CN107172338B - Camera and electronic equipment - Google Patents
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- CN107172338B CN107172338B CN201710520419.3A CN201710520419A CN107172338B CN 107172338 B CN107172338 B CN 107172338B CN 201710520419 A CN201710520419 A CN 201710520419A CN 107172338 B CN107172338 B CN 107172338B
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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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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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
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- General Engineering & Computer Science (AREA)
- Studio Devices (AREA)
- Blocking Light For Cameras (AREA)
Abstract
The invention discloses a camera and an electronic device, wherein the camera comprises: the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer; the at least one second coating layer covers the partial surface of the lens covered with the first coating layer and is used for changing the structure of the partial surface so as to change the proportion of light penetrating and covering the area of the second coating layer. By adopting the invention, the function of double cameras can be realized by one camera, so that the structure is simplified.
Description
Technical Field
The present disclosure relates to camera coating technologies, and particularly to a camera and an electronic device.
Background
With the increasing competition of smart phone markets, mobile phone manufacturers are continuously improving hardware technology, software functions, system optimization and the like in order to attract more users to pay attention, and the mobile phone photographing function which is most frequently used by users also becomes the focus of the mobile phone manufacturers for collective pursuit.
In the current smart phone, more and more smart applications related to mobile phone photography are applied, such as human eye tracking, depth of field recognition, gesture recognition, iris recognition, etc., and when a mobile phone manufacturer realizes the applications with these special functions, the scheme generally adopted is as follows: a special camera is added on the mobile phone, and corresponding functions are realized through double cameras; or a plurality of filters in combination with a filter switcher to perform the corresponding functions. For example, the depth of field information of the picture is recorded through the double-camera hardware, so that the distance of the photographed object can be sensed, the object and the background can be separated, even the background is subjected to fuzzy processing, and the function of adjusting the depth of field of the picture at the later stage is realized; in addition, the user can also select any one position in the picture to be in focus, thereby having different picture effects. However, the addition of a camera to the electronic device will occupy additional space of the electronic device and increase the volume of the electronic device; the use of the filter switcher and the plurality of filters in the camera complicates the structure of the camera.
Disclosure of Invention
The embodiment of the invention provides a camera and an electronic device, which can effectively solve the problem of complicated camera structure.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention records a camera, comprising:
the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers the partial surface of the lens covered with the first coating layer and is used for changing the structure of the partial surface so as to change the proportion of light penetrating and covering the area of the second coating layer.
The embodiment of the invention records an electronic device, which comprises a camera and a processor;
the camera comprises a light filtering structure consisting of a lens, a first coating layer and at least one second coating layer;
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer;
and the processor is used for acquiring the image signal from the camera and processing the acquired image signal according to the application scene of the camera.
In the embodiment of the invention, the film layers with different sizes and types are plated on the lens to change the light rays with different wavelengths to enter the camera, so that shooting with different requirements is realized according to the light rays with different wavelengths, for example, in a filtering structure in the camera, an area of the second film layer is plated, the area only allows infrared rays to enter, and other areas only allow other visible light to enter, so that common shooting can be realized according to the entering visible light; according to the entering infrared rays, the camera can also realize the functions of eyeball tracking, gesture recognition, virtual reality and iris recognition. Therefore, the problems of realizing the functions of common photographing, eyeball tracking, gesture recognition, virtual reality and iris recognition by combining two cameras or a plurality of optical filters and an optical filter switcher are avoided, and the complexity of a camera module in the electronic equipment is reduced.
Drawings
Fig. 1a is a first schematic top view of a filter structure in a camera according to an embodiment of the present invention;
FIG. 1b is a schematic side view of a filter structure in a camera according to an embodiment of the present invention;
fig. 2a is a schematic top view of a filter structure in a camera according to an embodiment of the present invention;
FIG. 2b is a schematic side view of a filter structure in a camera according to an embodiment of the present invention;
fig. 3a is a schematic top view of a filter structure in a camera according to an embodiment of the present invention;
FIG. 3b is a schematic side view of a filter structure in a camera according to an embodiment of the present invention;
fig. 4a is a schematic top view of a filter structure in a camera according to an embodiment of the present invention;
FIG. 4b is a schematic side view of a filter structure in a camera according to an embodiment of the present invention;
fig. 5a is a schematic top view of a filter structure in a camera according to an embodiment of the present invention;
FIG. 5b is a schematic side view of a filter structure in a camera according to an embodiment of the present invention;
fig. 6a is a schematic top view illustrating a sixth filtering structure in a camera according to an embodiment of the present invention;
FIG. 6b is a schematic side view of a sixth filtering structure in a camera according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a camera in an embodiment of the present invention;
fig. 8 is a schematic diagram of an electronic device in an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, which illustrate some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention records a camera; as shown in fig. 1, the optical filter structure comprises a lens 101, a first coating 102 and at least one second coating 103; the first coating layer 102 covers the surface of the lens 101, and is used for changing the surface structure of the lens 101 so as to change the proportion of light penetrating and covering the area of the first coating layer 102, namely, the lens area covering the first coating layer 102 has changed light penetration rate; the at least one second coating layer 103 covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating through the area covered by the second coating layer 102, namely the lens area covered by the second coating layer 102, and the light penetration rate is changed; that is, after at least one first coating layer 102 is coated on the surface of the lens 101 and at least one second coating layer 103 is further coated on the surface of the lens coated with the first coating layer 102, the light transmittance is changed accordingly. Here, the lens area covered with the second coating 103 may be uncovered with the first coating 102, as shown in fig. 1.
In the embodiment of the invention, the film layers with different sizes and types are plated on the lens to change the light rays with different wavelengths to enter the camera, so that shooting with different requirements is realized according to the light rays with different wavelengths, for example, in a filtering structure in the camera, an area of the second film layer is plated, the area only allows infrared rays to enter, and other areas only allow other visible light to enter, so that common shooting can be realized according to the entering visible light; according to the entering infrared rays, the camera can also realize the functions of eyeball tracking, gesture recognition, virtual reality and iris recognition. Therefore, the problems of realizing the functions of common photographing, eyeball tracking, gesture recognition, virtual reality and iris recognition by combining two cameras or a plurality of optical filters and an optical filter switcher are avoided, and the complexity of a camera module in the electronic equipment is reduced. That is, one camera is used to realize the function that can be completed only by two cameras in the prior art. Meanwhile, the electronic equipment with the camera with the filtering structure can be applied only through two cameras in the prior art.
The following describes in detail a camera and an electronic device provided by an embodiment of the present invention with reference to the drawings and specific embodiments.
Example one
To illustrate the types of different lenses, the present embodiment describes a camera that can be applied to devices such as smart phones, tablet computers, notebook computers, and video cameras, as shown in fig. 2a and fig. 2b, the camera described in the present embodiment includes: a light filtering structure consisting of a lens 201, a first coating layer 202 and at least one second coating layer 203; wherein the content of the first and second substances,
the lens 201 may be a light-transmitting sheet 2011, and when light reaches the light-transmitting sheet 2011, the light is refracted and reflected on the surface of the light-transmitting sheet 2011, so as to reduce reflection of the light and increase the transmittance of the light; or, in order to improve the reflection of the light and reduce the transmittance of the light, at least one coating layer is added on the surface of the light-transmitting sheet to change the transmittance of the light.
Alternatively, the lens 201 may also be an optical filter 2012, where the optical filter 2012 may be made of plastic or glass plate with special dye added thereto. When the light reaches the filter 2012, the light can absorb light with different wavelengths on the surface of the filter 2012 besides the phenomena of refraction and reflection, such as a red filter, an orange filter, a yellow filter, a green filter, a blue filter, a violet filter, and the like, wherein the red filter only allows red light to pass through, and light with other colors is absorbed by the red filter, and the other color filters can be analogized in turn. The use of filter 2012 acts to: if the filter for filtering out the invisible light is used, light except the visible light can be filtered out in the daytime of shooting, so that the imaging is clearer and more beautiful; if the optical filter for filtering light except infrared rays is used, light except infrared wave bands is filtered when monitoring is carried out at night, and therefore infrared monitoring at night is achieved. In the following embodiments of the present invention, the light-transmitting sheet 2011 will be described as an example.
The first coating layer 202 covers the surface of the transparent sheet 2011 or the surface of the optical filter 2012 and is used for changing the surface structure of the transparent sheet 2011 so as to change the proportion of the lens area of the first coating layer 2011 covered by light, namely, the lens area of the first coating layer 2011 is covered, the light penetration rate is changed, generally speaking, the first coating layer 2011 is used for preventing the penetration of non-visible light so as to realize daily photographing. The number of the first coating layer 202 is at least one, and the first coating layer can cover one surface of the lens 201, and can also cover two surfaces of the lens 201, that is, the upper and lower surfaces of the lens 201. In practical application, the number of specific layers and whether to cover two surfaces may be set according to practical requirements, and the embodiment of the present invention is not particularly limited, and in the subsequent embodiments, the number of the first coating layers will be described by taking one coating layer and covering one surface as an example.
The at least one second coating layer 203 covers a portion of the surface of the lens 201, and is used to change the surface structure of the transparent sheet 2011 or the optical filter 2012 covering the first coating layer 202, so as to change the ratio of light penetrating through the lens area covering the second coating layer 2012, that is, the lens area covering the second coating layer 202 has a changed light penetration rate, generally, the second coating layer 202 is generally used to allow light with a specific wavelength to pass through, so as to achieve a corresponding function. It should be noted that the second coating layer 203 may cover one surface of the lens 201, or may cover two surfaces of the lens 201, i.e. the upper and lower surfaces of the lens 201; in addition, the lens area covered by the second coating 203 may be uncovered by the first coating 202, as shown in fig. 2 b. Therefore, the electronic device equipped with the camera disclosed by the embodiment of the invention can realize different application functions according to the number and the covering position of the second film coating layer 203.
Example two
When applied to eye tracking, the present embodiment describes a camera that can be applied to devices such as smart phones, tablet computers, notebook computers, and video cameras, as shown in fig. 3a and 3b, the camera described in the present embodiment includes: a filter structure consisting of a lens 301, a first coating 302 and at least one second coating 303; wherein the content of the first and second substances,
the lens 301 may be a light-transmitting sheet or a light filter, wherein the functions and functions of the light-transmitting sheet and the light filter can refer to the first embodiment, and are not described herein again.
The first coating layer 302 covers the surface of the lens 301, wherein the function and function of the first coating layer 302 can refer to the first embodiment, and are not described herein again.
The number of the at least one second coating layer 303 is one, the shape is rectangular, preferably square, wherein the side length can be 0.1 to 0.5 mm; preferably 0.1 to 0.2 mm, and the pixel points are approximately 100 to 200. Wherein the second coating 303 covers the center of the lens 301 for changing the lens surface structure of the center area to change the ratio of the light with specific wavelength penetrating the area, wherein the second coating 303 allows the infrared light of [700, 900] to pass through, but prevents the light with other wavelength range from passing through. Here, the central region of the lens covered by the second coating 303 may be uncovered by the first coating 302, as shown in fig. 3 b.
When a user watches an electronic book, the electronic equipment provided with the camera detects eyeball change of the user, so that the user can turn pages without touching a screen, and great convenience can be brought. In the electronic equipment provided with the camera disclosed by the embodiment of the invention, the second coating layer of the filter structure is positioned at the center of the filter structure, so that an infrared picture with the wavelength within the range of 700 and 900 can be obtained during shooting, and further iris information about eyeballs can be obtained. When a user reads an electronic book, the eyeballs can correspondingly rotate left and right or up and down, and the eyeballs can slightly change, and the changes are reflected in the iris information. Therefore, the characteristic information corresponding to the iris can be extracted from the picture shot by the embodiment of the invention, and the direction of the eyeball rotation can be deduced according to the characteristic information analysis, so that the eyeball tracking is realized, and the electronic book can be automatically moved up and down according to the change of the eyeball. It should be noted that the camera with the filtering structure may capture a picture capable of performing gesture recognition, and implement final gesture recognition by combining with corresponding software.
Compared with the traditional camera, the electronic equipment provided with the camera disclosed by the embodiment of the invention can realize the mutual conversion between the common photographing and eyeball tracking operations without using double cameras or switching among a plurality of optical filters, namely, the camera disclosed by the embodiment of the invention can realize normal photographing and can realize the eyeball tracking function.
EXAMPLE III
When the present embodiment is applied to gesture recognition, the camera described in this embodiment may be applied to devices such as a smart phone, a tablet computer, a notebook computer, and a video camera, as shown in fig. 4a and 4b, the camera described in this embodiment includes: a light filtering structure consisting of a lens 401, a first coating layer 402 and at least one second coating layer 403; wherein the content of the first and second substances,
the lens 401 may be a light-transmitting sheet or a light filter, wherein the functions and functions of the light-transmitting sheet and the light filter can refer to the first embodiment, and are not described herein again.
The number of the at least one second plating layer 403 is at least two, preferably four, and four is described in the following embodiments as an example; in addition, the shape is rectangular, preferably square, wherein the side length can range from 0.1 to 0.5 mm; preferably 0.1 to 0.2 mm, and the pixel points are approximately 100 to 200. The second coating layer 403 covers the four corners of the lens coated with the first coating layer 402, as shown in fig. 4a and 4b, and is used to change the lens surface structure of the lens area at the four corners of the lens, so as to change the proportion of the light penetrating the lens area covering the second coating layer 403, that is, the light penetration rate of the lens area covering the four corners of the lens of the second coating layer 202 changes. Here, the second coating layer 403 allows infrared light of [700, 900] to pass through, while blocking light of other wavelength ranges. Here, the area covering the four corners of the lens of the second coating 403 may be uncovered with the first coating 402, as shown in fig. 4 b.
The gesture recognition enables human beings to realize natural interaction with a machine without external mechanical equipment, and the basic principle of gesture recognition is introduced, so that three steps are needed for completing gesture recognition: gesture segmentation, gesture analysis and gesture recognition; wherein the content of the first and second substances,
gesture segmentation is a particularly critical step in the gesture recognition process, and a commonly used method is gesture segmentation based on stereoscopic vision, wherein different images of a gesture are obtained by using multiple image acquisition devices and are converted into a stereo model. The plurality of image acquisition devices can be understood as a plurality of cameras on one electronic device, such as a dual-camera mobile phone; but also a plurality of cameras.
The gesture analysis can obtain the shape characteristics or the motion trail of the gesture, and the analysis method can adopt the following steps: 1) combining a gesture recognition algorithm of geometric moment and edge detection, calculating the distance between the images by setting the weight of the two features, and realizing the recognition of the letter gesture; 2) the finger joint type tracking method is mainly used for constructing a two-dimensional or three-dimensional model of a hand, tracking according to position changes of joint points of the hand, and is mainly applied to dynamic trajectory tracking.
Gesture recognition is a process of classifying tracks in a model parameter space into a certain subset in the space, the gesture is regarded as a sequence formed by static gesture images, and then a gesture template sequence to be recognized is compared with a known gesture template sequence, so that the gesture is recognized.
In the electronic equipment provided with the camera disclosed by the embodiment of the invention, the filtering structure is provided with the second coating layer 403 with four corner positions, and in the shooting process, the entering infrared light can meet the light quantity required by gesture recognition, so that enough pictures aiming at gesture changes are shot to obtain information about gestures from the pictures, and then the final gesture is finally recognized through the gesture segmentation, the gesture analysis and the gesture recognition, and further the corresponding control operation is performed through the recognized gesture. The point to be described is that the camera provided with the light filtering structure can shoot pictures capable of performing gesture recognition, and the functions of gesture segmentation, gesture analysis and gesture recognition are realized by combining corresponding software.
Compared with the traditional camera, the electronic equipment provided with the camera disclosed by the embodiment of the invention can realize the mutual conversion between the common photographing and gesture recognition operations without using double cameras or switching among a plurality of optical filters, namely, the camera disclosed by the embodiment of the invention can realize normal photographing and can realize the gesture recognition function.
Example four
When the camera is applied to virtual reality, the camera described in this embodiment may be applied to devices such as a smart phone, a tablet computer, a notebook computer, and a video camera, as shown in fig. 5a and 5b, the camera described in this embodiment includes: a light filtering structure consisting of a lens 501, a first coating layer 502 and at least one second coating layer 503; wherein the content of the first and second substances,
the lens 501 may be a light-transmitting sheet or a light filter, wherein functions and functions of the light-transmitting sheet and the light filter can refer to the first embodiment, and are not described herein again.
The number of the at least one second plating layer 503 is at least two, preferably four, and four is described in the following embodiments as an example; in addition, the shape is rectangular, preferably square, wherein the side length can range from 0.1 to 0.5 mm; preferably 0.1 to 0.2 mm, and the pixel points are approximately 100 to 200. The at least one second coating layer covers the position which is a preset distance away from the center of the first coating layer, and the coating method comprises the following steps: the second coating 503 covers the lens coated with the first coating 502 at a distance of 3.5 to 5.5 mm from the center of the lens, or at a distance of about 80% of the distance from the center of the lens to the corner, as shown in fig. 5a and 5 b. The second coating 503 is used to change the lens surface structure of the area covered by the second coating, so as to change the ratio of light in the second wavelength range penetrating the area. Here, the second coating 503 allows the infrared light of [700, 900] to pass through, while blocking the light of other wavelength ranges. Here, the lens area covered by the second coating 503 may be uncovered by the first coating 502, as shown in fig. 5 b.
Virtual reality is the use of computer simulation to create a three-dimensional virtual world that provides the user with a simulation of the senses of sight, hearing, touch, etc. In the electronic equipment provided with the camera disclosed by the embodiment of the invention, the light filtering structure is provided with the second coating layers 503 at four corner positions, and the second coating layers 503 allow infrared rays to enter, so that the same shot picture has visible light and infrared shot information, and the distance between a target scene and the camera can be more conveniently calculated by performing corresponding data processing and comparative analysis on the shot information of two different rays. When the user moves correspondingly, the image changes correspondingly, so that when the position of the user moves, the distance between the lens structure and the scenery in the picture is adjusted according to the calculated distance relation, and the pictures with different distances and visual angles are regenerated.
Compared with the traditional camera, the electronic equipment provided with the camera disclosed by the embodiment of the invention can realize the mutual conversion between the common photographing and the virtual reality operation without using double cameras or switching among a plurality of optical filters, namely, the camera disclosed by the embodiment of the invention can be used for both normal photographing and virtual reality.
EXAMPLE five
When the present embodiment is applied to iris recognition, the camera described in this embodiment may be applied to devices such as a smart phone, a tablet computer, a notebook computer, and a video camera, as shown in fig. 6a and 6b, the camera described in this embodiment includes: a lens 601, a first coating 602, and at least one second coating 603; wherein the content of the first and second substances,
the lens 601 may be a light-transmitting sheet or a light filter, wherein the functions and functions of the light-transmitting sheet and the light filter can refer to the first embodiment, and are not described herein again.
The number of the at least one second coating layer 603 is one, and the shape is square, wherein the length is consistent with the length of the lens 601, and the width is 0.2 to 0.5 mm. The second coating 603 covers one side of the lens covered by the first coating 601 as shown in fig. 6a and 6 b. The second coating 603 is used to change the lens surface structure in its covered area, and to enhance the light-transmitting film through which the second wavelength [700, 900] passes, while other wavelengths will be reflected. Here, the area covering the four corners of the lens of the second coating 603 may be uncovered with the first coating 602, as shown in fig. 6 b.
The human eye consists of three parts, namely a sclera, an iris and a pupil, wherein the sclera is a white part at the periphery of an eyeball and accounts for about 30 percent of the total area; the center of the eye is the pupil part, which accounts for about 5%; the iris is located between the sclera and the pupil and contains the most abundant textural information, accounting for 65%. In appearance, the iris is composed of many pits, folds, pigmented spots, etc., and is one of the most unique structures in the human body. In the electronic device equipped with the camera disclosed by the embodiment of the invention, the filtering structure is provided with the second coating layer 603 as shown in fig. 6a and fig. 6b, so that a picture capable of iris recognition can be shot, iris information in the picture is extracted, corresponding iris features are obtained, and the obtained iris features are matched with preset iris feature information, thereby realizing iris recognition. It should be noted that the camera with the filtering structure can take pictures for iris recognition, and the final iris recognition is realized by combining with corresponding software.
Compared with the traditional camera, the electronic equipment provided with the camera disclosed by the embodiment of the invention can be used for carrying out common photographing and iris recognition operation without using double cameras or switching among a plurality of optical filters, and the camera disclosed by the embodiment of the invention can be used for realizing normal photographing and iris recognition functions.
EXAMPLE six
This embodiment describes a camera, can be applied to equipment such as smart mobile phone, panel computer, notebook computer and camera, as shown in fig. 7, the camera includes: a lens structure 701, a focus 702, a focus edge glue 703, a filter structure 704, a support 705, a support edge glue 706, an image sensor 707, a sensor edge glue 708, a shadowless (UV) glue 709, a driver 710, a memory 711, a circuit board 712, a copper foil tape 713, and an insulating tape 714; wherein the content of the first and second substances,
the lens structure 701 adjusts the focal length of a target shot object;
the filtering structure 704 includes: a lens 7041, a first coating 7042, and at least one second coating 7043 disposed between the lens and the image sensor for controlling light of different wavelengths to enter the camera, e.g., allowing light of a first wavelength to enter the camera, and/or prohibiting light of a second wavelength from entering the camera; wherein the content of the first and second substances,
the first coating layer 7042 covers the surface of the lens 7041 and is used for changing the surface structure of the lens 7041 so as to change the proportion of the area of the first coating layer covered by light penetration;
the at least one second coating layer 7043 covers a portion of the surface of the lens behind the first coating layer 7042 to change the structure of the portion of the surface to change the proportion of the area of the second coating layer 7043 that is covered by light.
And an image sensor 707 for sensing light penetrating the filter structure to form an image signal.
In an alternative embodiment, the lens 7041 includes any one of a light transmissive sheet and a light filter.
In an alternative embodiment, when the camera is used for eye tracking, the at least one second coating 7043 covers the center of the first coating. For the application of the filtering structure to eyeball tracking, reference may be made to the third embodiment, which is not described herein again.
In an alternative embodiment, when the camera is used for gesture recognition, the at least one second coating 7043 covers the four corners of the first coating. The application of the filtering structure to gesture recognition may refer to embodiment three, which is not described herein again.
In an optional embodiment, when the camera is applied to the virtual reality, the at least one second film 7043 covers a position away from the center of the first film by a predetermined distance. The third embodiment can be referred to when the filtering structure is applied to virtual reality, and details are not repeated here.
In an alternative embodiment, the at least one second coating 7022 covers one end of the first coating when the camera is used for iris recognition. The third embodiment can be referred to when the filtering structure is applied to iris recognition, and details are not repeated here.
In an alternative embodiment, the image sensor 703 includes: any one of a Charge Coupled Device (CCD) sensor and a Metal-Oxide-Semiconductor (CMOS) sensor.
Here, the CCD sensor is a novel photoelectric conversion device, which is mainly composed of a photosensitive unit, an input structure, an output structure, and the like, can store signal charges generated by light, has functions of photoelectric conversion, information storage, time delay, and the like, and is characterized by high integration level and low power consumption. The CMOS sensor is a typical solid-state imaging sensor, generally comprises an image sensing unit array, a row driver, a column driver, a time sequence control logic, an AD converter, a data bus output interface, a control interface and the like, can be generally divided into a reset part, a photoelectric conversion part, an integration part and a reading part in the working process, and has the characteristics of higher sensitivity, shorter exposure time and gradually reduced pixel size.
In an alternative embodiment, the lens barrel includes: any one of a zoom lens, a wide-angle lens, and a standard lens.
Here, the zoom lens is a camera lens that can vary a focal length within a certain range, thereby obtaining different wide and narrow angles of view, different sized images, and different ranges of subjects. The zoom lens can change the shooting range by changing the focal length under the condition of not changing the shooting distance; the wide-angle lens is short in focal length, wide in visual angle and deep in depth of field, and is suitable for shooting pictures of large scenes; the standard lens is a photographic lens with the focal length approximately equal to the diagonal length of a shot picture, the visual angle of the standard lens is generally 45-50 degrees, and the standard lens has a memorable visual effect picture and is high in use frequency in actual shooting. In the actual application process, the type of the lens needs to be selected according to the actual situation.
In an alternative embodiment, the lens structure 701 includes at least one imaging lens, which includes a convex lens and/or a concave lens.
Here, the convex lens is a lens having a thicker center and a thinner edge, and is manufactured according to the principle of refraction of light, wherein the convex lens is classified into a biconvex, plano-convex, concave-convex, and the like. The concave lens is also called as a negative ball lens, and the middle of the lens is thin, the edge of the lens is thick and the lens is concave. In different lenses, when the convex lens and the concave lens are used in combination, the arrangement designs are different, and the convex lens and the concave lens need to be arranged according to actual conditions, and the embodiment of the invention is not particularly limited.
EXAMPLE seven
This embodiment describes an electronic device, which may include a smart phone, a tablet computer, a notebook computer, a video camera, and the like, as shown in fig. 8, the electronic device includes: a processor 801 and a camera 802;
wherein, camera 802 includes: the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer;
the processor 801 is configured to acquire an image signal from the camera, and process the acquired image signal according to an application scene of the camera.
In an alternative embodiment, the lens includes any one of a light transmissive sheet and a filter.
In an optional embodiment, when the camera is applied to eye tracking, the at least one second coating layer covers the central position of the lens.
Here, the processor 801 may extract feature information corresponding to an iris from a picture taken by the camera 802, and may infer a direction of eyeball rotation based on the feature information analysis, thereby implementing eyeball tracking, and may also implement automatic up and down movement of the electronic book according to a change of an eyeball.
In an optional embodiment, when the camera is applied to gesture recognition, the at least one second coating layer covers the positions of the four corners of the lens.
Here, the processor 801 obtains information about the gesture from the pictures of the gesture changes taken by the camera 802, and then finally recognizes the final gesture through gesture segmentation, gesture analysis and gesture recognition algorithms, and further performs corresponding control operations through the recognized gesture.
In an optional embodiment, when the camera is applied to a virtual reality, the at least one second coating layer covers a position away from the center of the lens by a preset distance.
Here, the processor 801 may more conveniently estimate the distance between the target scene and the camera by performing corresponding data processing and comparative analysis on the shot information of two different light rays through the picture shot by the camera 802 and having the shot information of visible light and infrared light. When the user moves correspondingly, the image changes correspondingly, and therefore, when the user position moves, the processor 801 controls and adjusts the distance between the lens structure and the scenery in the picture according to the calculated distance relationship, so as to regenerate the pictures with different distances and viewing angles.
In an optional embodiment, when the camera is applied to iris recognition, the at least one second coating layer covers one end of the lens.
Here, the processor 801 captures a picture capable of iris recognition through the camera 802, extracts iris information in the picture, further obtains corresponding iris features, and matches the obtained iris features with preset iris feature information, thereby implementing iris recognition.
In an optional embodiment, further comprising: a lens structure and an image sensor; wherein the content of the first and second substances,
the lens structure is used for adjusting the focal length of a target shot object;
the light filtering structure is arranged between the lens structure and the image sensor;
and the image sensor is used for sensing the light penetrating through the filtering structure to form an image signal.
In an alternative embodiment, the image sensor includes: any one of a charge coupled device CCD sensor and a metal oxide semiconductor device CMOS sensor.
In an alternative embodiment, the lens structure includes: any one of a zoom lens structure, a wide-angle lens structure, and a standard lens structure.
In summary, in the embodiments of the present invention, the film layers with different sizes and types are plated on the lens to change the light with different wavelengths entering the camera, so as to achieve shooting with different requirements according to the light with different wavelengths, for example, in the filtering structure of the camera, the area plated with the second film layer only allows infrared rays to enter, and other areas only allow other visible lights to enter, so that common shooting can be achieved according to the entering visible lights; according to the entering infrared rays, the camera can also realize the functions of eyeball tracking, gesture recognition, virtual reality and iris recognition. Therefore, the problems of common photographing, eyeball tracking, gesture recognition, virtual reality and iris recognition functions achieved through the combination of double cameras or the combination of a plurality of optical filters and an optical filter switcher are solved, the complexity of the camera module in the electronic equipment is reduced, meanwhile, the investment cost of the electronic equipment is also reduced, and further the acquisition cost of a user is also reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (21)
1. A camera, comprising:
the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer; different application functions are realized according to the number and the covering positions of the second coating layers, and when the camera is applied to eyeball tracking, the at least one second coating layer covers the center of the lens;
wherein the light passing through the first plating layer region includes visible light, and the light passing through the second plating layer region includes infrared light.
2. The camera according to claim 1, wherein the lens includes any one of a light transmissive sheet and a filter.
3. The camera of claim 1, further comprising: a lens structure and an image sensor; wherein the content of the first and second substances,
the lens structure is used for adjusting the focal length of a target shot object;
the light filtering structure is arranged between the lens structure and the image sensor;
and the image sensor is used for sensing the light penetrating through the filtering structure to form an image signal.
4. The camera of claim 3, wherein the image sensor comprises: any one of a charge coupled device CCD sensor and a metal oxide semiconductor device CMOS sensor.
5. The camera of claim 3, wherein the lens structure comprises: any one of a zoom lens structure, a wide-angle lens structure, and a standard lens structure.
6. A camera, comprising:
the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer; different application functions are realized according to the number and the covering positions of the second coating layers, and when the camera is applied to gesture recognition, the at least one second coating layer covers the positions of the four corners of the lens;
wherein the light passing through the first plating layer region includes visible light, and the light passing through the second plating layer region includes infrared light.
7. The camera according to claim 6, wherein the lens includes any one of a light transmissive sheet and a filter.
8. The camera of claim 6, further comprising: a lens structure and an image sensor; wherein the content of the first and second substances,
the lens structure is used for adjusting the focal length of a target shot object;
the light filtering structure is arranged between the lens structure and the image sensor;
and the image sensor is used for sensing the light penetrating through the filtering structure to form an image signal.
9. The camera of claim 8, wherein the image sensor comprises: any one of a charge coupled device CCD sensor and a metal oxide semiconductor device CMOS sensor.
10. The camera of claim 8, wherein the lens structure comprises: any one of a zoom lens structure, a wide-angle lens structure, and a standard lens structure.
11. A camera, comprising:
the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer; when the camera is applied to a virtual reality, the at least one second coating layer covers the position which is a preset distance away from the center of the lens;
wherein the light passing through the first plating layer region includes visible light, and the light passing through the second plating layer region includes infrared light.
12. The camera according to claim 11, wherein the lens includes any one of a light transmissive sheet and a filter.
13. The camera of claim 11, further comprising: a lens structure and an image sensor; wherein the content of the first and second substances,
the lens structure is used for adjusting the focal length of a target shot object;
the light filtering structure is arranged between the lens structure and the image sensor;
and the image sensor is used for sensing the light penetrating through the filtering structure to form an image signal.
14. The camera of claim 13, wherein the image sensor comprises: any one of a charge coupled device CCD sensor and a metal oxide semiconductor device CMOS sensor.
15. The camera of claim 13, wherein the lens structure comprises: any one of a zoom lens structure, a wide-angle lens structure, and a standard lens structure.
16. A camera, comprising:
the light filtering structure consists of a lens, a first coating layer and at least one second coating layer; wherein the content of the first and second substances,
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer; when the camera is applied to iris recognition, the at least one second coating layer covers one end of the lens and the second coating layer covers the first coating layer;
wherein the light passing through the first plating layer region includes visible light, and the light passing through the second plating layer region includes infrared light.
17. The camera of claim 16, wherein the lens comprises any one of a light transmissive sheet and a light filter.
18. The camera of claim 16, further comprising: a lens structure and an image sensor; wherein the content of the first and second substances,
the lens structure is used for adjusting the focal length of a target shot object;
the light filtering structure is arranged between the lens structure and the image sensor;
and the image sensor is used for sensing the light penetrating through the filtering structure to form an image signal.
19. The camera of claim 18, wherein the image sensor comprises: any one of a charge coupled device CCD sensor and a metal oxide semiconductor device CMOS sensor.
20. The camera of claim 18, wherein the lens structure comprises: any one of a zoom lens structure, a wide-angle lens structure, and a standard lens structure.
21. An electronic device, comprising: a camera and a processor;
the camera comprises a light filtering structure consisting of a lens, a first coating layer and at least one second coating layer;
the first coating layer covers the surface of the lens and is used for changing the surface structure of the lens so as to change the proportion of light penetrating and covering the area of the first coating layer;
the at least one second coating layer covers part of the surface of the lens covered by the first coating layer, and is used for changing the structure of the part of the surface so as to change the proportion of light penetrating and covering the area of the second coating layer; different application functions are realized according to the number and the covering positions of the second coating layers, and when the camera is applied to eyeball tracking, the at least one second coating layer covers the center of the lens; when the camera is applied to gesture recognition, the at least one second coating layer covers the positions of the four corners of the lens; when the camera is applied to the virtual reality, the at least one second coating layer covers the position which is a preset distance away from the center of the lens; when the camera is applied to iris recognition, the at least one second coating layer covers one end of the lens and the second coating layer covers the first coating layer;
wherein the light passing through the first coating layer region comprises visible light, and the light passing through the second coating layer region comprises infrared light;
and the processor is used for acquiring the image signal from the camera and processing the acquired image signal according to the application scene of the camera.
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| CN108108708A (en) * | 2017-12-29 | 2018-06-01 | 徐鹤菲 | Support the complex imaging system and mobile terminal of multispectral biological characteristic |
| CN110650282B (en) * | 2019-10-31 | 2021-02-19 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| US10893183B1 (en) * | 2019-11-18 | 2021-01-12 | GM Global Technology Operations LLC | On-vehicle imaging system |
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