JP6535965B2 - 発光ダイオードの色変換用基板及びその製造方法 - Google Patents
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- 239000000758 substrate Substances 0.000 title claims description 190
- 238000006243 chemical reaction Methods 0.000 title claims description 66
- 238000004519 manufacturing process Methods 0.000 title claims description 49
- 239000011521 glass Substances 0.000 claims description 173
- 239000003566 sealing material Substances 0.000 claims description 40
- 238000002844 melting Methods 0.000 claims description 38
- 230000008018 melting Effects 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 34
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 26
- 238000011049 filling Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002096 quantum dot Substances 0.000 description 51
- 239000000463 material Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- -1 gallium arsenide Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Description
110:第1ガラス基板
120:第2ガラス基板
130:構造体
140:QD
Claims (12)
- 発光ダイオード上に配置される第1ガラス基板;
前記第1ガラス基板と対向するように形成される第2ガラス基板;
前記第1ガラス基板と前記第2ガラス基板との間に配置され、中空部が形成されており、黄色蛍光体と低融点フリットガラスとの混合物からなる構造体;
前記中空部に充填されるQD;及び
前記第1ガラス基板と前記構造体の下面との間及び前記第2ガラス基板と前記構造体の上面との間にそれぞれ形成される封止材;
を含み、
前記封止材は、低融点フリットガラスからなることを特徴とする発光ダイオードの色変換用基板。 - 前記黄色蛍光体は、YAG系の蛍光体であることを特徴とする請求項1に記載の発光ダイオードの色変換用基板。
- 前記低融点フリットガラスは、650℃以下の軟化点を有することを特徴とする請求項1に記載の発光ダイオードの色変換用基板。
- 前記低融点フリットガラスは、1.7以上の屈折率を有することを特徴とする請求項1に記載の発光ダイオードの色変換用基板。
- 前記構造体は、前記第1ガラス基板及び前記第2ガラス基板との間に複数配置されることを特徴とする請求項1に記載の発光ダイオードの色変換用基板。
- 中空部が形成されており、黄色蛍光体と低融点フリットガラスからなる構造体を製造する構造体製造段階;
前記構造体を第1ガラス基板上に配置する構造体配置段階;
前記第1ガラス基板上に配置された前記構造体の中空部にQDを充填するQD充填段階;
前記構造体上に前記第1ガラス基板と対向する形態で第2ガラス基板を配置する第2ガラス基板配置段階;及び
前記第1ガラス基板、前記構造体、及び前記第2ガラス基板をシール(sealing)するシーリング段階;
を含み、
前記構造体配置段階では、低融点フリットガラスからなる第1封止材を介して前記第1ガラス基板上に前記構造体を固定することを特徴とし、
前記第2ガラス基板配置段階では、低融点フリットガラスからなる第2封止材を介して前記構造体上に前記第2ガラス基板を固定することを特徴とする発光ダイオードの色変換用基板の製造方法。 - 前記構造体製造段階は、
前記低融点フリットガラス粉末に前記黄色蛍光体を混合して顆粒粉末を造粒する過程、及び
前記顆粒粉末を四角枠状に成形し焼成する過程を含むことを特徴とする請求項6に記載の発光ダイオードの色変換用基板の製造方法。 - 前記シーリング段階では、前記第1封止材及び前記第2封止材にレーザを照射して前記第1ガラス基板と前記構造体、及び前記第2ガラス基板と前記構造体をレーザシールすることを特徴とする請求項6に記載の発光ダイオードの色変換用基板の製造方法。
- 黄色蛍光体と低融点フリットガラスとを混合してペーストを調製するペースト調製段階;
前記ペーストを第1ガラス基板上に印刷して中空部が形成されている構造体を形成する構造体形成段階;
前記第1ガラス基板上に形成された前記構造体の中空部にQDを充填するQD充填段階;
前記構造体上に前記第1ガラス基板と対向する形態で第2ガラス基板を配置する第2ガラス基板配置段階;及び
前記構造体及び前記第2ガラス基板をシール(sealing)するシーリング段階; を含み、
前記第2ガラス基板配置段階では、低融点フリットガラスからなる封止材を介して前記構造体上に前記第2ガラス基板を固定することを特徴とする発光ダイオードの色変換用基板の製造方法。 - 前記シーリング段階では、前記封止材にレーザを照射して前記構造体と前記第2ガラス基板をレーザシールすることを特徴とする請求項9に記載の発光ダイオードの色変換用基板の製造方法。
- 前記黄色蛍光体としては、YAG系の蛍光体を使用することを特徴とする請求項7または請求項9に記載の発光ダイオードの色変換用基板の製造方法。
- 前記低融点フリットガラスとしては、軟化点が650℃以下で、且つ屈折率が1.7以上のフリットガラスを使用することを特徴とする請求項6または請求項9に記載の発光ダイオードの色変換用基板の製造方法。
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KR1020140129236A KR20160038094A (ko) | 2014-09-26 | 2014-09-26 | 발광 다이오드의 색변환용 기판 및 그 제조방법 |
PCT/KR2015/008279 WO2016047920A1 (ko) | 2014-09-26 | 2015-08-07 | 발광 다이오드의 색변환용 기판 및 그 제조방법 |
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US10524666B2 (en) * | 2018-05-09 | 2020-01-07 | Inner Ray, Inc. | White excitation light generating device and white excitation light generating method |
KR102040975B1 (ko) * | 2018-05-28 | 2019-11-06 | 주식회사 베이스 | 마이크로 led 디스플레이용 색변환 구조체의 제조 방법 |
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2014
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2015
- 2015-08-07 CN CN201580051936.XA patent/CN106716653A/zh active Pending
- 2015-08-07 JP JP2017516314A patent/JP6535965B2/ja active Active
- 2015-08-07 US US15/514,743 patent/US20170244009A1/en not_active Abandoned
- 2015-08-07 WO PCT/KR2015/008279 patent/WO2016047920A1/ko active Application Filing
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US20170244009A1 (en) | 2017-08-24 |
TW201624775A (zh) | 2016-07-01 |
WO2016047920A1 (ko) | 2016-03-31 |
CN106716653A (zh) | 2017-05-24 |
JP2017531818A (ja) | 2017-10-26 |
TWI560913B (en) | 2016-12-01 |
KR20160038094A (ko) | 2016-04-07 |
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