KR102436187B1 - 정전기 방지막의 제조방법 및 표시장치의 제조방법 - Google Patents
정전기 방지막의 제조방법 및 표시장치의 제조방법 Download PDFInfo
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- KR102436187B1 KR102436187B1 KR1020150191575A KR20150191575A KR102436187B1 KR 102436187 B1 KR102436187 B1 KR 102436187B1 KR 1020150191575 A KR1020150191575 A KR 1020150191575A KR 20150191575 A KR20150191575 A KR 20150191575A KR 102436187 B1 KR102436187 B1 KR 102436187B1
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- carbon nanotube
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- nanotube dispersion
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- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- XYJRNCYWTVGEEG-UHFFFAOYSA-N trimethoxy(2-methylpropyl)silane Chemical compound CO[Si](OC)(OC)CC(C)C XYJRNCYWTVGEEG-UHFFFAOYSA-N 0.000 description 1
- JLGNHOJUQFHYEZ-UHFFFAOYSA-N trimethoxy(3,3,3-trifluoropropyl)silane Chemical compound CO[Si](OC)(OC)CCC(F)(F)F JLGNHOJUQFHYEZ-UHFFFAOYSA-N 0.000 description 1
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Paints Or Removers (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따른 표시장치를 나타낸 단면도.
도 3은 도 2의 표시장치의 정면을 나태낸 도면.
도 4는 본 발명의 실시예에 따른 정전기 방지막의 평면을 나타낸 도면.
도 5a는 실시예에 따른 탄소나노튜브의 면저항에 대한 정전기 방지막의 면저항 값과 면저항 균일도를 나타내는 표이고, 도 5b는 도 5a의 면저항 균일도를 나타내는 그래프.
도 6은 실시예에 따른 탄소나노튜브의 함량에 대한 정전기 방지막의 면저항 값을 나타내는 그래프.
도 7은 실시예에 따른 탄소나노튜브의 함량과 면저항 값에 대한 광 투과율을 나타내는 표.
도 8a는 일반적인 정전기 방지막의 시간에 따른 면저항 값의 변화를 나타내는 그래프이고, 도 8b는 실시예에 따른 정전기 방지막의, 고온, 고습 환경에서의 면저항 값의 변화를 나타내는 그래프.
도 9는 일반적인 정전기 방지막의 온도에 따른 중량%와, 실시예에 따른 정전기 방지막의 온도에 따른 중량%를 비교한 그래프.
도 10은 본 발명의 알콕시실란 화합물의 졸 반응을 나타낸 반응식.
도 11 및 도 12는 본 발명의 표시장치를 개략적으로 보여 주는 도면들.
도 13은 도 11에 도시된 터치 센서(Cs)에 인가되는 공통 전압(Vcom)과 터치 구동 신호(Tdrv)를 보여 주는 파형도.
도 14는 본 발명의 표시패널을 나타낸 단면도.
도 15는 본 발명의 표시장치의 제조방법을 나타낸 흐름도.
|
분산 특성 | 코팅성 | 표면비저항(Ω/□) | 투과도(%) |
내 스크래치성 |
|
분산성 | 분산 안정성 | |||||
실시예 1 | ○ | ○ | ○ | 108.0 | ○ | ○ |
실시예 2 | ○ | ○ | ○ | 108.0 | ○ | ○ |
실시예 3 | ○ | ○ | ○ | 108.2 | ○ | ○ |
실시예 4 | ○ | △ | ○ | 108.7 | ○ | ○ |
실시예 5 | ○ | ○ | ○ | 108.2 | ○ | ○ |
실시예 6 | ○ | ○ | ○ | 108.1 | ○ | ○ |
실시예 7 | ○ | ○ | ○ | 108.1 | ○ | ○ |
실시예 8 | ○ | △ | ○ | 108.3 | ○ | ○ |
실시예 9 | ○ | △ | ○ | 108.1 | ○ | ○ |
실시예 10 | ○ | △ | ○ | 108.3 | ○ | ○ |
실시예 11 | ○ | ○ | ○ | 105.0 | ○ | ○ |
비교예 1 | △ | X | △ | 108.2 | ○ | ○ |
