Title:
LED DOWN LAMP
Document Type and Number:
WIPO Patent Application WO/2019/144613
Kind Code:
A1
Abstract:
An LED down lamp, comprising: an LED light source (101), a focusing lens (301), a heat radiator cover (102), and a hollow reflector cup (103). The focusing lens (301) is fastened below the LED light source (101) by means of a support (302); the outer wall of the reflector cup (103) is provided with a multi-stage step structure from top to bottom; the reflector cup (103) is built in a cavity of the heat radiator cover (102); the LED light source (101) is fixed at the top inside the heat radiator cover (102), and is located above the reflector cup (103). The focusing lens fastened below the LED light source by means of the support can collect scattered light emitted from the LED light source as direct light, so that more light from the LED light source is scattered onto the outer wall of the reflector cup, and further scatted and reflected by the multi-stage step structure provided on the outer wall of the reflector cup. Therefore, the problem of glaring of an LED down lamp is improved without increasing the volume of the LED down lamp.
Inventors:
LI TINGHONG (CN)
TAN YUQING (CN)
LIANG ZHAORONG (CN)
TAN YUQING (CN)
LIANG ZHAORONG (CN)
Application Number:
PCT/CN2018/102479
Publication Date:
August 01, 2019
Filing Date:
August 27, 2018
Export Citation:
Assignee:
ETI SOLID STATE LIGHTING ZHUHAI LTD (CN)
International Classes:
F21S8/02; F21V5/04; F21V7/04; F21V17/16; F21V29/70; F21Y115/10
Foreign References:
| CN205014200U | 2016-02-03 | |||
| CN104296016A | 2015-01-21 | |||
| CN202660302U | 2013-01-09 | |||
| CN203082640U | 2013-07-24 | |||
| CN205480476U | 2016-08-17 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
Download PDF:
Previous Patent: ZERO-KNOWLEDGE MULTI-ACCOUNT-BOOK EXCHANGE TRANSFER METHOD AND APPARATUS BASED ON BLOCKCHAIN, AND ST...
Next Patent: MAGLEV VEHICLE
Next Patent: MAGLEV VEHICLE