Information terminal with built-in fingerprint recognizer

• US 20020180585A1
• Filed: 06/13/2002
• Published: 12/05/2002
• Est. Priority Date: 12/18/1999
• Status: Abandoned Application

• Current Assignee: Nitgen & Company Company Limited (Union Community Company Limited)
• Original Assignee: Nitgen & Company Company Limited (Union Community Company Limited)
• Inventors: Kim, Jee-Hoon, Ko, Eung-Ryeol, Lee, Byung-Jin, Jung, Soon-Won, Lee, Hwi-Seok
• Application Number:
  US10/149,768
• Publication Number:
  US 20020180585A1
• Time in Patent Office: Days
• US Class Current: 340/5.53
• CPC Class Codes: G06V 40/1318 using electro-optical elements or layers, e.g. electroluminescent sensing
• CPC Class Codes: H04B 1/3833 Hand-held transceivers
• CPC Class Codes: H04M 1/66 with means for preventing unauthorised or fraudulent calling verifying user identity or authority in secret or secure digital communications H04L9/32
• CPC Class Codes: H04M 1/724 User interfaces specially adapted for cordless or mobile telephones

Abstract

Disclosed is an information terminal with a built-in fingerprint recognizer for verifying a user'"'"'s fingerprint and permitting the user to use the information terminal according to a verified result, wherein the information terminal comprises a liquid crystal display (LCD) with a backlight and a thin film transistor (TFT) fingerprint reader, which is incorporated with the LCD, for reading the user'"'"'s fingerprint, such that the portable phone is reduced in size thereof, it is easier to perform a fingerprint reading, and the external appearance becomes graceful.

Claims

1. An information terminal with a built-in fingerprint recognizer, which verifies a user'"'"'s fingerprint and permitting a user to use the information terminal according to the verified result, the information terminal comprising

a liquid crystal display (LCD) with a backlight, and

a thin film transistor (TFT) fingerprint reader, incorporated with the LCD for reading the user'"'"'s fingerprint.

2. The information terminal with a built-in fingerprint recognizer according to claim 1, wherein the TFT fingerprint reader comprises a TFT for sensor (sensor TFT) and a TFT for switching (switching TFT).

3. The information terminal with a built-in fingerprint recognizer according to claim 1, wherein the TFT fingerprint reader uses backlight of the LCD as a light source.

4. The information terminal with a built-in fingerprint recognizer according to claim 2, wherein the TFT fingerprint reader uses backlight of the LCD as a light source.

5. The information terminal with a built-in fingerprint recognizer according to claim 1, wherein the information terminal is a portable phone.

6. The information terminal with a built-in fingerprint recognizer according to claim 2, wherein the information terminal is a portable phone.

7. The information terminal with a built-in fingerprint recognizer according to claim 3, wherein the information terminal is a portable phone.

8. The information terminal with a built-in fingerprint recognizer according to claim 4, wherein the information terminal is a portable phone.

9. The information terminal with a built-in fingerprint recognizer according to claim 1, wherein the information terminal is a personal digital assistant (PDA).

10. The information terminal with a built-in fingerprint recognizer according to claim 2, wherein the information terminal is a personal digital assistant (PDA).

11. The information terminal with a built-in fingerprint recognizer according to claim 3, wherein the information terminal is a personal digital assistant (PDA).

12. The information terminal with a built-in fingerprint recognizer according to claim 4, wherein the information terminal is a personal digital assistant (PDA).