13 results about "Light activation" patented technology

The invention discloses an ultra-sensitive phototransistor based on double photoactivation layers. The photoelectric transistor is composed of a gate electrode (Si), a dielectric layer (HfO2), a light activation ion layer (PbI2), a channel (WSe2) and a source drain electrode (Au) in sequence from bottom to top. The phototransistor shows the advantage of extremely high sensitivity: on one hand, the phototransistor meets the test requirement in an extremely weak light environment, and the light intensity of a dark field detected by the phototransistor is 4 orders of magnitude lower than that of a commercial phototransistor; and on the other hand, the responsivity is four orders of magnitude higher than that of a commercial product. According to the invention, the photoactive ion layer PbI2 is introduced into a traditional photoelectric transistor structure based on a traditional two-dimensional material for the first time, the sensitivity of the device is greatly improved, and a new idea is provided for the development of an extremely dark field detection technology.

The application discloses a kind of based on double light activation layer's super-sensitivity phototransistor.The phototransistor described in the application is sequentially composed of gate electrode (Si), dielectric layer (HfO2), photoactive ion layer (PbI2), channel (WSe2) and source-drain electrode (Au) from bottom to top.The phototransistor described in the application exhibits extremely high sensitivity advantage: on the one hand, it meets the test demand in extremely weak light environment, and the dark field light intensity detected by it is lower than that of commercial phototransistor by 4 orders of magnitude;On the other hand, its responsivity is higher than that of commercial product by 4 orders of magnitude.PbI2, a photoactive ion layer, is introduced into the traditional phototransistor structure based on traditional two-dimensional material for the first time, which greatly improves the sensitivity of the device and provides a new idea for the development of extremely dark field detection technology.

A stroboscopic device to use a camera and a light source with software that generates synthetic and real video frames, compares the frames via a discriminator, repeat until a convergenc point is achieved where the discriminator can't reliably tell the real video frames from the synthetic video frames, analyzes a dense optical flow field between a first and second frame in a sequence of video frames to detect a motion, and controls a light activation to achieve a stroboscopic effect, wherein once achieved, a system identifies an object and automatically detects movement or vibration of the idenfied object using a trained model, enabling precise visualization and analysis of fast motions in video sequences.

A feature-rich, improved vehicle traffic signal control system that uses network technology is provided herein. For example, the improved vehicle traffic signal control system may include a control box and light heads that include processors. The control box in the improved vehicle traffic signal control system may include fewer components and / or fewer wires extending therefrom as compared to a typical control box. In particular, the control box in the improved vehicle traffic signal control system may not include relays, a conflict monitor, or other similar components. Rather, the improved control box may simply include a controller that is coupled to various light heads via Ethernet cables. The Ethernet cables can carry electrical power, thereby providing power to the light heads. The light head processors can use network technology to control light activation, to perform conflict monitoring, to receive data from various sensors to adjust traffic flow, etc.

The invention belongs to the technical field of organic light-emitting materials, and particularly discloses a near-infrared organic free radical afterglow material and a preparation method and application thereof. On the basis of a compound molecule TPP-o-3OMe-NH2-Br, a push-pull electron group 6-(dimethylamino) naphthalimide (NNI) and a push-pull electron group 6-bromonaphthalimide (NBI) are introduced, and the molecules TPP-o-3OMe-NNI-Br and TPP-o-3OMe-NBI-Br are designed and synthesized; after the TPP-o-3OMe-NNI-Br and the TPP-o-3OMe-NBI-Br are doped in the polymer PMMA, the long afterglow emission characteristic of different light activation times is achieved; the light activation time of the afterglow of the TPP-o-3OMe-NBI-Br coated PMMA film is obviously shortened, and the emission of the red afterglow is successfully realized by the TPP-o-3OMe-NNI-Br coated PMMA film; finally, the application of multi-color display and storage of optical information is achieved by combining the light-emitting characteristics of the two films, and the material is expected to provide a new thought for development of organic free radical light-emitting materials and multi-information encryption application.

The preparation method of a phosphorescent group 7H-indole [2,3-c] quinoline series derivative with light response belongs to the field of organic intelligent materials. Several organic phosphorescent materials with NBCz as the core provided in the application can realize a color change from green or yellow-green afterglow to orange-yellow afterglow under the influence of different light activation times of a 365nm ultraviolet lamp, so as to achieve light-induced phosphorescent color change-stimulative response, and therefore can be widely applied to anti-counterfeiting, data encryption and sensing applications. The organic phosphorescent material with NBCz as the core has the following advantages: (1) simple and easy-to-follow synthesis route; (2) simple light activation condition; (3) large stokes shift, and remarkable effect.

