25 results about "Color wavelength" patented technology

The invention provides a continuous depth gradually-changing grating structure based on a silicon carbide substrate and a preparation method thereof. The preparation method comprises the following steps: forming a sacrificial layer with gradually-changing thickness on the silicon carbide substrate; etching is carried out by adopting a two-step plasma etching process; and polishing the surface through a plasma polishing process. According to the invention, the gradient sacrificial layer is combined with two-step plasma etching, and a high-precision continuous depth gradient grating structure is realized on the silicon carbide substrate, so that the diffraction requirements of RGB three-color wavelengths are met; the micro-groove defect in the etching process is eliminated, the problem that the depth-to-width ratio and the surface quality cannot be considered in the traditional process is solved, and a key technical support is provided for mass production of the single-layer full-color optical waveguide; the transmission loss of the optical waveguide is reduced by controlling the surface roughness; and the product yield is improved, the production cost is reduced, and the method is suitable for large-scale production.

The invention relates to the technical field of forest vegetation monitoring, in particular to a forest vegetation parameter real-time monitoring method based on unmanned aerial vehicle images, which comprises the following steps: starting an unmanned aerial vehicle, carrying out real-time image acquisition on a predetermined forest area through a camera, carrying out continuous image capture, synchronously calibrating the camera and setting matched differentiated illumination and depth-of-field conditions; and generating forest image acquisition data. According to the method, the chlorophyll concentration and the leaf area index can be accurately measured through analysis of different color wavelength reflectance, the understanding and tracking precision of the vegetation physiological state is improved, long-term vegetation changes can be carefully monitored through time sequence analysis, the prediction capacity of forest ecological behaviors is enhanced, and the method is suitable for popularization and application. Drought response and pest and disease damage signs are monitored in real time, the timeliness and accuracy of health state evaluation are enhanced, the real-time performance and continuity of data are ensured by dynamically updating a forest vegetation database, and the dynamic monitoring and decision support capacity of forest management is remarkably improved.

Scalable multi-band wavelength division multiplexing (WDM) transceiver architectures suitable for high-bandwidth optical Compute interconnects (OCI) between computing resources. The WDM wavelength range is divided into two or more color / wavelength bands. Each band of WDM optical signals may be coupled through separate semiconductor optical amplifiers (SOAs) that are tuned to the different bands. The bands may be conveyed through an optical MUX / DeMUX for transmission through an optical fiber. The optical MUX / DeMUX may comprise a band MUX / DeMUX or a polarization MUX / DeMUX.

Image sensors, imaging systems, and methods for constructing image sensors. The image sensor includes a pixel array. The pixel array includes a first photosensitive region, a second photosensitive region, a spectral router, and a spectral filter. The first photosensitive region is configured to detect visible light within a color wavelength range. The second photosensitive region includes a plurality of light scattering structures. The second photosensitive region is configured to detect infrared light. The spectral router is positioned over at least the first photosensitive region. The spectral router is configured to route the visible light within the color wavelength range to the first photosensitive region. The spectral router is also configured to route the infrared light to the second photosensitive region. The spectral filter is positioned over the spectral router. The spectral filter is configured to block visible light outside of the color wavelength range.

The present disclosure relates to a model decimation method, device, medium and electronic equipment. The method comprises: dividing a model surface into a plurality of sub-regions; rendering the model and determining state information of each sub-region under multiple perspectives, wherein the state information comprises brightness, contrast and color; determining a decimation degree of each sub-region according to the state information; and performing a decimation operation in the corresponding sub-region according to the decimation degree. The sensitivity of the human eye to different brightness, contrast and different color wavelengths is different, and the decimation degree of each sub-region determined according to the state information can ensure the recognition accuracy of the human eye. By determining the state information under different perspectives, the accuracy of the decimation degree of each sub-region determined can be improved. In this way, the complexity of the model can be reduced while ensuring the visual experience of the user.

To provide a display device with high definition or high resolution.SOLUTION: A first light-emitting device, a second light-emitting device, a first insulating layer, a first color conversion layer, and a second color conversion layer, the first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, and a common electrode over the first light-emitting layer, the second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, and a common electrode over the second light-emitting layer; The first insulating layer covers side surfaces of the first pixel electrode, the second pixel electrode, the first light-emitting layer, and the second light-emitting layer, the first color conversion layer is provided to overlap with the first light-emitting device, the second color conversion layer is provided to overlap with the second light-emitting device, the first light-emitting device and the second light-emitting device have a function of emitting blue light, and the first color conversion layer and the second color conversion layer have a function of converting blue light into light with a different wavelength.SELECTED DRAWING: Figure 1

Scalable multi-band wavelength division multiplexing (WDM) transceiver architectures suitable for high-bandwidth optical Compute interconnects (OCI) between computing resources. The WDM wavelength range is divided into two or more color / wavelength bands. Each band of WDM optical signals may be coupled through separate semiconductor optical amplifiers (SOAs) that are tuned to the different bands. The bands may be conveyed through an optical MUX / DeMUX for transmission through an optical fiber. The optical MUX / DeMUX may comprise a band MUX / DeMUX or a polarization MUX / DeMUX.

A microcavity pixel array device and method of manufacture having a shared multi-DBR system configured to cover a broad spectral bandwidth range. A wide emission band is achieved by depositing a first DBR on top of an OLED array and subsequently depositing a second DBR on top of the first DBR, where each DBR has a unique design. The multiple DBRs cover a wider spectral bandwidth range than a single DBR, and therefore almost total reflection is achieved for a series of OLEDs designed at different color wavelengths.

The invention provides a nanoimprint generation method and device for structural colors and imprint equipment, and relates to the technical field of nanoimprint .The method comprises the steps that in the first direction, multiple times of imprint are conducted on the surface of a workpiece through an imprint head, and a first pit sequence is formed; the first pit sequence comprises a first pit and a second pit located in the first direction of the first pit, the vertical distance between the first pit and the second pit in the first direction is a first numerical value, and the first numerical value is determined according to the main color wavelength of the structural color displayed by the second pit. By adjusting the imprinting distance between every two adjacent pits, the pits can present the needed color, and the imprinting efficiency and flexibility of the structural color pattern are improved.

A technology is described for a system for identifying a colorimetric test result from a pathogen test performed on a solid phase substrate. The system can comprise a sensor configured to detect a spectrum of color wavelengths. The system can comprise one or more processors. The one or more processors can be configured to: receive color wavelength data; determine a wavelength threshold for providing a pathogen positive test result; identify whether the color wavelength data meets or exceeds the wavelength threshold for providing a pathogen positive test result; and generate a result indicator indicating either a pathogen positive or pathogen negative test result.

A virtual reality (VR) system can be implemented for evaluating color wavelength sensitivity. The system can use an electronic device featuring a head-mounted display (HMD) and eye-tracking sensors. The system can generate a VR user interface that creates a three-dimensional virtual environment, rendered on the HMD. Within this virtual space, the system can simulate a variety of color wavelength tasks. As users engage with these tasks, the eye-tracking sensors can continuously monitor responses to the simulated tasks. The system can then analyze the tracked data for color wavelength sensitivity performance.

A scalable multiband wavelength division multiplexing (WDM) transceiver architecture suitable for high bandwidth optical computing interconnect (OCI) between computing resources. The WDM wavelength range is divided into two or more color / wavelength bands. Each band of the WDM optical signal may be coupled by separate semiconductor optical amplifiers (SOAs) that are tuned to different bands. The wavebands may be transmitted over an optical MUX / DeMUX for transmission over an optical fiber. The optical MUX / DeMUX may include a band MUX / DeMUX or a polarization MUX / DeMUX.

The chromaticity and luminous flux output of a multicolor luminaire with multiple independent wavelength outputs is controlled by a controller that has fewer input channels than there are output channels. A trained neural network is used such that the multi-color wavelength settings of the luminaire produce the specified chromaticity and luminous flux output while optimizing luminous efficacy or color rendering capabilities, or satisfying other constraints applied to the luminaire.

An electronic device includes a first pixel having a single junction and a second pixel having a heterojunction formed by a semiconductor substrate layer in contact with a quantum dot layer. A first filter of a first color, configured to let through wavelengths of the first color and infrared, is arranged vertically in line with the first pixel and at least partially vertically in line with the second pixel. An optical element is interposed between the first filter and the second pixel. The first filter and the optical element operate so that the first pixel receives wavelengths of the first color and the second pixel only receives infrared wavelengths.

The application provides a continuously deep-graded grating structure based on a silicon carbide substrate and a preparation method thereof, and the preparation method comprises the following steps: forming a thickness-graded sacrificial layer on the silicon carbide substrate; performing etching by adopting a two-step plasma etching process; and polishing the surface by adopting a plasma polishing process. By combining the thickness-graded sacrificial layer and the two-step plasma etching process, the continuously deep-graded grating structure with high precision is realized on the silicon carbide substrate, so as to match the diffraction requirements of RGB three-color wavelengths; the micro-groove defects in the etching process are eliminated, the problem that the traditional process cannot simultaneously consider the aspect ratio and the surface quality is solved, key technical support is provided for single-layer full-color optical waveguide mass production; the optical waveguide transmission loss is reduced by controlling the surface roughness; moreover, the product yield is improved, the production cost is reduced, and the application is suitable for large-scale production.

This invention provides a near-infrared high-reflectivity structural color filter and its fabrication method, relating to the field of optical technology. The near-infrared high-reflectivity structural color filter includes a substrate and, sequentially formed on the substrate, a reflective layer, a first dielectric layer, a first absorption layer, a second dielectric layer, a second absorption layer, and an anti-reflective layer. The reflective layer, the first dielectric layer, and the first absorption layer constitute a first optical resonant cavity, and the first absorption layer, the second dielectric layer, and the second absorption layer constitute a second optical resonant cavity. Both the first and second absorption layers exhibit lower absorption rates for visible light within the target color wavelength range than for visible light within the non-target color wavelength range, and their absorption rates for near-infrared light are lower than a preset absorption rate threshold. By employing two continuous asymmetric optical resonant cavities and a top anti-reflective layer, high-purity and high-brightness colors are achieved in the visible light range, and cooling functionality is achieved using the high reflectivity of the near-infrared band. Furthermore, the process is low-cost and simple.

Image sensor pixels and methods for constructing the same. The image sensor pixel includes a first photodetector, a second photodetector, a first spectral router, and a second spectral router. The first spectral router is positioned above the first photodetector and the second photodetector. The first spectral router is configured to direct incident light in a first subset of a first color wavelength range to the first photodetector and direct incident light in a second subset of the first color wavelength range to the second photodetector. The second spectral router is positioned above the first spectral router. The second spectral router is configured to direct the incident light in the first subset and the second subset of the first color wavelength range to the first spectral router. The second spectral router is configured to direct incident light in a second color wavelength range to one or more neighboring image sensor pixels.

The chromaticity and luminous flux output of a multicolor luminaire with multiple independent wavelength outputs is controlled by a controller that has fewer input channels than there are output channels. A trained neural network is used such that the multi-color wavelength settings of the luminaire produce the specified chromaticity and luminous flux output while optimizing luminous efficacy or color rendering capabilities, or satisfying other constraints applied to the luminaire.

The invention discloses non-conjugated cluster luminescent polyamide as well as a preparation method and application thereof. The preparation method comprises the following steps: by taking amino acid, aldehyde and isonitrile as raw materials, carrying out Ugi polymerization reaction to obtain corresponding non-conjugated cluster luminous polyamide; multi-component regulation is used, space conjugation can be regulated through substituent groups and heteroatom substitution positions, finally, full-light-color wavelength regulation and quantum yield are greatly improved, and the cluster light-emitting polyamide material is a weak-acting-group organic light-emitting material with the potential of being applied to photoelectric devices, biological imaging and light-emitting fibers.

An information handling system may include a configuration detection system to identify different components within the information handling system by scanning one or more fluorescent based-markers on each of the components. A fluorescent based-marker is a labeling convention or a product code that uses a fluorescent dye on a barcode line, serial number, model number, fiducal marker, etc. to emit or reflect a different color wavelength when excited by an ultra-violet (UV) light. By using a preconfigured mapping table, the configuration detection system can determine one or more colors that correspond to the scanned fluorescent based-markers. The determined color or a combination of the determined colors can be used to identify each of the components in the information handling system.

The invention relates to an image sensor with integrated visible and infrared pixels. The invention provides an image sensor, an imaging system and a method for constructing the image sensor. The image sensor includes an array of pixels. The pixel array includes a first photosensitive region, a second photosensitive region, a spectral router, and a spectral filter. The first photosensitive region is configured to detect visible light in a color wavelength range. The second photosensitive region includes a plurality of light scattering structures. The second photosensitive region is configured to detect infrared light. A spectral router is positioned over at least a first photosensitive area. The spectral router is configured to route visible light within the color wavelength range to the first photosensitive region. The spectral router is further configured to route the infrared light to the second photosensitive area. A spectral filter is positioned over the spectral router. The spectral filter is configured to block visible light outside the color wavelength range.

A technology is described for a system for identifying a colorimetric test result from a target nucleotide test performed on a solid phase substrate. The system can comprise a sensor configured to detect a spectrum of color wavelengths. The system can comprise one or more processors. The one or more processors can be configured to: receive color wavelength data; determine a wavelength threshold for providing a target nucleotide positive test result; identify whether the color wavelength data meets or exceeds the wavelength threshold for providing a target nucleotide positive test result; and generate a result indicator indicating either a target nucleotide positive or target nucleotide negative test result.

A virtual reality (VR) system can be implemented for testing and recommending adaptive eyewear for color blindness. The system can use an electronic device featuring a head-mounted display (HMD) and eye-tracking sensors. The system can generate a VR user interface that creates a three-dimensional virtual environment, rendered on the HMD. Within this virtual space, the system can simulate a variety of color wavelength tasks. As users engage with these tasks, the eye-tracking sensors can continuously monitor responses to the simulated tasks. The system can then analyze the tracked data for color perception performance and recommend adaptive eyewear for color blindness.

Page 1 of 1 Page 1 of 1 1 Abstract. A Optical Transceiver for transmitting and receiving or relaying digital and or analogue signals through optical fibre or laser or wide angel light based signal carrier transmitter. The transmission side incorporating a plurality of light sources such as LED’s and a prism and / or a focusing lens and and / or mirror to transmit digital or analogue signals through optical fibre or laser. The plurality of light sources consist of general non-coloured light sources or multi coloured light sources, each light source having different wave lengths of light or archiving different wave lengths of light through a prism or diffraction grating. For example red, orange, yellow, green, blue, violet, ultraviolet and infrared. The receiving side incorporates a focusing lens and or mirror, a prism or diffraction grating or a plurality of light filters and a plurality of photosensitive devices such as photo diodes or photo transistors. Or a plurality photosensitive devices with narrow band wavelength sensitivity. This configuration allows the simultaneous transmission of multiple channels of data increasing the speed of data transfer. Each channel of data is transmitted through a respective coloured light sauce or general non-coloured or coloured light sources and prism, then focused to a single stream of light, at the receiving end this stream of light is split and focused into separate colour wave length streams and received through respective optical sensors or focused to and received with respective narrow band optical sensors. More channels can be added by incorporating polarizing filters and more light saucers in the transmitting side and polarizing filters and more optical photo sensors in the receiving side. Thus creating polarized streams of light with polarized angles. Light sauces are directed through polarizing filters on the transmitting side. On the receiving side the light is directed through more polarizing filters and on to photo sensors. Each channel has a polarized angle and a colour or wavelength of light. Full duplex transmission and reception can be achieved by incorporating both light saucers and light sensors at both ends of the optical fibre or light-carrying medium. Page 1 of 1 Abstract. A Optical Transceiver for transmitting and receiving or relaying digital and or analogue signals through optical fibre or laser or wide angel light based signal carrier transmitter. The transmission side incorporating a plurality of light sources such as LED's and a prism and / or a focusing lens and and / or mirror to transmit digital or analogue signals through optical fibre or laser. The plurality of light sources consist of general non-coloured light sources or multi coloured light sources, each light source having different wave lengths of light or archiving different wave lengths of light through a prism or diffraction grating. For example red, orange, yellow, green, blue, violet, ultraviolet and infrared. The receiving side incorporates a focusing lens and or mirror, a prism or diffraction grating or a plurality of light filters and a plurality of photosensitive devices such as photo diodes or photo transistors. Or a plurality photosensitive devices with narrow band wavelength sensitivity. This configuration allows the simultaneous transmission of multiple channels of data increasing the speed of data transfer. Each channel of data is transmitted through a respective coloured light sauce or general non-coloured or coloured light sources and prism, then focused to a single stream of light, at the receiving end this stream of light is split and focused into separate colour wave length streams and received through respective optical sensors or focused to and received with respective narrow band optical sensors. More channels can be added by incorporating polarizing filters and more light saucers in the transmitting side and polarizing filters and more optical photo sensors in the receiving side. Thus creating polarized streams of light with polarized angles. Light sauces are directed through polarizing filters on the transmitting side. On the receiving side the light is directed through more polarizing filters and on to photo sensors. Each channel has a polarized angle and a colour or wavelength of light. Full duplex transmission and reception can be achieved by incorporating both light saucers and light sensors at both ends of the optical fibre or light-carrying medium. Page 1 of 1 1 20 25 22 39 36 01 S ep 2 02 5 2 0 2 5 2 2 3 9 3 6 0 1 2 0 2 5 S e p Page 1 of 30 Page 1 of 30 1 1 Page 1 of 30 1 Figure 1A 1 6 12 13 2 7 3 8 4 9 5 11 10 1 Infrared light source. (LED) . 6 Infrared light sensor. (photo diode). 2 Red light source. (LED). 7 Red light sensor. (photo diode). 3 Green light source. (LED). 8 Green light sensor. (photo diode). 4 Blue light source. (LED). 9 Blue light sensor. (photo diode). 5 Ultraviolet light source. (LED). 10 Ultraviolet light sensor. (photo diode). 12 Focusing lens. 11 Optical fibre. 13 focusing lens. Page 1 of 30 1 20 25 22 39 36 01 S ep 2 02 5 2 0 2 5 2 2 3 9 3 6 0 1 S e p 2 0 2 5 7 1 1

A display device is disclosed that includes a first substrate, a plurality of first color filters included in a color filter layer and transmitting first color light having a first color wavelength included in a first wavelength band, a plurality of second color filters included in the color filter layer and transmitting second color light having a second color wavelength included in the first wavelength band, a plurality of third color filters included in the color filter layer and transmitting third color light having a third color wavelength included in the first wavelength band, and a photoactive layer responsive to light having a second wavelength included in a second wavelength band different from the first wavelength band and including two or more openings overlapping with two or more second color filters among the plurality of second color filters.