F21S41/645

Hybrid backup light with integrated warning light
11485279 · 2022-11-01 ·

Various embodiments of the present invention provide a hybrid backup lamp having a backup light and a laser or LED warning light integrated therewith.

Method of addressing an LED array with light intensity adaptive LED sidewalls

A first pixel with a first pixel sidewall is disclosed. A second pixel with a second pixel sidewall facing the first pixel sidewall is also disclosed. A first dynamic optical isolation material between the first pixel sidewall and the second pixel sidewall and configured to change an optical state based on a state trigger such that a light behavior at the first pixel sidewall for a light emitted by one of the first pixel and the second pixel is determined by the optical state, is also disclosed.

LIGHT CONTROL SYSTEM WITH HEXAGONAL-SHAPED TUNABLE OPTICS
20230085757 · 2023-03-23 · ·

A tunable optic includes a hexagonal-shaped housing, a polar liquid, a first electrode, a second electrode, a third electrode, a fourth electrode, a fifth electrode, a sixth electrode, and a grounding electrode. The hexagonal-shaped housing includes first, second, third, fourth, fifth, and sixth side walls and first and second light transmissive end walls, and the first, second, third, fourth, fifth and sixth side walls and the first and second light transmissive end walls define a hexagonal-shaped inner cavity. The polar liquid is disposed within the hexagonal-shaped inner cavity. The polar liquid has a surface, and the surface has a curvature and a two-dimensional tilt angle that is variable in response to voltages supplied to each of the first, second, third, fourth, fifth, and sixth electrodes, whereby lens characteristics and light deflection characteristics of the tunable optic are varied.

VEHICLE LIGHTING SYSTEM
20220341559 · 2022-10-27 · ·

To reduce uneven brightness of light irradiated from a vehicle lighting system. The system includes a lamp unit and a control unit where the lamp unit includes: a light source that emits light; a liquid crystal element using the light emitted from the light source to form irradiation light; and a lens projecting the irradiation light; where the light from the light source enters the element at an angle including a direction inclined from the normal of a light incident surface of the element; where the light incident surface has a first region in which most light enters from a viewing direction of the element and a second region in which most light enters from other directions, and where the control unit drives the element by setting a first voltage of the first region to be low and setting a second voltage of the second region to be high.

Segmented switchable mirror lamp assembly

A segmented switchable mirror vehicle headlamp includes a light source, a switchable electrochemical film having a plurality of segments, and a controller electrically coupled with each segment of the plurality of segments, such that each segment of the plurality of segments is individually controllable for switching between a substantially transparent state and a substantially reflective state. The plurality of segments include a low-beam array of segments configured for providing a low-beam light distribution from the light source, and a high-beam array of segments configured for providing a high-beam light distribution from the light source. The controller is configured for switching the low-beam array of segments and the high-beam array of segments between the substantially transparent state and the substantially reflective state for controlling the low-beam light distribution and the high-beam light distribution, respectively.

ADAPTIVE VEHICLE HEADLIGHT
20230085528 · 2023-03-16 · ·

Example vehicle includes a first headlight and a second headlight. The second headlight includes a laser configured to produce first light and an illumination source configured to produce second light. The second headlight also includes a spatial light modulator (SLM) optically coupled to the illumination source and a controller coupled to the SLM. The controller is configured to control the SLM to direct a reflection of the first light during a first operating mode and control the SLM to direct the second light during a second operating mode.

DYNAMIC PROJECTION SYSTEM SUITABLE FOR AUTOMOBILE

Provided is a dynamic projection system suitable for an automobile. The system includes a light source, a collimating lens, a first microlens array, an LCD projection source and a second microlens array, wherein the dynamic projection system further comprises a polarization grating used for separating P-polarized light and S-polarized light, and a wave plate array. The wave plate array includes a plurality of ½ wave plates arranged at intervals. The polarization grating is arranged in front of the first microlens array and the second microlens array, the ½ wave plates and the LCD projection source are arranged between the first microlens array and the second microlens array, and the ½ wave plates are arranged in front of the LCD projection source to play a role in converting one of the P-polarized light and the S-polarized light into the other one of the P-polarized light and the S-polarized light.

Light control system with cube-shaped, two-dimensional tunable prisms
11635612 · 2023-04-25 · ·

A light control system includes a housing, a controllable power source, a light source, and a plurality of cube-shaped tunable prisms. The controllable power source supplies at least four variable voltages. The light source is operable to emit a light beam. The cube-shaped tunable prisms are arranged in a manner so there are no gaps between adjacent tunable prisms. Each tunable prism receives a portion of the emitted light beam, each has a tunable deflection angle that is variable in two dimensions, and each is configured to optically steer the emitted light beam in the two dimensions based on the tunable deflection angle. Each tunable prism is further coupled to receive the four variable voltages. Each tunable prism comprises a liquid that varies the tunable deflection angle in two dimensions in response to the four variable voltages supplied thereto, to thereby deflect the light beam.

MOTOR VEHICLE LIGHT MODULE COMPRISING AN ELECTROCHROMIC DEVICE

A light module of a motor vehicle lighting device. The light module includes a light source intended to perform at least one photometric function, and an electrochromic device including at least one portion arranged downstream of the light source and capable of optionally having a diffusing appearance or a transparent appearance. A controller is arranged to receive an emission instruction from the photometric function and to control, in accordance with the instruction, the emission of light by the light source and the appearance of the electrochromic device.

Lamp for vehicle and vehicle including the same
11644173 · 2023-05-09 · ·

Disclosed in a lamp for a vehicle, the lamp including a light source configured to emit light, and a pattern conversion unit disposed forward of the light source and configured to form two or more types of light distribution patterns by receiving the light emitted from the light source, in which the pattern conversion unit includes a light-transmitting member disposed to face the light source and configured to transmit the light emitted from the light source, and a polymer dispersed liquid crystal (PDLC) member provided to be in close contact with one surface of the light-transmitting member.