CN1571622A - Separately controlled printed circuit board - Google Patents
Separately controlled printed circuit board Download PDFInfo
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- CN1571622A CN1571622A CN 03178471 CN03178471A CN1571622A CN 1571622 A CN1571622 A CN 1571622A CN 03178471 CN03178471 CN 03178471 CN 03178471 A CN03178471 A CN 03178471A CN 1571622 A CN1571622 A CN 1571622A
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- circuit board
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- circuit plate
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Abstract
The invention discloses a separate type control printed circuit board using for display plate, including the main circuit plate and the subsidiary circuit plate. The main circuit plate stations a control circuit for outputting control signal, and the subsidiary circuit utilizes flexible circuit plate, flexible drop-out plate line and linker to connect with main circuit plate. The subsidiary circuit utilizes TCP of tape coiling type or flexible circuit plate to connect with display plate, and the line on the subsidiary circuit plate can transport or magnify the control signal of main circuit plate to display plate. The invention only need changing the main circuit plate's design to achieve modularization, the assemble package is easy and can saving time, and it does not need designing differ implement to match differ circuit plate to bear the weight.
Description
Technical field
The invention relates to a kind of separate type control printed circuit board, and particularly about a kind of separate type control printed circuit board that can be applicable to display floater.
Background technology
Control printed circuit board (Printed Circuit Board, PCB) be all information electronic products indispensable basic comprising important document, act on to install and be used as main supporting body when pegging graft various electronics spare part, major function is with various electronics spare parts, circuit design by control printed circuit board, reach the purpose of relay transmission, the function of every spare part is brought into play.
Control printed circuit board can see through as flexible circuit board (Flexible Printing Circuit board, FPC), coil type carrier package part (Tape Carrier Package, TCP) or flexible flat cable (FFC) etc. be electrically connected to other substrate or interface.With the LCD MODULE is example, source electrode control printed circuit board (Source PCB) can see through the glass substrate that TCP is connected to a display panels, and the general glass substrate that then sees through flexible circuit board and display panels of grid control printed circuit board (Gate PCB) electrically connects.Yet, because the display floater specification difference of different vendor, conventional practice usually need be at the demand of the display floater of different vendor, and the assembly difference that for example is on the control printed circuit board to be carried or the shape of control printed circuit board are not equal, the control printed circuit board that development and Design is different.
Please refer to Fig. 1, Figure 1 shows that the schematic diagram of traditional monitor.LCD 10 comprises one source pole control printed circuit board (Source PCB) 15 and a plurality of TCP 14, grid control printed circuit board (Gate PCB) 12 that is attached thereto and a plurality of flexible circuit boards (flexibleprinting circuit board, FPC) 17, one display floater 11 and a housing 13 that is attached thereto thereof.Source electrode control printed circuit board 15 is to utilize the TCP14 that is fixed on the display floater 11 to engage (bounding), and grid control printed circuit board 12 is to utilize the flexible circuit board 17 that is fixed on the display floater 11 to engage, and makes source electrode control printed circuit board 15 and grid control printed circuit board 12 can be electrically connected to display floater 11 respectively.Dispose control circuit on the source electrode control printed circuit board 15, in order to export a plurality of controlling signal.Disposing a chip for driving 14a on each TCP14, is via the display unit (not being shown among the figure) on a plurality of data wires (Data Line) driving display floater 11.Cabling on the flexible circuit board 17 is to display floater 11 in order to the output signal that transmits grid control printed circuit board 12.Housing 13 is in order to fixing and protect every assembly in it.
For in response to the different demands of different vendor to display floater, source electrode control printed circuit board 15 and grid control printed circuit board 12 that necessary development and Design is different, so bearing machine tool also will manufacture and design in addition, with fixing different sizes, difform source electrode control printed circuit board 15 and grid control printed circuit board 12.In addition, more renew facility after, must expend suitable man-hour again, adjust the position of facility, to improve the precision of assembling.
Even, owing to dispose chip for driving 14a on the TCP14, be to drive display floater 11 via a plurality of data wires, so at the different demands of different vendor to LCD resolution, the circuit layout (layout) that also will design different TCP14 cooperates the resolution of the display floater 11 of required different size.
In addition, because traditional employed source electrode control printed circuit board 15 is bigger with the area of grid control printed circuit board 12, source electrode control printed circuit board 15 and grid control printed circuit board 12 could be locked in display floater 11 rears behind bending flexible circuit board 17 or the TCP14 earlier during assembling.Because must bend flexible circuit board 17 and TCP14 in the assembling process, and flip displays panel 11, cause the cabling on flexible circuit board 17 and the TCP14 to produce the situation of fracture easily.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of detachable control printed circuit board.Utilization is separated into the mode of a main circuit plate and an auxiliary circuit board with each circuit board, at the specification demand of different vendor, can only change the design of main circuit plate, and auxiliary circuit board then can be a solid shape, fixed function.The present invention can reach modular purpose, demand at different vendor, the design that only need change the main circuit plate gets final product, and so can reach assembling and be easy to advantage and can also save man-hour, does not also need circuit board at different size to design different facility in addition and is carried.Auxiliary circuit board can be disposed at panel front when assembling, the necessary roll-over panels that has reduced conventional practice can be avoided the situation of TCP or flexible circuit board upward wiring fracture control printed circuit board is disposed at the action of back side of panel.
The present invention proposes a kind of separate type source electrode control printed circuit board that is applied to display floater, includes a main circuit plate and an auxiliary circuit board.Dispose control circuit on the main circuit plate, be used for exporting a plurality of controlling signal, and auxiliary circuit board electrically connects by a flexible circuit board, FFC or connector etc. and main source circuit plate.Auxiliary circuit board is to utilize at least one coil type packaging part (TapeCarrier Package, TCP) electrically connect with display floater, on TCP, dispose chip for driving, and the circuit on the auxiliary circuit board can transmit or amplify the controlling signal of main circuit plate to display floater.
The present invention proposes a kind of separable grid control printed circuit board (gatePCB) that is applied to display floater in addition, includes a main circuit plate and an auxiliary circuit board.Dispose control circuit on the main circuit plate, be used for exporting a plurality of controlling signal, and auxiliary circuit board electrically connects by a flexible circuit board, FFC or connector etc. and main grid circuit plate.Auxiliary circuit board utilizes flexible circuit board and display floater to electrically connect, and the circuit on the auxiliary circuit board is that this output signal is to be sent to display floater via flexible circuit board in order to the output signal of transmission or amplification main circuit plate.
At this, display floater can be low temperature polycrystalline silicon display panels, organic LED panel (OLED panel), liquid crystal display panel of thin film transistor (TFT-LCD panel) or plasma panel (PDP).
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1 shows that the schematic diagram of traditional monitor.
Fig. 2 A is depicted as the display part schematic diagram according to the first embodiment of the present invention.
Fig. 2 B is depicted as the display schematic diagram when main source circuit plate is not connected with auxiliary source polar circuit plate among Fig. 2 A.
Fig. 3 A is depicted as the display part schematic diagram according to the second embodiment of the present invention.
Fig. 3 B is depicted as the display schematic diagram when main grid circuit plate is not connected with the auxiliary grid circuit board among Fig. 3 A.
The 4th figure is depicted as the display part schematic diagram according to the third embodiment of the present invention.
Label declaration
10,20,30,40: LCD
11: display floater
12: the grid control printed circuit board
13: housing
14,24,44: coil type carrier package part
14a, 24a, 44a: chip for driving
15: the source electrode control printed circuit board
17,28,37,38,47,48,58: flexible circuit board
25,45: main source circuit plate
26,46: auxiliary source polar circuit plate
29,29A, 29B, 39,39A, 39B, 49,59: connector
32,42: main grid circuit plate
33,43: the auxiliary grid circuit board
Embodiment
The special design of the present invention one detachable control printed circuit board.The present invention uses and can allow each control printed circuit board be separable into the mode of a main circuit plate and an auxiliary circuit board, at the demand of different vendor, can only change the design of main circuit plate, reaches modular purpose.
First embodiment
Please refer to Fig. 2 A, its be depicted as is according to the display part schematic diagram of the first embodiment of the present invention.LCD 20 comprise the separate type control printed circuit board formed by a main source circuit plate 25 and an auxiliary source polar circuit plate 26, a grid control printed circuit board 12 and with a plurality of flexible circuit boards (FPC) that are connected 17, a display floater 11 and a housing 13.Dispose a control circuit on the main source circuit plate 25, be used for exporting controlling signal.Auxiliary source polar circuit plate 26 electrically connects by a plurality of flexible circuit boards 28 and main source circuit plate 25.And auxiliary source polar circuit plate 26 utilizes at least one TCP24 and display floater 11 to electrically connect, and the circuit on the auxiliary circuit board 26 can transmit or amplify the controlling signal of main circuit plate 25 to display floater 11.Dispose a chip for driving 24a on each TCP24, can drive the data wire (data line) of the display floater 11 of fixed number.In addition, configuration one resolution is adjusted chip (not being shown on the figure) adjusting the resolution of display floater 11 on main circuit plate 25, with the resolution of the display floater that cooperates the required different size of different vendor.
Grid control printed circuit board (gate PCB) 12 sees through a plurality of flexible circuit boards 17 and electrically connects with display floater 11.Cabling on the flexible circuit board 17 is to display floater 11 in order to the output signal that transmits grid control printed circuit board 12.Housing 13 is in order to fixing and protect every assembly in it.
The function of the circuit on the auxiliary source polar circuit plate 26 mainly is directly to be passed to display floater 11 or will to be sent to display floater 11 after the controlling signal amplification in order to the controlling signal with main source circuit plate 25 outputs.Therefore, the width of auxiliary circuit board 26 can be very little, for example less than 1cm.Therefore, auxiliary circuit board 26 can directly be disposed at the front of display when assembling, also configurable in display side, and do not need as conventional practice, source electrode control printed circuit board 15 can only be positioned over display floater 11 back sides because source electrode control printed circuit board 15 is excessive.
Be connected with connector (Connector) 29 with flexible circuit board 28 between main source circuit plate 25 and the auxiliary source polar circuit plate 26.Please refer to Fig. 2 B, it is depicted as the display schematic diagram when main source circuit plate 25 is not connected with auxiliary source polar circuit plate 26 among Fig. 2 A.When main source circuit plate 25 was not connected with auxiliary source polar circuit plate 26, an end of flexible circuit board 28 was to be engaged on the auxiliary source polar circuit plate 26, and the other end of flexible circuit board 28 then disposes connector 29A.Connector 29A can with mutual chimeric connection of the connector 29B on being disposed at main source circuit plate 25.Thus, the Assembly Action between main source circuit plate 25 and the auxiliary source polar circuit plate 26 can only be used manually two connectors, 29 chimeric getting final product, not the action that need need board to engage with facility as conventional practice.Yet, being connected between main source circuit plate 25 and the auxiliary source polar circuit plate 26 be not limited to use simultaneously flexible circuit board 28 and connector 29A and 29B can, also can only single use flexible circuit board 28 or connector 29 to reach purpose with main source circuit plate 25 and 26 electric connections of auxiliary source polar circuit plate.
In addition, except using flexible circuit board 27 is connected, also can use flexible flat cable (FFC) to connect between main source circuit plate 25 and the auxiliary source polar circuit plate 26.
Second embodiment
Separate type control printed circuit board of the present invention also can be applicable on the grid control printed circuit board.The grid control printed circuit board is separated into a main grid circuit plate and an auxiliary grid circuit board.Please refer to Fig. 3 A, it is depicted as the display part schematic diagram according to the second embodiment of the present invention.LCD 30 comprises by main grid circuit plate (Main Gate PCB) 32 and one an auxiliary grid circuit board (Auxiliary Gate PCB) 33 separable grid control printed circuit board of being formed, one source pole control printed circuit board (Source PCB) 15 and the TCP14 that is attached thereto, a display floater 11 and a housing 13.
Auxiliary grid circuit board 33 electrically connects by a plurality of flexible circuit boards 38 and main grid circuit plate 32, and auxiliary grid circuit board 33 also utilizes a plurality of flexible circuit boards 37 and display floater 11 to electrically connect.Circuit on the auxiliary grid circuit board 33 is in order to transmitting or to amplify the output signal of main grid circuit plate 32, and output signal is sent to display floater 11 via flexible circuit board 37.The width of auxiliary grid circuit board 33 is very little, for example less than 1cm, makes auxiliary grid circuit board 33 can directly be disposed at the display front, and is also configurable in display side, avoids the fracture of flexible circuit board 38 upward wirings.Housing 13 is in order to fixing and protect every assembly in it.
Be connected with connector (Connector) 39 with flexible circuit board 38 between main grid circuit plate 32 and the auxiliary grid circuit board 33.Please refer to Fig. 3 B, it is depicted as the display schematic diagram when main grid circuit plate 32 is not connected with auxiliary grid circuit board 33 among Fig. 3 A.When main grid circuit plate 32 was not connected with auxiliary grid circuit board 33, an end of flexible circuit board 38 was to be engaged on the auxiliary grid circuit board 33, and the other end of flexible circuit board 38 then disposes connector 39A.Connector 39A can with mutual chimeric connection of the connector 39B on being disposed at main grid circuit plate 32.Thus, the Assembly Action between main grid circuit plate 32 and the auxiliary grid circuit board 33 can only be used manually two connectors, 39 chimeric getting final product, not the action that need need board to engage with facility as conventional practice.Yet, being connected between main grid circuit plate 32 and the auxiliary grid circuit board 33 be not limited to use simultaneously flexible circuit board 38 and connector 39A and 39B can, also can only single use flexible circuit board 38 or connector 39 to reach purpose with main grid circuit plate 32 and 33 electric connections of auxiliary grid circuit board.
In addition, except using flexible circuit board 38 is connected, also can use flexible flat cable (FFC) to connect between main grid circuit plate 32 and the auxiliary grid circuit board 33.
The 3rd embodiment
A third embodiment in accordance with the invention, separate type control printed circuit board also can be applied on source electrode control printed circuit board and the grid control printed circuit board simultaneously.Please refer to the 4th figure, it is depicted as the display part schematic diagram according to the third embodiment of the present invention.A separable grid control printed circuit board, the flexible circuit board (FPC) 47 that is connected with auxiliary grid circuit board 43, the TCP44 that is connected with auxiliary source polar circuit plate 46, a display floater 11 and a housing 13 that the LCD 40 of the third embodiment of the present invention comprises the separate type source electrode control printed circuit board be made up of a main source circuit plate 45 and an auxiliary source polar circuit plate 46, is made up of a main grid circuit plate 42 and an auxiliary grid circuit board 43.
Main source circuit plate 45 is to electrically connect with auxiliary source polar circuit plate 46 by connector 59 and flexible circuit board 58, and main grid circuit plate 42 then is to electrically connect with auxiliary grid circuit board 43 by connector 49 and flexible circuit board 48.On the main source circuit plate 45 is to dispose control circuit, in order to export a plurality of controlling signal.Be to dispose a chip for driving 44a on each TCP44, can drive the data wire (data line) of the display floater 11 of fixed number.In addition, configuration one resolution is adjusted chip (not being shown on the figure) adjusting the resolution of display floater 11 on main source circuit plate 45, with the resolution of the display floater that cooperates the required different size of different vendor.Housing 13 is in order to fixing and protect every assembly in it.
Auxiliary source polar circuit plate 46 can be disposed at the display front simultaneously with auxiliary grid circuit board 43, thus, and can be by positive assembled display.The mode of assembling for example is earlier housing (bezel) 13 to be locked in auxiliary source polar circuit plate 46 and auxiliary grid circuit board 43.At this moment, TCP44 has been fixed in the housing 13.Then, again main source circuit plate 45 and main grid circuit plate 42 are connected on connector 59 and the connector 49, so that main source circuit plate 45 electrically connects with auxiliary source polar circuit plate 46 and auxiliary grid circuit board 43 respectively with main grid circuit plate 42.
Because housing 13 can directly be locked on auxiliary source polar circuit plate 46 and the auxiliary grid circuit board 43, can reach the effect of electrostatic defending.And TCP44 need not overturn, so the high-tension electrostatic effect that can avoid tradition to produce because of upset because can be earlier fixedly in the housing 13.So the present invention more can protect TCP44 effectively, avoids the chip for driving 44a on the TCP44 to damage because of high voltage static.
By three embodiment of the invention described above as can be known, use the disclosed separate type control printed circuit board of the present invention and have following advantage at least:
1. the present invention can reach modular purpose.A traditional control printed circuit board is divided into a main circuit plate and an auxiliary circuit board, and auxiliary circuit board and corresponding TCP thereof or flexible circuit board can modularizations.At the demand of different vendor, the design that only need change the main circuit plate gets final product, and so can reach assembling and be easy to advantage.The present invention can save man-hour, does not also need to design different facility in addition at the circuit board of different size.
2. the present invention can use the chip for driving of fixed number and fixed resolution, only need cooperate the resolution requirements of different vendor for different size, and configuration one resolution adjustment chip gets final product in addition on the main circuit plate.And be positioned at flexible circuit board that auxiliary circuit board is connected on chip for driving can be shared by the panel specification of different vendor.And the punch die on flexible circuit board (Punch die) processing procedure also can be different vendor and shares.The present invention can avoid need carrying out the shortcoming of different punch die processing procedures and can reach design reaching the target of oversimplifying easily at the different driving chip.
3. auxiliary circuit board width of the present invention can be very little, makes auxiliary circuit board can directly be disposed at the display front, and the present invention can avoid the situation of TCP or the fracture of flexible circuit board upward wiring.
4. the applied display floater of the present invention is applicable to various display floaters, as low temperature polycrystalline silicon display panels, organic LED panel (organic lighting emitting display, OLEDpanel), liquid crystal display panel of thin film transistor (TFT-LCD panel) or plasma panel (plasmadisplay panel, PDP) etc., especially be particularly suitable for the large scale display panel of television indicator.
In sum; though the present invention with three embodiment openly as above; right its is not in order to limit the present invention; any insider; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the accompanying Claim book person of defining.
Claims (15)
1. a separate type control printed circuit board is applied to a display floater, and this printed circuit board (PCB) comprises:
One main circuit plate is to dispose a control circuit on it, and this control circuit is a plurality of controlling signal of output; And
One auxiliary circuit board electrically connects with this main circuit plate;
Wherein, this auxiliary circuit board is to utilize at least one coil type packaging part and this display floater to electrically connect, dispose a chip for driving on this coil type packaging part, and the circuit on this auxiliary circuit board is to this display floater in order to those controlling signal of transmitting or amplifying this main circuit plate.
2. separate type control printed circuit board as claimed in claim 1, the width of this auxiliary circuit board is less than 1cm.
3. separate type control printed circuit board as claimed in claim 1, wherein this main circuit plate is a main source circuit plate, this auxiliary circuit board is an auxiliary source polar circuit plate.
4. separate type control printed circuit board as claimed in claim 1, wherein this chip for driving can drive the data wire of the display floater of fixed number, and configuration one resolution is adjusted the resolution of chip with the display floater of the required different size of cooperation different vendor on this main circuit plate.
5. separate type control printed circuit board as claimed in claim 1, wherein this display floater is to be selected from the group that is made up of a low temperature polycrystalline silicon display panels, an organic LED panel, a liquid crystal display panel of thin film transistor and a plasma panel.
6. separate type control printed circuit board as claimed in claim 1, wherein this main circuit plate and this auxiliary circuit board are to electrically connect by a flexible circuit board or flexible flat cable.
7. separate type control printed circuit board as claimed in claim 1, wherein this main circuit plate and this auxiliary circuit board are to electrically connect by a connector.
8. separate type control printed circuit board as claimed in claim 1, wherein dispose a plurality of connectors on the side of this main circuit plate, and this auxiliary circuit board is to be connected with at least one flexible circuit board, dispose a connector on every flexible circuit board, can be chimeric to electrically connect this main circuit plate and this auxiliary circuit board mutually with those connectors of this main circuit plate.
9. a separable grid control printed circuit board is applied to a display floater, and this printed circuit board (PCB) comprises:
One main circuit plate disposes a control circuit on it, this control circuit is exported a plurality of controlling signal; And
One auxiliary circuit board electrically connects with this main circuit plate;
Wherein, this auxiliary circuit board is to utilize at least one flexible circuit board and this display floater to electrically connect, and the circuit on this auxiliary circuit board is in order to transmitting or to amplify those output signals of this main circuit plate, and those output signals are to be sent to this display floater via this flexible circuit board.
10. separable grid control printed circuit board as claimed in claim 9, this auxiliary circuit board width is less than 1cm.
11. separable grid control printed circuit board as claimed in claim 9, wherein this main circuit plate is a main grid circuit plate, and this auxiliary circuit board is an auxiliary grid circuit board.
12. separable grid control printed circuit board as claimed in claim 9, wherein this display floater is to be selected from the group that is made up of a low temperature polycrystalline silicon display panels, an organic LED panel, a liquid crystal display panel of thin film transistor and a plasma panel.
13. separable grid control printed circuit board as claimed in claim 9, wherein this main circuit plate and this auxiliary circuit board are to electrically connect by a flexible circuit board or flexible flat cable.
14. separable grid control printed circuit board as claimed in claim 9, wherein this main circuit plate and this auxiliary circuit board are to electrically connect by a connector.
15. separable grid control printed circuit board as claimed in claim 9, wherein dispose a plurality of connectors on the side of this main circuit plate, and this auxiliary circuit board is to be connected with at least one flexible circuit board, dispose a connector on every flexible circuit board, can be chimeric to electrically connect this main circuit plate and this auxiliary circuit board mutually with those connectors of this main circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03178471 CN1571622A (en) | 2003-07-18 | 2003-07-18 | Separately controlled printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03178471 CN1571622A (en) | 2003-07-18 | 2003-07-18 | Separately controlled printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1571622A true CN1571622A (en) | 2005-01-26 |
Family
ID=34472774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03178471 Pending CN1571622A (en) | 2003-07-18 | 2003-07-18 | Separately controlled printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1571622A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7532478B2 (en) | 2005-04-06 | 2009-05-12 | Samsung Sdi Co., Ltd. | Plasma display module |
| CN1916715B (en) * | 2005-08-19 | 2010-06-09 | 奇美电子股份有限公司 | Liquid crystal display faceplate |
| CN102378465A (en) * | 2010-08-06 | 2012-03-14 | 康佳集团股份有限公司 | Combined type printed circuit board and television applying same |
| CN102036477B (en) * | 2009-09-24 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Printed circuit board combination |
| CN107544185A (en) * | 2017-09-25 | 2018-01-05 | 京东方科技集团股份有限公司 | Array base palte, display panel and display device |
| CN111261093A (en) * | 2020-03-25 | 2020-06-09 | Tcl华星光电技术有限公司 | Display panel |
-
2003
- 2003-07-18 CN CN 03178471 patent/CN1571622A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7532478B2 (en) | 2005-04-06 | 2009-05-12 | Samsung Sdi Co., Ltd. | Plasma display module |
| CN1916715B (en) * | 2005-08-19 | 2010-06-09 | 奇美电子股份有限公司 | Liquid crystal display faceplate |
| CN102036477B (en) * | 2009-09-24 | 2012-08-29 | 鸿富锦精密工业（深圳）有限公司 | Printed circuit board combination |
| CN102378465A (en) * | 2010-08-06 | 2012-03-14 | 康佳集团股份有限公司 | Combined type printed circuit board and television applying same |
| CN107544185A (en) * | 2017-09-25 | 2018-01-05 | 京东方科技集团股份有限公司 | Array base palte, display panel and display device |
| CN107544185B (en) * | 2017-09-25 | 2020-08-18 | 京东方科技集团股份有限公司 | Array substrate, display panel and display device |
| CN111261093A (en) * | 2020-03-25 | 2020-06-09 | Tcl华星光电技术有限公司 | Display panel |
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