초록 ▼

○ 나노 유∙무기하이브리드 분산체 개발
- 나노 카본분산체 및 나노 금속산화물 분산체 개발
- 나노 유∙무기하이브리드 공분산체 분산안정성 확보
○ 블랙 및 화이트 베젤잉크 개발
- 나노 유∙무기하이브리드 공분산체를 이용한 블랙잉크 개발
- 고내열성 고분자 수지 개발
- 인쇄적성, 광학밀도, 고내열성, 고내구성, 내황변성 특성 확보
○ 핵심 스펙
ㅇ 나노 유∙무기하이브리드분산체
- 평균나노입경 : 400nm이하, 표면저항 [230도/20분 적용後] : 10¹³

○ 나노 유∙무기하이브리드 분산체 개발
- 나노 카본분산체 및 나노 금속산화물 분산체 개발
- 나노 유∙무기하이브리드 공분산체 분산안정성 확보
○ 블랙 및 화이트 베젤잉크 개발
- 나노 유∙무기하이브리드 공분산체를 이용한 블랙잉크 개발
- 고내열성 고분자 수지 개발
- 인쇄적성, 광학밀도, 고내열성, 고내구성, 내황변성 특성 확보
○ 핵심 스펙
ㅇ 나노 유∙무기하이브리드분산체
- 평균나노입경 : 400nm이하, 표면저항 [230도/20분 적용後] : 10¹³ Ω/㎠이상
ㅇ 블랙/화이트 베젤잉크
- 광학밀도 (OD): 6 μm에서 3.0 이상 (2도 스크린 인쇄)
- 표면저항 [230도/20분 적용後] : 10¹² Ω/㎠이상
- 기본 신뢰성 : 내산성, 내염기성, Cross-Cut
- 장기 가혹 신뢰성 : 열충격((-40↔65)°C, 150회), 고온다습 (60°C, 90% RH, 240hr), 염수 분부 (NaCl 5%, 35°C 72hr)

Abstract ▼

This project is dedicated to "Development of Black and white bezel ink based on nano organic inorganic ∙ hybrid dispersion".

This work was initiated from the need that domestic bezel ink with the rightful properties for touch screen panel was necessary for the world class smart phone companie

This project is dedicated to "Development of Black and white bezel ink based on nano organic inorganic ∙ hybrid dispersion".

This work was initiated from the need that domestic bezel ink with the rightful properties for touch screen panel was necessary for the world class smart phone companies such as Samsung and LG in Korea. Although TSP business has grown up to one of the biggest industry in Korea, some key materials such as bezel ink are still selected among the nominated products from the foreign suppliers despite that these materials are not really fit for the purpose. Additionally, domestic R&D networks have not been any help in this work because these materials are all foreign. Therefore, this project focuses on the development of the tailor-made bezel ink for domestic TSP makers through the real field test.

The scope of the work includes the followings.

1) 1) This research must start from the development of the carbon nano dispersion technology with the average size of a few hundred nano-meters. It also contains the development of the special resin with the high electrical resistivity and thermal stability. The dispersion technology can be expanded to the use of other color pigments such as titanium oxide in white ink.

2) Next, the formulation of black and white bezel inks are studied. Combination of the carbon dispersion with the resin formulation results in the black bezel ink with the optimal process-ability and the adhesion. Similar approach is taken to give the white ink. Each ink utilizes its own resin. All the inks are put under the various environmental conditions and proven to be superior in the adhesion reliability.

3) All resins and inks are put under the pilot sale production test. Mass-production test are tested in a scale of up to 200 Kg in each case.

4) Through the co-work of Dong Yang Ink and Avatec, the inks developed in this research are actually filed-tested and are nominated for the use of the commercial TV or smart phones of the final makers.

All of the work in the scope above were successfully performed and produced the black and the white bezel inks. These inks were proven to have high thermal stability, good printability in the screen printing machines, high optical density and high reliability/adhesion. The surface resistance were higher than 10¹²Ω/㎠ and the ink layers were stable against the thermal shock, high humidity and the brine water intrusion. All the properties of these inks were shown to be better than or equivalent to those of the Japanese leading inks

All these work can be further extended to the development of the various colors such as red, pink color and pearl effect. Furthermore, this technology can be utilized in the development of the similar thermal cure inks such as the bending ink for Flexible PCB. In fact, Yellow bending ink was developed in the course of this project and was approved by Samsung. Similar Flexible PCB inks are expected to be further developed after this work.

Special thanks is dedicated to the team members who participated in this great project.

목차 Contents

• 표지 ... 1
• 제출문 ... 2
• 보고서 요약서 ... 4
• 요약문 ... 5
• SUMMARY ... 7
• CONTENTS ... 9
• 목차 ... 10
• 제1장 연구개발 과제의 개요 ... 11
• 1. 연구개발의 필요성 ... 11
• 2. 연구개발 목표 및 내용 ... 19
• 제2장 국내외 기술개발 현황 ... 21
• 1. 국내외 관련 분야 기술‧제품의 개발현황 ... 21
• 2. 연구개발 결과가 국내외 기술‧제품 개발 현황에서 차지하는 위치 ... 24
• 제3장 연구개발 수행 내용 및 결과 ... 25
• 1. 최종연구목표(성과목표 및 평가지표) 달성 내용 ... 25
• 2. 목표 달성 내용 요약 ... 26
• 3. 주요 상용화 개발 내용 및 결과 ... 27
• 4. 개발 성과 ... 51
• 5. 관련 산업·기술 분야에의 기여도 ... 53
• 제4장 연구개발 결과의 활용계획(종료 이후의 사업 계획) ... 54
• 1. 시장 현황 및 사업화 전망 ... 54
• 2. 과제종료 시점까지의 사업화 실적 및 향후 계획 ... 56
• 3. 개발결과(기술, 제품)의 응용·확장성 ... 59
• 제5장 연구개발 과정에서 수집한 산업기술정보 ... 60
• 1. TSP 산업 동향 ... 60
• 제6장 연구 시설ㆍ장비 구입 및 관리 현황 ... 61
• 제7장 참고문헌 ... 61
• 제8장 최종평가 결과 및 이에 대한 원인 분석 ... 62
• 끝페이지 ... 62