CN211378086U - Camera module type sensor device and camera module - Google Patents
Camera module type sensor device and camera module Download PDFInfo
- Publication number
- CN211378086U CN211378086U CN201922034771.3U CN201922034771U CN211378086U CN 211378086 U CN211378086 U CN 211378086U CN 201922034771 U CN201922034771 U CN 201922034771U CN 211378086 U CN211378086 U CN 211378086U
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- CN
- China
- Prior art keywords
- camera module
- unit
- module type
- type sensor
- lens
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10151—Sensor
Abstract
The present invention relates to a camera module type sensor device and a camera module which can maximize space utilization by providing a proximity sensor, an illuminance sensor, a distance image sensor, a lighting device, etc. on a lens housing of the camera module, the camera module type sensor device may include at least one sensor unit or a light emitting unit, which is provided on the lens housing of the camera module; and a signal transmission medium which transmits an electrical signal to the sensor unit or the light emitting unit.
Description
Technical Field
The present invention relates to a camera module type sensor device and a camera module, and more particularly, to a camera module type sensor device and a camera module that can maximize space utilization by providing a proximity sensor, an illuminance sensor, a distance image sensor, an illumination device, and the like on a lens housing of the camera module.
Background
In order to measure a distance between objects such as faces, hands, or hairs spaced apart from a smart device such as a smart phone, a smart tablet (smart pad), or the like, various proximity sensor devices may be disposed under a display.
As the bezel (bezel) gradually tends to be minimized, the existing proximity sensor device may be disposed under a display such as an LCD or an OLED, and may include a light emitting unit that may emit irradiation light for distance sensing, a light receiving unit, a distance measuring unit, and the like; the light receiving unit may receive reflected light reflected by an object based on irradiation of the irradiation light; the distance measuring unit measures the distance to the object using an intensity difference, a time difference, or tof (time of flight) or the like of the irradiated light and the reflected light.
For example, when the object is in a simple form such as a plane or a face, the distance of the object can be measured by the following principle. When the irradiation light emits light having a constant intensity, the reflected light is a function of the distance between the object and the light emitting means, and the distance of the object is estimated by generally increasing the characteristics of the reflected light as the distance between the object and the light emitting means is shorter. The distance measurement of an object more complicated than the above-described configuration includes a tof (time of flight) method in which the light emitting unit irradiates the object for a certain period of time and the reflected light reflected from the object is measured for a change with time, thereby measuring the distance between the light emitting unit and the object or the light receiving unit.
However, if such an existing proximity sensor device is provided below the display of a smartphone or the like, a crosstalk (crosstalk) phenomenon occurs, so that there are problems as a disturbing effect when measuring a distance. The crosstalk phenomenon is a phenomenon in which internally reflected light generated by the light emitting unit but not reflected on the surface of the display by the display is received by the light receiving unit.
In addition, the interference light reflected by the object causes various problems such as a flash (flicker) phenomenon in which a screen flickers due to a photoelectric effect of LTPS (low temperature poly-silicon) of a display such as an OLED.
In addition, a lens housing for fixing a lens must be provided in the conventional camera module, and the lens housing not only stably protects the lens but also adjusts the distance between an imaging element and the lens to align the focal point of the lens.
However, the conventional lens housing has a problem that space is wasted because no component is disposed inside the lens housing, which results in a dead space.
SUMMERY OF THE UTILITY MODEL
Technical problem
The utility model provides a camera module type sensor device and camera module is through setting up proximity sensor, illuminance sensor, distance image sensor and lighting device etc. on the camera lens casing of camera module to can make the space utilization maximize, and can avoid current crosstalk phenomenon or flash of light phenomenon based on this, thereby can improve the performance and the reliability of product greatly. However, these technical problems are merely examples, and the scope of the present invention is not limited thereto.
Technical scheme
In order to solve the above-described problems, the present invention relates to a camera module type sensor device including: at least one sensor unit or light emitting unit provided on a lens housing of the camera module; and a signal transmission medium which transmits an electrical signal to the sensor unit or the light emitting unit.
In addition, according to the present invention, the sensor unit may be disposed at a position corresponding to the circular camera hole where the display area is removed in at least a portion of the display device.
Further, according to the present invention, the lens housing may be a ring-shaped lens barrel (lens barrel) surrounding the camera module lens or a guide ring (guide ring) for fixing the lens.
Further, according to the present invention, the sensor unit may include one or more of a proximity sensor for sensing the approach of a user or an object, an illuminance sensor for sensing illuminance, a distance image sensor capable of imaging a distance, and a combination thereof.
In addition, according to the present invention, the sensor unit may include: a light emitting unit for generating measurement light; and a light receiving unit for receiving a reflected light of the measurement light from the object.
In addition, according to the present invention, the light emitting unit may be disposed on one side with reference to the lens of the camera module, and the light receiving unit may be disposed on the opposite side with reference to the lens.
In addition, the camera module type sensor device according to the present invention may further include a substrate on which the sensor unit is mounted and in which a wiring layer electrically connected to the signal transmission medium is formed.
In addition, according to the present invention, the signal transfer medium may be a flexible cable or a Flexible Printed Circuit Board (FPCB) connected to the substrate, and the substrate may be an annular Printed Circuit Board (PCB) or a Flexible Printed Circuit Board (FPCB) formed in a shape surrounding the periphery of the lens.
In addition, according to the present invention, the sensor unit may further include a driver for controlling the light emitting unit or the light receiving unit or an ASIC for processing a signal of the light receiving unit.
In addition, the camera module type sensor device according to the present invention may further include at least one lighting device provided on the lens housing of the camera module.
In addition, according to the present invention, the substrate connection unit of the signal transmission medium, the light emitting unit of the sensor unit, the light receiving unit of the sensor unit, and the lighting device may be respectively disposed at equal angles of 90 degrees with the lens as a reference.
Further, according to the present invention, the lighting device may comprise at least one white LED.
In addition, according to the present invention, the light emitting unit may include at least one of an infrared LED, an infrared laser, and an infrared vcsel (vertical cavity surface emitting laser).
In addition, according to the present invention, the light receiving unit may be disposed near an imaging element of the camera module in order to sense the reflected light passing through the lens.
In addition, according to the present invention, in order to block the reflected light in the form of infrared rays, an infrared cut filter (IR cut filter) may be provided on the imaging element.
In addition, in order to solve the above-described technical problem, the camera module according to the present invention may include a camera module type sensor device.
Advantageous effects
According to the utility model discloses an embodiment with as above structure, the accessible sets up proximity sensor, illuminance sensor, distance image sensor and lighting device etc. on camera module's camera lens casing and makes space utilization maximize to can avoid current crosstalk phenomenon or flash of light phenomenon based on this, thereby can improve the performance and the reliability of product greatly. In addition, the utility model discloses the quantity of reducible part or the shared space of part, the accessible simplifies the assembly process moreover and makes production unit price or manufacturing cost descend by a wide margin. Of course, the scope of the present invention is not limited to these effects.
Drawings
Fig. 1 is a perspective view showing a smart device provided with a camera module according to some embodiments of the present invention.
Fig. 2 is an exploded perspective view showing the sensor device and the camera module of the camera module type of fig. 1.
Fig. 3 is a sectional view showing the camera module type sensor device of fig. 2.
Fig. 4 is a plan view showing an example of the camera module type sensor device of fig. 2.
Fig. 5 is a plan view showing another example of the camera module type sensor device of fig. 2.
Fig. 6 is a sectional view showing an operation state of the camera module type sensor device of fig. 2.
Fig. 7 is a plan view showing a substrate of the camera module type sensor device of fig. 2.
Fig. 8 is a sectional view showing a camera module type sensor device and a camera module according to some other embodiments of the present invention.
Fig. 9 is a plan view showing the camera module type sensor device of fig. 8.
Description of the reference numerals
1 object L lens
LH lens housing E imaging element
10 sensor unit 11 light emitting unit
12 light receiving cell L1 measuring light
L2 reflective light 20 signal transmission medium
30 control unit D display device
G toughened glass CH camera hole
40 substrate 41 wiring layer
50 lighting device 60 substrate connection unit
F infrared cut filter 100, 200 camera module type sensor device
1000. 1100 Camera Module 2000 Smart device
2100 body 2200 display module
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and may be implemented in various forms, and the embodiments below are provided to fully disclose the present invention and enable those skilled in the art to understand the scope of the present invention. For convenience, the dimensions of the constituent elements in the drawings may be exaggerated or minimized.
Fig. 1 is a sectional view showing a smart device 2000 provided with a camera module according to some embodiments of the present invention, and fig. 2 is an exploded perspective view of a camera module type sensor device 100 and a camera module 1000 part of fig. 1.
