Invention Grant
- Patent Title: Printed circuit board for integrated LED driver
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Application No.: US16184565Application Date: 2018-11-08
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Publication No.: US10856376B2Publication Date: 2020-12-01
- Inventor: Zhihua Song , Wouter Soer , Ron Bonne , Yifeng Qiu
- Applicant: Lumileds LLC
- Applicant Address: US CA San Jose
- Assignee: Lumileds LLC
- Current Assignee: Lumileds LLC
- Current Assignee Address: US CA San Jose
- Agency: Schwegman Lundberg & Woessner, P.A.
- Priority: EP16190841 20160927
- Main IPC: H05B45/10
- IPC: H05B45/10 ; H05K1/05 ; H05K3/40 ; H05K1/11 ; H05K3/44 ; H05K3/46 ; H05B45/50 ; H05K1/02 ; H05K3/00 ; H01L25/16 ; H01L25/00 ; H05K3/10 ; H05K3/14 ; H01R13/6591 ; H05K9/00 ; H05B45/37 ; H05K1/18 ; H05K3/30 ; H05K3/18 ; H05K3/16 ; H05K13/00

Abstract:
A light emitting diode (LED) module may include a direct current (DC) voltage node formed on a first layer. The DC voltage node may be configured to sink a first current. One or more devices may be formed on the first layer configured to provide a second current to one or more LEDs. A device of the one or more devices may carry a steep slope voltage waveform. A local shielding area may be formed in a second layer directly below the DC voltage node and the one or more devices. The local shielding area may include a substantially continuous area of conductive material. A conductive via may extend through one or more layers. The conductive via may electrically connect the DC voltage node and the local shielding area.
Public/Granted literature
- US10813182B2 Printed circuit board for integrated LED driver Public/Granted day:2020-10-20
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