KR20080105515A - Led assembly of a lamp for a car - Google Patents

Led assembly of a lamp for a car Download PDF

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Publication number
KR20080105515A
KR20080105515A KR1020070053214A KR20070053214A KR20080105515A KR 20080105515 A KR20080105515 A KR 20080105515A KR 1020070053214 A KR1020070053214 A KR 1020070053214A KR 20070053214 A KR20070053214 A KR 20070053214A KR 20080105515 A KR20080105515 A KR 20080105515A
Authority
KR
South Korea
Prior art keywords
pcb
lamp
casing
led
curved
Prior art date
Application number
KR1020070053214A
Other languages
Korean (ko)
Inventor
이수봉
Original Assignee
아이에이치엘 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 아이에이치엘 주식회사 filed Critical 아이에이치엘 주식회사
Priority to KR1020070053214A priority Critical patent/KR20080105515A/en
Publication of KR20080105515A publication Critical patent/KR20080105515A/en

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Classifications

    • 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
    • B60Q1/2696—Mounting of devices using LEDs
    • 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
    • B60Q1/30—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 for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—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 for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
    • 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]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

An LED assembly of the lamp of automobile is provided to maximize the luminous efficiency of LED by mounting the LED body to be vertical with the PCB. The LED assembly of the lamp of automobile comprises the casing(12), one or more PCBs(13), and a plurality of LEDs(15). The casing is comprised of the outside body. The casing is curved along the curved surface shape of the cover inner circumference of lamp. The casing includes the accommodation space. PCB is inserted into the accommodation space formed in the casing and fixed. PCB is formed at the same coplanar. The LED(Light Emitting Diode) is mounted on the PCB. The light emitting surface(23) of the LED is inserted into the PCB to be vertical with the surface of the PCB.

Description

LED assembly of a lamp

1 is an exploded perspective view of a conventional automobile lamp.

2 is an exploded perspective view showing an LED assembly of another conventional automobile lamp.

3 is an exploded perspective view of a vehicle lamp to which the LED assembly according to the present invention is applied.

4 is an exploded perspective view of the LED assembly shown in FIG. 3.

5 is a partial plan cross-sectional view of FIG. 4.

6 is a partial front view of FIG. 4.

7 is a perspective view showing in detail the LED shown in FIGS.

8 is a perspective view showing another embodiment of the LED of the present invention.

<Description of the symbols for the main parts of the drawings>

1: lamp 3: lamp cover

5 lamp housing 10 body

11 LED Assembly 12 Casing

13: PCB 15: LED

23: rear edge 25: LED body

27: front terminal 29: rear terminal

31: convex lens 33: snap hook

35: connection terminal 37: front edge

The present invention relates to an LED assembly of an automobile lamp, and more particularly, to provide a vehicle or other road user with a continuous crank shape as a light source installed on or in the rear or front of the vehicle to inform the current driving situation. The present invention relates to an LED assembly of an automobile lamp, which makes it possible to manufacture and install a lamp easily and easily at low cost by employing an LED mounted on a substrate.

Generally, the lamp of the car is installed at the front or the rear of the car, and the taillight lamp, the brake lamp, the rear lamp, etc. are used as one device. According to the application, different lamps and different colors and transparent panels are harmonized according to the purpose. By emitting light, driving information such as the position of the car, the driving state, the planned course, and the like is informed to the car or other pedestrians driving behind, enabling the safe driving of the subsequent car as well as his own.

However, the lamp of the car as described above has a lot of influence on the image of the car in the design of the car, it is important to change the shape to have a variety of feelings, so every time the model is changed, as well as functional aspects, aesthetic aspects In consideration of this, various attempts are made to have a design suitable for a changed concept.

In particular, recently, when a lamp using an LED as a light source is in the spotlight, and the lamp is designed with a curved shape rather than a flat shape, a difference in brightness occurs due to a distance difference between the light source and the lamp cover of the lamp, Therefore, the lamp has a problem that it is difficult to implement a uniform illuminance.

Accordingly, in the case of the lamp 101 having a curved shape as described above, in order to realize uniform illuminance while conforming to the curved shape, as shown in FIG. 1, the lamp 101 is bent and formed according to the curved shape of the cover 103. The LED assembly 111 composed of the frame 113 and the plurality of LEDs 115 coupled to the frame is mounted to the lamp housing 105 behind the vehicle body 110. In this case, the LED 115, that is, the light emitting diode element, is a light source for generating back-illuminated light, and a plurality of terminals 117 protrude from the bottom thereof. In addition, the frame 113 to which the LED 115 is fixedly mounted is bent in a step shape as described above and mounted to the lamp housing 105, and at least one LED coupling hole 119 is formed at the center of the horizontal plane by cutting or penetrating. To couple the LEDs 115.

The LED assembly 111 of the lamp 101 configured as described above is vertically mounted by standing the LED 115 in the LED coupling hole 119 of the frame 113, so that the side light of the LED 115 is turned on. Since there is a problem that can not be used to increase the luminous ability of the LED 115, so that the rear light is made by using a light, the metal frame 113 on which the LED 115 is mounted, the cover 103 of In order to bend and form a multi-step staircase to conform to the curved shape, it is necessary to cut and band several times, resulting in deterioration of assembly and productivity due to the hassle of work, and fixing the frame 113 individually. Because it must be durable or vibration resistance also had a problem.

In order to solve this problem, another type of lamp using a flexible PCB has been proposed. The LED assembly used for this lamp includes a casing 212 serving as a frame, a flexible PCB 213 bent along the casing 212, and a flexible PCB (as shown by reference numeral 211 in FIG. 2). 213 is composed of a plurality of LEDs 215 mounted on it. Here, the casing 212 serves to protect while maintaining the bent shape of the flexible flexible PCB 213, and modularizes the LED assembly 211 as a single unit to enable electrical connection and mechanical detachment. In addition, the flexible PCB 213 is bent in a step shape along a curved surface inside the casing 212 curved along the curved shape of the curved lamp to support the plurality of LEDs 215. In addition, the plurality of LEDs 215 mounted on the flexible PCB 213 are all vertically arranged so as to emit rear-facing light as the light source.

As such, the LED assembly 211 employing the flexible PCB can improve the workability because the flexible PCB 213 can be freely and easily bent and processed according to the curved shape of the lamp, but the price of the flexible PCB 213 is increased. Due to the high price, the production cost increased significantly.

An object of the present invention is to install a LED assembly used as a light source of a lamp that is mounted on the front or rear of the car to inform the driving information, such as driving status, location and planned course of the vehicle to other cars or road users so that it can be manufactured at a simple and low cost. This is to increase the productivity of the lamp.

In order to achieve the above object, the present invention comprises an outer body, the casing is curved along the curved shape of the inner circumference of the cover of the lamp, the receiving space is formed therein; At least one PCB inserted into and fixed in an accommodation space formed in the casing, formed on the same plane, and having a shape of a plane inserted into the accommodation space to be curved along a curved shape of the casing; And a plurality of LEDs mounted on the PCB and inserted into the PCB so that the light emitting surface is perpendicular to the surface of the PCB.

Hereinafter, the LED assembly of the vehicle lamp according to a preferred embodiment of the present invention according to the accompanying drawings in detail as follows.

The LED assembly 11 of the lamp according to the invention is a light source of the automobile lamp 1, as shown in Figs. 3 and 4, a casing 12 constituting an outer body, one mounted on the casing 12. The above-described PCB 13 and a plurality of LEDs 15 mounted on the PCB 13.

Here, the casing 12 is a container in which one or more PCBs 13 are stacked and modularized into one, and one surface of the casing 12 is opened so that the LED 15 can be accommodated in an accommodation space formed therein as shown in the drawing. It is mounted in the lamp housing 5 embedded in 10 while maintaining an electrical connection. Thus, the casing 12 is curved with the same or similar curvature radius along the curved surface of the inner circumference of the cover 3 so as not to interfere with the cover 3 covering the lamp housing 5. In addition, the casing 12 is formed at one or more fixing means such as the snap hook 33 at any position, such as the front end of both sides of the front wall toward the front of the vehicle body 10 is to be easily removable to the lamp housing (5) The front end of the connection terminal 35 protrudes to be connected to a connection plug (not shown) installed in the lamp housing 5 to receive power. In addition, the inner surface of the front wall, that is, the bottom surface 14 of the casing 12, is layered in the same shape as the front edge 37 so that the front edge 37 of the PCB 13 can be fitted.

On the other hand, the PCB 13 is inserted and fixedly mounted in the receiving space formed inside the casing 12 as described above not only serves as a substrate for mounting a plurality of LEDs 15, like the general PCB, casing 12 If there is no, it can also serve as a frame for supporting the LED (15).

As such, the PCB 13 mounted in the casing 12 may be manufactured in various shapes and sizes according to the shape or size of the casing 12, that is, the shape or size of the lamp 1, for example, FIG. 3. If the casing 12 is flat as shown in FIG. 6, the casing 12 may be mounted in two rows up and down, and in the case where the casing 12 is thick, two or more rows may be mounted in multiple layers depending on the thickness. Can be.

In particular, the PCB 13 of the LED assembly 11 according to the invention has an array of LEDs 15 mounted thereon along the curved shape of the lamp 1 cover 3, ie the curved shape of the casing 12. In order to bend, it is formed on the same plane as shown in FIGS. 7 and 8, and the shape of the plane inserted into the accommodation space of the casing 12 is curved to follow the curved shape of the casing 12. . Thus, although not shown, the rear edge 39 is curved to the curvature of the rear end face of the casing 12, that is, to the same or similar curvature of the lamp cover 3, or as shown in FIGS. 4 and 5. It is manufactured by cutting from the original flat plate shape so as to be refracted into the crank shape. At this time, each stage 21 has an arbitrary width and length to suit the curvature of the curvature, and the LEDs 15 are aligned one by one along the rear edge 39.

On the other hand, the plurality of LEDs 15 mounted on each end 21 of the PCB 13 refracted as described above is disposed along the curved surface of the PCB 13, even if the planar shape of the PCB 13 is refracted in a crank shape ( 23 is laid on its side so as to be perpendicular to the face of the PCB 13 as shown in FIGS.

Looking at this in more detail as shown in Figures 5 to 7, the LED 15 is largely composed of a body 25, a front terminal 27, and a rear terminal 29, the body 25 is It is in the form of a wide rectangular parallelepiped, and the light emitting surface 23 is inserted into the surface of the PCB 13 to be perpendicular to the surface of the PCB 13.

The front terminal 27 extends long in a surface opposite to the light emitting surface 23 of the body 25, is bent at a right angle at one point, and inserted into the surface of the PCB 13. It extends in the upper portion of the body 25 relatively far from).

The rear terminal 29 extends shortly from the surface opposite to the light emitting surface 23 of the body 25, is bent at a right angle at one point, and inserted into the surface of the PCB 13. It extends in the lower portion of the body 25 relatively close to).

In addition, the LED 15 of the present invention, as shown in Figure 8, the front terminal 27a and the rear terminal 29a extending from one surface of the body 25 is extended from the body 25 in the form of a plate It may be formed.

Now, the operation of the LED assembly 11 of the vehicle lamp 1 according to the preferred embodiment of the present invention configured as described above will be described.

The LED assembly 11 of the present invention basically can modularize a plurality of LEDs 15 as a single component to facilitate handling, assembly, and the like, as well as the appearance of the lamp 1 in the modularization. Even if the lamp cover 3 is curved in an arbitrary curve, the shape of the PCB 13 can be changed to match the curved shape of the cover 3, so that the LED 15 is adapted to the curved shape of the cover 3. It can be arranged to bend.

That is, the PCB 13 is refracted in a multi-stage crank form as shown in FIGS. 4 to 6 and gently bent overall, so that the LED 15 is mounted to face rearward in parallel with the rear edge 39. Nevertheless, as a whole, it can be arranged along the curve of the lamp cover 3 with a gentle curve. The PCB 13 may also be mounted in the casing 12 by stacking one or more layers in multiple layers depending on the thickness of the casing 12, that is, the height thereof, and by simply attaching both ends to the casing 12, the casing 12 may be sufficiently attached. 12) It can be fixed in.

As described above, when one or more PCBs 13 are attached to the casing 12, the plurality of LEDs 15, which are mounted on the PCB 13, laid down on each PCB 13, form a layer and mutually, and a lamp cover 3 It is arranged at regular intervals and to give a uniform distribution and brightness along the curve of the casing 12 of the PCB 13, and furthermore the inner circumferential surface of the lamp cover (3).

When the casing 12, the PCB 13, and the LED 15 are thus modularized into one component as the LED assembly 11, the LED assembly 11 in the lamp housing 5, as shown in FIG. 3. The lamp 1 having any curved shape can be easily assembled simply by electrically connecting and).

As described above, according to the LED assembly of the automobile lamp of the present invention, in manufacturing the LED assembly used as a light source of the lamp which is mounted on the front or rear of the vehicle body to inform various driving information of the vehicle to other cars or road users, Regardless of how the shape of the lamp cover is curved, the cross-sectional shape of the casing, which determines the appearance of the LED assembly, can be curved to match the curved shape of the lamp cover. By refracting the planar shape in a continuous multistage crank form, it is possible to bend smoothly along the cross-sectional shape of the casing and further the curved shape of the lamp cover. Therefore, LEDs mounted one by one at each end of a straight line PCB can be arranged in a curved state along the curved shape of the lamp cover while being disposed to face the rear.

At the same time, the LED body can be laid on the side to be perpendicular to the PCB, so that the emitting surface of the LED mounted on the PCB can face the front while mounting the PCB on the inner sidewall of the casing, improving the luminous efficiency of the LED. It can be maximized.

As such, when the LED assembly according to the present invention is to be curved to conform to the curved shape of the lamp, it is sufficient to cut the flat plate PCB so as to be refracted into a multi-rank crank shape that matches the curved shape of the lamp. Regardless of the shape of the three-dimensional curved surface, it is possible to realize a curved surface at a simple and low cost regardless of the shape of the three-dimensional curved surface. You can do it.

Claims (3)

A casing 12 constituting an outer body, curved along a curved shape of the inner circumference of the cover 3 of the lamp 1, and having an accommodation space therein; Is inserted into and fixed in the receiving space formed inside the casing 12, is formed on the same plane, the shape of the plane inserted into the receiving space is curved to follow the curved shape of the casing 12 PCB 13 or more; And A plurality of LEDs 15 mounted on the PCB 13 and inserted into the PCB 13 such that the light emitting surface 23 is perpendicular to the surface of the PCB 13; LED assembly of the lamp. The method of claim 1, The PCB (13) is an LED lamp assembly of the car lamp, characterized in that the stage (21) in the form of a multi-stage crank so that the planar shape is refracted along the curved shape of the casing (12). The method according to claim 1 or 2, The LED 15, A body 25 in which the light emitting surface 23 is formed to be perpendicular to the surface of the PCB 13; A front terminal 27 extending long on the surface opposite to the light emitting surface 23 of the body 25 and bent at a right angle at one point; And A short terminal extending from a surface opposite to the light emitting surface 23 of the body 25 and bent at a right angle at one point thereof; The front terminal 27 is an upper portion of the body 25 relatively far from the PCB 13, and the rear terminal 29 is a lower portion of the body 25 relatively close to the PCB 13. LED assemblies of the car lamp, characterized in that each extending from.
KR1020070053214A 2007-05-31 2007-05-31 Led assembly of a lamp for a car KR20080105515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070053214A KR20080105515A (en) 2007-05-31 2007-05-31 Led assembly of a lamp for a car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070053214A KR20080105515A (en) 2007-05-31 2007-05-31 Led assembly of a lamp for a car

Publications (1)

Publication Number Publication Date
KR20080105515A true KR20080105515A (en) 2008-12-04

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Family Applications (1)

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KR1020070053214A KR20080105515A (en) 2007-05-31 2007-05-31 Led assembly of a lamp for a car

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652963B1 (en) * 2015-12-31 2016-09-01 에코캡 주식회사 assembly method for metal pcb with multilatera
KR101656501B1 (en) * 2015-12-31 2016-09-12 에코캡 주식회사 back plate for daytime running light module
WO2017116035A1 (en) * 2015-12-31 2017-07-06 에코캡 주식회사 Rear combination lamp
WO2017116142A1 (en) * 2015-12-31 2017-07-06 에코캡 주식회사 Metal pcb, headlight module having metal pcb applied thereto, and method for assembling headlight module
KR20180050845A (en) * 2016-11-07 2018-05-16 에코캡 주식회사 (method for manufacture metal PCB with base bending
WO2020045699A1 (en) * 2018-08-28 2020-03-05 제트카베 그룹 게엠베하 Vehicle lamp using semiconductor light-emitting device
KR102100188B1 (en) * 2019-11-18 2020-04-14 (주)코리아씨티씨 Portable mugwort moxibustion apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652963B1 (en) * 2015-12-31 2016-09-01 에코캡 주식회사 assembly method for metal pcb with multilatera
KR101656501B1 (en) * 2015-12-31 2016-09-12 에코캡 주식회사 back plate for daytime running light module
WO2017116035A1 (en) * 2015-12-31 2017-07-06 에코캡 주식회사 Rear combination lamp
WO2017116142A1 (en) * 2015-12-31 2017-07-06 에코캡 주식회사 Metal pcb, headlight module having metal pcb applied thereto, and method for assembling headlight module
US10247378B2 (en) 2015-12-31 2019-04-02 Ecocab.Co., Ltd Metal PCB, headlight module having metal PCB applied thereto, and method for assembling headlight module
KR20180050845A (en) * 2016-11-07 2018-05-16 에코캡 주식회사 (method for manufacture metal PCB with base bending
WO2020045699A1 (en) * 2018-08-28 2020-03-05 제트카베 그룹 게엠베하 Vehicle lamp using semiconductor light-emitting device
CN112639353A (en) * 2018-08-28 2021-04-09 Zkw集团有限责任公司 Vehicle lamp using semiconductor light emitting device
CN112639353B (en) * 2018-08-28 2024-05-10 Zkw集团有限责任公司 Vehicle lamp using semiconductor light emitting device
KR102100188B1 (en) * 2019-11-18 2020-04-14 (주)코리아씨티씨 Portable mugwort moxibustion apparatus

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