Invention Grant
- Patent Title: Illumination device with light guide having angled light-accepting surfaces
-
Application No.: US16867113Application Date: 2020-05-05
-
Publication No.: US10948804B2Publication Date: 2021-03-16
- Inventor: Varun Dev Kakkar , Arjen Van Der Sijde , Erno Fancsali , Chunxia Feng , Nicola Bettina Pfeffer
- 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: EP16156952 20160223
- Main IPC: G03B15/05
- IPC: G03B15/05 ; F21V8/00 ; H04N5/225
Abstract:
A device includes a light-emitting device (LED) having at least two vertical light-emitting sides, and a ring-shaped light guide having a bottom side, a top side comprising a light-emitting surface, an inner sidewall, and an outer sidewall defining an indentation having at least two vertical in-coupling surfaces mated to the at least two vertical light-emitting sides of the LED.
Public/Granted literature
- US11199755B2 Illumination device with light guide having angled light-accepting surfaces Public/Granted day:2021-12-14
Information query
