WO2023043244A1 - 조명 장치 및 이를 구비한 차량 램프 - Google Patents
조명 장치 및 이를 구비한 차량 램프 Download PDFInfo
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- WO2023043244A1 WO2023043244A1 PCT/KR2022/013839 KR2022013839W WO2023043244A1 WO 2023043244 A1 WO2023043244 A1 WO 2023043244A1 KR 2022013839 W KR2022013839 W KR 2022013839W WO 2023043244 A1 WO2023043244 A1 WO 2023043244A1
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- light
- disposed
- antenna pattern
- light sources
- substrate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0017—Devices integrating an element dedicated to another function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/15—Strips of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/19—Attachment of light sources or lamp holders
- F21S43/195—Details of lamp holders, terminals or connectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/281—Materials thereof; Structures thereof; Properties thereof; Coatings thereof
- F21S43/28131—Structures comprising multiple layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/281—Materials thereof; Structures thereof; Properties thereof; Coatings thereof
- F21S43/28135—Structures encapsulating the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—Optical layout thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3291—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted in or on other locations inside the vehicle or vehicle body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/80—Constructional details
- H10H29/85—Packages
- H10H29/855—Optical field-shaping means, e.g. lenses
- H10H29/856—Reflecting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/16—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/281—Materials thereof; Structures thereof; Properties thereof; Coatings thereof
- F21S43/2811—Heterogeneous materials
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0274—Optical details, e.g. printed circuits comprising integral optical means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors incorporating printed inductors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2054—Light-reflecting surface, e.g. conductors, substrates, coatings, dielectrics
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/80—Constructional details
- H10H29/85—Packages
- H10H29/852—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/80—Constructional details
- H10H29/85—Packages
- H10H29/857—Interconnections
Definitions
- An embodiment of the present invention relates to a lighting device having an antenna pattern.
- An embodiment of the present invention relates to a lighting device having an antenna pattern and a light unit or vehicle lamp having the same.
- LEDs Light emitting diodes
- LEDs have advantages over conventional light sources such as fluorescent lamps and incandescent lamps, such as low power consumption, semi-permanent lifespan, fast response speed, safety, and environmental friendliness.
- Such light emitting diodes are applied to various lighting devices such as various display devices and indoor or outdoor lights.
- a lamp employing a light emitting diode has been proposed as a light source for vehicles.
- light emitting diodes are advantageous in that power consumption is small.
- the size of the light emitting diode is small, the degree of freedom in the design of the lamp can be increased, and the light emitting diode is economical due to its semi-permanent lifespan.
- An embodiment of the present invention may provide a lighting device having an antenna pattern and irradiating surface light.
- An embodiment of the present invention may provide a lighting device having an antenna pattern and irradiating light with a line width.
- An embodiment of the present invention may provide a light unit having a lighting device having an antenna pattern, a display device, or a vehicle lamp.
- a lighting device includes a substrate; a plurality of light sources arranged on the substrate; a resin layer sealing the plurality of light sources; a reflective member disposed between the resin layer and the substrate; and an antenna pattern disposed in a first area between the reflective member and the substrate.
- the first area may be disposed in a lower area between two adjacent light sources.
- a maximum length of the antenna pattern may be smaller than a distance between the plurality of light sources.
- It may include a driving module disposed on one side of the substrate and having a light source driver for driving the light source and a short-range communication unit connected to the antenna pattern.
- the driving module may be attached to a lower surface of the board or connected to a connector of the board and a signal cable.
- an optical member and a light blocking part disposed on each of the light sources are included on the resin layer, and the light blocking part may overlap the antenna pattern in a vertical direction.
- a reflective layer is included on the resin layer, light emitted from the plurality of light sources is extracted through one side of the resin layer, and the antenna pattern may be disposed on an emission side of any one of the plurality of light sources.
- the thickness of the antenna pattern is thinner than the thickness of the reflective member, and the reflective member may cover the entire surface of the antenna pattern.
- a lighting device includes a substrate; a plurality of light sources arranged on the substrate; a resin layer sealing the plurality of light sources; a reflective member disposed between the resin layer and the substrate; and an antenna pattern disposed in a first region between the reflective member and the substrate, wherein the antenna pattern is formed as a partial pattern of a wiring layer disposed on the substrate, and the thickness of the antenna pattern is equal to the thickness of the wiring layer.
- the antenna pattern may be disposed on an emission side of at least one of the plurality of light sources.
- the maximum length of the antenna pattern is smaller than the distance between the plurality of light sources, the width of one side of the antenna pattern is smaller than the width of the other side, and the other side of the antenna pattern is adjacent to the emission side of at least one of the plurality of light sources. can be placed.
- the present invention is disposed on one side of the substrate, and includes a driving module having a light source driver for driving the light source and a short-range communication unit connected to the antenna pattern, wherein the driving module is adhered to the lower surface of the substrate or the It can be connected to the connector of the board and the signal cable.
- an optical member and a plurality of light blocking parts disposed on each of the plurality of light sources are included on the resin layer, and at least one of the plurality of light blocking parts may overlap the antenna pattern in a vertical direction. there is.
- a reflective layer is included on the resin layer, and light emitted from the plurality of light sources can be extracted through any one side of the resin layer.
- a vehicle lamp according to an embodiment of the present invention includes the above-described lamp having at least one of a tail light, a turn signal light, a reversing light, a brake light, and a daytime running light.
- lighting and communication may be performed using a lighting device.
- performance degradation of the antenna pattern can be prevented by sealing the antenna pattern using a resin layer or a reflective member within the lighting device.
- by burying the antenna pattern integrally in the lighting device installation of the communication antenna is easy and communication can be convenient, and space utilization is improved because a separate space for the communication antenna, which is generally arranged as a separate device, is not required. this can get better
- power and communication may be commonly used by the light source driving unit and the short-range communication unit. Reliability of a lighting device according to an embodiment of the present invention is improved, and it can be applied to a light unit having the same, various types of display devices, or vehicle lamps.
- FIG. 1 is a side cross-sectional view showing a lighting device according to an embodiment of the present invention.
- FIG. 2 is a view showing another example of the lighting device of FIG. 1 .
- FIG. 3 is an example of a plan view for explaining an antenna pattern and a light source array shape disposed in FIGS. 1 and 2 .
- FIG. 4 is a first modified example of the lighting device of FIG. 1 .
- FIG. 5 is a side cross-sectional view along line B-B of the lighting device of FIG. 4 .
- FIG. 6 is an example in which the driving module in the lighting device of FIG. 1 is connected with a cable.
- FIG. 7 is a diagram showing an example of a light source and an antenna pattern arranged on a substrate according to an embodiment of the present invention.
- FIG. 8 is a block configuration diagram of a lighting device for a vehicle according to an embodiment of the present invention.
- FIG. 9 is a plan view of a vehicle to which a lamp having a lighting device according to an embodiment of the present invention is applied.
- Fig. 10 is a perspective view of the taillight of Fig. 9;
- terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.
- the singular form may also include the plural form unless otherwise specified in the phrase, and in the case of "at least one (or more than one) of A and (and) B and C", a combination of A, B, and C Can include one or more of all possible combinations.
- terms such as first, second, A, B, (a), and (b) may be used to describe components of an embodiment of the present invention. These terms are only used to distinguish the component from other components, and the nature, order, or order of the component is not determined by the term.
- the component when a component is described as being 'connected', 'coupled' or 'connected' to another component, the component is not only directly connected to, combined with, or connected to the other component, but also with the component. It may also include the case of being 'connected', 'combined', or 'connected' due to another component between the other components.
- the top (top) or bottom (bottom) when it is described as being formed or disposed on the "top (above) or bottom (bottom)" of each component, the top (top) or bottom (bottom) is not only a case where two components are in direct contact with each other, but also one A case in which another component above is formed or disposed between two components is also included.
- up (up) or down (down) it may include the meaning of not only the upward direction but also the downward direction based on one component.
- FIG. 1 is a side cross-sectional view showing a lighting device according to an embodiment of the present invention
- FIG. 2 is a view showing another example of the lighting device of FIG. 1
- FIG. 3 is an antenna pattern and light source arrangement form disposed in FIGS. 1 and 2 This is an example of a plan view to explain.
- a lighting device 10 includes a substrate 110, a light source 101 disposed on the substrate 110, and a substrate 110 covering the light source 101.
- a resin layer 130 and an optical member 140 on the resin layer 130 may be included.
- the lighting device 10 includes a reflective member 120 disposed between the substrate 110 and the resin layer 130 and an antenna disposed in a first region between the reflective member 120 and the substrate 110. Pattern 155 may be included.
- the lighting device 10 may emit the light emitted from the light source 101 as surface light.
- a plurality of light sources 101 may be disposed on the substrate 110, and the light sources 101 may be arranged in one or more rows and one or more columns.
- the lighting device 10 can be applied to various lamp devices that require lighting, such as vehicle lamps, household lighting devices, and industrial lighting devices. For example, in the case of lighting modules applied to vehicle lamps, head lamps, side lights, side mirror lights, fog lights, tail lights, turn signal lamps, back up lamps, and stop lamps , daytime running right, vehicle interior lighting, door scarf, rear combination lamp, backup lamp, etc.
- the substrate 110 may function as a base member or a support member positioned below the light source 101 and the resin layer 130 .
- the substrate 110 includes a printed circuit board (PCB).
- the substrate 110 may include, for example, at least one of a resin-based printed circuit board (PCB), a metal core PCB, a flexible PCB, a ceramic PCB, or an FR-4 substrate. .
- the substrate 110 may include, for example, a flexible PCB or a rigid PCB.
- the upper surface of the substrate 110 has an X-axis-Y-axis plane, and the thickness of the substrate 110 may be a height in a Z direction orthogonal to the X and Y directions.
- the X direction may be a first direction
- the Y direction may be a second direction orthogonal to the X direction
- the Z direction may be a third direction orthogonal to the X and Y directions.
- the substrate 110 includes a wiring layer (not shown) thereon, and the wiring layer may be electrically connected to the light sources 101 and the antenna pattern 155 .
- the light sources 101 may be connected in series, parallel, or series-parallel by a wiring layer of the substrate 110 .
- the light sources 101 may be connected in series or parallel in groups having two or more, or in series or parallel between the groups.
- the wiring layer may include a vertically penetrating via, and the antenna pattern may be electrically connected to the driving module 150 through the wiring layer or the via.
- the substrate 110 may have a thickness of 0.5 mm or less, for example, in the range of 0.3 mm to 0.5 mm. Since the thickness of the substrate 110 is thin, it is possible to support a flexible module without increasing the thickness of the lighting module.
- the substrate 110 may have a top view shape of a rectangle, a square, or another polygonal shape, and may have a bar shape having a curved shape.
- the substrate 110 may include a protective layer or a reflective layer thereon.
- the protective layer or the reflective layer may include a member made of a solder resist material, and the solder resist material is a white material and may reflect incident light.
- the substrate 110 may include a transparent material. Since the substrate 110 made of the transparent material is provided, the light emitted from the light source 101 can be emitted toward the upper and lower surfaces of the substrate 110 .
- the light source 101 may be disposed on the substrate 110 and sealed by the resin layer 130 .
- the plurality of light sources 101 may contact the resin layer 130 .
- the resin layer 130 may be disposed on a side surface and an upper surface of the light source 101 .
- the resin layer 130 seals the light sources 101 and may contact the upper surface of the substrate 110 or/and the reflective member 120 .
- Light emitted from the light source 101 may be emitted through the resin layer 130 .
- the light source 101 may emit light through the emitting surface 11 . That is, the light source 101 may be implemented as a package having an LED chip therein, for example, as a side view type package. As shown in FIG. 2 , the light source 101A may be implemented as an LED chip that emits light through a plurality of side surfaces, and may be disposed on the substrate 110 in a flip chip form. In the lighting device 10A of FIG. 2 , light sources 101A may be arranged on a substrate 110 in first and second directions, and each light source 101A may be implemented as an LED chip.
- Each of the light sources 101A is sealed by the resin layer 130, and a light blocking portion 145 or a light blocking structure (cavity, recess) may be disposed thereon.
- the light sources 101 and 101A include light emitting diode chips, and may emit at least one of blue, red, green, white, ultraviolet (UV), or infrared light.
- the light sources 101 and 101A emit, for example, at least one of blue, red, and green, and blue, red, green, or white light may be emitted through the surface of the lighting device 10 or 10A.
- the resin layer 130 is disposed on the substrate 110 and seals the light sources 101 and 101A.
- the resin layer 130 may be made of a transparent resin material, such as ultra violet (UV) resin, silicone, epoxy, or polyethylene terephthalate (PET).
- the resin layer 130 may be a layer made of a transparent material to which impurities are not added. Since the resin layer 130 does not contain impurities, light can be transmitted with straightness.
- the resin layer 130 may include a diffusion agent therein.
- the resin layer 130 may have a refractive index of 1.70 or less, for example, in the range of 1.25 to 1.70. When the refractive index of the resin layer 130 is out of the above range, light extraction efficiency may decrease.
- Each of the light sources 101 and 101A has a bonding portion disposed thereon and may be electrically connected to a pad of the substrate 110 .
- the light emitting chip may emit at least one of blue, red, green, and ultraviolet (UV) light.
- the light source 101 may emit at least one of white, blue, red, and green light.
- the light sources 101 and 101A may include a phosphor.
- the resin layer 130 may have a thickness greater than that of the light sources 101 and 101A.
- the thickness of the resin layer 130 may be greater than that of the substrate 110 .
- the thickness of the resin layer 130 may be 5 times or more, for example, 5 to 9 times thicker than the thickness of the substrate 110 . Since the resin layer 130 is disposed with the above thickness, it is possible to seal the light sources 101 and 101A on the substrate 110, prevent moisture permeation, and support the substrate 110.
- the resin layer 130 and the substrate 110 may be flexible plates.
- the resin layer 130 may have a thickness of 2.7 mm or less, for example, in the range of 1.8 mm to 2.7 mm.
- the thickness of the resin layer 130 is less than the above range, the distance between the light sources 101 and 101A and the optical member 140 may be reduced or the thickness of the diffusion layer may be increased, and when it is greater than the above range, the module The thickness may increase or the luminous intensity may decrease.
- the resin layer 130 is disposed between the substrate 110 and the optical member 140 to guide the light emitted from the light sources 101 and 101A and emit surface light upward.
- the optical member 140 may emit light from the resin layer 130 as surface light having a uniform distribution.
- the optical member 140 may be attached to the upper surface of the resin layer 130 or may be spaced apart from the surface of the resin layer 130 .
- the optical member 140 may be a resin layer having at least one or two or more of a diffusion agent, a phosphor, and ink particles.
- the optical member 140 may be disposed in a single layer or stacked in a plurality of layers.
- the content of the diffusing agent added to the optical member 140 may be in the range of 2wt% to 5wt% within the resin material. When the content of the diffusing agent is less than the above range, there is a limit to lowering the hot spot, and when it is greater than the above range, light transmittance may be reduced.
- the diffusing agent can diffuse light to reduce hot spots without reducing light transmittance.
- the diffusion agent may include at least one of PMMA (Poly Methyl Meth Acrylate) series, TiO 2 , SiO 2 , Al 2 O 3 , and silicon series.
- the content of the phosphor is added in the same amount as the resin material constituting the optical member 140, or the ratio of the optical member 140 to the resin material is 40% to 40%. It may be added at a ratio of 40% to 60% compared to 60%.
- the phosphor may include at least one of a red phosphor and a yellow phosphor.
- the ink particles may include at least one of metal ink, UV ink, and hardening ink.
- Types of the ink particles include PVC (Poly vinyl chloride) ink, PC (Polycarbonate) ink, ABS (acrylonitrile butadiene styrene copolymer) ink, UV resin ink, epoxy ink, silicone ink, PP (polypropylene) ink, water-based ink, and plastic ink.
- PMMA poly methyl methacrylate
- PS Polystyrene
- the width or diameter of the ink particle may be 5 ⁇ m or less, or may range from 0.05 ⁇ m to 1 ⁇ m. At least one of the ink particles may be smaller than the wavelength of light.
- the ink particles may include at least one of metal ink, UV ink, and curing ink.
- a size of the ink particle may be smaller than a size of the phosphor.
- At least one of the ink particles may be smaller than the wavelength of light.
- the surface color of the ink particle may be any one of green, red, yellow, and blue.
- the inside of the optical member 140 may include phosphors and ink particles without a diffusing agent.
- the phosphor emits a red wavelength
- the ink particles may include red.
- the red color of the ink particles may be darker than the color of the phosphor or the wavelength of light.
- the ink particles may have a color different from that of light emitted from the light sources 101 and 101A.
- the ink particles may give an effect of blocking or blocking incident light.
- the content of the phosphor may be added in a range of 23wt% or less or 10wt% to 23wt%, and the ink particles may be added in a range of 12wt% or less, for example, 4wt% to 12wt%. .
- the content of the phosphor in the optical member 140 may be 3wt% or more than the content of the ink particles, or may be added in a range of 3wt% to 13wt%. Since the weight of the ink particles is smaller than the weight of the phosphors, the ink particles may be distributed in an area closer to the surface of the resin layer than the phosphors. Accordingly, the color of the surface of the optical member 140 may be provided as the color of the ink particles. Light transmission can be suppressed by such ink particles, and hot spots can be reduced.
- the optical member 140 may be attached to the surface of the resin layer 130 with an adhesive 147 .
- the adhesive 147 is a transparent material and may be an adhesive such as UV adhesive, silicone, or epoxy.
- the optical member 140 may include at least one of a resin material, for example, silicone, epoxy, or polyester (PET).
- a light blocking portion 145 may be disposed below the optical member 140 .
- the light blocking portion 145 may be printed or attached to the lower surface of the optical member 140 and may be formed as a single layer or multiple layers.
- the light blocking portion 145 may overlap each of the light sources 101 in a vertical direction, and may extend further toward the emission side than the emission surface 11 of each light source 101 .
- the adhesive 147 may be disposed around the light blocking portion 145 and adhered between the resin layer 130 and the optical member 140 .
- the light blocking part 145 may block light having a high intensity among the light emitted through the light source 101 on the resin layer 130 to prevent a hot spot.
- the light blocking portion 145 of FIG. 2 may be provided in a size that covers the upper part of the light source 101A and its surroundings.
- the light blocking portion 145 may include two or more white material layers or three or more white material layers.
- the light-blocking part 145 includes a diffusion pattern formed using a light-shielding ink containing at least one material selected from TiO 2 , CaCO 3 , BaSO 4 , Al 2 O 3 , and Silicon, and a mixture of Al or Al and TiO 2 . It can be implemented as an overlapping structure of light-shielding patterns formed by using a light-shielding ink containing a mixture.
- the light blocking part 135 may be disposed in a stacked structure of a first diffusion pattern, a light blocking pattern, and a second diffusion pattern.
- the lighting devices 10 and 10A may include light sources 101 and 101A and a plurality of resin layers on the substrate 110 .
- the plurality of resin layers may include, for example, two or more layers or three or more layers.
- the plurality of resin layers may selectively include at least two or three layers among a layer without impurities, a layer containing a phosphor, a layer containing a diffusion agent, and a layer containing a phosphor/diffusion material.
- At least one of the plurality of resin layers may selectively include at least one of a diffusion agent, a phosphor, and ink particles. That is, the phosphor and the diffusing agent may be added to separate resin layers or may be mixed with each other and disposed in one resin layer.
- the impurities may include phosphors, diffusion agents, or ink particles.
- Layers each including the phosphor and the diffusion agent may be disposed adjacent to each other or may be disposed apart from each other. When the layer on which the phosphor and the diffusion agent are disposed are separated from each other, the layer on which the phosphor is disposed may be disposed above the layer on which the diffusion agent is disposed.
- the phosphor and the ink particles may be disposed on the same layer or on different layers.
- the resin layer to which the grain particles are added may be disposed higher than the resin layer to which the phosphor is added.
- the lighting devices 10 and 10A may include an antenna pattern 155 .
- the antenna pattern 155 may be disposed in a first region of the upper surface of the substrate 110 , for example, between the upper surface of the substrate 110 and the reflective member 120 .
- the first area may be disposed on one side of any one of the plurality of light sources 101 and 101A or on one side of different light sources 101 and 101A.
- the first area may be disposed below the area between two adjacent light sources 101 and 101A.
- the antenna pattern 155 may be covered by the reflective member 120 .
- the entire surface of the antenna pattern 155 may be disposed as the reflective member 120 and may be formed of a metal material having at least one of Cu, Au, Ag, and Ni.
- the antenna pattern 155 may include the same material as that of the wiring layer of the substrate 110, and for example, a portion of the wiring layer may be formed as a pattern.
- a thickness of the antenna pattern 155 may be smaller than a thickness of the reflective member 120 .
- the thickness of the reflective member 120 in the first area where the antenna pattern 155 is disposed may be smaller than the thickness of the reflective member 120 in the first area where the antenna pattern is not present.
- the reflective member 120 may have a concave recess in the first area, and the antenna pattern 155 may be disposed in the recess.
- the antenna pattern 155 is disposed under the reflective member 120 , it may not interfere with the path of the light emitted through the light sources 101 and 101A. In addition, since the antenna pattern 155 is disposed below the reflective member 120, waterproof and dustproof effects can be provided. Since the antenna pattern 155 is disposed between the reflective member 120 and the substrate 110 and is provided within the lighting devices 10 and 10A having a thin thickness, the transmission efficiency or reception efficiency of signals for wireless communication is reduced. can reduce That is, since there are no radio interference elements on the lighting devices 10 and 10A, wireless communication can be effectively performed through the antenna pattern 155 .
- the antenna pattern 155 may be disposed in a region between adjacent light sources 101 and 101A, and may be formed in a polygonal shape.
- the width C2 of the other side may be smaller than the width C1 of one side
- the length of the side C4 may be smaller than the maximum length C3 due to the edge-side inclined surface of the other side.
- the width of one side C1 may be smaller than the maximum length C3 and may be 3 mm or more, for example, in the range of 3 mm to 4 mm
- the maximum length C3 may be 4 mm or more, for example, 4 mm to 5 mm.
- the width C2 of the other side may be 2 mm or less, and the angle R1 of the inclined surface may be 100 degrees or more, for example, 100 degrees to 150 degrees. Since the antenna pattern 155 has one side width C1 and maximum length C3 that is smaller than the distance between the light sources 101 and 101A and sealed by the reflective member 120, interference of the light path can be eliminated, A decrease in transmission or reception efficiency of a radio signal can be prevented.
- a driving module 150 may be disposed outside the lighting devices 10 and 10A.
- the driving module 150 may include a light source driving unit 152 and a short range communication unit 154, and the light source driving unit 152 is electrically connected to the light sources 101 and 101A, and the light sources 101 and 101A ) can be controlled.
- the short-range communication unit 154 may perform short-range wireless communication through the antenna pattern 155 .
- a heat sink (not shown) may be disposed on one side of the driving module 150 or/and under the substrate 110 .
- the light source driving unit 152 and the short-range communication unit 154 may use driving power in common. Since the driving module 150 is directly or indirectly installed at the location where the lighting devices 10 and 10A are disposed, the installation location is free and it can be freely installed behind the lighting devices 10 and 10A regardless of the type of vehicle. there is.
- the short-range communication unit 154 may form wireless area networks through the antenna pattern 155 to perform short-range communication between a mobile object such as a vehicle and at least one external device.
- the short-range communication unit 154 is for short-range communication, and includes Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra-Wideband (UWB), ZigBee, and NFC. Near Field Communication (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and wireless USB (Wireless Universal Serial Bus) technology may be used to support short-distance communication.
- the short-distance communication unit 154 may exchange data wirelessly with the mobile terminal.
- the short-distance communication unit 154 may receive weather information and road traffic condition information (eg, Transport Protocol Expert Group (TPEG)) from the mobile terminal.
- TPEG Transport Protocol Expert Group
- the short-distance communication unit 154 or the lighting devices 10 and 10A may be integrated with a lamp provided in a vehicle, and may be provided, for example, in at least one of a headlamp, a taillight, a brake light, a direction indicator light, and a vehicle sidelight. there is.
- the short-distance communication unit 154 may exchange data with other vehicles through optical communication.
- the driving module 150 may be directly attached to the lower surface of the substrate 110 or electrically connected to a circuit pattern of the substrate. As shown in FIG. 6 , the driving module 150 may be spaced apart from the lower surface or the outer side of the board 110 , and may be connected to a connector (not shown) of the board 110 through a cable 157 .
- the cable is a signal cable and may include a wire harness.
- the lighting device 10B includes a substrate 110, a plurality of light sources 101 disposed on the substrate 110, and disposed on the substrate 110 and the light source 101. and a reflective layer 170 disposed on the resin layer 130 .
- the lighting device 10B may include a reflective member 120 and an antenna pattern 155 between the substrate 110 and the resin layer 130 .
- a plurality of the light sources 101 may be arranged in the second direction (X) or in a direction from the third surface (S3) to the fourth surface (S4).
- the light sources 101 may be arranged in one row. As another example, two or more rows of the light sources 101 may be arranged in different columns.
- the plurality of light sources 101 may be arranged on a straight line or a curved line extending in the second direction (X).
- the maximum length of the lighting device 10B in the second direction (X) may be greater than the maximum length (Y1) in the first direction (Y).
- the lengths of the first and second directions (Y, X) may be greater than the thickness or height of the vertical direction (Z).
- the maximum length Y1 of the first direction Y may be greater than or equal to 13 mm, for example, in the range of 13 mm to 25 mm.
- the light source 101 may be disposed between the reflective member 120 made of a reflective material and the reflective layer 170 facing each other in a vertical direction within the resin layer 130 .
- the reflective layer 170 may be a member of a reflective material disposed on the resin layer 130
- the reflective member 120 may be a member of a reflective material disposed below the resin layer 130 .
- the light source 101 may be disposed closer to the reflective member 120 than to the reflective layer 170 .
- each side may have the same thickness or the same height.
- the light sources 101 may be sealed by a transparent resin material layer, and the resin material layer may be disposed between reflective material layers or disposed between a supporting member and a reflective layer or member.
- the substrate 110 includes a printed circuit board (PCB), and the resin layer 130 is disposed on the substrate 110, and may be selected from materials of the substrate and the resin layer disclosed above. there is.
- PCB printed circuit board
- the resin layer 130 may include first and second surfaces S1 and S2 disposed on opposite sides, and third and fourth surfaces S3 and S4 disposed on opposite sides. .
- Each outer surface of the lighting device 10B may be each side of the resin layer 130 having the largest thickness in the lighting device 10B.
- the outer surfaces S1 , S2 , S3 , and S4 of the resin layer 130 may be disposed in a vertical direction or in the same plane as each side surface of the substrate 110 , the reflective member 120 , and the reflective layer 170 . there is.
- the first and second surfaces S1 and S2 may extend in the second direction Y from both ends of the third and fourth surfaces S3 and S4.
- the first surface S1 faces the second surface S1 and may include a curved surface.
- the first surface S1 may be a surface in a direction in which light is emitted from the plurality of light sources 101
- the second surface S2 may be a surface in a direction opposite to the direction in which light is emitted from the plurality of light sources 101.
- An emission surface 11 of each of the plurality of light sources 101 may face the first surface S1.
- the light emitted from the light sources 101 is emitted through the first surface S1, and some light passes through at least one of the second surface S2, the third surface S3, and the fourth surface S4. can be released through That is, most of the light emitted from the light source 101 may be emitted through the first surface S1. Accordingly, a line-shaped light source may be emitted through the first surface S1 of the resin layer 130 .
- the thickness of the first surface S1 of the resin layer 130 is the thickness of the resin layer 130 and may be less than 3 mm.
- the first surface S1 of the resin layer 130 may be an exit surface from which light emitted from the light source 101 is emitted.
- the first surface S1 may be a front surface or an emission surface
- the second surface S2 may be a rear surface or a non-emission surface.
- the first surface S1 may extend in a vertical direction in a plane having a structure having a convex portion P0 and a recess portion C0 along the second direction X.
- the first surface S1 may include a plurality of convex surfaces S11 corresponding to each light source 101 and a plurality of concave surfaces S12 respectively disposed between the plurality of convex surfaces S11.
- the reflective member 120 may be disposed between the resin layer 130 and the substrate 110 , and the resin layer 130 may be disposed between the reflective member 120 and the reflective layer 170 .
- the reflective member 120 and the reflective layer 170 may have the same area and face each other on opposite sides of the resin layer 130 . Accordingly, the resin layer 130 diffuses the light emitted from the light source 101 and the light reflected by the reflective member 120 and the reflective layer 170 to guide and emit the light toward the first surface S1. .
- the reflective member 120 or the reflective layer 170 may have a single-layer or multi-layer structure.
- the reflective member 120 may include a material that reflects light, such as a metal or a non-metal material.
- the reflective member 120 or the reflective layer 170 may include at least one of a low reflection film, a high reflection film, a diffuse reflection film, and a regular reflection film.
- the reflective member 120 may be provided as, for example, a regular reflection film for reflecting incident light to the first surface S1.
- the reflective layer 170 may be made of the same material as the reflective member 120 .
- the reflective layer 170 may be made of a material with higher light reflectivity than the material of the reflective member 120 or may have a thicker thickness in order to reflect light and reduce transmission loss of light.
- the antenna pattern 155 may be disposed between the light source 101 and the convex portion P0 or between the light source 101 and the concave portion C0.
- the antenna pattern 155 may be disposed on a light emission side of the light source 101 or disposed between adjacent light sources 101 .
- One or a plurality of antenna patterns 155 may be disposed on the substrate 110 of FIGS. 1, 2, and 4 .
- one or a plurality of lighting devices 10, 10A, and 10B having the antenna pattern 155 may be disposed in the vehicle, and may be respectively disposed on the same lamp or different lamps.
- light sources 101 and 101A may be arranged on substrates 10-1 and 10-2 separated from each other.
- the separation of the substrates 10-1 and 10-2 may be physically separated or spatially or electrically separated regions.
- Antenna patterns 155 and 155A may be respectively disposed on the substrates 10-1 and 10-2, and driving modules 150 and 150A may be disposed below the substrates 10-1 and 10-2.
- One of the antenna patterns 155 and 155A may be disposed between adjacent light sources 101, and the other may be disposed outside the outermost light source.
- Lamps having the substrates 10-1 and 10-2 may further include an outer lens on the outside, and may be implemented inside the lamp units 812 and 814 of FIG. 10 .
- the driving modules 150 and 150A the short-range communication unit and the light source driving unit may be separated from each other.
- FIG. 8 is a block diagram of a vehicle lamp having a lighting device according to an embodiment of the present invention.
- a vehicle lamp 200 includes an input unit 210, a memory 230, a first lighting device 300a, a second lighting device 300b, a processor 270, an interface unit 280, A power supply unit 290 may be included.
- the input unit 210 may include an input means capable of receiving a user input for controlling the operation of the vehicle lamp 210 .
- the input unit 210 may be provided inside the vehicle 700 .
- the input unit 210 may include a touch input unit or a mechanical input unit.
- the input unit 210 may receive a user input for turning on or off the power of the vehicle lamp 200 .
- the input unit 210 may receive user input capable of controlling various operations of the vehicle lamp 200 .
- the input unit 210 may receive a user input capable of controlling the first lighting device 300a and the second lighting device 300b.
- the memory 230 may store basic data for each unit of the vehicle lamp 200, control data for controlling the operation of each unit, and data input and output to the vehicle lamp 200.
- the memory 230 may be various storage devices such as ROM, RAM, EPROM, flash drive, hard drive, and the like.
- the memory 230 may store various data for overall operation of the vehicle lamp 200, such as a program for processing or control by the processor 270.
- the first lighting device 300a may include a short-range communication unit 250 , an antenna pattern 255 , a light source driving unit 260 , and a light source 265 .
- the light source driver 260 may control the light source 265a according to a control signal from the processor 170 . Specifically, the light source driver 260a applies a driving current to the light source 265a according to the control signal. Light emitted from the light source 265a may be controlled according to the driving current applied from the light source driver 260a.
- the light source 265a may be a light emitting diode, and the light source driver 260a may be an LED driver.
- the antenna pattern 255 may be the antenna pattern for short-range communication described above.
- the first lighting device 300a may further include a short-range communication unit 250 that drives the antenna pattern 255 or may be disposed spaced apart from the short-range communication unit 250 .
- the processor 270 may control the short-range communication unit 250 that controls the antenna pattern 255 .
- the first lighting device 300a may be implemented as at least one of a lamp at each corner of the vehicle, a mirror lamp, and a low beam or high beam light emitting module for communication and lighting functions.
- the first lighting device 300a may be disposed in plurality in a vehicle.
- the second lighting device 300b may include a light source driver 260b, a light source 265b, a reflector (not shown), and a lens (not shown), and is implemented as a light emitting module without a communication function, that is, without an antenna pattern. It can be.
- a plurality of second lighting devices 300b may be disposed in the vehicle.
- the light source driver 260b may control the light source 265b according to a control signal from the processor 170 . Specifically, the light source driver 260b applies a driving current to the light source 265b according to the control signal. Light emitted from the light source 265b may be controlled according to the driving current applied from the light source driver 260b. The light source 265b may generate light. The light source 265b may convert electrical energy into light energy. Meanwhile, according to an embodiment, the second lighting device 300b may include a lens (not shown).
- the vehicle lamp 200 may further include a cover lens (not shown).
- the cover lens covers an open portion of a housing (not shown) forming the exterior of the vehicle lamp.
- the cover lens (not shown) is made of a transparent plastic material or a glass material. In general, it is preferable to be made of an ALDC plastic material having excellent thermal conductivity.
- the processor 270 may control the overall operation of each unit in the vehicle lamp 200 .
- the processor 270 may output a control signal to the short range communication unit 250 to perform communication through the antenna pattern 255 .
- the processor 270 may be controlled by the main controller 770 of the vehicle 700 .
- the processor 270 includes application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), processors ( It may be implemented using at least one of processors, controllers, microcontrollers, microprocessors, and electrical units for performing other functions.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs field programmable gate arrays
- processors It may be implemented using at least one of processors, controllers, microcontrollers, microprocessors, and electrical units for performing other functions.
- the interface unit 280 may receive vehicle-related data or user input, or transmit a signal processed or generated by the processor 270 to the outside. To this end, the interface unit 280 may perform data communication with the control unit 770 inside the vehicle, the sensing unit 760, the vehicle auxiliary device 100, etc. through wired or wireless communication.
- the interface unit 280 may receive sensor information from the controller 770 or the sensing unit 760 .
- the sensor information includes vehicle direction information, vehicle location information (GPS information), vehicle angle information, vehicle speed information, vehicle acceleration information, vehicle tilt information, vehicle forward/reverse information, battery information, fuel information, tire information, and vehicle lamp information. It may include at least one of information, vehicle internal temperature information, and vehicle internal humidity information.
- Such sensor information includes heading sensor, yaw sensor, gyro sensor, position module, vehicle forward/backward sensor, wheel sensor, vehicle speed sensor, It may be obtained from a vehicle body tilt detection sensor, a battery sensor, a fuel sensor, a tire sensor, a steering sensor by steering wheel rotation, a vehicle internal temperature sensor, a vehicle internal humidity sensor, and the like.
- the position module may include a GPS module for receiving GPS information. Meanwhile, among sensor information, vehicle direction information, vehicle location information, vehicle angle information, vehicle speed information, and vehicle tilt information related to vehicle driving may be referred to as vehicle driving information.
- the interface unit 280 may receive object information detected by the vehicle assistance device 100 from the control unit 770 or the vehicle assistance device 100 .
- the vehicle assist device 100 performs lane detection (LD), surrounding vehicle detection (VD), pedestrian detection (PD), and light detection (Bright) based on the obtained image in front of the vehicle 700. Spot Detection (BD), Traffic Sign Recognition (TSR), and road surface detection can be performed.
- the interface unit 280 may receive detected object information from the vehicle assistance device 100 .
- the interface unit 280 may receive detected object information via the controller 770 .
- the interface unit 280 may receive the oncoming vehicle detection information.
- the oncoming vehicle detection information may include location information of the oncoming vehicle, relative distance between the oncoming vehicle and the vehicle 700, and relative speed information.
- the power supply unit 290 may supply power required for operation of each unit of the vehicle lamp 200 under the control of the processor 270 .
- the power supply 290 may receive power from a battery inside the vehicle 700 .
- FIG. 9 is a plan view of a vehicle to which a vehicle lamp to which a lighting device according to an embodiment is applied
- FIG. 10 is a view showing the taillight of FIG. 9 .
- the front lamp 850 in the mobile body or vehicle 900 may include one or more lighting devices, and individually controls the driving timing of these lighting devices to function as a normal headlamp as well as , When the driver opens the vehicle door, additional functions such as a welcome light or a celebration effect can be provided.
- the lamps may be applied to daytime running lights, high beams, low beams, fog lights or direction indicators.
- the lighting device of the front lamp 850 may perform the above-described lighting L1 or/and short-range wireless communication L2.
- the taillight 800 may be arranged as a plurality of lamp units 810, 812, 814, 816 supported by a housing.
- the lamp units 810 , 812 , 814 , and 816 include a first lamp unit 810 disposed outside, a second lamp unit 814 disposed around the inside of the first lamp unit 810 , and the second lamp unit 814 ) may include third and fourth lamp units 814 and 816 respectively disposed inside.
- the first to fourth lamp units 810 , 812 , 814 , and 816 may selectively apply the lighting device disclosed in the embodiment, and a red lens cover or a white lens cover for lighting characteristics of the lamp units 810 , 812 , 814 , and 816 outside the lighting device.
- the lighting device disclosed in the embodiment applied to the lamp units 810 , 812 , 814 , and 816 may emit surface light with a uniform distribution.
- the lighting device of the taillight 800 may perform lighting L1 or/and short-range wireless communication L2 as described above.
- the first and second lamp units 810 and 812 may be provided in at least one of a curved shape, a straight shape, an angled shape, an inclined shape, and a flat shape, or a mixed structure thereof.
- One or a plurality of the first and second lamp units 810 and 812 may be disposed in each taillight.
- the first lamp unit 810 may be provided as a tail light
- the second lamp unit 812 may be provided as a brake light
- the third lamp unit 814 may be provided as a reversing light.
- the fourth lamp unit 816 may serve as a turn signal lamp.
- the lighting device disclosed in the embodiment is installed in at least one of the front corner, the front center, the rear corner, the rear center, and the lamp unit of the side mirror 830 or different areas of the vehicle, respectively, and illuminates the outside together with the lighting L1. It can communicate with the device (L2).
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Abstract
Description
Claims (15)
- 기판;상기 기판 상에 배열된 복수의 광원;상기 복수의 광원을 밀봉하는 레진층;상기 레진층과 상기 기판 사이에 배치된 반사 부재; 및상기 반사 부재와 상기 기판 사이의 제1영역에 배치된 안테나 패턴을 포함하는, 조명 장치.
- 제1항에 있어서,상기 제1영역은 인접한 두 광원 사이 또는 어느 한 광원의 일측에 배치되는, 조명 장치.
- 제1항에 있어서,상기 안테나 패턴의 최대 길이는 상기 복수의 광원 사이의 간격보다 작은, 조명 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 기판의 일측에 배치되며, 상기 광원을 구동하는 광원 구동부 및 상기 안테나 패턴에 연결된 근거리 통신부를 갖는 구동 모듈을 포함하는, 조명 장치.
- 제4항에 있어서,상기 구동 모듈은 상기 기판의 하면에 접착되거나 상기 기판의 커넥터와 신호 케이블로 연결되는, 조명 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 레진층 상에 광학 부재 및 상기 복수의 광원 각각의 위에 배치된 차광부를 포함하며,상기 차광부는 상기 안테나 패턴과 수직 방향으로 중첩되는, 조명 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 레진층 상에 반사층을 포함하며,상기 복수의 광원으로부터 방출된 광은 상기 레진층의 어느 한 측면을 통해 추출되며,상기 안테나 패턴은 상기 복수의 광원 중 적어도 하나의 출사 측에 배치되는, 조명 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 안테나 패턴의 두께는 상기 반사 부재의 두께보다 얇으며,상기 반사 부재는 상기 안테나 패턴의 표면 전체를 덮는, 조명 장치.
- 기판;상기 기판 상에 배열된 복수의 광원;상기 복수의 광원을 밀봉하는 레진층;상기 레진층과 상기 기판 사이에 배치된 반사 부재; 및상기 반사 부재와 상기 기판 사이의 제1영역에 배치된 안테나 패턴을 포함하며,상기 안테나 패턴은 상기 기판 상에 배치된 배선층의 일부 패턴으로 형성되며,상기 안테나 패턴의 두께는 상기 배선층의 두께와 동일한, 조명 장치.
- 제9항에 있어서,상기 안테나 패턴은 상기 복수의 광원 중 적어도 하나의 출사 측에 배치되는 조명 장치.
- 제9항에 있어서,상기 안테나 패턴의 최대 길이는 상기 복수의 광원 사이의 간격보다 작으며,상기 안테나 패턴의 일측 폭은 타측 폭보다 작으며,상기 안테나 패턴의 타측은 상기 복수의 광원 중 적어도 하나의 출사 측에 인접하게 배치되는, 조명 장치.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 기판의 일측에 배치되며, 상기 광원을 구동하는 광원 구동부 및 상기 안테나 패턴에 연결된 근거리 통신부를 갖는 구동 모듈을 포함하며,상기 구동 모듈은 상기 기판의 하면에 접착되거나 상기 기판의 커넥터와 신호 케이블로 연결되는, 조명 장치.
- 제12항에 있어서,상기 레진층 상에 광학 부재 및 상기 복수의 광원 각각의 위에 배치된 복수의 차광부를 포함하며,상기 복수의 차광부 중 적어도 하나는 상기 안테나 패턴과 수직 방향으로 중첩되는, 조명 장치.
- 제12항에 있어서,상기 레진층 상에 반사층을 포함하며,상기 복수의 광원으로부터 방출된 광은 상기 레진층의 어느 한 측면을 통해 추출되는, 조명 장치.
- 후미등, 방향 지시등, 후진등, 제동등, 및 주간 주행등 중 적어도 하나를 갖는 램프를 포함하며,상기 램프는 제1항 내지 제3항 중 어느 한 항에 조명 장치를 갖는 차량 램프.
Priority Applications (4)
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|---|---|---|---|
| EP22870328.6A EP4403825A4 (en) | 2021-09-16 | 2022-09-16 | LIGHTING APPARATUS AND VEHICLE HEADLIGHT COMPRISING SAME |
| US18/691,558 US12228262B2 (en) | 2021-09-16 | 2022-09-16 | Lighting device and vehicle lamp comprising same |
| CN202280062971.1A CN117980657A (zh) | 2021-09-16 | 2022-09-16 | 照明装置及包括该照明装置的车灯 |
| US19/023,887 US20250155101A1 (en) | 2021-09-16 | 2025-01-16 | Lighting device and vehicle lamp comprising same |
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|---|---|---|---|
| KR10-2021-0124388 | 2021-09-16 | ||
| KR1020210124388A KR20230040826A (ko) | 2021-09-16 | 2021-09-16 | 조명 장치 및 이를 구비한 차량 램프 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/691,558 A-371-Of-International US12228262B2 (en) | 2021-09-16 | 2022-09-16 | Lighting device and vehicle lamp comprising same |
| US19/023,887 Continuation US20250155101A1 (en) | 2021-09-16 | 2025-01-16 | Lighting device and vehicle lamp comprising same |
Publications (1)
| Publication Number | Publication Date |
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| WO2023043244A1 true WO2023043244A1 (ko) | 2023-03-23 |
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| US (2) | US12228262B2 (ko) |
| EP (1) | EP4403825A4 (ko) |
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| CN (1) | CN117980657A (ko) |
| WO (1) | WO2023043244A1 (ko) |
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| DE102020112312B3 (de) * | 2020-05-06 | 2021-10-21 | Audi Aktiengesellschaft | Scheinwerfer für ein Kraftfahrzeug |
| KR20240152007A (ko) * | 2023-04-12 | 2024-10-21 | 현대모비스 주식회사 | 이동체 후방용 리어 램프 시스템 및 그 제어방법 |
| WO2025028959A1 (ko) * | 2023-07-28 | 2025-02-06 | 엘지이노텍 주식회사 | 조명 장치 및 램프 |
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- 2022-09-16 EP EP22870328.6A patent/EP4403825A4/en active Pending
- 2022-09-16 US US18/691,558 patent/US12228262B2/en active Active
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Also Published As
| Publication number | Publication date |
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| US20250155101A1 (en) | 2025-05-15 |
| US20240401766A1 (en) | 2024-12-05 |
| KR20230040826A (ko) | 2023-03-23 |
| EP4403825A1 (en) | 2024-07-24 |
| CN117980657A (zh) | 2024-05-03 |
| US12228262B2 (en) | 2025-02-18 |
| EP4403825A4 (en) | 2025-10-15 |
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