12results about How to "Glare suppression" patented technology

The purpose of the present invention is to provide: a false-twist processed yarn which has a texture such as a dry feeling and resilience, a high texture feeling, suppressed glare, a high feeling of combing with a natural appearance, and a functionality such as extensibility; and a composite false-twist processed yarn, a twisted yarn, a woven knitted fabric, and a garment, each of which includes the false-twist processed yarn. This false-twisted yarn contains a polyester-based thermoplastic resin A and a polyester-based thermoplastic resin B, and satisfies the following requirements. (1) The difference (MA-MB) between the weight-average molecular weight MA of the polyester-based thermoplastic resin A and the weight-average molecular weight MB of the polyester-based thermoplastic resin B is 2000-15000. And (2) the polyester-based thermoplastic resin A and the polyester-based thermoplastic resin B are joined in an eccentric manner. And (3) the apparent thickness ratio (Dthick / Dthin) of the false-twisted yarn is from 1.05 to 3.00. And (4) the surface of the false-twisted yarn has slits in the axial direction of the fiber and cracks in the direction substantially orthogonal to the axial direction of the fiber.

Provided is a light-shielding film for obtaining a light-shielding member capable of visually distinguishing the front and back surfaces while suppressing the occurrence of glare and ghosting. (A) is the glossiness with respect to light at an incidence angle of 60 degrees, (B) is the reflectance with respect to light at a wavelength of 550 nm, (C) is the L value in a CIELAB color system based on the SCE method, and (D) is the optical density (OD). In this case, the light-shielding film (100) is a light-shielding film for obtaining a light-shielding member for an optical device, and has at least a first light-shielding layer (21) and a second light-shielding layer (31). The outermost surfaces (A), (B), (C), and (D) of the surfaces on which the first light-shielding layer (21) and the second light-shielding layer (31) are formed are 2% or less, 4.5% or less, 26 or less, and 1.0 or more, respectively. The difference (B) and the difference (C) between the outermost surface of the surface on which the first light-shielding layer (21) is formed and the outermost surface of the surface on which the second light-shielding layer (31) is formed are 2% or less and 4 or more, respectively.

The invention relates to an anti-reflection film for a visible light wave band and a design method and a preparation method thereof. The anti-reflection film comprises a substrate which is white glass; the thin film stack is formed on at least one side of the substrate, the thin film stack is formed by stacking at least seven thin film layers, the thin film layers are selected from a low-refractive-index material and a high-refractive-index material of a visible light wave band, and the thin film stack is integrally formed in a mode that the low-refractive-index material and the high-refractive-index material are alternately combined; wherein the physical thickness sequence of all the thin film layers of the thin film stack is a non-periodic sequence. The reflectivity is less than or equal to 0.5% and the transmittance is more than or equal to 98% in the whole visible light wave band.

A vehicle headlamp (1) is provided with a lamp unit (10) and a control unit (CO), and when another vehicle (200) moves relative to a host vehicle (100), the degree of blur in a blur region (53) is stronger than when the other vehicle (200) does not move relative to the host vehicle (100).

The application discloses a kind of car gauge level dynamic polarization modulation optical systems and methods.Belongs to the technical field of automobile lighting, system includes: light source module is used to emit unpolarized light;Polarization state modulation module is arranged on the light path of light source module, for dynamically modulating unpolarized light into the emergent light with arbitrary target polarization state according to driving voltage, target polarization state includes linearly polarized light, circularly polarized light and elliptically polarized light;Driving circuit is used to provide driving voltage;Environment perception module is used to collect environmental data and vehicle state data in real time;Master module is used to determine target polarization state according to environmental data and vehicle state data, and control driving circuit to output corresponding driving voltage.The application realizes the on-demand dynamic switching of car light beam polarization state, takes into account the glare suppression under bad weather and the road surface mark identification under sunny day, and can be matched with automatic driving sensor, and improves safety.

The purpose of the present invention is to suppress glare to people due to reflection of pattern light from a road surface drawing device on an icy road surface. A road surface drawing device for a vehicle is provided with: a road surface drawing lamp for irradiating pattern light; and a controller for controlling the road surface drawing lamp. The controller determines a plurality of conditions including a first condition, a second condition, and a third condition. The first condition is that the illuminance outside the vehicle is equal to or less than a predetermined illuminance ILth. The second condition is that the outside air temperature of the vehicle is equal to or less than the predetermined temperature Tth. The third condition is that the traction control TRC operates a predetermined number of times N1th or more within the predetermined time t1th, and the lateral slip suppression control ESC operates a predetermined number of times N2th or more within the predetermined time t1th. When the plurality of conditions are satisfied, the controller executes glare reduction control for stopping irradiation of at least a portion of the pattern light, reducing the amount of light, or changing the manner.

Provided is a light-shielding film for obtaining a light-shielding member capable of visually distinguishing the front and back surfaces while suppressing the occurrence of glare and ghosting. (A) is the glossiness with respect to light at an incidence angle of 60 degrees, (B) is the reflectance with respect to light at a wavelength of 550 nm, and (C) is the L value in a CIELAB color system based on the SCE method. In this case, the light-shielding film (100) is a light-shielding film for obtaining a light-shielding member for an optical device, and has at least a first light-shielding layer (21) and a second light-shielding layer (31). The outermost surfaces (A), (B), and (C) of the surfaces on which the first light-shielding layer (21) and the second light-shielding layer (31) are formed are 2% or less, 4.5% or less, and 26 or less, respectively. The difference (C) between the outermost surface of the surface on which the first light-shielding layer (21) is formed and the outermost surface of the surface on which the second light-shielding layer (31) is formed, and the difference in optical density are 4 or more and 0.5 or more and 1.5 or less, respectively.

This invention discloses a vehicle roof lighting system that adaptively adjusts based on driving lighting needs, belonging to the field of vehicle lighting technology. It includes a road condition recognition module, a vehicle status acquisition module, a central control module, a lighting execution module, an anti-glare coordination module, and a human-machine interaction module. The road condition recognition module acquires geological texture features, geometric contour information, and ambient light intensity within a preset range in front of the vehicle, generating a multi-dimensional semantic map. The vehicle status acquisition module monitors the vehicle's dynamic parameters and dynamic pose in real time, performs noise reduction preprocessing on the raw sensor data, and outputs vehicle driving posture parameters. Through a multi-sensor layout, Kalman filtering algorithm, and multi-degree-of-freedom mechanical actuators, it meets the urgent need for high-quality auxiliary lighting for off-road vehicles in complex and dynamic driving environments, significantly improving driver visibility safety. Simultaneously, through intelligent anti-glare coordination logic, it enhances road traffic safety.

The invention discloses a solar shading method, system and device for an intelligent self-adaptive unmanned aerial vehicle remote controller and a medium, and belongs to the technical field of power system maintenance auxiliary equipment.The method comprises the steps that geographical position information and incident illumination intensity of the remote controller in different directions are collected; calculating a geographic elevation angle and a measured elevation angle, and calculating a corrected elevation angle according to the geographic elevation angle and the measured elevation angle; constructing a comprehensive target optimization function, and solving to obtain an optimal control parameter; controlling the angle and transparency of the shading plate according to the target control parameters; according to the method, the orientation of the sun relative to the remote controller is obtained in real time according to the attitude and the illumination sensor, altitude angle fusion correction is carried out, a dynamic weighted optimization model with the shading effect and the charging efficiency as targets is constructed, and the optimal shading plate rotation angle and the electrochromic film transparency are solved; and high-precision cooperative control is realized through a servo motor and voltage driving, so that glare is inhibited under strong light, and the visibility of the screen is guaranteed.

The present invention provides, for example, a molded diffusion laminated film which is excellent in shieldability and designability and which is according to a new design concept. A molded diffusion laminated film 100 of one embodiment of the present invention includes a laminated product including at least a substrate film 11, a molded diffusion layer 21 provided on one surface 11a of the substrate film 11, and a colored layer 31 provided on other surface 11b of the substrate film 11, in which the molded diffusion layer 21 includes at least a first resin binder 22 and a light diffusing particle 23 dispersed in the first resin binder 22, and has a void V in the layer, and the ratio (T / t) of the average thickness T of the molded diffusion layer 21 to the average particle size t of the light diffusing particle 23 is 3.0 or more, and the colored layer 31 includes at least a second resin binder and a colorant dispersed in the second resin binder.

A lighting device for a vehicle includes a light source and a lens. The lens includes a light guide portion provided at a position facing the light source and extending toward the vehicle compartment side, and a main body portion connected to an end portion of the light guide portion on the vehicle compartment side and extending in a direction intersecting the light guide portion. The lens is provided such that the light of the light source is reflected by the side surface of the light guide section and is directed toward the vehicle compartment side, and a portion of the light is reflected by the reflecting surface of the main body section and is guided in the direction in which the main body section extends, so that at least a portion of the main body section functions as a decorative lighting section. In the light guide portion, a corner portion between a side surface serving as a light reflecting surface and another side surface adjacent to the side surface has a rounded shape.

The invention provides a headlight control device which can ensure the visibility of a vehicle and suppress glare to a preceding vehicle even when the vehicle travels on a curved road. A headlight control device for controlling a headlight unit that irradiates light to the front of a host vehicle on the basis of a set light distribution pattern, the headlight control device being provided with: an inter-vehicle distance acquisition unit that acquires the inter-vehicle distance between the host vehicle and a preceding vehicle traveling in front of the host vehicle; and an irradiation control unit that shifts the light irradiation direction of the headlight unit so as to become the traveling direction of the host vehicle when the vehicle travels on a curved road, and that controls the light irradiation direction of the headlight unit so as to be the traveling direction of the host vehicle when the inter-vehicle distance is less than a predetermined distance L1 on the curved road. The irradiation direction in the direction of travel of the host vehicle is shifted in a predetermined direction so as not to face the preceding vehicle.