14 results about "Near infrared light" patented technology

An object of the present invention is to provide a laminated glass which reduces light transmittance loss of a certain region thereof at a predetermined wavelength, particularly within a near-IR (750 to 1,000 nm) range and which facilitates provision of an optical instrument employing the near-IR light without partial substitution of an intermediate film. The invention provides a laminated glass for vehicle formed of two glass sheets stuck with a thermoplastic resin film, wherein the laminated glass has a first region and a second region; the second region is provided in a belt-like form along upper side of the laminated glass when the laminated glass is secured onto the vehicle; the first region has a visible light transmittance of 70% or higher; the second region has a visible light transmittance of 5% to 50%; the difference, in a light transmittance within a wavelength range of 750 to 1,000 nm, between the first region and the second region is 5% or less; and the second region has a light transmittance of 25% or higher, within a wavelength range of 750 to 1,000 nm.

Multi-modal tumor imaging of neuroblastoma is essential for tumor staging, response evaluation and detection of relapsed diseased. The present invention provides a norepinephine analogue with a near-infrared (near-IR) dye, W765-BG, that efficiently and stably detects neuroblastoma in vivo using near-IR optical imaging. Confocal microscopy and optical imaging of neuroblastoma xenografts shows cell specific uptake and reveals exceptional tumor retention with a high tumor-to-tissue ratio up to 7 days after injection of W765-BG.

The invention discloses a self-driven Schottky junction near-infrared photoelectric detector based on a silicone nanowire array and a preparation method of the photoelectric detector.The preparation method is characterized in that the silicone nanowire array is formed on the surface of a silicon substrate through a silver-assisted chemical etching method; the outer surfaces of silicone nanowires are evenly covered with metal copper films through a liquid phase reduction reaction, and Schottky junctions are formed by the metal copper films and the silicone nanowires; the back face of the silicone substrate is coated with an In/Ga conductive glue layer in a brushed mode, and the In/Ga conductive glue layer and the silicone substrate are in ohmic contact.According to the Schottky junction near-infrared photoelectric detector, the preparation process is simple and easy to carry out, and the performance of the detector is excellent.

It is an object to provide a near infrared light absorbable dye composition which absorbs near infrared light efficiently, has a high visible light transmittance, is excellent in light resistance, heat resistance and wet heat resistance, is hardly deteriorated in durability even when blended so as to have an absorption in a wide range of 800 to 1100 nm, and requires a low cost for synthesis and isolation thereof upon production, and provide a near infrared light absorbable filter containing the same. Provided is the near infrared light absorbable dye composition containing compounds represented by the following formulae (1), (2) and (3):

wherein R¹ to R⁴ represent an organic group which has a carbon atom at a binding position and may have a substituent or a hydrogen atom, R⁵ to R⁸ represent an aliphatic hydrocarbon group or an aryl group which may have a substituent, R¹ and R² and the like may together form a ring; R⁹ and R¹⁰ in the general formula (3) represent R¹ and R² or R³ and R⁴ in the general formula (1), and R¹¹ and R¹² in the general formula (3) represent R⁵ and R⁶ or R⁷ and R⁸ in the general formula (2), respectively.

The invention provides a sensing device, which comprises a light emitting module and a sensing layer arranged in a stack; the light emitting module comprises a plurality of light emitting elements which emit near infrared light; the sensing layer includes a plurality of quantum dot thin film transistors; the quantum dot thin film transistor comprises an active layer and a quantum dot covering theactive layer; the light emitted by the plurality of light emitting elements is reflected by the object to be measured and received by the plurality of quantum dot thin film transistors. The inventionalso provides a sensing method. The sensing device of the invention can better sense the suspension operation or biometric identification.

The invention relates to a preparation method of a near-infrared light codoped silver sulfide nano-luminescence material. The preparation method comprises the steps of synthesizing a mixed precursor, synthesizing a sodium sulfide precursor, and synthesizing the near-infrared light codoped silver sulfide nano-luminescence material. The preparation method is simple, easy in operation, mild in reaction conditions, low in cost and good in operability; and the obtained Ag2S:Mn:Eu nano-luminescence material or Ag2S:Eu:Mn nano-luminescence material, the obtained Ag2S:Eu:Y nano-luminescence material or Ag2S:Y:Eu nano-luminescence material, the obtained Ag2S:Mn:Y nano-luminescence material or Ag2S:Y:Mn nano-luminescence material and the obtained Ag2S:Y:Mn:Eu nano-luminescence material or Ag2S:Y:Eu:Mn nano-luminescence material have good crystallinity and high fluorescence intensity, are uniformly and stably dispersed and have good application prospects in the aspects of sensors, the production of nano-laser materials, DNA quantitative analysis and the like.

The embodiment of the invention provides a demosaicing method and device, electronic equipment and a storage medium. The method comprises: obtaining a target RGBIR image; performing first processing on the target RGBIR image by using a first neural network to obtain a target IR image; and/or performing second processing on the target RGBIR image by using a second neural network to obtain a target RGB image, wherein the first processing comprises: eliminating a visible light component in a pixel value corresponding to an IR channel pixel point in the target RGBIR image and predicting a pixel value of a color channel pixel point in an IR channel, and the second processing comprises: eliminating a near-infrared light component in a pixel value corresponding to the color channel pixel point in the target RGBIR image for each color channel, and predicting the pixel values of the pixel points except the pixel points of the color channel in the color channel.

The invention discloses a portable grain quality online detection device based on a near infrared spectrum. The device comprises a light-emitting module, a spectrum acquisition module and a control circuit module, the light-emitting module comprises a near-infrared LED light source and a holographic beam shaping diffusion film. The near-infrared LED light sources are installed in the periphery ofthe top of a lamp tube. A detection window is formed in the bottom of a lamp barrel; the holographic beam shaping diffusion film is arranged inside or below the detection window; the spectrum acquisition module comprises a photoelectric detector and a Fresnel lens; the Fresnel lens is installed right above the detection window, the photoelectric detector is installed above the Fresnel lens, the photoelectric detector is connected with the control circuit module, and the control circuit module sends collected data information to a receiving and displaying device in a wireless or wired communication mode. Real-time acquisition of grain quality information and geographic position information in the agricultural machinery operation process and drawing of a grain quality field distribution mapare realized.

The embodiment of the invention provides a camera module and a mobile terminal, the camera module comprises a first camera, a second camera and an image fusion unit, the first camera comprises a first lens group, a first light filtering device and a first image sensor which are sequentially arranged from an object side to an image side; the first light filtering device is used for transmitting near-infrared light to the first image sensor; the second camera comprises a second lens group, a second light filtering device and a second image sensor which are sequentially arranged from the object side to the image side, and the second light filtering device is used for transmitting visible light to the second image sensor; and the image fusion unit is electrically connected with the first image sensor and the second image sensor and is used for performing fusion processing on the image signals output by the first image sensor and the second image sensor to obtain a fused image. The camera module provided by the embodiment of the invention has the photosensitive capability for near-infrared light, can realize a defogging imaging effect, obtains a fused image with clear image quality, and improves the quality of the shot image.

The invention discloses a near-infrared photoelectrode cap with an optical fiber tip, comprising a test cap, the test cap is provided with a plurality of installation holes, and the installation holes are provided with a near-infrared photoelectrode; the near-infrared photoelectrode It is electrically connected to the instrument through a wire; a light diffusion sheet is provided on the side of the near-infrared photoelectrode away from the scalp, and the light diffusion sheet is electrically connected to the instrument through an optical fiber. The invention can realize the function of real-time monitoring whether the test cap is in poor contact and whether the impedance value reaches the standard by setting the optical fiber and the light diffusing sheet, and can safely and effectively avoid the phenomenon that the near-infrared photoelectrode is too strong to damage the user's head or have no therapeutic effect, and greatly improves the The safety and efficacy of using the test cap for diagnosis and treatment.

The invention provides an optical path adjustable pipe phase holdup detection system and method. The system comprises a pipe device, an optical path adjusting device, a light source emitter and a signal receiving device. The pipe device comprises an organic glass pipe located in the middle, and a large-diameter pipe, a transition tapered tube and a small-diameter pipe which are connected with twoends of the organic glass pipe in sequence. The optical path adjusting device comprises a first concave reflection mirror and a third concave reflection mirror which are set at the lower side of the organic glass pipe, and a first light guide mirror, a second concave reflection mirror and a second light guide mirror which are set in sequence at the upper side of the organic glass pipe. The first light guide mirror and the third concave reflection mirror are symmetrically set at two sides of a central axis of the second concave reflection mirror. The light source emitter is used for emitting visible light and near-infrared light. The system and the method are simple in structure. Free adjustment of an optical path is realized. The optical path is increased. A signal to noise ratio is improved. Measurement accuracy is improved. Real-time online detection can be realized.

The invention discloses a portable tobacco intelligent grading handheld device which is characterized by comprising a shell, a mainboard and a power module are installed in the shell, a display screenand a photographing key which are connected with the mainboard are arranged on the front face of the shell, and a high-definition camera and a near-infrared camera which are connected with the mainboard respectively are arranged on the back face of the shell; and the high-definition camera is used for collecting color images of tobacco leaves. The near-infrared camera is used for collecting images of tobacco leaves under near-infrared light. The mainboard is used for respectively analyzing, comparing and grading the color image of the tobacco leaves and the image of the tobacco leaves under the near-infrared light; and the power supply module is used for supplying power to the whole equipment. According to the portable tobacco intelligent grading handheld device, some defects of an existing device are overcome, and meanwhile through combination of the high-definition camera and the near-infrared camera and comparative analysis of two kinds of collected image processing, the tobacco leaf grading efficiency and accuracy are improved.