IMAGE CAPTURE APPARATUS

• US 20180293452A1
• Filed: 06/14/2018
• Published: 10/11/2018
• Est. Priority Date: 12/11/2015
• Status: Active Grant

• Current Assignee: Gingy Technology Inc.
• Original Assignee: Gingy Technology Inc.
• Inventors: CHUNG, WEI-CHUN, WU, JEN-CHIEH
• Granted Patent: US 10,198,650 B2
• Time in Patent Office: Days
• CPC Class Codes: G06V 10/141 Control of illumination
• CPC Class Codes: G06V 10/147 Details of sensors, e.g. sensor lenses fingerprint or palmprint sensors G06V40/13; vascular sensors G06V40/145; eye sensors G06V40/19
• CPC Class Codes: G06V 40/1318 using electro-optical elements or layers, e.g. electroluminescent sensing
• CPC Class Codes: G06V 40/145 Sensors therefor
• CPC Class Codes: G06V 40/166 using acquisition arrangements
• CPC Class Codes: H04N 23/55 Optical parts specially adapted for electronic image sensors; Mounting thereof

Abstract

An image capture apparatus is provided. The image capture apparatus includes a transparent cover, an image capture device, and a luminous flux adjusting device disposed therebetween. The image capture device includes a plurality of sensor regions, each of which has a maximum length in a first direction and a maximum width in a second direction. The luminous flux adjusting device includes a absorbing element having a transparent pattern including a plurality of repeatedly arranged basic patterns. Each of the basic patterns includes a plurality of transparent regions arranged according to a geometric shape. The geometric shape has a side parallel to the first direction, and a length of the side is less than or equal to the maximum length of the sensor region. The geometric shape has a height in the second direction less than or equal to the maximum width of the sensor region.

Claims

1. An image capture apparatus, comprising:

a transparent cover having a surface in contact with an environmental medium;

an image capture device, disposed at a side of the transparent cover opposite to the surface, wherein the image capture device includes a plurality of sensor regions, and each of the sensor regions has a maximum length in a first direction and a maximum width in a second direction; and

a luminous flux adjusting device, disposed between the transparent cover and the image capture device, wherein the luminous flux adjusting device includes at least one absorbing element defining a transparent pattern;

wherein, the transparent pattern includes a plurality of basic patterns which are repeatedly arranged, each of the basic patterns includes a plurality of transparent regions which are arranged according to a geometric shape, the geometric shape has a side parallel to the first direction, and a length of the side is less than or equal to the maximum length of the sensor region, and the geometric shape has a height vertical to the side and less than or equal to the maximum width of the sensor region.

2. The image capture apparatus according to claim 1, wherein the geometric shape is a quadrilateral, each of the basic patterns includes four of the transparent regions and the four transparent regions are respectively located at vertexes of the quadrilateral.

3. The image capture apparatus according to claim 2, wherein the quadrilateral is a square, a rectangle, a parallelogram or a rhombus.

4. The image capture apparatus according to claim 1, wherein the geometric shape is a triangle, each of the basic patterns includes three of the transparent regions, and the three transparent regions are respectively located at vertexes of the triangle.

5. The image capture apparatus according to claim 4, wherein the triangle is an isosceles triangle, a right triangle, or an equilateral triangle.

6. The image capture apparatus according to claim 4, wherein six of the triangles are arranged to form a hexagon, at least one of the transparent regions is located at a center position of the hexagon, and at least six of the transparent regions are respectively located at six vertexes of the hexagon.

7. The image capture apparatus according to claim 1, wherein the length of the side and the maximum length of the sensor region satisfy the following relation:

n1×

S1=L1, where n1 is a positive integer, S1 is the length of the side, and L1 is the maximum length of the sensor region.

8. The image capture apparatus according to claim 1, wherein the height of the side and the maximum width of the sensor region satisfy the following relation:

n2×

H1=W1, where n2 is a positive integer, H1 is the height of the side, and W1 is the maximum width of the sensor region.

9. The image capture apparatus according to claim 1, wherein the luminous flux adjusting device further includes an another absorbing element, and a transparent pattern of the another absorbing element and the transparent pattern of the absorbing element match and correspond to each other, to form a plurality of light tunnels.

10. The image capture apparatus according to claim 1, wherein the luminous flux adjusting device further includes an another absorbing element, and a transparent pattern of the another absorbing element and the transparent pattern of the absorbing element partially overlap in a normal direction vertical to the surface, to form a plurality of inclined light tunnels.

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

a display panel disposed between the transparent cover and the luminous flux adjusting device, the display panel at least including an organic light emitting diode layer.

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

a band pass filter layer disposed between the luminous flux adjusting device and the image capture device.

13. An image capture apparatus, comprising:

a transparent cover having a surface in contact with an environmental medium;

an image capture device disposed at a side of the transparent cover opposite to the surface, wherein the image capture device includes a plurality of sensor regions, each of the sensor regions has a maximum length in a first direction and a maximum width in a second direction; and

a luminous flux adjusting device, disposed between the transparent cover and the image capture device, wherein the luminous flux adjusting device includes at least one absorbing element having a transparent pattern;

wherein, the transparent pattern includes a plurality of basic patterns which are repeatedly arranged, each of the basic patterns includes a plurality of transparent regions which are arranged according to a hexagon shape, one of the transparent regions is located at a center position of the hexagon, and the other transparent regions are respectively located at six vertexes of the hexagon;

wherein a distance between the center position and any of the vertexes of the hexagon is less than or equal to the maximum length of the sensor region, and a distance between the center and one of the sides of the hexagon is less than or equal to the maximum width of the sensor region.

14. The image capture apparatus according to claim 13, wherein the hexagon is a regular hexagon, and the distance between the center position and any of the vertexes is less than the maximum width of the sensor region.

15. The image capture apparatus according to claim 13, further comprising:

a display panel disposed between the transparent cover and the luminous flux adjusting device, the display panel at least including an organic light emitting diode layer.

16. The image capture apparatus according to claim 13, further comprising:

a band pass filter layer disposed between the luminous flux adjusting device and the image capture device.

17. An image capture apparatus, comprising:

a transparent cover having a surface in contact with an environmental medium;

an image capture device disposed at a side of the transparent cover opposite to the surface, wherein the image capture device includes a plurality of sensor regions, each of which has a maximum length in a first direction and a maximum width in a second direction; and

a luminous flux adjusting device disposed between the transparent cover and the image capture device, wherein the luminous flux adjusting device includes at least one absorbing element having a transparent pattern;

wherein the transparent pattern includes a plurality of transparent regions which are arranged along a plurality of X-axes and a plurality of Y-axes, the plurality of the X-axes and the plurality of the Y-axes intersect each other at a plurality of intersection points, the plurality of the transparent regions are respectively located at at least a part of the plurality of the intersection points, a distance between two intersection points, at which two adjacent transparent regions being arranged on the same Y-axis are respectively positioned, is less than or equal to the maximum length of the sensor region, and a distance between two adjacent Y-axes is less than or equal to the maximum width of the sensor region.

18. The image capture apparatus according to claim 17, wherein the plurality of the transparent regions are divided into a plurality of first transparent regions and a plurality of second transparent regions, the plurality of the Y-axes are divided into a plurality of first Y-axes and a plurality of second Y-axes, the plurality of the first Y-axes and the plurality of the second Y-axes are alternately arranged, the plurality of the first transparent regions are arranged in multiple columns along the plurality of the first Y-axes, the plurality of the second transparent regions are arranged in multiple columns along the plurality of the second Y-axes, and two adjacent first transparent region and second transparent region are offset from each other.

19. The image capture apparatus according to claim 18, wherein the plurality of the X-axes are divided into a plurality of first X-axes and a plurality of second X-axes, the plurality of the first X-axes and the plurality of the second X-axes are arranged alternately, the plurality of the first transparent regions are respectively disposed at the plurality of the intersection points of the plurality of the first X-axes and the plurality of the first Y-axes, the plurality of the second transparent regions are respectively disposed at the plurality of the intersection points of the plurality of the second X-axes and the plurality of the second Y-axes, and the distances between any two adjacent first X-axis and second X-axis are the same.

20. The image capture apparatus according to claim 18, wherein the plurality of the X-axes are divided into a plurality of first X-axes and a plurality of second X-axes, the plurality of the first X-axes and the plurality of the second X-axes are arranged alternately, the plurality of the first transparent regions are respectively disposed at the plurality of the intersection points of the plurality of the first X-axes and the plurality of the first Y-axes, the plurality of the second transparent regions are respectively disposed at the plurality of the intersection points of the plurality of the second X-axes and the plurality of the Y-axes, and a distance between the first X-axis and one of the adjacent second X-axes is different from a distance between the first X-axis and the another adjacent second X-axis.

21. The image capture apparatus according to claim 17, wherein the plurality of the transparent regions are divided into a plurality of first transparent regions and a plurality of second transparent regions, the plurality of the Y-axes are divided into a plurality of first Y-axes and a plurality of second Y-axes, the plurality of the first Y-axes and the plurality of the second Y-axes are alternately arranged, the plurality of the first transparent regions are arranged in multiple columns along the plurality of the first Y-axes, the plurality of the second transparent regions are arranged in multiple columns along the plurality of the second Y-axes, and two adjacent first transparent region and the second transparent region are aligned with each other along the same X-axis.

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

a display panel located between the transparent cover and the luminous flux adjusting device, the display panel at least including an organic light emitting diode layer.

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

a band pass filter layer located between the luminous flux adjusting device and the image capture device.

24. The image capture apparatus according to claim 23, further comprising:

a luminous element for providing a light beam projected to the transparent cover, wherein the band pass filter layer has a transmittance of the light beam greater than 80%.