CN207231629U - A kind of photosensitive device, display brightness regulating system and display - Google Patents
A kind of photosensitive device, display brightness regulating system and display Download PDFInfo
- Publication number
- CN207231629U CN207231629U CN201721204672.XU CN201721204672U CN207231629U CN 207231629 U CN207231629 U CN 207231629U CN 201721204672 U CN201721204672 U CN 201721204672U CN 207231629 U CN207231629 U CN 207231629U
- Authority
- CN
- China
- Prior art keywords
- light
- display
- photosensitive device
- brightness
- guiding pillar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses a kind of photosensitive device, display brightness regulating system and display, photosensitive device to include：The base material being arranged in package board, package board and base material composition seal；Along base material to the direction of package board, base material is provided with a carrying through hole；The light-guiding pillar carried in through hole is fixed on, the incidence surface of light-guiding pillar is used for the ambient light for receiving multiple directions incidence, and ambient light is guided to the light-emitting surface of light-guiding pillar；And it is equipped on the light intensity sensor that the light-emitting surface of package board towards base material side and corresponding light-guiding pillar is set.Photosensitive device is capable of the intensity signal of induced environment light, and the first brightness regulated signal is matched according to intensity signal, according to the drive signal of the first brightness regulated signal match control light supply apparatus display brightness, to complete purpose of the display with the light intensity automatic adjustment display brightness of ambient light；Photosensitive device can receive the ambient light of multiple directions incidence, and then improve the precision of subsequent adjustment display brightness.
Description
Technical field
Display technology field is the utility model is related to, more specifically, is related to a kind of photosensitive device, display brightness is adjusted
System and display.
Background technology
Air conditioner has become essential electrical equipment in people's daily life and work, and line control machine is then control air-conditioning
A kind of user terminal of device.Line control machine is mostly using liquid crystal display as its display interface, and the back light source brightness of display
Directly determine the display effect of display picture.In the case of ambient light is stronger, if the back light source brightness of display compared with
Weak, user does not see the content shown in screen then, in the case where ambient light is weaker, if the back light source brightness of display
It is relatively strong, stimulation can be produced to eyes of user.The back light source brightness of traditional line control machine is fixed and user can not be set, normal work
When be only capable of showing with constant brightness.With continuous improvement of the people to display kind equipment requirement, also there is the high-end line traffic control in part at present
Device be provided with liquid crystal display back light source brightness multi-gear adjustable function, but appoint cannot so be automatically adjusted with the intensity of ambient light
Display brightness.
Utility model content
In view of this, the utility model provides a kind of photosensitive device, display brightness regulating system and display, photoreceptor cartridge
Put the intensity signal for being capable of induced environment light, and the first brightness regulated signal is matched according to intensity signal, it is first bright according to this
The drive signal of Regulate signal match control light supply apparatus display brightness is spent, it is automatic with the light intensity of ambient light to complete display
The purpose of adjusting display brightness；In addition, photosensitive device can receive the ambient light of multiple directions incidence so that the environment of sensing
The validity of light is high, and then improves the precision of subsequent adjustment display brightness.
To achieve the above object, the technical scheme that the utility model is provided is as follows：
A kind of photosensitive device, the intensity signal current for induced environment light, the photosensitive device include：
The base material being arranged in package board, the package board and base material composition seal；
Along the base material to the direction of package board, the base material is provided with a carrying through hole；
The light-guiding pillar being fixed in the carrying through hole, the incidence surface of the light-guiding pillar are used to receive multiple directions incidence
Ambient light, and the ambient light is guided to the light-emitting surface of the light-guiding pillar；
And it is equipped on light-emitting surface setting of the package board towards the base material side and the corresponding light-guiding pillar
Light intensity sensor.
Optionally, the incidence surface of the light-guiding pillar and/or light-emitting surface are burnishing surface.
Optionally, the incidence surface of the light-guiding pillar and/or light-emitting surface side are additionally provided with an anti-reflection film.
Optionally, the side of the light-guiding pillar is frosting.
Optionally, the light-guiding pillar is glass light-guiding pillar or plastics light-guiding pillar.
Optionally, the package board is wiring board.
Correspondingly, the utility model additionally provides a kind of display brightness regulating system, applied to display, the display
Including light supply apparatus, the display brightness regulating system includes：
Photosensitive device, the photosensitive device are above-mentioned photosensitive device, the intensity signal current for induced environment light；
The main control chip that input terminal is connected with the photosensitive device, the main control chip include being used for exporting with it is described current
Matched first brightness regulated signal of intensity signal output terminal；
And the power supply circuit that input terminal is connected with the output terminal of the main control chip, the power supply circuit include being used for
Output and the output terminal of the matched drive signal of the first brightness regulated signal, wherein, the light supply apparatus and the power supply
The output terminal of circuit is connected, for providing corresponding display brightness according to the drive signal.
Optionally, the main control chip includes：
Storage unit, the storage unit are stored with multiple and different intensity signals and corresponding matched first brightness regulation
The data message of signal；
And the searching unit being connected with the input terminal of the main control chip and the storage unit, the searching unit
Including the mating end for determining corresponding matched first brightness regulated signal according to the current intensity signal, wherein, institute
The output terminal for stating main control chip is connected with the mating end of the searching unit.
Optionally, the main control chip further includes the display end and feedback end being connected with the display；
Wherein, the display end of the main control chip is used to generate the display letter for controlling the display operation display interface
Number；And the feedback end of the main control chip is used to receive the second brightness regulated signal generated by the operation display interface,
The output terminal of the main control chip is additionally operable to export second brightness regulated signal, wherein, the output terminal of the power supply circuit
It is additionally operable to output and the matched drive signal of the second brightness regulated signal.
Optionally, first brightness regulated signal and second brightness regulated signal are pwm signal, and different
The duty cycle of pwm signal is different.
Optionally, the display is liquid crystal display；
Wherein, the light supply apparatus is backlight source module, and the drive signal is driving current.
Optionally, the display includes：
Display panel；
And the cover board positioned at the display surface side of the display panel；
Wherein, the photosensitive device is arranged at the cover board towards the display panel side, and the cover board corresponds to institute
The region for stating light-guiding pillar is transmission region.
Optionally, the transmission region is void region；
Alternatively, the transmission region includes multiple loopholes.
Correspondingly, the utility model additionally provides a kind of display, the display includes above-mentioned display brightness and adjusts
System.
Optionally, the display is line control machine.
Compared to the prior art, technical solution provided by the utility model at least has the following advantages：
The utility model provides a kind of photosensitive device, display brightness regulating system and display, the photosensitive device bag
Include：The base material being arranged in package board, the package board and base material composition seal；Along the base material to the side of package board
To being provided with a carrying through hole through the base material；The light-guiding pillar being fixed in the carrying through hole, the light-guiding pillar enter light
Face is used for the ambient light for receiving multiple directions incidence, and the ambient light is guided to the light-emitting surface of the light-guiding pillar；With
And it is equipped on the light intensity biography that the light-emitting surface of the package board towards the base material side and the corresponding light-guiding pillar is set
Sensor.
As shown in the above, technical solution provided by the utility model, photosensitive device are capable of the light of induced environment light
Strong information, and the first brightness regulated signal is matched according to intensity signal, according to the first brightness regulated signal match control light source
The drive signal of device display brightness, to complete purpose of the display with the light intensity automatic adjustment display brightness of ambient light；This
Outside, photosensitive device can receive the ambient light of multiple directions incidence so that the validity of the ambient light of sensing is high, Jin Erti
The precision of high subsequent adjustment display brightness.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure diagram of photosensitive device provided by the embodiments of the present application；
Fig. 2 is a kind of structure diagram of base material provided by the embodiments of the present application；
Fig. 3 is a kind of structure diagram of display brightness regulating system provided by the embodiments of the present application；
Fig. 4 is a kind of structure diagram of display provided by the embodiments of the present application；
Fig. 5 is a kind of structure diagram of transmission region provided by the embodiments of the present application.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As described in background, in the case of ambient light is stronger, if the back light source brightness of display is weaker, use
Family does not see the content shown in screen then, in the case where ambient light is weaker, if the back light source brightness of display is stronger,
Stimulation can be produced to eyes of user.The back light source brightness of traditional line control machine is fixed and user can not be set, and when normal work is only capable of
Shown with constant brightness.With continuous improvement of the people to display kind equipment requirement, also there is the high-end line control machine in part to set at present
The back light source brightness multi-gear adjustable function of liquid crystal display, but appoint that so cannot to automatically adjust display with the intensity of ambient light bright
Degree.
Based on this, the embodiment of the present application provides a kind of photosensitive device, display brightness regulating system and display, photoreceptor cartridge
Put the intensity signal for being capable of induced environment light, and the first brightness regulated signal is matched according to intensity signal, it is first bright according to this
The drive signal of Regulate signal match control light supply apparatus display brightness is spent, it is automatic with the light intensity of ambient light to complete display
The purpose of adjusting display brightness；In addition, photosensitive device can receive the ambient light of multiple directions incidence so that the environment of sensing
The validity of light is high, and then improves the precision of subsequent adjustment display brightness.To achieve the above object, the embodiment of the present application provides
Technical solution it is as follows, specifically technical solution provided by the embodiments of the present application is described in detail with reference to Fig. 1 to Fig. 5.
Refering to what is shown in Fig. 1, be a kind of structure diagram of photosensitive device provided by the embodiments of the present application, wherein, photoreceptor cartridge
The intensity signal current for induced environment light is put, the photosensitive device includes：
The base material 20 being arranged in package board 10, the package board 10 and the base material 20 composition seal；
Along the base material 10 to the direction of package board 20, the base material 20 is provided with a carrying through hole；
The light-guiding pillar 30 being fixed in the carrying through hole, the incidence surface of the light-guiding pillar 30 enter for receiving multiple directions
The ambient light penetrated, and the ambient light is guided to the light-emitting surface of the light-guiding pillar 30；
And the package board 10 is equipped on towards 20 side of base material and the light-emitting surface of the corresponding light-guiding pillar 30
The light intensity sensor 40 of setting.
As shown in the above, photosensitive device provided by the embodiments of the present application, light-guiding pillar can receive multiple directions incidence
Ambient light, then by ambient light guide to light intensity sensor carry out light intensity sensing, ensure that photosensitive device is adopted
The validity for collecting light is high.
It should be noted that light-guiding pillar provided by the embodiments of the present application is fixed in the carrying through hole, wherein, the light-guiding pillar back of the body
Top surface from package board side is incidence surface, and the bottom surface of light-guiding pillar towards package board side is light-emitting surface；Different directions are incident
Ambient light enter light-guiding pillar incidence surface after, by different disposals such as the transmissions, reflection, refraction of light-guiding pillar, by ambient light
Line is guided to light-emitting surface and is emitted.In addition, light-guiding pillar provided by the embodiments of the present application can be cylinder, can also be square column, to this
The application is not particularly limited, it is necessary to specifically be designed according to practical application.
In one embodiment of the application, base material and package board are formed into seal, then light intensity sensor is set
In the seal, avoid except ambient light is that other light impact light intensity sensor, and then improve photoreceptor cartridge
The photosensitive precision put.
In one embodiment of the application, the incidence surface and/or light-emitting surface of the light-guiding pillar that the application provides are burnishing surface.
Wherein, by the way that the incidence surface of light-guiding pillar and/or light-emitting surface are processed by shot blasting, so increase light-guiding pillar incidence surface and/or
The light transmittance of light-emitting surface, improves the induction precision of photosensitive device.Preferably, the incidence surface of light-guiding pillar provided by the embodiments of the present application
It is burnishing surface with light-emitting surface.
To improve outside light transmittance in addition to being processed by shot blasting to the incidence surface of light-guiding pillar and light-emitting surface, it can also be passed through
His mode improves the incidence surface of light-guiding pillar and the light transmittance of light-emitting surface.Such as, the light-guiding pillar provided by the embodiments of the present application enters
Smooth surface and/or light-emitting surface side are additionally provided with an anti-reflection film, by the setting of anti-reflection film, improve the incidence surface and light extraction of light-guiding pillar
The light transmittance in face.
Further, the side of the light-guiding pillar provided by the embodiments of the present application is frosting.Wherein, by the side of light-guiding pillar
Face carries out frosted processing, can reduce the transmitting light from side surface situation of light-guiding pillar, places the ambient light that is incident in light-guiding pillar from leading
Light beam side transmits away.
In the above-mentioned any one embodiment of the application, the light-guiding pillar provided by the embodiments of the present application can be that glass is guide-lighting
Column or plastics light-guiding pillar.And package board provided by the embodiments of the present application is wiring board, sensed by wiring board for light intensity
Device provides coherent signal etc.；Wherein, wiring board can be printed wiring board.Light intensity sensor provided by the embodiments of the present application
It can be rom semiconductor BH1730FVC chips, this application is not particularly limited.
In one embodiment of the application, the base material that the embodiment of the present application carries can be plastic basis material.Wherein, the application provides
Base material can be an entity base material, carry through hole be formed there through on the entity base material.In addition, the embodiment of the present application carries
The base material of confession can also be a moulding, refering to what is shown in Fig. 2, being a kind of structural representation of base material provided by the embodiments of the present application
Figure, wherein, base material includes：
Columnar carrying structure 21, and tool runs through its carrying through hole in columnar carrying structure 21；
Around the peripheral structure 22 of columnar carrying structure 21, wherein, peripheral structure 21 surrounds columnar carrying structure 21
Side；
And there is sealing cover 23 entering light side, by the top surface of the top surface of carrying structure 21 and peripheral structure 21 it
Between connect, and by between the side of carrying structure 21 and the side of peripheral structure 21 hollow out seal.
Fixation forms seal between light extraction side package board and peripheral structure, and light intensity sensor is arranged at
The seal is interior and is correspondingly arranged in the region for the light-emitting surface for carrying the light-guiding pillar in through hole.Wherein, the embodiment of the present application provides
Light intensity sensor and light-guiding pillar light-emitting surface between, there is certain interval on the direction of base material to package board, avoid
Daylighting is bad and light-guiding pillar damages light intensity sensor；Wherein, which can be 0.1mm, this application is not done
Concrete restriction.
Photosensitive device provided by the embodiments of the present application can be applied in electronic equipment, and then provide environment for electronic equipment
Light intensity information, makes electronic equipment make corresponding reaction, wherein, the electronic equipment that the application provides can be display,
And the photosensitive device is used for the display brightness regulating system of display.
Specifically, the embodiment of the present application additionally provides a kind of display brightness regulating system, refering to what is shown in Fig. 3, being the application
A kind of structure diagram for display brightness regulating system that embodiment provides, wherein, display brightness regulating system is applied to display
Device, the display include light supply apparatus 400, and the display brightness regulating system includes：
Photosensitive device 100, the photosensitive device that the photosensitive device 100 provides for above-mentioned any one embodiment, for sensing
The current intensity signal of ambient light；
The main control chip 200 that input terminal is connected with the photosensitive device 100, the main control chip 200 include being used to export
With the output terminal of matched first brightness regulated signal of the current intensity signal；
And the power supply circuit 300 that input terminal is connected with the output terminal of the main control chip 200, the power supply circuit 300
Including the output terminal for output and the matched drive signal of the first brightness regulated signal, wherein, the light supply apparatus 400
It is connected with the output terminal of the power supply circuit 300, for providing corresponding display brightness according to the drive signal.
As shown in the above, technical solution provided by the embodiments of the present application, photosensitive device are capable of induced environment light
Intensity signal, and the first brightness regulated signal is matched according to intensity signal, according to the first brightness regulated signal match control light
The drive signal of source device display brightness, to complete purpose of the display with the light intensity automatic adjustment display brightness of ambient light；
Wherein, in the case of ambient light is stronger, the light supply apparatus display brightness of display brightness regulating system control display is higher,
Make the display content of user's normal observation display；And in the case where ambient light is relatively low, the control of display brightness regulating system
The light supply apparatus display brightness of display is relatively low, avoids that eyes of user is caused to stimulate.In addition, photosensitive device can receive it is multiple
The ambient light of direction incidence so that the validity of the ambient light of sensing is high, and then improves the essence of subsequent adjustment display brightness
Degree.
In one embodiment of the application, main control chip that the application provides for MCU (Microcontroller Unit, it is micro-
Control unit) chip, wherein, main control chip can be connected by I2C interface with photosensitive device, and main control chip is in generation first
During brightness regulated signal, it can be determined by lookup table mode and matched first brightness regulated signal of intensity signal.That is, the application
The main control chip that embodiment provides includes：
Storage unit, the storage unit are stored with multiple and different intensity signals and corresponding matched first brightness regulation
The data message of signal；
And the searching unit being connected with the input terminal of the main control chip and the storage unit, the searching unit
Including the mating end for determining corresponding matched first brightness regulated signal according to the current intensity signal, wherein, institute
The output terminal for stating main control chip is connected with the mating end of the searching unit.
Main control chip, can be by searching for unit, in the light intensity of storage unit storage after current intensity signal is obtained
Information determines and current matched first brightness regulation of intensity signal with the data message of the first brightness regulated signal, searching
Signal, and then first brightness regulated signal is transmitted to the output terminal of main control chip, to be transmitted in power supply circuit.
The display brightness regulating system that the application provides, shows except that can be adjusted automatically according to the intensity signal of ambient light
, can also manual adjusting display brightness outside brightness.That is, the main control chip provided by the embodiments of the present application is further included to be shown with described
Show display end and feedback end that device is connected；
Wherein, the display end of the main control chip is used to generate the display letter for controlling the display operation display interface
Number；And the feedback end of the main control chip is used to receive the second brightness regulated signal generated by the operation display interface,
The output terminal of the main control chip is additionally operable to export second brightness regulated signal, wherein, the output terminal of the power supply circuit
It is additionally operable to output and the matched drive signal of the second brightness regulated signal.
, can be by remote control or display by key control main control chip when user needs manual adjusting display brightness
Display end output shows signal, and then makes display operation display interface；User can be led to according to the display information of operation interface
Cross the adjusting of the button progress display brightness of remote control or display, i.e. the second brightness regulated signal is generated according to user's operation, is supplied
After circuit receives second brightness regulated signal, matched drive signal is generated according to the second brightness regulated signal, drives light
Source device shows corresponding bright, achievees the purpose that manual adjusting display brightness.
In one embodiment of the application, first brightness regulated signal and second brightness regulation that the application provides
Signal all can be PWM (Pulse Width Modulation, pulse width modulation) signal, and the duty of different pwm signal
Than difference.That is, can be by determining difference no matter in manual adjusting display brightness, or during automatic adjustment display brightness
The duty cycle of pwm signal, the pwm signal of different duty is transmitted in power supply circuit, produces power supply circuit different
Drive signal, to achieve the purpose that to drive light supply apparatus to show different brightness.Preferably, power supply electricity provided by the embodiments of the present application
Road be TPS61165DBV schemes Boost circuit, wherein, the power supply circuit have peripheral component it is less, it is efficient,
The advantages that carrying load ability is strong, chip package volume is small.
In one embodiment of the application, the display that the application provides is liquid crystal display；
Wherein, the light supply apparatus is backlight source module, and the drive signal is driving current, wherein, the application couple
The type of display is not particularly limited.
In one embodiment of the application, photosensitive device can be arranged in the housing of display.Refering to what is shown in Fig. 4, it is this
Apply for a kind of structure diagram for display that embodiment provides, wherein, the display includes：
Display panel (not shown)；
And the cover board 1 positioned at the display surface side of the display panel；
Wherein, the photosensitive device 100 (wherein, illustrate only base material 20 and light-guiding pillar 30 in figure) is arranged at the lid
Plate 1 is towards the display panel side, and it is transmission region 111 that the cover board 1, which corresponds to the region of the light-guiding pillar 30,.
In one embodiment of the application, the cover board that the application provides can be glass cover-plate or plastic cover plate, to this this Shen
It please be not particularly limited.In addition, the outer surface 11 of cover board 1 provided by the embodiments of the present application can be processed by shot blasting, and cover board 1
Inner surface can be polished after spray the processing of color paint, color paint meets the appearance requirement of display.
In one embodiment of the application, the transmission region that the application provides can be void region；
Alternatively, the transmission region includes multiple loopholes, as shown in figure 5, for one kind provided by the embodiments of the present application thoroughly
The structure diagram in light region, wherein, transmission region includes multiple loophole 111a, incident by the loophole of diverse location
The ambient light of different incident directions.In one embodiment of the application, loophole can be in transmission region aligned transfer, can also
In transmission region No- L aw Order；And the diameter of all loopholes can be identical, can also differ, can also part
Identical and part differs, this application is not particularly limited.
Correspondingly, the embodiment of the present application additionally provides a kind of display, the display includes above-mentioned any one embodiment
The display brightness regulating system of offer.
In one embodiment of the application, the display that the application provides is line control machine.Wherein, line control machine can be applied
In air-conditioning system.
The embodiment of the present application provides a kind of photosensitive device, display brightness regulating system and display, the photosensitive device
Including：The base material being arranged in package board, the package board and base material composition seal；Along the base material to package board
Direction, a carrying through hole is provided with through the base material；The light-guiding pillar being fixed in the carrying through hole, the light-guiding pillar enter
Smooth surface is used for the ambient light for receiving multiple directions incidence, and the ambient light is guided to the light-emitting surface of the light-guiding pillar；
And it is equipped on the light intensity that the light-emitting surface of the package board towards the base material side and the corresponding light-guiding pillar is set
Sensor.
As shown in the above, technical solution provided by the embodiments of the present application, photosensitive device are capable of induced environment light
Intensity signal, and the first brightness regulated signal is matched according to intensity signal, according to the first brightness regulated signal match control light
The drive signal of source device display brightness, to complete purpose of the display with the light intensity automatic adjustment display brightness of ambient light；
In addition, photosensitive device can receive the ambient light of multiple directions incidence so that the validity of the ambient light of sensing is high, and then
Improve the precision of subsequent adjustment display brightness.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (15)
1. a kind of photosensitive device, the intensity signal current for induced environment light, it is characterised in that the photosensitive device bag
Include：
The base material being arranged in package board, the package board and base material composition seal；
Along the base material to the direction of package board, the base material is provided with a carrying through hole；
The light-guiding pillar being fixed in the carrying through hole, the incidence surface of the light-guiding pillar are used for the environment for receiving multiple directions incidence
Light, and the ambient light is guided to the light-emitting surface of the light-guiding pillar；
And it is equipped on the light that the light-emitting surface of the package board towards the base material side and the corresponding light-guiding pillar is set
Intensity sensor.
2. the photosensitive device of ambient light according to claim 1, it is characterised in that the incidence surface of the light-guiding pillar and/
Or light-emitting surface is burnishing surface.
3. the photosensitive device of ambient light according to claim 1, it is characterised in that the incidence surface of the light-guiding pillar and/
Or light-emitting surface side is additionally provided with an anti-reflection film.
4. the photosensitive device of ambient light according to claim 1, it is characterised in that the side of the light-guiding pillar is frosted
Face.
5. the photosensitive device of ambient light according to claim 1, it is characterised in that the light-guiding pillar is glass light-guiding pillar
Or plastics light-guiding pillar.
6. the photosensitive device of ambient light according to claim 1, it is characterised in that the package board is wiring board.
7. a kind of display brightness regulating system, applied to display, the display includes light supply apparatus, it is characterised in that institute
Stating display brightness regulating system includes：
Photosensitive device, the photosensitive device is the photosensitive device described in claim 1~6 any one, for induced environment light
The current intensity signal of line；
The main control chip that input terminal is connected with the photosensitive device, the main control chip include being used to export and the current light
The output terminal of first brightness regulated signal of strong information matches；
And the power supply circuit that input terminal is connected with the output terminal of the main control chip, the power supply circuit include being used to export
With the output terminal of the matched drive signal of the first brightness regulated signal, wherein, the light supply apparatus and the power supply circuit
Output terminal be connected, for providing corresponding display brightness according to the drive signal.
8. display brightness regulating system according to claim 7, it is characterised in that the main control chip includes：
Storage unit, the storage unit are stored with multiple and different intensity signals and corresponding matched first brightness regulated signal
Data message；
And the searching unit being connected with the input terminal of the main control chip and the storage unit, the searching unit include
For determining the mating end of corresponding matched first brightness regulated signal according to the current intensity signal, wherein, the master
The output terminal of control chip is connected with the mating end of the searching unit.
9. display brightness regulating system according to claim 7, it is characterised in that the main control chip further include with it is described
The display end and feedback end that display is connected；
Wherein, the display end of the main control chip is used to generate the display signal for controlling the display operation display interface；And
The feedback end of the main control chip is used to receive the second brightness regulated signal generated by the operation display interface, the master
The output terminal of control chip is additionally operable to export second brightness regulated signal, wherein, the output terminal of the power supply circuit is additionally operable to
Output and the matched drive signal of the second brightness regulated signal.
10. display brightness regulating system according to claim 9, it is characterised in that first brightness regulated signal and
Second brightness regulated signal is pwm signal, and the duty cycle of different pwm signals is different.
11. display brightness regulating system according to claim 7, it is characterised in that the display is liquid crystal display；
Wherein, the light supply apparatus is backlight source module, and the drive signal is driving current.
12. display brightness regulating system according to claim 7, it is characterised in that the display includes：
Display panel；
And the cover board positioned at the display surface side of the display panel；
Wherein, the photosensitive device is arranged at the cover board towards the display panel side, and is led described in cover board correspondence
The region of light beam is transmission region.
13. display brightness regulating system according to claim 12, it is characterised in that the transmission region is vacancy section
Domain；
Alternatively, the transmission region includes multiple loopholes.
14. a kind of display, it is characterised in that the display that the display is included described in claim 7~13 any one is bright
Spend regulating system.
15. display according to claim 14, it is characterised in that the display is line control machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204672.XU CN207231629U (en) | 2017-09-19 | 2017-09-19 | A kind of photosensitive device, display brightness regulating system and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204672.XU CN207231629U (en) | 2017-09-19 | 2017-09-19 | A kind of photosensitive device, display brightness regulating system and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231629U true CN207231629U (en) | 2018-04-13 |
Family
ID=61863090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721204672.XU Active CN207231629U (en) | 2017-09-19 | 2017-09-19 | A kind of photosensitive device, display brightness regulating system and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478328A (en) * | 2017-09-19 | 2017-12-15 | 珠海格力电器股份有限公司 | A kind of photosensitive device, display brightness regulating system and display |
| CN109119044A (en) * | 2018-10-16 | 2019-01-01 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
-
2017
- 2017-09-19 CN CN201721204672.XU patent/CN207231629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478328A (en) * | 2017-09-19 | 2017-12-15 | 珠海格力电器股份有限公司 | A kind of photosensitive device, display brightness regulating system and display |
| CN109119044A (en) * | 2018-10-16 | 2019-01-01 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107478328A (en) | A kind of photosensitive device, display brightness regulating system and display | |
| CN202274470U (en) | Illumination equipment | |
| CN207231629U (en) | A kind of photosensitive device, display brightness regulating system and display | |
| WO2004086215A3 (en) | Light pen | |
| KR20140013371A (en) | Liquid crystal display device | |
| CN100529855C (en) | LCD device | |
| CN204577063U (en) | Based on the all-in-one of surround lighting dynamic adjustments liquid crystal display backlight illumination | |
| CN205793529U (en) | A kind of based on LED side light filling and brightness with the display device of ambient light adaptive | |
| CN105654912B (en) | A kind of screen backlight control circuit and display device | |
| CN202534330U (en) | Automatic light adjusting apparatus for display | |
| CN101149902A (en) | Image display instrument | |
| CN201323695Y (en) | Reading lamp automatic light regulating device | |
| CN207094328U (en) | A kind of adjustable calligraphy practicing device of brightness | |
| CN206713104U (en) | Intelligent wireless remote control dimming driving device special for LED lamp | |
| CN206301089U (en) | Medical image viewing equipment | |
| CN201965894U (en) | Automatic display brightness adjusting and control device | |
| CN214587783U (en) | LED display screen | |
| RU178208U1 (en) | ELECTRONIC MANUAL VIDEO ENLARGE FOR LOW-VISIBLE (OPTIONS) | |
| CN205174092U (en) | Intelligent desk lamp | |
| CN216697783U (en) | Backlight adjusting circuit and remote controller | |
| CN218216744U (en) | VR (virtual reality) mobile power supply with infrared lamp | |
| CN220420101U (en) | Sound control lamp model for teaching | |
| CN107895545A (en) | A kind of LCD display unit and LCD electronic equipment | |
| TWI291000B (en) | Automatic light adjusting method for desktop lamp and its apparatus | |
| CN208399857U (en) | A kind of liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |