CN110778925A - Light guide body and LED lamp using same - Google Patents

Light guide body and LED lamp using same Download PDF

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Publication number
CN110778925A
CN110778925A CN201910839825.5A CN201910839825A CN110778925A CN 110778925 A CN110778925 A CN 110778925A CN 201910839825 A CN201910839825 A CN 201910839825A CN 110778925 A CN110778925 A CN 110778925A
Authority
CN
China
Prior art keywords
light
light guide
guide body
face
film layer
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910839825.5A
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Chinese (zh)
Inventor
赵焕兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU FUXING ELECTRICAL APPLIANCE Co Ltd
Original Assignee
CHANGZHOU FUXING ELECTRICAL APPLIANCE Co Ltd
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 CHANGZHOU FUXING ELECTRICAL APPLIANCE Co Ltd filed Critical CHANGZHOU FUXING ELECTRICAL APPLIANCE Co Ltd
Priority to CN201910839825.5A priority Critical patent/CN110778925A/en
Publication of CN110778925A publication Critical patent/CN110778925A/en
Pending legal-status Critical Current

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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
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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

Abstract

The invention belongs to the technical field of lighting, and particularly relates to a light guide body which comprises a first light guide end face facing a light source, a second light guide end face opposite to the first light guide end face, and a light guide side face arranged between the first light guide end face and the second light guide end face. According to the invention, the light-proof film layer is arranged, the light-transmitting grains are arranged on the light-proof film layer, and light rays are emitted through the light-transmitting grains, so that the effect of condensing luminous points is achieved, the effects of enhancing luminous and guiding light are achieved, the brightness of the light is ensured to meet the requirement of illumination, and meanwhile, the light-transmitting grains can also play a role of decoration.

Description

Light guide body and LED lamp using same
Technical Field
The invention belongs to the technical field of illumination, and particularly relates to a light guide body and an LED lamp using the same.
Background
Most of the common illuminating lamps in the market at present are composed of incandescent lamps and common LED bulb patches or strips. The incandescent lamp adopts a filament support in a bulb shell, and the filament on the filament support is used for emitting light. Incandescent lamps suffer from short filament life, complex manufacturing process, high manufacturing cost, and low production efficiency. The common LED bulb has the manufacturing problem of a similar production process, and simultaneously cannot achieve the decorative effect of an incandescent lamp, so that people use the LED lamp with the light guide body, the bottom of the light guide body is in contact with the light emitting body, and light is transmitted in the light guide body by means of total internal emission. However, light is often emitted from the side of the light guide body, which affects the light intensity of the light-emitting region, resulting in an unsatisfactory light guide effect, affecting the lighting effect, and some light guides can only be used as decorative lights, which cannot meet the lighting requirement.
Disclosure of Invention
The invention aims to solve the problem of poor lighting effect of a light guide body in the prior art, and provides the light guide body which can improve the lighting effect and play a role in decoration and an LED lamp using the light guide body.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the light guide body comprises a first light guide end face facing a light source, a second light guide end face opposite to the first light guide end face, and a light guide side face arranged between the first light guide end face and the second light guide end face, wherein a light-tight film layer is arranged on the outer wall of the light guide side face, and light-transmitting grains are arranged on the light-tight film layer.
Preferably, the light guide body is a solid or hollow cylinder, and the second light guide end surface is a plane or a wavy surface.
Preferably, the light guide is a planar sheet-like body.
Preferably, the light-tight film layer is tightly wrapped on the outer wall of the light guide side face in a vacuum coating or spraying or electroplating mode.
Preferably, a plurality of annular light-transmitting grains are densely distributed on the light-proof film layer.
Preferably, a plurality of light-transmitting grains which are arranged in a V shape and are sequentially connected are densely distributed on the light-proof film layer.
Preferably, the light-tight film layer is also provided with wave-shaped light-transmitting grains.
The utility model provides a LED lamp, includes above-mentioned light conductor, lamp holder, lamp shade and connecting piece, lamp holder and lamp shade are connected to the connecting piece, be equipped with LED luminous element and the power of connecting through the wire in the lamp holder, the light conductor is located the lamp shade and is connected with the connecting piece, the first leaded light terminal surface of light conductor corresponds the setting of LED luminous element, and is equipped with the printing opacity piece between first leaded light terminal surface and the LED luminous element.
Preferably, the connecting piece is provided with an external thread, and the connecting piece is connected with the lamp holder and the lampshade through threads.
Preferably, a heat dissipation part is further arranged between the connecting part and the light guide body, and a first buckle connected with the light guide body and a second buckle connected with the connecting part are arranged on the heat dissipation part.
After the technical scheme is adopted, the light guide body and the LED lamp using the light guide body have the following beneficial effects:
according to the invention, the light-tight film layer is arranged on the side wall of the light guide body, and the light-transmitting grains are arranged on the light-tight film layer, so that light rays are emitted through the light-transmitting grains, the function of condensing light-emitting points can be achieved, the effects of enhancing light-emitting and light-guiding are achieved, the brightness of light is ensured to meet the requirement of illumination, and meanwhile, the light-transmitting grains can also play a role of decoration; in addition, in the preferred scheme of the invention, the end part of the light guide body, which is far away from the light source, is in a wave shape, so that the light-gathering effect can be realized, the problem of light emission at the end part of the light guide body is solved, and the light emission of the whole lamp body is more uniform and softer; in conclusion, compared with the incandescent lamp, the service life of the bulb is prolonged, the manufacturing process is simplified, and the manufacturing cost is reduced; compared with the common LED lamp, the LED lamp can ensure the illumination intensity and improve the decorative effect at the same time.
Drawings
FIG. 1 is an exploded view of a first configuration of an LED lamp using a light guide of the present invention;
FIG. 2 is a schematic view of a first structure of an LED lamp using a light guide according to the present invention;
FIG. 3 is a schematic diagram of a second structure of an LED lamp using a light guide according to the present invention;
FIG. 4 is a schematic diagram of a third structure of an LED lamp using a light guide of the present invention;
FIG. 5 is a schematic diagram of a fourth configuration of an LED lamp using a light guide according to the present invention;
fig. 6 is a fifth structural schematic diagram of an LED lamp using a light guide of the present invention.
Wherein: the LED light guide structure comprises a first light guide end face 1, two light guide end faces 2, a light guide side face 3, a light-tight film layer 4, light-transmitting grains 5, a lamp holder 6, a lampshade 7, a connecting piece 8, an LED luminous body 9, a power supply 10, a light-transmitting sheet 11, a heat radiating piece 12, a first buckle 13 and a second buckle 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
As shown in fig. 1-2, the light guide body provided by this embodiment is cylindrical, and includes a first light guide end face 1 facing the light source, a second light guide end face 2 opposite to the first light guide end face, and a light guide side face 3 disposed between the first light guide end face and the second light guide end face, a light-tight film layer 4 is disposed on the outer wall of the light guide side face 3, a light-transmitting texture 5 is provided on the light-tight film layer 4, and a light-transmitting texture 5 is provided on the light-tight film layer 4, so that light can be emitted through the light-transmitting texture 5 to serve as a condensation light-emitting point, thereby enhancing the effects of light emission and light guide, ensuring the brightness of light to meet the illumination requirement, and the light-transmitting texture 5 can also serve as a decoration effect.
Further, the light guide body is hollow cylinder physique, second leaded light terminal surface 2 is the wave shape face, both can play the effect of spotlight, can make luminous more even, soft again, light tight rete 4 closely wraps up on the outer wall of leaded light side 3 through vacuum coating or spraying or the mode of electroplating, can avoid unnecessary light to jet out from the side and influence the light intensity, it has a plurality of "V" shape arrangements that are to gather on light tight rete 4, and the printing opacity line 5 that connects gradually, still be equipped with wave printing opacity line 5 on light tight rete 4.
It should be noted that, in the embodiment, as shown in fig. 3, the light guide body may be a solid cylinder according to the needs, and the light guide body may be made of transparent or opaque material, as long as the light guide body can guide light; the second light guide end surface 2 may also be a plane for guiding light, and is not particularly limited herein.
The LED lamp provided by this embodiment adopts the above light guide body, and further includes a lamp holder 6, a lampshade 7 and a connector 8, wherein the connector 8 connects the lamp holder 6 and the lampshade 7, specifically, the connector 8 is provided with an external thread, the connector 8 is connected with the lamp holder 6 and the lampshade 7 through a thread, the lamp holder 6 is provided with an LED light emitting body 9 and a power supply 10 connected through a wire, the light guide body is located in the lampshade 7 and connected with the connector 8, a heat dissipating member 12 is further provided between the connector 8 and the light guide body for dissipating heat inside the lamp holder 6 to prevent the temperature inside the lamp holder 6 from being too high, the heat dissipating member 12 is provided with a first buckle 13 connected with the light guide body and a second buckle 14 connected with the connector 8, so as to ensure tight connection between the heat dissipating member 12 and the light guide body and the connector 8, and prevent shaking, the first light guide end face 1 of the light guide body is, and a light-transmitting sheet 11 is arranged between the first light-guiding end face 1 and the LED luminous body 9.
Example two
As shown in fig. 4 to 5, the light guide provided in this embodiment has a structure substantially the same as that of the first embodiment, except that the opaque film layer 4 is densely distributed with annular light-transmitting lines 5.
The LED lamp provided by this embodiment adopts the above light guide body, and further includes a lamp holder 6, a lampshade 7 and a connector 8, wherein the connector 8 connects the lamp holder 6 and the lampshade 7, specifically, the connector 8 is provided with an external thread, the connector 8 is connected with the lamp holder 6 and the lampshade 7 through a thread, the lamp holder 6 is provided with an LED light emitting body 9 and a power supply 10 connected through a wire, the light guide body is located in the lampshade 7 and connected with the connector 8, a heat dissipating member 12 is further provided between the connector 8 and the light guide body for dissipating heat inside the lamp holder 6 to prevent the temperature inside the lamp holder 6 from being too high, the heat dissipating member 12 is provided with a first buckle 13 connected with the light guide body and a second buckle 14 connected with the connector 8, so as to ensure tight connection between the heat dissipating member 12 and the light guide body and the connector 8, and prevent shaking, the first light guide end face 1 of the light guide body is, and a light-transmitting sheet 11 is arranged between the first light-guiding end face 1 and the LED luminous body 9.
EXAMPLE III
As shown in fig. 6, the difference between the light guide provided in this embodiment and the first and second embodiments is that the light guide is a planar sheet, and the light-transmitting texture 5 on the light-impermeable film layer 4 is an animal pattern.
In the LED lamp provided by this embodiment, by using the light guide body, the light guide body is vertically inserted into the lamp holder 6, the first light guide end surface 1 vertically inserted into the lamp holder 6 contacts with the LED light emitting body 9 in the lamp holder 6, and the LED light emitting body 9 is connected to the power supply 10 through a wire.
It should be noted that the structure of the present invention is not limited to the structure of the above embodiment, and the shape of the light guide is not limited to the shape of a cylinder and a flat sheet, and may also be a shape of a diamond, a square, a strip, etc., and may also be made into a light guide plate; the light-transmitting texture 5 may be a circular ring, a "V" shape, an animal pattern, or other patterns, so as to achieve the effects of condensing, transmitting and decorating, and is not limited herein.
In conclusion, compared with the incandescent lamp, the service life of the bulb is prolonged, the manufacturing process is simplified, and the manufacturing cost is reduced; compared with the common LED lamp, the LED lamp can ensure the illumination intensity and improve the decorative effect; therefore, the invention has wide market prospect and is worth popularizing and utilizing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a light guide, includes first leaded light terminal surface (1) towards the light source, second leaded light terminal surface (2) relative with first leaded light terminal surface, sets up leaded light side (3) between first leaded light terminal surface and second leaded light terminal surface, its characterized in that: the light guide structure is characterized in that a light-tight film layer (4) is arranged on the outer wall of the light guide side face (3), and light-transmitting grains (5) are arranged on the light-tight film layer (4).
2. A light guide according to claim 1, wherein: the light guide body is a solid or hollow cylinder, and the second light guide end face (2) is a plane or a wavy surface.
3. A light guide according to claim 1, wherein: the light guide body is a planar sheet-shaped body.
4. A light guide according to claim 1, wherein: the light-tight film layer (4) is tightly wrapped on the outer wall of the light guide side surface (3) in a vacuum coating or spraying or electroplating mode.
5. A light guide according to claim 1, wherein: and a plurality of annular light-transmitting grains (5) are densely distributed on the light-proof film layer (4).
6. A light guide according to claim 1, wherein: a plurality of light-transmitting grains (5) which are arranged in a V shape and are connected in sequence are densely distributed on the light-proof film layer (4).
7. The light guide of claim 6, wherein: the light-tight film layer (4) is also provided with wave-shaped light-transmitting grains (5).
8. An LED lamp, characterized in that: the light guide body comprises the light guide body according to any one of claims 1 to 7, a lamp holder (6), a lamp shade (7) and a connecting piece (8), wherein the connecting piece (8) is connected with the lamp holder (6) and the lamp shade (7), an LED luminous body (9) and a power supply (10) which are connected through a lead are arranged in the lamp holder (6), the light guide body is positioned in the lamp shade (7) and is connected with the connecting piece (8), a first light guide end face (1) of the light guide body is arranged corresponding to the LED luminous body (9), and a light transmitting sheet (11) is arranged between the first light guide end face (1) and the LED luminous body (9).
9. An LED lamp as claimed in claim 8, wherein: the lamp holder is characterized in that an external thread is arranged on the connecting piece (8), and the connecting piece (8) is connected with the lamp holder (6) and the lamp shade (7) through threads.
10. An LED lamp as claimed in claim 8, wherein: still be equipped with heat dissipation piece (12) between connecting piece (8) and the light guide body, heat dissipation piece (12) are gone up and are had first buckle (13) of being connected with the light guide body and second buckle (14) of being connected with connecting piece (8).
CN201910839825.5A 2019-09-06 2019-09-06 Light guide body and LED lamp using same Pending CN110778925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910839825.5A CN110778925A (en) 2019-09-06 2019-09-06 Light guide body and LED lamp using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910839825.5A CN110778925A (en) 2019-09-06 2019-09-06 Light guide body and LED lamp using same

Publications (1)

Publication Number Publication Date
CN110778925A true CN110778925A (en) 2020-02-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910839825.5A Pending CN110778925A (en) 2019-09-06 2019-09-06 Light guide body and LED lamp using same

Country Status (1)

Country Link
CN (1) CN110778925A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586971A (en) * 2021-08-06 2021-11-02 佘晓峰 Lighting bulb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586971A (en) * 2021-08-06 2021-11-02 佘晓峰 Lighting bulb

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