CN103646516B - The method of vision protection and there is the equipment of vision protection function - Google Patents

The method of vision protection and there is the equipment of vision protection function Download PDF

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Publication number
CN103646516B
CN103646516B CN201310539614.2A CN201310539614A CN103646516B CN 103646516 B CN103646516 B CN 103646516B CN 201310539614 A CN201310539614 A CN 201310539614A CN 103646516 B CN103646516 B CN 103646516B
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distance
user
infrared transmitter
display screen
angle
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CN103646516A (en
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王映理
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Guangdong Mingchuang Software Technology Co ltd
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Guangdong Mingchuang Software Technology Co ltd
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Priority to PCT/CN2014/088230 priority patent/WO2015062396A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00

Abstract

The invention discloses a kind of method of vision protection, be applicable to the equipment with display screen, comprise the following steps: (1) obtains user by the first infrared transmitter of described equipment and the second infrared transmitter and sees that the angle of described display screen is to obtain perspective data; (2) judge described perspective data whether in the safe range preset, normally show if then control described display screen, then start corresponding protection if not and remind.The present invention obtains user by the first infrared transmitter of described equipment and the second infrared transmitter and sees that the angle of described display screen is to obtain perspective data; and judge described perspective data whether in the safe range preset; control display screen according to judged result more normally show or start corresponding protection prompting; the perspective data of accurate acquisition user can be realized; and user can be given protect prompting accordingly; better to protect user's eyesight; and operation is more simple and convenient, thus user is made to obtain more comfortable effective Consumer's Experience.

Description

The method of vision protection and there is the equipment of vision protection function
Technical field
The present invention relates to field of display devices, particularly relate to a kind of method being applicable to have the vision protection of the equipment of display screen.
Background technology
Along with the continuous progress of socioeconomic development, science and technology; the living standard of people also improves day by day; the equipment as TV, computing machine and mobile phone etc. with display screen is also constantly popularized in the life of people; becoming must obligato necessity in people's life; more and more closer with the relation of daily life; and the requirement pursuing healthy living along with people improves constantly, people there has also been higher requirement to the healthy protect function that the equipment with display screen possesses.
As everyone knows, owing to all wanting in people's work, amusement and study, often in the face of the display screen of these above-mentioned equipment, if improper use, to be easy to cause user's asthenopia, to damage the eyesight of user.In order to head it off; have in the equipment of display screen existing; the brightness that has comprising the display screen of TV, computing machine and mobile phone can regulate to be supplied to the soft visual experience of user by automatic or manual, and to protect the eyesight of user, but effect is unsatisfactory.Namely the shortcoming that the existing equipment with the display screen very simple and crude user's using state data error that is single and that gather of function that there is the vision protection possessed is large; unsatisfactory to the protected effect of user's eyesight; and complex operation; the use of user is made troubles; have a strong impact on Consumer's Experience, can not meet the user demand of user far away.
Therefore, be badly in need of a kind ofly can overcoming the method for the vision protection of above-mentioned defect and there is the equipment of vision protection function.
Summary of the invention
The object of the present invention is to provide a kind of method of vision protection, can realize the perspective data of accurate acquisition user, better to protect user's eyesight, and operation is more simple and convenient, thus makes user obtain more comfortable effective Consumer's Experience.
Another object of the present invention is to provide a kind of equipment with vision protection function, can realize the perspective data of accurate acquisition user, better to protect user's eyesight, and operation is more simple and convenient, thus makes user obtain more comfortable effective Consumer's Experience.
To achieve these goals, the invention provides a kind of method of vision protection, be applicable to the equipment with display screen, comprise the following steps: (1) obtains user by the first infrared transmitter of described equipment and the second infrared transmitter and sees that the angle of described display screen is to obtain perspective data; (2) judge described perspective data whether in the safe range preset, normally show if then control described display screen, then start corresponding protection if not and remind;
Described step (1) specifically comprises: (11) described first infrared transmitter and the second infrared transmitter launch infrared ray towards user two, thus the distance of the mid point measured respectively between user two and described first infrared transmitter, the second infrared transmitter is to obtain the first distance L 1, second distance L 2, obtain the distance between described first infrared transmitter and the second infrared transmitter and be defined as the 3rd distance L 3; (12) according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle beta of described display screen.
Compared with prior art; the present invention obtains user by the first infrared transmitter of described equipment and the second infrared transmitter and sees that the angle of described display screen is to obtain perspective data; and judge described perspective data whether in the safe range preset; control display screen according to judged result more normally show or start corresponding protection prompting; the perspective data of accurate acquisition user can be realized; and user can be given protect prompting accordingly; better to protect user's eyesight; and operation is more simple and convenient, thus user is made to obtain more comfortable effective Consumer's Experience.
Preferably, described first distance L is measured 1and second distance L 2method specifically comprise: detect described first infrared transmitter to the distance a of user two by described first infrared transmitter 1and b 1, and described first infrared transmitter is to the two ultrared angle γ of user two 1, according to described distance a 1, b 1and angle γ 1calculate described first distance L 1; The distance a of described second infrared transmitter to user two is detected by described second infrared transmitter 2and b 2, and described second infrared transmitter is to the two ultrared angle γ of user two 2, according to described distance a 2, b 2and angle γ 2calculate described second distance L 2.
Preferably, according to described distance a 1, b 1and angle γ 1calculate described first distance L 1method be specially: according to formula
L 1 = 1 2 a 1 2 + b 1 2 + 2 a 1 b 1 cosγ 1
Calculate described first distance L 1;
According to described distance a 2, b 2and angle γ 2calculate described second distance L 2method be specially: according to formula
L 2 = 1 2 a 2 2 + b 2 2 + 2 a 2 b 2 cosγ 2
Calculate described second distance L 2.
Preferably, according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees that the method for the angle beta of described display screen is specially: according to formula
Calculate the angle beta that user sees described display screen, angle β is the angle that user sees the sight line of described display screen and the normal of described display screen.
In order to realize another object of the present invention, the invention provides a kind of equipment with vision protection function, comprise display screen, wherein, the described equipment with vision protection function also comprises: data acquisition acquisition module and processing module, for obtaining user, described data acquisition module sees that the angle of described display screen is to obtain perspective data; Described processing module, for judging described perspective data whether in the safe range preset, normally shows if then control described display screen, then starts corresponding protection if not and reminds;
Described data acquisition module comprises: measuring unit, the first computing unit and the second computing unit, described measuring unit comprises the first infrared transmitter and the second infrared transmitter, detects the distance a of described first infrared transmitter to user two by described first infrared transmitter 1and b 1, and described first infrared transmitter is to the two ultrared angle γ of user two 1; The distance a of described second infrared transmitter to user two is detected by described second infrared transmitter 2and b 2, and described second infrared transmitter is to the two ultrared angle γ of user two 2; And obtain the distance between described first infrared transmitter and the second infrared transmitter by described measuring unit and be defined as the 3rd distance L 3; Described first computing unit is according to described distance a 1, b 1and angle γ 1mid point between calculating user two and the first distance L of described first infrared transmitter 1, and according to described distance a 2, b 2and angle γ 2mid point between calculating user two and the second distance L of described second infrared transmitter 2; Described second computing unit is according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle β of the sight line of described display screen and the normal of described display screen, this angle β is the angle that user sees described display screen, thus obtains perspective data.
Compared with prior art; the present invention obtains user by described data acquisition module and sees that the angle of described display screen is to obtain perspective data; described perspective data is judged whether in the safe range preset again by described processing module; and control described display screen according to judged result and normally show or start corresponding protection and remind; the perspective data of accurate acquisition user can be realized; and user can be given protect prompting accordingly; better to protect user's eyesight; and operation is more simple and convenient, thus user is made to obtain more comfortable effective Consumer's Experience.
Preferably, described first computing unit calculates described first distance L 1and second distance L 2formula be respectively:
L 1 = 1 2 a 1 2 + b 1 2 + 2 a 1 b 1 cosγ 1 ,
L 2 = 1 2 a 2 2 + b 2 2 + 2 a 2 b 2 cosγ 2 .
Preferably, described second computing unit calculates user and sees that the formula of the angle beta of described display screen is:
Preferably, described processing module comprises: judging unit and performance element, and described judging unit judges described perspective data whether in the safe range preset; Described performance element controls described display screen according to the judged result of described judging unit and normally shows or start corresponding protection prompting.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the method for vision protection of the present invention.
Fig. 2 be the present invention measure mid point between user two and described first infrared transmitter, the second infrared transmitter distance to obtain the first distance L 1, second distance L 2geometrical principle schematic diagram.
Fig. 3 is that the present invention is according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the geometrical principle schematic diagram of the angle beta of described display screen.
Fig. 4 is the structured flowchart of the method for vision protection of the present invention.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
With reference to figure 1, the method 100 of vision protection of the present invention, be applicable to the equipment with display screen, comprise the following steps: (11) obtain user by the first infrared transmitter of described equipment and the second infrared transmitter and see that the angle of described display screen is to obtain perspective data; (12) judge described perspective data whether in the safe range preset, control described display screen normally show if then perform (13), then perform (14) if not and start corresponding protection and remind.The program obtains user by the first infrared transmitter of described equipment and the second infrared transmitter and sees that the angle of described display screen is to obtain perspective data; and judge described perspective data whether in the safe range preset; control display screen according to judged result more normally show or start corresponding protection prompting; the perspective data of accurate acquisition user can be realized; and user can be given protect prompting accordingly; better to protect user's eyesight; and operation is more simple and convenient, thus user is made to obtain more comfortable effective Consumer's Experience.Particularly, as follows:
With reference to figure 2 and Fig. 3, C 1for described first infrared transmitter, C 2for described second infrared transmitter, A and B is respectively user two, D is the mid point of user two, α is described display screen, then straight line OD is the sight line that user sees described display screen α, and straight line OZ is the normal of described display screen α, and straight line OX is at same plane with described display screen α, then in the present embodiment, described step (11) specifically comprises: (a) described first infrared transmitter C 1with the second infrared transmitter C 2infrared ray is launched towards user two A and B, thus the mid point D measured respectively between user two A and B and described first infrared transmitter C 1, the second infrared transmitter C 2distance to obtain the first distance L 1, second distance L 2, i.e. described first distance L 1for corresponding diagram 2 or Fig. 3 middle conductor C 1the distance of D, described second distance L 2for corresponding diagram 2 or Fig. 3 middle conductor C 2the distance of D, obtains described first infrared transmitter C 1and the second infrared transmitter C 2between distance and be defined as the 3rd distance L 3, i.e. described 3rd distance L 3for corresponding diagram 2 or Fig. 3 middle conductor C 1c 2distance; And (b) is according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle beta of described display screen α.More specifically, as follows:
Wherein, described first distance L is measured 1method specifically comprise: by described first infrared transmitter C 1detect described first infrared transmitter C 1to the distance a of user two A and B 1and b 1, and described first infrared transmitter C 1to two infrared rays (the i.e. line segment C of user two A and B 1a and line segment C 1b place two straight line) angle γ 1, corresponding to Fig. 2, described distance a 1for line segment C 1the distance of A, described distance b 1for line segment C 1the distance of B, described angle γ 1for line segment C 1a and line segment C 1angle between B, then can according to described distance a 1, b 1and angle γ 1calculate described first distance L 1, and in the present embodiment, according to described distance a 1, b 1and angle γ 1calculate described first distance L 1method be specially: corresponding diagram 2 and according to formula
L 1 = 1 2 a 1 2 + b 1 2 + 2 a 1 b 1 cosγ 1
Calculate described first distance L 1.
Meanwhile, described second distance L is measured 2method specifically comprise: by described second infrared transmitter C 2detect described second infrared transmitter C 2to the distance a of user two A and B 2and b 2, and described second infrared transmitter C 2to two infrared rays (the i.e. line segment C of user two A and B 2a and line segment C 2b place two straight line) angle γ 2, corresponding to Fig. 2, described distance a 2for line segment C 2the distance of A, described distance b 2for line segment C 2the distance of B, described angle γ 2for line segment C 2a and line segment C 2angle between B, then can according to described distance a 2, b 2and angle γ 2calculate described second distance L 2, and in the present embodiment, according to described distance a 2, b 2and angle γ 2calculate described second distance L 2method be specially: corresponding diagram 2 and according to formula
L 2 = 1 2 a 2 2 + b 2 2 + 2 a 2 b 2 cosγ 2
Calculate described second distance L 2.
Moreover, according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees that the method for the angle beta of described display screen α is specially: corresponding diagram 3 and according to formula
Calculate the angle beta that user sees described display screen α, angle β is the angle β that user sees the sight line OD of described display screen α and the normal OZ of described display screen α.
Specifically, in the present embodiment, user sees that the safe range preset of the angle beta of described display screen is for being more than or equal to-50 ° and being less than or equal to+50 °, the person of meriting attention, this safe range preset is for baseline with the normal OZ of described display screen α, if the angle being positioned at the angle of described normal OZ side be defined as on the occasion of, then the angle being positioned at the angle of described normal OZ opposite side is defined as negative value; Certainly, in various embodiments, this safe range preset can also be set or user's sets itself by production firm according to concrete user demand, to meet the different user demands of different user.It is comprise the fuzzy display of described display screen α and/or described equipment to send the sound of prompting and/or described display screen closes display that described protection is reminded more excellent.Specifically, when user sees that the angle beta of described display screen α exceeds default safe range, the fuzzy display of described display screen α can be started, described equipment sends the sound of prompting and described display screen α and closes one in display, to warn the using state of user's correction to described equipment, play the effect of protection user eyesight, certainly, in various embodiments, described protection remind in dissimilarly can also to be combined with each other, for example, when user sees that the angle beta of described display screen α exceeds default safe range, first perform the fuzzy display of described display screen α, and (this Preset Time threshold values can set a default threshold and/or several selective threshold values by manufacturer to judge time that user sees that the angle beta of described display screen α exceeds default safe range whether to exceed Preset Time threshold values, also can by user's sets itself), if, then perform described display screen α and close display, if not, then return, see that the angle beta of described display screen α exceeds default safe range and restarts timing user.Thus it is humanized to make protection remind, and enables user obtain better Consumer's Experience, the concrete Implementation Modes that namely described protection is reminded can be undertaken setting by manufacturer or by user's sets itself.
With reference to figure 4, the equipment 200 that the present invention has vision protection function comprises display screen, wherein, the equipment 200 that the present invention has vision protection function also comprises: data acquisition acquisition module 21 and processing module 22, for obtaining user, described data acquisition module 21 sees that the angle of described display screen is to obtain perspective data; Described processing module 22, for judging described perspective data whether in the safe range preset, normally shows if then control described display screen, then starts corresponding protection if not and reminds.The program obtains user by described data acquisition module 21 and sees that the angle of described display screen is to obtain perspective data; described perspective data is judged whether in the safe range preset again by described processing module 22; and control described display screen according to judged result and normally show or start corresponding protection and remind; the perspective data of accurate acquisition user can be realized; and user can be given protect prompting accordingly; better to protect user's eyesight; and operation is more simple and convenient, thus user is made to obtain more comfortable effective Consumer's Experience.
Comparatively the superior, described data acquisition module 21 comprises: measuring unit 211, first computing unit 212 and the second computing unit 213, described measuring unit 211 comprises the first infrared transmitter and the second infrared transmitter, detects the distance a of described first infrared transmitter to user two by described first infrared transmitter 1and b 1, and described first infrared transmitter is to the two ultrared angle γ of user two 1; The distance a of described second infrared transmitter to user two is detected by described second infrared transmitter 2and b 2, and described second infrared transmitter is to the two ultrared angle γ of user two 2; And obtain the distance between described first infrared transmitter and the second infrared transmitter by described measuring unit 211 and be defined as the 3rd distance L 3; Described first computing unit 212 is according to described distance a 1, b 1and angle γ 1mid point between calculating user two and the first distance L of described first infrared transmitter 1, and according to described distance a 2, b 2and angle γ 2mid point between calculating user two and the second distance L of described second infrared transmitter 2; Described second computing unit 213 is according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle β of the sight line of described display screen and the normal of described display screen, this angle β is the angle that user sees described display screen, thus obtains perspective data.
Wherein, described distance a in the present embodiment 1, b 1with angle γ 1and described distance a 2, b 2with angle γ 2concrete measuring method and principle all with the described distance a in the method 100 of above-mentioned vision protection of the present invention 1, b 1with angle γ 1, and described distance a 2, b 2with angle γ 2concrete measuring method and principle identical; And the first distance L in the present embodiment 1, second distance L 2with user see the circular of the angle beta of described display screen and principle all with the first distance L in the method 100 of above-mentioned vision protection of the present invention 1, second distance L 2see circular and the principle of the angle beta of described display screen with user, therefore do not repeat them here.
Comparatively the superior, described processing module 22 comprises: judging unit 221 and performance element 222, and described judging unit 221 judges described perspective data whether in the safe range preset; Described performance element 222 controls described display screen according to the judged result of described judging unit 221 and normally shows or perform corresponding protection prompting.
Wherein, user in the present embodiment sees that the concrete definition mode of safe range preset of the angle beta of described display screen and the user in the method 100 of above-mentioned vision protection of the present invention see that the concrete definition mode of the default safe range of the angle beta of described display screen is identical; And the embodiment that described protection is in the present embodiment reminded is also identical with the described embodiment of reminding of protecting in the method 100 of above-mentioned vision protection of the present invention, therefore does not repeat them here.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.

Claims (8)

1. a method for vision protection, is applicable to the equipment with display screen, it is characterized in that, comprise the following steps:
(1) obtain user by the first infrared transmitter of described equipment and the second infrared transmitter and see that the angle of described display screen is to obtain perspective data;
(2) judge described perspective data whether in the safe range preset, normally show if then control described display screen, then start corresponding protection if not and remind;
Described step (1) specifically comprises:
(11) described first infrared transmitter and the second infrared transmitter launch infrared ray towards user two, thus the distance of the mid point measured respectively between user two and described first infrared transmitter, the second infrared transmitter is to obtain the first distance L 1, second distance L 2, obtain the distance between described first infrared transmitter and the second infrared transmitter and be defined as the 3rd distance L 3;
(12) according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle beta of described display screen.
2. the method for vision protection according to claim 1, is characterized in that, measures described first distance L 1and second distance L 2method specifically comprise:
The distance a of described first infrared transmitter to user two is detected by described first infrared transmitter 1and b 1, and described first infrared transmitter is to the two ultrared angle γ of user two 1, according to described distance a 1, b 1and angle γ 1calculate described first distance L 1;
The distance a of described second infrared transmitter to user two is detected by described second infrared transmitter 2and b 2, and described second infrared transmitter is to the two ultrared angle γ of user two 2, according to described distance a 2, b 2and angle γ 2calculate described second distance L 2.
3. the method for vision protection according to claim 2, is characterized in that, according to described distance a 1, b 1and angle γ 1calculate described first distance L 1method be specially: according to formula
L 1 = 1 2 a 1 2 + b 1 2 + 2 a 1 b 1 cosγ 1
Calculate described first distance L 1;
According to described distance a 2, b 2and angle γ 2calculate described second distance L 2method be specially: according to formula
L 2 = 1 2 a 2 2 + b 2 2 + 2 a 2 b 2 cosγ 2
Calculate described second distance L 2.
4. the method for vision protection according to claim 1, is characterized in that, according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees that the method for the angle beta of described display screen is specially: according to formula
Calculate the angle beta that user sees described display screen, angle β is the angle that user sees the sight line of described display screen and the normal of described display screen.
5. there is an equipment for vision protection function, comprise display screen, it is characterized in that, also comprise:
Data acquisition module: see that the angle of described display screen is to obtain perspective data for obtaining user;
Processing module: for judging described perspective data whether in the safe range preset, normally show if then control described display screen, then starts corresponding protection if not and reminds;
Described data acquisition module comprises:
Measuring unit: comprise the first infrared transmitter and the second infrared transmitter, detects the distance a of described first infrared transmitter to user two by described first infrared transmitter 1and b 1, and described first infrared transmitter is to the two ultrared angle γ of user two 1; The distance a of described second infrared transmitter to user two is detected by described second infrared transmitter 2and b 2, and described second infrared transmitter is to the two ultrared angle γ of user two 2;
And obtain the distance between described first infrared transmitter and the second infrared transmitter by described measuring unit and be defined as the 3rd distance L 3;
First computing unit: according to described distance a 1, b 1and angle γ 1mid point between calculating user two and the first distance L of described first infrared transmitter 1, and according to described distance a 2, b 2and angle γ 2mid point between calculating user two and the second distance L of described second infrared transmitter 2;
Second computing unit: according to described first distance L 1, second distance L 2and the 3rd distance L 3show that user sees the angle β of the sight line of described display screen and the normal of described display screen, this angle β is the angle that user sees described display screen, thus obtains perspective data.
6. the equipment with vision protection function according to claim 5, is characterized in that, described first computing unit calculates described first distance L 1and second distance L 2formula be respectively:
L 1 = 1 2 a 1 2 + b 1 2 + 2 a 1 b 1 cosγ 1 ,
L 2 = 1 2 a 2 2 + b 2 2 + 2 a 2 b 2 cosγ 2 .
7. the equipment with vision protection function according to claim 5, is characterized in that, described second computing unit calculates user and sees that the formula of the angle beta of described display screen is:
8. the equipment with vision protection function according to claim 5, is characterized in that, described processing module comprises:
Judging unit: judge described perspective data whether in the safe range preset;
Performance element: control described display screen according to the judged result of described judging unit and normally show or start corresponding protection prompting.
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PCT/CN2014/088230 WO2015062396A1 (en) 2013-11-04 2014-10-09 Method for protecting eyesight and device with eyesight-protecting function

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