CN105590602B - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN105590602B CN105590602B CN201610034233.2A CN201610034233A CN105590602B CN 105590602 B CN105590602 B CN 105590602B CN 201610034233 A CN201610034233 A CN 201610034233A CN 105590602 B CN105590602 B CN 105590602B
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- data selector
- liquid crystal
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of liquid crystal display device, including：Liquid crystal display panel；Export the grid control circuit plate of gate control signal；Gate driving circuit chip is connect with grid control circuit plate, for exporting 4N gate drive signal；Multiple gate drive circuit units are connect with the output terminal and liquid crystal display panel of the gate driving circuit chip, for the grid signal of output driving liquid crystal display panel；First data selector is connect with gate driving circuit chip and grid control circuit plate, and grid control circuit plate is given for one in preceding 2N gate drive signal to be exported；Second data selector is connect with gate driving circuit chip and grid control circuit plate, and grid control circuit plate is given for one in rear 2N gate drive signal to be exported.Liquid crystal display device provided by the invention backs into gate drive signal on grid control circuit plate by data selector, and GIA signals are obtained by grid control circuit plate.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly, to a kind of liquid crystal display device.
Background technology
At present, liquid crystal display device (Liquid Crystal Display, LCD) has frivolous, energy saving, radiationless etc. all
More advantages are widely used at laptop, desktop computer, shot with video-corder, smart television, mobile terminal or individual digital
It manages on the products such as device.
The display panel of liquid crystal display device include color membrane substrates, thin-film transistor array base-plate and positioned at color membrane substrates with
Liquid crystal between thin-film transistor array base-plate.Wherein, the scan line of transposition insulator is provided on thin-film transistor array base-plate
And data line, transistor and the pixel electrode being connected with transistor are connected in cross section, public affairs are provided on color membrane substrates
Common electrode, pixel electrode, public electrode and Formation of liquid crystals liquid crystal capacitance therebetween.In addition, on thin-film transistor array base-plate also
Gate driving circuit and source electrode drive circuit are provided with, gate driving circuit is used to provide grid signal to scan line, to open
All transistors that the scan line is expert at, source electrode drive circuit are provided to pixel electrode by open transistor and show voltage
To charge to liquid crystal capacitance, so as to fulfill the normal display of picture.
In recent years, it is more next with requirement of the increasingly mature and people of LCD display plate technique to its apparent size
More liquid crystal display panels develops towards narrow frame, therefore the design producer of liquid crystal display panel passes through gate driving circuit
The method integration of mask etch is on thin-film transistor array base-plate, that is, GIA (the Gate In Array) electricity that industry is referred to as
Road, but since the design production technology of GIA circuits is not very ripe, it is ensured that disposably design successful GIA circuits very
Difficulty needs constantly testing the GIA circuits designed, particularly designs the GIA circuits of failure, find out failure
The reason of, and then GIA circuits are improved.
However, liquid crystal display device uses anisotropic conductive adhesive paste and Tuffy glue in bonding, wherein, anisotropy is conductive
Glue is the realization in order to ensure IC functions, stablizes the signal transmission between IC and liquid crystal display panel；Tuffy glue is in order in terminal
Portion and IC contact positions form protective film, strengthen the structure between TCP and liquid crystal display panel.To the grid to GIA circuits
Drive signal waveform is tested, and needs to tear in Tuffy glue at present, then by oscillograph bundle take the test point on glass with
Obtain corresponding waveform, voltage, phase relation.But liquid crystal display device is testing (Reliability by reliability
Test after), since high temperature acts, Tuffy glue or anisotropic conductive adhesive paste are influenced by high temperature, and module is easily caused in removal
Breakage, and then influence the acquisition and analysis of the gate drive signal of the liquid crystal display device after being tested to reliability.
Accordingly, it is desirable to provide a kind of liquid crystal display device, can solve in the above-mentioned circuit tests of GIA in the prior art by
Cracky module when Tuffy glue removes and gate drive signal waveform is caused to obtain the problem of difficult.
Invention content
The purpose of the present invention is to provide a kind of liquid crystal display devices.
According to an aspect of the present invention, a kind of liquid crystal display device is provided, including：Liquid crystal display panel；Grid control electricity
Road plate, for exporting gate control signal；Gate driving circuit chip is connect with the grid control circuit plate, for according to institute
It states gate control signal and exports 4N gate drive signal；Multiple gate drive circuit units, with the gate driving circuit chip
Output terminal and liquid crystal display panel connection, for according to the 4N gate drive signal output driving liquid crystal display panel
Grid signal；First data selector is connect with the output terminal of the gate driving circuit chip, for receiving the grid
1st to the 2N gate drive signal in drive signal；Second data selector, the output with the gate driving circuit chip
End connection, for receiving 2N+1 to the 4N gate drive signal in the gate drive signal；Wherein, first data
Selector is also connect with the grid control circuit plate, for exporting the 1st to the 2N grid to the grid control circuit plate
One in drive signal；Second data selector is also connect with the grid control circuit plate, for the grid
Control circuit board exports one in 2N+1 to the 4N gate drive signal.
Preferably, the liquid crystal display device further includes：Signal input apparatus, respectively with first data selector and
Second data selector connects, and is instructed for input control, and generates first choice signal and second according to the control instruction
Selection signal.
Preferably, first data selector is additionally operable to export the 1st to the 2N grid according to the first choice signal
One in the drive signal of pole；Second data selector is additionally operable to export 2N+1 to the according to second selection signal
One in 4N gate drive signal.
Preferably, the 1st to the 2N gate drive signal includes the the the 1st to n-th clock signal and the 1st to n-th
Enable signal.
Preferably, 2N+1 to the 4N gate drive signal includes N+1 to 2N clock signal and N+1
To the 2N enable signal.
Preferably, the grid control circuit plate includes printed circuit board and flexible PCB, the printed circuit board warp
It is connect by flexible PCB with the gate driving circuit chip.
Preferably, first data selector is connect with the printed circuit board, for defeated to the printed circuit board
Go out one in the 1st to the 2N gate drive signal；Second data selector is also connect with the printed circuit board, is used
In one into printed circuit board 2N+1 to the 4N gate drive signal of output.
Preferably, the printed circuit board includes the first test point and the second test point；First test point with it is described
First data selector connects, for receiving the gate drive signal of the first data selector output；Second test
Point is connect with second data selector, for receiving the gate drive signal of the second data selector output.
Preferably, first data selector is connect with the flexible PCB, for defeated to the flexible PCB
Go out one in the 1st to the 2N gate drive signal；Second data selector is also connect with the flexible PCB, is used
In one into flexible PCB 2N+1 to the 4N gate drive signal of output.
Preferably, the flexible PCB includes the first test point and the second test point；First test point with it is described
First data selector connects, for receiving the gate drive signal of the first data selector output；Second test
Point is connect with second data selector, for receiving the gate drive signal of the second data selector output.
The gate drive signal that gate driving circuit chip exports is passed through data by liquid crystal display device provided by the invention
Selector is backed on grid control circuit plate, so that test device obtains GIA by the test point on grid control circuit plate
Signal.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 a- Fig. 1 b show the schematic block diagram of liquid crystal display device according to embodiments of the present invention；
Fig. 2 shows the schematic diagrames of liquid crystal display panel according to embodiments of the present invention；
Fig. 3 shows the circuit diagram of gate drive circuit unit according to embodiments of the present invention；
Fig. 4 shows the schematic diagram of signal input apparatus according to embodiments of the present invention.
Specific embodiment
Hereinafter reference will be made to the drawings is more fully described various embodiments of the present invention.In various figures, identical element
It is represented using same or similar reference numeral.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
The present invention can be presented in a variety of manners, some of them example explained below.
Fig. 1 a- Fig. 1 b show the schematic block diagram of liquid crystal display device according to embodiments of the present invention.The liquid
Crystal device includes liquid crystal display panel 10, grid control circuit plate 20, gate driving circuit chip 30, multiple gate drivings
Circuit unit 40, the first data selector 50 and the second data selector 60.
Wherein, liquid crystal display panel 10, for showing image in response to grid signal.
As shown in Fig. 2, the liquid crystal display panel 10 in the present embodiment includes be arranged to make up by multiple pixel units 11 two
Tie up pel array, (such as laterally) setting along a first direction multi-strip scanning line (such as scan line G1 and scan line in Fig. 3
G2 the multiple data lines (not shown)) and along second direction (such as vertical) set.Each pixel unit 11 is provided with one
A thin film transistor (TFT) (not shown).Every scan line (such as scan line G1 or scan line G2 in Fig. 3) is corresponding to above-mentioned two dimension
A line (transverse direction) in pel array is simultaneously connected with the grid of all thin film transistor (TFT)s in the row.Correspond to per data line upper
It states one in two-dimensional array row (vertical) and is connected with the source electrode of all thin film transistor (TFT)s in the row.Each pixel unit
The drain electrode of 11 thin film transistor (TFT) is connected with the pixel electrode in the pixel unit 11.
Grid control circuit plate 20, for exporting gate control signal.
In the present embodiment, grid control circuit plate 20 includes at least one in printed circuit board 21 and flexible PCB 22
Kind, for providing gate control signal, such as voltage signal to gate driving circuit chip 30.
Gate driving circuit chip 30 is connect with the grid control circuit plate 20, for according to the gate control signal
Export 4N gate drive signal.
In the present embodiment, gate driving circuit chip (Gate driver IC), for according to the gate control signal
4N gate drive signal is exported, which includes 2N clock signal and 2N enable signal.In Fig. 1 a- Fig. 1 b
16 gate drive signals therein are schematically depicted, wherein, 16 gate drive signals include 8 clock signals
CLK1-CLK8 and 8 enable signal STV1-STV8.
Gate driving circuit chip (Gate driver IC) can be arranged directly on liquid crystal display panel 10 or logical
It crosses flexible circuit board (FPC) to connect with liquid crystal display panel 10, in the present embodiment, the gate driving circuit chip 30 welding is set
It puts on the fringe region of the downside of liquid crystal display panel 10, gate driving circuit chip 30 is respectively from the left and right sides from liquid crystal display
The left and right sides cabling of panel 10 is connect with the scanning input line S of each gate drive circuit unit 40.Gate driving circuit core
Piece 30 provides the pulse drive signal needed for scanning, while grid for the scanning input line S of each gate drive circuit unit 40
Drive circuit chip 30 also passes through each gate drive circuit unit with first grid control line C1 and second grid control line C2
40 connections, gate driving circuit chip 30 be respectively first grid control line C1 and the second scan control line C2 provide the period when
Clock signal, so that each gate drive circuit unit 40 can control the state of two coupled grid lines.
Multiple gate drive circuit units 20, output terminal and LCD display with the gate driving circuit chip 30
Plate 10 connects, for providing grid signal to liquid crystal display panel 10 according to the 4N gate drive signal.
In the present embodiment, multiple gate drive circuit units 40 are arranged on liquid crystal display panel 10, multiple grid
Drive circuit unit 40 is integrally disposed on the fringe region of at least side of liquid crystal display panel 10.In the present embodiment, it is multiple
Gate drive circuit unit 40 is integrally disposed and is distributed on the fringe region of 10 left and right sides of liquid crystal display panel, and in liquid crystal
10 left and right sides of display panel is in alternately distribution setting.Each gate drive circuit unit 40 and phase on liquid crystal display panel 10
Two adjacent grid lines are connected, and one of gate drive circuit unit 40 as shown in Figure 3 is adjacent on liquid crystal display panel 10
Grid line G1, G2 be connected, for controlling the state of adjacent grid line G1, G2.It please join Fig. 2, first gate drive circuit unit
40 are arranged on the left border region of liquid crystal display panel 20 and for controlling first and the state of Article 2 grid line, second
Gate drive circuit unit 40 is arranged on the right border region of liquid crystal display panel 10 and for controlling Article 3 and Article 4
The state of grid line, third gate drive circuit unit 40 are arranged on the left border region of liquid crystal display panel 10 and for controlling
Article 5 processed and the state of Article 6 grid line, and so on, make multiple gate drive circuit units 40 in liquid crystal display panel 10
The left and right sides in being alternately distributed setting.Liquid crystal display panel 10 exports grid signal by multiple gate drive circuit units 40
To each grid line, the scanning to pel array is completed.
Specifically, as shown in figure 3, each gate drive circuit unit 40 includes scanning input line S, first grid driving letter
Number line C1, second grid drive signal line C2, the first transistor 401, second transistor 402, third transistor 403 and the 4th are brilliant
Body pipe 404.In the present embodiment, the transistor in display device is thin film transistor (TFT) (Thin Film Transistor, TFT),
But it is not limited thereto.Source electrodes of the input line S respectively with the source electrode of the first transistor 401 and third transistor 403 is scanned to connect.
First gate driving signal line C1 respectively with the grid of the first transistor 401, the drain electrode of second transistor 402 and the 4th transistor
404 grid connection.Second grid drive signal line C2 respectively with the grid of second transistor 402, the grid of third transistor 403
The drain electrode of pole and the 4th transistor 404 connects.The drain electrode of the first transistor 401 and the source electrode of second transistor 402 with it is adjacent
The first grid line G1 connections in two grid lines.The drain electrode of third transistor 403 and the source electrode of the 4th transistor 404 are adjacent with this
The second grid line G2 connections in two grid lines.
First data selector 50 is connect with the output terminal of the gate driving circuit chip 30, for receiving the grid
1st to the 2N gate drive signal in the drive signal of pole.
In the present embodiment, gate driving circuit chip 30 is providing clock signal to multiple gate drive circuit units 40
During with enable signal (i.e. multiple gate drive signals), also by the 1st to the 2N gate driving in multiple gate drive signals
Signal is supplied to the first data selector 50.
First data selector 50 is also connect with the grid control circuit plate 30, for controlling electricity to the grid
Road plate 30 exports one in the 1st to the 2N gate drive signal.
1st to the 2N gate drive signal includes the 1st and enables letter with the 1st to n-th to n-th clock signal
Number.Specifically, for shown in Fig. 1 a-1b, the described 1st to the 8th gate drive signal includes 4 clock signal (CLK1-
) and 4 enable signals (STV1-STV4) CLK4.
Second data selector 60 is connect with the output terminal of the gate driving circuit chip, for receiving the grid
2N+1 to the 4N gate drive signal in drive signal.
In the present embodiment, gate driving circuit chip 30 is providing clock signal to multiple gate drive circuit units 40
During with enable signal (i.e. multiple gate drive signals), also 2N+1 to the 4N grid in multiple gate drive signals is driven
Dynamic signal is supplied to the second data selector 60.
Second data selector 60 is also connect with the grid control circuit plate 30, for controlling electricity to the grid
Road plate 30 exports one in 2N+1 to the 4N gate drive signal.
2N+1 to the 4N gate drive signal includes N+1 to 2N clock signal and N+1 to 2N
A enable signal.Specifically, for shown in Fig. 1 a-1b, the described 9th to the 16th gate drive signal includes 4 clocks
Signal (CLK5-CLK8) and 4 enable signals (STV5-STV8).
In a preferred embodiment, liquid crystal display device further includes signal input apparatus 70, respectively with described first
50 and second data selector 60 of data selector connects, and is instructed for input control, and according to control instruction generation the
One selection signal and the second selection signal.
In the present embodiment, signal input apparatus 70 input control instruction can be binary coding code1 and
Code2 is respectively used to the first data selector of control and the second data selector.Wherein, code1 and code2 can be identical
It can be different.Such as code1 is 101, signal input apparatus 70 as shown in Figure 4 then generates first choice signal, makes the first number
It is exported according to selector according to the first choice signal behavior STV3.Such as code2 is 011, signal as shown in Figure 4 input dress
70 are put, then generates the second selection signal, the second data selector is made to select CLK5 outputs according to the second selection signal.
In a preferred embodiment, as shown in Fig. 1 a-1b, the grid control circuit plate 20 includes printed circuit board
21 and flexible PCB FPC22, the printed circuit board 21 is via flexible PCB 22 and the gate driving circuit chip 30
Connection.
In a preferred embodiment, as shown in Figure 1a, first data selector 50 and second data choosing
It selects device 60 to connect with the printed circuit board 21 respectively, for first data selector 50 and second data to be selected
The gate drive signal that device 60 exports is supplied to test point on printed circuit board 21, and to test when carries out obtaining for GIA signals
It takes.
In the present embodiment, printed circuit board 21 includes the first test point 211 and the second test point 212, wherein, first surveys
Pilot 211 is connect with first data selector 50, for receiving the gate driving that first data selector 50 exports
Signal；Second test point 212 is connect with second data selector 60, for receiving second data selector 60
The gate drive signal of output
In a preferred embodiment, as shown in Figure 1 b, first data selector 50 and second data choosing
It selects device 60 to connect with the flexible PCB 22 respectively, for first data selector 50 and second data to be selected
The gate drive signal that device 60 exports is supplied to test point on flexible PCB 22, and to test when carries out obtaining for GIA signals
It takes.
In the present embodiment, the flexible PCB 22 includes the first test point 221 and the second test point 222, wherein, institute
It states the first test point 221 to connect with first data selector 50, for receiving the output of the first data selector 50
Gate drive signal；Second test point 222 is connect with second data selector 60, for receiving second data
The gate drive signal that selector 60 exports.
The gate drive signal that gate driving circuit chip exports is passed through data by liquid crystal display device provided by the invention
Selector is backed on grid control circuit plate, so that test device obtains GIA by the test point on grid control circuit plate
Signal.
According to the embodiment of the present invention as described above, these embodiments are there is no all details of detailed descriptionthe, also not
It is only the specific embodiment to limit the invention.Obviously, as described above, can make many modifications and variations.This explanation
Book is chosen and specifically describes these embodiments, is in order to preferably explain the principle of the present invention and practical application, belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The protection model of the present invention
The range that the claims in the present invention are defined should be subject to by enclosing.
Claims (10)
1. a kind of liquid crystal display device, including：
Liquid crystal display panel；
Grid control circuit plate, for exporting gate control signal；
Gate driving circuit chip is connect with the grid control circuit plate, for exporting 4N according to the gate control signal
Gate drive signal；
Multiple gate drive circuit units are connect with the output terminal and liquid crystal display panel of the gate driving circuit chip,
For the grid signal according to the 4N gate drive signal output driving liquid crystal display panel；
First data selector is connect with the output terminal of the gate driving circuit chip, for receiving the gate driving letter
1st to the 2N gate drive signal in number；
Second data selector is connect with the output terminal of the gate driving circuit chip, for receiving the gate driving letter
2N+1 to the 4N gate drive signal in number；
Wherein, first data selector is also connect with the grid control circuit plate, for the grid control circuit
Plate exports one in the 1st to the 2N gate drive signal；
Second data selector is also connect with the grid control circuit plate, for being exported to the grid control circuit plate
One in 2N+1 to the 4N gate drive signal；
The liquid crystal display device provides gate driving by the test point on the grid control circuit plate to test device to be believed
Number.
2. liquid crystal display device according to claim 1, wherein, it further includes：
Signal input apparatus connect with first data selector and the second data selector, refers to for input control respectively
It enables, and first choice signal and the second selection signal is generated according to the control instruction.
3. liquid crystal display device according to claim 2, wherein, first data selector is additionally operable to according to described
One selection signal exports one in the 1st to the 2N gate drive signal；Second data selector is additionally operable to according to institute
State one in the second selection signal 2N+1 to the 4N gate drive signal of output.
4. liquid crystal display device according to claim 1, wherein, the 1st to the 2N gate drive signal includes the 1st
To n-th clock signal and the 1st to n-th enable signal.
5. liquid crystal display device according to claim 1, wherein, 2N+1 to the 4N gate drive signal includes
N+1 is to 2N clock signal and N+1 to the 2N enable signal.
6. liquid crystal display device according to claim 1, wherein, the grid control circuit plate include printed circuit board and
Flexible PCB, the printed circuit board are connect via flexible PCB with the gate driving circuit chip.
7. liquid crystal display device according to claim 6, wherein, first data selector and the printed circuit board
Connection, for exporting one in the 1st to the 2N gate drive signal to the printed circuit board；
Second data selector is also connect with the printed circuit board, for exporting 2N+1 extremely to the printed circuit board
One in the 4N gate drive signal.
8. liquid crystal display device according to claim 7, wherein, the printed circuit board includes the first test point and second
Test point；
First test point is connect with first data selector, for receiving the grid of the first data selector output
Pole drive signal；
Second test point is connect with second data selector, for receiving the grid of the second data selector output
Pole drive signal.
9. liquid crystal display device according to claim 6, wherein, first data selector and the flexible PCB
Connection, for exporting one in the 1st to the 2N gate drive signal to the flexible PCB；
Second data selector is also connect with the flexible PCB, for exporting 2N+1 extremely to the flexible PCB
One in the 4N gate drive signal.
10. liquid crystal display device according to claim 9, wherein, the flexible PCB includes the first test point and the
Two test points；
First test point is connect with first data selector, for receiving the grid of the first data selector output
Pole drive signal；
Second test point is connect with second data selector, for receiving the grid of the second data selector output
Pole drive signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034233.2A CN105590602B (en) | 2016-01-19 | 2016-01-19 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034233.2A CN105590602B (en) | 2016-01-19 | 2016-01-19 | Liquid crystal display device |
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| Publication Number | Publication Date |
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| CN105590602A CN105590602A (en) | 2016-05-18 |
| CN105590602B true CN105590602B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610034233.2A Active CN105590602B (en) | 2016-01-19 | 2016-01-19 | Liquid crystal display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106128384B (en) * | 2016-08-25 | 2019-11-26 | 深圳市华星光电技术有限公司 | Gate drive apparatus and display panel |
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| CN101697267A (en) * | 2009-11-06 | 2010-04-21 | 友达光电股份有限公司 | Display panel with optimized bonding pad distribution of gate driver |
| CN102621721A (en) * | 2012-04-10 | 2012-08-01 | 深圳市华星光电技术有限公司 | Liquid crystal panel, liquid crystal module and method for clarifying reasons resulting in poor screen images thereof |
| CN102629440A (en) * | 2011-05-06 | 2012-08-08 | 京东方科技集团股份有限公司 | Method and apparatus for testing display panel |
| CN103345080A (en) * | 2013-07-10 | 2013-10-09 | 深圳市华星光电技术有限公司 | Rapid test switching device and corresponding TFT-LCD array substrate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102054849B1 (en) * | 2013-06-03 | 2019-12-12 | 삼성디스플레이 주식회사 | Organic Light Emitting Display Panel |
-
2016
- 2016-01-19 CN CN201610034233.2A patent/CN105590602B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697267A (en) * | 2009-11-06 | 2010-04-21 | 友达光电股份有限公司 | Display panel with optimized bonding pad distribution of gate driver |
| CN102629440A (en) * | 2011-05-06 | 2012-08-08 | 京东方科技集团股份有限公司 | Method and apparatus for testing display panel |
| CN102621721A (en) * | 2012-04-10 | 2012-08-01 | 深圳市华星光电技术有限公司 | Liquid crystal panel, liquid crystal module and method for clarifying reasons resulting in poor screen images thereof |
| CN103345080A (en) * | 2013-07-10 | 2013-10-09 | 深圳市华星光电技术有限公司 | Rapid test switching device and corresponding TFT-LCD array substrate |
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| CN105590602A (en) | 2016-05-18 |
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