Patent ID: 11886063
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. A manufacturing method of a display panel motherboard, comprising:
forming a display panel motherboard comprising at least one display panel unit,
wherein the display panel motherboard comprises:
at least three mother substrates stacked with each other;
the at least one display panel unit; and
a cutting region, at least a portion of the at least one display panel unit being surrounded by the cutting region,
wherein an organic film layer is not disposed in at least two of the at least three mother substrates in the cutting region;
the forming the display panel motherboard comprising the at least one display panel unit comprises:
forming each of the at least three mother substrates, respectively, and
assembling the at least three mother substrates to form the display panel motherboard,
wherein a step of forming the each of the at least three mother substrates, respectively, comprises: etching and removing organic film layers of the at least two of the at least three mother substrates in the cutting region;
wherein in each of the at least one display panel unit, at least one of the at least three mother substrates comprises a bonding region;
on a mother substrate in which an organic film layer is not disposed in the cutting region and comprising the bonding region, the organic film layer is not disposed in the bonding region; and
the step of forming the each of the at least three mother substrates, respectively, further comprises:
etching and removing the organic film layer in the bonding region of the mother substrate in which an organic film layer is not disposed in the cutting region and comprising the bonding region.