Slim type fingerprint recognition device using contact light emitting device and thin film transistor fingerprint input device
AssigneeTestech, Inc.
InventorSang Hoon Chae
Life of this patent
Estimating the term…
Abstract
A slim type fingerprint recognition device including: a TFT fingerprint input device having a structure where a plurality of unit cells including an light sensing unit and a switching unit are aligned; and a contact light emitting device being installed on the TFT fingerprint input device, the TFT fingerprint input device and the contact light emitting device being adhered to each other by an adhesive layer, one alternating current terminal being connected to a transparent electrode layer of the contact type light emitting device.
Claims11
A slim type fingerprint recognition device comprising:
- a TFT fingerprint input device having a structure where a plurality of unit cells including a light sensing unit and a switching unit are aligned;
- and
- a contact light emitting device being installed on the TFT fingerprint input device, the TFT fingerprint input device and the contact light emitting device being adhered to each other by an adhesive layer, one alternating current terminal being connected to a transparent electrode layer of the contact type light emitting device.
A slim type fingerprint recognition device using a contact type light emitting device and a TFT fingerprint input device, comprising:
- the TFT fingerprint input device having a structure where a plurality of unit cells including a light sensing unit and a switching unit are aligned;
- and the contact light emitting device installed on the TFT fingerprint input device,
- wherein the contact light emitting device comprises:
- a transparent electrode layer directly deposited on the TFT fingerprint input device in a thin film type;
- one alternating current terminal being connected to the transparent electrode layer;
- a light emitting layer formed on the transparent electrode layer;
- a light shielding layer formed on the light emitting layer;
- a dielectric layer formed on the light shielding layer;
- and
- a water repellent layer formed on the dielectric layer, wherein the transparent electrode layer of the contact light emitting device is deposited on the top surface of the TFT fingerprint input device and then the light emitting layer, the light shielding layer, a dielectric layer and the water repellent layer are sequentially deposited.
Dependencies are inferred from the claim text.