CN113238317A - Light guide plate, flat lamp with light guide plate and installation method of flat lamp - Google Patents
Light guide plate, flat lamp with light guide plate and installation method of flat lamp Download PDFInfo
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- CN113238317A CN113238317A CN202110774734.5A CN202110774734A CN113238317A CN 113238317 A CN113238317 A CN 113238317A CN 202110774734 A CN202110774734 A CN 202110774734A CN 113238317 A CN113238317 A CN 113238317A
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- light guide
- guide plate
- plate
- strip
- flat lamp
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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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
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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
- G02B6/0065—Manufacturing aspects; Material aspects
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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
- G02B6/0066—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]
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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
- G02B6/0086—Positioning aspects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention belongs to the technical field of lamps and discloses a light guide plate, a flat lamp with the light guide plate and an installation method of the flat lamp. The light guide plate, the reflecting layer, the back plate and the like are arranged, so that the light guide plate has a good light guide and light scattering effect, the back surface of the light guide plate is a frosted surface, the light guide plate has double functions of light guide and diffusion, a linear light source can be converted into a surface light source, and the light can be emitted more uniformly and softly.
Description
Technical Field
The invention belongs to the technical field of lamps, and particularly relates to a light guide plate, a flat lamp with the light guide plate and an installation method of the flat lamp.
Background
The light guide plate is the hi-Tech product that turns into the line light source area source, prior art's light guide plate is the ya keli (PMMA) panel that utilizes optics level, then with the printing ink that has high reflectivity and not extinction, leaded light point on the inferior gram force panel bottom surface with the printing of optics level, utilize optics level inferior gram force panel to absorb the stop at optics level inferior gram force panel surface of the light that comes out from the lamp, when light struck to each leaded light point, the reverberation can be toward each angle diffusion, then destroy the reflection condition and openly jet out by the light guide plate, through various densities, leaded light point not of uniform size, can make the light guide plate evenly luminous.
The light guide plate is generally used with a reflective sheet on the back surface thereof and a diffuser plate on the front surface thereof, the reflective sheet is used to reflect light exposed from the bottom surface of the light guide plate back into the light guide plate for improving the utilization efficiency of the light, and the diffuser plate is used to further diffuse the light to make the light softer.
In addition, in order to reduce cost and save resources in the installation process, people often only need to make the lamp tube structure correspond to the light guide plate, the upper end of the inner side of the lamp frame is provided with an idle area, the whole structure is unstable to a certain extent, the corresponding structure is loosened, meanwhile, the internal lamp tube and corresponding parts of the lamp tube are not protected, and the lamp tube is easy to damage.
Disclosure of Invention
The invention aims to solve the problems, and provides a light guide plate, a flat lamp with the light guide plate and an installation method of the flat lamp.
In order to achieve the purpose, the invention provides the following technical scheme: a front surface is arranged at the bottom of a light guide plate, a back surface is arranged at the top of the light guide plate, light guide points are arranged at the upper end of the inside of the light guide plate, a reflecting layer is fixedly arranged at the top of the light guide plate, a back plate is fixedly arranged at the top of the reflecting layer, and a ceiling device is fixedly arranged at the top of the back plate; the front surface is positioned at the outer side of the light guide plate and is defined as a light emergent surface; the light guide plate comprises a front surface, a back surface and light guide points, wherein the front surface is a hard surface subjected to hardening treatment, the back surface is a frosted surface, the frosted surface is an uneven rough surface formed by concave parts and convex parts, the light guide points are uniformly distributed in the light guide plate, and the frosted surface has a good and uniform diffusion function on light.
As a preferred technical solution of the present invention, the depth value of the light guide point is greater than that of the recess on the back surface, the light guide point is manufactured inside the light guide plate by using a laser engraving technique, the frosted surface is formed by performing extrusion processing or hot press molding or grinding processing on the back surface of the light guide plate, and the light guide plate is an acrylic plate or a PC plate.
The utility model provides a dull and stereotyped lamp with above-mentioned light guide plate, the equal movable joint in both sides of light guide plate and backplate has the rim, two the equal fixed mounting in middle part of rim inboard has the magnet piece, and the equal movable joint in inside of two rims has a limiting device, two the equal fixed mounting of lower extreme of rim inboard has light source device, and the face of looking at of two rims and the equal fixed mounting of face of looking back have a positive panel.
