CN105954899B - Liquid crystal display panel and liquid crystal display - Google Patents
Liquid crystal display panel and liquid crystal display Download PDFInfo
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- CN105954899B CN105954899B CN201610534949.9A CN201610534949A CN105954899B CN 105954899 B CN105954899 B CN 105954899B CN 201610534949 A CN201610534949 A CN 201610534949A CN 105954899 B CN105954899 B CN 105954899B
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- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of liquid crystal display panel and liquid crystal displays, when liquid crystal display panel is tested, test signal inputs the respective input mouth in driving chip area by testing weld pad and is exported by the corresponding output port in driving chip area to signal wire, to be tested；When liquid crystal display panel carries out drive control, driving signal inputs the respective input mouth in driving chip area by flexible printed circuit board pad and is exported by the corresponding output port in driving chip area to signal wire, to be driven.For the present invention under the premise of guaranteeing that liquid crystal display works normally, liquid crystal cell test cabling thread-changing is less or thread-changing is not present, and reduces the harm that ESD wound liquid crystal cell test cabling, FPC cabling, and occupy the less region WOA.
Description
Technical field
The present invention relates to technical field of liquid crystal display, test cabling more particularly, to a kind of liquid crystal cell with ESD protection
The liquid crystal display panel and liquid crystal display of design.
Background technique
Liquid crystal display (Liquid Crystal Display, abbreviation LCD) have that external form is light, thin, power consumption is few and
The characteristics such as radiationless pollution, therefore it is widely used in mobile phone, personal digital assistant (PDA), digital camera, notebook
On the various portable electronic devices such as computer, or even has the trend for the CRT monitor for gradually replacing traditional desktop PC.
Display is frequently encountered static discharge (Electro-Static discharge, abbreviation ESD) environment of high voltage (as sealed
Screen etc. is touched under dress, transport, dry environment), damage of the static discharge to electronic component is very big.Product does not have antistatic design
When, LCD display can be abnormal, and the pattern and cabling that should not be shown can all be shown；It is short, it can restore within tens seconds normally to show, it is long
It then needs a few minutes or even dozens of minutes that can just restore, even can burn LCD interior cabling under serious conditions, destroy the normal of LCD
Display.
With reference to Fig. 1, liquid crystal display panel composition schematic diagram.The composition of liquid crystal display panel includes: array test (Array
Test) area 11, pixel display area 12, GOA (Gate On Array, the row scanning being integrated in array substrate), are fanned out to area 13
(Fanout) area 14, multiplexing area selector (Demux) 15, WOA (Wire On Array, array are routed outside) area 16, IC
(Driver Integrated Circuit, integrated circuit driving chip) area 17, FPC (Flexible Printed Circuit
Board, flexible printed circuit board) area 18 and liquid crystal cell test the area 19 (Cell Test).Wherein, array test area 11 is used for
After the completion of array (Array) substrate, the electrical property of array substrate is tested；Pixel display area 12 is for the aobvious of pixel
Show；The area GOA 12 is used to generate the gate drive signal of thin film transistor (TFT) in face (TFT)；Fanout area 13 is used for the area IC 17 and pixel
The cabling of 12 data line of viewing area (Dataline) connects；It multiplexes selector area 15 and is used for the number that 17 side of the area Jiang Cong IC is drawn
It is split according to line, for the driving of multiple data lines；Connection of the area WOA 16 for cabling around panel；The area IC 17 is for IC's
It binds (Bonding), passes through circuit and TFT in IC drive surface；The area FPC 18 is used for the binding of FPC, is set by FPC connection electronics
Standby mainboard；After liquid crystal cell test section 19 is used for product at box (Cell), pass through liquid crystal cell testing weld pad (Cell Test pad)
Conveying signal tests Display panel effect, and process management is before IC binding.
With reference to Fig. 2, the liquid crystal cell of existing small size panel tests cabling design diagram.Liquid crystal cell is tested for tying up in IC
Before fixed, from liquid crystal cell testing weld pad input signal to the cabling in the area WOA among, be then connected to the area GOA via the area WOA cabling
With driving panel.As seen from Figure 2, in liquid crystal display panel design, signal wire required for panel driving also will be from
The port IC Pad in the area IC is drawn, and is corresponded to each other with the signal wire of liquid crystal cell test section, in order to pass through IC after IC binding
The port Pad carries out the input of driving signal, then the driving signal that the area IC generates carries out again by being exported after fanout area
The driving of display panel.But there are liquid crystal cell test cablings and FPC to walk for the design of liquid crystal cell test section shown in Fig. 2 cabling
There is the problem of more thread-changing ((changing different layers cabling)) between line.And the thread-changing between liquid crystal cell test section cabling and FPC cabling needs
It is connected by via hole and realizes wire jumper, cause herein that resistance value can be bigger.When meeting with ESD, 21 have larger current at thread-changing
By will appear when serious and wound route, or even cause the harm of open circuit, this not only results in the failure of liquid crystal cell test, also
The failure that will cause FPC cabling in turn results in panel driving failure, influences panel normal work.
Therefore, it is necessary to improve to the test cabling design of existing liquid crystal cell, walked with solving existing liquid crystal cell test
There is the problem of more thread-changing between line and FPC cabling.
Summary of the invention
The object of the present invention is to provide a kind of liquid crystal display panel and liquid crystal displays, to existing liquid crystal cell
Test cabling design is improved, and is solved have more thread-changing between existing liquid crystal cell test cabling and FPC cabling, is met with ESD
When will cause liquid crystal cell test failure, also will cause the failure of FPC cabling, in turn result in panel driving failure, influence panel
The problem of normal work.
To achieve the above object, the present invention provides a kind of liquid crystal display panels, comprising: driving chip area, for driving
The binding of chip, and pass through the output port output drive signal in the driving chip area after driving chip binding to carry out
The drive control of liquid crystal display panel；Flexible printed circuit board area, for the binding of flexible printed circuit board, the flexible printing
The flexible printed circuit board pad of circuit board area is electrically connected to the respective input mouth in the driving chip area and passes through driving
The inside cabling of chip is electrically connected to the corresponding output port in the driving chip area；Liquid crystal cell test section, for passing through
The testing weld pad conveying test signal for stating liquid crystal cell test section tests liquid crystal display panel, and the testing weld pad electrically connects
It is connected to the respective input mouth in the driving chip area and the driving core is electrically connected to by the inside cabling of driving chip
The corresponding output port of section；When liquid crystal display panel is tested, the test signal is inputted by the testing weld pad
The respective input mouth in the driving chip area is simultaneously exported by the corresponding output port in the driving chip area to signal wire, with
It is tested；When liquid crystal display panel carries out drive control, the driving signal passes through the flexible printed circuit board pad
It inputs the respective input mouth in the driving chip area and is exported by the corresponding output port in the driving chip area to described
Signal wire, to be driven.
To achieve the above object, the present invention also provides a kind of liquid crystal displays, including liquid crystal display of the present invention
Panel.
It is an advantage of the current invention that liquid crystal cell tests cabling thread-changing under the premise of guaranteeing that liquid crystal display works normally
It is less or thread-changing is not present, the harm that ESD wound liquid crystal cell test cabling, FPC cabling is reduced, and occupy the less area WOA
Domain.
Detailed description of the invention
Fig. 1, liquid crystal display panel composition schematic diagram；
The liquid crystal cell of Fig. 2, existing small size panel test cabling design diagram；
Fig. 3, liquid crystal cell shown in liquid crystal display panel first embodiment of the present invention test cabling design diagram；
Fig. 4, liquid crystal cell shown in liquid crystal display panel second embodiment of the present invention test cabling design diagram；
Fig. 5, liquid crystal cell shown in liquid crystal display panel 3rd embodiment of the present invention test cabling design diagram；
Fig. 6, liquid crystal cell shown in liquid crystal display panel fourth embodiment of the present invention test cabling design diagram；
Fig. 7, liquid crystal cell shown in the 5th embodiment of liquid crystal display panel of the present invention test cabling design diagram.
Specific embodiment
The liquid crystal cell test cabling design with ESD protection that the invention proposes a kind of, is guaranteeing that liquid crystal display is normal
Under the premise of work, the number of thread-changing (changing different layers cabling) in liquid crystal cell test cabling and FPC cabling is reduced, reduces ESD pairs
The harm that liquid crystal cell test cabling, FPC cabling be wound.A kind of liquid crystal display panel of the present invention includes: driving chip area,
Believed for the binding of driving chip, and after driving chip binding by the output port output driving in the driving chip area
Number to carry out the drive control of liquid crystal display panel；Flexible printed circuit board area, it is described for the binding of flexible printed circuit board
The flexible printed circuit board pad in flexible printed circuit board area is electrically connected to the respective input mouth in the driving chip area simultaneously
The corresponding output port in the driving chip area is electrically connected to by the inside cabling of driving chip；Liquid crystal cell test section is used
Liquid crystal display panel is tested in the testing weld pad conveying test signal by the liquid crystal cell test section, the test weldering
Disk is electrically connected to the respective input mouth in the driving chip area and is electrically connected to institute by the inside cabling of driving chip
State the corresponding output port in driving chip area；When liquid crystal display panel is tested, the test signal passes through the test
Pad input the respective input mouth in the driving chip area and by the corresponding output port in the driving chip area export to
Signal wire, to be tested；When liquid crystal display panel carries out drive control, the driving signal passes through the flexible printing electricity
Road plate pad inputs the respective input mouth in the driving chip area and defeated by the corresponding output port in the driving chip area
Out to the signal wire, to be driven.Namely: in liquid crystal cell test section, flexible printed circuit board area and driving chip area,
Liquid crystal cell test signal is connected to corresponding driving by the inside cabling of driving chip by liquid crystal cell testing weld pad input signal
On chip bonding pad (IC Pad) pin；The number for reducing thread-changing, to reduce harm of the ESD to cabling.Liquid crystal cell is tested in this way
Work can be completed jointly by the circuit unit of original liquid crystal cell test section and the IC Pad unit in driving chip area, will not
Liquid crystal display panel is influenced to work normally.After driving chip binds (IC Bonding), IC Pad unit is used to be driven
The transmission of dynamic signal；Then the driving signal that IC is generated carries out liquid crystal display panel by being exported after fanout area again
Driving.
It elaborates with reference to the accompanying drawing to liquid crystal display panel provided by the invention and liquid crystal display.
With reference to Fig. 3, the test cabling design of liquid crystal cell shown in liquid crystal display panel first embodiment of the present invention is shown
It is intended to.The testing weld pad of the liquid crystal cell test section 31 includes at least one first sub- testing weld pad 311 and one second son test
Pad 312；First sub- testing weld pad 311 is electrically connected to the first input port 331 in driving chip area 33, the second son test weldering
Disk 312 is electrically connected to second input port 332 in driving chip area 33.The flexible print in the flexible printed circuit board area 32
Printed circuit board pad includes at least one first sub- flexible printed circuit board pad 321 and one second sub- flexible printed circuit board pad
322；First sub- flexible printed circuit board pad 321 is electrically connected to the third input port 333 in driving chip area 33, the second son
Flexible printed circuit board pad 322 is electrically connected to the 4th input port 334 in driving chip area 33.The of driving chip area 33
One input port 331 is electrically connected to driving chip area 33 by the inside cabling of driving chip with third input port 332
The first output port 335, the first output port 335 is electrically connected to the first subsignal line 341 in signal wire；Driving chip
Second input port 332 in area 33 and the 4th input port 334 are electrically connected to driving by the inside cabling of driving chip
The second output terminal mouth 336 of chip region 33, second output terminal mouth 336 are electrically connected to the second subsignal line 342 in signal wire.
When liquid crystal display panel is tested, the one first test signal tested in signal passes through the first sub- testing weld pad
311 input first input ports 331 simultaneously export the first subsignal line 341 into signal wire by the first output port 335；It surveys
One second test signal in trial signal is by the second sub- the second input port 332 of input of testing weld pad 312 and defeated by second
Exit port 336 exports the second subsignal line 342 into signal wire.When liquid crystal display panel carries out drive control, driving letter
One first driving signal in number inputs third input port 333 by the first sub- flexible printed circuit board pad 321 and passes through
First output port 335 exports the first subsignal line 341 into signal wire；One second driving signal in driving signal passes through
Second sub- flexible printed circuit board pad 322 inputs the 4th input port 334 and by the output of second output terminal mouth 336 to signal
The second subsignal line 342 in line.
By testing weld pad input signal being entered inside driving chip, driving chip is passed through in liquid crystal cell test section
Inside cabling by liquid crystal cell test signal be connected on corresponding IC Pad pin.Liquid crystal cell test job can pass through in this way
The circuit unit of original liquid crystal cell test section and the IC Pad unit (input/output end port) in driving chip area are completed jointly,
It will not influence liquid crystal display panel normal work.After driving chip binding, IC Pad unit is used to carry out driving signal
Transmission；Then the driving signal that IC is generated carries out the driving of liquid crystal display panel by being exported after fanout area again.At this
In the path of bars transmission, liquid crystal cell test cabling thread-changing is less, and occupies the less region WOA.
In the present embodiment, the first test signal is constant pressure high level signal VGH, and the second test signal is constant pressure low level
Signal VGL；First driving signal is constant pressure high level signal VGH, and the second driving signal is constant pressure low level signal VGL.
With reference to Fig. 4, the test cabling design of liquid crystal cell shown in liquid crystal display panel second embodiment of the present invention is shown
It is intended to.With first embodiment shown in Fig. 3 the difference is that, in the present embodiment, the first input end in driving chip area 33
Mouth 331 is electrically connected to first output port 335 in driving chip area 33 by the inside cabling of driving chip；Driving chip area
33 the second input port 332 is electrically connected to the second output terminal mouth in driving chip area 33 by the inside cabling of driving chip
336；The third input port 332 in driving chip area 33 is electrically connected to driving chip area 33 by the inside cabling of driving chip
Third output port 431；4th input port 334 in driving chip area 33 is electrically connected by the inside cabling of driving chip
To the 4th output port 432 in driving chip area 33；First output port 335 is electrically connected to third output port 431
The first subsignal line 341 in signal wire, second output terminal mouth 336 and the 4th output port 432 are electrically connected to signal wire
In the second subsignal line 342.
In order to reduce the distance of face interior cabling, the sub- flexible printed circuit board pad of the first of flexible printed circuit board area 32
321 are arranged in the position of the third input port 333 corresponding to driving chip area 33；Second son in flexible printed circuit board area 32
The position of the 4th input port 334 corresponding to driving chip area 33 is arranged in flexible printed circuit board pad 322.That is, such as Fig. 4
Shown, flexible printed circuit board area 32 has reserved two pads before the first sub- flexible printed circuit board pad 321, so that first
Sub- flexible printed circuit board pad 321, the second sub- setting position of flexible printed circuit board pad 322 and third input port 333,
The position of 4th input port 334 is corresponding.
When liquid crystal display panel is tested, the one first test signal tested in signal passes through the first sub- testing weld pad
311 input first input ports 331 simultaneously export the first subsignal line 341 into signal wire by the first output port 335；It surveys
One second test signal in trial signal is by the second sub- the second input port 332 of input of testing weld pad 312 and defeated by second
Exit port 336 exports the second subsignal line 342 into signal wire.When liquid crystal display panel carries out drive control, driving letter
One first driving signal in number inputs third input port 333 by the first sub- flexible printed circuit board pad 321 and passes through
Third output port 431 exports the first subsignal line 341 into signal wire；One second driving signal in driving signal passes through
Second sub- flexible printed circuit board pad 322 inputs the 4th input port 334 and by the 4th output port 432 output to signal
The second subsignal line 342 in line.
Compared with the first embodiment shown in Fig. 3, the present embodiment occupy more driving chip two output ports (Output),
Liquid crystal cell tests cabling thread-changing not inside IC and at the signal wire being connected with output port.The design of this cabling equally has
The advantages of region WOA that liquid crystal cell test cabling thread-changing is less in the path of signal transmission and occupancy is less.
In the present embodiment, the first test signal is constant pressure high level signal VGH, and the second test signal is constant pressure low level
Signal VGL；First driving signal is constant pressure high level signal VGH, and the second driving signal is constant pressure low level signal VGL.
With reference to Fig. 5, the test cabling design of liquid crystal cell shown in liquid crystal display panel 3rd embodiment of the present invention is shown
It is intended to.With first embodiment shown in Fig. 3 the difference is that, in the present embodiment, the flexible printed circuit board area 32
The first sub- flexible printed circuit board pad 321 and the liquid crystal cell test section 31 the first sub- testing weld pad 311 be shorted after
It is electrically connected to the first input port 331 in driving chip area 33, first input port 331 passes through the inside cabling of driving chip
It is electrically connected to first output port 335 in driving chip area 33, the first output port 335 is electrically connected in signal wire
One subsignal line 341；The sub- flexible printed circuit board pad 322 of the second of the flexible printed circuit board area 32 and the liquid
The sub- testing weld pad 312 of the second of brilliant box test section 31 is electrically connected to second input port 332 in driving chip area 33 after being shorted,
Second input port 332 is electrically connected to the second output terminal mouth 336 in driving chip area 33 by the inside cabling of driving chip,
Second output terminal mouth 336 is electrically connected to the second subsignal line 342 in signal wire.
In the present embodiment, the first sub- flexible printed circuit board pad 321 and the second sub- flexible printed circuit board pad 322
It is sequentially arranged the first end 521 in flexible printed circuit board area 32.First sub- testing weld pad 311 and the second sub- testing weld pad 312
It is sequentially arranged the first sub- test section 511 of liquid crystal cell test section 31 and the first end 521 close to flexible printed circuit board area 32.
First input port 331 and the second input port 332 are sequentially arranged the first end 531 in driving chip area 33 and close to flexible prints
The first end 521 in printed circuit board area 32；First output port 335 and second output terminal mouth 336 are sequentially arranged driving chip area
33 first end 531.
In order to reduce the distance of face interior cabling, the sub- flexible printed circuit board pad of the first of flexible printed circuit board area 32
321 are arranged in the position of the first input port 331 corresponding to driving chip area 33；Second son in flexible printed circuit board area 32
The position of the second input port 332 corresponding to driving chip area 33 is arranged in flexible printed circuit board pad 322.That is, such as Fig. 5
Shown, the first sub- flexible printed circuit board pad 321, the second sub- flexible printed circuit board pad 322 are separately positioned on flexible print
First, second pad locations of 32 the same end of printed circuit board area, so that first sub- the 321, second son of flexible printed circuit board pad
It is corresponding with the position of first input port 331, the second input port 332 that position is arranged in flexible printed circuit board pad 322.
Particularly, the top of the first sub- flexible printed circuit board pad 321 and the top of the first sub- testing weld pad 311 are shorted
After be electrically connected to first input port 331；The top of second sub- flexible printed circuit board pad 322 and the second sub- testing weld pad
312 top is electrically connected to the second input port 336 after being shorted.
When liquid crystal display panel is tested, the one first test signal tested in signal passes through the first sub- testing weld pad
311 input first input ports 331 simultaneously export the first subsignal line 341 into signal wire by the first output port 335；It surveys
One second test signal in trial signal is by the second sub- the second input port 332 of input of testing weld pad 312 and defeated by second
Exit port 336 exports the second subsignal line 342 into signal wire.When liquid crystal display panel carries out drive control, driving letter
One first driving signal in number inputs first input port 331 by the first sub- flexible printed circuit board pad 321 and passes through
First output port 335 exports the first subsignal line 341 into signal wire；One second driving signal in driving signal passes through
Second sub- flexible printed circuit board pad 322 inputs the second input port 332 and by the output of second output terminal mouth 336 to signal
The second subsignal line 342 in line.
Compared with the first embodiment shown in Fig. 3, the present embodiment liquid crystal cell test cabling thread-changing not inside IC the area Er IC
Between the area FPC.The design of this cabling is equally with liquid crystal cell test cabling thread-changing is less in the path that signal transmits and occupies
The advantages of less region WOA.
In the present embodiment, the first test signal is constant pressure high level signal VGH, and the second test signal is constant pressure low level
Signal VGL；First driving signal is constant pressure high level signal VGH, and the second driving signal is constant pressure low level signal VGL.
With reference to Fig. 6, the test cabling design of liquid crystal cell shown in liquid crystal display panel fourth embodiment of the present invention is shown
It is intended to.With first embodiment shown in Fig. 5 the difference is that, in the present embodiment, the first sub- flexible printed circuit board pad
321 top and the top of the first sub- testing weld pad 311 are electrically connected to first input port 331 after being shorted；Second son is flexible
The bottom of printed circuit board pads 322 and the bottom of the second sub- testing weld pad 312 are electrically connected to the second input port after being shorted
336。
In the present embodiment, liquid crystal cell tests cabling and thread-changing is not present, and occupies the less region WOA.
With reference to Fig. 7, the test cabling design of liquid crystal cell shown in the 5th embodiment of liquid crystal display panel of the present invention is shown
It is intended to.With first embodiment shown in Fig. 5 the difference is that, in the present embodiment, the first sub- flexible printed circuit board pad
321 are arranged in the first end 721 in flexible printed circuit board area 32, and the second sub- flexible printed circuit board pad 322 is arranged in flexibility
The second end 722 in printed circuit board area 32.The first sub- test section of liquid crystal cell test section 31 is arranged in first sub- testing weld pad 311
711 and the first end 721 close to flexible printed circuit board area 32, the second sub- testing weld pad 312 be arranged in liquid crystal cell test section 31
The second sub- test section 712 and close to flexible printed circuit board area 32 second end 722.The setting of first input port 331 is being driven
The first end 731 of dynamic chip region 33 and the first end 721 in close flexible printed circuit board area 32；The setting of second input port 332
Second end 732 in driving chip area 33 and the second end 722 close to flexible printed circuit board area 32；First output port 335
The first end 731 in driving chip area 33 is set, and the second end 732 in driving chip area 33 is arranged in second output terminal mouth 336.
In order to reduce the distance of face interior cabling, the sub- flexible printed circuit board pad of the first of flexible printed circuit board area 32
321 are arranged in the position of the first input port 331 corresponding to driving chip area 33；Second son in flexible printed circuit board area 32
The position of the second input port 332 corresponding to driving chip area 33 is arranged in flexible printed circuit board pad 322.
In the present embodiment, the top at the top of the first sub- flexible printed circuit board pad 321 and the first sub- testing weld pad 311
Portion is electrically connected to first input port 331 after being shorted；The top of second sub- flexible printed circuit board pad 322 is surveyed with the second son
The top of test weld disk 312 is electrically connected to the second input port 336 after being shorted.In other embodiments, flexible printed circuit board
The short circuit mode of pad and testing weld pad may be bottom and bottom short circuit, top and bottom short circuit etc..
The transmission path of signal is tested when liquid crystal display panel is tested, and is driven in liquid crystal display panel
The transmission path of driving signal is similar to embodiment illustrated in fig. 5 when control, and details are not described herein again.In the present embodiment, liquid crystal cell is surveyed
It tries cabling and thread-changing is not present, and occupy the less region WOA.
The present invention also provides a kind of liquid crystal display, the liquid crystal display includes liquid crystal display of the present invention
Panel.Using the liquid crystal display of liquid crystal display panel of the present invention, in the premise for guaranteeing that liquid crystal display works normally
Under, liquid crystal cell test cabling thread-changing is less or thread-changing is not present, and reduces the danger that ESD wound liquid crystal cell test cabling, FPC cabling
Evil, and occupy the less region WOA.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (12)
1. a kind of liquid crystal display panel characterized by comprising
Driving chip area passes through the defeated of the driving chip area for the binding of driving chip, and after driving chip binding
Exit port output drive signal is to carry out the drive control of liquid crystal display panel；
Flexible printed circuit board area, the binding for flexible printed circuit board；
Liquid crystal cell test section, for the testing weld pad conveying test signal by the liquid crystal cell test section to liquid crystal display panel
It is tested；
When liquid crystal display panel is tested, the test signal inputs the driving chip area by the testing weld pad
Respective input mouth is simultaneously exported by the corresponding output port in the driving chip area to signal wire, to be tested；
When liquid crystal display panel carries out drive control, the driving signal inputs institute by the flexible printed circuit board pad
It states the respective input mouth in driving chip area and is exported by the corresponding output port in the driving chip area to the signal wire,
To be driven；
The testing weld pad of the liquid crystal cell test section includes at least one first sub- testing weld pad and one second sub- testing weld pad,
The first sub- testing weld pad is electrically connected to the first input port in the driving chip area, the second sub- testing weld pad electricity
Property is connected to second input port in the driving chip area；
The flexible printed circuit board pad in the flexible printed circuit board area includes at least one first sub- flexible print circuit
Plate pad and one second sub- flexible printed circuit board pad, the first sub- flexible printed circuit board pad are electrically connected to described
The third input port in driving chip area, the second sub- flexible printed circuit board pad are electrically connected to the driving chip area
The 4th input port；
The first input port in the driving chip area is electrically connected to the driving by the inside cabling of driving chip
First output port of chip region, the inside cabling electricity that second input port in the driving chip area passes through driving chip
Property is connected to the second output terminal mouth in the driving chip area, and the third input port in the driving chip area passes through driving
The inside cabling of chip is electrically connected to the third output port in the driving chip area, and the described 4th of the driving chip area the
Input port is electrically connected to the 4th output port in the driving chip area by the inside cabling of driving chip, and described first
Output port and the third output port are electrically connected to the first subsignal line in the signal wire, the second output terminal
Mouth is electrically connected to the second subsignal line in the signal wire with the 4th output port.
2. liquid crystal display panel as described in claim 1, which is characterized in that
When liquid crystal display panel is tested, one first test signal in the test signal passes through the first son test
Pad inputs the first input port and is exported by first output port to the first subsignal line, the test
One second test signal in signal by the described second sub- testing weld pad inputs second input port and by described the
Two output ports are exported to the second subsignal line；
When liquid crystal display panel carries out drive control, one first driving signal in the driving signal passes through first son
Flexible printed circuit board pad inputs the third input port and is exported by the third output port to first son
Signal wire, one second driving signal in the driving signal pass through described in the described second sub- flexible printed circuit board pad input
4th input port is simultaneously exported by the 4th output port to the second subsignal line.
3. such as the described in any item liquid crystal display panels of claim 1-2, which is characterized in that
The first test signal is constant pressure high level signal, and the second test signal is constant pressure low level signal；
First driving signal is constant pressure high level signal, and second driving signal is constant pressure low level signal.
4. a kind of liquid crystal display, which is characterized in that including the described in any item liquid crystal display panels of claim 1-2.
5. a kind of liquid crystal display panel characterized by comprising
Driving chip area passes through the defeated of the driving chip area for the binding of driving chip, and after driving chip binding
Exit port output drive signal is to carry out the drive control of liquid crystal display panel；
Flexible printed circuit board area, the binding for flexible printed circuit board；
Liquid crystal cell test section, for the testing weld pad conveying test signal by the liquid crystal cell test section to liquid crystal display panel
It is tested；
When liquid crystal display panel is tested, the test signal inputs the driving chip area by the testing weld pad
Respective input mouth is simultaneously exported by the corresponding output port in the driving chip area to signal wire, to be tested；
When liquid crystal display panel carries out drive control, the driving signal inputs institute by the flexible printed circuit board pad
It states the respective input mouth in driving chip area and is exported by the corresponding output port in the driving chip area to the signal wire,
To be driven；
The flexible printed circuit board pad in the flexible printed circuit board area includes at least one first sub- flexible print circuit
Plate pad and one second sub- flexible printed circuit board pad；
The testing weld pad of the liquid crystal cell test section includes at least one first sub- testing weld pad and one second sub- testing weld pad；
The first sub- flexible printed circuit board pad is electrically connected to the driving after being shorted with the described first sub- testing weld pad
The first input port of chip region, electricity after the second sub- flexible printed circuit board pad is shorted with the described second sub- testing weld pad
Property is connected to second input port in the driving chip area；
The first input port in the driving chip area is electrically connected to the driving by the inside cabling of driving chip
First output port of chip region, first output port are electrically connected to the first subsignal line in the signal wire, institute
Second input port for stating driving chip area is electrically connected to the driving chip area by the inside cabling of driving chip
Second output terminal mouth, the second output terminal mouth is electrically connected to the second subsignal line in the signal wire；
The first sub- flexible printed circuit board pad and the second sub- flexible printed circuit board pad are sequentially arranged described
The first end in flexible printed circuit board area；
The first sub- testing weld pad and the second sub- testing weld pad are sequentially arranged the first son of the liquid crystal cell test section
The first end of test section and the close flexible printed circuit board area；
The first input port and second input port are sequentially arranged the first end in the driving chip area and close
The first end in the flexible printed circuit board area, first output port and the second output terminal mouth are sequentially arranged
The first end in the driving chip area；
The top of the first sub- flexible printed circuit board pad and the top of the described first sub- testing weld pad electrically connect after being shorted
It is connected to the first input port；
The bottom of the second sub- flexible printed circuit board pad and the bottom of the described second sub- testing weld pad electrically connect after being shorted
It is connected to second input port.
6. liquid crystal display panel as claimed in claim 5, which is characterized in that
When liquid crystal display panel is tested, one first test signal in the test signal passes through the first son test
Pad inputs the first input port and is exported by first output port to the first subsignal line, the test
One second test signal in signal by the described second sub- testing weld pad inputs second input port and by described the
Two output ports are exported to the second subsignal line；
When liquid crystal display panel carries out drive control, one first driving signal in the driving signal passes through first son
Flexible printed circuit board pad inputs the first input port and is exported by first output port to first son
Signal wire, one second driving signal in the driving signal pass through described in the described second sub- flexible printed circuit board pad input
Second input port is simultaneously exported by the second output terminal mouth to the second subsignal line.
7. such as the described in any item liquid crystal display panels of claim 5-6, which is characterized in that
The first test signal is constant pressure high level signal, and the second test signal is constant pressure low level signal；
First driving signal is constant pressure high level signal, and second driving signal is constant pressure low level signal.
8. a kind of liquid crystal display, which is characterized in that including the described in any item liquid crystal display panels of claim 5-6.
9. a kind of liquid crystal display panel characterized by comprising
Driving chip area passes through the defeated of the driving chip area for the binding of driving chip, and after driving chip binding
Exit port output drive signal is to carry out the drive control of liquid crystal display panel；
Flexible printed circuit board area, the binding for flexible printed circuit board；
Liquid crystal cell test section, for the testing weld pad conveying test signal by the liquid crystal cell test section to liquid crystal display panel
It is tested；
When liquid crystal display panel is tested, the test signal inputs the driving chip area by the testing weld pad
Respective input mouth is simultaneously exported by the corresponding output port in the driving chip area to signal wire, to be tested；
When liquid crystal display panel carries out drive control, the driving signal inputs institute by the flexible printed circuit board pad
It states the respective input mouth in driving chip area and is exported by the corresponding output port in the driving chip area to the signal wire,
To be driven；
The flexible printed circuit board pad in the flexible printed circuit board area includes at least one first sub- flexible print circuit
Plate pad and one second sub- flexible printed circuit board pad；
The testing weld pad of the liquid crystal cell test section includes at least one first sub- testing weld pad and one second sub- testing weld pad；
The first sub- flexible printed circuit board pad is electrically connected to the driving after being shorted with the described first sub- testing weld pad
The first input port of chip region, electricity after the second sub- flexible printed circuit board pad is shorted with the described second sub- testing weld pad
Property is connected to second input port in the driving chip area；
The first input port in the driving chip area is electrically connected to the driving by the inside cabling of driving chip
First output port of chip region, first output port are electrically connected to the first subsignal line in the signal wire, institute
Second input port for stating driving chip area is electrically connected to the driving chip area by the inside cabling of driving chip
Second output terminal mouth, the second output terminal mouth is electrically connected to the second subsignal line in the signal wire；
The first end in the flexible printed circuit board area, second son is arranged in the first sub- flexible printed circuit board pad
The second end in the flexible printed circuit board area is arranged in flexible printed circuit board pad；
The first sub- testing weld pad is arranged in the first sub- test section of the liquid crystal cell test section and close to the flexible printing
The first end of circuit board area, the second sub- testing weld pad be arranged in the second sub- test section of the liquid crystal cell test section and
The second end close to the flexible printed circuit board area；
The first input port is arranged in the first end in the driving chip area and close to the flexible printed circuit board area
The first end, second input port are arranged in the second end in the driving chip area and close to the flexible print circuits
The first end in the driving chip area is arranged in the second end in plate area, first output port, and described second is defeated
The second end in the driving chip area is arranged in exit port.
10. liquid crystal display panel as claimed in claim 9, which is characterized in that
When liquid crystal display panel is tested, one first test signal in the test signal passes through the first son test
Pad inputs the first input port and is exported by first output port to the first subsignal line, the test
One second test signal in signal by the described second sub- testing weld pad inputs second input port and by described the
Two output ports are exported to the second subsignal line；
When liquid crystal display panel carries out drive control, one first driving signal in the driving signal passes through first son
Flexible printed circuit board pad inputs the first input port and is exported by first output port to first son
Signal wire, one second driving signal in the driving signal pass through described in the described second sub- flexible printed circuit board pad input
Second input port is simultaneously exported by the second output terminal mouth to the second subsignal line.
11. such as the described in any item liquid crystal display panels of claim 9-10, which is characterized in that
The first test signal is constant pressure high level signal, and the second test signal is constant pressure low level signal；
First driving signal is constant pressure high level signal, and second driving signal is constant pressure low level signal.
12. a kind of liquid crystal display, which is characterized in that including the described in any item liquid crystal display panels of claim 9-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534949.9A CN105954899B (en) | 2016-07-08 | 2016-07-08 | Liquid crystal display panel and liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610534949.9A CN105954899B (en) | 2016-07-08 | 2016-07-08 | Liquid crystal display panel and liquid crystal display |
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| CN105954899A CN105954899A (en) | 2016-09-21 |
| CN105954899B true CN105954899B (en) | 2019-07-23 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346082A (en) * | 2017-09-01 | 2017-11-14 | 武汉华星光电技术有限公司 | Array base palte and liquid crystal display panel |
| CN107463014A (en) | 2017-09-26 | 2017-12-12 | 武汉华星光电技术有限公司 | Array base palte and array base palte test structure |
| CN107589612B (en) * | 2017-10-24 | 2021-02-19 | 惠科股份有限公司 | Array substrate and display panel |
| CN107749269A (en) * | 2017-11-15 | 2018-03-02 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN107942547B (en) * | 2017-11-21 | 2020-06-30 | 深圳市华星光电半导体显示技术有限公司 | Lighting and back lighting fixture and method for detecting panel |
| CN109841181B (en) * | 2017-11-24 | 2022-08-19 | 上海和辉光电股份有限公司 | Array substrate, display panel and display device |
| CN109001945B (en) * | 2018-09-27 | 2024-03-26 | 武汉华星光电技术有限公司 | Display panel and display module |
| CN109491166B (en) * | 2018-12-28 | 2021-07-06 | 深圳市华星光电半导体显示技术有限公司 | Array substrate |
| CN109523943B (en) * | 2018-12-28 | 2023-06-20 | 厦门天马微电子有限公司 | Display panel and display device |
| CN109976009B (en) * | 2019-04-15 | 2024-04-09 | 武汉华星光电技术有限公司 | Display panel, chip and flexible circuit board |
| CN110646965B (en) * | 2019-09-27 | 2022-10-18 | 厦门天马微电子有限公司 | Special-shaped display panel, manufacturing method thereof and special-shaped display device |
| CN111176001B (en) * | 2020-01-14 | 2021-02-23 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and testing method thereof |
| CN113570989B (en) * | 2021-07-30 | 2024-04-05 | 友达光电（昆山）有限公司 | Test circuit and display panel |
| CN113689820B (en) * | 2021-08-17 | 2023-08-01 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
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| CN105096780A (en) * | 2015-07-29 | 2015-11-25 | 武汉华星光电技术有限公司 | Substrate circuit and signal test circuit of display panel |
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| DE10227332A1 (en) * | 2002-06-19 | 2004-01-15 | Akt Electron Beam Technology Gmbh | Control device with improved test properties |
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