JP2019532806A - 塗布方法、塗布装置および発光デバイス - Google Patents
塗布方法、塗布装置および発光デバイス Download PDFInfo
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Abstract
Description
液体を吐出し、前記基板20と相対移動してパターンを塗布するように制御される少なくとも1つのマイクロニードル40と、
基板20を載置する載置ステージ10と、
マイクロニードル40の端部から基板20までの距離を測定する測距装置(図においてレーザ位置決めが利用されているが、これは1つの実施形態に過ぎず、他のタイプの位置決め装置を利用してもよい。レーザ位置決めを行う時にレーザ位置決め群を利用することができ、このようにして比較的に正確であり、もちろん、他の位置決め方式を利用してもよい)と、
少なくとも1つのマイクロニードル40への液体供給を行う液体供給装置(図2に示されていない)と、を備え、測距装置で測定した前記マイクロニードル40の端部から前記基板20までの距離は、液体供給を行う根拠であり、つまり、位置決め装置で位置決められたマイクロニードル40の端部から基板20までの距離に基づいて少なくとも1つのマイクロニードル40への液体供給を行う。
20 TFT基板
30 装置
31 装置
32 装置
40 マイクロニードル
50 液滴
Claims (15)
- マイクロニードル(40)から出た液滴(50)の最下端が第1位置に到達したと判定されると、液体供給装置が前記マイクロニードル(40)への液体供給を停止するように制御することと、
前記マイクロニードル(40)の端部から基板(20)までの距離が、予め設定された第2距離に到達したと判定されることと、
前記液体供給装置が液体供給を続けるように制御するとともに、前記マイクロニードル(40)が前記基板(20)と相対移動してパターンを塗布するように制御することと、
を含むことを特徴とする塗布方法。 - マイクロニードル(40)から出た液滴(50)の最下端が第1位置に到達したと判定されると、液体供給装置が前記マイクロニードル(40)への液体供給を停止するように制御する前に、
前記マイクロニードル(40)の端部が第2位置にあるように制御し、前記第1位置から前記第2位置までの距離は、予め設定された第1距離であり、前記基板(20)に対して、前記第1位置が前記第2位置より下方にあることと、
前記液体供給装置が液体供給を開始するように制御することと、をさらに含む、
ことを特徴とする請求項1に記載の方法。 - 前記マイクロニードル(40)の端部又は前記液滴(50)の最下端の位置を、レーザ、前記マイクロニードル(40)の液出口の圧力のうちの少なくとも一方によって検出する、
ことを特徴とする請求項1に記載の方法。 - 前記第1距離は、前記液滴(50)の大きさを制御することに用いられ、及び/又は、前記第2距離は、前記マイクロニードル(40)から前記基板(20)における画素隔壁の前記基板(20)から離れた上面までの高さを、前記マイクロニードル(40)が前記画素隔壁の前記上面を通過する際に持ち上げられ、かつ前記基板(20)の露出面の上方を通過する際に落下するように制御することに用いられる、
ことを特徴とする請求項2に記載の方法。 - 前記第2距離は第1距離以下であり、かつ前記第2距離は0を超える、
ことを特徴とする請求項2に記載の方法。 - 前記第2距離は、液滴(50)で塗布されたパターンの線幅を制御することに用いられる、
ことを特徴とする請求項1に記載の方法。 - 塗布終了後に、前記マイクロニードル(40)を持ち上げ、前記マイクロニードル(40)の端部と前記基板(20)との距離が前記第2距離を超えた場合、液体供給装置が液体供給を停止するように制御すること、をさらに含む、
ことを特徴とする請求項1〜6のうち何れか一項に記載の方法。 - 基板(20)を載置する載置ステージ(10)と、
液体を吐出し、前記基板(20)と相対移動してパターンを塗布するように制御される少なくとも1つのマイクロニードル(40)と、
前記マイクロニードル(40)の端部から前記基板(20)までの距離を測定する測距装置と、
前記測距装置で測定した前記マイクロニードル(40)の端部から前記基板(20)までの距離に基づいて、前記少なくとも1つのマイクロニードル(40)への液体供給を行う液体供給装置と、
を備えることを特徴とする塗布装置。 - 前記測距装置は、レーザ位置決め装置(30)、前記少なくとも1つのマイクロニードル(40)の液出口の圧力検出装置のうちの少なくとも一方を含む、
ことを特徴とする請求項8に記載の装置。 - 前記レーザ位置決め装置(30)は、第1のレーザ位置決め装置(31)と第2のレーザ位置決め装置(32)とを含み、前記第1のレーザ位置決め装置(31)から出射されるレーザは、上レーザと下レーザとを含む、
ことを特徴とする請求項9に記載の装置。 - 前記上レーザは、前記マイクロニードル(40)の端部を位置決めし、前記下レーザは、液滴(50)の最下端位置を位置決めする、
ことを特徴とする請求項10に記載の装置。 - 前記第2のレーザ位置決め装置(32)は、前記マイクロニードル(40)の端部と前記基板(20)との距離を位置決めする、
ことを特徴とする請求項10に記載の装置。 - 前記マイクロニードル(40)の内径は1μm〜1mmであり、好ましくは、前記マイクロニードル(40)の内径と塗布されたパターンの線幅との比の範囲は1:0.5〜1:1.5である、
ことを特徴とする請求項8に記載の装置。 - 前記マイクロニードル(40)の外壁及び前記端部表面には表面張力が閾値よりも小さいコーティングが塗布され、前記閾値は、前記マイクロニードル(40)の外壁及び前記端部表面の前記コーティングが液滴(50)で濡れる表面張力である、
ことを特徴とする請求項8に記載の装置。 - 請求項1〜7のうち何れか一項に記載の方法で製造されることを特徴とする発光デバイス。
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CN201610919798.9A CN106564315B (zh) | 2016-10-21 | 2016-10-21 | 涂布方法、涂布设备及发光器件 |
CN201610919798.9 | 2016-10-21 | ||
PCT/CN2017/097854 WO2018072545A1 (zh) | 2016-10-21 | 2017-08-17 | 涂布方法、涂布设备及发光器件 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05192611A (ja) * | 1992-01-21 | 1993-08-03 | Ricoh Co Ltd | 液体吐出用管状材料 |
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CN102351435B (zh) * | 2010-06-02 | 2015-07-08 | 松下电器产业株式会社 | 涂覆方法及有机电致发光显示器的制造方法 |
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CN106564315B (zh) * | 2016-10-21 | 2018-11-09 | 纳晶科技股份有限公司 | 涂布方法、涂布设备及发光器件 |
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JPH05192611A (ja) * | 1992-01-21 | 1993-08-03 | Ricoh Co Ltd | 液体吐出用管状材料 |
JP2005131500A (ja) * | 2003-10-29 | 2005-05-26 | Seiko Epson Corp | 塗布方法、塗布装置並びにデバイス、電気光学装置及び電子機器 |
JP2007029912A (ja) * | 2005-07-29 | 2007-02-08 | Tdk Corp | 液体材料吐出装置及び方法 |
JP2008296067A (ja) * | 2007-05-29 | 2008-12-11 | Hitachi Ltd | 塗布方法 |
JP2009148744A (ja) * | 2007-12-20 | 2009-07-09 | Top Engineering Co Ltd | ペーストディスペンサのペースト塗布方法 |
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US20190248132A1 (en) | 2019-08-15 |
EP3527393A4 (en) | 2019-10-30 |
KR102377030B1 (ko) | 2022-03-18 |
CN106564315B (zh) | 2018-11-09 |
WO2018072545A1 (zh) | 2018-04-26 |
CN106564315A (zh) | 2017-04-19 |
US11426995B2 (en) | 2022-08-30 |
JP7046061B2 (ja) | 2022-04-01 |
KR20190069538A (ko) | 2019-06-19 |
EP3527393A1 (en) | 2019-08-21 |
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