39results about "Dazzle prevention" patented technology

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.

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 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 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).

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

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

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 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.

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.

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.

To provide a passenger compartment interior lighting system which can create a certain effect in a space of a passenger compartment while maintaining a safe operation environment.SOLUTION: A passenger compartment interior lighting system 1 includes a lighting device 3 which radiates light for lighting a ceiling 10 in a passenger compartment 2a. The lighting device 3 has, as an outer surface of the lighting device 3, a light emission surface 3a from which light is emitted. The light emission surface 3a is not visible by an occupant seated on a seat 60 in the passenger compartment 2a.SELECTED DRAWING: Figure 3

A light leakage prevention apparatus for a vehicle, and a method therefor are provided. The apparatus includes a printed circuit board (PCB) including two or more light sources, a light leakage prevention member that shields interference between the two or more light sources, a housing including a receiving space for receiving the light leakage prevention member, and a cover coupled to an upper end of the housing. The light leakage prevention member is a product composed of two types of colors or two types of molding materials in one mold, and the product is a heterogeneous material.

The present invention relates to a vehicle occupant detection device, comprising at least one infrared light source (1), a camera (2), and a computing unit (3) for controlling the infrared light source (1) and evaluating the camera image generated by the camera (2), wherein the infrared light source (1) and the camera (2) are directed toward an observation area (4), the infrared light source (1) is configured to illuminate at least one facial area of ​​a person (5) in the observation area (4), the camera (2) is configured to detect at least the illuminated facial area, and the computing unit (3) is configured to recognize the gaze direction of the person (5) in the camera image. The vehicle occupant detection device according to the present invention is characterized in that the infrared light source (1) is incorporated into a display device (6) and formed by a plurality of infrared light-emitting elements (7) arranged in a matrix, the computing unit (3) is further configured to activate IR light-emitting elements (7) selected to emit infrared light, and the computing unit (3) determines which IR light-emitting elements (7) to be activated according to the evaluation result of the camera image.

A transparent roof assembly for a vehicle roof (1) comprises a panel (2) with a transparent area (25), a light source (21, 22) arranged to provide light into the panel (2) and an out-coupling pattern (20) arranged on the surface of the transparent area of the panel (2). The out-coupling pattern (20) comprises dots (23) of a light-redirecting material for out-coupling of light introduced into the panel (2) and propagating in the panel (2), wherein the dots (23) each have a representative diameter of 150 microns or less, preferably 80 microns or less and wherein a total dot surface area of the dots of the out-coupling pattern is smaller than 10% of a total surface area of the transparent area (25). Thus, the transparent area appears transparent during daytime looking from an interior of the vehicle to an exterior of the vehicle, while sufficient light is provided into the interior when the light source is switched on.

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 surveillance system utilizing different light spectra is provided. A surveillance system includes an imaging device. The imaging device includes a first exposure profile and a second exposure profile. An illumination source is configured to emit at least one of infrared (IR) or near-infrared (NIR) illumination. A control system is configured to alternate between the first exposure profile and the second exposure profile according to a first pattern. The first exposure profile corresponds to illumination emitted from the illumination source, and the second exposure profile corresponds to ambient illumination.

A vehicle interior lighting system (1) comprises: at least one lighting device (3) that is installed in a vehicle cabin (2a) and emits illumination light; and a control unit (4) that implements dimming control of the at least one lighting device (3) when the vehicle is traveling. The at least one lighting device (3) includes at least one first lighting device configured such that a light emission unit is not visible to any occupant. The control unit (4) implements dimming control of the at least one lighting device (3) on the basis of the brightness outside the vehicle.

To provide an automobile etc. which can prevent occupants from feeling glare.SOLUTION: An automobile 1 which is one example of a movable body includes: a vehicle 2; and a lighting device 3 installed in a passenger compartment 2a of the vehicle 2. The lighting device 3 includes: a light source 100; a lens 200 configured to control light distribution of light emitted from the light source 100; a housing 300 which includes the lens 200 and has an opening 310 through which light emitted from the lens 200 passes; and a light attenuation part 400 which attenuates light emitted from the light device 3 toward faces of occupants in the passenger compartment 2a.SELECTED DRAWING: Figure 1

A vehicle interior illumination system (1) is provided with an illumination device (3) that emits light that illuminates a ceiling (10) in a cabin (2a). The illumination device (3) has a light emission surface (3a) which serves as an outer surface of the illumination device (3) and from which light is emitted. The light emission surface (3a) is not visible to an occupant seated in a seat (60) inside the cabin (2a).

The invention relates to a method for reducing reflections and preventing glare on the display surface (A) of a display unit (4) and / or the windshield (5) and / or a side window (10) in a vehicle (1) by means of a controllable lighting unit (6). According to the invention, light is emitted by means of the lighting unit (6) and, by means of the emitted light, overlapping shadow areas are generated on the display surface (A) and / or the windshield (5) and / or the side window (10), wherein the emitted light is directed depending on the detected viewing direction of a driver (2) of the vehicle (1).

The invention relates to a motor vehicle (10) and to a method for reducing dry eye in a motor vehicle (10). The method comprises the following steps: acquiring an eye image by means of a sensor device (12) of the motor vehicle (10); determining whether a symptom of xerophthalmia exists or not according to the eye image; and adjusting one or more light parameters of at least one light source (16, 18, 20) of the motor vehicle (10) in the presence of a symptom of the dry eye in order to alleviate the dry eye.

Image display system (1), comprising: - a transparent cover lens (9) defining a display area (5) and a peripheral area (7) extending at least partially around the display area; - a display device (13) positioned opposite the display area (5), comprising a front surface facing the cover lens and a rear surface opposite the front surface; and - a first reflector layer (15) facing the rear side of the display device (13), extending opposite the display area (5) and at least partially opposite the edge area (7); characterized in that the image display system (1) comprises a front light layer (11) arranged between the lens (9) and the display device (13), extending opposite the display area (5) and at least partially covering the edge area (7).

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.

To provide a motor vehicle cabin sensing system.SOLUTION: The disclosure relates to a motor vehicle cabin sensing system. The system comprises an image sensor, an illumination source, and an illumination lens array. The image sensor is operable to capture one or more images, and has a field of view of a motor vehicle cabin. Preferably, the image sensor is operable to capture images in a near-infrared wavelength. The illumination source is operable to transmit light rays towards the motor vehicle cabin. The illumination lens array is operable to diffuse the light rays emitted from the illumination source to one or more photoreceptor cells of a retina, so that the radiant intensity of a red glow effect detected by the retina is reduced by a factor of 10 to 100 from or reduced to 0% to 50% of the radiant intensity of the illumination source.SELECTED DRAWING: Figure 1

This invention relates to a privacy screen in a motor vehicle, comprising a passenger-side display with a switchable privacy screen mechanism that, in a predetermined operating state, is switched on to prevent the content displayed on the passenger-side display from being seen from the driver's seat area. According to the invention, the privacy screen includes a light-emitting mechanism, controlled by a control unit, aligned with the passenger-side display, which illuminates the passenger-side display from the outside to block any remaining dynamic footage that is still visible from the driver's seat position even when the privacy screen mechanism is switched on.

According to the present invention, an automobile (1), which is an example of a mobile vehicle, comprises: a body (2); and a lighting device (3) installed in the interior (2a) of the body (2). The lighting device (3) has: a light source (100); a lens (200) that controls light distribution of light emitted from the light source (100); a housing (300) that includes the lens (200) and has an opening (310) through which light emitted from the lens (200) passes; and an optical attenuation unit (400) that attenuates light from the lighting device (3) toward the face of an occupant of the interior (2a) of the vehicle.