CN112728433A - LED plane lamp with efficient light distribution function based on chip driving - Google Patents

LED plane lamp with efficient light distribution function based on chip driving Download PDF

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Publication number
CN112728433A
CN112728433A CN202110173020.9A CN202110173020A CN112728433A CN 112728433 A CN112728433 A CN 112728433A CN 202110173020 A CN202110173020 A CN 202110173020A CN 112728433 A CN112728433 A CN 112728433A
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light
led
lamp
light distribution
plate
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王子韩
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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
    • 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
    • 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
    • F21K9/68—Details of reflectors forming part of the light source
    • 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
    • F21K9/69—Details of refractors forming part of the light source
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V17/12—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 by screwing
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/00—Reflectors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A chip-driving-based LED plane lamp with a high-efficiency light distribution function comprises a shell, a diffuse reflection plate, an acrylic light guide plate, a plane light splitting plate, a light distribution lens, an LED light bar and a driving chip; the LED planar lamp is characterized in that the inner structure of the LED planar lamp is formed by sequentially superposing a diffuse reflection plate, an acrylic light guide plate and a planar light splitting plate from top to bottom, a light distribution lens is buckled with an LED lamp strip and symmetrically distributed on two sides of the lamp and fixed on a frame of a shell, wherein light rays of the LED lamp beads are emitted in opposite directions, screw holes for mounting the diffuse reflection plate, the acrylic light guide plate and the planar light splitting plate are arranged at four corners inside the shell and fixed on the shell, a driving chip is an IC chip directly driven by the LED lamp beads, the IC chip and a peripheral circuit form an LED lighting driving circuit in a mains supply mode, and a driving circuit device is attached and welded on the LED lamp strip; the LED plane lamp with the efficient light distribution function based on chip driving is formed completely.

Description

LED plane lamp with efficient light distribution function based on chip driving
Technical Field
The invention relates to an LED plane lamp, in particular to an LED plane lamp with a high-efficiency light distribution function based on chip driving.
Background
The LED plane lamp is even and soft in emitted light, wide in application range and convenient to install and use, and is favored by the market. The principle of the existing LED plane lamp is that light rays emitted by LED lamp beads are emitted into a plane reflecting plate from the side edge and reflected by the plane reflecting plate, then are reflected by an acrylic plate and finally emitted by a plane diffusion plate, because the reflection efficiency cannot reach 100%, and in the process of multiple reflection and refraction, part of light energy is inevitably reflected or reflected and lost, so that the light energy becomes invalid illumination and causes energy waste, therefore, compared with the LED lamp inside the LED plane lamp, the lighting efficiency of most LED plane lamps on the market is only 60%, the space for improving the efficiency is large, and the demand is urgent.
The LED flat lamp on the market mostly uses the great driver of volume, is unfavorable for the lightweight design of LED flat lamp, and traditional driver efficiency is not high simultaneously, has certain calorific capacity, makes temperature rising in the lamps and lanterns, can reduce the life-span and the energy consumption increase of LED lamp pearl to a certain extent.
In addition, the common lamp strip that current LED plane lamp used and external direct contact, the easy deposition causes the light efficiency to descend, perhaps intakes and leads to LED lamp pearl trouble and electric leakage even, consequently urgently needs a neotype LED plane lamp.
The problems need to be solved when high-efficiency LED energy-saving products are further popularized in the future.
Disclosure of Invention
In order to overcome the defects, the invention provides the LED plane lamp with the efficient light distribution function based on chip driving, the plane lamp can realize plane illumination, the illumination efficiency is greatly improved, the heat productivity is reduced, the aging speed of LED lamp beads is reduced, the possibility of LED lamp bead failure is reduced, and the light weight design can be carried out on the appearance of the lamp.
The technical scheme adopted by the invention for solving the technical problem is as follows: a chip-driving-based LED plane lamp with a high-efficiency light distribution function comprises a shell, a diffuse reflection plate, an acrylic light guide plate, a plane light splitting plate, a light distribution lens, an LED light bar and a driving chip; the inner structure of the LED plane lamp is formed by sequentially overlapping a diffuse reflection plate, an acrylic light guide plate and a plane light splitting plate from top to bottom, a light distribution lens and an LED light bar are arranged on the side wall of the inner wall of a shell, and the structures are all arranged in the shell; the shell is of a vertically separable structure, the upper part and the lower part of the shell can be fixed into a whole by fixing screws, a clamping groove for fixing the light distribution lens and the LED lamp strip is arranged in the shell, and screw holes for installing the diffuse reflection plate and the acrylic light guide plate are arranged at four corners in the shell; the diffuse reflection plate is a white light-tight PVC plate with particles of different sizes on the surface, the diameter of the particles which are farther away from the LED lamp strip is smaller, mounting holes are formed in four corners of the diffuse reflection plate, and the positions of the mounting holes are matched with the positions of screw holes in the shell; the acrylic light guide plate is a plane transparent acrylic plate, mounting holes are formed in four corners of the acrylic light guide plate, the positions of the mounting holes of the acrylic light guide plate are matched with those of the diffuse reflection plate, and the acrylic light guide plate is bonded with the plane light splitting plate through epoxy resin optical cement with high light transmittance; the planar light splitting plate is an acrylic diffusion plate, the shape of the planar light splitting plate is matched with that of a light outlet of the shell, and the planar light splitting plate can be tightly attached to the light outlet of the shell; the light distribution lens is a long strip-shaped high-transmittance resin light distribution lens, each small lens is matched with a corresponding LED small lamp bead, incident light can be emitted to the light emitting direction of the lamp after being refracted by the lens, the two sides of the light distribution lens strip are provided with buckles, and the LED lamp strip is firmly clamped on the lens strip; the lens strip is arranged in the clamping groove of the shell; the driving chip is an IC chip directly driven by the LED lamp beads, the IC chip and a peripheral circuit form an LED lighting driving circuit in a mains supply mode, and a driving circuit device is welded on the LED lamp strips in an attaching mode; the LED plane lamp with the efficient light distribution function based on chip driving is formed completely.
Furthermore, the shell, the diffuse reflection plate, the acrylic light guide plate and the plane light splitting plate can be made into a square shape or a round shape according to requirements.
Furthermore, the cambered surface of the light distribution lens is a gradually-thick cambered surface, wherein the thickness of the last part of the cambered surface is 1.5-5 times that of the thinnest part, so that the diffusely-reflected light emitted by the LED lamp beads is refracted by the lens and then guided out from the other side of the light outlet through the acrylic light guide plate.
Furthermore, the light distribution lens is in a long strip shape matched with the LED light bar, each lens strip is provided with a plurality of small lenses, the small lenses correspond to the LED light beads on the light bar one by one, two sides of each lens strip are provided with buckles, the distance between every two adjacent buckles is 5-10cm, and the buckles are clamped with the aluminum substrate of the LED light bar together, so that the LED light beads just fall on the light distribution points of the light distribution lens.
Furthermore, the light distribution lenses are symmetrically distributed on two sides of the frame of the flat lamp, and LED lamp beads in the light distribution lenses emit light in pairs in a face-to-face mode.
Furthermore, the light distribution lens is made of one of transparent resin, high-light-transmission acrylic and high-light-transmission glass through a mold.
The invention has the beneficial effects that: the LED lamp strip comprises a lamp body, a plurality of LED lamp beads and a light distribution lens, wherein the LED lamp beads are arranged on the lamp body, the LED lamp beads are arranged on the light distribution lens, the light distribution lens is arranged in front of the LED lamp strip, the LED lamp beads are arranged on the light distribution lens, the light distribution lens is arranged on the front end of the LED lamp strip, the light emitted by the LED lamp beads is refracted to one side of the light emitting direction of the lamp body, the loss in reflection is reduced, the light intensity of the emitted light is consistent without a shielding object, the loss of shielding to the light intensity is reduced, the heat generated when the lamp body works is reduced, the illuminating efficiency of the LED plane lamp is improved, the purposes of energy saving and emission.
Drawings
FIG. 1 is a schematic structural diagram of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention;
FIG. 2 is a side sectional view of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention;
FIG. 3 is a schematic front structural view of a combination of a light distribution lens and an LED light bar of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention;
FIG. 4 is a schematic side view of a combination of a light distribution lens and an LED light bar of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention;
fig. 5 is a schematic light path diagram of a light distribution lens of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention.
FIG. 6 is a schematic circuit structure diagram of a driving chip of an LED flat lamp with a high-efficiency light distribution function based on chip driving according to the present invention;
in the figure: 1. the LED light source comprises a shell, 2, a diffuse reflection plate, 3, an acrylic light guide plate, 4, a plane light splitting plate, 5, a light distribution lens, 6, an LED light bar, 7 and a driving chip.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-6, the invention discloses a chip-driving-based LED flat lamp with a high-efficiency light distribution function, which comprises a housing 1, a diffuse reflection plate 2, an acrylic light guide plate 3, a flat light splitting plate 4, a light distribution lens 5, an LED light bar 6, and a driving chip 7; the LED planar lamp is characterized in that a diffuse reflection plate 2, an acrylic light guide plate 3 and a planar light splitting plate 4 are sequentially overlapped from top to bottom, a light distribution lens 5 and an LED light bar 6 are arranged on the side wall of the inner wall of a shell 1, and the structures are all arranged in the shell 1; the shell 1 is of a vertically separable structure, the upper part and the lower part of the shell can be fixed into a whole by fixing screws, a clamping groove for fixing the light distribution lens 5 and the LED lamp strip 6 is formed in the shell 1, and screw holes for installing the diffuse reflection plate 2 and the acrylic light guide plate 3 are formed in four corners in the shell 1; the diffuse reflection plate 2 is a white light-tight PVC plate with particles of different sizes on the surface, the diameter of the particles farther away from the LED lamp strip 6 is smaller, mounting holes are formed in four corners of the diffuse reflection plate 2, and the positions of the mounting holes are matched with the positions of screw holes in the shell 1; the acrylic light guide plate 3 is a plane transparent acrylic plate, mounting holes are formed in four corners of the acrylic light guide plate 3, the positions of the mounting holes of the acrylic light guide plate 3 are matched with those of the diffuse reflection plate 2, and the acrylic light guide plate 3 is bonded with the plane light splitting plate 4 through epoxy resin optical cement with high light transmittance; the planar light splitting plate 4 is an acrylic diffusion plate, the shape of the planar light splitting plate is matched with that of the light outlet of the shell 1, and the planar light splitting plate 4 can be tightly attached to the light outlet of the shell 1; the light distribution lens 5 is a long strip-shaped high-transmittance resin light distribution lens, each small lens is matched with a corresponding LED small lamp bead, incident light can be emitted to the light emitting direction of the lamp after being refracted by the lens, buckles are arranged on the two sides of the light distribution lens strip, and the LED lamp strip 6 is firmly clamped on the lens strip; the lens strip is arranged in the clamping groove of the shell 1; the driving chip 7 is an IC chip directly driven by the LED lamp beads, the IC chip and a peripheral circuit form an LED lighting driving circuit in a mains supply mode, and a driving circuit device is welded on the LED lamp strips 6 in an attaching mode; the LED plane lamp with the efficient light distribution function based on chip driving is formed completely.
Further, the housing 1, the diffuse reflection plate 2, the acrylic light guide plate 3 and the planar light splitting plate 4 can be made into a square shape or a circular shape as required.
Furthermore, the cambered surface of the light distribution lens 5 is a curved surface with gradual thickness, wherein the thickness of the last part of the curved surface is 1.5-5 times of that of the thinnest part, so that the light emitted by the LED lamp beads and reflected to the diffuse direction is refracted by the lens and then guided out at the other side of the light outlet through the acrylic light guide plate 3.
Furthermore, the light distribution lens 5 is in a long strip shape matched with the LED light bar 6, each lens strip is provided with a plurality of small lenses, the small lenses correspond to the LED light beads on the light bar one by one, two sides of the lens strip are provided with buckles, the distance between every two adjacent buckles is 5-10cm, and the buckles are clamped with the aluminum substrate of the LED light bar 6 together, so that the LED light beads just fall on the light distribution points of the light distribution lens.
Furthermore, the light distribution lenses 5 are symmetrically distributed on two sides of the frame of the flat lamp, and the LED lamp beads 6 in the light distribution lenses emit light in pairs in a face-to-face manner.
Further, the light distribution lens 5 is made of one of transparent resin, high-transmittance acrylic and high-transmittance glass through a mold.
Examples
In the embodiment, a single high-efficiency LED flat lamp with a light distribution function is taken as an example, a shell 1 of the LED flat lamp is an aluminum lamp shell with the length of 50cm, the width of 50cm and the height of 5 cm; the diffuse reflection plate 2 is a PVC (polyvinyl chloride) concave-convex plate of Hippo science and technology Limited, Yizhen, and the specification is 45cm in length, 45cm in width and 0.5cm in thickness, wherein the particle diameter in a region 60-5cm away from the LED light bar is 1mm, the particle diameter in a region 65-15cm away from the LED light bar is 0.5mm, and the particle diameter in a region 615-22.5cm away from the LED light bar is 0.1 mm; the acrylic light guide plate 3 is a transparent acrylic plate of Dongguan Xinfeng plastic products Co.Ltd, and has the specification of 45cm in length, 45cm in width and 2cm in height; the planar light splitting plate 4 is an acrylic diffusion plate of Dongguan Xinfeng plastic products Co., Ltd, and has the specification of 42cm in length, 42cm in width and 0.5cm in height; the light distribution lenses 5 are ordered from south China sun plating photo-electro-technology limited company, are 45cm long, are 2mm at the thickest part and 0.7mm at the thinnest part, are two in total and are symmetrically arranged in the shell 1; the LED light bar 6 is a 22w2835 aluminum substrate LED light bar 6 of Shenzhen Qiyuan xing electronics Limited, the aluminum substrate is 46cm long and 2cm wide, 104 LED light beads are arranged, 1cm more than the light distribution lens 5 is used for a patch welding driving chip 7, the number of the LED light bars 6 is two, the LED light bars are respectively arranged on two sides of the acrylic light guide plate 3 and are connected in a parallel circuit; the driving chip 7 is a high-performance new product produced by the Hefei Seins intelligent control technology company Limited, and the model of the chip is TF 21; after the power is switched on, light emitted by the LED lamp strip 6 is refracted through the light distribution lens 5, is deviated to the light emitting direction of the lamp, is refracted through the acrylic light guide plate 3, and is finally emitted by the plane light splitting plate 4, and the light path is adjusted through the light distribution lens 5, so that the light emitted by the LED lamp strip 6 is uniformly irradiated on the plane light splitting plate 4, and the emitted light is more uniform and softer.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.

Claims (7)

1. A chip-driving-based LED plane lamp with a high-efficiency light distribution function comprises a shell, a diffuse reflection plate, an acrylic light guide plate, a plane light splitting plate, a light distribution lens, an LED light bar and a driving chip; the LED flat lamp is characterized in that the inner structure of the LED flat lamp is composed of a diffuse reflection plate, an acrylic light guide plate and a flat light splitting plate from top to bottom in sequence, a light distribution lens is buckled with an LED lamp strip and is symmetrically distributed on two sides of the lamp and fixed on a frame of a shell, wherein light rays of the LED lamp bead are emitted in opposite direction, the structures are all arranged in the shell, a clamping groove for fixing the light distribution lens and the LED lamp strip is arranged in the shell, screw holes for installing the diffuse reflection plate and the acrylic light guide plate are arranged at four corners in the shell and are fixed on the shell, a driving chip is an IC chip directly driven by the LED lamp bead, the IC chip and a peripheral circuit form an LED lighting driving circuit in a mains supply mode, and a driving circuit device is welded on the LED lamp strip in an; the LED plane lamp with the efficient light distribution function based on chip driving is formed completely.
2. The LED flat lamp with the efficient light distribution function based on the chip driving as claimed in claim 1, wherein the diffuse reflection plate is a white opaque PVC plate with particles of different sizes on the surface, the diameter of the particles farther away from the LED light bar is smaller, mounting holes are formed in four corners of the diffuse reflection plate, and the positions of the mounting holes are matched with the positions of screw holes in the shell; the acrylic light guide plate is a plane transparent acrylic plate, mounting holes are formed in four corners of the acrylic light guide plate, the positions of the mounting holes of the acrylic light guide plate are matched with those of the diffuse reflection plate, and the acrylic light guide plate is bonded with the plane light splitting plate through epoxy resin optical cement with high light transmittance; the plane beam splitter is an acrylic diffusion plate, the shape of the plane beam splitter is matched with that of the light outlet of the shell, and the plane beam splitter can be tightly attached to the light outlet of the shell.
3. The LED flat lamp with the efficient light distribution function based on the chip driving as claimed in claim 1, wherein the light distribution lens is a long strip-shaped high-transmittance resin light distribution lens, each small lens is matched with the corresponding LED small lamp bead, the incident light can be emitted to the light emitting direction of the lamp after being refracted through the lens, the two sides of the light distribution lens strip are provided with buckles, the LED lamp strip is firmly clamped on the lens strip, and the lens strip is installed in the clamping groove of the shell.
4. The LED flat lamp with the efficient light distribution function based on the chip driving as claimed in claim 1, wherein the housing, the diffuse reflection plate, the acrylic light guide plate and the flat light splitting plate can be made into a square shape or a circular shape as required.
5. The LED flat lamp with the high-efficiency light distribution function based on the chip driving as claimed in claim 1 or 3, wherein the arc surface of the light distribution lens is a gradually-thick curved surface, wherein the thickness of the last part of the curved surface is 1.5-5 times of the thickness of the thinnest part, so that the diffusely-reflected light emitted by the LED lamp beads is refracted by the lens and then is guided out from the other side of the light outlet through the acrylic light guide plate.
6. The LED flat lamp with the high-efficiency light distribution function based on the chip driving as claimed in claim 1 or 3, wherein the light distribution lens is in a long strip shape matched with the LED light bar, each lens strip is provided with a plurality of small lenses, the small lenses correspond to the LED light beads on the light bar in a one-to-one manner, buckles are arranged on two sides of each lens strip, the distance between every two adjacent buckles is 5-10cm, and the buckles are clamped with the aluminum substrate of the LED light bar, so that the LED light beads just fall on the light distribution point of the light distribution lens.
7. The LED flat lamp with the efficient light distribution function based on the chip driving as claimed in claim 1 or 3, wherein the light distribution lens is made of one of transparent resin, high-transmittance acrylic and high-transmittance glass through a mold.
CN202110173020.9A 2021-02-08 2021-02-08 LED plane lamp with efficient light distribution function based on chip driving Pending CN112728433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110173020.9A CN112728433A (en) 2021-02-08 2021-02-08 LED plane lamp with efficient light distribution function based on chip driving

Applications Claiming Priority (1)

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CN202110173020.9A CN112728433A (en) 2021-02-08 2021-02-08 LED plane lamp with efficient light distribution function based on chip driving

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