharge Lamp (AREA)
Abstract
Description
W/T | 스퍼터링 수율 (atoms/ion) |
0.001 | 0.68 |
0.002 | 0.63 |
0.003 | 0.58 |
0.004 | 0.59 |
0.005 | 0.58 |
0.01 | 0.57 |
0.03 | 0.58 |
0.05 | 0.57 |
0.07 | 0.57 |
0.10 | 0.57 |
W/T | 절곡 횟수(회) |
0.001 | 16 |
0.005 | 14 |
0.01 | 13 |
0.03 | 11 |
0.05 | 10 |
0.06 | 9 |
0.07 | 8 |
0.08 | 1 |
0.09 | 0 |
0.10 | 0 |
칼륨 함유량 (ppm) |
일 함수 (eV) |
0 | 4.8 |
15 | 4.8 |
30 | 4.7 |
45 | 4.3 |
60 | 4.3 |
75 | 4.2 |
100 | 4.2 |
150 | 4.2 |
200 | 4.2 |
산화토륨 함유량 (ppm) |
일 함수 (eV) |
0 | 4.8 |
15 | 4.7 |
30 | 4.7 |
45 | 4.0 |
60 | 4.1 |
75 | 4.0 |
100 | 4.0 |
1000 | 4.0 |
1700 | 3.8 |
칼륨 함유량 (ppm) |
산화토륨 함유량 (ppm) |
일 함수 (eV) |
0 | 0 | 4.8 |
0 | 1000 | 4.0 |
0 | 1700 | 3.8 |
50 | 0 | 4.3 |
50 | 1000 | 3.9 |
50 | 1700 | 3.8 |
칼륨 함유량 (ppm) |
산화토륨 함유량 (ppm) |
산화세륨 함유량 (ppm) |
일 함수 (eV) |
0 | 0 | 0 | 4.8 |
0 | 50 | 0 | 4.3 |
50 | 50 | 0 | 4.2 |
0 | 50 | 50 | 4.0 |
50 | 50 | 50 | 4.0 |
Claims (8)
- 홑원소의 텅스텐, 또는 25ppm 이상 200ppm 이하의 범위의 칼륨 및 25ppm 이상 100000ppm 이하의 범위의 전자 방출 물질 중에서 선택되는 적어도 1종을 함유하는 텅스텐을 포함하는 텅스텐재의 판재를 통 형상으로 성형하여 이루어지는 측벽부와,상기 측벽부의 한쪽의 단부를 코킹하거나, 또는 상기 단부에 상기 텅스텐재의 판재를 접합함으로써 설치된 저부와,상기 측벽부의 다른 쪽의 단부에 설치된 개구부를 포함하는 냉음극관용 전극으로서,상기 측벽부 및 상기 저부 중 적어도 상기 측벽부는, 그 두께 방향에 대하여 90°±5°의 범위로 연장되는 섬유 형상 결정 조직을 갖고, 상기 섬유 형상 결정 조직은 상기 두께를 T, 상기 섬유 형상 결정 조직의 상기 두께 방향의 평균의 폭을 W라고 했을 때, 0.003≤W/T≤0.07을 만족하는 것을 특징으로 하는 냉음극관용 전극.
- 삭제
- 삭제
- 제1항에 있어서,상기 전자 방출 물질은 산화이트륨, 산화토륨, 산화란탄, 산화세륨, 산화지르코늄 및 산화 하프늄 중에서 선택되는 적어도 1종인 것을 특징으로 하는 냉음극관용 전극.
- 제1항에 있어서,상기 섬유 형상 결정 조직의 길이 방향의 길이는 100㎛ 이상인 것을 특징으로 하는 냉음극관용 전극.
- 제1항에 있어서,상기 측벽부 및 상기 저부 중 적어도 상기 측벽부의 두께 T는 0.05㎜ 이상 0.4㎜ 이하의 범위인 것을 특징으로 하는 냉음극관용 전극.
- 방전 매체가 봉입된 관형 투광성 밸브와,상기 관형 투광성 밸브의 내벽면에 형성된 형광체층과,상기 관형 투광성 밸브의 양단부에 배설된 한 쌍의 전극으로서, 제1항의 냉음극관용 전극으로 이루어지는 전극을 구비하는 것을 특징으로 하는 냉음극관.
- 제7항의 냉음극관과,상기 냉음극관에 근접하여 배치된 도광체와,상기 도광체의 한쪽의 면 측에 배치된 반사체와,상기 도광체의 다른 쪽의 면 측에 배치된 액정 표시 패널을 구비하는 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-243859 | 2006-09-08 | ||
JP2006243859 | 2006-09-08 | ||
PCT/JP2007/000938 WO2008029507A1 (fr) | 2006-09-08 | 2007-08-31 | Électrode de tube cathodique froid, ce tube, et écran à cristaux liquides utilisant l'électrode |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090033484A KR20090033484A (ko) | 2009-04-03 |
KR101110503B1 true KR101110503B1 (ko) | 2012-01-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020097003498A KR101110503B1 (ko) | 2006-09-08 | 2007-08-31 | 냉음극관용 전극과 그것을 이용한 냉음극관 및 액정 표시 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8072560B2 (ko) |
JP (1) | JP4982494B2 (ko) |
KR (1) | KR101110503B1 (ko) |
CN (1) | CN101512718B (ko) |
TW (1) | TW200820306A (ko) |
WO (1) | WO2008029507A1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242927A (ja) * | 2002-02-19 | 2003-08-29 | Toho Kinzoku Co Ltd | 放電ランプ用電極及び放電ランプ |
JP2005015917A (ja) * | 2003-06-05 | 2005-01-20 | Nippon Tungsten Co Ltd | 高融点金属線状材およびその製造方法 |
WO2005069349A1 (ja) * | 2004-01-19 | 2005-07-28 | Nippon Tungsten Co., Ltd. | 放電電極、放電ランプ、放電電極の製造方法および製造装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW464784B (en) * | 1996-12-06 | 2001-11-21 | Alps Electric Co Ltd | Liquid crystal display device |
JP3293815B2 (ja) | 1999-12-20 | 2002-06-17 | ハリソン東芝ライティング株式会社 | 冷陰極低圧放電灯 |
JP4157369B2 (ja) | 2002-11-26 | 2008-10-01 | 株式会社東芝 | 冷陰極管用電極およびそれを用いた冷陰極管 |
TW200606524A (en) * | 2004-05-10 | 2006-02-16 | Toshiba Kk | Cold-cathode tube-use sintered electrode, cold-cathode tube provided with this cold-cathode tube-use sintered electrode and liquid crystal display unit |
US20060208641A1 (en) * | 2005-03-15 | 2006-09-21 | Takashi Maniwa | Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatus |
WO2007111246A1 (ja) * | 2006-03-24 | 2007-10-04 | Matsushita Electric Industrial Co., Ltd. | 蛍光ランプ、バックライトユニット、および液晶表示装置 |
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 |
-
2007
- 2007-08-31 KR KR1020097003498A patent/KR101110503B1/ko active IP Right Grant
- 2007-08-31 JP JP2008533039A patent/JP4982494B2/ja active Active
- 2007-08-31 WO PCT/JP2007/000938 patent/WO2008029507A1/ja active Application Filing
- 2007-08-31 CN CN2007800319142A patent/CN101512718B/zh active Active
- 2007-08-31 US US12/438,831 patent/US8072560B2/en active Active
- 2007-09-06 TW TW096133257A patent/TW200820306A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242927A (ja) * | 2002-02-19 | 2003-08-29 | Toho Kinzoku Co Ltd | 放電ランプ用電極及び放電ランプ |
JP2005015917A (ja) * | 2003-06-05 | 2005-01-20 | Nippon Tungsten Co Ltd | 高融点金属線状材およびその製造方法 |
WO2005069349A1 (ja) * | 2004-01-19 | 2005-07-28 | Nippon Tungsten Co., Ltd. | 放電電極、放電ランプ、放電電極の製造方法および製造装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008029507A1 (ja) | 2010-01-21 |
US20090316076A1 (en) | 2009-12-24 |
WO2008029507A1 (fr) | 2008-03-13 |
US8072560B2 (en) | 2011-12-06 |
TWI373062B (ko) | 2012-09-21 |
CN101512718A (zh) | 2009-08-19 |
CN101512718B (zh) | 2011-04-06 |
KR20090033484A (ko) | 2009-04-03 |
TW200820306A (en) | 2008-05-01 |
JP4982494B2 (ja) | 2012-07-25 |
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