CN202473192U - Drive control panel of liquid crystal display - Google Patents
Drive control panel of liquid crystal display Download PDFInfo
- Publication number
- CN202473192U CN202473192U CN2011204781492U CN201120478149U CN202473192U CN 202473192 U CN202473192 U CN 202473192U CN 2011204781492 U CN2011204781492 U CN 2011204781492U CN 201120478149 U CN201120478149 U CN 201120478149U CN 202473192 U CN202473192 U CN 202473192U
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- liquid crystal
- crystal display
- interface circuit
- input interface
- power supply
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Abstract
The utility model relates to the technical field of liquid crystal display (LCD, LCDTV, LED) and especially relates to a drive control integration system of liquid crystal display products. The drive control panel of the liquid crystal display includes a drive chip RTD 2271W, a VGA input interface circuit, a DVI input interface circuit, an LVDS output interface circuit, a keyboard control input interface circuit, a Flash IC storage, a 3.3VDC-DC voltage converting circuit. An analog-digit signal converting circuit, a microprocessor and an image processing module are integrated in the liquid crystal drive chip. The utility model has a beneficial effect that an analog VGA signal input interface and a data DVI signal input interface are remained under a premise of reducing the size of the drive control panel of the liquid crystal display. And the drive control panel of the liquid crystal display has precise technical design and excellent electrical performance, and is suitable for liquid crystal products of multiple types, multiple classes and multiple specifications.
Description
Technical field
The utility model relates to technical field of liquid crystal display (LCD, LCDTV, LED), particularly relates to a kind of liquid crystal display product driving control system function.
Background technology
Liquid crystal display drive controlling plate and LCD have suitable confidential relation, belong to the liquid crystal display product core technology, within this control panel the integrated system technical guarantee technical standard of liquid crystal display product, quality standard, product price and market trend; Wherein liquid crystal display drive controlling plate is related to parameters such as response time of taking a fancy to most the high-end designs aspect, color, visible angle, contrast, and the drive controlling plate of core will directly have influence on above-mentioned display effect.Along with the continuous scientific and technical innovation and the technical progress of lcd technology industry, market-oriented liquid crystal display drive controlling plate requires to need to realize polytype display mode; Process layout that it is accurate and integrated performance can be mated with multiple type of present liquid crystal display product, have guaranteed the rational deployment of product in the piece electrical system, have satisfied the demand of liquid crystal display industry manufacturer.
Summary of the invention
The utility model provides a kind of liquid crystal display drive controlling plate, and process layout, port should be used as accurate the integration, and its volume is little, supports VGA and DVI input; Support the LVDS liquid crystal display, a VGA, SVGA, XGA; SXGA, WXGA, WUXGA; Mode of operations such as WSXGA+ satisfy the professional and complete requirement of liquid crystal display product IC system demand for control and mechanism design fully, accomplish the core technology demand and the application that are applicable to liquid crystal display product.
For achieving the above object; The utility model is realized through following technical scheme: a kind of liquid crystal display drive controlling plate; Mainly comprise the VGA input interface circuit, DVI input interface circuit, LVDS output interface circuit, Keyboard Control input interface circuit, the Flash IC storer that link to each other with lcd drive chip; Said LVDS output interface circuit links to each other with display panels; Described lcd drive chip is a Realtek RTD2271W chip; Be integrated with modulus signal change-over circuit, microprocessor and image processing module in it, the image processing module of said lcd drive chip is handled the vision signal of computer output, and output liquid crystal drive control signal is to display panels display frame; The microprocessor of said lcd drive chip provides a personal-machine Fabric Interface, is input to microprocessor to artificial required mode of operation through the Keyboard Control input interface circuit, and microprocessor control image processing module mode of operation is on request carried out work.
Further, described VGA input interface circuit is a D-SUB socket.
Further, described LVDS output interface circuit comprises the soft arranging wire socket of a single 30Pin and the electronics line socket of a double 30Pin.
Further; Described liquid crystal display drive controlling plate is provided with power supply; Power supply comprises the 3.3V DC-DC voltage conversion circuit that the input power supply is connected with the input power supply; Said input power supply links to each other with display panels through electronic switch, and said 3.3V DC-DC voltage conversion circuit links to each other with lcd drive chip.
Further, said power supply provides the direct supply of 5V.
Further, said lcd drive chip adopts the 1.2V low-voltage power supply.
Further, said Flash IC storer is a 2MB Flash IC storer.
The beneficial effect of the utility model is: liquid crystal display drive controlling plate is of a size of long 92mm, and wide 60mm under the prerequisite of minification, has kept one tunnel simulation VGA signal input interface; One circuit-switched data DVI signal input interface, highest resolution reaches 1920X1080, and the highest refresh rate reaches 75Hz, supports VGA; SVGA, XGA, SXGA; WXGA, WUXGA, WSXGA+ mode of operation; Output bandwidth is 210MHZ; Built-in 8 state OSD language, 7 key control; Support plug-and-play feature; High speed processing, energy saving; Support freely switching between traditional 4:3 display mode and the popular 16:9 widescreen display mode; Closing acc power reaches below the 0.5W; Adopt 2MBit Flash IC, enough memory headrooms carry out software and store and data storage; And technological design is accurate, electric property is superior, and suitable many kinds, liquid crystal display product multi-class, many specifications use.
Description of drawings
Fig. 1 is the structured flowchart of an embodiment of the utility model.
Embodiment
Combine accompanying drawing and embodiment that the utility model is further specified at present.
An embodiment of a kind of liquid crystal display drive controlling plate of the utility model is as shown in Figure 1; Comprise the VGA input interface circuit 2, one road 24Pin data DVI input interface circuit 3 that link to each other with lcd drive chip 1; LVDS output interface circuit 4, Keyboard Control input interface circuit 5, Flash IC storer 6; LVDS output interface circuit 4 links to each other with display panels 7; Described lcd drive chip 1 is a Realtek RTD2271W chip, is integrated with modulus signal change-over circuit, microprocessor and image processing module in it.The image processing module of said lcd drive chip is handled the vision signal of computer output, and output liquid crystal drive control signal is to display panels 7 display frames; Said image processing module switches to 16:9 or 4:3 display mode with 4:3 or 16:9 display mode; The microprocessor of said lcd drive chip 1 provides the interface of an interpersonal exchange; Be input to microprocessor to artificial required mode of operation through Keyboard Control input interface circuit 5, microprocessor control image processing module mode of operation is on request carried out work.Described VGA input interface circuit 2 is a D-SUB socket.Described LVDS output interface circuit comprises the soft arranging wire socket of a single 30Pin and the electronics line socket of a double 30Pin.Described liquid crystal display drive controlling plate is provided with power supply; Power supply comprises the 3.3V DC-DC voltage conversion circuit 82 that input power supply 81 is connected with input power supply 81; Said input power supply 81 links to each other with lcd drive chip 1, and said 3.3V DC-DC voltage conversion circuit 82 links to each other with display panels 7 with lcd drive chip 1.Said power supply provides 5V direct supply.Said lcd drive chip adopts the 1.2V low-voltage power supply.Said Flash IC storer 6 is a 2MB Flash IC storer, through I
2The C bus is written to the EDID data of DVI signal in the storer of lcd drive chip 1 inside, can save the cost of a memory IC and respective peripheral circuit.
The beneficial effect of the utility model is: liquid crystal display drive controlling plate is of a size of long 92mm, and wide 60mm under the prerequisite of and size micro integrated at height, has kept one tunnel simulation VGA signal input interface; One circuit-switched data DVI signal input interface, highest resolution reaches 1920X1080, and the highest refresh rate reaches 75Hz, supports VGA; SVGA, XGA, SXGA; WXGA, WUXGA, WSXGA+ mode of operation; Output bandwidth is 210MHZ; Built-in 8 state OSD language, 7 key control; Support plug-and-play feature; Chip core adopts 1.2V low-voltage power supply, high speed processing, energy saving; Support freely switching between traditional 4:3 display mode and the popular 16:9 widescreen display mode; Closing acc power reaches below the 0.5W; Adopt 2MBit Flash IC, enough memory headrooms carry out software and store and data storage; And technological design is accurate, electric property is superior, and suitable many kinds, liquid crystal display product multi-class, many specifications use.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; Can make various variations to the utility model in form with on the details, be the protection domain of the utility model.
Claims (7)
1. liquid crystal display drive controlling plate; Comprise the VGA input interface circuit, DVI input interface circuit, LVDS output interface circuit, Keyboard Control input interface circuit, the Flash IC storer that link to each other with lcd drive chip; Said LVDS output interface circuit links to each other with display panels; Described lcd drive chip is a Realtek RTD2271W chip; Be integrated with modulus signal change-over circuit, microprocessor and image processing module in it, the image processing module of said lcd drive chip is handled the vision signal of computer output, and output liquid crystal drive control signal is to display panels display frame; The microprocessor of said lcd drive chip provides a personal-machine Fabric Interface, is input to microprocessor to artificial required mode of operation through the Keyboard Control input interface circuit, and microprocessor control image processing module mode of operation is on request carried out work.
2. a kind of liquid crystal display drive controlling plate according to claim 1 is characterized in that: described VGA input interface circuit is a D-SUB socket.
3. a kind of liquid crystal display drive controlling plate according to claim 1 is characterized in that: described LVDS output interface circuit comprises the soft arranging wire socket of a single 30Pin and the electronics line socket of a double 30Pin.
4. a kind of liquid crystal display drive controlling plate according to claim 1; It is characterized in that: described liquid crystal display drive controlling plate is provided with power supply; Power supply comprises the 3.3V DC-DC voltage conversion circuit that the input power supply is connected with the input power supply; Said input power supply links to each other with display panels through electronic switch, and said 3.3V DC-DC voltage conversion circuit links to each other with lcd drive chip.
5. a kind of liquid crystal display drive controlling plate according to claim 4, it is characterized in that: said power supply provides the direct supply of 5V.
6. a kind of liquid crystal display drive controlling plate according to claim 4 is characterized in that: said lcd drive chip adopts the 1.2V low-voltage power supply.
7. a kind of liquid crystal display drive controlling plate according to claim 1 is characterized in that: said Flash IC storer is a 2MB Flash IC storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204781492U CN202473192U (en) | 2011-11-25 | 2011-11-25 | Drive control panel of liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204781492U CN202473192U (en) | 2011-11-25 | 2011-11-25 | Drive control panel of liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473192U true CN202473192U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204781492U Expired - Fee Related CN202473192U (en) | 2011-11-25 | 2011-11-25 | Drive control panel of liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202473192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN109032260A (en) * | 2018-08-28 | 2018-12-18 | 西安微电子技术研究所 | A kind of ruggedized monitor based on Ground Application |
-
2011
- 2011-11-25 CN CN2011204781492U patent/CN202473192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN109032260A (en) * | 2018-08-28 | 2018-12-18 | 西安微电子技术研究所 | A kind of ruggedized monitor based on Ground Application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |