Heart rate detection method and apparatus fingerprint identification apparatus and mobile terminal

Patent metadata

Field	Value
Publication number	US-10360433-B2
Application number	US-201715655885-A
Country	US
Kind code	B2
Filing date	Jul 21, 2017
Priority date	Dec 31, 2015
Publication date	Jul 23, 2019
Grant date	Jul 23, 2019

Abstract

A fingerprint identification apparatus and a mobile terminal are disclosed. The fingerprint identification apparatus includes a fingerprint sensor and an optical module electrically connected to the fingerprint sensor. The optical module comprises an optical emitter, an optical circuit module and a photoelectric converter; wherein the optical circuit module is electrically connected to the optical emitter and the photoelectric converter respectively; the optical emitter is configured to emit an optical signal having a specific wavelength; the photoelectric converter is configured to receive the optical signal emitted by the optical emitter and subjected to a touch object, and convert the optical signal into an electric signal; and the optical circuit module is configured to drive and control the optical emitter, and analyze the electric signal.

First claim

What is claimed is:

1. A fingerprint identification apparatus, comprising:
a fingerprint sensor,
an optical module electrically connected to the fingerprint sensor, wherein the optical module comprises an optical emitter, an optical circuit module and a photoelectric converter; wherein the optical circuit module is electrically connected to the optical emitter and the photoelectric converter respectively, and
a light shading member disposed between the optical emitter and the photoelectric converter, wherein the light shading member is configured to block a light emitted by the optical emitter from directly irradiating the photoelectric converter, the light shading member is a light absorbing material adhered to or coated on a surface of a fingerprint chip; or a light absorbing ink or glue filled in a slot of the fingerprint chip;
wherein,
the optical emitter is configured to emit an optical signal having a specific wavelength;
the photoelectric converter is configured to receive the optical signal emitted by the optical emitter and subjected to a touch object, and convert the optical signal into an electric signal; and
the optical circuit module is configured to drive and control the optical emitter, and analyze the electric signal.

2. The fingerprint identification apparatus according to claim 1 , wherein the optical circuit module and the fingerprint sensor are integrated on the fingerprint chip.

3. The fingerprint identification apparatus according to claim 2 , wherein the fingerprint chip and the optical emitter are packaged together with the photoelectric converter to form a fingerprint package.

4. The fingerprint identification apparatus according claim 3 , further comprising a metal ring, wherein the fingerprint sensor and the optical module are both disposed inside the metal ring.

5. The fingerprint identification apparatus according to claim 2 , wherein the fingerprint chip is packaged together with the photoelectric converter to form a fingerprint package.

6. The fingerprint identification apparatus according to claim 5 , further comprising a metal ring; wherein
the fingerprint sensor and the optical module are both disposed inside the metal ring; or
the fingerprint sensor, the optical circuit module and the photoelectric converter are disposed inside the metal ring, while the optical emitter is disposed outside the metal ring.

7. The fingerprint identification apparatus according to claim 2 , wherein the fingerprint chip is independently packaged to form a fingerprint package.

8. The fingerprint identification apparatus according to claim 7 , further comprising a metal ring; wherein
the fingerprint sensor and the optical module are both disposed inside the metal ring; or
the fingerprint sensor, the optical circuit module and the photoelectric converter are disposed inside the metal ring, while the optical emitter is disposed outside the metal ring; or
the fingerprint sensor, the optical circuit module and the optical emitter are disposed inside the metal ring, while the photoelectric converter is disposed outside the metal ring; or
the fingerprint sensor and the optical circuit module are disposed inside the metal ring, while the photoelectric converter and the optical emitter are disposed outside the metal ring.

9. The fingerprint identification apparatus according to claim 1 , wherein the fingerprint sensor is independently integrated on the fingerprint chip, and the optical circuit module is electrically connected to the fingerprint sensor via a data interface.

10. The fingerprint identification apparatus according to claim 9 , wherein the fingerprint chip is independently packaged to form a fingerprint package.

11. The fingerprint identification apparatus according to claim 9 , wherein the fingerprint chip is packaged together with the optical module to form a fingerprint package.

12. The fingerprint identification apparatus according to claim 9 , wherein the fingerprint chip is packaged together with the optical circuit module to form a fingerprint package.

13. The fingerprint identification apparatus according to claim 1 , wherein the optical circuit module, the photoelectric converter and the fingerprint sensor are integrated on the fingerprint chip.

14. The fingerprint identification apparatus according to claim 13 , wherein the fingerprint chip is packaged together with the optical emitter to form a fingerprint package.

15. The fingerprint identification apparatus according claim 14 , further comprising a metal ring, wherein the fingerprint sensor and the optical module are both disposed inside the metal ring.

16. The fingerprint identification apparatus according to claim 13 , wherein the fingerprint chip is singly packaged to form a fingerprint package.

17. The fingerprint identification apparatus according to claim 16 , further comprising a metal ring; wherein
the fingerprint sensor and the optical module are both disposed inside the metal ring; or
the fingerprint sensor, the optical circuit module and the photoelectric converter are disposed inside the metal ring, while the optical emitter is disposed outside the metal ring.

18. A mobile terminal, comprising a fingerprint identification apparatus; wherein the fingerprint identification apparatus comprises:
a fingerprint sensor,
an optical module electrically connected to the fingerprint sensor; the optical module comprises an optical emitter, an optical circuit module and a photoelectric converter; the optical circuit module is electrically connected to the optical emitter and the photoelectric converter respectively, and
a light shading member disposed between the optical emitter and the photoelectric converter, wherein the light shading member is configured to block the light emitted by the optical emitter from directly irradiating the photoelectric converter, the light shading member is a light absorbing material adhered to or coated on a surface of a fingerprint chip; or a light absorbing ink or glue filled in a slot of the fingerprint chip;
wherein,
the optical emitter is configured to emit a first optical signal, and the optical signal is subjected to a touch object to form a second optical signal;
the photoelectric converter is configured to receive the second optical signal, and convert the second optical signal into an electric signal; and
the optical circuit module is configured to drive the optical emitter, and analyze the electric signal to determine whether the touch object is a live body.

Assignees

• Shenzhen Goodix Tech Co Ltd

Inventors

• Yang Wangwang
• He Yi
• Wang Yudong

Classifications

• G06F21/32

  using biometric data, e.g. fingerprints, iris scans or voiceprints · CPC title

• G06F2221/2133

  Verifying human interaction, e.g., Captcha · CPC title

• G06K9/0004

  Physics · mapped topic

• G06K9/00

  Physics · mapped topic

• H04W12/06 Primary

  Authentication · CPC title