Abstract: A dual-mode includes a light source configured to project a structured illumination from which visible light can be filtered. The dual-mode imager also includes a detector configured to capture both the structured illumination and visible light from the scene. A temporal or spatial filter is used to selectively block visible light from one or more portions of the detector while passing the structured illumination to the one or more portions of the detector.

Abstract: In a laser scanning microscope comprising an infrared pulse laser; an objective lens focusing an infrared light from the infrared pulse laser on a sample; a condenser lens disposed on an opposite side of the objective lens across the sample for collecting an observation light that is generated by a nonlinear optical effect and has a wavelength shorter than a wavelength of the infrared light; a visible light detector detecting the observation light collected by the condenser lens, an IR partial transmission filter having partially-modified transmission characteristics for the infrared light is disposed near a front focal position of the condenser lens, and an infrared light detector detecting, through the IR partial transmission filter, a transmitted light from the sample collected by the condenser lens, is provided.

Abstract: An imaging device including: an electronic shutter and a pixel array part. The pixel array part has a plurality of pixels with different characteristics of spectral sensitivity arranged in an array and which converts light transmitted through the pixel into an electric signal. The pixel array part has a plurality of color pixels and at least one clear pixel, the plurality of color pixels including (i) a first color filter pixel having a peak of spectral sensitivity characteristics in red, (ii) a second color filter pixel having a peak in blue, and (iii) a third color filter pixel having a peak in green. At least a portion of the plurality of color filter pixels is arranged in an oblique pixel array system and at least one clear pixel having a high transmittance is arranged in the oblique pixel array system at a given position of a given row and a given column with respect to the first color filter pixel, the second color filter pixel, and the third color filter pixel.

Abstract: An imaging device includes: a pixel array part in which a plurality of pixels with different characteristics of spectral sensitivity are arranged in an array and which converts light transmitted through the pixel into an electric signal, wherein in the pixel array part, among a first color filter pixel, a second color filter pixel, and a third color filter pixel, each including a color filter, at least a plurality of the first color filter pixels and the second color filter pixels is arranged in an oblique pixel array system, and a clear pixel having a high transmittance is arranged in an oblique pixel array system at a given position of a given row and a given column in the oblique pixel array with respect to the first color filter pixel, the second color filter pixel, and the third color filter pixel.

Abstract: A plant sensor includes a light source section having first and second light emitters configured to irradiate first and second measuring light toward an object to be measured, respectively, and a light receiver configured to receive reflected light from the object to be measured, and output light-receiving signals.

Abstract: Systems and methods for increasing the quantum efficiency of a photocathode used in an intensified an intensified array detector with a photocathode, such as a charge-coupled device (ICCD) are presented. A quantum efficiency enhancement device is disposed in front of an ICCD and is configured to enable or facilitate an increase in the angle of incidence of incoming rays incident on the photocathode. The ICCD itself may be tilted to achieve an increased angle of incidence, and such tilting is preferably only in a direction in which pixel columns of the ICCD extend such that a plane of incidence of incoming light to the ICCD is perpendicular to a direction of wavelength dispersion. The quantum efficiency enhancement device may include re-imaging optics, an optical tilt compensator and optical coupler.

Abstract: A solid-state imaging device includes a first wiring layer, a second wiring layer, a substrate contact, and a first contact. The arrangement of the substrate contact with respect to a light-receiving section forming a peripheral pixel is shifted, or not shifted, from the arrangement of the substrate contact with respect to a light-receiving section forming a central pixel, by a shift amount r from the peripheral portion toward the central portion. The arrangement of the first contact with respect to the light-receiving section of the peripheral pixel is shifted from the arrangement of the first contact with respect to the light-receiving section of the central pixel, by a shift amount s1 from the peripheral portion toward the central portion. The shift amount s1 is greater than the shift amount r.

Abstract: An integrated spectral sensing engine featuring energy sources and detectors within a single package includes sample interfacing optics and acquisition and processing electronics. The miniaturized sensor is optimized for specific laboratory and field-based measurements by integration into a handheld format. Design and fabrication components support high volume manufacturing. Spectral selectivity is provided by either continuous variable optical filters or filter matrix devices. The sensor's response covers the range from 200 nm to 25 ?m based on various solid-state detectors. The wavelength range can be extended by the use of filter-matrix devices. Measurement modes include transmittance/absorbance, turbidity (light scattering) and fluorescence (emission). On board data processing includes raw data acquisition, data massaging and the output of computed results. Sensor applications include water and environmental, food and beverage, chemical and petroleum, and medical analyses.

Abstract: The invention relates to a wavelength spectroscopy device comprising, on a substrate SUB, a filter module made up of two mirrors MIR1, MIR2 that are spaced apart by a spacer membrane SP. The filter module comprises a plurality of interference filters FP1, FP2, FP3, the thickness of said spacer membrane SP being constant for any given filter and varying from one filter to another.

Abstract: Provided is a semiconductor photodetector element which is reduced in manufacturing cost and improved in precision. The semiconductor photodetector element includes: a first photodiode formed in a P-type silicon substrate; a second photodiode formed in the P-type silicon substrate and has the same structure as that of the first photodiode; a color filter layer formed above the first photodiode from a green filter; a color filter layer formed of a black filter above the second photodiode; and an arithmetic circuit portion which subtracts a detection signal of the second photodiode from a detection signal of the first photodiode.

Abstract: The amount of light incident on a photoelectric conversion element is increased while stray light from a backlight below a light-transmitting substrate is prevented from being incident on the photoelectric conversion element. A light-blocking film is formed with a color filter covering a photoelectric conversion element over a light-transmitting substrate and a color filter covering a photoelectric conversion element in an adjacent pixel which overlap each other at the side with respect to the direction in which light travels. In addition, by providing a microlens over the color filter, light which is conventionally not detected is collected to a photoelectric conversion element, and accordingly the amount of light incident on the photoelectric conversion element is increased.

Abstract: A light emitting element has spectral characteristics in a predetermined optical wavelength range. A photodetecting unit includes a photodetecting element capable of detecting a light in the optical wavelength range and performs an OE conversion of either one of a reflected light and transmitted light from a scanning target. A filter unit is arranged in an optical path from the light emitting element to the photodetecting element via the scanning target and having an optical transmission range within the optical wavelength range and covering a range of variation in the optical wavelength range.

Abstract: An image sensing module includes a printed circuit board, an image sensor, and a color filter exchanging system. The image sensor positioned between the printed circuit board and the color filter exchanging system is assembled on the printed circuit board. The color filter exchanging system aligning with the image sensor fastens to the printed circuit board. The color filter exchanging system includes a stand, a driving module and a filter assembly. The stand fastening to the printed circuit board defines an opening revealing the image sensor. The driving module slides the filter assembly within the stand. The filter assembly includes a frame and a visible light bandpass filter and an infrared bandpass filter assembled to the frame. In different modes, the driving module drives the filter assembly so that the visible light bandpass filter or the infrared bandpass filter aligns with the image sensor by way of the opening.

Abstract: A multi-image detector assembly for detecting a plurality of correlated images of a single scene over a plurality of disparate electromagnetic wavelength sets includes an imaging-sensor array, a plurality of focusing elements and a plurality of optical filtering elements. The imaging-sensor array has a plurality of detector-array sections, each of which detector-array sections comprises at least two detector-array subsections dedicated to the detection of a common wavelength set associated with that detector-array section. Each focusing element is aligned for focusing upon a corresponding one of the plurality of detector-array sub-sections an image of the scene correlating to the images of the scene focused upon other detector-array sub-sections by the other focusing elements. Additionally, each focusing element and its corresponding detector-array sub-section defines an optical path and each detector-array section has associated with it at least two such optical paths.

Abstract: This invention relates to coded aperture imaging apparatus and methods. In one aspect a coded aperture imager has at least one detector array and a reconfigurable coded aperture mask means. A reconfigurable coded aperture mask means can display various coded aperture masks to provide imaging across different fields of view and/or with different resolution without requiring any moving parts or bulky optical components. More than one detector array can be used to provide large area imaging without requiring seamless tiling and this represents another aspect of the invention. The present invention also relates to the use of coded aperture imaging in the visible, ultraviolet or infrared wavebands. The use of coded aperture imaging for imaging through a curved optical element is taught as the image decoding can automatically remove any aberrations introduced by the curved element.

Abstract: An image sensor pixel that includes a photoelectric conversion unit supported by a substrate and an insulator adjacent to the substrate. The pixel includes a cascaded light guide that is located within an opening of the insulator and extends above the insulator such that a portion of the cascaded light guide has an air interface. The air interface improves the internal reflection of the cascaded light guide. The cascaded light guide may include a self-aligned color filter having air-gaps between adjacent color filters. Air-gaps may be sealed from above by a transparent sealing film. The transparent sealing film may have a concave surface over the air-gap to diverge light that cross the concave surface into the air-gap away from the air-gap into adjacent color filters. These characteristics of the light guide eliminate the need for a microlens.

Abstract: In a visible-light blocking member, an infrared sensor including the visible-light blocking member, and a liquid crystal display including the infrared sensor, a visible-light blocking member is a structure including amorphous germanium or a compound of amorphous germanium and has higher transmittance for a wavelength of an infrared ray region than for a wavelength of a visible light region. Accordingly, sensitivity to infrared rays may be increased by applying the visible-light blocking member to the infrared sensor.

Abstract: Disclosed is a multi-channel bio reactor with fluorescence detector which measures various bio-chemical materials using fluorescence analysis, and an on-line monitoring apparatus of it. The multi-channel bio reactor with fluorescence detector comprises a light source 10 for emitting excitation light; a light irradiation part 30 for irradiating the excitation light emitted from the light source 10; a sample receiving part 40 in which the excitation light irradiated from the light irradiation part 30 is irradiated on a sample and which has a plurality of walls 41 for receiving a sample containing a fluorescent material; and an optical detecting part 50 for detecting fluorescence emitted from the sample received in the wall 41 of the sample receiving part 40.

Abstract: There are many, many inventions described herein. In one aspect, what is disclosed is a digital camera including a plurality of arrays of photo detectors, including a first array of photo detectors to sample an intensity of light of a first wavelength and a second array of photo detectors to sample an intensity of light of a second wavelength. The digital camera further may also include a first lens disposed in an optical path of the first array of photo detectors, wherein the first lens includes a predetermined optical response to the light of the first wavelength, and a second lens disposed in with an optical path of the second array of photo detectors wherein the second lens includes a predetermined optical response to the light of the second wavelength.

Abstract: A method for determining the light intensity of a light signal in each of a plurality of spectral bands is disclosed and a method for fabricating a photodetector is also disclosed.

Abstract: A method includes simultaneously illuminating a material using multiple first radiances and measuring multiple second radiances from the material. Each second radiance includes at least a portion of two or more first radiances that have interacted with the material. The method also includes determining a structure of the material based on the measurements. The first radiances may be directed at the material from different directions, and the second radiances may be measured at different positions around the material. The structure of the material could be determined by determining at least one of a scattering profile and an absorption profile. If the material includes a sheet of paper, a boundary between two layers in the sheet of paper could be identified by a discontinuity in the scattering profile, and a non-uniform distribution of a filler in the sheet of paper could be identified by a smooth variation in the scattering profile.

Abstract: In a sensing device and a method for sending a light by using the same, the sensing device includes: a lower panel; an upper panel facing the lower panel; a liquid crystal layer disposed between the lower panel and the upper panel; an infrared ray sensor formed in at least one of the lower panel and the upper panel; and a visible ray sensor formed in at least one of the lower panel and the upper panel. The sensing device simultaneously includes the infrared ray sensor and the visible ray sensor such that a touch sensing function or an image sensing function having high reliability may be realized.

Abstract: An imager device having a recessed color filter array formed in a trench of a material layer above a pixel array. Light-sensitive pixels are formed in the center area of the array, while non-light-sensitive pixels are formed in a buffer region adjacent the light-sensitive pixels and beneath an area of the color filter array having a non-uniform thickness. The non-light-sensitive pixels may be anti-fuse pixels functioning as individual, programmable memory cells, thereby providing in-pixel memory for the imager device.

Abstract: An image sensor and a method for fabricating the same having enhanced sensivity. The image sensor enhances sensitivity and minimizes optical loss by isolating color filters from each other using a metal that has superior light reflection properties while having no effect on the color filters during deposition of the metal.

Abstract: An illumination apparatus includes a light source (1), a first integrator (11) into which light from the light source (1) enters, and a second integrator (33) into which light exiting from the first integrator (11) enters. Accordingly, the aperture shape of the first integrator (11) can be optimally designed, so that the light utilization efficiency can be increased. Furthermore, even when the length of the first integrator (11) is reduced, a deficiency in the light uniformity due to the first integrator (11) is compensated for by the second integrator (33), so that high uniformity can be secured at the surface to be illuminated.

Abstract: A thermoelectric conversion material includes a superlattice structure produced by laminating a barrier layer containing insulating SrTiO3, and a quantum well layer containing SrTiO3 which has been converted into a semiconductor by doping an n-type impurity therein. The quantum well layer has a thickness 4 times or less the unit lattice thickness of SrTiO3 which has been converted into a semiconductor by doping an n-type impurity therein.

Abstract: A vehicle-mounted imaging device that is mounted in an automobile and performs color imaging has been provided with a plurality of two-dimensionally arranged pixel cells. In each of the pixels, a color filter separates incident light by a multilayer interference filter. The multilayer interference filter is composed of two ?/4 multilayer films and a spacer layer sandwiched therebetween. The multilayer interference filter transmits light in a wavelength region that corresponds to an optical thickness of the spacer layer. The ?/4 multilayer films and spacer layer are composed of inorganic materials.

Abstract: A light processing structure for a digital light processing (DLP) projection device is disclosed. The DLP projection device comprises a plurality of digital micro-mirror devices (DMDs). The optical processing structure comprises a color separation mechanism, a reflecting mechanism and a color combination mechanism, wherein the color separation mechanism utilizes dichroic mirror(s) and a color wheel for splitting light beams into individual colors. The reflecting mechanism includes a plurality of TIR prisms corresponding to the DMDs, respectively. The color combination mechanism utilizes a color-combining prism assembly in which two triangular prisms are assembled with each other. The mentioned mechanism uses a shorter back focal length for the projection lens, thereby reducing the light processing structure and enhancing product quality.

Abstract: A color separation filter (100), for a solid state image sensor includes a micro lens array (108) adapted to collect a full color spectrum light source (104), a mask layer (120) is attached to the micro lens array (108), the mask layer (120) includes plurality of openings (124), each opening is positioned in front of a single micro lens from the micro lens array. Additionally it includes a first array of prisms (204), each prism is positioned in front of each of each of the openings, a second array of prisms (212) is attached to the first array of prisms with an optical glue layer (208). Each prism from the first array of prisms is positioned in front of a prism from the second array of prisms to create a symmetrical optical path for the color spectrum light source (304).

Abstract: Imager pixel arrays and methods for forming imager pixel arrays. An image sensor pixel includes a photosensor and a waveguide grating resonance filter formed over the photosensor. The waveguide grating resonance filter is configured to pass light to the photosensor in a wavelength band and to block light outside of the wavelength band. The waveguide grating resonance filter includes a grating material having a first refractive index and arranged in a grating pattern with a grating pitch, and has an effective refractive index that is a function of the first refractive index. A combination of the grating pitch and the effective refractive index is selected to correspond to the wavelength band.

Abstract: An apparatus includes an array of sub-diffraction limit-sized light receptors formed in a substrate having a light receiving surface. Each light receptor may be configured to output a binary valued bit element and to change state between an off-state and an on-state by the absorption of at least one photon. The apparatus further includes an optical filter structure disposed over the light receiving surface, the optical filter structure having of an array of filter pixels each having an associated passband spectral characteristic. A data element obtained from the array of sub-diffraction limit-sized light receptors is composed of a plurality of the bit elements output from a plurality of light receptors that underlie filter pixels having at least two different passband spectral characteristics.

Abstract: An apparatus includes an array of sub-diffraction limit-sized light receptors formed in a substrate having a light receiving surface. Each light receptor may be configured to output a scalar valued multi-bit element and to change state based on the absorption of at least one photon. The apparatus further includes an optical filter structure disposed over the light receiving surface, the optical filter structure having an array of filter pixels each having an associated passband spectral characteristic. A data element obtained from the array of sub-diffraction limit-sized light receptors is composed of a combination of a plurality of the multi-bit elements output from a plurality of light receptors that underlie filter pixels having at least two different passband spectral characteristics.

Abstract: An optical cracked-grain selector that does not mistakenly identify normal grains of rice having no cracks as cracked grains due to the presence of the embryonic portion and/or surface scratches when optically identifying cracked grains of rice mixed in with material rice grains. An identification part in a cracked grain identification unit obtains a first rice grain image (having an embryonic portion and scratches) based on light passed through the rice grain that is received by a first CCD sensor built into a CCD camera of a photoreaction detection unit and a second rice grain image (having cracks, an embryo portion and scratches) based on light passed through the rice grain received by a second CCD sensor built into the CCD camera, acquires an image of the cracks by calculating a difference in the amount of light between the two rice grain images, and identifies a cracked grain.

Abstract: An optical measurement system includes a rotating element ellipsometer comprising a radiant source and a rotating optical element coupled to the radian source, an optical system to provide a modulated pump beam, a detection system optically coupled to the ellipsometer and a signal analyzer. The rotating element ellipsometer is configured to deliver a probe beam to a measurement spot on a sample and to measure one or more ellipsometric parameters of the sample at one or more discrete wavelengths or wavelength ranges, or a plurality of wavelengths across a wavelength range. Methods for determining sample characteristics from radiation scattered, reflected, diffracted or otherwise emitted from a sample surface using the optical measurement systems are also disclosed.

Abstract: An instrument detects an amount of a component of a sample gas by passing an excitation light through the sample gas at atmospheric pressure to produce fluorescence light from the component. The fluorescence light is discriminated using a sequence of multiple long pass interference filters to filter out the excitation light. The discriminated fluorescence light is then detected to produce a signal representative of the amount of the component in the sample gas. Preferably, the excitation light is continuously passed through the sample gas. In one embodiment, the gas flows through a cell having a parabolic reflector as an interior surface and a source of the excitation light at a focus of the parabolic reflector. In other embodiments, multiple components are detected in parallel using multiple sample cells and a fiber optic multiplexer to sequentially filter and detect the fluorescence light from each of the multiple sample cells.

Abstract: Arrangement for the production of instantaneous or non-instantaneous multi-band images, to be transformed into multi- or hyperspectral images, comprising light collecting means, an image sensor array, and an instantaneous colour separating means, positioned before the image sensor array, and uniform spectral filters, for restricting imaging to certain parts of the electromagnetic spectrum. A filter unit is positioned before the colour separating means in the optical path in, or close to, converged light. Each filter mosaic consists of a multitude of homogeneous filtering regions. The transmission curves of the filtering regions of a colour or spectral filter mosaic can be partly overlapping, in addition to overlap between these transmission curves and those belonging to the filtering regions of the colour separating means. The transmission curves of the colour or spectral filter mosaics and the colour separating means are suitably spread out in the intervals of a spectrum to be studied.

Abstract: A laser scanning microscope that can construct a fluorescence image with high resolution even with a photodetector having a small array size is provided.

Abstract: A light sensing device has a first filter to block visible light in a light path. The light sensing device also has a first color sensor and a clear sensor, to detect light in the light path after the first filter. A light intensity calculator computes a measure of the intensity of visible light in the light path, based on a difference between (a) an output signal of the first color sensor, and (b) an output signal of the clear sensor. Other embodiments are also described and claimed.

Abstract: An imaging element unit includes an imaging element configured to include an imaging surface having a plurality of R pixels, G pixels and B pixels, and an infrared cut filter configured to be placed in a position immediately in front of the imaging surface, wherein the transmittance characteristics of the infrared cut filter is determined so that an RGB combined relative sensitivity which is a combined value of unique sensitivities of the R pixels, the G pixels and the B pixels and a relative sensitivity of the imaging surface determined by the transmittance characteristics of the infrared cut filter show each of the following sensitivities with the respect to each of the following wavelengths longer than 600 nm.

Abstract: An image processing apparatus comprises: a first calculation section that calculates a plurality of spectral reflectances at a plurality of wavelengths based on intensities of light irradiating an object and reflected from the object, the light having a certain spectral energy distribution; a second calculation section that calculates color descriptor values of the object based on the spectral reflectances calculated by the first calculation section; a third calculation section that calculates a set of factors when the color descriptor values are expressed using a linear combination of a predetermined plurality of eigenvectors, factors associated with the respective eigenvectors, and either spectral energy of a reference light or theoretical spectral energy of a virtual light; and an output section that outputs the factors calculated by the third calculation section.

Abstract: A wavelength splitting element for splitting a multiplexed light beam in wavelength bands ?1, ?2 and ?3 into light beams in separate wavelength bands and emitting the split light beams from separate emission ports, includes: a first filter for splitting the multiplexed light beam in the wavelength bands ?1, ?2 and ?3 into a light beam in the wavelength band ?1 that the first filter passes in a first direction and into a light beam in the wavelength bands ?2 and ?3 that the first filter reflects; a second filter, which is provided in the direction of the light beam in the wavelength bands ?2 and ?3 that has been reflected by the first filter, for splitting the light beam in wavelength bands ?2 and ?3 that has been reflected by the first filter into a light beam in the wavelength band ?3 that the second filter passes in a second direction and into a light beam in the wavelength band ?2 that the second filter reflects; and a third filter, which is provided in the direction of the light beam that has been reflect

Abstract: An image sensor pixel that includes a photoelectric conversion unit supported by a substrate and an insulator adjacent to the substrate. The pixel includes a light guide that is located within an opening of the insulator and extends above the insulator such that a portion of the light guide has an air interface. The air interface improves the internal reflection of the light guide. Additionally, the light guide and an adjacent color filter are constructed with a process that optimizes the upper aperture of the light guide. These characteristics of the light guide eliminate the need for a microlens.

Abstract: An image sensor having light-sensitive elements situated in rows and columns, a camera, and a camera system are provided. The image sensor has a repeating pattern including two adjacent rows, the first row having alternating light-sensitive elements having a blue filter and light-sensitive elements having a red filter, and the second row having light-sensitive elements having no blue filters and no red filters, i.e., no color filter.

Abstract: An imaging system (100) for displaying color images is described. The imaging system (100) comprises an illumination source (102) for generating an illumination beam, an illumination splitting means (106) typically for generating different primary color illumination beams and a plurality of image modulators (104a, 104b, 104c). The illumination splitting means (106) comprises a dynamic selecting means (108) adapted for, for a single color image to be imaged, subsequently generating different sub-sets of primary color sub-beams from said illumination beam and directing these sub-sets of primary color sub-beams to a static selecting means (110).

Abstract: An apparatus for concentrating light and associated method of use is disclosed. This apparatus includes a first outer wall having an anterior end, a posterior end, an inner surface and an outer surface, the inner surface defining an interior portion, the interior portion having an anterior end and a posterior end, and a light source disposed within the interior portion. The first outer wall has an opening in the posterior end, the opening having an opening diameter. The interior portion has a substantially frusto-conical shape and has a cross-sectional diameter at the opening equal to the opening diameter and a second cross-sectional diameter near the anterior end that is less than the opening diameter and the inner surface is photo-reflective. The light passes through a sample through an aperture and a collector lens or a second outer wall. A transmission diffraction grating may be utilized.

Abstract: A modular system for optical diagnosis of a sample includes a portable optical probe, a light source, a filter, and a gain detector. A first optical element releasably, optically couples the optical probe to the light source. A second optical element releasably, optically couples the optical probe to the filter and a third optical element releasably, optically couples the filter to the gain detector. The optical probe receives an optical signal from the light source via the first optical element and directs the optical signal onto the sample, thereby inducing fluorescence emission from the sample. The optical probe receives the fluorescence emission from the sample and transmits to the filter via the second optical element. The filter transmits the fluorescence emission to the gain detector via the third optical element. The optical head includes a beam splitter which reflects the fluorescence emission from the sample to the filter.

Abstract: Method and systems related to obstructing a first predefined portion of at least one defined wavelength of light incident upon a first photo-detector array; and detecting the at least one defined wavelength of light with a photo-detector in a second photo-detector array.

Abstract: An Infrared Radiation (IR) sensing device comprises a lens module, an IR pass filter, and an optical sensor. The lens module is utilized for focusing light. The IR pass filter comprises an optical coating, and a Color Filter Array (CFA) module. The optical coating is utilized for blocking light with wavelength around a predetermined range. The CFA module is utilized for blocking light with wavelength around 400 nm to 780 nm. The optical sensor for absorbing photons of light after being blocked by the IR pass filter on the optical path and accordingly generating an electrical signal. With the help of the CFAs, the range of the wavelength that the optical coating has to block becomes smaller, which greatly reduces the required number of layers of the optical coating.

Abstract: An imaging device captures both a visible light image and a diagnostic image, the diagnostic image corresponding to emissions from an imaging medium within the object. The visible light image (which may be color or grayscale) and the diagnostic image may be superimposed to display regions of diagnostic significance within a visible light image. A number of imaging media may be used according to an intended application for the imaging device, and an imaging medium may have wavelengths above, below, or within the visible light spectrum. The devices described herein may be advantageously packaged within a single integrated device or other solid state device, and/or employed in an integrated, single-camera medical imaging system, as well as many non-medical imaging systems that would benefit from simultaneous capture of visible-light wavelength images along with images at other wavelengths.

Abstract: The light-emitting device includes a base substrate and preferably three light-emitting diodes respectively associated with three primary colors and emitting a part of their signal in the direction of the base substrate. The device includes three chromatic photodetectors formed in the base substrate constituting a semiconducting substrate, and each arranged under an associated light-emitting diode. Each chromatic photodetector includes superposed first, second and third layers. The first layer and third layer have a first type of conductivity and the second layer has a second type of conductivity. The device includes a control component connected to the chromatic photodetectors and to the light-emitting diodes to control the global color of the light emitted by the device.