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KR100349415B1 - Integrated Circuit Card - Google Patents

Integrated Circuit Card Download PDF

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Publication number
KR100349415B1
KR100349415B1 KR1020000001498A KR20000001498A KR100349415B1 KR 100349415 B1 KR100349415 B1 KR 100349415B1 KR 1020000001498 A KR1020000001498 A KR 1020000001498A KR 20000001498 A KR20000001498 A KR 20000001498A KR 100349415 B1 KR100349415 B1 KR 100349415B1
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card
light emitting
fingerprint
fingerprint sensor
contact
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KR20010073263A (en
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이주현
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테스텍 주식회사
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147Details of sensors, e.g. sensor lenses

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

본 발명은 지문 인식센서가 내장된 IC 카드에 관한 것이다. 본 발명의 IC 카드는 IC 카드의 기판 소정부위에 지문 인식센서를 설치하고, 지문 인식센서에 적어도 한 개 이상의 접촉 패드를 연결하는 점에 있다. 그리고, 지문 인식센서는 CMOS 이미지 센서상에 접촉 발광소자를 직접 박막형태로 부착하여 형성하게 된다. 또한, 접촉 발광소자는 교류 전원의 한 단자가 접속되는 투명전극층과, 투명전극층위에 형성되어 접지를 형성하는 물체의 접촉시 교류전원의 한 단자가 접속된 투명전극층과 접촉된 물체와의 사이에 전계가 형성되며, 이 전계에 의해 발광하여 접촉면의 표면 패턴과 같은 광이미지를 발생하는 발광층과, 발광층의 상부에 형성되는 유전층과; 광촉매 물질분말과 폴리머 바인더로 이루어진 내오염성막으로 이루어진다.The present invention relates to an IC card in which a fingerprint sensor is incorporated. In the IC card of the present invention, a fingerprint sensor is provided at a predetermined portion of a substrate of the IC card, and at least one contact pad is connected to the fingerprint sensor. The fingerprint sensor is formed by directly attaching the contact light emitting device on the CMOS image sensor in the form of a thin film. In addition, the contact light emitting device has an electric field between a transparent electrode layer to which one terminal of an AC power supply is connected and an object contacted with a transparent electrode layer to which one terminal of an AC power supply is connected when an object is formed on the transparent electrode layer to form a ground. A light emitting layer which emits light by this electric field and generates an optical image such as a surface pattern of the contact surface, and a dielectric layer formed on the light emitting layer; It consists of a fouling resistant film which consists of a photocatalytic material powder and a polymer binder.

Description

아이씨 카드{Integrated Circuit Card}IC Card {Integrated Circuit Card}

본 발명은 IC(Integrated Circuit)카드에 관한 것으로, 더욱 상세하게는 접촉발광소자와 CMOS(Complementary metal-oxide semiconductor) 이미지 센서로 이루어진 지문 인식센서를 내장하는 IC 카드에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated circuit (IC) card, and more particularly, to an IC card incorporating a fingerprint sensor comprising a contact light emitting device and a CMOS (Complementary Metal-oxide Semiconductor) image sensor.

최근, 전자상거래나 전자 뱅킹이 실용화되면서 기억용량이 적은 마그네틱 카드 보다 더 많은 정보를 저장할 수 있는 CPU를 내장한 IC 카드가 주목되고 있다. 일반적으로, IC 카드(10)는 도 1에 도시된 바와 같이, 플라스틱 기판(8)상의 소정부위에 IC 칩(4)을 설치하고, 상기 IC 칩(4)에 접촉 패드(6)를 연결하게 된다.Recently, with the commercialization of electronic commerce and electronic banking, an IC card with a built-in CPU capable of storing more information than a magnetic card having a low memory capacity has been attracting attention. In general, as shown in FIG. 1, the IC card 10 is provided with an IC chip 4 at a predetermined position on the plastic substrate 8, and a contact pad 6 connected to the IC chip 4. FIG. do.

그러나, 상기와 같이 구성된 종래의 IC 카드(10)는 전자상거래나 전자 뱅킹에서 결재수단으로 널리 이용되고는 있지만 그 한계가 있다. 즉, IC 카드(10)가 자체적으로 보안기능을 할 수 없기 때문이다.However, although the conventional IC card 10 configured as described above is widely used as a payment means in electronic commerce or electronic banking, there is a limitation. That is, the IC card 10 cannot perform a security function on its own.

