US 12,131,717 B2
Color-changing device and control method thereof
Weishu Wang, Shenzhen (CN)
Assigned to SHENZHEN GUANGYI TECH CO., LTD., Shenzhen (CN)
Filed by SHENZHEN GUANGYI TECH CO., LTD., Shenzhen (CN)
Filed on Jun. 7, 2023, as Appl. No. 18/206,729.
Application 18/206,729 is a continuation of application No. PCT/CN2021/134004, filed on Nov. 29, 2021.
Claims priority of application No. 202011443149.9 (CN), filed on Dec. 8, 2020.
Prior Publication US 2023/0335077 A1, Oct. 19, 2023
Int. Cl. G09G 3/38 (2006.01); G02F 1/1516 (2019.01); G02F 1/153 (2006.01)
CPC G09G 3/38 (2013.01) [G02F 1/1516 (2019.01); G02F 1/1533 (2013.01); G09G 2310/0248 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0666 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A color-changing device, comprising a first substrate layer, a first conductive layer, a color-changing layer, a second conductive layer and a second substrate layer that are stacked in sequence; wherein
the first conductive layer is provided with a first bus bar and a second bus bar respectively at edges of two ends;
the second conductive layer is provided with a third bus bar and a fourth bus bar respectively at edges of two ends; and
the color-changing device comprises at least one partition structure, wherein the partition structure comprises at least two boundary bus bars and at least one partition bus bar located between the two boundary bus bars, and the partition bus bar and the boundary bus bar are respectively located on different conductive layers.