JP2007134728A - アクティブ・マトリクス・エレクトロルミネッセント・ディスプレイ・ピクセルとその製造方法 - Google Patents
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- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
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- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
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Abstract
【解決手段】高電圧のトランジスタ112は、ドレイン領域234およびソース領域232との間にドリフト領域202を有しており、ゲート電極218は絶縁層212によって前記ドリフト領域から分離されると共に、前記絶縁層によって前記ドリフト領域に平行なゲート電極218であって、前記ゲート電極は前記ドリフト領域を部分的に覆い、前記ドリフト領域に近接すると共に、前記ドリフト領域から離れて間隔を置いて配置され、前記ドリフト領域内に実質的に一様な電界を生じさせるための容量分割回路網224と、を備える。
【選択図】図2J
Description
212 絶縁層
218 ゲート電極
222 容量分割回路網
232 ソース領域
234 ドレイン領域
Claims (9)
- ドリフト領域(202)によって分離されるドレイン領域(234)およびソース領域(232)と、
絶縁層(212)によって前記ドリフト領域から分離されると共に、前記絶縁層によって前記ドリフト領域に平行なゲート電極(218)であって、前記ゲート電極は前記ドリフト領域を部分的に覆い、
前記ドリフト領域に近接すると共に、前記ドリフト領域から離れて間隔を置いて配置され、前記ドリフト領域内(within)に実質的に一様な電界を生じさせるための容量分割回路網(222)と、を備える高電圧のトランジスタ(112)。 - 前記容量分割回路網は、
高電圧の電極(250)と、
絶縁層(248)によって前記高電圧の電極から離れて間隔を置いて配置され、前記高電圧の電極から電荷を集める(accumulate)ための複数の第1の導電性の要素(246)と、
絶縁層(212)によって前記複数の第1の導電性の要素から離れて間隔を置いて配置され、結合された電荷を前記複数の第1の導電性の要素から集める(accumulating)ための複数の第2の導電性の要素(224)と、
前記第2のトランジスタの前記ドリフト領域は、絶縁層によって前記複数の第2の導電性の要素から離れて間隔を置いて配置される共に、絶縁層によって前記複数の第2の導電性の要素に平行であって、前記複数の第2の導電性の要素上に集められる(accumulated)電荷が前記ドリフト領域内(within)に実質的に一様な電界を生じさせる、を更に備える請求項1に記載のトランジスタ。 - 前記第1の導電性の要素の各々は、前記複数の第2の導電性の要素内の前記複数の第2の導電性の要素の少なくとも1個と部分的に重なる請求項2のトランジスタ。
- エレクトロルミネッセントディスプレイ内に(within)ピクセル(102)を製造する方法であって、
切り替え回路(106)に接続されるエレクトロルミネッセントセル(108)を通して電流を制御するための前記切り替え回路をサブストレート(206)上に形成するステップと、
絶縁層(212)を前記切り替え回路上に堆積するステップと、
前記絶縁層と前記エレクトロルミネッセントセルとの間に、前記エレクトロルミネッセントセル内(within)の電界を前記切り替え回路から隔てる(isolate)電界シールド(104)を堆積するステップと、を備える方法。 - ドレイン領域(234)とソース領域(232)との間に、高電圧のトランジスタのためのドリフト領域(202)を形成するステップと、
前記ドリフト領域を覆って絶縁層(212)を形成するステップと、
前記絶縁層上にゲート電極(218)を堆積するステップであって、前記電界シールドおよび前記ゲート電極が蓄積キャパシタ(118)を形成するように、前記ゲート電極は前記ドリフト領域に部分的に重なると共に、前記電界シールドと平行である、を更に備える請求項4の方法。 - 前記エレクトロルミネッセントセルに前記ドレイン領域を接続するための抵抗体を前記ドレイン領域に形成するステップを更に備える請求項5の方法。
- ドレイン領域(234)とソース領域(232)との間に、トランジスタ(112)のためのドリフト領域(202)とを形成するステップと、
前記ドリフト領域を覆って絶縁層(212)を形成するステップと、
ゲート電極(218)を前記絶縁層上に堆積するステップであって、前記ゲート電極は部分的に前記ドリフト領域と重なり、
第1の複数の容量要素(224)を前記絶縁層上に堆積するステップであって、前記要素は前記ドリフト領域の一部に重なり、且つ前記要素は前記ゲート電極によって重なられることなく、
前記容量要素および前記ゲート電極を覆って第2の絶縁層(212)を形成するステップと、
第2の複数の容量要素(246)を前記第2の絶縁層上に形成するステップであって、前記第2の複数の容量要素は前記第1の複数の容量要素に部分的に重なり、
前記第2の複数の容量要素を覆って第3の絶縁層(248)を形成するステップと、
前記エレクトロルミネッセントセルの高電圧の電極(250)を前記第3の絶縁層上に堆積するステップであって、前記高電圧の電極は、高電圧が前記高電圧の電極に加えられるとき、電荷が前記第1および第2の複数の電極上に集まる(accumulate)と共に、前記ドリフト領域に一様に電界を分布させるようにする、を更に備える請求項4の方法。 - ドレイン領域(234)とソース領域(232)との間に、トランジスタ(112)のためのドリフト領域(202)とを形成するステップと、
前記ドリフト領域を覆って絶縁層(212)を形成するステップと、
ゲート電極(218)を前記絶縁層上に堆積するステップであって、前記ゲート電極は前記ドリフト領域に部分的に重り、
前記ドリフト領域から離れて間隔を置いて配置されると共に、前記ドリフト領域に近接して配置され、前記ドリフト領域内(within)に実質的に一様な電界を生じさせるための容量分割回路網(222)を形成するステップと、を備える高電圧のトランジスタ(112)を製造する方法。 - 前記容量分割回路網を形成するステップは、 第1の複数の容量要素(224)を前記絶縁層上に堆積するステップであって、前記要素は前記ドリフト領域の一部に重なり、且つ前記要素は前記ゲート電極によって重なられることなく、
前記容量要素および前記ゲート電極を覆って第2の絶縁層(212)を形成するステップと、
第2の複数の容量要素(246)を前記第2の絶縁層上に堆積するステップであって、前記第2の複数の容量要素は前記第1の複数の容量要素に部分的に重なり、
前記第2の複数の容量要素を覆って第3の絶縁層(248)を形成するステップと、
前記第3の絶縁層上に高電圧の電極(250)を堆積するステップであって、前記高電圧の電極は、高電圧が前記高電圧の電極に加えられるとき、電荷が前記第1および第2の複数の電極上に集まる(accumulate)と共に、前記ドリフト領域に一様に電界を分布させるようにする、を備える請求項8の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/295,374 | 1994-08-24 | ||
US08/295,374 US5587329A (en) | 1994-08-24 | 1994-08-24 | Method for fabricating a switching transistor having a capacitive network proximate a drift region |
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JP8508253A Division JPH11511898A (ja) | 1994-08-24 | 1995-08-24 | アクティブ・マトリクス・エレクトロルミネッセント・ディスプレイ・ピクセルとその製造方法 |
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JP5086613B2 JP5086613B2 (ja) | 2012-11-28 |
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JP8508253A Pending JPH11511898A (ja) | 1994-08-24 | 1995-08-24 | アクティブ・マトリクス・エレクトロルミネッセント・ディスプレイ・ピクセルとその製造方法 |
JP2006308986A Expired - Lifetime JP5086613B2 (ja) | 1994-08-24 | 2006-11-15 | アクティブ・マトリクス・エレクトロルミネッセント・ディスプレイ・ピクセルとその製造方法 |
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US (3) | US5587329A (ja) |
EP (1) | EP0776526B1 (ja) |
JP (2) | JPH11511898A (ja) |
KR (1) | KR100385378B1 (ja) |
DE (1) | DE69531055T2 (ja) |
WO (1) | WO1996006456A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US6104041A (en) * | 1994-08-24 | 2000-08-15 | Sarnoff Corporation | Switching circuitry layout for an active matrix electroluminescent display pixel with each pixel provided with the transistors |
US5587329A (en) * | 1994-08-24 | 1996-12-24 | David Sarnoff Research Center, Inc. | Method for fabricating a switching transistor having a capacitive network proximate a drift region |
US6072450A (en) * | 1996-11-28 | 2000-06-06 | Casio Computer Co., Ltd. | Display apparatus |
JP3392672B2 (ja) * | 1996-11-29 | 2003-03-31 | 三洋電機株式会社 | 表示装置 |
US6110804A (en) * | 1996-12-02 | 2000-08-29 | Semiconductor Components Industries, Llc | Method of fabricating a semiconductor device having a floating field conductor |
US5990629A (en) * | 1997-01-28 | 1999-11-23 | Casio Computer Co., Ltd. | Electroluminescent display device and a driving method thereof |
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KR100385378B1 (ko) | 2003-07-16 |
US5587329A (en) | 1996-12-24 |
DE69531055T2 (de) | 2004-04-01 |
KR970705835A (ko) | 1997-10-09 |
EP0776526A1 (en) | 1997-06-04 |
EP0776526A4 (en) | 1998-04-29 |
JPH11511898A (ja) | 1999-10-12 |
US5736752A (en) | 1998-04-07 |
EP0776526B1 (en) | 2003-06-11 |
US5932892A (en) | 1999-08-03 |
JP5086613B2 (ja) | 2012-11-28 |
DE69531055D1 (de) | 2003-07-17 |
WO1996006456A1 (en) | 1996-02-29 |
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