SEMICONDUCTOR LIGHT EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME

• Main Authors: KOJIMA AKIHIRO, SHIMADA MIYOKO, AKIMOTO YOSUKE
• Format: Patent
• Language: English; Japanese
• Published: 15.01.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

PROBLEM TO BE SOLVED: To provide a semiconductor light emitting device and a manufacturing method of the same, which reduces chromatic variation.SOLUTION: A semiconductor light emitting device 10 comprises: three chips 3a, 3b each of which has a semiconductor layer 15 including a first surface 15a, a second surface formed on the opposite side and a luminescent layer 12a, a p-side electrode 16 provided on the semiconductor layer, and has an n-side electrode 17; a phosphor layer 31 which is provided on the first surface side of the chips and has phosphor of the same kind and different thicknesses, or a phosphor layer having phosphors of different kinds; and a first insulation layer 18 which is provided on the second surface side, and has, in each chip, first vias 18a leading to the p-side electrodes, second vias 18b leading to the n-side electrodes, and a wiring surface formed on the opposite side to the first surface. The semiconductor light emitting device 10 further comprises: p-side wiring layers 21 which are provided on the wiring surface of the first insulation layer and electrically connected with the p-side electrodes through the first vias, respectively; and n-side wiring layers 22 which are provided on the wiring surface and electrically connected with the n-side electrodes through the second vias, respectively. 【課題】色度ばらつきを低減した半導体発光装置及びその製造方法を提供する。【解決手段】半導体発光装置１０は、第１の面１５ａと反対側に形成された第２の面と発光層１２ａとを含む半導体層１５と、半導体層に設けられたｐ側電極１６と、ｎ側電極１７とをそれぞれが含む３つのチップ３ａ，３ｂと、チップの第１の面側に設けられた同種類の蛍光体を有し厚さの異なる蛍光体層３１、あるいは異なる種類の蛍光体を有する蛍光体層と、第２の面側に設けられ、それぞれのチップにおいて、第ｐ側電極に通じる第１のビア１８ａと、ｎ側電極に通じる第２のビア１８ｂと、第１の面に対する反対側に形成された配線面とを有する第１の絶縁層１８とを備える。第１の絶縁層の配線面上に設けられ、第１のビアを通じてｐ側電極と電気的に接続されたｐ側配線層２１と、配線面上に設けられ、第２のビアを通じてｎ側電極と電気的に接続されたｎ側配線層２２とを有する。【選択図】図１