855results about "Condensers" patented technology

A light emitting apparatus of the present disclosure includes: a first light emitting unit including: a first crystalline layer provided on a light extraction surface side; a second crystalline layer; and a light emitting layer disposed between the first crystalline layer and the second crystalline layer, at least a portion of a light extraction surface of the first crystalline layer being an optical functional surface, the optical functional surface having a light collecting effect; and an optical unit including at least one optical member having a light collecting effect, the optical unit being opposed to the light extraction surface side of the first light emitting unit.

A display device has a display panel provided with a plurality of light emitting elements 10 including a light emitting part 30, and a lens member 50 through which light emitted from the light emitting part 30 passes, in which when a distance (an offset amount) between a normal LN passing through a center of the light emitting part 30 and a normal LN′ passing through a center of the lens member 50 is defined as D0, a value of the distance (offset amount) D0 is not 0 in at least some of the light emitting elements 10 provided in the display panel.

Collector device for collecting the electromagnetic radiation (30) emitted by a radiation source (14), wherein the collector device (15) is configured such that electromagnetic radiation (30) incident at a first focal point (26) is directed to a second focal point (27). The collector device comprises a first shell (31, 32, 33) made of a material transparent to the electromagnetic radiation (30), wherein the first shell (31, 32, 33) is coated with a first reflective layer (35, 36, 37) made of aluminum. The collector device comprises a second shell (32, 33, 34) made of a material transparent to the electromagnetic radiation (30), wherein the second shell (32, 33, 34) is coated with a second reflective layer (36, 37, 38) made of aluminum.The first shell (35, 36, 37) and the second shell (36, 37, 38) are arranged coaxially with respect to an axis (28) spanning between the first focal point (26) and the second focal point (27), wherein the first shell (31, 32, 33) forms a first back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected, and wherein the second shell (32, 33, 34) forms a second back mirror off which the electromagnetic radiation (30) between the first focal point (26) and the second focal point (27) is reflected. The invention also relates to a wafer inspection system with such a collector device.

Disclosed is an optical system for laser machining that enables simpler and more reliable machining of several patterns simultaneously on the same part. The system comprises an ultra-short pulse laser source for generating a source laser beam; a device with a separation means for separating a source laser beam into a plurality of separated laser beams, such that each of the separated laser beams is directed in a direction of propagation specific thereto; a spatial offsetting unit for obtaining, from the plurality of separated laser beams, a plurality of offset laser beams such that each offset laser beam can propagate around a main axis of propagation A specific thereto and is capable of describing a movement around the main axis of propagation A; and a focusing means configured to focus each offset laser beam on a workpiece in the direction of the axis of propagation specific thereto.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

A display device has a display panel provided with a plurality of light emitting elements 10 including a light emitting part 30, and a lens member 50 through which light emitted from the light emitting part 30 passes, in which when a distance (an offset amount) between a normal LN passing through a center of the light emitting part 30 and a normal LN′ passing through a center of the lens member 50 is defined as D0, a value of the distance (offset amount) D0 is not 0 in at least some of the light emitting elements 10 provided in the display panel.

The invention discloses an illumination device, an illumination adjusting method and wafer detection equipment. The device comprises an illumination light source, an illumination adjusting device and a wafer detection device, wherein the illumination light source comprises a light-emitting surface for exporting illumination light to the outside; the light-emitting surface adjusting part is used for adjusting the position of the light-emitting surface; the objective lens group comprises a plurality of objective lenses which are different in multiplying power and can be mutually switched, calibration data are pre-stored in the controller and comprise pupil plane size information, pupil plane position information and light-emitting surface position information of the objective lenses different in multiplying power, and the controller is used for adjusting the position of the light-emitting surface by the light-emitting surface adjusting part according to the multiplying power information of the objective lenses and the calibration data. According to the invention, rapid and automatic matching between the illumination system and pupil planes of objective lenses with different multiplying powers is realized, and uneven illumination and stray light caused by mismatching of the pupil planes are effectively eliminated.

A penta prism collimator having four freeform surfaces that fold the optical path of light received from a microdisplay collimates light for coupling to a waveguide. In some embodiments, the freeform surfaces are toroidal surfaces made from a single injection-molded element, such as a single piece of plastic. The freeform surfaces collimate the light at a variety of distances from an input pupil of a waveguide, allowing for more freedom of placement within a frame of a WHUD.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

The invention relates to a headlight for a motor vehicle. The headlight includes at least one light source and an optical system with a plurality of optical components to shape the light emitted by the at least one light source and to project it into the space outside the motor vehicle in such a way that a dipped beam distribution of the headlight, which has a light-dark boundary, is produced, and light portions located above this light-dark boundary in order to implement an OS function. The headlight further includes at least one refractive structure on at least one of the optical components and has a plurality of structural elements, the structure being set up to deflect light passing through the optical component into a region above the light-dark boundary in order to implement the OS function, at least one of the structural elements being of annular or partially annular design.

A light source device includes: a plurality of light emitting parts, each having an upper surface that includes a light emitting surface; an optical lens located above the light emitting surfaces of the light emitting parts, the optical lens having: a first surface including a first incident region, and a second surface including a second incident region; and a light converging member located between the light emitting parts and the optical lens, the light converging member including: a light entering portion, corresponding to a first of the plurality of light emitting parts and covering the light emitting surface of the first light emitting part, and a light emission portion, corresponding to the light entering portion. The light converging member includes a first light-reflective member and a unit light converging portion having the light entering portion and the light emission portion.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

A backlight unit for a liquid crystal display device is disclosed. The backlight unit includes an array of light-emitting elements and a plurality of cavity reflectors, wherein a given cavity reflector partially surrounds a corresponding light-emitting element of said array. The backlight unit further includes a collimator arranged on an optical path of the array of light-emitting elements, a first drive circuit that is employed to individually control the light-emitting elements of said array, and a controller. The controller is configured to generate or receive drive signals for controlling the light-emitting elements of said array, and send the drive signals to the first drive circuit.

Provided is a photodetection device including a polarizer having a meta-surface structure, the photodetection device being advantageous for appropriately condensing each polarized light in incident light on a corresponding pixel. The photodetection device includes a polarization control unit that includes a plurality of fine structures arrayed two-dimensionally and selectively emits a plurality of polarized lights in incident light, a photoelectric conversion unit that includes a plurality of pixels receiving the plurality of polarized lights, and a light condensing unit that is positioned between the polarization control unit and the photoelectric conversion unit and condenses the plurality of polarized lights on respectively corresponding pixels.

To provide a transmission device capable of realizing further improvement.SOLUTION: A transmission device of a bit stream includes a circuit and a memory connected to the circuit. The circuit, in operation, transmits a bit stream to a decoding device, the bit stream includes a coded video signal and division information for performing decoding process by a decoding device, the decoding process divides a picture into a plurality of coding tree units, divides a first block into a plurality of second blocks by using a first division mode without reading first division information indicating the first division mode when a first block in which at least one side of the plurality of coding tree units is adjacent to an edge of the picture is in a first shape, reads second division information indicating a second division mode, divides at least one of the plurality of second blocks into a plurality of coding units by using the second division mode, and decodes the plurality of coding units.SELECTED DRAWING: Figure 11

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

An illumination system 700 having a first and second telescope each comprising a respective array of micro-lenses 604, 606 and 704, 706 which are optically coupled to form respective arrays of micro-l

The invention relates to the technical field of temperature difference trolleys, in particular to a temperature difference power generation teaching aid model trolley which comprises an assembling platform designed at the top of the trolley, a stable support is fixedly installed on the assembling platform, a thermoelectric piece is controllably and rotatably installed on the stable support, and the hot end and the cold end of the thermoelectric piece are located on the front face and the back face of the thermoelectric piece respectively. And the thermoelectric sheet is associated with a driving motor of the trolley. Students can deeply understand that the temperature difference is the core essence of power generation and master a complete energy conversion chain, the systematic thinking ability, scientific exploration and engineering practice ability of the students are effectively cultivated by simulating energy intermittency and energy storage management, and the teaching effect is comprehensively superior to that of a traditional teaching aid.

A multifunction portable illumination system includes a housing having a power source. A broadband illumination source connected to the power source and capable of producing broadband illuminating light. The system includes an imaging disruption assembly including at least one narrow-band light source capable of generating one or more high intensity light beams (HILB) and a light modifying assembly configured to modify the one or more HILB to produce a Modified HILB. At least one Modified HILB may have the requisite irradiance to cause disruption of an imaging system.

A phosphor illumination system including a housing, a phosphor wheel, a condenser lens mounted to the housing, the condenser lens configured to condense light to an irradiation spot on the phosphor wheel and a flexure plate onto which the phosphor wheel is mounted. The flexure plate includes a fixed fastener for fixedly fastening the flexure plate to a first location of the housing and an adjustable fastener for adjustably fastening the flexure plate to a second location of the housing, the adjustable fastener configured to change at least one of a distance and an angle of the flexure plate with respect to the condenser lens as the adjustable fastener is tightened to or loosened from the housing.

The utility model provides a groove type compound paraboloid light guide photoelectric integrated lighting device which can overcome the defects, achieve efficient light condensation and effective light guide and combine the power generation function. The groove-type compound paraboloid light guide photoelectric integrated lighting device comprises a groove-type compound paraboloid condenser, a light guide cavity and a groove-type compound paraboloid condenser, wherein the groove-type compound paraboloid condenser is used for focusing part of solar rays and transmitting the solar rays to the light guide cavity; the groove type compound paraboloid condenser is also used for focusing the other part of solar rays on the solar photovoltaic module; a diffuser is arranged at a light outlet of the light guide cavity, and the light guide cavity is used for transmitting light transmitted by the groove type compound paraboloid condenser to the diffuser; the diffuser is used for scattering light into a use environment to realize a lighting function; and the solar photovoltaic module is used for directly converting the gathered light into electric energy.

The invention relates to a method for determining position information relating to an object that has at least one surface for reflecting electromagnetic radiation and that is located in a vehicle, the method including the following: detecting, by means of at least one sensor, in particular at least one camera, electromagnetic radiation reflected from the at least one reflective surface of the object and originating from one or more vehicle-mounted sources of the electromagnetic radiation; determining, detecting or retrieving design details relating to the object; and determining position information relating to the object from the reflected electromagnetic radiation using the design details relating to the object and position information from the one or more vehicle-mounted sources of the electromagnetic radiation and the at least one sensor.

The invention provides a radiation generating system comprising a radiation unit, wherein the radiation unit comprises a light source, a first collimator, and an optical arrangement, wherein: (a) the light source is configured to generate light source radiation having a first spectral power distribution having an intensity I1,1 at a first wavelength λ1 and an intensity I1,2 at a second wavelength λ2; (b) the first collimator is configured in a light receiving relationship with the light source, wherein the first collimator is configured to collimate the light source radiation into collimated light source radiation; (c) the optical arrangement is configured downstream of the first collimator and is configured to convert the collimated light source radiation into arrangement radiation; wherein the arrangement radiation is collimated relative to the collimated light source radiation; wherein the optical arrangement comprises a second collimator and an optical filter, wherein: (i) the second collimator is configured downstream or upstream of the optical filter; (ii) the optical filter has a higher transmission for the first wavelength λ1 than for the second wavelength λ2 when irradiated under a predefined angle; (iii) the first wavelength λ1 is selected from the range of 190-230 nm and the second wavelength λ2 is selected from the range of 100-190 nm or 230-280 nm; and (iv) the second collimator is at least partly defined by a plurality of light radiation transmissive channels, wherein the radiation transmissive channels are defined by channel walls which comprise a light absorbing material, wherein the light absorbing material is configured to absorb at least part of the collimated light source radiation received by the light absorbing material.

The present application relates to an optical arrangement, a lamp, a vehicle and a method for manufacturing an optical arrangement, wherein the optical arrangement comprises a light source section capable of emitting a light beam; a total internal reflection lens comprising a central section and a side wall of the total internal reflection lens arranged around the central section on the circumference of the central section, the side wall comprising a total internal reflection surface, the central section corresponding to a light entry section of the total internal reflection lens and receiving the light beam emitted by the light source section, the total internal reflection surface comprising at least a first total internal reflection surface arranged at a first circumferential position on the circumference of the central section and a second total internal reflection surface arranged at a second circumferential position on the circumference of the central section;wherein the first total internal reflection surface corresponds to a first boundary region of a target light pattern boundary, and the second total internal reflection surface corresponds to a second boundary region of the target light pattern boundary, wherein a discontinuous structure is provided between the first total internal reflection surface and the second total internal reflection surface; comprising a modeling surface that provides a light-emitting surface for the optical arrangement.

A laser assembly (10) includes an emitter array (34) and a lens array (36). The emitter array (34) includes a first emitter (18A) that generates a first emitter beam (20A) along a first emitter axis (44A), and a second emitter (18B) that generates a second emitter beam (20B) along a second emitter axis (44B). The first emitter axis (44A) and the second emitter axis (44B) are spaced apart a first emitter separation distance (42a). The lens array (36) includes a first lens (22A) that colliminates the first emitter beam (20A), and a second lens (22B) that colliminates the second emitter beam (20B). The first lens (22A) has a first lens axis (48A) and the second lens (22B) has a second lens axis (48B). The first lens axis (48A) and the second lens axis (48B) are spaced apart a first lens separation distance (46a) that is different from the first emitter separation distance (42a).

This invention discloses a projection optical structure, a projection optical mirror adjustment method, and a projection lens, relating to the field of optical technology. The projection optical structure includes a light source and a first lens and a second lens arranged sequentially in the light-emitting direction of the light source. The first lens includes a first light-incident surface facing the light source, a first light-emitting surface facing the second lens, and a side surface located between the first light-incident surface and the first light-emitting surface. The second lens includes a second light-incident surface facing the first lens and a second light-emitting surface facing away from the first lens. A first stray ray emitted from the light source passes sequentially through the first light-incident surface, the side surface, the first light-emitting surface, the second light-incident surface, and the second light-emitting surface to form a first image point in the second lens. A second stray ray emitted from the light source passes sequentially through the first light-incident surface, the side surface, the first light-emitting surface, the second light-incident surface, and the second light-emitting surface to form a second image point at the bottom of the first image point.

The invention relates to a lighting device comprising a lighting module (2) including an optical output (22) configured to emit a light beam (5) having an angular spread, said module (2) comprising a light source (20) configured to generate the light beam and an optical diffuser (21) arranged to receive and diffuse the beam towards the optical output (22), such that the downstream value (θ2) of the angular spread downstream of the diffuser is greater than the upstream value (θ1) of the angular spread upstream of the diffuser. A control module (3) is configured to emit a control signal (CTRL) having an alarm value when the value of the angular spread of the light beam emitted by the optical output (22) passes below a first threshold, the control module (3) comprising a photoreceptor (30) optically coupled to the optical output (22) and configured to measure a light intensity, wherein the control module (3) is configured to output the control signal (CTRL) having the alarm value when the value of the light intensity falls below a second threshold, the device (1) further comprising a control circuit (4) configured to deactivate the light source (20) upon reception of the control signal (CTRL) having the alarm value. The invention also relates to an imaging system comprising such a device.

Provided is an optical device including: a lens including a first surface and a side surface; a display device disposed on a first side surface among the side surface of the lens and displaying a first image in a first region and a second image in a second region; a first reflector disposed in the lens and reflecting the first image incident on the first side surface of the lens to the first surface; a second reflector disposed in the lens and reflecting the second image incident on the first side surface of the lens to the first surface; a first condenser disposed between the lens and the first region of the display device and focusing the first image on the first reflector; and a second condenser disposed between the lens and the second region of the display device and focusing the second image on the second reflector.