CN205842379U - A kind of side entrance back module and display device - Google Patents
A kind of side entrance back module and display device Download PDFInfo
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- CN205842379U CN205842379U CN201620769691.6U CN201620769691U CN205842379U CN 205842379 U CN205842379 U CN 205842379U CN 201620769691 U CN201620769691 U CN 201620769691U CN 205842379 U CN205842379 U CN 205842379U
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- led
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- light guide
- guide plate
- back module
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Abstract
The utility model discloses a kind of side entrance back module and display device；Side entrance back module includes light guide plate assembly, light guide plate assembly includes the first light guide plate and the second light guide plate, the incident side of light guide plate assembly is provided with lamp bar, lamp bar includes pcb board and double-deck LED lamp component, double-deck LED lamp component include with the first light guide plate just to first group of LED and with the second light guide plate just to second group of LED, first group of LED is staggered along the length direction of pcb board with second group of LED；Side entrance back module of the present utility model and display device, by arranging staggered double-deck LED lamp component, first group of LED is complementary to one another with the light beam of second group of LED, solve lamp shadow problem, and add the luminous flux of single-sided illumination, improve the brightness of backlight, solve and cause, because increasing backlight illumination, the problem that module is blocked up, incident side temperature is higher.
Description
Technical field
This utility model relates to back light model setting technology field, particularly relates to a kind of side entrance back module and display device.
Background technology
In existing side entrance back module, owing to single LED lamp lighting angle is 120 °, because of by single LED lamp lighting angle
Restriction, there is light dark space in the position between two LEDs, clear zone alternately manifests with dark space, is lamp shadow.Side entering type is carried on the back
For light module, lamp shadow is relatively common, also compares and is difficult to resolve certainly.Additionally, existing side entrance back module is for thinner design, will
Incident side be arranged on ground side, monolateral enter light limited brightness, it is impossible to meet super brightness module design, and if polygon enter light just
Cannot accomplish ultra-thin, and increase drives electric current that temperature can be caused too high.Therefore, it is necessary to research and development one can improve lamp shadow, lifting
The side entrance back module of backlight illumination.
Utility model content
First purpose of the present utility model is to provide a kind of side entrance back module, and it not only solves lamp shadow and asks
Topic, and add the luminous flux of single-sided illumination, improve the brightness of backlight.
Second purpose of the present utility model is to provide a kind of display device comprising above-mentioned side entrance back module,
It not only solves lamp shadow problem, and adds the luminous flux of single-sided illumination, improves the brightness of backlight.
For reaching first purpose, this utility model by the following technical solutions:
A kind of side entrance back module, including light guide plate assembly, light guide plate assembly includes the first light guide plate and the second leaded light
Plate, the incident side of light guide plate assembly is provided with lamp bar, and lamp bar includes pcb board and the double-deck LED lamp component being arranged on pcb board,
Double-deck LED lamp component includes first group of LED and second group of LED, and first group of LED is relative with the position of the first light guide plate,
Second group of LED is relative with the position of the second light guide plate, and first group of LED is handed over along the length direction of pcb board with second group of LED
Staggered arrangement arranges.
Wherein, first group of LED includes several the first LED equidistantly arranged along the length direction of pcb board, second
Group LED includes several the second LED equidistantly arranged along the length direction of pcb board.
Wherein, the first LED is just to the gap between two adjacent the second LED, and the length of the first LED is more than
Equal to the gap between two adjacent the second LED, the second LED just to the gap between two adjacent the first LED,
And second the length of LED more than or equal to the gap between adjacent two the first LED.
Wherein, first group of LED and second group of LED are 0.1～0.3mm along the gap of the short transverse of pcb board.
Wherein, pcb board is provided with heat sink strip in the side deviating from double-deck LED lamp component, the lower end edge level side of heat sink strip
To the lower section extending inwardly to light guide plate assembly.
