Abstract: An image sensor comprising a unique color filtration layer and a light conversion layer is described. The color filtration layer includes an array of color filtration regions, that at least one of the color filtration regions contains a color filter occupying 20% to 80% area of the color filtration region. The image sensor increases light sensitivity in low light condition while maintains enough chromatic information in image details.

Abstract: An imaging sensor including a pixel array having a plurality of pixels, the pixel comprises a first photodiode serious connected to a second photodiode to form a photodiode chain, wherein a first terminal of the photodiode chain is coupled to a first voltage source; a signal output transistor including a gate terminal coupled to a first scan line, a drain terminal coupled to an amplifying transistor and a source terminal coupled to a signal output path, wherein the amplifying transistor includes a gate terminal coupled to a second terminal of the photodiode chain and a drain terminal coupled to an external power source; and a first reset transistor including a gate terminal coupled to a second scan line, a source terminal coupled to the second terminal of the photodiode chain and a drain terminal coupled to a second voltage source.

Abstract: A multispectral imaging device comprises a first photoelectric conversion module and a second photoelectric conversion module. The first photoelectric conversion module further includes a first photoelectric conversion layer located between a first conducting layer and a second conducting layer. The first conducting layer, coupled to a first constant potential, is configured to allow visible light and infrared light passing through, the first photoelectric conversion layer is configured to convert the visible light into a first electrical signal. The second photoelectric conversion module, formed on a silicon substrate, is configured to receive the infrared light coming from the first photoelectric conversion module.

Abstract: The present disclosure provides a multispectral imaging device, comprising the following layers and components arranged in sequence following a direction of incident light: a color filter layer, comprising a plurality of color filters transparent for specific wavebands; a first transparent electrode layer continuously formed in imaging area; a first conversion layer continuously formed in imaging area to convert visible light to electric signals; a first flat topography comprising plurality of pixel electrodes and with surface roughness less than 5 nm; a second conversion layer to convert NIR light to electric signals; and circuit components to process the electric signals. Benefit from the first continuous conversion layer formed on the flat topography, high light utilization, low spectral cross-talk, low dark current are achieved in the multispectral imaging device.

Abstract: A multispectral imaging device comprises a hybrid semiconductor device of stacked type to separate different light wavebands in a three-dimensional space, said hybrid semiconductor device comprises: a first photodiode, to convert NIR light photons to electrons, said first photodiode forming a detecting array of infrared light image, said first photodiodes comprising a substrate and an depletion layer; and a second photodiode, arranged on said first photodiode, to convert visible light photons to electrons, said second photodiode forming a detecting array of visible light image. The multispectral imaging device provided by the present disclosure decreases the cross-talks between different photodiodes and increases the total performance.

Abstract: The present disclosure provides a multispectral imaging device and imaging system. The multispectral imaging device comprises: a substrate; a plurality of semiconductor layers, stacked on the substrate and arranged in a direction perpendicular to the substrate, different semiconductor layers converting visible light photons and NIR light photons to electrons, respectively; and a filtering layer, arranged on one side of the plurality of semiconductor layers away from the substrate, comprising a plurality of filtering sections arranged as a matrix, to separate the incident light to multiple wavebands on a plane parallel to the substrate. The multispectral imaging device and imaging system separate the incident light by waveband in a direction perpendicular to the substrate and a direction parallel to the substrate, then multispectral images can be acquired at the same time.

Abstract: A portable multispectral imaging and projecting device includes a liquid crystal light valve configured to modulate, in response to an image generated by a processor, intensity of light passing through the liquid crystal light valve. The light is emitted by a light source module and the liquid crystal valve projects the modulated light and the image to a target area. The light source module includes a plurality of visible light sources and at least one infrared light source. The image is generated in response to an infrared light image and a visible light image, or the infrared light image, wherein the images are acquired by a photoelectric sensor of an image acquiring module.

Abstract: A portable multispectral imaging device comprises a first image sensing module, including at least one lens module and an image sensor. The image sensor is configured to acquire a plurality of images of light radiation, passing through the lens module, and the images include at least one first visible light image and an invisible light image. The center of the lens module and the center of the image sensor are aligned on an optical axis. Moreover, a plurality of light sources including at least one invisible light source are arranged to surround the first image sensing module. A flat-panel display module configured to show an image including the acquired images and previously saved images.

Abstract: A portable multispectral imaging and display apparatus includes an imaging device and a display device. The imaging device includes a first image sensor configured to obtain image information of light radiation, came through the lens module, of a first spectral range, a second image sensor configured to obtain image information of light radiation, came through the first image sensor, of the second spectral range, the lens module configured to focus the image information of the light radiation of the first spectral range on the first image sensor, and focus the image information of the light radiation of the second spectral range on the second image sensor. The display device is configured to show the image information of the light radiation of the first spectral range and the image information of the light radiation of the second spectral range.