60results about How to "Achieve brightness" patented technology

Mechanical or Chemical pulp is treated with about 0.01 weight % to about 5 weight % of a Mixture. The Mixture is water; diethylenetriaminepentakis(methyl)phosphonic acid or its known salts; polyacrylic acid or its known salts; and optionally one or more inert compounds. This Mixture acts to either maintain the brightness level of the pulp at the target level or to increase the brightness level of the pulp. In addition the Mixture allows for maintaining the pulp at the target level of brightness even when the amounts of other ingredients, such as hydrogen peroxide, hydrosulfite, sodium silicate and magnesium, that are typically added to the pulp, are reduced.

The invention discloses a vehicle information sensing system and method. The system comprises a vehicle-mounted unit, a plurality of sensing units and a comprehensive management platform. The vehicle-mounted unit is arranged in a vehicle and used for sending vehicle information at least containing vehicle identity information to the sensing units. The sensing units are distributed along a road and communicated through a wireless self-organization communication network. The sensing units are used for receiving the vehicle information and sending the vehicle information to the comprehensive management platform. The comprehensive management platform is used for obtaining vehicle speeds, vehicle positions and / or traffic flow information according to the received vehicle information. The vehicle information of the road can be obtained in time.

The invention discloses a gamma correction method and apparatus for a display module group. The method comprises: a time parameter value registered by a time register is obtained; the obtained time parameter value is assigned to a counter and the counter is started to start counting; if the counter completes timing, a compensation frequency parameter value registered by a compensation frequency register is corrected; gamma register value adjustment is carried out on one group of pre-stored compensation values corresponding to all gray scales and gamma correction is carried out on a display module group. According to the gamma correction method and apparatus disclosed by the invention, gamma register value adjustment can be carried out on one group of pre-stored compensation values corresponding to all gray scales and thus gamma correction is carried out on the display module group. Therefore, the device luminance can be compensated automatically; the color cast can be eliminated; and the influence on the display effect by device aging can be reduced.

A light-emission control circuit may include n light-emitting devices, where n is an integer equal to or greater than 2; a light guide plate which causes light emitted by the n light-emitting devices to reach the entirety of the back of a liquid crystal panel; a measuring unit for measuring a luminance of the entirety of the n light-emitting devices operating in the liquid crystal panel; and a control unit for comparing the measured luminance with a predetermined value and controlling the luminance of the n light-emitting devices, based on a result of comparison, wherein the n light-emitting devices are attached to a side of the light guide plate, and the measuring unit is attached to an opposite side of the light guide plate.

An apparatus for converting a digital pixel signal to a gamma voltage signal for a pixel in a liquid crystal display (LCD), wherein the digital pixel signal corresponds to the pixel. The apparatus includes a pixel signal converting unit for converting the digital pixel signal to a converted pixel signal and a gamma correction unit coupled to the pixel signal converting unit for outputting the gamma voltage signal according to the converted pixel signal. The relation between the digital pixel signal and the converted pixel signal is determined according to a display color of the pixel.

Mechanical or Chemical pulp is treated with about 0.01 weight % to about 5 weight % of a Mixture. The Mixture is water; diethylenetriaminepentakis(methyl)phosphonic acid or its known salts; polyacrylic acid or its known salts; and optionally one or more inert compounds. This Mixture acts to either maintain the brightness level of the pulp at the target level or to increase the brightness level of the pulp. In addition the Mixture allows for maintaining the pulp at the target level of brightness even when the amounts of other ingredients, such as hydrogen peroxide, hydrosulfite, sodium silicate and magnesium, that are typically added to the pulp, are reduced.

The invention provides a lamp control device. The lamp control device comprises an infrared transmitter, a storage device, an illumination sensor and a controller, wherein the infrared transmitter is used for transmitting an infrared control command; the storage device is used for storing a plurality of preconfigured illumination intensity threshold ranges; the illumination sensor is used for monitoring the current illumination intensity of the ambient environment; the controller is used for periodically reading the current illumination intensity, generating a corresponding infrared switching command and a corresponding infrared intensity regulating command according to a matched illumination intensity threshold range when the current illumination intensity is matched with one of the illumination intensity threshold ranges, and transmitting the infrared switching command and the infrared intensity regulating command to a lamp through the infrared transmitter. According to the lamp control device in the embodiment of the invention, automatic switching and automatic intensity regulation for the lamp can be controlled, so that the manual operation of users is reduced, the comfort level of the environment and the flexibility of lamp control are improved, and the user experience is promoted.

The invention relates to a dimming and color modulation controller based on input voltage control and a method of the dimming and color modulation controller. The controller comprises an input unit, a power supply unit, an input voltage detection unit, a master control chip U1, an output unit and a dummy load control unit, wherein the input unit is connected with an LED driving power supply and inputs a voltage to the master control chip U1, the input voltage detection unit is used for detecting an input voltage of the LED driving power supply and inputs to the master control chip U1, the master control chip U1 outputs a signal to control the dummy load control unit so as to indirectly control the output unit, the output unit is connected with a lamp, and the dummy load control unit is used for outputting a signal to control the LED driving power supply to discharge under the control of the master control chip U1. By the controller, the switch-on and switch-off actions of an AC switch of the LED driving power supply are enabled to be accurately judged within the shortest time, switching of color temperature and brightness of an LED can be achieved, the controller is high in flexibility, and the matching of the LED driving power supply and the diming and color modulation controller is convenient.

The invention discloses a telescopic electric torch with the conveniently-adjusted luminance. The telescopic electric torch comprises a torch body (1). A connecting base (2) is arranged at the lower end of the torch body (1). Focusing threads (3) are arranged on the connecting base (2). A plurality of transparent sheets (4) are connected to the outer edge of the lower end of the connecting base (2), and the transparency of the transparent sheets (4) is different. Fixing threads (5) are arranged at the lower end of the corresponding transparent sheet (4). A lamp bead (6) is arranged in the transparent sheets (4). A lampshade (7) is connected to the outer side of the connecting base (2). Inner threads are arranged at the top end of the inner side of the lampshade (7). A lens (8) is connected to the middle of the lower end of the lampshade (7). A light reflection cover (9) is connected to the upper portion of the lens (8). A light reflection sheet (10) is arranged on the light reflection cover (9). Through holes (11) are formed in the middle of the light reflection sheet (10) and the middle of the light reflection cover (9). The telescopic electric torch has the advantages of being large in illuminating range and wide in application range, the luminance can be conveniently adjusted, and use is convenient.

The invention relates to electrode material which is characterized in that it has a fluorophor layer on its inner wall, a glass tube with rare gas and mercury sealed in it and a pair of electrodes which are equipped on the two ends of the glass tube. Wherein the electrodes are comprised with Ni alloys, the Ni alloys comprise at least one element out of the basic group comprised with rare-earth element Ti, Hf, Zr, V, Fe, Nb, Mo, Mn, W, Sr, Ba, B, Th, Be, Si, Al, Y, Mg, In, which total mass is greater or equal to 0.001 mass percentages and less or equal to 5.0 mass percentages, and the rest of the alloys is Ni and other foreign materials. As the electrode is comprised with Ni alloys, it has the advantages of having good discharge character, oxidation resistance, sputter resistance and reaction resistance of mercury.

An electro-optical projection system includes a polarizer, a reflective light modulator, an analyzer, and a compensation element. The polarizer polarizes an illumination beam to form a polarized illumination beam. The reflective light modulator receives the polarized illumination beam along a first optical path, modulates the polarized illumination beam to form an imaging beam, and reflects the imaging beam along a second optical path. The compensation element is disposed in the polarized illumination beam and the imaging beam to compensate for polarization aberrations resulting from the birefringent property of the material of the reflective light modulator. The compensation plate has a retardation generally equal in magnitude and opposite in sign as compared to the retardation of the liquid crystal material of the reflective light modulator.

A lighting device 12 of the present invention includes a light source 17, a chassis 14 configured to house the light source 17 and having an opening 14b for light from the light source 17 to pass through, and an optical member 15a provided so as to face the light source 17 and cover the opening 14b. The chassis 14 has a surface facing the optical member 15a. The surface includes at least a first end portion 30A, a second end portion 30B, and a middle portion 30C located between the first end portion 30A and the second end portion 30B. One or two of the first end portion 30A, the second end portion 30B and the middle portion 30C are configured as light source installation areas LA in each of which the light source 17 is arranged, and the rest is configured as an empty area LN in which no light source 17 is arranged. The optical member 15a has a portion that overlaps the light source installation area LA at least a surface of which faces the light source 17 has a light reflectance higher than a light reflectance of at least a surface of a portion that overlaps the empty area LN facing the light source 17.

The invention relates to a wireless dimming and toning intelligent lighting system which comprises a mobile control terminal, a router, an intelligent gateway, and an LED lamp group. A mobile control end is connected to the router through WiFi. The router is connected to the intelligent gateway which is in a two-way wireless communication with the LED lamp group. The intelligent gateway is formed by an RJ45 network interface, a data processing unit, a network chip, a first wireless transmission processing unit. The LAN port of the router is connected to the RJ45 network interface of the intelligent gateway. The data processing unit is a microcontroller unit (MCU) which is connected to the network chip through a parallel bus. The microcontroller unit (MCU) is connected to the first wireless transmission processing unit through a UART series interface. The first wireless transmission processing unit is connected to a second wireless transmission processing unit which is connected to an LED lamp group driving module which is connected to an LED lamp group. According to the wireless dimming and toning intelligent lighting system, the random brightness and color wireless control of light is realized, the system is suitable for various scene lighting, and the system has the advantages of convenience and rapidness, energy saving, environment protection and low cost.

The invention provides a lamp and a control method and device thereof. The method comprises the steps: controlling lamp beads in a lamp bead set to be lightened one by one; and when each lamp bead islightened, obtaining a current display color value and a target display color value of the lamp bead, and adjusting the display color value of the lamp bead according to the current display color value and the target display color value so as to realize change control of the brightness and the color of the lamp bead set.

The invention relates to a color-changing tag system and method as well as a refrigerator adopting the color-changing tag system. The color-changing tag system comprises a trigger signal collecting module, a master control module and a color-changing tag main body; the color-changing tag main body comprises an electrochromic layer or is formed by laminating at least two electrochromic layers; two adjacent electrochromic layers of the color-changing tag main body formed by laminating the at least two electrochromic layers are bonded and fixed through a transparent non-conducting adhesive; the master control module is connected with the color-changing tag main body through lead wires, and the lead wires are respectively provided with a control switch; the trigger signal collecting module sends a collected trigger signal to the master control module; the master control module sends a color control signal to the control switches to control each electrochromic layer to be energized or de-energized. Through applying an intelligent control system onto a household appliance nameplate, nameplate markers of household appliances can be seen clearly under different light intensities, so that trademarks and the nameplates are intelligentized, the quality of the household appliances are promoted and that the diversity of the household appliance trademarks is realized.

The invention discloses a nano cleaning care solution which contains the following components in percentage by weight: 50-85% of deionized water, 4-42% of nano powder and 8-15% of aids. The nano cleaning care solution is unique in decontamination effect and wide in purposes and does not have any side effect on human skin.

The invention discloses a three-wire colorful LED lamp strip. The three-wire colorful LED lamp strip comprises a power supply plug, an input power supply wire, a controller, an output power supply wire and a lamp strip body electrically connected in sequence, wherein functional keys are arranged on the controller; three parallel main leads S1, S2 and S3, a single-color LED lamp string and a double-color LED lamp string are arranged in the lamp strip body; the single-color LED lamp string R is connected between the main leads S1 and S2; the double-color LED lamp string is connected between the main leads S2 and S3, and is serially connected by multiple double-color LED sets; and two LED base colors contained in the double-color LED sets and an LED color of the single-color LED lamp string are formed to a three-color combination. The LED lamp strip is formed by matching three main leads with a nonpolar blue-green double-color LED lamp string and a red LED lamp string, reduces one main wire compared with a traditional lamp string having four wires, simplifies the production process, saves the internal space, and reduces the manufacturing cost.

The invention discloses a converting circuit and a working method thereof, a compensation device and a display device. The converting circuit comprises a forming unit and an input unit; the forming unit is connected with an output terminal and a first voltage terminal; and the input unit is connected with an input terminal and the output terminal. The forming unit is used for forming a standard resistor according to a standard current and a preset voltage; the input unit is used for outputting a driving current according to the driving current inputted by the input terminal; and the forming unit is used for forming a voltage signal based on an input signal of the first voltage terminal and the driving current. According to the technical scheme, the standard resistor is formed based on the standard current and the preset voltage and thus the resistor precision is set at a same value, so that a pixel driving current can be converted into a voltage signal accurately and thus the conversion precision loss caused by the individual resistor difference can be avoided.

The invention relates to a novel augmented reality near-to-eye display device and augmented reality display equipment. The augmented reality near-to-eye display device comprises a display source, a collimation system and an X-type polarization array optical waveguide lens; the display source is arranged on a main optical axis of the collimation system and used for loading and outputting an image, the display source comprises a red light Micro-LED micro-display, a green light Micro-LED micro-display, a blue light Micro-LED micro-display and a light combination prism, and the light combination prism is used for combining emergent light of the red light Micro-LED micro-display, emergent light of the green light Micro-LED micro-display and emergent light of the blue light Micro-LED micro-display into one beam; the collimation system is positioned on the light emitting surface of the display source and is used for collimating and correcting an image output by the display source and then enabling the image to enter the ''X-type'' polarization array optical waveguide lens; and the ''X-shaped'' polarization array optical waveguide lens is arranged on an emergent light path of the collimation system and is used for coupling the coupled light to human eyes. According to the scheme, high-brightness color display of the near-to-eye display device can be realized.

The invention relates to a method and a device for adjusting display brightness and a piece of electronic equipment. The method comprises the following steps of: determining the brightness level of the current environment; determining a preset display brightness corresponding to the brightness level; adjusting the current display brightness based on the preset display brightness, wherein the current display brightness is the brightness of a virtual screen which is currently displayed by a display screen. According to the technical scheme, the brightness of the virtual screen displayed in the display screen can be adjusted based on the brightness of the environment, so the flexibility of adjusting the display brightness of the virtual screen is improved, and the requirements from users aremet.

The present invention discloses an LED lamp control system and method based on an IOT. The system comprises a terminal equipment node device, a gateway plate node device and Android terminal equipment, wherein the terminal equipment node device comprises a power taking circuit which is coupled to a battery-online power supply switch circuit and a charge circuit, the battery-online power supply switch circuit is coupled to the control circuit which is coupled to a ZigBee wireless communication module, and the ZigBee wireless communication module is coupled to a photoelectric isolation circuit. The gateway plate node device comprises a ZigBee router, a ZigBee coordinator, and a serial communication circuit connected to a PC machine. The Android equipment is connected to the terminal equipment node device and the gateway plate node device through WIFI, Bluetooth and / or LTE. According to the LED lamp control system and the method, the cluster LED lamp switch and brightness control are realized through an Android smart handheld terminal.

The invention provides an LED power source. The LED power source comprises an alternating-current and direct-current conversion device and a multi-channel output device, wherein the alternating-current and direct-current conversion device is used for supplying direct current to LED lamp beads, the multi-channel output device is provided with two or more direct-current output ports, the direct-current output ports are used for being electrically connected with the two or more sets of LED lamp beads, and the multi-channel output device is configured in the mode that the direct current is output selectively through one or more direct-current output ports to light up one or more sets of LED lamp beads.

The invention discloses an organic electroluminescent screen body and a preparation method thereof. One or more injection electrodes are bound to the periphery of the OLED screen body, electrically connected with corresponding electrode inflow areas arranged in a light-emitting area of the OLED screen body through light-emitting area leads or connecting wires and used for inputting currents into all local light-emitting areas in the OLED screen body. According to the invention, independent current control can be carried out on each injection electrode or a plurality of different injection electrodes, so that the purpose of controlling screen body brightness distribution is achieved. According to the preparation method provided by the invention, the screen body brightness imbalance area canbe searched, the control of the light-emitting uniformity distribution of the light-emitting area of the OLED screen body is realized by adjusting the current input of the injection electrode. The problem of uneven brightness distribution caused by difference of actual current input of each local light-emitting area in the light-emitting area of the OLED screen body is solved, and the OLED screenbody brightness compensation method can be applied to ex-factory detection to perform brightness compensation on the screen body without TFT control.

The invention relates to a significant contour extraction method based on a bilateral attention path. The method includes: firstly, improving a visual cortex single-antagonism receptive field model, building a local brightness feature-based single-antagonism dynamic adjustment model, and realizing joint coding of brightness and color boundaries; secondly, simulating direction sensitive characteristics of a classical receptive field, and providing an optimal azimuth interval multi-direction micro-motion method to realize refinement of direction selection; then, when a primary visual cortex signal is transmitted to a high-level visual cortex, simulating information response characteristics between dorsal flow and ventral flow, constructing a bilateral information flow interaction model, and respectively obtaining a dorsal space significant contour and ventral neuron sparse response by using a Gaussian pyramid and a sparse coding model; and finally, fusing the information of the attention paths on the two sides through a weighted fusion strategy, and enhancing a significant contour and inhibiting a texture background through information complementation among the multi-view paths.

The invention discloses a photovoltaic network camera device with a voice control lighting function. The photovoltaic network camera device comprises a micro processor and a power supply for supplying power, wherein the micro processor is in communication connection with an image sensing module, an audio processing module, a storage module and a wireless communication module; the power supply adopts a storage battery; the storage battery is connected with a solar panel for supplying working power through a charging control module; the micro processor is connected with a sound sensor and an LED lamp driver circuit; the LED lamp driver circuit is connected with a relay; the relay is connected with an LED lamp; the micro processor is further in communication connection with an environment brightness detector; a brightness adjustment circuit is connected between the output end of the LED lamp driver circuit and the relay; the brightness adjustment circuit is connected to the power supply. The photovoltaic network camera device retains the original function of a network camera, and the environment brightness detector and the brightness adjustment circuit are added on the basis of the original function, so that the brightness of the LED lamp can be intelligently adjusted.

The present invention provides a laser TV full-color generation method and device in a 3 LCD mode. The method comprises: blue laser generated by a set of blue lasers bombs a phosphor wheel to generate yellow light; the yellow light mixes with another set of blue laser to form pure white light; and the combined standard white light forms red, green and blue light sources through the color separation of combination prisms, the three groups of light sources are respectively taken as the backlights of 3 sheets of LCDs which are configured to respectively display three primary color signals of corresponding image signals, and the three primary color signals emitted by the 3 sheets of LCDs are projected to the screen in an ultra short distance through prism combination to show a whole image.

The present invention relates to a dimming and toning controller based on input voltage control and a method thereof. The controller includes an input unit, a power supply unit, an input voltage detection unit, a main control chip U1, an output unit and a dummy load control unit; an input unit, which Connect with the LED drive power supply, input voltage to the main control chip U1; input voltage detection unit, which detects the input voltage of the LED drive power supply, and input it to the main control chip U1, and the dummy load control unit is controlled by the output signal of the main control chip U1 to The indirect control output unit; the output unit is connected with the lamp; the dummy load control unit, under the control of the main control chip U1, outputs signals to control the LED drive power supply to discharge. The invention ensures that the light-off action of the AC switch of the LED driving power can be accurately judged in the shortest time, can realize the color temperature and brightness switching of the LED, has good flexibility, and is convenient for matching the LED driving power and the dimming and coloring controller.