Title:
LED LAMP STRIP COATED WITH PVC RESIN AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/073236
Kind Code:
A1
Abstract:
The present invention relates to an LED lamp strip coated with a PVC resin and a manufacturing method therefor. Specifically, said method comprises: after elements are attached to a circuit board, attaching a layer of adhesive-coated PVC film to the back side of the circuit board to preparing a bare lamp strip with the PVC film on the back side, and then using an extruder to melt PVC and extrude the melt PVC so as to coat same on the bare lamp strip; during extrusion, when the PVC surface on the back side of the bare lamp strip is in contact with hot melt PVC, the surface of the PVC film will be heated, and forms hot melt and co-melt bonding with the hot melt PVC adhesive, so that the bare lamp strip and the coated PVC glue are bonded into a whole.
Inventors:
WANG DINGFENG (CN)
XU WENHONG (CN)
RAN CHONGYOU (CN)
XU LEI (CN)
JU SHENGTAO (CN)
XU WENHONG (CN)
RAN CHONGYOU (CN)
XU LEI (CN)
JU SHENGTAO (CN)
Application Number:
PCT/CN2020/109002
Publication Date:
April 22, 2021
Filing Date:
August 13, 2020
Export Citation:
Assignee:
WANG DINGFENG (CN)
International Classes:
F21S4/24; F21K9/90; F21V31/00
Foreign References:
| CN109812721A | 2019-05-28 | |||
| CN207584444U | 2018-07-06 | |||
| CN204513066U | 2015-07-29 | |||
| CN204066871U | 2014-12-31 | |||
| JP2003293336A | 2003-10-15 | |||
| EP2151621A1 | 2010-02-10 |
Attorney, Agent or Firm:
EASWAYER LAW FIRM (CN)
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