CN111983747B - Light guide structure and intelligent light device - Google Patents
Light guide structure and intelligent light device Download PDFInfo
- Publication number
- CN111983747B CN111983747B CN202011019385.8A CN202011019385A CN111983747B CN 111983747 B CN111983747 B CN 111983747B CN 202011019385 A CN202011019385 A CN 202011019385A CN 111983747 B CN111983747 B CN 111983747B
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- light
- light source
- component
- guide structure
- source assembly
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- 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
- G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide structure and an intelligent lamplight device, wherein the light guide structure comprises a fixing component, a light source component and a light homogenizing component, wherein the fixing component forms a containing space with an opening, the light source component is arranged in the containing space, the light homogenizing component is connected with the fixing component and covers the opening, the light homogenizing component and the light source component are oppositely arranged, so that light rays emitted by the light source component are emitted from the light homogenizing component, and when the light rays emitted by the light source component pass through the light homogenizing component, the light distance between any two light rays is met, wherein the light distance is 0.9L2-1.1L2. The invention aims to ensure that the light of the light source is uniform when the light irradiates the outside from the inside, and eliminate the phenomenon of inconsistent light color.
Description
Technical Field
The invention relates to the technical field of lamplight, in particular to a light guide structure and an intelligent lamplight device using the same.
Background
In the related art, the intelligent products such as artificial intelligence and everything interconnection theory are rising, intelligent alarm clock and intelligent audio amplifier have become the hot in market, and current intelligent product usually has the effect of illumination, and for the aesthetic property of intelligent product, set up the light in intelligent product's inside generally, and because the restriction of intelligent product own structure, thereby the light of light at light thereby intelligent product's inside shines external in-process, the phenomenon that the colour temperature drifts can appear, leads to the light of light not intact at the in-process light path of illumination, and then influence illuminating effect and pleasing to the eye.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a light guide structure which aims at ensuring uniform light emission when light rays of a light source are irradiated to the outside from the inside and eliminating the phenomenon of inconsistent light colors.
In order to achieve the above objective, the present invention provides a light guiding structure, which includes a fixing component, a light source component and a light equalizing component, wherein:
the fixing component forms a containing space with an opening;
The light source component is arranged in the accommodating space;
the light homogenizing piece is connected with the fixing component and covers the opening, and the light homogenizing piece and the light source component are arranged oppositely, so that light rays emitted by the light source component are emitted from the light homogenizing piece;
when the light rays emitted by the light source component pass through the inside of the light equalizing piece, the light distance between any two light rays is met, wherein L1 is more than or equal to 0.9L2 and less than or equal to 1.1L2.
In an embodiment of the application, a light-equalizing curved surface is formed on a side of the light-equalizing member facing the light source assembly, and the light-equalizing curved surface is inclined toward an inner surface of the light-equalizing member.
In an embodiment of the application, the light equalizing member includes a cover portion and a plug portion, wherein:
the cover body part is connected with the plug-in part, is connected with the fixing assembly and covers the opening;
the inserting part is inserted into the accommodating space and is provided with a uniform light curved surface and a bottom surface connected with the uniform light curved surface, the bottom surface is opposite to the light source assembly, and the bottom surface is in curved surface arrangement.
In an embodiment of the application, an arc surface is concavely formed on the surface of the cover body facing the light source component along the direction away from the plugging portion.
In one embodiment of the application, the plug-in part comprises a plug-in section and a connection section which are connected, wherein:
one end of the connecting section, which is away from the inserting section, is connected with the cover body, the surface of the end of the inserting section, which is away from the connecting section, is a bottom surface, an optical gap is formed between the connecting section and the arc-shaped surface of the cover body, and an included angle between the surface of the connecting section, which faces the arc-shaped surface, and the arc-shaped surface is an obtuse angle.
In one embodiment of the present application, a light source assembly includes a circuit board and a display light source, wherein:
The circuit board is connected to the fixed component, and the display lamp source is connected to one side of the circuit board facing the light homogenizing part and is arranged opposite to the light homogenizing part.
In an embodiment of the application, a plurality of display light sources are provided, and the plurality of display light sources are arranged at intervals around the circuit board.
In one embodiment of the application, the securing assembly comprises a support frame and a cloth web, wherein:
The cloth net is sleeved and fixed on the outer surface of the support frame, and the support frame forms a containing space with an opening;
the support frame is detachably connected with the light source assembly and the light homogenizing piece respectively, so that the light source assembly and the light homogenizing piece are arranged oppositely.
In an embodiment of the application, the light guiding structure further comprises a decorative top cover, wherein:
The decorative top cover is connected to one side of the light equalizing piece, which is away from the fixing component, and the surface of the light equalizing piece, which is away from the light source component, forms an appearance surface, and the appearance surface is in smooth transition connection with the decorative top cover.
The invention also provides an intelligent light device comprising the light guide structure, wherein the light guide structure comprises a fixing component, a light source component and a light homogenizing component, and the light source component comprises the following components:
the fixing component forms a containing space with an opening;
The light source component is arranged in the accommodating space;
the light homogenizing piece is connected with the fixing component and covers the opening, and the light homogenizing piece and the light source component are arranged oppositely, so that light rays emitted by the light source component are emitted from the light homogenizing piece;
when the light rays emitted by the light source component pass through the inside of the light equalizing piece, the light distance between any two light rays is met, wherein L1 is more than or equal to 0.9L2 and less than or equal to 1.1L2.
The light guide structure comprises a fixing component, a light source component and a light equalizing component, wherein the light source component is arranged in a containing space through an opening of the fixing component, the opening is covered by the light equalizing component, and light rays emitted by the light source component pass through the light equalizing component and are irradiated to the external environment, so that the light emergent surface of the light source component is relatively concentrated, and the light emergent effect is ensured. When the light rays emitted by the light source component pass through the inside of the light equalizing piece, the light distance between any two light rays is more than or equal to 0.9L2 and less than or equal to 1.1L2. So because the light homogenizing piece sets up the light distance of having reduced the light source module the light range difference value in propagation process to make the colour temperature of the light of light source module after taking place the drift through the light homogenizing piece, still can keep colour temperature homogeneity, thereby make photochromic effect keep unanimous, so that the light source module produces the even and no dark space shadow of light effect after the light homogenizing piece, and then improve the leaded light illuminating effect of leaded light structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a light guiding structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a light guiding structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic diagram of an exploded structure of the light guiding structure of the present invention;
FIG. 5 is a schematic structural view of a light equalizing member of the light guiding structure of the present invention;
FIG. 6 is a partial enlarged view at B in FIG. 5;
FIG. 7 is a schematic cross-sectional view of a light homogenizing element of the light guiding structure of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
Fig. 9 is a schematic structural view of a light source assembly of the light guiding structure of the present invention.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Light guide structure | 311 | Arcuate surface |
| 10 | Fixing assembly | 32 | Plug-in part |
| 11 | Supporting frame | 321 | Insertion section |
| 12 | Cloth net | 3211 | Light-equalizing curved surface |
| 20 | Light source assembly | 3212 | Bottom surface |
| 21 | Circuit board | 322 | Connecting section |
| 22 | Display lamp source | 33 | Appearance surface |
| 30 | Uniform light piece | 40 | Decorative top cover |
| 31 | Cover body |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention proposes a light guiding structure 100.
Referring to fig. 1 to 4, in an embodiment of the present invention, the light guiding structure 100 includes a fixing component 10, a light source component 20, and a light equalizing component 30, wherein:
the fixing assembly 10 forms an accommodating space with an opening;
the light source component 20 is arranged in the accommodating space;
the light homogenizing element 30 is connected to the fixing assembly 10 and covers the opening, and the light homogenizing element 30 and the light source assembly 20 are arranged opposite to each other, so that light rays emitted by the light source assembly 20 are emitted from the light homogenizing element 30;
When the light rays emitted by the light source assembly 20 pass through the inside of the light homogenizing element 30, the light distance between any two light rays is met, wherein L1 is more than or equal to 0.9L2 and less than or equal to 1.1L2.
Wherein, the duct structure is defined to have an up-down direction, and the fixing assembly 10 is formed to have an accommodating space with an upward opening, so that the light source assembly 20 can be mounted in the accommodating space from the opening to facilitate the mounting. The light equalizing member 30 is connected to the fixing member 10 and covers the opening, thereby protecting the light source member 20 from damage caused by collision of the light source member 20 by an external object. Meanwhile, the light homogenizing member 30 is made of inorganic glass or organic polymer, fiber and nanocomposite materials and other light guide materials, and the fixing assembly 10 is made of metal or plastic and other opaque materials, so that the light emitted by the light source assembly 20 can only pass through the light homogenizing member 30 to irradiate to the external environment, thereby ensuring the illumination effect of the light source assembly 20.
The light guide structure 100 of the present invention includes a fixing assembly 10, a light source assembly 20 and a light equalizing member 30, wherein the light source assembly 20 is installed in the accommodating space through an opening of the fixing assembly 10, the light equalizing member 30 covers the opening, and the light emitted from the light source assembly 20 passes through the light equalizing member 30 and irradiates the external environment, so that the light emitting surface of the light source assembly 20 is relatively concentrated, and the light emitting effect is ensured. When the light emitted by the light source assembly 20 passes through the inside of the light equalizing member 30, the light distance between any two light rays satisfies 0.9L2-L1-1.1L2. So because the light homogenizing member 30 sets up the discrepancy value of light distance in the propagation process of having reduced the light of light source subassembly 20 to make the colour temperature of the light of light source subassembly 20 still can keep colour temperature homogeneous after taking place to drift through the light homogenizing member 30, thereby make the photochromic effect keep unanimous, so that light source subassembly 20 goes out the uniform and no dark space shadow of light effect behind light homogenizing member 30, and then improve the leaded light illumination effect of leaded light structure 100.
Referring to fig. 1 to 8, in an embodiment of the present application, a light-equalizing member 30 forms a light-equalizing curved surface 3211 on a side facing the light source assembly 20, and the light-equalizing curved surface 3211 is disposed obliquely toward an inner surface of the light-equalizing member 30. Specifically, by setting the light-equalizing curved surface 3211, when the light of the light source assembly 20 is emitted to the light-equalizing member 30 and enters the light-equalizing member 30 from the light-equalizing curved surface 3211, the light distance between any two light rays entering the light-equalizing member 30 from different angles can be ensured to satisfy 0.9L2-L1-1.1L2, namely, the difference value of the light distance of the light source assembly 20 in the propagation process is effectively reduced, so that the light emitted from the light-equalizing member 30 can still keep uniform color temperature, and the light-emitting effect is relatively uniform. In addition, the light-homogenizing curved surface 3211 is a high-light reflection-preventing optical surface, i.e. a high-light surface in the mold, and plays a role in high light reflection prevention, so that when light enters from the light-homogenizing curved surface 3211, the reflection-preventing effect of the light is ensured, and the light guiding illumination effect of the light guiding structure 100 is further improved.
Further, the light equalizing member 30 includes a cover portion 31 and a plug portion 32, wherein:
the cover body 31 is connected with the plug-in connection part 32, and the cover body 31 is connected with the fixing assembly 10 and covers the opening;
The plugging portion 32 is inserted into the accommodating space, the plugging portion 32 has a light-homogenizing curved surface 3211 and a bottom surface 3212 connected to the light-homogenizing curved surface 3211, the bottom surface 3212 faces the light source assembly 20, and the bottom surface 3212 is arranged in a curved surface.
Specifically, the cover body 31 and the plug-in portion 32 can be of an integral structure, so that the strength of the integral structure of the light homogenizing member 30 is ensured, the process of later installation is saved, and the production efficiency is improved. The cover portion 31 is disposed in a ring shape, and the plugging portion 32 is disposed circumferentially around one side of the cover portion 31, so that when the cover portion 31 is disposed at the opening, the plugging portion 32 is inserted into the accommodating space, and thus the light of the light source assembly 20 can be irradiated to the plugging portion 32 for guiding light. And through making grafting portion 32 connect in the bottom surface 3212 of samming curved surface 3211 and be the curved surface setting, so make after the light of light source module 20 is penetrated into samming piece 30 from bottom surface 3212, also can realize satisfying 0.9L2 be less than or equal to L1 and be less than or equal to 1.1L2 between the light distance of arbitrary two light that enters into samming piece 30, also reduced the light distance of light source module 20 effectively and at the discrepancy value of propagation in-process promptly, so this bottom surface 3212 is the curved surface setting and further guarantees the effect that the light goes out the light more even after samming piece 30.
Further, the surface of the cover 31 facing the light source assembly 20 is concavely provided with an arc surface 311 along a direction away from the plugging portion 32. Specifically, in order to avoid that the light at the joint of the fixing component 10 and the cover body 31 is shielded to generate a shadow more obviously, an arc surface 311 is concavely formed along the direction away from the plug-in portion 32 through the surface of the cover body 31 facing the light source component 20, so that the light passing through the arc surface 311 is refracted, thus reducing the influence of poor appearance of the lighting effect caused by the joint, and further improving the light guiding lighting effect of the light guiding structure 100.
In an embodiment of the present application, referring to fig. 5 to 8, the socket 32 includes an insertion section 321 and a connection section 322 connected, wherein:
One end of the connecting section 322, which is away from the inserting section 321, is connected with the cover body 31, the surface of the inserting section 321, which is away from one end of the connecting section 322, is a bottom surface 3212, an optical gap is formed between the connecting section 322 and the arc-shaped surface 311 of the cover body 31, and an included angle between the surface of the connecting section 322, which faces the arc-shaped surface 311, and the arc-shaped surface 311 is an obtuse angle.
Specifically, by forming a light-emitting gap between the connecting section 322 and the arc surface 311 of the cover body, an included angle between the surface of the connecting section 322 facing the arc surface 311 and the arc surface 311 is an obtuse angle, and light can be prevented from being refracted to other positions by the light-emitting gap, so that the brightness of the light-equalizing member 30 at one side of the connecting section 322 can be enhanced, and the lighting effect can be improved.
In an embodiment of the present application, referring to fig. 4 and 9, a light source assembly 20 includes a circuit board 21 and a display light source 22, wherein:
The circuit board 21 is connected to the fixing assembly 10, and the display light source 22 is connected to a side of the circuit board 21 facing the light equalizing member 30 and disposed opposite to the light equalizing member 30.
Specifically, the display light source 22 is an LED lamp, the display light source 22 is welded at the circuit board 21, and the light of the LED can be a mild yellow light, so that the light is softer, and no glare is generated after the light is irradiated. The display light source 22 is disposed opposite to the light equalizing member 30, so as to ensure that the light of the display light source 22 irradiates the light equalizing member 30.
Further, a plurality of display light sources 22 are provided, and a plurality of display light sources 22 are arranged around the circuit board 21 at intervals.
Specifically, the display light sources 22 are arranged around the circuit board 21 at intervals, so that the display light sources 22 are uniformly distributed at intervals, glare can be eliminated, a good light emitting effect is achieved, the number of used light sources is reduced, and the power consumption of products is reduced.
In one embodiment of the present application, referring to fig. 4, the fixing assembly 10 includes a support frame 11 and a cloth net 12, wherein:
The cloth net 12 is sleeved and fixed on the outer surface of the supporting frame 11, and the supporting frame 11 forms a containing space with an opening
The bracket 11 is detachably connected with the light source assembly 20 and the light equalizing member 30, respectively, so that the light source assembly 20 and the light equalizing member 30 are oppositely arranged.
Specifically, the cloth net 12 is elastically sleeved on the outer surface of the supporting frame 11, so that the cloth net 12 can prevent dust even in early installation and later maintenance and replacement, and the influence of external dust on the light source assembly 20 is avoided. The support frame 11 is provided with a first connecting hole, and the light equalizing member 30 is provided with a second connecting hole corresponding to the first connecting hole, and sequentially passes through the second connecting hole and the first connecting hole through the fixing member, so that the light equalizing member 30 is detachably connected to the support frame 11. The first connecting hole and the second connecting hole can be threaded holes, the fixing piece can be a screw, the supporting frame 11 and the light homogenizing piece 30 are fixed by the screw, and the fixing mode is simple in installation and operation, easy to detach and convenient to maintain. Alternatively, the support 11 and the light equalizing member 30 may be fixed by a snap or the like, and may be specifically selected by a person skilled in the art.
In an embodiment of the present application, referring to fig. 1 to 3, the light guiding structure 100 further comprises a decorative top cover 40, wherein:
The decorative top cover 40 is connected to one side of the light equalizing member 30, which is away from the fixing assembly 10, and the surface of the light equalizing member 30, which is away from the light source assembly 20, forms an appearance surface 33, and the appearance surface 33 is in smooth transition connection with the decorative top cover 40.
Specifically, the decorative top cover 40 may be detachably fixed to the light equalizing member 30 by screws or the like, so as to facilitate the maintenance and replacement in the later period. The decorative top cover 40 is made of opaque material, so that light is emitted from the appearance surface 33 after entering from the light equalizing member 30, and the appearance surface 33 and the decorative top cover 40 are in smooth transition connection, so that the overall appearance aesthetic degree of the light guiding structure 100 is improved, the number of appearance parts is not required to be additionally arranged, the manufacturing cost of plastic parts is reduced, and the assembly cost is also reduced. In addition, the appearance surface 33 of the light equalizing member 30 is a special optical microstructure surface, i.e. an etched surface in the mold, which plays a role of softening light, so as to further make the overall optical effect of the light guiding structure 100 soft and beautiful.
The invention also provides an intelligent lighting device, which comprises a light guide structure 100, wherein the specific structure of the light guide structure 100 refers to the above embodiment, and because the intelligent lighting device adopts all the technical schemes of all the embodiments, the intelligent lighting device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (8)
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| CN202011019385.8A CN111983747B (en) | 2020-09-24 | 2020-09-24 | Light guide structure and intelligent light device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011019385.8A CN111983747B (en) | 2020-09-24 | 2020-09-24 | Light guide structure and intelligent light device |
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| CN111983747A CN111983747A (en) | 2020-11-24 |
| CN111983747B true CN111983747B (en) | 2025-02-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212341512U (en) * | 2020-09-24 | 2021-01-12 | Tcl通力电子（惠州）有限公司 | Light guide structure and intelligent lighting device |
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| JP2005099532A (en) * | 2003-09-25 | 2005-04-14 | Kyocera Corp | Liquid crystal display |
| CN105444045A (en) * | 2014-09-24 | 2016-03-30 | 青岛海信电器股份有限公司 | LED luminescent device, a backlight unit and a display panel |
| CN104360431B (en) * | 2014-11-26 | 2017-03-08 | 深圳市华星光电技术有限公司 | Light guide plate, backlight module and display |
| KR20160091520A (en) * | 2015-01-23 | 2016-08-03 | 삼성디스플레이 주식회사 | Curved display device |
| JP6531937B2 (en) * | 2015-03-11 | 2019-06-19 | パナソニックＩｐマネジメント株式会社 | Light guide lighting device |
| CN205958788U (en) * | 2016-08-25 | 2017-02-15 | 中兴通讯股份有限公司 | Light guide plate and light emitting structure |
| CN108802887A (en) * | 2017-04-27 | 2018-11-13 | 扬升照明股份有限公司 | Backlight module and surface light source assembly thereof |
| CN108635678B (en) * | 2018-08-02 | 2023-06-27 | 夏云程 | Light guide structure, light emitting device, therapeutic instrument, beauty mask and comprehensive treatment system |
| CN208907557U (en) * | 2018-09-29 | 2019-05-28 | 北京汉能光伏投资有限公司 | Guiding device and electronic equipment |
| CN210688908U (en) * | 2019-08-28 | 2020-06-05 | 深圳市百康光电有限公司 | Light guide and illumination assembly |
| CN210605060U (en) * | 2019-10-10 | 2020-05-22 | Tcl通力电子（惠州）有限公司 | Light guide structure and lamp |
| CN211372028U (en) * | 2019-10-12 | 2020-08-28 | 漳州立达信灯具有限公司 | Light source fixing structure and panel lamp |
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| CN212341512U (en) * | 2020-09-24 | 2021-01-12 | Tcl通力电子（惠州）有限公司 | Light guide structure and intelligent lighting device |
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Country or region after: China Address after: 516006 Zhongkai high tech Zone 37, Huizhou, Guangdong Applicant after: Tongli Technology Co.,Ltd. Address before: 516006 Zhongkai high tech Zone 37, Huizhou, Guangdong Applicant before: TONLY ELECTRONICS HOLDINGS Ltd. Country or region before: China |
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