CN112984407A - L-shaped bending surface light source - Google Patents

L-shaped bending surface light source Download PDF

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Publication number
CN112984407A
CN112984407A CN201911271810.XA CN201911271810A CN112984407A CN 112984407 A CN112984407 A CN 112984407A CN 201911271810 A CN201911271810 A CN 201911271810A CN 112984407 A CN112984407 A CN 112984407A
Authority
CN
China
Prior art keywords
guide plate
aluminum strip
light guide
heat dissipation
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911271810.XA
Other languages
Chinese (zh)
Inventor
徐宝成
赵鹏
宋吉意
窦俊峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hengqing Electronics Co ltd
Original Assignee
Qingdao Hengqing Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hengqing Electronics Co ltd filed Critical Qingdao Hengqing Electronics Co ltd
Priority to CN201911271810.XA priority Critical patent/CN112984407A/en
Publication of CN112984407A publication Critical patent/CN112984407A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/305—Lighting for domestic or personal use for refrigerators
    • 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)
  • Planar Illumination Modules (AREA)

Abstract

The invention relates to the technical field of lighting accessories, in particular to an L-shaped bending surface light source, wherein light enters from two ends of the L-shaped bending surface light source, so that the lighting effect is improved, and the practicability is improved; the waterproof effect is improved, and the abnormal condition of the tympanic membrane is effectively avoided; meanwhile, the method is suitable for high-end products, and the use limitation is reduced; including the light guide plate, left side aluminium strip and right aluminium strip, the L type is bent into according to the angle of settlement to the light guide plate, and be provided with diffusion piece and reflectance coating respectively in the upper portion and the lower part of light guide plate, left side aluminium strip is installed in the light guide plate, the left end of diffusion piece and reflectance coating, right side aluminium strip is installed in the light guide plate, the right-hand member of diffusion piece and reflectance coating, the top of light guide plate is provided with heat dissipation aluminium strip, it is provided with first LED lamp strip before heat dissipation aluminium strip and the light guide plate to go up, the left end of going up heat dissipation aluminium strip is provided with plastic casing, it is provided with second LED lamp strip to go up between plastic casing and the last heat dissipation aluminium strip, the bottom of light guide plate is provided.

