CN106842659A - Liquid crystal panel and liquid crystal display - Google Patents
Liquid crystal panel and liquid crystal display Download PDFInfo
- Publication number
- CN106842659A CN106842659A CN201710237540.5A CN201710237540A CN106842659A CN 106842659 A CN106842659 A CN 106842659A CN 201710237540 A CN201710237540 A CN 201710237540A CN 106842659 A CN106842659 A CN 106842659A
- Authority
- CN
- China
- Prior art keywords
- area
- subregion
- liquid crystal
- circuit board
- drive circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
Abstract
The invention discloses a kind of liquid crystal panel, including display screen and drive circuit board, and it is connected to the flexible PCB between the display screen and the drive circuit board；The flexible PCB is provided with driving chip and chip ground area；The earth polar of the driving chip is connected with the chip ground area, and the chip ground area is connected with the display screen and the drive circuit board.The invention also discloses a kind of liquid crystal display with the liquid crystal panel and backlight module.The solution of the present invention can reach good radiating effect with low cost, improve the competitiveness of product in market.
Description
Technical field
The present invention relates to liquid crystal manufacturing technology field, more particularly to a kind of liquid crystal panel and the liquid with the liquid crystal panel
Crystal display.
Background technology
Large scale, high-res, frame frequency high LCD TV it is more and more welcome.With the lifting of these technical indicators,
The electric current of the driving chip carried on liquid crystal panel is increasing, and the temperature rise of driving chip is increasingly severe, and influence product is just
Often work.Therefore, the temperature for how effectively reducing driving chip is problem demanding prompt solution.
The driving chip cooling design of current main flow is to increase fin on driving chip surface.Due to fin cost compared with
Height, this kind of design causes the cost of liquid crystal panel to remain high, and reduces the competitiveness of product in market.
The content of the invention
In view of this, the liquid crystal display the invention provides a kind of liquid crystal panel and with the liquid crystal panel, can
Improving heat radiation efficiency and reduces cost.
A kind of liquid crystal panel, including display screen and drive circuit board, and the display screen is connected to the driving electricity
Flexible PCB between the plate of road；The flexible PCB is provided with driving chip and chip ground area；The driving chip
Earth polar is connected with the chip ground area, and the chip ground area is connected with the display screen and the drive circuit board.
Wherein, the chip ground area includes connecting the first area of the drive circuit board and the display screen, and
Connect the second area in the earth polar of the driving chip；The second area is connected with the first area, and secondth area
The bearing of trend in domain is different from the bearing of trend of the first area.
Wherein, the second area is on the driving chip axial symmetry.
Wherein, the first area includes first subregion and second of the opposite sides for being respectively provided at the driving chip
Subregion, first subregion is with second subregion on the driving chip axial symmetry；First subregion
Opposite end connects the drive circuit board and the display screen respectively, and the opposite end of second subregion is also connected respectively
The drive circuit board and the display screen；The opposite end of the second area respectively with first subregion and described
Two subregions are connected.
Wherein, the second area includes being distributed in multiple subregions on the driving chip periphery, wherein described in each two
Subregion is symmetrically distributed in the opposite sides of the driving chip；In the symmetrical subregion, one of them subregion
Opposite end connects the earth polar of the driving chip and first subregion, the opposite end point of another subregion respectively
The earth polar of the driving chip and second subregion are not connected.
Wherein, the display screen connects access area, the display screen and institute with multiple is equipped with the drive circuit board
State and multiple flexible PCBs being arranged side by side are connected between drive circuit board；Be connected two phases of the flexible PCB
In adjacent two first areas, one end of second subregion of one of them first area, and described in another
One end of first subregion of first area, is connected by the connection access area on the display screen, one of them
The other end of second subregion of the first area, with another described first subregion of first area it is another
One end, is connected by the connection access area on the drive circuit board.
Wherein, the area in the chip ground area is more than area threshold.
Wherein, the drive circuit board is horizontal side drive circuit board, and the driving chip is source driving chip.
A kind of liquid crystal display, including above-mentioned liquid crystal panel and the backlight module with backboard, the chip ground area
It is in contact with the backboard.
The solution of the present invention, is distributed heat by chip ground area.Due to chip ground area and display screen and drive
Dynamic circuit board is connected, and heat can be distributed by display screen and drive circuit board again；In addition, chip ground area is described with metal
Backboard is contacted, and heat can also be distributed by the backboard.Fin is set up because the cost for setting chip ground area is much smaller than
Cost, therefore the solution of the present invention can reach good radiating effect with low cost, improve the competitiveness of product in market.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the accompanying drawing to be used needed for implementation method will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained such as these accompanying drawings.
Fig. 1 is the structural representation of the liquid crystal panel of first embodiment of the invention；
Fig. 2 is the structural representation of the liquid crystal panel of second embodiment of the invention；
Fig. 3 is the structural representation of the liquid crystal panel of third embodiment of the invention；
Fig. 4 is the structural representation of the liquid crystal panel of fourth embodiment of the invention；
Fig. 5 is the structural representation of the liquid crystal panel of fifth embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention provides a kind of liquid crystal display (not shown), including liquid crystal panel and backlight module.It is described
Backlight module has backboard, and the backboard can be made up of metal material.
As shown in figure 1, in the first embodiment of the invention, liquid crystal panel 10 includes display screen 14 and drive circuit board 11,
And it is connected to the flexible PCB 13 between display screen 14 and drive circuit board 11.Flexible PCB 13 is provided with driving chip
15 and chip ground area 12.The earth polar of driving chip 15 is connected with chip ground area 12, chip ground area 12 and display screen 14 and
Drive circuit board 11 is connected.In the assembling liquid crystal display, flexible PCB 13 bends to the backboard so that chip
Access area 12 contacts with the backboard.
Specifically, in the present embodiment, drive circuit board 11 can be level (Horizontal) side drive circuit plate, now
The driving chip 15 carried on flexible PCB 13 is source driving chip；Drive circuit board 11 can also be vertical
(Vertical) side drive circuit plate, the driving chip 15 for now being carried on flexible PCB 13 is grid drive chip.It is flexible
Chip ground area 12 on circuit board 13 is connected with display screen 14 and drive circuit board 11, so that the earth polar of driving chip 15 leads to
Cross chip ground area 12 and access display screen 14 and drive circuit board 11, be grounded.Chip ground area 12 is a complete area
Domain, its distribution is substantially in one direction.The substantially rectangular area of chip ground area 12 in Fig. 1, this is only a kind of signal,
Can essentially as needed design variously-shaped.Driving chip 15 can generate heat when working, the conduction of heat thereon can conduct to
Chip ground area 12, is distributed by chip ground area 12, i.e., chip ground area 12 can play thermolysis；Because chip connects
Area 12 is connected with display screen 14 and drive circuit board 11, and heat can be distributed by display screen 14 and drive circuit board 11 again；
In addition, chip ground area 12 contacts with the backboard of metal, heat can also be distributed by the backboard.Connect due to setting chip
The cost in area 12 is much smaller than the cost for setting up fin, therefore the scheme of the present embodiment can reach good dissipating with low cost
Thermal effect, improves the competitiveness of product in market.
Further, in the present embodiment, the area in chip ground area 12 can be more than area threshold.The area threshold is
According to the threshold value that the actual debugging situation of product sets, the size for weighing chip ground area 12.Make chip ground area 12
Area try one's best greatly (i.e. more than the area threshold), by increasing capacitance it is possible to increase area of dissipation, improving heat radiation efficiency.
As shown in Fig. 2 in second embodiment of the invention, and unlike above-mentioned first embodiment, chip ground area 16
First area 162 including connection drive circuit board 11 and display screen 14, and the secondth area for connecting the earth polar of driving chip 15
Domain 161, second area 161 and/or first area 162 contact with the backboard.Second area 161 is connected with first area 162,
And second area 161 is different from the bearing of trend of first area 162.In the present embodiment, the bearing of trend refers to second area 161
With the substantially trend of first area 162, the direction of the longer sides in definable region is the bearing of trend.For example, second in Fig. 2
The bearing of trend in region 161 is upward and downward, the bearing of trend of first area 162 for left and right to.It is of course also possible to fixed
The direction of the shorter edge in adopted region is the bearing of trend.In addition, second area 161 can be symmetrically dispersed in driving core with right and wrong
The both sides of piece 15.Second area 161 in Fig. 2 and the substantially rectangular region in first area 162 and two the described of region prolong
Stretch direction substantially vertical, this is only a kind of signal, can essentially design section as needed it is variously-shaped and/or described
Bearing of trend.
As shown in figure 3, in third embodiment of the invention, chip ground area 17 includes second area 171 and first area
172.From unlike above-mentioned second embodiment, second area 171 is on the axial symmetry of driving chip 15.What axial symmetry was distributed sets
Meter, can equably distribute the work calories of driving chip 15.In addition, first area 172 can only be distributed in driving chip
15 side.Second area 171 and the substantially rectangular region in first area 172 and two extensions in region in Fig. 3
Direction is substantially vertical, and this is only a kind of signal, the variously-shaped and/or described of design section can essentially prolong as needed
Stretch direction.
As shown in figure 4, in fourth embodiment of the invention, chip ground area 18 includes second area 181 and first area
182.From unlike above-mentioned 3rd embodiment, first area 182 includes being respectively provided at the of the opposite sides of driving chip 15
One subregion 1821 and the second subregion 1822, the first subregion 1821 and the second subregion 1822 are on the axle pair of driving chip 15
Claim.First subregion 1821, the second subregion 1822 and/or first area 182 contact with the backboard.First subregion 1821
Opposite end connect drive circuit board 11 and display screen 14 respectively, the opposite end of the second subregion 1822 also drive respectively by connection
Dynamic circuit board 11 and display screen 14.Also, the opposite end of second area 181 respectively with the first subregion 1821 and the second sub-district
Domain 1822 is connected.Thus, chip ground area 18 forms crisscross radiating grid, significant increase radiating efficiency.
Further, in the present embodiment, second area 181 can include being distributed in the multiple point on the periphery of driving chip 15
Subregion described in area, wherein each two is symmetrically distributed in the opposite sides of driving chip 15.In the symmetrical subregion, wherein
One opposite end of the subregion connects earth polar and first subregion 1821, another described subregion of driving chip 15 respectively
Opposite end connect the earth polar of driving chip 15 and the second subregion 1822 respectively.Thus, the further shape in chip ground area 18
Into the pipe radiating network of staggeredly interconnection, radiating efficiency is further improved.
For example, as shown in figure 4, second area 181 can include subregion 1811~1,814 4 subregion, subregion 1811~
1814 are distributed in the surrounding of driving chip 15.Wherein, subregion 1811 is symmetrically distributed in relative the two of driving chip 15 with subregion 1814
Side, subregion 1812 is symmetrically distributed in the opposite sides of driving chip 15 with subregion 1813.Symmetrical this component area 1811 with
In 1814, the opposite end of subregion 1811 connects earth polar and first subregion 1821 of driving chip 15 respectively, subregion 1814
Opposite end connects earth polar and second subregion 1822 of driving chip 15 respectively.In the present embodiment, the number of subregion can be with
It is more than 4, such as 6,8 etc..The shape of each subregion and position are also not necessarily limited to shown in Fig. 4, and can be basis
It is actually needed determination.
As shown in figure 5, in fifth embodiment of the invention, multiple is connected between display screen 14 and drive circuit board 11 simultaneously
The flexible PCB 13 for setting is arranged, driving chip 15, and chip ground area 18 are equipped with each flexible PCB 13.Fig. 5
In show two flexible PCBs, 13, two driving chips 15 and Liang Ge chip grounds area 18.It should be understood that this is only a kind of
Illustrate, present invention is naturally not limited to this.
In this fifth embodiment, from unlike above-mentioned fourth embodiment, display screen 14 and drive circuit board 11 are equipped with
Multiple connection access area 19.In the two neighboring first area 182 of two neighboring flexible PCB 13, one of first area
One end of 182 the second subregion 1822, one end with the first subregion 1821 of another first area 182, by display
Connection access area 19 on screen 14 is connected；The other end of the second subregion 1822 of one of first area 182, with another
The other end of the first subregion 1821 of first area 182, is connected by the connection access area 19 on drive circuit board 11.Fig. 5
In show that be respectively provided at display screen 14 connects access area 19 with two on drive circuit board 11, it should be appreciated that this is only one
Plant and illustrate, present invention is naturally not limited to this.By setting connection access area 19, adjacent chips access area 18 is connected, made
Multiple chip ground areas 18 constitute a bigger pipe radiating network, further improve radiating efficiency.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, can easily expect various equivalent modifications or
Replace, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention Ying Yiquan
The protection domain that profit is required is defined.
Claims (9)
1. a kind of liquid crystal panel, it is characterised in that
Including display screen and drive circuit board, and it is connected to the flexible circuit between the display screen and the drive circuit board
Plate；The flexible PCB is provided with driving chip and chip ground area；The earth polar of the driving chip and the chip ground
Area is connected, and the chip ground area is connected with the display screen and the drive circuit board.
2. liquid crystal panel according to claim 1, it is characterised in that
The chip ground area includes connecting the first area of the drive circuit board and the display screen, and connects the drive
The second area in the earth polar of dynamic chip；The second area is connected with the first area, and the second area extension side
To different from the bearing of trend of the first area.
3. liquid crystal panel according to claim 2, it is characterised in that
The second area is on the driving chip axial symmetry.
4. the liquid crystal panel according to Claims 2 or 3, it is characterised in that
The first area includes first subregion and the second subregion of the opposite sides for being respectively provided at the driving chip, institute
The first subregion is stated with second subregion on the driving chip axial symmetry；The opposite end of first subregion point
The drive circuit board and the display screen are not connected, and the opposite end of second subregion also connects the driving electricity respectively
Road plate and the display screen；The opposite end of the second area respectively with first subregion and the second subregion phase
Even.
5. liquid crystal panel according to claim 4, it is characterised in that
The second area includes being distributed in multiple subregions on the driving chip periphery, and wherein subregion described in each two symmetrically divides
Opposite sides of the cloth in the driving chip；In the symmetrical subregion, the opposite end point of one of them subregion
The earth polar of the driving chip and first subregion are not connected, and the opposite end of another subregion connects described respectively
The earth polar of driving chip and second subregion.
6. liquid crystal panel according to claim 5, it is characterised in that be all provided with the display screen and the drive circuit board
There are multiple connection access areas, multiple flexible electricals being arranged side by side are connected between the display screen and the drive circuit board
Road plate；It is connected in two two neighboring described first areas of the flexible PCB, the institute of one of them first area
One end of the second subregion is stated, one end with first subregion of first area another described, by the display screen
On the connection access area be connected, the other end of second subregion of one of them first area, with another
The other end of first subregion of the first area, by the connection access area phase on the drive circuit board
Even.
7. the liquid crystal panel according to any one of claim 1-3, it is characterised in that
The area in the chip ground area is more than area threshold.
8. the liquid crystal panel according to any one of claim 1-3, it is characterised in that
The drive circuit board is horizontal side drive circuit board, and the driving chip is source driving chip.
9. the liquid crystal surface any one of a kind of liquid crystal display, including the backlight module with backboard and claim 1-8
Plate, it is characterised in that
The chip ground area is in contact with the backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237540.5A CN106842659A (en) | 2017-04-12 | 2017-04-12 | Liquid crystal panel and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237540.5A CN106842659A (en) | 2017-04-12 | 2017-04-12 | Liquid crystal panel and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106842659A true CN106842659A (en) | 2017-06-13 |
Family
ID=59147820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710237540.5A Pending CN106842659A (en) | 2017-04-12 | 2017-04-12 | Liquid crystal panel and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042335A1 (en) * | 2018-08-29 | 2020-03-05 | 惠科股份有限公司 | Display panel and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001350422A (en) * | 2000-06-08 | 2001-12-21 | Matsushita Electric Ind Co Ltd | Display device for electronic apparatus |
| CN1612679A (en) * | 2003-10-29 | 2005-05-04 | 三星Sdi株式会社 | Display device and heat dissipating means therefor |
| CN1737656A (en) * | 2004-08-19 | 2006-02-22 | 三星电子株式会社 | The flat panel display equipment that comprises conductive compressible body |
| CN1892371A (en) * | 2005-06-29 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device |
| CN101008728A (en) * | 2006-01-26 | 2007-08-01 | Nec液晶技术株式会社 | Liquid crystal display device and method of making the same |
-
2017
- 2017-04-12 CN CN201710237540.5A patent/CN106842659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001350422A (en) * | 2000-06-08 | 2001-12-21 | Matsushita Electric Ind Co Ltd | Display device for electronic apparatus |
| CN1612679A (en) * | 2003-10-29 | 2005-05-04 | 三星Sdi株式会社 | Display device and heat dissipating means therefor |
| CN1737656A (en) * | 2004-08-19 | 2006-02-22 | 三星电子株式会社 | The flat panel display equipment that comprises conductive compressible body |
| CN1892371A (en) * | 2005-06-29 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device |
| CN101008728A (en) * | 2006-01-26 | 2007-08-01 | Nec液晶技术株式会社 | Liquid crystal display device and method of making the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042335A1 (en) * | 2018-08-29 | 2020-03-05 | 惠科股份有限公司 | Display panel and display device |
| US11432441B2 (en) | 2018-08-29 | 2022-08-30 | HKC Corporation Limited | Display panel and display apparatus |
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| PB01 | Publication | ||
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Application publication date: 20170613 |