CN101458422B - Shock resistance back light module unit, display device using same - Google Patents
Shock resistance back light module unit, display device using same Download PDFInfo
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- CN101458422B CN101458422B CN2007101865899A CN200710186589A CN101458422B CN 101458422 B CN101458422 B CN 101458422B CN 2007101865899 A CN2007101865899 A CN 2007101865899A CN 200710186589 A CN200710186589 A CN 200710186589A CN 101458422 B CN101458422 B CN 101458422B
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- lampshade
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- display device
- module backlight
- reflector plate
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Abstract
The invention relates to an impact-resistant backlight module and an applied display device thereof which intensify overall impact resistance of the backlight module by improving interference friction force between a lampshade and a light-guiding plate and between the lampshade and a reflective sheet in the backlight module, wherein, the improvement for the interference friction force between the lampshade and the reflective sheet can be realized by means of surface modification of fixing surfaces of the lampshade and the reflective sheet, or by means of an elastomer additionally clamped between the lampshade and the light-guiding plate and between the lampshade and the reflective sheet, or by means of the setting of the elastomer and the modification of the fixing surfaces simultaneously. Therefore, the invention can substantially improve the impact resistance of the backlight module without changing the size design of the metallic lampshade and also without altering standard conditions of the test for the backlight module.
Description
Technical field
Relevant a kind of module backlight of the present invention and application thereof, the display device of particularly relevant a kind of impact-resistant module backlight and application thereof.
Background technology
In order to promote the performance of whole display device on physical strength, especially improve, for instance to the resistance to impact characteristic of module backlight in the display device; Mechanism design for existing notebook computer; Many utilizations strengthen the areas of metal support structure with carrying backlight optical element, structure as shown in Figure 1, wherein; The module backlight of notebook computer comprises a lampshade 10 and a backlight optical element 12; One light-emitting component 14 is set in lampshade 10, and utilizes lampshade 10 structures that strengthen with the backlight optical element 12 in the clamping module backlight, as: LGP 122 and reflector plate 121; Or structure as shown in Figure 2, also at outside extra stickup one adhesive tape 16 of lampshade 10 and backlight optical element 12 with lampshade and LGP 122, reflector plate 121 ... Or the like backlight optical element 12 fit.
Yet; As everyone knows; These a little designs also can't guarantee fully that notebook computer is when carrying out the shock-testing of 260G; The problem of escape can not take place to take place between backlight optical element and the lampshade fully, and for panel computer (tablet PC), wherein the structural design of module backlight must be considered the electromagnetic induction effect problem of the digital quantizer (digitizer) in the panel computer usually simultaneously; Therefore usually compared to general notebook computer, the metal shade size in panel computer maybe be more narrow.Hence one can see that, and above-mentioned utilization strengthens metal supporting frames to reach the structure of clamping backlight optical element, can't be applied in the panel computer fully; Otherwise for digital quantizer; With the electromagnetic induction interference problem that produces certain degree, yet, if only by the mode of the outside extra Continuous pressing device for stereo-pattern of lampshade and backlight optical element to strengthen the shock-resistant ability of whole module backlight; Based on adhesive tape itself is not anti-macroseism, resistant to elevated temperatures material; This kind structure can't be born the high temperature that light-emitting component is produced in the lampshade because of adhesive tape, therefore usually through after the long-term use; In the application of reality, often occur causing adhesive tape itself to produce distortion, softening, finally still can't obtain ideal results because of high temperature.
Summary of the invention
In order to overcome the problems referred to above that prior art exists; Fundamental purpose of the present invention; The display device of a kind of impact-resistant module backlight and application thereof is proposed, the displacement that its skin-friction force that contacts with lampshade by raising backlight optical element is produced when taking place to impact with reduction backlight optical element and lampshade.
Another object of the present invention; The display device of a kind of impact-resistant module backlight and application thereof is proposed; It is not to utilize extra metal material to use to reach to strengthen the fixedly crystallized ability between the backlight optical element and lampshade, so make numerical digit plate in the panel computer can not receive the influence of electromagnetic induction effect.
For reaching above-mentioned purpose; The present invention provides the display device of a kind of impact-resistant module backlight and application thereof; In impact-resistant module backlight provided by the present invention, mainly comprise a lampshade, a reflector plate and a LGP; At at least one light-emitting component of the set inside of lampshade, and lampshade has at least one fixed surface; Reflector plate has a relative first surface and a second surface, and wherein second surface has a first area and a second area, and the roughness of first area is greater than second area; LGP is arranged on the first surface of reflector plate, and lampshade inserts and puts LGP and reflector plate via fixed surface, and fixed surface is pressed and touched the first area.
