KR102810732B1 - 자외선 경화형 보호소재 조성물 및 이를 이용한 마이크로 led 디스플레이 - Google Patents
자외선 경화형 보호소재 조성물 및 이를 이용한 마이크로 led 디스플레이 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 다른 구현예에 따른 마이크로 LED 디스플레이의 단면도를 도시한 것이다.
도 3은 본 발명의 또 다른 구현예에 따른 마이크로 LED 디스플레이의 단면도를 도시한 것이다.
도 4는 본 발명의 또 다른 구현예에 따른 마이크로 LED 디스플레이의 단면도를 도시한 것이다.
| 실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예4 | |
| 점도 (cps) | 1150 | 175 | 358 | 3750 | 657 | 755 |
| 영율 (MPa) | 998 | 135 | 468 | 20 | 965 | 57 |
| 택 강도 (gf) | 2 | 15 | 9 | 50 | 2 | 35 |
| 부착성 | O | O | O | X | O | O |
| 외관 | O | O | O | X | O | O |
| 내구신뢰성 | O | O | X | X | X | X |
100: PCB 기판 110: 전극층 120: 솔더
130: LED 140: 보호층 150: 솔더 레지스트
160: 광조절 필름
A: 보호층의 높이 B: 솔더의 높이 C: LED의 두께
Claims (8)
- 수소화된 폴리부타티엔 및 폴리이소부틸렌으로부터 선택되는 적어도 1종 이상의 골격을 가지며, 2 관능 아크릴기를 갖는 올리고머; 아크릴 단량체; 및 광개시제를 포함하며,
25℃에서 영률(Young's modulus)이 100MPa 내지 2,000MPa이고, 자외선 경화 후의 택 강도(tack force)가 0gf 초과 및 20gf 미만인, 자외선 경화형 보호소재 조성물. - 제1항에 있어서,
자외선 경화 전, 10cps ~ 3,000cps의 점도를 갖는, 자외선 경화형 보호소재 조성물. - 제1항에 있어서,
상기 수소화된 폴리부타티엔 및 폴리이소부틸렌으로부터 선택되는 적어도 1종 이상의 골격을 가지며, 2 관능 아크릴기를 갖는 올리고머 10 ~ 50 중량부;
상기 아크릴 단량체 50~90 중량부; 및
상기 광개시제 0.05 ~ 5 중량부를 포함하는, 자외선 경화형 보호소재 조성물. - 제1항에 있어서,
상기 수소화된 폴리부타티엔 및 폴리이소부틸렌으로부터 선택되는 적어도 1종 이상의 골격을 가지며, 2 관능 아크릴기를 갖는 올리고머가 3,000 내지 100,000의 중량평균분자량을 갖는, 자외선 경화형 보호소재 조성물. - 제1항에 있어서,
상기 아크릴 단량체는 PCB의 최상부에 형성된 솔더 레지스트(solder resist)와 화학적 결합이 가능한 관능기를 포함하는, 자외선 경화형 보호소재 조성물. - 제5항에 있어서,
상기 아크릴 단량체는 에폭시, 이소시아네이트, 하이드록시, 실란, 아마이드, 아민 중 하나 이상의 관능기를 갖는, 자외선 경화형 보호소재 조성물. - 제1항에 있어서,
안료, 염료, 산화방지제, 열안정제, 자외선 안정제, 자외선 흡수제, 난연제, 대전 방지제 중 하나 이상을 추가로 포함하는, 자외선 경화형 보호소재 조성물. - 제1항 내지 제7항 중 어느 한 항에 따른 상기 자외선 경화형 보호소재 조성물을 자외선 경화하여 제조한 보호층을 포함하는, 마이크로 LED 디스플레이.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020240085517A KR102810732B1 (ko) | 2024-06-28 | 2024-06-28 | 자외선 경화형 보호소재 조성물 및 이를 이용한 마이크로 led 디스플레이 |
| CN202510876777.2A CN121226624A (zh) | 2024-06-28 | 2025-06-27 | 紫外线固化型保护材料组合物及利用其的微型led显示器 |
| US19/252,520 US20260001979A1 (en) | 2024-06-28 | 2025-06-27 | Ultraviolet-curable protective material composition and micro led display using the same |
| JP2025109696A JP2026009002A (ja) | 2024-06-28 | 2025-06-27 | 紫外線硬化型保護材料組成物およびこれを用いたマイクロledディスプレイ |
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| KR1020240085517A KR102810732B1 (ko) | 2024-06-28 | 2024-06-28 | 자외선 경화형 보호소재 조성물 및 이를 이용한 마이크로 led 디스플레이 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160096047A (ko) * | 2015-02-04 | 2016-08-12 | 주식회사 엘지화학 | 점착제 조성물 |
| JP2017149135A (ja) * | 2016-02-25 | 2017-08-31 | 協立化学産業株式会社 | 積層体の製造方法 |
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- 2025-06-27 US US19/252,520 patent/US20260001979A1/en active Pending
- 2025-06-27 CN CN202510876777.2A patent/CN121226624A/zh active Pending
- 2025-06-27 JP JP2025109696A patent/JP2026009002A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160096047A (ko) * | 2015-02-04 | 2016-08-12 | 주식회사 엘지화학 | 점착제 조성물 |
| JP2017149135A (ja) * | 2016-02-25 | 2017-08-31 | 協立化学産業株式会社 | 積層体の製造方法 |
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| US20260001979A1 (en) | 2026-01-01 |
| CN121226624A (zh) | 2025-12-30 |
| JP2026009002A (ja) | 2026-01-19 |
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