System and method for identifying an individual

• US 8,437,510 B2
• Filed: 01/05/2010
• Issued: 05/07/2013
• Est. Priority Date: 04/18/2000
• Status: Expired due to Fees

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Yamazaki, Shunpei, Koyama, Jun, Yamazaki, Yu
• Primary Examiner(s): Bali, Vikkram
• Application Number:
  US12/652,341
• Publication Number:
  US 20100104147A1
• Time in Patent Office: 1,218 Days
• Field of Search: 382115-127, 356/71, 345/156, 345/173, 345/175, 340 58- 583
• US Class Current: 382/115
• CPC Class Codes: A61B 2560/0462 Apparatus with built-in sensors
• CPC Class Codes: A61B 5/1172 using fingerprinting
• CPC Class Codes: A61B 5/7246 using correlation, e.g. template matching or determination of similarity
• CPC Class Codes: A61B 5/7445 Display arrangements, e.g. multiple display units
• CPC Class Codes: G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints
• CPC Class Codes: G06Q 20/4014 Identity check for transactions
• CPC Class Codes: G06V 40/1306 non-optical, e.g. ultrasonic or capacitive sensing
• CPC Class Codes: G06V 40/1318 using electro-optical elements or layers, e.g. electroluminescent sensing
• CPC Class Codes: G07C 9/37 using biometric data, e.g. fingerprints, iris scans or voice recognition
• CPC Class Codes: H04M 1/72403 with means for local support of applications that increase the functionality

Abstract

The present invention provides a system for identifying an individual provided with a portable communication device. In a system for identifying an individual using a portable communication device with a display, the display is a sensor-incorporated display, the sensor-incorporated display reads the biological information of a user, and, based on the read information, identifies an individual.

Claims

1. A portable information device comprising:

a light emitting element for a pixel of a display device;

a sensor configured to read biological information of a user;

a flash memory configured to store reference biological information of the user; and

a circuit configured to make a judgment of legitimacy of the user by checking the read biological information with the reference biological information,

wherein the sensor comprises a photodiode,

wherein the photodiode comprises a semiconductor layer and a metal layer over the semiconductor layer,

wherein the semiconductor layer includes a first impurity region and a second impurity region, and

wherein a first edge of the metal layer is aligned with an edge of the first impurity region and a second edge of the metal layer is aligned with an edge of the second impurity region.

2. The portable information device according to claim 1, wherein each of the read biological information and the reference biological information is a palm pattern or a fingerprint.

3. The portable information device according to claim 2, wherein the palm pattern is a pattern of a part of a palm of the user.

4. The portable information device according to claim 1, wherein the sensor is incorporated in the pixel.

5. The portable information device according to claim 1,

wherein the first impurity region is a cathode,

wherein the second impurity region is an anode, and

wherein a photoelectric conversion layer is provided between the first impurity region and the second impurity region.

6. A portable information device comprising:

a light emitting element for a pixel of a display device;

a sensor configured to read biological information of a user by using light from the light emitting element;

a flash memory configured to store reference biological information of the user; and

a circuit configured to make a judgment of legitimacy of the user by checking the read biological information with the reference biological information,

wherein the sensor comprises a photodiode,

wherein the photodiode comprises a semiconductor layer and a metal layer over the semiconductor layer,

wherein the semiconductor layer includes a first impurity region and a second impurity region, and

wherein a first edge of the metal layer is aligned with an edge of the first impurity region and a second edge of the metal layer is aligned with an edge of the second impurity region.

7. The portable information device according to claim 6, wherein each of the read biological information and the reference biological information is a palm pattern or a fingerprint.

8. The portable information device according to claim 7, wherein the palm pattern is a pattern of a part of a palm of the user.

9. The portable information device according to claim 6, wherein the sensor is incorporated in the pixel.

10. The portable information device according to claim 6,

wherein the first impurity region is a cathode,

wherein the second impurity region is an anode, and

wherein a photoelectric conversion layer is provided between the first impurity region and the second impurity region.

11. A portable information device comprising:

a display device comprising a light emitting element over a first substrate;

a sensor configured to read biological information of a user;

a flash memory configured to store reference biological information of the user; and

a circuit configured to make a judgment of legitimacy of the user by checking the read biological information with the reference biological information,

wherein the sensor comprises a photodiode,

wherein the photodiode comprises a semiconductor layer and a metal layer over the semiconductor layer,

wherein the semiconductor layer includes a first impurity region and a second impurity region,

wherein a first edge of the metal layer is aligned with an edge of the first impurity region and a second edge of the metal layer is aligned with an edge of the second impurity region,

wherein a second substrate is provided over the first substrate,

wherein a first sealing material is provided between the first substrate and the second substrate, and

wherein a second sealing material is provided outside the first sealing material.

12. The portable information device according to claim 11, wherein each of the read biological information and the reference biological information is a palm pattern or a fingerprint.

13. The portable information device according to claim 12, wherein the palm pattern is a pattern of a part of a palm of the user.

14. The portable information device according to claim 11, wherein the sensor is provided over the first substrate.

15. The portable information device according to claim 11,

wherein the first impurity region is a cathode,

wherein the second impurity region is an anode, and

wherein a photoelectric conversion layer is provided between the first impurity region and the second impurity region.

16. A portable information device comprising:

a display device comprising a light emitting element over a first substrate;

a sensor configured to read biological information of a user by using light from the light emitting element;

a flash memory configured to store reference biological information of the user; and

a circuit configured to make a judgment of legitimacy of the user by checking the read biological information with the reference biological information,

wherein the sensor comprises a photodiode,

wherein the photodiode comprises a semiconductor layer and a metal layer over the semiconductor layer,

wherein the semiconductor layer includes a first impurity region and a second impurity region,

wherein a first edge of the metal layer is aligned with an edge of the first impurity region and a second edge of the metal layer is aligned with an edge of the second impurity region,

wherein a second substrate is provided over the first substrate,

wherein a first sealing material is provided between the first substrate and the second substrate, and

wherein a second sealing material is provided outside the first sealing material.

17. The portable information device according to claim 16, wherein each of the read biological information and the reference biological information is a palm pattern or a fingerprint.

18. The portable information device according to claim 17, wherein the palm pattern is a pattern of a part of a palm of the user.

19. The portable information device according to claim 16, wherein the sensor is provided over the first substrate.

20. The portable information device according to claim 16,

wherein the first impurity region is a cathode,

wherein the second impurity region is an anode, and

wherein a photoelectric conversion layer is provided between the first impurity region and the second impurity region.