CN104167196B - The control method of a kind of backlight illumination, device and electronic equipment - Google Patents
The control method of a kind of backlight illumination, device and electronic equipment Download PDFInfo
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Abstract
The present invention is applicable to electronic device field, it is provided that the control method of a kind of backlight illumination, device and electronic equipment, and described method includes: obtain current eyes image；Current eyes image is contrasted with standard eyes image, obtains comparing result, described standard eyes image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user of acquisition；According to comparing result adjusting backlight luminance.The present invention, compares current eyes image with the standard eyes image obtained in advance, if current eyes image is compared with standard eyes image, carrys out adjusting backlight luminance according to comparison result.Due to standard eyes image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user obtained, so, finally regulating the backlight illumination obtained is the backlight illumination being suitable for concrete user, personalized backlight illumination regulation can be carried out for different users.
Description
Technical field
The invention belongs to electronic device field, particularly relate to the control method of a kind of backlight illumination, device and electricity
Subset.
Background technology
Along with the development of science and technology, electronic equipment is widely used in the life of the mankind.People
Electronic equipment reading electronic book can be used, browse webpage, viewing video or play game, but carry out these
During operation, it is required for eyes and stares at the display screen of electronic equipment.If user stares at display screen for a long time,
And the backlight illumination of display screen is when being not suitable for user, the eyes of user may feel that the most uncomfortable.
Although existing electronic equipment has had the function of adjusting backlight luminance, but, existing electronics sets
Standby when carrying out backlight illumination regulation, actually developer according to oneself sensation or comes according to investigation
Data ambient brightness is set, and then ambient brightness is corresponding with backlight illumination, according to ambient brightness
Change carrys out adjusting backlight luminance.It can be seen that the existing result being automatically adjusted backlight illumination applies to ring
The backlight illumination regulation in border, under same environment, all with using this electronics per family under same backlight illumination
Equipment.And use each user of electronic equipment, and in the environment of identical, may be to the requirement of backlight illumination
Differ, so, existing back light brightness regulating method is not fully appropriate for concrete each user,
According to each user, the requirement of backlight illumination can not be carried out adaptive adjusting backlight luminance.
Summary of the invention
Embodiments provide the control method of a kind of backlight illumination, device and electronic equipment, it is intended to solve
The certainly control method of the backlight illumination that prior art provides, it is impossible to according to each user requirement to backlight illumination
The problem carrying out adaptive adjusting backlight luminance.
On the one hand, it is provided that the control method of a kind of backlight illumination, described method includes:
Obtain current eyes image；
Current eyes image is contrasted with standard eyes image, obtains comparing result, described standard eye
Image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user of acquisition；
According to comparing result adjusting backlight luminance.
Further, before the current eyes image of described acquisition, also include:
Acquisition standard eyes image；
The eye contour of acquisition standard eyes image and pupil profile；
According to described eye contour between left and right away from described eye contour between the upper and lower away from obtaining between standard eyes
Away from ratio；
According to described pupil profile between left and right away from described eye contour between left and right away from obtaining between standard pupil
Away from ratio.
Further, described current eyes image is contrasted with standard eyes image, obtain comparing result
Including:
Obtain eye contour and the pupil profile of current eyes image；
According to described eye contour between the upper and lower away from described eye contour between left and right away from obtaining between current eye
Away from ratio；
According to described pupil profile between left and right away from described eye contour between left and right away from obtaining between current pupil
Away from ratio；
By described current eye spacing ratio, current interpupillary distance ratio respectively with described standard eyes gap ratio
Value, standard interpupillary distance ratio contrast, and obtain comparing result.
Further, described include according to comparing result adjusting backlight luminance:
If comparing result shows current eyes image comparison with standard eyes image, pupil becomes greatly, eyes are opened wide,
Then improve backlight brightness values；
If comparing result shows current eyes image comparison with standard eyes image, pupil diminishes, eyes are opened little,
Then reduce backlight brightness values.
On the other hand, it is provided that the adjusting means of a kind of backlight illumination, described device includes:
First image acquisition unit, is used for obtaining current eyes image；
Contrast unit, for being contrasted with standard eyes image by current eyes image, obtains comparing result,
Described standard eyes image be backlight illumination meet eyes of user comfort level require time, the eye of the user of acquisition
Image；
Brightness adjusting unit, for according to comparing result adjusting backlight luminance.
Further, described device also includes:
Second image acquisition unit, is used for obtaining standard eyes image；
Profile acquiring unit, for obtaining eye contour and the pupil profile of standard eyes image；
Standard eyes gap ratio value acquiring unit, for according to described eye contour between left and right away from described eye
Eyeball profile between the upper and lower away from obtaining standard eyes gap ratio value；
Standard interpupillary distance ratio acquiring unit, for according to described pupil profile between left and right away from described eye
Eyeball profile between left and right away from obtaining standard interpupillary distance ratio.
Further, described contrast unit includes:
Profile acquisition module, for obtaining eye contour and the pupil profile of current eyes image；
Current eye spacing ratio acquisition module, for according to described eye contour between the upper and lower away from described eye
Eyeball profile between left and right away from obtaining current eye spacing ratio；
Current interpupillary distance ratio acquisition module, for according to described pupil profile between left and right away from described eye
Eyeball profile between left and right away from obtaining current interpupillary distance ratio；
Contrast module, is used for described current eye spacing ratio, current interpupillary distance ratio respectively with described
Standard eyes gap ratio value, standard interpupillary distance ratio contrast, and obtain comparing result.
Further, described brightness adjusting unit includes:
First luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil becomes greatly, eyes are opened wide, then improve backlight brightness values；
Second luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil diminishes, eyes are opened little, then reduce backlight brightness values.
Another further aspect, it is provided that a kind of electronic equipment, described electronic equipment includes backlight illumination as above
Adjusting means.
In the embodiment of the present invention, current eyes image is compared with the standard eyes image obtained in advance,
If current eyes image is compared with standard eyes image, carry out adjusting backlight luminance according to comparison result.Due to mark
Quasi-eyes image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user of acquisition,
So, finally regulating the backlight illumination obtained is the backlight illumination being suitable for concrete user, can be for difference
User, carry out the regulation of personalized backlight illumination.
Accompanying drawing explanation
Fig. 1 is the flowchart of the control method of the backlight illumination that the embodiment of the present invention one provides；
Fig. 2 is standard eyes gap ratio value and the mark of the acquisition standard eyes image that the embodiment of the present invention one provides
The flowchart of quasi-interpupillary distance ratio；
Fig. 3 is the eye contour extracted and the pupil profile schematic diagram of the embodiment of the present invention one offer；
Fig. 4 be the eye contour that provides of the embodiment of the present invention one away from L and eye contour between the upper and lower between left and right
Away from H schematic diagram；
Fig. 5 is being contrasted with standard eyes image by current eyes image of the embodiment of the present invention one offer,
Obtain the flowchart of comparing result；
Fig. 6 is the structured flowchart of the adjusting means of the backlight illumination that the embodiment of the present invention two provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
In embodiments of the present invention, current eyes image is first obtained；Again by current eyes image and standard eye
Image contrasts, and obtains comparing result, described standard eyes image be backlight illumination meet eyes of user relax
When appropriateness requires, the eyes image of the user of acquisition；Finally according to comparing result adjusting backlight luminance.
Below in conjunction with specific embodiment, the realization of the present invention is described in detail:
Embodiment one
Fig. 1 shows the flow process that realizes of the control method of the backlight illumination that the embodiment of the present invention one provides, and describes in detail
As follows:
In step S101, obtain current eyes image.
In embodiments of the present invention, user passes through electronic equipment reading electronic book, browses webpage, viewing video
Or when playing game, it is required for eyes and stares at the display screen of electronic equipment.
When the backlight brightness values of display is the biggest, user feels that the backlight of display is the brightest, eyes meeting
Open wide, pupil becomes big, it is intended to obtain more light；When the backlight brightness values of display is the biggest, user
The backlight of sensation display is the brightest, and eyes can open little-trend elongated shape, pupil diminishes.
Electronic equipment can be with the eyes image of user in real.Concrete, can be by the phase of electronic equipment
Machine shoots, and obtains the eyes image of user.
In step s 102, current eyes image is contrasted with standard eyes image, obtain contrast knot
Really, described standard eyes image be backlight illumination meet eyes of user comfort level require time, the user's of acquisition
Eyes image.
In embodiments of the present invention, before performing step S101, in addition it is also necessary to perform following steps, these steps
Suddenly have only to perform once, can be got by following steps between the standard eyes of standard eyes image
Away from ratio and standard interpupillary distance ratio, idiographic flow is as in figure 2 it is shown, include:
Step 1, acquisition standard eyes image.
Wherein, standard eyes image be backlight illumination meet eyes of user comfort level require time, namely user
When backlight illumination is best suitable for user, by the eyes image of the user that camera shoots.
User, when using electronic equipment, first oneself can regulate the backlight illumination of display screen, at backlight illumination
When reaching the most comfortable state of oneself eye, comprised the photo of oneself eye by camera self-timer, should
Photo is as standard eyes image.
Follow-up, when carrying out backlight illumination regulation, with this standard eyes image as reference frame, if photographed
User is when using display screen, and in the eyes image that shooting obtains, the shape of eyes, the size of pupil are compared
Standard picture is varied from, then to regulate the backlight illumination of display screen adaptively.
Step 2, the eye contour obtaining standard eyes image and pupil profile.
Wherein it is possible to extract eye contour and pupil wheel from standard eyes image by contours extract algorithm
Exterior feature, the eye contour extracted and pupil profile are as shown in Figure 3.
Step 3, according to described eye contour between left and right away from described eye contour between the upper and lower away from being marked
Quasi-eye relief distances ratio.
Wherein it is possible to choose several sampled point on the eye contour shown in Fig. 3 and pupil profile, such as,
In figure 3, in eye contour set 4 sampled points, respectively eyes sampled point 1, eyes sampled point 2,
Eyes sampled point 3 and eyes sampled point 4；4 sampled points, respectively pupils of same setting in pupil profile
Sampled point 1, pupil sampled point 2, pupil sampled point 3 and pupil sampled point 4.
As shown in Figure 4, eye can be calculated by the coordinate position of eyes sampled point 2 and eyes sampled point 4
Eyeball profile between left and right away from L, can be calculated by the coordinate position of eyes sampled point 1 and eyes sampled point 3
Go out eye contour between the upper and lower away from H, calculate the ratio of H Yu L, i.e. can get standard eye eyeball spacing ratio,
When the shape of human eye changes, eye relief distances ratio can change, so by eye relief distances ratio
Change may determine that eyes are opened wide or open little.
Step 4, according to described pupil profile between left and right away from described eye contour between left and right away from obtaining standard
Interpupillary distance ratio.
Pupil profile can be calculated between left and right by the coordinate position of pupil sampled point 2 and pupil sampled point 4
Away from L, owing to generally changing away from L between left and right of human eye eye contour is little, so by calculating pupil between left and right
Away from the ratio between L between left and right of L and eye contour, it is known that pupil is to become big or diminish.
Concrete, current eyes image is contrasted with standard eyes image, obtains the flow process of comparing result
As it is shown in figure 5, comprise the following steps:
Step 11, the eye contour obtaining current eyes image and pupil profile.
Step 12, according to described eye contour between the upper and lower away from described eye contour between left and right away from being worked as
Front eye relief distances ratio.
Step 13, according to described pupil profile between left and right away from described eye contour between left and right away from being worked as
Front interpupillary distance ratio.
Step 14, by described current eye spacing ratio, current interpupillary distance ratio respectively with described standard eye
Eyeball spacing ratio, standard interpupillary distance ratio contrast, and obtain comparing result.
Wherein, the standard eyes gap ratio value that current eye spacing ratio and the step 3 step 12 obtained obtains
Contrast, the standard interpupillary distance ratio that current interpupillary distance ratio and the step 4 step 13 obtained obtains
Contrast, if the standard eyes gap ratio that the current eye spacing ratio that step 12 obtains obtains more than step 3
It is worth, and the current interpupillary distance ratio that step 13 obtains is more than the standard interpupillary distance ratio that step 4 obtains, then
The pupil of user becomes greatly, eyes are opened wide；If the current eye spacing ratio that step 12 obtains obtains less than step 3
Standard eyes gap ratio value, and the standard that the current interpupillary distance ratio that obtains of step 13 obtains less than step 4
Interpupillary distance ratio, then the pupil of user diminishes, eyes are opened little, and the shape of eyes tends to elongated shape.
In step s 103, according to comparing result adjusting backlight luminance.
In embodiments of the present invention, if comparing result shows current eyes image comparison with standard eyes image,
Pupil becomes greatly, eyes are opened wide, represents that the backlight brightness values of display screen is less than normal, the most slowly improves backlight brightness values,
It is then back to perform step S101, obtains next width eyes image, according to next width eyes image and standard eye
The comparing result of portion's image adjusting backlight luminance again, until the user that makes that backlight illumination reaches standard feels easypro
The brightness of clothes.
If comparing result shows current eyes image comparison with standard eyes image, pupil diminishes, eyes are opened little,
Represent that the backlight brightness values of display screen is bigger than normal, the most slowly reduce backlight brightness values, be then back to perform step
S101, obtains next width eyes image, according to the comparing result of next width eyes image Yu standard eyes image
Adjusting backlight luminance again, until the user that makes that backlight illumination reaches standard feels comfortable brightness.
The present embodiment, compares current eyes image with the standard eyes image obtained in advance, if currently
Eyes image, compared with standard eyes image, carrys out adjusting backlight luminance according to comparison result.Due to standard eye
Image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user of acquisition, so,
Finally regulating the backlight illumination obtained is the backlight illumination being suitable for concrete user, can be for different use
Family, carries out personalized backlight illumination regulation.
One of ordinary skill in the art will appreciate that all or part of step realizing in the various embodiments described above method
The program that can be by completes to instruct relevant hardware, and corresponding program can be stored in a computer can
Reading in storage medium, described storage medium, such as ROM/RAM, disk or CD etc..
Embodiment two
Fig. 6 shows the concrete structure block diagram of the adjusting means of the backlight illumination that the embodiment of the present invention two provides,
For convenience of description, illustrate only the part relevant to the embodiment of the present invention.This device 6 can be to be built in
The unit of software unit, hardware cell or software and hardware combining in electronic equipment, this electronic equipment can be
Mobile terminal, this device 6 includes:
Wherein, the first image acquisition unit 61, it is used for obtaining current eyes image；
Contrast unit 62, for being contrasted with standard eyes image by current eyes image, obtains contrast knot
Really, described standard eyes image be backlight illumination meet eyes of user comfort level require time, the user's of acquisition
Eyes image；
Brightness adjusting unit 63, for according to comparing result adjusting backlight luminance.
Further, described device 6 also includes:
Second image acquisition unit, is used for obtaining standard eyes image；
Profile acquiring unit, for obtaining eye contour and the pupil profile of standard eyes image；
Standard eyes gap ratio value acquiring unit, for according to described eye contour between left and right away from described eye
Eyeball profile between the upper and lower away from obtaining standard eyes gap ratio value；
Standard interpupillary distance ratio acquiring unit, for according to described pupil profile between left and right away from described eye
Eyeball profile between left and right away from obtaining standard interpupillary distance ratio.
Concrete, described contrast unit 62 includes:
Profile acquisition module, for obtaining eye contour and the pupil profile of current eyes image；
Current eye spacing ratio acquisition module, for according to described eye contour between the upper and lower away from described eye
Eyeball profile between left and right away from obtaining current eye spacing ratio；
Current interpupillary distance ratio acquisition module, for according to described pupil profile between left and right away from described eye
Eyeball profile between left and right away from obtaining current interpupillary distance ratio；
Contrast module, is used for described current eye spacing ratio, current interpupillary distance ratio respectively with described
Standard eyes gap ratio value, standard interpupillary distance ratio contrast, and obtain comparing result.
Concrete, described brightness adjusting unit 63 includes:
First luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil becomes greatly, eyes are opened wide, then improve backlight brightness values；
Second luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil diminishes, eyes are opened little, then reduce backlight brightness values.
The adjusting means of the backlight illumination that the embodiment of the present invention provides can apply the method in aforementioned correspondence to implement
In example one, details see the description of above-described embodiment one, do not repeat them here.
It should be noted that in said apparatus embodiment, included unit is according to function logic
Carry out dividing, but be not limited to above-mentioned division, as long as being capable of corresponding function；Separately
Outward, the specific name of each functional unit also only to facilitate mutually distinguish, is not limited to the present invention's
Protection domain.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (5)
1. the control method of a backlight illumination, it is characterised in that described method includes:
Obtain current eyes image；
Current eyes image is contrasted with standard eyes image, obtains comparing result, described standard eye
Image be backlight illumination meet eyes of user comfort level require time, the eyes image of the user of acquisition；
According to comparing result adjusting backlight luminance；
Before the current eyes image of described acquisition, also include:
Acquisition standard eyes image；
The eye contour of acquisition standard eyes image and pupil profile；
Described eye contour according to standard eyes image between the upper and lower away from the described eyes with standard eyes image
Profile between left and right away from obtaining standard eyes gap ratio value；
Described pupil profile according to standard eyes image between left and right away from the described eyes with standard eyes image
Profile between left and right away from obtaining standard interpupillary distance ratio；
Described current eyes image is contrasted with standard eyes image, obtains comparing result and include:
Obtain eye contour and the pupil profile of current eyes image；
Described eye contour according to current eyes image between the upper and lower away from the described eyes with current eyes image
Profile between left and right away from obtaining current eye spacing ratio；
Described pupil profile according to current eyes image between left and right away from the described eyes with current eyes image
Profile between left and right away from obtaining current interpupillary distance ratio；
By described current eye spacing ratio, current interpupillary distance ratio respectively with described standard eyes gap ratio
Value, standard interpupillary distance ratio contrast, and obtain comparing result.
2. the method for claim 1, it is characterised in that described bright according to comparing result regulation backlight
Degree includes:
If comparing result shows current eyes image comparison with standard eyes image, pupil becomes greatly, eyes are opened wide,
Then improve backlight brightness values；
If comparing result shows current eyes image comparison with standard eyes image, pupil diminishes, eyes are opened little,
Then reduce backlight brightness values.
3. the adjusting means of a backlight illumination, it is characterised in that described device includes:
First image acquisition unit, is used for obtaining current eyes image；
Contrast unit, for being contrasted with standard eyes image by current eyes image, obtains comparing result,
Described standard eyes image be backlight illumination meet eyes of user comfort level require time, the eye of the user of acquisition
Image；
Brightness adjusting unit, for according to comparing result adjusting backlight luminance；
Described device also includes:
Second image acquisition unit, is used for obtaining standard eyes image；
Profile acquiring unit, for obtaining eye contour and the pupil profile of standard eyes image；
Standard eyes gap ratio value acquiring unit, for the described eye contour according to standard eyes image
The described eye contour of lower spacing and standard eyes image between left and right away from obtaining standard eyes gap ratio value；
Standard interpupillary distance ratio acquiring unit, for a left side for the described pupil profile according to standard eyes image
The described eye contour of space on right and standard eyes image between left and right away from obtaining standard interpupillary distance ratio；
Described contrast unit includes:
Profile acquisition module, for obtaining eye contour and the pupil profile of current eyes image；
Current eye spacing ratio acquisition module, for the described eye contour according to current eyes image
The described eye contour of lower spacing and current eyes image between left and right away from obtaining current eye spacing ratio；
Current interpupillary distance ratio acquisition module, for a left side for the described pupil profile according to current eyes image
The described eye contour of space on right and current eyes image between left and right away from obtaining current interpupillary distance ratio；
Contrast module, is used for described current eye spacing ratio, current interpupillary distance ratio respectively with described
Standard eyes gap ratio value, standard interpupillary distance ratio contrast, and obtain comparing result.
4. device as claimed in claim 3, it is characterised in that described brightness adjusting unit includes:
First luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil becomes greatly, eyes are opened wide, then improve backlight brightness values；
Second luminance adjustment module, if showing current eyes image comparison with standard eye figure for comparing result
Picture, pupil diminishes, eyes are opened little, then reduce backlight brightness values.
5. an electronic equipment, it is characterised in that described electronic equipment includes as claim 3 to 4 is arbitrary
The adjusting means of the backlight illumination described in Xiang.
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| CN201410419178.XA CN104167196B (en) | 2014-08-22 | 2014-08-22 | The control method of a kind of backlight illumination, device and electronic equipment |
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| CN201410419178.XA CN104167196B (en) | 2014-08-22 | 2014-08-22 | The control method of a kind of backlight illumination, device and electronic equipment |
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| CN104167196B true CN104167196B (en) | 2016-09-28 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297675A (en) * | 2015-05-18 | 2017-01-04 | 西安中兴新软件有限责任公司 | A kind of method for controlling backlight thereof and device |
| CN105788564A (en) * | 2015-12-24 | 2016-07-20 | 广东小天才科技有限公司 | Method and system for automatically regulating screen display |
| CN105679253B (en) * | 2016-03-30 | 2019-02-01 | 深圳还是威健康科技有限公司 | A kind of terminal backlight adjusting method and device |
| CN106445124B (en) * | 2016-09-09 | 2019-08-02 | 京东方科技集团股份有限公司 | The frame parameter adjusting method and its device for showing equipment, showing equipment |
| CN107731201B (en) * | 2017-10-31 | 2020-05-19 | 武汉华星光电技术有限公司 | Screen brightness adjusting method and device |
| CN107731175B (en) * | 2017-11-08 | 2018-10-23 | 深圳航天科创智能科技有限公司 | Bias light regulating system based on pupil radium detection |
| CN107767840A (en) * | 2017-11-30 | 2018-03-06 | 西安科锐盛创新科技有限公司 | The eyeshield escope and its brightness adjusting method of automatic regulating lightness |
| CN109658904B (en) * | 2019-02-20 | 2021-07-20 | 北京七鑫易维信息技术有限公司 | Screen brightness adjusting method and device |
| CN114816065A (en) * | 2022-04-28 | 2022-07-29 | 歌尔股份有限公司 | Screen backlight adjusting method, virtual reality device and readable storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007316492A (en) * | 2006-05-29 | 2007-12-06 | Matsushita Electric Ind Co Ltd | Display apparatus |
| TWI497247B (en) * | 2010-01-28 | 2015-08-21 | Chi Mei Comm Systems Inc | Data processing device and method for regulating the lighting power of a display |
| US20140104436A1 (en) * | 2012-10-14 | 2014-04-17 | Stephan Bork | Circuit to adjust backlighting for a display device |
| CN103218990A (en) * | 2013-03-29 | 2013-07-24 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness and terminal |
| CN103780957B (en) * | 2013-10-29 | 2016-11-09 | 四川长虹电器股份有限公司 | A kind of television terminal intelligence control system and control method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 |