CN203490437U - Flexible printed circuit board and OTP recording device - Google Patents

Flexible printed circuit board and OTP recording device Download PDF

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Publication number
CN203490437U
CN203490437U CN201320614328.3U CN201320614328U CN203490437U CN 203490437 U CN203490437 U CN 203490437U CN 201320614328 U CN201320614328 U CN 201320614328U CN 203490437 U CN203490437 U CN 203490437U
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CN
China
Prior art keywords
burning
printed circuit
circuit board
flexible printed
otp
Prior art date
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Expired - Lifetime
Application number
CN201320614328.3U
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Chinese (zh)
Inventor
马牟星
吴勃
扈映茹
邹志杰
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Tianma Microelectronics Co Ltd
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Tianma Microelectronics Co Ltd
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Priority to CN201320614328.3U priority Critical patent/CN203490437U/en
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Publication of CN203490437U publication Critical patent/CN203490437U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a flexible printed circuit board which comprises a body and a recording end. The recording end is located at one side of the body and connected with the body. A recording lead is arranged on the body, and a recording pin is arranged at the recording end. The recording pin is connected with the recording lead. In the flexible printed circuit board and an OTP recording device, the recording end used for OTP recording is arranged on the flexible printed circuit board, and therefore after OTP recording is finished, the recording end can be excised. Thus, due to the fact that the recording end used for OTP recording will not affect wiring of the flexible printed circuit board, when a liquid crystal display is assembled, insulating rubber tape does not need to be stuck to the flexible printed circuit board, and therefore manufacturing cost is reduced and production efficiency is improved.

Description

Flexible printed circuit board and OTP burning device
Technical field
The utility model relates to LCD Technology field, particularly a kind of flexible printed circuit board and OTP burning device.
Background technology
Liquid crystal display (LCD) is used widely as a kind of flat panel display device, and its display effect is subject to the impact of the matching of liquid crystal drive voltage and support chip output voltage.Because liquid crystal drive voltage is subject to process technology limit, can only be controlled in certain scope, therefore, liquid crystal display adopts One Time Programmable (OTP) burning to adjust the magnitude of voltage of its support chip output, to improve the consistance of liquid crystal display conventionally.In FOG manufacturing process, liquid crystal display comprises flexible printed circuit board (FPC) and display panels, wherein, on FPC, be provided with OTP testing weld pad, while carrying out OTP burning, OTP recording device carries out burning operation by OTP testing weld pad connecting fluid crystal display, and OTP testing weld pad is as contact point conducting OTP circuit.
Please refer to Fig. 1, the structural representation of its FPC that is prior art.As shown in Figure 1, the relative both sides of flexible printed circuit board 10 are respectively arranged with pressure connection terminal 11 and signal input part 12, and pressure connection terminal 11 is for being connected with display panels, and signal input part 12 is for connecting various signals and voltage.OTP testing weld pad 13 is between pressure connection terminal 11 and signal input part 12, for the contact point as OTP recording device.Between pressure connection terminal 11 and signal input part 12, be also placed with various circuits, comprise the burning lead-in wire being connected with OTP testing weld pad 13.One end of burning lead-in wire connects OTP testing weld pad 13, and the other end is positioned on pressure connection terminal 11.After FOG manufacturing process, pressure connection terminal 11 is crimped on display panels, and burning goes between and is connected the signal wire conducting that drives chip.Thus, OTP testing weld pad 13 is connected with the driving chip of liquid crystal display by burning lead-in wire.Because the copper of OTP testing weld pad 11 exposes, for fear of itself and other conductor contact, at surface coverage one deck insulating tape 14 of OTP testing weld pad 13.
Visible, in the flexible printed circuit board 10 of prior art, OTP testing weld pad 13 need to take certain position, makes the wiring very dense of flexible printed circuit board 10, and the size of flexible 4 printed circuit boards 10 also cannot reduce.Undersized liquid crystal display requires the size of flexible printed circuit board little equally, and flexible printed circuit board 10 cannot meet the product requirement of the liquid crystal display of smaller szie.And, need to be on the surface label of OTP testing weld pad 13 when assembling liquid crystal display insulating tape 14.This bonding process had not only increased material cost and cost of labor but also had affected production efficiency.
Base this, how to solve the problem that OTP testing weld pad in prior art affects FPC wiring and increases manufacturing process, become those skilled in the art's technical matters urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of flexible printed circuit board and OTP burning device, the problem that affects FPC wiring and increase manufacturing process to solve existing OTP testing weld pad.
For solving the problems of the technologies described above, the invention provides a kind of flexible printed circuit board, described flexible printed circuit board comprises: body and burning end;
Described burning end is positioned at a side of described body and is connected with described body;
On described body, be provided with burning lead-in wire, on described burning end, be provided with burning pin, described burning pin is connected with one end of described burning lead-in wire.
Optionally, in described flexible printed circuit board, also comprise: line of cut, described line of cut is between described burning end and described body.
Optionally, in described flexible printed circuit board, on described body, be provided with pressure connection terminal, the one end not being connected with described burning pin in described burning lead-in wire is positioned at the pressure connection terminal of described body.
Optionally, in described flexible printed circuit board, described burning end is near described pressure connection terminal.
The present invention also provides a kind of OTP burning device, for liquid crystal display is carried out to burning, has above-mentioned flexible printed circuit board in described liquid crystal display, and described OTP burning device comprises: burning unit and cutter unit;
Described burning unit is connected with the burning pin of described flexible printed circuit board, for burning program;
Described cutter unit is connected with described burning unit, for excising the burning end of described flexible printed circuit board.
Optionally, in described OTP burning device, described burning is provided with connector on unit, and described connector is used for connecting described burning pin.
Optionally, in described OTP burning device, described cutter unit comprises that FPC carries platform and blade;
Described blade is positioned at that described FPC carries the top of platform and to carry the surface of platform vertical with described FPC.
Optionally, in described OTP burning device, described FPC carries platform and comprises that the first lift-launch platform and second carries platform;
The described first surface of carrying platform and the second lift-launch platform is positioned at same level;
Described the first lift-launch platform and second carries between platform has gap.
Optionally, in described OTP burning device, described blade is positioned at described first and carries the top that platform and second carries interstation gap.
In flexible printed circuit board provided by the invention and OTP burning device, by be provided for the burning end of OTP burning on flexible printed circuit board, after completing, OTP burning can excise described burning end, thus, burning end for OTP burning can not affect the wiring of flexible printed circuit board, during assembling liquid crystal display, also needn't on flexible printed circuit board, paste insulating tape, thereby reduce manufacturing cost and improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the FPC of prior art;
Fig. 2 is the structural representation of the FPC of the utility model embodiment mono-;
Fig. 3 is the structural representation of the OTP burning device of the utility model embodiment bis-;
Fig. 4 is the structural representation of the cutter unit of the utility model embodiment bis-.
Embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of flexible printed circuit board and OTP burning device is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
[embodiment mono-]
Please refer to Fig. 2, it is the structural representation of the FPC of the utility model embodiment mono-.As shown in Figure 2, flexible printed circuit board 20 comprises body 21 and burning end 22; Burning end 22 is positioned at a side of body 21 and is connected with body 21; On body 21, be provided with burning lead-in wire (not shown), be provided with burning pin 23 on burning end 22, burning pin 23 is electrically connected with one end of described burning lead-in wire.
Concrete, the part on body 21 stretches out and forms burning end 22, and burning end 22 is positioned at a side of body 21, and burning end 22 is integrated with body 21.The relative both sides of body 21 are respectively arranged with pressure connection terminal 24 and signal input part 25, and pressure connection terminal 24 has crimp type terminal for being connected with display panels, and signal input part 25 is for connecting various signals.Between pressure connection terminal 24 and signal input part 25, be placed with various circuits, comprise burning lead-in wire.Described burning lead-in wire has two ends, and one end of described burning lead-in wire is connected with the burning pin 23 of burning end 22, and one end that other end is not connected with burning pin 23 is positioned at pressure connection terminal 24 and is connected with the crimp type terminal of pressure connection terminal 24.Preferably, burning end 22, near pressure connection terminal 24, to facilitate wiring, shortens the length of burning lead-in wire.Flexible printed circuit board 20 is also provided with line of cut 26, and line of cut 26 is between burning end 22 and body 21.
After FOG technique, flexible printed circuit board 20 by pressure connection terminal 24 with fix with display panels, described burning lead-in wire and be connected the signal wire conducting that drives chip.Thus, burning pin 23 is connected with the driving chip of liquid crystal display by burning lead-in wire.
Visible, the flexible printed circuit board 20 of the present embodiment is provided with relatively independent burning end 22, burning pin 23 after FOG technique on burning end 22 is realized and being connected with the driving chip of liquid crystal display, thereby burning pin 23 can be used as contact point and is connected conducting OTP circuit with OTP burning device and realizes OTP burning, can be along line of cut 26 excision burning ends 22 after OTP burning completes, in the liquid crystal display that final assembling forms, flexible printed circuit board does not have burning end 22.
[embodiment bis-]
Please refer to Fig. 3, it is the structural representation of the OTP burning device of the utility model embodiment bis-.As shown in Figure 3, OTP burning device 30, for liquid crystal display is carried out to burning, has the flexible printed circuit board 20 in embodiment mono-in described liquid crystal display, and OTP burning device 30 comprises: burning unit 31 and cutter unit 32; Burning unit 31 is connected with the burning pin 23 of flexible printed circuit board 20, for burning program; Cutter unit 32 is connected with burning unit 31, for excising the burning end 22 of flexible printed circuit board 20.
Concrete, on burning unit 31, being provided with connector 33, connector 33 is for connecting burning pin 23, and burning unit 31 is connected with the burning pin 23 of flexible printed circuit board 20 by connector 33.Because burning pin 23 is connected with the driving chip of liquid crystal display by burning lead-in wire, burning unit 31 can carry out burning by 23 pairs of liquid crystal display of burning pin of flexible printed circuit board 20.Cutter unit 32 is connected with burning unit 31, and by logic control circuit (not illustrating in figure), controls the operation of these two unit.After completing, 31 burnings of burning unit excise the burning end 22 of flexible printed circuit boards 20 by cutter unit 32.
Please refer to Fig. 4, it is the structural representation of the cutter unit 32 of the utility model embodiment bis-.As shown in Figure 4, cutter unit 32 comprises that FPC carries platform 34 and blade 35, and described blade 35 is arranged at that FPC carries the top of platform 34 and to carry the surface of platform 34 vertical with FPC.FPC carries platform 34 and comprises that the first lift-launch platform 36 and second carries platform 37, the first surface of carrying platform 36 and the second lift-launch platform 37 is positioned at same level, the first lift-launch platform 36 and second carries between platform 37 has gap, and blade 35 is positioned at the top that the first lift-launch platform 36 and second carries platform 37 gaps.
The detailed process that use OTP burning device 30 carries out OTP burning is as follows: first; the connector 33 of burning unit 31 in OTP burning device is connected with the burning pin 23 of flexible printed circuit board 20; because burning pin 23 is connected with the driving chip of display panels by burning lead-in wire, so burning unit 31 can gather by burning pin 23 signal of liquid crystal display; Afterwards, light liquid crystal display, and adjust display frame; Then, burning unit 31 gathers the signal of liquid crystal display by burning pin 23, and carries out OTP burning according to the corresponding program of the signal enabling collecting; Finally, disconnect being connected of burning unit 31 and burning pin 23.
After completing OTP burning, because burning end 22 has lost effect, the FPC that flexible printed circuit board 20 can be placed in to OTP burning device cutter unit 32 carries on platform 34, and by blade 35, the burning end 22 on flexible printed circuit board 20 is excised along line of cut 26.While cutting, the position of line of cut 26 is relative with the position of blade 35, all at the first lift-launch platform 36 and second, carries between platform 37.
Visible, burning unit 31 on OTP burning device 30 of the present utility model is provided with the connector 33 matching with the burning pin 23 of flexible printed circuit board 20, while carrying out OTP burning, OTP burning device 30 is connected with flexible printed circuit board 20 by connector 33, the burning end 22 excising on flexible printed circuit boards 20 by the cutter unit 32 on OTP burning device 30 after OTP burning completes.The flexible printed circuit board 20 that final and display panels forms liquid crystal display does not have burning end 22.
To sum up, in flexible printed circuit board of the present utility model and OTP burning device, relatively independent burning end is set on flexible printed circuit board, OTP burning device is connected and carries out OTP burning with described burning end, after completing OTP burning, can excise burning end, therefore, the OTP testing weld pad that can take up room needn't be set on flexible printed circuit board, also needn't be at the surface label insulating tape of OTP testing weld pad when liquid crystal display is assembled, thus reduce manufacturing cost and improved production efficiency.
Foregoing description is only the description to the utility model preferred embodiment; the not any restriction to the utility model scope; any change, modification that the those of ordinary skill in the utility model field is done according to above-mentioned disclosure, all belong to the protection domain of claims.

Claims (9)

1. a flexible printed circuit board, is characterized in that, comprising: body and burning end;
Described burning end is positioned at a side of described body and is connected with described body;
On described body, be provided with burning lead-in wire, on described burning end, be provided with burning pin, described burning pin is connected with one end of described burning lead-in wire.
2. flexible printed circuit board as claimed in claim 1, is characterized in that, also comprises: line of cut, described line of cut is between described burning end and described body.
3. flexible printed circuit board as claimed in claim 1, is characterized in that, on described body, is provided with pressure connection terminal, and the one end not being connected with described burning pin in described burning lead-in wire is positioned at the pressure connection terminal of described body.
4. flexible printed circuit board as claimed in claim 3, is characterized in that, described burning end is near described pressure connection terminal.
5. an OTP burning device, for liquid crystal display is carried out to burning, has the flexible printed circuit board as described in any one in claim 1 to 4 in described liquid crystal display, it is characterized in that, comprising: burning unit and cutter unit;
Described burning unit is connected with the burning pin of described flexible printed circuit board, for burning program;
Described cutter unit is connected with described burning unit, for excising the burning end of described flexible printed circuit board.
6. OTP burning device as claimed in claim 5, is characterized in that, described burning is provided with connector on unit, and described connector is used for connecting described burning pin.
7. OTP burning device as claimed in claim 5, is characterized in that, described cutter unit comprises that FPC carries platform and blade;
Described blade is positioned at that described FPC carries the top of platform and to carry the surface of platform vertical with described FPC.
8. OTP burning device as claimed in claim 7, is characterized in that, described FPC carries platform and comprises that the first lift-launch platform and second carries platform;
The described first surface of carrying platform and the second lift-launch platform is positioned at same level;
Described the first lift-launch platform and second carries between platform has gap.
9. OTP burning device as claimed in claim 8, is characterized in that, described blade is positioned at described first and carries the top that platform and second carries interstation gap.
CN201320614328.3U 2013-09-30 2013-09-30 Flexible printed circuit board and OTP recording device Expired - Lifetime CN203490437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320614328.3U CN203490437U (en) 2013-09-30 2013-09-30 Flexible printed circuit board and OTP recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320614328.3U CN203490437U (en) 2013-09-30 2013-09-30 Flexible printed circuit board and OTP recording device

Publications (1)

Publication Number Publication Date
CN203490437U true CN203490437U (en) 2014-03-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105323968A (en) * 2015-10-27 2016-02-10 苏州和瑞科自动化科技有限公司 Unwatched flexible printed circuit board recorder
CN105323969A (en) * 2015-10-27 2016-02-10 苏州和瑞科自动化科技有限公司 Conveying system of tray loaded with flexible printed circuit boards
CN106802816A (en) * 2016-12-29 2017-06-06 上海天马有机发光显示技术有限公司 The preparation method of driver element and the display device comprising the driver element
CN106815048A (en) * 2016-12-29 2017-06-09 上海天马有机发光显示技术有限公司 The preparation method of driver element and the display device comprising the driver element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105323968A (en) * 2015-10-27 2016-02-10 苏州和瑞科自动化科技有限公司 Unwatched flexible printed circuit board recorder
CN105323969A (en) * 2015-10-27 2016-02-10 苏州和瑞科自动化科技有限公司 Conveying system of tray loaded with flexible printed circuit boards
CN106802816A (en) * 2016-12-29 2017-06-06 上海天马有机发光显示技术有限公司 The preparation method of driver element and the display device comprising the driver element
CN106815048A (en) * 2016-12-29 2017-06-09 上海天马有机发光显示技术有限公司 The preparation method of driver element and the display device comprising the driver element

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Granted publication date: 20140319