Wherein, being provided with reflector plate between light guide plate assembly and heat sink strip, the lower section of heat sink strip is provided with backboard.
Wherein, light guide plate assembly be provided above optical diaphragm assembly, optical diaphragm assembly includes the most successively
First brightening piece, the second brightening piece and diffusion sheet.
For reaching second purpose, this utility model by the following technical solutions:
A kind of display device, including above-mentioned side entrance back module.
The beneficial effects of the utility model: a kind of side entrance back module, including light guide plate assembly, light guide plate assembly includes
First light guide plate and the second light guide plate, the incident side of light guide plate assembly is provided with lamp bar, and lamp bar includes pcb board and is arranged on PCB
Double-deck LED lamp component on plate, double-deck LED lamp component includes first group of LED and second group of LED, first group of LED and the
The position of one light guide plate is relative, and second group of LED is relative with the position of the second light guide plate, first group of LED and second group of LED
Length direction along pcb board is staggered.Side entrance back module of the present utility model and display device, by arranging staggered row
The double-deck LED lamp component of row, and first group of LED is relative with the position of the first light guide plate, second group of LED and the second light guide plate
Position relative so that first group of LED is complementary to one another with the light beam of second group of LED, solves lamp shadow problem, and adds
The luminous flux of single-sided illumination, improves the brightness of backlight, solves and causes that module thickness is excessive, enter light because increasing backlight illumination
The problem that side temperature is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of side entrance back module of the present utility model.
Fig. 2 is the structural representation of lamp bar of the present utility model.
Reference is as follows:
1-the first light guide plate；2-the second light guide plate；3-PCB plate；4-the first LED；5-the second LED；6-heat sink strip；7-
Reflector plate
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with Fig. 1 to Fig. 2 and by specific embodiment.
As depicted in figs. 1 and 2, a kind of side entrance back module, including light guide plate assembly (not shown), light guide plate assembly bag
Including the first light guide plate 1 and the second light guide plate 2, the incident side of light guide plate assembly is provided with lamp bar (not shown), and lamp bar includes pcb board
3 include first group of LED (not shown) with the double-deck LED lamp component (not shown) being arranged on pcb board 3, double-deck LED lamp component
With second group of LED (not shown), first group of LED is relative with the position of the first light guide plate 1, and second group of LED is led with second
The position of tabula rasa 2 is relative, and first group of LED is staggered along the length direction of pcb board 3 with second group of LED.This utility model
Side entrance back module, by arranging staggered double-deck LED lamp component, and first group of LED and the first light guide plate 1
Position is relative, and second group of LED is relative with the position of the second light guide plate 2 so that first group of LED and the light of second group of LED
Bundle is complementary to one another, and solves lamp shadow problem, and adds the luminous flux of single-sided illumination, improves the brightness of backlight, solve because of
Increase backlight illumination and cause the problem that module thickness is excessive, incident side temperature is higher.
As depicted in figs. 1 and 2, in the present embodiment, first group of LED includes that several are along between the length direction etc. of pcb board 3
Away from the first LED 4 of arrangement, second group of LED includes several the 2nd LED equidistantly arranged along the length direction of pcb board 3
Lamp 5.Several the first LED 4 and several second LED 5 the most equidistantly arrange, preferably to alleviate lamp shadow problem.
As in figure 2 it is shown, in the present embodiment, the first LED 4 just to the gap between two adjacent the second LED 5, and
The length of the first LED 4 is more than or equal to the gap between two adjacent the second LED 5, and the second LED 5 is just to adjacent two
Gap between individual first LED 4, and the length of the second LED 5 is more than or equal between adjacent two the first LED 4
Gap, preferably to alleviate lamp shadow problem.
As in figure 2 it is shown, in this utility model, first group of LED and second group of LED are along between the short transverse of pcb board 3
Gap is 0.1～0.3mm.In the present embodiment, first group of LED and second group of LED along the gap of the short transverse of pcb board 3 are
0.2mm, in other embodiments, first group of LED and second group of LED can be according to need along the gap of the short transverse of pcb board 3
The numerical value such as 0.1mm, 0.3mm to be selected.
As it is shown in figure 1, in the present embodiment, pcb board 3 is provided with heat sink strip 6 in the side deviating from double-deck LED lamp component, dissipates
The lower end edge horizontal direction of hot bar 6 extends inwardly to the lower section of light guide plate assembly, is provided with between light guide plate assembly and heat sink strip 6
Reflector plate 7, the lower section of heat sink strip 6 is provided with backboard (not shown).Heat sink strip 6 the temperature that can be effectively reduced incident side is set
Degree.
In the present embodiment, light guide plate assembly be provided above optical diaphragm assembly (not shown), optical diaphragm assembly from
Under include the first brightening piece (not shown), the second brightening piece (not shown) and diffusion sheet (not shown) successively to upper.Point source warp
The optical characteristics crossing light guide plate assembly becomes area source, then adding lustre to and even light by optical diaphragm assembly, it is achieved turning of backlight
Change process.Preferably, the periphery of light guide plate assembly is provided with center.
A kind of display device (not shown), including above-mentioned side entrance back module.By arranging staggered bilayer
LED lamp component, and first group of LED is relative with the position of the first light guide plate 1, second group of LED and the position of the second light guide plate 2
Relatively so that first group of LED is complementary to one another with the light beam of second group of LED, solve lamp shadow problem, and add one side and enter
The luminous flux of light, improves the brightness of backlight, solves and causes because increasing backlight illumination that module thickness is excessive, incident side temperature
Higher problem.
The light beam that first group of LED of the present utility model and second group of LED send respectively enters the first light guide plate 1 and
Two light guide plates 2, utilize the total reflection principle of optics, and light beam is covered with whole light guide plate assembly and forms the conversion of area source, in conduction
During, the ink of light guide plate assembly bottom surface or radium-shine structure can destroy the total reflection of light, make light go out light from light guide plate assembly
Optical diaphragm assembly is penetrated and is transferred in face, and the light beam that double-deck LED lamp component produces is through the optical transition of light guide plate assembly, real
The superposition of existing energy, thus realize the lifting of module brightness, and single-sided illumination contrasts many sides and enters light, can greatly reduce backlight
The integral thickness of module.Additionally, due to the lighting angle of single LED lamp is 120 °, there is lamp shadow in traditional side entrance back module
Problem, and double-deck LED lamp component of the present utility model takes staggered mode so that the first LEDs of first group of LED
The light beam that lamp produces affects the dark space between the first LED lamp of second group of LED and the second LED lamp, so that second
Dark space brightness between two LED lamp of group LED is compensated, the problem solving lamp shadow.
Side entrance back module of the present utility model and display device are possible not only to solve the lamp shadow problem of incident side, also may be used
To increase the luminous flux of single-sided illumination so that module brightness reaches 1.5～1.8 times of prior art, and can solve the problem that existing skill
The problem that module thickness is excessive, incident side temperature is too high caused because increasing backlight illumination in art.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to this reality
By novel thought, the most all will change, this specification content should not be construed as
To restriction of the present utility model.
Claims (8)
1. a side entrance back module, it is characterised in that include that light guide plate assembly, described light guide plate assembly include that first is guide-lighting
Plate (1) and the second light guide plate (2), the incident side of described light guide plate assembly is provided with lamp bar, described lamp bar include pcb board (3) and
Being arranged on the double-deck LED lamp component on described pcb board (3), described double-deck LED lamp component includes first group of LED and second group
LED, described first group of LED is relative with the position of described first light guide plate (1), described second group of LED and described second
The position of light guide plate (2) is relative, and described first group of LED and described second group of LED are along the length direction of described pcb board (3)
It is staggered.
Side entrance back module the most according to claim 1, it is characterised in that described first group of LED includes several
The first LED (4) equidistantly arranged along the length direction of described pcb board (3), described second group of LED includes several edges
The second LED (5) that the length direction of described pcb board (3) equidistantly arranges.
Side entrance back module the most according to claim 2, it is characterised in that described first LED (4) is just to adjacent
Gap between two described second LED (5), and the length of described first LED (4) is more than or equal to described in adjacent two
Gap between second LED (5), described second LED (5) is just between two adjacent described first LED (4)
Gap, and the length of described second LED (5) is more than or equal to the gap between two adjacent described first LED (4).
Side entrance back module the most according to claim 1, it is characterised in that described first group of LED and described second
Group LED is 0.1～0.3mm along the gap of the short transverse of described pcb board (3).
Side entrance back module the most according to claim 1, it is characterised in that described pcb board (3) is deviating from described bilayer
The side of LED lamp component is provided with heat sink strip (6), the lower end edge horizontal direction of described heat sink strip (6) extend inwardly to described in lead
The lower section of light panel components.
Side entrance back module the most according to claim 5, it is characterised in that described light guide plate assembly and described heat sink strip
(6) being provided with reflector plate (7) between, the lower section of described heat sink strip (6) is provided with backboard.
Side entrance back module the most according to claim 1, it is characterised in that being provided above of described light guide plate assembly
Optical diaphragm assembly, described optical diaphragm assembly includes the first brightening piece, the second brightening piece and diffusion sheet the most successively.
8. a display device, it is characterised in that include the side entrance back module as according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769691.6U CN205842379U (en) | 2016-07-20 | 2016-07-20 | A kind of side entrance back module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769691.6U CN205842379U (en) | 2016-07-20 | 2016-07-20 | A kind of side entrance back module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205842379U true CN205842379U (en) | 2016-12-28 |
Family
ID=57624719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620769691.6U Active CN205842379U (en) | 2016-07-20 | 2016-07-20 | A kind of side entrance back module and display device |
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| CN (1) | CN205842379U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908994A (en) * | 2017-03-13 | 2017-06-30 | 合肥京东方光电科技有限公司 | LED light bar and the backlight module with the LED light bar |
| CN107121835A (en) * | 2017-06-01 | 2017-09-01 | 武汉天马微电子有限公司 | Backlight module and display device |
| CN107327733A (en) * | 2017-07-24 | 2017-11-07 | 深圳市华星光电技术有限公司 | A kind of side entrance back LED light bar and display |
| CN110221479A (en) * | 2019-07-19 | 2019-09-10 | 武汉天马微电子有限公司 | A kind of backlight module and display device |
-
2016
- 2016-07-20 CN CN201620769691.6U patent/CN205842379U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908994A (en) * | 2017-03-13 | 2017-06-30 | 合肥京东方光电科技有限公司 | LED light bar and the backlight module with the LED light bar |
| US10969539B2 (en) | 2017-03-13 | 2021-04-06 | Boe Technology Group Co., Ltd. | LED light strip and backlight module having the same |
| CN107121835A (en) * | 2017-06-01 | 2017-09-01 | 武汉天马微电子有限公司 | Backlight module and display device |
| CN107327733A (en) * | 2017-07-24 | 2017-11-07 | 深圳市华星光电技术有限公司 | A kind of side entrance back LED light bar and display |
| CN110221479A (en) * | 2019-07-19 | 2019-09-10 | 武汉天马微电子有限公司 | A kind of backlight module and display device |
| CN110221479B (en) * | 2019-07-19 | 2022-05-17 | 武汉天马微电子有限公司 | 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210712 Address after: Room 821, No. 333, jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Huangpu District, Guangzhou City, Guangdong Province, 510555 Patentee after: Skyworth Group Intelligent Technology Co., Ltd Address before: 510730 No.99, Kaida Road, Science City, Guangzhou Economic and Technological Development Zone, Luogang District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU SKYWORTH FLAT DISPLAY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |