KR20170102611A - Led lamp for automobile courtesy light and its manufacturing method - Google Patents

Led lamp for automobile courtesy light and its manufacturing method Download PDF

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Publication number
KR20170102611A
KR20170102611A KR1020160024887A KR20160024887A KR20170102611A KR 20170102611 A KR20170102611 A KR 20170102611A KR 1020160024887 A KR1020160024887 A KR 1020160024887A KR 20160024887 A KR20160024887 A KR 20160024887A KR 20170102611 A KR20170102611 A KR 20170102611A
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KR
South Korea
Prior art keywords
led
lens
synthetic resin
led element
light
Prior art date
Application number
KR1020160024887A
Other languages
Korean (ko)
Inventor
이지훈
Original Assignee
주식회사 반디
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 주식회사 반디 filed Critical 주식회사 반디
Priority to KR1020160024887A priority Critical patent/KR20170102611A/en
Publication of KR20170102611A publication Critical patent/KR20170102611A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/90—Methods of manufacture
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
    • F21W2101/08—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources

Abstract

The present invention relates to an LED lamp for an automobile interior and a method of manufacturing the same, and more particularly to an LED lamp for an automobile interior lamp and a method of manufacturing the same, which comprises an LED element (14) fixed on one surface of a substrate (12), a silicon layer (16) for preventing the melted synthetic resin from spreading The LED element 14 is coated with a molten synthetic resin containing a light diffusing agent and cured to protrude and form a lens 18 serving as a cover to protect the LED element 14 from external impact or moisture And prevents a point light source phenomenon when a plurality of LED elements 14 are installed. The lens 18 allows a beam angle to be widened and a light diffusing agent distributed in the lens 18 as a whole So that light can be obtained by light diffusion.

Description

TECHNICAL FIELD [0001] The present invention relates to an LED lamp for an automobile interior lamp,

The present invention relates to an LED lamp for an automobile interior lamp, and more particularly to an LED lamp for an automobile interior.

A registered trademark 10-1519983 has already been proposed for an automobile interior lamp for an automobile interior that is configured to be used in place of a conventional halogen lamp in a map lamp and a room lamp.

However, since the above-described LED lamp for an automobile interior lamp is formed by connecting one or more LED elements to one surface of a substrate, which is merely an outer shape, depending on the illuminance to be obtained, the LED element is exposed in a protruding state without any protecting means. And when the impact is applied, it easily breaks down, leading to a loss of function. Also, when moisture or various foreign matter penetrates, it leads to a loss of function due to a short circuit, resulting in a financial loss.

Further, when a plurality of LED elements are installed according to the desired illuminance, the eye fatigue due to the point light source phenomenon is increased, and the beam angle (110 ° to 120 °) inherent to the LED device and the light having a given illuminance can not be obtained. There is a problem that the manufacturing cost is increased because the installation number of the LED device must be increased.

Patent No. 10-1519983 'LED lamp for automobile interior lamp'

An object of the present invention is to provide a light source device capable of eliminating a point light source phenomenon when a plurality of LED elements are provided without the risk of loss of function of an LED element due to an external impact or moisture infiltration or the like, And to provide an LED lamp for an automobile interior light and a method of manufacturing the same.

In order to accomplish the above object, the present invention provides an LED lamp for an automobile interior light and a method of manufacturing the same, wherein an LED element installed and fixed on one surface of a substrate is provided with a silicon layer for preventing spread of molten synthetic resin, And the lens is covered with a synthetic resin in a molten state including a diffusing agent and then cured to form a lens on the LED element.

The LED lamp 10 for an automobile interior light is easy to handle and construct because there is no fear of loss of function of the LED device 14 due to an external impact owing to the lens 18 that covers and protects the LED device 14 as a whole It is also possible to eliminate the loss of function due to the infiltration of water and various foreign substances.

In addition, even when a plurality of LED elements 14 are provided, the lens 18 can prevent the point light source phenomenon at the time of lighting, and the eye fatigue can be lowered.

The lens 18 surrounding the LED 14 when the LED 14 is turned on refracts the light of the LED 14 so that the LEDs 14 And the light diffusing agent distributed throughout the lens 18 diffuses the light. Therefore, the number of the LED elements 14 required to obtain the desired illuminance can be reduced, thereby reducing the manufacturing cost It is possible to do the same.

1: perspective view of one embodiment of the present invention
2: exploded perspective view of one embodiment of the present invention
3: sectional configuration diagram of one embodiment of the present invention
4: perspective view of another embodiment of the present invention
5 is an exploded perspective view of another embodiment of the present invention.
6: perspective view of another embodiment of the present invention
7: exploded perspective view of another embodiment of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate like elements in the drawings, It will be omitted for the sake of clarity.

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is an exploded perspective view of an embodiment of the present invention, and FIG. 3 is a cross-sectional view of an embodiment of the present invention. One or more LED elements 14 are mounted and fixed on one surface of the LED element 12 on the surface of the LED element 14 on which the LED element 14 is mounted, After the formation of the silicon layer 16, the LED element 14 is coated with molten synthetic resin convexly and then cured to project a lens 18 serving as a coating on the LED element 14 .

The silicon layer 16 formed by bending the LED element 14 on the substrate 12 before forming the lens 18 convexly covers the LED element 14 with the molten synthetic resin to form the lens 18, The lens 18 can be formed by curing the melted synthetic resin in a given convex shape while preventing the spread of the melted synthetic resin. In addition to silicon, a coating layer having a function of preventing the spread of molten synthetic resin is formed or spread The present invention is satisfactory if it has a spread preventing means on the substrate 12 when the LED element 14 is covered with the liquid synthetic resin convexly.

As the synthetic resin forming the lens 18, an epoxy resin and a urethane resin having transparency for allowing light to pass therethrough are used, and such a synthetic resin may be used alone, but an appropriate amount of a light diffusing agent may be mixed and used in a synthetic resin .

That is, in the present invention, the lens 18 basically protrudes convexly on the LED element 14 while covering the LED element 14 to protect the LED element 14 so as to widen the beam angle when the LED element 14 is lit However, if an appropriate amount of the light diffusing agent is mixed in the synthetic resin, light can be obtained by light diffusion by the light diffusing agent upon lighting of the LED element 14, It is preferable that a synthetic resin is mixed with an appropriate amount of a light diffusing agent to have a light diffusing function.

It is most preferable to mix the synthetic resin and the light diffusing agent at a weight ratio of 8: 2 to 6: 4 in the repeated test results. However, the present invention can form the lens 18 alone with the synthetic resin, The mixing ratio of the light diffusing agent to the synthetic resin is satisfactory unless the shape of the lens 18 is difficult to maintain due to the light diffusing agent.

FIG. 4 is a perspective view of another embodiment of the present invention, FIG. 5 is an exploded perspective view of another embodiment of the present invention, FIG. 6 is a perspective view of still another embodiment of the present invention, and FIG. 7 is an exploded perspective view of still another embodiment of the present invention, 4 and 5, the LED lamp 10 of the type in which a plurality of LED elements 14 are fixed to one side of the substrate 12 is provided with a lens 18 for covering all the LED elements 14 6 and 7, a plurality of LED elements 14 may be mounted on the front surface of the substrate 12 so as to cover all of the LED elements 14, The present invention can be applied to a case in which the synthetic resin lens 18 is attached to the LED element 14 regardless of the shape of the substrate 12, the connection position of the LED element 14, and the number of LED elements 14 to be used. (14) as a whole, Projecting convexly from 14 to satisfy both as far as to give a further widen the beam angle of the LED elements 14.

Therefore, the present invention can be applied not only to an LED lamp used in an automobile interior lamp but also to all LED lamps in which one or more LED elements are installed and fixed on a substrate, such as an LED lamp used for a car turn signal lamp, And will fall within the technical scope of the invention.

The LED lamp 10 for an automobile interior light which is obtained through the present invention has the lens 18 entirely enclosing the LED element 14 so that there is no risk of damage to the LED element 14 due to an external impact during handling and installation, The construction can be easily performed and the loss of function due to the infiltration of moisture and various foreign substances can be eliminated.

In addition, when the LED element 14 is turned on, the light is emitted through the lens 18 including the light diffusing agent. Therefore, even when a plurality of LED elements 14 are used, You can give it.

The light emitted from the LED element 14 is refracted by the lens 18 and irradiated at a beam angle of 120 to 140 degrees wider than the beam angle (110 to 120 degrees) inherent to the LED element 14, 18, the light diffusing agent distributed over the light diffuses light so that it can irradiate more light.

As described above, the present invention is not limited to the above-described embodiments and the accompanying drawings, and various changes, modifications and variations can be made without departing from the technical spirit of the present invention. It will be apparent to those skilled in the art that the present invention is not limited thereto.

(10) - LED lamp (12) - substrate
(14) - LED device (16) - Silicon layer
(18) - Lens

Claims (5)

One or more LED elements 14 are fixed on one surface of the substrate 12 so as to be convexly coated with molten synthetic resin and then cured to protrude and form a lens 18 serving as a coating on the LED elements 14 LED lamp for automobile interior light. Characterized in that an LED element (14) having at least one fixedly mounted on one surface of a substrate (12) is convexly coated with molten synthetic resin and then hardened so that a lens (18) A method of manufacturing an LED lamp. The method as claimed in claim 2, wherein before the lens (18) is formed by covering the LED element (14) convexly with molten synthetic resin, the LED element (14) Wherein a silicon layer (16) is formed on the silicon substrate (10). The method according to claim 2, wherein epoxy resin and urethane resin having transparency are selectively used as the synthetic resin forming the lens (18). 3. The method according to claim 2, wherein the synthetic resin comprises a light diffusing agent.
KR1020160024887A 2016-03-02 2016-03-02 Led lamp for automobile courtesy light and its manufacturing method KR20170102611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160024887A KR20170102611A (en) 2016-03-02 2016-03-02 Led lamp for automobile courtesy light and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160024887A KR20170102611A (en) 2016-03-02 2016-03-02 Led lamp for automobile courtesy light and its manufacturing method

Publications (1)

Publication Number Publication Date
KR20170102611A true KR20170102611A (en) 2017-09-12

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Family Applications (1)

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KR1020160024887A KR20170102611A (en) 2016-03-02 2016-03-02 Led lamp for automobile courtesy light and its manufacturing method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102152056B1 (en) 2019-04-29 2020-09-04 주식회사 반디 Led lamp for automobile
KR20210046976A (en) 2019-10-21 2021-04-29 주식회사 반디 Led lamp for automobile
KR20220150564A (en) 2021-05-04 2022-11-11 셀리온 주식회사 Led lamp with built-in resistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102152056B1 (en) 2019-04-29 2020-09-04 주식회사 반디 Led lamp for automobile
KR20210046976A (en) 2019-10-21 2021-04-29 주식회사 반디 Led lamp for automobile
KR20220150564A (en) 2021-05-04 2022-11-11 셀리온 주식회사 Led lamp with built-in resistor

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