WO2022108365A1 - 카메라 모듈 및 카메라 모듈을 포함하는 전자 장치 - Google Patents
카메라 모듈 및 카메라 모듈을 포함하는 전자 장치 Download PDFInfo
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- color filter
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Definitions
- Various embodiments of the present document relate to a camera module capable of implementing all-pixel AF with high resolution and an electronic device including the camera module.
- the camera module of the electronic device may include an image sensor, and the image sensor may perform functions such as auto-focusing (AF) and auto-exposure (AE) in addition to an image capturing function.
- AF auto-focusing
- AE auto-exposure
- phase detection auto focus PDAF
- PDAF phase detection auto focus
- phase difference AF may not be possible, or if phase difference AF is possible, high resolution may not be realized due to a decrease in resolution.
- a camera module that implements high resolution using a small pixel size and provides phase difference AF, and an electronic device including the camera module.
- An electronic device includes a camera module and at least one processor electrically connected to the camera module, wherein the camera module includes a micro lens array including a plurality of micro lenses, the micro lens a color filter array disposed under the array and including a plurality of color filters, a light receiving element array disposed under the color filter array and including a plurality of light receiving elements, wherein a first row of the microlens array includes a first a microlens and a second microlens adjacent to the first microlens, and in a first row of the color filter array corresponding to the first row of the microlens array, a first microlens disposed under the first microlens.
- the electronic device may include a fourth light receiving element disposed under the filter.
- a camera module includes a micro lens array including a plurality of micro lenses, a color filter array disposed under the micro lens array and including a plurality of color filters, and a color filter array disposed under the color filter array, , a light receiving element array including a plurality of light receiving elements, wherein a first row of the micro lens array includes a first micro lens and a second micro lens adjacent to the first micro lens, In a first row of the color filter array corresponding to the first row, a first color filter and a second color filter disposed under the first microlens, and a third color filter disposed under the second microlens; a fourth color filter is included, and in a first row of the light receiving element array corresponding to the first row of the color filter array, a first light receiving element disposed below the first color filter and below the second color filter and a camera module including a second light receiving element disposed in the , a third light receiving device disposed under the third color filter, and a fourth light receiving device
- An electronic device includes a camera module and a processor operatively connected to the camera module, wherein the camera module includes a micro lens array, a plurality of color filters, and the plurality of color filters Each includes a color filter array for selectively passing a wavelength of incident light passing through the microlens array and a light receiving element array disposed below the color filter array, wherein the microlens array is N/2 ⁇ M, the color
- the filter array may include an N ⁇ M array
- the light receiving element array may include an N ⁇ M electronic device.
- the pixels may serve as both a pixel for phase difference AF and a pixel for image acquisition.
- the electronic device simultaneously acquires high resolution and phase difference information with only a simple operation, thereby minimizing memory usage due to operation and simultaneously implementing high resolution and phase difference AF.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
- FIG. 2 is a block diagram illustrating a camera module according to various embodiments of the present disclosure
- FIG. 3 is a diagram illustrating a simplified configuration of an electronic device including a camera module, according to an exemplary embodiment.
- FIG. 4 is a diagram illustrating structures of a micro lens array, a color filter array, and a light receiving element array according to an exemplary embodiment.
- FIG. 5 is a diagram illustrating structures of a micro lens array, a color filter array, and a light receiving element array according to an exemplary embodiment.
- FIG. 6 is a diagram specifically illustrating structures of a micro lens array, a color filter array, and a light receiving element array, according to an exemplary embodiment.
- FIG. 7 is a diagram illustrating a process of calculating pixel values according to structures of a micro lens array, a color filter array, and a light receiving element array in an electronic device, according to an exemplary embodiment.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- a first network 198 eg, a short-range wireless communication network
- a second network 199 e.g., a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178
- may be omitted or one or more other components may be added to the electronic device 101 .
- some of these components are integrated into one component (eg, display module 160 ). can be
- the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to an embodiment, as at least part of data processing or operation, the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- software eg, a program 140
- the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
- the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
- the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123
- the auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, an image signal processor or a communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
- the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
- the memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
- the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
- the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- the receiver may be used to receive an incoming call. According to an embodiment, the receiver may be implemented separately from or as a part of the speaker.
- the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
- the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
- the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
- the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
- an external electronic device eg, a sound output module 155
- a sound may be output through the electronic device 102 (eg, a speaker or headphones).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
- the interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card
- the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module).
- GNSS global navigation satellite system
- a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
- a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a telecommunication network
- the wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
- the electronic device 101 may be identified or authenticated.
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
- NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low-latency
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- a high frequency band eg, mmWave band
- the wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
- the wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
- the wireless communication module 192 includes a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).
- a peak data rate eg, 20 Gbps or more
- loss coverage eg, 164 dB or less
- U-plane latency Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less.
- the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC)
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a specified high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- GPIO general purpose input and output
- SPI serial peripheral interface
- MIPI mobile industry processor interface
- the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or part of the operations performed by the electronic device 101 may be executed by one or more external electronic devices 102 , 104 , or 108 .
- the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
- one or more external electronic devices may be requested to perform at least a part of the function or the service.
- One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
- the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an Internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or the server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- FIG. 2 is a block diagram 200 illustrating a camera module 180, according to various embodiments.
- the camera module 180 includes a lens assembly 210 , a flash 220 , an image sensor 230 , an image stabilizer 240 , a memory 250 (eg, a buffer memory), or an image signal processor. (260).
- the lens assembly 210 may collect light emitted from a subject, which is an image to be captured.
- the lens assembly 210 may include one or more lenses.
- the camera module 180 may include a plurality of lens assemblies 210 . In this case, the camera module 180 may form, for example, a dual camera, a 360 degree camera, or a spherical camera.
- Some of the plurality of lens assemblies 210 may have the same lens properties (eg, angle of view, focal length, auto focus, f number, or optical zoom), or at least one lens assembly may be a different lens assembly. It may have one or more lens properties different from the lens properties of .
- the lens assembly 210 may include, for example, a wide-angle lens or a telephoto lens.
- the flash 220 may emit light used to enhance light emitted or reflected from the subject.
- the flash 220 may include one or more light emitting diodes (eg, a red-green-blue (RGB) LED, a white LED, an infrared LED, or an ultraviolet LED), or a xenon lamp.
- the image sensor 230 may acquire an image corresponding to the subject by converting light emitted or reflected from the subject and transmitted through the lens assembly 210 into an electrical signal.
- the image sensor 230 may include, for example, one image sensor selected from among image sensors having different properties, such as an RGB sensor, a black and white (BW) sensor, an IR sensor, or a UV sensor, the same It may include a plurality of image sensors having properties, or a plurality of image sensors having different properties.
