US 12,243,973 B2
Drive circuit substrate, LED display panel and method of forming the same, and display device
Ke Wang, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Nov. 3, 2023, as Appl. No. 18/501,939.
Application 18/501,939 is a continuation of application No. 17/054,746, granted, now 11,848,408, previously published as PCT/CN2019/122385, filed on Dec. 2, 2019.
Prior Publication US 2024/0063360 A1, Feb. 22, 2024
Int. Cl. H01L 27/15 (2006.01); G09G 3/32 (2016.01); H01L 25/075 (2006.01); H01L 29/26 (2006.01); H01L 31/12 (2006.01); H01L 33/00 (2010.01); H01L 33/38 (2010.01); H01L 33/62 (2010.01)
CPC H01L 33/62 (2013.01) [G09G 3/32 (2013.01); H01L 25/0753 (2013.01); H01L 33/387 (2013.01); H01L 33/0066 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A drive circuit substrate, comprising a base substrate and a plurality of drive electrodes arranged in an array on a surface of the base substrate, wherein at least one conductive structure is arranged on a surface of each drive electrode away from the base substrate, the conductive structure is electrically connected to the corresponding drive electrode, and an orthographic projection of the conductive structure onto the base substrate is within an orthographic projection of the corresponding drive electrode onto the base substrate;
the driving electrodes comprise a first driving electrode and a second driving electrode, a horizontal height of the first driving electrode is greater than a horizontal height of the second driving electrode, the conductive structure comprises a first conductive structure on a surface of the first driving electrode away from the base substrate and a second conductive structure on a surface of the second driving electrode away from the base substrate, a height of the second conductive structure is greater than a height of the first conductive structure, the horizontal height of the first driving electrode is a distance from the surface of the first driving electrode away from the base substrate to a surface of the base substrate close to the first driving electrode, the horizontal height of the second driving electrode is a distance from the surface of the second driving electrode away from the base substrate to a surface of the base substrate close to the second driving electrode;
wherein a horizontal height of the first conductive structure is approximately equal to a horizontal height of the second conductive structure;
the horizontal height of the first conductive structure is a distance from the surface of the first conductive structure away from the base substrate to the surface of the base substrate close to the first driving electrode, and the horizontal height of the second conductive structure is a distance from the surface of the second conductive structure away from the base substrate to the surface of the base substrate close to the second driving electrode.