JP2004133455A - フラットパネルディスプレイ - Google Patents
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- 239000012535 impurity Substances 0.000 claims description 30
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 230000007423 decrease Effects 0.000 description 5
- 229920001621 AMOLED Polymers 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H01L27/1251—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs comprising TFTs having a different architecture, e.g. top- and bottom gate TFTs
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
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- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78645—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
【解決手段】 発光素子と、前記発光素子を駆動するための第1及び第2のトランジスタと、を含み、前記第1及び第2のトランジスタが互いに相違する抵抗値を有する。前記第1のトランジスタは、前記発光素子を駆動するための駆動トランジスタであり、前記第2のトランジスタは、前記駆動トランジスタのオン/オフをスイッチするためのスイッチングトランジスタであり、駆動トランジスタは、前記スイッチングトランジスタより大きい抵抗値を有する。
【選択図】 図3
Description
第3の実施の形態にかかる駆動トランジスタは、ゲート電極を多重ゲートで形成し、多重ゲートの間の高抵抗領域であるオフセット領域のドーピング状態を変更してEL素子を流れる電流量を制御する。
第4の実施の形態にかかる駆動トランジスタは、ゲート電極を多重ゲートで形成し、多重ゲートの間の高抵抗領域であるオフセット領域の幅を変更してEL素子を流れる電流量を制御する。
323、327…チャンネル領域、
330…オフセット領域、
340…ゲート電極、
341…多重ゲート、
345…多重ゲート、
361…ソース電極、
365…ドレイン電極。
Claims (23)
- 発光素子と、
前記発光素子を駆動するための第1及び第2のトランジスタと、
を含み、
前記第1及び第2のトランジスタが互いに相違する抵抗値を有することを特徴とするフラットパネルディスプレイ。 - 前記第1のトランジスタは、前記発光素子を駆動するための駆動トランジスタであり、前記第2のトランジスタは、前記駆動トランジスタのオン/オフをスイッチするためのスイッチングトランジスタであり、駆動トランジスタは、前記スイッチングトランジスタより大きい抵抗値を有することを特徴とする請求項1に記載のフラットパネルディスプレイ。
- 前記第1及び第2のトランジスタのうちの大きい抵抗値を有するトランジスタが、多重ゲートと、高濃度ソース/ドレイン領域を具備する半導体層、及び前記多重ゲートの間の半導体層に設けられるオフセット領域と、を具備することを特徴とする請求項1に記載のフラットパネルディスプレイ。
- 前記第1及び第2のトランジスタのうちの大きい抵抗値を有するトランジスタが、ゲート電極と、ゲート電極の両側に形成された高濃度ソース/ドレイン領域、及び前記ゲートとドレイン領域との間に設けられるオフセット領域と、を具備することを特徴とする請求項1に記載のフラットパネルディスプレイ。
- 前記オフセット領域が、前記高濃度ソース/ドレイン領域と同一の導電形を有する低濃度不純物が全体としてドープされた低濃度不純物領域または不純物がドープされていない真性領域からなる高抵抗領域であるか、または低濃度不純物が部分的にドープされた高抵抗領域であることを特徴とする請求項3または4に記載のフラットパネルディスプレイ。
- 前記オフセット領域が、千鳥状に形成された高抵抗領域であることを特徴とする請求項3または4に記載のフラットパネルディスプレイ。
- 前記第1及び第2のトランジスタのうちの大きい抵抗値を有するトランジスタが、互いに相違する抵抗値を有するように互いに相違する幾何学的構造を有する高濃度ソース/ドレイン領域を具備し、前記高濃度ソース/ドレイン領域のうちの前記発光素子に接続される領域が他の領域に比べて大きい抵抗値を有することを特徴とする請求項1に記載のフラットパネルディスプレイ。
- 前記第1及び第2のトランジスタのうちの大きい抵抗値を有するトランジスタが、互いに相違する抵抗値を有するように互いに相違する大きさを有する高濃度ソース/ドレイン領域を具備し、前記高濃度ソース/ドレイン領域のうちの前記発光素子に接続される領域が他の領域に比べて小さい大きさを有することを特徴とする請求項1に記載のフラットパネルディスプレイ。
- 前記トランジスタの前記高濃度ソース/ドレイン領域のうちの前記発光素子に接続される領域が他の領域と幅は同じで長さがより長いか、または長さは同じで幅がより小さいことを特徴とする請求項8に記載のフラットパネルディスプレイ。
- R、G、B単位画素を含み、
前記各R、G、B単位画素の少なくとも1つの単位画素が、ソース/ドレイン領域を具備する少なくとも2つのトランジスタを具備し、
前記トランジスタの少なくとも1つのトランジスタは、前記ソース/ドレイン領域の少なくともドレイン領域が他のトランジスタの少なくともドレイン領域とは相違する抵抗値を有することを特徴とするフラットパネルディスプレイ。 - 前記少なくとも1つのトランジスタと他のトランジスタのドレイン領域が、ドレイン領域のドーピング濃度差により互いに相違する抵抗値を有することを特徴とする請求項10に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのドレイン領域が、他のトランジスタのドレイン領域と同一導電形であり、低濃度の不純物が全体としてまたは部分的にドープされた領域または不純物がドープされていない領域であることを特徴とする請求項11に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタと他のトランジスタのドレイン領域が、ドレイン領域の形状差により互いに相違する抵抗値を有することを特徴とする請求項10に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのドレイン領域が、千鳥状に形成されていることを特徴とする請求項13に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのドレイン領域が、他のトランジスタのドレイン領域と幅は一定で長さが長いか、または長さは一定で幅が狭いことを特徴とする請求項13に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのドレイン領域が、高抵抗のオフセット領域を具備することを特徴とする請求項11または13に記載のフラットパネルディスプレイ。
- R、G、B単位画素を含み、
前記各R、G、B単位画素の少なくとも1つの単位画素が、少なくとも2つのトランジスタを具備し、
前記トランジスタの少なくとも1つのトランジスタのゲート領域の抵抗値が、他のトランジスタのゲート領域の抵抗値と相違することを特徴とするフラットパネルディスプレイ。 - 前記少なくとも1つのトランジスタと他のトランジスタのゲート領域が、ゲート領域のドーピング濃度差により互いに相違する抵抗値を有することを特徴とする請求項17に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのゲート領域が、低濃度の不純物が全体としてまたは部分的にドープされた領域または不純物がドープされていない領域であることを特徴とする請求項18に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタと他のトランジスタのゲート領域が、ゲート領域の形状差により互いに相違する抵抗値を有することを特徴とする請求項17に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのゲート領域が、千鳥状を有することを特徴とする請求項20に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタのゲート領域が、他のトランジスタのゲート領域より長さが長いか、または幅が狭いことを特徴とする請求項20に記載のフラットパネルディスプレイ。
- 前記少なくとも1つのトランジスタが、多重ゲートを具備し、前記多重ゲートの間に高抵抗のオフセット領域を具備することを特徴とする請求項18または20に記載のフラットパネルディスプレイ。
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KR20020061082 | 2002-10-07 | ||
KR1020030024508A KR100635045B1 (ko) | 2002-10-07 | 2003-04-17 | 평판표시장치 |
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JP2014165310A (ja) * | 2013-02-25 | 2014-09-08 | Japan Display Inc | 表示装置 |
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EP1607931B1 (en) * | 2003-03-26 | 2014-01-08 | Semiconductor Energy Laboratory Co., Ltd. | Device substrate and light-emitting device |
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US7417252B2 (en) * | 2003-07-18 | 2008-08-26 | Samsung Sdi Co., Ltd. | Flat panel display |
US7638416B2 (en) * | 2005-12-13 | 2009-12-29 | Versatilis Llc | Methods of making semiconductor-based electronic devices on a wire and articles that can be made using such devices |
US7700471B2 (en) * | 2005-12-13 | 2010-04-20 | Versatilis | Methods of making semiconductor-based electronic devices on a wire and articles that can be made thereby |
TW200818973A (en) * | 2006-10-11 | 2008-04-16 | Au Optronics Corp | Temperature regulative display system and controlling method of amoled panel |
JP5590285B2 (ja) * | 2009-03-06 | 2014-09-17 | ソニー株式会社 | 表示装置 |
US9214644B2 (en) * | 2010-12-07 | 2015-12-15 | University Of Florida Research Foundation, Inc. | Active matrix dilute source enabled vertical organic light emitting transistor |
EP2677346A1 (en) | 2012-06-19 | 2013-12-25 | Sercel | Digital seismic sensor and acquisition device adapted to be connected together via a two-conductor line. |
EP2915161B1 (en) | 2012-11-05 | 2020-08-19 | University of Florida Research Foundation, Inc. | Brightness compensation in a display |
CN107086227B (zh) * | 2017-05-11 | 2020-02-21 | 京东方科技集团股份有限公司 | 发光电路、电子装置、薄膜晶体管及其制备方法 |
CN110085677B (zh) * | 2019-03-18 | 2022-04-12 | 昆山国显光电有限公司 | 驱动晶体管、阵列基板和显示面板 |
US20230082769A1 (en) * | 2020-03-30 | 2023-03-16 | Sharp Kabushiki Kaisha | Display device and method for manufacturing display device |
CN115398632A (zh) * | 2021-03-22 | 2022-11-25 | 京东方科技集团股份有限公司 | 显示基板及其制作方法、显示装置 |
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US5684365A (en) * | 1994-12-14 | 1997-11-04 | Eastman Kodak Company | TFT-el display panel using organic electroluminescent media |
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JP3281848B2 (ja) * | 1996-11-29 | 2002-05-13 | 三洋電機株式会社 | 表示装置 |
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US6531713B1 (en) * | 1999-03-19 | 2003-03-11 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and manufacturing method thereof |
JP4578609B2 (ja) | 1999-03-19 | 2010-11-10 | 株式会社半導体エネルギー研究所 | 電気光学装置 |
JP2000276075A (ja) * | 1999-03-26 | 2000-10-06 | Matsushita Electric Ind Co Ltd | 電流制御型発光素子の駆動回路 |
JP4092857B2 (ja) * | 1999-06-17 | 2008-05-28 | ソニー株式会社 | 画像表示装置 |
JP4627822B2 (ja) | 1999-06-23 | 2011-02-09 | 株式会社半導体エネルギー研究所 | 表示装置 |
JP4906017B2 (ja) | 1999-09-24 | 2012-03-28 | 株式会社半導体エネルギー研究所 | 表示装置 |
JP2001109399A (ja) | 1999-10-04 | 2001-04-20 | Sanyo Electric Co Ltd | カラー表示装置 |
SG115378A1 (en) * | 2000-05-31 | 2005-10-28 | Toshiba Kk | Circuit panel and flat-panel display device |
JP2002090708A (ja) | 2000-05-31 | 2002-03-27 | Toshiba Corp | 回路基板および平面表示装置 |
KR100370095B1 (ko) | 2001-01-05 | 2003-02-05 | 엘지전자 주식회사 | 표시 소자의 액티브 매트릭스 방식의 구동 회로 |
US7532184B2 (en) * | 2003-04-17 | 2009-05-12 | Samsung Mobile Display Co., Ltd. | Flat panel display with improved white balance |
US7285902B2 (en) * | 2003-04-17 | 2007-10-23 | Samsung Sdi Co., Ltd. | Flat panel display with improved white balance |
-
2003
- 2003-09-30 US US10/673,152 patent/US7002302B2/en not_active Expired - Lifetime
- 2003-10-07 JP JP2003347886A patent/JP2004133455A/ja active Pending
- 2003-10-07 CN CNB200310113867XA patent/CN1324550C/zh not_active Expired - Lifetime
-
2004
- 2004-12-29 US US11/023,658 patent/US7321135B2/en not_active Expired - Lifetime
-
2005
- 2005-12-16 US US11/304,894 patent/US7365495B2/en not_active Expired - Lifetime
- 2005-12-16 US US11/304,893 patent/US7283110B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014165310A (ja) * | 2013-02-25 | 2014-09-08 | Japan Display Inc | 表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060091815A1 (en) | 2006-05-04 |
CN1501341A (zh) | 2004-06-02 |
US7365495B2 (en) | 2008-04-29 |
CN1324550C (zh) | 2007-07-04 |
US7002302B2 (en) | 2006-02-21 |
US20050110424A1 (en) | 2005-05-26 |
US20040066147A1 (en) | 2004-04-08 |
US20060091816A1 (en) | 2006-05-04 |
US7321135B2 (en) | 2008-01-22 |
US7283110B2 (en) | 2007-10-16 |
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