CN106015972A - Downward panel lamp - Google Patents

Downward panel lamp Download PDF

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Publication number
CN106015972A
CN106015972A CN201610568420.9A CN201610568420A CN106015972A CN 106015972 A CN106015972 A CN 106015972A CN 201610568420 A CN201610568420 A CN 201610568420A CN 106015972 A CN106015972 A CN 106015972A
Authority
CN
China
Prior art keywords
diffuser plate
panel light
light
pcb
led
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
CN201610568420.9A
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Chinese (zh)
Inventor
汪旭煌
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.)
Shanghai Dangoo Electronic Trading Co Ltd
Shanghai Dangoo Electronics Co Ltd
Original Assignee
Shanghai Dangoo Electronic Trading 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 Shanghai Dangoo Electronic Trading Co Ltd filed Critical Shanghai Dangoo Electronic Trading Co Ltd
Priority to CN201610568420.9A priority Critical patent/CN106015972A/en
Publication of CN106015972A publication Critical patent/CN106015972A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement 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
    • F21V23/004Arrangement 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 arranged on a substrate, e.g. a printed circuit board
    • F21V23/005Arrangement 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 arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/08Refractors for light sources producing an asymmetric light distribution

Abstract

The invention relates to an LED illuminating device, in particular to a downward panel lamp. The downward panel lamp at least comprises a bottom frame, a PCB, an LED array, a dispersion plate and a top frame; the bottom frame includes a baseplate and a side wall; the side wall surrounds the edge of the baseplate to form a horn-shaped opening; the PCB is fixed on the baseplate; LEDs and lens arrays are distributed on the PCB; the dispersion plate covers the opening end part of the horn-shaped opening through the top frame; light rays emitted by the LED arrays are emitted out of the panel lamp through the dispersion plate; the top frame is clamped at the top end of the side wall for fixing the dispersion plate on the bottom frame; and a conical recess structure is arranged on the surface, inserted by the light rays emitted by the LED arrays, of the dispersion plate. The formed panel lamp is low in thickness, can reduce the packing and transportation costs, can prevent the dazzle, and can reach the UGR of lower than 19.

