US Patent No. 10,219,392

SEALANT AND PREPARATION METHOD THEREOF, AND DISPLAY PANEL MOTHERBOARD AND MANUFACTURING METHOD THEREOF


Patent No. 10,219,392
Issue Date February 26, 2019
Title Sealant And Preparation Method Thereof, And Display Panel Motherboard And Manufacturing Method Thereof
Inventorship Hongpeng Li, Beijing (CN)
Assignee BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN) BEIJING BOE OPTOELECTRONICS T...

Claim of US Patent No. 10,219,392

1. A display panel motherboard, comprising: a first motherboard and a second motherboard which are cell-assembled with each other, wherein, the first motherboard includes a plurality of first substrate units, the second motherboard includes a plurality of second substrate units, and the first substrate units correspond to the second substrate units in one-to-one correspondence;a first sealant is provided on the first motherboard and the second motherboard in a first packaging region of, and the first packaging region is a region surrounding the plurality of first substrate units and the plurality of second substrate units;
a second sealant is provided on the first substrate unit and the second substrate unit in a second packaging region;
wherein, the first sealant is a sealant comprising a main adhesive material and a water swellable material dispersed and doped in the main adhesive material,
wherein, a value of a water swelling rate of the water swellable material ranges from 110% to 200%.