Abstract: A substrate sheet (20) for a card-type lamp unit (5) includes the card-type lamp unit (5) which has a polygonal substrate body (10) having an outer peripheral side (10b to 10d) and a connector forming side (12), an external connector insertion portion (11) formed on the connector forming side (12), a heat dissipation member (16) integrated with the substrate body (10) and having a linear expansion coefficient different from that of the substrate body (10), and a light emitting element light source (6) connected to a control circuit (13) for light ON/OFF and a frame body (23) integrated with the card-type lamp unit (5) via a coupling end portion (10e) formed on the outer peripheral side of the substrate body (10), in which a coupling end portion (21, 22) for the frame body (23) is provided on the connector forming side (12).

Abstract: A light distribution controller controls a light distribution variable lamp including a plurality of pixels arranged in an array. The processor executes the software program to generate at least one image defining the light distribution of the light distribution variable lamp, and writes the image in the volatile memory. A monitoring microcontroller detects an abnormality of the processor. A hardware logic circuit (i) generates a light distribution image data to be output to the light distribution variable lamp on the basis of at least one image written in the volatile memory in a normal state of the processor, and (ii) generates a light distribution image data on the basis of the generated auxiliary image without depending on the processor in an abnormal state of the processor.

Abstract: A road surface drawing lamp is configured to be mounted on a vehicle. The road surface drawing lamp is configured to draw a sequential light pattern in which an irradiation region changes in a sequential manner in a drawing region set in a surrounding region of the vehicle. The road surface drawing lamp is configured to first form, as the sequential light pattern, a first light pattern which is drawn at least in a part including a tip portion of the drawing region.

Abstract: An input voltage VH of direct current is supplied to an input terminal IN, and an output terminal OUT is connected to a semiconductor light-emitting element 402. A half-bridge circuit 510 includes a high-side transistor MH provided between the input terminal IN and a switching node SW and a low-side transistor ML provided between the switching node SW and a ground terminal GND. A control circuit 530 controls both the high-side transistor MH and the low-side transistor LH to be in an on state during a first period T1 and only the high-side transistor MH to be in the on state during a second period T2 which follows the first period T1, in response to a light emission command S1 of the semiconductor light-emitting element 402.

Abstract: An image generation device for generating an image for a head-up display includes: a first light source; a second light source disposed to be spaced apart from the first light source by a certain distance; a lens that transmits light emitted from the first light source and the second light source; and a display device that forms light that generates the image from the light transmitted through the lens. The lens is constituted by a first region that transmits first light from the first light source, and a second region that transmits second light from the second light source, and a light shield is further provided to prevent the first light from transmitting through the second region and prevent the second light from transmitting through the first region.

Abstract: An image projection apparatus includes a first image irradiation unit, a light guide plate unit, and a diffraction grating unit. The first image irradiation unit is configured to emit first light. The light guide plate unit includes a first light incidence unit, an optical waveguide unit, and a first light emission unit. The first light incidence unit on which the first light is incident. The optical waveguide unit is configured to guide a part of the first light as guided light while totally reflecting the part of the first light. The first light emission unit is configured to emit a part of the guided light in a viewpoint direction. The diffraction grating unit is provided in the first light incidence unit. The first light emission unit includes a beam splitter provided in the optical waveguide unit and a retroreflection unit provided at an end of the optical waveguide unit.

Abstract: A vehicle lamp system includes a first light distribution variable lamp that forms a first light distribution pattern having a first hot zone, a second light distribution variable lamp that forms a second light distribution pattern outside the first light distribution pattern in a width direction of a vehicle, and a light distribution controlling device that controls the first light distribution variable lamp and the second light distribution variable lamp. The light distribution controlling device controls the first light distribution variable lamp and the second light distribution variable lamp so as to swivel the first hot zone within the first light distribution pattern and to form the second light distribution pattern outside the first light distribution pattern where the first hot zone swivels to.

Abstract: A vehicular lamp (100) includes a substrate (24), a light source (22a), a projection lens (30), and a light guidance body (40) having an incident surface (44a). A first space (201) is provided between a first region (441b) and the substrate (24), the first region (441b) including, on the incident surface (44a), a part of an outer peripheral edge of the incident surface (44a), and a second space (203) communicates with the first space (201) and is in contact with a second region (441c) including, on the incident surface (44a), the other part of the outer peripheral edge of the incident surface (44a). A width of the second space (203) is wider than a width of the first space (201) in an emission direction of the light from the light source (22a).

Abstract: An image generation apparatus for generating an image of a head-up display includes a plurality of light sources, an optical member configured to transmit light emitted from the plurality of light sources, and a liquid crystal unit configured to generate a predetermined image by the light emitted from the optical member. The optical member includes an incident surface configured to receive the light emitted from the plurality of light sources, and an emitting surface configured to emit the light received by the incident surface to the liquid crystal unit. The emitting surface is formed by a single curved surface.

Abstract: A vehicle lamp system includes an illuminance variable lamp, a lamp-mounted camera, and a lamp control unit. After acquiring position information of a low accuracy region from a vehicle control unit, the lamp control unit acquires illuminance of the low accuracy region by referring to information acquired by the lamp-mounted camera, controls the illuminance variable lamp so as to increase the illuminance of the low accuracy region if the illuminance of the low accuracy region is less than a threshold, and/or controls the illuminance variable lamp so as to decrease the illuminance of the low accuracy region if the illuminance of the low accuracy region is equal to or greater than the threshold.

Abstract: An array-type light-emitting device includes multiple pixel circuits electrically coupled in parallel and spatially arranged in a matrix. A power supply circuit supplies electric power to the array-type light-emitting device. A DC/DC converter has an output coupled to a power supply terminal of the array-type light-emitting device via a power supply line. A power supply control circuit sets a target value that corresponds to a light distribution pattern, and controls the DC/DC converter such that the control target voltage approaches the target value.

Abstract: An optical system irradiates a controllable irradiation range with emitted light from a semiconductor light source. A light sensor detects reflected light from an object that reflects the emitted light of the optical system. A light distribution controller controls the optical system so that the irradiation range is narrowed in accordance with a decrease in output of the semiconductor light source.

Abstract: A light distribution controlling device generates a processed image by adding a pixel line of a luminance value higher than a predetermined threshold to an end, in a width direction of a vehicle, of an image that is based on a first imaging device; extracts, from the processed image, a processing region that includes a front vehicle; generates an extracted image by subjecting the processing region to an extracting process of extracting a high-luminance pixel with use of the threshold; and sets a shaded portion to overlap the front vehicle based on a pair of high-luminance pixels included in the extracted image and determines a light distribution pattern that includes the shaded portion.

Abstract: A lamp ECU can control an additional lamp. A connector includes a power supply pin that receives battery voltage ECUB from a vehicle, a communication pin connected to a vehicle bus, and an output pin to be connected to an additional lamp. An output node of a power supply circuit is connected to the output pin and outputs power supply voltage from the output node in an enabled state. In a first mode, a first controller controls the enabled and disabled states of the power supply circuit according to a turn-on/off instruction for the additional lamp received via the vehicle bus. In a second mode, a second controller controls an output interface circuit according to the turn-on/off instruction.

Abstract: A controller pulse width modulation (PWM) controls multiple light-emitting pixels arranged in an array that form a variable light distribution lamp. A common counter is provided in common for the multiple light-emitting pixels, and generates a common count value having a ramp waveform. A signal processing unit generates multiple duty cycle instruction values for specifying the duty cycles of the multiple light-emitting pixels according to a light distribution instruction. Furthermore, the signal processing unit stores multiple offset values that correspond to the multiple light-emitting pixels, generates an individual count value for each light-emitting pixel by adding the corresponding offset value to the common count value, and generates individual PWM signals pwm1 through pwmn that correspond to results of comparison between the individual count values and the corresponding duty cycle instruction values.

Abstract: A vehicle lamp provided in a vehicle that travels at a corner by tilting a vehicle body includes: a light source unit; a sensor configured to detect information on outside of the vehicle; and a housing that houses the light source unit and the sensor. The vehicle lamp is disposed at a central portion of the vehicle body in a left-right direction, and wherein the sensor is disposed in the housing at a central portion in the left-right direction.

Abstract: An image projecting device for emitting a projection image on a display unit configured to display a virtual image. The image projecting device includes an image irradiation unit configured to emit an image, a light branching unit configured to branch light for emitting the image into at least first image light and second image light, a first optical unit configured to emit, as the projection image, the first image light in a viewpoint direction, via the display unit, and a second optical unit configured to emit the second image light in the viewpoint direction, without passing through the display unit.

Abstract: An illumination device irradiates a field of view with pulsed illumination light. In a multi-tap type image sensor, one pixel has a plurality of FD (floating diffusion) regions. A camera controller controls a light emission timing of the illumination device and an exposure timing of the image sensor. A pulse exposure region, which is one of the plurality of FD regions, is allocated to generation of a slice image, and a continuous exposure region, which is another one of the plurality of FD regions, is allocated to generation of a normal image. The image sensor generates the slice image by performing multiple exposure of reflected light of the pulsed illumination light from the field of view using the pulse exposure region, and generates the normal image by performing exposure using the continuous exposure region in a section where the pulse exposure region is not used.

Abstract: A microlens array includes a plurality of optical systems. Each of the optical systems includes a pair of an incidence-side lens portion and an emission-side lens portion, respectively. A low refractive index portion is provided between an incident surface of the incidence-side lens portion and an emission surface of the emission-side lens portion. A refractive index of the low refractive index portion is lower than refractive indexes of other portions. The low refractive index portion comprises a first surface extending through a focus of the emission surface and a second surface extending from the first surface toward the incident surface. A cut line forming portion is formed by a boundary portion between the first surface and the second surface. The incident surface is provided at a position that does not overlap the second surface in a front view of the incidence-side lens portion.

Abstract: A lamp unit including a light emitting element, a lighting circuit, a substrate, and a heat dissipation member. The substrate includes a substrate main body, an external connector insertion portion, and a light emitting element installation portion, the heat dissipation member being provided in the substrate main body. The lighting circuit is mounted on the substrate main body, the lighting circuit being electrically connected with the light emitting element. The light emitting element is mounted on the substrate main body via the light emitting element installation portion, in a state of being in contact with the heat dissipation member.