Title:
DIRECT-LIT BACKLIGHTING LAMP
Document Type and Number:
WIPO Patent Application WO/2021/179653
Kind Code:
A1
Abstract:
A direct-lit backlighting lamp, relating to an indoor lamp, and relating to the technical field of indoor lighting. The direct-lit backlighting lamp comprises a heat-dissipation lamp holder (1). The heat-dissipation lamp holder (1) is covered by a light source diffuser (2); at least one aluminum substrate (3) is provided in the heat-dissipation lamp holder (1); a plurality of lamp beads (4) are arranged on the aluminum substrate (3); the aluminum substrate (3) is connected to a driver; the driver is connected to a power supply; each lamp bead (4) comprises a support (41); at least two conductive groups (42) spaced apart are provided in parallel in each support (41), and a wafer (43) is mounted in the two conductive groups (42); the wafers (43) and the conductive groups (42) are electrically connected by lead wires (5); wafers I (431) and wafers II (432) are respectively covered by phosphor layers I (44) and phosphor layers II (45); and by adjusting currents of a first circuit and a second circuit, a control unit can control the lamp beads (4) to emit light having different color temperatures. The direct-lit backlighting lamp has a simple structure and low production cost and can bring high sales profit for sellers and reduce storage pressure of sellers.
Inventors:
CHEN HONGWEI (CN)
Application Number:
PCT/CN2020/127976
Publication Date:
September 16, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
ZHEJIANG ALITE LIGHTING CO LTD (CN)
International Classes:
F21S10/02; F21V9/30; F21V14/00; F21V19/00; F21V23/06
Foreign References:
| CN211475804U | 2020-09-11 | |||
| CN110690335A | 2020-01-14 | |||
| CN206582564U | 2017-10-24 | |||
| CN205160868U | 2016-04-13 | |||
| CN204834681U | 2015-12-02 | |||
| KR20160112231A | 2016-09-28 |
Attorney, Agent or Firm:
SHENZHEN ELSON PATENT AGENT FIRM (GENERAL PARTNERSHIP) (CN)
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