2026 results about "Light sensing" patented technology

The invention relates to the technical field of display, and particularly discloses a dynamic ambient light adaptive OLED display optimization method and system, and the method comprises the steps: obtaining an ambient light time sequence data set of an environment where an OLED display screen is located, and synchronously obtaining real-time display parameters and historical brightness adjustment data of the display screen; acquiring ambient light sensing features according to the ambient light time sequence data set; obtaining photo-thermal structure coverage area data of the OLED display screen according to the real-time display parameters; and acquiring preliminary optimization parameters according to the ambient light sensing characteristics and the photo-thermal structure coverage area data. According to the invention, illumination intensity, spectrum drift and contrast change are captured in real time in combination with ambient light perception characteristics, the one-sidedness of adjustment only according to brightness traditionally is solved, reflection can be reduced through photothermal structure deformation under strong light, brightness can be improved to offset interference, and human visual characteristics can be matched under weak light. And the display definition and the visual comfort in different environments are effectively improved.

There are provided a display device and an electronic device. The display device comprises a substrate, a circuit layer, and an element layer. A sub-region of the substrate comprises a bending region. A display area of the substrate comprises emission areas, a non-emission area between the emission areas, and light sensing areas in portions of the non-emission area. The element layer comprises light emitting elements in the emission areas, and light sensing elements in the light sensing areas. The circuit layer comprises data bending lines disposed in the bending region and electrically connected to data lines; and read-out bending lines disposed in the bending region and electrically connected to read-out lines. The bending region comprises first wiring group areas in which two or more of the data bending lines are disposed; and second wiring group areas in which two or more of the read-out bending lines are disposed.

The invention discloses a quantum computing chip based on a vertical micromirror, a system on a crystal and a simulator correction method thereof, a vertical micromirror structure with the roughness of less than 5nm can be formed by performing side wall smoothing on a deep etching vertical structure, and the loss of light irradiated on a side wall interface of a silicon-based optical device can be greatly reduced; a quantum computing chip is developed on a silicon wafer, another optical computing chip structure except macroscopic space optics and silicon-based optoelectronics is realized, the technological process is completely compatible with an advanced packaging technology, and photoelectric wafer level system integration of sensing, storage and computing can be realized. For an on-crystal system integrated with a quantum computing chip and an integrated circuit chip (and an optical sensing chip), crosstalk, loss and delay of TSV transmission signals are reduced through a vertical micro-mirror technology, indirect measurement of side wall roughness is realized through Fabry-Perot interference, an ideal on-crystal system simulator is corrected, and the measurement precision of the on-crystal system simulator is improved. And the simulation result of the simulator is closer to the real measurement result of the on-chip system.

The embodiment of the invention discloses a positioning threshold calculation method and related equipment, and relates to the field of printer control. The method comprises the following steps: in response to a threshold calculation instruction, acquiring first light sensing data and second light sensing data in sequence; detecting whether a difference value between the first light sensing data and the second light sensing data meets a target segmentation condition in a plurality of preset segmentation conditions or not; when it is determined that the difference value between the first light sensing data and the second light sensing data meets a target segmentation condition, obtaining a threshold calculation method corresponding to the target segmentation condition; and the first light sensing data and the second light sensing data are calculated based on a threshold calculation method, a positioning threshold is obtained, and the positioning threshold is used for determining the position on the label paper in the printing process. According to the embodiment of the invention, the accuracy of the calculated positioning threshold can be improved, the accurate positioning of the printing head of the label printer on the label paper can be ensured only according to the accurate positioning threshold, and the printing quality is improved.

The invention provides a photosensitive resin composition containing an anthracene methyl modified melamine photosensitizer, a photosensitive dry film and application of the photosensitive dry film, the photosensitizer adopts a melamine skeleton to connect three anthracene 9-methyl structures, and through a rigid structure of the melamine skeleton and a methylene bridging (-CH2-An) design of an anthracene group, the photosensitive resin composition has the remarkable advantages that the methylene bridging structure can be used for preparing a photosensitizer, and the photosensitizer can be used as a photosensitizer for photosensitization of the anthracene methyl modified melamine photosensitizer. The breakage of carbon-oxygen bonds on alkoxy caused by p-pi conjugation is avoided, so that the migration of small molecular fragments after initiation is reduced, permeable crystallization to a polyethylene protective film is effectively inhibited, and the risk of short circuit of a line is remarkably reduced; the light quantum yield can be greatly improved by introducing a plurality of light sensing units; the melamine skeleton is used, so that the adhesive force of the initiation system on the metal foil surface can be effectively improved; in addition, the photosensitizer also shows excellent solubility and formula compatibility, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

A circuit, including: a photodetector including a first readout terminal and a second readout terminal different than the first readout terminal; a first readout circuit coupled with the first readout terminal and configured to output a first readout voltage; a second readout circuit coupled with the second readout terminal and configured to output a second readout voltage; and a common-mode analog-to-digital converter (ADC) including: a first input terminal coupled with a first voltage source; a second input terminal coupled with a common-mode generator, the common-mode generator configured to receive the first readout voltage and the second readout voltage, and to generate a common-mode voltage between the first and second readout voltages; and a first output terminal configured to output a first output signal corresponding to a magnitude of a current generated by the photodetector.

The invention relates to the technical field of large-scale structure measurement, and discloses a robot laser vision three-dimensional scanning measurement system for a large-scale structural member. The system comprises a robot motion platform, a laser vision sensing module, an ambient light sensing module, a point cloud processing module and a motion control module, wherein the laser vision sensing module is arranged at the tail end of the robot motion platform. The ambient light sensing module collects ambient light intensity distribution data in real time, and the motion control module combines the data with three-dimensional model data of the large-scale structural member to be measured to generate a multi-view dynamic scanning path instruction. The robot motion platform executes an instruction to drive the laser vision sensing module to move, the module projects laser stripes to the surface of a to-be-measured structural member and synchronously collects an image, the point cloud processing module performs adaptive filtering processing on the image and then generates three-dimensional point cloud data, and the requirement for efficient and accurate measurement of a large structural member in a complex industrial environment can be met.

The invention relates to the technical field of lamps, in particular to a light sensor, a lamp and a using method. A light sensor includes: a condenser lens; a light sensor; the shell is provided with a containing space, a through hole is formed in the shell, the condensing lens and the light sensor are fixedly arranged in the containing space of the shell, part of the condensing lens is arranged in the through hole, the condensing lens and the light sensor are correspondingly arranged, the condensing lens is used for collecting light outside the shell, and the light sensor is used for sensing the light outside the shell. And the light sensor is used for sensing the change of the light rays collected by the condensing lens. The invention provides a light sensor, a lamp and a use method, and aims to solve the problems that a lighting element and a sensing element are fixed through two parts in the design process of an existing sensor, and in later assembly and use, due to the fact that the lighting element and the sensing element have installation errors, positioning of the lighting element and the sensing element is not accurate, and the cost is low. The use effect of the sensor is affected, and the experience is poor.

The invention provides an image sensor and a manufacturing method thereof, and relates to semiconductor manufacturing. The photoelectric sensing area in the image sensor can be formed by a plurality of doped deposition layers. Therefore, ion implantation does not need to be carried out in the preparation process of the photoelectric sensing area, and damage of ion implantation to the substrate is avoided. In addition, the atomic mass of the doping ions of the bottom doped deposition layer in the multiple doped deposition layers is large, a groove is formed in the bottom doped deposition layer, the atomic mass of the doping ions of the top doped deposition layer is relatively small, and the groove formed in the bottom doped deposition layer is filled with the doping ions of the top doped deposition layer. Therefore, the stability of the photoelectric sensing area can be ensured by arranging the doped ions with relatively high atomic mass at the bottom, and meanwhile, the doped deposition layer can be filled with a large amount of doped ions with relatively low atomic mass through the grooves, so that more free electrons are provided, the light current of the photodiode during light sensing is improved, and the photoelectric sensing efficiency is improved. Therefore, the light sensing capability of the image sensor is improved.

The invention provides a liquid crystal display screen self-adaptive image adjusting method and device based on ambient light induction, and relates to the technical field of display screens, and the method comprises the steps: carrying out ambient light field perception, and building light field emotion perception through 3D light field distribution; the display content of the liquid crystal display screen is extracted, and adjustment tolerance constraints are constructed based on the display content; activating the linkage acquisition equipment, executing multi-dimensional data perception of the user based on the linkage acquisition equipment, and establishing a user emotion vector by utilizing a multi-dimensional data perception result; after an adjustment decision vector is established, light field emotion perception, adjustment tolerance constraint and a user emotion vector serve as input data and are sent to a multi-target cooperative adjustment controller to execute adjustment decision vector optimization; and rendering the display image of the liquid crystal display screen according to the optimization result of the adjustment decision vector. According to the method and the device, the technical target of multi-dimensional intelligent collaborative optimization of ambient light-user emotion-display content can be realized, and the technical effect of improving scene adaptability is achieved.

The invention provides a fiber optic spectrometer and a spectrum detection method, and belongs to the technical field of spectrum detection. The optical fiber spectrometer comprises an optical splitter and a detector, wherein the optical splitter comprises a multimode optical fiber and a diffraction grating which is formed by writing on the end face of the emergent end of the multimode optical fiber and is arranged opposite to the light sensing surface of the detector. The spectrum detection method comprises the following steps: calibrating a fiber optic spectrometer by using a tunable laser to obtain an initial transmission matrix for representing response characteristics of the fiber optic spectrometer under different wavelengths; correcting the initial transmission matrix by adopting a singular value decomposition algorithm to obtain a final transmission matrix; measuring a to-be-measured light source by using a fiber optic spectrometer to obtain a to-be-measured diffraction image; and reconstructing the spectrum of the to-be-measured light source according to the to-be-measured diffraction image and the final transmission matrix. According to the invention, the diffraction image of the light source to be detected is measured by means of the optical fiber spectrometer with a simple structure, and the spectrum of the light source to be detected can be rapidly and reliably detected in combination with the transmission matrix obtained by calibrating the optical fiber spectrometer.

The invention discloses a display panel, a brightness control method thereof and a display device. The display panel comprises a mode recognition module, a judgment module and a dimming module. The judgment module is connected with the mode recognition module, the light sensors in all the light sensing areas on the first side of the display panel and the light sensors in all the light sensing areas on the second side of the display panel. If part of the light sensors in the light sensing areas on the first side and the second side of the display panel are shielded at the same time, it is judged that the display panel is in a mistaken touch state, and a mistaken touch signal is sent out; when the false touch signal is received, the dimming module keeps the brightness of the display panel unchanged; wherein the first side of the display panel and the second side of the display panel are respectively the left side and the right side in a horizontal screen mode. Through the design, wrong dimming caused by wrong touch in the use process of the display product can be avoided, and the influence on the use experience of a user is avoided.

The invention discloses a liquid crystal display brightness adjusting system and method based on ambient light perception, and the system comprises a high-precision ambient light sensor which obtains the ambient light illuminance and color temperature data in real time; the analog-to-digital converter is used for converting the analog optical signal into a digital signal; an embedded microcontroller; the temperature sensor is tightly attached to the liquid crystal panel backlight unit; and the control input end of the liquid crystal driving chip is connected with the driving signal output end of the embedded microcontroller through a serial peripheral interface bus. The technical normal form of a liquid crystal display dimming system is fundamentally reconstructed: in a physical layer, photoelectric signals and human eye spectral response offset are corrected through a spectral separation mechanism, a carrier recombination effect is inhibited based on a thermodynamic equation, and the physical authenticity of brightness output is ensured; in a control layer, a motion state compensation model and a spatial topology perception algorithm are constructed, and brightness space-time consistency control in a dynamic scene is realized.

The utility model belongs to a light sensing detection system, and discloses an optical fiber hydrophone protection structure and an optical fiber hydrophone array, the optical fiber hydrophone protection structure comprises a protection cover assembly and two buckling rings, the protection cover assembly comprises a first cover body and a second cover body, the first cover body and the second cover body are arranged corresponding to the optical fiber hydrophone along the peripheral side of the optical fiber hydrophone sheath in an enclosing and splicing manner, two ends of the first cover body arranged along the enclosing and splicing direction are provided with first splicing plate parts in an extending manner, and two ends of the second cover body arranged along the enclosing and splicing direction are provided with first splicing openings; the first splicing plate part is embedded in the first splicing opening which is formed by enclosing and splicing on the same side, the two buckling rings are arranged at the two ends of the protective cover assembly respectively, the first end of each buckling ring is buckled on the protective cover assembly, and the second end of each buckling ring is buckled on the optical fiber hydrophone sheath. The purposes of improving the external impact load bearing capacity of the optical fiber hydrophone and preventing the optical fiber hydrophone from being damaged are achieved.

The invention provides a mining surrounding rock mobile sensor and a separation amount measuring method. The surrounding rock moving sensor comprises a steel wire rope, and the light sensing measuring part comprises a light source, a light measuring module and a measuring strip. The light source is provided with a light output end capable of outputting light; the light measuring module and the light output end of the light source are located on the same straight line and used for receiving and decoding light signals. One end of the measuring strip is fixed with the steel wire rope, the measuring strip is arranged between the light source and the light ray measuring module, and scale codes are engraved on the measuring strip according to improved Gray codes; wherein when the steel wire rope is pulled, the measuring strip is driven to move, when the measuring strip moves, a light source can be emitted out through different Gray code carving holes in the measuring strip and is received by the light measuring module, and the light measuring module decodes received Gray code information and converts displacement of the measuring strip. According to the invention, the measurement accuracy of the separation amount can be effectively improved.

The invention discloses an intelligent network connection electric vehicle lighting system. The intelligent network connection electric vehicle lighting system comprises a lighting lamp, a switch module, a light sensing module and a brightness adjusting module. The illuminating lamp and the light sensing module are arranged outside the vehicle, and the light sensing module is electrically connected with the illuminating lamp through the brightness adjusting module; the light sensing module is connected with a switch module; when the external brightness received by the light sensing module is higher than a preset value, the brightness of the illuminating lamp is reduced through the brightness adjusting module; when the external brightness received by the light sensing module is lower than a preset value, the brightness of the illuminating lamp is increased through the brightness adjusting module; the switch module can open or close the light sensing module. According to the intelligent network connection electric vehicle lighting system, the brightness of the lighting lamp can be automatically adjusted according to the intensity of external environment light, the electric quantity can be saved to the maximum extent, the endurance of an electric vehicle is improved, and the light sensing module can be turned on or turned off according to the requirements of a user.

A display device includes a substrate, a circuit layer, and an element layer. The substrate includes a display area, and a non-display area. The display area includes emission areas, a non-emission area, and light sensing areas in parts of the non-emission area. The element layer includes light emitting elements in the emission areas, and light sensing elements in the light sensing areas. The circuit layer includes light emitting pixel drivers, light sensing pixel drivers, data lines, read-out lines extending parallel to the data lines, first dummy lines extending in a first direction, and second dummy lines extending in a second direction and respectively paired with the data lines. The first dummy lines include a first read-out bypass line electrically connected to a first read-out line. The second dummy lines include a first read-out connection line electrically connected to the first read-out bypass line.

The sensor comprises a light emitting part, a light guide module, a light mixing module and a light sensing module, the light emitting part is located at one end of the light guide module, and the light mixing module and the light sensing module are sequentially arranged at the other end of the light guide module; the light-emitting part is used for emitting first, second and third light sources; the light guide module comprises a first fiber core layer, a second fiber core layer, a third fiber core layer and an outer cladding layer, and the first fiber core layer, the second fiber core layer and the third fiber core layer are respectively used for conducting the first light source, the second light source and the third light source to correspondingly obtain three types of conduction light; the outer wrapping layer wraps the peripheries of the first fiber core layer, the second fiber core layer and the third fiber core layer; the light mixing module is used for mixing the three kinds of conduction light to obtain mixed light; the light sensing module is used for judging the bending angle and direction of the light guide module according to light intensity attenuation of the three light sources in the mixed light. The sensor can perform omnidirectional bending measurement, and the flexibility of the bionic manipulator integrated with the sensor can be ensured.

The invention relates to an image sensor packaging structure and a preparation method thereof, and relates to the technical field of chip packaging, the image sensor packaging structure comprises a substrate, a structural chip, a heat dissipation shielding cover, a sensing chip and a protection shading cover, the structural chip is mounted on the substrate; the heat dissipation shielding cover is arranged outside the structural chip in a covering manner; the sensing chip is attached to the middle of the side, away from the substrate, of the heat dissipation shielding cover and is provided with a photosensitive area. The protective shading cover is arranged on the substrate. Compared with the prior art, by arranging the heat dissipation shielding cover, electromagnetic shielding can be achieved between different chips in the packaging structure, the sensing chip is prevented from being interfered by electromagnetic waves, meanwhile, the heat dissipation effect can be achieved, and the heat dissipation effect on the structural chip is improved. In addition, by arranging the protective shading cover, external light can be shielded, poor light sensing of the sensing chip caused by refraction or diffraction of the external light is avoided, and the light sensing effect of the sensing chip is further improved.

The invention relates to the technical field of LED display testing, in particular to an LED screen backlight module performance testing system which comprises the steps that a model identification code of a module to be tested is received, a corresponding standard optical parameter set is called, and initial driving current is applied. Actual optical signals driven by different currents are collected through a light sensing probe array and converted into a digital optical measurement value set containing brightness and color coordinate values of multiple sampling points. Comparing the brightness measurement value with a target brightness value point by point to generate a brightness consistency deviation matrix; and judging the color coordinate measurement value and the target range, and generating a color coordinate qualified identifier list. And calculating an actual brightness uniformity value according to the deviation matrix, and comparing the actual brightness uniformity value with a standard threshold value. And if the actual brightness uniformity value reaches the standard and the color coordinates of all the sampling points are qualified, generating a module qualification judgment instruction. According to the system, automatic and high-precision comprehensive evaluation of brightness space uniformity and chromaticity consistency of the backlight module is realized.

The invention discloses an efficient solar photovoltaic direct-driven heat collection and power generation integrated device and a using method thereof.The efficient solar photovoltaic direct-driven heat collection and power generation integrated device comprises a supporting column, a driving device is fixedly installed at the top of the supporting column, a supporting table is fixedly installed at the output end of the driving device, and a photovoltaic panel is fixedly installed at one end of the supporting table; a heat collector is fixedly installed on the side, away from the supporting table, of the photovoltaic panel, a storage battery is fixedly installed at the top of the supporting table, a light sensing device is arranged at the other end of the supporting table, and a protection device is further arranged at the top of the supporting table. When the buffer plate collides with other large parts, the buffer plate can move towards the direction of the baffle plate to absorb the impact force, and the impact may cause the breakage of the photovoltaic panel and even cause the failure of normal operation of the photovoltaic panel, so that the power generation capacity is lost, and the service life of the equipment may be influenced.

The invention provides a photosensitive imaging method, which comprises the following steps of: opening a bin door (22) of an automatic bin entering and exiting device (11) of a photosensitive imager (10), and exposing a photosensitive chip assembly (65); a sample (70) is placed on the photosensitive chip assembly (65), and then the bin door (22) is closed; lightening the whole backlight assembly (66) to irradiate the photosensitive chip assembly (65) and the sample (70) on the photosensitive chip assembly (65); the photosensitive chip assembly (65) collects an image and identifies the position of the sample (70), and determines a sample area (71) and a non-sample area (72); sequentially lighting different colors of light of the local backlight assembly (66) so that only the sample area (71) is provided with backlight and the non-sample area (72) is not provided with backlight; the signal values of the backlight samples (70) of different colors are obtained through the photosensitive chip assembly (65), and a color image of the samples (70) is synthesized in combination with a software algorithm. According to the photosensitive imaging method, the signal-to-noise ratio of the image can be increased, the color image is obtained, and simultaneous detection of multiple samples is supported.

The measuring equipment comprises a sensing unit, the sensing unit comprises a bin body, a laser sensing module, an image sensing module, a connecting piece and a gasket, and the laser sensing module and the image sensing module are connected to a first surface and a second surface, opposite to each other up and down, of the connecting piece respectively. A part of the first surface is separated from the laser sensing module, so that an accommodating space is formed between the first surface and the laser sensing module; and / or part of the second surface is separated from the image sensing module, so that an accommodating space is formed between the second surface and the image sensing module. The containing space can be used for containing connecting lines of the laser sensing module and / or the image sensing module, and the connecting lines comprise wires and communication lines. The laser sensing module and the image sensing module are fixed together through the connecting piece, so that connection between the laser sensing module and the image sensing module is firmer, and movement is not prone to occurring. And the risk of measuring errors after the measuring equipment is used for a long time is reduced.

The invention discloses an electrowetting display device based on ambient light regulation and control, which comprises a first light-transmitting upper substrate and a second light-transmitting lower substrate, and an electrowetting display layer is arranged between the upper substrate and the lower substrate; the electrowetting display layer comprises electrowetting display pixel units arranged in an array, and each electrowetting display pixel unit sequentially comprises a common electrode, a second polar fluid, a first non-polar fluid, a hydrophobic insulating layer and a pixel electrode; pixel walls are arranged among the display pixel units; the display device comprises thin film type ambient light sensing units which are arranged on the light emitting side of the pixel wall and correspond to the electrowetting display pixel units in a one-to-one mode. The display device further comprises a diffuse reflection layer and a quantum dot layer. According to the invention, the overall or local gray scale of the display device can be adjusted according to the ambient light intensity, so that the display device is matched with the ambient light intensity, the imaging is clearer, and the display quality is improved.

The invention relates to the technical field of image recognition, in particular to a horticultural product fungal disease image recognition system and method, and the system comprises an image collection module, an image segmentation module, an anomaly detection module, a feature extraction module, a disease recognition module and a decision output module. In the prior art, the intensity of a light supplementing lamp is manually adjusted, and instantly changing illumination conditions (such as cloud layer shielding and tree shadow shaking) are difficult to deal with in an open-air plantation, so that leaf scab details are often submerged by strong light or dim light is blurred; according to the scheme, a closed-loop linkage system of ambient light perception and an annular LED is innovatively deployed, and the light supplementing intensity is reversely adjusted in a millisecond level by tracking ambient brightness in real time, so that purple gray hyphae of downy mildew in mist in the morning and anthracnose black spots under the noon burning sun present completely consistent color saturation and texture definition in imaging; and the problem of misdiagnosis caused by illumination fluctuation in the traditional method is thoroughly solved.

A display panel including: a plurality of light emitting pixels which emit light in response to a first scan signal, a second scan signal, and a light emission control signal; and a plurality of light sensing pixels which output a sensing signal corresponding to external light in response to the first scan signal and the second scan signal, wherein each of the plurality of light emitting pixels includes an organic light emitting diode including an anode and a cathode, the cathode receiving a first driving voltage, and each of the plurality of light sensing pixels includes an organic photodiode including a first electrode and a second electrode, wherein the second electrode of the organic photodiode is electrically connected to the cathode of the organic light emitting diode to receive the first driving voltage.

The invention discloses a gamma curve generation method, a display panel driving method and a display device, and relates to the technical field of display. The gamma curve generation method comprises the following steps: determining a brightness contrast sensitive function based on a human vision model; a target gamma curve is determined based on the contribution brightness of the ambient light and the brightness contrast sensitive function. According to the method disclosed by the invention, the light sensing characteristic of the human eyes is considered, the influence of ambient light interference is dynamically compensated, and the brightness transmission process is optimized from the double dimensions of physical display and physiological perception, so that the resolution capability of the human eyes on the details of the display picture can be remarkably improved, and the visual experience of a user is improved.

The invention belongs to the technical field of vehicle lamps, and particularly relates to a vehicle head lamp system and method capable of automatically adjusting brightness based on ambient light sensing. An ambient light sensor is started to detect electromagnetic interference, a shielding device is started and ambient light signals are collected when the electromagnetic interference exceeds a threshold value, and the ambient light signals are compared with a reference value after weighted averaging and abnormity elimination; and calculating a brightness adjusting coefficient to adjust the brightness of the headlight, and finally closing the shielding device and circularly detecting. According to the method, the electromagnetic shielding device is started when the electromagnetic interference is detected to exceed the preset threshold value, the acquired data is processed during the period, and the method comprises the steps of weighted average calculation, abnormal data elimination and the like, so that the influence of the electromagnetic interference on the ambient light sensor can be effectively reduced. The technical effects of the invention are that the accuracy and reliability of the headlight brightness adjusting system are obviously improved, and the correct adjustment of the headlight brightness can be ensured even in a strong electromagnetic interference environment, thereby improving the driving safety.

An electronic device may have a touch sensitive display with optical touch sensors that are insensitive to the presence of moisture. The optical touch sensors may include light sources and light detectors. Light illuminator and detector angular filters (e.g., masks, baffles) can be employed to limit the illumination and receive angles of emitted and detected light to minimize false object detection. In some examples, light illuminator and detector masks and baffles can be formed during the photodiode component fabrication process. Interference filters may be included over the light sources and / or the light detectors to improve discrimination between a user's finger and water, and may have a greater transmission for light at a first incident angle that is greater than the critical angle of the water / cover interface than at a second incident angle that is less than the critical angle.

A computer vision learning system and corresponding computer-implemented method extract meaning from image content. The computer vision learning system comprises at least one image sensor that transforms light sensed from an environment of the computer vision learning system into image data representing a scene of the environment. The computer vision learning system includes a digital computational learning system that includes a network of actor perceiver predictor (APP) nodes and a library of visual methods available to the APP nodes for applying to the image data. The digital computational learning system employs the network in combination with the library to determine a response to a query and outputs the response. The query is associated with the scene. The computer vision learning system is capable of answering queries not just about what is happening in the scene, but what would happen based on the scene in view of hypothetical conditions and / or actions.