First, as shown in fig. 1 and 2, a smart device 2000 provided with a camera module according to some embodiments of the present invention may include a body 2100, a display module 2200 combined with the body 2100, and a camera module 1000 combined therebetween.
For example, the smart device 2000 may use not only a smart phone, a smart tablet (smart pad), and a smart camera, but also all electronic products provided with the camera module 1000, such as a notebook computer, a camcorder, or a display.
Further, for example, as shown in fig. 2, the display module 2200 may be a modular part having a tempered glass G disposed in front thereof and a display device D disposed in rear thereof, the display device D having a circular camera hole CH with a display area removed formed thereon.
More specifically, for example, in order to minimize the bezel of the display device D, the camera hole CH is formed inside a corner area or an edge area or the like of the display area, and although this results in that the camera hole CH portion cannot display an image, the display area is made larger instead.
For convenience of explanation, the present invention has been described with reference to the display device D, but the present invention is not limited thereto, and can be applied to all general camera modules and electronic products provided with such camera modules.
Fig. 3 is a sectional view showing the camera module type sensor device 100 of fig. 2, and fig. 4 is a plan view showing an example of the camera module type sensor device 100 of fig. 2.
As shown in fig. 3 and 4, a camera module type sensor apparatus 100 according to some embodiments of the present invention may generally include a sensor unit 10, a signal transmission medium 20, and a control unit 30.
For example, the sensor unit 10 is disposed on a part of the lens housing LH of the camera module 1000, that is, an outer exposed surface of the lens housing LH which is recognizable with the naked eye through the tempered glass G, and more particularly, for example, the sensor unit 10 may be disposed at a position corresponding to the circular camera hole CH in which the display area is removed in at least a portion of the display device D.
More specifically, for example, the sensor unit 10 may include one or more of a proximity sensor for sensing a user or an object, an illuminance sensor for sensing illuminance, a distance image sensor that can image a distance, and a combination thereof.
The lens housing LH may be a ring-shaped lens barrel (lens barrel) surrounding the lens L of the camera module 1000 or a guide ring (guide ring) for fixing the lens L.
Further, for example, as shown in fig. 3 and 4, the sensor unit 10 may include a light emitting unit 11 for generating the measurement light L1; and a light receiving unit 12 for receiving the reflected light L2 of the object 1 based on the measurement light L1.
As shown in fig. 3 and 4, in order to secure a distance between the light emitting unit 11 and the light receiving unit 12 in a minimum space, the light emitting unit 11 may be disposed on one side with respect to the lens L of the camera module 1000, and the light receiving unit 12 may be disposed on the opposite side with respect to the lens L.
In addition, for example, the sensor unit 10 may include various drivers for controlling the light emitting unit 11 or the light receiving unit 12 or an asic (application Specific Integrated circuits) for processing signals of the light receiving unit 12 in addition to the light emitting unit 11 and the light receiving unit 12. In addition, the sensor unit 10 may include various electronic components or chips.
In addition, for example, as shown in fig. 3, the signal transfer medium 20 is used to transfer an electrical signal to the sensor unit 10, and more particularly, the signal transfer medium 20 may be a flexible cable or a Flexible Printed Circuit Board (FPCB) connected to the substrate 40.
In addition, for example, as shown in fig. 3, the control unit 30 may use various electronic components such as an integrated circuit, a microprocessor, a circuit unit, a memory, a central processing unit, or an arithmetic device that controls the sensor unit 10 through the signal transmission medium 20.
Fig. 6 is a sectional view showing an operation state of the camera module type sensor device 100 of fig. 2.
As shown in fig. 6, the operation of the camera module type sensor device 100 according to some embodiments of the present invention will be described as follows, and the sensor unit 10 of the camera module type sensor device 100 according to some embodiments of the present invention may include one or more of a proximity sensor for sensing the approach of a user or an object, an illuminance sensor for sensing illuminance, a distance image sensor for imaging a distance, and a combination thereof. Since the sensor unit 10 is provided on the lens housing LH surrounding a ring-shaped lens barrel (lens barrel) of the lens L of the camera module 1000 or a guide ring (guiding) for fixing the lens L, etc., the light receiving unit 12 may receive the reflected light L2 of the measurement light L1 generated by the object 1 with respect to the light emitting unit 11. Based on this, the control unit 30 calculates the distance to the object 1 and can perform imaging.
At this time, the measurement light L1 and the reflected light L2 pass through the camera hole CH and are emitted to the outside or received, and do not affect the display device D as in the related art, so that various interference phenomena such as crosstalk and flash can be prevented, and space utilization can be maximized by providing a proximity sensor, an illuminance sensor, a distance image sensor, an illumination device, and the like in a lens housing of a camera module.
In addition, based on the method, the performance and the reliability of the product can be greatly improved, the number of components or the occupied space of the components can be reduced, and the production unit price or the production cost can be greatly reduced by simplifying the assembly process.
Fig. 5 is a plan view showing another example of the camera module type sensor device 100 of fig. 2, and fig. 7 is a plan view showing the substrate 40 of the camera module type sensor device 100 of fig. 2.
As shown in fig. 2 to 7, the camera module type sensor device 100 according to some embodiments of the present invention may further include a substrate 40, wherein the substrate 40 is used for mounting the sensor unit 10 and is formed with a wiring layer 41 electrically connected to the signal transmission medium 20.
More specifically, the substrate 40 may be, for example, a ring-shaped Printed Circuit Board (PCB) or a Flexible Printed Circuit Board (FPCB) formed in a form of surrounding the circumference of the lens L.
In addition, for example, the sensor device 100 of the camera module type according to some embodiments of the present invention may further include at least one illumination device 50, and the illumination device 50 is disposed on the lens housing LH of the camera module 1000.
Accordingly, the substrate connection unit 60 of the signal transmission medium 20, the light emitting unit 11 of the sensor unit 10, the light receiving unit 12 of the sensor unit 10, and the illumination device 50 may be respectively disposed at equal angles of 90 degrees with respect to the lens L.
Accordingly, as shown in fig. 3 to 7, a flexible substrate having optimized mechanical or electrical properties can be constructed by disposing the light emitting unit 11 and the light receiving unit 12 to be maximally spaced apart from each other in a limited space, and simultaneously disposing the illumination device 50 at one side to allow the imaging element E of the camera module 1000 to receive a sufficient amount of light to photograph a clear photograph or video, and disposing the substrate connecting unit 60 of the signal transmission medium 20 in the other side direction.
For example, the light emitting unit 11 may include at least one of an infrared LED, an infrared laser, and an infrared vcsel (vertical cavity surface emitting laser) for generating infrared rays for distance sensing, and the lighting device 50 may include at least one white LED for generating at least one white light for photographing and lighting.
That is, although fig. 2 to 7 illustrate one light emitting unit 11 and one lighting device 50, in addition to this, a plurality of light emitting units 11 and a plurality of lighting devices 50 may be alternately disposed on the lens housing LH at equal angles.
In addition, the present invention as described above may include the camera module 1000 having the above-described sensor device 100 of camera module type, and in addition, may further include the smart device 2000 having the camera module 1000 of the present invention.
Fig. 8 is a sectional view showing a camera module type sensor device 200 and a camera module 1100 according to some other embodiments of the present invention, and fig. 9 is a sectional view showing the camera module type sensor device 200 and the camera module 1100 of fig. 8.
As shown in fig. 8 and 9, the light receiving unit 12 of the camera module type sensor apparatus 200 according to some other embodiments of the present invention may be disposed inside the camera module 1100, the light emitting unit 11 is disposed on the upper surface of the lens housing, and the light receiving unit 12 is disposed near the imaging element E inside the camera module 1100, so that the reflected light L2 passing through the lens L can be sensed.
At this time, since the imaging element E does not have to capture the reflected light L2, an infrared cut filter f (ir cut filter) may be particularly provided so that the reflected light L2 in the form of infrared rays may be blocked.
Therefore, the imaging element E can photograph visible light other than the infrared reflected light L2, and the light receiving unit 12 can measure a distance using the infrared reflected light L2. Therefore, the area of the light emitting unit 11 and the light receiving unit 12 can be minimized in terms of space efficiency.
The present invention has been described with reference to one embodiment illustrated in the accompanying drawings, which are intended to be exemplary only, and it will be understood by those skilled in the art that various changes may be made and equivalents may be made to other embodiments. Therefore, the true technical scope of the present invention depends on the technical idea of the appended claims.
Claims (15)
1. A camera module type sensor apparatus, characterized by comprising:
at least one sensor unit or light emitting unit provided on a lens housing of the camera module; and
a signal transmission medium which transmits an electrical signal to the sensor unit or the light emitting unit;
the sensor unit includes at least one of a proximity sensor for sensing proximity of a user or an object, an illuminance sensor for sensing illuminance, a distance image sensor that can image a distance, and a combination thereof.
2. The camera module type sensor apparatus of claim 1, wherein the sensor unit is disposed at a position corresponding to a circular camera hole, from which the display area is removed, in at least a portion of the display apparatus.
3. The camera module type sensor apparatus of claim 1, wherein the lens housing is a ring-shaped lens barrel surrounding the camera module lens or a guide ring for fixing the lens.
4. The camera module type sensor apparatus of claim 1, wherein the sensor unit comprises:
a light emitting unit for generating measurement light; and
and a light receiving unit for receiving the reflected light of the object to the measuring light.
5. The camera module type sensor apparatus as claimed in claim 4, wherein the light emitting unit is provided on one side with reference to the lens of the camera module, and the light receiving unit is provided on the opposite side with reference to the lens.
6. The camera module type sensor apparatus according to claim 1, further comprising a substrate for mounting the sensor unit and formed with a wiring layer electrically connected to the signal transfer medium.
7. The camera module type sensor apparatus of claim 6, wherein the signal transfer medium is a flexible cable or a Flexible Printed Circuit Board (FPCB) connected to the substrate, and the substrate is a ring-shaped Printed Circuit Board (PCB) or a Flexible Printed Circuit Board (FPCB) formed in a shape surrounding the circumference of the lens.
8. The camera module type sensor apparatus according to claim 4, wherein the sensor unit further comprises a driver for controlling the light emitting unit or the light receiving unit or an ASIC for processing a signal of the light receiving unit.
9. The camera module type sensor apparatus of claim 1, further comprising at least one illumination device disposed on the lens housing of the camera module.
10. The camera module type sensor apparatus of claim 9, wherein the substrate connection unit of the signal transmission medium, the light emitting unit of the sensor unit, the light receiving unit of the sensor unit, and the illumination device are arranged at equal angles of 90 degrees with respect to the lens, respectively.
11. A camera module type sensor apparatus as claimed in claim 10, wherein said illumination means comprises at least one white LED.
12. The camera module type sensor apparatus of claim 4, wherein the light emitting unit includes any one or more of an infrared LED, an infrared laser, and an infrared VCSEL.
13. The camera module type sensor apparatus as claimed in claim 4, wherein the light receiving unit is provided in the vicinity of an imaging element of the camera module in order to sense the reflected light passing through the lens.
14. The camera module type sensor apparatus as claimed in claim 13, wherein an infrared cut filter is provided on the imaging element in order to block the reflected light in the form of infrared rays.
15. A camera module, characterized in that it comprises a sensor device of the camera module type according to any one of claims 1 to 14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0035414 | 2019-03-27 | ||
| KR1020190035414A KR102211153B1 (en) | 2019-03-27 | 2019-03-27 | Camera module type sensor apparatus and camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211378086U true CN211378086U (en) | 2020-08-28 |
Family
ID=72154615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922034771.3U Expired - Fee Related CN211378086U (en) | 2019-03-27 | 2019-11-22 | Camera module type sensor device and camera module |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102211153B1 (en) |
| CN (1) | CN211378086U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022098058A1 (en) * | 2020-11-06 | 2022-05-12 | 삼성전자 주식회사 | Electronic device including display |
| KR20220154548A (en) * | 2021-05-13 | 2022-11-22 | 삼성전자주식회사 | Method for providing image and electronic device supporting the same |
| EP4319138A1 (en) | 2021-05-13 | 2024-02-07 | Samsung Electronics Co., Ltd. | Method for providing image, and electronic device supporting same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100567104B1 (en) * | 2004-05-12 | 2006-03-31 | 삼성전기주식회사 | Camera lens module for mobile communication terminal |
| JP2014057271A (en) * | 2012-09-13 | 2014-03-27 | Sharp Corp | Camera module and display device |
| KR20150044506A (en) * | 2013-10-16 | 2015-04-27 | 쓰리에이치비젼주식회사 | Camera Lens Module Having a Sensor |
-
2019
- 2019-03-27 KR KR1020190035414A patent/KR102211153B1/en active IP Right Grant
- 2019-11-22 CN CN201922034771.3U patent/CN211378086U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR102211153B1 (en) | 2021-02-03 |
| KR20200114164A (en) | 2020-10-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |