公开(公告)号：US10110312B2

公开(公告)日：2018-10-23

申请号：US15490479

申请日：2017-04-18

Applicant: South China Normal University

Inventor： Zhiyou Guo ,  Jie Sun ,  Jing Huang ,  Huiqing Shun ,  Hongyong Huang ,  Yong Huang ,  Xian Yang ,  Zhuding Zhang ,  Yang Liu ,  Min Guo ,  Shunyu Yao ,  Xinyan Yi ,  Xuancong Fang

IPC: H01L29/18 ,  H01L33/00 ,  H04B10/50 ,  H04B10/116 ,  H05B33/08 ,  H01L27/15 ,  H01L49/02 ,  H01L33/12 ,  H01L33/06 ,  H01L33/14 ,  H01L33/42

Abstract: A visible light communication emission device with improved response frequency is provided, comprising a substrate, wherein an inductance coil module is provided on the substrate, a LED chip matrix formed by series connection of a plurality of LED chips is provided on the inductance coil module, and the inductance coil module and the LED chip matrix are connected in series, wherein inductance value L of the inductance coil module is configured to be: L=1/(ω2C), with C representing capacity in the device provided by LED chips and ω representing frequency, wherein the inductance coil module comprises more than one inductance coil whose composition materials from inside to outside are successively Cr, Al, Cr, Ti, and Ag.

公开(公告)号：US10237933B2

公开(公告)日：2019-03-19

申请号：US15490065

申请日：2017-04-18

Applicant: South China Normal University

Inventor： Huiqing Sun ,  Xian Yang ,  Zhiyou Guo ,  Yong Huang ,  Hongyong Huang ,  Jie Sun ,  Jing Huang ,  Zhuding Zhang ,  Yang Liu

IPC: H05B33/08 ,  H01L27/15 ,  H01L33/08 ,  H01L33/32 ,  H01L49/02 ,  H01L33/00 ,  H01L33/38 ,  H01L33/06 ,  H01L33/12 ,  H01L33/42 ,  H04B10/50 ,  H01L33/62 ,  H01L33/44 ,  H04B10/116 ,  H01L33/20

Abstract: A visible light communication LED having a spiral inductance coil and a circular core is provided, comprising a sapphire substrate provided with a positive electrode welding spot and a negative electrode welding spot, and a plurality of LED cores deposited on the sapphire substrate. The negative electrode of a former core is connected with the positive electrode of a latter core, and the positive electrode of the first core and the negative electrode of the last core are respectively connected to the positive electrode welding spot and the negative electrode welding spot on the substrate. According to the present invention, each of the LED cores is surrounded by a spiral inductance coil, and a pin of one end of the spiral inductance coil is connected via a connecting wire with the negative electrode of an adjacent LED core, while the other end is directly connected with the positive electrode of the LED core that is surrounded by the spiral inductance coil.