1388 results about "Optical layer" patented technology

The invention discloses an optical transmission network hidden danger detection method and device and a computer program product, which can realize dynamic adjustment of differentiated bandwidth requirements by acquiring optical network state information in real time, evaluating service priority and establishing an optical channel resource allocation model. And when a topology anomaly is detected, constructing a service quality evaluation model by using a long-short-term memory neural network, and quantitatively analyzing the influence of the anomaly on the service. When a fault occurs, distributed link fault detection and a fault diagnosis engine based on a decision tree are adopted, and fault hidden dangers are quickly positioned and classified. And then, through an elastic recovery mechanism oriented to service sensitivity, the service quality level of a standby optical path is adjusted, and an optical layer topology connection relationship is optimized. According to the method, the resource utilization efficiency, the fault recovery capability and the service quality of the optical network are remarkably improved, and an innovative solution is provided for intelligent optical network management.

The invention relates to the technical field of display chips, and provides a Micro LED micro display chip and a preparation method thereof, the micro display chip comprises a driving substrate and a light emitting structure arranged on the driving substrate; the light-emitting structure comprises a plurality of LED units arranged on the driving substrate at intervals, each LED unit can be independently driven by the driving substrate, and the LED units are provided with a plurality of LED table tops in one-to-one correspondence; the first fence structure is provided with a plurality of first grid holes, the plurality of first grid holes respectively surround the plurality of LED table boards, and the first fence structure is higher than the plurality of LED units; and the optical layer is arranged on the first fence structure, and the LED table board and the optical layer form a cavity area at the corresponding first grid holes. The cavity area is formed through a simple process, heat of the LED unit is reduced to be transmitted to the light conversion structure above, the service life of the micro-display chip is prolonged, and the manufacturing cost is reduced.

The invention relates to the technical field of electric power communication, in particular to an OSU and ASON-based electric power communication network cooperative protection method and system, and the method comprises the steps: dynamically configuring bandwidth resource granularity for different services, and building an electric layer optical service unit protection mechanism; performing lossless bandwidth adjustment on the abnormal service through an electric layer optical service unit protection mechanism to obtain service bandwidth resource adjustment information; configuring main and standby optical paths for various services based on the service bandwidth resource adjustment information, and determining whether to trigger an optical layer protection switching mechanism based on the real-time state of the main and standby optical paths and the protection state of the electric layer automatic switching optical network; and in response to an optical layer protection switching mechanism trigger signal, constructing and solving a photoelectric collaborative optimization model by taking minimization of photoelectric layer switching delay as an optimization target to obtain a photoelectric collaborative optimization protection strategy. By integrating the protection resources of the electric layer and the optical layer, the service can be quickly recovered when the fault occurs, and the continuity and the stability of the power communication network are guaranteed.

Provided is an optical laminate that includes solidified liquid-crystal oriented layers and is capable of suppressing specific display unevenness when applied to an image display device. An optical laminate according to an embodiment of the present invention comprises: a polarizing plate including a polarizer; and a retardation layer that is laminated on the polarizing plate with a first adhesive layer therebetween. The retardation layer includes, in order from the polarizing plate side, a first solidified liquid-crystal oriented layer and a second solidified liquid-crystal oriented layer laminated on the first solidified liquid-crystal oriented layer with a second adhesive layer therebetween. The retardation layer has a circular polarization function or an elliptical polarization function over the entirety thereof and has a relationship Re(450) < Re(550) < Re(650). The thickness of at least one of the first adhesive layer and the second adhesive layer is 300 nm or less.

A display device including a display panel, a flexible light guide having a Young's modulus of about 10 to 1000 MPa, a light emitting element, and an optical layer is provided. The flexible light guide includes a light source portion, a light entrance portion, and a middle portion. The middle portion is bent, so that the light source portion and the light entrance portion are disposed at the opposite sides of the display panel. The light emitting element is disposed adjacent to the light entrance portion of the flexible light guide with a light emitting surface facing the side edge of the flexible light guide. The optical layer is in contact with a surface of the light source portion and a difference of refractive index between the flexible light guide and the optical layer is in a range of 0.1 to 0.2.

The invention discloses an optical path-free detection method, a detection system, a controller and a medium, the detection method is applied to an optical transceiver assembly in an optical path-free, the optical transceiver assembly is configured with probe light, and the method comprises the following steps: obtaining first power spectrum data of the output end of the current optical transceiver assembly through the probe light, acquiring second optical power spectrum data of the input end of the downstream optical transceiver component of the current optical transceiver component; calibrating optical parameters of the optical layer model according to the first power spectrum data and the second power spectrum data to obtain an optimized target optical layer model; in response to the condition that the service is switched to the non-optical path, the optical signal to noise ratio of the non-optical path is determined according to the target optical layer model, parameter calibration can be effectively carried out on the bottom optical layer model of the non-optical path through the method, the prediction precision is improved, service end-to-end high-precision optical signal to noise ratio estimation is achieved, and the service performance is improved. The success rate of service recovery routing in optical network operation and maintenance is improved, and network service with higher quality is provided.

The invention relates to the technical field of optical communication, in particular to an algorithm service system and method for an optical transport network, and the system comprises an optical network sensing module which is used for collecting optical layer performance parameters, service flow data and node equipment operation states of the optical transport network; the deep algorithm decision center predicts service traffic based on a space-time diagram convolutional network, and optimizes routing wavelength allocation through reinforcement learning; the strategy adaptation module is used for dynamically generating an operation and maintenance strategy and an energy-saving scheduling instruction according to the prediction result and the optimization scheme; the risk assessment unit is used for assessing a link fault risk, a service interruption risk and a network congestion risk in real time, quantifying a risk weight through an analytic hierarchy process, and optimizing an operation and maintenance strategy in combination with historical fault data; and the intelligent resource reconstruction unit is used for performing optical channel reconstruction according to the optimized operation and maintenance strategy, dynamically allocating optical layer resources or switching redundant transmission paths. Therefore, the problems of poor strategy adaptability, low resource scheduling efficiency, insufficient fault-tolerant capability and the like in the prior art are solved.

The invention provides electronic equipment. The electronic device includes a display panel; the anti-glare optical layer is arranged on the light emitting side of the display panel, the anti-glare optical layer comprises a substrate and a microstructure layer, the microstructure layer is arranged on the surface of the substrate in the thickness direction of the substrate, and the microstructure layer comprises a plurality of microstructure units; wherein the size of a single microstructure unit is in direct proportion to the pixel density of the display panel. The electronic device can inhibit the flash point phenomenon and improve the visual definition of the displayed image while achieving the anti-glare performance.

The invention discloses a non-linear optical structure with perfect phase matching and high second harmonic generation efficiency. The non-linear optical structure comprises a fundamental frequency wave resonance structure, a non-linear optical layer, a second harmonic reflection structure and a substrate, the fundamental frequency wave resonance structure is used for generating electromagnetic field local enhancement at an incident fundamental frequency wavelength and realizing a phase matching condition by optimizing electric field phase distribution; the nonlinear optical layer is used for frequency conversion from fundamental frequency waves to second harmonics and regulating and controlling harmonic radiation capability and phase regulation and control; the second harmonic reflection structure is used for controlling coupling-out of second harmonics; the rotary nonlinear optical layer can adjust the phase characteristic of the radiated second harmonic so as to realize perfect phase matching of a harmonic field; according to the nonlinear optical structure with perfect phase matching and high-efficiency second harmonic generation efficiency, accurate control of phase matching conditions is realized through reasonable optical film stacking and phase matching technologies, and high-efficiency coupling-out and utilization of second harmonics are ensured.

The present invention addresses the problem of providing: a transfer film that is used for manufacturing an optical waveguide member, and that enables formation of an EO layer having a reduced variation in thickness and exhibiting a high electro-optical constant; and a method for manufacturing an optical waveguide using the transfer film. A transfer film according to the present invention is used for manufacturing an optical waveguide member, and has a temporary support, an alignment layer, and an electro-optical layer containing an organic dye in the stated order.

According to the present invention, provided are an optical laminate which has excellent adhesiveness between two optically anisotropic layers, and in which an A plate or a layer obtained by fixing a twist-aligned liquid crystal phase, which is as an optically anisotropic layer, has excellent liquid crystal alignment properties, a polarizing plate, and an image display device. An optical laminate of the present invention has: a first optically anisotropic layer formed of a first liquid crystal compound; a second optically anisotropic layer formed of a second liquid crystal compound; and a mixed layer which is disposed between the first optically anisotropic layer and the second optically anisotropic layer and contains a component derived from the first liquid crystal compound and a component derived from the second liquid crystal compound, the first optically anisotropic layer is a C plate, the second optically anisotropic layer is an A plate or a layer obtained by fixing a twist-aligned liquid crystal phase, the mixed layer further contains a photo-alignment compound, and in an analysis of components of the optical laminate in a depth direction by time-of-flight secondary ion mass spectrometry with ion beam irradiation from a surface of the optical laminate on a first optically anisotropic layer side toward a second optically anisotropic layer side, predetermined requirements are satisfied.

The invention belongs to the related technical field of three-dimensional shape measurement, and discloses a three-dimensional shape measurement method and system based on continuous vertical scanning structure illumination, and the method comprises the steps: S1, collecting a structured light image of a to-be-measured sample at each scanning position; s2, carrying out background light intensity estimation by using the adjacent structured light images in the time domain, obtaining a uniform illumination image, and correcting the structured light image; s3, performing high-pass filtering on the uniform illumination image to obtain high-frequency in-focus information; performing low-pass filtering on the corrected structured light image to obtain low-frequency in-focus information; fusing the two to obtain an optical tomographic image of the to-be-detected sample; and S4, obtaining the three-dimensional shape of the to-be-detected sample. According to the method, a continuous scanning structured light illumination measurement method is adopted, only one structured illumination phase shift cosine fringe pattern is collected at each scanning position, and high-precision chromatography extraction is carried out, so that high-precision chromatography imaging under the condition of an uninterrupted continuous scanning mode can be realized, and the measurement speed and precision are greatly improved.

Provided are: an optical laminate which contains a plurality of liquid crystal layers in which liquid crystal compounds are oriented in different states, and which has a low reflectivity of a regular reflection component when light is incident thereon; a display device; and a sensor. The optical laminate includes a first liquid crystal layer containing a liquid crystal compound and a second liquid crystal layer containing a liquid crystal compound, the first liquid crystal layer is adjacent to the second liquid crystal layer, and the first liquid crystal layer has a liquid crystal alignment pattern which changes while continuously rotating in at least one in-plane direction from the optical axis of the liquid crystal compound. The optical laminate satisfies predetermined requirements.

The present disclosure discloses a sexual stimulation device. The sexual stimulation device includes a housing. The housing includes a first portion, a second portion, and a connecting member connecting the first portion to the second portion. The first portion corresponds to a stimulation portion for providing sexual stimulation to a user. The sexual stimulation device further includes an optical effect generating member configured in the second portion. The optical effect generating member includes a first optical layer exposed to an external environment. The optical effect generating member is configured to generate at least one optical effect through the first optical layer based on receipt of at least one light source on at least the first optical layer.

Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain δa of the resin layer satisfy Expression (1-1) ¼ (3×Ep / Ea)2 / 3>δa.

An optical modulators is disclosed. The optical modulator includes a substrate, an optical waveguide formed on the substrate, a signal electrode formed on the optical waveguide via a first buffer layer and applying a modulation signal to the optical waveguide, and a bias electrode formed on the optical waveguide via a second buffer layer and applying a DC bias to the optical waveguide, the first buffer layer and the second buffer layer are formed in such a way that either one of the first buffer layer and the second buffer layer covers an end surface of the other one of the first buffer layer and the second buffer layer at a boundary part of the first buffer layer and the second buffer layer. Accordingly, an optical modulator with high reliability can be provided.

Provided are: an optical laminate which uses a biaxially stretched polyethylene terephthalate film as a base material, has bending resistance, and in which iris irregularities are suppressed; and an image display device which uses the optical laminate. This optical laminate is used in an image display device, and is provided with: a light-transmitting base material which is formed from a biaxially stretched polyethylene terephthalate film and which has in-plane birefringence; and an optical functional layer provided on one surface of the light-transmitting substrate, the arithmetic average roughness Ra of the surface of the optical functional layer being 0.04 [mu] m or more, the average inclination angle [theta] a of unevenness present on the surface of the optical functional layer being 0.30 DEG or more, and the in-plane retardation Re of the light-transmitting substrate defined by formula (1): Re = (nx-ny) * d being 2,000 nm to 7500 nm (inclusive). Here, nx is the refractive index in the slow axis direction, ny is the refractive index in the in-phase axis direction, and d is the thickness of the translucent substrate.

A display device includes a substrate, a plurality of bank patterns disposed on the substrate, at least one concave portion formed in one of the plurality of bank patterns, a first electrode disposed in the concave portion, a reflection layer disposed on the first electrode, a light-emitting element disposed on the first electrode; and a first optical layer surrounding a side surface of the light-emitting element.

A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.

Provided is an optical laminated body comprising an adhesive sheet, an anti-static layer, and an optical film. The anti-static layer satisfies formula (1). In formula (1), A and B are the surface resistivity (unit: Ω / □) of the anti-static layer before and after, respectively, a weather resistance test (test condition: Z-IN1) defined in German Industrial Standard DIN 75220. The abovementioned optical laminated body is suitable to be applied to an image display device to be used in a severe environment such as an in-vehicle environment.　Formula (1): -2 ≤ logB - logA ≤ 2

The present invention relates to a formulation for preparing an optical layer containing a metal oxide. The formulation may exhibit at least one of properties as an advanced material or as a high-performance material. The formulation may be used in the nanotechnology process to make semiconductor device / display device application, for example semiconductor chip, or a liquid crystal, quantum dot, OLED display fabricated on a substrate controlled by semiconductors.

A display device (100) comprises a plurality of first electrodes (161) and a contact electrode (163) on a substrate (110); a plurality of light-emitting elements (10) on the plurality of first electrodes (161); a first optical layer (141) between the plurality of light-emitting elements (10); and a second electrode (170) on the plurality of light-emitting elements (10), wherein the second electrode (170) comprises a first region (171) located on the plurality of light-emitting elements (10) and a second region (172) extending beyond an end of the first optical layer (141) and in contact with the contact electrode (163).

The invention relates to a retractable lighting fixture, comprising an elongated drum rotatable over a length axis; and a flexible multilayer lighting sheet movable between a retracted position and a protracted position, with the multilayer lighting sheet in the retracted position being at least partially retracted in one or more windings around the drum and with the multilayer lighting sheet in the protracted position being fully unwound from the drum; the multilayer lighting sheet being composed of at least one LED layer and at least one diffusing optical layer, the at least one LED layer having a first LED layer edge mounted at a first mounting position of the drum and the at least one diffusing optical layer having a first optical layer edge mounted at a second mounting position of the drum, the first mounting position being located at an arc length from the second mounting position.

To provide a manufacturing method of a display system such as high-definition VR goggles.SOLUTION: A management method of first and second optical laminates, includes: (i) classifying a plurality of first optical laminates into Na-number of groups each having a different average value of an in-plane phase difference; (ii) classifying a plurality of second optical laminates into Nb-number of groups each having a different average value of the in-plane phase difference; (iii) matching a combination A of a 1a group and a 1b group, and a combination B of a 3a group and a 3b group on the basis of the average value of the in-plane phase difference; and (iv) allocating first optical laminates included in the 2a group and second optical laminates included in the 2b group to the combination A and / or the combination B respectively such that a difference between the number of the first optical laminates and the number of the second optical laminates in the combination A and / or the combination B becomes small.SELECTED DRAWING: Figure 6

A glazing unit (101) is provided configured for reception of radio frequency signals, the glazing unit (101) has an optical layer (143) including electrophoretic charged particles and being arranged between a first substrate (141) and a second substrate (142), electrodes (122, 123) on the substrates (141, 142) cooperate in the electrophoretic modulation of the charged particles' position causing modulation of light passing through the glazing unit (101). The glazing unit (101) has at least one antenna (121) for reception of a radio frequency signal. The antenna (121) may be arranged on a side of a substrate (141, 142) or on a side of a pane (111, 112), e.g., glass pane.

The invention discloses a partition display system and method based on a polarization body holographic grating, and belongs to the technical field of display, and the system comprises a light source layer, a collimation optical layer, an electric control light diffusion layer, a polarization body holographic grating array layer and a liquid crystal display layer which are sequentially arranged from bottom to top; the light source layer can independently generate left-hand circularly polarized light and right-hand circularly polarized light; the collimating optical layer can convert light emitted by the light source layer into collimated light beams; the electric control light scattering layer has a transparent mode and a scattering mode which can be switched; the polarization body holographic grating array layer is formed by alternately arranging left-hand circular polarization gratings and right-hand circular polarization gratings; when the electric control light scattering layer is in a transparent mode, the liquid crystal display layer only performs rendering display on an area through which refracted light of the polarization body holographic grating array layer passes; and when the electric control light scattering layer is in a scattering mode, the liquid crystal display layer renders and displays all areas through which light passes. The invention has the advantages of high luminous efficiency utilization rate, low visual area crosstalk, ultra-thinness and the like.

To provide a manufacturing method of an alignment liquid crystal film that bonds an alignment liquid crystal layer and an optical layer, interposing an active energy ray-curable type adhesive agent, by a roll-to-roll method, the manufacturing method of an alignment liquid crystal film capable of manufacturing an alignment liquid crystal film with less change in optical characteristics even when exposed to a high temperature environment for a long period of time.SOLUTION: A manufacturing method of an alignment liquid crystal film includes a bonding process of bonding an alignment liquid crystal layer and an optical layer, interposing an active energy ray-curable type adhesive agent, by a roll-to-roll method. The adhesive agent has a cure shrinkage ratio of 11% or less.SELECTED DRAWING: Figure 1

Systems and methods for enabling higher uniform performance and higher voltage operation for micro-OLED displays, manufacturing a meniscus lens including thermo-forming a functional optical layer and printing a lens element over the formed functional optical layer, using a hybrid process used to form a functionalized lens having a controlled surface profile, modeling the polarization properties of a human eye using a polymer thin film, and improving optical sparce eye-tracking by collecting an optical output signal from each detector through a corresponding optical fiber, and determining a gaze direction of a user's eye based on the electrical signal may be disclosed.

An object of the present invention is to provide a forming method capable of obtaining an optical film in which occurrence of ghost can be suppressed in a case of being used in, for example, a virtual reality display apparatus; an optical film; a cholesteric liquid crystal layer; an optical laminate; and a production method of a curved-shaped optically functional layer. The object is achieved by a forming method including a heating step of heating an optical film, a forming step of pressing the optical film against a mold to deform the optical film, and a cutting step of cutting the optical film, in which the heating step is a step of heating the optical film by irradiating the optical film with infrared rays, and an irradiation amount of the infrared rays has a distribution in a plane of the optical film.

The invention belongs to the technical field of unmanned aerial vehicle safety, and particularly relates to an unmanned aerial vehicle impact human body sharpness damage test device and evaluation method, through introducing a dynamic weight distribution algorithm, weights of various damage parameters are adjusted in real time according to the speed of an unmanned aerial vehicle, the curvature radius of a part and the type of an impacted human body part; and the injury evaluation is more accurate and personalized. The acute injury is quantitatively evaluated by adopting the comprehensive injury index IDI, various factors can be comprehensively considered, comprehensive injury grade evaluation is provided, and subsequent risk analysis and protective measure formulation are facilitated. By combining data acquisition of a physical layer and an optical layer and utilizing cooperative work of a sensor and a high-speed imaging system, comprehensive monitoring and analysis of an impact process are ensured, and accuracy and reliability of data are improved. A high-precision pressure sensor is adopted, dynamic changes at the moment of impact can be captured in real time, and more detailed damage parameters are provided.