CN100414377C - Back light assembly of side frame and assembling method thereof - Google Patents
Back light assembly of side frame and assembling method thereof Download PDFInfo
- Publication number
- CN100414377C CN100414377C CNB2004100313360A CN200410031336A CN100414377C CN 100414377 C CN100414377 C CN 100414377C CN B2004100313360 A CNB2004100313360 A CN B2004100313360A CN 200410031336 A CN200410031336 A CN 200410031336A CN 100414377 C CN100414377 C CN 100414377C
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- side frame
- body side
- framework
- fluorescent tube
- load
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Abstract
The present invention relates to a back light assembly of a side frame. The present invention comprises a stacking assembly which is composed of a supporting frame, a reflecting plate and a light guide plate, a lamp tube assembly which is arranged correspondingly to the side of the light guide plate of the stacking assembly, an optical film which is arranged on the stacking assembly, and a side frame, wherein the side frame is provided with a groove which can contain the lamp tube assembly, and a fixing device used for fixing the stacking assembly. The present invention also relates to a method of assembling the back light assembly of a side frame. The back light assembly of a side frame of the present invention can simplify the structural design of the integral back light assembly and lower the die cost. The integral back light assembly has the advantages of easy assembly and manufacture, and stable structure.
Description
[technical field]
The present invention relates to a kind of backlight assembly of body side frame, relate in particular to body side frame that a kind of utilization has a groove that holds the fluorescent tube assembly and make and hold framework, reflecting plate and light guide plate by load and piled up the backlight assembly that the stack assemblies formed and fluorescent tube assembly are fixed.The invention still further relates to the assemble method of above-mentioned body side frame backlight assembly.
[background technology]
Along with the fast development of semiconductor technology, various electronic display units require to reach requirement such as light, thin, short, little as far as possible.Especially for example LCD, plasma display panel etc. of flat display more requires resolution height, light, thin etc.Industry is devoted to reduce unnecessary assembly element invariably as far as possible in view of the above.
Liquid crystal indicator has been widely used in desktop computer and notebook computer at present.And liquid crystal display board component in the formation liquid crystal indicator and backlight assembly are to be assembled respectively by different assembling processing procedures, and these assemblies are assembled with each other.Existing backlight assembly, as shown in Figure 1, utilize a shape of the mouth as one speaks upper frame A and load hold framework B with the element of liquid crystal indicator such as reflecting plate, light guide plate, and the fluorescent tube assembly combine.Wherein this shape of the mouth as one speaks upper frame A edge be provided with many snap-fit element a and for be arranged on snap-fit element b that load holds the setting of framework B periphery and block mutually and fixed.But owing to liquid crystal indicator be particular about light, thin make this shape of the mouth as one speaks upper frame must do thinner cause this upper frame framework too soft, be difficult for the complicated and more complicated manufacturing cost that increases of assembling of injection moulding, one-piece construction.And this shape of the mouth as one speaks upper frame is because thin and the soft steadiness that causes is not good.
In addition, United States Patent (USP) 6,502,945B2 disclose a kind of pile up backlight assembly with and assemble method.This patent disclosed pile up backlight assembly comprise a model framework, a reflecting plate, be placed on light guide plate on this reflecting plate, be placed on these anti-both sides of leaded light a pair of fluorescent tube assembling, be placed on diffusion sheet and a pair of upper side frame of this leaded light on anti-, this upper side frame can be contained this light guide plate edge and can be chimeric each other fixing with this model framework.
This United States Patent (USP) mainly is to utilize a L type upper side frame, load to hold framework as supporting framework and in order to make up other elements.But, therefore hold complexity of the chimeric mutually overall construction design that reaches fixing purpose of framework by this upper side frame and load because its upper side frame is the L type.
