CN207718783U - A kind of liquid crystal display panel circuit structure - Google Patents
A kind of liquid crystal display panel circuit structure Download PDFInfo
- Publication number
- CN207718783U CN207718783U CN201820168075.4U CN201820168075U CN207718783U CN 207718783 U CN207718783 U CN 207718783U CN 201820168075 U CN201820168075 U CN 201820168075U CN 207718783 U CN207718783 U CN 207718783U
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- Prior art keywords
- liquid crystal
- crystal display
- driving chip
- chip
- display driving
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 76
- 239000010408 film Substances 0.000 description 18
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model provides a kind of liquid crystal display panel circuit structure, including T CON plates, chip on film and liquid crystal display panel；T CON plates are made of LVDS sockets, TCON modules, level shift module, power module and the GAMMA voltage modules being arranged in PCB circuit board.The liquid crystal display panel circuit structure is connected by a source electrode chip on film with corresponding liquid crystal display panel using the form of a TCON plate, to complete the display of 1366*768 resolution pictures, it is few using source electrode chip on film and do not use grid chip on film, have the advantages that compared with common opencell frameworks it is cost-effective, be easy to bonding.
Description
Technical field
The utility model is related to a kind of circuit structure, especially a kind of liquid crystal display panel circuit structure.
Background technology
There is the shipment of TV liquid crystal module in liquid crystal display panel factory different modes.Observe current TV liquid crystal display panel city
, in a manner of semi-finished product, that is, the OpenCell of backlight is not installed and is gradually favored.It is reported that main cause exists
In Chinese most television manufacturers, in order to reduce cost, thus semi-finished product of the buying without backlight are selected to replace panel finished product.
This OpenCell is semi-finished product made of being assembled with elements such as liquid crystal display panel, filter and polarizers.Shipment is to television manufacturer
Afterwards, backlight can be separately purchased again, and purchase cost can be greatly reduced compared with finished panel.
Utility model content
The purpose of this utility model is that：A kind of liquid crystal display panel circuit structure that can facilitate later stage integrated installation is provided.
In order to realize that above-mentioned purpose of utility model, the utility model provide a kind of liquid crystal display panel circuit structure, including T-
CON plates, chip on film and liquid crystal display panel；T-CON plates are by the LVDS sockets, TCON modules, the level that are arranged in PCB circuit board
Shift module, power module and GAMMA voltage modules are constituted；Liquid crystal display driving chip is equipped in chip on film；LVDS is inserted
The signal input pin of seat is connected with the signal input part of TCON modules, the power pins of LVDS sockets and the power supply of power module
Input terminal is connected, for being respectively connected to LVDS signals and power supply；The LVDS signal output ends of TCON modules drive with liquid crystal display
The row switching sequence input terminal of dynamic chip is connected, and being sent to liquid crystal display for the miniLVDS signals after converting LVDS signals drives
Dynamic chip；The two path control signal output end of TCON modules respectively with the control signal input and liquid crystal of level shift module
The control signal input for shielding driving chip is connected, for controlling level shift module output row switching sequence signal and control
Liquid crystal display driving chip exports row switching sequence signal；The row switching sequence output end of level shift module drives core with liquid crystal display
The row switching sequence input terminal of piece is connected；The row switching signal output end of liquid crystal display driving chip and the row switch letter of liquid crystal display panel
Number input terminal is connected, the row switching signal output end of liquid crystal display driving chip and the row switch signal input end phase of liquid crystal display panel
Even；Each voltage output end of power module respectively with liquid crystal display driving chip, level shift module, TCON modules and
The power ends of GAMMA voltage modules is connected, for respectively liquid crystal display driving chip, level shift module, TCON modules and
GAMMA voltage modules are powered；Each gamma voltage output ends of GAMMA voltage modules are each with liquid crystal display driving chip
Gamma voltage input ends are connected, for each gamma voltages to be supplied liquid crystal display driving chip.
Further, chip on film is source electrode-chip on film.
The beneficial effects of the utility model are：Using LVDS sockets, TCON modules, level shift module, power module
And GAMMA voltage modules constitute T-CON plates, liquid crystal display driving chip are installed by chip on film, to realize liquid crystal surface
The core of plate drives, and can reduce liquid crystal display as the core component low cost supply that the liquid crystal display later stage integrates
Manufacturing cost, keep the integrated production of liquid crystal display more convenient；The circuit structure passes through one using the form of a TCON plate
Source electrode-chip on film（SOURCE COF）With corresponding liquid crystal display panel（TFT-LCD）It is connected, to complete 1366*768 resolution ratio
The display of picture uses source electrode-chip on film（SOURCE COF）Less and grid-chip on film is not used（GATE COF）, with
Common opencell frameworks compared to have the advantages that it is cost-effective, be easy to bonding.
Description of the drawings
Fig. 1 is the integrated circuit structure chart of the utility model；
Fig. 2 is the LVDS socket circuit schematic diagrams of the utility model；
Fig. 3 is the GAMMA voltage module circuit diagrams of the utility model；
Fig. 4 is the power module circuit schematic of the utility model；
Fig. 5 is the level shift module circuit schematic of the utility model；
Fig. 6 is the TCON module circuit schematics of the utility model；
Fig. 7 is the chip on film circuit diagram of the utility model.
Specific implementation mode
As shown in figs. 1-7, liquid crystal display panel circuit structure provided by the utility model includes：T-CON plates, chip on film and
Liquid crystal display panel；T-CON plates are by the LVDS sockets, TCON modules, level shift module, the power module that are arranged in PCB circuit board
And GAMMA voltage modules are constituted；Liquid crystal display driving chip is equipped in chip on film；The signal input pin of LVDS sockets with
The signal input part of TCON modules is connected, and the power pins of LVDS sockets are connected with the power input of power module, for dividing
It Jie Ru not LVDS signals and power supply；The LVDS signal output ends of TCON modules and the row switching sequence of liquid crystal display driving chip
Input terminal is connected, and liquid crystal display driving chip is sent to for the miniLVDS signals after converting LVDS signals；TCON modules
The control with the control signal input of level shift module and liquid crystal display driving chip respectively of two path control signal output end
Signal input part is connected, defeated for controlling level shift module output row switching sequence signal and control liquid crystal display driving chip
It falls out switching sequence signal；The row switching sequence output end of level shift module and the row switching sequence of liquid crystal display driving chip are defeated
Enter end to be connected；The row switching signal output end of liquid crystal display driving chip is connected with the row switch signal input end of liquid crystal display panel, liquid
The row switching signal output end of crystalline substance screen driving chip is connected with the row switch signal input end of liquid crystal display panel；Power module it is each
Voltage output end respectively with liquid crystal display driving chip, the power end of level shift module, TCON modules and GAMMA voltage modules
It is connected, for respectively liquid crystal display driving chip, level shift module, TCON modules and the power supply of GAMMA voltage modules；
Each gamma voltage output ends of GAMMA voltage modules are connected with each gamma voltage input ends of liquid crystal display driving chip,
For each gamma voltages to be supplied liquid crystal display driving chip.
As shown in Fig. 2, LVDS sockets use model MSAKT2407P30A 30 needle sockets, for respectively with TCON moulds
The signal input part and power module of block are connected, and wherein VIN pins are connected to the power input of power module, GND pin
Ground connection, remaining pin drawn correspond to the signal input part that corresponding label is connected to TCON modules.
As shown in figure 3, GAMMA voltage modules are made of chip AAT1314 and its peripheral circuit, by electric resistance partial pressure plus
BUFFER（Buffer）Or the form of Pgamma is divided, and the VDDA voltages that power module inputs are divided into ten multigroup gamma
The liquid crystal display driving chip that voltage is supplied in chip on film is used for setting gray scale curve.
As shown in figure 4, power module is made of chip AAT1346A and AAT11732 and peripheral circuit, shown for liquid crystal display
It needs to provide voltage：HVDDA, VDDA, VCC, VGH, VGL, VSS1 and VCOM, be respectively delivered to liquid crystal display driving chip and
Level shift module；The voltage of TCON modules work is also provided：VCC and VCC_1.2V.
As shown in figure 5, level shift module is made of chip AAT1923 and its peripheral circuit, for according to TCON modules
The control signal of transmission exports row switching sequence signal, then row switching sequence signal is sent to the liquid crystal display in chip on film and is driven
Dynamic chip, the switch of each thin-film transistor circuit on liquid crystal display panel is accurately controlled by liquid crystal display driving chip, to coordinate
Backlight shows various pictures.
As shown in fig. 6, TCON modules are made of chip Z6165 and its peripheral circuit, what TCON modules were used to input
LVDS signals are converted into the liquid crystal display driving chip that miniLVDS signals are conveyed in chip on film, and TCON modules also export one group
Control signal is sent to level shift module.
As shown in fig. 7, chip on film is made of liquid crystal coiled strip NT61804H-C6520A, for 1366*768's
TFT-LCD liquid crystal display panels carry out driving control signal transmission.
The circuit structure passes through a source electrode-chip on film using the form of a TCON plate（SOURCE COF）With it is corresponding
Liquid crystal display panel（TFT-LCD）It is connected, to complete the display of 1366*768 resolution pictures.The circuit structure is covered using source electrode-
Brilliant film（SOURCE COF）Less and grid-chip on film is not used（GATE COF）, have compared with common opencell frameworks
The advantages that cost-effective, convenient for bonding.
Claims (2)
1. a kind of liquid crystal display panel circuit structure, it is characterised in that：Including T-CON plates, chip on film and liquid crystal display panel；T-CON
Plate is by the LVDS sockets, TCON modules, level shift module, power module and the GAMMA voltage-modes that are arranged in PCB circuit board
Block is constituted；Liquid crystal display driving chip is equipped in chip on film；The signal of the signal input pin and TCON modules of LVDS sockets
Input terminal is connected, and the power pins of LVDS sockets are connected with the power input of power module, for being respectively connected to LVDS signals
And power supply；The LVDS signal output ends of TCON modules are connected with the row switching sequence input terminal of liquid crystal display driving chip, use
MiniLVDS signals after converting LVDS signals are sent to liquid crystal display driving chip；The two path control signal of TCON modules is defeated
Outlet is connected with the control signal input of the control signal input of level shift module and liquid crystal display driving chip respectively,
For controlling level shift module output row switching sequence signal and control liquid crystal display driving chip output row switching sequence letter
Number；The row switching sequence output end of level shift module is connected with the row switching sequence input terminal of liquid crystal display driving chip；Liquid crystal
The row switching signal output end of screen driving chip is connected with the row switch signal input end of liquid crystal display panel, liquid crystal display driving chip
Row switching signal output end is connected with the row switch signal input end of liquid crystal display panel；Each voltage output end of power module is distinguished
It is connected with the power end of liquid crystal display driving chip, level shift module, TCON modules and GAMMA voltage modules, for distinguishing
It powers for liquid crystal display driving chip, level shift module, TCON modules and GAMMA voltage modules；GAMMA voltage modules it is each
A gamma voltage output ends are connected with each gamma voltage input ends of liquid crystal display driving chip, for each gamma is electric
Pressure supply liquid crystal display driving chip.
2. liquid crystal display panel circuit structure according to claim 1, it is characterised in that：Chip on film is source electrode-chip on film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168075.4U CN207718783U (en) | 2018-01-31 | 2018-01-31 | A kind of liquid crystal display panel circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820168075.4U CN207718783U (en) | 2018-01-31 | 2018-01-31 | A kind of liquid crystal display panel circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207718783U true CN207718783U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820168075.4U Expired - Fee Related CN207718783U (en) | 2018-01-31 | 2018-01-31 | A kind of liquid crystal display panel circuit structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859684A (en) * | 2017-11-30 | 2019-06-07 | 乐金显示有限公司 | Display device and its interface method |
-
2018
- 2018-01-31 CN CN201820168075.4U patent/CN207718783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859684A (en) * | 2017-11-30 | 2019-06-07 | 乐金显示有限公司 | Display device and its interface method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190531 Address after: Room 110-68, Building 29, No. 5 Gaoke Five Road, Nanjing Hi-tech Development Zone, Jiangsu Province Patentee after: Nanjing Austin Technology Development Co.,Ltd. Address before: 210028 Building 201, No. 108 Ganjiabiandong, Qixia District, Nanjing City, Jiangsu Province (Jingang Kechuang Center) Patentee before: NANJING ZHANCHENG OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |