42results about How to "Different brightness" patented technology

A lighting device 12 of the present invention includes a plurality of light sources 17 and a chassis 14 that accommodates the light sources 17. The chassis 14 is constructed of a plate member including a flat bottom plate 14a and outer rims 21 having a folding configuration 31 formed at the edges of the bottom plate 14a. At the outer rim 21, a core member 40 extending in a longitudinal direction of the outer rim is provided in a folded part of the folding configuration 31. The outer rim 21 provided with the core member 40 improves strength of the outer rim 21 itself. This suppresses distortion of the chassis 14 and uniform brightness is provided.

A backlight device for LCD displays is disclosed herein. The backlight device contains multiple LEDs as light source and a uniforming chamber positioned between the LEDs and the LCD panel. Lights emitted from the LEDs undergo multiple times of total reflection by the inner walls of the uniforming chamber to produce a highly uniform planar light, regardless of the length of their usage period, the differences of LEDs' hues and brightness, and whether some LEDs are failed. The backlight device does not require the diffusion plates and prism plates, which not only reduces cost but also avoids the luminous flux loss. Also, the backlight device could achieve the slimmest thickness without sacrificing cost, heat dissipation, and power consumption.

A cluster control device, which is provided for controlling street lamps, includes a plurality of control modules and at least one master controller. The control modules are respectively connected to the street lamps that are included in a power supply circuit. Each control module functions to control the respective street lamp in accordance with control parameters stored in a memory. The master controller is set in communication with each of the control modules to read and write control parameters stored in the memory of each control module for controlling all the street lamps in a clustered manner.

A lighting device 12 of the present invention includes a plurality of light sources 17 and a chassis 14 that accommodates the light sources 17. The chassis 14 is formed of a plate member and includes a bottom plate 14a of a flat plate and outer rims 21 having a folding configuration formed at the edges of the bottom plate 14a. The outer rim 21 includes a first folded portion 31 and a second folded portion 32 that is formed by further folding a part of the first folded portion 31. Since the outer rim 21 has a double folding configuration, strength of the outer rim 21 itself is increased to suppress distortion of the chassis 14. Accordingly, uniform brightness is provided.

The invention provides an aesthetics resin composition with fantasy colors and a preparation method of the aesthetics resin composition. The aesthetics resin composition comprises the following components in parts by weight: 100 parts of a thermoplastic resin, 0.1-5.0 parts of irregular hollow glass beads, 0.1-3.0 parts of a lubricant and 0.1-1.0 part of an antioxidant. The preparation method comprises the following steps of: mixing the components in a high-speed mixer, subsequently feeding the components into a double-screw extruder, melting and compounding under conveying, shearing and blending, further drawing out, stripping, cooling and cutting into grains so as to obtain the aesthetics resin composition. Different from the glass prepared in the conventional mode of adding pearlescent pigment, the aesthetics resin prepared from irregular glass beads has strong fantasy color effects, is attractive and fashion and simple in preparation process, the environment-friendly spraying-free solving scheme is realized, and the aesthetics resin composition can be widely applied to fields having high requirements on appearances, such as automobiles, electronic appliances, consumer electronics, electronics and home furnishing.

The invention discloses a display panel and a display device and belongs to the field of displayers. The display panel comprises: a first substrate; a second substrate which is arranged in a box-aligning mode with the first substrate; a first electrode; a second electrode, wherein the first electrode and the second electrode are used to provide an electric field; a dimming layer disposed between the first substrate and the second substrate, wherein the dimming layer comprises a two-dimensional material; the two-dimensional material is used to deflect between a direction perpendicular to the first substrate and a direction parallel to the first substrate under the action of the electric field, wherein the two-dimensional material is a reflective material.

The invention belongs to the technical field of sports goods, and provides a synchronous generating LED (light-emitting diode) skipping rope, which comprises an LED rope body and handle sleeves. The skipping rope is characterized by also comprising generators, first leads and second leads, wherein the generators are positioned in the handle sleeves, and are connected with rope end transmission devices; the first leads are led from the interiors of the generators, and are connected with conditioning and protection circuits; the second leads are connected with the conditioning and protection circuits and the rope end transmission devices; the rope end transmission devices are connected with the LED rope body; each generator also comprises a base, a stator and a rotor; the stators are connected with the bases; the rotors are positioned in the stators, and are connected with the bases. According to the skipping rope, the problems of energy waste, environmental pollution and low interestingness are effectively solved.

A color-temperature-compensation (CTC) method and applications thereof are provided, and which includes determining intensities of weights of three colors in an inputted three-dimension color signal; if yes, performing a lookup table mechanism to find-out a first set of multi-primary-color (MPC) signal corresponding to the three colors with the same weights, and performing a digital-gamma-correction (DGC) to the first set of MPC signal for providing a first set of CTC signal accordingly; if no, performing the lookup table mechanism to find-out a second set of MPC signal corresponding to the three colors with different weights, and performing the DGC to the second set of MPC signal for providing a second set of CTC signal accordingly; and making at least one same color with the same intensity in the three colors with the same weights and in the three colors with different weights displaying on an MPC display have different brightness.

The invention relates to vital capacity detection equipment, in particular to automatic vital capacity detection and exercise equipment for the respiratory medicine department. The technical purpose is that by means of the automatic vital capacity detection and exercise equipment for the respiratory medicine department, the vital capacity can be regularly detected, and exercise of the vital capacity can be conducted. In order to achieve the technical purpose, the automatic vital capacity detection and exercise equipment for the respiratory medicine department comprises a bottom plate, supporting plates, a rack, an L-shaped rod and the like; the supporting plates are mounted on both the left side and the right side of the bottom plate through the welding means, a first through hole is formed in the lower side of the supporting plate on the right side, and the rack is mounted on the upper portion of the right side of the supporting plate on the right side through the welding means. According to the equipment, the effects that the vital capacity can be regularly detected and exercise of the vital capacity can be conducted are achieved, and an ammeter and an electric lamp are used formaking a visual detection result according to the amplitude of the centrifugal movement conducted by a first telescopic rod, so that a user regularly detects the vital capacity.

The present disclosure provides a liquid crystal display panel and apparatus which includes the first pixel unit includes a first thin film transistor, a first charging capacitor, a second charging capacitor. One side of the first charging capacitor is connected the drain of the first thin film transistor. The other side of the first charging capacitor is connected the second charging capacitor; the second pixel unit includes a second thin film transistor; the drain of the second thin film transistor is connected to the other side of the first charging capacitor.

The invention relates to the field of preparation of new chromogenic materials, and discloses a high-brightness chromogenic film as well as a preparation method and application thereof. The high-brightness chromogenic film comprises a substrate and at least one photonic crystal layer, the reflectivity of the substrate is greater than or equal to 10%; the photonic crystal layer is formed by self-assembling nano particles on the surface of the substrate; the particle size of the nano particles is 50 to 1,500 nm. The chromogenic film is high in brightness, and different colors can be observed at different angles. The preparation method of the chromogenic film is environmentally friendly, simple and low in cost. The chromogenic film has potential application value in the fields of counterfeiting prevention, display, sensing and the like.

An image display drive method for liquid crystal display unit includes a data conversion program, a display driver and a light source control program, wherein, the data conversion program respectively converts first sub-image picture frame data and second sub-image picture frame data into a prepositive voltage signal and a postpositive voltage signal of the first sub-image picture frame data and a prepositive voltage signal and a postpositive voltage signal of the second sub-image picture frame data which are needed to drive a pixel; the display driver reads the prepositive voltage signal and the postpositive voltage signal of the first sub-image picture frame data and the second sub-image picture frame data in the pixel in turn within picture frame time; the light source control program controls the light source brightness of a first luminescence unit so that the first luminescence unit represents a first mean brightness within the corresponding time during which the prepositive voltage signal of the first sub-image picture frame data is written in the pixel and a second mean brightness bigger than the first mean brightness within the corresponding time during which the postpositive voltage signal of the first sub-image picture frame data is written in the pixel.

An organic display device and a method of manufacturing method thereof are provided. The organic display device includes scan lines, data lines and power lines. Portions crossed and defined by the scan lines, the data lines and the power supply lines are provide with display regions. The display region is formed with an organic light emitting diode. The organic light emitting diode includes an anode layer, and a conductive layer is formed on the power supply line. The anode layer of the organic light emitting diode and the conductive layer are etched and formed on the same basis of a material layer.

The invention provides a stage lamp for underwater use, and relates to the technical field of stage equipment. The stage lamp includes a shell, a reflection part and a light outlet, wherein the reflection part is arranged in the shell, and the light outlet is formed in the side, away from the reflection part, of the shell. At least one part of the reflection part is in an arc shape, a reflection element and a light reflection coating are arranged on the reflection part, the inner side of the reflection part is uniformly coated with the light reflection coating, the reflection element is a transparent element, at least one part of the reflection element is in an arc shape, limiting bulges used for limiting the position of the reflection part are arranged on the shell, the inner wall of theshell is provided with a light source, and a lens is arranged at the light outlet. According to the stage lamp for underwater use, the structure is simple, the lighting effects are good, rays different in angle have different colors and brightness, the cost is low, and the stage lamp can be used underwater.

A door-status warning light circuit includes a first light group capable of emitting light with high brightness or specific warning color and a second light group capable of emitting light with low brightness or specific safe color, and when any door of a fire truck or an ambulance is opened, the first light group can emit light with high brightness and the warning color to remind the driver that a door is not closed; and, after all doors are closed, the first light group lights off and the second light group lights up, so as to inform, by light with different brightness or different color, the driver that all doors are closed, thereby effectively reminding the driver of the door status of the vehicle in noisy environment.

The invention discloses a protective wind power generator model for a physical experiment. The protective wind power generator model comprises a shell, wherein a first rotating shaft is transversely inserted into the side wall of the shell, fan blades are fixed on the outer ring of the first rotating shaft on the outer side of the shell, a protective cover is fixed on the outer ring of the fan blade on the side wall of the shell, an electric fan is arranged beside the fan blades on the outer side of the shell, a first check ring is sleeved on the first rotating shaft in the shell, the side wall of the first check ring is fixed on the inner wall of the shell, a first supporting seat is fixed below the first rotating shaft on the inner wall of the shell, a second rotating shaft is verticallyarranged on the first supporting seat, the first rotating shaft and the second rotating shaft are in transmission through a bevel gear structure, and a connecting rod is transversely fixed on the inner wall of the shell. According to the invention, the transmission ratio of the fan blades to the rotating shaft of the generator can be flexibly adjusted, and the model is simple in structure, enables students to know the relation between the rotating speed of the wind power generation blades and the output voltage of the generator visually, and can prevent the fan blades from hurting the hands of an operator due to the arrangement of the protective cover on the shell.

The invention discloses a display screen brightness adjusting method and a system, electronic equipment and a medium, and the adjusting method comprises the following steps: at least two windows are displayed on a display screen, wherein each window corresponds to an application; a brightness adjusting instruction is obtained, wherein the brightness adjusting instruction corresponds to a target window, and the target window is one of the at least two windows; target window brightness is adjusted according to the adjusting instruction. According to the technical scheme, when the multi-window mode is started on the display screen to use a plurality of applications, a user can adjust the screen brightness of each application window, so that the screen areas of different application windows display different brightness.

The invention discloses a phototaxis adaptation system for a short-range tunnel. The system comprises two resistance rods penetrating through a road surface, wherein the two resistance rods are arranged on the same straight line and are fixedly connected with each other through an insulating layer at positions close to each other, a vision buffering structure is arranged in each resistance plate,the vision buffering structure comprises a first vision buffering lamp, a second vision buffering lamp and a third vision buffering lamp, each first slow vision lamp is located on the outer side of the tunnel, the top of each first slow vision lamp is communicated with two first photoresistors, two second photoresistors are arranged on the outer portion of the end, located in the tunnel, of the resistance rod in a communicating mode, two first photoresistors and two second photoresistors are communicated through a bridge circuit, and a plurality of searchlights are arranged on the inner side of the tunnel. The tunnel lighting system is advantaged in that drivers can adapt to the working environment where the tunnel lighting lamps are bright in advance by arranging the slow vision lamps inthe stepped bright state at the tunnel entrance and exit, and therefore traffic accidents caused by rapid change of light are avoided.

The invention discloses a natural enemy insect acute toxicity test exposure device, which comprises a device body and a plurality of partition plates arranged in the device body, wherein openings areformed in the top part and one side of the device body, the plurality of partition plates are arranged in the device body at intervals in the vertical direction, a partition region is formed between every two adjacent partition plates, and a tray is arranged in an arbitrary partition region in a matched mode; a plurality of upright posts are arranged in each tray, every two adjacent upright postsform a group, a fixed region is formed on the inner side of one group of upright posts, and a sample bottle is placed in each fixed region; and a light source assembly is arranged on the outer side ofthe device body and comprises a shell body, a back plate and a plurality of lamp beads connected to one side of the back plate in a matched mode, and the brightness of the lamp beads can be adjusted.

A slim OLED lamp is provided, which may include a lamp holder, a support, and a base. The support connects the base to the lamp holder. When the lamp holder, support, and base are folded to be in the same plane, the lamp holder, the support, and the base can be close to and adjacent to one another. A light-emitting unit manufactured by the organic light-emitting technology can be plugged into the lamp holder, so the light-emitting unit can be conveniently replaced. There is at least one rotation direction between the support and lamp holder, so the freedom degree of the illumination range of the light-emitting unit can be increased. The base includes a control unit applicable to various light-emitting units with different rating currents so as to adjust the brightness thereof.

The invention provides an LED automobile lamp which comprises a radiating base, a base plate, a reflection cup, a condensing lens, a distance light source component, a passing light source component and a foggy light source component, wherein the radiating base is arranged on the back of the base plate; the distance light source component, the passing light source component and the foggy light source component are arranged on the base plate; openings are formed in the two ends of the reflection cup; the opening in one end of the reflection cup is larger than the other opening in the other endof the reflection cup; the end, with the smaller opening, of the reflection cup is connected with the base plate; the end, with the larger opening, of the reflection cup is connected with the condensing lens; and the distance light source component, the passing light source component and the foggy light source component are arranged on the base plate in the reflection cup. According to the LED automobile lamp, an LED chip is taken as a light source, and a fluorescent film with different color temperatures is arranged on the LED chip to realize different brightness of the headlight on full beam, the dipped headlight and the foglight of the automobile lamp; the same LED chip realizes the distance light, the passing light and the foglight function of the automobile through different color temperatures of the fluorescent film; and the LED automobile lamp is simple and elegant in structural design, facilitates design of the automobile structure and realizes integration and other advantages.

Sensitivity error, image distortion, and background noise upon synthesizing images obtained by an imaging apparatus, and lack of resolution upon reading the entire area of a sample at a time are solved. While moving the sample by the distance that corresponds to the resolution, the sample is read using all the scanning lines of the imaging apparatus, and then an entire image is obtained by synthesizing each line. The imaging apparatus is located such that the scanning lines are parallel to the short side of the sample, and the short side direction is resolved by the maximum resolution of the imaging apparatus.

A slim OLED lamp is provided, which may include a lamp holder, a support, and a base. The support connects the base to the lamp holder. When the lamp holder, support, and base are folded to be in the same plane, the lamp holder, the support, and the base can be close to and adjacent to one another. A light-emitting unit manufactured by the organic light-emitting technology can be plugged into the lamp holder, so the light-emitting unit can be conveniently replaced. There is at least one rotation direction between the support and lamp holder, so the freedom degree of the illumination range of the light-emitting unit can be increased. The base includes a control unit applicable to various light-emitting units with different rating currents so as to adjust the brightness thereof.

A lighting system comprising a plurality of light-emitting diodes and a power supply source for driving current through a plurality of parallel disposed, electrically conductive branches, wherein the branches comprise at least one cell. The branches are configured to display the light-emitting diodes according to a three-dimensional arrangement. In each cell, each branch has a light-emitting diode with an anode terminal and a cathode terminal. The anode terminal of each light-emitting diode is coupled to the cathode terminal of a light-emitting diode of an adjacent branch via a shunt. The shunt further comprises a light-emitting diode. In each cell, each light-emitting diode may have a different forward voltage characteristic, while still insuring that all of the light-emitting diodes in the arrangement have the same brightness. Upon failure of one light-emitting diode in a cell, the remaining light-emitting diodes in the same cell are not extinguished and, in a multiple cell embodiment, the light-emitting diodes in the successive cells are not extinguished.

The invention provides a method for controlling optical communication, comprising the following steps of: acquiring a time-sharing image of the position at which a modulating light-emitting element isdisposed, wherein the modulating light-emitting element illuminates controlled by a PWM modulation mode; analyzing the time-sharing image to determine the PWM waveform information transmitted by themodulating light-emitting element; and parsing the PWM waveform information to obtain corresponding communication information. In the optical communication control method provided by the invention, the modulating light-emitting element is provided with different light-emitting images at different times based on the PWM modulation method, thus corresponding communication information is determined by the different light-emitting images. In addition, the invention further provides an optical communication control device corresponding to the optical communication control method. The invention alsoprovides an optical communication system, which is mainly applied in the vehicle-to-vehicle communication technology, and capable of realizing real-time effective communication between vehicles.