비교예 2 | X | X | X | 109.4 | X | △ |
비교예 3 | △ | X | △ | 108.3 | ○ | △ |
비교예 4 | △ | X | △ | 108.5 | ○ | ○ |
|
표면 저항(Ω/□) | 점도(cp) | ||||
초기 | 7일 후 | 변화량 | 초기 | 7일 후 | 변화량 | |
실시예 12 | 8.1 | 7.5 | -0.6 | 3.51 | 4.29 | 0.78 |
비교예 5 | 8.1 | 7 | -1.1 | 3.54 | 4.54 | 1 |
220: 하부기판 230: 셀
240: 상부기판 250: 정전기 방지막
Claims (14)
- 알콕시실란 화합물, 알코올계 용매, 및 물을 혼합하여 알콕시실란 화합물을 졸 반응시킨 후, 상기 졸 반응시 생성된 에탄올을 제거하여 실란졸을 형성하는 단계;
탄소나노튜브 분산액 조성물을 형성하는 단계;
상기 탄소나노튜브 분산액 조성물과 상기 실란졸을 혼합하여 전도성 코팅액 조성물을 제조하는 단계; 및
기판 상에 상기 전도성 코팅액 조성물을 코팅하는 단계를 포함하고,
상기 탄소나노튜브 분산액 조성물을 형성하는 단계는 분사기를 사용하여 상기 탄소나노튜브 분산액 조성물을 1000bar 내지 1800bar의 압력하에 분사하는 단계를 포함하는 정전기 방지막의 제조방법. - 제1 항에 있어서,
상기 에탄올은 회전 증발법을 이용하여 제거하는 정전기 방지막의 제조방법. - 제1 항에 있어서,
상기 제거된 에탄올의 양에 해당하는 추가의 용매를 첨가하되, 상기 추가의 용매는 극성도가 1.0 내지 5.9 미만인 정전기 방지막의 제조방법. - 제1 항에 있어서,
상기 탄소나노튜브 분산액 조성물은 탄소나노튜브 0.05 내지 20중량%, 폴리아크릴산 수지 0.02 내지 40중량%, 탄소수 2 내지 5의 직쇄의 알칸올 50 내지 99중량%로 포함하는 정전기 방지막의 제조방법. - 제1 항에 있어서,
상기 실란졸 총 중량에 대하여, 알콕시실란 화합물 20 내지 60중량%, 알코올계 용매 10 내지 70중량% 및 물 5 내지 60중량%로 포함하는 정전기 방지막의 제조방법. - 제1 항에 있어서,
상기 전도성 코팅액 조성물은 상기 탄소나노튜브 분산액 조성물 100중량부에 대해 상기 실란졸 10 내지 100 중량부를 포함하는 정전기 방지막의 제조방법. - 표시패널 상에 정전기 방지막을 형성하는 단계;
상기 정전기 방지막 상에 상부편광판을 부착하는 단계; 및
상기 표시패널 하부에 하부편광판을 부착하는 단계;를 포함하며,
상기 정전기 방지막을 형성하는 단계는,
알콕시실란 화합물, 알코올계 용매, 및 물을 혼합하여 알콕시실란 화합물을 졸 반응시킨 후, 상기 졸 반응시 생성된 에탄올을 제거하여 실란졸을 형성하는 단계;
탄소나노튜브 분산액 조성물을 형성하는 단계;
상기 탄소나노튜브 분산액 조성물과 상기 실란졸을 혼합하여 전도성 코팅액 조성물을 제조하는 단계; 및
상기 표시패널 상에 상기 전도성 코팅액 조성물을 코팅하는 단계를 포함하고,
상기 탄소나노튜브 분산액 조성물을 형성하는 단계는 분사기를 사용하여 상기 탄소나노튜브 분산액 조성물을 1000bar 내지 1800bar의 압력하에 분사하는 단계를 포함하는 표시장치의 제조방법. - 제7 항에 있어서,
상기 에탄올은 회전 증발법을 이용하여 제거하는 표시장치의 제조방법. - 제7 항에 있어서,
상기 제거된 에탄올의 양에 해당하는 추가의 용매를 첨가하되, 상기 추가의 용매는 극성도가 1.0 내지 5.9 미만인 표시장치의 제조방법. - 제7 항에 있어서,
상기 탄소나노튜브 분산액 조성물은 탄소나노튜브 0.05 내지 20중량%, 폴리아크릴산 수지 0.02 내지 40중량%, 탄소수 2 내지 5의 직쇄의 알칸올 50 내지 99중량%로 포함하는 표시장치의 제조방법. - 제7 항에 있어서,
상기 실란졸 총 중량에 대하여, 알콕시실란 화합물 20 내지 60중량%, 알코올계 용매 10 내지 70중량% 및 물 5 내지 60중량%로 포함하는 표시장치의 제조방법. - 제7 항에 있어서,
상기 전도성 코팅액 조성물은 상기 탄소나노튜브 분산액 조성물 100중량부에 대해 상기 실란졸 10 내지 100 중량부를 포함하는 표시장치의 제조방법. - 제4 항에 있어서,
상기 탄소나노튜브 분산액 조성물은 추가 분산제 0.1 내지 2중량%를 더 포함하고,
상기 추가 분산제는 아크릴계 블록 공중합체인 정전기 방지막의 제조방법. - 제10 항에 있어서,
상기 탄소나노튜브 분산액 조성물은 추가 분산제 0.1 내지 2중량%를 더 포함하고,
상기 추가 분산제는 아크릴계 블록 공중합체인 표시장치의 제조방법.
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