CN109683374A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109683374A CN109683374A CN201910162923.XA CN201910162923A CN109683374A CN 109683374 A CN109683374 A CN 109683374A CN 201910162923 A CN201910162923 A CN 201910162923A CN 109683374 A CN109683374 A CN 109683374A
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- golden finger
- connection
- substrate
- connection terminal
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136254—Checking; Testing
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of display panel and display device, wherein display panel includes first substrate and the second substrate that is set on first substrate；First substrate is provided with conductive layer far from the second substrate on one side；The second substrate is provided with the first connection terminal and second connection end, and the first connection terminal and second connection end are spaced apart from each other setting, and the first connection terminal and second connection end are electrically connected with conductive layer respectively.Above-mentioned display panel and display device, on the one hand, the first connection terminal and second connection end may finally be used to be grounded, so that display device can carry out Electro-static Driven Comb by conductive layer, the first connection terminal and second connection end, to shield the inside of display panel, damage by static electricity is prevented；On the other hand, since one group of test circuit can be formed between conductive layer, the first connection terminal, second connection end, the resistance value of the test circuit can be tested out by test device, and it is bad by resistance value to judge whether display panel or display device occur.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of display panel and display device.
Background technique
Liquid crystal display device has been widely used in various electronic products, and liquid crystal display panel is liquid crystal display device
Important component, liquid crystal display panel mainly by array substrate, opposite substrate and be located at array substrate and opposite substrate it
Between liquid crystal layer constitute, and liquid crystal layer two sides are provided with orientation film layer, the effect of orientation film layer is to generate liquid crystal molecule just
Begin orientation.
The display of liquid crystal display device mainly includes following methods: the side TN (Twisted Nematic, twisted-nematic)
Formula, with wide viewing angle and high contrast VA (Vertical Alignment, vertically oriented) mode, IPS (In-Plane as a purpose
Switching, plane internal switch) mode and representated by FFS (Fringe Field Switching, fringe field switching) mode
Transverse electric-field type.Wherein, IPS/FFS mode, the direction of an electric field for being applied to liquid crystal molecule are roughly parallel to the side of substrate
To mode, be compared to TN mode etc. have the advantages that improve field angle characteristic.
In IPS/FFS mode, pixel electrode and public electrode are formed in array substrate, in the inside of opposite substrate
Do not form electrode.There are the feelings of display deterioration so that being easy to interfere liquid crystal layer from external electric field in such setting
Condition.In order to avoid the appearance of such case, in the prior art, using in the outside of opposite substrate, ITO (Indium is sputtered
Tin Oxide) etc. modes form external conductive film, then so that ITO is connected to array substrate ground terminal using materials such as conductive silver pastes
(GND) mode shields inside liquid crystal display device.There is ito film plating leakage or ITO electricity since production process not can avoid
Hinder ultra-specification, silver paste holiday cloth or the undesirable potential bad problem of coated with Contact, it is therefore desirable to carry out to these bad problems
Detection, and since the structure of existing display panel is designed just for enabling ITO to shield liquid crystal display device inside, so that right
The detection of ito film plating leakage or ITO resistance ultra-specification, silver paste holiday cloth or the bad problems such as coated with Contact is bad extremely not side
Just.
Summary of the invention
Based on this, it is necessary to aiming at the problem that the bad problem to display panel is inconvenient to detect, provide a kind of display surface
Plate and display device.
A kind of display panel, the display panel include first substrate and the second base being set on the first substrate
Plate；The first substrate is provided with conductive layer far from the second substrate on one side；The second substrate is provided with the first connection
Terminal and second connection end, first connection terminal and second connection end are spaced apart from each other setting, and described first
Connection terminal and second connection end are electrically connected with the conductive layer respectively.
The second substrate has binding region, first connection terminal and described the in one of the embodiments,
Two connection terminals are arranged at the binding region of the second substrate.
The binding region has opposite first end and second end, first connection in one of the embodiments,
Terminal is located at the first end of the binding region, and second connection end is located at the second end of the binding region.
In one of the embodiments, first connection terminal and second connection end pass through respectively conducting resinl with
The conductive layer electrical connection.
The second substrate is provided with installation position in one of the embodiments, and the installation position is for installing driving core
Piece, first connection terminal and second connection end are located at the two sides of the installation position.
A kind of display device, the display device include display surface described in flexible circuit board and any embodiment as above
Plate, the flexible circuit board are connect with the second substrate, and the first golden finger and the second gold medal are provided on the flexible circuit board
Finger, first connection terminal are electrically connected with first golden finger, second connection end and second golden finger
Electrical connection.
One of them in first golden finger and second golden finger is ground connection gold in one of the embodiments,
Finger.
It is also respectively provided with the first connecting line and the second connecting line in the second substrate in one of the embodiments,
The both ends of first connecting line are electrically connected with first connection terminal and first golden finger respectively, second connection
The both ends of line are electrically connected with second connection end and second golden finger respectively.
Third golden finger and the 4th gold medal hand are also respectively provided on the flexible circuit board in one of the embodiments,
Refer to；The third golden finger and the 4th golden finger are arranged at the flexible circuit board adjacent to the one of the second substrate
End, first golden finger and second golden finger are arranged at one of the flexible circuit board far from the second substrate
End；First connection terminal is electrically connected by the third golden finger with first golden finger, second connection end
It is electrically connected by the 4th golden finger with second golden finger.
Third connecting line and the 4th connection are also respectively provided on the flexible circuit board in one of the embodiments,
Line, the both ends of the third connecting line are electrically connected with first golden finger and the third golden finger respectively, and the described 4th connects
The both ends of wiring are electrically connected with second golden finger and the 4th golden finger respectively.
Above-mentioned display panel and display device, by the first connection terminal of setting and the sub two kinds of terminals of second connection end, and
So that the first connection terminal and second connection end is spaced apart from each other setting, and by the first connection terminal and second connection end respectively with
Conductive layer connection.Thus it is possible, on the one hand, the first connection terminal and second connection end may finally be used to be grounded, so that display dress
Electro-static Driven Comb can be carried out by conductive layer, the first connection terminal and second connection end by setting, so that the inside of display panel is shielded,
Prevent damage by static electricity；On the other hand, since one group of test can be formed between conductive layer, the first connection terminal, second connection end
Circuit makes one of terminal ground or connecting test device of the first connection terminal and second connection end, another terminal
Connecting test device can test out the resistance value of the test circuit by test device, and judge display surface by resistance value
Company between plate or the conductive layer of display device, the first connection terminal, second connection end, the first golden finger and the second golden finger
Connect whether occur it is bad, it is more convenient to the detection of the bad problem of display panel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display device of one embodiment of the application；
Fig. 2 be Fig. 1 in display device along the sectional view of A-A；
Fig. 3 is the equivalent circuit diagram of the detection system of the display panel of an embodiment；
Fig. 4 is the equivalent circuit diagram of the detection system of the display device of an embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.Also, this
" top " and " lower section " in invention only indicates relative position, is not offered as absolute position.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In one embodiment, the application provides a kind of display panel, and the display panel includes first substrate and is set to
The second substrate on the first substrate；The first substrate is provided with conductive layer far from the second substrate on one side；It is described
The second substrate is provided with the first connection terminal and second connection end, first connection terminal and the sub- phase of the second connection end
Mutually interval setting, and first connection terminal and second connection end are electrically connected with the conductive layer respectively.
Above-mentioned display panel by the first connection terminal of setting and the sub two kinds of terminals of second connection end, and makes the first connection
Terminal and second connection end are spaced apart from each other setting, and the first connection terminal and second connection end are connected with conductive layer respectively
It connects.Thus it is possible, on the one hand, the first connection terminal and second connection end may finally be used to be grounded, so that display device can pass through
Conductive layer, the first connection terminal and second connection end, which carry out Electro-static Driven Comb, prevents electrostatic to shield the inside of display panel
It wounds；On the other hand, since one group of test circuit can be formed between conductive layer, the first connection terminal, second connection end, make the
One of terminal ground or connecting test device of one connection terminal and second connection end, another terminal connecting test dress
It sets, the resistance value of the test circuit can be tested out by test device, and judge that display panel or display fill by resistance value
Whether connection between the conductive layer set, the first connection terminal, second connection end, the first golden finger and the second golden finger goes out
It is existing bad, it is more convenient to the detection of the bad problem of display panel.
In order to be more convenient for understanding the application, the display panel of the application is described further with reference to the accompanying drawing.Such as
Shown in Fig. 1 and Fig. 2, a kind of display panel includes first substrate 100 and the second substrate being set on the first substrate 200.
In one embodiment, the first substrate is color membrane substrates, and the second substrate is array substrate.Specifically, first base
It is additionally provided with liquid crystal layer between plate and the second substrate, is additionally provided with orientation film layer in liquid crystal layer two sides, wherein the orientation
The effect of film layer is that liquid crystal molecule is made to generate initial orientation.In one embodiment, the first substrate 100 is far from the second substrate
Upper polaroid 300 is arranged in 200 one side, and down polaroid 700 is arranged far from the one side of first substrate 100 in the second substrate 200.
As depicted in figs. 1 and 2, the first substrate 100 is provided with conductive layer far from the second substrate 200 on one side
110, i.e., conductive layer 110 is arranged backwards to the one side of the second substrate 200 in the described first substrate 100.In one embodiment, pass through
The conductive layer is arranged far from the one side of the second substrate in the first substrate in sputtering mode.In one embodiment, described
Color membrane substrates are provided with conductive layer far from the array substrate on one side.In one embodiment, the conductive layer is ITO
(Indium Tin Oxide, tin indium oxide) conductive film.Conductive layer is avoided for shielding external electrical field after being grounded in display panel
Inside generates electrostatic.In one embodiment, the conductive layer is arranged around the edge of the first substrate in the first substrate
Far from the second substrate one side and have hollow structure.
As depicted in figs. 1 and 2, the second substrate 200 is provided with the first connection terminal 210 and second connection end 215,
First connection terminal 210 and second connection end 215 are spaced apart from each other setting, and 210 He of the first connection terminal
Second connection end 215 is electrically connected with the conductive layer 110 respectively.The i.e. described the second substrate is provided with the first connection terminal
With the sub two kinds of terminals of second connection end, and it is not directly connected to each other between the first connection terminal and second connection end.Wherein, institute
The quantity for stating the first connection terminal can may be one or more for one or more, the quantity of second connection end
It is a.In one embodiment, the quantity of first connection terminal is one, and the quantity of second connection end is one.?
In one embodiment, the quantity of first connection terminal is one, and the quantity of second connection end is multiple.Implement one
In example, the quantity of first connection terminal be it is multiple, the quantity of the second connection end son is one.
It should be noted that when the quantity of the first connection terminal and second connection end is multiple, first connection
Terminal and second connection end are electrically connected with the conductive layer respectively can be each first connection terminal and each described
Second connection end is directly electrically connected with the conductive layer respectively, is also possible to each first connection terminal and each described second
Connection terminal is electrically connected with the conductive layer indirectly respectively, is connected as long as being able to achieve each first connection terminal and each described second
Connecting terminal and connection of the conductive layer in terms of circuit, all this application claims in the range of.
The quantity of first connection terminal is multiple in one of the embodiments, each first connection terminal point
It is not electrically connected with the conductive layer；The quantity of first connection terminal is multiple in one of the embodiments, wherein one
First connection terminal is divided directly to be electrically connected with the conductive layer, the first connection terminal described in another part with described by leading
First connection terminal that electric layer is directly electrically connected is electrically connected indirectly with the conductive layer.Institute in one of the embodiments,
State second connection end quantity be it is multiple, each second connection end is electrically connected with the conductive layer respectively；Wherein one
In a embodiment, the quantity of second connection end is multiple, second connection end described in a portion and the conduction
Layer directly electrical connection, second connection end described in another part by with the conductive layer is directly electrically connected described second connect
Terminal is electrically connected indirectly with the conductive layer.
In one of the embodiments, first connection terminal and second connection end pass through respectively conducting resinl with
The conductive layer electrical connection.In one of the embodiments, as shown in Figure 1, first connection terminal 210 is conductive by first
Glue 410 is electrically connected with the conductive layer 110.In one embodiment, the quantity of first connection terminal is multiple, wherein
In one embodiment, each first connection terminal passes through the first conducting resinl respectively and is electrically connected with the conductive layer；At another
In embodiment, the first connection terminal described in a portion is directly electrically connected by the first conducting resinl with the conductive layer, another
Part first connection terminal passes through first connection terminal that is directly electrically connected with the conductive layer and the conductive layer
Electrical connection indirectly.In one embodiment, first connection terminal that is directly connected to the conductive layer and with the conductive layer
First connection terminal being indirectly connected with passes through the first conductive glue connection.In one of the embodiments, as shown in Figure 1, institute
Second connection end 215 is stated to be electrically connected by the second conducting resinl 415 with the conductive layer 110.In one embodiment, described
The quantity of two connection terminals be it is multiple, in one of the embodiments, each second connection end pass through respectively second conduction
Glue is electrically connected with the conductive layer；In another embodiment, second connection end described in a portion is conductive by second
Glue is directly electrically connected with the conductive layer, and second connection end described in another part is by being directly electrically connected with the conductive layer
Second connection end is electrically connected indirectly with the conductive layer.In one embodiment, the institute being directly connected to the conductive layer
It states second connection end and second connection end being indirectly connected with the conductive layer and passes through the second conductive glue connection.?
In one embodiment, the conducting resinl is conductive silver paste；In one embodiment, first conducting resinl and the second conducting resinl are to lead
Electric silver paste.By manual type, conductive silver paste is added dropwise in the position that needs are electrically connected.
In one of the embodiments, as depicted in figs. 1 and 2, the second substrate is used to connect with flexible circuit board 600
It connects, the first connecting line 220 and the second connecting line 225, first connecting line is also respectively provided in the second substrate 200
220 first end is electrically connected with first connection terminal 210, the second end of first connecting line 220 be used for it is described soft
Property circuit board 600 be electrically connected, the first end of second connecting line 225 is electrically connected with the second connection end sub 215, described the
The second end of two connecting lines 225 with the flexible circuit board 600 for being electrically connected.The flexibility in one of the embodiments,
Ground terminal is provided on circuit board, first connection terminal is used to connect with the ground terminal of the flexible circuit board, and
Second connection end is not connect with the ground terminal of the flexible circuit board；In another embodiment, the flexibility
Ground terminal is provided on circuit board, second connection end is used to connect with the ground terminal of the flexible circuit board, and described
First connection terminal is not connect with the ground terminal of the flexible circuit board.
The first connection terminal and second connection end are connect with flexible circuit board for convenience, wherein one embodiment
In, the second substrate has a binding region, and first connection terminal and second connection end are arranged at described the
The binding region of two substrates.Since the binding region of display panel is for installing driving chip and flexible circuit board, by by the
One connection terminal and second connection end are all set in the binding region of the second substrate, more convenient first connection terminal and second
Connection terminal is connect with flexible circuit board.
The first connection terminal and the sub two kinds of terminals of second connection end is set to be spaced apart from each other setting for convenience, wherein a reality
It applies in example, the binding region has opposite first end and second end, and first connection terminal is located at the binding region
First end, second connection end is located at the second end of the binding region.Wherein, the first end of the binding region and
Second end refers to the equal end intersected with the first substrate adjacent to the side of the second substrate, rather than with the first substrate
The adjacent and opposite end in the side of the neighbouring the second substrate.By the way that the first connection terminal and second connection end are set respectively
The both ends opposite in binding region are set, the first connection terminal and the sub two kinds of terminals of second connection end is conveniently made to be spaced apart from each other setting,
It avoids accidentally that the first connection terminal and second connection end is straight when putting conducting resinl on the first connection terminal or second connection end
It is connected together in succession, thus the resistance in the circuit being unable to test between the first connection terminal and second connection end.
Driving chip is set in the second substrate for convenience, in one of the embodiments, as shown in Figure 1, described the
Two substrates 200 are provided with installation position 500, and the installation position 500 is for installing driving chip, 210 He of the first connection terminal
Second connection end 215 is located at the two sides of the installation position 500.It is convenient by the way that installation position is arranged in the second substrate
Driving chip is set.In one embodiment, the second substrate has binding region, and the installation position is located at the binding area
Domain.
In one embodiment, the display panel is detected using detection device；Wherein, when detection, described first
One in connection terminal and second connection end is electrically connected with the detection device, first connection terminal and described
Another in second connection end is for being grounded.
As shown in figures 1 and 3, first connection terminal 210 passes through the first conducting resinl 410 and 110 electricity of conductive layer
Connection, second connection end 215 is electrically connected by the second conducting resinl 415 with the conductive layer 110, by conductive layer 110 etc.
Effect is resistance R0, and the first conducting resinl 410 is equivalent to resistance R21, the second conducting resinl 415 is equivalent to resistance R22, then resistance
R0, resistance R21 and resistance R22, which are sequentially connected, constitutes a concatenated test circuit.In this way, can finally be surveyed by using detection device
The resistance value of the test circuit is tried, and can determine whether conductive layer, the first connection terminal and second of display panel by the resistance value
It is bad whether the connection between connection terminal occurs, more convenient to the detection of the bad problem of display panel.
In one embodiment, as shown in figure 3, being examined using detection device and a detection resistance R to the display panel
It surveys, the detection device has analog-digital converter, wherein when detection, first connection terminal and second connection end
In one be electrically connected respectively with the detection resistance R and the analog-digital converter, first connection terminal and described second
Another in connection terminal is for being grounded.In this way, after will test resistance R and connect with power vd D, using the electricity of known voltage
Source VDD gives test loop power supply, and is divided using the resistance R of known resistance value, when measuring the test circuit by analog-digital converter
Voltage after, it is assumed that measure circuit voltage be VIN, the resistance for testing circuit is set as RX, then obtaining public affairs according to voltage divider principle
Formula IV N/Rx=(VDD-VIN)/R, then Rx=VIN*R/ (VDD-VIN), can calculate the resistance value size of Rx.
Further, as shown in figures 1 and 3, in one embodiment, the second substrate is used for and flexible circuit board 600
It connects, is also respectively provided with the first connecting line 220 and the second connecting line 225, first connecting line in the second substrate 200
220 first end is electrically connected with first connection terminal 210, the second end of first connecting line 220 be used for it is described soft
Property circuit board 600 be electrically connected, the first end of second connecting line 225 is electrically connected with the second connection end sub 215, described the
The second end of two connecting lines 225 with the flexible circuit board 600 for being electrically connected, first connecting line and second connection
One in line is electrically connected with the detection device, another in first connecting line and second connecting line is for connecing
Ground.
First connecting line 220 is equivalent to resistance R11, the second connecting line 225 is equivalent to resistance R12, then resistance R0, electricity
Resistance R21, resistance R22, resistance R11 and resistance R12, which are sequentially connected, constitutes a concatenated test circuit.In this way, above-mentioned display panel
Detection system, the resistance value of the test circuit can be finally tested by using detection device, and can determine whether by the resistance value
The conductive layer of display panel, the first connection terminal, second connection end, the connection between the first connecting line and the second connecting line are
No appearance is bad, more convenient to the detection of the bad problem of display panel.
In one embodiment, as shown in figure 3, one in first connecting line and second connecting line respectively with institute
Detection resistance and analog-digital converter electrical connection are stated, another in first connecting line and second connecting line is used for
Ground connection.In this way, give test loop to power using the power vd D of known voltage after will test resistance R and connect with power vd D, and
It is divided using the resistance R of known resistance value, after measuring the voltage of the test circuit by analog-digital converter, it is assumed that measure circuit
Voltage is VIN, and the resistance for testing circuit is set as RX, then formula VIN/Rx=(VDD-VIN)/R is obtained according to voltage divider principle, that
Rx=VIN*R/ (VDD-VIN) can calculate the resistance value size of Rx.
In one embodiment, the application also provides a kind of display device, and the display device includes flexible circuit board and such as
Display panel described in upper any embodiment, the flexible circuit board are connect with the second substrate, on the flexible circuit board
It is provided with the first golden finger and the second golden finger, first connection terminal is electrically connected with first golden finger, and described second
Connection terminal is electrically connected with second golden finger.
Above-mentioned display device, by the way that the first connection terminal and the sub two kinds of terminals of second connection end are arranged on a display panel,
And the first connection terminal and second connection end is set to be spaced apart from each other setting, and the first connection terminal and second connection end are distinguished
Connect with conductive layer, and the first connection terminal connect with the first golden finger on flexible circuit board, second connection end with it is soft
Property circuit board on the second golden finger connection.Thus it is possible, on the one hand, the first golden finger and the second golden finger may finally be used to connect
Ground, so that display device can pass through conductive layer, the first connection terminal, second connection end, the first golden finger and the second golden finger
Carrying out Electro-static Driven Comb prevents damage by static electricity to shield the inside of display device；On the other hand, due to conductive layer, the first connection
Terminal, second connection end can form one group of test circuit between the first golden finger and the second golden finger, make the first golden finger and
One of golden finger of second golden finger is grounded or connecting test device, another terminal connecting test device pass through test
Device can test out the resistance value of the test circuit, and conductive layer, the conductive layer and of display device are judged by resistance value
Connection, the first connection terminal between one connection terminal and second connection end and the connection between the first golden finger and the second company
It is bad whether the connection between connecting terminal and the second golden finger occurs, more convenient to the detection of the bad problem of display device.
In order to be more convenient for understanding the application, the display device of the application is described further with reference to the accompanying drawing.Such as
Shown in Fig. 1 and Fig. 2, a kind of display device includes flexible circuit board 600 and display panel, the flexible circuit board and described second
Substrate connection, the display panel include first substrate 100 and the second substrate 200 that is set on the first substrate 100；Institute
It states first substrate 100 and is provided with conductive layer 110 on one side far from the second substrate 200；The second substrate 200 be provided with to
Few first connection terminal 210 and at least one second connection end 215, first connection terminal 210 and described second
Connection terminal 215 is spaced apart from each other setting, and first connection terminal 210 and second connection end 215 respectively with it is described
Conductive layer 110 is electrically connected；It is provided with the first golden finger 620 and the second golden finger 625 on the flexible circuit board 600, described
One connection terminal 210 is electrically connected with first golden finger 620, second connection end 215 and second golden finger 625
Electrical connection.In one embodiment, the second substrate has binding region, and the display panel is connect with the flexible circuit board
Part be located at the binding region.
It should be noted that when the quantity of the first connection terminal is multiple, first connection terminal and described first
Golden finger electrical connection can be each first connection terminal and directly be electrically connected respectively with first golden finger, be also possible to each
First connection terminal is electrically connected with first golden finger indirectly respectively, equally, when the quantity of second connection end is more
When a, second connection end be electrically connected with second golden finger can be each second connection end respectively directly with
The second golden finger electrical connection, is also possible to each second connection end and is electrically connected indirectly with second golden finger respectively
It connects.As long as being able to achieve each first connection terminal and first golden finger and second connection end and second gold medal
Connection of the finger in terms of circuit, all this application claims in the range of.
The quantity of first connection terminal is multiple in one of the embodiments, each first connection terminal point
It is not electrically connected with first golden finger；The quantity of first connection terminal is multiple in one of the embodiments, wherein
A part of first connection terminal is directly electrically connected with first golden finger, and the first connection terminal described in another part passes through
It is electrically connected indirectly with first connection terminal that the conductive layer is directly electrically connected with first golden finger.One wherein
In embodiment, the quantity of second connection end be it is multiple, each second connection end respectively with second golden finger
Electrical connection；The quantity of second connection end is multiple in one of the embodiments, the second connection described in a portion
Terminal is directly electrically connected with second golden finger, and second connection end described in another part passes through directly electric with the conductive layer
Second connection end of connection is electrically connected indirectly with second golden finger.
In one of the embodiments, as depicted in figs. 1 and 2, the second substrate and the flexible circuit board 600 connect
It connects, the first connecting line 220 and the second connecting line 225, the second substrate 200 is also respectively provided in the second substrate 200
On be also respectively provided with the first connecting line 220 and the second connecting line 225, the both ends of first connecting line 220 respectively with it is described
First connection terminal 210 and first golden finger 620 electrical connection, the both ends of second connecting line 225 are respectively with described the
Two connection terminals 215 and second golden finger 625 electrical connection, i.e., the first end and described first of described first connecting line 220
Connection terminal 210 is electrically connected, and the second end of first connecting line 220 is electrically connected with first golden finger 620, and described second
The first end of connecting line 225 is electrically connected with second connection end 215, the second end of second connecting line 225 with it is described
The electrical connection of second golden finger 625.
In order to make display device can be with antistatic, first golden finger and described second in one of the embodiments,
One of them in golden finger is ground connection golden finger.The i.e. described first golden finger ground connection or second golden finger ground connection, but institute
Stating the first golden finger and second golden finger cannot be grounded simultaneously.It can also be interpreted as, first golden finger is described soft
The ground terminal of property circuit board；Or second golden finger is the ground terminal of the flexible circuit board.By making first gold medal
Finger or second golden finger ground connection, make display device can be with antistatic, and make the first golden finger and the second golden finger not
It is grounded simultaneously, avoids short circuit between the first golden finger and the second golden finger that from cannot testing between the first golden finger and the second golden finger
Resistance.In one embodiment, one of them in first golden finger and second golden finger is ground connection golden finger, institute
Another stated in the first golden finger and second golden finger is used to connect with the ground terminal of the mainboard of display device.It is i.e. final
First connection terminal, second connection end, the first golden finger and the second golden finger are used to be grounded, to prevent display device quilt
Damage by static electricity.
It is connect respectively with the second substrate and mainboard in order to facilitate flexible circuit board, in one of the embodiments, such as Fig. 1 institute
Show, is also respectively provided with third golden finger 230 and the 4th golden finger 235 on the flexible circuit board 600；The third golden finger
230 and the 4th golden finger 235 be arranged at the flexible circuit board 600 adjacent to one end of the second substrate 200, it is described
First golden finger 620 and second golden finger 625 are arranged at the flexible circuit board 600 far from the second substrate 200
One end；Each first connection terminal 210 is electrically connected by the third golden finger 230 and first golden finger 620 respectively
It connects, each second connection end 215 is electrically connected by the 4th golden finger 235 with second golden finger 625 respectively.This
In embodiment, the third golden finger 230 is connect with first golden finger 620, the 4th golden finger 235 and described second
Golden finger 625 connects.Further, first connection terminal 210 passes through first connecting line 220 and the third gold hand
Refer to 230 electrical connections, second connection end 215 is electrically connected by second connecting line 225 with the 4th golden finger 235
It connects.By the way that third golden finger and the 4th golden finger is arranged adjacent to one end of the binding region of the second substrate in flexible circuit board,
The first golden finger and the second golden finger is arranged in one end of binding region of the flexible circuit board far from the second substrate, so that flexible circuit
Conveniently pass through the first golden finger and the second golden finger when plate is arranged in the second substrate to be electrically connected with the circuit structure in the second substrate
It connects, conveniently passes through the circuit structure electricity on third golden finger and the 4th golden finger and mainboard when flexible circuit board is arranged on mainboard
Connection.
In one of the embodiments, as shown in Figure 1, being also respectively provided with third connection on the flexible circuit board 600
Line 610 and the 4th connecting line 615, the both ends of the third connecting line 610 respectively with first golden finger 620 and the third
Golden finger 230 be electrically connected, the both ends of the 4th connecting line 615 respectively with second golden finger 625 and the 4th gold medal hand
Refer to 235 electrical connections, i.e., one end of the described third connecting line 610 is connect with first golden finger 620, the other end and the third
Golden finger 230 connects, and one end of the 4th connecting line 615 is connect with second golden finger 625, the other end and the described 4th
Golden finger 235 connects.
Driving chip is set in the second substrate for convenience, in one of the embodiments, as shown in Figure 1, described the
Two substrates 200 are provided with installation position 500, and the installation position 500 is for installing driving chip, 210 He of the first connection terminal
Second connection end 215 is located at the two sides of the installation position 500.It is convenient by the way that installation position is arranged in the second substrate
Driving chip is set.In one embodiment, the second substrate has binding region, and the installation position is located at the binding area
Domain.
In one embodiment, the display device is detected using detection device；Wherein, when detection, described first
One in golden finger and second golden finger is electrically connected with the detection device, first golden finger and second gold medal
Another in finger is for being grounded.
As shown in Figure 1 and Figure 4, first golden finger 620 passes through the first connecting line 220 and first connection terminal
210 electrical connections, second golden finger 625 are electrically connected with second connection end 215 by the second connecting line 225, will be led
Electric layer 110 is equivalent to resistance R0, and it is R21 that the first conducting resinl 410, which is equivalent to resistance, and the second conducting resinl 415 is equivalent to resistance
R22, is equivalent to resistance R11 for the first connecting line 220, the second connecting line 225 is equivalent to resistance R12, then resistance R0, resistance
It is sequentially connected between R21, resistance R22, resistance R11 and resistance R12 and constitutes a concatenated test circuit.In this way, by using inspection
The resistance value of the test circuit can finally be tested by surveying device, and by the resistance value can determine whether display panel conductive layer, first
It is bad whether the connection between connection terminal, second connection end, the first golden finger and the second golden finger occurs, to display device
Bad problem detection it is more convenient.
In one embodiment, as shown in figure 4, being examined using detection device and a detection resistance R to the display device
It surveys, the detection device has analog-digital converter, wherein when detection, in first golden finger and second golden finger
One is electrically connected with the detection resistance R and the analog-digital converter respectively, first connection terminal and second connection
Another in terminal is for being grounded.In this way, after will test resistance R and connect with power vd D, using the power supply of known voltage
VDD gives test loop power supply, and is divided using the resistance R of known resistance value, when measuring the test circuit by analog-digital converter
After voltage, it is assumed that the voltage for measuring circuit is VIN, and the resistance for testing circuit is set as RX, then obtaining formula according to voltage divider principle
VIN/Rx=(VDD-VIN)/R, then Rx=VIN*R/ (VDD-VIN), can calculate the resistance value size of Rx.
Further, as shown in Figure 1 and Figure 4, in one embodiment, third is also respectively provided on the flexible circuit board
Golden finger and the 4th golden finger；The third golden finger and the 4th golden finger are arranged at the flexible circuit board adjacent to institute
One end of the second substrate is stated, first golden finger and second golden finger are arranged at the flexible circuit board far from described
One end of the second substrate；First connection terminal is electrically connected by the third golden finger with first golden finger, described
Second connection end is electrically connected by the 4th golden finger with second golden finger.Also divide on the flexible circuit board 600
Be not provided with third connecting line 610 and the 4th connecting line 615, the both ends of the third connecting line 610 respectively with first gold medal
Finger 620 and the third golden finger 230 electrical connection, the both ends of the 4th connecting line 615 respectively with second golden finger
625 and the 4th golden finger 235 electrical connection.
Third connecting line 610 is equivalent to resistance R31, the 4th connecting line 615 is equivalent to resistance R32, then resistance R0, electricity
Resistance R21, resistance R22, resistance R11, resistance R12, resistance R31 and resistance R32, which are sequentially connected, constitutes a concatenated test circuit.This
Sample can finally test the resistance value of the test circuit by using detection device, and can determine whether display panel by the resistance value
Conductive layer, the first connection terminal, second connection end, third golden finger, the 4th golden finger, the first connecting line, second connection
It is bad whether the connection between line, the first golden finger and the second golden finger occurs, to the detection of the bad problem of display panel compared with
For convenience.
In one embodiment, the display device has controller, the control of the detection device and the display device
Device connection.In one embodiment, the analog-digital converter is connect with the controller of the display device.Analog-digital converter passes through
SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) sends the resistance value Rx digital signal measured to aobvious
The controller of showing device is simultaneously compared judgement with the impedance restrictions of software set, is wanted with detecting whether Rx meets product specification
It asks.In one embodiment, the display device has display, and the controller is connect with the display.In this way, can will survey
Examination value is output on display and is shown, testing staff can intuitively know detected value, facilitates after finding the problem to open up
It begins to rehearse and looks into work.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes first substrate and is set on the first substrate
The second substrate；
The first substrate is provided with conductive layer far from the second substrate on one side；
The second substrate is provided with the first connection terminal and second connection end, and first connection terminal and described second connect
Connecting terminal is spaced apart from each other setting, and first connection terminal and second connection end are electrically connected with the conductive layer respectively
It connects.
2. display panel according to claim 1, which is characterized in that the second substrate has a binding region, and described the
One connection terminal and second connection end are arranged at the binding region of the second substrate.
3. display panel according to claim 2, which is characterized in that the binding region has opposite first end and the
Two ends, first connection terminal are located at the first end of the binding region, and second connection end is located at the binding area
The second end in domain.
4. display panel according to claim 1, which is characterized in that first connection terminal and the second connection end
Son is electrically connected by conducting resinl with the conductive layer respectively.
5. display panel according to claim 1, which is characterized in that the second substrate is provided with installation position, the peace
For installing driving chip, first connection terminal and second connection end are located at the two of the installation position for dress position
Side.
6. a kind of display device, which is characterized in that the display device includes any in flexible circuit board and claim 1 to 5
Display panel described in, the flexible circuit board are connect with the second substrate, are provided with first on the flexible circuit board
Golden finger and the second golden finger, first connection terminal are electrically connected with first golden finger, second connection end with
The second golden finger electrical connection.
7. display device according to claim 6, which is characterized in that in first golden finger and second golden finger
One of them for ground connection golden finger.
8. display device according to claim 6, which is characterized in that be also respectively provided with the first company in the second substrate
Wiring and the second connecting line, the both ends of first connecting line are electric with first connection terminal and first golden finger respectively
Connection, the both ends of second connecting line are electrically connected with second connection end and second golden finger respectively.
9. display device according to claim 6, which is characterized in that be also respectively provided with third on the flexible circuit board
Golden finger and the 4th golden finger；
The third golden finger and the 4th golden finger are arranged at the flexible circuit board adjacent to the one of the second substrate
End, first golden finger and second golden finger are arranged at one of the flexible circuit board far from the second substrate
End；
First connection terminal is electrically connected by the third golden finger with first golden finger, second connection end
It is electrically connected by the 4th golden finger with second golden finger.
10. display device according to claim 9, which is characterized in that be also respectively provided on the flexible circuit board
Three connecting lines and the 4th connecting line, the both ends of the third connecting line respectively with first golden finger and the third golden finger
Electrical connection, the both ends of the 4th connecting line are electrically connected with second golden finger and the 4th golden finger respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162923.XA CN109683374A (en) | 2019-03-05 | 2019-03-05 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910162923.XA CN109683374A (en) | 2019-03-05 | 2019-03-05 | Display panel and display device |
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| CN109683374A true CN109683374A (en) | 2019-04-26 |
Family
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| CN201910162923.XA Pending CN109683374A (en) | 2019-03-05 | 2019-03-05 | Display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930896A (en) * | 2019-11-26 | 2020-03-27 | Tcl华星光电技术有限公司 | Display panel |
| CN110969972A (en) * | 2019-12-27 | 2020-04-07 | Tcl华星光电技术有限公司 | Display panel detection method and device, controller and storage medium |
| CN112834953A (en) * | 2020-12-29 | 2021-05-25 | 深圳市信维通信股份有限公司 | PEP vibrator preparation process |
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| CN204009273U (en) * | 2014-06-23 | 2014-12-10 | 上海天马微电子有限公司 | The pick-up unit of a kind of electrostatic prevention display device and electrostatic prevention display device |
| US20150241745A1 (en) * | 2014-02-27 | 2015-08-27 | Mitsubishi Electric Corporation | Liquid crystal display |
| CN107369402A (en) * | 2017-07-19 | 2017-11-21 | 武汉天马微电子有限公司 | A kind of display panel, its detection method and display device |
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| US20150241745A1 (en) * | 2014-02-27 | 2015-08-27 | Mitsubishi Electric Corporation | Liquid crystal display |
| CN204009273U (en) * | 2014-06-23 | 2014-12-10 | 上海天马微电子有限公司 | The pick-up unit of a kind of electrostatic prevention display device and electrostatic prevention display device |
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| CN110930896A (en) * | 2019-11-26 | 2020-03-27 | Tcl华星光电技术有限公司 | Display panel |
| CN110969972A (en) * | 2019-12-27 | 2020-04-07 | Tcl华星光电技术有限公司 | Display panel detection method and device, controller and storage medium |
| CN112834953A (en) * | 2020-12-29 | 2021-05-25 | 深圳市信维通信股份有限公司 | PEP vibrator preparation process |
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