CN214249263U - Side-lighting flat lamp - Google Patents

Side-lighting flat lamp Download PDF

Info

Publication number
CN214249263U
CN214249263U CN202022957071.4U CN202022957071U CN214249263U CN 214249263 U CN214249263 U CN 214249263U CN 202022957071 U CN202022957071 U CN 202022957071U CN 214249263 U CN214249263 U CN 214249263U
Authority
CN
China
Prior art keywords
guide plate
light guide
light
light source
frame body
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.)
Active
Application number
CN202022957071.4U
Other languages
Chinese (zh)
Inventor
李滨
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.)
Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
Original Assignee
Opple Lighting Co Ltd
Suzhou Op Lighting 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 Opple Lighting Co Ltd, Suzhou Op Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Priority to CN202022957071.4U priority Critical patent/CN214249263U/en
Application granted granted Critical
Publication of CN214249263U publication Critical patent/CN214249263U/en
Priority to PCT/CN2021/135375 priority patent/WO2022121798A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V5/02—Refractors for light sources of prismatic 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
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The utility model provides a side-emitting flat lamp, which comprises a frame main body, a light source arranged in the frame main body, an emergent panel and a light guide plate, wherein the bottom of the frame main body is provided with a light outlet; the emergent panel and the light guide plate are arranged at the bottom of the frame main body and are sequentially stacked upwards; the light source is arranged on the side wall of the frame body and positioned on the side edge of the light guide plate, and a gap is formed between the light source and the light guide plate; the side-emitting flat lamp further comprises a reflection strip, wherein the reflection strip is arranged on the frame body and located below the light source, extends to the lower portion of the light emitting surface of the light guide plate along the direction deviating from the light source, and is parallel to the light guide plate. The utility model discloses a set up reflection strip and reflection stratum, get into the light guide plate to the stray light that does not get into the light guide plate originally re-reflection, improved the luminous efficiency of the luminous dull and stereotyped lamp of side, weakened the bright border yellow side of the luminous dull and stereotyped lamp of side simultaneously.

Description

Side-lighting flat lamp
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a luminous dull and stereotyped lamp of side.
Background
The side-emitting flat lamp is an even plane-emitting lamp formed by a high-light-transmittance light guide plate, has the advantages of convenience in installation, small occupied space, even light emitting, soft light, comfortable and bright light, capability of effectively relieving eye fatigue and the like, and is widely applied to the field of indoor illumination.
In the structure of the existing side-lighting panel lamp, a gap exists between the light source plate and the light guide plate, and the existence of the gap enables light sources on the light source plate not to be totally projected into the light guide plate, so that the light efficiency of the side-lighting panel lamp is influenced. In the prior art, a method of reducing the gap is generally adopted to improve the luminous efficiency of the side-emitting flat panel lamp. But the clearance is too small and the installation is inconvenient.
Accordingly, there is a need to provide a side-emitting flat panel lamp to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can improve the luminous dull and stereotyped lamp of side of light efficiency.
In order to achieve the above object, the utility model provides a side-emitting flat lamp, which comprises a frame main body, a light source, an emergent panel and a light guide plate, wherein the light source, the emergent panel and the light guide plate are arranged in the frame main body; the emergent panel and the light guide plate are arranged at the bottom of the frame main body and are sequentially stacked upwards; the light source is arranged on the side wall of the frame body and positioned on the side edge of the light guide plate, and a gap is formed between the light source and the light guide plate; the side-emitting flat lamp further comprises a reflection strip, wherein the reflection strip is arranged on the frame body and located below the light source, extends to the lower portion of the light emitting surface of the light guide plate along the direction deviating from the light source, and is parallel to the light guide plate.
As a further improvement of the present invention, the reflection bar is located the exit panel is close to one side of the light source, and the upper surface of the reflection bar is in height in the frame body is not lower than height in the frame body.
As a further improvement of the utility model, the side-emitting flat lamp still includes the fender muscle, it sets up to keep off the muscle the light source with between the outgoing panel, follow the bottom of frame main part is upwards protruding for the location the reflection strip.
As a further improvement of the present invention, the reflective strip is fixed on the PCB board where the light source is located and between the blocking ribs, and extends from the light source below to the below of the light emitting surface of the light guide plate.
As a further improvement of the present invention, the exit panel is disposed such that the blocking rib is kept away from one side of the light source, and the upper surface of the exit panel is disposed at a height not higher than that of the blocking rib in the frame body.
As a further improvement, the frame body is provided with a reflective layer, the reflective layer is located backlight surface one side of light guide plate, just the size of reflective layer is greater than the light guide plate is sized, the reflective layer is greater than the part of light guide plate towards the direction of light source extends to the top of light source.
As a further improvement of the utility model, the side-emitting flat lamp still includes the backplate, the backplate sets up the top of reflection stratum, just the backplate is in the top of frame main part with frame main part fixed connection.
As a further improvement of the present invention, the side-emitting flat lamp further includes a diffusion film, the diffusion film is disposed between the light guide plate and the emergent panel.
As a further improvement of the utility model, the luminous dull and stereotyped lamp of side still includes the cotton pad of pearl, the cotton pad setting of pearl is in the reflection stratum with between the backplate.
As a further improvement of the present invention, the exit panel is a prism plate or a diffusion plate.
The utility model has the advantages that: the utility model discloses a luminous dull and stereotyped lamp of side sets up reflection strip and large size reflection stratum through the both sides at the light guide plate, and the stray light that does not get into the light guide plate originally gets into the light guide plate again through reflection strip and large size reflection stratum, has improved the luminous efficiency of the luminous dull and stereotyped lamp of side, has weakened the bright border yellow side of the luminous dull and stereotyped lamp of side simultaneously.
Drawings
Fig. 1 is an exploded view of the side-emitting flat lamp of the present invention.
Fig. 2 is a partial sectional view of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
In order to avoid obscuring the present invention with unnecessary details, it should be noted that only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.
In addition, it is also to be noted that 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.
Referring to fig. 1-3, a side-emitting flat lamp 100 according to the present invention includes a frame body 1, a light source 3 disposed in the frame body 1, an exit panel 4 and a light guide plate 6. The bottom of the frame body 1 is provided with a light outlet, so that the light of the light source 3 is irradiated out from the light outlet to provide light indoors. The emission panel 4 and the light guide plate 6 are disposed at the bottom of the frame body 1 and are sequentially stacked upward, that is, the emission panel 4 is disposed at the bottom of the frame body 1, and the light guide plate 6 is stacked above the emission panel 4. The light source 3 is disposed on a side wall of the frame body 1 and is located at a side surface of the light guide plate 6, and a gap is formed between the light source 3 and the light guide plate 6. The area of the light source 3 facing the light guide plate 6 is smaller than the area of the light incident side of the light guide plate 6.
Specifically, one side of the light guide plate 6 facing the light outlet of the frame body 1 is a light-emitting surface, one side facing away from the light outlet is a backlight surface, and the side corresponding to the light source 3 is a light-incident side. Light emitted by the light source 3 enters from the light incident side of the light guide plate 6, is reflected by the light guide plate 6, is irradiated on the incident panel 4 from the light emergent surface of the light guide plate 6, is uniformly diffused by the incident panel 4, and is irradiated out from the light emergent port of the frame body 1. The area of one side of the light source 3 facing the light guide plate 6 is smaller than that of the light incident side of the light guide plate 6, so that most of light rays emitted by the light source 3 enter the light guide plate 6, and the loss of light efficiency is avoided.
Further, due to the limitation of the mounting process, a gap exists between the light source 3 and the light guide plate 6, and the existence of the gap prevents the light source 3 from being totally emitted into the light guide plate 6, which affects the luminous efficiency of the side-emitting flat lamp 100. The utility model discloses on this basis, the below of light source 3 has set up reflection strip 2 on frame main part 1, and reflection strip 2 extends to the below of the play plain noodles of light guide plate 6 along the direction that deviates from light source 3, and is parallel with light guide plate 6. The reflecting strip 2 is arranged below the light source 3, and the reflecting strip 2 extends to the lower part of the light emitting surface of the light guide plate 6 and is parallel to the light guide plate 6, so that stray light which does not enter the light guide plate 6 enters the light guide plate 6 again under the reflecting action of the reflecting strip 2, and the light efficiency is improved.
Further, the reflection bar 2 is located on the side of the exit panel 4 close to the light source 3, and the height of the upper surface of the reflection bar 2 on the frame body 1 is not lower than the height of the upper surface of the exit panel 4 on the frame body 1. With this arrangement, stray light that does not enter the light guide plate 6 re-enters the light guide plate 6 through the reflection bars 2, and the luminous efficiency is improved. Meanwhile, the light emitted from the light source 3 is blocked from entering the exit panel 4, thereby weakening the yellow edge of the bright edge of the side-emitting flat lamp 100.
Further, the side-emitting flat lamp 100 further includes a blocking rib 11, and the blocking rib 11 is disposed between the light source 3 and the exit panel 4, and protrudes upward from the bottom of the frame body 1 to position the reflection strip 2. In a preferred embodiment of the present invention, the frame body 1 is an aluminum frame, and the blocking rib 11 and the frame body 1 are integrally formed. In other embodiments, the frame body 1 may be made of other materials, and the rib 11 may be connected to the frame body 1 as a separate component. The utility model discloses do not limit to this.
Specifically, through setting up fender muscle 11 for there is the clearance between the lateral wall of frame main part 1 and fender muscle 11, fixes reflection strip 2 between the lateral wall of frame main part 1 and fender muscle 11. In fact, since the light source 3 is disposed on the side wall of the frame body 1, the PCB board 31 where the light source 3 is located is disposed on the side wall of the frame body 1. When the light guide plate is installed, the PCB 31 where the light source 3 is located is installed on the side wall of the frame body 1, then due to the existence of the blocking rib 11, a gap exists between the PCB 31 and the blocking rib 11, and the reflection strip 2 is installed in the gap between the PCB 31 where the light source 3 is located and the blocking rib 11 and extends from below the light source 3 to below the light exit surface of the light guide plate 6. Stray light emitted by the light source 3 and not entering the light guide plate 6 is reflected by the reflecting strip 2 and enters the light guide plate 6 again, so that the light efficiency is improved.
Further, the exit panel 4 is disposed on a side of the blocking rib 11 away from the light source 3, and a height of an upper surface of the exit panel 4 on the frame body 1 is not higher than a height of the blocking rib 11. Owing to set up fender muscle 11 on the bottom of frame main part 1, and fender muscle 11 is located between light source 3 and the outgoing panel 4 to the height of the upper surface of outgoing panel 4 on frame main part 1 is not higher than the height of fender muscle 11, thereby can block that the light that light source 3 jetted out directly jets into outgoing panel 4 in, thereby plays the effect that weakens the bright border yellow side of the luminous dull and stereotyped lamp 100 of side.
Further, the light guide plate 6 is located the top that keeps off muscle 11 and partial reflection strip 2, and the side of light guide plate 6 more is close to the lateral wall of frame main part 1, and the outgoing panel 4 sets up the one side of keeping off muscle 11 and keeping away from light source 3, and the existence of reflection strip 2 and fender muscle 11 in addition between the lateral wall of outgoing panel 4 and frame main part 1 promptly for outgoing panel 4 is far away from the distance of 1 lateral wall of frame main part than light guide plate 6, thereby has reduced outgoing panel 4's use size, and then has practiced thrift the cost.
Further, a reflective layer 7 is further disposed in the frame body 1, the reflective layer 7 is disposed on one side of the backlight surface of the light guide plate 6, and the size of the reflective layer 7 is larger than that of the light guide plate 6. A layer of reflective paper is laid on the backlight surface of the light guide plate 6, so that light rays entering the light guide plate 6 can all exit from the light exit surface of the light guide plate 6 and enter the exit panel 4, and no light rays exit from the backlight surface of the light guide plate 6, thereby improving the lighting effect. Further, the size of the reflective layer 7 is larger than that of the light guide plate 6, and the part of the reflective layer 7 larger than the light guide plate 6 extends to the upper side of the light source 3 towards the direction of the light source 3, so that light leaking from the upper side of the light source 3 enters the light guide plate 6 through the reflective layer 7, and the light efficiency of the side-emitting flat lamp 100 is improved more effectively.
Further, the side-emitting flat lamp 100 further includes a back plate 9, the back plate 9 is disposed above the reflective layer 7, and the back plate 9 is fixedly connected to the frame body 1 at the top of the frame body 1. The back plate 9 is arranged at the top of the frame body 1 and fixedly connected with the frame body 1, so that a closed space is formed between the frame body 1 and the back plate 9, and the emergent panel 4, the light guide plate 6 and the reflecting layer 7 are sequentially stacked upwards in the frame body 1, so that all the components form a whole. Specifically, the emergent panel 4 is located at the bottom of the frame body 1, the light guide plate 6, the reflective layer 7 and the back plate 9 are sequentially stacked upward, the light source 3 is located on the side wall of the frame body 1, and the reflective strip 2 is located on the frame body 1 and extends from the lower side of the light source 3 to the lower side of the emergent surface of the light guide plate 6. In a preferred embodiment of the present invention, the back plate 9 is fixedly connected to the frame body 1 by screws 10, and in other embodiments, other structures capable of fixedly connecting the back plate 9 and the frame body 1 may be adopted, such as gluing, welding, and the like. The utility model discloses do not limit to this.
Further, the side-emitting flat lamp 100 further includes a diffusion film 5, and the diffusion film 5 is located between the exit panel 4 and the light guide plate 6. However, the diffusion film 5 is an optional member. When the requirement of uniform Glare value (Unified Glare Rating) needs to be met in some application scenes, UGR can be reduced to a certain value by using the diffusion film 5, so that Glare is prevented. When the application scene does not have the requirement of UGR, the side-emitting flat lamp 100 may not be provided with the diffusion film 5, so that the cost can be saved.
Further, the side-emitting flat lamp 100 further includes a pearl cotton pad 8, and the pearl cotton pad 8 is disposed between the reflective layer 7 and the back plate 9. However, it should be noted that the pearl wool pad 8 is also an optional component. Specifically, in the utility model relates to an in the preferred embodiment, this cotton pad of pearl 8 is the cotton pad of EPE pearl 8, through setting up the cotton pad of EPE pearl 8, can be so that each part inseparabler installs in frame main part 1, and the cotton pad of EPE pearl 8 has the dampproofing and antistatic effect of water proof in addition, can improve the safety in utilization of the dull and stereotyped lamp 100 of the luminous of side. When the material of the back plate 9 can meet the requirements, the EPE pearl cotton pad 8 is not needed.
Further, the exit panel 4 is a prism plate or a diffusion plate. The prism plate and the diffusion plate can uniformly diffuse the light rays entering the prism plate and the diffusion plate, so that the light rays are uniformly emitted from the prism plate or the diffusion plate, and the diffusion principle of the prism plate and the diffusion plate is different. In specific implementation, the prism plate or the diffusion plate can be flexibly selected as the emergent panel according to different application scenes and design requirements.
Specifically, the mounting structure of the side-emitting flat lamp 100 according to a preferred embodiment of the present invention is as follows: the PCB 31 with the light source 3 is firstly arranged on the side wall of the frame body 1, and then the reflecting strip 2 is arranged in the gap between the PCB 31 with the light source 3 and the blocking rib 11 and extends to the lower part of the light-emitting surface of the light guide plate 6 through the positioning of the blocking rib 11. The emergent panel 4, the diffusion film 5, the light guide plate 6, the reflecting layer 7, the EPE pearl cotton pad 8 and the back plate 9 are sequentially and upwards stacked from the bottom of the frame body 1 in the frame body 1, and then the back plate 9 is fixedly connected to the frame body 1 through screws 10, so that all the components are fixed in a closed space formed by the back plate 9 and the frame body 1. Light emitted by the light source 3 is incident into the light guide plate 6 from the light incident side of the light guide plate 6, is irradiated onto the diffusion film 5 and the exit panel 4 from the light exit surface of the light guide plate 6 through refraction of the light guide plate 6, and is more uniform and softer after passing through the diffusion film 5 and the exit panel 4, and then is irradiated out from the light exit opening at the bottom of the frame body 1. Stray light which does not enter the light guide plate 6 is reflected by the reflection strips 2 and the large-area reflection layer 7 and reenters the light guide plate 6, so that the luminous efficiency of the side-emitting flat lamp 100 is effectively improved. In addition, the larger the gap between the light source 3 and the light guide plate 6 is, the more obvious the effect of improving the lighting effect is, and the problem that the lighting effect is reduced due to the gap caused by the installation process is solved. Through setting up fender muscle 11 for the position of location reflection strip 2, through setting up reflection strip 2 and fender muscle 11, blocked on light directly enters into emergent panel 4, thereby weakened the bright border yellow side of the dull and stereotyped lamp 100 of side luminescence.
