JP5980866B2 - 光源モジュール及びその製造方法、並びに光源モジュールを備えたバックライトユニット - Google Patents
光源モジュール及びその製造方法、並びに光源モジュールを備えたバックライトユニット Download PDFInfo
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Description
Claims (12)
- 底面を介して基板と電気的に接続される発光ダイオードチップと、
前記発光ダイオードチップの一側面に前記発光ダイオードチップの光が放出される出射面を含み、少なくとも前記出射面を含んで前記発光ダイオードチップ上に形成される波長変換部と、
前記出射面を除いた前記発光ダイオードチップ上に形成される反射部と、
前記基板と前記発光ダイオードチップとの間に位置すると共に前記反射部に対向し前記出射面と並んだ領域にまで設けられた反射物質と蛍光体とを含むアンダーフィルと、
を含む光源モジュール。 - 前記反射物質は、TiO2、SiO2、ZrO2、PbCO3、PbO、Al2O3、ZnO、Sb2O3のうちいずれか一つまたはこれらの組み合わせである、請求項1に記載の光源モジュール。
- 前記発光ダイオードチップは、フリップチップボンディングまたはSMT(Surface Mount Techology)によって前記基板に実装される、請求項1に記載の光源モジュール。
- 前記発光ダイオードチップは、
第1導電型不純物でドーピングされた第1の半導体層と、
前記第1の半導体層の下側に形成される活性層と、
第2の導電型不純物でドーピングされ、前記活性層の下側に形成される第2の半導体層と、
前記第1の半導体層と電気的に接続される第1の電極と、
前記第2の半導体層と電気的に接続される第2の電極と、
前記第1の電極と電気的に接続される第1の電極パッドと、
前記第2の電極と電気的に接続される第2の電極パッドとを含み、
前記第1の電極パッド及び前記第2の電極パッドを介して前記基板と電気的に接続される、請求項1に記載の光源モジュール。 - 導光板と、
前記導光板の少なくとも一側に位置して光を放出する光源モジュールとを含み、
前記光源モジュールは、底面を介して基板と電気的に接続される発光ダイオードチップと、前記発光ダイオードチップの一側面に前記発光ダイオードチップの光が放出される出射面を含み、少なくとも前記出射面を含んで前記発光ダイオードチップ上に形成される波長変換部と、前記出射面を除いた前記発光ダイオードチップ上に形成される反射部と、前記基板と前記発光ダイオードチップとの間に位置し前記反射部に対向し前記出射面と並んだ領域にまで設けられた反射物質と蛍光体とを含むアンダーフィルと、を含む、バックライトユニット。 - 前記発光ダイオードチップは、フリップチップボンディングまたはSMT(Surface Mount Techology)によって前記基板に実装される、請求項5に記載のバックライトユニット。
- 発光ダイオードチップを製造し、
少なくとも発光ダイオードチップの光が放出される出射面を含んで、前記発光ダイオードチップ上に波長変換部を形成し、
前記出射面を除いた前記発光ダイオードチップ上に反射部を形成し、
前記基板と前記発光ダイオードチップとの間に位置し前記反射部に対向し前記出射面と並んだ領域にまで反射物質と蛍光体とを含むアンダーフィルを形成すること
を含む光源モジュールの製造方法。 - 前記反射部を形成することは、
前記発光ダイオードチップの上面及び側面を囲む反射部を形成し、
前記出射面に対応する領域に形成された反射部を除去し、前記波長変換部を露出させることを含む、請求項7に記載の光源モジュールの製造方法。 - 前記波長変換部を露出させることは、フライカッティングを用いて前記出射面に対応する領域に形成された前記反射部を除去することを特徴とする、請求項8に記載の光源モジュールの製造方法。
- 前記アンダーフィルを形成することは、
前記基板上に位置し、前記発光ダイオードチップの出射面と接するダム部を形成し、
前記アンダーフィルを注入し、前記アンダーフィルを形成した後、前記ダム部を除去することを含む、請求項7に記載の光源モジュールの製造方法。 - 前記光源モジュールの製造方法は、
前記発光ダイオードチップを基板に電気的に接続させることを含み、
前記基板に接続させることは、フリップチップボンディングまたはSMT(Surface Mount Techology)で前記基板に実装することを特徴とする、請求項7に記載の光源モジュールの製造方法。 - 前記発光ダイオードチップを製造することは、
第1の導電型不純物でドーピングされた第1の半導体層を形成し、
前記第1の半導体層の下側に活性層を形成し、
第2の導電型不純物でドーピングされた第2の半導体層を前記活性層の下側に形成し、
前記第1の半導体層と電気的に接続される第1の電極を形成し、
前記第2の半導体層と電気的に接続される第2の電極を形成し、
前記第1の電極と電気的に接続される第1のパッドを形成し、
前記第2の電極と電気的に接続される第2のパッドを形成することを含む、請求項7に記載の光源モジュールの製造方法。
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2014
- 2014-09-24 EP EP14186227.6A patent/EP2854186A1/en not_active Withdrawn
- 2014-09-26 JP JP2014196808A patent/JP5980866B2/ja not_active Expired - Fee Related
- 2014-09-26 CN CN201410505174.3A patent/CN104515040B/zh active Active
- 2014-09-26 US US14/498,086 patent/US20150085527A1/en not_active Abandoned
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US20150085527A1 (en) | 2015-03-26 |
JP2015070273A (ja) | 2015-04-13 |
CN104515040B (zh) | 2017-08-04 |
EP2854186A1 (en) | 2015-04-01 |
CN104515040A (zh) | 2015-04-15 |
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