65results about "Dazzle prevention" patented technology

The disclosure relates to a method for automatically adjusting brightness levels of a plurality of light sources mounted in a vehicle. The method includes detecting a first eye attribute value and a second eye attribute value of the user of the vehicle. The first eye attribute is a color of the user's iris, and the second eye attribute is a color of the user's sclera. The method includes determining that the user is photosensitive based on at least the second eye attribute value and evaluating a first brightness level for the plurality of light sources based on the first eye attribute value and the second eye attribute value. The method further includes setting a current brightness level of the plurality of light sources to the first brightness level.

The invention relates to the technical field of vehicle interior light control, in particular to a vehicle interior light intelligent control device and a control method thereof.The control method includes the following steps that firstly, a front face image of a driver is collected through an in-vehicle camera, and working condition signals of the vehicle speed, steering lamps and the vehicle door state are obtained through a vehicle-mounted CAN bus; and 2, identifying a distraction action sequence of a driver by using a target detection model based on a target detection algorithm, and calculating an index of a fatigue state PERCLOS and an average eye closing duration # imgabs0 # in continuously acquired N frames of images. In the invention, based on image information acquired by a camera in a vehicle and a CAN bus working condition signal, the target detection algorithm and the fatigue identification index are fused, so that the driver distraction action sequence is identified, and the driver distraction action sequence is identified. Real-time identification of distraction and fatigue states of the driver is realized; when the state of a driver is abnormal, gradual prompting or warning can be rapidly carried out through lamplight, and the initiative, safety and comfort of man-machine interaction in a vehicle are effectively improved.

To provide a lighting device allowing for easily discriminating lighting states.SOLUTION: A lighting device according to an embodiment comprises: a plurality of light sources; a plurality of light distribution lenses each provided on each of the light sources; a light guide body configured to guide a part of light from the respective light distribution lenses emit a part of light which comes from the respective light distribution lenses, while emitting, from a first emission surface, a part of the light which comes from the respective light distribution lenses, wherein the first emission surface includes at least a part of a surface facing the light distribution lens in a second surface opposite to a first surface where the respective light distribution lenses are disposed separatedly from each other; and a plurality of natural lighting parts each one of which is provided on each one of the light distribution lenses, and which is configured to take in the light guided through the light guide body, and emit the light from a second emission surface.SELECTED DRAWING: Figure 1

A cabin illumination device is provided on a wall surface of a cabin of a vehicle and illuminates the cabin and includes: a light source disposed to emit light away from the wall surface; and a reflective member disposed to intersect a light axis of light emitted by the light source. The reflective member includes a first protruded surface disposed to intersect the light axis of the light source, and a portion of the reflective member is sloped downward in a direction away from an intersection of the light axis and the first protruded surface.

A system and method for adjusting brightness levels within a vehicle includes providing destination brightness data, external brightness data, and internal brightness data to a processing system. Processing, in a processing system, at least the destination data, the external brightness data, and the internal brightness data to: calculate an estimated time of arrival (ETA) for the vehicle to reach a predetermined task destination location; comparing the calculated ETA with a maximum visual adaptation time; and selectively implementing a first brightness level adjustment process for adjusting an interior brightness level within the vehicle or a second brightness level adjustment process for adjusting an interior brightness level within the vehicle based on a comparison of the calculated ETA to a maximum visual adaptation time.

A system and method for adjusting brightness level within a vehicle includes supplying, to a processing system, destination brightness data, exterior brightness data, and interior brightness data. At least the destination data, the exterior brightness data, and the interior brightness data are processed in the processing system to: compute an estimated time of arrival (ETA) for the vehicle to arrive at a predetermined mission destination location, compare the computed ETA to a maximum sight adaptation time, and based on the comparison of the computed ETA and the maximum sight adaptation time, selectively implement a first brightness level adjustment process for adjusting the interior brightness level within the vehicle or a second brightness level adjustment process for adjusting the interior brightness level within the vehicle.

The invention relates to a method for setting lighting conditions in a vehicle (10). In this case, a lighting setpoint value (BS) of a controller (14) in an interior (16) of the vehicle (10) is predefined. Light is then output by at least one light source (18) depending on the predefined lighting setpoint value (BS). A current lighting value (BW) in the interior (16) is furthermore recorded by way of a recording apparatus (20). The current lighting value (BW) is furthermore set to the predefined lighting setpoint value (BS) when a deviation of the current lighting value (BW) from the predefined lighting setpoint value (BS) is recorded. An ambient light value in an environment (24) of the vehicle (10) is then recorded by way of a further recording apparatus (22), wherein the ambient light value comprises a light colour (K) of the ambient light. Finally, the current lighting value (BW) is set such that a light colour (K) of the output light in the interior (16) of the vehicle (10) is matched to the light colour (K) recorded in the environment (24) of the vehicle (10). (Fig. 1)

The invention relates to a shaped part comprising a decorative layer with a front side and a rear side, a light-guiding element comprising a main body and one or more light guides protruding from a front side of the main body, wherein the main body is arranged with its front side on the rear side of the decorative layer and the light guide(s) completely penetrate / s the decorative layer, and one or more light elements arranged in and / or on the light-guiding element, wherein light emanating from the light elements is guided via the light guide(s) to the front side of the decorative layer. A light-shielding layer is arranged between the surface of the light guide(s) and the decorative layer, in particular a light-shielding element, wherein the light-shielding layer has an interruption, through which light can escape, on the front side of the decorative layer on each light guide. The invention also relates to methods for producing a shaped part that comprise, as a method step, pressing the light-shielding element and / or the light guides of the light-guiding element into a decorative material to form the decorative layer.

The invention relates to a method for reducing glare experienced by a driver of a vehicle due to light sources located outside the vehicle, wherein the driver's glare is determined based on the measured pupil diameter of each driver's eye. According to the invention, the glare is reduced by a pupillary light reflex of the driver's eye initiated based on light emitted from an activated lighting unit in the vehicle.

A vehicle interior illumination device (1) for illuminating a vehicle interior, the vehicle interior illumination device (1) being attached to a wall surface (3) of the vehicle interior, the vehicle interior illumination device (1) being provided with: a light source (21) disposed so as to emit light in the direction opposite the wall surface (3) side; and a reflective member (40) disposed so as to intersect the optical axis of the light emitted from the light source (21), in which the reflective member (40) has a first convex surface (141) disposed so as to intersect the optical axis of the light source (21), and in which the reflective member (40) is inclined downward in a direction away from the point of intersection of the optical axis and the first convex surface (141).

The invention relates to a molded part (10) comprising a decorative layer (11) with a front (12) and a back (13), a light-conducting element (15) comprising a main body (16) and one or more light guides (19) projecting from a front (17) of the main body (16), wherein the main body (16) is arranged with its front (17) on the back (13) of the decorative layer (11) and the light guide(s) (19) completely penetrate the decorative layer (11), and one or more light elements (21) arranged in and / or on the light-conducting element (15), wherein light emanating from the light elements (21) is guided via the light guide(s) (19) to the front (12) of the decorative layer (11).A light-blocking layer (22), in particular a light-blocking element (22), is arranged between the surface (20) of the light guide(s) (19) and the decorative layer (11), wherein the light-blocking layer (22) has an opening (23) on the front side (12) of the decorative layer (11) at each light guide (19) through which light can escape. The invention further relates to methods for producing a molded part (10) which, as a process step, include pressing the light-blocking element (22) and / or the light guides (19) of the light-conducting element (15) into a decorative material (11a) to form the decorative layer (11).

An imaging system comprising: an illumination source configured to illuminate at least a portion of a vehicle interior; a camera configured to capture one or more images of the portion of the vehicle interior; and a controller in communication with the illumination source and the camera, the controller configured to: receive the one or more images; identify glare associated with an occupant in the vehicle interior in the one or more images; and generate and communicate a signal to adjust the illumination source to limit the glare.

A transparent luminescent sheet and a lamp apparatus using the same are disclosed. The transparent luminescent sheet realizes a lamp function through emission of light from a sheet thereof configured to be transparent and secures a desired luminous efficacy and a desired freedom of design. In the transparent luminescent sheet, transparency is enhanced in a turn-off state and, as such, visibility is secured at the inside and the outside. A lit image is realized through light during a light emission operation. In addition, light emitted toward the inside is shielded or reduced, thereby preventing indoor dazzling.

Device for improving night vision of vehicle drivers comprising a controlled reduction of the driver's pupil diameter and the maintenance of said reduction over time in order to improve the visual capability of the vehicle driver, all of this, moreover, adapted to the pupil dynamics of the vehicle driver. It comprises a vehicle interior part comprising a carrier, a lighting device configured to emit pulsed light according to a sinusoidal wave emission varying in regular periods between 10 s and 30 s and a control means; a switching means and a user profile adjusting means.

To provide a lighting control device for a vehicle for enabling a driver to easily and visually recognize display content of a display device at an early stage in the case that the inside of a car suddenly becomes bright.SOLUTION: A display device for displaying information is provided in the inside of a vehicle. A control part shortens a time until starting to change the brightness of the display device from low brightness to high brightness more than a time until starting to shift a headlight from a turned-on state to a turned-off state (steps S6, S7) in the case that surrounding of the vehicle shifts from a dark state to a bright state (step S3). The control part sets a time until starting to change the brightness of the display device from low brightness to high brightness based on a vehicle speed in the case of shifting the surrounding of the vehicle from a dark state to a bright state. Higher the vehicle speed is, the control part shortens the time until starting to change the brightness of the display device from the low brightness to the high brightness in the case of shifting the surrounding of the vehicle from the dark state to the bright state.SELECTED DRAWING: Figure 2

The invention provides an intelligent light environment detection and adjustment system and method for a high-speed train. The system comprises an optical illumination module, a light imaging camera module, a data processing module, a photochromic glass control module and an in-train illumination adjustment module. A dual detection scheme of combining illumination detection outside a car window and illumination detection in a carriage is introduced, comprehensive perception of light environments inside and outside the carriage is ensured, dynamic calculation and real-time feedback are performed on glare in the visual field of passengers through a specific algorithm, and the glare problem can be accurately detected and quickly responded; intelligent adjustment of the photochromic glass and dynamic adjustment of illumination in a vehicle can be achieved at the same time, external illumination changes can be automatically dealt with, the direct influence of strong light on the interior of a compartment is reduced, it is ensured that the light environment in the compartment is uniform and soft, and visual fatigue is reduced. Therefore, light environment management in the compartment of the high-speed train can be effectively improved, the influence of glare on passengers and drivers is reduced, and the running safety and comfort are improved.

A vehicular cabin monitoring system includes a camera disposed within a cabin of a vehicle. Image data captured by the camera is transferred to and is processed at an electronic control unit (ECU). A light emitter that, when electrically operated to emit nonvisible light, illuminates at least a portion of the interior cabin that is viewed by the camera with nonvisible light. The vehicular cabin monitoring system, via processing at the ECU of image data captured by the camera and transferred to the ECU, determines illuminance of nonvisible light at a region of interest within the illuminated portion of the interior cabin that is viewed by the camera. The vehicular cabin monitoring system, responsive to determining that the illuminance of nonvisible light at the region of interest is greater than a threshold illuminance, reduces intensity of nonvisible light emitted by the light emitter.

To prevent visibility of an operator due to non-seeing from being deteriorated sufficiently.SOLUTION: A display device comprises a display board 21 which is provided with a display mark with light transmissivity and a light source 26 which is disposed on a rear surface side of the display board 21 and emits outgoing beam for lighting toward the display mark, and is provided with a visual field angle characteristic correction member 23 which corrects visual field angle characteristic of transmitted beam by restraining transparency of slanted incident light on the light source 26 side of the display board 21. In addition, it is provide with a linear polarization board 22 which restricts the outgoing beam to a P wave component in a front glass direction of a vehicle at which the display device is arranged, between the display board 21 and the visual field angle characteristic correction member 23.SELECTED DRAWING: Figure 3

To provide a vehicle interior lighting device capable of achieving suppression of increase in size and suppression of increase in manufacturing cost.SOLUTION: A vehicle interior lighting device 1 is a vehicle interior lighting device 1 which is mounted on a wall surface 3 of a vehicle interior to illuminate the vehicle interior, and includes a light source 21 disposed to emit light toward a direction opposite to the wall surface 3 side, and a reflection member 40 disposed to intersect with an optical axis of the light emitted by the light source 21, where the reflection member 40 has a first convex surface 141 disposed to intersect with an optical axis of the light source 21, and the reflection member 40 is inclined downward in a direction away from an intersection point between the optical axis and the first convex surface 141.SELECTED DRAWING: Figure 3

The invention discloses a structure for preventing dazzling caused by light reflection, and relates to the technical field of automobile handles, the structure comprises a handlebar assembly, the top of the handlebar assembly is provided with an adjusting assembly used for adjusting light at a handle, and the inner wall of the handlebar assembly is provided with a light adjusting assembly used for changing light intensity. The handlebar assembly comprises a shell used for being fixed to a vehicle door, and a mounting base used for fixing the anti-dazzling structure is fixedly embedded in the middle of the front surface of the shell. According to the structure capable of avoiding dazzling caused by lamplight reflection, the intensity of external environment light can be sensed in real time through the environment light sensor, the contact electrode can transmit an electric field to the dimming cover and the connecting block, the dimming cover and the connecting block are made of an electrochromic material tungsten oxide, when the electric field is applied to the dimming cover and the connecting block, color changes, and in a strong light environment, the dimming cover and the connecting block can emit light in a dark environment. The dimming cover and the connecting block correspondingly reduce the light reflection degree, and the dazzling condition caused by light reflection can be avoided.

Device (10) for improving night vision of vehicle drivers comprising a controlled reduction of the driver's pupil diameter and the maintenance of said reduction over time in order to improve the visual capability of the vehicle driver, all of this, moreover, adapted to the pupil dynamics of the vehicle driver (D). It comprises a vehicle interior part (1) comprising a carrier (1.1), a lighting device (1.2) configured to emit pulsed light with an irradiance at an ocular plane of the vehicle driver following a sinusoidal wave varying in regular periods between 10s and 30s, a control means (1.3), a switching means (1.4) and a user profile adjusting means (2).

The invention relates to a molded part and a method of manufacturing a molded part. The molded part (10) comprises: a decorative layer (11) having a front side (12) and a rear side (13); a light guide element (15) comprising a body (16) and one or more light conductors (19) protruding on a front face (17) of the body, where the front face of the body is arranged at the back face of the decorative layer and the light conductors completely penetrate the decorative layer; and one or more light elements (21) arranged in and / or at the light guide element, light emitted from the light elements being guided to the front face of the decorative layer via the light conductor. A light-shielding layer (22), in particular a light-shielding element, is arranged between the surface (20) of the light conductor and the decorative layer, the light-shielding layer having an interruption (23) at each light conductor on the front side of the decorative layer, through which light can escape. The method step of manufacturing the molded part comprises pressing the light conductor of the light-shielding element and / or the light-guiding element into the decorative material (11a) to form the decorative layer.

The present document describes a control unit for a vehicle (100), wherein the control unit is configured to predict a blinding situation of the driver of the vehicle (100), which is caused by light emitted by an upcoming object, in particular by an oncoming vehicle (210). Furthermore, the control unit is configured to adapt the illumination within the vicinity of the driver position of the vehicle (100) in preparation of the predicted blinding situation.

Device (10) for improving night vision of vehicle drivers comprising a controlled reduction of the driver's pupil diameter and the maintenance of said reduction over time in order to improve the visual capability of the vehicle driver, all of this, moreover, adapted to the pupil dynamics of the vehicle driver (D). It comprises a vehicle interior part (1) comprising a carrier (1.1), a lighting device (1.2) configured to emit pulsed light with an irradiance at an ocular plane of the vehicle driver following a sinusoidal wave varying in regular periods between 10s and 30s, a control means (1.3), a switching means (1.4) and a user profile adjusting means (2).

The invention relates to a motor vehicle (10) and a method for reducing dry eyes in a motor vehicle (10). The method comprises the following steps: capturing images of the eyes by a sensor device (12) of the motor vehicle (10); determining from the images whether there are signs of dry eyes; and adjusting one or more light parameters of at least one light source (16, 18, 20) of the motor vehicle (10) to reduce dry eyes if such signs are present.

This invention provides an intelligent light environment detection and adjustment system and method for high-speed trains. The system includes an optical illuminance module, a light imaging camera module, a data processing module, a photochromic glass control module, and an interior lighting adjustment module. It introduces a dual detection scheme combining external light detection through the windows and internal light detection within the carriage, ensuring comprehensive perception of the light environment inside and outside the carriage. Through a specific algorithm, it dynamically calculates and provides real-time feedback on glare in the passenger's field of vision, enabling accurate detection and rapid response to glare issues. Simultaneously, it can achieve intelligent adjustment of the photochromic glass and dynamic adjustment of the interior lighting, automatically responding to changes in external light, reducing the direct impact of strong light on the carriage interior, ensuring a uniform and soft light environment, and reducing visual fatigue. Therefore, it can effectively improve the management of the light environment inside high-speed train carriages, reduce the impact of glare on passengers and drivers, and improve operational safety and comfort.

According to the seat assembly of the vehicle and the vehicle, a light source is installed on a seat, a light outlet faces a vehicle ceiling, emergent light of the light source is firstly projected to the vehicle ceiling, is reflected by the vehicle ceiling and then is scattered to the inner space of a cabin, the effect of lighting the inner space of the cabin is achieved, light is softer in the mode, and the effect is better. The light-emitting unit is arranged on the seat, the fatigue degree of a driver can be relieved, the dazzling risk caused by the fact that passengers or the driver directly look at the light-emitting face can be avoided, the light-emitting unit is located on the seat and is convenient to install, and in addition, the mode of indirect illumination through reflected light can be combined with the arrangement of a car roof, and the high-grade feeling and the warm and sweet feeling of a house can be achieved.

This vehicle interior lighting system provides a way to create a pleasant atmosphere inside the vehicle while driving, even during the daytime, while maintaining a safe driving environment. [Solution] The vehicle interior lighting system 1 is installed in the vehicle's interior 2a and comprises at least one lighting device 3 that emits illumination light, and a control unit 4 that controls the dimming of at least one lighting device 3 when the vehicle is in motion. At least one lighting device 3 includes at least one first lighting device, each configured so that the light-emitting part is not visible to the occupants, and the control unit 4 controls the dimming of at least one lighting device 3 based on the brightness outside the vehicle.