BaO-ZnO-B2O3-SiO2계 유리에서 TiO2의 첨가가 색변환 유리의 광특성에 미치는 영향

정현진; 임태영; 김진호; 이미재; 황종희; 황평하; 박태호; 신동욱; HyeonJin Jeong; Tae-Young Lim; Jin-Ho Kim; MiJai Lee; Jonghee Hwang; Pyeong Ha Hwang; Tae-Ho Park; Dongwook Shin

Korean Journal of Materials Research, Vol.24, No.12, 710-714, December, 2014

DOI10.3740/MRSK.2014.24.12.710 Export Citation

BaO-ZnO-B2O3-SiO2계 유리에서 TiO2의 첨가가 색변환 유리의 광특성에 미치는 영향

Effect of Titanium Dioxide in BaO-ZnO-B2O3-SiO2 Glasses on the Optical Properties of Color Conversion Glass

정현진^{1, 2}, 임태영¹, 김진호 ¹, 이미재¹, 황종희 ^{1, †}, 황평하³, 박태호³, 신동욱²

¹한국세라믹기술원 광·디스플레이소재팀
²한양대학교 대학원 신소재공학과
³(주) 베이스

HyeonJin Jeong^{1, 2}, Tae-Young Lim¹, Jin-Ho Kim¹, MiJai Lee¹, Jonghee Hwang^{1, †}, Pyeong Ha Hwang³, Tae-Ho Park³, and Dongwook Shin²

¹Korea Institute of Ceramic Engineering & Technology(KICET), 77, 10-gil, Digital-ro, Geumcheon-gu, Seoul 153-801, Korea
²Hanyang Uni., 222, Wangsimni-ro, Seongdong-gu, Seoul 133-791, Korea
³Bass Co., Limited, 103-9, Sinhang-ri, Dunpo-myeon, Asan-si, Chungnam 336-873, Korea

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The effect of titanium dioxide (TiO2) on the properties of color conversion glasses was examined for glasses based on BaO-ZnO-B2O3-SiO2. One glass sample, containing 25 mol% of each component, was used as a reference; the other three glass samples contained 1, 3, and 5 mol% TiO2, respectively. The four color conversion glass samples were prepared by sintering a mixture of glass frits and a YAG:Ce+ phosphor. The characteristics of the color conversion glass samples, such as luminous efficacy, luminance, CIE (Commission International de I'Eclairage) chromaticity, CCT (Correlated Color Temperature), and CRI (Color Rendering Index) were analyzed according to the PL spectrum. The refractive index of the glass samples was found to increase with the titanium dioxide content. In conclusion, luminous efficacy of color conversion glasses increased as the content of TiO2 was raised in the glass matrix.

Keywords:color conversion glass;glass composition;YAG phosphor;refractive index

[References]

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Ma M, Mont F, Yan X, Cho J, Schubert E, Kim G, Sone C, Opt. Express, 19(105), A1135 (2011)

[Related Articles]

[1] Segawa H, Ogata S, Hirosaki N, Inoue S, Shimizu T, Tansho M, Ohki S, Deguchi K, Opt. Mater., 33(2), 170 (2010)

[2] Fujita S, Tanabe S, Jpn. J. Appl. Phys., 48(12), 120210 (2009)

[3] Nakamura S, Mukai T, Senoh M, Appl. Phys. Lett., 64(13), 1687 (1994)

[4] Wei N, Lu T, Li F, Zhang W, Ma B, Lu ZW, Appl. Phys. Lett., 88(6), 061901 (2006)

[5] Nishiura S, Tanabe S, Fujioka K, Fujimoto Y, Opt. Mater., 33(2), 688 (2011)

[6] Wei N, Lu T, Li F, Zhang W, Ma B, Lu ZW, Qi J, Appl. Phys. Lett., 101(6), 06190 (2012)

[7] Narendran N, Gu Y, Freyssinier JP, Yu H, J. Appl. Res., 202(6), R60 (2005)

[8] Kim JK, Jpn. J. Appl. Phys., 44(2), L649 (2005)

[9] Huh C, Hwang J, Lim TY, Kim JH, Lee MJ, Yoo JS, Park TH, Moon J, Korean J. Mater. Res., 22(12), 669 (2012)

[10] Samal GS, Biswas AK, Singh S, Mohapatra YN, Synth. Met., 155(2), 344 (2005)

[11] Garcia M, Picaud S, Attia D, Prog. Retin. Eye Res., 30(4), 239 (2011)

[12] Ma M, Mont F, Yan X, Cho J, Schubert E, Kim G, Sone C, Opt. Express, 19(105), A1135 (2011)