CN102073160A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN102073160A CN102073160A CN 200910310333 CN200910310333A CN102073160A CN 102073160 A CN102073160 A CN 102073160A CN 200910310333 CN200910310333 CN 200910310333 CN 200910310333 A CN200910310333 A CN 200910310333A CN 102073160 A CN102073160 A CN 102073160A
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- Prior art keywords
- liquid crystal
- chip
- crystal indicator
- driving
- flexible printed
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention discloses a liquid crystal display device, which comprises a liquid crystal panel and a flexible printed wiring board electrically connected with the liquid crystal panel; a drive chip is arranged on the liquid crystal panel, and is covered by the flexible printed wiring board. A metal conducting layer on the flexible printed wiring board of the liquid crystal display device is served as a metal radome of the drive chip, which effectively prevents external static electricity flowing through the drive chip, simultaneously effectively solves the technical problems that the dirve chip can not work or be damaged caused by the electromagnetic interference generated by the drive chip itself.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator.
Background technology
In recent years, liquid crystal indicator has occupied the main flow that shows product gradually because of possessing frivolous, little, the advantage such as radiation is little that takes up room of volume.In liquid crystal indicator, liquid crystal panel itself is not luminous, but provides luminous uniform in-plane light by module backlight for it.
Liquid crystal panel comprises upper and lower two sheet glass substrates and is clipped in the liquid crystal layer of two sheet glass substrates.The infrabasal plate of this glass substrate comprises a chip for driving (Driver IC), is used to drive the luminous flux that liquid crystal panel control is supplied with by module backlight, and then the abundant image of display color.This chip for driving is fixed on this liquid crystal panel by COG (Chip On Glass) technology, and a black photo-shield strip is attached at and prevents on this chip for driving that ambient light from shining this chip for driving back reflection and causing the bright dipping of liquid crystal panel inhomogeneous.
Yet the speed of the transmission signals of this chip for driving is very fast, and the direction in vertical this liquid crystal panel under high frequency is easy to generate the electromagnetic interference (EMI) phenomenon, and then causes the chip for driving cisco unity malfunction.Simultaneously, this chip for driving is also than the influence that is easier to be subjected to static and cisco unity malfunction.
Summary of the invention
For the chip for driving that solves the prior art liquid crystal indicator is vulnerable to electrostatic interference, itself also produce electromagnetic interference (EMI) and cause flimsy technical matters, be necessary to provide a kind of well behaved liquid crystal indicator.
A kind of liquid crystal indicator, it comprises a liquid crystal panel and a flexible printed wiring board that is electrically connected with this liquid crystal panel, and a chip for driving is set on the liquid crystal panel, this flexible printed wiring board covers this chip for driving.
A kind of liquid crystal indicator, it comprises a liquid crystal panel and a circuit board, and chip for driving is set on the liquid crystal panel, on this circuit board metal conducting layer is set, this circuit board covers this chip for driving.
Compared with prior art, metal conducting layer in this liquid crystal indicator on the flexible printed wiring board serves as the metallic shield of chip for driving, effectively prevent exterior static this chip for driving of flowing through, effectively solved simultaneously because the chip for driving cisco unity malfunction that the electromagnetic interference (EMI) phenomenon of chip for driving generation itself causes or the technical matters of damage.
Description of drawings
Fig. 1 is the three-dimensional exploded view of liquid crystal indicator first embodiment of the present invention.
Fig. 2 is that liquid crystal indicator shown in Figure 1 is partly assembled synoptic diagram.
Fig. 3 is the schematic perspective view of the chip for driving of liquid crystal indicator flexible printed wiring board edges cover liquid crystal panel shown in Figure 2.
Fig. 4 is along the schematic cross-section at IV-IV place among Fig. 3.
Fig. 5 is the three-dimensional exploded view of liquid crystal indicator second embodiment of the present invention.
Fig. 6 is the schematic perspective view of the chip for driving of liquid crystal indicator flexible printed wiring board part covering liquid crystal panel shown in Figure 5.
The main element symbol description
Liquid crystal indicator 100,700
Flexible printed wiring board 2,3
Module 4 backlight
Chip for driving 10,101
Extension 130,137
Following polaroid 14
Sidewall 433,730
Groove 430
Exiting surface 441
Embodiment
See also Fig. 1 to Fig. 4, Fig. 1 is the three-dimensional exploded view of liquid crystal indicator first embodiment of the present invention, Fig. 2 is that liquid crystal indicator shown in Figure 1 is partly assembled synoptic diagram, Fig. 3 is the schematic perspective view of the chip for driving of this liquid crystal indicator flexible printed wiring board edges cover liquid crystal panel shown in Figure 2, and Fig. 4 is along the schematic cross-section at IV-IV place among Fig. 3.
The flexible printed wiring board that liquid crystal indicator 100 comprises liquid crystal panel 1, be electrically connected with liquid crystal panel 1 (Flexible Printed Circuit, FPC) 2 and module backlight 4.This module 4 backlight provides uniform in-plane light with this liquid crystal panel 1 stacked this liquid crystal panel 1 that is set to.The edge that flexible printed wiring board one end is fixed in liquid crystal panel 1, and the edge of bending covering liquid crystal panel 1.
This liquid crystal panel 1 comprises the last polaroid 11, top glass substrate 12, lower glass substrate 13 of stacked setting, polaroid 14 and be clipped in liquid crystal layer (figure does not show) between this upper and lower glass substrate 12,13 down.The length of this lower glass substrate 13 is greater than this top glass substrate 12, to form an extension 130 growing part.On the face of this top glass substrate 12 of the vicinity of this extension 130 chip for driving 10 is set.Preferably, chip for driving 10 is positioned at the centre position of extension 130.This chip for driving 10 is fixed and is electrically connected this liquid crystal panel 1, is used to drive this liquid crystal panel 1 and then controls the luminous flux of being supplied with by this module 4 backlight.This extension 130 comprise first end adjacent with this top glass substrate 12 and with this first end second opposed end.This first end can be regarded the separatrix of these lower glass substrate 13 these extensions 130 in fact as, and second end is the outermost edges that this lower glass substrate 13 is longer than this top glass substrate 12.
This flexible printed wiring board 2 comprises at least two insulation courses (figure does not show) and the metal conducting layer between two insulation courses (figure does not show).Metal conducting layer inside comprises many circuits, is used for the transmission of signal.This flexible printed wiring board 2 comprises a kink (not indicating) and a metal pins portion (not indicating).This kink covers this chip for driving 10, and this metal pins portion extends the external circuit board and carries out the signal transmission.Specifically this flexible printed wiring board 2 comprises long limit a, two relatively and with adjacent side b, the d of this long limit a, one with grow the relative long limit c of limit a.In the present embodiment, the length of side d is less than the length of side b; Long limit c is the broken line structure, and it comprises two first, second minor face c1, c2 and the vertical three minor face c3s that connect this first, second minor face c1, c2 parallel with long limit a.The first minor face c1 links to each other with side d, and the 3rd minor face c3 links to each other with side b, and the length of the second minor face c2 substantially edge length with second end of the extension 130 of this liquid crystal panel 1 is identical.In other embodiments, can design the shape of flexible printed wiring board 2 as the case may be, and attach on it.This flexible printed wiring board 2 is drawn exposed metal pins by this d end, is used for carrying out the signal transmission with the external circuit board.This flexible printed wiring board 2 is provided with electronic component 21, and electric capacity for example is used to receive from the signal of external circuit and with signal and passes to this liquid crystal panel 1.
This module 4 backlight comprises optical diaphragm group 41, light source 42, glue frame 43, light guide plate 44 and reflector plate 45.This glue frame 43 comprises four sidewalls that join end to end and connect, one sidewall 433 comprises a groove 430, the adjacent edge on the limit that the extension 130 and the flexible printed wiring board 2 of this groove 430 and this liquid crystal panel 1 attaches mutually is corresponding, and promptly this groove 430 can make the d end that makes this flexible printed wiring board 2 after the assembling draw the metal pins that order exposes to be electrically connected with external circuit.These groove 430 width are slightly wide or be equal to the side d of flexible printed wiring board 2.This light guide plate 44 comprise exiting surface 441, the incidence surface 442 adjacent with this exiting surface 441 and with exiting surface 441 opposed bottom surface 443.
During assembling, glue frame 43 is accommodated this optical diaphragm group 41, this strip source 42, this light guide plate 44, this reflector plate 45 and this liquid crystal panel 1.The adjacent setting of incidence surface 442 1 sides of this strip source 42 and this light guide plate 44, the bottom surface 443 of these reflector plate 45 contiguous these light guide plate 44 is provided with, and the exiting surface 441 of these optical diaphragm group 41 contiguous these light guide plate 44 is provided with, and then finishes the assembling of this module 4 backlight.This liquid crystal panel 1 contiguous this optical diaphragm group 41 is provided with, and the edge of this lower glass substrate 13 of the side wall support of this glue frame 43 is used for fixing this liquid crystal panel 1 on this glue frame 43.These flexible printed wiring board 2 bendings, its a holds the edge of the top glass substrate 12 of first end that is attached at contiguous this extension 130, and then cover this chip for driving 10, the 3rd minor face c3 of this flexible printed wiring board 2 is in bending state, and extend via the groove 430 of this sidewall 433 in the zone that side d, the first minor face c1 and long limit a are surrounded, and this d end is drawn exposed metal pins and carried out signal with the external circuit board and transmit.This electronic component 21 is avoided with this chip for driving 10, is independent of each other.
Compared to prior art, flexible printed wiring board 2 bendings of the present invention cover this chip for driving 10.Because this flexible printed wiring board 2 is provided with metal conducting layer, the metallic shield that can serve as this chip for driving 10, effectively solved chip for driving 10 cisco unity malfunctions or the damage that cause owing to the chip for driving 10 electromagnetic interference (EMI) phenomenons that produce own, the surface insulation layer of this flexible printed wiring board 2 can effectively stop the infringement of exterior static to this chip for driving 10 simultaneously.
See also Fig. 5 and Fig. 6, Fig. 5 is the three-dimensional exploded view of liquid crystal indicator second embodiment of the present invention, and Fig. 6 is the schematic perspective view of the chip for driving of liquid crystal indicator flexible printed wiring board part covering liquid crystal panel shown in Figure 5.The difference of the liquid crystal indicator 700 of present embodiment and the liquid crystal indicator 100 of first embodiment is: flexible printed wiring board 3 is L-shaped substantially, and it comprises e, f, g, h, i, the j limit that connects in regular turn.E limit and i limit parallel relative, the f limit is parallel with the h limit relatively, j limit and g limit are these L shaped two ends.The f limit is identical with the second end length of liquid crystal panel 1 extension 137, and attaches on it.I limit and h limit are provided with sheared edge k, can make this h spring folding.The part on this e, j, i, k, f limit constitutes a metal pins portion (not indicating), the part on this k, h, g, f limit constitutes a kink (not indicating), the sidewall 733 of glue frame 73 comprises a sidewall 730, and this sidewall 730 can make this metal pins portion extend and make this j end draw exposed metal pins and carry out signal with the external circuit board and transmit.This h limit makes this kink cover this chip for driving 101 to first end bending of this extension 137.
The present invention more has other embodiments, is attached at the edge of polaroid 11 contiguous extension 130 first ends on this and then wraps up this chip for driving 10 as flexible printed wiring board bending back its second minor face c2.For another example, the independent metal conductive film of liquid crystal indicator utilization covers this chip for driving.
Claims (10)
1. liquid crystal indicator, it comprises a liquid crystal panel and a flexible printed wiring board that is electrically connected with this liquid crystal panel, and a chip for driving is set on the liquid crystal panel, it is characterized in that: this flexible printed wiring board covers this chip for driving.
2. liquid crystal indicator as claimed in claim 1, it is characterized in that: this liquid crystal panel comprises and stackedly first, second substrate is set and is sandwiched in liquid crystal layer between first, second substrate, second substrate forms an extension, and this chip for driving is arranged on the face of vicinity second substrate of this extension.
3. liquid crystal indicator as claimed in claim 2, it is characterized in that: this extension comprises that the first adjacent end of one and second substrate reaches and this first end second opposed end, this flexible printed wiring board is electrically connected second end of this extension on one side, another relative edge is arranged at the edge of this extension first end, to cover this chip for driving.
4. liquid crystal indicator as claimed in claim 1, it is characterized in that: this flexible printed wiring board comprises a kink and a metal pins portion that is connected with this kink, this kink covers this chip for driving in the bending back, and this metal pins end is used to be electrically connected to external printed circuit board to carry out the signal transmission.
5. liquid crystal indicator as claimed in claim 4 is characterized in that: this kink and a metal pins portion form a L shaped structure.
6. liquid crystal indicator as claimed in claim 4 is characterized in that: have a sheared edge between this kink and the metal pins portion, so that this kink bending.
7. liquid crystal indicator as claimed in claim 4, it is characterized in that: this liquid crystal indicator comprises that further a module backlight provides planar light for it, this module backlight comprises a framework, this framework comprises four sidewalls, the one sidewall comprises a groove, is used for the drawing of metal pins portion of this flexible printed wiring board.
8. liquid crystal indicator as claimed in claim 1 is characterized in that: this flexible printed wiring board comprises at least two insulation courses and the metal conducting layer between two insulation courses.
9. liquid crystal indicator as claimed in claim 8 is characterized in that: this multiple layer metal conductive layer inside comprises many circuits, is used for the transmission of signal.
10. liquid crystal indicator, it comprises a liquid crystal panel and a circuit board, and chip for driving is set on the liquid crystal panel, on this circuit board metal conducting layer is set, and it is characterized in that: this circuit board covers this chip for driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910310333 CN102073160B (en) | 2009-11-24 | 2009-11-24 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910310333 CN102073160B (en) | 2009-11-24 | 2009-11-24 | Liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102073160A true CN102073160A (en) | 2011-05-25 |
| CN102073160B CN102073160B (en) | 2013-04-17 |
Family
ID=44031764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910310333 Active CN102073160B (en) | 2009-11-24 | 2009-11-24 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102073160B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620195A (en) * | 2012-03-13 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN103489369A (en) * | 2013-06-14 | 2014-01-01 | 友达光电股份有限公司 | Display module |
| WO2014094562A1 (en) * | 2012-12-17 | 2014-06-26 | 广东威创视讯科技股份有限公司 | Light-emitting diode (led) display module |
| CN104238154A (en) * | 2013-06-12 | 2014-12-24 | 三菱电机株式会社 | Liquid crystal display apparatus and manufacturing method of the liquid crystal display apparatus |
| CN112394577A (en) * | 2020-12-02 | 2021-02-23 | 上海摩软通讯技术有限公司 | Display module and display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724039Y (en) * | 2004-09-02 | 2005-09-07 | 胜华科技股份有限公司 | Liquid crystal display module |
| KR101272256B1 (en) * | 2006-03-20 | 2013-06-13 | 삼성디스플레이 주식회사 | Container Member, Manufacturing Method of Container Member and Flat Panel Display Using the Same |
| JP4809783B2 (en) * | 2007-01-26 | 2011-11-09 | 株式会社 日立ディスプレイズ | Display module with touch panel |
| JP2008300803A (en) * | 2007-06-04 | 2008-12-11 | Toshiba Corp | Flexible board and electronic apparatus |
-
2009
- 2009-11-24 CN CN 200910310333 patent/CN102073160B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620195A (en) * | 2012-03-13 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2014094562A1 (en) * | 2012-12-17 | 2014-06-26 | 广东威创视讯科技股份有限公司 | Light-emitting diode (led) display module |
| CN104238154A (en) * | 2013-06-12 | 2014-12-24 | 三菱电机株式会社 | Liquid crystal display apparatus and manufacturing method of the liquid crystal display apparatus |
| CN104238154B (en) * | 2013-06-12 | 2017-05-31 | 三菱电机株式会社 | The manufacture method of liquid crystal display device and liquid crystal display device |
| CN103489369A (en) * | 2013-06-14 | 2014-01-01 | 友达光电股份有限公司 | Display module |
| CN112394577A (en) * | 2020-12-02 | 2021-02-23 | 上海摩软通讯技术有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102073160B (en) | 2013-04-17 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: QIMEI ELECTRONIC CO LTD Free format text: FORMER OWNER: INNOLUX DISPLAY CO., LTD. Effective date: 20120320 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120320 Address after: 4, 1 floor, E zone, Foxconn science and Technology Industrial Park, Longhua Town, Baoan District, Guangdong, Shenzhen 518109, China Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant after: Chimei Optoelectronics Co., Ltd. Address before: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 1, floor 4, Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. Co-applicant before: Innolux Display Group |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |