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Patent Searching and Data


Title:
SINGLE-PORT LED MODULE WITH ADJUSTABLE COLOUR AND TEMPERATURE, AND COLOUR AND TEMPERATURE ADJUSTMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2018/023998
Kind Code:
A1
Abstract:
Provided is a single-port LED module with adjustable colour and temperature, wherein only one pair of wiring terminals (V+, V-) is provided to introduce a drive power supply. The LED module comprises: a substrate, and LED chip groups A and B borne thereon. The chip group A comprises at least one string of LED chips, and each string has K1 LED chips; if the chip group A includes two or more strings of LED chips, the strings of chips are connected to each other in parallel; and a circuit of the chip group A is provided with a security unit for preventing an over-current so as to ensure that a current flowing through each string of LED chips does not exceed or is constantly at an allowable value. The chip group B also comprises at least one string of LED chips, and each string is formed by connecting K2 LED chips in series, K2 being greater than K1; and if the chip group B comprises two or more strings of LED chips, the strings of LED chips are also connected to each other in parallel. The chip group A and the chip group B are connected to each other in parallel, and the same drive power supply is introduced by means of the common wiring terminals (V+, V-). The LED module with adjustable colour and temperature is realized by means of a single port, thereby saving port resources.

Inventors:
PAN, Liming (5FB Building, ChuangFu Science and Technology Park,BeiHuan Road, ShiYan Town, Baoan Distric, Shenzhen Guangdong 0, 518000, CN)
WANG, Jixiang (5FB Building, ChuangFu Science and Technology ParkBeiHuan Road, ShiYan Town, BaoAn Distric, Shenzhen Guangdong 0, 518000, CN)
Application Number:
CN2017/081160
Publication Date:
February 08, 2018
Filing Date:
April 19, 2017
Export Citation:
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Assignee:
SHENZHEN LIGHTSPOT ELECTRONICS TECHNOLOGY CO., LTD. (5FB Building, ChuangFu Science and Technology ParkBeiHuan Road, ShiYan Town, Baoan Distric, Shenzhen Guangdong 0, 518000, CN)
International Classes:
F21K9/20; F21V23/00
Attorney, Agent or Firm:
SHENZHEN RUIZHI PATENT AGENCY (Rm. 501A, Keji Mansion central No. 6 Keyuan Road, Science & Industrial Park, Nanshan Distric, Shenzhen Guangdong 7, 518057, CN)
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