In fact, with this arrangement, the larger the gap between the light source 3 and the light guide plate 6 is, the better the effect of improving the light efficiency of the side-emitting flat lamp 100 using the reflection bars 2 and the large-area reflection layer 7 is. Specifically, when the distance between the light source 3 and the light guide plate 6 is 0.2mm, the light efficiency can be improved by 2 points through the reflection action of the reflection strips 2 and the large-area reflection layer 7. When the distance between the light source 3 and the light guide plate 6 is 0.8mm, the light efficiency can be improved by 8 points through the reflection action of the reflection strips 2 and the large-area reflection layer 7. By arranging the reflective strips 2 and the large-area reflective layer 7, the problem of reduced light efficiency caused by a gap between the light source 3 and the light guide plate 6 due to an installation process is solved.
To sum up, the utility model discloses a luminous dull and stereotyped lamp 100 of side is used for fixing a position reflection strip 2 through setting up fender muscle 11, through setting up reflection strip 2 and large size reflection stratum 7 for the stray light that does not get into light guide plate 6 gets into light guide plate 6 again through reflection strip 2 and large size reflection stratum 7, has improved the luminous efficiency of luminous dull and stereotyped lamp 100 of side, simultaneously because keep off muscle 11 and reflection strip 2's existence, has blockked stray light and has entered into on the exit panel 4, thereby weakens the bright border yellow side of luminous dull and stereotyped lamp 100 of side.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A side-emitting flat panel lamp, characterized in that: the light source, the emergent panel and the light guide plate are arranged in the frame main body, and the bottom of the frame main body is provided with a light outlet; the emergent panel and the light guide plate are arranged at the bottom of the frame main body and are sequentially stacked upwards; the light source is arranged on the side wall of the frame body and positioned on the side edge of the light guide plate, and a gap is formed between the light source and the light guide plate; the side-emitting flat lamp further comprises a reflection strip, wherein the reflection strip is arranged on the frame body and located below the light source, extends to the lower portion of the light emitting surface of the light guide plate along the direction deviating from the light source, and is parallel to the light guide plate.
2. The side-emitting flat panel lamp of claim 1, wherein: the reflection strip is positioned on one side of the emergent panel close to the light source, and the height of the upper surface of the reflection strip on the frame body is not lower than that of the upper surface of the emergent panel on the frame body.
3. The side-emitting flat panel lamp of claim 1, wherein: the side light-emitting flat lamp further comprises a blocking rib, wherein the blocking rib is arranged between the light source and the emergent panel, and is protruded upwards from the bottom of the frame body and used for positioning the reflecting strip.
4. The side-emitting flat panel lamp of claim 3, wherein: the reflecting strip is fixed between the PCB where the light source is located and the blocking rib and extends to the lower portion of the light emitting surface of the light guide plate from the lower portion of the light source.
5. The side-emitting flat panel lamp of claim 3, wherein: the emergent panel is arranged on one side, far away from the light source, of the blocking rib, and the height of the upper surface of the emergent panel on the frame body is not higher than that of the blocking rib.
6. The side-emitting flat panel lamp of claim 1, wherein: still be provided with the reflector layer in the frame main part, the reflector layer sets up backlight one side of light guide plate, just the size of reflector layer is greater than the light guide plate size, the reflector layer is greater than the part of light guide plate towards the direction of light source extends to the top of light source.
7. The side-emitting flat panel lamp of claim 6, wherein: the side light-emitting flat lamp further comprises a back plate, the back plate is arranged above the reflecting layer, and the top of the frame body is fixedly connected with the frame body.
8. The side-emitting flat panel lamp of claim 1, wherein: the side-emitting flat lamp further includes a diffusion film disposed between the exit panel and the light guide plate.
9. The side-emitting flat panel lamp of claim 7, wherein: the side-emitting flat lamp further comprises a pearl cotton pad, and the pearl cotton pad is arranged between the reflecting layer and the back plate.
10. The side-emitting flat panel lamp of claim 1, wherein: the emergent panel is a prism plate or a diffusion plate.
CN202022957071.4U 2020-12-11 2020-12-11 Side-lighting flat lamp Active CN214249263U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202022957071.4U CN214249263U (en) 2020-12-11 2020-12-11 Side-lighting flat lamp
PCT/CN2021/135375 WO2022121798A1 (en) 2020-12-11 2021-12-03 Side-emitting panel light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022957071.4U CN214249263U (en) 2020-12-11 2020-12-11 Side-lighting flat lamp

