US 12,033,974 B2
Display panel, preparation method thereof, and display device
Quanpeng Yu, Shanghai (CN)
Assigned to Shanghai Tianma Micro-Electronics Co,. Ltd., Shanghai (CN)
Filed by Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed on Oct. 28, 2021, as Appl. No. 17/512,860.
Claims priority of application No. 202110459473.8 (CN), filed on Apr. 27, 2021.
Prior Publication US 2022/0052022 A1, Feb. 17, 2022
Int. Cl. H01L 23/00 (2006.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01)
CPC H01L 24/83 (2013.01) [H01L 24/32 (2013.01); H01L 24/33 (2013.01); H01L 24/93 (2013.01); H01L 25/0753 (2013.01); H01L 25/162 (2013.01); H01L 25/167 (2013.01); H01L 24/29 (2013.01); H01L 24/30 (2013.01); H01L 2224/26122 (2013.01); H01L 2224/26152 (2013.01); H01L 2224/29012 (2013.01); H01L 2224/30155 (2013.01); H01L 2224/32137 (2013.01); H01L 2224/32221 (2013.01); H01L 2224/33164 (2013.01); H01L 2224/83191 (2013.01); H01L 2224/83192 (2013.01); H01L 2224/83951 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a plurality of sub-panels, wherein each of the plurality of sub-panels comprises a first substrate, a second substrate, bezel adhesive located between the first substrate and the second substrate, a plurality of bank structures, and a plurality of light-emitting elements; at least one of the plurality of light-emitting elements forms a pixel unit; and each of the plurality of bank structures is located between adjacent pixel units; and
seaming adhesive located between adjacent sub-panels of the plurality of sub-panels,
wherein the plurality of sub-panels share a same first substrate, and the seaming adhesive is disposed on the same first substrate;
wherein the first substrate comprises a display region and a non-display region surrounding the display region, the plurality of light-emitting elements and the plurality of bank structures are located in the display region, and the bezel adhesive is located in the non-display region; and
wherein the plurality of sub-panels form an array structure of M rows and N columns;
the plurality of sub-panels comprise first-type sub-panels and second-type sub-panels;
the first-type-sub-panels refers to sub-panels located in a first row and a first column of the array structure sub-panels located in the first row and an N-th column of the array structure subpanels located in an M-th row and the first column of the array structure, and sub-panels located in the M-th row and the N-th column of the array structure;
the second-type sub-panels refers to sub-panels in the plurality of sub-panels other than the first-type sub-panels;
bezel adhesive of each of the first-type sub-panels is located on two bezels of the each of the first-type sub-panels; and
bezel adhesive of each of the second-type sub-panels is located on one bezel of the each of the second-type sub-panels,
wherein M and N are both positive integers, M=2, and N≥2; or
M and N a both integers, N=2, and M≥2.