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60results about How to "Avoid shining" patented technology

Method and device for realizing automatic adjustment of LED (light-emitting diode) lamps

The invention discloses a method for realizing automatic adjustment of LED (light-emitting diode) lamps. The method comprises the following steps of: sensing the peripheral light intensity information based on a light sensitive resistor; and adjusting the current passing through the LED lamps by modulating the duty ratio of PWM (pulse width modulation) by an adjustment potentiometer according to the light intensity information. The embodiment of the invention also discloses a device for realizing automatic adjustment of LED lamps. The device comprises a sensing module and a control module, wherein the sensing module is used for sensing the peripheral light intensity information based on the light sensitive resistor; and the control module is used for adjusting the current passing through the LED lamps by modulating the duty ratio of PWM by the adjustment potentiometer according to the light intensity information. The method and the device have the following advantages: the electric energy can be effectively saved by automatically dimming light according to the conditions of the surroundings, thus avoiding that desk lamps still emit light according to the same power under the condition that the light ray is brighter, ensuring fewer LEDs to emit heat and prolonging the service lives of the LEDs.
Owner:INST OF DONGGUAN SUN YAT SEN UNIV

Silicone microparticles comprising silicone elastomer spherical microparticles coated with polyorganosilsesquioxane, and method of producing same

Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 μm, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer. These silicone microparticles are capable of absorbing a large amount of the above oily substances, are able to ameliorate various problems caused by sebum such as changes in cosmetic make-up properties, changes in the color of cosmetic materials and increased shininess of cosmetic materials, and are also able to suppress the greasiness, stickiness, and oily film feeling of cosmetic materials containing at least one of liquid oils composed of hydrocarbon oils and ester oils. The silicone microparticles can be produced by hydrolyzing and condensing an organotrialkoxysilane in a water medium, in the presence of the above silicone elastomer spherical microparticles and an alkaline material, thereby coating the surface of the silicone elastomer spherical microparticles with a polyorganosilsesquioxane.
Owner:SHIN ETSU CHEM IND CO LTD

Display substrate, preparation method thereof and display device

The invention provides a display substrate, a preparation method thereof and a display device. The display substrate comprises a first electrode layer located on one side of a driving backboard, and the first electrode layer comprising a plurality of first electrodes distributed in an array mode; an electric leakage cut-off layer, located on the sides, deviating from the driving backboard, of thefirst electrode layers, the electric leakage cut-off layer being located between every two adjacent first electrodes, and cut-off grooves and cut-off protrusions located on the two sides of the cut-off grooves being formed in the surfaces of the sides, deviating from the driving backboard, of the electric leakage cut-off layers; a light-emitting function layer, located on the side, deviating fromthe driving backboard, of the electric leakage cut-off layer and the first electrode layer; and a second electrode layer positioned on one side, deviating from the driving back plate, of the light-emitting function layer. According to the display substrate, when one pixel emits light, current cannot be transmitted to other adjacent pixels through the hole injection layer, the phenomena of transverse electric leakage and crosstalk are avoided, and the quality and the color purity of a display are improved.
Owner:BOE TECH GRP CO LTD

Laminated OLED display panel, manufacturing method thereof and display device

The invention provides a laminated OLED display panel, a manufacturing method thereof and a display device. The laminated OLED display panel comprises a pixel limiting layer, a first charge generation layer, a blocked layer and a second charge generation layer, wherein the pixel limiting layer comprises multiple pixel limiting regions, multiple pixel limiting regions are crossed, and multiple openings are formed in the multiple pixel limiting regions; the first charge generation layer is provided with a first doping type and is located on the pixel limiting layer and in the openings; the blocked layer is located on a part, corresponding to the pixel limiting regions, of a first carrier migrating layer; and the second charge generation layer is provided with a second doping type and is located on the blocked layer and the first carrier migrating layer uncovered by the blocked layer. The laminated OLED display panel provided by the invention has the advantages that one blocked layer is arranged between different charge generation layers of different doping types, so that leakage current in the pixel limiting layers is blocked, impure chromaticity caused by luminescence of a non-pixel region is prevented, and crosstalk problem between adjacent pixels is alleviated; besides, the material of the blocked layer is easy to get, processing cost is saved, and processing technology is simplified.
Owner:BOE TECH GRP CO LTD +1

Pixel structure of thin film transistor liquid crystal display and manufacturing method thereof

The invention discloses a pixel structure of a thin film transistor liquid crystal display and a manufacturing method thereof, which aim to reduce the number of mask, simplify process flow and save cost. The method comprises the following steps of sputtering a pixel electrode film and a passivation insulating layer film on a substrate in sequence; performing mask exposure by using a first mask plate and then etching the first mask plate to form a pixel electrode, passivation insulating layer and drain electrode through hole; and then sputtering source, drain electrode films and an ohmic contact layer film in sequence; performing mask exposure by using a second mask plate and etching the second mask plate to form a source electrode, a drain electrode, a source-drain channel and an ohmic contact layer covering on the source electrode and the drain electrode; and then sputtering an active layer film, an insulation layer film and a grid electrode film in sequence; performing mask exposure by using a third mask plate and etching the third mask plate to form an active layer, an insulation layer, a grid electrode and a source electrode driving hole. The invention synchronously discloses the pixel structure of the thin film transistor liquid crystal display.
Owner:BOE TECH GRP CO LTD +1

Silicone microparticles comprising silicone elastomer spherical microparticles coated with polyorganosilsesquioxane, and method of producing same

Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 μm, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer. These silicone microparticles are capable of absorbing a large amount of the above oily substances, are able to ameliorate various problems caused by sebum such as changes in cosmetic make-up properties, changes in the color of cosmetic materials and increased shininess of cosmetic materials, and are also able to suppress the greasiness, stickiness, and oily film feeling of cosmetic materials containing at least one of liquid oils composed of hydrocarbon oils and ester oils. The silicone microparticles can be produced by hydrolyzing and condensing an organotrialkoxysilane in a water medium, in the presence of the above silicone elastomer spherical microparticles and an alkaline material, thereby coating the surface of the silicone elastomer spherical microparticles with a polyorganosilsesquioxane.
Owner:SHIN ETSU CHEM IND CO LTD

LED energy-saving control system and method thereof

The invention relates to an LED energy-saving control system and a method thereof. The method comprises the steps that a user terminal transmits received user lighting demand information to a controlcomputer; the control computer constructs an energy-saving linear programming model to solve and obtain a corresponding LED lamp set control instruction; the LED brightness control module controls each LED lamp source to carry out lighting output according to the LED lamp set control instruction; the user terminal collects the current LED lamp set receiving illuminance at a preset time interval, the collected LED lamp set receiving illuminance is compared with the user lighting demand, if the difference value between the two exceeds a preset threshold value, correction demand information is outputted to a control computer, and the control computer solves and obtains a corresponding LED lamp set control instruction by constructing a correction linear programming model; or otherwise, the current step is continuously executed. Compared with the prior art, the LED lamp source is controlled to emit light on the basis of the linear programming optimization algorithm, so that a user can obtain the required lighting effect at different positions, and the energy consumption can be effectively reduced.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Intelligent lamp, standby control method thereof, and intelligent lighting system

The invention discloses an intelligent lamp, and the lamp comprises a detection circuit, a microcontroller, a standby control circuit, a rectifying circuit, a filtering circuit, a lamp live wire and alamp zero wire. The lamp live wire and the lamp zero wire are connected between the rectifying circuit and the filtering circuit. The detection circuit is connected to the positive electrode of a rectifier bridge of the rectifier circuit and is connected with the microcontroller; the microcontroller is connected with the standby control circuit, and the standby control circuit controls on-off ofa live wire of the lamp. According to the invention, the detection circuit is additionally arranged for the intelligent lamp; the lamp zero wire and the lamp live wire of the intelligent lamp are reminded to be reversely connected, the situation that the lamp zero wire and the lamp live wire are reversely connected is avoided, the light-emitting unit does not have induced electricity after entering a standby mode, the problem that the light-emitting unit still emits light after entering the standby mode is fundamentally avoided, and the safety of the intelligent lamp is improved. The inventionfurther provides a standby control method of the intelligent lamp and an intelligent lighting system.
Owner:QINGDAO YEELINK INFORMATION TECH

Space-borne liquid crystal optical phased-array antenna beam pointing dynamic switching method

PendingCN113376924AStable powerEffective and convenient beam steeringRadio transmissionNon-linear opticsPhase shiftedLiquid crystal
The invention discloses a method for dynamically switching beam pointing of a satellite-borne liquid crystal optical phased-array antenna. The method comprises the following specific steps: acquiring a current satellite system beam pointing angle theta 1 and an expected antenna pointing angle theta 2; calculating an absolute value of a difference value between theta 1 and theta 2, comparing the absolute value with a switching threshold value, and if the absolute value is smaller than the threshold value, waiting for a time interval, and re-acquiring a current beam pointing angle theta 1; if the absolute value is larger than the threshold value, calculating the initial phase shift amount and the target phase shift amount of each electrode in the current antenna; adjusting the phase shift amount of the electrode i from the initial phase shift amount to the target phase shift amount, and adding 1 to i; judging whether i is greater than the total number N of the electrodes, and if so, completing beam pointing switching; otherwise, adjusting the phase shift amount of the electrode i from the initial phase shift amount to the target phase shift amount, repeating the previous step until i is larger than the total number N of the electrodes, and completing satellite beam pointing switching. The power is kept stable in the wave position switching process, and wave beam control can be effectively and conveniently achieved; the beam pointing angle is in smooth transition, and far-field light spot blazing can be avoided.
Owner:军事科学院系统工程研究院网络信息研究所

Display panel and display device

The invention discloses a display panel and a display device. A light-emitting element in the display panel is connected with an initialization node through a selective conduction element, the selective conduction element can enable the light-emitting element to be conducted with the initialization node in a display stage so as to be connected with a pixel circuit and perform light-emitting display under the control of the pixel circuit, and in a non-display stage, the selective conduction element can enable the light-emitting element to be connected with the initialization node. The selective conduction element can enable the light-emitting element to be disconnected with the initialization node, so that light-emitting in the non-display stage when the first electrode and the second electrode of the light-emitting element are reversely connected is avoided. Moreover, a first storage capacitor connected with the initialization node is further arranged in the display panel, when voltage reset is conducted on the initialization node through the first transistor, the first storage capacitor can store reset electric energy. In the non-display stage after reset, the reset electric energy stored in the first storage capacitor can counteract the leakage current flowing through the initialization node of the transistor in the pixel circuit, and the light-emitting element is prevented from emitting light due to the leakage current in the non-light-emitting stage.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Flat type discharge lamp and lighting device

A front substrate (1) and a rear substrate (2) composed of translucent sheets of glass are disposed to face each other with an almost constant interval, and the peripheral portions of the two sheets of glass are bonded together with frit glass (4) via side walls (3) to form a flat discharge container. Fluorescent substance layers (5a, 5b) are formed on the inner sides of the front substrate (1) and the rear substrate (2) to convert a ultraviolet ray emitted from a discharge medium into a visible light. External electrodes (6) for applying high voltage and external electrodes (7) for applying low voltage are alternately arranged on the outer surface of the rear substrate (2). A plurality of slender spacers (8) are arranged between the front substrate (1) and the rear substrate (2) at constant intervals to keep constant the space between the front substrate (1) and the rear substrate (2) and prevent damage due to lamp implosion to be caused by pressure difference between the inside and outside of the discharge container. A linear spacer (8) is disposed so as to be contained within the maximum width of an external electrode (6), and one electrode (6) is apparently divided into two pieces. One electrode (6) is exposed to respective discharge spaces divided by a linear spacer (8), and is allowed to work as electrodes (10) in respective discharge spaces, whereby it is possible to stably light up respective discharge spaces.
Owner:HARISON TOSHIBA LIGHTING CORP
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