JP2006338935A - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP2006338935A JP2006338935A JP2005159961A JP2005159961A JP2006338935A JP 2006338935 A JP2006338935 A JP 2006338935A JP 2005159961 A JP2005159961 A JP 2005159961A JP 2005159961 A JP2005159961 A JP 2005159961A JP 2006338935 A JP2006338935 A JP 2006338935A
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Abstract
【解決手段】ゲート電極10A,10B,10Cの開口部12を冷陰極電子放出源6のパターン領域と同じか若干大きく形成し、発光色の異なる蛍光体16A,16B,16Cを飽和状態で発光させる電圧をピーク値とするパルス電圧を各ゲート電極10A,10B,10Cからカソード電極5に印加する。これにより、有害な金属スパッタを発生させることなく、冷陰極電子放出源6から放出される略全ての電子をアノード電極15に到達させ、各蛍光体16A,16B,A6Cを飽和状態で高輝度発光させて冷陰極電子放出源6の電界放出特性のバラツキによる輝度ムラを低減しつつ、パルス電圧の周波数或いはパルスパルス幅を可変することにより、蛍光体16全体としての発光面の色調及び明るさを安定的且つ効率的に調整することができる。
【選択図】図1
Description
5 カソード電極
6 冷陰極電子放出源
10A,10B,10C ゲート電極
15 アノード電極
16A,16B,16C 蛍光体
50 調色調光回路
Claims (4)
- 冷陰極電子放出源を有するカソード電極と、
上記カソード電極との間の真空中で上記冷陰極電子放出源から電界放出された電子により励起され、互いに発光色の異なる複数の蛍光体を有するアノード電極と、
上記カソード電極と上記アノード電極との間で上記カソード電極に対向する面が真空中に露呈され、上記冷陰極電子放出源から放出された電子を通過させる開口部を有して上記複数の蛍光体の各々に対応する発光色毎のゲート電極と、
上記発光色毎のゲート電極を互いに電気的に絶縁し、上記発光色毎のゲート電極の上記アノード電極側の非開口領域を覆うゲート板とを備えたことを特徴とする発光装置。 - 上記発光色毎のゲート電極を同時或いは個別に制御して上記発光色毎のゲート電極から上記カソード電極にパルス電圧を印加し、該パルス電圧のピーク値を一定としてパルス幅と周波数との少なくも一方を可変制御することにより、上記複数の蛍光体の全体の色調と明るさとを調整する調色調光回路を備えたことを特徴とする請求項1記載の発光装置。
- 上記冷陰極電子放出源を上記発光色毎のゲート電極の開口部と相似形状の領域でパターン化し、上記発光色毎のゲート電極の開口部の面積を上記冷陰極電子放出源の各パターン領域の面積以上としたことを特徴とする請求項1又は2記載の発光装置。
- 上記冷陰極電子放出源の各パターン領域の周囲に、上記カソード電極を覆う導電性のカソードマスクを配置したことを特徴とする請求項3記載の発光装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005159961A JP4354432B2 (ja) | 2005-05-31 | 2005-05-31 | 発光装置 |
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JP2005159961A JP4354432B2 (ja) | 2005-05-31 | 2005-05-31 | 発光装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006338935A true JP2006338935A (ja) | 2006-12-14 |
JP4354432B2 JP4354432B2 (ja) | 2009-10-28 |
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JP2005159961A Expired - Fee Related JP4354432B2 (ja) | 2005-05-31 | 2005-05-31 | 発光装置 |
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JP (1) | JP4354432B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100873155B1 (ko) * | 2008-06-13 | 2008-12-10 | 나노퍼시픽(주) | 전계 방출 장치 |
JP2009259430A (ja) * | 2008-04-11 | 2009-11-05 | Ichikoh Ind Ltd | 車両用光源ユニット |
US8264151B2 (en) | 2008-12-18 | 2012-09-11 | Electronics And Telecommunications Research Institute | Color variable field emission device |
US8519627B2 (en) | 2008-12-18 | 2013-08-27 | Electronics And Telecommunications Research Institute | Field emission device |
-
2005
- 2005-05-31 JP JP2005159961A patent/JP4354432B2/ja not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009259430A (ja) * | 2008-04-11 | 2009-11-05 | Ichikoh Ind Ltd | 車両用光源ユニット |
KR100873155B1 (ko) * | 2008-06-13 | 2008-12-10 | 나노퍼시픽(주) | 전계 방출 장치 |
US8264151B2 (en) | 2008-12-18 | 2012-09-11 | Electronics And Telecommunications Research Institute | Color variable field emission device |
US8519627B2 (en) | 2008-12-18 | 2013-08-27 | Electronics And Telecommunications Research Institute | Field emission device |
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Publication number | Publication date |
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JP4354432B2 (ja) | 2009-10-28 |
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