CN104157250B - Display device and preparation method thereof - Google Patents
Display device and preparation method thereof Download PDFInfo
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- CN104157250B CN104157250B CN201410360035.6A CN201410360035A CN104157250B CN 104157250 B CN104157250 B CN 104157250B CN 201410360035 A CN201410360035 A CN 201410360035A CN 104157250 B CN104157250 B CN 104157250B
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- gate driving
- driving circuit
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- display device
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Abstract
The present invention provides a kind of display device and preparation method thereof, the utilization rate of display area can be improved in the case where gate driving circuit damages, to reduce the production cost of display device.Display device in the present invention includes display module, the display module includes display panel and gate drivers, wherein the gate drivers include gate driving substrate, with the gate driving circuit being arranged on the gate driving substrate, the gate driving circuit is electrically connected with the display panel.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of production method of display device and display device.
Background technique
Thin Film Transistor-LCD (Thin film transistor liquid crystal display, TFT-
LCD it) due to its high-quality image quality, the advantages that low-power and Low emissivity, is widely applied.Wherein, gate driving on substrate
(Gate on Array, the GOA) representative of technology as new technology, simultaneously by the structure of gate driving circuit 1 and display area 2
It is prepared, saves material and reduces processing step.Gate driving circuit 1 and display area 2 in liquid crystal display device at present
Structure each displacement for being integrated on same glass substrate 3 (as shown in Figure 1), in such gate driving circuit 1 simultaneously post
The output signal of storage unit 11 is transmitted directly to display area, drives the display of a line.Each shift register cell 11
Input signal includes voltage signal Vss, clock signal clk and CLKB, initial signal STV etc., and output signal is transferred to viewing area
Domain 2, the scanning signal as a line.But due to the complexity of 1 structure of gate driving circuit, it is easy in manufacture craft
It is existing bad, cause monolith liquid crystal display panel not to be available, waste display area, to increase production cost.
Summary of the invention
The purpose of the present invention is to provide a kind of display devices and preparation method thereof, can damage in gate driving circuit
In the case of improve display area utilization rate, to reduce the production cost of display device.
To achieve the goals above, the present invention provides a kind of display device, including display module, which includes aobvious
Show panel and gate drivers, wherein the gate drivers include gate driving substrate, and are arranged in the gate driving base
Gate driving circuit on plate, the gate driving circuit are electrically connected with the display panel.
Preferably, it is provided with the gate driving circuit and described between the gate drivers and the display panel
The connection unit of display panel electrical connection.
Preferably, the connection unit includes flexible printed circuit board or flexible flat cable.
Preferably, the display panel includes array substrate, and the connection unit is connected to the array substrate and described
Between gate driving circuit.
Preferably, between the gate driving substrate and the connection unit and the array substrate and the connection
Conducting resinl is provided between unit.
Preferably, a plurality of grid line is provided in the array substrate, the gate driving circuit includes multiple shift LDs
Device unit, the output end of the shift register cell are connected with corresponding grid line.
Correspondingly, the present invention also provides a kind of production methods of display device, including：
Display module is formed, which includes display panel and gate drivers, and the gate drivers include grid
Pole drive substrate, and the gate driving circuit being arranged on the gate driving substrate, the gate driving circuit are shown with described
Show that panel is electrically connected.
Preferably, the step of formation display module includes：
Bottom plate is provided；
The figure including thin film transistor (TFT) and grid line is formed on the bottom plate, and forms the figure of gate driving circuit
Shape；
By the bottom plate corresponding to the region of the thin film transistor (TFT) and corresponding to the region disconnecting of gate driving circuit,
Wherein, the region corresponding to gate driving circuit of the bottom plate is formed as gate driving substrate.
Preferably, the step of formation display module further includes：It is formed between display panel and gate driving circuit
The connection unit that gate driving circuit and display panel are electrically connected.
Preferably, the connection unit includes flexible printed circuit board or flexible flat cable.
Preferably, the display panel includes array substrate, described to be formed between display panel and gate driving circuit
Include by the step of gate driving circuit and connection unit of display panel electrical connection：
In the array substrate and conducting resinl is coated on the gate driving substrate；
The side of the connection unit is connected with the conducting resinl in the array substrate, the other side and the gate driving
Conducting resinl on substrate is connected.
Preferably, the figure of the gate driving circuit includes the figure of multiple shift register cells, and the displacement is posted
The output end of storage unit is connected with corresponding grid line.
As can be seen that gate drivers and display panel separate, gate driving circuit is arranged on gate driving substrate,
Therefore, when gate driving circuit occurs bad, the gate driving substrate for being provided with gate driving circuit is only needed to change, and
Display panel is unaffected, to improve the yield of display device, reduces cost, improves driving effect.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Shown in FIG. 1 is the structural schematic diagram of display device in the prior art；
Shown in Fig. 2 is the structural schematic diagram of display device provided by an embodiment of the present invention；
Wherein, appended drawing reference is：
1, gate driving circuit；11, shift register cell；2, display area；3, glass substrate；4, gate driving base
Plate；5, connection unit；6, array substrate；7, grid line.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As an aspect of of the present present invention, a kind of display device, including display module are provided, which includes display surface
Plate and gate drivers as shown in Fig. 2, the gate drivers include gate driving substrate 4, and are arranged in gate driving substrate
Gate driving circuit 1 on 4, gate driving circuit 1 are electrically connected with the display panel.
In the present invention, gate drivers and display panel separate, and gate driving circuit 1 is arranged in gate driving substrate
On 4, therefore, when gate driving circuit 1 occurs bad, the gate driving substrate 4 for being provided with gate driving circuit 1 is only needed to change
, and display panel is unaffected, to improve the yield of display device, reduces cost, improves driving effect.It is carrying out newly
When the exploitation of product, since the structure of gate driving circuit 1 is complex, thus setting for gate driving circuit 1 can be first carried out
Meter, and the test device group (test element group, TEG) of gate driving circuit 1 is made, when test gate driving circuit
1 without bad phenomenon when, gate driving circuit 1 is electrically connected with display panel, to reduce development cost.
Specifically, as shown in Fig. 2, gate driving circuit 1 may include multiple shift register cells 11, multiple displacements are posted
Storage unit 11 can receive control signal, and successively export high level to display panel according to the control signal, so that aobvious
Show that each row pixel unit on panel is successively shown.
As a kind of specific embodiment of the invention, as shown in Fig. 2, the gate drivers and the display panel it
Between be provided with by gate driving circuit 1 and display panel electrical connection connection unit 5.
Specifically, connection unit 5 may include flexible printed circuit board (FPC) or flexible flat cable (FFC).
The display panel includes that array substrate 6, gate driving circuit 1 and array substrate 6 are electrically connected by connection unit 5
It connects, when connection unit 5 includes flexible printed circuit board, the flexible printed circuit board is connected to array substrate 6 and grid drives
Between dynamic circuit 1；When the connection unit includes flexible flat cable, the flexible flat cable is connected to array substrate 6
Between gate driving circuit 4.
Preferably, between gate driving substrate 4 and the flexible printed circuit board and array substrate 6 and the flexibility
It is provided with conducting resinl between printed circuit board, such as Anisotropically conductive glue film (Anisotropic Conductive Film,
ACF)；Or between gate driving substrate 4 and the flexible flat cable and the array substrate and the flexible flat cable
Between be provided with conducting resinl, to improve the good of the binding flexible printed circuit board or the binding flexible flat cable
Rate.
Bonding pad can be set in array substrate 6 and on gate driving substrate 4, is coated on the bonding pad conductive
Glue is additionally provided with a plurality of grid line 7 in array substrate 6, and a plurality of grid line 7 can be connected with the conducting resinl in array substrate 6, and grid drives
Dynamic circuit 1 includes multiple shift register cells 11, and the output end of multiple shift register cells 11 can be with gate driving base
Conducting resinl on plate 4 is connected, and by connection unit 5 output end of shift register cell 11 is connected with corresponding grid line 7.
Multiple shift register cells 11 carry out displacement output according to control signal, that is, high level are sequentially output, to successively sweep
A plurality of grid line 7 is retouched, to successively light each row pixel unit of display panel, realizes row scanning.
The present invention is not especially limited the relative position of display panel and gate driving substrate 4, can be filled according to display
The specific structure set is configured the position of display panel and gate drivers, for example, when the frame of display device is wider,
Gate driving substrate 4 and display panel can be arranged in the same plane；When the frame of display device is relatively narrow, grid can be made
0 °~90 ° of angle is formed between pole drive substrate 4 and display panel, to realize the design of narrow frame.Preferably, drive grid
0 ° of angle is formed between dynamic substrate 4 and display panel, so that gate driving substrate 4 is fully located at after display panel, real
The design of existing narrow frame.
In the present invention, the display device can be：Mobile phone, tablet computer, television set, display, laptop,
Any products or components having a display function such as Digital Frame, navigator.Certainly, in addition to above-mentioned display module, the display
Device can also include other conventional structures, such as power module, backlight etc..
The above are the descriptions of display device provided by the present invention, it can be seen that gate drivers and display panel separate
Therefore setting when gate driving circuit occurs bad, only needs to change gate driving circuit, to improve display device
Yield, reduce the production cost of display device.
As another aspect of the present invention, a kind of production method of display device is provided, including：
Display module is formed, which includes display panel and gate drivers, and the gate drivers include grid
Pole drive substrate, and the gate driving circuit being arranged on the gate driving substrate, the gate driving circuit are shown with described
Show that panel is electrically connected.
As a kind of specific embodiment of the invention, the step of formation display module, be can specifically include：
Bottom plate is provided, which can be made by organic material, such as epoxy resin material；It can also be by inorganic material
Production, such as glass；
The figure including thin film transistor (TFT) and grid line is formed on the bottom plate, and being formed includes gate driving circuit
Figure；
By the region corresponding to the thin film transistor (TFT) of the bottom plate and the region cutting corresponding to gate driving circuit
It opens, wherein the region corresponding to gate driving circuit of the bottom plate is formed as gate driving substrate.
Since gate driving circuit is identical with the production method of component structure in array substrate, it can be thin in formation
Gate driving circuit is formed while film transistor and grid line, then cuts the bottom plate open, to form display panel
Array substrate and gate drivers.Certainly, the figure of gate driving circuit and thin film transistor (TFT) can also be on different substrates
It is formed simultaneously.The step of two kinds of production methods are compared, and the method using two different substrates is relatively simple, eliminate cutting；
The accuracy for being formed simultaneously the figures such as gate driving circuit and thin film transistor (TFT), example can be improved using the method for the same substrate
Such as, influence of the relative offset between two different substrates to production figure when can be prevented.
Further, the step of formation display module further includes：Between display panel and gate driving circuit
Form the connection unit for being electrically connected gate driving circuit and display panel.
Specifically, the connection unit includes flexible printed circuit board or flexible flat cable.Display panel and grid drive
Dynamic circuit is electrically connected by the flexible printed circuit board or flexible flat cable.
Further, the display panel includes array substrate, described between display panel and gate driving circuit
The step of forming the connection unit by gate driving circuit and display panel electrical connection specifically includes：
Shape between display panel and the gate driving circuit in the array substrate and on the gate driving substrate
Include at connection unit：
In the array substrate and conducting resinl is coated on the gate driving substrate；
The side of the connection unit is connected with the conducting resinl in the array substrate, the other side and the gate driving
Conducting resinl on substrate is connected.
It should be noted that coating conducting resinl is not by battle array in the array substrate and on the gate driving substrate
The whole region of column substrate and gate driving substrate is coated with conducting resinl, but in the region where gate driving circuit output end
And in array substrate input signal region coating conducting resinl so that gate driving circuit is connected with grid line.
Specifically, the figure of the gate driving circuit includes the figure of multiple shift register cells, and the grid moves
The output end of bit register unit is connected by connection unit with corresponding grid line, and scanning signal is input to each grid line.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a kind of display device, including display module, which includes display panel and gate drivers, and the grid drives
Dynamic device is GOA circuit, which is characterized in that the display panel and the gate drivers are formed on same bottom plate, and to institute
Bottom plate carries out cutting separation, so that the display panel is located on different substrates from the gate driving circuit, wherein described
Gate drivers include gate driving substrate, and the gate driving circuit being arranged on the gate driving substrate, the grid
Driving circuit is electrically connected with the display panel, and the display panel and the gate drivers are separately positioned.
2. display device according to claim 1, which is characterized in that between the gate drivers and the display panel
It is provided with the connection unit of the gate driving circuit and display panel electrical connection.
3. display device according to claim 2, which is characterized in that the connection unit include flexible printed circuit board or
Flexible flat cable.
4. display device according to claim 2, which is characterized in that the display panel includes array substrate, the company
Order member is connected between the array substrate and the gate driving circuit.
5. display device according to claim 4, which is characterized in that the gate driving substrate and the connection unit it
Between and the array substrate and the connection unit between be provided with conducting resinl.
6. display device according to claim 4, which is characterized in that be provided with a plurality of grid line, institute in the array substrate
Stating gate driving circuit includes multiple shift register cells, the output end of the shift register cell and corresponding grid line phase
Even.
7. a kind of production method of display device, which is characterized in that including：
Display module is formed, which includes display panel and gate drivers, and the gate drivers are GOA circuit,
The gate drivers include gate driving substrate, and the gate driving circuit being arranged on the gate driving substrate, described
Gate driving circuit is electrically connected with the display panel, and the display panel and the gate drivers are separately positioned；
The step of formation display module includes：
Bottom plate is provided；
The figure including thin film transistor (TFT) and grid line is formed on the bottom plate, and forms the figure of gate driving circuit；
By being cut corresponding to the region of the thin film transistor (TFT) and the region corresponding to gate driving circuit for the bottom plate
Separation, wherein the region corresponding to gate driving circuit of the bottom plate is formed as gate driving substrate.
8. the production method of display device according to claim 7, which is characterized in that the step of the formation display module
Further include：The connection list for being electrically connected gate driving circuit and display panel is formed between display panel and gate driving circuit
Member.
9. the production method of display device according to claim 8, which is characterized in that the connection unit includes flexible print
Printed circuit board or flexible flat cable.
10. the production method of display device according to claim 8, which is characterized in that the display panel includes array
Substrate, it is described that the connection for being electrically connected gate driving circuit and display panel is formed between display panel and gate driving circuit
The step of unit includes：
In the array substrate and conducting resinl is coated on the gate driving substrate；
The side of the connection unit is connected with the conducting resinl in the array substrate, the other side and the gate driving substrate
On conducting resinl be connected.
11. the production method of display device according to claim 7, which is characterized in that the figure of the gate driving circuit
Shape includes the figure of multiple shift register cells, and the output end of the shift register cell is connected with corresponding grid line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360035.6A CN104157250B (en) | 2014-07-25 | 2014-07-25 | Display device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360035.6A CN104157250B (en) | 2014-07-25 | 2014-07-25 | Display device and preparation method thereof |
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| CN104157250A CN104157250A (en) | 2014-11-19 |
| CN104157250B true CN104157250B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410360035.6A Active CN104157250B (en) | 2014-07-25 | 2014-07-25 | Display device and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297639B (en) * | 2016-09-27 | 2019-05-21 | 上海天马微电子有限公司 | Cuttable shift register unit and gate drive circuit comprising same |
| CN110221461B (en) * | 2019-05-29 | 2021-07-06 | 惠科股份有限公司 | Display device and control circuit board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819488A (en) * | 2009-02-27 | 2010-09-01 | 北京汇冠新技术股份有限公司 | Circuit board for infrared touch screen and infrared touch screen |
| CN103745707A (en) * | 2013-12-31 | 2014-04-23 | 深圳市华星光电技术有限公司 | Method for compensating resistance of gate driving circuit signal line and liquid crystal display panel using method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718989B2 (en) * | 1988-05-25 | 1995-03-06 | スタンレー電気株式会社 | Liquid crystal display device for projection |
| KR100350650B1 (en) * | 2000-11-23 | 2002-08-29 | 삼성전자 주식회사 | Liquid crystal display device |
| CN1243273C (en) * | 2002-09-17 | 2006-02-22 | 友达光电股份有限公司 | Display panel with improved electricity connection by by-pass wiring |
| CN100433118C (en) * | 2005-03-31 | 2008-11-12 | 奇景光电股份有限公司 | Recognition apparatus and method for source driver of chip-on-glass packaged liquid crystal display |
| TWI607267B (en) * | 2012-11-26 | 2017-12-01 | 元太科技工業股份有限公司 | Flexible display apparatus and manufacturing method thereof |
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2014
- 2014-07-25 CN CN201410360035.6A patent/CN104157250B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819488A (en) * | 2009-02-27 | 2010-09-01 | 北京汇冠新技术股份有限公司 | Circuit board for infrared touch screen and infrared touch screen |
| CN103745707A (en) * | 2013-12-31 | 2014-04-23 | 深圳市华星光电技术有限公司 | Method for compensating resistance of gate driving circuit signal line and liquid crystal display panel using method |
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| CN104157250A (en) | 2014-11-19 |
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