JP3825038B2 - 集束用突条を備えた電界放出構造 - Google Patents
集束用突条を備えた電界放出構造 Download PDFInfo
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- JP3825038B2 JP3825038B2 JP2005037680A JP2005037680A JP3825038B2 JP 3825038 B2 JP3825038 B2 JP 3825038B2 JP 2005037680 A JP2005037680 A JP 2005037680A JP 2005037680 A JP2005037680 A JP 2005037680A JP 3825038 B2 JP3825038 B2 JP 3825038B2
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- Prior art keywords
- focusing
- electron
- insulating layer
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
- H01J3/022—Electron guns using a field emission, photo emission, or secondary emission electron source with microengineered cathode, e.g. Spindt-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
- H01J29/085—Anode plates, e.g. for screens of flat panel displays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
- H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
- H01J31/127—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using large area or array sources, i.e. essentially a source for each pixel group
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Cold Cathode And The Manufacture (AREA)
Description
アレイに更に細かく分けられる。典型的なピクセル74の境界は、図4の点線、及びこの点線に対応する図5の境界を示す記号によって示される。各エミッタライン46は、ピクセルの行の1つに対応する行方向に延びる電極である。各ピクセルの列は3つのゲートライン50を有し、それぞれ(a)赤(R)のライン、(b)緑(G)のライン、及び(c)青(B)のラインである。各ピクセル列は、4つの集束用突条54を利用する。この集束用突条54の内2つはピクセル列の内部に位置する。残りの2つのピクセル列の一方または双方は、隣接する列のピクセルと共有される。
Claims (20)
- フラットパネル型ディスプレイで用いられる構造であって、
エミッタ電極と、
前記エミッタ電極の上に設けられた電気的に絶縁性の絶縁性層と、
前記絶縁性層を貫通し前記エミッタ電極に達するまで延在する形で設けられた少なくとも1つの開口部分内に設置された、少なくとも1つの電子放出性素子からなる電子放出性素子の組であって、各電子放出性素子が前記エミッタ電極に接続している、該電子放出性素子の組と、
前記絶縁性層の上に設けられたゲート電極であって、少なくとも1つの開口部が前記ゲート電極を貫通する形で設けられて各前記電子放出性素子を露出する、該ゲート電極と、
前記絶縁性層の上で、前記ゲート電極を挟む位置に設けられた、各前記電子放出素子から放出された電子の軌跡を制御するための一対の第1集束用突条部であって、前記第1集束用突条部が、各前記電子放出性素子から放出された電子の軌跡を制御するのに十分な程度に前記ゲート電極に近づけられて設けられている、該一対の第1集束用突条部とを有することを特徴とし、
前記第1集束用突条部が、
(a)上面とそれに接する側面とを有する主部と、
(b)前記第1集束用突条部の少なくとも前記上面の上に設けられた導電性皮膜とを有することを特徴とする構造。 - 前記第1集束用突条部が、前記絶縁性層上で前記ゲート電極より高く延在していることを特徴とする請求項1に記載の構造。
- 前記第1集束用突条部の前記絶縁性層からの平均高さが、前記ゲート電極の前記絶縁性層からの平均高さの少なくとも10倍であることを特徴とする請求項1に記載の構造。
- 前記絶縁性上に設置され、前記第1集束用突条部と交差し、かつ前記ゲート電極と交差する、各前記電子放出素子から放出された電子の軌跡を制御するための第2集束用突条部を更に有することを特徴とする請求項1乃至3の何れかに記載の構造。
- 各前記第2収束用突条部が、
(a)上面とそれに接する側面とを有する主部と、
(b)前記第2集束用突条部の少なくとも前記上面の上に設けられた導電性皮膜とを有することを特徴とする請求項4に記載の構造。 - 各前記集束用突条部の前記皮膜が、その集束用突条部の前記上面から前記側面に至るまで延在していることを特徴とする請求項1乃至3及び請求項5の何れかに記載の構造。
- 各前記集束用突条部の前記主部が、誘電体材料を含むことを特徴とする請求項1乃至3及び請求項5及び6の何れかに記載の構造。
- 各前記集束用突条部の前記皮膜が、金属を含むことを特徴とする請求項1乃至3及び請求項5乃至7の何れかに記載の構造。
- 各前記集束用突条部の前記皮膜が、抵抗率の高い導電性材料を含むことを特徴とする請求項1乃至3及び請求項5乃至7の何れかに記載の構造。
- フラットパネル型ディスプレイで用いられる構造であって、
エミッタ電極と、
前記エミッタ電極の上に設けられた電気的に絶縁性の絶縁性層と、
複数の、横向きに離隔されて設置された電子放出性素子の組からなるアレイであって、各前記電子放出性素子の組が、前記絶縁性層を貫通し前記エミッタ電極に達するまで延在する形で設けられた少なくとも1つの開口部分内に、前記エミッタ電極に接続するように設置された、少なくとも1つの前記電子放出性素子を含む、該アレイと、
前記絶縁性層上で第1方向に延在する複数の導電性のゲートラインであって、前記ゲートライン内に、前記電子放出性素子を露出する開口部が貫通する形で設けられる、複数の該ゲートラインと、
前記絶縁性層上で前記第1方向に延在する、各前記電子放出素子から放出された電子の軌跡を制御するための複数の第1集束用突条部であって、前記第1集束用突条部が、各前記ゲートラインが各一対の前記第1集束用突条部の間に配置されるように、ゲートラインと櫛歯状に組み合わされた形で配置される、該複数の第1集束用突条部とを有することを特徴とし、
各前記第1集束用突条部が、
(a)上面とそれに接する側面とを有する主部と、
(b)前記第1集束用突条部の少なくとも前記上面の上に設けられた導電性皮膜とを有することを特徴とする構造。 - 前記第1集束用突条部が、前記絶縁性層上で前記ゲート電極より高く延在していることを特徴とする請求項10に記載の構造。
- 前記第1集束用突条部の前記絶縁性層からの平均高さが、前記ゲート電極の前記絶縁性層からの平均高さの少なくとも10倍であることを特徴とする請求項10に記載の構造。
- 前記絶縁性層上に設けられ、前記第1方向とは実質的に異なる第2方向に延在し、前記第1集束用突条部と接し、かつ前記ゲートラインと交差する、各前記電子放出素子から放出された電子の軌跡を制御するための複数の第2集束用突条部を有することを特徴とする請求項10に記載の構造。
- 各前記第2収束用突条部が、
(a)上面とそれに接する側面とを有する主部と、
(b)前記第2集束用突条部の少なくとも前記上面の上に設けられた導電性皮膜とを有することを特徴とする請求項13に記載の構造。 - 各前記集束用突条部の前記皮膜が、その集束用突条部の前記上面から前記側面に至るまで延在していることを特徴とする請求項10乃至12及び請求項14の何れかに記載の構造。
- 各前記集束用突条部の前記主部が、誘電体材料を含むことを特徴とする請求項10乃至12及び請求項14及び15の何れかに記載の構造。
- 各前記集束用突条部の前記皮膜が、金属を含むことを特徴とする請求項10乃至12及び請求項14乃至16の何れかに記載の構造。
- 各前記集束用突条部の前記皮膜が、抵抗率の高い導電性材料を含むことを特徴とする請求項10乃至12及び請求項14乃至16の何れかに記載の構造。
- 前記ゲートライン及び前記集束用突条部の上方に、それらから離隔された形で設けられた導電性部分であって、前記導電性部分が、各前記電子放出性素子の組に対応する、前記電子放出性素子から放出された電子を受容するための電子受容部位からなるアレイを含む、該導電性部分と、
前記導電性部分を前記ゲートライン及び前記集束用突条部から離隔された状態に維持するための支持部分とを更に有することを特徴とする請求項10乃至18の何れかに記載の構造。 - 前記エミッタ電極が、前記第1方向とは実質的に異なる第2方向に延在する複数のエミッタラインを含むことを特徴とする請求項12乃至19の何れかに記載の構造。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/188,855 US5528103A (en) | 1994-01-31 | 1994-01-31 | Field emitter with focusing ridges situated to sides of gate |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52007895A Division JP3824637B2 (ja) | 1994-01-31 | 1995-01-30 | 集束用突条を備えた電界放出構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005203376A JP2005203376A (ja) | 2005-07-28 |
JP3825038B2 true JP3825038B2 (ja) | 2006-09-20 |
Family
ID=22694821
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52007895A Expired - Fee Related JP3824637B2 (ja) | 1994-01-31 | 1995-01-30 | 集束用突条を備えた電界放出構造 |
JP2005037680A Expired - Fee Related JP3825038B2 (ja) | 1994-01-31 | 2005-02-15 | 集束用突条を備えた電界放出構造 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52007895A Expired - Fee Related JP3824637B2 (ja) | 1994-01-31 | 1995-01-30 | 集束用突条を備えた電界放出構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5528103A (ja) |
JP (2) | JP3824637B2 (ja) |
AU (1) | AU1727295A (ja) |
WO (1) | WO1995020821A1 (ja) |
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JP2006244798A (ja) * | 2005-03-02 | 2006-09-14 | Hitachi Displays Ltd | 自発光型平面表示装置 |
KR20060104652A (ko) * | 2005-03-31 | 2006-10-09 | 삼성에스디아이 주식회사 | 전자 방출 소자 |
KR20060104657A (ko) | 2005-03-31 | 2006-10-09 | 삼성에스디아이 주식회사 | 전자 방출 소자 |
KR20070027988A (ko) * | 2005-08-30 | 2007-03-12 | 삼성에스디아이 주식회사 | 전자 방출 표시 디바이스 |
KR101072997B1 (ko) * | 2005-10-25 | 2011-10-12 | 삼성에스디아이 주식회사 | 진공 용기 및 이를 이용한 전자 방출 표시 디바이스 |
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FR2910175B1 (fr) * | 2006-12-19 | 2009-07-31 | Commissariat Energie Atomique | Structure de cathode pour ecran plat avec grille de refocalisation |
US20080278062A1 (en) * | 2007-05-10 | 2008-11-13 | Samsung Sdi Co., Ltd. | Method of fabricating electron emission source, electron emission device, and electron emission display device including the electron emission device |
JP5210281B2 (ja) * | 2009-10-14 | 2013-06-12 | 日本放送協会 | 電子放出素子、それを備えた表示装置及び撮像装置 |
EP2826056B1 (en) * | 2012-03-16 | 2023-07-19 | Nano-X Imaging Ltd | X-ray emitting device |
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JPS5436828B2 (ja) * | 1974-08-16 | 1979-11-12 | ||
US4020381A (en) * | 1974-12-09 | 1977-04-26 | Texas Instruments Incorporated | Cathode structure for a multibeam cathode ray tube |
US4178531A (en) * | 1977-06-15 | 1979-12-11 | Rca Corporation | CRT with field-emission cathode |
US4618801A (en) * | 1983-01-10 | 1986-10-21 | Mitsuteru Kakino | Flat cathode ray tube |
US4857799A (en) * | 1986-07-30 | 1989-08-15 | Sri International | Matrix-addressed flat panel display |
US5015912A (en) * | 1986-07-30 | 1991-05-14 | Sri International | Matrix-addressed flat panel display |
FR2604823B1 (fr) * | 1986-10-02 | 1995-04-07 | Etude Surfaces Lab | Dispositif emetteur d'electrons et son application notamment a la realisation d'ecrans plats de television |
GB8720792D0 (en) * | 1987-09-04 | 1987-10-14 | Gen Electric Co Plc | Vacuum devices |
JP2622842B2 (ja) * | 1987-10-12 | 1997-06-25 | キヤノン株式会社 | 電子線画像表示装置および電子線画像表示装置の偏向方法 |
US4874981A (en) * | 1988-05-10 | 1989-10-17 | Sri International | Automatically focusing field emission electrode |
FR2641412B1 (fr) * | 1988-12-30 | 1991-02-15 | Thomson Tubes Electroniques | Source d'electrons du type a emission de champ |
NL8901075A (nl) * | 1989-04-28 | 1990-11-16 | Philips Nv | Inrichting ten behoeve van elektronengeneratie en weergeefinrichting. |
US5227691A (en) * | 1989-05-24 | 1993-07-13 | Matsushita Electric Industrial Co., Ltd. | Flat tube display apparatus |
US5235244A (en) * | 1990-01-29 | 1993-08-10 | Innovative Display Development Partners | Automatically collimating electron beam producing arrangement |
JP3007654B2 (ja) * | 1990-05-31 | 2000-02-07 | 株式会社リコー | 電子放出素子の製造方法 |
FR2669465B1 (fr) * | 1990-11-16 | 1996-07-12 | Thomson Rech | Source d'electrons et procede de realisation. |
AU665006B2 (en) * | 1991-07-17 | 1995-12-14 | Canon Kabushiki Kaisha | Image-forming device |
FR2685811A1 (fr) * | 1991-12-31 | 1993-07-02 | Commissariat Energie Atomique | Systeme permettant de maitriser la forme d'un faisceau de particules chargees. |
-
1994
- 1994-01-31 US US08/188,855 patent/US5528103A/en not_active Expired - Lifetime
-
1995
- 1995-01-30 WO PCT/US1995/000555 patent/WO1995020821A1/en active Application Filing
- 1995-01-30 JP JP52007895A patent/JP3824637B2/ja not_active Expired - Fee Related
- 1995-01-30 AU AU17272/95A patent/AU1727295A/en not_active Abandoned
-
2005
- 2005-02-15 JP JP2005037680A patent/JP3825038B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU1727295A (en) | 1995-08-15 |
JP3824637B2 (ja) | 2006-09-20 |
JP2005203376A (ja) | 2005-07-28 |
US5528103A (en) | 1996-06-18 |
WO1995020821A1 (en) | 1995-08-03 |
JPH09512381A (ja) | 1997-12-09 |
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