CN201097039Y - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN201097039Y CN201097039Y CNU2007201719703U2007201719703U CN200720171970U CN201097039Y CN 201097039 Y CN201097039 Y CN 201097039Y CN U2007201719703U2007201719703 U CNU2007201719703U2007201719703 U CN U2007201719703U2007201719703U CN 200720171970 U CN200720171970 U CN 200720171970U CN 201097039 Y CN201097039 Y CN 201097039Y
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal indicator
- metal frame
- frame
- sidewall
- 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.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims description 48
- 239000000853 adhesive Substances 0.000 abstract 3
- 230000001070 adhesive effect Effects 0.000 abstract 3
- 238000009792 diffusion process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model relates to a liquid crystal display device, which comprises a plurality of driving circuits, an adhesive frame and a metal frame, wherein the adhesive frame comprises a side wall, the sidewall is clad at the outer side of the metal frame, the side wall comprises a plurality of through holes connected with the metal frame, and the driving circuits are respectively held in the through holes. The heat generated during the operation of the driving circuits is conducted to the metal frame through the through holes of the adhesive frame, and is eliminated quickly through the metal frame, therefore to reduce the operating temperature of the driving circuits, and further to improve the stability of the driving circuits and the display image quality of the liquid crystal display device.
Description
Technical field
The utility model relates to a kind of liquid crystal indicator.
Background technology
Liquid crystal indicator is widely used in mobile phone, personal digital assistant, personal computer and TV domain because of having characteristics such as volume is little, radiation is low, power consumption is low.
Seeing also Fig. 1, is a kind of perspective exploded view of prior art liquid crystal indicator.This liquid crystal indicator 10 comprise chase 111 on, once chase 112, a liquid crystal panel 12, a plurality of flexible printed wiring board (FlexiblePrinted Circuit Board, FPCB) 13, a plurality of driving circuit 14, a diffusion sheet 15, a light guide plate 16, two light sources 17, a reflector plate 18 and glue frames 19.
These flexible printed wiring board 13 1 ends are electrically connected this liquid crystal panel 12.These a plurality of driving circuits 14 are arranged at this a plurality of flexible printed wiring boards 13 respectively.
This light guide plate 16 comprises two relative incidence surfaces 161, and these two light sources 17 are respectively adjacent to these two incidence surfaces 161 and are provided with.
This glue frame 19 comprises the supporting walls 192 that four sidewalls 191 and extend internally from this four sidewall 191.This supporting walls 192 is used to support this liquid crystal panel 12.This glue frame 19 is provided with a plurality of grooves 193 with these flexible printed wiring board 13 corresponding side walls 191, is used to accommodate this a plurality of driving circuits 14.
See also Fig. 2 and Fig. 3, Fig. 2 is the structural representation after the subelement of liquid crystal indicator 10 shown in Figure 1 is assembled, and Fig. 3 is the phantom view of Fig. 2 along the III-III line.This diffusion sheet 15, this light guide plate 16 and this reflector plate 18 are contained in this time chase 112 from top to down successively.This glue frame 19 is fastened on the outside of this time chase 112, thereby makes four sidewalls 191 of this glue frame 19 be coated on the outside of this time chase 112.This liquid crystal panel 12 is arranged at the supporting walls 192 of this glue frame 19.This flexible printed wiring board 13 makes the driving circuit 14 that is arranged at this flexible printed wiring board 13 be contained in the groove 193 of this glue frame 19 to the bending of this time chase 112 directions.
Along with the size of this liquid crystal indicator 10 constantly increases, these driving circuit 14 required driving voltages constantly raise, and its refreshing frequency also constantly increases.Because this driving circuit 14 is contained in the groove 193 of this glue frame 19, and this glue frame 19 is normally made by not transcalent material, therefore, the heat that produces during these driving circuit 14 work often can't distribute and constantly accumulation as early as possible, in case the working time is long slightly, temperature is too high near will causing this crystal drive circuit 14, thereby these driving circuit 14 temperature are raise.The drift variation takes place in the electrical quantity that makes electronic component because temperature raises, so these driving circuit 14 stability decreases, and then the image quality of these liquid crystal indicator 10 display images of image.
The utility model content
In order to solve the problem of liquid crystal indicator radiating effect difference in the prior art, be necessary the liquid crystal indicator that provides a kind of radiating effect preferable.
A kind of liquid crystal indicator, it comprises a plurality of driving circuits, a glue frame and a metal frame, and this glue frame comprises a sidewall, and this sidewall is coated on this metal frame outside, this sidewall comprises a plurality of through holes that communicate with this metal frame, and these a plurality of driving circuits are contained in this a plurality of through holes respectively.
A kind of liquid crystal indicator, it comprises a plurality of driving circuits, a glue frame and a metal frame, this glue frame comprises a sidewall, this sidewall is coated on this metal frame outside, this sidewall is provided with a plurality of through holes, this metal frame forms a plurality of receiving spaces with these a plurality of through holes, and these a plurality of driving circuits are contained in this a plurality of receiving spaces respectively.
Compared with prior art, the heat that produces during the work of the utility model LCD drive circuits conducts to this metal frame by the through hole of this glue frame, and distribute rapidly by this metal frame, thereby reduce the working temperature of this driving circuit, and then improve the stability of this driving circuit and the demonstration image quality of this liquid crystal indicator.
Description of drawings
Fig. 1 is a kind of perspective exploded view of prior art liquid crystal indicator.
Fig. 2 is the synoptic diagram after liquid crystal indicator shown in Figure 1 is partly assembled.
Fig. 3 is the cut-open view of liquid crystal indicator shown in Figure 2 along the III-III line.
Fig. 4 is the perspective exploded view of the utility model liquid crystal indicator first embodiment.
Fig. 5 is the synoptic diagram after liquid crystal indicator shown in Figure 4 is partly assembled.
Fig. 6 is the cut-open view of liquid crystal indicator shown in Figure 5 along the VI-VI line.
Fig. 7 is the part cut-away view of the utility model liquid crystal indicator second embodiment.
Fig. 8 is the part cut-away view of the utility model liquid crystal indicator the 3rd embodiment.
Embodiment
Seeing also Fig. 4, is the perspective exploded view of the utility model liquid crystal indicator first embodiment.This liquid crystal indicator 20 comprises a upper ledge 211, a lower frame 212, a liquid crystal panel 22, a plurality of flexible printed wiring board 23, a plurality of driving circuit 24, a diffusion sheet 25, a light guide plate 26, two light sources 27, a reflector plate 28 and glue frames 29.This upper ledge 211, this lower frame 212 be metal frame normally, as aluminium frame, chase.
These flexible printed wiring board 23 1 ends connect this liquid crystal panel 22, and the other end connects a printed circuit board (PCB) (figure does not show).These a plurality of driving circuits 24 are arranged at this a plurality of flexible printed wiring boards 23 respectively.
This light guide plate 26 comprises two relative incidence surfaces 261, and these two light sources 27 are respectively to being provided with by two incidence surfaces 261.Each light source 27 includes the light source cover 273 that a fluorescent tube 271 and covers in this fluorescent tube 271.This light source cover 273 is used for the light that this fluorescent tube 271 sends is reflexed to the incidence surface 261 of this light guide plate 26.
This lower frame 212 comprises a base plate 213 and four sidewalls (not indicating), and this four sidewall is respectively perpendicular to this base plate 213 and one-body molded with this base plate 213.This four sidewall and this base plate 213 form a receiving space (not indicating), and this diffusion sheet 25, this light guide plate 26 and this reflector plate 28 are contained in the receiving space of this lower frame 212 from top to down successively.
This glue frame 29 comprises the supporting walls 292 that four sidewalls 291 and extend internally from this four sidewall 291.This supporting walls 292 is used to support this liquid crystal panel 22.This supporting walls 292 is a ring type structure, and it forms a receiving space (not indicating) to accommodate this lower frame 212.This glue frame 29 is provided with a plurality of through holes 293 with these flexible printed wiring board 23 corresponding side walls 291.These a plurality of through holes 293 are respectively to should a plurality of driving circuits 24, to accommodate this a plurality of driving circuits 24 respectively.
The assembling process of this liquid crystal indicator 20 is as follows:
See also Fig. 5 and Fig. 6, Fig. 5 is the synoptic diagram after the liquid crystal indicator 20 subelements assembling shown in Figure 4, and Fig. 6 is the cut-open view of liquid crystal indicator 20 shown in Figure 5 along the VI-VI line.At first, this fluorescent tube 271 and this light source cover 273 are assembled in incidence surface 261 1 sides of this light guide plate 26, this light source cover 273 forms a receiving space to accommodate this fluorescent tube 271 with this incidence surface 261.Secondly, this diffusion sheet 25, this light guide plate 26 and this reflector plate 28 are cascadingly set on this lower frame 212 from top to bottom.Then, this glue frame 29 is fastened on the outside of this lower frame 212, four sidewalls 291 of this glue frame 29 are coated on the outside of this lower frame 212, thus the receiving space that the supporting walls 292 that makes this lower frame 212 be contained in this glue frame 29 forms, and the sidewall of this lower frame 212 closely contacts with the inboard of this glue frame 29.Then, this liquid crystal panel 22 is arranged at the supporting walls 292 of this glue frame 29, this flexible printed wiring board 23 that is connected with this liquid crystal panel 22 makes the driving circuit 24 that is arranged at this flexible printed wiring board 23 be contained in the through hole 293 of this glue frame 29 to the base plate 213 directions bending of this lower frame 212.At last, this upper ledge 211 is arranged at the outside of this glue frame 29, thereby the sidewall 291 of this glue frame 29 and this flexible printed wiring board 23 are seized between the sidewall of the sidewall of this upper ledge 211 and this lower frame 212 (figure does not show) on both sides by the arms.
Compared with prior art, the glue frame 29 of the utility model liquid crystal indicator 20 is provided with a plurality of through holes 293, this driving circuit 24 is contained in the through hole 293 of this glue frame 29, make the sidewall conducting of this driving circuit 24 and this lower frame 212, the heat that produces during these driving circuit 24 work can conduct to the sidewall of this lower frame 212 by the air in this through hole 293.Because the base plate 213 of the sidewall of this lower frame 212 and this lower frame 212 is one-body molded, and this lower frame 212 is the higher metal frames of temperature conductivity, and the heat of these lower frame 212 sidewalls conducts to the base plate 213 of this lower frame 212 rapidly.Usually, base plate 213 areas of this lower frame 212 contact greatly and with external environment, and therefore, the heat that conducts to these lower frame 212 base plates 213 is distributed in the external environment rapidly.When this driving circuit 24 works long hours, the heat that this driving circuit 24 produces is difficult for gathering and in time is distributed to the external world, thereby make its working temperature keep stable, therefore, the electrical quantity of this driving circuit 24 keeps stability, improves the stability of this driving circuit 24 and the demonstration image quality of this liquid crystal indicator 20 of assurance.
In addition, liquid crystal indicator 20 of the present utility model is used as heat abstractor with this lower frame 212, to conduct the heat that produces when this driving circuit 24 is worked.Usually, this lower frame 212 is these liquid crystal indicator 20 indispensable parts, and therefore, this liquid crystal indicator 20 does not need extra heat abstractor, and it is simple in structure.
Seeing also Fig. 7, is the part cut-away view of the utility model liquid crystal indicator second embodiment.This liquid crystal indicator 30 is roughly the same with this liquid crystal indicator 20, and its key distinction is: the sidewall of lower frame 312 (indicating) comprises the boss 313 that the through hole 393 of a plurality of and glue frame 39 is corresponding.When assembling this liquid crystal indicator 30, this glue frame 39 is fastened on the outside of this lower frame 312, thereby makes the sidewall (indicate) of this glue frame 39 be coated on the outside of this lower frame 312, and the sidewall of this lower frame 312 closely contacts with the inboard of this glue frame 39.The boss 313 of these lower frame 312 sidewalls is embedded in this through hole 393 from the inboard of this glue frame 39.Driving circuit 34 is contained in the through hole 393 of this glue frame 39 from the outside of this glue frame 39, and closely contacts with this boss 313.This driving circuit 34 closely contacts with the boss 313 of these lower frame 312 sidewalls, and the heat that produces during these driving circuit 34 work is directly conducted to this lower frame 312, and is dispersed into the external world by this lower frame 312.This driving circuit 34 adopts contact conduction pattern distribute heat, and therefore, the heat conduction of velocity of this driving circuit 34 is accelerated, and further improves the radiating effect of this driving circuit 34.
Seeing also Fig. 8, is the part cut-away view of the utility model liquid crystal indicator the 3rd embodiment.This liquid crystal indicator 40 is roughly the same with this liquid crystal indicator 20, its key distinction is: when assembling this liquid crystal indicator 40, glue frame 49 is fastened on the outside of lower frame 412, thereby the sidewall (not indicating) that makes this glue frame 49 is coated on the outside of this lower frame 412, and the sidewall of this lower frame 412 closely contacts with the inboard of this glue frame 49.In the through hole 493 of this glue frame 49, driving circuit 44 closely contacts with a heat conductive pad 495 1 sides, and these heat conductive pad 495 opposite sides closely contact with the sidewall (not indicating) of this lower frame 412.The heat that produces during these driving circuit 34 work conducts to this lower frame 412 by this heat conductive pad 495, and is dispersed in the external environment by this lower frame 412.Because this heat conductive pad 495 is fast than the heat-transfer rate of air, and this heat conductive pad 495 closely contacts with the sidewall of this driving circuit 44 and this lower frame 412 respectively, therefore, the heat conduction of velocity of this driving circuit 34 is accelerated, and further improves the radiating effect of this driving circuit 34.This heat conductive pad 495 can be soft silica gel heat conductive insulating pad.
The heat that produces during the drive circuit works of display device of the present utility model conducts to this lower frame by the through hole of this glue frame, and this driving circuit also can contact with other transcalent element, and as upper ledge, it is described to be not limited to above-mentioned embodiment.
Claims (10)
1. liquid crystal indicator, it comprises a plurality of driving circuits, a glue frame and a metal frame, this glue frame comprises a sidewall, this sidewall is coated on this metal frame outside, it is characterized in that: this sidewall comprises a plurality of through holes that communicate with this metal frame, and these a plurality of driving circuits are contained in this a plurality of through holes respectively.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this metal frame comprises a plurality of boss, and these a plurality of boss are corresponding one by one with a plurality of through holes of this glue frame sidewall, these a plurality of driving circuits respectively with these a plurality of boss butts.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: this liquid crystal indicator also comprises a plurality of heat conductive pads, and these a plurality of driving circuits closely contact with a side of these a plurality of heat conductive pads respectively, and the opposite side of this heat conductive pad closely contacts with this metal frame.
4. liquid crystal indicator as claimed in claim 1 is characterized in that: this liquid crystal indicator also comprises a plurality of flexible printed wiring boards, and these a plurality of driving circuits are arranged at this a plurality of flexible printed wiring boards respectively.
5. liquid crystal indicator as claimed in claim 4 is characterized in that: liquid crystal indicator also comprises another metal frame, and this glue frame and this flexible printed wiring board are seized on both sides by the arms between these two metal frames.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: this glue frame comprises that also this supporting walls forms a receiving space, to accommodate this metal frame from its inboard supporting walls that extends.
7. liquid crystal indicator as claimed in claim 6 is characterized in that: this liquid crystal display dress comprises that also one is arranged at the light guide plate of this metal frame inside.
8. liquid crystal indicator as claimed in claim 6 is characterized in that: this liquid crystal display dress comprises that also one is arranged at the liquid crystal panel of glue frame supporting walls.
9. liquid crystal indicator, it comprises a plurality of driving circuits, a glue frame and a metal frame, this glue frame comprises a sidewall, this sidewall is coated on this metal frame outside, it is characterized in that: this sidewall is provided with a plurality of through holes, this metal frame forms a plurality of receiving spaces with these a plurality of through holes, and these a plurality of driving circuits are contained in this a plurality of receiving spaces respectively.
10. liquid crystal indicator as claimed in claim 9 is characterized in that: this metal frame comprises a plurality of boss, and these a plurality of boss are corresponding one by one with a plurality of through holes of this glue frame sidewall, and these a plurality of driving circuits contact with these a plurality of boss respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201719703U2007201719703U CN201097039Y (en) | 2007-09-28 | 2007-09-28 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201719703U2007201719703U CN201097039Y (en) | 2007-09-28 | 2007-09-28 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097039Y true CN201097039Y (en) | 2008-08-06 |
Family
ID=39924091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201719703U2007201719703U Expired - Lifetime CN201097039Y (en) | 2007-09-28 | 2007-09-28 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097039Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022897A1 (en) * | 2009-08-27 | 2011-03-03 | 深圳帝光电子有限公司 | Liquid crystal display apparatus with double-layer front cover |
| CN102723315A (en) * | 2012-06-28 | 2012-10-10 | 深圳市华星光电技术有限公司 | Core radiation structure and liquid crystal display device with core radiation structure |
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| WO2017198090A1 (en) * | 2016-05-17 | 2017-11-23 | 京东方科技集团股份有限公司 | Display device |
| CN107613714A (en) * | 2017-09-22 | 2018-01-19 | 合肥通泰光电科技有限公司 | A kind of car coat type radiating display screen rubber frame and its cassette preparation method |
-
2007
- 2007-09-28 CN CNU2007201719703U2007201719703U patent/CN201097039Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022897A1 (en) * | 2009-08-27 | 2011-03-03 | 深圳帝光电子有限公司 | Liquid crystal display apparatus with double-layer front cover |
| CN102723315A (en) * | 2012-06-28 | 2012-10-10 | 深圳市华星光电技术有限公司 | Core radiation structure and liquid crystal display device with core radiation structure |
| WO2014000318A1 (en) * | 2012-06-28 | 2014-01-03 | 深圳市华星光电技术有限公司 | Chip heat-dissipation structure and liquid crystal display device using the chip heat-dissipation structure |
| CN105785616A (en) * | 2016-05-05 | 2016-07-20 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| WO2017190379A1 (en) * | 2016-05-05 | 2017-11-09 | 武汉华星光电技术有限公司 | Liquid crystal display apparatus |
| WO2017198090A1 (en) * | 2016-05-17 | 2017-11-23 | 京东方科技集团股份有限公司 | Display device |
| US10274772B2 (en) | 2016-05-17 | 2019-04-30 | Boe Technology Group Co., Ltd. | Display device |
| CN107613714A (en) * | 2017-09-22 | 2018-01-19 | 合肥通泰光电科技有限公司 | A kind of car coat type radiating display screen rubber frame and its cassette preparation method |
| CN107613714B (en) * | 2017-09-22 | 2023-04-11 | 合肥通泰光电科技有限公司 | Clamped heat dissipation display screen rubber frame and clamping manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080806 |