JP2015524615A - 有機薄膜トランジスタアレイ基板及びその製造方法、並びに表示装置 - Google Patents
有機薄膜トランジスタアレイ基板及びその製造方法、並びに表示装置 Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/464—Lateral top-gate IGFETs comprising only a single gate
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
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- H10K19/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00
- H10K19/10—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00 comprising field-effect transistors
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Abstract
Description
残されたフォトレジストパターンをエッチングマスクとして、基板に対しエッチングを行い、フォトレジストの部分保留エリアの金属薄膜をエッチングし、画素電極のパターン層を得る。
2 透明導電薄膜
2a ソース電極とデータラインのパターン層
2b ドレイン電極のパターン層
3 金属薄膜(画素電極のパターン層)
4 有機半導体層薄膜(有機半導体層)
5 ゲート絶縁層薄膜(ゲート絶縁層)
7 ゲート電極とゲートラインのパターン層
8 フォトレジスト
Claims (8)
- 一回のパターニング工程により、基板上に画素電極のパターン層、及び画素電極のパターン層の上方に位置するソース電極とデータラインのパターン層、及びドレイン電極のパターン層を形成し、
一回のパターニング工程により、ソース電極とデータラインのパターン層及びドレイン電極のパターン層上を覆う有機半導体層、及び有機半導体層上を覆うゲート絶縁層を形成し、
一回のパターニング工程により、ゲート絶縁層を形成している基板上に、ゲート電極とゲートラインのパターン層を形成することを特徴とする、有機薄膜トランジスタアレイ基板の製造方法。 - 前記一回のパターニング工程により、基板上に画素電極のパターン層、及び画素電極のパターン層の上方に位置するソース電極とデータラインのパターン層及びドレイン電極のパターン層を形成することは、
基板上に透明導電薄膜を形成し、透明導電薄膜上に金属薄膜を形成し、
金属薄膜上にフォトレジストをスピンコートし、マスクを用いてフォトレジストに対し露光現像を行い、フォトレジスト除去エリア、フォトレジスト部分保留エリア及びフォトレジスト完全保留エリアを得る、
基板に対しエッチングを行い、フォトレジスト完全除去エリアの透明導電薄膜と金属薄膜をエッチングにより除去する、
基板上のフォトレジストに対し灰化を行い、フォトレジスト部分保留エリアのフォトレジストを除去する、
基板に対してエッチングを行い、フォトレジスト部分保留エリアの金属薄膜を除去して、画素電極のパターン層を得る、
フォトレジスト完全保留エリアのフォトレジストに対し剥離を行い、ソース電極とデータラインのパターン層、及びドレイン電極のパターン層を得ることを特徴とする、請求項1に記載の方法。 - 前記マスクはハーフトーンマスクまたはグレートーンマスクであることを特徴とする、請求項2に記載の方法。
- 前記一回のパターニング工程により、ソース電極とデータラインのパターン層及びドレイン電極のパターン層上を覆う有機半導体層、及び有機半導体層上を覆うゲート絶縁層を形成することは、
ソース電極とデータラインのパターン層及びドレイン電極のパターン層上を覆う有機半導体薄膜を形成する、
有機半導体層薄膜上を覆うゲート絶縁層薄膜を形成する、
ゲート絶縁層薄膜上にフォトレジストを塗布し、マスクを用いてフォトレジストに対し露光現像を行い、フォトレジスト除去エリアとフォトレジスト完全保留エリアを得る、
基板に対しエッチングを行い、フォトレジスト完全除去エリアのゲート絶縁層薄膜と有機半導体層薄膜とを除去する、
フォトレジスト完全保留エリアのフォトレジストに対し剥離を行い、有機半導体層のパターン層及びゲート絶縁層のパターン層を得る、
以上を含むことを特徴とする、請求項1〜3のいずれかに記載の方法。 - ゲート絶縁層薄膜を形成した後、且つゲート絶縁層薄膜上にフォトレジストをスピンコートする前に、該方法はさらに、
第一設定温度下において基板を第一設定時間乾燥させ、第二設定温度下において基板を第二設定時間乾燥させることを含み、第二設定温度は第一設定温度より高いことを特徴とする、請求項4に記載の方法。 - 一回のパターニング工程により、ゲート絶縁層を形成している基板上に、ゲート電極とゲートラインのパターン層を形成することは、
ゲート絶縁層を形成している基板上にゲート電極金属薄膜を形成し、
ゲート電極金属薄膜上にフォトレジストをスピンコートし、マスクを用いてフォトレジストに対し露光現像を行い、フォトレジスト完全除去エリア及びフォトレジスト完全保留エリアを得る、
基板に対しエッチングを行い、フォトレジスト完全除去エリアのゲート電極金属薄膜をエッチングにより除去する、
フォトレジストを剥離して、ゲート電極とゲートラインのパターン層を得る、
以上を含むことを特徴とする、請求項1〜5のいずれかに記載の方法。 - 前記請求項1〜6のいずれかの方法によって得られる、有機薄膜トランジスタアレイ基板。
- 前記請求項7に記載の有機薄膜トランジスタアレイ基板を含む表示装置。
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CN2012102605940A CN102779785A (zh) | 2012-07-25 | 2012-07-25 | 有机薄膜晶体管阵列基板及其制备方法和显示装置 |
CN201210260594.0 | 2012-07-25 | ||
PCT/CN2012/086700 WO2014015627A1 (zh) | 2012-07-25 | 2012-12-14 | 有机薄膜晶体管阵列基板及其制备方法和显示装置 |
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GB2521139B (en) * | 2013-12-10 | 2017-11-08 | Flexenable Ltd | Reducing undesirable capacitive coupling in transistor devices |
KR102366566B1 (ko) | 2014-10-16 | 2022-02-25 | 삼성디스플레이 주식회사 | 박막 트랜지스터 어레이 기판 및 이를 포함하는 유기 발광 표시 장치 |
CN105140181A (zh) | 2015-09-21 | 2015-12-09 | 京东方科技集团股份有限公司 | Tft阵列基板的制造方法、tft阵列基板及显示装置 |
JP2017111296A (ja) * | 2015-12-16 | 2017-06-22 | 株式会社ジャパンディスプレイ | 表示装置 |
GB2557192B (en) * | 2016-11-29 | 2021-03-10 | Flexenable Ltd | Semiconductor patterning |
KR102248402B1 (ko) | 2018-04-19 | 2021-05-04 | 엘지디스플레이 주식회사 | 전계발광 표시장치 및 그 제조방법 |
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US20140061615A1 (en) | 2014-03-06 |
WO2014015627A1 (zh) | 2014-01-30 |
US9219238B2 (en) | 2015-12-22 |
EP2889911A4 (en) | 2016-06-29 |
CN102779785A (zh) | 2012-11-14 |
KR20140041403A (ko) | 2014-04-04 |
EP2889911B1 (en) | 2022-03-23 |
EP2889911A1 (en) | 2015-07-01 |
JP6129313B2 (ja) | 2017-05-17 |
KR101544657B1 (ko) | 2015-08-17 |
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