Patent ID: 11948845
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 14:
15. The system for testing flatness according to claim 9, wherein the testing platform is detachably assembled on the base, and the device for testing flatness further comprises a platform storage and a platform transmission mechanism;
the platform storage comprises a first storage space and a second storage space, the first storage space is used to store a standby testing platform, and the second storage space is an empty storage space; the supporting structure of the standby testing platform is different from the supporting structure of the testing platform assembled on the base;
the platform transmission mechanism is used to transport the testing platform assembled on the base to the second storage space, and transport the standby testing platform stored in the first storage space to the base.