14248 results about "Light guide" patented technology

A connector assembly includes an electrical connector, a metal shielding cage and a light guide element. The electrical connector includes an insulating body and a number of conductive terminals. The insulating body includes a mounting surface configured to be mounted to a circuit board and an installation through hole. The light guide element includes a light pipe which is at least partially inserted into the installation through hole along a mating direction. The light guide pipe includes a light guide head and an end far away from the light guide head. The end is disposed adjacent to the light emitting element on the circuit board.

The invention discloses a light guide plate defect detection method and system based on a neural network, and particularly relates to the technical field of machine vision detection, and the method comprises the following steps: aiming at the problem of image instability of a light guide plate in a dynamic transmission or rotation process, continuously collecting an image sequence and extracting time domain features; and performing interference judgment in combination with the inter-frame consistency prediction coefficient and a first threshold to realize accurate identification of the abnormal image frame. For an abnormal image frame, further correcting the recognition credibility of the abnormal image frame by adopting a confidence adjustment and fusion mode, and meanwhile, introducing a frequency domain transformation and image enhancement strategy to compensate detail loss caused by motion blur; according to the method, inter-frame consistency analysis, confidence fusion regulation and control and frequency domain fuzzy recognition and compensation mechanisms are introduced, abnormal judgment and image quality restoration of the light guide plate image in the dynamic scene are realized, the recognition accuracy and stability of the neural network model on the defect type, position and confidence are improved, and the false detection and omission ratio is effectively reduced.

The invention relates to the field of liquid crystal display, and discloses a liquid crystal display screen dynamic contrast optimization method and system, and the method comprises the following steps: collecting ambient light intensity and backlight module temperature parameters in real time, and combining with image content entropy analysis to dynamically generate a non-uniform backlight partition grid; a brightness diffusion physical model is constructed based on hardware parameters such as the refractive index of the light guide plate and the LED spacing, and the optimal brightness of each partition is solved by adopting a temperature self-adaptive improved particle swarm algorithm; driving voltage is generated through piecewise nonlinear gamma mapping and inverse function iterative calculation, and the driving voltage is adapted to the nonlinear response characteristics of the backlight module; a hardware accelerator is used for executing a diffusion equation and optimization calculation in parallel, and model parameters are dynamically adjusted in combination with feedback of an optical sensor, so that a closed-loop control link is formed. According to the method, the contrast performance and the dynamic scene adaptability of the display screen are comprehensively improved through dynamic partition adaptive to the environment, an optimization algorithm driven by a physical model and real-time processing accelerated by hardware.

The invention relates to a skylight assembly and a vehicle. The problems that in the prior art, a skylight atmosphere lamp is difficult to maintain and high in cost can be solved. The skylight assembly comprises a glass assembly. The light guide strip extends in the preset direction and is connected to the glass assembly; the cover body is used for being detachably connected with the glass assembly in the preset direction so as to cover the light guide strip; the lamp set comprises at least two light-emitting modules, the cover body is provided with at least two installation parts in the extending direction of the cover body, all the light-emitting modules are electrically connected and detachably installed on all the installation parts, and the light-emitting modules and the light guide strip are oppositely arranged.

An apparatus may include a platen, a light source system, an ultrasonic receiver system and a control system, the light source system being configured for providing first light and second light having first and second wavelengths to a target object on an outer surface of the platen and including one or more light guides configured to convey light parallel to a surface of the platen. The control system may be configured to: cause the light source system to provide the first light and the second light to the target object at a first time and a second time, respectively; receive first and second ultrasonic receiver signals from the ultrasonic receiver system corresponding to photoacoustic responses of the target object to the first light and the second light, respectively; and estimate one or more blood vessel features based on at least one of the first or the second ultrasonic receiver signals.

The invention discloses a low-illumination image enhancement method based on layered illumination guidance, and the method employs a trained low-illumination image enhancement model to carry out the image enhancement processing of a low-illumination image, and the low-illumination image enhancement model comprises a layered illumination estimator module, a dual-illumination feature modulation module, and a self-adaptive enhancement module. A low-level visual feature map and a high-level semantic feature map are extracted through a layered illumination estimator module, a dual-illumination feature modulation module modulates the feature maps through an illumination guide wavelet modulation unit and an illumination guide feature modulation unit respectively, and a self-adaptive enhancement module splices the modulated feature maps. And carrying out feature adaptive fusion and image-level enhancement processing on the spliced features, and finally outputting an enhanced illumination enhancement result image. According to the method, multi-domain reconstruction features are fused by combining multi-granularity illumination estimation and wavelet multi-scale analysis, and the robustness of a low-illumination image enhancement effect is improved based on residual learning.

To provide a game machine capable of attaining improvement in operability of operation means.SOLUTION: A game machine comprises: first operation means; second operation means disposed at a position separated from the first operation means; operation detection means capable of detecting an operation; a speaker; a speaker cover which has a plurality of sound releasing holes that face the speaker; a light emitting member arranged on the back side of the speaker cover; and a light guide member having a light incident part where the light emitted by the light emitting member is incident. Either when the first operation means is operated or when the second operation means is operated, the operation detection means is able to detect the operation. A light emitting performance in which the light emitting member is caused to emit light so that a sound release region in the speaker cover that faces the speaker appears to be luminous is executed.SELECTED DRAWING: Figure 334

To provide an optical system capable of enhancing coupling of light from a light source to an optical fiber, particularly an optical system that can be incorporated into medical instruments such as endoscopes.SOLUTION: There is provided an optical system. The optical system comprises a lens including an input surface for receiving light from at least one light source and an output surface through which the light exits the lens, the lens further including a peripheral surface extending between the input surface and the output surface and configured to direct, via total internal reflection, at least a portion of the light incident thereon through the output surface to an output focal point. The optical system can further comprise a tapered light pipe optically coupled to the lens and a light guide (e.g., one or more optical fibers) that is optically coupled to the tapered light pipe. The lens directs the received light to an output focal point that is disposed within the tapered light pipe.SELECTED DRAWING: Figure 3A

The invention discloses a light guide plate film covering method, device and equipment, and the method comprises the steps: responding to the detected size, material and surface condition of a light guide plate, and judging whether the light guide plate meets a film covering standard or not; commanding the robot to grab the membrane material, accurately positioning the alignment operation of the light guide plate and the membrane material through a visual guidance system, and adjusting the fitting position; controlling the membrane material to be preliminarily attached to the light guide plate, and adjusting pressure and adsorption force in real time according to material characteristics; analyzing data of the visual detection system, commanding the intelligent fluid dynamics control device to process bubbles or wrinkles, and meanwhile, re-scanning the processed area to ensure that the defoaming effect is qualified; and controlling the curing time, the curing temperature or the UV light intensity according to the used curing mode. According to the technical scheme, the laminating quality is improved, and bubbles and flaws are reduced.

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

A home appliance, e.g. a refrigerator, includes a cabinet forming a space and a door for opening and closing the space, the door including a door body with an insulator filled therein, and a panel assembly mounted in front of the door body, wherein the panel assembly includes a lighting device configured to emit light, a panel forming a front surface of the door and configured to transmit light therethrough, a light guide plate disposed behind the panel and configured to guide light emitted from the lighting device to the panel, and a member disposed between the panel and the light guide plate, including the panel and the light guide plate mounted thereon, and configured to transmit light of the light guide plate through an entire part of the panel.

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

To provide a game machine capable of suitably increasing a degree of attention to a game.SOLUTION: A diffusion lens 425 for a backside lower part has plural first recessed parts formed by a leftward diffusion part 425a, a front direction diffusion part 425b, and a rightward diffusion part 425c at least by the width of an emission surface of an LED 424 for a backside lower part. Accordingly, light applied from the first LED 424 for a backside lower part is diffused by optical paths in three directions within a backside light guide plate 420 by plural recessed parts of the diffusion lens 425 for a backside lower part. Since the diffusion part 425a for a leftward direction, the diffusion part 425b for a front direction, and the diffusion part 425c for a rightward direction are configured to have the same side length each, width of optical paths of light to be diffused is also configured to be identical.SELECTED DRAWING: Figure 13

A fiber-optic light guide is provided. The light guide includes plurality of optical fibers and an enveloping material. The plurality of optical fibers define a flexible fiber bundle. The flexible fiber bundle has a first diameter and a length along a longitudinal axis. The enveloping material encloses the plurality of optical fibers at one end of the flexible fiber bundle and over at least a part of the length to define a rigid portion. The plurality of optical fibers in the rigid portion are fused with one another. The flexible fiber bundle has a modified or formed cross-sectional geometry in a region of the enveloping material.

The invention discloses high-temperature gas temperature measuring equipment, and relates to the technical field of gas temperature detection. Through the design of the rotary shifting piece and the baffle plate, the air in the rotary chamber can generate an obvious centrifugal force effect under the condition of high-speed rotation, so that the air with lower temperature quickly flows to the edge of the inner wall of the rotary chamber under the centrifugal force effect, and the air with higher temperature is gathered to the axis position of the rotary chamber. According to the design, flowing of air and gathering of hot air can be completed in a relatively short time, and the accuracy and efficiency of air temperature measurement are greatly improved; due to the fact that the light emitted by the semiconductor laser can generate wavelength red shift after being heated, the laser is guided to the optical wavelength detector through the light guide optical fiber to be detected, and the temperature of air can be accurately measured. And reliable and accurate temperature data can be provided in an occasion with a high-precision measurement requirement, and measurement errors of a traditional temperature sensor in a high-temperature or complex environment are effectively avoided.

A light source module includes a light guide plate, a first light source, multiple first optical microstructures, and multiple second optical microstructures. The first light source is disposed on a side of a first light incident surface of the light guide plate. The first and second optical microstructures are disposed on a bottom surface of the light guide plate, and respectively located in a first and a second zone. A first light receiving surface of each first optical microstructure facing the first light source has a first edge connecting the bottom surface, and a perpendicular bisector of the first edge passes through the first light source. The first zone does not overlap the second zone. A second light receiving surface of each second optical microstructure has a second edge connecting the bottom surface, and a perpendicular bisector of the second edge does not pass through the first light source.

The invention discloses an image denoising and self-adaptive enhancement method based on pixel discretization and illumination guidance, and relates to the technical field of image processing, and the method comprises the steps: carrying out the down-sampling and noise reduction of an input image, and obtaining a preliminarily denoised image through the deconvolution operation, fuzzy pixel discretization and residual serialization; estimating an illumination component from the preliminarily denoised image by using an illumination estimation network; calculating a reflection image based on the estimated illumination component and the preliminarily denoised image according to an image enhancement theory; based on a dynamic splicing mechanism, splicing the reflection image and the illumination component in the channel dimension to obtain a spliced image; and with keeping of image details and brightness information as a criterion, denoising and enhancing are carried out on the spliced image through a reflection denoising network, and a denoised and enhanced image is output. According to the invention, high-quality recovery of low-illumination images is realized, and the intelligent level of an electric power inspection system is improved.

An electronic candle with a highly simulated flame effect, including a housing having a top wall and a cylindrical peripheral wall, where the top wall has a through hole in the center; a flame head, passing upward through the through hole and including a candle flame-like luminous body and a simulated cotton core column, where the luminous body including an LED lamp bead and a light guide cup at the bottom, the LED lamp bead and the light guide cup are each a misty colloid component, a transmittance of the LED lamp bead is higher than a transmittance of the light guide cup, a first light-emitting chip and a second light-emitting chip that separately change in light and dark are provided in the LED lamp bead vertically, the first light-emitting chip located above emits warm white light upward, and the second light-emitting chip located below emits blue light downward.

The invention provides a light guide plate surface defect detection method based on a GCC-YOLOv8 network model. The method comprises the following steps: acquiring an image of a light guide plate to be detected; the image is input into a GCC-YOLOv8 network model for defect detection; outputting surface defect information of the light guide plate based on a detection result; wherein the GCC-YOLOv8 network model is constructed based on a YOLOv8 network model, and comprises a backbone network unit, a neck network unit and a detection head network unit with three parallel detection branches, which are arranged in sequence; two GKA-C2f1 modules are arranged at the tail end of the backbone network unit; the neck network unit comprises an FPN network unit and a PAN network unit; the FPN network unit comprises two up-sampling modules, two C2f2 modules, two Concat modules, an SPPF module and a CPCA module; the PAN network unit comprises two CBS modules, two Concat modules, two C2f2 modules, three CPCA modules, a CFC module and an SFC module. The light guide plate surface defect detection method has good light guide plate surface defect detection performance and robustness, and also has good detection speed.

The invention relates to a glass assembly and a vehicle. The glass assembly comprises a glass component; the light guide strip is arranged on the glass assembly; the first supporting piece is arranged on the side face, away from the glass assembly, of the light guide strip, and the first supporting piece is provided with a loading part; and the lamp set comprises a lamp panel, the lamp panel is provided with a mounting part, and the mounting part is detachably connected with the loading part. When the lamp set is damaged and needs to be replaced after being used for a period of time, the mounting part and the loading part are directly detached, the whole lamp set can be detached, and then the lamp set is replaced with a new lamp set. Compared with the prior art, by means of detachable connection of the mounting part and the loading part, mounting and dismounting of the light guide strip mounted in a bonding mode can be omitted, convenient, efficient and labor-saving mounting and dismounting operation of the lamp set can be achieved, the use experience of a user can be improved, and the user experience is improved. And moreover, the problem that the light guide strip falls off due to insufficient bonding force can be prevented, and the product performance is ensured.

The present disclosure provides an electronic shelf label with an integrated light guiding structure, including: a screen (6), a light guiding sleeve (7) and an indicator light (4). The light guiding sleeve (7) is disposed to sleeve the screen (6) along an edge thereof. A rear end face of the light guiding sleeve (7) is attached to the indicator light (4). A light guiding post (701) is formed at a position, which is on a front end face of the light guiding sleeve (7) and overlapped with the indicator light (4). The present disclosure solves the technical problems of complicated internal structure and high cost of the electronic shelf label.

A touch sensing apparatus is disclosed, comprising a light transmissive panel that defines a touch surface, an opposite rear surface, and panel sides extending between the touch surface and rear surface. The panel sides define a perimeter of the light transmissive panel. The touch sensing apparatus comprises a plurality of light emitters and detectors arranged along the perimeter and adjacent the panel sides, a light guide arranged along the perimeter and having a first reflective surface comprising a diffusive light scattering element. The light emitters are arranged to emit a respective beam of light onto the diffusive light scattering element so as to generate propagating light that diffusively propagates above the touch surface, wherein the light detectors are arranged to receive detection light generated as said propagating light impinges on the diffusive light scattering element, and wherein the diffusive light scattering element is arranged at least partly outside the panel sides and extending at least partly above the touch surface.

To provide a game machine capable of attaining improvement in operability of operation means.SOLUTION: A game machine comprises: first operation means; second operation means disposed at a position separated from the first operation means; operation detection means capable of detecting an operation; a connection that connects the first operation means and the second operation means; a speaker; a speaker cover which has a plurality of sound releasing holes that face the speaker; a light emitting member arranged on the back side of the speaker cover; and a light guide member having a light incident part where the light emitted by the light emitting member is incident. Either when the first operation means is operated or when the second operation means is operated, the operation detection means is able to detect the operation. The connection has a portion to be detected, and the operation detection means is able to detect that an operation is performed when the position of the portion to be detected is changed.SELECTED DRAWING: Figure 334