따라서, 본 발명의 목적은 사용자의 지문 정보를 저장하고, 이를 입력되는 지문정보와 카드리더에 의해 간단히 비교할 수 있는 지문 인식센서가 내장된 IC 카드를 제공하는 점에 있다.Accordingly, an object of the present invention is to provide an IC card with a fingerprint sensor which stores fingerprint information of a user and can easily compare the fingerprint information with a card reader.

본 발명의 다른 목적은 IC 카드에 저장된 데이터를 갖는 사람이 사용하지 않을 경우 그 데이터를 IC 칩에 저장하여 사용자를 추적할 수 있게 구성된 지문 인식센서가 내장된 IC 카드를 제공하는 점에 있다.Another object of the present invention is to provide an IC card with a fingerprint sensor configured to track a user by storing the data in an IC chip when a person having data stored in the IC card is not used.

도 1은 종래의 지문 IC 카드의 개략도,1 is a schematic diagram of a conventional fingerprint IC card,

도 2는 본 발명의 IC 카드를 나타낸 평면도,2 is a plan view showing an IC card of the present invention;

도 3은 본 발명의 요부인 지문 인식센서의 단면도,3 is a sectional view of a fingerprint recognition sensor which is an essential part of the present invention;

도 4는 지문 인식센서에서 접촉 발광소자를 구체적으로 나타낸 단면도.4 is a cross-sectional view showing in detail the touch light emitting device in the fingerprint sensor.

<도면중 주요부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

20 : IC 카드 24 : IC 칩20: IC card 24: IC chip

26,29 : 접촉 패드 30 : CMOS 이미지 센서26,29: contact pad 30: CMOS image sensor

32 : 투명 전극층 34 : 발광층32: transparent electrode layer 34: light emitting layer

36 : 유전층 38 : 내오염성막36: dielectric layer 38: fouling resistant film

40 : 접촉 발광소자 50 : 지문 인식센서40: contact light emitting device 50: fingerprint recognition sensor

상기 목적을 달성하기 위하여 본 발명은 IC 카드의 일측에 소정의 데이터를 저장할 수 있는 IC 칩을 설치하고, 그 타측 소정부위에 지문 인식센서를 설치하며, 상기 IC 칩 및 지문 인식센서에 각기 적어도 한 개 이상의 접촉 패드를 연결 설치하는 것을 특징으로 하는 IC 카드를 제공한다.In order to achieve the above object, the present invention provides an IC chip capable of storing predetermined data on one side of an IC card, and installs a fingerprint sensor on the other predetermined portion thereof, and at least one of the IC chip and the fingerprint sensor, respectively. An IC card is provided which connects and installs two or more contact pads.

또한 상기 IC 칩은 IC 칩에 저장된 지문과 지문 인식센서에서 취득한 지문이서로 다를 경우에는 그 데이터를 저장할 수 있게 구성된다.In addition, the IC chip is configured to store data when the fingerprint stored in the IC chip and the fingerprint acquired by the fingerprint recognition sensor are different from each other.

또한 상기 지문 인식센서는 CMOS 이미지 센서상에 접촉 발광소자가 형성된다.In addition, the fingerprint recognition sensor is a contact light emitting device is formed on the CMOS image sensor.

이 경우 상기 접촉 발광소자는 교류 전원의 한 단자가 접속되는 투명전극층과; 상기 투명전극층위에 형성되어 접지를 형성하는 물체의 접촉시 교류전원의 한 단자가 접속된 투명전극층과 접촉된 물체와의 사이에 전계가 형성되며, 이 전계에 의해 발광하여 접촉면의 표면 패턴과 같은 광이미지를 발생하는 발광층과; 상기 발광층의 상부에 형성되는 유전층과; 광촉매 물질분말과 폴리머 바인더로 이루어진 내오염성막으로 이루어진다.In this case, the touch light emitting device includes a transparent electrode layer to which one terminal of an AC power source is connected; When an object is formed on the transparent electrode layer to form a ground, an electric field is formed between the transparent electrode layer connected to one terminal of an AC power source and the object in contact with the light. A light emitting layer generating an image; A dielectric layer formed on the light emitting layer; It consists of a fouling resistant film which consists of a photocatalytic material powder and a polymer binder.

또한 상기 지문 인식센서의 접촉 패드는 IC 카드가 카드리더에 삽입되는 쪽으로 설치되는 것을 특징으로 한다.In addition, the contact pad of the fingerprint sensor is characterized in that the IC card is installed to the side inserted into the card reader.

이하, 본 발명의 일실시예에 따른 IC 카드에 대하여 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, an IC card according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 IC 카드(20)는 도 2에 도시된 바와 같이, 기판(28)의 소정 부위에 종래의 IC 카드와 마찬가지로 IC 칩(24)이 설치되고, 상기 IC 칩(24)에는 접촉 패드(26)가 연결된다. 그리고, 상기 IC 칩(24)의 타측에 지문 인식센서(50)를 설치하고, 상기 지문 인식센서(50)는 적어도 한 개 이상의 접촉 패드(29)에 연결되게 된다.In the IC card 20 of the present invention, as shown in FIG. 2, an IC chip 24 is provided on a predetermined portion of the substrate 28, similar to a conventional IC card, and the IC chip 24 has a contact pad ( 26) is connected. In addition, a fingerprint recognition sensor 50 is installed on the other side of the IC chip 24, and the fingerprint recognition sensor 50 is connected to at least one or more contact pads 29.

상기 지문 인식센서(50)는 도 3에 도시된 바와 같이, CMOS 이미지 센서(30)와 접촉 발광소자(40)로 이루어지고, 상기 CMOS 이미지 센서(30)와 접촉발광소자(40)는 긴밀하게 부착되게 형성되어 있다.As shown in FIG. 3, the fingerprint recognition sensor 50 includes a CMOS image sensor 30 and a contact light emitting device 40, and the CMOS image sensor 30 and the contact light emitting device 40 are closely connected. It is formed to be attached.

한편, 상기 접촉 발광소자(40)는 교류 전원의 한 단자가 접속되는 투명전극층(32)과, 상기 투명전극층(32)위에 형성되어 접지를 형성하는 물체의 접촉시 교류전원의 한 단자가 접속된 투명전극층(32)과 접촉된 물체와의 사이에 전계가 형성되며, 이 전계에 의해 발광하여 접촉면의 표면 패턴과 같은 광이미지를 발생하는 발광층(34)과, 상기 발광층(34)의 상부에 형성되는 유전층(36)과; 광촉매 물질분말과 폴리머 바인더로 이루어진 내오염성막(38)로 이루어진다. 상기 투명전극층(32)은 ITO(Indium Tin Oxide)로 형성되며, 도시되지 않은 교류전원의 한 단자와 접속된다. 그리고, 상기 발광층(34)은 유전성 폴리머와 도펀트가 도핑된 발광체 분말로 형성된다. 또한, 상기 발광층(34)은 무기재질인 흑색안료를 첨가하여 발광이미지의 콘트라스트를 증가시키고 BaTiO3를 첨가하여 발광휘도를 증가시킨다. 상기 발광층의 상부에 설치된 유전층(36)은 접촉 발광소자(40)의 캐패시턴스(Capacitance)를 증가시킬 수 있으며, 캐패시턴스의 증가에 비례하여 발광 휘도를 증가시키게 된다.On the other hand, the contact light emitting device 40 has a transparent electrode layer 32 connected to one terminal of the AC power supply and one terminal of the AC power supply connected to an object formed on the transparent electrode layer 32 to form a ground. An electric field is formed between the transparent electrode layer 32 and the object in contact with the light emitting layer 34. The light emitting layer 34 emits light by the electric field and generates an optical image such as a surface pattern of the contact surface. A dielectric layer 36; And a fouling resistant film 38 made of a photocatalyst material powder and a polymer binder. The transparent electrode layer 32 is formed of indium tin oxide (ITO) and is connected to one terminal of an AC power source (not shown). In addition, the light emitting layer 34 is formed of a light emitting powder doped with a dielectric polymer and a dopant. In addition, the light emitting layer 34 increases the contrast of the light emitting image by adding black pigment, which is an inorganic material, and increases the light emission luminance by adding BaTiO 3 . The dielectric layer 36 disposed on the emission layer may increase the capacitance of the contact light emitting device 40, and increase the emission luminance in proportion to the increase in the capacitance.

한편, 상기 접촉 발광소자(40)는 가능한 1mm 이하의 박형으로 제조하여 IC 카드(20)내에 충분히 내장할 수 있도록 구성하게 된다.On the other hand, the contact light emitting device 40 is made to be as thin as possible to 1mm or less so that the IC card 20 can be sufficiently embedded.

이와 같이 구성된 본 발명의 IC 카드(20)를 카드리더(도시되지는 않았지만 일종의 단말기임)에 삽입하게 되면, 카드리더에서 지문 인식센서(50)에서 입력된 지문정보와 IC 칩(24)에 저장된 지문정보를 비교해서 IC 카드(20)의 소유자가 본인 인지를 먼저 확인하고, 본인의 지문일 경우에는 전자결재를 하게 되고 본인의 지문이 아닌 경우에는 전자결재를 거부하게 된다.When the IC card 20 of the present invention configured as described above is inserted into a card reader (not shown, but a kind of terminal), the fingerprint information stored in the fingerprint reader 50 and the IC chip 24 stored in the card reader are stored. By comparing fingerprint information, the owner of the IC card 20 first checks whether the user is the user, and if the user's fingerprint is an electronic payment, and if the fingerprint is not his own, the electronic payment is rejected.

상기 지문 인식센서(50)에서 취득한 지문이 본인의 지문이 아닌 경우에는 이 데이터를 IC 칩(24)에 저장하여 소정기간 저장하게 된다. 즉, 도난시에 이를 사용하는 사람을 IC 카드(20)만 찾게 되면 충분히 사용자의 지문으로 사용자를 추적할 수 있게되어 있다.When the fingerprint acquired by the fingerprint recognition sensor 50 is not the fingerprint of the person, the data is stored in the IC chip 24 and stored for a predetermined period of time. That is, if only the IC card 20 is found for a person who uses it during theft, the user can be sufficiently tracked by the user's fingerprint.

한편, 본 발명의 IC 카드(10)에서, 지문 인식센서(50)의 접촉 패드(29)는 IC 카드(20)가 카드리더에 삽입되는 쪽으로 배치되므로 지문을 지문 인식센서(50)에 접촉한 채로 IC 카드(20)를 잡고 카드리더에 지문 인식센서(50)의 접촉패드(29) 까지만 삽입함으로서 동작하게 되므로 그 사용이 매우 편리하게 구성되어 있다.On the other hand, in the IC card 10 of the present invention, since the contact pad 29 of the fingerprint recognition sensor 50 is disposed toward the side where the IC card 20 is inserted into the card reader, the fingerprint pad 50 may be contacted with the fingerprint recognition sensor 50. It is operated by holding the IC card 20 and inserting only the contact pad 29 of the fingerprint sensor 50 into the card reader.

상기와 같이 구성된 본 발명의 IC 카드는 카드를 소유한 사람만이 사용하게 되므로 지문 인식센서의 표면 오염을 방지할 수 있고 이로 인해 카드 리더의 오동작을 방지할 수 있으며, 또한 지문 인식센서가 외부로 노출되지 않으므로 카드 리더의 보수 유지비를 줄일 수 있고 아울러, 무인 편의시설의 경비를 절감할 수 있는 이점이 있다.Since the IC card of the present invention configured as described above is used only by the person who owns the card, it is possible to prevent surface contamination of the fingerprint recognition sensor, thereby preventing the malfunction of the card reader, and the fingerprint recognition sensor to the outside. Since it is not exposed, the maintenance cost of the card reader can be reduced, and the cost of unmanned convenience facilities can be reduced.

Claims (5)

IC 카드의 일측에 설치되며, 소정의 데이터를 저장할 수 있는 IC 칩과; 투명전극층과, 발광층과, 유전층으로 구성되며, 지문을 인식하기 위한 지문 인식센서와; 접촉패드로 이루어진 IC 카드에 있어서,An IC chip installed at one side of the IC card and capable of storing predetermined data; A fingerprint sensor configured to include a transparent electrode layer, a light emitting layer, and a dielectric layer; In the IC card consisting of a contact pad, 상기 IC 칩은 IC 칩에 저장된 지문과 지문 인식센서에서 취득한 지문이 서로 다를 경우에도 그 데이터를 저장할 수 있게 구성되며, 상기 지문 인식센서는 상기 유전층의 상부에 광촉매 물질과 폴리머 바인더로 이루어진 내오염성막을 더 구비하며 CMOS 이미지 센서상에 접촉발광소자가 형성되며, 상기 접촉패드는 상기 IC 칩 및 지문 인식센서에 각기 적어도 한 개 이상이 연결되며, IC 카드리더에 삽입되는 쪽으로 설치되는 것을 특징으로 하는 IC 카드.The IC chip is configured to store data even when the fingerprint stored in the IC chip and the fingerprint acquired from the fingerprint sensor are different from each other. The fingerprint sensor is a fouling resistant film made of a photocatalytic material and a polymer binder on the dielectric layer. Further comprising a contact light emitting device is formed on the CMOS image sensor, wherein the contact pad is connected to at least one of the IC chip and the fingerprint sensor, respectively, characterized in that the installation side is inserted into the IC card reader IC card. 삭제delete 삭제delete 삭제delete 삭제delete
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