30results about How to "Adjust the brightness of the light" patented technology

The invention provides a sidelight type backlight source module which comprises a light source bracket with a back plate and a rubber frame, LED (Light-Emitting Diode) lamp strips with a plurality of LED light sources, a printed circuit board, a reflecting film, a light guide plate, a brightening film and a scattering film. The light guide plate comprises a light incident bottom surface and a light emergent top surface which is opposite to the light incident bottom surface; scattering lattice points are arranged on the light incident bottom surface of the light guide plate; a gradual change type arrangement way in which the arrangement density degree is determined according to the distances from the scattering lattice points to the LED light sources is adopted for the scattering lattice points; and the arrangement density gradually increases along with the increase of the distances from the scattering lattice points to the LED light sources by regarding the LED lamp strips as boundaries. Compared with the prior art, the sidelight type backlight source module disclosed by the invention provides a backlight source by placing the LED strips at the two sides or single side and changes emergent light brightness at each special position of the light guide plate by setting the non-uniformly distributed scattering lattice points, so that light reinforcement is realized at corresponding position of the light guide plate, which is far away from the LED light sources, and thus ideal light brightness and light emergent uniformity are obtained through the light guide plate.

The invention provides a pixel unit circuit, a driving method, a pixel circuit, and a display device. The pixel unit circuit comprises a light-emitting component, a drive transistor, a data writing-in unit, and a storage capacitance unit. The data writing-in unit is connected with a data line, a grid line, and a grid electrode of the drive transistor, and is used to control to connect or disconnect connection between the data line and the grid electrode of the drive transistor under control of the grid line. A first end of the storage capacitance unit is connected with the grid electrode of the drive transistor. A second end of the storage capacitance unit is connected with a reference voltage input end. A second end of the light-emitting component is connected with a low-level input end. Through changing potential of the grid electrode of the drive transistor, voltage of a source electrode of the drive transistor is changed, and through adjusting voltage difference between a first end of the light-emitting component and a second end of the light-emitting component, luminance of the light-emitting component is adjusted.

The invention discloses an intelligent LED lamp, which comprises a drive circuit, an LED light-emitting device, an image sensor, a memory, a wireless or wired interface module and a microprocessor, wherein the microprocessor is used for processing an input signal and outputting a corresponding control signal, specially, the microprocessor performs image recognition or light ray analysis on image information and sends the corresponding control signal to the control end of the drive circuit according to the recognition or analysis results, so as to control the working state of the LED light-emitting device. According to the intelligent LED lamp disclosed by the invention, characteristics such as the intensity of light, human and human behaviors in the ambient environment can be recognized according to the image information collected by the image sensor, and the corresponding control signal is output, so that the working state of the LED light-emitting device is controlled; filing and inquiry are convenient since image information can be recorded; brightness can be adjusted in real time. The intelligence level of the LED lamp is effectively improved, so that daily life of people is more convenient and safer, and the green living concept advocated in the society is met.

The invention discloses a driving method, which is suitable for driving an optical touch panel. The optical touch panel is configured on a backlight component and provided with a plurality of touch sensing elements, wherein each touch sensing element is provided with a shade sensing mode and a reflection sensing mode. The driving method comprises: firstly sensing the intensity of environment light; when the intensity of the environment light is larger than a reference valve, the touch sensing element carries out the shade sensing mode; and when the intensity of the environment light is smaller than the reference valve, the touch sensing element carries out the reflection sensing mode. The driving method is favorable for making the optical touch panel correctly sense under various environment lights so as to improve the use convenience of the optical touch panel.

The invention provides an OLED display panel and a display device, and the OLED display panel comprises a display area and a non-display area surrounding the display area, and also comprises a plurality of light-emitting devices arranged in the display region in an array manner; a pixel driving circuit used for driving the light-emitting devices to emit light; a light sensor arranged in the non-display area and is used for converting a light intensity signal of ambient light into a first electric signal; and a feedback circuit used for determining a compensation signal according to a difference value between the first electric signal and a preset electric signal; wherein the display area comprises a first display area close to the light sensor, and the pixel driving circuit corresponding to the light-emitting devices in the first display area is further used for inputting a compensation signal to the corresponding light-emitting devices so as to adjust the light-emitting brightness ofthe light-emitting devices. According to the invention, the brightness of the light-emitting devices close to the light sensor is compensated, so that the actual display brightness of the first display area is changed along with the difference of the ambient light intensity, and the brightness of a watched picture can be uniform.

The invention discloses a pixel circuit, a driving method thereof and a display panel, and belongs to the technical field of display. The pixel circuit comprises a first data writing module used for providing a data signal from a data signal end for a first node under the control of a gate driving signal from a gate driving signal end; a storage module used for controlling the potential of the second node to synchronously change along with the potential of the first node; a driving module used for providing a first power supply signal from the first power supply end for a third node and the second node under the control of the second node and the grid driving signal; a light-emitting control module used for providing a signal from a third node for a light-emitting module under the controlof a first control signal from a first control signal end; and a photosensitive module used for detecting an optical signal in the environment where the pixel circuit is located and controlling the potential of the second node according to the optical signal. According to the application, the display performance of the display panel is improved.

The invention provides a single light source anti-dazzle LED projection lamp, and belongs to the technical field of illumination. The single light source anti-dazzle LED projection lamp comprises a fixed part; one side of the fixed part is welded with a lamp pole; one side of the lamp pole far away from the fixed part is provided with a LED bulb through bonding; reflectors are arranged on the sideof the fixed part close to the lamp pole around the LED bulb through welding; the internal parts of the reflectors are provided with anti-dazzle glass; the external parts of the reflectors are provided with a lampshade. According to the single light source anti-dazzle LED projection lamp, the anti-dazzle glass and a honeycomb cover are adopted for double processing of transmitted light, so that diffuse reflection of light emitted by the single light source anti-dazzle LED projection lamp is induced, the light is more soft, dazzling effect is reduced; and in addition, anti-dazzle blocking plates arranged on the internal walls of the lampshade through bonding are capable of preventing reflection of the internal walls of the lampshade on light, reducing reflective glare; and the position ofthe lampshade on the fixed part is controllable, so that the lamp shielding angle of the single light source anti-dazzle LED projection lamp is controllable, it is convenient for adjusting of the irradiation range and irradiation brightness of the single light source anti-dazzle LED projection lamp, and the practicability of the single light source anti-dazzle LED projection lamp is improved.

The present invention relates to a color-temperature-adjustable LED driving circuit. Firstly, oscillation triangle waves are generated through an oscillation module, and the duty cycle of outputted PWM signals is adjusted by a PWM control module according to the oscillation triangle waves. After a first driving module and an inverse comparison module receive the PWM signals, the signals are subjected to reverse treatment by the inverse comparison module. After that, the processed PWM signals are outputted to a second driving module. That is to say, the first driving module and the second driving module realize the complementary duty ratio of the PWM signals. Therefore, the light-emitting brightness of a first LED lamp set and the light-emitting brightness of a second LED lamp set, respectively controlled by the first driving module and the second driving module, are complementary in strength. As a result, the light-emitting brightness of the first LED lamp set and the light-emitting brightness of the second LED lamp set are adjusted through changing the duty ratio of the inputted PWM signals. Furthermore, the color temperature of the first LED lamp set and the color temperature of the second LED lamp set are changed.

An emergency lamp consists of luminous element and driving circuit formed by super capacitor, controllable switch and stabilized voltage circuit .It is featured as series-connecting controllable switch between super capacitor and input end of stabilized voltage circuit, connecting output end of stabilized voltage circuit to luminous element and driving luminous element by super capacitor through stabilized voltage circuit.

The invention discloses a photoelectric complementary illuminating system and belongs to the field of building energy-saving installation. The system is composed of a light guide pipe, an LED illuminating device and an illumination intensity sensor, wherein the light guide pipe comprises a lighting shade, a light pipe, a diffuser, an intelligent control module, a telescopic module and the like. The guide pipe system collects natural light for performing daytime lighting, and the LED illuminating device is adopted for illuminating under insufficient light or at night. According to the photoelectric complementary illuminating system, the LED illuminating device and the light guide pipe system are integrally mounted, and the construction and installation cost is greatly saved; and meanwhile, the indoor brightness is detected by installing the illumination intensity sensor, and the brightness of the system disclosed by the invention is regulated, so that the electric energy is saved, and an effect of obtaining comfortable indoor light can be achieved.

The invention discloses a RF dimming toned lighting control system and a control method thereof, and belongs to the field of LED lighting intelligent control. The system comprises a power supply module, and further comprises a three-gear mechanical power switch, a dimming slide potentiometer, an MCU encoding module, a transmitting signal processing module, a receiving signal processing module, a decoding module, a power drive module and a COB light source module. The power supply module supplies power for the MCU encoding module and the transmitting signal processing module so that both modules can work normally. The three-gear mechanical power switch and the dimming slide potentiometer each provide a high potential signal to the MCU encoding module while at work. The MCU encoding module transmits the high potential signal transmitted by the three-gear mechanical power switch to the MCU encoding module to the transmitting signal processing module. The transmitting signal processing module transmits the signal into the air through a transmitting antenna. The invention can achieve the switch between white light and warm light of a mating lamp and the control of the brightness of 0-100%.

The invention discloses an intelligent building system based on wall face ceramic tiles and the Internet of Things. The intelligent building system comprises a moving device, a storage device, a laying device, a pushing device, a knocking device, a protective device, an identification device, a wireless device and a treatment device; the moving device comprises a wall face laying platform, layingtelescopic motors, laying telescopic supporting columns, laying moving platforms, laying moving motors and laying moving idler wheels; the storage device comprises a cement storage bin, cement spraying heads, cement guiding pipes and a ceramic tile storage bin; the laying device comprises a laying channel, a ceramic tile telescopic motor, a ceramic tile telescopic supporting column, a ceramic tilefixing frame, ceramic tile fixing motors, ceramic tile fixing blocks, a storage closed motor and a storage closed plate; the pushing device comprises a laying pushing motor, a laying pushing supporting column and a laying pushing platform; the knocking device comprises knocking mechanical arms and rubber protective layers; the protective device comprises protective telescopic channels, protectivetelescopic motors and protective telescopic plates; and the identification device comprises laying cameras and infrared sensors.

The invention relates to a dimming control device for a ship cab light environment human factor engineering effect. The dimming control device comprises a display, a photosensitive sensor, a dimming control box, dimming control equipment, a dimmable LED lighting system, a display and a light-emitting panel, the output end of the photosensitive sensor is connected with the input end of the dimmingcontrol device, the input end of the dimmable LED lighting system is connected with the output end of the dimming control device, the input ends of the display and the light-emitting panel are connected with the output end of the dimming control device, and the output end of the dimming control box is connected with the input end of the dimming control equipment. According to the invention, the brightness of the display, the light-emitting panel and the dimmable LED lighting system can be automatically or manually adjusted, a lighting condition in self-adaptive coordination with the external environment is provided for the internal space of the cab, the physical and mental feelings of ship operation commanders are improved, and the ship navigation safety is further guaranteed.

The invention discloses a driving system of an automobile lamp and a driving method thereof. The driving system comprises an automobile lamp lens, a prism, an LED array module group, a PD photoelectric detector and an APC driving module. The prism is arranged between the automobile lamp lens and the LED array module group. The PD photoelectric detector is arranged at one side of the prism. The light emitted by the LED array module group is split into two parts through the prism: one part of light is emergent through the automobile lamp lens, and the other part emits to the PD photoelectric detector. The PD photoelectric detector acquires the intensity of light emitted by the LED array module group in real time so as to generate a voltage signal to be fed back to the APC driving module. The APC driving module generates corresponding driving current according to the voltage signal to adjust the luminescent brightness of the LED array module group so that the luminous efficiency of the LED array module group is enabled to be constant without attenuation of the luminous efficiency caused by long-time working of the LED array module group.

The invention discloses an organic electroluminescent transistor array substrate and a manufacturing method thereof, and a display device, and relates to the technical field of display. The organic electroluminescent transistor array substrate comprises a substrate, and a gate layer, a gate insulation layer, a semiconductor layer, a source layer, a pixel defining layer, an organic electroluminescent layer and a drain layer which are sequentially formed along the thickness direction of the substrate, wherein the gate layer is formed on the substrate. The source layer includes a plurality of source units corresponding to sub pixel units. The pixel defining layer includes a plurality of pixel defining units corresponding to the source units. Each source unit is embedded into the corresponding pixel defining unit. The organic electroluminescent layer is formed on the surfaces of the pixel defining units and the surfaces of the exposed parts of the semiconductor layer disposed between the adjacent source units.

The invention provides a rotary intelligent light emitting pen. The rotary intelligent light emitting pen comprises an intelligent light control part and a writing part, wherein the intelligent light control part is composed of a rotary module, a button battery pack, a photosensitive element, a compact circuit board and a light emitting module and achieves the intelligent illuminating function, and the writing part is composed of a penholder, a pen cap and a refill. According to the rotary intelligent light emitting pen, illumination can be automatically regulated through the photosensitive element, and thus proper writing illuminance can be provided for a user when writing luminance is limited; through the rotary module, a user can set three different work modes including the illuminating mode, the writing mode and the writing light ray compensation mode according to needs and set basic light intensity according to personal adaptation conditions; the rotary intelligent light emitting pen is ingenious and compact in design structure, attractive, low in energy consumption, environmentally friendly and long in service life.

The invention provides a voltage supply method, a voltage supply device, a display device and electronic equipment. The voltage supply method is applied to the pixel circuit, the pixel circuit comprises a driving unit, a first end of the driving unit is electrically connected with a driving voltage end, and a second end of the driving unit is electrically connected with a light-emitting element; the voltage supply method comprises the following steps: dividing the display time of a frame of picture into N display time periods, wherein N is an integer greater than 1; in the nth display time period, providing the nth driving voltage for the driving voltage end, wherein the nth display time period corresponds to the nth driving voltage, n is a positive integer smaller than or equal to N, andthe driving voltages corresponding to the at least two display time periods are different from each other. According to the invention, the light-emitting brightness of the light-emitting element can be accurately adjusted.

The invention discloses an electronic wind bell lamp. The lamp comprises a hanging rope, a suspended ceiling and hanging pipes, wherein the hanging pipes are connected to the suspended ceiling throughhanging lines, a power supply module is arranged in the suspended ceiling, a controller module and a light emitting generation module are further arranged on the lower side of the suspended ceiling,vibration sensor modules are arranged in the hanging pipes, and sensor data lines are correspondingly arranged in the hanging lines. Being different from a conventional common wind bell which can onlymake sounds, the electronic wind bell lamp can make sounds and can also emit light, and therefore multiple kinds of good enjoyment can be brought to people at night.

The invention relates to a box type packaging mechanism, and particularly relates to a box type packaging mechanism which can bidirectionally turn on and turn off a power source and has a photoelectric sensing function. The box type packaging mechanism disclosed by the invention consists of two modules, namely, a base and a top box, comprising thirteen parts, namely, a box base, a connecting strip, a hoop, a light adjusting cover, set screws, a fastening washer, a press block, a centrally-arranged screw, a centrally-arranged elastic plate, a side screw, a side elastic plate, a box cover, a shifting block and the like. A packaging closing device for electronic component circuits has the characteristics of being capable of bidirectionally turning on and turning off a power supply, retaining external elements, adjusting the lightness of light, and being wide in adaptability. The packaging mechanism is widely applied in working environments, such as plains, mountainous areas, hills, islands, high altitude and the like, and accords with the use requirements of electric industry, mechanical industry, chemical industry and the like, and has the advantages of easiness in operation and manufacturing, beautiful appearance of formed products, solid and durable structure, use convenience, wide marketing space, and high application value and additional economic value.

The invention discloses an intelligent inductive LED lamp control system for a public hall and relates to the technical field of LED lamp control. The system comprises a microprocessor; the microprocessor outputs a switch command to an LED ceiling lamp; the microprocessor outputs a luminance command to an illuminating brightness adjuster; the illuminating brightness adjuster controls the illuminating brightness of an LED light set; the LED light set receives a switch command of a voice-controlled derailing switch; the microprocessor is connected with a mobile phone application program througha Bluetooth module; the microprocessor is connected with a remote controller through an infrared receiver; the microprocessor and the infrared receiver conduct data transmission; the microprocessor and the Bluetooth module conduct data transmission; the microprocessor and the voice-controlled derailing switch conduct data transmission; the microprocessor is connected with a key module. According to the intelligent induction-type LED lamp control system for the public hall, through the effects of the microprocessor, the illuminating brightness adjuster, the Bluetooth module and the infrared receiver, the problems of large installation work amount, waste electric energy and troublesome maintenance in the prior art are solved.

The invention relates to the technical field of semiconductor lighting, specifically to a lighting device. The color temperature-adjustable LED lighting device comprises at least two white light LED lamps with different color temperatures, and a half-transmitting and half-reflecting lens group, wherein the half-transmitting half-reflecting lens group comprises at least two half-transmitting half-reflective lenses. The emergent rays of the two LED lamps are combined into one beam of synthetic light through one of the half-transmitting half-reflecting lenses. The color temperature-adjustable LED lighting device further comprises a half-transmitting half-reflecting lens switching mechanism. Switching of the at least two half-transmitting half-reflecting lenses of the half-transmitting and half-reflecting lens group is carried out through the half-transmitting half-reflecting lens switching mechanism, such that the synthetic effect of the emergent rays of the two LED lamps can be adjusted. Owing to the above technical scheme, the color temperature-adjustable LED lighting device of invention has outstanding advantages of simple manufacture, low cost, large scope of lighting brightness adjustment, simple and accurate color temperature adjustment, good coloration, long service life, low energy consumption, instant lighting, etc.

The invention provides a display substrate and a display panel. The display substrate comprises a substrate, a pixel defining layer, a plurality of light emitting devices and an expansion layer. The pixel defining layer is located on the substrate and comprises a plurality of openings. A plurality of light emitting devices are defined in the opening, and a portion of the plurality of light emitting devices are color cast light emitting devices. The expansion layer is located on the side, away from the substrate, of the pixel defining layer, and at least part of the expansion layer surrounds and defines an opening of the color-cast light-emitting device. At a high temperature, the expansion layer expands to shield the emergent light of the color cast light-emitting device, so that the emergent light brightness of the sub-pixel corresponding to the color cast light-emitting device is reduced, and the high-temperature color cast problem of the display substrate and the display panel is relieved or eliminated.