F21V5/00

Light sensing module and electronic device using the same

A light sensing module and an electronic device using the same are provided. The light sensing module includes a substrate, a light sensing unit, a first light-transmissive component and a blocking wall. The light sensing unit is disposed on the substrate to sense an intensity of a working light beam. The first light-transmissive component covers the light sensing unit, and has a first refractive index that is between a refractive index of the light sensing unit and a refractive index of air. The blocking wall is disposed on the substrate, and surrounds the light sensing unit and the first light-transmissive component.

Lens, light emitting device and method of manufacturing the lens and the light emitting device

A lens includes a cover part and a light-shielding part. The cover part includes a lens part, a connection part, and a plurality of flange parts, formed with a thermosetting first resin and continuous to one another. The light-shielding part covers lateral end surfaces and an upper surface of each of the flange parts and outer lateral sides of the connection part and formed with a thermosetting second resin having a greater light-absorptance or a greater light-reflectance than the thermosetting first resin.

LED LUMINAIRE WITH A CAVITY AND FINNED INTERIOR

An optical member includes a curved portion comprising an optically transmissive material. The enclosure has an outer surface and an inner surface opposite the outer surface. At least one light redirection feature protrudes from the inner surface. At least one indentation defined on the outer surface is configured to refract light.

Light source device
11649945 · 2023-05-16 · ·

A light source device includes a plurality of light emitting parts, a first lens, and an optical lens. Each light emitting part is configured to emit light from the light emitting surface at a first full-width half-maximum and is configured to be individually turned on. The optical lens has a first surface including incident regions and a second surface including emission regions. A minimum distance between the first surface of the optical lens and the first lens is 0.1 mm or more and 1.0 mm or less. A light emitted from each of the light emitting parts enters the optical lens through the first lens, the light being emitted from the first lens at a second full-width half-maximum smaller than the first full-width half-maximum, such that lights emitted from two or more of the light emitting parts are irradiated to two or more corresponding irradiation regions.

Lighting device

The purpose of the present invention is to realize a lighting device of small light distribution angle and less leakage light and further to realize a lighting device in which the light beam is easy to control. The following is an example of the structure to meet the above purpose. A lighting device including: a light guide; LEDs set at a side surface of the light guide; a prism sheet set on a major surface of the light guide, in which a first louver which extends in a first direction and, a second louver which extends in an orthogonal direction to the first direction are superposed on the prism sheet.

Light emitting device
11644179 · 2023-05-09 · ·

A light emitting device includes: a lens member having at least one lens surface; a submount; and a plurality of light emitting elements arranged in a row on an upper face of the submount, including a first light emitting element configured to emit first light having an emission peak at a first wavelength and a second light emitting element configured to emit second light having an emission peak at a second wavelength from a second light emission point, the second wavelength being different from the first wavelength, and the second light emission point being located farther from the lens member than a first plane that is perpendicular to an optical axis of the lens surface and that passes through the first light emission point.

Lamp for vehicle
11644170 · 2023-05-09 · ·

Provided is a lamp for a vehicle. The vehicle lamp comprises a light source unit for generating light, and a lens unit for forming a predetermined beam pattern by allowing the light incident through a plurality of incident lenses from the light source unit to be emitted through a plurality of emitting lenses corresponding to each of the plurality of incident lenses. The plurality of incident lenses comprises a first incident lens for allowing the light incident from the light source unit to be emitted in a first direction, and a second incident lens for allowing a first portion of the light incident from the light source unit to be emitted in the first direction, and a second portion of the light to be emitted in a second direction different from the first direction.

Illumination apparatus
20230137296 · 2023-05-04 ·

An illumination apparatus comprises a plurality of LEDs aligned to an array of directional optical elements wherein the LEDs are substantially at the input aperture of respective optical elements. An electrode array is formed on the array of optical elements to provide at least a first electrical connection to the array of LED elements. Advantageously such an arrangement provides low cost and high efficiency from the directional LED array.

METHOD FOR CONTROLLING THE LIGHT DISTRIBUTION OF A LUMINAIRE

Method for controlling the light distribution of a traffic route luminaire (1) in a network of luminaires, which is preferably also organized as a mesh network. The luminaire has a luminaire head having a settable light module and a controller, the light distribution of the luminaire being variable. The luminaire communicates luminaire data to at least one server, the luminaire data being luminaire-specific and including the installation location of the luminaire. The method comprises the steps of: —automatically allocating a light distribution to the luminaire (1) in accordance with the communicated luminaire data; —automatically setting the light module on the basis of the allocated light distribution; and determining, by said at least one server, a light distribution class of the traffic route luminaire on the basis of a traffic route topology (2,3,4,5,6).

LIGHTING DEVICE OR LAMP WITH CONFIGURABLE BEAM ANGLE AND/OR PROFILE
20230204199 · 2023-06-29 ·

A lighting device or lamp having two or more operating modes are provided. The lighting device or lamp comprises a housing having one or more light emitting diode (LED) packages mounted therein. The lighting device or lamp further comprises at least one secondary optic disc comprising a plurality of secondary optical elements. The secondary optical elements comprise two or more types of secondary optical elements. An operating mode of the two or more operating modes corresponds to each of the one or more LED packages being aligned with a secondary optical element of a predetermined type. The secondary optic disc is mounted to the housing so that the secondary optic disc is selectively rotatable with respect to the housing.