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11results about How to "Good light distribution" patented technology

Indirect lighting indoor floor lamp

ActiveCN224094306UReflection angle controllableReflection angle optimizationLight fasteningsSemiconductor devices for light sourcesEngineeringTroffer
The indirect lighting indoor floor lamp comprises a lamp body provided with an upper light-emitting face and / or a lower light-emitting face. The groove comprises a groove bottom, a groove opening opposite to the groove bottom, a first side surface arranged between the groove opening and the groove bottom, and a second side surface opposite to the first side surface; the luminous body is arranged on the first side surface or the second side surface; and the reflecting part is arranged in the groove, and light emitted by the luminous body is reflected by the reflecting part, at least passes through one of the upper luminous surface and the lower luminous surface, and indirectly illuminates outside through the notch. According to the technical scheme, soft indirect lighting can be achieved, the light emitting body is arranged on one side of the groove, the light reflecting part extends along the arc shape to reflect light to the whole lighting area, dazzle light caused by direct light is avoided, the light is softer, and eyes are better protected after long-time use. Efficient indirect lighting is achieved through a simple light reflecting part structure, light distribution can be further optimized through reasonable design, and the requirements of different lighting scenes are met.
Owner:SHENZHEN YUEMING OPTICAL TECH CO LTD

Household illuminating lamp convenient to replace and maintain

The utility model relates to the technical field of household illuminating lamps convenient to replace and maintain, and discloses a household illuminating lamp convenient to replace and maintain, which comprises a wall body, a supporting block is fixedly arranged below the wall body, and a connecting block is fixedly arranged below the supporting block; the fixing assembly comprises a second supporting block arranged on the lower portion, and a rotating assembly is arranged below the second supporting block; an illuminating lamp is arranged below the supporting block II and is used for illuminating; a clamping block is arranged above the second supporting block, a fastening assembly is arranged above the clamping block and used for fixing the illuminating lamp, the fastening assembly is arranged through two sets of semicircular hinge buckles, and screws penetrate through threaded holes to achieve rapid opening and closing. When the bulb is replaced, the buckle can be separated only by unscrewing the screw, the second supporting block and the illuminating lamp are integrally taken down, and climbing or tools are not needed. And due to the rotary connection design of the clamping blocks and the fixing grooves, the illuminating lamp is automatically aligned during installation, the dislocation problem of a traditional plug-in type interface is avoided, and the replacement efficiency is improved.
Owner:ZHONGSHAN GR OPTICS CO LTD

A novel folded backlight system suitable for head-up display systems, motor vehicles and backlight display methods

This invention discloses a novel foldable backlight system suitable for head-up display (HUD) systems, comprising: a lamp panel assembly; a collimating lens for collimating white light emitted from LED beads; a spherical reflector for reflecting and shaping the collimated light; a beam expander for diffusing and homogenizing transmitted light; and an S-polarizing filter for filtering P-polarized light within the backlight. The light path is as follows: white light emitted from the lamp panel assembly passes through the collimating lens, is projected onto the spherical reflector, reflected by the beam expander, transmitted through the S-polarizing filter, and finally illuminates a 4.1-inch TFT screen. This invention also discloses a motor vehicle incorporating the above-described novel foldable backlight system, and a backlight display method. The HUD backlight system of this invention has the advantages of reducing surface heat of the TFT screen and minimizing the size of the PGU (Power Gear Unit).
Owner:SHANGHAI PUCHUANG AUTOMOTIVE TECH CO LTD

Wavelet mamba low-light image enhancement method based on illumination prior

ActiveCN120912473BGood light distributionImprove detail recovery capabilitiesImage enhancementImage analysisImage qualityWavelet
The application discloses a wavelet Mamba low-light image enhancement method based on illumination prior, and specific steps are as follows: step 1, an illumination estimation module is constructed, a low-light image is taken as input, and illumination quaternion prior is obtained; step 2, a wavelet Mamba encoding and decoding network is constructed, the low-light image and the illumination quaternion prior are input into the wavelet Mamba encoding and decoding network, and an enhanced image is obtained; step 3, a whole network composed of the illumination estimation module and the wavelet Mamba encoding and decoding network is trained, and a trained whole network is obtained; and step 4, a low-light image to be enhanced is input into the trained whole network, and a final enhanced image is obtained. The method can enhance the image while maintaining naturalness and details, and the enhanced image has high quality.
Owner:SHANGHAI MUNA INFORMATION TECHNOLOGY CO LTD

Mother pixel arrangement structure and micro display device

The present application relates to a kind of mother pixel arrangement structure and micro display device.The mother pixel arrangement structure includes driving backplate and multiple subpixels;Two subpixels in different pixel layers are located in: the inside of one subpixel in upper pixel layer is opened light transmission hole and constitutes light transmission pixel, the periphery of the light transmission hole of light transmission pixel forms peripheral light emitting area, the projection area of light transmission hole on driving backplate is second projection area, another subpixel in lower pixel layer is associated pixel, the projection area of associated pixel on driving backplate is first projection area, first projection area and second projection area at least partially overlap, so that associated pixel emits light at least partially via the light transmission hole of light transmission pixel shoots out.The present application also discloses a kind of micro display device, the present application can effectively improve the light efficiency and reliability of display device, also can make its light type meet the demand of different application scenarios.
Owner:INNOVISION TECHNOLOGY (ZHEJIANG) CO LTD

Headlamp and method for driving a headlamp

ActiveCN115989160Bimprove distributionGood light distribution
The invention relates to a headlamp for a vehicle, having a light source unit (1) for emitting light, an optical unit (4) for deflecting the light according to a predefined light distribution (L) and a control unit (5) for generating control signals (6, 7) by means of which the light source unit (1) and / or the optical unit (4) can be controlled, wherein the control signals (6, 7) are generated in dependence on a plurality of environmental parameters (9), wherein an optimization program (8) is stored in the control unit (5), by means of which the control signals (6, 7) are calculated from a plurality of individual control signals (A1, A2,... An), wherein different partial light distributions (TL1, TL2,... TLn) which are related to environmental parameters can be generated by means of the individual control signals (A1, A2,... An), respectively.
Owner:HELLA GMBH & CO KGAA

Microdisplay device and method of fabrication

This invention relates to a microdisplay device and its fabrication method. The microdisplay device includes a driving backplane and multiple pixel layers. The driving backplane has second-type electrode contacts. Each parent pixel includes multiple sub-pixels. The top of each sub-pixel is electrically connected to a corresponding second-type electrode contact via a top conductive layer. The bottom ends of the multiple sub-pixels are interconnected via bottom conductive layers to form a bottom common-electrode structure. In two sub-pixels located in different pixel layers: a channel is formed inside one sub-pixel in the lower pixel layer, and a peripheral light-emitting area is formed around the channel. A common-electrode conductive element passes through the channel. The bottom end of the common-electrode conductive element inside the channel is electrically connected to the bottom conductive layer of the sub-pixel containing the channel, and the top end is electrically connected to the bottom conductive layer of the other sub-pixel in the upper pixel layer. This invention also discloses a fabrication method. This invention can effectively improve the luminous efficiency and reliability of the microdisplay device, meeting the needs of different application scenarios.
Owner:INNOVISION TECHNOLOGY (ZHEJIANG) CO LTD

Optical system for double light homogenous light output

ActiveCN224414960UAchieve shapingImprove uniformityEngineeringOptic system
The utility model discloses a double light uniform light -emitting optical system belongs to car lamp equipment technical field. Including light source, uniform light -emitting structure, light source is provided with two luminous points, and uniform light -emitting structure sets up on the light -emitting direction of light source, and uniform light -emitting structure is provided with at least one, and uniform light -emitting structure corresponds with light source one to one, and uniform light -emitting structure includes light -emitting surface no.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Microdisplay device and method of fabrication

This invention relates to a microdisplay device and its fabrication method. The microdisplay device includes a driving backplane with multiple pixel layers stacked on it. Each parent pixel includes multiple sub-pixels. At least one pixel layer is a type-1 pixel layer, and the bottom ends of each sub-pixel in the type-1 pixel layer are electrically connected to a corresponding first-type electrode contact via an independent conductive block. The conductive block and the first-type electrode contact are one-to-one. In two sub-pixels located in different pixel layers, a channel is formed inside one of the sub-pixels in the lower pixel layer. A peripheral light-emitting area is formed around the channel, and interconnecting conductive components pass through the channel. Light emitted from the peripheral light-emitting area is at least partially emitted through the periphery of the upper sub-pixel electrically connected to the interconnecting conductive components inside the channel. This invention also discloses a method for fabricating the microdisplay device. This invention can effectively improve the luminous efficiency and reliability of microdisplay devices, meeting the needs of different application scenarios.
Owner:INNOVISION TECHNOLOGY (ZHEJIANG) CO LTD

Microdisplay device and method of fabrication

The present application relates to a kind of micro display devices and preparation method, micro display device includes driving backplate, and multiple layers of pixel layer are stacked on driving backplate, parent pixel includes multiple subpixels;The bottom end of each subpixel is respectively electrically connected to the corresponding first electrode contact by bottom conductive layer, and the top end of multiple subpixels is interconnected by top conductive layer and forms top common electrode structure;In two subpixels of different pixel layers: the internal channel of one subpixel in lower pixel layer is opened, and the peripheral emission area is formed in the peripheral channel, and the internal channel is for non-common electrode conductive piece to pass through;The light emitted by peripheral emission area at least partially emits via the upper subpixel of non-common electrode conductive piece electrically connected in internal channel.This application also discloses a kind of preparation method of micro display device.The present application can effectively improve the light efficiency and reliability of micro display device, meet the needs of different application scenarios.
Owner:INNOVISION TECHNOLOGY (ZHEJIANG) CO LTD

A design method for replacing LED automotive headlights

ActiveCN115560295BGood light distributioneasy to viewVehicle headlampsLighting and heating apparatus
This invention proposes a design method for replacing LED automotive headlights, comprising the following steps: S1. Setting up a main LED light source group near the original halogen filament installation location; S2. Setting up an auxiliary LED light source group on the side of the main LED light source group facing the base, the auxiliary LED light source group comprising two symmetrically arranged auxiliary light sources, the main LED light source group and the auxiliary LED light source group being independently driven or unbalancedly connected in series and parallel; S3. Setting up an auxiliary reflector on the side of the auxiliary LED light source group facing the base. The auxiliary LED light source group and the main LED light source group of this invention employ a non-uniform driving power / luminous flux design, which can control the overall power while ensuring the center light intensity to improve heat dissipation and cost. By adding an auxiliary reflector to improve the original headlight beam distribution, the auxiliary reflector, in conjunction with the auxiliary LED light source group, can effectively increase the horizontal width of the light distribution, significantly improving the driver's visibility when cornering or turning, and enhancing safety.
Owner:JIAXING GUANGTAI LIGHTING