CN103531163A - Display method and display device - Google Patents
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- CN103531163A CN103531163A CN201310365651.6A CN201310365651A CN103531163A CN 103531163 A CN103531163 A CN 103531163A CN 201310365651 A CN201310365651 A CN 201310365651A CN 103531163 A CN103531163 A CN 103531163A
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Abstract
The invention discloses a display method and a display device adopting the display method. The display method is capable of displaying images according to a periodic time sequence, the periodic time sequence comprises a first period, a first vertical blanking interval and a second period, the display method comprises the following steps of providing first picture image data at the first period; keeping the first picture image data at the first vertical blanking interval; providing second picture image data at the second period; and providing backlight at the first vertical blanking interval, wherein the backlight has adjustable luminous intensity.
Description
Technical field
The present invention is about a kind of display packing and display device, display packing and display device that espespecially a kind of delayed type shows.
Background technology
In available liquid crystal display architectures, liquid crystal panel itself belongs to passive demonstration, and needing provides ability show image backlight to liquid crystal panel in addition.Yet liquid crystal transition status needs the regular hour, if backlight, continue all the time to provide, the process that liquid crystal is changed also will arrive into user is observed, and produce the phenomenon of ghost.When display shows dynamic film, because ghost can betide whole picture, this will have a strong impact on film and watch.In addition, in principle, lcd technology belongs to delayed type and shows (hold-type displaying) technology, if only provide backlight in the interval (being vertical blanking interval) of each picture scanning, though can effectively eliminate ghost problem, can luminance shortage, affect color and present.Therefore, available liquid crystal display is often absorbed among facing a difficult choice of ghost and luminance shortage.
Summary of the invention
In view of the problem in prior art, the object of the present invention is to provide a kind of display packing, in vertical blanking interval, provide luminous intensity adjustable backlight, to suppress the impact of ghost and the problem of solution luminance shortage simultaneously.
The invention provides a kind of display packing, in order to according to sequence show image cycle length, this, sequence sequentially comprised the first period, the first vertical blanking interval and the second period cycle length, and this display packing comprises the following step: in this first period, provide the first picture image data; In this first picture image data of this first vertical blanking distance maintaining; In this second period, provide the second picture image data; And the time very first time to the second in this sequence cycle length provide first backlight, this first backlightly has luminous intensity, this luminous intensity capable of regulating.
Preferably, in described display packing, this very first time to the mistiming of this second time and the product of this luminous intensity are predetermined value.
Preferably, in described display packing, this very first time and this second time are all positioned at this first vertical blanking interval.
Preferably, in described display packing, this very first time is positioned at this first period.
Preferably, in described display packing, the mistiming between this very first time and the end point of this first period is 1/5th to 1/4th of this first period.
Preferably, in described display packing, this second time is positioned at this first vertical blanking interval.
Preferably, in described display packing, the second image data section that this first picture image data comprises the first image data section and joins with this first image data section according to scanning sequency, the corresponding relative dynamic image of this first image data section, the corresponding static image relatively of this second image data section, the corresponding initial point that opens that scans this second image data section of this very first time.
Preferably, in described display packing, this second time is positioned at this second period.
Preferably, in described display packing, the first image data section that this second picture image data comprises the 3rd image data section and joins with the 3rd image data section according to scanning sequency, the corresponding static image relatively of the 3rd image data section, the corresponding relative dynamic image of this first image data section, the end point of this first image data section of corresponding scanning of this second time.
Preferably, in described display packing, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
Preferably, in described display packing, this second time is positioned at this second period.
Preferably, in described display packing, this very first time is positioned at this first vertical blanking interval.
Preferably, in described display packing, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
Preferably, in described display packing, this second time is positioned at the end point at this first vertical blanking interval.
Preferably, in described display packing, the method more comprises the following step: in this first period, provide and this first separate second backlight backlight.
Preferably, in described display packing, these second the 3rd four times of time to the in this sequence backlight provide cycle length, and the mistiming between the 3rd time and the end point of this first period is 3/10ths to 2/5ths of this first period.
The present invention also provides a kind of display device, in order to according to sequence show image cycle length, this, sequence sequentially comprised the first period, the first vertical blanking interval and the second period cycle length, and this display device comprises: display panels, backlight module and control module.Display panels has viewing area, control module and be electrically connected to this display panels and this backlight module, this control module provides the first picture image data to this display panels in this first period, in this this display panels of the first vertical blanking Separation control, maintain this first picture image data, in this second period, provide the second picture image data to this display panels, and control this backlight module in the time very first time to the second in this sequence cycle length provide first backlight to this display panels to show in this viewing area image that should the first picture image data, wherein this first backlightly has a luminous intensity, this luminous intensity capable of regulating.
Preferably, in described display device, this very first time to the mistiming of this second time and the product of this luminous intensity are predetermined value.
Preferably, in described display device, this very first time and this second time are all positioned at this first vertical blanking interval.
Preferably, in described display device, this very first time is positioned at this first period.
Preferably, in described display device, the mistiming between this very first time and the end point of this first period is 1/5th to 1/4th of this first period.
Preferably, in described display device, this second time is positioned at this first vertical blanking interval.
Preferably, in described display device, this viewing area comprises the adjacent second area in Ji Yugai first area, first area according to scanning sequency, the second image data section that this first picture image data comprises the first image data section and joins with this first image data section according to scanning sequency, this display panels shows in this first area relative dynamic image that should the first image data section, this display panels shows relative static image that should the second image data section in this second area, the corresponding initial point that opens that scans this second image data section of this very first time.
Preferably, in described display device, this second time is positioned at this second period.
Preferably, in described display device, this viewing area comprises the 3rd region and the first area adjacent with the 3rd region according to scanning sequency, the first image data section that this second picture image data comprises the 3rd image data section and joins with the 3rd image data section according to scanning sequency, this display panels shows in the 3rd region relative static image that should the 3rd image data section, this display panels shows in this first area relative dynamic image that should the first image data section, the end point of this first image data section of corresponding scanning of this second time.
Preferably, in described display device, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
Preferably, in described display device, this second time is positioned at this second period.
Preferably, in described display device, this very first time is positioned at this first vertical blanking interval.
Preferably, in described display device, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
Preferably, in described display device, this second time is positioned at the end point at this first vertical blanking interval.
Preferably, in described display device, this control module control this backlight module in this first period provide with this first backlight separate second backlight to this display panels to show in this viewing area image that should the first picture image data.
Preferably, in described display device, this control module is controlled this backlight module provides this second backlight from the 3rd four times of time to the in this sequence cycle length, and the mistiming between the 3rd time and the end point of this first period is 3/10ths to 2/5ths of this first period.
Compared to prior art, display packing of the present invention and display device mainly provide backlight in vertical blanking interval, reduce ghost and user are watched to the impact of image, especially dynamic image.In addition, the luminous intensity capable of regulating that this is backlight, can compensate the mean flow rate of image, and colors of image can truly be presented.Therefore, display packing of the present invention and display device can suppress the impact of ghost and the problem of solution luminance shortage effectively.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of display device of the present invention;
Fig. 2 is the sequential chart of display device display packing show image according to the present invention in Fig. 1;
Fig. 3 is the process flow diagram of display packing of the present invention;
Fig. 4 is that display packing of the present invention is adjusted schematic diagram backlight;
Fig. 5 is the sequential chart of first embodiment of the invention display device show image;
Fig. 6 is the sequential chart of second embodiment of the invention display device show image;
Fig. 7 is the schematic diagram of the viewing area show image of this second embodiment display device;
Fig. 8 is the sequential chart of third embodiment of the invention display device show image;
Fig. 9 is the schematic diagram of the viewing area show image of the 3rd embodiment display device;
The sequential chart of Figure 10 another embodiment of the present invention display device show image;
Figure 11 is the sequential chart of fourth embodiment of the invention display device show image;
Figure 12 is the process flow diagram of the 4th embodiment display packing.
Embodiment
For making that object of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
Refer to Fig. 1 to Fig. 3, Fig. 1 is the functional block diagram of display device 1 of the present invention, and Fig. 2 is the sequential chart of display device 1 display packing show image according to the present invention, the process flow diagram that Fig. 3 is this display packing.Display device 1 comprises controls module 12, display panels 14 and backlight module 16.Controlling module 12 is electrically connected to display panels 14 and backlight module 16.Display panels 14 has viewing area 142.Control module 12 and control display panels 14 and backlight module 16 with according to scanning sequency show image.Display device 1 is according to sequence TS show image cycle length, and cycle length, sequence TS sequentially comprised the first period TP1, the first vertical blanking interval VB1, the second period TP2 and the second vertical blanking interval VB2, repeats in proper order, as shown in Figure 2.As shown in the image data sequential DL in Fig. 2, controlling module 12 provides the first picture image data D1 to display panels 14, as shown in step S100 in Fig. 3 in the first period TP1; Control module 12 and maintain the first picture image data D1 in the first vertical blanking interval VB1 control LCD 14 plates, as shown in step S110; Controlling module 12 provides the second picture image data D2 to display panels 14, as shown in step S120 in the second period TP2; Control module 12 in the second vertical blanking interval VB2, control LCD 14 plates and maintain the second picture image data D2, as shown in step S130; Control module 12 and repeat in proper order abovementioned steps.In addition, as shown in sequential BL backlight in Fig. 2, control module 12 is also controlled backlight module 16 simultaneously provides the first BL1 backlight to the image of display panels 14 with corresponding the first picture image data D1 of 142 demonstration in viewing area, as shown in step S105 in the first vertical blanking interval VB1; Controlling module 12 control backlight modules 16 provides the first BL1 backlight to display panels 14 another image with corresponding the second picture image data D2 of 142 demonstration in viewing area, as shown in step S125 in the second vertical blanking interval VB2.
What remark additionally is, in logic, the first period TP1 adds that the first vertical blanking interval VB1 is the minimum period of sequence TS cycle length, because the first BL1 backlight of the present invention mainly provides in the first vertical blanking interval VB1, it may extend to the first period TP1 and the second period TP2 (as shown in phantom in Figure 2), therefore for convenience of description, directly to two cycle names; But the invention is not restricted to take the first period TP1 and add that the first vertical blanking interval VB1 is the minimum period.In addition, the first BL1 backlight has luminous intensity, and this luminous intensity capable of regulating increases the luminous intensity of the first BL1 backlight, can promote the brightness of image.In implementation, the adjustment of this luminous intensity can see through user and set, or Da joins the scope that the first BL1 backlight extends and automatically performs.As shown in Figure 4, as the first BL1 backlight, to be adjusted to BL1'(backlight shown in dotted line) time, BL1' backlight is adjusted to automatically has the expanded range of relative narrower and larger luminous intensity, with reduce or eliminate adjust before and after the variation of image brilliance.In implementation, can be designed to the first BL1 backlight and there is identical luminous intensity to time integral with BL1' backlight, that is the expanded range W1 of the first BL1 backlight is multiplied by the expanded range W2 that its luminous intensity L1 equals BL1' backlight and is multiplied by its luminous intensity L2; But the present invention is not as limit.The adjustable features of the luminous intensity of this first BL1 backlight can be applicable to, in each embodiment of aftermentioned, separately not repeat according to situation, and for simplifying drawing, in the relevant drawing of each embodiment of aftermentioned, also shows no longer especially this adjustable features.
Refer to Fig. 5, it is the sequential chart of first embodiment of the invention display device 1 show image.Control module 12 and control backlight modules 16 and provide the first BL1 backlight from very first time t1 to the second time t2 in cycle length sequence TS, very first time t1 and the second time t2 are all positioned at the first vertical blanking interval VB1.Because the first picture image data D1 is sent to display panels 14 when the first vertical blanking interval VB1 completely, so time backlight module 16 the first BL1 backlight is provided, user can not observe the process of display panels 14 liquid crystal conversions, the edge that can effectively suppress image object in phenomenon, the especially dynamic image of image fog (or meaning ghost).In implementation, what very first time t1 and the second time t2 can be pushed into respectively the first vertical blanking interval VB1 opens initial point and end point; In this adjustment process, the explanation of aforementioned luminous intensity backlight and expanded range is also applicable, that is the mistiming of very first time t1 to the second time t2 and the product of luminous intensity are roughly predetermined value.
Refer to Fig. 6 and Fig. 7, Fig. 6 is the sequential chart of second embodiment of the invention display device 1 show image, and Fig. 7 is the schematic diagram of second embodiment of the invention viewing area 142 show images.Compared to the first embodiment, in the second embodiment, provide the very first time t1 of the first BL1 backlight to expand to the first period TP1, the second time t2 maintains and is positioned at the first vertical blanking interval VB1, wherein the mistiming between very first time t1 and the end point of the first period TP1 be about the first period TP1 length 1/5th to 1/4th, but the present invention is not as limit.In the second embodiment, viewing area 142 comprises first area 142a and the second area 142b adjacent with first area 142a according to scanning sequency, second area 142b accounts for 1/5th to 1/4th of whole viewing area 142, that is and very first time t1 and the end point of the first period TP1 between mistiming and the ratio of the first period TP1 suitable, but the present invention is not as limit.In addition, the second image data section D14 that the first picture image data D1 comprises the first image data section D12 and joins with the first image data section D12 according to scanning sequency, display panels 14 shows the image of corresponding the first image data section D12 in first area 142a, and the image that shows corresponding the second image data section D14 in this second area 142b, wherein very first time t1 is the initial point that opens of corresponding scanning the second image data section D14.In the first BL1 backlight, in the first period TP1, provide, variation when although user will observe the video conversion that is positioned at second area 142b, but in the second embodiment, the image of corresponding the first image data section D12 is relative dynamic image, and the image of corresponding the second image data section D14 is relative static image, it is little that the degree that its image changes is come more than dynamic image, on user watch image to affect nature also little.In practical application, for example online game, its image display is also divided into upper and lower two regions conventionally, and wherein upper area presents the image that game carries out immediately (such as the movement of game character, interaction etc.), and it belongs to dynamic image; The information (information that such as the ability value of game character, mutual exchanged messages, games system provide etc.) of player in game is provided lower zone, and it belongs to static image.Therefore, this design can effectively suppress the impact that video conversion is watched user, and still can improve the time that 16 pairs of display panels 14 of backlight module provide the first BL1 backlight, more can meet easily required backlight of image brilliance.
Refer to Fig. 8 and Fig. 9, Fig. 8 is the sequential chart of third embodiment of the invention display device 1 show image, and Fig. 9 is the schematic diagram of third embodiment of the invention viewing area 142 show images.Compared to the second embodiment, in the 3rd embodiment, provide the second time t2 of the first BL1 backlight to expand to the second period TP2, wherein the second time t2 and the second period TP2 open 1/10th to 1/8th of length that mistiming between initial point is about the second period TP2, but the present invention is not as limit.Compared to the second embodiment, in the 3rd embodiment, viewing area 142 also comprises the 3rd region 142c according to scanning sequency, thereafter in abutting connection with first area 142a, the 3rd region 142c accounts for 1/10th to 1/8th of whole viewing area 142, similarly that is approximately suitable with the ratio of the second period TP2 with mistiming of opening between initial point of the second time t2 and the second period TP2, but the present invention is not as limit.In addition, the first picture image data D1 and the second picture image data D2 comprise the 3rd image data section D16, the first image data section D12 and the second image data section D14 according to scanning sequency separately.Display panels 14 shows the image of corresponding the first image data section D12 in first area 142a, the image that shows corresponding the second image data section D14 in this second area 142b, the image that shows corresponding the 3rd image data section D16 in the 3rd region 142c, wherein very first time t1 corresponding scanning the first picture image data D1 the second image data section D12 open initial point, the end point of the first image data section D16 of the corresponding scanning of the second time t2 the second picture image data D2.Compared to the second embodiment, in the 3rd embodiment, the image of corresponding the 3rd image data section D16 is also relative static image, and for example the new line viewing area of online game, can be used for the information (such as game progress, both sides' military success etc.) that shows that games system provides.Suitable with the explanation of aforementioned the second embodiment, the design of the 3rd embodiment also can effectively suppress the impact that video conversion is watched user, and still can improve the time that 16 pairs of display panels 14 of backlight module provide the first BL1 backlight, more can meet easily required backlight of image brilliance.Other related description can be consulted the aforementioned explanation about the second embodiment, separately do not repeat.
What remark additionally is, as illustrated in aforementioned second and third embodiment, because static image intensity of variation is less, the impact of the visually image fog that user is caused is also less, and general relatively static image comes across top or the bottom of viewing area 142 more, therefore the present invention utilizes this characteristic by the first BL1 backlight providing in the first vertical blanking interval VB1, puts off forward, backward to obtain the larger backlight luminescence time, can meet easily required backlight of image brilliance.Therefore, in practical application, except previous embodiment, the very first time t1 of the first BL1 backlight also can set and be positioned at the first vertical blanking interval VB1, and the second time t2 sets and is positioned at the second period TP2, as shown in figure 10; Wherein, the second time t2 can maintain with aforementioned the 3rd embodiment in the position of the second time t2, and very first time t1 can be positioned at the initial point that opens of the first vertical blanking interval VB1 further.
In previous embodiment, backlight module 16 only provides the first BL1 backlight in sequential BL backlight, but the present invention is not as limit.Refer to Figure 11 and Figure 12, Figure 11 is the sequential chart of fourth embodiment of the invention display device 1 show image, and Figure 12 is the process flow diagram of fourth embodiment of the invention display packing.Compared to the first embodiment, in the 4th embodiment, control module 12 is also controlled backlight module 16 simultaneously provides the second BL2 backlight dividing out with the first BL1 backlight to the image of display panels 14 with corresponding the first picture image data D1 of 142 demonstration in viewing area, as shown in step S102 in the first period TP1; Similarly, controlling module 12 control backlight modules 16 provides the second BL2 backlight dividing out with the first BL1 backlight to the image of display panels 14 with corresponding the second picture image data D2 of 142 demonstration in viewing area, as shown in step S122 in the second period TP2.Therefore, in sequential BL backlight, have two BL1 backlight, BL2, with shorten between BL1 backlight, BL2 without the time backlight, when user thinks that video picture shows flicker and while having sense of discomfort, this design can slow down the discomfort of visually image flicker of user.In implementation, controlling module 12 controls backlight modules 16 and provides the second BL2 backlight from the 3rd time t3 to the four time t4 in cycle length sequence TS, mistiming between the 3rd time t3 and the end point of the first period TP1 can be controlled in be about the first period TP1 length 3/10ths to 2/5ths, wherein the 4th time t4 early than very first time t1 to meet the first BL1 backlight requirement separated with the second BL2 backlight; In other words, when scanning is carried out near 142 below, viewing area, provide again the second BL2 backlight as far as possible, to reduce video conversion, user is watched to the impact of image.Aforementioned about utilizing the second BL2 backlight to cause uncomfortable explanation to reduce visually because image glimmers, be also applicable to, in aforementioned each embodiment, needless to say repeat.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment having disclosed does not limit the scope of the invention.On the contrary, the change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (17)
1. a display packing, in order to according to sequence show image cycle length, this, sequence sequentially comprised the first period, the first vertical blanking interval and the second period cycle length, and this display packing comprises the following step:
In this first period, provide the first picture image data;
In this first picture image data of this first vertical blanking distance maintaining;
In this second period, provide the second picture image data; And
The time very first time to the second in this sequence provides first backlight cycle length, and this first backlightly has luminous intensity, this luminous intensity capable of regulating.
2. display packing as claimed in claim 1, is characterized in that, this very first time to the mistiming of this second time and the product of this luminous intensity are predetermined value.
3. display packing as claimed in claim 1, is characterized in that, this very first time and this second time are all positioned at this first vertical blanking interval.
4. display packing as claimed in claim 1, is characterized in that, this very first time is positioned at this first period.
5. display packing as claimed in claim 4, is characterized in that, the mistiming between this very first time and the end point of this first period is 1/5th to 1/4th of this first period.
6. display packing as claimed in claim 4, is characterized in that, this second time is positioned at this first vertical blanking interval.
7. display packing as claimed in claim 6, it is characterized in that, the second image data section that this first picture image data comprises the first image data section and joins with this first image data section according to scanning sequency, the corresponding relative dynamic image of this first image data section, the corresponding static image relatively of this second image data section, the corresponding initial point that opens that scans this second image data section of this very first time.
8. display packing as claimed in claim 4, is characterized in that, this second time is positioned at this second period.
9. display packing as claimed in claim 8, it is characterized in that, the first image data section that this second picture image data comprises the 3rd image data section and joins with the 3rd image data section according to scanning sequency, the corresponding static image relatively of the 3rd image data section, the corresponding relative dynamic image of this first image data section, the end point of this first image data section of corresponding scanning of this second time.
10. display packing as claimed in claim 8, is characterized in that, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
11. display packings as claimed in claim 1, is characterized in that, this second time is positioned at this second period.
12. display packings as claimed in claim 11, is characterized in that, this very first time is positioned at this first vertical blanking interval.
13. display packings as claimed in claim 11, is characterized in that, this second period to open initial point and the mistiming of this second time be this second period 1/10th to 1/8th.
14. display packings as claimed in claim 1, is characterized in that, this second time is positioned at the end point at this first vertical blanking interval.
15. display packings as claimed in claim 1, is characterized in that, the method more comprises the following step: in this first period, provide and this first separate second backlight backlight.
16. display packings as claimed in claim 15, it is characterized in that, these second the 3rd four times of time to the in this sequence backlight provide cycle length, and the mistiming between the 3rd time and the end point of this first period is 3/10ths to 2/5ths of this first period.
17. 1 kinds of display device, in order to according to sequence show image cycle length, this, sequence sequentially comprised the first period, the first vertical blanking interval and the second period cycle length, and this display device comprises:
Display panels, has viewing area;
Backlight module; And
Control module, be electrically connected to this display panels and this backlight module, this control module provides the first picture image data to this display panels in this first period, in this this display panels of the first vertical blanking Separation control, maintain this first picture image data, in this second period, provide the second picture image data to this display panels, and control this backlight module in the time very first time to the second in this sequence cycle length provide first backlight to this display panels to show in this viewing area image that should the first picture image data, wherein this first backlightly has a luminous intensity, this luminous intensity capable of regulating.
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| CN107068068A (en) * | 2017-02-15 | 2017-08-18 | 明基电通有限公司 | Display system and the method for showing image |
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| WO2019184458A1 (en) * | 2018-03-28 | 2019-10-03 | 惠科股份有限公司 | Display device and backlight control method |
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| CN107068068A (en) * | 2017-02-15 | 2017-08-18 | 明基电通有限公司 | Display system and the method for showing image |
| CN108269548A (en) * | 2018-02-12 | 2018-07-10 | 苏州佳世达电通有限公司 | Display device and method for controlling backlight thereof |
| WO2019184458A1 (en) * | 2018-03-28 | 2019-10-03 | 惠科股份有限公司 | Display device and backlight control method |
| CN109493815A (en) * | 2018-12-07 | 2019-03-19 | 友达光电股份有限公司 | Display device and backlight driving method |
| CN111261126A (en) * | 2020-03-24 | 2020-06-09 | 合肥京东方光电科技有限公司 | Display panel driving method and device and display panel |
| CN111261126B (en) * | 2020-03-24 | 2022-03-18 | 合肥京东方光电科技有限公司 | Display panel driving method and device and display panel |
| CN112530375A (en) * | 2020-12-02 | 2021-03-19 | 福州京东方光电科技有限公司 | Driving method of display device, display device and storage medium |
| CN115171598A (en) * | 2022-07-27 | 2022-10-11 | 富满微电子集团股份有限公司 | Blanking circuit and chip |
| CN115171598B (en) * | 2022-07-27 | 2023-04-18 | 富满微电子集团股份有限公司 | Blanking circuit and chip |
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