CN204785868U - Straight following formula DLED backlight unit - Google Patents
Straight following formula DLED backlight unit Download PDFInfo
- Publication number
- CN204785868U CN204785868U CN201520460931.XU CN201520460931U CN204785868U CN 204785868 U CN204785868 U CN 204785868U CN 201520460931 U CN201520460931 U CN 201520460931U CN 204785868 U CN204785868 U CN 204785868U
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- China
- Prior art keywords
- guide plate
- light guide
- light
- led light
- plate structure
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- 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.)
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Abstract
The utility model discloses a straight following formula DLED backlight unit, end box from the bottom up are equipped with the reflecting plate in proper order, be shaded light source and light guide plate, and light source in a poor light includes the lamp strip more than two, sets up the luminescent light pearl more than two on every lamp strip, and the reflecting plate has folding angle, and the folding angle of reflecting plate makes the luminous firing angle of lamp pearl be 120. The utility model discloses the luminous firing angle of lamp pearl be 120, reaches luminous effect of the best and visual effect, avoids the shadow phenomenon, improve to show luminance, and under the prerequisite of effect and LCD TV size of a dimension of guaranteeing to be shaded from the sun, reduction LED lamp quantity, reduce cost, watermark or printing refletion point on the light guide plate realize that the homogeneity of light is adjusted, have simplified the structure, the cost is reduced, the colour temperature ply reaches the mesh of being convenient for change the light source colour, screw connection behind frame and the end box joint, make the frame with the screw connection before can have an essential location, the left and right sides when avoiding mounting screw is rocked, adopts earlier through the mode of joint, also reduces the quantity of screw connection.
Description
Technical field
The utility model relates to DLED technical field of television sets, specifically a kind of straight-down negative DLED backlight module.
Background technology
In prior art, DLED backlight module due to vibrational power flow unreasonable, be difficult to reach preferably result of use.
Therefore, a kind of straight-down negative DLED backlight module of special needs, to solve problems of the prior art.
Utility model content
The purpose of this utility model is to solve in prior art, DLED backlight module due to vibrational power flow unreasonable, be difficult to reach the defect of preferably result of use, a kind of straight-down negative DLED backlight module be provided, solve problems of the prior art.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of straight-down negative DLED backlight module, comprise end box and be arranged on the housing on end box, end box is provided with reflecting plate, back light and light guide plate from top to bottom successively, it is characterized in that: described back light comprises plural lamp bar, described each lamp bar arranges plural electroluminescent lamp pearl, described reflecting plate has folding angles, and the folding angles of described reflecting plate makes the luminous firing angle of lamp pearl be 120 °.
In the utility model, described light guide plate being arranged watermark or laser printing has pip for light regulating uniformity.
In the utility model, described light guide plate is arranged colour temperature ply of paper.
In the utility model, the color of described colour temperature ply of paper is red, blue or golden.
In the utility model, described housing is connected with screw after end box clamping.
In the utility model, the below of described light guide plate arranges fluorescence coating.
In the utility model, the paper layer of white clear is set between described fluorescence coating and light guide plate.
In the utility model, the top of described light guide plate arranges fluorescence coating.
In the utility model, the paper layer of white clear is set between described fluorescence coating and light guide plate.
Beneficial effect
A kind of straight-down negative DLED backlight module of the present utility model, compared with prior art, the luminous firing angle of lamp pearl is 120 °, reach best illumination effect and visual effect, effectively prevent shadow phenomenon, improve display brightness, under the prerequisite ensureing backlight effect and LCD TV size, decrease the consumption of LED, reduce cost; By watermark on light guide plate or printing pip, the uniformity realizing light regulates, and simplifies the structure, reduces cost; Colour temperature ply of paper can reach the object being convenient to change light source colour; Housing is connected with screw after end box clamping, makes housing can have a basic location before being connected with screw, double swerve when avoiding screw to install, adopts first by the mode of clamping, also reduces the quantity that screw connects; Adopt fluorescence layer structure, play the effect of auxiliary light emission, realize making full use of the energy, saved resource; White clear paper layer structure, can play the effect changing fluorescence color, avoid the confusion of light source colour; Wherein in a kind of embodiment, fluorescence coating is arranged on the top of light guide plate, fluorescence coating can be made fully to absorb light-source brightness, can maximized auxiliary light emission, but can stop source light a little; In another embodiment, fluorescence coating is arranged on the below of light guide plate, is the embodiment of the best, namely can auxiliary light emission, can not stop source light again, reach good result of use; As the third embodiment, first two can be combinationally used, also can reach good result of use; Structure is simple, very practical, realizes the purpose of this utility model.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
The structural representation of Fig. 2 the utility model back light.
In figure: 1, end box; 2, housing; 3, back light; 4, light guide plate; 5, lamp bar; 6, electroluminescent lamp pearl; 7, folding angles; 9, reflecting plate.
Detailed description of the invention
In the view of whole accompanying drawing, corresponding reference symbol represents corresponding parts.
A kind of straight-down negative DLED backlight module, the housing 2 comprising end box 1 and be arranged on end box 1, end box 1 is provided with reflecting plate 9, back light 3 and light guide plate 4 from top to bottom successively, back light 3 comprises plural lamp bar 5, each lamp bar 5 arranges plural electroluminescent lamp pearl 6, reflecting plate 9 has folding angles 7, and the folding angles 7 of reflecting plate 9 makes the luminous firing angle of lamp pearl 6 be 120 °; Reach best illumination effect and visual effect, effectively prevent shadow phenomenon, improve display brightness, under the prerequisite ensureing backlight effect and LCD TV size, decrease the consumption of LED, reduce cost;
Guide-lighting 4 plates are arranged watermark or laser printing and have pip for light regulating uniformity, the uniformity realizing light regulates, and simplifies the structure, reduces cost.
Light guide plate 4 is arranged colour temperature ply of paper (not shown); Colour temperature ply of paper can reach the object being convenient to change light source colour, and as preferred embodiment, the color of colour temperature ply of paper is red, blue or golden.
Housing 2 is connected with screw after end box 1 clamping; Housing is connected with screw after end box clamping, makes housing can have a basic location before being connected with screw, double swerve when avoiding screw to install, adopts first by the mode of clamping, also reduces the quantity that screw connects.
Adopt fluorescence layer structure, play the effect of auxiliary light emission, realize making full use of the energy, saved resource; White clear paper layer structure, can play the effect changing fluorescence color, avoid the confusion of light source colour; Wherein in a kind of embodiment, fluorescence coating is arranged on the top of light guide plate 4, fluorescence coating can be made fully to absorb light-source brightness, can maximized auxiliary light emission, but can stop source light a little; In another embodiment, fluorescence coating is arranged on the below of light guide plate 4, is the embodiment of the best, namely can auxiliary light emission, can not stop source light again, reach good result of use; As the third embodiment, first two can be combinationally used, also can reach good result of use.
Above-mentioned is can understand for ease of those skilled in the art and use the utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (9)
1. a straight-down negative DLED backlight module, comprise end box and be arranged on the housing on end box, box of the described end is provided with reflecting plate, back light and light guide plate from top to bottom successively, it is characterized in that: described back light comprises plural lamp bar, described each lamp bar arranges plural electroluminescent lamp pearl, described reflecting plate has folding angles, and the folding angles of described reflecting plate makes the luminous firing angle of lamp pearl be 120 °.
2. LED light conducting plate structure according to claim 1, is characterized in that: described light guide plate being arranged watermark or laser printing has pip for light regulating uniformity
3. LED light conducting plate structure according to claim 1, is characterized in that: described light guide plate is arranged colour temperature ply of paper.
4. LED light conducting plate structure according to claim 3, is characterized in that: the color of described colour temperature ply of paper is for red, blue or golden.
5. LED light conducting plate structure according to claim 1, is characterized in that: described housing is connected with screw after end box clamping.
6., according to the arbitrary described LED light conducting plate structure of claim 1 to 5, it is characterized in that: the below of described light guide plate arranges fluorescence coating.
7. LED light conducting plate structure according to claim 6, is characterized in that: the paper layer arranging white clear between described fluorescence coating and light guide plate.
8., according to the arbitrary described LED light conducting plate structure of claim 1 to 5, it is characterized in that: the top of described light guide plate arranges fluorescence coating.
9. LED light conducting plate structure according to claim 8, is characterized in that: the paper layer arranging white clear between described fluorescence coating and light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460931.XU CN204785868U (en) | 2015-06-29 | 2015-06-29 | Straight following formula DLED backlight unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460931.XU CN204785868U (en) | 2015-06-29 | 2015-06-29 | Straight following formula DLED backlight unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785868U true CN204785868U (en) | 2015-11-18 |
Family
ID=54525915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520460931.XU Expired - Fee Related CN204785868U (en) | 2015-06-29 | 2015-06-29 | Straight following formula DLED backlight unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103188A1 (en) * | 2018-11-22 | 2020-05-28 | 惠科股份有限公司 | Backlight module and display device |
-
2015
- 2015-06-29 CN CN201520460931.XU patent/CN204785868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103188A1 (en) * | 2018-11-22 | 2020-05-28 | 惠科股份有限公司 | Backlight module and display device |
| US11378842B2 (en) | 2018-11-22 | 2022-07-05 | HKC Corporation Limited | Backlight module and display device |
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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: 20151118 Termination date: 20180629 |