CN202757009U - Direct type backlight module and display device - Google Patents
Direct type backlight module and display device Download PDFInfo
- Publication number
- CN202757009U CN202757009U CN201220385521XU CN201220385521U CN202757009U CN 202757009 U CN202757009 U CN 202757009U CN 201220385521X U CN201220385521X U CN 201220385521XU CN 201220385521 U CN201220385521 U CN 201220385521U CN 202757009 U CN202757009 U CN 202757009U
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- led lamp
- reflection bar
- adjacent
- backboard
- display device
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Abstract
The utility model provides a direct type backlight module and a display device, wherein the direct type backlight module comprises a rear panel and light-emitting diode (LED) lights, the LED lights are arranged on the rear panel, reflecting bars are placed on the rear panel and the cross section of the reflecting bars is triangle-shaped or ladder-shaped. The reflecting bars are arranged between adjacent two rows of the LED lights and/ or between two columns of the LED lights. Due to the facts that the reflecting bars are arranged between the adjacent two LED lights and the uses of luminous flux of the LED lights can be maximized by the reflecting bars, light emitted from the LED lights can be fully concentrated after reflected by the reflecting bars, the light between the adjacent two LED lights can be mixed evenly, the problem that spacing between the adjacent LED lights are too large and the light of the adjacent LED lights can not be mixed evenly so that the phenomenon of color mottle occurs is avoided, the spacing between the LED lights in the direct type backlight module is increased and manufacturing cost of the display device is reduced.
Description
Technical field
The utility model relates to display unit, relates in particular to a kind of down straight aphototropism mode set and display device.
Background technology
At present, display device (for example: television set or display) is widely used in the daily life.Backlight module in the display device is divided into side-light type and straight-down negative, generally include the assemblies such as backboard and LED lamp for down straight aphototropism mode set, the LED lamp is arranged on the backboard uniformly as light emitting source, and the needs backlight that the LED lamp produces evenly are communicated on the whole screen of display device, for fear of the phenomenon that hot spot occurs, usually adopt on the backboard in the prior art in the down straight aphototropism mode set and arrange a large amount of LED lamps, when adjacent LED lamp spacing is excessive, the light mixed light of adjacent LED lamp is inhomogeneous, the phenomenon that hot spot occurs easily, down straight aphototropism mode set of the prior art is usually dwindled adjacent LED lamp spacing and is being determined that the spacing of guaranteeing the LED lamp under the light mixing distance is no more than the limit spacing that produces hot spot, has enough luminous fluxes to avoid producing hot spot to guarantee the LED light fixture.As from the foregoing, the spacing of LED lamp is less in the down straight aphototropism mode set of the prior art, needs to use a large amount of LED lamps, causes the manufacturing cost of display device higher.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of down straight aphototropism mode set and display device are provided, it is less to solve in the prior art in the down straight aphototropism mode set spacing of LED lamp, the higher defective of manufacturing cost that causes display device, realize increasing the spacing of LED lamp in the down straight aphototropism mode set, to reduce the display device manufacturing cost.
The technical scheme that the utility model provides is, a kind of down straight aphototropism mode set comprises backboard and LED lamp, and described LED lamp is arranged on the described backboard, is provided with reflection bar on the described backboard, and the cross section of described reflection bar is triangle or trapezoidal; Be provided with described reflection bar between the described LED lamp of adjacent two rows, and/or, be provided with described reflection bar between the described LED lamp of adjacent two row.
The down straight aphototropism mode set that the utility model provides, by between the adjacent LED lamp reflection bar being set, can utilize to greatest extent the luminous flux of LED lamp by reflection bar, make light that the LED lamp sends through abundant optically focused after the reflection of reflection bar, make the light even light mixing of adjacent LED lamp, avoid causing because LED lamp spacing is excessive the inhomogeneous phenomenon that causes hot spot of light mixed light of adjacent LED lamp, realization has increased the spacing of LED lamp in the down straight aphototropism mode set, to have reduced the display device manufacturing cost.
Aforesaid down straight aphototropism mode set offers groove on the described backboard, and described LED lamp is arranged in described groove, and the sidewall of adjacent two described grooves forms described reflection bar.
Aforesaid down straight aphototropism mode set is provided with grid on the described backboard, and described LED lamp is arranged in described grid, and the parting bead of described grid forms described reflection bar.
Aforesaid down straight aphototropism mode set, the angle between the top edge of the centre of luminescence of described LED lamp and the sidewall of described reflection bar are not less than 120 degree.
Aforesaid down straight aphototropism mode set is coated with one deck reflectance coating on the sidewall of described reflection bar.
The technical scheme that the utility model provides is that a kind of display device comprises down straight aphototropism mode set, described down straight aphototropism mode set comprises backboard and LED lamp, described LED lamp is arranged on the described backboard, is provided with reflection bar on the described backboard, and the cross section of described reflection bar is triangle or trapezoidal; Be provided with described reflection bar between the described LED lamp of adjacent two rows, and/or, be provided with described reflection bar between the described LED lamp of adjacent two row.
