CN104728786A - Backlight module fixing device - Google Patents
Backlight module fixing device Download PDFInfo
- Publication number
- CN104728786A CN104728786A CN201310721841.7A CN201310721841A CN104728786A CN 104728786 A CN104728786 A CN 104728786A CN 201310721841 A CN201310721841 A CN 201310721841A CN 104728786 A CN104728786 A CN 104728786A
- Authority
- CN
- China
- Prior art keywords
- frame arm
- recess
- frame
- posting
- backlight module
- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a backlight module fixing device which comprises a back plate and a positioning frame. The back plate is provided with a bottom surface and a first L-shaped folded edge, the first L-shaped folded edge is connected with the bottom surface of the back plate, the bottom surface of the back plate at least is provided with a first vertex angle and a second vertex angle, the second vertex angle is adjacent to the first vertex angle, the first L-shaped folded edge is positioned at the first vertex angle, and an included angle is formed between the first L-shaped folded edge and the bottom surface of the back plate. The first L-shaped folded edge is connected with the bottom surface of the back plate, and the included angle is formed between the first L-shaped folded edge and the bottom surface of the back plate. The positioning frame is arranged on the bottom surface of the back plate and is provided with at least one first frame arm and at least one second frame arm, and the first frame arms and the second frame arms are respectively butted to two edges of the first L-shaped folded edge of the back plate. The first frame arms are connected with the second frame arms, an included angle is formed between each first frame arm and the corresponding second frame arm, a first concave portion is arranged in a local section, which is adjacent to the corresponding second frame arm, of each first frame arm, and a second concave portion is arranged in a local section, which is adjacent to the corresponding first frame arm, of each second frame arm.
Description
Technical field
The present invention is about a kind of backlight module fixture.
Background technology
In a backlight module design, glue frame can embed in metal backing closely to engage with backboard four corners, but, glue frame is that goods moulded by glue, and the size of glue frame itself has manufacturing tolerance, and backboard is metal sheet, backboard itself also has manufacturing tolerance, once after the glue frame produced matches with backboard two, the size of glue frame exceedes the acceptable tolerance of backboard, when glue frame is mounted to backboard easily and backboard interfere and cause glue frame to arch upward.If but retain too much nargin, the excesssive gap retained between glue frame and backboard, cannot closely cooperate, cause loosening or vibration of element.Therefore, the fixed structure design that needs one are good solves this problem.
No. TWI375069th, TaiWan, China patent announcement discloses a kind of liquid crystal indicator, frame, a liquid crystal panel and bottom-lighting type back light module before comprising one.Front frame engages with direct type backlight module and receives liquid crystal panel, and direct type backlight module comprises the diffusion sheet, a glue frame, a light-source system, a reflector plate and the backboard that sequentially arrange.Light-source system and glue frame are between diffusion sheet and reflector plate, and glue frame engages with backboard and forms receiving space to accommodate light-source system, and are provided with breach between the adjacent two side of backboard.
No. TWI246040th, TaiWan, China patent announcement discloses a kind of framework with barricade, and at least one corner location of barricade has an opening, avoids framework because variations in temperature produces dilation.Barricade madial wall has an inclined-plane, avoid because frame manufacture time tolerance variation, cause size bigger than normal or too small, when causing assembling, liquid crystal panel loosens or breaks.Above-mentioned front case does not all disclose how to solve glue frame and the engaging problem between backboard.
Summary of the invention
The invention provides a kind of avoid assemble time element tilt loosen backlight module fixture.
One embodiment of the invention provide a kind of backlight module fixture, comprise a backboard and a posting.Backboard has a bottom surface and connects one the one L shape flanging of bottom surface, and bottom surface at least has one first drift angle and one second drift angle adjacent to the first drift angle, and a L shape flanging is positioned at the first drift angle and presss from both sides an angle with bottom surface.Posting to be arranged on bottom surface and to have at least one first frame arm and the one second frame arm on the both sides of a L shape flanging of contact backboard respectively.First frame arm connects the second frame arm and presss from both sides an angle with the second frame arm, and the first frame arm has one first recess in the partial section of adjacent second frame arm, and the second frame arm has one second recess in the partial section of adjacent first frame arm.
In one embodiment, the first recess is adjacent one another are with the second recess and communicate.
In one embodiment, the first frame arm has outside one of a L shape flanging, and the first recess is formed in the outside of the first frame arm, and the second frame arm has outside one of a L shape flanging, and the second recess is formed in the outside of the second frame arm.
In one embodiment, the length of the first recess on vertical second frame arm direction is greater than the width of the second frame arm, and the length of the second recess on vertical first frame arm direction is greater than the width of the first frame arm.
In one embodiment, posting can be a glue frame.Posting can comprise four frame arms perpendicular to one another, and the bottom surface of backboard can be quadrangle.
In one embodiment, backboard has one the 2nd L shape flanging being positioned at the second drift angle, and the 2nd L shape flanging connects bottom surface and presss from both sides an angle with bottom surface, and the second frame arm is away from one end contact the 2nd L shape flanging of the first frame arm.
In one embodiment, posting comprises one the 3rd frame arm, and the 3rd frame arm connects the second frame arm and is resisted against the 2nd L shape flanging.
In one embodiment, the second frame arm has one the 3rd recess in the partial section of adjacent 3rd frame arm, and the 3rd frame arm has one the 4th recess in the partial section of adjacent second frame arm, and the 3rd recess is adjacent one another are with the 4th recess and communicate.
By the design of each embodiment above-mentioned, because the corner of posting carries out the face that the falls process forming recess, so when posting is arranged on backboard, the extending space that posting is extra can be provided, avoid the phenomenon that the extruding because of backboard sidewall causes posting to arch upward, and still can guarantee that each face of posting all can engage with backboard completely.On the other hand, become the face that falls of recess to design by frame arm shape, the size acceptable tolerance of posting can be relaxed, and still can reach engaging completely and the problem avoiding posting to arch upward, also can reduce the quantity of the defective products not being inconsistent generation because of dimensional accuracy.
Other object of the present invention and advantage can be further understood from the technical characteristic disclosed by the present invention.For above and other objects of the present invention, feature and advantage can be become apparent, special embodiment below also coordinates accompanying drawing, is described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the backlight module fixture according to one embodiment of the invention.
Fig. 2 is the close-up schematic view of Fig. 1.
Detailed description of the invention
Aforementioned and other technology contents, feature and effect for the present invention, in the detailed description of following cooperation with reference to graphic embodiment, can clearly present.The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention.
Fig. 1 is the schematic diagram of the backlight module fixture according to one embodiment of the invention, and Fig. 2 is the close-up schematic view of Fig. 1.Please also refer to Fig. 1 and Fig. 2, a kind of backlight module fixture 10 comprises backboard 12 and a posting 14.Backboard 12 has a bottom surface 22 and connects one the one L shape flanging 16a of bottom surface 22, and bottom surface 22 at least has one first drift angle 22a and the one second drift angle 22b adjacent to the first drift angle 22a.One L shape flanging 16a is positioned at the first drift angle 22a place and presss from both sides an angle with bottom surface 22.Posting 14 is arranged on the bottom surface 22 of backboard 12, posting 14 has at least one first frame arm 14a and the one second frame arm 14b on the both sides of a L shape flanging 16a of contact backboard 12 respectively, first frame arm 14a connects the second frame arm 14b and presss from both sides an angle with the second frame arm 14b, first frame arm 14a has one first recess P in the partial section of adjacent second frame arm 14b, and the second frame arm 14b has one second recess Q in the partial section of adjacent first frame arm 14a.Angle between above-mentioned L shape flanging 16a and bottom surface 22 and between two frame arm 14a, 14b can be right angle or any required angle.In one embodiment, first frame arm 14a has 141a outside of a L shape flanging 16a, and the first recess P is formed in the outside 141a of the first frame arm 14a, second frame arm 14b has 141b outside of a L shape flanging 16a, second recess Q is formed in the outside 141b of the second frame arm 14b, and the first recess P and the second recess Q can be adjacent one another are and communicate.In one embodiment, posting 14 such as can be a glue frame.
By the design of above-described embodiment, because the corner of posting 14 carries out the face that the falls process forming recess, so when posting 14 is arranged on backboard 12, the extending space that posting 14 is extra can be provided, avoid the phenomenon that the extruding because of backboard 12 sidewall causes posting 14 to arch upward, and still can guarantee that each face of posting 14 all can engage with backboard 12 completely.On the other hand, become the face that falls of recess to design by frame arm shape, the size acceptable tolerance of posting 14 can be relaxed, and still can reach engaging completely and the problem avoiding posting to arch upward, also can reduce the quantity of the defective products not being inconsistent generation because of dimensional accuracy.
Moreover, in one embodiment, as shown in Figure 2, first recess P along on the first frame arm 14a length direction length p can be greater than the width w2 of the second frame arm 14b, and the second recess Q is at the width w1 being greater than the first frame arm 14a along the length q on the second frame arm 14b length direction, using the frame arm more guaranteeing posting 14 can not swell because of the direct interference stresses of backboard 12.In addition, as shown in Figure 1, posting 14 separately can have one the 3rd frame arm 14c, and backboard 12 can have one the 2nd L shape flanging 16b being positioned at the second drift angle 22b place.2nd L shape flanging 16b connects bottom surface 22 and presss from both sides an angle with bottom surface 22, and the second frame arm 14b is away from one end contact the 2nd L shape flanging 16b of the first frame arm 14a, and one end also contact the 2nd L shape flanging 16b of the contiguous second frame arm 14b of the 3rd frame arm 14c.Second frame arm 14b has one the 3rd recess R in the partial section of adjacent 3rd frame arm 14c, and the 3rd frame arm 14c has one the 4th recess S in the partial section of adjacent second frame arm 14b, and the 3rd recess R and the 4th recess S each other can be adjacent and communicate.Similarly, the length of recess R, S shines the aforementioned patten's design about recess P, Q, more to guarantee that the frame arm of posting 14 can not swell because of the direct interference stresses of backboard 12 relative to the width comparable of frame arm 14b, 14c.
The illustrative backboard of Fig. 1 12 has the bottom surface of quadrangle and posting 14 has four frame arm 14a-14d perpendicular to one another, but, backboard 12 does not limit completely with the profile of posting 14, the bottom surface 22 of such as backboard 12 can be triangle, polygon, star, semilune, cross, arrow-shaped, arc or above-mentioned compound shape etc., therefore the frame arm of posting 14 can go out various different profile and does not limit by corral equally, and posting 14 only needs to have a bight can carry out falling face process, and this bight is not defined as a right angle, also can be required angle arbitrarily.In addition, although only carry out in a corner of posting 14 aforesaid fall face process can produce the effect avoiding posting 14 to arch upward, but also can carry out falling face process (such as Fig. 1 illustrate all carry out falling face in four corners) in a plurality of corner, the present invention is not limited thereto.Moreover L shape flanging 16a, 16b of backboard 12 and the angle folded by bottom surface 22 do not limit, and the L shape flanging that two is adjacent (the one L shape flanging 16a as illustrative in Fig. 1 and the 2nd L shape flanging 16b) can not be connected.
In one embodiment, the both sides of a L shape flanging 16a respectively corresponding first frame arm 14a and the second frame arm 14b are also provided with one the 5th recess A, and the 6th recess B, also can help avoid posting 14 and arch upward.Fig. 1, Fig. 2 shown with the 5th recess A and the 6th recess B, but the present invention is not limited thereto, and in other embodiments, the both sides of a L shape flanging 16a can not have the 5th recess A, and the 6th recess B.
The foregoing is only the preferred embodiments of the present invention, can not limit scope of the invention process with this, all simple equivalences done according to the claims in the present invention and summary of the invention change and amendment, all still belong in the scope of patent of the present invention covering.Any embodiment of the present invention or claim, must not realize whole object disclosed by the present invention or advantage or feature in addition.
Symbol description
10 backlight module fixtures
12 backboards
14 postings
14a-14d frame arm
Outside 141a, 141b frame arm
16a, 16b L shape flanging
22 bottom surfaces
22a first drift angle
22b second drift angle
P first recess
Q second recess
R the 3rd recess
S the 4th recess
A the 5th recess
B the 6th recess
P, q recess length
W1, w2 frame arm width.
Claims (10)
1. a backlight module fixture, comprises a backboard, and a posting,
This backboard has a bottom surface and connects one the one L shape flanging of this bottom surface, and this bottom surface at least has one first drift angle and one second drift angle adjacent to this first drift angle, and a L shape flanging is positioned at this first drift angle and presss from both sides an angle with this bottom surface,
This posting is arranged on this bottom surface, this posting has at least one first frame arm and the one second frame arm on the both sides of a L shape flanging of this backboard of contact respectively, this the first frame arm connects this second frame arm and presss from both sides an angle with this second frame arm, this the first frame arm has one first recess in the partial section of this second frame arm adjacent, and this second frame arm has one second recess in the partial section of this first frame arm adjacent.
2. backlight module fixture as claimed in claim 1, is characterized in that, this first recess is adjacent one another are with this second recess and communicate.
3. backlight module fixture as claimed in claim 1, it is characterized in that, this first frame arm has outside one of a L shape flanging, and this first recess is formed in outside this of this first frame arm.
4. backlight module fixture as claimed in claim 1, it is characterized in that, this second frame arm has outside one of a L shape flanging, and this second recess is formed in outside this of this second frame arm.
5. backlight module fixture as claimed in claim 1, it is characterized in that, the length of this first recess on this second frame arm direction vertical is greater than the width of this second frame arm, and the length of this second recess on this first frame arm direction vertical is greater than the width of this first frame arm.
6. backlight module fixture as claimed in claim 1, it is characterized in that, this posting is a glue frame.
7. backlight module fixture as claimed in claim 1, it is characterized in that, this posting comprises four frame arms perpendicular to one another, and this bottom surface of this backboard is quadrangle.
8. backlight module fixture as claimed in claim 1, it is characterized in that, this backboard has one the 2nd L shape flanging being positioned at this second drift angle, 2nd L shape flanging connects this bottom surface and presss from both sides an angle with this bottom surface, and this second frame arm is away from one end contact the 2nd L shape flanging of this first frame arm.
9. backlight module fixture as claimed in claim 8, it is characterized in that, this posting comprises one the 3rd frame arm, and the 3rd frame arm connects this second frame arm and is resisted against the 2nd L shape flanging.
10. backlight module fixture as claimed in claim 9, it is characterized in that, this the second frame arm has one the 3rd recess in the partial section of adjacent 3rd frame arm, 3rd frame arm has one the 4th recess in the partial section of this second frame arm adjacent, and the 3rd recess is adjacent one another are with the 4th recess and communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721841.7A CN104728786B (en) | 2013-12-24 | 2013-12-24 | Backlight module fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721841.7A CN104728786B (en) | 2013-12-24 | 2013-12-24 | Backlight module fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728786A true CN104728786A (en) | 2015-06-24 |
| CN104728786B CN104728786B (en) | 2017-10-17 |
Family
ID=53452941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310721841.7A Expired - Fee Related CN104728786B (en) | 2013-12-24 | 2013-12-24 | Backlight module fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728786B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020186526A1 (en) * | 2001-06-11 | 2002-12-12 | Kim Sung Kon | Flat display module-housing assembly |
| CN102243392A (en) * | 2011-07-12 | 2011-11-16 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal module |
| CN202361183U (en) * | 2011-11-08 | 2012-08-01 | 深圳市嘉泰宏实业有限公司 | Light-leaking-proof LED (Light-emitting Diode) backlight source structure |
-
2013
- 2013-12-24 CN CN201310721841.7A patent/CN104728786B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020186526A1 (en) * | 2001-06-11 | 2002-12-12 | Kim Sung Kon | Flat display module-housing assembly |
| CN102243392A (en) * | 2011-07-12 | 2011-11-16 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal module |
| CN202361183U (en) * | 2011-11-08 | 2012-08-01 | 深圳市嘉泰宏实业有限公司 | Light-leaking-proof LED (Light-emitting Diode) backlight source structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728786B (en) | 2017-10-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20201224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |