Scanning imaging part, scanning imaging device, and electronic apparatus

• US 10,705,622 B2
• Filed: 06/03/2019
• Issued: 07/07/2020
• Est. Priority Date: 06/04/2018
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Jia, Yuhu
• Primary Examiner(s): Chow, Van N
• Application Number:
  US16/429,753
• Publication Number:
  US 20190369743A1
• Time in Patent Office: 400 Days
• CPC Class Codes: G02B 26/004 based on a displacement or a deformation of a fluid
• CPC Class Codes: G02B 26/02 for controlling the intensity of light G02B26/004 takes precedence
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: H04N 1/00931 Synchronising different operations or sub-apparatus, e.g. controlling on-times taking into account different warm-up times
• CPC Class Codes: H04N 1/00997 Light control, e.g. shielding from ambient light or preventing light leakage
• CPC Class Codes: H04N 1/0281 with means for collecting light from a line or an area of the original and for guiding it to only one or a relatively low number of picture element detectors
• CPC Class Codes: H04N 1/0311 using an array of elements to project the scanned image elements onto the photodetectors H04N1/0318 takes precedence
• CPC Class Codes: H04N 1/0318 Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
• CPC Class Codes: H04N 23/55 Optical parts specially adapted for electronic image sensors; Mounting thereof
• CPC Class Codes: H04N 23/57 Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Abstract

The present disclosure provides a scanning imaging part, and related products and methods. The scanning imaging part includes a transparent body, a light blocking ink, a charged liquid droplet, and a microfluidic component. The transparent body may include a first face and a second face opposite to each other. An image sensor may be arranged on the second face. The charged liquid droplet and the light blocking ink may be insoluble with each other, and may be filled in a liquid flow channel. The charged liquid droplet may transmit at least a part of light incident from the first face through the charged liquid droplet and to the image sensor. The microfluidic component may drive the charged liquid droplet to move in the liquid flow channel. Thereby, light incident from the first face may be scanned via the charged liquid droplet and form a scanning image by the image sensor.

Claims

1. A scanning imaging part, comprising:

a transparent body comprising a first face and a second face opposite to each other, wherein a closed liquid flow channel is defined in the transparent body adjacent to the first face, and an image sensor is arranged on the second face;

a light blocking ink filled in the liquid flow channel and configured to block light incident from the first face;

a charged liquid droplet arranged in the liquid flow channel, wherein the charged liquid droplet is transparent and insoluble with the light blocking ink, and is configured to transmit at least a part of the light incident from the first face through the charged liquid droplet and to the image sensor; and

a microfluidic component arranged on the first face of the transparent body, and configured to drive the charged liquid droplet to move in the liquid flow channel, so that light incident from the first face is scanned via the charged liquid droplet and forms a scanning image by the image sensor.

2. The scanning imaging part according to claim 1, wherein

the transparent body is a plate body in a trapezoidal shape;

a side face on the plate body corresponding to a lower base of the trapezoidal shape is a curved face, and a side face on the plate body corresponding to an upper base of the trapezoidal shape is a plane; and

the lower base face is the first face, and the upper base face is the second face.

3. The scanning imaging part according to claim 1, wherein

the transparent body is a sector plate body;

and

an outer side face of the sector plate body is the first face, and an inner side face of the sector plate body is the second face.

4. The scanning imaging part according to claim 1, wherein

the first face is a curved face;

the liquid flow channel extends along a curved path corresponding to the first face and is covered by the first face; and

a photosensitive face of the image sensor is arranged toward the second face.

5. The scanning imaging part according to claim 4, wherein

a distance between a center of the liquid flow channel along the curved path corresponding to the first face, and the first face, is constant.

6. The scanning imaging part according to claim 4, wherein

the image sensor is a strip shape, and is configured to receive light transmitted by the charged liquid droplet at any location in the liquid flow channel.

7. The scanning imaging part according to claim 4, wherein

a projection of the liquid flow channel on the second face is at least partially overlapped with a projection of the image sensor on the second face.

8. The scanning imaging part according to claim 1, wherein

a diameter of the charged liquid droplet is greater than or equal to an inner diameter of the liquid flow channel.

9. The scanning imaging part according to claim 1, wherein

the microfluidic component is bonded to the first face.

10. The scanning imaging part according to claim 1, wherein

a projection of the liquid flow channel on the first face is at least partially overlapped with a projection of the microfluidic component on the first face.

11. The scanning imaging part according to claim 1, wherein

the microfluidic component comprises:

a first transparent conductive film;

a second transparent conductive film; and

a transparent insulating film;

the first transparent conductive film is bonded to the first face; and

the second transparent conductive film is bonded to the first transparent conductive film by the transparent insulating film.

12. The scanning imaging part according to claim 11, wherein

the first transparent conductive film comprises a plurality of indium tin oxide wirings extending along a first direction;

the second transparent conductive film comprises a plurality of indium tin oxide wirings extending along a second direction; and

the plurality of indium tin oxide wirings extending along the first direction and the plurality of indium tin oxide wirings extending along the second direction are arranged across to each other, and are insulated from each other.

13. The scanning imaging part according to claim 1, wherein

the charged liquid droplet is in close contact with an inner wall face of the liquid flow channel.

14. A scanning imaging device, comprising:

at least one scanning imaging part, wherein each scanning imaging part comprises;

a transparent body comprising a first face and a second face opposite to each other, wherein a closed liquid flow channel is defined in the transparent body adjacent to the first face, and an image sensor is arranged on the second face;

a light blocking ink filled in the liquid flow channel and configured to block light incident from the first face;

a charged liquid droplet arranged in the liquid flow channel, wherein the charged liquid droplet is transparent and insoluble with the light blocking ink, and is configured to transmit at least a part of the light incident from the first face through the charged liquid droplet and to the image sensor; and

a microfluidic component arranged on the first face of the transparent body, and configured to drive the charged liquid droplet to move in the liquid flow channel, so that light incident from the first face is scanned via the charged liquid droplet and forms a scanning image by the image sensor.

15. The scanning imaging device according to claim 14, wherein

the number of the scanning imaging parts is plural;

a plurality of the scanning imaging parts are arranged side by side along a third direction; and

the liquid flow channel extends along a fourth direction, and the third direction is perpendicular to the fourth direction.

16. The scanning imaging device according to claim 15, wherein

the plurality of the scanning imaging parts shares the same image sensor.

17. The scanning imaging device according to claim 15, wherein

a light blocking layer is arranged between any two adjacent scanning imaging parts.

18. The scanning imaging device according to claim 15, further comprising a driving chip, wherein the driving chip is communicatively connected to the microfluidic component and the image sensor.

19. An electronic apparatus, comprising:

a housing;

a display screen assembly mounted on the housing; and

a scanning imaging device comprising at least one scanning imaging part, wherein each scanning imaging part comprises;

a transparent body comprising a first face and a second face opposite to each other, wherein a closed liquid flow channel is defined in the transparent body adjacent to the first face, and an image sensor is arranged on the second face;

a light blocking ink filled in the liquid flow channel and configured to block light incident from the first face;

a charged liquid droplet arranged in the liquid flow channel, wherein the charged liquid droplet is transparent and insoluble with the light blocking ink, and is configured to transmit at least a part of the light incident from the first face through the charged liquid droplet and to the image sensor; and

a microfluidic component arranged on the first face of the transparent body, and configured to drive the charged liquid droplet to move in the liquid flow channel, so that light incident from the first face is scanned via the charged liquid droplet and forms a scanning image by the image sensor;

wherein

the scanning imaging device is arranged along any side of the display screen assembly; and

a light incident face of the scanning imaging device is smoothly connected to a display face of the display screen assembly.

20. The electronic apparatus according to claim 19, wherein the light incident face of the scanning imaging device is tangent to the display face of the display screen assembly.