The display device that the utility model provides, by between the adjacent LED lamp reflection bar being set, can utilize to greatest extent the luminous flux of LED lamp by reflection bar, make light that the LED lamp sends through abundant optically focused after the reflection of reflection bar, make the light even light mixing of adjacent LED lamp, avoid causing because LED lamp spacing is excessive the inhomogeneous phenomenon that causes hot spot of light mixed light of adjacent LED lamp, realize having increased the spacing of LED lamp in the down straight aphototropism mode set, to have reduced the display device manufacturing cost.
Aforesaid display device offers groove on the described backboard, and described LED lamp is arranged in described groove, and the sidewall of adjacent two described grooves forms described reflection bar.
Aforesaid display device is provided with grid on the described backboard, and described LED lamp is arranged in described grid, and the parting bead of described grid forms described reflection bar.
Aforesaid display device, the angle between the top edge of the centre of luminescence of described LED lamp and the sidewall of described reflection bar are not less than 120 degree.
Aforesaid display device is coated with one deck reflectance coating on the sidewall of described reflection bar.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model down straight aphototropism mode set embodiment;
Fig. 2 be among Fig. 1 A-A to cutaway view one;
Fig. 3 be among Fig. 1 A-A to cutaway view two.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model down straight aphototropism mode set embodiment.As shown in Figure 1, the present embodiment down straight aphototropism mode set, comprise backboard 1 and LED lamp 2, LED lamp 2 is arranged on the backboard 1, be provided with reflection bar 3 on the backboard 1, the cross section of reflection bar 3 is triangle or trapezoidal, is provided with reflection bar 3 between the adjacent two row LED lamps 2, and/or, be provided with reflection bar 3 between the adjacent two row LED lamps 3.
Particularly, be provided with the LED lamp 2 that array is arranged on the backboard 1 of present embodiment down straight aphototropism mode set, reflection bar 3 can be set between two adjacent LEDs lamp 2, with the light that sends by reflection bar 3 reflection LED lamps 2, make the light even light mixing of adjacent LED lamp 2, avoid causing because LED lamp spacing is excessive the inhomogeneous phenomenon that causes hot spot of light mixed light of adjacent LED lamp.Wherein, can between adjacent two rows or two row LED lamps 2, reflection bar 3 be set, preferred, around LED lamp 2, be provided with reflection bar 3.In addition, the cross section of the reflection bar in the present embodiment 3 is preferably isosceles triangular structure or isosceles trapezoidal structure.
Wherein, the reflection bar in the present embodiment 3 can have various ways.As shown in Figure 2, offer groove 30 on the backboard 1 in this enforcement, LED lamp 2 is arranged in groove 30, and the sidewall of adjacent two grooves 30 forms reflection bar 3.Concrete, by offering groove 30 at backboard 1, the angle between the sidewall of this groove and the bottom land of groove is the obtuse angle, and the sidewall of adjacent two grooves 30 just forms reflection bar 3, and LED lamp 2 just can be put in the groove 30 on the backboard 1.Perhaps, as shown in Figure 3, be provided with grid 31 on the backboard 1 in the present embodiment, LED lamp 2 is arranged in the space that grid 31 forms, and the parting bead of grid 31 forms reflection bar 3.Concrete, the cross section of the parting bead in the present embodiment in the grid 31 can be triangle or trapezoidal, and the parting bead in the grid 31 just consists of reflection bar 3, and LED lamp 2 just can be put in the grid 31.
Further, can be luminous to greatest extent in order to ensure LED lamp 2, the angle between the top edge of the centre of luminescence of the LED lamp 2 in the present embodiment and the sidewall of reflection bar 3 is not less than 120 degree.Concrete, the reflection bar 3 in the present embodiment can guarantee that LED lamp 2 rising angles are not less than in the situation of 120 degree, utilizes to greatest extent the luminous flux of LED lamp 2, the abundant optically focused of energy after making it to reflect is further realized the spacing between the increase LED lamp 2.Preferably, can be coated with one deck reflectance coating (not shown) on the sidewall of the reflection bar 3 in the present embodiment, can reflect by the more effective light that LED lamp 2 is sent by reflectance coating, to utilize more fully the luminous flux of LED lamp 2.
The present embodiment down straight aphototropism mode set, by between the adjacent LED lamp reflection bar being set, can utilize to greatest extent the luminous flux of LED lamp by reflection bar, make light that the LED lamp sends through abundant optically focused after the reflection of reflection bar, make the light even light mixing of adjacent LED lamp, avoid causing because LED lamp spacing is excessive the inhomogeneous phenomenon that causes hot spot of light mixed light of adjacent LED lamp, realize having increased the spacing of LED lamp in the down straight aphototropism mode set, to have reduced the display device manufacturing cost.
The utility model also provides a kind of display device, comprises down straight aphototropism mode set, and down straight aphototropism mode set comprises backboard and LED lamp, and the LED lamp is arranged on the backboard, is provided with reflection bar on the backboard, and the cross section of reflection bar is triangle or trapezoidal; Be provided with reflection bar between the adjacent two row LED lamps, and/or, be provided with reflection bar between the adjacent two row LED lamps.
