JP6473806B2 - 液体の光学的透明接着剤によって接合されたディスプレイモジュールを分離するための方法および装置 - Google Patents
液体の光学的透明接着剤によって接合されたディスプレイモジュールを分離するための方法および装置 Download PDFInfo
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
- Y10T156/1153—Temperature change for delamination [e.g., heating during delaminating, etc.]
- Y10T156/1158—Electromagnetic radiation applied to work for delamination [e.g., microwave, uv, ir, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
本発明は、電子アセンブリから部品を分離する方法に関する。特に、本発明は、電磁照射(EMR)を用いることによってディスプレイモジュールにおける液体の光学的透明接着剤(LOCA)で接合された部品を分離する方法に関する。
タッチおよびディスプレイモジュールは通常、液体光学的透明接着剤を用いて接合/積層される。かかるモジュールは時に、欠陥または損傷した部品、例えばカバーガラスを交換して修理する必要がある。かかる場合、タッチ/ディスプレイモジュール中の部品を取り外され、そうしてモジュールは分離されるであろう。これは、企業が、カバーガラスが損傷した場合にまだ適切に機能している価値の高く再利用可能な部品、例えばLCDまたはOLEDのコストを省くことを促進する。
本発明の対象は、電子アセンブリから部品を分離する方法であって、
(a)電磁照射を発生する装置を提供する工程;
(b)接着剤により内部の部品と接合された外部の部品を通して装置から電磁照射を放射する工程;
(c)電磁照射により接着剤を加熱し、接着剤の温度を約50℃〜約100℃、好ましくは約50℃〜約80℃に高める工程;および
(d)電子アセンブリから部品を分離する工程
を含む、方法である。
本発明の正確で実施可能な開示は、明細書の残りにより具体的に規定され、付属の図面が参照される:
本説明は、例示的な実施態様の記載のみであり、本発明のより広い態様を限定することを意図しないと、当業者に理解される。
実施例1
LCDで4.3を有し、カバーレンズおよびLCDモジュールの間に硬化リワーク性液体光学的透明接着剤の層が積層された、ディスプレイモジュールを、この実施例においてテストした。積層ディスプレイモジュールのカバーレンズをジグに固定した。図1に示すように420nm〜650nmの可視光範囲におけるLED配列を含むEMR源からのEMRを、レンズ側から3W/cm2の強度で適用し、カバーレンズおよびEMR源のエアーギャップは5mmである。EMRはカバーレンズを透過し、カバーレンズおよびLCDモジュールの間を接合する光学的透明接着剤に伝えられた。光がLCDに適用されたトップの偏光フィルムに達した時に吸収が最も高くなった。次のプログラムによりEMR源の強度を調整することにより温度を75℃〜80℃に一定に維持した:3W/cm2、25秒間、その後0.3W/cm2、15秒間。
LCDで4.3を有し、カバーレンズおよびLCDモジュールの間に硬化リワーク性液体光学的透明接着剤の層が積層された、ディスプレイモジュールを、この実施例においてテストした。積層ディスプレイモジュールのカバーレンズをジグに固定した。図1に示すように420nm〜650nmの可視光範囲におけるLED配列を含むEMR源からのEMRを、レンズ側から3W/cm2の強度で適用し、カバーレンズおよびEMR源のエアーギャップは5mmである。EMRはカバーレンズを透過し、カバーレンズおよびLCDモジュールの間を接合する光学的透明接着剤に伝えられた。光がLCDに適用されたトップの偏光フィルムに達した時に吸収が最も高くなった。次のプログラムによりEMR源の強度を調整することにより温度を75℃〜80℃に一定に維持した:3W/cm2、25秒間、その後0.3W/cm2、15秒間。
2 第1の発光ダイオード
3 主発光ダイオードボード
4 第2の発光ダイオード
5 右側発光ダイオードボード
6 第3の発光ダイオード
7 左側発光ダイオードボード
8 筺体
9 冷却フィン
10 レンズ
Claims (11)
- (a)電磁照射を発生させるために多数の発光ダイオードを使用し、電磁照射の波長は420nm〜650nmであり、かつ、電磁照射の強度は0.05W/cm2〜5W/cm2、好ましくは0.1W/cm2〜3W/cm2である、電磁照射を発生する装置を提供する工程;
(b)接着剤により内部の部品と接合された外部の部品を通して前記装置から電磁照射を放射する工程、ここで電磁照射の時間は10秒〜60秒である;
(c)電磁照射し、電磁照射を吸収させることによって接着剤を加熱し、接着剤の温度を約50℃〜約100℃、好ましくは約50℃〜約80℃に高める工程;および
(d)電子アセンブリから部品を分離する工程
を含み、
工程(c)と(d)との間において、10〜30秒間、接着剤を冷却する工程(c1)、好ましくは20℃〜25℃の温度において空気中で電子アセンブリを配置することにより行われる工程、をさらに含む、電子アセンブリから部品を分離する方法。 - 接着剤は光学的透明液体接着剤である、請求項1に記載の方法。
- 内部の部品は、液晶ディスプレイ、有機発光ダイオードディスプレイ、プラズマディスプレイ、発光ダイオードディスプレイ、電気泳動ディスプレイ、およびブラウン管ディスプレイから選択される、請求項1または2に記載の方法。
- 内部の部品の対角線は1インチ〜30インチ、好ましくは4インチ〜13インチである、請求項1〜3のいずれかに記載の方法。
- 請求項1〜4のいずれかに記載の方法に用いる電磁照射発生装置を含む装置であって、電磁照射を発生させるために多数の発光ダイオードを使用し、前記発光ダイオードが離れて、好ましくは互いに一定間隔で配置され、電磁照射の波長が420nm〜650nmであり、電磁照射源からの電磁照射の強度が約0.05W/cm2〜5W/cm2、好ましくは0.1W/cm2〜3W/cm2である、装置。
- 発光ダイオードが平面に配置されている、請求項5に記載の装置。
- 少なくとも1つのさらなる第2の発光ダイオードが、第1の発光ダイオードの前記平面に対して傾斜して配置される、請求項6に記載の装置。
- 多数の第2の発光ダイオードを使用し、前記第2の発光ダイオードが平面上または直線上に配置され、かつ、前記平面に対して傾斜して配置される、請求項7に記載の装置。
- 少なくとも1つの第3の発光ダイオードが用いられ、前記第3の発光ダイオードが前記第2の発光ダイオードに対して反対側に配置され、かつ、第1の発光ダイオードの前記平面に対して傾斜して配置される、請求項7または8に記載の装置。
- 多数の第3の発光ダイオードを使用し、前記第3の発光ダイオードが平面上または直線上に配置され、かつ、第1の発光ダイオードの前記平面に対して傾斜して配置される、請求項9に記載の装置。
- 装置の発光ダイオードを囲む部分および/または装置の筺体部分は、電磁波を反射するために、少なくとも部分的に研磨金属、好ましくはアルミニウムから形成される、請求項5〜10のいずれかに記載の装置。
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Application Number | Priority Date | Filing Date | Title |
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PCT/CN2014/078977 WO2015180156A1 (en) | 2014-05-30 | 2014-05-30 | A process and apparatus for detaching a display module bonded by a liquid optically clear adhesive |
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JP2017524989A JP2017524989A (ja) | 2017-08-31 |
JP6473806B2 true JP6473806B2 (ja) | 2019-02-20 |
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US (1) | US10308841B2 (ja) |
EP (1) | EP3149096B1 (ja) |
JP (1) | JP6473806B2 (ja) |
KR (1) | KR102182434B1 (ja) |
CN (1) | CN106414636B (ja) |
ES (1) | ES2806259T3 (ja) |
TW (1) | TWI605949B (ja) |
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KR102080103B1 (ko) * | 2019-11-29 | 2020-02-24 | 주식회사 그린자이언트 | 디스플레이 장치의 분리 방법 |
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WO2012067232A1 (ja) * | 2010-11-18 | 2012-05-24 | 電気化学工業株式会社 | 透光性硬質基板積層体の剥離方法及びこれを使用した板状製品の製造方法 |
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SG10201603100XA (en) * | 2016-04-19 | 2017-11-29 | Singapore Polytechnic | Method and apparatus for separating a component from a thermoset polymer adhered to the component |
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KR102182434B1 (ko) | 2020-11-24 |
TWI605949B (zh) | 2017-11-21 |
EP3149096A4 (en) | 2017-12-13 |
EP3149096A1 (en) | 2017-04-05 |
JP2017524989A (ja) | 2017-08-31 |
CN106414636A (zh) | 2017-02-15 |
KR20170015304A (ko) | 2017-02-08 |
WO2015180156A1 (en) | 2015-12-03 |
TW201601863A (zh) | 2016-01-16 |
CN106414636B (zh) | 2020-04-14 |
US10308841B2 (en) | 2019-06-04 |
EP3149096B1 (en) | 2020-06-24 |
ES2806259T3 (es) | 2021-02-17 |
US20170183541A1 (en) | 2017-06-29 |
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