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63 results about "Key light" patented technology

The key light is the first and usually most important light that a photographer, cinematographer, lighting cameraman, or other scene composer will use in a lighting setup. The purpose of the key light is to highlight the form and dimension of the subject. The key light is not a rigid requirement; omitting the key light can result in a silhouette effect. Many key lights may be placed in a scene to illuminate a moving subject at opportune moments.

Animation scene light and shadow dynamic rendering method and system

The invention provides a cartoon scene light and shadow dynamic rendering method and system, and relates to the technical field of cartoon production, and the method comprises the steps: firstly building a light and shadow association relationship between scene elements (including scene static structure elements and scene dynamic role elements) in a cartoon scene, and obtaining a scene element light and shadow association map containing hierarchical division and association weights; generating a light and shadow dynamic response rule based on the scene element light and shadow association map in combination with the atmosphere type, generating an initial light and shadow rendering scheme according to the rule in combination with the current frame scene element state data and the atmosphere type identifier, and analyzing the interaction influence of the light and shadow effect of each scene element in the initial light and shadow rendering scheme; multi-round iteration is adopted to adjust and optimize light and shadow parameters to generate a final light and shadow rendering scheme, the final light and shadow rendering scheme is applied to current frame rendering, finally, key light and shadow parameters of a current frame are extracted to be subjected to coherence analysis with a previous frame, inter-frame light and shadow transition parameters are generated to be used for smooth light and shadow connection of a next frame, and smoother and more comfortable visual experience is brought to audiences.
Owner:CHENGDU HEIGE TECHNOLOGY CO LTD

Display module with double-layer diaphragm matched for display and household appliance display panel

The utility model discloses a display module and a household appliance display panel with double-layer diaphragms matched for display, and belongs to the technical field of display panels, the display module comprises a first diaphragm and a second diaphragm, the first diaphragm is located on the lower layer in the light source projection direction, the second diaphragm is located on the upper layer in the light source projection direction, and after the first diaphragm and the second diaphragm are matched with a light source, the first diaphragm and the second diaphragm are matched. The display module only displays the background image-text and the function key image-text. According to the utility model, the two diaphragms, the two groups of light guide plates and the double-layer diaphragm are matched to realize the display of images and texts, the upper light guide plate and the diaphragm realize the slight brightness and constant brightness of background light, and the lower light guide plate realizes the highlight of the images and texts corresponding to the area when the touch key area is operated, so that the operation of a user is more convenient. The background light sources and the touch key light sources on the upper layer and the lower layer are independently controlled, and the light guide plate is arranged in a double-layer mode, so that background images and texts and function key images and texts do not affect each other, and display of the background images and texts and the function key images and texts is attractive and striking.
Owner:YIXING XU HANG ELECTRONIC CO LTD

Night light (stress relief button light)

ActiveCN309343483SEngineeringStress relief
1. Name of the design product: Night light (stress relief button light). 2. Use of the design product: The design product is used as a night light. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.
Owner:XIAMEN BLACK & WHITE CULTURE TECH CO LTD

Backlight module

A backlight module comprises a film, a light guide plate and a circuit board. The thin film comprises a single-bond light-transmitting area, a light-shielding area and a side light-transmitting area. The shading area is arranged on the periphery of the single-key light-transmitting area. The side edge light-transmitting area is arranged adjacent to or along the side edge of the thin film. The light guide plate is arranged below the film. The light guide plate is provided with a first microstructure group, a second microstructure group, a light conduction area and a through hole. The first microstructure group and the through hole are correspondingly arranged below the single-key light-transmitting area. The second microstructure group is correspondingly arranged below the side edge light-transmitting area. Part of the light conduction area is correspondingly arranged below the shading area. The circuit board is arranged below the light guide plate. And a light-emitting unit is arranged on the circuit board. The light-emitting unit is accommodated in the through hole. The number or the light-emitting area of the microstructures of the second microstructure group is larger than the number or the light-emitting area of the microstructures of the first microstructure group. Therefore, the backlight module can increase the variability of the light-emitting effect under the condition that no additional light-emitting unit or backlight module is added.
Owner:CHICONY POWER TECH CO LTD

A method for optimizing shadow precomputation based on light source clustering technique

The application discloses a method for optimizing shadow precomputation based on light source clustering technology, which comprises the following steps: firstly, uploading a scene file; secondly, analyzing light source properties; thirdly, setting rendering parameters and submitting the scene file and the rendering parameters to a cloud rendering system; fourthly, clustering light sources through script processing of node machines of the cloud rendering farm, and then identifying key light sources; fifthly, allocating machine resources and precomputing allocation; sixthly, generating a map after power allocation; seventhly, synthesizing shadows; eighthly, dynamically adjusting; ninthly, performing rendering; and tenthly, generating and outputting a rendering output image. The application not only improves rendering efficiency and shadow quality, but also provides an efficient, simple and reliable offline rendering solution for users through intelligent management and optimization.
Owner:SHENZHEN RENDERBUS TECH

Hangings (key light - traffic sign - sound)

ActiveCN309674305SKey pressingTesting Methods
1. The name of the design product: pendant (key light-traffic signs-sound). 2. The use of the design product: pendant for decoration, play and entertainment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:FUJIAN KAIZHONG ELECTRONICS CO LTD

Key light guide block

ActiveCN309298112SKey pressingLight guide
1. The name of this design product: key light guide block. 2. Purpose of this design product: Installed inside a key to guide the key light. 3. The design highlights of this appearance design product are as follows: Figure 1. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.
Owner:HUIZHOU HUANNUO ELECTRONIC TECHNOLOGY CO LTD

Luminous dart

A light-emitting type dart comprises a dart head, a dart rod and a dart tail, the dart head and the dart tail are arranged at the two ends of the dart rod in a sleeved mode respectively, a light-emitting assembly is arranged in the dart rod, and the whole dart rod is made of light-transmitting materials. The dart rod comprises a first half tube and a second half tube which are symmetrically arranged, and a light-transmitting rod is fixed at one end of the first half tube; a positioning groove is axially formed in the center of the dart head and used for being connected with the dart rod, a light hole is radially formed in the middle of the periphery of the dart head and penetrates through the positioning groove, and a hollow guide sleeve is arranged in the light hole and positioned through a positioning buckle; the light-emitting assembly comprises a circuit board and a power supply assembly, a button switch and a lamp bead are arranged on the circuit board, an elastic key is arranged at the position, corresponding to the button switch, of the first half tube, and after the lamp bead is turned on, lamplight penetrates through the dart rod and then is transmitted out along the guide sleeve and the end of the dart tail. The dart is compact in structure, has the light effect and can be charged, and the throwing interestingness is improved.
Owner:ZHEJIANG SUNRISE HIGH TECH NEW MATERIAL CO LTD

A digital counter based on key light display number and its counting method

This invention discloses a digit counter based on key-based indicator lights and its counting method, belonging to the technical field of counting devices and training tools. The digit counter includes number keys (1-10), a number key 0, a flashing light key, a decimal point key, lights, a switch, and a control chip. Each number key has a light and a switch; the switch controls the lights of all number keys less than or equal to their number to illuminate, and the lights of number keys greater than their number to turn off. Number key 0 controls the power on / off, the flashing light key controls the flashing mode, and the decimal point key controls the decimal point light's on / off state. The control chip detects key presses and controls the lights' on / off state. Carry and borrow are achieved manually by adding or subtracting 1 from the higher digits, without automatic chip control. The counting method includes power on / off, manual counting, flashing light mode, carry, borrow, multi-digit flash reading training, sequential memory training, software simulation, and mental arithmetic training steps. This invention features a simple structure, convenient operation, quiet and portable design, and strong training appeal. It can replace traditional abacus and mental arithmetic training methods, reducing the learning curve and making it suitable for various scenarios such as mathematics teaching, intelligence training, concentration training, daily calculation, mental arithmetic training, and prevention and treatment of Alzheimer's disease.
Owner:黄云章

Backlight device of key light guide plate

The utility model discloses a key light guide plate backlight device which comprises a device body (1), an LED lamp (2), a light guide plate (3), a key (4) and a circuit board (5) matched with the key (4), and the key (4) is embedded in the upper surface of the device body (1); the LED lamp (2) is arranged on the side face of the device body (1), the light guide plate (3) is arranged above the circuit board (5), and the light-emitting face of the LED lamp (2) is opposite to the side face of the light guide plate (3). The light guide plate (3) is internally provided with a plurality of lattice points used for changing the propagation path of incident light, and the lattice points are matched with one another so that the upper surface of the light guide plate (3) can emit light evenly. The LED lamp of the key light guide plate backlight device is mounted on the side surface of the key, and uniform light is realized through the light guide plate, so that the backlight brightness of the key is uniform.
Owner:AVIC EAST CHINA OPTOELECTRONICS CO LTD

TRIAC low-dimming quick starting circuit

The utility model discloses a TRIAC low-dimming quick start circuit, which comprises an alternating current input circuit, a rectification output circuit, a low-current quick start circuit and a power conversion circuit, and is characterized in that the rectification output circuit is electrically connected with the alternating current input circuit, the low-current quick start circuit and the power conversion circuit respectively; the rectification output circuit comprises a diode D5, an electrolytic capacitor EC1 and an electrolytic capacitor EC2. According to the TRIAC low-dimming quick start circuit disclosed by the utility model, the AC input circuit, the rectification output circuit, the low-current quick start circuit and the power conversion circuit are linked, and a dimming pin of the power management chip IC1 is utilized, so that the charging current of a capacitor is increased during startup, and the charging current of the capacitor is reduced during startup; and after the power supply works normally, the charging function is closed, so that the time for starting to turn on the lamp is provided, and the dimming depth is low enough.
Owner:LINKPOWER ELECTRONICS CO LTD

A keyboard backlight module with colorful AI keys

The utility model provides a keyboard backlight module with a colorful AI key, which belongs to the technical field of keyboards and aims to solve the problem in the prior art of how to make the AI ​​key of the keyboard emit uniform colorful light when in use without affecting the overall backlight effect of the keyboard. The utility model comprises a shading film, a light guiding film, a reflecting film, an LED lamp, and an FPC circuit board which are arranged in sequence from top to bottom, a plurality of key position light emitting units are arranged at intervals on the shading film, a shading ink layer is arranged around the light emitting edge of the key position light emitting unit, an AI key light emitting unit which is located at the lower right side of the shading film is arranged in the key position light emitting unit, a shading layer is arranged on the AI ​​key light emitting unit, a colorful patch which is located above the shading layer is attached to the AI ​​key light emitting unit, an LED lamp which is located on the FPC circuit board is correspondingly arranged below the AI ​​key light emitting unit, the shading layer and the LED correspond to each other, the area of ​​the shading layer is larger than the area of ​​the LED lamp, and smaller than the light emitting area of ​​the AI ​​key light emitting unit.
Owner:DONGGUAN JUXIN ELECTRONICS

Zinc alloy key light (ZY8845)

ActiveCN309704828SMetallurgyZinc alloys
1. The name of the design product: Zinc alloy key light (ZY8845). 2. The use of the design product: for lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:NINGHAI ZHIYA ELECTRIC APPLIANCE CO LTD

Method and system for rendering light and shadow dynamics of animation scene

The application provides an animation scene light and shadow dynamic rendering method and system, and relates to the technical field of animation production. First, the light and shadow correlation relationship between each scene element (including scene static structure elements and scene dynamic role elements) in an animation scene is established to obtain a scene element light and shadow correlation graph containing hierarchical division and correlation weight. Based on the scene element light and shadow correlation graph, light and shadow dynamic response rules are generated in combination with atmosphere types. According to the rules, initial light and shadow rendering schemes are generated in combination with current frame scene element state data and atmosphere type identifiers. The interactive influence of the light and shadow effects of each scene element in the initial light and shadow rendering scheme is analyzed. The final light and shadow rendering scheme is generated by adjusting and optimizing the light and shadow parameters through multiple rounds of iteration and is applied to the current frame rendering. Finally, the key light and shadow parameters of the current frame are extracted and analyzed for continuity with the previous frame. Frame-to-frame light and shadow transition parameters are generated for smooth connection of the next frame light and shadow, thereby bringing a smoother and more comfortable visual experience to the audience.
Owner:CHENGDU HEIGE TECHNOLOGY CO LTD

Novel key structure

The utility model belongs to the technical field of key switch structures, and provides a novel key structure, which can reduce and improve the key lighting efficiency, and mainly comprises a key light-transmitting button, a key silicon rubber case, a reflective base and a printed circuit board, a light source device and a touch switch are arranged on the first surface of the printed circuit board; the first end face of the trumpet-shaped reflective base is fixed on the surface of the printed circuit board and sleeves the periphery of the light source device, so that light emitted by the light source device is emitted from the second end of the reflective base; a disc-shaped light-transmitting key silica gel sleeve covers the reflective base, so that light emitted from the second end of the reflective base can be emitted into the key silica gel sleeve and the key silica gel sleeve emits light; the key silica gel sleeve is further sleeved and covered with a light touch switch, the disc-shaped bottom face of the key silica gel sleeve extends inwards to form at least one blind hole column abutting against the light touch switch, and a key rod of the key light-transmitting button is installed in a mode of being matched with a blind hole of the blind hole column so that the key rod of the key light-transmitting button can trigger the corresponding light touch switch through the blind hole column when being squeezed.
Owner:SHENZHEN FENDA TECH CO LTD

Touch key structure

The utility model relates to the technical field of key light display, and particularly discloses a touch key structure which comprises a touch sheet, a panel, a light guide plate and a switch box, the light guide plate is arranged below the panel, and the switch box is arranged below the light guide plate; the panel is provided with a plurality of through holes in rows, the top surface of the light guide plate is provided with a plurality of upper light guide parts corresponding to the through holes in rows, the touch sheets and the upper light guide parts are arranged in the through holes, and the light guide plate is provided with disconnection grooves between the adjacent upper light guide parts; a plurality of groups of light-emitting devices corresponding to the upper light guide parts are arranged in the switch box in rows, a plurality of holes corresponding to the upper light guide parts are formed in the top of the switch box in rows, and light rays emitted by the light-emitting devices can be emitted out of the holes and irradiate outwards through the upper light guide parts. According to the utility model, the problem of optical crosstalk of adjacent touch keys can be solved, and the use experience of a user is improved.
Owner:CHINABEST HOME APPLIANCE

Optical correlation computation method and system based on inner product of light field

The embodiment of the application provides a kind of optical correlation calculation method and system based on light field inner product, belong to optical computing field.The method comprises: obtaining query vector and key vector;The query vector is optically encoded to generate query light field, and the key vector is optically complex conjugate encoding to generate key light field;The query light field and the key light field are loaded in different spatial regions of modulation plane according to preset spatial arrangement mode, and are introduced into corresponding spatial carrier frequency modulation respectively;Make multiplexed light field after loading propagate through optical propagation structure, and form light intensity distribution containing conjugate cross term on detection plane;Based on the light intensity distribution, the conjugate cross term is separated and extracted to obtain correlation response.The technical scheme of the embodiment of the application can reduce the electronic computing burden in correlation evaluation process, reduce system processing overhead, and improve the implementation capability of optical domain correlation information processing.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Automobile key light guide structure

ActiveCN222810600UKeysHot stampingLight guide
The utility model belongs to a light guide structure of an automobile key in the technical field of automobile keys. Comprising a key PCBA (1), an LED lamp (2) and a light guide component (3) are arranged on the key PCBA (1), the light guide component (3) is provided with a first refracting surface (4) and a second refracting surface (5), a light reflecting surface (6) is arranged on the lower surface of the light guide component (3), a hot stamping area (7) is arranged at the position of the light reflecting surface (6), a light guide ring (8) is arranged on the upper surface of the light guide component (3), and a lightening area (9) is arranged on the light guide ring (8). The light guide structure of the automobile key is simple in structure, the lightening area of the automobile key can be effectively increased, and the light guide performance is improved.
Owner:ATECH AUTOMOTIVE WUHU

Backlight module

A backlight module comprises a circuit board, a reflecting layer, a light guide plate and an anti-dazzling screen which are sequentially arranged from bottom to top. The anti-dazzling screen comprises first and second single-key light-transmitting areas and first and second light-shading areas. The first light shielding region is located between the first and second single-key light-transmitting regions. The second shading area is located on one side of the second single-key light-transmitting area. The light guide plate comprises a first light guide area and a second light guide area which respectively correspond to the first single-key light-transmitting area and the second single-key light-transmitting area, and a first accommodating hole and a second accommodating hole which respectively correspond to the first light-shielding area and the second light-shielding area. The circuit board is provided with a first light-emitting piece and a second light-emitting piece which are contained in the first containing hole and the second containing hole respectively and emit light towards the first light guide area and the second light guide area respectively. The reflecting layer is provided with a first opening and a second opening. The first and second light-emitting members are respectively disposed at the first and second openings.
Owner:CHICONY POWER TECH CO LTD

Vehicle-mounted solid wood touch control cover plate with luminous keys

The utility model discloses a vehicle-mounted solid wood touch control cover plate with luminous keys, which comprises a solid wood cover plate body, key light guide strips and a touch control Sensor layer, key hollow holes are formed on the solid wood cover plate body, and the solid wood cover plate body is provided with a cover plate front surface and a cover plate back surface; the key light guide strip is installed on the key hollow hole, and an LED lamp is installed below the key hollow hole. And the touch sensor layer is mounted on the back surface of the cover plate. In this way, the cover plate is arranged to be the solid wood cover plate body, so that the vehicle-mounted touch cover plate shows the real solid wood texture, and the attractiveness is improved; according to the vehicle-mounted solid wood touch control cover plate, the LED lamp is arranged on the solid wood cover plate body, meanwhile, the key light guide strip and the touch control Sensor layer are arranged, so that a light-transmitting key icon can be formed on the solid wood cover plate body through the key light guide strip, in this way, when the hand is close to the vehicle-mounted solid wood touch control cover plate, the LED lamp is turned on, when the finger touches the key light guide strip, the touch control Sensor layer reacts, and therefore the touch control function is achieved.
Owner:TRULY OPTO ELECTRONICS

Automobile key light guide structure

The utility model discloses an automobile key light guide structure which comprises a PCB (printed circuit board) (1), a light source (2) and a light guide ring (3) connected with the light source (2) are arranged on the PCB (1), the light guide ring (3) is located above the PCB (1), the light source (2) is an LED lamp, the light source (2) is located on the side edge of the light guide ring (3), an ejector plate (4) is arranged between the light guide ring (3) and the PCB (1), a gap is reserved between the light guide ring (3) and the PCB (1), and the light guide ring (3) is connected with the PCB (1). A light guide ring (7) is arranged on the light guide ring (3); the height of the annular area is increased, the vertical light guide effect is better achieved, and in order to achieve large-area uniform lighting, the light guide effect of vertical front lighting is achieved by adopting the side light-emitting LED lamps, considering spatial arrangement and a waterproof structure, raising the reflective face, reaching the visual range of a user through light reflection and diffuse reflection and additionally arranging the light guide ring (7) in a matched mode.
Owner:ATECH AUTOMOTIVE WUHU

Low-temperature-shrinkage-preventing light guide inlay structure, low-temperature-shrinkage-preventing light guide inlay structure with shrinkage-resisting support, light-emitting key light guide plate and night vision compatible key control panel

The utility model provides an anti-low-temperature shrinkage light guide inlay structure, which is provided with an anti-shrinkage bracket, an anti-low-temperature shrinkage light guide inlay structure, a light-emitting key light guide plate and a night vision compatible key control panel, and comprises the following structures: an inlay which is made of a light-transmitting material and is fixedly provided with an assembly bulge on one side of a non-light-emitting surface; a rectangular hole for light transmission is fixedly formed in the panel, a groove for embedding an inlay is formed in the outer portion of the rectangular hole, and a limiting protrusion is fixedly arranged in the groove, the design scheme is simple and easy to implement, complex process requirements are not needed, a conventional inlaying mode is not changed, the skill requirement for technicians is not improved, and the inlaying structure is suitable for inlaying structures of various sizes; the problem that the inlay shrinks at low temperature is solved, and the technical problem that an existing light guide inlay is split with a main body structure in a severe high-low temperature circulating working scene to generate a gap is solved.
Owner:AVIC EAST CHINA OPTOELECTRONICS CO LTD

Key light (with flashlight ellipse)

ActiveCN309418594SEngineeringFlashlight
1. Name of the Design Product: Key Light (with Elliptical Flashlight). 2. Use of the Design Product: For lighting. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.
Owner:NINGHAI XUHAO ELECTRIC CO LTD

Key light guide plate capable of preventing light crosstalk of LED (light-emitting diode) lamp

The utility model relates to a key light guide plate for preventing light-emitting diode (LED) light crosstalk, which comprises a rear cover, a printed board arranged on the rear cover, a panel connected with the rear cover and covering the printed board, keys arranged on the panel, LED lights arranged on the printed board, and indicator lights, the part, located in the key, of the light guide body is subjected to shading treatment, and a light insulation cover is arranged between the bottom of the light guide body and the indicator lamp. According to the utility model, the structure is simple, the man-machine effect is good, two light emitting colors can be easily realized on the same key in the actual use process, and the crosstalk phenomenon is avoided, so that the reliability of the product is improved, the application range is wide, and the application prospect is better.
Owner:AVIC EAST CHINA OPTOELECTRONICS CO LTD

Uniform luminescence monitoring method of array structure

The invention provides a uniform luminescence monitoring method for an array structure, and relates to the technical field of display, and the method comprises the steps: capturing an image when a dot matrix light source on a target array structure emits light, and carrying out the processing and analysis of an obtained first array luminescence image set, thereby obtaining a key light spot; and analyzing the uniformity degree of the key light spots to obtain a light spot uniformity evaluation result, and combining the light spot uniformity evaluation result with an optical uniformity evaluation result obtained by collecting and analyzing optical parameters on the target array structure in real time to obtain a uniform luminescence monitoring result of the target array structure. Analyzing the captured image when the dot matrix light source on the target array structure emits light to obtain a key light spot; and combining a light spot uniformity evaluation result obtained by analyzing the uniformity of the key light spot with an optical uniformity evaluation result obtained by analyzing the acquired optical parameters of the dot matrix light source on the target array structure, and analyzing to obtain a uniform luminescence monitoring result of the target array structure. And the accuracy of uniform luminescence monitoring of the target array structure can be effectively improved.
Owner:GUOJING HECHUANG (QINGDAO) TECH CO LTD +1