A kind of display device provided by the present invention comprises: a module backlight, and it comprises: a lampshade at least one light-emitting component is set in it, and said lampshade has at least one fixed surface; One reflector plate, it has a relative first surface and a second surface, and said second surface has a first area and a second area, and the roughness of said first area is greater than said second area; And a LGP, it is arranged on the said first surface of said reflector plate, and said lampshade inserts and puts said LGP and said reflector plate via said fixed surface, and said fixed surface is pressed and touched said first area; This display device also comprises a display panel, itself and the combination of said module backlight, and receive from light that said light-emitting component produced to carry out appearing of image.
Because the present invention has adopted above technical scheme, so that the friction number between reflector plate, LGP and the lampshade increases, and reduce the escape problem that produces because of being hit by above-mentioned structural design; Simultaneously; The present invention also is applied in this impact-resistant module backlight in one display device; Wherein, this display device can be applicable in the panel computer, and this display device comprises this an impact-resistant module backlight and display panel; Owing to have preferable crystallized ability between lampshade in the impact-resistant module backlight and reflector plate, the LGP, therefore can make whole display panel have higher shock-resistant ability.
Description of drawings
Be the effect that is easier to understand the object of the invention, technology contents, characteristics and is reached, cooperate appended graphic explanation in detail by specific embodiment below.。
Fig. 1 is existing module shell mechanism synoptic diagram backlight.
Fig. 2 is another kind of existing module shell mechanism synoptic diagram backlight.
Fig. 3 is that first of impact-resistant module backlight of the present invention is implemented the aspect synoptic diagram.
Fig. 4 is that second of impact-resistant module backlight of the present invention is implemented the aspect synoptic diagram.
Fig. 5 is that the 3rd of impact-resistant module backlight of the present invention is implemented the aspect synoptic diagram.
Fig. 6 utilizes the structural representation of lock member to fix for impact-resistant module backlight of the present invention.
The structural representation that Fig. 7 is adhesively fixed for impact-resistant module utilization backlight of the present invention.
The main element symbol description is following among the figure:
10 lampshades, 12 backlight optical elements
121 reflector plates, 122 LGPs
14 light-emitting components, 16 adhesive tapes
20 lampshades, 221 reflector plates
222 LGPs, 201 fixed surfaces
2211 first surfaces, 2212 second surfaces
24 light-emitting components, 26 adhesive material
28 elastic bodys, 30 lock members
Embodiment
In order to reduce electromagnetic interference (EMI) for numerical digit plate in the panel computer; And take into account the physical strength of whole module backlight again simultaneously; The present invention proposes the display device of a kind of impact-resistant module backlight and application thereof, below discloses enforcement aspect of the present invention and assistant with graphic detailed description.
At first; Please refer to shown in Figure 3ly, it is that first of impact-resistant module backlight of the present invention is implemented aspect, in this module backlight, comprises a lampshade 20 and a LGP 222, a reflector plate 221; One light-emitting component 24 is set, wherein because LGP 222 is positioned at the top of reflector plate 221 in the lampshade 20.Therefore; Structure between lampshade 20 and LGP 222, the reflector plate 221 is closed and can be implemented shown in the aspect according to this; Mainly do not press second fixed surface 2211 that touches process surfaction on the reflector plate 221 through first fixed surface 201 of surfaction by being positioned on the lampshade 20; Wherein, Because second fixed surface, 2211 process surfactions are so that second fixed surface 2211 can demonstrate coarse characteristic (indicating with the a-quadrant among the figure); Therefore, between lampshade 20 and the reflector plate 221 directly by the second coarse fixed surface 2211 to improve the friction number of contact interface, make whole module backlight when taking place to collide, can reduce the displacement between lampshade 20 and whole LGP 222, the reflector plate 221.
Though above-mentioned enforcement aspect is that example is explained to utilize second fixed surface 2211 through the alligatoring upgrading; But in fact, can also first fixed surface 201 be carried out the alligatoring upgrading or simultaneously first fixed surface 201 and second fixed surface 2211 carried out the alligatoring upgrading simultaneously to reach the friction force that improves between lampshade 20 and the backlight optical element 22.In addition; First fixed surface 201 in this enforcement aspect or the surface treatment on second fixed surface 2211 are except can be to first fixed surface 201, second fixed surface 2211 to carry out the comprehensive surfaction; Can also carry out rule or erratic regional surfaction to reach required friction numerical value according to Different products design and demand.
And the structure that in Fig. 4, is disclosed is the second enforcement aspect of impact-resistant module backlight; Wherein, Second fixed surface 2211 on the reflector plate 221 in the backlight optical element 20 also is the rough surface (indicating with the a-quadrant among the figure) through surfaction; But implement in the aspect at this; Also be utilized in to press from both sides between this second fixed surface 2211 and the lampshade 20 and establish an elastic body 28, for example: silica gel material or polyurethane (PU), PEF (PE), polypropylene (PC) ... Or the like common polymeric material, to improve the friction force between lampshade 20 and the reflector plate 221; And employed elastic body 28 shapes can be rectangle, trapezoidal or long arc shape ... Or the like; Its mainly according to different demands on the size and shape of elastic body 28, carrying out corresponding design alteration, and the mode that these a little elastic bodys 28 can single face be pasted is fixed on reflector plate 221 or the lampshade 20, for instance; In this enforcement aspect, elastic body 28 is sticked on second fixed surface 2211 of reflector plate 221; And then there is not sticker on another surface of elastic body 28, but because elastic body 28 mantle friction numbers own are higher than the reflecting piece 2211 mantle friction numbers that do not pass through surfaction, therefore can improve the bond strength between lampshade 20 and whole LGP 222, the reflector plate 221 effectively.
Then be that the 3rd of impact-resistant module backlight of the present invention is implemented aspect in Fig. 5; In this impact-resistant module backlight, comprise a lampshade 20, a LGP 222 and a reflector plate 221; And the upgrading that second fixed surface 2211 between this backlight optical element 22 and the lampshade 20, first fixed surface 201 all do not pass through any surface; Therefore in order to improve the friction force between lampshade 20 and the reflector plate 221; The elastic body 28 that will have higher friction number sticks to earlier on the backlight optical element 22, can be by elastic body 28 to strengthen the physical strength of whole module backlight so that be assembled in the lampshade 20 of backlight optical element 22.
In addition, except above-mentioned structure, in the module impact-resistant backlight that the present invention disclosed, extra lock member 30 also capable of using is to fix structure as shown in Figure 6 with lampshade 20 and LGP 222, reflector plate 221; Or utilize extra adhesive material 26 so that lampshade 20 and LGP 222, reflector plate 221 are carried out bonding, as shown in Figure 7 structure from the outside.
And the present invention also proposes a kind of display device of using impact-resistant module backlight; In this display device owing to utilized impact-resistant module backlight; Therefore can be under the prerequisite that does not change lampshade size and design; The interface friction number that only utilize to improve between lampshade and the backlight optical element receives issuable displacement when impacting to reduce whole display device, also so can avoid display device receiving when impacting the situation of lampshade and backlight optical element generation escape effectively.
So for the display device of disclosed module impact-resistant backlight and application thereof, it can be under the situation that does not change the lampshade specification, controlling cost of manufacture effectively, and for the product with specific (special) requirements, for example; Panel computer also can meet lower electromagnetic interference (EMI) demand, therefore, in the standard that need not change product test or change under the prerequisite of most product specification, just makes module backlight can have preferable shock-resistant ability.
The above explains characteristics of the present invention by embodiment; Its purpose can be understood content of the present invention and enforcement according to this for making those skilled in the art; And non-limiting claim of the present invention; So all other do not break away from equivalence modification or the modification that disclosed spirit is accomplished, and must be included in the claim scope of the present invention.
Claims (10)
1. a module backlight is applied to a display device, it is characterized in that, said module backlight comprises:
One lampshade is provided with at least one light-emitting component in it, and said lampshade has at least one fixed surface;
One reflector plate, it has a relative first surface and a second surface, and said second surface has a first area and a second area, and the roughness of said first area is greater than said second area; And
One LGP, it is arranged on the said first surface of said reflector plate, and said lampshade inserts and puts said LGP and said reflector plate, and said fixed surface pressure is touched said first area.
2. module backlight as claimed in claim 1 is characterized in that, the roughness of said first area is by surface treatment being carried out in the said first area of said second surface and getting.
3. module backlight as claimed in claim 1 is characterized in that, the roughness of said first area is unified coarse member by additional set and extremely realized on the said first area of said second surface.
4. module backlight as claimed in claim 3 is characterized in that, said coarse member and the combined method of the said first area of said second surface are selected from that folder is established, engaged, bonding or locking.
5. module backlight as claimed in claim 3 is characterized in that, said coarse member is an elastic body.
6. a display device is characterized in that, said display device comprises:
One module backlight, it comprises:
One lampshade is provided with at least one light-emitting component in it, and said lampshade has at least one fixed surface;
One reflector plate, it has a relative first surface and a second surface, and said second surface has a first area and a second area, and the roughness of said first area is greater than said second area; And
One LGP, it is arranged on the said first surface of said reflector plate, and said lampshade inserts and puts said LGP and said reflector plate, and said fixed surface is pressed and touched said first area;
And
One display panel, itself and the combination of said module backlight, and receive from light that said light-emitting component produced to carry out appearing of image.
7. display device as claimed in claim 6 is characterized in that, the roughness of said first area is by surface treatment being carried out in the said first area of said second surface and getting.
8. display device as claimed in claim 6 is characterized in that, the roughness of said first area is unified coarse member by additional set and extremely realized on the said first area of said second surface.
9. display device as claimed in claim 8 is characterized in that, said coarse member and the combined method of the said first area of said second surface are selected from that folder is established, engaged, bonding or locking.
10. display device as claimed in claim 8 is characterized in that, said coarse member is an elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101865899A CN101458422B (en) | 2007-12-11 | 2007-12-11 | Shock resistance back light module unit, display device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101865899A CN101458422B (en) | 2007-12-11 | 2007-12-11 | Shock resistance back light module unit, display device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101458422A CN101458422A (en) | 2009-06-17 |
| CN101458422B true CN101458422B (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101865899A Expired - Fee Related CN101458422B (en) | 2007-12-11 | 2007-12-11 | Shock resistance back light module unit, display device using same |
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| Country | Link |
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| CN (1) | CN101458422B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865521B (en) * | 2012-10-11 | 2015-06-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device thereof |
| CN107870484B (en) * | 2017-11-07 | 2021-01-29 | 业成科技（成都）有限公司 | Liquid crystal display device and side light type backlight module thereof |
| CN108594530A (en) * | 2018-05-02 | 2018-09-28 | 佛山博发智能科技有限公司 | A kind of energy-saving display panel of light shading type for TPC machines |
| CN108594529A (en) * | 2018-07-10 | 2018-09-28 | 佛山博发智能科技有限公司 | A kind of energy saving liquid crystal display panel for Notebook types |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190209A (en) * | 2000-12-21 | 2002-07-05 | Enplas Corp | Surface light source apparatus and image display device |
| KR20050105642A (en) * | 2004-04-30 | 2005-11-08 | 엘지.필립스 엘시디 주식회사 | Joint structure cover bottom with lamp guide of liquid crystal display device module |
| CN1755399A (en) * | 2004-09-27 | 2006-04-05 | 中华映管股份有限公司 | Notebook computer, backlight module and light guiding board |
| KR20060128275A (en) * | 2005-06-10 | 2006-12-14 | 엘지.필립스 엘시디 주식회사 | Backlight assembly and liquid crystal display using the same |
| JP2007279437A (en) * | 2006-04-07 | 2007-10-25 | Sharp Corp | Light source device and display device |
-
2007
- 2007-12-11 CN CN2007101865899A patent/CN101458422B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190209A (en) * | 2000-12-21 | 2002-07-05 | Enplas Corp | Surface light source apparatus and image display device |
| KR20050105642A (en) * | 2004-04-30 | 2005-11-08 | 엘지.필립스 엘시디 주식회사 | Joint structure cover bottom with lamp guide of liquid crystal display device module |
| CN1755399A (en) * | 2004-09-27 | 2006-04-05 | 中华映管股份有限公司 | Notebook computer, backlight module and light guiding board |
| KR20060128275A (en) * | 2005-06-10 | 2006-12-14 | 엘지.필립스 엘시디 주식회사 | Backlight assembly and liquid crystal display using the same |
| JP2007279437A (en) * | 2006-04-07 | 2007-10-25 | Sharp Corp | Light source device and display device |
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| Publication number | Publication date |
|---|---|
| CN101458422A (en) | 2009-06-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20111201 Address after: Science Road, 350, Hsinchu Science Industrial Park, Miaoli, Taiwan, China, No. 160, science Road Applicant after: Chimei Optoelectronics Co., Ltd. Address before: 000000 No. 1, Qi Gong Road, Tainan Science Industrial Park, 74144 Tainan County, Taiwan Province, China Applicant before: Chimei Optoelectronics Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20171211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |