JP2005159300A - ダイオード接続されたトランジスタの製造方法及びこれを用いた画像表示装置 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- 239000010703 silicon Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 8
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- 108010075750 P-Type Calcium Channels Proteins 0.000 claims 1
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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
- G09G3/32—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 semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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Abstract
【解決手段】本発明によるダイオード接続されたトランジスタの製造方法は、基板の上にシリコン層を形成する段階、シリコン層の上に第1絶縁層を形成する段階、第1絶縁層の上にゲート電極100を形成する段階、シリコン層内に、ソース領域210、チャンネル領域、及びドレーン領域310を形成する段階、ゲート電極100の上に第2絶縁層を形成する段階、第2絶縁層の上に、ソース領域210及びドレーン領域310に各々連結(接続)されるようにソース電極220及びドレーン電極320を形成する段階、及びドレーン電極320とゲート電極100とをコンタクトホールを介して接続させる段階を含み、コンタクトホールは、チャンネル領域と実質的に同一な垂直断面上に形成される。
【選択図】図2
Description
31、320 ドレーン電極
210 ソース領域
220 ソース電極
310 ドレーン領域
400 絶縁基板
500 シリコン層
600 第1絶縁膜
Claims (12)
- 基板の上にシリコン層を形成する段階と、
前記シリコン層の上に第1絶縁層を形成する段階と、
前記第1絶縁層の上にゲート電極を形成する段階と、
前記シリコン層内に、ソース領域、チャンネル領域、及びドレーン領域を形成する段階と、
前記ゲート電極の上に第2絶縁層を形成する段階と、
前記第2絶縁層の上に、前記ソース領域及び前記ドレーン領域に各々接続されるようにソース電極及びドレーン電極を形成する段階と、
前記ドレーン電極と前記ゲート電極とをコンタクトホールを介して接続させる段階とを含み、
前記コンタクトホールは、前記チャンネル領域と実質的に同一な垂直断面上に形成されることを特徴とするダイオード接続されたトランジスタの製造方法。 - 前記ソース領域及び前記ドレーン領域の幅は、前記ソース電極及び前記ドレーン電極の幅より広く形成されることを特徴とする請求項1に記載のダイオード接続されたトランジスタの製造方法。
- 前記ソース領域及びドレーン領域の幅は、前記ソース電極及び前記ドレーン電極の幅より狭く形成されることを特徴とする請求項1に記載のダイオード接続されたトランジスタの製造方法。
- 基板の上にシリコン層を形成する段階と、
前記シリコン層の上に第1絶縁層を形成する段階と、
前記第1絶縁層の上にゲート電極を形成する段階と、
前記シリコン層内に、ソース領域、チャンネル領域、及びドレーン領域を形成する段階と、
前記ゲート電極の上に第2絶縁層を形成する段階と、
前記第2絶縁層の上に、前記ソース領域及び前記ドレーン領域と各々接続されるようにソース電極及びドレーン電極を形成し、前記ドレーン電極が前記チャンネル領域の少なくとも一部を覆うように形成する段階と、
前記ドレーン電極と前記ゲート電極とをコンタクトホールを介して接続させる段階と、
を有することを特徴とするダイオード接続されたトランジスタの製造方法。 - 画像信号を示すデータ電流を伝達する複数のデータ線、選択信号を伝達する複数の走査線、及び前記データ線と前記走査線とによって定義される複数の画素に各々形成される複数の画素回路が形成されている画像表示装置において、
前記画素回路は、
第1電極及び第2電極の間にキャパシタが形成され、前記第1電極及び前記第2電極の間に印加される電圧に対応する電流を第3電極に出力する第1トランジスタと、
前記第1トランジスタの前記第3電極に接続され、印加される電流量に対応して画像を表示する表示素子と、
前記第1トランジスタの前記第1電極に電気的に接続される第1電極、第2電極、及び第3電極を備え、ダイオード接続された第2トランジスタと、
前記走査線に印加される選択信号に応答して前記データ線に印加される電圧を前記第2トランジスタに伝達するスイッチング素子とを含み、
前記第2トランジスタの前記第3電極は、前記第1電極とコンタクトホールを介して接続され、前記コンタクトホールは、前記チャンネルと実質的に同一な垂直断面上に形成されることを特徴とする画像表示装置。 - 前記画素回路は、印加される制御信号に応答してプリチャージ電圧を前記第2トランジスタの前記第3電極に伝達するスイッチング素子をさらに含むことを特徴とする請求項5に記載の画像表示装置。
- 前記制御信号は、前記画素回路に選択信号が印加される直前に印加される選択信号であることを特徴とする請求項6に記載の画像表示装置。
- 前記第2トランジスタは、前記第1トランジスタと実質的に同一な特性を有するように形成されることを特徴とする請求項5に記載の画像表示装置。
- 前記第1及び第2トランジスタは、Pタイプのチャンネルを有するトランジスタに実現され、前記第1電極はゲート、前記第2電極はソース、前記第3電極はドレーンであることを特徴とする請求項5に記載の画像表示装置。
- 画素回路が形成される画素領域と前記画素回路を駆動する駆動領域とを含む画像表示装置の製造方法において、前記画素回路は、ダイオード接続されたトランジスタを含み、
前記ダイオード接続されたトランジスタの製造方法は、
基板の上に半導体層を形成する段階と、
前記半導体層の上に、ゲート絶縁膜を隔ててゲート電極を形成する段階と、
前記半導体層にソース領域、チャンネル領域、ドレーン領域を形成する段階と、
前記ゲート電極の上に層間絶縁膜を形成する段階と、
前記層間絶縁膜の上に、前記ソース領域及び前記ドレーン領域に各々接続されるようにソース電極及びドレーン電極を形成する段階と、
前記ドレーン電極を、前記チャンネル領域の上面に存在する前記層間絶縁膜の少なくとも一部を覆うように形成し、前記ゲート電極とコンタクトホールを介して接続させる段階と、
を有することを特徴とする画像表示装置の製造方法。 - 前記ソース領域及び前記ドレーン領域の幅は、前記ソース電極及び前記ドレーン電極の幅より広く形成されることを特徴とする請求項10に記載の画像表示装置の製造方法。
- 前記ソース領域及び前記ドレーン領域の幅は、前記ソース電極及び前記ドレーン電極の幅より狭く形成されることを特徴とする請求項10に記載の画像表示装置の製造方法。
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JP2015138154A (ja) * | 2014-01-22 | 2015-07-30 | セイコーエプソン株式会社 | 発光装置、及び電子機器 |
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KR100911972B1 (ko) * | 2007-10-24 | 2009-08-13 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시장치 |
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US9164972B2 (en) | 2012-06-07 | 2015-10-20 | Microsoft Technology Licensing, Llc | Managing objects in panorama display to navigate spreadsheet |
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KR100560470B1 (ko) | 2006-03-13 |
US20050112813A1 (en) | 2005-05-26 |
KR20050049838A (ko) | 2005-05-27 |
US20070138504A1 (en) | 2007-06-21 |
US7951658B2 (en) | 2011-05-31 |
US7615803B2 (en) | 2009-11-10 |
CN1624886A (zh) | 2005-06-08 |
EP1533838A3 (en) | 2005-08-03 |
EP1533838A2 (en) | 2005-05-25 |
US7199406B2 (en) | 2007-04-03 |
US20100035391A1 (en) | 2010-02-11 |
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