Patent ID: 11911133
Assignee: SHANGHAI HARVEST INTELLIGENCE TECHNOLOGY CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A  G  H | IPC A  H

Claim 0:
1. An operation device for physiological health detection comprises a display unit, a sensing unit and a processing unit; wherein a body part identification area is disposed on the display, the sensing unit is disposed below the body part identification area;
the sensing unit is configured to generate an optical signal, receive the optical signal reflected by the body part of a user, capture a body part information of the user and record an optical signal information reflected by the body part when receiving a light source trigger signal;
the processing unit is configured to obtain a physiological health information corresponding to the body part based on the optical signal reflected by the body part and display the physiological health information on the display unit;
wherein the sensing unit further comprises TFT image sensing array film, and the TFT image sensing array film comprises an array formed by photodiodes or phototransistors;
wherein light detected by array formed by photodiodes or phototransistors comprises visible light or infrared light;
wherein if the TFT image sensing array film is an array formed by the photodiodes, the array formed by the photodiode comprise a photodiode sensing area, the photodiode sensing area comprise a photodiode layer, the photodiodes comprise a p-type semiconductor layer, a i-type semiconductor layer and a n-type semiconductor layer;
the p-type semiconductor layer, the i-type semiconductor layer and the n-type semiconductor layers are stacked in sequence; and
the i-type semiconductor layer has a microcrystalline silicon structure or an amorphous germanium silicide structure;
wherein if the TFT image sensing array film is an array formed by phototransistors, the array formed by the phototransistors comprise a phototransistor sensing area;
a photosensitive film transistor is disposed on the phototransistor sensing area, the photosensitive film transistor comprising a gate, a source, a drain, an insulating layer, and a light absorbing semiconductor layer;
the photosensitive film transistor has an inverted coplanar structure, the inverted coplanar structure comprising the gate, the insulating layer, the source are disposed vertically from bottom to top, the drain and the source are laterally coplanar; the insulating layer surrounds the source so that there is no contact between the gate, the source, and the drain;
the source and the drain are isolated by a gap;
a photosensitive leakage current channel is formed between the source and the drain laterally, the light absorbing semiconductor layer is disposed in the photosensitive leakage current channel.