公开(公告)号：US10685939B2

公开(公告)日：2020-06-16

申请号：US16243363

申请日：2019-01-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Sung You ,  Yun Tae Hwang ,  Ho Young Song ,  Won Hoe Koo ,  Jae Chul Kim ,  Ho Sun Paek

IPC: H01L25/075 ,  F21V23/00 ,  H01L33/54 ,  F21V29/70 ,  H01L33/60 ,  H01L33/50 ,  F21Y115/10 ,  H01L33/62 ,  H05B45/20

Abstract: A white LED module includes a circuit board, at least one first LED light source on the circuit board and emitting a first white light having a first color temperature, at least one second LED light source on the circuit board and emitting a second white light having a second color temperature, higher than the first color temperature, a wiring structure in the circuit board to selectively drive the at least one first LED light source and the at least one second LED light source, and a transparent encapsulant on the circuit board, to cover the at least one first LED light source and the at least one second LED light source. The transparent encapsulant includes a transparent resin and a light-scattering powder in the transparent resin.

公开(公告)号：US20190371768A1

公开(公告)日：2019-12-05

申请号：US16243363

申请日：2019-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Sung YOU ,  Yun Tae Hwang ,  Ho Young Song ,  Won Hoe Koo ,  Jae Chul Kim ,  Ho Sun Paek

IPC: H01L25/075 ,  F21V23/00

Abstract: A white LED module includes a circuit board, at least one first LED light source on the circuit board and emitting a first white light having a first color temperature, at least one second LED light source on the circuit board and emitting a second white light having a second color temperature, higher than the first color temperature, a wiring structure in the circuit board to selectively drive the at least one first LED light source and the at least one second LED light source, and a transparent encapsulant on the circuit board, to cover the at least one first LED light source and the at least one second LED light source. The transparent encapsulant includes a transparent resin and a light-scattering powder in the transparent resin.