Particularly, down straight aphototropism mode set in the present embodiment can adopt the down straight aphototropism mode set among the utility model down straight aphototropism mode set embodiment, its concrete structure can referring to the record of the utility model down straight aphototropism mode set embodiment and accompanying drawing 1-Fig. 3, not repeat them here.
The present embodiment display device, by between the adjacent LED lamp reflection bar being set, can utilize to greatest extent the luminous flux of LED lamp by reflection bar, make light that the LED lamp sends through abundant optically focused after the reflection of reflection bar, make the light even light mixing of adjacent LED lamp, avoid causing because LED lamp spacing is excessive the inhomogeneous phenomenon that causes hot spot of light mixed light of adjacent LED lamp, realize having increased the spacing of LED lamp in the down straight aphototropism mode set, to have reduced the display device manufacturing cost.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a down straight aphototropism mode set comprises backboard and LED lamp, and described LED lamp is arranged on the described backboard, it is characterized in that, is provided with reflection bar on the described backboard, and the cross section of described reflection bar is triangle or trapezoidal; Be provided with described reflection bar between the described LED lamp of adjacent two rows, and/or, be provided with described reflection bar between the described LED lamp of adjacent two row.
2. down straight aphototropism mode set according to claim 1 is characterized in that, offers groove on the described backboard, and described LED lamp is arranged in described groove, and the sidewall of adjacent two described grooves forms described reflection bar.
3. down straight aphototropism mode set according to claim 1 is characterized in that, is provided with grid on the described backboard, and described LED lamp is arranged in described grid, and the parting bead of described grid forms described reflection bar.
4. down straight aphototropism mode set according to claim 1 is characterized in that, the angle between the top edge of the centre of luminescence of described LED lamp and the sidewall of described reflection bar is not less than 120 degree.
5. arbitrary described down straight aphototropism mode set is characterized in that according to claim 1-4, is coated with one deck reflectance coating on the sidewall of described reflection bar.
6. a display device comprises down straight aphototropism mode set, and described down straight aphototropism mode set comprises backboard and LED lamp, described LED lamp is arranged on the described backboard, it is characterized in that, be provided with reflection bar on the described backboard, the cross section of described reflection bar is triangle or trapezoidal; Be provided with described reflection bar between the described LED lamp of adjacent two rows, and/or, be provided with described reflection bar between the described LED lamp of adjacent two row.
7. display device according to claim 6 is characterized in that, offers groove on the described backboard, and described LED lamp is arranged in described groove, and the sidewall of adjacent two described grooves forms described reflection bar.
8. display device according to claim 6 is characterized in that, is provided with grid on the described backboard, and described LED lamp is arranged in described grid, and the parting bead of described grid forms described reflection bar.
9. display device according to claim 6 is characterized in that, the angle between the top edge of the centre of luminescence of described LED lamp and the sidewall of described reflection bar is not less than 120 degree.
10. arbitrary described display device is characterized in that according to claim 6-9, is coated with one deck reflectance coating on the sidewall of described reflection bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220385521XU CN202757009U (en) | 2012-08-06 | 2012-08-06 | Direct type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220385521XU CN202757009U (en) | 2012-08-06 | 2012-08-06 | Direct type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757009U true CN202757009U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220385521XU Expired - Lifetime CN202757009U (en) | 2012-08-06 | 2012-08-06 | Direct type backlight module and display device |
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| CN (1) | CN202757009U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728671A (en) * | 2015-02-09 | 2015-06-24 | 中南民族大学 | LED lattice backlight device and backlight producing method thereof |
| CN106842709A (en) * | 2016-12-08 | 2017-06-13 | 环球智达科技（北京）有限公司 | A kind of assembly type backing structure |
| CN107976842A (en) * | 2017-10-30 | 2018-05-01 | 东风汽车电子有限公司 | A kind of split type liquid crystal of combination instrument |
| CN110426894A (en) * | 2019-07-19 | 2019-11-08 | 惠州伟志电子有限公司 | A kind of down straight aphototropism mode set of polymorphic structure |
| CN110543048A (en) * | 2019-07-19 | 2019-12-06 | 惠州伟志电子有限公司 | Direct type backlight module comprising perforated layer |
-
2012
- 2012-08-06 CN CN201220385521XU patent/CN202757009U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728671A (en) * | 2015-02-09 | 2015-06-24 | 中南民族大学 | LED lattice backlight device and backlight producing method thereof |
| CN106842709A (en) * | 2016-12-08 | 2017-06-13 | 环球智达科技（北京）有限公司 | A kind of assembly type backing structure |
| CN107976842A (en) * | 2017-10-30 | 2018-05-01 | 东风汽车电子有限公司 | A kind of split type liquid crystal of combination instrument |
| CN110426894A (en) * | 2019-07-19 | 2019-11-08 | 惠州伟志电子有限公司 | A kind of down straight aphototropism mode set of polymorphic structure |
| CN110543048A (en) * | 2019-07-19 | 2019-12-06 | 惠州伟志电子有限公司 | Direct type backlight module comprising perforated layer |
| CN110426894B (en) * | 2019-07-19 | 2024-02-06 | 惠州伟志电子有限公司 | Direct type backlight module with special-shaped structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |