CN107665696A - The display device that a kind of display brightness dynamic changes - Google Patents
The display device that a kind of display brightness dynamic changes Download PDFInfo
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- CN107665696A CN107665696A CN201610614882.XA CN201610614882A CN107665696A CN 107665696 A CN107665696 A CN 107665696A CN 201610614882 A CN201610614882 A CN 201610614882A CN 107665696 A CN107665696 A CN 107665696A
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- brightness
- display device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present embodiments relate to the display device that a kind of display brightness dynamic changes, including：Module, intednsity circuit, brightness light source generating means and display screen occur for Dynamic Signal；The Dynamic Signal occurs module and is used for, and exports brightness control signal；The brightness control signal has the signal value that dynamic changes；The intednsity circuit is used for, and loads the brightness control signal that module output occurs for the Dynamic Signal, and export the first power supply signal according to the brightness control signal；First power supply signal has the electric parameter that dynamic changes；The brightness light source generating means is used for, and dynamically changes display output brightness under first power supply signal driving, so that the display screen is shown with the brightness of dynamic change.
Description
Technical field
The present invention relates to lighting technical field, more particularly to the display device that a kind of display brightness dynamic changes.
Background technology
Vision Health has become a major issue of people's common concern.According in June, 2015 China of Peking University
Sound development research center《National health visual report》Research, in more than the 5 years old total population in China in 2012, myopia and long sight
Number of patients about 500,000,000, wherein myopia total number of patients 4.5 hundred million or so.
According to another investigation display in 2015, the daily leisure time of China compatriots was averagely 2.55 hours, wherein 1/3 leisure
Time with internet, especially on mobile phone；1/6 leisure time is seeing TV；1/10 leisure time is carrying out paper
This reading of matter.It can be seen that with the development in epoch, amusement and recreation have been carried out using electronic equipments such as computer, smart mobile phone, television sets
Through occupying main leisure time.In addition electronic office, the face of the daily plenty of time such as propulsion, working clan, student of teaching
To computer screen, projection screen.
The long-term screen in face of equipment such as computer, mobile phone, TV, projections, eyes are most susceptible to infringement.These equipment
Display screen in use, manually adjusts except non-artificial, otherwise can be shown for a long time under same display parameters.Beholder
Eyes for a long time stare at screen, its eye structure, including pupil, ciliary muscle and crystalline lens are all chronically at a state, make
Into human eye visual fatigue, the problems such as ghost image, eye-blurred can be caused, Vision Health is had a strong impact on.
The content of the invention
It is an object of the invention to provide the display device that a kind of display brightness dynamic changes, and can automatically control dynamic and change
The display brightness of display screen so that the ocular physiology structure of beholder also carries out respective change therewith, so as to effectively solve user
In face of display screen for a long time with eye easy visual fatigue the problem of；By the dynamic change rate for rationally controlling display brightness so that see
The person of seeing can't subjective perception change to brightness, therefore while the normal use of beholder is not influenceed, protect beholder
Vision Health.
To achieve the above object, the embodiments of the invention provide the display device that a kind of display brightness dynamic changes, including：
Module, intednsity circuit, brightness light source generating means and display screen occur for Dynamic Signal；
The Dynamic Signal occurs module and is used for, and exports brightness control signal；There is the brightness control signal dynamic to change
The signal value of change；
The intednsity circuit is used for, and loads the brightness control signal that module output occurs for the Dynamic Signal, and root
The first power supply signal is exported according to the brightness control signal；First power supply signal has the electric parameter that dynamic changes；
The brightness light source generating means is used for, and it is bright dynamically to change display output under first power supply signal driving
Degree, so that the display screen is shown with the brightness of dynamic change.
Preferably, the display device includes:
Any of equipment with backlit display screen, the equipment with CRT display screens or projector equipment.
Preferably, the rate of change of the brightness of the display screen is all not more than 0.02 within any 0.1 second period.
Preferably, the brightness control signal includes:Analog voltage signal, analog current signal or data signal.
Preferably, module, which occurs, for the Dynamic Signal includes：Hardware circuit module and/or software program module.
Preferably, the electric parameter includes：Electric current and/or voltage.
Preferably, the electric parameter includes：Potential difference.
Preferably, the display device also includes input equipment,
For receiving user's triggering command；
The Dynamic Signal occurs module and is connected with the input equipment, and institute is exported according to user's triggering command
State brightness control signal.
Preferably, the display device also includes memory, for storing the preset brightness control signal；
The Dynamic Signal occurs module and is connected with the memory, acquisition is preset be stored in it is bright in the memory
Control model information is spent, exports the brightness control signal.
It is further preferred that when the display device is the equipment with backlit display screen, the brightness light source fills
It is set to backlight module；
When the display device has the equipment of CRT display screens, the brightness light source generating means is kinescope；
When the display device is projector equipment, the brightness light source generating means is bulb or electroluminescent semiconductor
In one kind.
The display device that display brightness dynamic provided in an embodiment of the present invention changes, can automatically control dynamic and change display
The display brightness of screen so that the ocular physiology structure of beholder also carries out respective change therewith, so as to effectively solve user plane pair
Display screen for a long time with eye easy visual fatigue the problem of, protect the Vision Health of beholder.
Brief description of the drawings
Fig. 1 is a kind of structural representation of display device provided in an embodiment of the present invention；
Fig. 2 is another structural representation of display device provided in an embodiment of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The display device that the embodiment of the present invention proposes can be the equipment with backlit display screen, with CRT display screens
Equipment or projector equipment etc., it can specifically include smart mobile phone, notebook computer, LCD TV, cathode-ray tube
(Cathode Ray Tube, CRT) TV, projecting apparatus etc..
In order to be better understood from the operation principle of display device proposed by the invention, first to human eyes structure with light
The principle of change illustrates：
When the parameters such as the illumination of injection human eye light, colour temperature, luminous intensity, brightness, luminous flux, angle change, people
The iris of eye will change the size of active accommodation pupil with light, so as to control luminous flux.The athletic meeting of iris drives ciliary muscle
Motion, the motion of ciliary muscle will also drive lenticular motion, and so as to produce, so-called in visual field " eyes regard photosystem three
Linkage ".Above-mentioned iris, ciliary muscle and lenticular ganged movement change the physiological structure for making eyes, i.e., in iris, eyelash
Changed in shape flesh and lenticular shape and/or size.
The display device of the present invention is to be proposed based on above-mentioned principle.
The present embodiment provide a kind of display brightness dynamic change display device as shown in figure 1, including：Dynamic Signal is sent out
Raw module 1, intednsity circuit 2, brightness light source generating means 3 and display screen 4；
Dynamic Signal occurs module 1 and exports brightness control signal；Wherein, brightness control signal has the signal that dynamic changes
Value, can be analog voltage signal, analog current signal or data signal.
Dynamic Signal occurs module 1 and exports brightness control signal, can be exported according to user's triggering command, can also
It is to be set for output according to what reading prestored.
In the first scheme, display device also includes input equipment 6, for receiving triggering command；Dynamic Signal occurs
Module 1 is connected with input equipment 6, carries out corresponding brilliance control patterns selection according to triggering command, and select according to user
Brilliance control patterns, generate brightness control signal, and according to brightness control signal export brightness control signal.
The reception of module 1 triggering command, which occurs, for Dynamic Signal to be realized especially by wired or wireless way.It is such as defeated
It is touch-screen, luminance patterns regulating key or knob to enter equipment 6, and Dynamic Signal occurs module 1 and passes through sensing user touch, pressing
Or turn operation, it is determined that corresponding brilliance control patterns；Or input equipment 6 be for user operation remote control equipment, example
Such as remote control or be provided with corresponding bright management APP smart mobile phone, Dynamic Signal occur module 1 is triggered by wireless receiving
The remote input of instruction, it is determined that required brilliance control patterns.The dynamic change model of brightness can be included in brilliance control patterns
Enclose, transformation period etc.
In second scheme, display device also includes memory 7, and the Dynamic Signal of display device occurs module 1 and read
The information of the brilliance control patterns in memory 7 is prestored, display device is defeated according to the information of the brilliance control patterns of acquisition
Go out corresponding brightness control signal.Usual second scheme performs automatically when can electrically activating on the display apparatus.
Memory 7 can include local storage, can also include cloud storage unit.Memory 7 can be rom chip or
The solid state non-volatile semiconductor memory of any other type.Side to writing default illumination control signal in memory 7
Formula can be realized by wired input mode, can also be by being connected to the interface of memory, such as infrared interface, bluetooth
Interface, USB interface etc. are realized.
Both the above scheme can be present in one embodiment simultaneously, shown in Fig. 1 to be both two schemes and deposit
Situation.
In concrete implementation, module 1, which occurs, for Dynamic Signal to be realized by hardware circuit, can also pass through loading
There is the module of software program to realize, or realized by the way of software program combines with hardware circuit.
Intednsity circuit 2 loads Dynamic Signal and the brightness control signal that module 1 exports occurs, and is believed according to brilliance control
Number output the first power supply signal；First power supply signal has the electric parameter that dynamic changes；In different display devices,
Electric parameter can be electric current and/or voltage, or be potential difference.It can be described in detail below.
Intednsity circuit 2 is the circuit for providing driving electric signal to the brightness regulation of display device.With dynamic
Under the driving of the brightness control signal for the signal value that state changes, the first power supply signal of output has the electric ginseng that dynamic changes
Number.
For projecting apparatus and using the smart mobile phone of back light control display brightness, computer liquid-crystal display, liquid crystal electricity
Depending on etc. display device, electric parameter can specifically refer to electric current and voltage, include the electricity of the magnitude of voltage of voltage, rate of change, electric current
Flow size, rate of change etc., or can also be both voltage and currents it is therein any one.
For cathode-ray tube display, brilliance control is determined by the way that the transmitting of tube cathode electronics is how many,
Therefore electric parameter can specifically refer to the potential difference between the grid of kinescope and negative electrode.
Brightness light source generating means 3 dynamically changes display output brightness under the driving of the first power supply signal, so that aobvious
The display screen 4 of showing device is shown with the brightness of dynamic change.
Display screen 4 described in this programme includes the display screen of entity, such as liquid crystal display, also including virtual display screen, such as
Project the display screen formed.
For different types of display device, the specific implementation of brightness light source generating means 3 is different, and it is in the first power supply letter
The specific implementation that number lower dynamic of driving changes display output brightness is also different, illustrates one by one below.
For the display device with backlit display, such as LCD TV, mobile phone, notebook computer, brightness light source hair
Generating apparatus 3 is backlight module.Backlight module is driven by the first power supply signal, dynamic changes backlight, the liquid changed so as to dynamic
The output brightness of brilliant video screen, mobile phone screen, note-book computer display screen etc..
For the display device with cathode-ray tube display, such as CRT TVs, brightness light source generating means 3 is imaging
Pipe.The grid of kinescope and the potential difference of negative electrode are controlled by the first power supply signal, changes the power of electron beam so that grating is bright
Degree dynamic changes, so as to which dynamic changes the output brightness of CRT monitor screen.
For conventional projector, brightness light source generating means 3 is bulb.Pass through the first power supply signal drive control bulb
Luminosity dynamic changes, so that the display brightness of projection screen also dynamically changes.
For LED projector, brightness light source generating means 3 is electroluminescent semiconductor.Driven by the first power supply signal
Move electroluminescent semiconductor so that the output intensity of LED projector accordingly dynamically changes, so that the display of projection screen
Also corresponding dynamic changes for brightness.
Thus, changed by the dynamic of the display output brightness of brightness light source generating means 3 so that display device passes through aobvious
Display screen 4 can be shown with the brightness of dynamic change to beholder.
In order to ensure the normal display of display device, do not interfere with beholder and the display output of display device is carried out normally
Viewing, the first power supply signal driving dynamic change display output brightness, caused by display screen brightness dynamic change need exist
The rate of change of brightness is all not more than 0.02 in any one 0.1 second period.
The foundation so set is that eyes have visual persistence, i.e., light is as once being formed on the retina, vision will
Is maintained to the sensation of this light elephant, this physiological phenomenon is called the persistence of vision one limited time.For varying environment, vision
The length of time difference is persisted, brightness is stronger, and the retentivity time of eye is shorter.And for using ring for display device
Border, in the environment of intermediate light, the retentivity time of eye is about 0.1 to 0.4 second.Thus in 0.1 second time range, by setting
The rate of change for determining brightness is not more than 0.02, to ensure that change of the light within each retentivity time of eye is small, makes
The dynamic change of brightness generation can not be perceived by obtaining the beholder of display device, so as to produce any shadow to normal viewing
Ring.
According to the dynamic change of the brightness for the display screen 4 realized in the present embodiment so that beholder's eye of display device
Structure (including one or several in iris, ciliary muscle and crystalline lens) dynamically changes with the dynamic change of the brightness of display screen 4
Become.
The display device that display brightness dynamic provided in an embodiment of the present invention changes, can automatically realize that display screen is shown
The dynamic of brightness changes so that the ocular physiology structure of beholder also carries out respective change therewith, so as to effectively solve user plane
The problem of visual fatigue easy with eye long-term to display screen, protect the Vision Health of beholder；By rationally controlling display bright
The dynamic change rate of degree so that beholder can't subjective perception brightness change, so as to which any shadow will not be produced to normal viewing
Ring.
In the case where display device is the equipment that TV etc. is used for video frequency output, letter can also be integrated with display device
Number amplifying circuit, for the normal enhanced processing to exporting vision signal.
In a kind of structural representation of display device as shown in Figure 2, to be shown letter of the signal amplification circuit 5 to input
Number it is amplified after processing, output broadcasting is carried out by display screen 4.
Dynamic Signal occurs module 1 and exports brightness control signal；Intednsity circuit 2 loads Dynamic Signal and module 1 occurs
Output brightness control signal, and according to brightness control signal export the first power supply signal；Brightness light source generating means 3 is
The lower dynamic of one power supply signal driving changes display output brightness, so that by display screen 4 with the brightness of dynamic change to be shown
Signal carries out display broadcasting.
Each device, module, the function of unit and the course of work have been carried out being described in detail in above-described embodiment, no longer superfluous herein
State.
The present embodiment provides display device, and the dynamic for being capable of automatic control display device brightness of display screen changes so that sees
The ocular physiology structure for the person of seeing also carries out respective change therewith, and so as to effectively solve, user plane is long-term to display screen easily to be regarded with eye
Feel the problem of tired, protect the Vision Health of beholder.
Professional should further appreciate that, each example described with reference to the embodiments described herein
Unit and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, it is hard in order to clearly demonstrate
The interchangeability of part and software, the composition and step of each example are generally described according to function in the above description.
These functions are performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.
Professional and technical personnel can realize described function using distinct methods to each specific application, but this realization
It is not considered that the scope beyond the embodiment of the present invention.
The method that is described with reference to the embodiments described herein can use hardware, computing device the step of algorithm
Software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only storage
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (10)
1. the display device that a kind of display brightness dynamic changes, it is characterised in that the display device includes：Dynamic Signal occurs
Module, intednsity circuit, brightness light source generating means and display screen；
The Dynamic Signal occurs module and is used for, and exports brightness control signal；The brightness control signal has what dynamic changed
Signal value；
The intednsity circuit is used for, and loads the brightness control signal that module output occurs for the Dynamic Signal, and according to institute
State brightness control signal and export the first power supply signal；First power supply signal has the electric parameter that dynamic changes；
The brightness light source generating means is used for, and dynamically changes display output brightness under first power supply signal driving, from
And make it that the display screen is shown with the brightness of dynamic change.
2. display device according to claim 1, it is characterised in that the display device includes:
Any of equipment with backlit display screen, the equipment with CRT display screens or projector equipment.
3. display device according to claim 1, it is characterised in that the rate of change of the brightness of the display screen is any
All it is not more than 0.02 in 0.1 second period.
4. display device according to claim 1, it is characterised in that the brightness control signal includes:Analog voltage is believed
Number, analog current signal or data signal.
5. display device according to claim 1, it is characterised in that module, which occurs, for the Dynamic Signal includes：Hardware electricity
Road module and/or software program module.
6. display device according to claim 1, it is characterised in that the electric parameter includes：Electric current and/or voltage.
7. display device according to claim 1, it is characterised in that the electric parameter includes：Potential difference.
8. display device according to claim 1, it is characterised in that the display device also includes input equipment, is used for
Receive user's triggering command；
The Dynamic Signal occurs module and is connected with the input equipment, and the brightness is exported according to user's triggering command
Control signal.
9. display device according to claim 1, it is characterised in that the display device also includes memory, for depositing
Store up the preset brightness control signal；
The Dynamic Signal occurs module and is connected with the memory, obtains the preset brightness control being stored in the memory
Pattern information processed, export the brightness control signal.
10. display device according to claim 2, it is characterised in that the display device is with backlit display screen
During equipment, the brightness light source generating means is backlight module；
When the display device is the equipment with CRT display screens, the brightness light source generating means is kinescope；
When the display device is projector equipment, the brightness light source generating means is in bulb or electroluminescent semiconductor
It is a kind of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610614882.XA CN107665696A (en) | 2016-07-28 | 2016-07-28 | The display device that a kind of display brightness dynamic changes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610614882.XA CN107665696A (en) | 2016-07-28 | 2016-07-28 | The display device that a kind of display brightness dynamic changes |
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| CN107665696A true CN107665696A (en) | 2018-02-06 |
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| CN201610614882.XA Pending CN107665696A (en) | 2016-07-28 | 2016-07-28 | The display device that a kind of display brightness dynamic changes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111867447A (en) * | 2018-03-26 | 2020-10-30 | 三星电子株式会社 | Electronic device for monitoring eye health of user and operation method thereof |
| CN115482793A (en) * | 2022-10-08 | 2022-12-16 | 广东夏野日用电器有限公司 | Display device and electronic apparatus facilitating focus adjustment through active brightness adjustment |
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Effective date of registration: 20190321 Address after: 515057 Sixth Floor of No. 30 Zhujin Road, Zhujin Industrial Zone, Longhu District, Shantou City, Guangdong Province Applicant after: Guangdong Xiaye Daily Electrical Appliances Co., Ltd. Address before: 510515 Nine Training Courtyards, 99 North Guangzhou Avenue, Tianhe District, Guangzhou City, Guangdong Province Applicant before: Guangdong wild light vision health care research institute |
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