Description

L-shaped bending surface light source
Technical Field
The invention relates to the technical field of lighting accessories, in particular to an L-shaped bending surface light source.
Background
As is well known, with the increasing living standard of people, the requirement of lighting products is higher and higher. In particular, the illumination of the household appliance refrigerator is developed from an initial simple lamp panel to a planar light source, and the planar light source is widely used in the field; the existing refrigerator adopts a planar light source for illumination, which consists of a film, a diffusion plate, a light guide plate, a reflecting film, a light source and an aluminum piece; the existing planar light source is discovered in use, the adopted planar light source technology is of a planar structure, light enters from one side, and the illumination effect is poor after the planar light source is opened, so that the practicability is low; the existing planar light source is subjected to edge sealing by using a double-sided adhesive tape, so that the waterproof effect is poor, and the abnormal bone tympanic membrane is easy to occur in the using and mounting processes, so that the use reliability is low; meanwhile, the planar light source is too simple and not suitable for high-end products, and the use limitation is high.
Disclosure of Invention
In order to solve the technical problems, the invention provides a lighting device which has the advantages that light enters from two ends, the lighting effect is improved, and the practicability is improved; the waterproof effect is improved, the abnormal condition of the tympanic membrane is effectively avoided, and the use reliability is improved; simultaneously be applicable to the high-end product, reduce the L type of using the limitation and bend a light source.
The invention discloses an L-shaped bent surface light source which comprises a light guide plate, a left aluminum strip and a right aluminum strip, wherein the light guide plate is bent into an L shape according to a set angle, a diffusion sheet and a reflection film are respectively arranged on the upper portion and the lower portion of the light guide plate, the left aluminum strip is arranged at the left ends of the light guide plate, the diffusion sheet and the reflection film, the right aluminum strip is arranged at the right ends of the light guide plate, the diffusion sheet and the reflection film, an upper heat dissipation aluminum strip is arranged at the top end of the light guide plate, a first LED lamp strip is arranged in front of the upper heat dissipation aluminum strip and the light guide plate, an upper plastic shell is arranged at the left end of the upper heat dissipation aluminum strip, a second LED lamp strip is arranged between the upper plastic shell and the upper heat dissipation aluminum strip, a lower heat dissipation aluminum strip is arranged.
According to the L-shaped bending surface light source, the shapes of the diffusion sheet and the reflection film are matched with the shape of the light guide plate.
According to the L-shaped bending surface light source, the right aluminum strip and the left aluminum strip are both in an L-shaped structure.
According to the L-shaped bending surface light source, the left aluminum strip and the right aluminum strip are respectively provided with the clamping grooves, and the left end and the right end of the diffusion sheet, the light guide plate and the reflection film are arranged in the clamping grooves of the left aluminum strip and the right aluminum strip.
According to the L-shaped bending surface light source, the left ends of the left aluminum strip and the right aluminum strip are respectively connected with the front end and the rear end of the right end of the upper heat dissipation aluminum strip in a clamping manner, and the bottom ends of the left aluminum strip and the right aluminum strip are respectively connected with the front end and the rear end of the top end of the lower heat dissipation aluminum strip in a clamping manner.
Compared with the prior art, the invention has the beneficial effects that: the first LED lamp strip emits light into the light guide plate from one end of the light guide plate, and the third LED lamp strip emits light into the light guide plate from the other end of the light guide plate, so that light enters from two ends, the illumination effect is improved, and the practicability is improved; the matched left aluminum strip, right aluminum strip, upper heat dissipation aluminum strip and lower heat dissipation aluminum strip are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, the diffusion sheet is hard in material, patterns such as grids and LOGO originally printed on the film sheet are directly printed on the diffusion sheet, the film sheet is cancelled, the abnormal tympanic membrane condition is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.
Drawings
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A of the present invention;
in the drawings, the reference numbers: 1. a light guide plate; 2. a right aluminum strip; 3. a left aluminum strip; 4. a diffusion sheet; 5. a reflective film; 6. an upper heat dissipation aluminum strip; 7. a first LED light bar; 8. an upper plastic shell; 9. a second LED light bar; 10. a lower heat dissipation aluminum strip; 11. a third LED light bar; 12. a clamping groove.
The light guide plate, the diffusion sheet, the reflection film and the film are made of acrylic, PET, PVC, PS and PC, and the thickness is 0.25-1.5 mm.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 2, an L-shaped bending surface light source of the present invention includes a light guide plate 1, a right aluminum strip 2 and a left aluminum strip 3, the light guide plate 1 is bent into an L-shape according to a predetermined angle, a diffusion sheet 4 and a reflection film 5 are respectively arranged at the upper part and the lower part of the light guide plate 1, a right aluminum strip 2 is arranged at the right ends of the light guide plate 1, the diffusion sheet 4 and the reflection film 5, a left aluminum strip 3 is arranged at the left ends of the light guide plate 1, the diffusion sheet 4 and the reflection film 5, an upper heat dissipation aluminum strip 6 is arranged at the top end of the light guide plate 1, a first LED lamp strip 7 is arranged in front of the upper heat dissipation aluminum strip 6 and the light guide plate 1, an upper plastic shell 8 is arranged at the left end of the upper heat dissipation aluminum strip 6, a second LED lamp strip 9 is arranged between the upper plastic shell 8 and the upper heat dissipation aluminum strip 6, a lower heat dissipation aluminum strip 10 is arranged at the bottom end of the light guide plate 1, and a third LED lamp strip 11 is arranged between the light guide plate 1 and the lower heat dissipation aluminum strip 10; the first LED lamp strip emits light into the light guide plate from one end of the light guide plate, and the third LED lamp strip emits light into the light guide plate from the other end of the light guide plate, so that light enters from two ends, the illumination effect is improved, and the practicability is improved; the matched right aluminum strip, left aluminum strip, upper heat dissipation aluminum strip and lower heat dissipation aluminum strip are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, the diffusion sheet is hard in material, patterns such as grids and LOGO originally printed on the film sheet are directly printed on the diffusion sheet, the film sheet is cancelled, the abnormal tympanic membrane condition is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.
According to the L-shaped bending surface light source, the shapes of the diffusion sheet 4 and the reflection film 5 are matched with the shape of the light guide plate 1; ensuring compact and beautiful structure.
According to the L-shaped bending surface light source, the right aluminum strip 2 and the left aluminum strip 3 are both of an L-shaped structure; guarantee that right aluminium strip and left aluminium strip can effectively cooperate with light guide plate, diffusion piece and reflectance coating.
According to the L-shaped bending surface light source, the clamping grooves 12 are respectively formed in the right aluminum strip 2 and the left aluminum strip 3, the diffusion sheet 4, the light guide plate 1 and the reflection film 5 are clamped in the left aluminum strip clamping grooves, and the diffusion sheet 4, the light guide plate 1 and the reflection film 5 are clamped in the right aluminum strip clamping grooves 12; the light guide plate, the diffusion sheet and the reflection film are conveniently installed, and the sealing performance of the joint is improved.
According to the L-shaped bending surface light source, the left ends of the left aluminum strip and the right aluminum strip are respectively connected with the front end and the rear end of the right end of the upper heat dissipation aluminum strip in a clamping manner, and the bottom ends of the left aluminum strip and the right aluminum strip are respectively connected with the front end and the rear end of the top end of the lower heat dissipation aluminum strip in a clamping manner, so that the L-shaped bending surface light source is convenient to install.
When the L-shaped bending surface light source works, before the actions are finished, the L-shaped bending surface light source is moved to a position required by a user, the first LED lamp strip emits light into the light guide plate from one end of the light guide plate, and the third LED lamp strip emits light into the light guide plate from the other end of the light guide plate, so that light enters from two ends, the illumination effect is improved, and the practicability is improved; the front aluminum strip, the rear aluminum strip, the upper heat dissipation aluminum strip and the lower heat dissipation aluminum strip which are matched are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, the diffusion sheet is hard in material, patterns such as grids and LOGO originally printed on the film sheet are directly printed on the diffusion sheet, the film sheet is cancelled, the abnormal tympanic membrane condition is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. An L-shaped bending surface light source is characterized by comprising a light guide plate (1), a right aluminum strip (2) and a left aluminum strip (3), wherein the light guide plate (1) is bent into an L shape according to a set angle, a diffusion sheet (4) and a reflection film (5) are respectively arranged on the upper portion and the lower portion of the light guide plate (1), the right aluminum strip (2) is arranged at the right ends of the light guide plate (1), the diffusion sheet (4) and the reflection film (5), the left aluminum strip (3) is arranged at the left ends of the light guide plate (1), the diffusion sheet (4) and the reflection film (5), an upper heat dissipation aluminum strip (6) is arranged at the top end of the light guide plate (1), a first LED lamp strip (7) is arranged in front of the upper heat dissipation aluminum strip (6) and the light guide plate (1), an upper plastic shell (8) is arranged at the upper end of the upper heat dissipation aluminum strip (6), and a second LED lamp strip (9) is arranged between the upper, the bottom end of the light guide plate (1) is provided with a lower heat dissipation aluminum strip (10), and a third LED light bar (11) is arranged between the light guide plate (1) and the lower heat dissipation aluminum strip (10).
2. An L-shaped curved surface light source as claimed in claim 1, wherein the shapes of the diffusion sheet (4) and the reflection film (5) are matched with the shape of the light guide plate (1).
3. An L-shaped curved surface light source as claimed in claim 2, wherein the right aluminum strip (2) and the left aluminum strip (3) are both "L" shaped.
4. An L-shaped bending area light source as claimed in claim 3, wherein the back end of the right aluminum strip (2) and the front end of the left aluminum strip (3) are respectively provided with a clamping groove (12), the left ends of the diffusion sheet (4), the light guide plate (1) and the reflection film (5) are clamped in the clamping groove (12) of the left aluminum strip, and the right ends of the diffusion sheet (4), the light guide plate (1) and the reflection film (5) are clamped in the clamping groove (12) of the right aluminum strip.
5. An L-shaped bending area light source as claimed in claim 4, characterized in that the left ends of the right aluminum strip (2) and the left aluminum strip (3) are respectively connected with the front end and the rear end of the right end of the upper heat dissipation aluminum strip (6) in a clamping manner, and the bottom ends of the front aluminum strip (2) and the rear aluminum strip (3) are respectively connected with the front end and the rear end of the top end of the lower heat dissipation aluminum strip (10) in a clamping manner.
CN201911271810.XA 2019-12-12 2019-12-12 L-shaped bending surface light source Pending CN112984407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911271810.XA CN112984407A (en) 2019-12-12 2019-12-12 L-shaped bending surface light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911271810.XA CN112984407A (en) 2019-12-12 2019-12-12 L-shaped bending surface light source

Publications (1)

Publication Number Publication Date
CN112984407A true CN112984407A (en) 2021-06-18

Family

ID=76331585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911271810.XA Pending CN112984407A (en) 2019-12-12 2019-12-12 L-shaped bending surface light source

Country Status (1)

Country Link
CN (1) CN112984407A (en)

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PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210618

WD01 Invention patent application deemed withdrawn after publication