CN101692332B - Method for realizing timing control chip for driving liquid crystal display module - Google Patents
Method for realizing timing control chip for driving liquid crystal display module Download PDFInfo
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- CN101692332B CN101692332B CN2009102045237A CN200910204523A CN101692332B CN 101692332 B CN101692332 B CN 101692332B CN 2009102045237 A CN2009102045237 A CN 2009102045237A CN 200910204523 A CN200910204523 A CN 200910204523A CN 101692332 B CN101692332 B CN 101692332B
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Abstract
The invention discloses a method for realizing a timing controller for driving a liquid crystal display module. The timing controller comprises an I2C driver module, a register module, a buffer, an FRC, an image processing unit, a dynamic GAMMA setting module and a timing control module; a style input interface is connected with the I2C driver module; style signals are input into the register module through the I2C driver module and then are input into the image processing unit through the register module; an image data interface is connected with the buffer which is connected with the FRC; image signals are output to the image processing unit through the FRC, processed by the image processing unit and then are output to the dynamic GAMMA setting module; a synchronization signal input interface is connected with the timing control module which is connected with the dynamic GAMMA setting module; and the synchronization signal and the image data processed by the image processing unit are output by a TTL output interface. Images processed in the method have the advantages of high color saturation, high brightness, high contract, more energy-saving performance and the like.
Description
Technical field
The present invention discloses a kind of implementation method of timing controller, and particularly a kind of liquid crystal display module drives the implementation method of the timing controller of usefulness.
Background technology
Use in people's daily life and more and more extensively send out along with lcd technology, lcd technology has also obtained significant progress, and at present, the development trend of liquid crystal display module is high saturation, high-contrast, power saving, response fast, wide viewing angle and slimming.
Two essential factors of the normal demonstration of liquid crystal module: the one, power supply, the one, signal.Signal section is except the main system output signal, and requisite is exactly to need a Timing Controller IC (being the sequential control chip) to carry out sequential processing.Existing on the market Timing Controller IC is a simple sequential processing function, and the Driver IC. the author who the signal of front end is carried out outputing to after the sequential processing LCD thinks that this is a kind of wasting of resources.This invention is the technological innovation of carrying out at existing Timing Controller IC.Existing Timing Controller IC is a simple sequential processing function, the signal of front end is carried out outputing to after the sequential processing Driver IC of LCD, this IC function is too simple, can not carry out people and optimization process to existing signal, display effect to picture is like water off a duck's back, has caused the waste of resource and the increase of power consumption.
Summary of the invention
Simple at the above-mentioned timing controller function of mentioning of the prior art, can not satisfy shortcoming to the Signal Processing demand, the present invention adopts 3D to pile up technology integrated image processing module in existing timing controller, on the basis that does not change chip area, make chip can carry out optimization processes such as edge enhancing, colour gamut conversion, black and white gray level extensity and GTG instruction to image.
The technical scheme that the present invention solves its technical matters employing is: a kind of liquid crystal display module drives the implementation method of the timing controller of usefulness, and timing controller comprises I
2C driver module, register module, impact damper, FRC, graphics processing unit, dynamic GAMMA are provided with module and time-sequence control module, style input interface and I
2The C driver module connects, and passes through I
2C driver module input register module, input to graphics processing unit by register module, described graphics processing unit comprises that the image border strengthens module, 3D colour gamut conversion module, black-white-gray extension module and GTG adjustment module, behind the picture signal input picture processing unit, the image border strengthens module and utilizes the adjustment of local color GAMMA value to carry out the lifting of local color saturation degree at image edge part, local color GAMMA value is to adjust by the voltage magnitude of setting the output chrominance signal, make the color saturation of image border part obtain 0%～100% lifting, on original color basis, sneak into other rgb color signal then by 3D colour gamut conversion module, can carry out the colour gamut conversion by the proportioning of adjusting rgb color makes color become more bright-coloured, next the voltage of adjusting black and white respectively by black-white-gray extension module makes black more black, white is whiter, thereby promote the contrast of picture, make that the black and white GTG obtains extending, compare by the standard GTG of GTG adjustment module at last resulting GTG and GAMMA2.2, black and white voltage is constant, the contrast voltage of centre is carried out the lifting of voltage or reduces the voltage adjustment, to reach the typical curve of GAMMA2.2, make gray scale variation reach standard value, carry out signal output after finishing dealing with; Image data interface is connected with impact damper, and impact damper is connected with FRC, and FRC exports to graphics processing unit, exports to dynamic GAMMA after handling through graphics processing unit module is set; The synchronizing signal input interface is connected with time-sequence control module, and time-sequence control module is provided with module with dynamic GAMMA and is connected, and the view data of synchronizing signal after handling through graphics processing unit exported by the TTL output interface.
The technical scheme that the present invention solves its technical matters employing further comprises:
When described timing controller is produced, adopt 3D to pile up production technology and make, graphics processing unit is in the different plane layers with other modules.
Described impact damper adopts the linear buffer device.
Described FRC adopts 8-10bit high speed FRC.
The invention has the beneficial effects as follows: the present invention adopts 3D to pile up technology on the basis that does not change traditional timing controller function, in chip, merge the image border and strengthened module, 3D colour gamut conversion module, black-white-gray extension module and GTG adjustment module, the present invention is on the basis that does not increase chip area, except the sequential processing function, the user can carry out the edge to image by the value of I2C interface adjustment corresponding registers and strengthen, the colour gamut conversion, optimization processes such as black and white gray level extensity and GTG instruction, it is full to make drawing after the processing have a high luminance relay, high brightness, high-contrast, advantage such as power saving more.Make product meet the liquid crystal industry development.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention.
Embodiment
Present embodiment is the preferred embodiment for the present invention, and other all its principle is identical with present embodiment or approximate with basic structure, all within protection domain of the present invention.
Please referring to accompanying drawing 1, the present invention mainly is the implementation method that a kind of liquid crystal display module drives the timing controller of usefulness, and timing controller inside mainly comprises I in the present embodiment
2C driver module, register module, impact damper, FRC, graphics processing unit, dynamic GAMMA are provided with module and time-sequence control module, the timing controller external interface mainly comprises style input interface, view data input interface, synchronizing signal input interface and TTL output interface, wherein style input interface and I
2The C driver module connects, and by the display styles of style input interface input LCDs, the style signal passes through I
2C driver module decoding back input register module is stored in the register module, inputs to graphics processing unit by register module again; Image data interface is connected with impact damper, the picture signal of input is buffered in the impact damper, in the present embodiment, impact damper adopts the linear buffer device, impact damper is connected with FRC, and in the present embodiment, FRC adopts 8-10bit high speed FRC, FRC exports to graphics processing unit, exports to dynamic GAMMA after handling through graphics processing unit module is set; The synchronizing signal input interface is connected with time-sequence control module, time-sequence control module is provided with module with dynamic GAMMA and is connected, synchronizing signal is carried out after sequential arranges via time-sequence control module, view data after handling through graphics processing unit is used for driving LCD by the output of TTL output interface again.In the present embodiment, during chip production, adopt 3D to pile up production technology and make, graphics processing unit is in the different plane layers with other modules.
Graphics processing unit in the present embodiment comprises that the image border strengthens module, 3D colour gamut conversion module, black-white-gray extension module and GTG adjustment module, behind the picture signal input picture processing unit, the image border strengthens module and utilizes the adjustment of local color GAMMA value to carry out the lifting of local color saturation degree at image edge part, local color GAMMA value is to adjust by the voltage magnitude of setting the output chrominance signal, make the color saturation of image border part obtain 0%～100% lifting, on original color basis, sneak into other rgb color signal then by 3D colour gamut conversion module, can carry out the colour gamut conversion by the proportioning of adjusting rgb color makes color become more bright-coloured, next the voltage of adjusting black and white respectively by black-white-gray extension module makes black more black, white is whiter, thereby promote the contrast of picture, make that the black and white GTG obtains extending, compare by the standard GTG of GTG adjustment module at last resulting GTG and GAMMA2.2, black and white voltage is constant, the contrast voltage of centre is carried out the lifting of voltage or reduces the voltage adjustment, to reach the typical curve of GAMMA2.2, make gray scale variation reach standard value, carry out signal output after finishing dealing with.
The present invention adopts 3D to pile up technology on the basis that does not change traditional timing controller function, in chip, merge the image border and strengthened module, 3D colour gamut conversion module, black-white-gray extension module and GTG adjustment module, the present invention is on the basis that does not increase chip area, except the sequential processing function, the user can carry out optimization processes such as edge enhancings, colour gamut conversion, black and white gray level extensity and GTG instruction by the value that the I2C interface is adjusted corresponding registers to image, make that drawing after the processing has that high luminance relay is satisfied, high brightness, high-contrast, advantage such as power saving more.Make product meet the liquid crystal industry development.
Claims (4)
1. a liquid crystal display module drives the implementation method of the timing controller of usefulness, and it is characterized in that: described timing controller comprises I
2C driver module, register module, impact damper, FRC, graphics processing unit, dynamic GAMMA are provided with module and time-sequence control module, style input interface and I
2The C driver module connects, and passes through I
2C driver module input register module, input to graphics processing unit by register module, described graphics processing unit comprises that the image border strengthens module, 3D colour gamut conversion module, black-white-gray extension module and GTG adjustment module, behind the picture signal input picture processing unit, the image border strengthens module and utilizes the adjustment of local color GAMMA value to carry out the lifting of local color saturation degree at image edge part, local color GAMMA value is to adjust by the voltage magnitude of setting the output chrominance signal, make the color saturation of image border part obtain 0%～100% lifting, on original color basis, sneak into other rgb color signal then by 3D colour gamut conversion module, can carry out the colour gamut conversion by the proportioning of adjusting rgb color makes color become more bright-coloured, next the voltage of adjusting black and white respectively by black-white-gray extension module makes black more black, white is whiter, thereby promote the contrast of picture, make that the black and white GTG obtains extending, compare by the standard GTG of GTG adjustment module at last resulting GTG and GAMMA2.2, black and white voltage is constant, the contrast voltage of centre is carried out the lifting of voltage or reduces the voltage adjustment, to reach the typical curve of GAMMA2.2, make gray scale variation reach standard value, carry out signal output after finishing dealing with; Image data interface is connected with impact damper, and impact damper is connected with FRC, and FRC exports to graphics processing unit, exports to dynamic GAMMA after handling through graphics processing unit module is set; The synchronizing signal input interface is connected with time-sequence control module, and time-sequence control module is provided with module with dynamic GAMMA and is connected, and the view data of synchronizing signal after handling through graphics processing unit exported by the TTL output interface.
2. liquid crystal display module according to claim 1 drives the implementation method of the timing controller of usefulness, it is characterized in that: when described timing controller is produced, adopt 3D to pile up production technology and make, graphics processing unit is in the different plane layers with other modules.
3. liquid crystal display module according to claim 1 drives the implementation method of the timing controller of usefulness, it is characterized in that: described impact damper adopts the linear buffer device.
4. liquid crystal display module according to claim 1 drives the implementation method of the timing controller of usefulness, it is characterized in that: described FRC adopts 8-10bit high speed FRC.
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| CN2009102045237A CN101692332B (en) | 2009-09-29 | 2009-09-29 | Method for realizing timing control chip for driving liquid crystal display module |
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| CN102881270A (en) * | 2012-09-20 | 2013-01-16 | 深圳市华星光电技术有限公司 | Panel image system controller and liquid crystal display device |
| CN103440838B (en) * | 2013-07-22 | 2016-04-06 | 乐视致新电子科技（天津）有限公司 | A kind of display control method and display device |
| CN105261323B (en) * | 2015-11-24 | 2019-01-25 | 深圳市华星光电技术有限公司 | A kind of display screen control system and display device |
| CN115215562B (en) * | 2022-08-09 | 2023-02-10 | 江阴瑞兴塑料玻璃制品有限公司 | Direct glass melting system for metal surfaces |
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