CN108506755B - LED bulb lamp adopting combined light guide body - Google Patents
LED bulb lamp adopting combined light guide body Download PDFInfo
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- CN108506755B CN108506755B CN201810534595.7A CN201810534595A CN108506755B CN 108506755 B CN108506755 B CN 108506755B CN 201810534595 A CN201810534595 A CN 201810534595A CN 108506755 B CN108506755 B CN 108506755B
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- light guide
- guide body
- plug
- parts
- led bulb
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- 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
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
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- 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
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
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- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of LED illumination, in particular to an LED bulb lamp adopting combined light guide bodies, which comprises at least two light guide bodies, wherein each light guide body is mutually inserted with the other light guide body, and a fine line-shaped gap is formed at the opposite insertion position, and the LED bulb lamp has the advantages that: the light guide bodies are mutually spliced to form the fine-line-shaped gap, so that laser engraving scribing is replaced, meanwhile, the splicing faces on two sides of the fine-line-shaped gap are frosted, diffuse reflection occurs when light passes through the gap to generate floodlight, and a fine-light-emitting line is formed; and the light in the light guide body is weakened layer by layer through the gaps, so that the brightness of the light emitting end of the light guide body is reduced, and the effect of uniform overall light emission of the light guide body is achieved.
Description
Technical Field
The invention relates to an LED bulb lamp adopting a combined light guide body, and belongs to the technical field of LED illumination.
Background
An incandescent lamp is a lamp which emits heat and light by using a tungsten filament, and an incandescent lamp which adopts an elongated tungsten filament is commercially available, wherein the tungsten filament is soft and can be folded into various shapes to form luminous lines with various shapes, and the luminous lines are commonly used as decorative lamps. But the decorative lamp has low light efficiency, large energy consumption and short service life. With the popularization of LED application, the LED lamp strip is adopted to replace tungsten wires, but the width of the LED lamp strip is larger, so that the light-emitting effect of the thin tungsten wires is difficult to achieve. In order to solve the problem, the prior art adopts carving fine wires on a light guide body, and light emitted by an LED light source plate is LED into the light guide body, so that the carved fine wires floodlight to generate a fine wire-shaped luminous effect, and the luminous effect similar to a fine tungsten lamp is achieved. However, this type of lamp has the following drawbacks: the carving thin line on the light guide body needs to adopt laser carving, and the degree of difficulty is big, and is slow, and is with high costs, and light-emitting end luminance of light guide body is higher simultaneously, leads to luminous inhomogeneous.
Disclosure of Invention
In order to solve the defects, the invention provides the LED bulb lamp adopting the combined light guide bodies, and the combination of the light guide bodies is utilized to form a fine line-shaped gap at the joint, so that a laser engraving technology is not needed, the production cost and the processing difficulty are reduced, and the whole light of the light guide bodies is more uniform.
In order to achieve the above object, the technical scheme of the present invention is as follows:
an LED bulb lamp adopting combined light guide bodies comprises at least two light guide bodies, wherein each light guide body is mutually inserted with the other light guide body, and a fine-line-shaped gap is formed at the opposite insertion position.
Further, the fine line-shaped slit is a straight line, a curve, a broken line or any combination of the straight line, the curve and the broken line.
Further, the light guides which are mutually opposite to each other are connected end to end in a fine line-shaped gap formed at the opposite-to-end position.
Further, the insertion end face of each light guide body is subjected to frosting treatment.
Further, the LED bulb lamp further comprises a light guide body connecting piece, the lower end of each light guide body is provided with a slot, and the light guide bodies are inserted on the light guide body connecting piece through the slots.
Further, a plurality of empty slots are formed in the light guide body connecting piece, connecting plates are arranged between the adjacent empty slots, LED lamp beads on the LED bulb lamps are arranged at the bottoms of the empty slots, and slots at the lower end of the light guide body are inserted into the connecting plates to fix the light guide body.
Further, the number of the light guide bodies is two, the light guide bodies are divided into a light guide body main body and a light guide body plug-in connector, the light guide body main body is of a columnar structure, plug-in parts protruding outwards are vertically arranged on the outer surface of the light guide body main body at intervals, the upper ends of adjacent plug-in parts are connected into a whole, and the lower ends of the adjacent plug-in parts are not connected; the light guide body plug body is of a hollow columnar structure, the upper parts of the light guide body plug bodies are vertically provided with opposite plug parts at intervals, the lower ends of adjacent opposite plug parts are connected into a whole, the upper ends of the adjacent opposite plug parts are separated, and the shape of the opposite plug parts is matched with the shape of the adjacent plug parts; the light guide body plug body is mutually plugged with the light guide body through the opposite plug part.
Further, the number of the light guide bodies is three, and the light guide bodies are divided into a light guide body positioned in the middle and two light guide body plug-in connectors positioned on two sides of the light guide body; the light guide body is of a quadrangular prism structure, the four outer surfaces of the light guide body are transversely provided with outwards-protruding plug-in parts at intervals, the same ends of adjacent plug-in parts are connected into a whole, and the other ends of the adjacent plug-in parts are separated; the section of the light guide body plug body presents a triangular structure with one end open, opposite plug parts are transversely arranged at two sides of the open end of the light guide body plug body at intervals, adjacent opposite plug parts are separated near the open end, the other ends of the adjacent opposite plug parts are connected into a whole, and the shape of the opposite plug parts is matched with that of the adjacent plug parts; the two light guide body plug bodies are respectively plugged with the light guide body through the opposite plug parts.
Further, the number of the light guide bodies is three, and the light guide bodies are divided into a light guide body positioned in the middle and two light guide body plug-in connectors positioned on two sides of the light guide body; the light guide body is of a square columnar structure, wherein a group of two opposite outer surfaces are provided with transverse sinuous ribs, two sides of each rib form a concave inserting part relative to the rib, and the other group of two opposite outer surfaces of the light guide body are of a plane structure; the two light guide body plug bodies are of a half-frame structure formed by encircling three surfaces, two parallel and opposite surfaces are respectively provided with opposite plug parts which are transversely arranged at intervals, adjacent opposite plug parts are separated near the open end, the other ends of the adjacent opposite plug parts are connected into a whole, and the two light guide body plug bodies are respectively plugged at two sides of the convex edge of the light guide body through the respective opposite plug parts; the middle planes of the two light guide body plug bodies are provided with fine line-shaped gaps.
Furthermore, the number of the light guide bodies is two, the heights of the two light guide bodies are the same, the two light guide bodies are of a half-frame structure formed by encircling three surfaces, two parallel and opposite surfaces are respectively provided with opposite inserting parts which are transversely arranged at intervals, adjacent opposite inserting parts are separated near the opening end, the other ends of the adjacent opposite inserting parts are connected into a whole, and the opposite inserting parts on the two light guide bodies are arranged in a staggered manner and are mutually spliced and combined together through the opposite inserting parts; the middle planes of the two light guide bodies are provided with fine line-shaped gaps.
Compared with the prior art, the invention has the advantages that: the light guide bodies are mutually spliced to form the fine-line-shaped gap, so that laser engraving scribing is replaced, meanwhile, the splicing faces on two sides of the fine-line-shaped gap are frosted, diffuse reflection occurs when light passes through the gap to generate floodlight, and a fine-light-emitting line is formed; and the light in the light guide body is weakened layer by layer through the gaps, so that the brightness of the light emitting end of the light guide body is reduced, and the effect of uniform overall light emission of the light guide body is achieved.
Drawings
FIG. 1 is an exploded view of the bulb lamp of example 1;
FIG. 2 is a block diagram showing the structure of a light guide body and a light guide plug according to embodiment 1;
FIG. 3 is a schematic view of the light guide body and the light guide plug of FIG. 2 assembled;
FIG. 4 is a construction view of a light guide connector according to embodiment 1;
FIG. 5 is a construction view of a base of embodiment 1;
FIG. 6 is a construction diagram of the light guide connector of the embodiment 1 assembled with a base;
FIG. 7 is a schematic view of the bulb according to example 1 mounted in a mounting slot;
FIG. 8 is a block diagram showing a light guide body and a light guide body according to embodiment 2;
FIG. 9 is a view showing the light guide body and the light guide plug of FIG. 8 assembled;
FIG. 10 is a construction diagram of the light guide connector of embodiment 2 assembled with a base;
FIG. 11 is a block diagram showing a light guide body and a light guide body according to example 3;
FIG. 12 is a view showing the light guide body and the light guide plug of FIG. 11 assembled;
FIG. 13 is a view showing the structure of a light guide body according to example 4;
FIG. 14 is a view showing the assembled structure of the light guide of FIG. 13;
description of the reference numerals
Bulb 1, combined light guide 2, light guide body 21, plug part 211, light guide plug 22, counter plug part 221, fine line slit 23, plug end face 24, slot 25, convex edge 26, light guide connector 3, connecting plate 31, empty slot 32, LED light source plate 4, driving power supply 5, base 6, mounting plate 61, wide-mouth end 62, narrow-mouth end 63, lamp cap 7, mounting slot 8, screw fixing hole 9.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, the bulb lamp comprises a bulb shell 1, a combined light guide body 2 formed by combining a plurality of light guide bodies, a light guide body connecting piece 3, an LED light source plate 4, a driving power supply 5, a base 6 and a lamp cap 7. Wherein, base 6 is the horn tube structure, upper portion is wide mouth end 62, wide mouth end 62 shape is circular, the lower part is narrow mouth end 63, narrow mouth end 63 surface is equipped with the external screw thread, lamp holder 7 is installed on the external screw thread, wide mouth end 62 is interior to establish the mounting panel 61 of a centre open rectangular hole, the mounting panel 61 downside is fixed with driving power supply 5, LED light source board 4 corresponds the position and is equipped with same rectangular hole, when LED light source board 4 is fixed on mounting panel 61, two rectangular holes coincide, driving power supply 5 of mounting panel 61 below passes through rectangular hole and LED light source board 4 electricity even. A light guide body connecting piece 3 is fixed above the LED light source plate 4, and the light guide body connecting piece 3 is used for fixing the combined light guide body 2. In order to ensure that the light guide body connecting piece 3, the LED light source plate 4 and the mounting plate 61 are provided with screw fixing holes 9 at corresponding positions on the three components, screws sequentially penetrate through the screw fixing holes 9 of the light guide body connecting piece 3, the LED light source plate 4 and the mounting plate 61, and the three components are fastened together.
The present invention aims to realize a thin line-shaped luminous effect by combining at least two light guides with each other and forming a thin line-shaped slit 23 at the position of the butt joint. The fine line-shaped slit 23 may be a straight line, a wavy curve, a zigzag folding line, or any combination of straight line, curved line and folding line. The fine line-shaped slit 23 may be formed in a multi-stage manner or may be formed by connecting the whole slit end to end. The light guide body and the combined light guide body 2 may be formed in different forms, and the following description will be made by using different embodiments:
example 1: as shown in fig. 1 to 7, the combined light guide 2 in the present embodiment has a cylindrical structure, and is assembled by a longitudinal plugging manner, and is composed of a light guide main body 21 and a light guide plug 22. The light guide body 21 is of a cylindrical structure, triangular plug-in parts 211 which are vertically arranged at intervals and are outwards protruded are formed on the outer surface of the light guide body 21 through injection molding, the upper ends of the adjacent plug-in parts 211 are connected into a whole, the lower ends of the adjacent plug-in parts 211 are not connected, and a slot 25 is formed in the lower portion of the light guide body 21 and used for connecting the light guide body 21 with the light guide body connecting piece 3. The light guide body plug body 22 is of a hollow cylinder structure, the upper parts of the light guide body plug bodies 22 are vertically provided with opposite plug parts 221 at intervals, the lower ends of the adjacent opposite plug parts 221 are connected into a whole, the upper ends of the adjacent opposite plug parts 221 are separated to form a gap for plug connection, the shape of the opposite plug parts 221 is triangular, the shape of the opposite plug parts 221 is matched with the shape of the adjacent plug parts 211 of the light guide body main body 21, and the lower parts of the light guide body plug bodies 22 are also provided with slots 25, so that the connection with the light guide body connecting piece 3 is convenient. By the mutual insertion of the insertion portion 211 and the opposite insertion portion 221, one combined light guide body 2 is formed. The fine line-shaped slits 23 are formed at the connection points end to end, the fine line-shaped slits 23 are saw-tooth-shaped in this embodiment, and the insertion end surfaces 24 on both sides of the fine line-shaped slits 23 are frosted (i.e., the end surfaces of the insertion portion 211 on the light guide body 21 and the end surfaces of the insertion portion 221 on the light guide body 22 are respectively frosted). After frosting, when the light of the LED passes through frosting surfaces on two sides of a gap of the combined light guide body 2, the light is diffusely reflected, and the light floods at the fine-line-shaped gap 23 after diffusely reflected, so that fine light rays are emitted.
The light guide body connecting piece 3 in this embodiment is two concentric cylinders, a plurality of empty slots 32 are formed between the cylinders at intervals through a plurality of connecting plates 31, and the lamp beads on the led light source plate 4 are mounted at the bottom of the empty slots 32, so that light can be ensured to be emitted from the empty slots 32, and light can be guided into the light guide body. The light guide body 21 and the light guide plug 22 are both plugged into the connecting plate 31 via respective slots 25. A mounting groove 8 is left between the outer side surface of the light guide body connecting piece 3 and the inner surface of the wide opening end 62 of the base 6, and the opening end of the bulb 1 is mounted in the mounting groove 8, so that the bulb 1 is fixed on the base 6.
Because the light that the LED lamp pearl sent is LED into the combination leaded light body 2 through the empty slot 32, when light when the frosting of fine rule slit 23, takes place the diffuse reflection, makes light floodlight in the gap department form the fine luminous line, and the gap weakens the light in the combination leaded light body 2 simultaneously, greatly reduced the luminance of the light-emitting end of combination leaded light body 2, makes the luminance of bulb lamp whole more even.
Example 2: the principle of this embodiment is the same as that of embodiment 1, except that the configuration of the combined light guide 2, light guide connector 3, and base 6 is changed as shown in fig. 8 to 10. The combination mode of the combined light guide body 2 in this embodiment is a transverse plug-in type, the number of the light guide bodies is three, and the combined light guide body is divided into a light guide body 21 positioned in the middle and two light guide body plug-in connectors 22 positioned on two sides of the light guide body 21; the light guide body 21 is of a quadrangular prism structure, triangular inserting portions 211 protruding outwards are transversely arranged on four outer surfaces of the light guide body 21 at intervals, the same ends of adjacent inserting portions 211 are connected into a whole, the other ends of the adjacent inserting portions 211 are separated, and slots 25 are also formed in the lower portion of the light guide body 21. The section of the light guide body plug body 22 presents a triangular structure with one end open, two sides of the open end of the light guide body plug body 22 are transversely provided with triangular opposite plug parts 221 at intervals, adjacent opposite plug parts 221 are separated near the open end, the other ends of the adjacent opposite plug parts 221 are connected into a whole, and the shape of the opposite plug parts 221 is matched with the shape of a concave part between the adjacent plug parts 211; the two light guide body insertion bodies 22 are inserted into each other through the insertion portions 221 and the outer surface of the light guide body 21.
The light guide body connecting piece 3 of this embodiment is two concentric cubes, a plurality of empty slots 32 are formed between the cubes by arranging the connecting plates 31, and the lamp beads on the led light source plate 4 are arranged at the bottom of the empty slots 32, so that light energy is ensured to be emitted from the empty slots 32, and light is guided into the light guide body, and the rest is the same as that of embodiment 1.
Example 3: this embodiment is the same as embodiment 2 in principle, except for the variation in the configuration of the combined light guide 2, as shown in fig. 11 to 12. The combination mode of the combined light guide body 2 in this embodiment is a transverse plug-in type, the number of the light guide bodies is three, and the combined light guide body is divided into a light guide body 21 positioned in the middle and two light guide body plug-in connectors 22 positioned on two sides of the light guide body 21; the light guide body 21 is in a square columnar structure, wherein a group of two opposite outer surfaces are respectively provided with a transverse bending convex rib 26, two sides of the convex rib 26 form triangular inserting parts 211 which are concave relative to the convex rib 26, and the other group of two opposite outer surfaces of the light guide body 21 are in a plane structure. The two light guide body inserting bodies 22 are all of a half-frame structure formed by encircling three surfaces, triangular opposite inserting parts 221 which are transversely arranged at intervals are respectively arranged on the two parallel opposite surfaces, adjacent opposite inserting parts 221 are separated near the opening ends to form gaps, the other ends of the adjacent opposite inserting parts 221 are connected into a whole, and the two light guide body inserting bodies 22 are inserted into two sides of the convex edges 26 of the light guide body 21 through the respective opposite inserting parts 221. The two light guide body plugs 22 are provided with a transversely continuous thin line-shaped gap 23 on the plane of the middle part. After the combined light guide body 2 is spliced, the four surfaces of the combined light guide body 2 are provided with zigzag fine line-shaped gaps 23, and the gaps on each surface are treated by frosting. The light passing through the slit is diffusely reflected at the frosted surface to form a fine luminous line, and a plurality of fine luminous lines are connected in a crossing manner to form a sawtooth waveform luminous line, and the rest is the same as in the embodiment 2.
Example 4: this embodiment is similar in principle to embodiment 2, except for the configuration of the combined light guide 2, which is shown in fig. 13 to 14. The combination mode of the combined light guide body 2 of this embodiment is a transverse plug-in type, the number of the light guide bodies is two, the heights of the two light guide bodies are the same, the two light guide bodies are all of a half-frame structure formed by surrounding three faces, triangular opposite plug-in parts 221 which are transversely arranged at intervals are respectively arranged on two parallel opposite faces, adjacent opposite plug-in parts 221 are separated near the open ends, the other ends of the adjacent opposite plug-in parts 221 are connected into a whole, and the opposite plug-in parts 221 on the two light guide bodies are arranged in a staggered manner and are mutually plugged and combined together through the opposite plug-in parts 221. The middle planes of the two light guides are provided with transversely continuous fine line-shaped slits 23, and after the two light guides are spliced and combined, the four surfaces of the formed combined light guide 2 are provided with saw-tooth-shaped fine line-shaped slits 23, and the rest is the same as that of the embodiment 2.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and for example, the shape of the thin line-shaped slit 23 of the combined light guide 2 may be changed to increase or decrease the number of light guides. The invention can be modified by the concept without any material modification, which is a behavior that violates the protection scope of the invention.
Claims (6)
1. An LED bulb lamp adopting a combined light guide body is characterized in that: comprises at least two light guide bodies, wherein each light guide body is mutually inserted with the other light guide body, and a fine-line-shaped gap is formed at the opposite insertion position; the number of the light guide bodies is two, the light guide bodies are divided into a light guide body main body and a light guide body plug-in connector, the light guide body main body is of a columnar structure, plug-in parts protruding outwards are vertically arranged on the outer surface of the light guide body main body at intervals, the upper ends of adjacent plug-in parts are connected into a whole, and the lower ends of the adjacent plug-in parts are not connected; the light guide body plug body is of a hollow columnar structure, the upper parts of the light guide body plug bodies are vertically provided with opposite plug parts at intervals, the lower ends of adjacent opposite plug parts are connected into a whole, the upper ends of the adjacent opposite plug parts are separated, and the shape of the opposite plug parts is matched with the shape of the adjacent plug parts; the light guide body plug body is mutually plugged with the light guide body through the opposite plug part.
2. An LED bulb lamp employing a combined light guide as set forth in claim 1, wherein: the fine-line-shaped gap is a straight line or a curve or a broken line or any combination of the straight line, the curve and the broken line.
3. An LED bulb lamp employing a combined light guide as set forth in claim 2, wherein the light guides are mutually opposed and form a thin line-like slit at the opposed position, which is connected end to end.
4. An LED bulb lamp employing a combined light guide as set forth in claim 1, wherein: the inserted end face of each light guide body is subjected to frosting treatment.
5. An LED bulb lamp employing a combined light guide as set forth in claim 1, wherein: the LED bulb lamp further comprises a light guide body connecting piece, the lower end of each light guide body is provided with a slot, and the light guide bodies are inserted into the light guide body connecting piece through the slots.
6. An LED bulb lamp employing a combined light guide as set forth in claim 5, wherein: the LED bulb lamp is characterized in that a plurality of empty slots are formed in the light guide body connecting piece, connecting plates are arranged between the adjacent empty slots, LED lamp beads on the LED bulb lamp are arranged at the bottoms of the empty slots, and the slots at the lower end of the light guide body are inserted into the connecting plates to fix the light guide body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534595.7A CN108506755B (en) | 2018-05-30 | 2018-05-30 | LED bulb lamp adopting combined light guide body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534595.7A CN108506755B (en) | 2018-05-30 | 2018-05-30 | LED bulb lamp adopting combined light guide body |
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| CN108506755A CN108506755A (en) | 2018-09-07 |
| CN108506755B true CN108506755B (en) | 2023-07-07 |
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| CN201810534595.7A Active CN108506755B (en) | 2018-05-30 | 2018-05-30 | LED bulb lamp adopting combined light guide body |
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| CN110778925A (en) * | 2019-09-06 | 2020-02-11 | 常州市福兴电器有限公司 | Light guide body and LED lamp using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI321633B (en) * | 2007-09-07 | 2010-03-11 | Foxsemicon Integrated Tech Inc | Light source assemlby and light guide plate thereof, and backlight module |
| CN102003676B (en) * | 2009-08-28 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Lens |
| CN103174962A (en) * | 2011-12-26 | 2013-06-26 | 上海陆离光电科技有限公司 | Light-emitting diode (LED) lighting device with light guide cover |
| CN104712938B (en) * | 2015-03-27 | 2018-05-01 | 漳州立达信光电子科技有限公司 | Big-angle LED lamp |
| CN207094241U (en) * | 2017-08-16 | 2018-03-13 | 常州市福兴电器有限公司 | LED with light conductor |
| CN107339621B (en) * | 2017-08-16 | 2023-06-16 | 常州市福兴电器有限公司 | LED lamp with light guide body |
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