Moreover, the structure that this United States Patent (USP) disclosed needs assembling from top to bottom in assembling, therefore when assembling this upper side frame will hinder the operator sight line and can't be when assembling whether displacement or damage of inspection lamp pipeline simultaneously, must after assembling is finished, be tested, thereby caused throughput rate decline.In addition, owing to use L type upper side frame in this United States Patent (USP) case, for the hardness that reaches fixing this upper side frame of purpose must reach the certain level that can fix whole assembly, thereby this upper side frame also must tool certain thickness and width, and the visible area of display panels is diminished, or the wider width of its visible area outer rim between the liquid crystal display assembly exterior contour relatively, thereby can't narrow limitization.
Based on the shortcoming of above-mentioned prior art and in order to reach light, thin and stable structure, the inventor carries out broad research to the liquid crystal indicator structure, thereby finishes the present invention.
[summary of the invention]
Fundamental purpose of the present invention provides the body side frame backlight assembly that a kind of assembling is easier and structure is more firm.
Another purpose of the present invention provides that a kind of structure is more simplified and the body side frame backlight assembly of easier manufacturing.
Reach other purposes in order to achieve the above object, the invention provides a kind of body side frame backlight assembly, it comprises that holding framework, a reflecting plate and a light guide plate by a load is piled up the stack assemblies of forming; Be arranged on the blooming piece on this stack assemblies; Be arranged on the fluorescent tube assembly of the light guide plate side of corresponding above-mentioned stack assemblies; And have in order to the groove that holds this fluorescent tube assembly and have body side frame, thereby fix this stack assemblies and form backlight assembly with blooming piece in order to the stationary installation of fixing above-mentioned stack assemblies.
According to above-mentioned purpose, the present invention provides a kind of method of assembling the body side frame backlight assembly again, comprises the following steps: that a reflecting plate is arranged on the load that the surface is provided with chimeric element to be held on the framework; One light guide plate is arranged on this reflecting plate; The fluorescent tube assembly is arranged on this light guide plate side forms stack assemblies; To respectively have the groove that holds the fluorescent tube assembly subsequently and respectively have and insert this stack assemblies corresponding to fluorescent tube assembly place and by fixing this whole stack assemblies of this stationary installation in order to the body side frame of fixing this stack assemblies; On this light guide plate, at least one blooming piece is set at last and finishes the body side frame backlight assembly.
According to above-mentioned purpose, the present invention provides a kind of method of assembling the body side frame backlight assembly again, comprises the following steps: that a reflecting plate is arranged on the load that a surface is provided with chimeric element to be held on the framework; One light guide plate is arranged on this reflecting plate and forms stack assemblies; The fluorescent tube assembly is embedded one has the groove that holds this fluorescent tube assembly and have in the body side frame in order to the stationary installation of fixing this stack assemblies; Utilize this body side frame to insert this stack assemblies subsequently and by fixing this whole stack assemblies of this stationary installation; On this light guide plate, at least one blooming piece is set at last and finishes backlight assembly.
[accompanying drawing simple declaration]
The exploded view that Fig. 1 holds framework for the upper frame and the load of the backlight assembly of prior art;
Fig. 2 is the exploded view of body side frame backlight assembly of the present invention;
Fig. 3 is the one particular instantiation intention of (claiming chimeric element in this is graphic) of set stationary installation in the body side frame backlight assembly of the present invention;
Fig. 4 is another particular instantiation intention of set stationary installation in the body side frame backlight assembly of the present invention (claiming chimeric element in this is graphic); And
Fig. 5 is the framework sectional view of body side frame backlight assembly of the present invention.
[embodiment]
According to backlight assembly of the present invention,, can inspect simultaneously when assembling therefore whether fluorescent tube is fixed or not damage, and can improve the yield of production by the body side frame that is designed to assemble from side.Even and this body side frame makes thin state enough stationary installations also can be provided owing to be designed to have groove structure, thereby can improve the visible area scope of liquid crystal panel.
According to backlight assembly of the present invention, can provide the package assembly more strong by the body side frame form than prior art, and the required mould of this body side frame is also little than prior art, therefore temperature when ejection formation and issuing velocity are more easy to control also is easier to saturatedly, causes that the fraction defective of manufacturing is low can and then to reduce manufacturing cost.
In addition, backlight assembly of the present invention is owing to utilize the fixing stack assemblies of body side frame be provided with the groove that can hold the fluorescent tube assembly, and the power of seizing on both sides by the arms the cooperation stationary installation by this groove can more firmly make up this entire backlight assembly.
The elasticity that alleged stationary installation can be this body side frame in the body side frame backlight assembly of the present invention is seized power on both sides by the arms or be can be chimeric element.When this stationary installation is a chimeric element for example in chase and trip or concave point and the salient point etc., this load is held the chimeric element that then corresponds to this side frame on the framework surface and is provided with another chimeric element in addition in order to do holding framework for this load and this side frame is fixed.
Above-mentioned purpose of the present invention and other purposes will be described in detail by following preferred embodiment conjunction with figs. and become more apparent.
See also Fig. 2 now, Fig. 2 is the exploded view of body side frame backlight assembly of the present invention, wherein with the stationary installation on this body side frame of trip formal specification.Framework 1, reflecting plate 2, light guide plate 3, blooming piece 4, fluorescent tube assembly 5 are held by load by body side frame backlight assembly of the present invention system and the body side frame 6 that has the groove that holds this fluorescent tube assembly 5 and have a stationary installation (being chimeric element 61 among Fig. 2) is formed.This load is held framework 1 and is respectively had the sidewall vertical with the bottom surface 11 at the dual-side of symmetry, place, this sidewall two ends respectively be provided with a groove 12 for wear fluorescent tube assembly electric wire 51 and this load hold framework 1 bottom surface near sidewall 11 places respectively be provided with one or more chimeric element 13 (see also Fig. 3, this moment this stationary installation be with this trip can be engaged the chimeric element 13 of chase shape); The position that these body side frame 6 sides are held the chimeric element 13 of framework 1 corresponding to this load be provided with again one or more chimeric element 61 in order to do for and load to hold framework chimeric and fixing.
Make up in the body side frame backlight assembly of the present invention, at first reflecting plate 2 being arranged on load holds on the framework 1, then light guide plate 3 is arranged on the reflecting plate 2, subsequently fluorescent tube assembly 5 respectively is arranged on 3 liang of rear flank of light guide plate, the body side frame 6 that will have the groove that holds this fluorescent tube assembly 5 and have a chimeric element 61 with groove towards fluorescent tube assembly 5 and hold this fluorescent tube assembly to hold the chimeric element 13 of framework 1 with chimeric element 61 and load simultaneously chimeric each other and fix this load and hold framework 1, reflecting plate 2, light guide plate 3 and fluorescent tube assembly 5, at last blooming piece 4 is placed on the light guide plate 3, finishes body side frame backlight assembly of the present invention.
In above-mentioned, this fluorescent tube assembly 5 also can fit into earlier that to utilize behind the groove of this body side frame 6 this chimeric element 61 and load to hold the chimeric element 13 of framework 1 more chimeric each other and fix this load and hold framework 1, reflecting plate 2, light guide plate 3 and fluorescent tube assembly 5, at last blooming piece 4 is placed on the light guide plate 3, finishes body side frame backlight assembly of the present invention.
Then see also Fig. 3, Fig. 3 is in the body side frame backlight assembly of the present invention, body side frame and load are held the particular instantiation intention of the set chimeric element of framework, wherein the chimeric element 61 of this body side frame 6 is a kind of trip form, and the chimeric element 13 that load is held framework 1 is a kind of chase form, the chimeric and fixing assembling body side frame backlight assembly of the present invention by the trip mode.Yet among the present invention, the chimeric element 61 of this body side frame 6 also can be the chase form, carries on a shoulder pole the chimeric element 13 of holding framework 1 this moment and is the trip form.
