CN102340677A - Method for integrating various image signals in digital television and digital television - Google Patents
Method for integrating various image signals in digital television and digital television Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for integrating various image signals in a digital television. The method comprises the following steps of: receiving an LVDS (Low Voltage Differential Signaling) signal, converting the LVDS signal to a RGB (Red Green Blue) image signal and a field synchronization signal and storing in a frame buffer to obtain the format of the RGB image signal; converting the RGB image signal into a RGB image signal of a frame sequential format when the format of the RGB image signal is a left and right frame format or a top and bottom frame format, converting the RGB image signal of the frame sequential format into an LVDS signal and sending the LVDS signal to a liquid crystal panel; and meanwhile, modulating the field synchronization signal into an infrared transmitting signal and sending the infrared transmitting signal to a pair of glasses. The invention further discloses a digital television. The invention has the advantages that the integration of various image signals is realized through the format conversion of the RGB image signal, the back light of an LED back light driving board is turned on and turned off according to the field synchronization signal, and crosstalk is eliminated.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and the DTV of compatible multiple picture signal in a kind of DTV.
Background technology
High speed development along with science and technology; DTV has brought abundant visual experience to people; And the appearance of 3D TV has brought revolutionary change to TV programme especially, has brought strong impact, present 3D (3Dimension for simultaneously televiewer's visual experience; 3 dimensions) picture format of film source mainly is divided into three kinds, comprising: frame sequence, left-right frames and frame format up and down.The 3D film source of frame sequence form is with left-eye image and alternately storage of eye image; And the 3D film source of left-right frames form then in same two field picture existing left-eye frame the right eye frame is arranged, wherein the image left-half is a left-eye frame, right half part is the right eye frame; Frame format and left-right frames form are similar up and down, and in same two field picture, the first half is a left-eye frame, and the latter half is the right eye frame.The existing digital TV can only be play a kind of 3D film source of form in the prior art; Can not realize the compatibility of multiple 3D film source, simultaneously, owing to will make eyes and picture signal relatively more difficult fully synchronously; Make DTV when playing the 3D image, cause easily and crosstalk, influence user's viewing effect.
Summary of the invention
Embodiment of the invention technical problem to be solved is; The method and the DTV of compatible multiple picture signal in a kind of DTV are provided; Can pass through RGB (Red Green Blue; Three primary colors) picture signal is carried out format conversion and is realized the compatible of multiple picture signal and eliminate the advantage of crosstalking according to the switch backlight of said field sync signal control LED (Light Emitting Diode, light-emitting diode) backlight drive plate.
For solving the problems of the technologies described above, the embodiment of the invention provides the method for compatible multiple picture signal in a kind of DTV, comprising:
Receive LVDS (Low-Voltage Differential Signaling Low Voltage Differential Signal) signal, and become RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals;
Obtain the form of said RGB picture signal;
When the form of said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form;
Convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
Preferably, further comprise:
According to said field sync signal, in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, control the switch backlight of LED-backlit drive plate.
Preferably, said form when said RGB picture signal be about frame format, perhaps during the left-right frames form, the RGB picture signal that said RGB picture signal is converted to the frame sequence form specifically comprises:
With the form of picture signal is frame format up and down; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and stored the left-eye image of the frame of eye image and given up.
Preferably, said form when said RGB picture signal be about frame format, perhaps during the left-right frames form, the RGB picture signal that said RGB picture signal is converted to the frame sequence form specifically comprises:
With the form of picture signal is frame format up and down, and perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively.
Preferably; Further comprise: frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, with said field sync signal doubling frequency.
Preferably, saidly convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and also comprises before sending to glasses:
With extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion.
The embodiment of the invention also provides a kind of DTV, comprising:
Modular converter is used to receive the LVDS signal, and becomes RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals;
Acquisition module is used to obtain the form of said RGB picture signal;
Format converting module, the form that is used for when said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form;
Sending module is used for converting the said RGB picture signal that converts the frame sequence form to into the LVDS signal and sends to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
Preferably, said processing module comprises:
Backlight control module is used for according to said field sync signal, in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, controls the switch backlight of LED-backlit drive plate.
Preferably, said format converting module comprises:
First format conversion unit; Be used for the form of picture signal is frame format up and down; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and stored the left-eye image of the frame of eye image and given up.
Preferably, said format converting module comprises:
Second format conversion unit is used for the form of picture signal is frame format up and down that perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively;
Field sync signal doubles the unit; Be used for frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, with said field sync signal doubling frequency.
Preferably, also comprise:
The image spreading module is used for extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion.
Embodiment of the present invention embodiment has following beneficial effect:
Through receiving the LVDS signal; And become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals; Obtain the form of said RGB picture signal; When the form of said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form; Convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.Adopt the present invention, have through the RGB picture signal being carried out format conversion and realize the compatible of multiple picture signal and eliminate the advantage of crosstalking according to the switch backlight of said field sync signal control LED-backlit drive plate.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of first embodiment of the method for compatible multiple picture signal in the DTV of the present invention;
Fig. 2 is the flow chart of second embodiment of the method for compatible multiple picture signal in the DTV of the present invention;
Fig. 3 is the structural representation of embodiment of the invention DTV;
Fig. 4 is the structural representation of first embodiment of the format converting module of embodiment of the invention DTV;
Fig. 5 is the structural representation of second embodiment of the format converting module of embodiment of the invention DTV.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
For making the object of the invention, technical scheme and advantage clearer, below with reference to accompanying drawing to embodiment of the invention further explain.
With reference to figure 1, be the flow chart of first embodiment of the method for compatible multiple picture signal in the DTV of the present invention, as shown in Figure 1, this method may further comprise the steps:
Step S101 receives the LVDS signal, and becomes RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals.
In this step; Said reception LVDS signal, and become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals, be specially; When said DTV is play the 3D image; Said DTV receives the LVDS signal, because the LVDS signal speed of said reception is too high, need be the RGB picture signal and the field sync signal of low speed with the LVDS conversion of signals of said reception.RGB picture signal that said LVDS conversion of signals with reception is a low speed and field sync signal can be gone here and there and change and obtained afterwards through a deserializer, and deposit RGB picture signal and the field sync signal after said string and the conversion in frame buffer.
Step S102 obtains the form of said RGB picture signal.
In this step; The said form that obtains said RGB picture signal is specially, and said RGB figure signal form comprises frame sequence, left-right frames and frame up and down; Said DTV obtains the form of said RGB picture signal according to being stored in the RGB picture signal in the said frame buffer.
Step S103 when the form of said RGB picture signal is the left-right frames form, perhaps up and down during frame format, converts said RGB picture signal to the RGB picture signal of frame sequence form.
In this step, said form when said RGB picture signal is the left-right frames form, perhaps up and down during frame format; Convert said RGB picture signal the RGB picture signal of frame sequence form to, be specially, when playing the 3D image; Finally to export, when the form of said RGB picture signal is the left-right frames form, perhaps up and down during frame format with the mode of frame sequence; The said mode that converts said RGB picture signal the RGB picture signal of frame sequence form to comprises dual mode, and first kind of mode is: the form of picture signal is frame format up and down, and perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image is given up; Stored the left-eye image of the frame of eye image and given up, wherein, left-right frames comprises left-eye frame and right eye frame in the middle of same frame; The corresponding left-eye image of said left-eye frame, the corresponding eye image of right eye frame; And frame and said left-right frames are similar up and down; The corresponding left-eye frame of the first half, the corresponding right eye frame of the latter half, frame format about the form with said picture signal is; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and when the left-eye image of having stored the frame of eye image is given up, will form the alternately frame sequence of storage of left-eye frame and right eye two field picture.The second way is: the form of picture signal is frame format up and down; Perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively; At this moment, a frame is divided into the storage of two frames, forms the alternately frame sequence of storage of left-eye frame and right eye two field picture at last; Frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, because the frame data of RGB picture signal have increased by one times, so need be with said field sync signal doubling frequency.When the form of said RGB picture signal is the frame preface, then need not carry out format conversion.
Step S104 converts the said RGB picture signal that converts the frame sequence form to into the LVDS signal and sends to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
In this step; Saidly convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel; Simultaneously said field sync signal is modulated to the infrared signal and sends to glasses, be specially, when the said RGB picture signal that converts the frame sequence form to is sent to liquid crystal panel; Owing to need the high-speed image signal, send to liquid crystal panel after then converting LVDS signal at a high speed to through RGB picture signal with said low speed; Simultaneously said field sync signal is modulated to the infrared signal and sends to glasses, through field sync signal control said eyes when receiving the 3D image about the switch of eyeglass; Saidly said field sync signal is modulated to the infrared signal sends to glasses and specifically can through a modulator field sync signal be modulated to the infrared emission signal, and be transmitted to glasses through synchronous signal transmitter through the field sync signal that receives after the format conversion.
Embodiment of the present invention embodiment; Through receiving the LVDS signal; And become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals, obtain the form of said RGB picture signal, when the form of said RGB picture signal is the left-right frames form; Perhaps up and down during frame format; Convert said RGB picture signal the RGB picture signal of frame sequence form to, convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.Adopt the present invention, have through the RGB picture signal being carried out format conversion and realize the compatible of multiple picture signal and eliminate the advantage of crosstalking according to the switch backlight of said field sync signal control LED-backlit drive plate.
With reference to figure 2, be the flow chart of second embodiment of the method for compatible multiple picture signal in the DTV of the present invention, as shown in Figure 2, this method may further comprise the steps:
Step S201 to S203 is not here just giving unnecessary details with corresponding one by one and identical with reference to figure 1 described method step S101 to S103.
Step S204 is with extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion.
In this step, said with extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion, be specially; Because when the form of said RGB picture signal is the left-right frames form; Perhaps up and down during frame format, convert said RGB picture signal the RGB picture signal of frame sequence form to, it is less than normal that the picture size of the frame sequence after the said conversion is compared with the picture size before the said format conversion; At this moment; Through extending to format conversion size before after each frame insertion pixel to the RGB picture signal after the said conversion, the influence of playing so just the picture displayed problem can not occur when showing.
Step S205 is not here just giving unnecessary details with corresponding and identical with reference to figure 1 described method step S104.
Step S206 according to said field sync signal, controls the switch backlight of LED-backlit drive plate in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure.
In this step; Said according to said field sync signal, in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, control the switch backlight of LED-backlit drive plate, be specially; When sending to the display panels demonstration owing to form with said frame sequence and LVDS signal; The left-eye frame of said frame sequence and right eye frame cause easily when showing and crosstalk, and through field sync signal, the switch backlight of LED-backlit drive plate is controlled in control in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure; When left-eye image and eye image replace; Be to be easy to generate the moment of crosstalking, at this moment, close the backlight of LED-backlit drive plate through the moment that field sync signal is controlled at alternately; When left-eye image and eye image for opening the backlight of LED-backlit drive plate more later, reached and eliminated the purpose of crosstalking.
Embodiment of the present invention embodiment; Through receiving the LVDS signal; And become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals, obtain the form of said RGB picture signal, when the form of said RGB picture signal is the left-right frames form; Perhaps up and down during frame format; Convert said RGB picture signal the RGB picture signal of frame sequence form to, convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.Adopt the present invention, have through the RGB picture signal being carried out format conversion and realize the compatible of multiple picture signal and eliminate the advantage of crosstalking according to the switch backlight of said field sync signal control LED-backlit drive plate.
With reference to figure 3; The structural representation of embodiment of the invention DTV; As shown in Figure 3, embodiment of the invention DTV mainly comprises: modular converter 11, acquisition module 12, format converting module 13, image spreading module 14, sending module 15 and backlight control module 16.Facing each Elementary Function and correlation down is elaborated.
Modular converter 11 is used to receive the LVDS signal, and becomes RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals;
Said reception LVDS signal; And become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals; Be specially, when said DTV was play the 3D image, said DTV received the LVDS signal; Because the LVDS signal speed of said reception is too high, need be the RGB picture signal and the field sync signal of low speed with the LVDS conversion of signals of said reception.RGB picture signal that said LVDS conversion of signals with reception is a low speed and field sync signal can be gone here and there and change and obtained afterwards through a deserializer, and deposit RGB picture signal and the field sync signal after said string and the conversion in frame buffer.
The said form that obtains said RGB picture signal is specially, and said RGB figure signal form comprises frame sequence, left-right frames and frame up and down, and said DTV obtains the form of said RGB picture signal according to being stored in the RGB picture signal in the said frame buffer.
Format converting module 13, the form that is used for when said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form;
Are structural representations of first embodiment of the format converting module of embodiment of the invention DTV with reference to figure 4, as shown in Figure 4, the format converting module 13 of this DTV comprises first format conversion unit 131, wherein:
First format conversion unit 131; Be used for the form of said picture signal is frame format up and down; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and stored the left-eye image of the frame of eye image and given up.
Said form with picture signal is a frame format up and down, and perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage, and the eye image that will store the frame of left-eye image is given up; Stored the left-eye image of the frame of eye image and given up, be specially when playing the 3D image, finally will export with the mode of frame sequence; When the form of said RGB picture signal is the left-right frames form; Perhaps up and down during frame format, with the form of said picture signal be about frame format, perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image is given up; Stored the left-eye image of the frame of eye image and given up, wherein, left-right frames comprises left-eye frame and right eye frame in the middle of same frame; The corresponding left-eye image of said left-eye frame, the corresponding eye image of right eye frame; And frame and said left-right frames are similar up and down; The corresponding left-eye frame of the first half, the corresponding right eye frame of the latter half, frame format about the form with said picture signal is; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and when the left-eye image of having stored the frame of eye image is given up, will form the alternately frame sequence of storage of left-eye frame and right eye two field picture.
Are structural representations of second embodiment of the format converting module of embodiment of the invention DTV with reference to figure 5, as shown in Figure 5, the format converting module 13 of said DTV comprises that second format conversion unit 132 doubles unit 133 with field sync signal, wherein:
Second format conversion unit 132 is used for the form of said picture signal is frame format up and down that perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively;
Said form with picture signal is a frame format up and down; Perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively; At this moment; One frame is divided into the storage of two frames, forms the alternately frame sequence of storage of left-eye frame and right eye two field picture at last; When the form of said RGB picture signal is the frame preface, then need not carry out format conversion.
Field sync signal doubles unit 133; Be used for frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, with said field sync signal doubling frequency.
Said about be with the form of said picture signal frame format; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively; Because the frame data of RGB picture signal have increased by one times, so need be with said field sync signal doubling frequency.
Said with extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion; Be specially and since when the form of said RGB picture signal be the left-right frames form, perhaps up and down during frame format; Said RGB picture signal is converted to the RGB picture signal of frame sequence form; It is less than normal that the picture size of the frame sequence after the said conversion is compared with the picture size before the said format conversion, at this moment, and through extending to format conversion size before after each frame insertion pixel to the RGB picture signal after the said conversion; The influence of playing so just the picture displayed problem can not occur when showing.
Sending module 15 is used for converting the said RGB picture signal that converts the frame sequence form to into the LVDS signal and sends to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
Saidly convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel; Simultaneously said field sync signal is modulated to the infrared signal and sends to glasses; Be specially; When the said RGB picture signal that converts the frame sequence form to is sent to liquid crystal panel, owing to need the high-speed image signal, send to liquid crystal panel after then converting LVDS signal at a high speed to through RGB picture signal with said low speed; Simultaneously said field sync signal is modulated to the infrared signal and sends to glasses, through field sync signal control said eyes when receiving the 3D image about the switch of eyeglass; Saidly said field sync signal is modulated to the infrared signal sends to glasses and specifically can through a modulator field sync signal be modulated to the infrared emission signal, and be transmitted to glasses through synchronous signal transmitter through the field sync signal that receives after the format conversion.
Said according to said field sync signal; In the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, control the switch backlight of LED-backlit drive plate; Be specially, when sending to the display panels demonstration owing to the form with said frame sequence and LVDS signal, the left-eye frame of said frame sequence and right eye frame cause easily when showing and crosstalk; Pass through field sync signal; The switch backlight of LED-backlit drive plate is controlled in control in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, when left-eye image and eye image replace, is to be easy to generate the moment of crosstalking; At this moment; The moment through field sync signal is controlled at is alternately closed the backlight of LED-backlit drive plate, alternately later opens the backlight of LED-backlit drive plate again when left-eye image and eye image, has reached the purpose that elimination is crosstalked.
Embodiment of the present invention embodiment; Through receiving the LVDS signal; And become RGB picture signal and field sync signal to deposit frame buffer in the said LVDS conversion of signals, obtain the form of said RGB picture signal, when the form of said RGB picture signal is the left-right frames form; Perhaps up and down during frame format; Convert said RGB picture signal the RGB picture signal of frame sequence form to, convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.Adopt the present invention, have through the RGB picture signal being carried out format conversion and realize the compatible of multiple picture signal and eliminate the advantage of crosstalking according to the switch backlight of said field sync signal control LED-backlit drive plate.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (11)
1. the method for compatible multiple picture signal in the DTV is characterized in that, comprising:
Receive the LVDS signal, and become RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals;
Obtain the form of said RGB picture signal;
When the form of said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form;
Convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
2. the method for claim 1 is characterized in that, further comprises:
According to said field sync signal, in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, control the switch backlight of LED-backlit drive plate.
3. method as claimed in claim 2 is characterized in that, said form when said RGB picture signal be about frame format, perhaps during the left-right frames form, the RGB picture signal that said RGB picture signal is converted to the frame sequence form specifically comprises:
With the form of picture signal is frame format up and down; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and stored the left-eye image of the frame of eye image and given up.
4. method as claimed in claim 2 is characterized in that, said form when said RGB picture signal be about frame format, perhaps during the left-right frames form, the RGB picture signal that said RGB picture signal is converted to the frame sequence form specifically comprises:
With the form of picture signal is frame format up and down, and perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively.
5. like any described method of claim 4; It is characterized in that; Further comprise: frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, with said field sync signal doubling frequency.
6. like any described method of claim 1 to 5; It is characterized in that; Saidly convert the said RGB picture signal that converts the frame sequence form to into the LVDS signal and send to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and also comprises before sending to glasses:
With extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion.
7. a DTV is characterized in that, comprising:
Modular converter is used to receive the LVDS signal, and becomes RGB picture signal and field sync signal to deposit frame buffer in said LVDS conversion of signals;
Acquisition module is used to obtain the form of said RGB picture signal;
Format converting module, the form that is used for when said RGB picture signal is the left-right frames form, perhaps up and down during frame format, said RGB picture signal is converted to the RGB picture signal of frame sequence form;
Sending module is used for converting the said RGB picture signal that converts the frame sequence form to into the LVDS signal and sends to liquid crystal panel, simultaneously said field sync signal is modulated to the infrared signal and sends to glasses.
8. DTV as claimed in claim 7 is characterized in that, said processing module comprises:
Backlight control module is used for according to said field sync signal, in the left-eye image of the RGB picture signal of playing the frame sequence form and eye image alternation procedure, controls the switch backlight of LED-backlit drive plate.
9. DTV as claimed in claim 8 is characterized in that, said format converting module comprises:
First format conversion unit; Be used for the form of picture signal is frame format up and down; Perhaps the left-eye image of the consecutive frame of the RGB picture signal of left-right frames form and eye image replace storage; And the eye image that will store the frame of left-eye image gives up, and stored the left-eye image of the frame of eye image and given up.
10. DTV as claimed in claim 8 is characterized in that, said format converting module comprises:
Second format conversion unit is used for the form of picture signal is frame format up and down that perhaps the left-eye image of each frame of the RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively;
Field sync signal doubles the unit; Be used for frame format about the form with said picture signal is; When perhaps the left-eye image of each frame of RGB picture signal of left-right frames form and eye image are stored as left-eye image frame and eye image frame respectively, with said field sync signal doubling frequency.
11. like any described DTV of claim 7 to 10, it is characterized in that, also comprise:
The image spreading module is used for extending to format conversion size before after said each frame insertion pixel through the RGB picture signal after the format conversion.
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CN104065853B (en) * | 2014-06-16 | 2017-02-15 | 北京航空航天大学 | Infrared camera crosstalk eliminating method |
CN104883559A (en) * | 2015-06-06 | 2015-09-02 | 深圳市虚拟现实科技有限公司 | Video playing method and video playing device |
WO2017012365A1 (en) * | 2015-07-22 | 2017-01-26 | 深圳多新哆技术有限责任公司 | Signal conversion device |
CN106817509A (en) * | 2015-12-02 | 2017-06-09 | 广州汽车集团股份有限公司 | Vehicle mounted multimedia signal transmission system and its method |
CN106817509B (en) * | 2015-12-02 | 2019-07-19 | 广州汽车集团股份有限公司 | Vehicle mounted multimedia signal transmission system and its method |
CN106507088A (en) * | 2016-12-14 | 2017-03-15 | 郑州胜龙信息技术股份有限公司 | Receive the 3 D image display method of upper and lower and left-right format piece source signal |
CN109828417A (en) * | 2019-03-27 | 2019-05-31 | 深圳Tcl新技术有限公司 | Double cell liquid crystal display die sets and television set |
CN111464848A (en) * | 2020-03-13 | 2020-07-28 | 深圳市峰泳科技有限公司 | Double-display synchronous display device, head-mounted display device, VR/AR and intelligent glasses |
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