Patent ID: 11865538
Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Measurement (Instruments)
Classification: CPC B  G  H | IPC B  G  H

Claim 6:
7. The biological detection device according to claim 6, wherein the opposite substrate comprises:
a second base substrate;
a breathable film, on a side of the second base substrate away from the biological detection chip; and
a cover plate, on a side of the breathable film away from the second base substrate,
wherein the cover plate and the breathable film are spaced apart to form a gas channel between the cover plate and the breathable film, and the second base substrate is provided with a vent hole, and an orthographic projection of the vent hole on the second base substrate is located within an orthographic projection of the gas channel on the second base substrate.