Fig. 4 is another particular instantiation intention of set chimeric element in the body side frame backlight assembly of the present invention, wherein the chimeric element 61 of this body side frame 6 is a concave point, and the chimeric element 13 that load is held framework 1 is a salient point, the chimeric and fixing assembling body side frame backlight assembly of the present invention by the sags and crests mode.Similarly, this chimeric element 13 also can be a concave point then this 61 of chimeric element be a salient point.In other words, chimeric element 13 and 61 does not limit any form among the present invention, as long as each other can be by chimeric and fixing.
In the body side frame backlight assembly of the present invention, the body side frame with the groove that can hold the fluorescent tube assembly can be U-type or C-type configuration etc.
In the body side frame backlight assembly of the present invention, when this stationary installation was chimeric element, this body side frame is held chimeric number of elements set on the framework with load, and there is no particular restriction, can be one or more, as long as can reach fixing purpose.
Body side frame is not limited to them with carrying on a shoulder pole the material of holding framework among the present invention, can be metal material or other non-metallic materials, can be used for the present invention and does not influence character required for the present invention as long as body side frame that makes and load are held framework.
In the body side frame backlight assembly of the present invention, also can utilize the flexible material of tool to make body side frame and utilize the elasticity of obtained body side frame to give chimeric and fixing assembling body side frame backlight assembly of the present invention and need not utilize any chimeric element.
At last, see also Fig. 5.Fig. 5 is the framework sectional view of the body side frame backlight assembly of the present invention after making up with liquid crystal panel; Wherein 1 is that load is held framework; 13 is chimeric element (that is stationary installation); 2 is reflecting plate; 3 is leaded light component; 4 is blooming piece; 5 is the fluorescent tube assembly; 6 is body side frame; 61 is chimeric element (that is stationary installation); And 7 be display panels.
Fluorescent tube assembly used among the present invention is known the person of knowing by knowing this skill person, and this fluorescent tube assembly has an outer lampshade and fluorescent tube usually, is coated with reflectance coating in this outer lampshade and can reflects the light source of fluorescent tube emission and increase luminance brightness.But the invention is not restricted to which kind of fluorescent tube assembly, as long as light source can be provided.In addition, the quantity of fluorescent tube assembly can be one or more in the body side frame backlight assembly of the present invention, and general quantity is located at the relative both sides of light guide plate in order to do perfect light source is provided for two branches.
Moreover in the body side frame backlight assembly of the present invention, this body side frame can be one or more, preferred at least two to fix the relative both sides of this stack assemblies.
Alleged blooming piece general reference generally is used for the used blooming piece of LCD in the backlight assembly of the present invention, generally comprises, light harvesting film and bright enhancement film etc.But the invention is not restricted to these diaphragms, as long as can be used for LCD person.
In addition, alleged each element of backlight assembly such as reflecting plate and light guide plate all belong to the technology of the present invention field and know the element of knowing among the present invention, repeat no more in this article in view of the above.
The present invention is described in detail by above-mentioned preferred embodiment and accompanying drawing, but the concrete example that is disclosed is only in order to explanation the present invention, not in order to limit the scope of the invention.All various variations of being done in spirit of the present invention and scope, improvement all belong to scope of the present invention.
[figure number simple declaration]
1 load is held framework 13 chimeric elements (fixture)
2 reflecting plates, 3 leaded light components
4 blooming pieces, 5 fluorescent tube assemblies
6 body side frames, 61 chimeric elements (fixture)
7 display panels
Claims (17)
1. backlight assembly is characterized in that:
Hold framework, a reflecting plate and a light guide plate by a load and piled up the stack assemblies of forming, wherein said load is held framework and is respectively had the sidewall vertical with the bottom surface at the dual-side of symmetry, this place, sidewall two ends respectively is provided with a groove, and the bottom surface that described load is held framework is provided with one or more chimeric elements near side-walls;
Be arranged on the blooming piece on this stack assemblies;
Be arranged on the fluorescent tube assembly of the light guide plate side of corresponding described stack assemblies; And
Has body side frame in order to the groove that holds this fluorescent tube assembly, the position of holding the chimeric element of framework corresponding to load at the side of the described groove of formation of described body side frame is provided with one or more chimeric element, wherein said body side frame is assembled in the outside of described stack assemblies from side, thereby the chimeric element that the groove of described body side frame holds on the bottom surface that chimeric element on the side of formation groove of fluorescent tube assembly and described body side frame and corresponding described load hold framework cooperatively interacts fixing with fixing above-mentioned stack assemblies.
2. backlight assembly as claimed in claim 1 is characterized in that: this body side frame has U-type configuration.
3. backlight assembly as claimed in claim 1 is characterized in that: this body side frame has C-type configuration.
4. backlight assembly as claimed in claim 1 is characterized in that: this body side frame is by its groove intrinsic seize on both sides by the arms fixing described stack assemblies of power.
5. backlight assembly as claimed in claim 1 is characterized in that: this chimeric element respectively is trip and chase.
6. backlight assembly as claimed in claim 1 is characterized in that: this chimeric element respectively is salient point and concave point.
7. backlight assembly as claimed in claim 1 is characterized in that: this fluorescent tube assembly is at least the relative both sides of two these light guide plate that are placed in.
8. backlight assembly as claimed in claim 1 is characterized in that: this body side frame is at least the relative both sides that two and this stack assemblies that is placed in have this fluorescent tube assembly.
9. method of assembling backlight assembly is characterized in that:
One reflecting plate is arranged on load holds on the framework, described load is held framework and is respectively had the sidewall vertical with the bottom surface at the dual-side of symmetry, and the bottom surface that described load is held framework is provided with one or more chimeric elements near side-walls;
One light guide plate is arranged on this reflecting plate, thereby forms stack assemblies;
The fluorescent tube assembly is arranged on this light guide plate side;
The body side frame that will have the groove that holds this fluorescent tube assembly is assembled into the outside of this stack assemblies corresponding to the fluorescent tube assembly from side, and the groove that makes described body side frame holds the fluorescent tube assembly, and it is fixing that chimeric element on the one or more chimeric element at the position of the chimeric element of holding framework on the side of the formation groove of described body side frame corresponding to load and bottom surface that corresponding described load is held framework is cooperatively interacted, so that this whole stack assemblies; And
At least one blooming piece is set on this light guide plate and finishes the body side frame backlight assembly.
10. method of assembling backlight assembly is characterized in that:
One reflecting plate is arranged on load holds on the framework, described load is held framework and is respectively had the sidewall vertical with the bottom surface at the dual-side of symmetry, and the bottom surface that described load is held framework is provided with one or more chimeric elements near side-walls;
One light guide plate is arranged on this reflecting plate and forms stack assemblies;
The fluorescent tube assembly is embedded one has in the body side frame of the groove that can hold this fluorescent tube assembly, wherein be provided with one or more chimeric element at the position that the side of the described groove of formation of described body side frame is held the chimeric element of framework corresponding to load;
This body side frame is assembled into the outside of this stack assemblies from side, and makes the chimeric element on the bottom surface that the chimeric element on the side of the formation groove of described body side frame and corresponding described load are held framework cooperatively interact fixing with fixing this whole stack assemblies; And
At least one blooming piece is set on this light guide plate and finishes backlight assembly.
11. as claim 9 or 10 described methods, it is characterized in that: this body side frame has U-type configuration.
12. as claim 9 or 10 described methods, it is characterized in that: this body side frame has C-type configuration.
13. as claim 9 or 10 described methods, it is characterized in that: this body side frame is fixed to described stack assemblies by its chimeric element intrinsic power of seizing on both sides by the arms
14. as claim 9 or 10 described methods, it is characterized in that: this chimeric element respectively can be trip and chase.
15. as claim 9 or 10 described methods, it is characterized in that: this chimeric element respectively can be salient point and concave point.
16. as claim 9 or 10 described methods, it is characterized in that: this fluorescent tube assembly is at least the relative both sides of two these light guide plate that are placed in.
17. method as claimed in claim 9 is characterized in that: this body side frame is at least the relative both sides that two and this stack assemblies that is placed in have this fluorescent tube assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100313360A CN100414377C (en) | 2004-03-26 | 2004-03-26 | Back light assembly of side frame and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100313360A CN100414377C (en) | 2004-03-26 | 2004-03-26 | Back light assembly of side frame and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1673828A CN1673828A (en) | 2005-09-28 |
| CN100414377C true CN100414377C (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100313360A Expired - Fee Related CN100414377C (en) | 2004-03-26 | 2004-03-26 | Back light assembly of side frame and assembling method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN100414377C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445840C (en) | 2005-11-26 | 2008-12-24 | 鸿富锦精密工业（深圳）有限公司 | Structure of lamp box and backlight module |
| CN102376229B (en) * | 2011-11-18 | 2013-09-04 | 深圳市华星光电技术有限公司 | Flat-panel display device and stereoscopic display device |
| JP6318694B2 (en) * | 2014-02-25 | 2018-05-09 | オムロン株式会社 | Inspection device, inspection method, program, and recording medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537296A (en) * | 1993-11-05 | 1996-07-16 | Kimura; Yasuhiro | Backlight for liquid crystal display and liquid crystal display |
| JPH0990361A (en) * | 1995-09-27 | 1997-04-04 | Toshiba Lighting & Technol Corp | Back light and liquid crystal display device formed by using the same |
| JPH11133401A (en) * | 1997-10-29 | 1999-05-21 | Toshiba Electronic Engineering Corp | Liquid crystal display device with back light unit |
| US20010006459A1 (en) * | 1999-12-24 | 2001-07-05 | Daimon Okumura | Backlight unit for use in planar display |
| CN1321910A (en) * | 2000-04-28 | 2001-11-14 | 三星电子株式会社 | Container module and liquid crystal display |
| US6480245B1 (en) * | 1999-03-26 | 2002-11-12 | Advanced Display Inc. | LCD in which lamp reflector is grounded to panel housing via screw, pinch fastening, or snap pressing means |
| US6502945B2 (en) * | 2000-06-30 | 2003-01-07 | Samsung Electronics Co., Ltd. | Stack type backlight assembly, LCD having the same and assembly method thereof |
| US6609808B2 (en) * | 2001-01-16 | 2003-08-26 | Au Optronics Corp. | Frame for fixing light guide plate and backlight unit thereof |
-
2004
- 2004-03-26 CN CNB2004100313360A patent/CN100414377C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537296A (en) * | 1993-11-05 | 1996-07-16 | Kimura; Yasuhiro | Backlight for liquid crystal display and liquid crystal display |
| JPH0990361A (en) * | 1995-09-27 | 1997-04-04 | Toshiba Lighting & Technol Corp | Back light and liquid crystal display device formed by using the same |
| JPH11133401A (en) * | 1997-10-29 | 1999-05-21 | Toshiba Electronic Engineering Corp | Liquid crystal display device with back light unit |
| US6480245B1 (en) * | 1999-03-26 | 2002-11-12 | Advanced Display Inc. | LCD in which lamp reflector is grounded to panel housing via screw, pinch fastening, or snap pressing means |
| US20010006459A1 (en) * | 1999-12-24 | 2001-07-05 | Daimon Okumura | Backlight unit for use in planar display |
| CN1321910A (en) * | 2000-04-28 | 2001-11-14 | 三星电子株式会社 | Container module and liquid crystal display |
| US6502945B2 (en) * | 2000-06-30 | 2003-01-07 | Samsung Electronics Co., Ltd. | Stack type backlight assembly, LCD having the same and assembly method thereof |
| US6609808B2 (en) * | 2001-01-16 | 2003-08-26 | Au Optronics Corp. | Frame for fixing light guide plate and backlight unit thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1673828A (en) | 2005-09-28 |
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