As a preferred technical scheme of the invention, the limiting device comprises a pressing strip, a placing groove is formed in the left side of the pressing strip, three locking bolts are fixedly installed on the top of the pressing strip at equal intervals, an expansion sponge is fixedly installed inside the placing groove, a metal plate is fixedly installed on the left side of the expansion sponge, the pressing strip is movably clamped inside the lamp frame, and generally, people only set a light source device region in a region corresponding to the light guide plate, so that the working effect of the light source device is good, resources are saved, a small problem occurs at the same time, a small part of cavity is formed in the upper end of the whole structure.
As a preferred technical scheme of the present invention, the light source device is composed of four LED light bars and a light reflecting sheet, the four LED light bars correspond to the side surface of the light guide plate, the top of the light reflecting sheet is not in contact with the bottom of the limiting device, the generated light source completely enters the light guide plate, so as to ensure the illumination effect thereof, and in addition, the light reflecting sheet can relatively isolate the light source device from the limiting device area, so as to reduce the influence of the external environment and ensure the long-term stable use of the lamp tube.
As a preferred technical scheme of the invention, the pressing strip is L-shaped, the size and the position of the metal plate correspond to those of the magnet piece, the volume of the expansion sponge is twice that of the expansion sponge in an uncompressed state when the expansion sponge is completely expanded, the width value of the top of the pressing strip is consistent with that of the rectangular groove at the top of the lamp frame, the inner end of the pressing strip is movably clamped at the top of the back plate, the outer end of the pressing strip is movably clamped at the outer side of the upper end of the back plate, the limiting device is movably clamped in the lamp frame manually in advance, the whole expansion sponge starts to expand outwards without being subjected to obvious force along with the change of time, and the magnetic force of the metal plate and the magnet piece can be mutually attracted at the moment, therefore, certain guide is provided for the expansion of the hollow structure, the expansion sponge is finally ensured to fill the empty area, the locking bolt is screwed downwards at the moment, and finally a simple fixing structure is formed.
According to the preferred technical scheme, the two front panels and the two lamp frames are combined together to wrap the light guide plate and the back plate in the middle, the middle of the top of the back plate is exposed outside, and the middle of the bottom of the front surface is exposed outside.
As a preferred technical scheme, the ceiling device comprises a stress strip, three supporting strips are fixedly mounted at two ends of the bottom of the stress strip, rubber plates are fixedly mounted at two ends of the top of the stress strip, a rubber pad strip is fixedly mounted in the middle of the interior of the stress strip, a hinge plate is movably clamped at the upper end of the interior of the stress strip, an elastic metal plate is fixedly mounted in the middle of the top of the stress strip, and the stress strip is movably clamped in a back plate.
As a preferred technical scheme of the invention, the upper end of the inside of the back plate is provided with a notch, the left end and the right end of the notch are both provided with a strip-shaped opening, the stress strip is movably clamped inside the notch and is in the upper half state of a concave structure, the top of the middle part of the stress strip is attached to the top of the notch, the support strip is in a human-shaped structure, the middle parts of the two ends of the notch are both provided with bayonets, the two ends of the hinge plate are movably clamped inside the bayonets, the elastic metal plate is in a state that the middle part is high and the two ends are low, the structure is mainly used for fixing the top of the whole flat lamp, the whole flat lamp can be effectively fixed on a ceiling, the stress strip penetrates through the upper end of the whole back plate, then the whole hinge plate is moved towards the two sides in an extrusion mode and is effectively clamped inside the back plate, when the whole device is attached to the ceiling, elastic metal plate can be leveled by effectual extrusion this moment, along with elastic metal plate's gradual change, whole hinge plate begins to be extruded and opens this moment, and tight joint is in the inside of backplate afterwards, guarantees to pull between each device and fixes effectually, and the rethread beat the form of bolt accomplish fixed mounting can.
As a preferable technical scheme of the invention, the method comprises the following steps:
the first step is as follows: the light guide plate, the reflecting layer and the back plate structure are assembled manually, then the assembled structure is movably clamped inside the two lamp frames, the two limiting devices are respectively movably clamped inside the lamp frames, when the expansion of the expanded sponge is finished, the locking bolts are used for realizing simple fixation, the front plate structure is finally sealed, and corresponding connection and fixation are made in the top area of the back plate, so that the installation of the flat lamp can be effectively finished;
the second step is that: the artifical whole dull and stereotyped lamp that just needs to begin to handle afterwards is installed on the ceiling, the artifical whole dull and stereotyped lamp up moves, contact with the ceiling until the top of rubber slab, the elastic metal board is gradually pushed flat by the kickup state originally this moment, receive the extrusion influence of elastic metal board this moment hinge board and begin to expand downwards, the secondary that its position was realized to the inside that whole dull and stereotyped lamp was embedded into afterwards is fixed, when whole furred ceiling device firmly with the ceiling laminating, the artifical bolt fastening device of beating in the both ends of atress strip can.
Compared with the prior art, the invention has the following beneficial effects:
1. the light guide plate, the reflecting layer, the back plate and the like are arranged, so that the light guide plate has a good light guide and light scattering effect, the back surface of the light guide plate is a frosted surface, the light guide plate has double functions of light guide and diffusion, a linear light source can be converted into a surface light source, and the light can be emitted more uniformly and softly.
2. The light guide plate, the lamp frame, the light guide points and the like are arranged to achieve the purpose of long service life, the light guide plate is generally an optical acrylic plate, the surface of the light guide plate is easily scratched and abraded, the original LED flat lamp structure is characterized in that the diffusion plate is arranged on the front surface of the light guide plate, the diffusion plate can play a role in protecting the front surface of the light guide plate besides a diffusion function, the flat lamp is not provided with the diffusion plate, the cost is saved, and the front surface of the light guide plate is a hardened hard surface under the condition that the light guide plate has the light guide and diffusion functions, so that the abrasion or scratch and the like caused by the fact that the front surface of the light guide plate is directly exposed to the outside because no extra protection structure exists, and the service life of the light guide plate or the flat lamp is prolonged; in addition, the light guide points of the light guide plate are positioned in the light guide plate, and the depth of the light guide points is greater than that of the concave parts on the front surface, so that the light guide points are isolated from the outside, the light guide points are effectively protected, the light guide points are not easy to wear, damage and the like, and the service life of the flat lamp is prolonged.
3. The invention achieves the purposes of good filling and fixing effects and simple integral installation and disassembly by arranging the lamp frame, the limiting devices, the magnet sheets and the like, and enters the light guide plate by movably clamping the two limiting devices, on one hand, the two ends of the top of the back plate can be pressed and limited by utilizing the self structure, on the other hand, the expansion sponge structure starts to expand outwards under the action of losing external force, and finally, the filling of related areas can be rapidly completed under the matching of the metal plate and the magnet sheets, and then, the locking bolt is utilized for simple limiting and fixing, the whole limiting device structure not only effectively fills related idle areas, but also clamps and limits the light guide plate and the back plate structure, and can effectively avoid the shaking of the structure if external force influences occur after the installation of the limiting device is completed, thereby ensuring the long-term effective use of the whole flat lamp; be provided with the supplementary whole dull and stereotyped lamp of furred ceiling device in addition and realize the fixed of ceiling position, because whole atress strip sets to the effectual joint of this pattern in the inside of backplate, it drives to carrying of whole backplate to have formed, along with the contact at two rubber slabs and ceiling top, elastic metal plate at this moment begins to be pushed and folds the tie, the influence hinge plate that receives exogenic action is also opened by synchronous extrusion, effectual joint enters into the inside of backplate afterwards, the manual work is beaten the bolt at the both ends of two atress strips and can be accomplished holistic rigidity, the rubber filler strip is also soft relatively with the contact of ceiling, the damage of hard contact can not appear, the follow-up dismantlement of whole dull and stereotyped lamp is also very simple and easy.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a bottom schematic view of the structure of the present invention;
FIG. 4 is a schematic view of a structural ceiling apparatus of the present invention;
FIG. 5 is a schematic view of a lamp frame and a magnet of the present invention;
FIG. 6 is a schematic view of a structure defining apparatus of the present invention;
fig. 7 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1. a light guide plate; 2. a front side; 4. A reflective layer; 5. a back plate; 6. a lamp frame; 7. a front panel; 8. a confining means; 81. pressing the pressing strip; 82. a placement groove; 83. a locking bolt; 84. expanding the sponge; 85. a metal plate; 9. a magnet piece; 10. a light guide point; 11. a light source device; 12. a ceiling means; 121. a stress strip; 122. a supporting strip; 123. a rubber plate; 124. a rubber filler strip; 125. a hinge plate; 126. an elastic metal plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the present invention provides a light guide plate and a flat lamp having the same, wherein a front surface 2 is disposed at the bottom of the light guide plate 1, a back surface is disposed at the top of the light guide plate 1, a light guide point 10 is disposed at the upper end inside the light guide plate 1, a reflective layer 4 is fixedly mounted at the top of the light guide plate 1, a back plate 5 is fixedly mounted at the top of the reflective layer 4, and a ceiling device 12 is fixedly mounted at the top of the back plate 5.
Wherein, the front surface 2 is positioned at the outer side of the light guide plate 1 and is defined as a light-emitting surface; the front surface 2 is a hardened hard surface, the back surface is a frosted surface, the frosted surface is an uneven rough surface formed by concave parts and convex parts, the light guide points 10 are uniformly distributed in the light guide plate 1, and the frosted surface has a good and uniform diffusion function to light.
Wherein, the depth value of leaded light point 10 is greater than the depth value of back concave part, and leaded light point 10 adopts and carve the inside preparation of technique in the laser in the light guide plate 1, and the frosting is through being handled or hot briquetting or the processing of polishing formation in the 1 back of light guide plate, and what light guide plate 1 adopted is inferior gram force board or PC board.
Wherein, the equal activity joint in both sides of light guide plate 1 and backplate 5 has rim 6, and the equal fixed mounting in middle part of two rim 6 inboards has magnet piece 9, and the equal activity joint in inside of two rim 6 has limiting device 8, and the equal fixed mounting of the lower extreme of two rim 6 inboards has light source device 11, and the equal fixed mounting of the face of looking at and the face of looking back of two rim 6 has positive panel 7.
Wherein, limiting device 8 is including pressing the layering 81, the standing groove 82 has been seted up in the left side of pressing the strip 81, and the top equidistance fixed mounting who presses the strip 81 has three locking bolt 83, the inside fixed mounting of standing groove 82 has inflation sponge 84, the left side fixed mounting of inflation sponge 84 has metal sheet 85, press the strip 81 activity joint in the inside of rim 6, people can only set up light source device 11 region in the region that corresponds with light guide plate 1 under general condition, so can enough guarantee that its work effect is good, the resource has also been practiced thrift simultaneously, but a little problem will appear with this while, the cavity of subtotal can appear in the upper end of overall structure, this patent is through being provided with limiting device 8 structure, the effectual region of filling the cavity on the one hand, also strengthen the fixed to light emitting structure simultaneously.
The light source device 11 is composed of four LED light bars and a reflecting piece, the four LED light bars correspond to the side face of the light guide plate 1, the top of the reflecting piece is not contacted with the bottom of the limiting device 8, the generated light source completely enters the light guide plate 1, the illumination effect of the light guide plate is guaranteed, in addition, the reflecting piece can relatively isolate the light source device 11 from the limiting device 8, the influence of the external environment is reduced, and the long-term stable use of the lamp tube is guaranteed.
Wherein, the pressing strip 81 is L-shaped, the metal plate 85 corresponds to the magnet piece 9 in size and position, the volume of the expansion sponge 84 is twice of that of the expansion sponge 84 in the uncompressed state when the expansion sponge is fully expanded, the width value of the top of the pressing strip 81 is consistent with the width value of the rectangular groove at the top of the lamp frame 6, the inner end of the pressing strip 81 is movably clamped at the top of the back plate 5, the outer end of the pressing strip 81 is movably clamped at the outer side of the upper end of the back plate 5, the limiting device 8 is movably clamped inside the lamp frame 6 manually in advance, the whole expansion sponge 84 starts to expand outwards without being affected by obvious force along with the change of time, and at the moment, the magnetic force of the metal plate 85 and the magnet piece 9 can attract each other, this provides some guidance to the expansion of the structure, and ultimately ensures that the expansion sponge 84 fills the void area, and then the locking pin 83 is threaded down to achieve a simple attachment of the structure.
Wherein, two positive panels 7 merge together with two lamp frames 6 and wrap up light guide plate 1 and backplate 5 at the middle part, and the middle part at 5 tops of backplate exposes externally, and the middle part of 2 front bottoms exposes externally, sets to this pattern and can enough guarantee the effective illumination of 2 front, also conveniently fixes in 5 regional of backplate simultaneously, guarantees the effective installation of whole dull and stereotyped lamp.
Wherein, the suspended ceiling device 12 is including atress strip 121, the equal fixed mounting in both ends of atress strip 121 bottom has three support bar 122, and the equal fixed mounting in both ends at atress strip 121 top has rubber slab 123, the inside middle part fixed mounting of atress strip 121 has rubber filler strip 124, and the inside upper end activity joint of atress strip 121 has hinge plate 125, the middle part fixed mounting at atress strip 121 top has elastic metal sheet 126, and atress strip 121 activity joint is in the inside of backplate 5.
Wherein, the upper end of the inside of the back plate 5 is provided with a notch, the left and right ends of the notch are provided with bar-shaped openings, the stress strip 121 is movably clamped inside the notch, the stress strip 121 is in the first half state of a concave structure, the top of the middle part of the stress strip 121 is attached to the top of the notch, the support bar 122 is in a 'human' -shaped structure, the middle parts of the two ends of the notch are provided with bayonets, the two ends of the hinge plate 125 are movably clamped inside the bayonets, the elastic metal plate 126 is in a state that the middle part is high and the two ends are low, the structure is mainly used for fixing the top of the whole flat lamp, the elastic metal plate 126 can be effectively fixed on the ceiling, the stress strip 121 is utilized to transversely penetrate through the upper end of the whole back plate 5, then the whole hinge plate 125 can be moved towards two sides through the extrusion form, the effective clamping is arranged inside the back plate 5, when the whole ceiling device 12 is attached to the ceiling, the elastic metal plate 126 can be effectively extruded and leveled, along with the gradual change of elastic metal plate 126, whole hinge plate 125 begins to be extruded and opens this moment, and tight joint is in the inside of backplate 5 afterwards, guarantees to pull between each device and fixes effectually, and the fixed mounting is accomplished to the form of rethread beat bolt can.
The method comprises the following steps:
the first step is as follows: the light guide plate 1, the reflecting layer 4 and the back plate 5 are assembled manually, then the assembled structures are movably clamped inside the two lamp frames 6, the two limiting devices 8 are respectively movably clamped inside the lamp frames 6, when the expansion of the expanded sponge 84 is finished, the locking bolts 83 are used for realizing simple fixation, the front panel 7 is sealed, and corresponding connection and fixation are made in the top area of the back plate 5, so that the installation of the flat lamp can be effectively finished;
the second step is that: then the manual work just needs to begin to install whole dull and stereotyped lamp on the ceiling, and the manual work is with whole dull and stereotyped lamp up-moving, and the top that until rubber slab 123 contacts with the ceiling, elastic metal plate 126 is progressively pushed flat by the crooked state of original upwards at this moment, and hinge plate 125 begins to expand downwards at this moment by the extrusion influence of elastic metal plate 126, and the secondary of its position is realized to whole dull and stereotyped lamp embedding inside of backplate 5 afterwards, and when whole furred ceiling device 12 firmly pasted with the ceiling, the manual work is beaten the bolt fastening device at the both ends of atress strip 121 can.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A light guide plate, characterized in that: the light guide plate is characterized in that the bottom of the light guide plate (1) is provided with a front surface (2), the top of the light guide plate (1) is provided with a back surface, the upper end inside the light guide plate (1) is provided with light guide points (10), the top of the light guide plate (1) is fixedly provided with a reflecting layer (4), the top of the reflecting layer (4) is fixedly provided with a back plate (5), and the top of the back plate (5) is fixedly provided with a ceiling device (12); the front surface (2) is positioned at the outer side of the light guide plate (1) and is defined as a light-emitting surface; the front surface (2) is a hard surface subjected to hardening treatment, the back surface is a frosted surface, the frosted surface is an uneven rough surface formed by concave parts and convex parts, and the light guide points (10) are uniformly distributed in the light guide plate (1).
2. A light guide plate according to claim 1, wherein: the depth value of leaded light point (10) is greater than the depth value of back concave part, just leaded light point (10) adopt the carving technique preparation in the laser is in the inside of light guide plate (1), frosting is through the back extrusion processing or thermoforming or the processing of polishing of light guide plate (1) form, what light guide plate (1) adopted is ya keli board or PC board.
3. A flat lamp having the light guide plate of claim 2, wherein: light guide plate (1) with the equal activity joint in both sides of backplate (5) has rim (6), two the equal fixed mounting in middle part of rim (6) inboard has magnet piece (9), and two the inside equal activity joint of rim (6) has defining device (8), two the equal fixed mounting of lower extreme of rim (6) inboard has light source device (11), and two the front view and the equal fixed mounting of back view of rim (6) have positive panel (7).
4. A flat lamp having a light guide plate according to claim 3, wherein: limiting device (8) are including pressing strip (81), standing groove (82) have been seted up in the left side of pressing strip (81), just the top equidistance fixed mounting of pressing strip (81) has three locking bolt (83), the inside fixed mounting of standing groove (82) has inflation sponge (84), the left side fixed mounting of inflation sponge (84) has metal sheet (85), pressing strip (81) activity joint is in the inside of rim of the light (6).
5. A flat lamp having a light guide plate according to claim 3, wherein: the light source device (11) is composed of four LED lamp strips and a reflecting piece, the four LED lamp strips correspond to the side face of the light guide plate (1), and the top of the reflecting piece is not in contact with the bottom of the limiting device (8).
6. The flat lamp with a light guide plate according to claim 4, wherein: according to layering (81) and being L form, metal sheet (85) with magnet piece (9) size and position homogeneous phase corresponds, the volume is twice under the not pressurized state when inflation sponge (84) fully expand, according to the width value at layering (81) top with the rectangle groove width value at rim (6) top is unanimous, just according to the top of the inner activity joint at backplate (5) of layering (81), according to the outer end activity joint of layering (81) and being in the outside of backplate (5) upper end.
7. A flat lamp having a light guide plate according to claim 3, wherein: the two front panels (7) and the two lamp frames (6) are combined together to wrap the light guide plate (1) and the back plate (5) in the middle, the middle of the top of the back plate (5) is exposed outside, and the middle of the bottom of the front surface (2) is exposed outside.
8. A flat lamp having a light guide plate according to claim 3, wherein: furred ceiling device (12) are including atress strip (121), the equal fixed mounting in both ends of atress strip (121) bottom has three support bar (122), just the equal fixed mounting in both ends at atress strip (121) top has rubber slab (123), the inside middle part fixed mounting of atress strip (121) has rubber filler strip (124), just the inside upper end activity joint of atress strip (121) has hinge plate (125), the middle part fixed mounting at atress strip (121) top has elastic metal sheet (126), just atress strip (121) activity joint is in the inside of backplate (5).
9. A flat lamp having a light guide plate according to claim 8, wherein: the notch has been seted up to the inside upper end of backplate (5), just the bar mouth has all been seted up at both ends about the notch, atress strip (121) activity joint is inside the notch, just atress strip (121) are the first half state of spill structure, the top at atress strip (121) middle part with the top of notch is laminated mutually, support bar (122) are "people" shape structure, the bayonet socket has all been seted up at the middle part at notch both ends, the equal activity joint in both ends of hinge plate (125) is in the inside of bayonet socket, the state of elastic metal plate (126) is low for the high both ends in middle part.
10. A method of mounting a flat lamp having a light guide plate according to any one of claims 3 to 9, wherein: the method comprises the following steps:
the first step is as follows: the light guide plate (1), the reflecting layer (4) and the back plate (5) are assembled manually, then the assembled structures are movably clamped inside the two lamp frames (6), the two limiting devices (8) are respectively movably clamped inside the lamp frames (6), when the expansion of the expansion sponge (84) is finished, the simple fixation is realized by using a locking bolt (83), the front panel (7) is finally sealed, and the corresponding connection and fixation are made in the top area of the back plate (5), so that the installation of the flat lamp can be effectively finished;
the second step is that: then the whole flat lamp is manually installed on the ceiling, the whole flat lamp is manually moved upwards until the top of the rubber plate (123) is contacted with the ceiling, the elastic metal plate (126) is gradually extruded and flattened from the original upward bending state and is influenced by the extrusion of the elastic metal plate (126), the hinge plate (125) is expanded downwards, the whole flat lamp is embedded into the back plate (5) to realize secondary fixation of the position of the back plate, and when the whole ceiling device (12) is firmly attached to the ceiling, the two ends of the stress strip (121) are manually screwed with bolts to fix the device.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044533A1 (en) * | 2011-09-28 | 2013-04-04 | 深圳市华星光电技术有限公司 | Led backlight module and liquid crystal display device |
| CN207424450U (en) * | 2017-08-28 | 2018-05-29 | 奥英光电（苏州）有限公司 | A kind of lamp bar position limiting structure and display |
| CN112762412A (en) * | 2021-01-27 | 2021-05-07 | 昆山市诚泰电气股份有限公司 | Lens for flat lamp and flat lamp comprising lens |
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2021
- 2021-07-09 CN CN202110774734.5A patent/CN113238317B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044533A1 (en) * | 2011-09-28 | 2013-04-04 | 深圳市华星光电技术有限公司 | Led backlight module and liquid crystal display device |
| CN207424450U (en) * | 2017-08-28 | 2018-05-29 | 奥英光电（苏州）有限公司 | A kind of lamp bar position limiting structure and display |
| CN112762412A (en) * | 2021-01-27 | 2021-05-07 | 昆山市诚泰电气股份有限公司 | Lens for flat lamp and flat lamp comprising lens |
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