CN202165927U - Light bar structure and display device - Google Patents
Light bar structure and display device Download PDFInfo
- Publication number
- CN202165927U CN202165927U CN201120229700XU CN201120229700U CN202165927U CN 202165927 U CN202165927 U CN 202165927U CN 201120229700X U CN201120229700X U CN 201120229700XU CN 201120229700 U CN201120229700 U CN 201120229700U CN 202165927 U CN202165927 U CN 202165927U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- exiting surface
- bar structure
- connecting portion
- lamp bar
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a light bar structure and a display device, wherein the light bar structure includes a circuit board and a plurality of lighting units; a plurality of penetration holes are formed on the circuit board; each lighting unit includes a main body and a plurality of pins; each main body is arranged in one of the equal penetration holes, and includes a light-emitting surface and a non-light-emitting surface opposite to the light-emitting surface; and each pin includes a first connecting part, a second connecting part and an extending part, wherein the first connecting part is connected onto the non-light-emitting surface; the extending part extends to the light-emitting surface, and the second connecting part extends from the extending part and is connected onto one surface of the circuit board.
Description
Technical field
The utility model refers to a kind of lamp bar structure and display unit that uniform light field is provided especially about a kind of lamp bar structure and display unit.
Background technology
Because liquid crystal indicator has gently, approaches, power saving and radiationless advantage, so is widely used in mobile computer, computer screen, television set etc.Yet liquid crystal indicator is the display unit of non-emissive type, so need just can demonstrate the picture of input by the light source that module backlight provided.
See also Fig. 1, Fig. 1 is the explosive view of the liquid crystal indicator 1 of prior art.As shown in Figure 1, liquid crystal indicator 1 comprises a housing 10, a display floater 12, one module 14 backlight and a back of the body and covers 16.Display floater 12 is arranged on the module 14 backlight.Display floater 12 has an effective viewing area (active area) 120.Module 14 backlight comprises a framework 20, an optical diaphragm group 22, a LGP 24, two lamp bar structures 26 and a reflector plate 28.Optical diaphragm group 22 is arranged on the LGP 24, and reflector plate 28 is arranged at LGP 24 times, and two lamp bar structures 26 are arranged at the both sides of LGP 24 respectively.Lamp bar structure 26 is made up of light emitting diode 260 and 262 of circuit boards, and the light that light emitting diode 260 sent sees through optical diaphragm group 22 and projects via LGP 24.In assembling during liquid crystal indicator 1, utilize the housing 10 and the back of the body to cover 16 display floater 12 and module backlight 14 be fixed in wherein.
See also Fig. 2, Fig. 2 is the enlarged drawing of the regional area B among Fig. 1.As shown in Figure 2, lamp bar structure 26 comprises a plurality of light emitting diodes 260 and a circuit board 262.Light emitting diode 260 is arranged on the circuit board 262.Each light emitting diode 260 comprises a body 2600 and pair of pins 2602.In addition, body 2600 has an exiting surface 2604, and the light that light emitting diode 260 is sent projects from exiting surface 2604.Generally speaking, light emitting diode 260 is to be fixed on the circuit board 262 via surface mount technology (SMT) processing procedure.Because light emitting diode 260 is assembled on the circuit board 262, so the gross thickness of lamp bar structure 26 comprises the thickness of circuit board 262 and the height of light emitting diode 260.
Please consult Fig. 1 and Fig. 3 simultaneously, Fig. 3 is display floater 12 and the partial top view of lamp bar structure 26 among Fig. 1.As shown in Figure 3, the exiting surface 2604 of light emitting diode 260 has a distance A with the edge of effective viewing area 120 of display floater 12, and light emitting diode 260 is each other at a distance of a span P.The light that light emitting diode 260 sends projects from exiting surface 2604 and forms a fan-shaped light field.If distance A is big more, it is even more that fan-shaped light field can spread, and the light field that then gets into LGP 24 is comparatively even.If during the hypotelorism that light emitting diode 260 and effective viewing area are 120 (that is; Distance A is too little); To cause exiting surface 2604 places of light emitting diode 260 local bright to occur; Local dark space can appear in 260 of light emitting diodes, makes the edge of effective viewing area 120 produce speck (hot spot) phenomenon.Yet for known lamp bar structure 26, the increase of distance A can cause the overall dimensions of module 14 backlight to become big.In addition, also can increase the quantity (that is, dwindle span P) of light emitting diode 260, improve the speck phenomenon.Yet the quantity of increase light emitting diode 260 can cause the cost of module 14 backlight to improve.
The utility model content
Therefore, one of purpose of the utility model is to provide a kind of lamp bar structure and display unit that uniform light field is provided, to address the above problem.
According to an embodiment, the lamp bar structure of the utility model comprises a circuit board and a plurality of luminescence unit.A plurality of holes are formed on the circuit board.Each luminescence unit comprises a body and a plurality of pin.Body is arranged in one of them of these holes.Body has an exiting surface and with respect to a non-exiting surface of exiting surface.Each pin has one first connecting portion, one second connecting portion and an extension respectively.First connecting portion is connected on the non-exiting surface.Extension extends towards the direction of this exiting surface from first connecting portion.Second connecting portion extends and is connected on the surface of circuit board from extension.
Another purpose of the utility model is to provide a kind of display unit, and it comprises a display floater and a module backlight.Module backlight comprises a framework, a LGP and a lamp bar structure.Display floater is arranged on the framework.LGP is arranged in the framework.Lamp bar structure is arranged in the framework and is positioned at a side of LGP.The structural design of lamp bar structure as stated.
In sum, the utility model utilizes the structural design of pin and the body of luminescence unit is sunk in the holes of circuit board, uses the whole height that reduces lamp bar structure.In addition, the body of luminescence unit sinks in the holes of circuit board, also increases the distance between effective viewing area of exiting surface and display floater of body simultaneously, and then avoids producing the speck phenomenon in the edge of effective viewing area.
Can detail and appendedly graphicly further understood by following creation about the advantage of the utility model and spirit.
Description of drawings
Fig. 1 is the explosive view of the liquid crystal indicator of prior art.
Fig. 2 is the enlarged drawing of the regional area B among Fig. 1.
Fig. 3 is display floater and the partial top view of lamp bar structure among Fig. 1.
Fig. 4 is the sketch map according to the display unit of the utility model one embodiment.
Fig. 5 is the explosive view of the display unit of Fig. 4.
Fig. 6 is the part sectioned view of the lamp bar structure of Fig. 5.
Fig. 7 is the partial top view of display floater and lamp bar structure.
The specific embodiment
See also Fig. 4 and Fig. 5, Fig. 4 is the sketch map according to the display unit 3 of the utility model one embodiment, and Fig. 5 is the explosive view of the display unit 3 of Fig. 4.Like Fig. 4 and shown in Figure 5, display unit 3 comprises a housing 30, a display floater 32, one module 34 backlight and a back of the body and covers 36.Display floater 32 is arranged on the module 34 backlight.In practical application, display floater 32 can be a display panels, but not as limit.In addition, display floater 32 has an effective viewing area (active area) 320.The light transmission display panel 32 that module 34 backlight is launched projects, to provide display floater 32 required light source.In assembling during display unit 3, utilize the housing 30 and the back of the body to cover 36 display floater 32 and module backlight 34 be fixed in wherein.
As shown in Figure 5, module 34 backlight comprises a framework 40, an optical diaphragm group 42, a LGP 44, two lamp bar structures 46 and a reflector plate 48.Two lamp bar structures 46 are arranged in the framework 40 and lay respectively at the both sides of LGP 44.Reflector plate 48 is arranged in the framework 40 and is positioned at LGP 44 times.Optical diaphragm group 42 is arranged in the framework 40 and is positioned on the LGP 44.Generally speaking, optical diaphragm group 42 comprises blooming pieces such as diffusion sheet and rhombus lens.What need explanation is that the people that the action principle of module 34 backlight and display floater 32 can be known skill reaches easily, repeats no more at this.
See also Fig. 6, Fig. 6 is the part sectioned view of the lamp bar structure 46 of Fig. 5.As shown in Figure 6, lamp bar structure 46 comprises a circuit board 460 and a plurality of luminescence unit 462.Luminescence unit 462 can be a light emitting diode.A plurality of holes 4600 are formed on the circuit board 460.Each luminescence unit 462 comprises a body 4620 and two pins 4622.Body 4620 is arranged in the holes 4600, and two pins 4622 are arranged at two sides of body 4620 respectively.Body 4620 has an exiting surface 46200 and with respect to a non-exiting surface 46202 of exiting surface 46200.The light that the body 4620 of luminescence unit 462 is sent sees through exiting surface 46200 and projects.In addition, each pin 4622 has one first connecting portion 46220, one second connecting portion 46222 and an extension 46224 respectively.First connecting portion 46220 of pin 4622 is connected on the non-exiting surface 46202 of body 4620.Extension 46224 extends towards the direction of exiting surface 46200 from first connecting portion 46220.Second connecting portion 46222 from extension 46224 extend and be connected in circuit board 460 one the surface 4602 on.In this embodiment, pin 4622 can be zigzag, but not as limit.
In practical application, luminescence unit 462 can be fixed on the circuit board 460 via the surface mount technology processing procedure.Because light emitting diode 462 is to be assembled in the holes 4600 of circuit board 460, so the gross thickness of lamp bar structure 46 promptly equals the thickness of circuit board 460 haply.
See also Fig. 7, Fig. 7 is the partial top view of display floater 32 and lamp bar structure 46.As shown in Figure 7, the one edge S of effective viewing area 320 of display floater 32 and the exiting surface of luminescence unit 462 46200 are at a distance of one first distance B 1, and the surface 4602 of edge S and circuit board 460 is at a distance of a second distance D2.By the structural design of above-mentioned pin 4622, the body 4620 of luminescence unit 462 can sink in the holes 4600 of circuit board 460, makes the distance B 1 of winning more than or equal to second distance D2.In other words, the exiting surface 46200 of luminescence unit 462 can be lower than the surface 4602 of circuit board 460 or be positioned at same horizontal plane with the surface 4602 of circuit board 460.Therefore, the utility model can effectively reduce the whole height of lamp bar structure 46.In other words, the utility model can effectively increase the distance of 46200 of the exiting surfaces of effective viewing area 320 and luminescence unit 462, and then avoids in the edge of effective viewing area 320 that S produces the speck phenomenon.
In sum, utilize the structural design of pin and the body of luminescence unit is sunk in the holes of circuit board, use the whole height that reduces lamp bar structure.In addition, the body of luminescence unit sinks in the holes of circuit board, also increases the distance between effective viewing area of exiting surface and display floater of body simultaneously, and then avoids producing the speck phenomenon in the edge of effective viewing area.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (10)
1. a lamp bar structure is characterized in that, comprises:
One circuit board, a plurality of holes are formed on this circuit board; And
A plurality of luminescence units, each these luminescence unit comprises:
One body is arranged in one of them of these holes, and this body has an exiting surface and with respect to a non-exiting surface of this exiting surface; And
A plurality of pins; Each these pin has one first connecting portion, one second connecting portion and an extension respectively; This first connecting portion is connected on this non-exiting surface; This extension extends towards the direction of this exiting surface from this first connecting portion, and this second connecting portion extends and is connected on the surface of this circuit board from this extension.
2. lamp bar structure as claimed in claim 1 is characterized in that, this exiting surface of this body is lower than this surface of this circuit board or is positioned at same horizontal plane with this surface of this circuit board.
3. lamp bar structure as claimed in claim 1 is characterized in that each these pin is zigzag.
4. lamp bar structure as claimed in claim 1 is characterized in that each these luminescence unit is a light emitting diode.
5. a display unit is characterized in that, comprises:
One display floater; And
One module backlight comprises:
One framework, this display floater are arranged on this framework;
One LGP is arranged in this framework; And
One lamp bar structure is arranged in this framework and is positioned at a side of this LGP, and this lamp bar structure comprises:
One circuit board, a plurality of holes are formed on this circuit board; And
A plurality of luminescence units, each these luminescence unit comprises:
One body is arranged in one of them of these holes, and this body has an exiting surface and with respect to a non-exiting surface of this exiting surface; And
A plurality of pins; Each these pin has one first connecting portion, one second connecting portion and an extension respectively; This first connecting portion is connected on this non-exiting surface; This extension extends towards the direction of this exiting surface from this first connecting portion, and this second connecting portion extends and is connected on the surface of this circuit board from this extension.
6. display unit as claimed in claim 5 is characterized in that, this exiting surface of this body is lower than this surface of this circuit board or is positioned at same horizontal plane with this surface of this circuit board.
7. display unit as claimed in claim 5 is characterized in that, each these pin is zigzag.
8. display unit as claimed in claim 5 is characterized in that, each these luminescence unit is a light emitting diode.
9. display unit as claimed in claim 5; It is characterized in that; This display floater has an effective viewing area; The one edge of this effective viewing area and this exiting surface are at a distance of one first distance, and this surface of this edge and this circuit board is at a distance of a second distance, and this first distance is more than or equal to this second distance.
10. display unit as claimed in claim 5 is characterized in that, this display floater is a display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120229700XU CN202165927U (en) | 2010-11-16 | 2011-07-01 | Light bar structure and display device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020608682.1 | 2010-11-16 | ||
| CN201020608682 | 2010-11-16 | ||
| CN201120229700XU CN202165927U (en) | 2010-11-16 | 2011-07-01 | Light bar structure and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165927U true CN202165927U (en) | 2012-03-14 |
Family
ID=45801750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120229700XU Expired - Fee Related CN202165927U (en) | 2010-11-16 | 2011-07-01 | Light bar structure and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090237A (en) * | 2013-01-31 | 2013-05-08 | 东莞市贺喜光电有限公司 | Light-emitting diode (LED) lamp without power supply unit |
| CN103542296A (en) * | 2013-10-24 | 2014-01-29 | 南京中电熊猫液晶显示科技有限公司 | LED light bar and direct type LED backlight module |
-
2011
- 2011-07-01 CN CN201120229700XU patent/CN202165927U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090237A (en) * | 2013-01-31 | 2013-05-08 | 东莞市贺喜光电有限公司 | Light-emitting diode (LED) lamp without power supply unit |
| CN103542296A (en) * | 2013-10-24 | 2014-01-29 | 南京中电熊猫液晶显示科技有限公司 | LED light bar and direct type LED backlight module |
| CN103542296B (en) * | 2013-10-24 | 2016-01-20 | 南京中电熊猫液晶显示科技有限公司 | A kind of LED lamp bar and direct-light type LED backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107861188B (en) | Light guide plate and backlight module for improving brightness of dark area by using same | |
| CN101514781B (en) | Back light unit | |
| RU2496050C2 (en) | Lighting device, display device and television receiver | |
| US10197720B2 (en) | Backlight module and display device | |
| CN205450514U (en) | Backlight module and display equipment | |
| US9772438B2 (en) | Backlight, display panel and display device | |
| CN205229629U (en) | Backlight unit , display module assembly and display device | |
| CN102478178A (en) | Direct type ultrathin light emitting diode (LED) backlight module and display terminal | |
| TWM466278U (en) | Thinning LED direct-type backlight module | |
| CN105090820A (en) | Backlight source and display device | |
| JP2013218940A (en) | Light-emitting module, lighting device including the same, and display device | |
| CN103823271B (en) | Light guide plate | |
| TW201350995A (en) | Improved structure of direct type backlight module | |
| CN201611069U (en) | Flexible structure of backlight module plastic frame | |
| CN201622411U (en) | Direct type backlight panel | |
| CN203363863U (en) | Straight down type backlight module and display device | |
| CN203422491U (en) | Light guide structure, backlight module and display device | |
| CN202165927U (en) | Light bar structure and display device | |
| CN201954377U (en) | Direct illumination-type ultrathin LED backlight module and display terminal | |
| CN201892148U (en) | Side-illuminating light emitting diode lamp shade modified structure | |
| CN201652057U (en) | Backlight module and liquid crystal display screen | |
| CN103511991B (en) | The fixed structure of reflector plate in a kind of LED-backlit module | |
| CN202253221U (en) | Backlight module | |
| CN104033788B (en) | Backlight and splicing display device | |
| CN201310821Y (en) | Light-guiding plate and backlight module |
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: 20120314 Termination date: 20170701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |