CN103994405A - Light guide plate installing structure - Google Patents
Light guide plate installing structure Download PDFInfo
- Publication number
- CN103994405A CN103994405A CN201410261422.4A CN201410261422A CN103994405A CN 103994405 A CN103994405 A CN 103994405A CN 201410261422 A CN201410261422 A CN 201410261422A CN 103994405 A CN103994405 A CN 103994405A
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- lgp
- light guide
- guide plate
- locating hole
- locating
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Abstract
The invention relates to the technical field of light display structures and discloses a light guide plate installing structure. The light guide plate installing structure comprises a light guide plate, a back plate and a plastic frame, wherein the light guide plate, the back plate and the plastic frame are arranged in sequence. The light guide plate comprises a first face and a second face which are arranged oppositely. The second face faces the back plate. The four vertex angles of the first face of the light guide plate are provided with clamping positions recessed downwards. A protruding lug protruding outwards is arranged on the side wall of the middle of the light guide plate. Protruding ribs matched with the clamping positions are arranged on the four vertex angles of the inner ring of the plastic frame. A locating groove matched with the protruding lug is formed in the middle of the inner ring of the plastic frame. A groove is formed in the second face of the light guide plate. A rib plate matched with the groove is arranged on the back plate and used for locating the light guide plate and limiting expansion of the light guide plate in the installation process. According to the light guide plate installing structure, the thin light guide plate can be effectively prevented from being deformed, the light guide plate can be accurately located in the installation process, and the phenomenon that the light guide plate is prone to deformation due to the fact that the light guide plate is heated and expands is avoided.
Description
Technical field
The present invention relates to light display structures technical field, relate in particular to a kind of LGP mounting structure.
Background technology
Lcd technology has become the outstanding person in Display Technique gradually through development for many years, and the LCDs of producing taking it as technical support becomes the indispensable vitals of the display unit such as flat board, mobile phone.But because display panels itself is not luminous, therefore backlight module need to be set below display panels.
The distribution form of the common light source in prior art in conventional LCDs is divided into that the end is backlight and side is backlight.For the LCDs that uses side mode backlight to carry out light source setting, LGP is of paramount importance optics, light source is arranged on the side of LGP, LGP is very important with respect to the location of light source, if locate not accurate enough and stable, to directly affect display effect, and then affect the whole structure of product.And, the expansion that will produce to LGP because being heated reserves surplus, if mounting structure location is not accurate enough rationally, be very easy to make LGP always to weigh the elements such as LED lamp wounded in expansion process, cause unnecessary loss, the service life of reduction equipment, increase consumer's operation and maintenance cost.
On the other hand, in order effectively to reduce production costs, improve the light emission rate of LGP, that in prior art, conventionally LGP is designed is thinner, and thin LGP easily deforms and then causes light emission rate step-down, affects display effect.
Therefore, a kind of LGP mounting structure is needed in market badly, can effectively prevent that thinner LGP from deforming, and can make LGP accurate positioning in installation process simultaneously, is difficult for deforming because of expanded by heating.
Summary of the invention
The object of the invention is to propose a kind of LGP mounting structure to solve in prior art because LGP is compared with the thin difficult installation producing, the problem such as be easily damaged in installation process.
Another object of the present invention is to, propose a kind of LGP mounting structure, in installation process, locate inaccurately to solve in prior art LGP, easily because expanded by heating deforms, cause short problem in service life.
For reaching this object, the present invention by the following technical solutions:
A kind of LGP mounting structure, comprise the LGP, backboard and the glue frame that set gradually, described LGP comprises the first surface that is oppositely arranged and second, face described backboard for described second, four corner position places of the first surface of described LGP are provided with the screens to lower recess, on the sidewall at described LGP middle part, are provided with outwardly lug; Four corner position places of described glue frame inner ring are provided with the convex tendon matching with described screens, and the middle part of described glue frame inner ring is provided with the locating slot matching with described lug; Second of described LGP is provided with groove, and described groove is " L " type structure, and the both sides of described " L " type structure contact with base and the side of second of described LGP respectively; On described backboard, have the gusset matching with described groove, described gusset expands for position and limit described LGP in installation process; Described LGP is provided with the location division of expanding to light inlet side for limiting it; Described location division comprises the first locating hole and the second locating hole on the adjacent side that is arranged at described light inlet side, also comprises the first locating dowel and the second locating dowel that match with described the first locating hole and the second locating hole respectively.
Further, described groove adopts the mode machine-shaping of milling; The degree of depth of described groove is the half of described light guide plate.
Preferably, a limit of described glue frame is provided with light source base, and described light source base is connected with light source.
Preferably, the skin of described glue frame is enclosed with layer of metal sheet.
Preferably, on the outer surface of described the first locating dowel and the second locating dowel, be provided with coarse structure.
Preferably, the roughness of described coarse structure is 0.25 μ m-1 μ m.
Preferably, the inner surface of described the first locating hole and the second locating hole has coarse structure.
Preferably, between described the first locating hole and described the first locating dowel, be matched in clearance, the monolateral gap between described the first locating hole and described the first locating dowel is 0.1mm-0.13mm.
Preferably, between described the second locating hole and described the second locating dowel, be matched in clearance, the monolateral gap between described the second locating hole and described the second locating dowel is 0.1mm-0.15mm.
Beneficial effect of the present invention is: the surrounding of the LGP in the present invention is provided with glue frame, adopts screens and lug that LGP is firmly fixed in glue frame, makes LGP in installation process, be difficult for producing distortion, ensures that LGP normally uses.
On second of LGP in the present invention, be provided with groove, groove matches with the gusset on backboard, and it is more accurate to make to locate in LGP and backboard installation process, and the structure of backboard is simplified more, has reduced the step of processing.
On LGP in the present invention, be provided with locating dowel and locating hole, make LGP be difficult to expand to the direction at light source place, reduced because of the LGP risk that causes light source to be damaged by pressure that expands.
Brief description of the drawings
Fig. 1 is the front view of the LGP first surface that provides of the specific embodiment of the invention;
Fig. 2 is the adhesive frame structure schematic diagram that the specific embodiment of the invention provides;
Fig. 3 is the top view of second of LGP proposing of the specific embodiment of the invention;
Fig. 4 is the partial enlarged drawing of a-quadrant in Fig. 3.
In figure:
1, screens; 2, LGP; 3, lug; 4, glue frame; 5, locating slot; 6, convex tendon; 7, light source; 8, the first locating dowel; 81, the first locating hole; 9, the second locating dowel; 91, the second locating hole; 10, groove.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
The present invention proposes a kind of LGP mounting structure, comprises the LGP, backboard and the glue frame that set gradually.LGP comprises the first surface that is oppositely arranged and second, and second in the face of backboard, and as shown in Figure 1, four corner position places of the first surface of LGP 2 are provided with the screens 1 to lower recess, on the sidewall at LGP 2 middle parts, are provided with outwardly lug 3.
As shown in Figure 2, four corner position places of glue frame 4 inner rings are provided with the convex tendon 6 matching with screens 1, and the middle part of glue frame 4 inner rings is provided with the locating slot 5 matching with lug 3.A limit of glue frame 4 is provided with light source base, and light source base is connected with light source 7, and light source 7 is LED light source.Further, the skin of glue frame 4 is enclosed with layer of metal sheet.The surrounding of the LGP in the present invention is provided with glue frame, adopts screens and lug that LGP is firmly fixed in glue frame, makes LGP in installation process, be difficult for producing distortion, ensures that LGP normally uses.
As shown in Figure 3, second of LGP 2 is provided with groove 10, and groove 10 is " L " type structure, and the both sides of " L " type structure contact with base and the side of 2 second of LGPs respectively.Groove 10 adopts the mode machine-shaping of milling; The degree of depth of groove 10 is the half of LGP 2 thickness.On backboard, have the gusset matching with groove 10, gusset expands for positioning and limit LGP 2 in installation process.On second of LGP in the present invention, be provided with groove, groove matches with the gusset on backboard, and it is more accurate to make to locate in LGP and backboard installation process, and the structure of backboard is simplified more, has reduced the step of processing.The shape of middle slot of the present invention and gusset is just for occupation mode of the present invention is better described, as long as the groove of other shapes and gusset can be realized the shape of the use function in the present invention, all within protection scope of the present invention.
As embodiment further, LGP 2 is provided with the location division of expanding to light inlet side for limiting it; Location division comprises the first locating hole 81 and the second locating hole 91 on the adjacent side that is arranged at light inlet side, also comprises the first locating dowel 8 and the second locating dowel 9 that match with the first locating hole 81 and the second locating hole 91 respectively.As shown in Figure 4, between the first locating hole 81 and the first locating dowel 8, be matched in clearance, the monolateral gap a between the first locating hole 81 and the first locating dowel 8 is 0.1mm-0.13mm.Between the second locating hole 91 and the second locating dowel 9, be matched in clearance, the monolateral gap b between the second locating hole 91 and the second locating dowel 9 is 0.1mm-0.15mm.
On the outer surface of the first locating dowel 8 and the second locating dowel 9, be provided with coarse structure, the inner surface of the first locating hole 81 and the second locating hole 91 also has coarse structure.The roughness of coarse structure is 0.25 μ m-1 μ m.Locating dowel and locating hole all adopt surface roughness, can effectively increase diffuse effect, make display effect better.On LGP in the present invention, be provided with locating dowel and locating hole, make LGP be difficult to expand to the direction at light source place, reduced because of the LGP risk that causes light source to be damaged by pressure that expands.
The data such as the gap in the present invention are only in order better to illustrate the technical scheme in the present embodiment; do not form limiting the scope of the present invention; adopting after the LGP and specific works environment of different expansion rates; can there is the variation of corresponding proportion in above-mentioned data, within all should being included in protection scope of the present invention.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (9)
1. a LGP mounting structure, comprise the LGP (2), backboard and the glue frame (4) that set gradually, described LGP (2) comprises the first surface that is oppositely arranged and second, face described backboard for described second, it is characterized in that: four corner position places of the first surface of described LGP (2) are provided with the screens (1) to lower recess, on the sidewall at described LGP (2) middle part, be provided with outwardly lug (3);
Four corner position places of described glue frame (4) inner ring are provided with the convex tendon (6) matching with described screens (1), and the middle part of described glue frame (4) inner ring is provided with the locating slot (5) matching with described lug;
Second of described LGP (2) is provided with groove (10), and described groove (10) is " L " type structure, and the both sides of described " L " type structure contact with base and the side of (2) second of described LGPs respectively;
On described backboard, have the gusset matching with described groove (10), described gusset expands for position and limit described LGP (2) in installation process;
Described LGP (2) is provided with the location division of expanding to light inlet side for limiting it;
Described location division comprises the first locating hole (81) and the second locating hole (91) on the adjacent side that is arranged at described light inlet side, also comprises the first locating dowel (8) and the second locating dowel (9) that match with described the first locating hole (81) and the second locating hole (91) respectively.
2. LGP mounting structure according to claim 1, is characterized in that: described groove (10) adopts the mode machine-shaping of milling;
The degree of depth of described groove (10) is the half of described LGP (2) thickness.
3. LGP mounting structure according to claim 2, is characterized in that: a limit of described glue frame (4) is provided with light source base, and described light source base is connected with light source (7).
4. LGP mounting structure according to claim 1, is characterized in that: the skin of described glue frame (4) is enclosed with layer of metal sheet.
5. LGP mounting structure according to claim 1, is characterized in that: on the outer surface of described the first locating dowel (8) and the second locating dowel (9), be provided with coarse structure.
6. LGP mounting structure according to claim 5, is characterized in that: the roughness of described coarse structure is 0.25 μ m-1 μ m.
7. LGP mounting structure according to claim 1, is characterized in that: the inner surface of described the first locating hole (81) and the second locating hole (91) has coarse structure.
8. LGP mounting structure according to claim 1, it is characterized in that: between described the first locating hole (81) and described the first locating dowel (8), be matched in clearance, the monolateral gap between described the first locating hole (81) and described the first locating dowel (8) is 0.1mm-0.13mm.
9. LGP mounting structure according to claim 1, it is characterized in that: between described the second locating hole (91) and described the second locating dowel (9), be matched in clearance, the monolateral gap between described the second locating hole (91) and described the second locating dowel (9) is 0.1mm-0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261422.4A CN103994405A (en) | 2014-06-13 | 2014-06-13 | Light guide plate installing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261422.4A CN103994405A (en) | 2014-06-13 | 2014-06-13 | Light guide plate installing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103994405A true CN103994405A (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261422.4A Pending CN103994405A (en) | 2014-06-13 | 2014-06-13 | Light guide plate installing structure |
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| CN (1) | CN103994405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208897A (en) * | 2019-05-23 | 2019-09-06 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle-mounted TFT display backlight structure |
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| CN201748348U (en) * | 2010-08-31 | 2011-02-16 | 青岛海信电器股份有限公司 | Light guide plate positioning structure, the backlight module and the liquid crystal display (LCD) |
| CN202003072U (en) * | 2011-03-23 | 2011-10-05 | 东莞市翌唐新晨光电科技有限公司 | Light guide plate assembling structure |
| CN202004816U (en) * | 2011-03-23 | 2011-10-05 | 东莞市翌唐新晨光电科技有限公司 | Matching structure of light guide plate and rubber frame |
| CN202501393U (en) * | 2012-03-22 | 2012-10-24 | 青岛海信电器股份有限公司 | Light guide plate locating structure, backlight module and television |
| CN202757067U (en) * | 2012-08-22 | 2013-02-27 | 青岛海信电器股份有限公司 | Light guide plate (LGP) positioning column and rear panel and backlight module |
| CN203385886U (en) * | 2013-07-01 | 2014-01-08 | 富昱科技开发股份有限公司 | Positioning structure of light guide plate |
| CN204005765U (en) * | 2014-06-13 | 2014-12-10 | 段清莲 | A kind of LGP mounting structure |
-
2014
- 2014-06-13 CN CN201410261422.4A patent/CN103994405A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010518A (en) * | 2009-07-24 | 2011-02-01 | 엘지디스플레이 주식회사 | Backlight unit |
| CN201748348U (en) * | 2010-08-31 | 2011-02-16 | 青岛海信电器股份有限公司 | Light guide plate positioning structure, the backlight module and the liquid crystal display (LCD) |
| CN202003072U (en) * | 2011-03-23 | 2011-10-05 | 东莞市翌唐新晨光电科技有限公司 | Light guide plate assembling structure |
| CN202004816U (en) * | 2011-03-23 | 2011-10-05 | 东莞市翌唐新晨光电科技有限公司 | Matching structure of light guide plate and rubber frame |
| CN202501393U (en) * | 2012-03-22 | 2012-10-24 | 青岛海信电器股份有限公司 | Light guide plate locating structure, backlight module and television |
| CN202757067U (en) * | 2012-08-22 | 2013-02-27 | 青岛海信电器股份有限公司 | Light guide plate (LGP) positioning column and rear panel and backlight module |
| CN203385886U (en) * | 2013-07-01 | 2014-01-08 | 富昱科技开发股份有限公司 | Positioning structure of light guide plate |
| CN204005765U (en) * | 2014-06-13 | 2014-12-10 | 段清莲 | A kind of LGP mounting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208897A (en) * | 2019-05-23 | 2019-09-06 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle-mounted TFT display backlight structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: DUAN QINGLIAN Free format text: FORMER OWNER: YU WENWEN Effective date: 20141029 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Duan Qinglian Inventor before: Yu Wenwen |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YU WENWEN TO: DUAN QINGLIAN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20141029 Address after: 075000 Zhangjiakou City, Hebei province Qiaodong District of Chahar Century Square East three floor B District No. 04 Applicant after: Duan Qinglian Address before: 075000 Zhangjiakou City, Hebei province Qiaodong District of the ditch Street No. 23 B Unit No. 402 Applicant before: Yu Wenwen |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |