CN1678038A - Liquid crystal displaying system with storage function - Google Patents
Liquid crystal displaying system with storage function Download PDFInfo
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- CN1678038A CN1678038A CN 200410031937 CN200410031937A CN1678038A CN 1678038 A CN1678038 A CN 1678038A CN 200410031937 CN200410031937 CN 200410031937 CN 200410031937 A CN200410031937 A CN 200410031937A CN 1678038 A CN1678038 A CN 1678038A
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Abstract
The LCD system comprises an image input interface, a buffer, a de-interleaving unit, a magnification / minification unit, an image processing unit, a buffer area controller, an interface of storage media and a DMA controller. Functions of the said parts or units are as following: the image input interface in use for receiving image data stream input from outside; coupled to image input interface, the buffer area in use for temporary storing image data stream input; coupled to a external storage media and the buffer area, the interface of storage media in use for transferring a image data stream stored in the storage media to the buffer area in order to carrying out playing back operation, or transferring a image data stream stored in the buffer area to the storage media in order to store the image data stream; the DMA controller in use for accelerating data access speed between the interface of storage media and the buffer area.
Description
Technical field
The invention relates to a kind of liquid crystal display systems, refer to a kind of liquid crystal display systems especially with memory function.
Background technology
Because the quick evolution of electronic technology, now electronic product is invariably towards the trend evolution of " light, thin, short, little ".Television set used cathode ray tube in the past, and made the television screen size bigger, and the thickness of television set is also thick more.How this furnishes large scale TV machine and forms a major issue in modern small space.Yet because the birth of LCD, above-mentioned problem has not promptly existed.
Present LCD TV is to combine with the TV decoding device in LCD, watch for the user on the LCD and TV programme can be played in, or LCD TV connected computer and as the output device (being LCD) of computer, and no matter be the signal that is used for playing TV programme or output computer, LCD TV is only tailor-made to be an output device, so heal and become ripe along with the application of digitlization information, provide more diversified application to satisfy user's demand as the handled digital video of LCD TV how, its needs are arranged in fact.
Summary of the invention
The objective of the invention is is providing a kind of liquid crystal display systems with memory function, so that can store a TV programme in this liquid crystal display systems.
According to characteristic of the present invention, provide a kind of liquid crystal display systems with memory function, it is characterized in that, comprise:
One image input interface, it receives the image data stream of an outside input;
One buffering area is to be coupled to this image input interface, with temporary this input image data stream;
One deinterlacing device is coupled to this buffering area, so that this image data stream is converted to the noninterlace image format by staggered image format;
One amplification/reduction means is coupled to this deinterlacing device, according to the size of a LCD Panel, banishes this image data of this noninterlace image format big or dwindles;
One image processor is coupled to this amplification/reduction means, and image processing is carried out in this amplification or the image data that dwindles stream, to promote the image quality of this image data stream;
One buffering area controller is in order to control the access of this buffering area;
One Storage Media interface, be Storage Media and this buffering area that is coupled to an outside, spread with an image data that will be stored in this Storage Media and deliver to this buffering area, to play, or the image data in this buffering area spread deliver to this this Storage Media, to store this image data stream; And
One direct memory access controller, it is in order to quicken data access speed between this Storage Media interface and this buffering area.
It also comprises:
One image codec, be to be coupled to this buffering area, with with after the image data stream encryption in this buffering area, be resent to this Storage Media interface, to be stored in an outside Storage Media, or after will reading in image data stream decoding to this buffering area by this Storage Media interface, carry and play.
It also comprises:
The direct display unit of one screen is in order to show the related data of this LCD Panel; And
The makeup of one blender and output format is put, and it is coupled to the direct display unit of this screen and this image processor, flow superimposition with image output data with the image output of the direct display unit of this screen and this image processor after, play again.
It is characterized in that wherein, this image codec can be a JPEG codec, so that image is carried out the JPEG coding/decoding.
Wherein, this image codec can be a MPEG 2 codecs, so that image is carried out the MPEG2 coding/decoding.
Wherein, this image codec can be a MPEG 4 codecs, so that image is carried out the MPEG4 coding/decoding.
Wherein, this image input interface is that the TV decoding device of an outside is put in coupling, to receive the digital image data stream that this TV decoding device is transmitted.
Description of drawings
For further specifying technology contents of the present invention, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:
Fig. 1 is the system block diagrams that the present invention has the liquid crystal display systems of memory function.
Fig. 2 is the image data transmission schematic diagram of the present invention when playing a TV programme.
Fig. 3 is the schematic diagram that noninterlace of the present invention shows conversion.
Fig. 4 is that the present invention plays an image data transmission schematic diagram that is stored in the Storage Media.
Fig. 5 is the image data transmission schematic diagram of the present invention when storing a TV programme.
Embodiment
Relevant preferred embodiment with liquid crystal display systems of memory function of the present invention, the system block diagrams that please show with reference to Fig. 1 earlier, it is mainly by an image input interface 210, one dwindles/passes through device 215, one buffering area 220, one buffering area controller 225, one deinterlacing device 230, one amplification/reduction means 235, one image processor 240, one image codec 245, one Storage Media interface 250, one direct memory access controller 255, one blender and output format makeup put 260, the direct display unit 265 of one screen, and a processor 270 is formed.
This image input interface 210 is the TV decoding devices 280 that are coupled to an outside, and in order to receive the image data stream that this TV decoding device 280 is produced, this image data stream format is YCbCr or RGB.This dwindles/passes through the resolution of device 215 according to a LCD Panel, dwindles (scaling down) or directly passes through (bypass) computing to carry out one.This buffering area 220 is to be coupled to this to dwindle/pass through device 215, with temporary this input image data stream.This buffering area controller 225 is in order to control the access of this buffering area 220.
This deinterlacing device 230 is coupled to this buffering area 220, so that this image data stream is converted to the noninterlace image format by staggered image format.This amplification/reduction means 235 is coupled to this deinterlacing device 230, according to the resolution of this LCD Panel, the image data of this noninterlace image format is banished greatly or is walked to dwindle.This image processor 240 is coupled to this amplification/reduction means 235, image processing is carried out in this amplification or the image data that dwindles stream, promoting the image quality of this image data stream, image processing can be that brightness processed (brightness), contrast are handled (contrast), the colourity look is handled (hue) and saturated processing (Saturation) frequently.
The direct display unit 265 of this screen (on screen dsplay, OSD) is in order to show the related data of this LCD Panel, for example is brightness (brightness), contrast (contrast), image locking (image lock), the display mode data such as (display mode) of LCD Panel.The makeup of this blender and output format put 260 its be coupled to the direct display unit 265 of this screen and this image processor 240, after image output data stream superimposition, export this LCD Panel again to and play the image output of the direct display unit 265 of this screen and this image processor 240.
This Storage Media interface 250 is the Storage Medias 290 that are coupled to an outside, spread with an image data that will be stored in this Storage Media 290 and to deliver to this buffering area 220, to play, or the image data in this buffering area 220 spread deliver to this this Storage Media 290, to store this image data stream.This outside Storage Media 290 can be CF card, SD card, memory insertion card (Memory Stick Card), clever media card (Smart Media Card), multimedia card (Multi Media Card) or micro harddisk device (Macro Drive), even can be the hard disk unit of an ATA interface, so that memory function to be provided.It is in order to quicken data access speed between this Storage Media interface 250 and this buffering area 220 for this direct memory access (DMA) controller 255.
This image codec 245 is to be coupled to this buffering area 220, with with after the image data stream encryption in this buffering area 220, be resent to this Storage Media interface 250, to be stored in an outside Storage Media 290, or after will reading in image data stream decoding to this buffering area 220 by this Storage Media interface 250, play again.This image codec 245 can be a JPEG codec, so that image is carried out the JPEG coding/decoding.This image codec 245 also can be a MPEG 2 codecs, so that image is carried out MPEG 2 coding/decodings.This image codec 245 also can be a MPEG 4 codecs, so that image is carried out MPEG 4 coding/decodings.
Fig. 2 is the image data transmission schematic diagram of the present invention when playing a TV programme.The TV programme signal of one analogy is decoded as the YCbCr data stream of numeral via this TV decoding device 280, and exports this image input interface 210 to.Because the resolution of general TV programme is lower than the LCD Panel resolution of (figure does not show), thus this dwindle/connected (bypass) computing by device 215 execution always, spread with YCbCr data that should numeral and deliver in this buffering area 220.This buffering area controller 225 is again by reading this digital YCbCr data stream and deliver to this deinterlacing device 230 in this buffering area 220, with YCbCr data stream that should numeral by the salty noninterlaced of alternating expression (interlace) format conversion (non-interlace) form.As shown in Figure 3, the odd field (odd field) in YCbCr data that this is the digital stream converts a noninterlaced picture frame (frame) to even field (even field).
The digital YCbCr data stream of this noninterlaced is amplified to the size that is fit to show to this liquid crystal display via this amplification/reduction means 235 again.Carry out brightness (brightness), contrast (contrast), (hue) and saturated (saturation) image processing of etc.ing frequently of colourity look by this image processor 240 again, the image quality that flows with the digital YCbCr data that strengthens this noninterlaced.At last, put 260 screens via the makeup of this blender and output format and directly show data (OSD data) and flow with the digital YCbCr data of this noninterlaced and mix, and produce a suitable output information stream and output to this LCD Panel the direct display unit 265 of this screen.
Fig. 4 is that the present invention plays a transmission schematic diagram that is stored in the image data in this Storage Media 290.This image data is to be stored in this Storage Media 290 with compressed format.At first this processor 270 reads in the shelves head of this image data by this Storage Media interface 250, carries out decipher via the shelves head of 270 pairs of these these image datas of this processor, and learns the information such as form, size of this image data.This processor 27 is set this direct memory access (DMA) controller 255, so that this image data is moved in this buffering area 220.Again by the decompression of this image codec 245 with image reduction and send back in this buffering area 220.Buffering area controller 225 is again by reading the image data of decompress(ion) in this buffering area 220, and delivers to this alternating device 230, amplification/reduction means 235 and image processor 240 and produce suitable output information streams and output to this LCD Panel.
Fig. 5 is the image data transmission schematic diagram of the present invention when storing a TV programme.The TV programme signal of one analogy is decoded as the YCbCr data stream of numeral via this TV decoding device 280, and exports this image input interface 210 to.Be to save the storage area, thus this dwindle/dwindle (scaling-down) computing by installing 215 execution one, and YCbCr data that should numeral spreads and delivers in this buffering area 220.Send back in this buffering area 220 after by the compression of this image codec 245 image being compressed salty digital YCbCr data formats again.Via this direct memory access (DMA) controller 255, be stored to this Storage Media 290 via this Storage Media interface 250 again with the image data that will compress.So, can reach the purpose of recording a complete TV programs,, can dial and put complete TV programs again via the data transmission path of broadcast Storage Media shown in Figure 4.
By above explanation as can be known, the present invention utilizes this Storage Media interface 250 and direct memory access (DMA) controller 255 to make a TV programme can be stored in the Storage Media 290, and reaches the purpose of recording a complete TV programs.So the present invention not only can solve the problem that known liquid crystal display systems can't store TV programme, can increase user's convenience simultaneously.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (8)
1. the liquid crystal display systems with memory function is characterized in that, comprises:
One image input interface, it receives the image data stream of an outside input;
One buffering area is to be coupled to this image input interface, with temporary this input image data stream;
One deinterlacing device is coupled to this buffering area, so that this image data stream is converted to the noninterlace image format by staggered image format;
One amplification/reduction means is coupled to this deinterlacing device, according to the size of a LCD Panel, banishes this image data of this noninterlace image format big or dwindles;
One image processor is coupled to this amplification/reduction means, and image processing is carried out in this amplification or the image data that dwindles stream, to promote the image quality of this image data stream;
One buffering area controller is in order to control the access of this buffering area;
One Storage Media interface, be Storage Media and this buffering area that is coupled to an outside, spread with an image data that will be stored in this Storage Media and deliver to this buffering area, to play, or the image data in this buffering area spread deliver to this this Storage Media, to store this image data stream; And
One direct memory access controller, it is in order to quicken data access speed between this Storage Media interface and this buffering area.
2. the liquid crystal display systems with memory function as claimed in claim 1 is characterized in that it also comprises:
One image codec, be to be coupled to this buffering area, with with after the image data stream encryption in this buffering area, be resent to this Storage Media interface, to be stored in an outside Storage Media, or after will reading in image data stream decoding to this buffering area by this Storage Media interface, carry and play.
3. the liquid crystal display systems with memory function as claimed in claim 1 is characterized in that it also comprises:
The direct display unit of one screen is in order to show the related data of this LCD Panel; And
The makeup of one blender and output format is put, and it is coupled to the direct display unit of this screen and this image processor, flow superimposition with image output data with the image output of the direct display unit of this screen and this image processor after, play again.
4. the liquid crystal display systems with memory function as claimed in claim 2 is characterized in that, wherein, this image codec can be a JPEG codec, so that image is carried out the JPEG coding/decoding.
5. the liquid crystal display systems with memory function as claimed in claim 2 is characterized in that, wherein, this image codec can be a MPEG 2 codecs, so that image is carried out the MPEG2 coding/decoding.
6. the liquid crystal display systems with memory function as claimed in claim 2 is characterized in that, wherein, this image codec can be a MPEG 4 codecs, so that image is carried out the MPEG4 coding/decoding.
7. the liquid crystal display systems with memory function as claimed in claim 1 is characterized in that, wherein, this image input interface is that the TV decoding device of an outside is put in coupling, to receive the digital image data stream that this TV decoding device is transmitted.
8. the liquid crystal display systems with memory function as claimed in claim 7 is characterized in that, wherein, this digital image data stream for column format down one of them: YCbCr, rgb format.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100319371A CN100385926C (en) | 2004-03-31 | 2004-03-31 | Liquid crystal displaying system with storage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100319371A CN100385926C (en) | 2004-03-31 | 2004-03-31 | Liquid crystal displaying system with storage function |
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| Publication Number | Publication Date |
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| CN1678038A true CN1678038A (en) | 2005-10-05 |
| CN100385926C CN100385926C (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100319371A Expired - Fee Related CN100385926C (en) | 2004-03-31 | 2004-03-31 | Liquid crystal displaying system with storage function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453609B (en) * | 2007-11-30 | 2010-09-08 | 瑞昱半导体股份有限公司 | Image processing system and related image processing method |
| CN101420541B (en) * | 2007-10-26 | 2012-02-01 | 瑞昱半导体股份有限公司 | Television system and video processing method therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9012326D0 (en) * | 1990-06-01 | 1990-07-18 | Thomson Consumer Electronics | Wide screen television |
| US6215459B1 (en) * | 1993-10-01 | 2001-04-10 | Cirrus Logic, Inc. | Dual display video controller |
| US6628243B1 (en) * | 1999-12-09 | 2003-09-30 | Seiko Epson Corporation | Presenting independent images on multiple display devices from one set of control signals |
-
2004
- 2004-03-31 CN CNB2004100319371A patent/CN100385926C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420541B (en) * | 2007-10-26 | 2012-02-01 | 瑞昱半导体股份有限公司 | Television system and video processing method therefor |
| CN101453609B (en) * | 2007-11-30 | 2010-09-08 | 瑞昱半导体股份有限公司 | Image processing system and related image processing method |
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| Publication number | Publication date |
|---|---|
| CN100385926C (en) | 2008-04-30 |
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