- Each image sensor included in the image sensor 230 may be implemented using, for example, a charged coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor.
- CCD charged coupled device
- CMOS complementary metal oxide semiconductor
- the image stabilizer 240 moves at least one lens or the image sensor 230 included in the lens assembly 210 in a specific direction or Operation characteristics of the image sensor 230 may be controlled (eg, read-out timing may be adjusted, etc.). This makes it possible to compensate for at least some of the negative effects of the movement on the image being taken.
- the image stabilizer 240 uses a gyro sensor (not shown) or an acceleration sensor (not shown) disposed inside or outside the camera module 180 to the camera module 180 or the electronic device 101 . ) can be detected.
- the image stabilizer 240 may be implemented as, for example, an optical image stabilizer.
- the memory 250 may temporarily store at least a portion of the image acquired through the image sensor 230 for a next image processing operation. For example, when image acquisition is delayed according to the shutter or a plurality of images are acquired at high speed, the acquired original image (eg, bayer-patterned image or high-resolution image) is stored in the memory 250 and , a copy image corresponding thereto (eg, a low-resolution image) may be previewed through the display device 160 . Thereafter, when a specified condition is satisfied (eg, a user input or a system command), at least a portion of the original image stored in the memory 250 may be obtained and processed by, for example, the image signal processor 260 .
- the memory 250 may be configured as at least a part of the memory 130 or as a separate memory operated independently of the memory 130 .
- the image signal processor 260 may perform one or more image processing on an image acquired through the image sensor 230 or an image stored in the memory 250 .
- the one or more image processes may include, for example, depth map generation, 3D modeling, panorama generation, feature point extraction, image synthesis, or image compensation (eg, noise reduction, resolution adjustment, brightness adjustment, blurring ( blurring, sharpening, or softening.
- the image signal processor 260 may include at least one of the components included in the camera module 180 (eg, an image sensor). 230), for example, exposure time control, readout timing control, etc.
- the image processed by the image signal processor 260 is stored back in the memory 250 for further processing.
- the image signal processor 260 may be configured as at least a part of the processor 120 or as a separate processor operated independently of the processor 120.
- the image signal processor 260 may be configured as the processor 120 and a separate processor, the at least one image processed by the image signal processor 260 may be displayed through the display device 160 as it is by the processor 120 or after additional image processing.
- the electronic device 101 may include a plurality of camera modules 180 each having different properties or functions.
- a plurality of camera modules 180 including lenses (eg, lens assemblies 210 ) having different angles of view may be configured, and the electronic device 101 may be configured according to a user's selection. It can be controlled to change the angle of view of the camera module 180 performed in step 101 .
- at least one of the plurality of camera modules 180 may be a wide-angle camera, and at least the other may be a telephoto camera.
- at least one of the plurality of camera modules 180 may be a front camera, and at least the other may be a rear camera.
- the plurality of camera modules 180 at least one of a wide-angle camera, a telephoto camera, a color camera, a monochrome camera, or an IR (infrared) camera (eg, TOF (time of flight) camera, structured light camera) may include
- the IR camera may be operated as at least a part of a sensor module (eg, the sensor module 176 of FIG. 1 ).
- the TOF camera may be operated as at least a part of a sensor module (eg, the sensor module 176 of FIG. 1 ) for detecting the distance to the subject.
- FIG. 3 is a diagram illustrating a simplified configuration of an electronic device including a camera module, according to an exemplary embodiment.
- FIG. 3 shows components included in the electronic device 300
- the electronic device 300 may include components identical to or similar to those of the electronic device 101 described with reference to FIG. 1 .
- the electronic device 300 includes a processor 310 (eg, the processor 120 of FIG. 1 , the image signal processor 260 of FIG. 2 ), a camera module 320 , and a memory 330 (eg, : It may include at least the memory 130 of FIG. 1 ) and the display 340 (eg, the display module 160 of FIG. 1 ).
- the camera module 320 may include the same or similar components to the camera module 180 of FIG. 1 or the camera module 180 of FIG. 2 .
- the processor 310 may be electrically or operatively coupled with the camera module 320 , the memory 330 , and the display 340 .
- the processor 310 may control the components by being connected to the camera module 320 , the memory 330 , and the display 340 .
- the camera module 320 includes a micro lens array 321 in which a plurality of micro lenses are arranged, a color filter array 322 in which a plurality of color filters are arranged in a Bayer pattern, and a plurality of It may include a light-receiving element array 323 in which light-receiving elements are arranged.
- the micro lens array 321 may condense the received light or separate the light received by pixels corresponding to the color filter array 322 .
- the size of the basic unit of the micro lens of the micro lens array 321 may be a specific multiple of the size of the light receiving element of the light receiving element array 323 as the basic unit.
- the aspect ratio of the basic unit of the micro lens of the micro lens array 321 may be different from the aspect ratio of the light receiving element.
- the specific multiple of the basic unit of the micro lens may be equal to the specific multiple of the basic unit of the color filter of the color filter array 322 .
- the basic unit of the microlens may be a size corresponding to two horizontal pixels of the light receiving element.
- the color filter array 322 may implement a color by selectively passing a wavelength of the received light.
- a basic unit of a color filter of the color filter array 322 may be a specific multiple of a light receiving element of the light receiving element array 323 as a basic unit, and each color filter is configured to display different colors (eg: It may be composed of R (red), G (green), B (blue)).
- the summing region (summation wavelength region) of different colors may include all wavelength regions of visible light.
- the size of the basic unit of the color filter of the color filter array 322 may have the same aspect ratio.
- the color filter array 322 may form various patterns (eg, a specific pattern).
- the color filter array 322 may include an RGB pattern, a red, green, blue, emerald (RGB) pattern, a cyan, yellow, magenta (CYYM) pattern, a cyan, yellow, green, magenta (CYGM) pattern, or It may include a color filter array of a red, green, blue, white (RGBW) pattern.
- the light receiving element array 323 may receive light and convert it into an electrical signal.
- the horizontal direction of the light receiving element array 323 may have different lengths in the vertical direction perpendicular to the horizontal direction.
- the vertical direction of the light receiving element array 323 may be 1.5 times the horizontal direction.
- the horizontal direction of the light receiving element array 323 may mean, for example, a direction in which read-out of an image sensor (eg, the image sensor 230 of FIG. 2 ) is performed.
- the micro lens array 321 , the color filter array 322 , and the light receiving element array 323 of the camera module 320 may have a stacked structure.
- the color filter array 322 may be disposed on the light receiving element array 323
- the micro lens array 321 may be disposed on the color filter array 322 .
- the incident light entering the camera module 320 may sequentially pass through the micro lens array 321 , the color filter array 322 , and the light receiving element array 323 .
- the micro lens array 321 may pass incident light
- the color filter array 322 may selectively pass the wavelength of the incident light.
- the light receiving element array 323 may convert the light selectively passed by the color filter array 322 into an electrical signal.
- the processor 310 performs a data operation (eg, a pixel value operation) can be performed.
- a data operation eg, a pixel value operation
- the electronic device 300 may include an image signal processor (ISP) (not shown) (eg, the image signal processor 260 of FIG. 2 ).
- ISP image signal processor
- the image signal processor may be included in the camera module 320 or included in components other than the camera module 320 .
- the image signal processor may perform a data operation on the incident light under the control of the processor 310 .
- the image signal processor performs a data operation (eg, pixel value operation) on light that has sequentially passed through the micro lens array 321 , the color filter array 322 , and the light receiving element array 323 . ) can be done.
- the image signal processor may include units of color filters included in the color filter array 322 (eg, the color filter 621 , the color filter 622 of FIG. 6 , the color filter 623 , and the color).
- the pixel values may be calculated (eg, summed) using the filter 624 ), and converted into a Bayer pattern.
- effective pixels eg, the effective pixels of FIG. 7 (eg, the effective pixel 710 ); Data operation may be performed on pixel values in units of color filters corresponding to the effective pixels 720 and 730 .
- the memory 330 may be electrically connected to the processor 310 , and the processor 310 may store processed data in the memory 330 .
- the memory 330 may be a volatile memory or a non-volatile memory.
- the display 340 may be electrically connected to the processor 310 , and the processor 310 may display a screen on the display 340 based on the processed data.
- FIG. 4 is a diagram illustrating structures of a micro lens array, a color filter array, and a light receiving element array according to an exemplary embodiment.
- the structure shown in FIG. 4 represents a portion 400 of the structure when the stacked structure of the micro lens array, the color filter array, and the light receiving element array is viewed from the top.
- FIG. 4 shows four light receiving elements (eg, a light receiving element 431 , a light receiving element 432 , and a light receiving element among the structures of the microlens array, the color filter array, and the stacked structure of the light receiving element array when viewed from the top).
- a pattern of some 400 of the structures when the stacked structure of the microlens array, the color filter array, and the light receiving element array is viewed from the top may be repeated in the entire structure when the stacked structure is viewed from the top.
- the micro lens 411 and the micro lens 412 may be disposed adjacent to each other.
- the micro lens 411 may be disposed in an area that covers the color filter 421 and the color filter 422
- the micro lens 412 covers the color filter 423 and the color filter 424 . It can be placed in an area where The micro lens 411 and the micro lens 412 are disposed adjacent to each other while covering the four color filters (eg, the color filter 421 , the color filter 422 , the color filter 423 , and the color filter 424 ).
- the microlens 411 may be disposed in an area that covers the light receiving element 431 and the light receiving element 432 , and the microlens 412 includes the light receiving element 433 and the light receiving element 434 . It may be disposed in the area to be covered.
- the microlens 411 and the microlens 412 may be disposed adjacent to each other while covering the four light receiving elements (eg, the light receiving element 431 , the light receiving element 432 , the light receiving element 433 , and the light receiving element 434 ).
- four color filters may be arranged side by side in the same row.
- the color filter 421 , the color filter 422 , the color filter 423 , and the color filter 424 may be disposed under the microlens 411 and the microlens 412 .
- the color disposed under the micro lens 411 in the first row of the color filter array 322 corresponding to the first row of the micro lens array (eg, the micro lens array 321 of FIG. 3 ), the color disposed under the micro lens 411 .
- a filter 421 and a color filter 422 , and a color filter 423 and a color filter 424 disposed under the micro lens 412 may be included.
- a color filter 421 may be arranged in a second column, a color filter 422 in a third column, a color filter 423 in a third column, and a color filter 424 in a fourth column.
- the light receiving element 431 , the light receiving element 432 , the light receiving element 433 , and the light receiving element 434 include a color filter 421 , a color filter 422 , a color filter 423 , and a color filter. It may be disposed below the 424 .
- the light receiving element 431 is under the color filter 421
- the light receiving element 432 is under the color filter 422
- the light receiving element 433 is under the color filter 423
- the element 434 may be disposed under the color filter 424 .
- FIG. 5 is a diagram illustrating structures of a micro lens array, a color filter array, and a light receiving element array according to an exemplary embodiment.
- the structure shown in FIG. 5 includes a micro lens array (eg, the micro lens array 321 of FIG. 3 ), a color filter array (eg, the color filter array 322 of FIG. 3 ), and a light receiving element array A part 500 of the structure when the stacked structure of (eg, the light receiving element array 323 of FIG. 3 ) is viewed from the side is shown.
- a micro lens array eg, the micro lens array 321 of FIG. 3
- a color filter array eg, the color filter array 322 of FIG. 3
- a light receiving element array A part 500 of the structure when the stacked structure of (eg, the light receiving element array 323 of FIG. 3 ) is viewed from the side is shown.
- a micro lens array eg, the micro lens array 321 of FIG. 3
- a color filter array eg, the color filter array 322 of FIG. 3
- a light receiving element array eg, the light receiving of FIG. 3
- the color filter 421 and the color filter 422 may be disposed under the micro lens 411 , and the color filter 423 and the color filter 424 may be disposed under the micro lens 412 . can be placed.
- the light receiving element 431 and the light receiving element 432 may be disposed under the color filter 421 and the color filter 422 , and are disposed below the color filter 423 and the color filter 424 .
- a light receiving element 433 and a light receiving element 434 may be disposed.
- a light receiving element 434 may be disposed below.
- the first row of the light receiving element array eg, the light receiving element array 323 of FIG.
- the color filter array eg, the color filter array 322 of FIG. 3
- a light receiving element 431 arranged under the color filter 421 in the first column
- a light receiving element 432 arranged under the color filter 422 in the second column
- a color filter 423 in the third column.
- the light receiving element 433 disposed below the color filter 424 may be included in the fourth column.
- the color filters (eg, the color filter 421 , the color filter 422 , the color filter 423 , and the color filter 424 ) may be one color filter having the same color.
- FIG. 6 is a diagram specifically illustrating structures of a micro lens array, a color filter array, and a light receiving element array, according to an exemplary embodiment.
- FIG. 6 shows a structure of a stacked structure of a micro lens array, a color filter array, and a light receiving element array when viewed from the top.
- region 610 includes four light-receiving elements (eg, light-receiving element 631 , light-receiving element 632 , light-receiving element 633 , and light-receiving element 634 ), and four color filters (eg, color). It may include a filter 621 , a color filter 622 , a color filter 623 , and a color filter 624 ) and two micro lenses (eg, a micro lens 611 , a micro lens 612 ).
- the area 610 may be an area corresponding to the first to fourth columns in the first row of the color filter array (eg, the color filter array 322 ).
- a color filter array (eg, a color filter array) corresponding to the first column to the fourth column of the first row of the micro lens array (eg, the micro lens array 321 of FIG. 3 ). 322 ), in the first to fourth columns of the first row, a color filter 621 and a color filter 622 disposed under the microlens 611 , and a color disposed under the microlens 612 .
- a filter 623 and a color filter 624 may be included.
- a light receiving element 631 , a light receiving element 632 , a light receiving element 633 , and a light receiving element 634 may be included.
- a light receiving element array (eg, in FIG. 3 ) corresponding to the first column to the fourth column of the first row of the color filter array (eg, the color filter array 322 of FIG. 3 ).
- a light receiving element 631 disposed under the color filter 621 , and a light receiving element 632 disposed under the color filter 622 ) a light receiving element 633 disposed under the color filter 623 and a light receiving element 634 disposed under the color filter 624 may be included.
- the light receiving elements eg, the light receiving elements 431 to 434 of FIG.
- the light receiving element may have a size of about 0.8 ⁇ m (columns) ⁇ about 0.6 ⁇ m (rows).
- the microlens may be formed to have a size of about 0.8 ⁇ m (column) x about 1.2 ⁇ m (row), and two light receiving lenses may be configured per one micro lens.
- the electronic device 300 performs an operation (eg, a pixel) based on an electrical signal from the light-receiving element array (eg, the light-receiving element array 323 ) under the control of the processor 310 .
- the data required for value calculation can be obtained.
- the electronic device 300 may acquire the data S1 from a light receiving element (eg, a first light receiving element) disposed below the color filter 621 under the control of the processor 310 , and the color The data S2 may be acquired from a light receiving element (eg, a second light receiving element) disposed below the filter 622 .
- the electronic device 300 may acquire data S3 from a light receiving element (eg, a third light receiving element) disposed below the color filter 623 under the control of the processor 310 , and the color filter 624 .
- the data S4 may be acquired from a light receiving element (eg, a fourth light receiving element) disposed under the .
- Colors of color filters included in the region 610 according to an embodiment may be the same.
- the color of the color filter 621 , the color filter 622 , the color filter 623 , and the color filter 624 may be the same as G (green).
- the color filter 621 , the color filter 622 , the color filter 623 , and the color filter 624 may be one color filter area having one color.
- the region 630 is in the first to third rows of the color filter array (eg, the color filter array 322 of FIG. 3 ) or the light receiving element array (eg, the light receiving element array 323 ). In this case, it may be an area corresponding to the first to fourth columns.
- the region 630 has a structure of the region 610 corresponding to the first to fourth columns in the first row of the color filter array (eg, the color filter array 322 of FIG. 3 ).
- Colors of color filters included in the region 630 may be the same.
- the color of the color filters included in the region 630 may be the same as G (green).
- the region 640 may be an area corresponding to the first to fourth columns in the fourth to sixth rows of the color filter array (eg, the color filter array 322 of FIG. 3 ). .
- the region 650 may correspond to the fifth to eighth columns in the first to third rows of the color filter array (eg, the color filter array 322 of FIG. 3 ). .
- the region 660 may be an area corresponding to the fifth to eighth columns in the fourth to sixth rows of the color filter array (eg, the color filter array 322 of FIG. 3 ). .
- the region 640 , the region 650 , and the region 660 may be disposed around the region 630 .
- the region 640 and the region 650 may be disposed adjacent to the region 630
- the region 660 may be disposed adjacent to the region 640 and the region 650 .
- each of the region 630 , the region 640 , the region 650 , and the region 660 may be viewed as a group.
- the region 630 may be viewed as a first group, the region 640 as a second group, the region 650 as a third group, and the region 660 as a fourth group.
- the color filter array eg, the color filter array 322 of FIG.
- the light receiving element array (eg, the light receiving element array 323 ) are composed of the above groups, in the first column of the first row It can be seen that the first group, the second group are arranged in the second column of the first row, the third group is arranged in the first column of the second row, and the fourth group is arranged in the second column of the second row.
- Colors of color filters included in region 640 may be different from colors of color filters included in region 630 , 650 , and 660 .
- the color of the color filters included in the region 640 may be the same as B (blue).
- Colors of color filters included in region 650 may be different from colors of color filters included in region 630 , 640 , and 660 .
- the color of the color filters included in the region 650 may be the same as R (red).
- Colors of color filters included in region 660 may be the same as colors of color filters included in region 630 , and colors of color filters included in region 640 and 650 . may be different from For example, the color of the color filters included in the area 660 may be the same as G (green).
- a pattern including the region 630 , the region 640 , the region 650 , and the region 660 may be repeated in the color filter array (eg, the color filter array 322 of FIG. 3 ).
- the color filter array eg, the color filter array 322 of FIG. 3
- the color filter array may include a region 630 including color filters having a color G, an area 640 including color filters having a color B, and a color
- the pattern including the region 650 including the color filters of R and the region 660 including the color filters having the color G may be repeated as a whole.
- the electronic device (eg, the electronic device 300 of FIG. 3 ) generates color data required for image output based on effective pixels under the control of a processor (eg, the processor 310 of FIG. 3 ) can do.
- a processor eg, the processor 310 of FIG. 3
- the electronic device 300 receives color data regarding the area 630 or area 660 necessary for image output based on effective pixels corresponding to the color G (eg, effective pixels of 3 ⁇ 3 shape).
- the electronic device 300 may generate color data regarding the area 640 necessary for image output based on effective pixels (eg, effective pixels of a 3 ⁇ 3 shape) corresponding to the color of B, and R Color data regarding the region 650 required for image output may be generated based on effective pixels (eg, effective pixels of 3 ⁇ 3 shape) corresponding to the color of .
- the electronic device may generate AF data required for AF under the control of a processor (eg, the processor 310 of FIG. 3 ).
- the electronic device 300 may generate AF data under the control of the processor 310 based on a structure in which two light receiving elements correspond to one micro lens (eg, micro lens 611 ).
- the electronic device 300 may generate AF data regarding all pixels of the color filter array (eg, the color filter array 322 of FIG. 3 ) or the light receiving element array (eg, the light receiving element array 323 of FIG. 3 ).
- the electronic device may sequentially output color data and AF data under the control of a processor (eg, the processor 310 of FIG. 3 ).
- FIG. 7 is a diagram illustrating a process of calculating pixel values according to structures of a micro lens array, a color filter array, and a light receiving element array in an electronic device, according to an exemplary embodiment.
- the electronic device controls a micro lens array (eg, the micro lens array 321 of FIG. 3 ) under the control of a processor (eg, the processor 310 of FIG. 3 ). )), the color filter array (eg, the color filter array 322 of FIG. 3 ), and the light receiving element array (eg, the light receiving element array 323 of FIG. 3 ) may be acquired.
- a micro lens array eg, the micro lens array 321 of FIG. 3
- a processor eg, the processor 310 of FIG. 3
- the color filter array eg, the color filter array 322 of FIG. 3
- the light receiving element array eg, the light receiving element array 323 of FIG. 3
- the electronic device eg, the electronic device 300 of FIG. 3
- a light receiving element array eg, the light receiving element array 323 of FIG. 3
- a processor eg, the processor 310 of FIG. 3
- data on light may be obtained based on an electrical signal generated by photoelectric conversion of the light receiving elements.
- the electronic device eg, the electronic device 300 of FIG. 3
- a processor eg, the processor 310 of FIG. 3
- the phase difference of pixels, the center of gravity of the effective pixels, and the effective Pixel values may be obtained through weight calculation in consideration of pixels.
- effective pixels may include data (eg, data S1 , data S2 ) corresponding to the respective pixels. ), data S3 , and data S4 ) may be a virtual pixel area defined by a processor (eg, processor 310 ) of an electronic device (eg, electronic device 300 ).
- the electronic device 300 performs data S1 , data S2 , data S3 , and data S4 corresponding to respective pixels under the control of a processor (eg, the processor 310 ).
- pixel values of the effective pixel 710 , the effective pixel 720 , and the effective pixel 730 may be obtained.
- the electronic device (eg, the electronic device 300 ) includes not only effective pixels such as the effective pixel 710 , the effective pixel 720 , and the effective pixel 730 described above, but also a processor (eg, the processor 310)), pixel values of 3 ⁇ 3 effective pixels corresponding to the region 630 may be obtained. Also, the electronic device (eg, the electronic device 300 ) may display pixel values of 3 ⁇ 3 effective pixels corresponding to the region 630 , the region 640 , the region 650 , and the region 660 and/or the electronic device ( Pixel values of 3 ⁇ 3 effective pixels corresponding to all pixels of 300 may be obtained under the control of a processor (eg, the processor 310 ).
- a processor eg, the processor 310
- the electronic device may convert the above-described 3 ⁇ 3 effective pixels into 1 ⁇ 1 effective pixels under the control of the processor (eg, the processor 310 ). have.
- the electronic device eg, the electronic device 300
- the electronic device eg, the electronic device 300 of FIG. 3
- the image data and AF data The respective processing may be performed differently, and details will be described later.
- the electronic device obtains data (eg, data S1 ) obtained from four pixels under the control of a processor (eg, the processor 310 of FIG. 3 ). ), data S2, data S3, and data S4).
- the electronic device controls effective pixels (eg, the effective pixel 710 and the effective pixel 720 ) under the control of the processor (eg, the processor 310 of FIG. 3 ).
- respective pixel values eg, a first pixel value, a second pixel value, and a third pixel value
- corresponding to the effective pixel 730 may be obtained.
- the electronic device eg, the electronic device 300 of FIG. 3
- the data S1 may be acquired from the light receiving element (eg, the first light receiving element) corresponding to the first column of the first row under the control of the processor 310 of the .
- the electronic device eg, the electronic device 300 of FIG. 3
- has a light receiving element eg, a second light receiving element
- Data S2 may be obtained from
- the electronic device eg, the electronic device 300 of FIG.
- a light receiving element eg, the third light receiving element
- the processor eg, the processor 310 of FIG. 3
- data S4 may be obtained from a light receiving element (eg, a fourth light receiving element) corresponding to the fourth column of the first row.
- the electronic device controls the data S1 , the data S2 , and the data S3 under the control of a processor (eg, the processor 310 of FIG. 3 ).
- the first pixel value may be obtained.
- the electronic device 300 performs (2/3 ⁇ S1)+(1/2 ⁇ S2) for data S1 , data S2 , and data S3 under the control of the processor 310 .
- a pixel value (eg, a first pixel value) of the effective pixel 710 may be obtained through a weight operation of +(-1/6 ⁇ S3).
- the electronic device 300 calculates weights for the data S1, the data S2, and the data S3 under the control of the processor 310 also in terms of resolution improvement and artifact improvement.
- the electronic device (eg, the electronic device 300 of FIG. 3 ) is configured based on the data S2 and data S3 under the control of the processor (eg, the processor 310 of FIG. 3 ). You can get 2 pixel values.
- the electronic device 300 includes pixels that share a micro lens (eg, the micro lens 611 of FIG. 6 ) (eg, the color filter 621 and pixels corresponding to the color filter 622 ). Weight calculation may be performed in consideration of the phase difference. As a specific example, pixels corresponding to the color filter 621 and the color filter 623 may have a similar phase, and pixels corresponding to the color filter 622 and the color filter 624 may also have a similar phase.
- the electronic device 300 performs a weight calculation of (1/2 ⁇ S2)+(1/2 ⁇ S3) on the data S2 and the data S3 under the control of the processor 310 to calculate the effective pixel 720 . It is possible to obtain a pixel value (eg, a second pixel value) of . In terms of resolution improvement, the electronic device 300 performs (1 ⁇ S1)+(-1) for data S1, data S2, data S3, and data S4 under the control of the processor 310. A pixel value (eg, a second pixel value) of the effective pixel 720 may be obtained through weight calculation of /2 ⁇ S2)+(-1/2 ⁇ S3)+(1 ⁇ S4).
- the electronic device 300 performs (1/3 ⁇ S1) for data S1, data S2, data S3, and data S4 under the control of the processor 310. ) + (1/6 ⁇ S2) + (1/6 ⁇ S3) + (1/3 ⁇ S4) It is also possible to obtain the pixel value (eg, the second pixel value) of the effective pixel 720 through the weight calculation have.
- the electronic device eg, the electronic device 300 of FIG. 3
- the electronic device 300 performs (-1/6 ⁇ S2)+(1/2 ⁇ S3) for data S2, data S3, and data S4 under the control of the processor 310.
- a pixel value (eg, a third pixel value) of the effective pixel 730 may be obtained through weight calculation of )+(2/3 ⁇ S4).
- the electronic device 300 performs (-1/6 ⁇ ) data S2, S3, and S4 under the control of the processor 310.
- a pixel value (eg, a third pixel value) of the effective pixel 730 may be obtained through weight calculation of S2)+(1/2 ⁇ S3)+(2/3 ⁇ S3).
- the electronic device 300 may differently process effective pixel data of an artifact, focusing on resolution improvement, according to the control of the processor 310 .
- the electronic device acquires pixel values (eg, the first pixel value, the second color data required for image output may be generated based on the pixel value and the third pixel value).
- image data and processing related to AF data can be performed differently.
- the electronic device 300 receives more image information (eg, nine light-receiving elements) than the number of light-receiving elements (eg, six) under the control of the processor 310 . corresponding information) can be obtained by interpolating. Also, the electronic device 300 may acquire a phase difference signal (eg, PDAF data) required for AF from at least two or more light receiving elements among the light receiving elements (eg, six) under the control of the processor 310 .
- a phase difference signal eg, PDAF data
- the electronic device 300 performs binning processing on the light receiving elements (eg, six) according to the control of the processor 310 , and collects one color data. can be obtained Also, the electronic device 300 may acquire a phase difference signal (eg, PDAF data) required for AF from at least two or more light receiving elements among the light receiving elements (eg, six) under the control of the processor 310 . In an embodiment, when generating high-resolution and low-resolution images, the electronic device 300 may sequentially acquire processed image-related data and AF data under the control of the processor 310 .
- a phase difference signal eg, PDAF data
- the electronic device 300 may control activation and/or deactivation of an AF-related operation under the control of the processor 310 .
- a pixel group independently generating an electrical signal (eg, a pixel signal), in which a plurality of pixels are disposed in an x (or horizontal) direction or a y (or vertical) direction perpendicular to each other, is a single micro lens It may be defined as a first pixel group positioned below (eg, the left side of FIG. 7 ) and a second (square) pixel group (eg, the right side of FIG. 7 ) located below the single-color color filter.
- a length in the x-direction of the first pixel group may be longer than a length in the y-direction.
- the length of the first pixel group in the x direction may be 1.2 ⁇ m
- the length in the y direction may be 0.8 ⁇ m.
- this is an example and is not limited thereto.
- the number of pixels in the x-direction of the first pixel group may be greater than the number of pixels in the y-direction.
- the number of pixels in the x-direction may be twice the number of pixels in the y-direction.
- this is an example and is not limited thereto.
- the first pixel group may be arranged in the x-direction and the y-direction, and for example, an area of the first pixel group may be arranged to substantially coincide with an area of the second pixel group.
- the processor (eg, the processor 310 ) of the electronic device receives the second pixel signal of the same region from the second pixel signal within the region of the second pixel group.
- a 3 pixel signal can be generated.
- the processor 310 of the electronic device 300 when generating the third pixel signal, the processor 310 of the electronic device 300 generates less than the number of pixels in the second pixel group region by combining pixel signals of a plurality of adjacent first pixel groups. can do.
- the processor 310 of the electronic device 300 may perform combining only with pixel signals arranged in the x-direction.
- the present invention is not limited thereto.
- the electronic device 300 may generate a phase difference signal (eg, PDAF data) based on a signal of the first pixel group under the control of the processor 310 .
- a phase difference signal eg, PDAF data
- the electronic device eg, the electronic device 300
- the electronic device may maintain an aspect ratio of effective pixel data under the control of the processor (eg, the processor 310 ).
- the horizontal and vertical lengths may be the same at an aspect ratio of 3x4, and the electronic device 300 may
- the acquired pixel value may be a pixel value according to an aspect ratio of 3x3 in the same horizontal and vertical lengths.
- the electronic device 300 may acquire image data corresponding to a specific arrangement (eg, 3x3) by performing data processing on the light receiving elements of another arrangement (eg, 3x4).
- the electronic device acquires pixel values (eg, the first pixel value, the second color data required for image output may be generated based on the pixel value and the third pixel value).
- the electronic device 300 may output the nona-shaped pixel pattern as a Bayer pattern by performing remosaic.
- the control of the processor 310 in the electronic device 300 , as described above in the area 630 , the first pixel value and the second pixel corresponding to the first column to the fourth column of the first row. value, and a third pixel value.
- the electronic device 300 sets pixel values (eg, a fourth pixel) corresponding to the first to fourth columns of the second row and the third row of the region 630 under the control of the processor 310 . value to the ninth pixel value) may be obtained in the same manner.
- the electronic device 300 may acquire pixel values corresponding to the region 640 , the region 650 , and the region 660 in the same manner as the region 630 under the control of the processor 310 . have.
- the electronic device 300 may obtain total pixel values of each of the area 630 , the area 640 , the area 650 , and the area 660 .
- the electronic device 300 may output the total pixel values of each of the area 630 , the area 640 , the area 650 , and the area 660 as a Bayer pattern.
- the electronic device includes a camera module (eg, camera module 320), and the camera module (
- a micro lens including at least one processor (eg, the processor 310) electrically connected to the camera module 320
- the camera module includes a plurality of micro lenses an array (eg, micro lens array 321), a color filter array disposed under the micro lens array and including a plurality of color filters (eg, color filter array 322), and the color filter array (eg, color filters) Array 322), including a light-receiving element array (eg, light-receiving element array 323) including a plurality of light-receiving elements
- the microlens array eg, micro-lens array 321)
- a first row includes a first microlens and a second microlens adjacent to the first microlens, and the color filter array corresponding to the first row
- the color filter array eg: In the first row of the light receiving element array (eg, the light receiving element array 323 ) corresponding to the first row of the color filter array 322 ), the first color filter (eg, the color filter 421 ) is below the first row.
- a first light receiving element eg, light receiving element 431 disposed in disposed below a third color filter (eg, color filter 423);
- a third light receiving element eg, the light receiving element 433) and a fourth light receiving element (eg, the light receiving element 434) disposed below the fourth color filter (eg, the color filter 424) may be included.
- the at least one processor is provided to the first light receiving element (eg, the light receiving element 431 ).
- the first data obtained by the second data obtained by the second light receiving element (eg, the light receiving element 432 ), and the third obtained by the third light receiving element (eg, the light receiving element 433 ).
- a first pixel value is obtained based on data
- a second pixel value is obtained based on the second data and the third data
- the second data, the third data, and the fourth light receiving element eg, :
- a third pixel value may be obtained based on the fourth data obtained by the light receiving element 434).
- the at least one processor may set the first pixel value, the first data, and the second It may be obtained by applying a different weight to each of the data and the third data.
- the at least one processor is configured to convert the second pixel value to the second data and the third It can be obtained by applying the same weight to each data.
- the at least one processor may include the third pixel value, the second data, and the third It may be obtained by applying a different weight to each of the data and the fourth data.
- the at least one processor includes the first light receiving element (eg, the light receiving element 431); AF data based on the second light receiving element (eg, light receiving element 432), the third light receiving element (eg, light receiving element 433), and the fourth light receiving element (eg, light receiving element 434) can create
- the at least one processor may include the first pixel value, the second pixel value, and the second Color data may be generated based on 3 pixel values, and the color data and the AF data may be sequentially output.
- the processor may include first data, second data obtained by the second light-receiving element (eg, light-receiving element 432), third data obtained by the third light-receiving element (eg, light-receiving element 433), and the A first pixel value, a second pixel value, and a third pixel value may be obtained based on the fourth data obtained by the fourth light receiving element (eg, the light receiving element 434 ).
- the first color filter (eg, the color filter 421) of the color filter array (eg, the color filter array 322); the second color filter (eg, color filter 422 ), the third color filter (eg, color filter 423 ), and the fourth color filter (eg, color filter 424 ) are a first color; , the first color filter (eg, the color filter 421 ) among the second and third rows positioned next to the first row of the color filter array (eg, the color filter array 322 ); 2 color filters (eg, color filter 422 ), the third color filter (eg, color filter 423 ), and the fourth color filter (eg, color filter 424 ) are arranged in the same column as any one of them.
- the used color filter may include a first group that is a first color.
- the electronic device includes the same number of second color filters as the first group. and a third group including color filters having the same number of third colors as the first group, wherein the first group, the second group, and the third group include a specific pattern. can be formed
- the camera module includes an image signal processor (eg, processor 310) and a plurality of microlenses.
- a micro-lens array including a micro-lens array (eg, micro-lens array 321), a color filter array (eg, color filter array 322) disposed under the micro-lens array and including a plurality of color filters, the color filter array ( For example, it is disposed under the color filter array 322 and includes a light-receiving element array (eg, the light-receiving element array 323 ) including a plurality of light-receiving elements, and the micro lens array (eg, the micro lens array 321 ).
- the microlens array (eg, microlens array 321) corresponding to the first row In a first row of a color filter array (eg, color filter array 322 ), a first color filter (eg, color filter 421 ) and a second color filter (eg, color) disposed under the first microlens filter 422), and a third color filter (eg, color filter 423) and a fourth color filter (eg, color filter 424) disposed under the second microlens, wherein the color filter In the first row of the light receiving element array (eg, the light receiving element array 323 ) corresponding to the first row of the array (eg, the color filter array 322 ), the first color filter (eg, the color filter ( 421)) a first light receiving element (eg, light receiving element 431) disposed below, and a second light receiving element (eg, light receiving element 432) disposed below the
- the image signal processor (eg, the processor 310) is acquired by the first light receiving element (eg, the light receiving element 431). to the first data, second data obtained by the second light receiving element (eg, light receiving element 432), and third data obtained by the third light receiving element (eg, light receiving element 433).
- a first pixel value is obtained based on the first pixel value
- a second pixel value is obtained based on the second data and the third data
- the second data, the third data, and the fourth light receiving element (eg, light receiving element) are obtained.
- a third pixel value may be obtained based on the fourth data obtained by the device 434 .
- the image signal processor may include: the first pixel value, the first data, the second data; and applying a different weight to each of the third data.
- the image signal processor may obtain the second pixel value, the second data and the third data, respectively. It can be obtained by applying the same weight to
- the image signal processor may include the third pixel value, the second data, the third data, and applying a different weight to each of the fourth data.
- the electronic device includes a camera module (eg, camera module 320), and the camera module ( Example: camera module 320) and a processor (eg, processor 310) operatively connected, wherein the camera module (eg, camera module 320) includes a micro lens array (eg, micro lens array ( 321)), a color filter array (eg, color a filter array 322), and a light-receiving element array (eg, light-receiving element array 323) disposed below the color filter array (eg, color filter array 322), wherein the micro-lens array (eg: The microlens array 321) is N/2 ⁇ M, the color filter array (eg, color filter array 322) is N ⁇ M, and the light-receiving element array (eg, the light-receiving element array 323) is It can be arranged in N ⁇ M.
- the micro-lens array eg: The microlens array 321) is N/2 ⁇ M
- the color filter array eg, color filter
- the processor eg, the processor 310
- the photoelectric conversion of the light-receiving element array eg, the light-receiving element array 323 .
- First data, second data, third data, and fourth data may be obtained based on the signal.
- the processor eg, the processor 310) is configured to: obtain a first pixel value, obtain a second pixel value based on the second data and the third data, and obtain a third pixel value based on the second data, the third data, and the fourth data can be obtained
- the processor may convert the first pixel value to the first data, the second data, and a third obtained by applying a different weight to each data, the second pixel value is obtained by applying the same weight to each of the second data and the third data, and the third pixel value is obtained by applying the same weight to the second data and the third data. It may be obtained by applying a different weight to each of the data and the fourth data.
- the processor may output the effective pixel data while maintaining the aspect ratio.
- the electronic device may be a device of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
- a portable communication device eg, a smart phone
- a computer device e.g., a laptop, a desktop, a tablet, or a portable multimedia device
- portable medical device e.g., a portable medical device
- camera e.g., a camera
- a wearable device e.g., a smart watch
- a home appliance device e.g., a smart bracelet
- first”, “second”, or “first” or “second” may simply be used to distinguish the component from other components in question, and may refer to components in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, for example, and interchangeably with terms such as logic, logic block, component, or circuit.
- a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- one or more instructions stored in a storage medium may be implemented as software (eg, the program 140) including
- a processor eg, processor 120
- a device eg, electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
- a signal eg, electromagnetic wave
- the method according to various embodiments disclosed in this document may be provided by being included in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online.
- a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
- each component eg, a module or a program of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. .
- one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg, a module or a program
- the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
- operations performed by a module, program, or other component are executed sequentially, in parallel, repetitively, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.
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Abstract
Description
Claims (15)
- 전자 장치에 있어서,카메라 모듈; 및 상기 카메라 모듈과 전기적으로 연결된 적어도 하나의 프로세서를 포함하고,상기 카메라 모듈은:복수 개의 마이크로 렌즈들을 포함하는 마이크로 렌즈 어레이;상기 마이크로 렌즈 어레이 아래에 배치되고 복수 개의 컬러 필터들을 포함하는 컬러 필터 어레이;상기 컬러 필터 어레이 아래에 배치되고, 복수 개의 수광 소자들을 포함하는 수광 소자 어레이를 포함하고,상기 마이크로 렌즈 어레이의 제1 행에는 제1 마이크로 렌즈 및 상기 제1 마이크로 렌즈에 인접한 제2 마이크로 렌즈가 포함되고,상기 마이크로 렌즈 어레이의 상기 제1 행에 대응하는 상기 컬러 필터 어레이의 제1 행에는, 상기 제1 마이크로 렌즈 아래에 배치되는 제1 컬러 필터 및 제2 컬러 필터, 및 상기 제2 마이크로 렌즈 아래에 배치되는 제3 컬러 필터 및 제4 컬러 필터가 포함되고,상기 컬러 필터 어레이의 상기 제1 행에 대응하는 상기 수광 소자 어레이의 제1 행에는, 상기 제1 컬러 필터 아래에 배치되는 제1 수광 소자, 상기 제2 컬러 필터 아래에 배치되는 제2 수광 소자, 상기 제3 컬러 필터 아래에 배치되는 제3 수광 소자, 상기 제4 컬러 필터 아래에 배치되는 제4 수광 소자가 포함되는, 전자 장치.
- 청구항 1에 있어서,상기 적어도 하나의 프로세서는,상기 제1 수광 소자에 의해 획득된 제1 데이터, 상기 제2 수광 소자에 의해 획득된 제2 데이터, 및 상기 제3 수광 소자에 의해 획득된 제3 데이터에 기반하여 제1 픽셀 값을 획득하고,상기 제2 데이터 및 상기 제3 데이터에 기반하여 제2 픽셀 값을 획득하고,상기 제2 데이터, 상기 제3 데이터, 및 상기 제4 수광 소자에 의해 획득된 제4 데이터에 기반하여 제3 픽셀 값을 획득하는, 전자 장치.
- 청구항 2에 있어서,상기 적어도 하나의 프로세서는,상기 제1 픽셀 값을,상기 제1 데이터, 상기 제2 데이터, 및 제3 데이터 각각에 다른 가중치를 적용하여 획득하는, 전자 장치.
- 청구항 2에 있어서,상기 적어도 하나의 프로세서는,상기 제2 픽셀 값을,상기 제2 데이터 및 상기 제3 데이터 각각에 동일한 가중치를 적용하여 획득하는, 전자 장치.
- 청구항 2에 있어서,상기 적어도 하나의 프로세서는,상기 제3 픽셀 값을,상기 제2 데이터, 상기 제3 데이터, 및 상기 제4 데이터 각각에 다른 가중치를 적용하여 획득하는, 전자 장치.
- 청구항 2에 있어서,상기 적어도 하나의 프로세서는,상기 제1 수광 소자, 상기 제2 수광 소자, 상기 제3 수광 소자, 및 상기 제4 수광 소자에 기반하여 AF 데이터를 생성하는, 전자 장치.
- 청구항 6에 있어서,상기 적어도 하나의 프로세서는,상기 제1 픽셀 값, 상기 제2 픽셀 값, 및 상기 제3 픽셀 값에 기반하여 색상 데이터를 생성하고,상기 색상 데이터 및 상기 AF 데이터를 순차적으로 출력하는, 전자 장치.
- 청구항 1에 있어서,상기 프로세서는,상기 제1 수광 소자에 의해 획득된 제1 데이터, 상기 제2 수광 소자에 의해 획득된 제2 데이터, 상기 제3 수광 소자에 의해 획득된 제3 데이터, 및 상기 제4 수광 소자에 의해 획득된 제4 데이터에 기반하여 제1 픽셀 값, 제2 픽셀 값, 및 제3 픽셀 값을 획득하는, 전자 장치.
- 청구항 1에 있어서,상기 컬러 필터 어레이의 상기 제1 컬러 필터, 상기 제2 컬러 필터, 상기 제3 컬러 필터, 및 상기 제4 컬러 필터는 제1 색상이고,상기 컬러 필터 어레이의 상기 제1 행의 다음에 위치하는 제2 행 및 제3 행 중 상기 제1 컬러 필터, 상기 제2 컬러 필터, 상기 제3 컬러 필터, 및 상기 제4 컬러 필터 중 어느 하나와 동일한 열에 배치되는 컬러 필터는 제1 색상인 제1 그룹을 포함하는, 전자 장치.
- 청구항 9에 있어서,상기 제1 그룹과 동일한 개수의 제2 색상인 컬러 필터들을 포함하는 제2 그룹을 포함하고,상기 제1 그룹과 동일한 개수의 제3 색상인 컬러 필터들을 포함하는 제3 그룹을 포함하고,상기 제1 그룹, 상기 제2 그룹, 상기 제3 그룹은 특정 패턴을 형성하는, 전자 장치.
- 카메라 모듈에 있어서,이미지 신호 프로세서;복수 개의 마이크로 렌즈들을 포함하는 마이크로 렌즈 어레이;상기 마이크로 렌즈 어레이 아래에 배치되고 복수 개의 컬러 필터들을 포함하는 컬러 필터 어레이;상기 컬러 필터 어레이 아래에 배치되고, 복수 개의 수광 소자들을 포함하는 수광 소자 어레이를 포함하고,상기 마이크로 렌즈 어레이의 제1 행에는 제1 마이크로 렌즈 및 상기 제1 마이크로 렌즈에 인접한 제2 마이크로 렌즈가 포함되고,상기 마이크로 렌즈 어레이의 상기 제1 행에 대응하는 상기 컬러 필터 어레이의 제1 행에는, 상기 제1 마이크로 렌즈 아래에 배치되는 제1 컬러 필터 및 제2 컬러 필터, 및 상기 제2 마이크로 렌즈 아래에 배치되는 제3 컬러 필터 및 제4 컬러 필터가 포함되고,상기 컬러 필터 어레이의 상기 제1 행에 대응하는 상기 수광 소자 어레이의 제1 행에는, 상기 제1 컬러 필터 아래에 배치되는 제1 수광 소자, 상기 제2 컬러 필터 아래에 배치되는 제2 수광 소자, 상기 제3 컬러 필터 아래에 배치되는 제3 수광 소자, 상기 제4 컬러 필터 아래에 배치되는 제4 수광 소자가 포함되는, 카메라 모듈.
- 청구항 11에 있어서,상기 이미지 신호 프로세서는,상기 제1 수광 소자에 의해 획득된 제1 데이터, 상기 제2 수광 소자에 의해 획득된 제2 데이터, 및 상기 제3 수광 소자에 의해 획득된 제3 데이터에 기반하여 제1 픽셀 값을 획득하고,상기 제2 데이터 및 상기 제3 데이터에 기반하여 제2 픽셀 값을 획득하고,상기 제2 데이터, 상기 제3 데이터, 및 상기 제4 수광 소자에 의해 획득된 제4 데이터에 기반하여 제3 픽셀 값을 획득하는, 카메라 모듈.
- 청구항 12에 있어서,상기 이미지 신호 프로세서는,상기 제1 픽셀 값을,상기 제1 데이터, 상기 제2 데이터, 및 제3 데이터 각각에 다른 가중치를 적용하여 획득하는, 카메라 모듈.
- 청구항 12에 있어서,상기 이미지 신호 프로세서는,상기 제2 픽셀 값을,상기 제2 데이터 및 상기 제3 데이터 각각에 동일한 가중치를 적용하여 획득하는, 카메라 모듈.
- 청구항 12에 있어서,상기 이미지 신호 프로세서는,상기 제3 픽셀 값을,상기 제2 데이터, 상기 제3 데이터, 및 상기 제4 데이터 각각에 다른 가중치를 적용하여 획득하는, 카메라 모듈.
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