Description

A kind of direct-illumination type panel lamp
Technical field
The present invention relates to LED light device, particularly relate to a kind of direct-illumination type panel lamp.
Background technology
LED lamp is the most gradually popularized because it has the advantage such as energy-saving and environmental protection and life-span length.LED panel light under prior art mainly has two kinds: one is that side is illuminated, is achieved by the additional diffuser plate of light guide plate, but is characterized in that light fixture is more heavier than relatively thin whole lamp and cost is higher, light efficiency is low and UGR can be more than 19;The second is straight-down negative.
Traditional straight-down negative LED panel lamp uses the mode of low-power LED solid matter to make lamp surface without granular sensation, this mode wants so that whole lamp thickness does that low that LED particle number will be made to increase is a lot of so that cost is significantly increased, and the UGR(Unified Glare Rating of panel light that this kind of mode is formed, type unified glare value) do not possess anti-dazzle function.
Summary of the invention
The present invention proposes a kind of direct-illumination type panel lamp, including:
Underframe, including a base plate and sidewall, described side wall ring constitutes a horn opening around the edge of described base plate;
Pcb board, is fixedly installed on described base plate, and LED array is distributed on described pcb board;
Diffuser plate, covers the open end of described horn opening by a top frame, and the light that described LED array is launched penetrates described panel light through described diffuser plate;
Described top frame, is connected in the top of described sidewall, to be fixed on underframe by described diffuser plate;
Wherein, the surface of the described diffuser plate that the light that described LED array sends passes through is provided with the sunk structure of taper.
Above-mentioned direct type ultrathin panel light, wherein, also includes:
One reflectance coating, is arranged at described LED array and deviates from a side surface of described diffuser plate.
Above-mentioned direct type ultrathin panel light, wherein, described sunk structure be shaped as circular cone or positive triangular pyramid or positive rectangular pyramid.
Above-mentioned direct type ultrathin panel light, wherein, described base plate and described sidewall surfaces are coated with reflective coating or are coated with reflection paint.
Above-mentioned direct type ultrathin panel light, wherein, described diffuser plate is provided with the one side of described sunk structure and deviates from described LED array.
Above-mentioned direct type ultrathin panel light, described LED array includes multiple LED lamp bead, and wherein, described pcb board includes:
Multiple lamp bar PCB, parallel and be arranged in equally spacedly on described base plate;
Multiple LED lamp bead it is provided with equally spacedly on each described lamp bar PCB;
LED lens it are equiped with respectively in each described LED lamp bead;
One PCB connection strap, is connected with each described lamp bar PCB.
Above-mentioned direct type ultrathin panel light, wherein, the spacing of the described LED on described lamp bar PCB is 2.5 ~ 3 with the ratio range of described LED to the distance of the bottom surface of described diffuser plate.
Above-mentioned direct type ultrathin panel light, wherein, also includes:
One driver, is connected with described PCB connection strap.
Above-mentioned direct type ultrathin panel light, described driver is arranged at the sidepiece of described underframe;Wherein, also include:
One driver cover plate, is arranged at the sidepiece of described underframe described driver to be covered.
Above-mentioned direct type ultrathin panel light, wherein, described sidewall is provided with hierarchic structure, and the zone line that the light of sidewall described in described LED array directive reflexes to described diffuser plate through described hierarchic structure transmits described panel light.
Beneficial effect: the direct-illumination type panel lamp thickness that the present invention proposes is thin, can reduce packaging and cost of transportation, simultaneously can anti-dazzle, UGR can be less than 19.
Accompanying drawing explanation
Fig. 1: the explosive view of the direct-illumination type panel lamp in one embodiment of the invention;
Fig. 2: the explosive view of the direct-illumination type panel lamp in one embodiment of the invention;
The top oblique view of Fig. 3: the diffuser plate in one embodiment of the invention;
The top oblique view of Fig. 4: the diffuser plate in one embodiment of the invention;
The top oblique view of Fig. 5: the diffuser plate in one embodiment of the invention;
The side view of the diffuser plate in Fig. 6: Fig. 4;
Fig. 7: the cut-away side view of the direct-illumination type panel lamp in one embodiment of the invention.
Detailed description of the invention
In conjunction with accompanying drawing, the specific embodiment of the invention is described further.
In a preferred embodiment, as shown in Figure 1, it is proposed that a kind of direct-illumination type panel lamp, may include that
Underframe 10, can include a base plate 11 and sidewall 12, and sidewall 12 constitutes a horn opening around the edge of base plate 11;
Pcb board 20, can be fixedly installed on base plate 10;LED array 25 can be distributed on pcb board 20;
Diffuser plate 30, can cover the open end of horn opening by a top frame 40, and the light that LED array 25 is launched can penetrate panel light through diffuser plate 30;
Top frame 40, is connected in the top of sidewall 12, to be fixed on underframe 10 by diffuser plate 30;
Wherein, the surface of the diffuser plate 30 that the light that LED array 25 sends passes through is provided with pyramidal structure.
Wherein, the base material of diffuser plate 30 can be PMMA(polymethyl methacrylate, polymethyl methacrylate), PC(Polycarbonate, Merlon), PS(Poly Styrene, polystyrene) etc., and micro structure on diffuser plate 30 surface, can be provided with, can be such as pyramidal structure, for adjusting outgoing light homogeneity and there is the effect of anti-dazzle;This diffuser plate 30 can be considered as a kind of anti-glazing light diffusing sheet, referred to as diffuser plate and only describe its effect, and the direction of its architectural feature and placement determines that it is at LED The conductive process of 25 light sent plays the effect (preferably acting the effect of gathering in the present embodiment) that diffusion is still gathered;The formation process of sunk structure can be by rolling printing etc.;Each LED Lens as shown in Figure 7 can be arranged with, so that the anaclasis that goes out in front is gone out light to lens profile and then reduction front outside 25;The shape of base plate 11 can be rectangle or other shapes, if base plate 11 is rectangle, then being in the sidewall 12(above base plate 11 edge can be one-body molded with base plate 11) can also be to surround a rectangular shape, farthest assemble with the light that LED is sent.
In a preferred embodiment, as in figure 2 it is shown, this direct-illumination type panel lamp can also include:
One reflectance coating 250, can be arranged at LED array 25 and deviate from a side surface of diffuser plate 230.
Wherein, the shape of reflectance coating 250 can be designed according to practical situation, such as the shape shown in Fig. 2, and the shape of this shape and underframe is agreed with mutually;Preferably, reflectance coating 250 can be arranged the aperture that promising LED array is reserved so that reflectance coating 250 can be fixed on base plate 11 just;Can also be that placement pcb board and the groove of LED array are set on base plate 11 so that reflectance coating 250 need not reserved aperture and can be installed on base plate 11;Both the above is preferred situation, is not construed as limitation of the present invention, and other mounting arrangement modes also should be considered to be encompassed in the present invention.
In several preferred embodiments, the shape of groove structure can be circular cone as shown in Figure 3 or positive triangular pyramid as shown in Figure 4 or positive rectangular pyramid as shown in Figure 5, gathers with the light being mapped to wide-angle on diffuser plate and then plays receipts light action.
Wherein, Fig. 6 be the sunk structure shown in Fig. 4 be the side sectional view of the diffuser plate of positive triangular pyramid;But this kind of preferably situation, the forming method of other diffuser plates with light harvesting or astigmatism effect also should be included in the invention, such as arrange multiple bulge-structure at smooth diffuser surface, and multiple neighbouring bulge-structures surround a sunk structure.
In a preferred embodiment, base plate and sidewall surfaces can be coated with reflective coating or spraying reflection paint.
In a preferred embodiment, diffuser plate is provided with the one side of sunk structure can deviate from LED array.
In a preferred embodiment, LED array can include multiple LED lamp bead, as in figure 2 it is shown, pcb board may include that
Multiple lamp bar PCB 221, can be arranged on base plate 211 parallel and equally spacedly;
Multiple LED lamp bead (not marking in accompanying drawing 2) can be provided with equally spacedly on each lamp bar PCB 221;
One PCB connection strap 222, is connected with each lamp bar PCB 221.
In above-described embodiment, it is preferable that as in figure 2 it is shown, the spacing of LED on lamp bar PCB 221 is 2.5 ~ 3 with the ratio range of LED to the distance of the bottom surface of diffuser plate 230.Due to the layout in the present invention and relate to so that LED quantity reduce, the ratio of the most above-mentioned 2.5 ~ 3 is significantly larger than other panel lights existing.
In the above embodiments, it is preferable that as in figure 2 it is shown, this direct-illumination type panel lamp can also include:
One driver 260, can be connected with PCB connection strap 222.
In above-described embodiment, it is preferable that as in figure 2 it is shown, driver 260 can be arranged at the sidepiece of underframe;This direct-illumination type panel lamp can also include:
One driver cover plate 270, is arranged at the sidepiece of underframe driver 260 to be covered.But it is only for a kind of preferably situation, is not construed as limitation of the present invention.
In a preferred embodiment, as shown in Figure 7, hierarchic structure 713 can be provided with on sidewall 712, the zone line that the light of LED array directive sidewall 712 reflexes to diffuser plate through hierarchic structure 713 transmits panel light, to avoid light in the generation of the outer ring bright fringes that outer ring concentrations causes.
In sum, the present invention proposes a kind of direct-illumination type panel lamp, at least include underframe, pcb board, LED array, diffuser plate and top frame, underframe includes a base plate and sidewall, side wall ring constitutes a horn opening around the edge of base plate, pcb board is fixedly installed on base plate, and LED array on pcb board, is distributed, diffuser plate covers the open end of horn opening by a top frame, and the light that LED array is launched penetrates panel light through diffuser plate, top frame is connected in the top of sidewall, so that diffuser plate is fixed on underframe, the sunk structure of taper it is provided with on the surface of the diffuser plate that the light that LED array sends passes through, the panel light thickness formed is low, packaging and cost of transportation can be reduced, simultaneously can anti-dazzle, UGR can be less than 19.
By explanation and accompanying drawing, give the exemplary embodiments of detailed description of the invention, based on present invention spirit, also can make other conversion.Although invention described above providing an embodiment, but, these contents are not intended as limitation.
For a person skilled in the art, after reading described above, various changes and modifications will be apparent to undoubtedly.Therefore, appending claims should regard whole variations and modifications of true intention and the scope containing the present invention as.In Claims scope, the scope of any and all equivalence and content, be all considered as still belonging to the intent and scope of the invention.

Claims (10)

1. a direct-illumination type panel lamp, it is characterised in that including:
Underframe, including a base plate and sidewall, described side wall ring constitutes a horn opening around the edge of described base plate;
Pcb board, is fixedly installed on described base plate, and LED array is distributed on described pcb board;
Diffuser plate, covers the open end of described horn opening by a top frame, and the light that described LED array is launched penetrates described panel light through described diffuser plate;
Described top frame, is connected in the top of described sidewall, to be fixed on underframe by described diffuser plate;
Wherein, the surface of the described diffuser plate that the light that described LED array sends passes through is provided with the sunk structure of taper.
Direct type ultrathin panel light the most according to claim 1, it is characterised in that also include:
One reflectance coating, is arranged at described LED array and deviates from a side surface of described diffuser plate.
Direct type ultrathin panel light the most according to claim 1, it is characterised in that described sunk structure be shaped as circular cone or positive triangular pyramid or positive rectangular pyramid.
Direct type ultrathin panel light the most according to claim 1, it is characterised in that described base plate and described sidewall surfaces are coated with reflective coating or are coated with reflection paint.
Direct type ultrathin panel light the most according to claim 1, it is characterised in that described diffuser plate is provided with the one side of described sunk structure and deviates from described LED array.
Direct type ultrathin panel light the most according to claim 1, described LED array includes multiple LED lamp bead, it is characterised in that described pcb board includes:
Multiple lamp bar PCB, parallel and be arranged in equally spacedly on described base plate;
Multiple described LED lamp bead it is provided with equally spacedly on each described lamp bar PCB;
LED lens it are equiped with respectively in each described LED lamp bead;
One PCB connection strap, is connected with each described lamp bar PCB.
Direct type ultrathin panel light the most according to claim 6, it is characterised in that the spacing of the described LED on described lamp bar PCB is 2.5 ~ 3 with the ratio range of described LED to the distance of the bottom surface of described diffuser plate.
Direct type ultrathin panel light the most according to claim 6, it is characterised in that also include:
One driver, is connected with described PCB connection strap.
Direct type ultrathin panel light the most according to claim 8, described driver is arranged at the sidepiece of described underframe;It is characterized in that, also include:
One driver cover plate, is arranged at the sidepiece of described underframe described driver to be covered.
Direct type ultrathin panel light the most according to claim 1, it is characterized in that, being provided with hierarchic structure on described sidewall, the zone line that the light of sidewall described in described LED array directive reflexes to described diffuser plate through described hierarchic structure transmits described panel light.
CN201610568420.9A 2016-07-19 2016-07-19 Downward panel lamp Pending CN106015972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610568420.9A CN106015972A (en) 2016-07-19 2016-07-19 Downward panel lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610568420.9A CN106015972A (en) 2016-07-19 2016-07-19 Downward panel lamp

Publications (1)

Publication Number Publication Date
CN106015972A true CN106015972A (en) 2016-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110056796A (en) * 2019-04-11 2019-07-26 广东光阳电器有限公司 A kind of desk lamp with the luminous dodging device in side of long strip type
CN111323963A (en) * 2018-12-13 2020-06-23 深圳Tcl新技术有限公司 Liquid crystal display backlight module and method for manufacturing diffusion plate thereof
US11396995B2 (en) * 2020-07-17 2022-07-26 Xiamen Leedarson Lighting Co., Ltd Panel light apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625483A (en) * 2008-07-10 2010-01-13 鸿富锦精密工业(深圳)有限公司 Backlight module and diffusion plate thereof
CN202065739U (en) * 2011-05-19 2011-12-07 沈李豪 LED (Light-Emitting Diode) panel lamp
CN102278643A (en) * 2011-08-26 2011-12-14 浙江康为电子技术有限公司 Direct light-emitting diode (LED) flat lamp
CN103162184A (en) * 2013-02-22 2013-06-19 青岛海信电器股份有限公司 Light-emitting diode (LED) backlight module and electronic equipment
CN103912846A (en) * 2014-04-08 2014-07-09 友达光电股份有限公司 Backlight lens and direct-lit backlight module with same
CN206001279U (en) * 2016-07-19 2017-03-08 上海顿格电子贸易有限公司 A kind of direct-illumination type panel lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625483A (en) * 2008-07-10 2010-01-13 鸿富锦精密工业(深圳)有限公司 Backlight module and diffusion plate thereof
CN202065739U (en) * 2011-05-19 2011-12-07 沈李豪 LED (Light-Emitting Diode) panel lamp
CN102278643A (en) * 2011-08-26 2011-12-14 浙江康为电子技术有限公司 Direct light-emitting diode (LED) flat lamp
CN103162184A (en) * 2013-02-22 2013-06-19 青岛海信电器股份有限公司 Light-emitting diode (LED) backlight module and electronic equipment
CN103912846A (en) * 2014-04-08 2014-07-09 友达光电股份有限公司 Backlight lens and direct-lit backlight module with same
CN206001279U (en) * 2016-07-19 2017-03-08 上海顿格电子贸易有限公司 A kind of direct-illumination type panel lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111323963A (en) * 2018-12-13 2020-06-23 深圳Tcl新技术有限公司 Liquid crystal display backlight module and method for manufacturing diffusion plate thereof
CN110056796A (en) * 2019-04-11 2019-07-26 广东光阳电器有限公司 A kind of desk lamp with the luminous dodging device in side of long strip type
US11396995B2 (en) * 2020-07-17 2022-07-26 Xiamen Leedarson Lighting Co., Ltd Panel light apparatus

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Address after: Room 1534, No. 498 GuoShoujing Road, Pudong Software Park, Pudong New Area, Shanghai, 201203

Applicant after: Kotya lighting (Shanghai) Co.,Ltd.

Address before: 201203 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 498 Pudong Software Park Building 1, room 1534

Applicant before: Shanghai Dunge Electronic Trading Co.,Ltd.

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RJ01 Rejection of invention patent application after publication

Application publication date: 20161012

RJ01 Rejection of invention patent application after publication