US Patent No. 10,558,088

DISPLAY SUBSTRATE MOTHERBOARD AND DISPLAY DEVICE


Patent No. 10,558,088
Issue Date February 11, 2020
Title Display Substrate Motherboard And Display Device
Inventorship Cong Tan, Beijing (CN)
Jian Ma, Beijing (CN)
Wenming Ren, Beijing (CN)
Chengyong Zhan, Beijing (CN)
Assignee BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN) HEFEI XINSHENG OPTOELECTORNIC...

Claim of US Patent No. 10,558,088

1. A display substrate motherboard comprising:a plurality of display regions spaced from each other; and
an assistant support structure between two adjacent display regions of the plurality of display regions,
wherein a height of the assistant support structure increases gradually from an edge of the assistant support structure towards a central location of the assistant support structure along a predetermined direction,
the display substrate motherboard further comprises a substrate motherboard, the assistant support structure and the display pattern layer being arranged on the substrate motherboard,
wherein the display pattern layer comprises a black matrix, color filter blocks separated by the black matrix, a protection layer covering the black matrix and the color filter blocks and a spacer on the protection layer,
wherein the assistant support structure comprises at least one of a black matrix retention pattern arranged in a same layer as the black matrix, a color filter block retention pattern arranged in a same layer as the color filter blocks, a protection layer retention pattern arranged in a same layer as the protection layer and an assistant spacer arranged in a same layer as the spacer, and
wherein the assistant support structure comprises a stepped portion which has a height increasing gradually from an edge of the assistant support structure towards a central location of the assistant support structure along a predetermined direction, and an assistant spacer is provided on each step of the stepped portion.