Image capture apparatus

• US 10,460,146 B2
• Filed: 03/28/2017
• Issued: 10/29/2019
• Est. Priority Date: 07/17/2016
• Status: Expired due to Fees

• Current Assignee: Gingy Technology Inc.
• Original Assignee: Gingy Technology Inc.
• Inventors: Hung, Chun-Lang, Chen, Tsung-Shan
• Primary Examiner(s): Mariam, Daniel G
• Application Number:
  US15/470,942
• Publication Number:
  US 20180018496A1
• Time in Patent Office: 945 Days
• Field of Search: 382124-127
• CPC Class Codes: G06V 40/1318 using electro-optical elements or layers, e.g. electroluminescent sensing
• CPC Class Codes: G06V 40/1324 by using geometrical optics, e.g. using prisms G06V40/1312 takes precedence
• CPC Class Codes: G06V 40/1359 Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop
• CPC Class Codes: G06V 40/1365 Matching; Classification
• CPC Class Codes: G06V 40/14 Vascular patterns
• CPC Class Codes: G06V 40/40 Spoof detection, e.g. liveness detection

Abstract

An image capture apparatus includes an imaging unit and a light receiving device is provided. The imaging unit includes an electrode, a light emitting layer disposed on the electrode and a first dielectric layer disposed on the light emitting layer. At least one portion of an object is in contact with a portion of the first dielectric layer so that the light emitting layer emits an image light beam correspond to the portion of the first dielectric layer. The light receiving device is disposed on a transmission path of the image light beam.

Claims

1. An image capture apparatus, comprising:

an imaging unit, comprising;

an electrode;

a light emitting layer, disposed on the electrode; and

a dielectric layer, disposed on the light emitting layer;

a light receiving device, wherein at least a portion of an object is in contact with a portion of the dielectric layer so that the light emitting layer emits an image light beam corresponding to the portion of the dielectric layer, and the light receiving device is disposed on a transmission path of the image light beam;

a conductive element, disposed on the dielectric layer of the imaging unit and having an opening exposing the dielectric layer, wherein a power supply is electrically connected with the conductive element, and the object is electrically connected with the power supply via the conductive element; and

an indicating unit, disposed on the imaging unit, comprising;

a first conductive pattern;

a first dielectric pattern;

a light emitting pattern;

a second dielectric pattern;

a second conductive pattern; and

an insulation pattern, wherein the first conductive pattern, the first dielectric pattern, the light emitting pattern, the second dielectric pattern, the second conductive pattern and the insulation pattern are stacked sequentially in a direction away from the imaging unit.

2. The image capture apparatus according to claim 1, further comprising:

an excitation source, outputting an energy to the electrode of the imaging unit and the object, wherein the energy enables the light emitting layer to emit light.

3. The image capture apparatus according to claim 2, wherein the excitation source is the power supply and electrically connected with the electrode of the imaging unit and the object.

4. The image capture apparatus according to claim 3, further comprising:

a conductive element, integrated in the dielectric layer of the imaging unit, and having a sensor region for contacting the object, wherein the power supply is electrically connected with the conductive element, and the object is electrically connected with the power supply via the conductive element.

5. The image capture apparatus according to claim 1, wherein the imaging unit further comprises:

a second dielectric layer, disposed between the light emitting layer and the electrode.

6. The image capture apparatus according to claim 1, further comprising:

a lens, disposed between the imaging unit and the light receiving device, wherein the image light beam passes through the lens to form an image on a light receiving surface of the light receiving device.

7. The image capture apparatus according to claim 1, further comprising:

a prism, wherein the imaging unit is disposed on the prism, and the prism deflects the image light beam so that the image light beam is transmitted to a light receiving surface of the light receiving device.

8. The image capture apparatus according to claim 1, wherein the imaging unit is directly disposed on the light receiving device to be in contact with the light receiving device.

9. The image capture apparatus according to claim 1, further comprising:

a light guide layer, covering a light receiving surface of the light receiving device, wherein the imaging unit is disposed on the light guide layer.

10. The image capture apparatus according to claim 1, further comprising:

a reflective element, disposed to incline with respect to the imaging unit, reflecting the image light beam so that the image light beam is transmitted to a light receiving surface of the light receiving device.

11. The image capture apparatus according to claim 1, wherein the dielectric layer comprises a surface hard-coating layer.

12. The image capture apparatus according to claim 1, wherein the imaging unit further comprises:

a second dielectric layer, disposed between the light emitting layer and the electrode, wherein a hardness of the dielectric layer is greater than a hardness of the second dielectric layer.

13. The image capture apparatus according to claim 1, wherein the light emitting layer is a mixed layer of a light emitting material and a dielectric material.

14. An image capture apparatus, used to capture an image of an object, comprising:

an imaging unit, comprising;

a transparent substrate, carrying at least an electrode;

a light emitting layer, disposed on the electrode; and

a dielectric layer, disposed on the light emitting layer;

a light receiving device, wherein at least one portion of the object is in contact with a portion of the dielectric layer so that the light emitting layer emits an image light beam corresponding to the portion of the dielectric layer, and the light receiving device is disposed on a transmission path of the image light beam;

a conductive element, disposed on the dielectric layer of the imaging unit to define at least one non-image capture region of the dielectric layer not in contact with the at least one portion of the object;

an excitation source, electrically connected between the conductive element and the electrode; and

an indicating unit, disposed on the imaging unit, the indicating unit comprising;

a first conductive pattern;

a first dielectric pattern;

a light emitting pattern;

a second dielectric pattern;

a second conductive pattern; and

an insulation pattern, wherein the first conductive pattern, the first dielectric pattern, the light emitting pattern, the second dielectric pattern, the second conductive pattern and the insulation pattern are stacked sequentially in a direction away from the imaging unit.

15. The image capture apparatus according to claim 14, wherein the imaging unit further comprises:

a second dielectric layer, disposed between the light emitting layer and the electrode.

16. The image capture apparatus according to claim 14, further comprising:

a lens, disposed between the imaging unit and the light receiving device, wherein the image light beam passes through the lens to form an image on a light receiving surface of the light receiving device.

17. The image capture apparatus according to claim 14, further comprising:

a prism, wherein the imaging unit is disposed on the prism, and the prism deflects the image light beam so that the image light beam is transmitted to a light receiving surface of the light receiving device.

18. The image capture apparatus according to claim 14, wherein the imaging unit is directly disposed on the light receiving device to be in contact with the light receiving device.

19. The image capture apparatus according to claim 14, further comprising:

a light guide layer, covering a light receiving surface of the light receiving device, wherein the imaging unit is disposed on the light guide layer.

20. The image capture apparatus according to claim 14, further comprising:

a reflective element, disposed to incline with respect to the imaging unit, reflecting the image light beam so that the image light beam is transmitted to a light receiving surface of the light receiving device.

21. The image capture apparatus according to claim 14, wherein the dielectric layer comprises a surface hard-coating layer.

22. The image capture apparatus according to claim 14, the imaging unit further comprising:

a second dielectric layer, disposed between the light emitting layer and the electrode, wherein a hardness of the dielectric layer is greater than a hardness of the second dielectric layer.

23. The image capture apparatus according to claim 14, wherein the light emitting layer is a mixed layer of a light emitting material and a dielectric material.