CN203703659U - Direct type backlight module and LED (Light Emitting Diode) lamp cover thereof - Google Patents
Direct type backlight module and LED (Light Emitting Diode) lamp cover thereof Download PDFInfo
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- CN203703659U CN203703659U CN201320831056.2U CN201320831056U CN203703659U CN 203703659 U CN203703659 U CN 203703659U CN 201320831056 U CN201320831056 U CN 201320831056U CN 203703659 U CN203703659 U CN 203703659U
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- cover body
- led
- lampshade
- described cover
- reflector plate
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- 230000005142 aphototropism Effects 0.000 claims description 29
- 230000003292 diminished effect Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 241001316290 Gypsophila Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a direct type backlight module and an LED (Light Emitting Diode) lamp cover thereof. The LED lamp cover comprises a light-transmitting cover body, wherein the cover body is provided with an inward-concave in-light surface and an outward-convex out-light surface opposite to the in-light surface; the in-light surface and/or the out-light surface are/is provided with a plurality of oil ink net points; the sizes of the oil ink net points are gradually reduced from the center of the cover body to the edge of the cover body. According to the direct type backlight module and the LED lamp cover thereof disclosed by the utility model, the optical property of the direct type backlight module can be improved and the production cost of the direct type backlight module is reduced.
Description
Technical field
The utility model relates to back light model setting technology field, relates in particular to a kind of down straight aphototropism mode set and LED lampshade thereof.
Background technology
In traditional down straight aphototropism mode set, scheme backlight generally adopts small-power babysbreath LED or adopts band Lens(lens) LED of structure.But, adopt small-power babysbreath LED-backlit scheme to exist LED quantity many, the shortcomings such as assembling complexity and circuit complexity; Although and LED with Lens structure can reduce by LED number, carry on the back uniformity of light and inferior quality, complicated Lens structure can increase cost backlight, in addition need to be on diffuser plate printing net-point.
Utility model content
Main purpose of the present utility model is to provide a kind of down straight aphototropism mode set and LED lampshade thereof, is intended to improve the optical property of down straight aphototropism mode set, and reduces the production cost of down straight aphototropism mode set.
To achieve these goals, the utility model provides a kind of LED lampshade, comprise the cover body of printing opacity, described cover body has the exiting surface of the incidence surface of indent and and evagination relative with described incidence surface, described incidence surface and/or exiting surface are provided with several ink site, and the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body.
Preferably, described cover body is conical surface shape.
Preferably, the central angle of the side expanded view of described cover body is 180 °～360 °.
Preferably, the bottom of described cover body is n limit shape, and wherein n is natural number, and n >=3.
Preferably, the bottom of described cover body is circular.
Preferably, described cover body is dome shape, and the bottom of described cover body is circular.
Preferably, the bottom surface radius of circle of described cover body is less than the spherical radius of described cover body.
Preferably, the spherical radius of described cover body is 20mm～45mm.
To achieve these goals, the utility model also provides a kind of down straight aphototropism mode set, comprises backboard and is located at the several LED on described backboard, it is characterized in that, described down straight aphototropism mode set also comprises several aforesaid LED lampshades, and described LED lampshade is placed on described LED.
Preferably, also comprise reflector plate, described reflector plate is provided with perforate in the position of corresponding LED, and described LED passes the perforate on reflector plate and is positioned at the top of described reflector plate, described reflector plate is provided with outstanding structure, and described LED lampshade is fixed on described reflector plate by described outstanding structure.
LED lampshade of the present utility model and down straight aphototropism mode set, incidence surface and/or exiting surface by the cover body at lampshade arrange several ink site, and the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body, the effect of ink site is to destroy the total reflection of light in the cover body the inside of lampshade, ink site is larger, the light that reflexes to lampshade the inside from the cover body exiting surface of lampshade is more, in the time that described lampshade is used for down straight aphototropism mode set, lampshade is located on LED lamp, due to LED send Guang Cong center to edge be more and more a little less than, relatively the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body, make the edge to lampshade by the center of lampshade, the reflection of light that lampshade sends LED is more and more less, can make like this light that LED sends penetrate from the cover body of lampshade equably, send out uniformity of light and luminescent quality to improve down straight aphototropism mode set, thereby effectively improve the optical property of down straight aphototropism mode set, simplify the production cost of production technology and the reduction down straight aphototropism mode set of down straight aphototropism mode set.
Brief description of the drawings
Fig. 1 is the top view of the utility model LED lampshade the first embodiment.
Fig. 2 is the upward view of LED lampshade shown in Fig. 1.
Fig. 3 is that LED lampshade shown in Fig. 2 is along the cutaway view of A-A line.
Fig. 4 is the top view of the utility model LED lampshade the second embodiment.
Fig. 5 is the upward view of LED lampshade shown in Fig. 4.
Fig. 6 is that LED lampshade shown in Fig. 5 is along the cutaway view of B-B line.
Fig. 7 is the top view of the utility model LED lampshade the 3rd embodiment.
Fig. 8 is the upward view of LED lampshade shown in Fig. 7.
Fig. 9 is that LED lampshade shown in Fig. 8 is along the cutaway view of C-C line.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that detailed description of the invention described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Core concept of the present utility model is: incidence surface and/or exiting surface by the cover body at lampshade arrange several ink site, and the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body, in the time that described lampshade is used for down straight aphototropism mode set, it is upper that described lampshade is located at LED, to improve the optical property of down straight aphototropism mode set and to reduce the production cost of down straight aphototropism mode set.
As shown in Figure 1 to Figure 3, be the first embodiment of the utility model LED lampshade 10.In the present embodiment, described LED lampshade 10 comprises the cover body 11 of printing opacity, described cover body 11 has the exiting surface 13 of the incidence surface 12 of indent and and evagination relative with described incidence surface 12, described incidence surface 12 is provided with several ink site 14, and the size of described several ink site 14 is diminished to the edge of described cover body 11 gradually by described cover body 11 center D1.
Understandably, can also be, at the exiting surface 13 of described cover body 11, described several ink site 14 is set, or on the incidence surface 12 of described cover body 11 and exiting surface 13, ink site 14 is all set.
In the present embodiment, described cover body 11 is conical surface shape.Described cover body 11 is that the height of light direction is less at vertical direction, and cover body 11 width is in the horizontal direction larger, and particularly, the central angle of the side expanded view of described cover body 11 is 180 °～360 °.
Described cover body 11 can be orthopyramid shape or coniform, and in the time being orthopyramid shape, the bottom of described cover body 11 is n limit shape, and wherein n is natural number, and n >=3.In the time being coniform, the bottom of described cover body 11 is circular.In the present embodiment, cover body 11 is positive tetrapyamid shape, and the bottom of described cover body 11 is square.The shape of described cover body 11 is not restricted to this, as long as the top of cover body is all similar N limit shape or concentric circles to bottom cross sectional shape, area of section is increasing from the top to the bottom, and the cover body of this structure is all applicable to the utility model.
As shown in Figures 4 to 6, be the second embodiment of the utility model LED lampshade 20.In the present embodiment, described LED lampshade 20 comprises the cover body 21 of printing opacity, described cover body 21 has the exiting surface 23 of the incidence surface 22 of indent and and evagination relative with described incidence surface 22, described incidence surface 22 is provided with several ink site 24, and the size of described several ink site 24 is diminished to the edge of described cover body 21 gradually by described cover body 21 center D2.Understandably, can also be, at the exiting surface 23 of described cover body 21, described several ink site 24 is set, or on the incidence surface 22 of described cover body 21 and exiting surface 23, ink site 24 is all set.Described ink site 24 can be formed on described exiting surface 23 by the mode of printing.
In the present embodiment, described cover body 21 is conical surface shape.Described cover body 21 is that the height of light direction is less at vertical direction, and cover body 21 width is in the horizontal direction larger, and particularly, the central angle of the side expanded view of described cover body 21 is 180 °～360 °.Described cover body 21 is coniform, and the bottom of described cover body 21 is circular.
As shown in Figure 7 to 9, be the 3rd embodiment of the utility model LED lampshade 30.In the present embodiment, described LED lampshade 30 comprises the cover body 31 of printing opacity, described cover body 31 has the exiting surface 33 of the incidence surface 32 of indent and and evagination relative with described incidence surface 32, described incidence surface 32 is provided with several ink site 34, and the size of described several ink site 34 is diminished to the edge of described cover body 31 gradually by described cover body 31 center D3.Understandably, can also be, at the exiting surface 33 of described cover body 31, described several ink site 34 is set, or on the incidence surface 32 of described cover body 31 and exiting surface 33, ink site 34 is all set.
In the present embodiment, described cover body 31 is dome shape, and the bottom of described cover body 31 is circular.The bottom surface radius of circle of described cover body 31 is less than the spherical radius of described cover body 31.Preferably, the spherical radius of described cover body 31 is 20mm～45mm.
Embodiment of the present utility model also provides a kind of down straight aphototropism mode set, comprise backboard and be located at the several LED on described backboard, described down straight aphototropism mode set also comprises several above-mentioned LED lampshades 10/20/30, and described LED lampshade 10/20/30 cover cap is on described LED.
Further, described down straight aphototropism mode set also comprises reflector plate, described reflector plate is provided with perforate in the position of corresponding LED, described LED passes the perforate on reflector plate and is positioned at the top of described reflector plate, described reflector plate is provided with outstanding structure, and described LED lampshade 10/20/30 is fixed on described reflector plate by described outstanding structure.
Above-mentioned LED lampshade and down straight aphototropism mode set, incidence surface and/or exiting surface by the cover body at lampshade arrange several ink site, and the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body, wherein, the effect of ink site is to destroy the total reflection of light in the cover body the inside of lampshade, ink site is larger, and the light that reflexes to lampshade the inside from the cover body exiting surface of lampshade is more.In the time that described lampshade is used for down straight aphototropism mode set, lampshade is located on LED lamp, due to LED send Guang Cong center to edge be more and more a little less than, relatively the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body, make the edge to lampshade by the center of lampshade, the reflection of light that lampshade sends LED is more and more less, can make like this light that LED sends penetrate from the cover body of lampshade equably, send out uniformity of light and luminescent quality to improve down straight aphototropism mode set, thereby effectively improve the optical property of down straight aphototropism mode set, simplify the production cost of production technology and the reduction down straight aphototropism mode set of down straight aphototropism mode set.
The utility model is not limited to above embodiment, under the disclosed technology contents of above-mentioned embodiment, can also carry out various variations.Every equivalent structure transformation that utilizes the utility model description and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a LED lampshade, it is characterized in that, comprise the cover body of printing opacity, described cover body has the exiting surface of the incidence surface of indent and and evagination relative with described incidence surface, described incidence surface and/or exiting surface are provided with several ink site, and the size of described several ink site is diminished gradually by the edge of cover body described in the middle mind-set of described cover body.
2. LED lampshade as claimed in claim 1, is characterized in that, described cover body is conical surface shape.
3. LED lampshade as claimed in claim 2, is characterized in that, the central angle of the side expanded view of described cover body is 180 °～360 °.
4. LED lampshade as claimed in claim 2 or claim 3, is characterized in that, the bottom of described cover body is n limit shape, and wherein n is natural number, and n >=3.
5. LED lampshade as claimed in claim 2 or claim 3, is characterized in that, the bottom of described cover body is circular.
6. LED lampshade as claimed in claim 1, is characterized in that, described cover body is dome shape, and the bottom of described cover body is circular.
7. LED lampshade as claimed in claim 6, is characterized in that, the bottom surface radius of circle of described cover body is less than the spherical radius of described cover body.
8. LED lampshade as claimed in claim 7, is characterized in that, the spherical radius of described cover body is 20mm～45mm.
9. a down straight aphototropism mode set, comprise backboard and be located at the several LED on described backboard, it is characterized in that, described down straight aphototropism mode set also comprises several LED lampshades as described in any one in claim 1 to 8, and described LED lampshade is placed on described LED.
10. down straight aphototropism mode set as claimed in claim 9, it is characterized in that, also comprise reflector plate, described reflector plate is provided with perforate in the position of corresponding LED, described LED passes the perforate on reflector plate and is positioned at the top of described reflector plate, described reflector plate is provided with outstanding structure, and described LED lampshade is fixed on described reflector plate by described outstanding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831056.2U CN203703659U (en) | 2013-12-13 | 2013-12-13 | Direct type backlight module and LED (Light Emitting Diode) lamp cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831056.2U CN203703659U (en) | 2013-12-13 | 2013-12-13 | Direct type backlight module and LED (Light Emitting Diode) lamp cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703659U true CN203703659U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831056.2U Expired - Fee Related CN203703659U (en) | 2013-12-13 | 2013-12-13 | Direct type backlight module and LED (Light Emitting Diode) lamp cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703659U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465718A (en) * | 2015-11-30 | 2016-04-06 | 嘉兴亚欧光电科技有限公司 | Light-emitting assembly and coaster lamp with same |
| CN110160006A (en) * | 2019-06-21 | 2019-08-23 | 梁伟权 | A kind of LED lamp cover |
| US11585502B2 (en) | 2019-03-14 | 2023-02-21 | Signify Holding B.V. | Light emitting device |
-
2013
- 2013-12-13 CN CN201320831056.2U patent/CN203703659U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465718A (en) * | 2015-11-30 | 2016-04-06 | 嘉兴亚欧光电科技有限公司 | Light-emitting assembly and coaster lamp with same |
| US11585502B2 (en) | 2019-03-14 | 2023-02-21 | Signify Holding B.V. | Light emitting device |
| CN110160006A (en) * | 2019-06-21 | 2019-08-23 | 梁伟权 | A kind of LED lamp cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |