CN101201488A - Liquid crystal display module and supporting device thereof - Google Patents
Liquid crystal display module and supporting device thereof Download PDFInfo
- Publication number
- CN101201488A CN101201488A CNA200610119489XA CN200610119489A CN101201488A CN 101201488 A CN101201488 A CN 101201488A CN A200610119489X A CNA200610119489X A CN A200610119489XA CN 200610119489 A CN200610119489 A CN 200610119489A CN 101201488 A CN101201488 A CN 101201488A
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- Prior art keywords
- platform
- optical diaphragm
- diaphragm group
- lcd module
- fin
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 239000003292 glue Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims 2
- 239000012788 optical film Substances 0.000 abstract 6
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention provides a supporting device of a liquid crystal display module, which comprises: the back plate is provided with a bottom plate and a plurality of supporting plates, and the bottom plate is sequentially provided with a reflecting plate, a light guide plate and an optical diaphragm group; the rubber frame extends out of a plurality of platforms which are erected on the optical film group and form a certain distance with the optical film group; at least one platform is provided with a convex rib, the optical film group is correspondingly provided with a through hole, and each convex rib passes through the through hole of the corresponding optical film group and is supported between the platform and the light guide plate. Because the supporting point of the convex rib for supporting the platform is close to the free tail end of the platform, the distance between the platform and the optical film group can be ensured, and the optical film group is prevented from generating wavy deformation under the high-temperature state.
Description
[technical field]
The present invention relates to a kind of LCD MODULE and bracing or strutting arrangement thereof, especially relate to the bracing or strutting arrangement of a LCD MODULE.
[background technology]
See also shown in Figure 1, the available liquid crystal display module comprises that a display panels 11, a backlight module 12 are arranged at display panels 11 rears to provide light to display panels, and a bracing or strutting arrangement, in order to support and to fix this display panels 11 and described backlight module 12.This bracing or strutting arrangement comprises a backboard 13, a glue frame 14 and is covered in ring glass plate 15 on this glue frame 14, described display panels 11 is covered on the glass plate 15.Coated by a frame 16 around this bracing or strutting arrangement and the display panels 11, and then this LCD MODULE is mounted in the shell of liquid crystal indicator.Described backboard 13 comprises a rectangular base plate 131 and several back up pads 132, and these back up pads 132 are extended with the direction of vertical base plate 131 from edge, described base plate 131 4 limit respectively, and mat makes base plate 131 and the back up pad 132 common receiving spaces that form.Described backlight module 12 comprises a light source (not shown) and a reflecting plate 121, a light guide plate 122 and an optical diaphragm group 123.This reflecting plate 121, light guide plate 122 and optical diaphragm group 123 are set in turn on the base plate 131, and are contained in this receiving space, in order to uniform in-plane light to be provided to display panels.Optical diaphragm group 123 comprises several blooming pieces, for example diffuser plate or prism plate etc., be arranged at the exiting surface 1220 of light guide plate 122, make light by exiting surface 1220 output see through the effect of optical diaphragm group 123 and the positive briliancy that light more evenly spread and promote light.Described glue frame 14 is surrounded on around the backboard 13, it comprises an annular fixed frame 141, be surrounded on back up pad 132 outsides, and several platforms 142, extend internally with the direction that is parallel to base plate 131 from each side of this fixed frame 141, these platform 142 is subjected to the support of back up pad 132, and part be set up in this optical diaphragm group 123 around on the outward flange, and and this optical diaphragm group 123 between form (being expressed as d1) at regular intervals.Known to just general, this spacing d1 should be controlled between the 0.15-0.2 millimeter, to guarantee that optical diaphragm group 123 has enough expansion spaces when being heated, prevents that rugged wavy (waving) distortion from appearring in optical diaphragm group 123.Yet, in above-mentioned available liquid crystal display device, the back up pad 132 that only depends on platform 142 supports the following problem of appearance easily: promptly work as glass plate 15 and be filled on the platform 142, and be filled to display panels 11 on the glass plate 15 and take after the free terminal 1421 that is against platform 142, because a strong point 1420 of 132 pairs of platforms 142 of back up pad is far away apart from a free terminal 1421 of platform 142, so platform 142 is deformed because of stressed, cause can't maintain between the 0.15-0.2 millimeter between platform 142 and the optical diaphragm group 123 apart from d1, but be lower than described ideal value, therefore, when optical diaphragm group 123 under heat effect from light source, especially when accepting high temperature test, cause wavy (waving) distortion because of the expanded by heating insufficient space easily, influence the picture effect of liquid crystal indicator, even cause optical diaphragm group to come off.
[summary of the invention]
The object of the present invention is to provide a kind of LCD MODULE and backplate device thereof, prevent that optical diaphragm group from wavy (waving) taking place be out of shape or come off.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of bracing or strutting arrangement of LCD MODULE, include: a backboard, it comprises a base plate, several back up pads of extending vertically upward around described base plate, and a glue frame.Be disposed with a light guide plate and an optical diaphragm group on wherein said being somebody's turn to do.Described glue frame, comprise that further a fixed frame is surrounded on outside the described back up pad, and several platforms, be parallel to this base plate from each side of this fixed frame and extend, wherein these paralells are located on this optical diaphragm group, and and this optical diaphragm group between form at regular intervals; And at least one platform is provided with a fin, and correspondence offers perforation on this optical diaphragm group, and the size of perforation is greater than the size of its corresponding fin, makes each fin all pass the perforation of its correspondence and is supported between described platform and the described light guide plate.
The present invention provides a kind of LCD MODULE in addition, includes: a backboard, a backlight module, a glue frame, and a display panels.This display panels has a picture portion and and is positioned at picture portion extension all around.Described backboard comprises a base plate and several back up pads, and makes this base plate and the common receiving space that forms of several back up pads.Described backlight module comprises a light guide plate and an optical diaphragm group, is set in turn in the receiving space of this backboard.Described glue frame is surrounded on side outside this backboard, and it comprises several platforms, these terrace parts extend on the described optical diaphragm group, and and be formed with spacing between this optical diaphragm group, and at least one platform is provided with a fin, and this fin sees through optical diaphragm group and supports described light guide plate.
Compared with prior art, the present invention be equivalent to the position of the platform strong point of glue frame more near the free terminal of the platform of glue frame, the i.e. picture side of more close display panels, so can guarantee that distance between platform and the optical diaphragm group is in ideal range, prevent that optical diaphragm group from wavy (waving) distortion taking place under the condition of high temperature, and can prevent that optical diaphragm group from coming off.
[description of drawings]
Fig. 1 is the schematic cross-section of available liquid crystal display module;
Fig. 2 is the schematic cross-section of liquid crystal mesogens display module of the present invention;
Fig. 3 is the schematic top plan view of optical diaphragm group in a kind of LCD MODULE according to an embodiment of the invention; And
Fig. 4 is the schematic top plan view of optical diaphragm group in a kind of LCD MODULE according to another embodiment of the present invention.
[embodiment]
See also shown in Figure 2, a kind of LCD MODULE for foundation preferred embodiment of the present invention, it mainly comprises a display panels 21, a backlight module 22 is arranged at display panels 21 rears provides light to display panels 21, and a bracing or strutting arrangement, in order to support and fixing described display panels 21 and this backlight module 22.Described bracing or strutting arrangement further comprises a backboard 23, a glue frame 24 and is covered in ring glass plate 25 on this glue frame 24, and described display panels is covered on the glass plate 25.Coated by a frame 26 around this bracing or strutting arrangement and the display panels 21, and then be mounted in the shell of a liquid crystal indicator.
Described display panels 21 comprises the picture portion 211 on the optical diaphragm group 223 that is set up in and is positioned at around the picture portion 211, is pressed on the extension 212 on the glass plate 25.
Described backboard 23 comprises a rectangular base plate 231 and several back up pads 232, and back up pad 232 extends upward with the direction of vertical base plate 231 all around from base plate 231, and base plate 231 and the back up pad 232 common receiving spaces that form.
Described backlight module 22 comprises a light source (not shown) and a reflecting plate 221, a light guide plate 222 and an optical diaphragm group 223.This reflecting plate 221, light guide plate 222 and optical diaphragm group 223 are set in turn on the base plate 231 of backboard, and are contained in the described receiving space, in order to uniform in-plane light to be provided to display panels.Optical diaphragm group 223 comprises several blooming pieces, for example diffuser plate or prism plate etc., be arranged at the exiting surface 2220 of light guide plate 222, make light see through the effect of optical diaphragm group 223 and make the positive briliancy that light is more even and promote light by exiting surface output.Please shown in Figure 3 in conjunction with reference, in one embodiment, the relative two side ends of this optical diaphragm group 223 is also respectively offering several strips that penetrate described optical diaphragm group 223 perforation 2231 near back up pad 232 places.The quantity and the shape of perforation 2231 are one of various embodiments only on the optical diaphragm group 223, are not in order to limit scope of the present invention.
As shown in Figure 2, this glue frame 24 is surrounded on around the backboard 23, and it comprises an annular fixed frame 241, is surrounded on back up pad 232 outsides, and several platforms 242, extends with the direction that is parallel to base plate 231 from each side of this fixed frame 241.Described platform 242 is subjected to the support of back up pad 232, and part is set up on the outward flange all around of this optical diaphragm group 223, and and formation (being expressed as d2) at regular intervals between this optical diaphragm group 223, and this spacing is controlled between the 0.15-0.2 millimeter, guarantee that optical diaphragm group 223 has enough expansion spaces when being heated, rugged wavy (waving) distortion occurs to prevent optical diaphragm group 223.Every platform 242 all has a free terminal 2421, glass plate 25 is filled on the platform 242, and be filled to display panels 21 on the glass plate 25 and take the free terminal 2421 that is against platform 242, the extension portion 212 of described display panels 21 is resisted against on these free terminals 2421.Described fixed frame 241 has two relative cross side frames 2410 (one of them cross side frame 2410 shown in Fig. 2) and two relative vertical side frames (not shown).In the present embodiment, close on free terminal 2421 places on each platform 242 of two cross side frames 2410 of glue frame 24 and be equipped with several strip fins 2422, and bore a hole 2231 corresponding with several of this optical diaphragm group 223 two side ends.Each fin 2422 is supported between platform 242 and the light guide plate 222 and is held on the exiting surface 2220 of described light guide plate 222 in order to run through its pairing several perforation 2231 respectively.It should be noted that fin 2422 can not lean on the picture portion 211 of display panels 21 too near, when guaranteeing that human eye is watched with 45 degree visual angles of vertical relatively this display panels 21, can not see through picture portion 211 and see these fins 2422.
Please refer to shown in Figure 4ly, in another embodiment, respectively offer the perforation 2231 ' that several penetrate this optical diaphragm group 223 ' around the described optical diaphragm group 223 '; Only, upward the quantity and the shape of perforation 2231 ' are not in order to limit scope of the present invention to this optical diaphragm group 223 '.Be equipped with several fins 2422 on each platform 242 of two cross side frames 2410 of described glue frame 24 and two vertical side frames, with several perforation 2231 ' all around of corresponding optical diaphragm group 223 '.The size of each 2231 (2231 ') of perforation is slightly larger than the size of its respective ribs 2422, locatees with convenient, and provides suitable expansion space for optical diaphragm group 223 (223 ').
Described fin 2422 is supported in the exiting surface 2220 of light guide plate 222 through the perforation 2231 (2231 ') on the optical diaphragm group 223 (223 ').Has a tie point 2422a between fin 2422 and the platform 242.Form one first strong point 2422b between fin 2422 and the light guide plate 222.In a preferred embodiment, platform 242 removes the holding power that is subjected to from fin 2422, and fagging 232 also is supported on the platform 242, forms the outside of one second strong point, 2420, the second strong point positions at first strong point 2422b between platform 242 and the back up pad 232.Can understand, because platform 242 two ends are supported by the back up pad 232 of fin 2422, backboard 23 and fixed frame 241 respectively, and first strong point 2422a is near the free terminal 2421 of platform 242, so can guarantee the distance between platform 242 and the optical diaphragm group 223 maintains in the ideal range (0.15-0.2 millimeter), can not cause described distance to reduce because of the installation of glass plate 25 and display panels 21, therefore can prevent that optical diaphragm group from wavy (waving) distortion taking place under the condition of high temperature, and prevent that optical diaphragm group from coming off.
Claims (11)
1. the bracing or strutting arrangement of a LCD MODULE, this LCD MODULE has a backlight module of being made up of a light guide plate and an optical diaphragm group, described bracing or strutting arrangement includes: a backboard, it comprises a base plate and several back up pads of extending vertically upward from this base plate all around, and is disposed with described light guide plate and optical diaphragm group on this base plate; An and glue frame, it comprises and is surrounded on the outer fixed frame of this back up pad, and several platforms, extends with the direction that is parallel to this base plate from the side of this fixed frame, and described paralell is located on this optical diaphragm group, and forms at regular intervals between this optical diaphragm group; It is characterized in that: at least one platform is provided with fin, and correspondence offers perforation on the described optical diaphragm group, and described fin all passes the perforation on its corresponding optical diaphragm group and is supported between described platform and this light guide plate.
2. the Cheng device of LCD MODULE as claimed in claim 1, it is characterized in that: the back up pad of this backboard also is supported on the described platform.
3. the Cheng device of LCD MODULE as claimed in claim 2 is characterized in that: the back up pad of this backboard to the strong point of platform described fin to the strong point of platform outside side.
4. the Cheng device of LCD MODULE as claimed in claim 1, it is characterized in that: the size of the perforation on this optical diaphragm group is greater than the size of its corresponding fin.
5. LCD MODULE includes: a LCD MODULE, and it has a picture portion and and is positioned at extension around the picture portion; One backboard, it comprises a base plate and several back up pads, forms a receiving space jointly; One backlight module has a light guide plate and an optical diaphragm group, is arranged in the receiving space of described backboard; And a glue frame, be surrounded on the outside of described backboard, it comprises several platforms, described terrace part extends on this optical diaphragm group, and and this optical diaphragm group between be formed with spacing; It is characterized in that: at least one described platform is provided with fin, and described fin sees through optical diaphragm group and then supports this light guide plate.
6. LCD MODULE as claimed in claim 5 is characterized in that: this glue frame also comprises one of parallel this back up pad setting annular fixed frame, and described platform is the side that extends from this fixed frame.
7. LCD MODULE as claimed in claim 5 is characterized in that: the back up pad of this backboard also is supported on the described platform.
8. LCD MODULE as claimed in claim 7 is characterized in that: the back up pad of this backboard to the strong point of platform in the outside of described fin to the strong point of platform.
9. LCD MODULE as claimed in claim 8 is characterized in that: this each platform has a free terminal, and the fin on the described platform is all near described free terminal, and this display panels has a picture portion, is resisted against described free terminal.
10. LCD MODULE as claimed in claim 5 is characterized in that: this optical diaphragm group further has perforation and penetrates for the fin of described platform.
11. LCD MODULE as claimed in claim 5 further comprises a glass plate, gland is on described platform, and a display panels, and gland is on this glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610119489XA CN101201488A (en) | 2006-12-12 | 2006-12-12 | Liquid crystal display module and supporting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610119489XA CN101201488A (en) | 2006-12-12 | 2006-12-12 | Liquid crystal display module and supporting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101201488A true CN101201488A (en) | 2008-06-18 |
Family
ID=39516735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610119489XA Pending CN101201488A (en) | 2006-12-12 | 2006-12-12 | Liquid crystal display module and supporting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101201488A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893211A (en) * | 2010-07-14 | 2010-11-24 | 深圳市华星光电技术有限公司 | Backlight module and rubber frame unit structure thereof |
| CN102265086A (en) * | 2008-12-25 | 2011-11-30 | 夏普株式会社 | Frame, light source device, display device, and television receiver |
| CN102705761A (en) * | 2012-05-30 | 2012-10-03 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102913821A (en) * | 2012-10-24 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
| WO2013189100A1 (en) * | 2012-06-20 | 2013-12-27 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2014079075A1 (en) * | 2012-11-23 | 2014-05-30 | 深圳市华星光电技术有限公司 | Liquid crystal module and support element thereof |
| CN103902077A (en) * | 2012-12-26 | 2014-07-02 | 宏碁股份有限公司 | Display device |
| US8845177B2 (en) | 2010-07-14 | 2014-09-30 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and housing unit structure thereof |
| CN104698676A (en) * | 2015-04-08 | 2015-06-10 | 深圳市同方光电科技有限公司 | Liquid crystal membrane set and positioning structure of optical membrane set thereof |
| US9176337B2 (en) | 2012-05-30 | 2015-11-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| CN105318285A (en) * | 2014-06-06 | 2016-02-10 | 立宝光电股份有限公司 | Positioning structure of backlight module |
| CN106950751A (en) * | 2016-12-30 | 2017-07-14 | 友达光电股份有限公司 | Display panel |
| CN107806573A (en) * | 2016-09-08 | 2018-03-16 | 美蓓亚三美株式会社 | Planar illuminating device |
| CN110271488A (en) * | 2018-03-15 | 2019-09-24 | 欧姆龙株式会社 | Occupant's monitoring arrangement |
| CN115390316A (en) * | 2022-09-28 | 2022-11-25 | 惠科股份有限公司 | Backlight module and display device |
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2006
- 2006-12-12 CN CNA200610119489XA patent/CN101201488A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8491169B2 (en) | 2008-12-25 | 2013-07-23 | Sharp Kabushiki Kaisha | Frame, light source device, display device, and television receiver |
| CN102265086A (en) * | 2008-12-25 | 2011-11-30 | 夏普株式会社 | Frame, light source device, display device, and television receiver |
| CN101893211B (en) * | 2010-07-14 | 2012-01-11 | 深圳市华星光电技术有限公司 | Backlight module and rubber frame unit structure thereof |
| CN101893211A (en) * | 2010-07-14 | 2010-11-24 | 深圳市华星光电技术有限公司 | Backlight module and rubber frame unit structure thereof |
| US8845177B2 (en) | 2010-07-14 | 2014-09-30 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and housing unit structure thereof |
| CN102705761A (en) * | 2012-05-30 | 2012-10-03 | 深圳市华星光电技术有限公司 | Backlight module |
| US9176337B2 (en) | 2012-05-30 | 2015-11-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| WO2013189100A1 (en) * | 2012-06-20 | 2013-12-27 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102913821A (en) * | 2012-10-24 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
| CN102913821B (en) * | 2012-10-24 | 2015-11-25 | 深圳市华星光电技术有限公司 | A kind of liquid crystal indicator and backlight module thereof |
| WO2014079075A1 (en) * | 2012-11-23 | 2014-05-30 | 深圳市华星光电技术有限公司 | Liquid crystal module and support element thereof |
| CN103902077A (en) * | 2012-12-26 | 2014-07-02 | 宏碁股份有限公司 | Display device |
| CN105318285A (en) * | 2014-06-06 | 2016-02-10 | 立宝光电股份有限公司 | Positioning structure of backlight module |
| CN104698676A (en) * | 2015-04-08 | 2015-06-10 | 深圳市同方光电科技有限公司 | Liquid crystal membrane set and positioning structure of optical membrane set thereof |
| CN107806573A (en) * | 2016-09-08 | 2018-03-16 | 美蓓亚三美株式会社 | Planar illuminating device |
| CN107806573B (en) * | 2016-09-08 | 2020-03-17 | 美蓓亚三美株式会社 | Planar lighting device |
| US10677982B2 (en) | 2016-09-08 | 2020-06-09 | Minebea Mitsumi Inc. | Planar illumination device |
| CN106950751A (en) * | 2016-12-30 | 2017-07-14 | 友达光电股份有限公司 | Display panel |
| CN110271488A (en) * | 2018-03-15 | 2019-09-24 | 欧姆龙株式会社 | Occupant's monitoring arrangement |
| CN115390316A (en) * | 2022-09-28 | 2022-11-25 | 惠科股份有限公司 | Backlight module and display device |
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