A premise-security system is disclosed combining a user-carried firearm with a remote light or lighting effect intended to be switched ON by the user who is bearing the firearm all the while the user poses a defensive posture, and causing the light / lighting effect to switch ON all while not dropping the defensive posture to a vulnerable posture, on a given self-defense occasion (eg., an after-dark home break-in home invasion by an intruder. The firearm is equipped with a manual switch module that has a switch, a power supply and wireless communications transmission circuits and components which, in response to manual activation of the switch, propagate a wireless communication or signal that causes the remote light or lighting effect to switch ON. The light and / or lighting effects are designed and disposed to provide the homeowner / resident / user to hide in darkness or shadows while brightly illuminating, dazzling, confusing and / or blinding the intruder.

There is provided a dynamically activated headlamp for being worn on a user's head, the dynamically activated headlamp including a light module, a primary light source for directing light in a forward direction relative to the user's head, a plurality of peripheral light sources arranged about a periphery of the primary light source for directing light in corresponding peripheral directions relative to the user's head, and a motion sensor configured to detect movement of the user's head. The dynamically activated headlamp includes a controller to automatically activate one or more of the peripheral light sources in response to movement of the user's head detected by the motion sensor when the detected movement meets a predetermined light activation parameter, and automatically deactivate the one or more peripheral light sources in response to detection of a predetermined light deactivation parameter.

The invention discloses a cell light activation system and activation method.The cell light activation system comprises a touch screen control module, an LED irradiation module, a power module and a data storage module, the touch screen control module provides a user interaction interface and is used for setting light activation parameters, and the LED irradiation module is electrically connected with the touch screen control module; the LED irradiation module generates light with a specific wavelength for cell light activation, the power supply module is electrically connected with the touch screen control module, the data storage module is electrically connected with the touch screen control module, and the data storage module is used for storing data in the light activation process; and the regeneration capacity of the cells can be obviously enhanced through a light activation technology. After tissue separation and homogenization, light activation can stimulate cells to secrete more growth factors and cell factors, and the factors are beneficial to own cells, can optimize the microenvironment of the whole tissue through paracrine action and can promote healing and regeneration of the tissue.

The invention discloses a hair removal device. The hair removal device is a handheld device for skin treatment by means of light. A handheld device includes a handle having a power source, a user interface, and at least two capacitors. Connected to the top surface of the base unit is a head having at least two flash lamps and at least two reflectors. The apparatus includes a control unit that regulates the voltage across the discharge capacitor to control the light energy from each flash lamp. Furthermore, the device is provided with replaceable cartridges, in which each type of cartridge has a unique window layout and has an electronic chip containing light activation-related information.

A feature-rich, improved vehicle traffic signal control system that uses network technology is provided herein. For example, the improved vehicle traffic signal control system may include a control box and light heads that include processors. The control box in the improved vehicle traffic signal control system may include fewer components and / or fewer wires extending therefrom as compared to a typical control box. In particular, the control box in the improved vehicle traffic signal control system may not include relays, a conflict monitor, or other similar components. Rather, the improved control box may simply include a controller that is coupled to various light heads via Ethernet cables. The Ethernet cables can carry electrical power, thereby providing power to the light heads. The light head processors can use network technology to control light activation, to perform conflict monitoring, to receive data from various sensors to adjust traffic flow, etc.

An agricultural vehicle having a cart operably coupled thereto. The agricultural vehicle may include a guidance system for controlling operation of the agricultural vehicle and the cart and including: at least one processor; and at least one storage medium storing instructions thereon that, when executed by the at least one processor, cause the guidance system, during an agricultural operation, to: capture image data of a plurality of transport vehicles; analyze the captured image data to identify a candidate target transport vehicle of the plurality of transport vehicles; activate a light emitting device of an intended target transport vehicle; detect light emitted by the light emitting device to verify the candidate target transport vehicle matches the intended target transport vehicle; and responsive to identifying and verifying the candidate target transport vehicle of the plurality of transport vehicles, cause the agricultural vehicle to automatically align with the candidate target transport vehicle.

The present patent application provides a halogen benzene derivative and its preparation method and application. The halogen benzene derivative has a structural formula as shown in formula (I), X is a halogen atom (F, Cl, Br), and R is an electron donor group. The present patent application uses a halogen benzene group as an acceptor structure to connect different donor groups R, and synthesizes a guest material through a Suzuki reaction, while the host material is polymethyl methacrylate (PMMA). A light-activated light-stimulation-responsive film material can be obtained by a host-guest doping method, which exhibits different luminous intensities under different illumination times of a 365nm ultraviolet lamp. The light-activated characteristics of the film having different luminous intensities under different illumination times can be applied to display, information encryption, anti-counterfeiting and other aspects.