Publications (1)

Publication Number Publication Date
CN214249263U true CN214249263U (en) 2021-09-21

Family

ID=77737458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022957071.4U Active CN214249263U (en) 2020-12-11 2020-12-11 Side-lighting flat lamp

Country Status (2)

Country Link
CN (1) CN214249263U (en)
WO (1) WO2022121798A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022121798A1 (en) * 2020-12-11 2022-06-16 欧普照明股份有限公司 Side-emitting panel light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201302115Y (en) * 2008-11-28 2009-09-02 常州丰盛光电科技股份有限公司 LED fluorescent lamp
CN204372582U (en) * 2014-12-10 2015-06-03 深圳市奥拓光电科技有限公司 A kind of LED side luminescent panel lamp
CN207132186U (en) * 2017-08-23 2018-03-23 易美芯光（北京）科技有限公司 A kind of specular removal panel light
CN209431181U (en) * 2018-11-16 2019-09-24 欧普照明股份有限公司 Side light emitting plane lamp
CN214249263U (en) * 2020-12-11 2021-09-21 欧普照明股份有限公司 Side-lighting flat lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022121798A1 (en) * 2020-12-11 2022-06-16 欧普照明股份有限公司 Side-emitting panel light

Also Published As

Publication number Publication date
WO2022121798A1 (en) 2022-06-16

Similar Documents

Publication Publication Date Title
JP4835936B2 (en) Surface lighting device
KR101171546B1 (en) Edge type Backlight unit
KR100211607B1 (en) Lighting apparatus
KR100285517B1 (en) Liquid crystal display device
JP4075000B2 (en) Surface lighting device
RU2484365C2 (en) Illumination device, surface light source and led display
JP7224460B2 (en) lighting equipment
KR101149409B1 (en) A back light unit
KR20060046432A (en) Direct type back light module
US20060274551A1 (en) Surface light source device and display
KR20040062797A (en) Method and apparatus for guiding light, backlight assembly and liquid crystal display having the same
US11391990B2 (en) Total reflection display device and plastic frame component
JP7089032B2 (en) Backlight module and display panel
JPH10123332A (en) Side light type surface light source device
CN214249263U (en) Side-lighting flat lamp
WO2010016321A1 (en) Illuminating device and liquid crystal display device provided with the same
TWI343489B (en) Optical plate and backlight module using the same
KR20060059164A (en) Led foot lighting device
US10338292B2 (en) Light guide plate, backlight module and display device
CN209839723U (en) Panel light and chassis thereof
CN210514876U (en) Backlight module and display panel
CN212723604U (en) Light source module and display device
WO2012133118A1 (en) Lighting device and display device
KR102447968B1 (en) Display apparatus
KR100514065B1 (en) Backlight Assembly for Liquid Crystal Display

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant