JP2016515310A - 発光素子パッケージ、バックライトユニット、照明装置及び発光素子パッケージの製造方法 - Google Patents
発光素子パッケージ、バックライトユニット、照明装置及び発光素子パッケージの製造方法 Download PDFInfo
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- JP2016515310A JP2016515310A JP2016506271A JP2016506271A JP2016515310A JP 2016515310 A JP2016515310 A JP 2016515310A JP 2016506271 A JP2016506271 A JP 2016506271A JP 2016506271 A JP2016506271 A JP 2016506271A JP 2016515310 A JP2016515310 A JP 2016515310A
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- Prior art keywords
- light emitting
- electrode
- bonding medium
- pad
- cup portion
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Abstract
Description
Claims (10)
- 第1パッドと第2パッドとを有するフリップチップ形態の発光素子と、
電極分離空間を基準に、一方に第1電極が設けられ、他方に第2電極が設けられ、前記発光素子が載置されるリードフレームと、
前記発光素子の第1パッドと前記リードフレームの第1電極とが電気的に連結されるように、前記第1パッドと前記第1電極との間に設けられる第1ボンディング媒体と、
前記発光素子の第2パッドと前記リードフレームの第2電極とが電気的に連結されるように、前記第2パッドと前記第2電極との間に設けられる第2ボンディング媒体と、
を含み、
前記リードフレームの第1電極は、前記第1ボンディング媒体を収容する少なくとも1つの第1収容カップ部が形成され、
前記リードフレームの第2電極は、前記第2ボンディング媒体を収容する少なくとも1つの第2収容カップ部が形成され、
前記リードフレームに前記発光素子の載置時に、前記第1収容カップ部及び前記第2収容カップ部の内部で圧着される前記第1ボンディング媒体及び前記第2ボンディング媒体によって、前記第1収容カップ部及び前記第2収容カップ部の内部の空気が外部に容易に排出されるように、前記第1収容カップ部及び前記第2収容カップ部にそれぞれ少なくとも1つの空気排出経路部が形成される、発光素子パッケージ。 - 前記第1収容カップ部及び前記第2収容カップ部は、前記発光素子のチップフットプリント領域または前記第1パッド及び前記第2パッドのパッドフットプリント領域の内部に位置され、
前記空気排出経路部は、前記チップフットプリント領域または前記パッドフットプリント領域の内部から前記チップフットプリント領域または前記パッドフットプリント領域の外部に延びて位置される、請求項1に記載の発光素子パッケージ。 - 前記空気排出経路部は、前記第1収容カップ部及び/または前記第2収容カップ部と連通され、上方が開放された形態の少なくとも断面が矩形である矩形溝部、傾斜面が形成される傾斜溝部、断面が多角である多角溝部、断面が部分的に丸い丸溝部、及びこれらのうち何れか1つを選択してなる、請求項1に記載の発光素子パッケージ。
- 前記第1ボンディング媒体または前記第2ボンディング媒体が、前記空気排出経路部に沿って排出されることを遮断するように、前記空気排出経路部に境界片が形成される、請求項1に記載の発光素子パッケージ。
- 前記第1ボンディング媒体または前記第2ボンディング媒体が、前記空気排出経路部に沿って部分的に排出されるように、前記空気排出経路部の空気出口幅は、前記第1ボンディング媒体または前記第2ボンディング媒体の粒子サイズよりも大きい、請求項1に記載の発光素子パッケージ。
- 前記第1収容カップ部及び前記第2収容カップ部は、前記第1ボンディング媒体及び前記第2ボンディング媒体を前記空気排出経路部の方向に案内するように、底傾斜面または底突起が形成される、請求項1に記載の発光素子パッケージ。
- 前記第1ボンディング媒体及び前記第2ボンディング媒体は、前記第1収容カップ部及び前記第2収容カップ部にそれぞれ塗布またはディスペンシングされるソルダーペーストであり、
前記第1収容カップ部は、前記第1パッドの長手方向または幅方向に沿って複数個が平行に配され、
前記電極分離空間に充填されて電極分離壁を形成し、前記発光素子の側面周りを取り囲む形状の反射カップ部を形成する反射封止材をさらに含む、請求項1に記載の発光素子パッケージ。 - 第1パッドと第2パッドとを有するフリップチップ形態の発光素子と、
電極分離空間を基準に、一方に第1電極が設けられ、他方に第2電極が設けられ、前記発光素子が載置されるリードフレームと、
前記発光素子の第1パッドと前記リードフレームの第1電極とが電気的に連結されるように、前記第1パッドと前記第1電極との間に設けられる第1ボンディング媒体と、
前記発光素子の第2パッドと前記リードフレームの第2電極とが電気的に連結されるように、前記第2パッドと前記第2電極との間に設けられる第2ボンディング媒体と、
前記発光素子の光経路に設けられる導光板と、
を含み、
前記リードフレームの第1電極は、前記第1ボンディング媒体を収容する少なくとも1つの第1収容カップ部が形成され、
前記リードフレームの第2電極は、前記第2ボンディング媒体を収容する少なくとも1つの第2収容カップ部が形成され、
前記リードフレームに前記発光素子の載置時に、前記第1収容カップ部及び前記第2収容カップ部の内部で圧着される前記第1ボンディング媒体及び前記第2ボンディング媒体によって、前記第1収容カップ部及び前記第2収容カップ部の内部の空気が外部に容易に排出されるように、前記第1収容カップ部及び前記第2収容カップ部にそれぞれ少なくとも1つの空気排出経路部が形成される、バックライトユニット。 - 第1パッドと第2パッドとを有するフリップチップ形態の発光素子と、
電極分離空間を基準に、一方に第1電極が設けられ、他方に第2電極が設けられるリードフレームと、
前記発光素子の第1パッドと前記リードフレームの第1電極とが電気的に連結されるように、前記第1パッドと前記第1電極との間に設けられる第1ボンディング媒体と、
前記発光素子の第2パッドと前記リードフレームの第2電極とが電気的に連結されるように、前記第2パッドと前記第2電極との間に設けられる第2ボンディング媒体と、
を含み、
前記リードフレームの第1電極は、前記第1ボンディング媒体を収容する少なくとも1つの第1収容カップ部が形成され、
前記リードフレームの第2電極は、前記第2ボンディング媒体を収容する少なくとも1つの第2収容カップ部が形成され、
前記リードフレームに前記発光素子の載置時に、前記第1収容カップ部及び前記第2収容カップ部の内部で圧着される前記第1ボンディング媒体及び前記第2ボンディング媒体によって、前記第1収容カップ部及び前記第2収容カップ部の内部の空気が外部に容易に排出されるように、前記第1収容カップ部及び前記第2収容カップ部にそれぞれ少なくとも1つの空気排出経路部が形成される、照明装置。 - 電極分離空間を基準に、一方に第1電極が設けられ、他方に第2電極が設けられ、前記第1電極に第1収容カップ部が形成され、前記第2電極に第2収容カップ部が形成され、前記第1収容カップ部及び前記第2収容カップ部にそれぞれ少なくとも1つの空気排出経路部が形成されるリードフレームを準備する段階と、
前記第1収容カップ部に第1ボンディング媒体を塗布またはディスペンシングし、前記第2収容カップ部に第2ボンディング媒体を塗布またはディスペンシングする段階と、
発光素子を前記リードフレームに載置させ、前記空気排出経路部を用いて、前記第1収容カップ部及び前記第2収容カップ部の内部で圧着される前記第1ボンディング媒体及び前記第2ボンディング媒体によって、前記第1収容カップ部及び前記第2収容カップ部の内部の空気を外部に排出させる段階と、
前記第1ボンディング媒体及び前記第2ボンディング媒体をリフローする段階と、
を含む、発光素子パッケージの製造方法。
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KR101640459B1 (ko) * | 2014-12-12 | 2016-07-18 | 주식회사 루멘스 | 발광 소자 패키지와, 백라이트 유닛 및 조명 장치 |
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Also Published As
Publication number | Publication date |
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US9397278B2 (en) | 2016-07-19 |
US9570664B2 (en) | 2017-02-14 |
US20160149103A1 (en) | 2016-05-26 |
US20160284960A1 (en) | 2016-09-29 |
KR101443870B1 (ko) | 2014-09-23 |
EP3116037B1 (en) | 2018-03-07 |
WO2015133705A1 (ko) | 2015-09-11 |
JP6074542B2 (ja) | 2017-02-01 |
CN205177882U (zh) | 2016-04-20 |
EP3116037A1 (en) | 2017-01-11 |
EP3116037A4 (en) | 2017-08-09 |
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