CN204879961U - LED lens and have backlight unit of LED lens with interior column base that contracts - Google Patents
LED lens and have backlight unit of LED lens with interior column base that contracts Download PDFInfo
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- CN204879961U CN204879961U CN201520577567.5U CN201520577567U CN204879961U CN 204879961 U CN204879961 U CN 204879961U CN 201520577567 U CN201520577567 U CN 201520577567U CN 204879961 U CN204879961 U CN 204879961U
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- led lens
- suspension column
- lens
- led
- base station
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Abstract
The utility model belongs to the technical field of the optical lens technique and specifically relates to indicate that (b) one (b) plants LED lens and have backlight unit of LED lens with interior column base that contracts, the LED lens include lens body and base station, lens body and base station integrated into one piece, the upper surface of lens body is m shape ARC structure, the lower surface of base station is provided with the column base that contracts in three, the column base that contracts in three is the setting of article font. Position through adjustment change LED lens column base has effectively reduced the distance between the LED lens column base. Consequently reduce the overall dimension of the lamp strip of corresponding use, saved liquid crystal disply device's structure space, and then reduced lamp strip and backlight unit's manufacturing cost, reduce liquid crystal display's manufacturing cost.
Description
Technical field
The utility model relates to optical lens technical field, refers in particular to
oneplant to have and inside contract the LED lens of suspension column and the backlight module with LED lens.
Background technology
Liquid crystal indicator has the advantages such as high uniform illumination degree, good bright dipping visual angle, high-light-energy utilization rate, simple package assembly and is widely used in large-sized liquid crystal display.Liquid crystal indicator major part is in the market the liquid crystal indicator of backlight type, and liquid crystal indicator comprises display panels and backlight module.Because liquid crystal panel itself is non-luminous, therefore need the light source provided by backlight module to show image.Backlight module is divided into side entering type and straight-down negative according to light source incidence mode.Down straight aphototropism mode set is dead astern backlight being arranged on display panels, and direct forming surface light source is supplied to liquid crystal panel.
Down straight aphototropism mode set of the prior art comprises backboard, backlight and diffuser plate, described backlight comprises many lamp bars, each lamp bar comprises circuit board, LED and is arranged at the optics LED lens above LED, the light that described optics LED lenses guarantee LED emits is able to evenly, and then ensures the uniform illumination of backlight.
The locating dowel placement of foot of current straight-down negative optical lens is all arranged on the position, outer ring of product, the structure of this kind of lens must could meet use by the larger lamp bar of configuration, the lamp bar of large profile will inevitably increase the cost of LCDs, and can not meet the requirement that present situation reduces LCDs manufacturing cost.
Utility model content
The utility model provides for the problem of prior art
oneplant to have and inside contract the LED lens of suspension column and the backlight module with LED lens, guarantee LCDs obtains hot spot to be scattered on uniform basis, the position of the location suspension column of LED lens is changed by adjustment, reduce the distance between LED lens suspension column, and then reduce the appearance and size of lamp bar, and then reduce lamp bar manufacturing cost, reduce the manufacturing cost of LCDs.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
oneplant and there are the LED lens inside contracting suspension column, comprise lens body and base station, described lens body and base station one-body molded, the upper surface of described lens body is m shape globoidal structure, the lower surface of described base station is provided with three and inside contracts suspension column, described three inside contract suspension column be isosceles triangle arrange.
Wherein, the lower surface of described base station is convexly equipped with the netted projection of grid for astigmatism or irregular even grain.
Further, described irregular even grain is four limit rhombogen arrays.
Wherein, the centre of described base station is provided with the circular groove for installing LED, and the middle part of described lens body is provided with the oval curved surface cavity communicated with circular groove.
Wherein, inside contract suspension column described in and be set to conical suspension column.
oneplant the backlight module with LED lens, many the lamp plates comprising described LED lens and be set up in parallel, described lamp plate is equipped with some LED chip, and described some LED chip are spaced apart and be fixed on the top of described lamp plate, and described lamp plate is provided with the spliced eye suitable with inside contracting suspension column; Vertically insert in spliced eye by inside contracting suspension column, described LED lens are fixed on the top of lamp plate.
Further, backlight module also includes reflective coating and diffuser plate, and described diffuser plate is fixedly installed in the top of LED lens, and described reflective coating is positioned at the below of many lamp plates and reflective coating lateral bends.
The beneficial effects of the utility model:
The utility model provides
oneplant to have and inside contract the LED lens of suspension column and the backlight module with LED lens, compared with prior art, LED lens of the present utility model comprise lens body and base station, described lens body and base station one-body molded, the upper surface of described lens body is m shape globoidal structure, the lower surface of described base station is provided with three and inside contracts suspension column, described three inside contract suspension column be isosceles triangle arrange.Changed the position of LED lens suspension column by adjustment, effectively reduce the distance between LED lens suspension column.Therefore reduce the appearance and size of the corresponding lamp bar used, save the structure space of liquid crystal indicator; And then reduce the manufacturing cost of lamp bar and backlight module, reduce the manufacturing cost of LCDs.
Accompanying drawing explanation
Fig. 1 is the utility model
oneplant the stereogram one with the LED lens inside contracting suspension column.
Fig. 2 is the utility model
oneplant the stereogram two with the LED lens inside contracting suspension column.
Fig. 3 is the utility model
oneplant the full profile with the LED lens inside contracting suspension column.
Fig. 4 is the utility model
oneplant the installation schematic top plan view with the backlight module of LED lens.
Fig. 5 is the utility model
oneplant the installation schematic side view with the backlight module of LED lens.
Reference numeral in Fig. 1 to Fig. 5 comprises:
1-lens body, 2-base station 3-inside contract suspension column
4-irregular even grain 5-circular groove 6-oval curved surface cavity
7-lamp plate, 8-LED chip, 9-reflective coating
10-diffuser plate, 100-LED lens.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.Below in conjunction with accompanying drawing, the utility model is described in detail.
Provided by the utility model
oneplant and there are the LED lens inside contracting suspension column, LED chip 8 reflection and refracted ray can be supplied on liquid crystal panel, it comprises lens body 1 and base station 2, described lens body 1 is one-body molded with base station 2, the upper surface of described lens body 1 is the raised type m shape globoidal structure of both sides symmetry, can ensure the uniformity of the light from exiting surface injection; The lower surface of described base station 2 is provided with three and inside contracts suspension column 3, and described three inside contract suspension column 3 setting in isosceles triangle, and are positioned in a circular trace.Preferably, inside contract suspension column 3 described in and be set to conical suspension column.Described lens body 1, base station 2 and inside contract the overall structure that suspension column 3 forms LED lens 100, the transparent resin material by refractive index between 1.3 ~ 1.6, between transmissivity 91 ~ 94 is made.Inside contract suspension column 3 for making LED lens 100 be fixed on lamp plate 7 and ensureing the distance of LED chip 8 to incidence surface, play the effect supporting and fix whole LED lens 100.Changed the position of LED lens suspension column by adjustment, effectively reduce the distance between LED lens suspension column.Therefore reduce the appearance and size of the corresponding lamp bar used, save the structure space of liquid crystal indicator; Inside contracting suspension column 3 can be arranged on narrower lamp plate 7, saves the material of lamp plate 7, thus saves cost, reduces the manufacturing cost of lamp bar, and then reduces the manufacturing cost of LCDs.
In the utility model, the lower surface of described base station 2 is convexly equipped with the netted projection of grid for astigmatism or irregular even grain 4.Further, described irregular even grain 4 is four limit rhombogen arrays.The netted projection of grid is the netted projection that two groups of parallel projections of intersecting are formed, and can be that two groups of parallel projections are orthogonal, or be in prismatic network structure; Described irregular even grain is four limit rhombogen arrays (i.e. diamond texture), light can be made when surface to produce dissipating effect, and then ensure that the uniformity of the light penetrated by described LED lens 100 exiting surface.
In the utility model, the centre of described base station 2 is provided with the circular groove 5 for installing LED, and the middle part of described lens body 1 is provided with the oval curved surface cavity 6 communicated with circular groove 5.After LED lens 100 are fixed on lamp plate 7, LED chip 8 is positioned at circular groove 5; The incidence surface of described oval curved surface cavity 6 is the cone sunk structure of both sides symmetry, and the light that LED chip 8 sends is injected from incidence surface, and a part of light is from exiting surface injection after reflective surface, and another part light directly penetrates from exiting surface.
oneplant the backlight module with LED lens, many the lamp plates 7 comprising described LED lens 100 and be set up in parallel, described lamp plate 7 is equipped with some LED chip 8, described some LED chip 8 are spaced apart and be fixed on the top of described lamp plate 7, and described lamp plate 7 is provided with the spliced eye (in the drawings do not mark) suitable with inside contracting suspension column 3; Vertically insert in spliced eye by inside contracting suspension column 3, described LED lens 100 are fixed on the top of lamp plate 7, and its fixed installation mode is simple, quick.Further, backlight module also includes reflective coating 9 and diffuser plate 10, and described diffuser plate 10 is fixedly installed in the top of LED lens 100, and described reflective coating 9 is positioned at the below of many lamp plates 7 and reflective coating 9 lateral bends.Reflective coating 9 improves the brightness of backlight module, and the brightness of its emergent light is improved, and the uniformity of brightness is better improved, thus makes the brightness of liquid crystal panel high and more even, and display effect is better.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (7)
1.
oneplant and there are the LED lens inside contracting suspension column, comprise lens body and base station, described lens body and base station one-body molded, it is characterized in that: the upper surface of described lens body is m shape globoidal structure, the lower surface of described base station is provided with three and inside contracts suspension column, described three inside contract suspension column be isosceles triangle arrange.
2. according to claim 1
onekind there are the LED lens inside contracting suspension column, it is characterized in that: the lower surface of described base station is convexly equipped with the netted projection of grid for astigmatism or irregular even grain.
3. according to claim 2
oneplant and there are the LED lens inside contracting suspension column, it is characterized in that: described irregular even grain is four limit rhombogen arrays.
4. according to claim 1
oneplant and have the LED lens inside contracting suspension column, it is characterized in that: the centre of described base station is provided with the circular groove for installing LED, the middle part of described lens body is provided with the oval curved surface cavity communicated with circular groove.
5. according to claim 1
onekind there are the LED lens inside contracting suspension column, it is characterized in that: described in inside contract suspension column and be set to conical suspension column.
6.
oneplant the backlight module with LED lens, it is characterized in that: many lamp plates comprising the LED lens according to any one of claim 1 to 5 and be set up in parallel, described lamp plate is equipped with some LED chip, described some LED chip are spaced apart and be fixed on the top of described lamp plate, and described lamp plate is provided with the spliced eye suitable with inside contracting suspension column; Vertically insert in spliced eye by inside contracting suspension column, described LED lens are fixed on the top of lamp plate.
7. according to claim 6
oneplant the backlight module with LED lens, it is characterized in that: backlight module also includes reflective coating and diffuser plate, described diffuser plate is fixedly installed in the top of LED lens, and described reflective coating is positioned at the below of many lamp plates and the lateral of reflective coating bends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577567.5U CN204879961U (en) | 2015-08-04 | 2015-08-04 | LED lens and have backlight unit of LED lens with interior column base that contracts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577567.5U CN204879961U (en) | 2015-08-04 | 2015-08-04 | LED lens and have backlight unit of LED lens with interior column base that contracts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204879961U true CN204879961U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520577567.5U Expired - Fee Related CN204879961U (en) | 2015-08-04 | 2015-08-04 | LED lens and have backlight unit of LED lens with interior column base that contracts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204879961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897163A (en) * | 2020-08-20 | 2020-11-06 | 安徽芯瑞达科技股份有限公司 | Backlight module device for realizing ultra-low OD by matching LED with lens |
| CN111948854A (en) * | 2020-08-21 | 2020-11-17 | 安徽芯瑞达科技股份有限公司 | Ultra-thin straight following formula backlight unit based on chip level light emitting area |
-
2015
- 2015-08-04 CN CN201520577567.5U patent/CN204879961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897163A (en) * | 2020-08-20 | 2020-11-06 | 安徽芯瑞达科技股份有限公司 | Backlight module device for realizing ultra-low OD by matching LED with lens |
| CN111948854A (en) * | 2020-08-21 | 2020-11-17 | 安徽芯瑞达科技股份有限公司 | Ultra-thin straight following formula backlight unit based on chip level light emitting area |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20210804 |