CN106057137A - Display device and brightness control method thereof - Google Patents
Display device and brightness control method thereof Download PDFInfo
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- CN106057137A CN106057137A CN201610700251.XA CN201610700251A CN106057137A CN 106057137 A CN106057137 A CN 106057137A CN 201610700251 A CN201610700251 A CN 201610700251A CN 106057137 A CN106057137 A CN 106057137A
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- display
- display device
- circuit
- control signal
- backlight
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- 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)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a display device and a brightness control method thereof. The display device comprises a display panel and a backlight source. The backlight source comprises a plurality of light emitting devices and a backlight control circuit. The display panel comprises a first transparent substrate and a second transparent substrate which are opposite to each other, a plurality of photosensitive transistors arranged on the first transparent substrate and/or the second transparent substrate, and a brightness control circuit connected with the plurality of photosensitive transistors, wherein the currents output by the photosensitive transistors change with the environment light intensity; the bright control circuit is used for detecting the currents output by the photosensitive transistors, generating corresponding control signals according to the current changes and transmitting the control signals to the backlight control circuit so as to enable the backlight control circuit to control the light emitting brightness of the light emitting devices according to the control signals. Compared with a photosensitive sensor, the photosensitive transistor is small in size and relatively low in cost, so that the integration degree of the display device is improved, and the manufacturing cost of the display device is lowered.
Description
Technical field
The present invention relates to display device technical field, more particularly, it relates to a kind of display device and brilliance control side thereof
Method.
Background technology
Existing display device includes display floater and provides the backlight etc. of backlight to this display floater.Due to LED
(Light Emitting Diode, light emitting diode) has that brightness is high, low in energy consumption and the advantage such as life-span length, therefore, and existing skill
Art use mostly LED as backlight.
During above-mentioned display device works, owing to the luminosity of LED backlight is held essentially constant, therefore,
In the case of ambient light is the most weak, human eye can be caused the biggest injury by the high brightness that LED backlight produces；And in ambient light
In the case of line is very strong, the brightness that LED backlight produces be insufficient for again people to the picture display brightness of display device and
The requirement of picture display effect.
Based on this, disclosing a kind of display device with light sensor in prior art, it passes through light sensor
The light intensity of sensing external environment, and control the brightness of LED backlight according to the light intensity of environment, with at protection human eye
Simultaneously, it is ensured that the display brightness of display device picture and display effect.But, due to relatively costly, the volume of light sensor
Relatively big, therefore, not only can affect the integrated level of display device, also can make the relatively costly of display device.
Summary of the invention
In view of this, the invention provides a kind of display device and brightness control method thereof, with solve in prior art by
, volume relatively costly in light sensor is relatively big, and the problem that the display device integrated level that causes is low, relatively costly.
For achieving the above object, the present invention provides following technical scheme:
A kind of display device, including display floater and backlight, described backlight includes multiple luminescent device and with described
The backlight control circuit that multiple luminescent devices are connected；
Described display floater include the first transparency carrier being oppositely arranged and the second transparency carrier, be arranged at described first saturating
Multiple optical transistors on bright substrate and/or described second transparency carrier and bright with what the plurality of optical transistor was connected
Degree control circuit；
Wherein, the light of described display device local environment is irradiated to described photosensitive crystal through described first transparency carrier
Guan Shang, and described optical transistor output electric current can change with the change of the light intensity of described environment；
Described intednsity circuit, for detecting the electric current of described optical transistor output, produces according to the change of described electric current
Raw corresponding control signal, and by the transmission of described control signal to described backlight control circuit, so that described backlight control circuit
The luminosity of described luminescent device is controlled according to described control signal.
Preferably, described display device also includes driving described display floater to carry out the display driver circuit shown；
Described intednsity circuit is additionally operable to the transmission of described control signal to described display driver circuit, so that described aobvious
Show drive circuit according to described control signal adjust described display floater display parameters, described display parameters include contrast and
Gamma parameter.
Preferably, described optical transistor is connected with described intednsity circuit respectively.
Preferably, it is connected with described intednsity circuit after multiple described optical transistor parallel connections；
It is multiple described that described optical transistor includes that grid, source electrode and drain electrode, multiple described optical transistor parallel connections refer to
The grid of optical transistor links together, and the source electrode of multiple described optical transistors links together, multiple described photosensitive crystalline substances
The drain electrode of body pipe links together.
Preferably, two, three, five, after optical transistor parallel connection described in ten or 20 with described brilliance control electricity
Road is connected.
Preferably, described second transparency carrier is provided with a plurality of gate line, a plurality of data lines and by described a plurality of grid
Multiple pixel cells that polar curve and a plurality of data lines insulation intersection limit, described pixel cell includes thin film transistor (TFT) and pixel
Electrode；
The gate driver circuit that scanning signal is provided it is additionally provided with to described a plurality of gate line on described second transparency carrier,
Described gate driver circuit includes multiple thin film transistor (TFT)；
Wherein, the described thin film transistor (TFT) during described optical transistor is described pixel cell or described gate driver circuit
In described thin film transistor (TFT).
Preferably, described intednsity circuit and described gate driver circuit are integrated in same chip.
Preferably, described display floater also includes data drive circuit, described data drive circuit and described many data
Line is connected, for providing data display signal to described a plurality of data lines；
Wherein, described intednsity circuit and described data drive circuit are integrated in same chip.
The brightness control method of a kind of display device, is applied to the display device as above described in any one, described brightness control
Method processed includes:
The electric current of detection optical transistor output；
Change according to described electric current produces corresponding control signal, and by the transmission of described control signal to backlight control electricity
Road, so that described backlight control circuit controls the luminosity of described luminescent device according to described control signal.
Preferably, also include:
By the transmission of described control signal to described display driver circuit, so that described display driver circuit is according to described control
Signal adjusts the display parameters of described display floater, and described display parameters include contrast and gamma parameter.
Compared with prior art, technical scheme provided by the present invention has the advantage that
Display device provided by the present invention and brightness control method thereof, the display floater in display device is provided with light
Quick transistor, the light of this display device local environment can be irradiated to photosensitive crystal through the first transparency carrier of display floater
Guan Shang, and, the electric current of this optical transistor output can change, based on this, with photosensitive crystalline substance with the change of ambient light intensity
The intednsity circuit that body pipe is connected can control the luminosity of backlight luminescent device according to the change of optical transistor electric current.
Compared with light sensor, the small volume of optical transistor, cost are relatively low, such that it is able to improve the integrated level of display device,
Reduce the cost of manufacture of display device.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The cross-sectional view of the display device that Fig. 1 provides for the embodiment of the present invention；
The cross-sectional view of the display floater in the display device that Fig. 2 provides for the embodiment of the present invention；
The parallel circuit figure of the optical transistor that Fig. 3 provides for the embodiment of the present invention；
The plan structure schematic diagram of the second transparency carrier of the display floater that Fig. 4 provides for the embodiment of the present invention；
Fig. 5 is other the flow chart of brightness control method of display device of the embodiment of the present invention.
Detailed description of the invention
As described in background, the existing display device by light sensor sensing external environment light intensity
Integrated level is relatively low, relatively costly, and, the power consumption of this light sensor is relatively big, and the power consumption causing display device is the biggest.
Based on this, the invention provides a kind of display device, with the problems referred to above overcoming prior art to exist, including display
Panel and backlight, described backlight includes multiple luminescent device and the backlight control electricity being connected with the plurality of luminescent device
Road；
Described display floater include the first transparency carrier being oppositely arranged and the second transparency carrier, be arranged at described first saturating
Multiple optical transistors on bright substrate and/or described second transparency carrier and bright with what the plurality of optical transistor was connected
Degree control circuit；
Wherein, the light of described display device local environment is irradiated to described photosensitive crystal through described first transparency carrier
Guan Shang, and described optical transistor output electric current can change with the change of described ambient light intensity；
Described intednsity circuit, for detecting the electric current of described optical transistor output, produces according to the change of described electric current
Raw corresponding control signal, and by the transmission of described control signal to described backlight control circuit, so that described backlight control circuit
The luminosity of described luminescent device is controlled according to described control signal.
Present invention also offers the brightness control method of a kind of display device, be applied to display device as above, institute
State brightness control method to include:
The electric current of detection optical transistor output；
Change according to described electric current produces corresponding control signal, and by the transmission of described control signal to backlight control electricity
Road, so that described backlight control circuit controls the luminosity of described luminescent device according to described control signal.
The display device of present invention offer and brightness control method thereof, the display floater in display device is provided with photosensitive
Transistor, the light of this display device local environment can be irradiated to optical transistor through the first transparency carrier of display floater
On, and, the electric current of this optical transistor output can change, based on this, with photosensitive crystal with the change of ambient light intensity
The intednsity circuit that pipe is connected can control the luminosity of backlight luminescent device according to the change of optical transistor electric current.With
Light sensor is compared, and the small volume of optical transistor, cost are relatively low, such that it is able to improve the integrated level of display device, and fall
The cost of manufacture of low display device.
It is above the core concept of the present invention, for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from easily
Understand, below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is all right
Using other to be different from alternate manner described here to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, the present invention combines schematic diagram and is described in detail, when describing the embodiment of the present invention in detail, for purposes of illustration only, table
Showing that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, it should not at this
Limit the scope of protection of the invention.Additionally, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Below by specific embodiment, technical scheme is described in detail.
The embodiment provides a kind of display device, as it is shown in figure 1, this display device includes display floater 1 He
Backlight, this backlight is used for providing light source to display floater 1, and, this backlight includes that multiple luminescent device 2 is with multiple
The connected backlight control circuit (not shown) of luminescent device 2 and the display driving display floater 1 to carry out showing drive electricity
Road (not shown).Certainly, this display device also includes the light guide plate etc. being arranged on luminescent device 2 light emission side, at this no longer
Repeat.
Wherein, luminescent device 2 is preferably LED.Further, all of luminescent device 2 may be located on the same of display floater 1
Side, certainly, the present invention is not limited to this, and in other embodiments, part luminescent device 2 can be arranged on display floater 1
Side, other luminescent devices 2 can be arranged on the opposite side that display floater 1 is relative, and such as, part luminescent device 2 is arranged on
The left side of display floater 1, other luminescent devices 2 are arranged on the right side of display floater 1.
As in figure 2 it is shown, display floater 1 includes the first transparency carrier 10 and the second transparency carrier 11 being oppositely arranged, and
It is arranged on the liquid crystal layer 12 between the first transparency carrier 10 and the second transparency carrier 11, wherein, only with display surface in the present embodiment
Plate 1 illustrates for as a example by display panels, and the present invention is not limited to this, and in other embodiments, display floater 1 also may be used
Think LED display panel or OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display floater etc..
Wherein, display floater 1 also includes the multiple light being arranged on the first transparency carrier 10 and/or the second transparency carrier 11
Quick transistor 110, and the intednsity circuit (not shown) being connected with all of optical transistor 110.
Wherein, all of optical transistor 110 is all disposed within the first transparency carrier 10；Or all of optical transistor
110 are all disposed within the second transparency carrier 11；Or part optical transistor 110 is arranged on the first transparency carrier 10, part
Optical transistor 110 is arranged on the second transparency carrier 11.But, no matter it is arranged on where, all needs to ensure residing for display device
The light of environment can shine directly on optical transistor 110 through after the first transparency carrier 10.
Optical transistor 110 equivalence light sensitive diode in the present embodiment or phototriode, it can induced environment light
The Strength Changes of line, say, that the electric current of optical transistor 110 output can change with the change of ambient light intensity.Base
In this, the intednsity circuit in the present embodiment can detect the electric current of optical transistor 110 output, according to optical transistor 110
The change of the electric current of output produces corresponding control signal, and transmits this control signal to backlight control circuit, so that backlight
Control circuit controls the luminosity of luminescent device 2 according to control signal.
Specifically, when ambient light intensity diminishes that i.e. light dies down, the electric current of optical transistor 110 output diminishes, this
Time, intednsity circuit can reduce the luminosity of luminescent device 2 by backlight control circuit, to protect human eyes from injury；
When ambient light intensity change big i.e. light change is strong, the electric current change of optical transistor 110 output is big, now, and intednsity circuit
The luminosity of luminescent device 2 can be improved, to ensure picture display brightness and the display of display device by backlight control circuit
Effect.
In another embodiment of the invention, intednsity circuit is additionally operable to display, control signal transmission is driven electricity
Road so that display driver circuit according to control signal adjust display floater 1 display parameters, these display parameters include contrast and
Gamma parameter.It is to say, intednsity circuit can adjust contrast and the gamma parameter of display floater 1 according to ambient brightness
Deng, with display floater 1, there is under different lightness environment different display effects, in order to user more clearly watches display figure
Picture.
In the present embodiment, optical transistor 110 is connected with intednsity circuit respectively, certainly, in order to promote photosensitive crystal
The light sensation leakage current ability of pipe 110, can be connected with intednsity circuit after the parallel connection of multiple optical transistor 110.Optionally, may be used
It is connected with intednsity circuit after two, three, five, ten or 20 optical transistor 110 parallel connections.
As it is shown on figure 3, the optical transistor 110 in the present embodiment includes grid g, source electrode s and drain electrode d, wherein, Duo Geguang
The parallel connection of quick transistor 110 refers to that the grid g of multiple optical transistor 110 links together, the source electrode of multiple optical transistors 110
S links together, and the drain electrode d of multiple optical transistors 110 links together.
As shown in Figure 4, the second transparency carrier 11 in the present embodiment is additionally provided with a plurality of gate line 111, many data
Line 112 and being insulated by a plurality of gate line 111 and a plurality of data lines 112 intersects multiple pixel cells of limiting, each pixel
Unit all includes thin film transistor (TFT) 113 and pixel electrode 114.Additionally, be additionally provided with raster data model electricity on the second transparency carrier 11
Road 115 and data drive circuit 116, this gate driver circuit 115 includes multiple thin film transistor (TFT), and this gate driver circuit
115 are connected with all of gate line 111, for providing scanning signal, this data drive circuit 116 to all of gate line 111
It is connected with all of data wire 112, for providing data to show signal to all of data wire 112.Certainly, as in figure 2 it is shown,
Being additionally provided with public electrode 117 on two transparency carriers 11, this public electrode 117 covers multiple pixel cell.
Wherein, the grid of thin film transistor (TFT) 113 is connected with gate line 111, source electrode is connected with data wire 112, drain and picture
Element electrode 114 is connected.Further, thin film transistor (TFT) 113 is opened under the control scanning signal that gate line 111 inputs so that number
It is transferred in pixel electrode 114 by its source electrode and drain electrode according to the data signal in line 112, so that pixel electrode 114 and public
Form the electric field of the liquid crystal molecule upset driven in the liquid crystal layer of corresponding region between electrode 117, and then make luminous organ in backlight 2
The light that part sends passes through the liquid crystal molecule after upset to carry out the display of image after the optical filter on the first transparency carrier 10.
It should be noted that the first transparency carrier 10 has black matrix and multiple filter towards the side of the second transparency carrier 11
Mating plate, each optical filter is correspondingly arranged with one or more pixel cells, will transmit through the liquid crystal of pixel cell corresponding region
The light of layer is filtered into HONGGUANG, green glow or blue light.Based on this, multiple optical filters include Red lightscreening plate, green color filter and indigo plant
Colo(u)r filter.Wherein, black matrix gap between pixel cell in the non-display area and viewing area of display floater 1
In, to prevent the light of backlight 2 outgoing through gap between pixel cell in non-display area and viewing area, and affect
The display effect of display device display picture.
Based on this, the optical transistor 110 in the present embodiment is the thin film transistor (TFT) in pixel cell or raster data model electricity
Other thin film transistor (TFT)s in thin film transistor (TFT) in road 115, or display floater 1, but it should be noted that this thin film is brilliant
Body pipe is necessary for not blocked or block less thin film by black matrix on the first transparency carrier 10 and the metal level in display floater 1
Transistor.Owing to thin film transistor (TFT) has PN junction, therefore, it can be with the change of induced environment light intensity, can be as this
Optical transistor 110 in bright.Certainly, the present invention is not limited to this, and optical transistor 110 can be additionally to be produced on display
Thin film transistor (TFT) on panel 1.
Additionally, intednsity circuit can be integrated in same chip with gate driver circuit, it is also possible to data-driven
Circuit is integrated in same chip, and certainly, the present invention is not limited to this, and in other embodiments, intednsity circuit also may be used
To be integrated in single chip.
The display device that the present embodiment provides, the display floater in display device is provided with optical transistor, this display
The light of device local environment can be irradiated on optical transistor through the first transparency carrier of display floater, and, this light
Quick transistor output electric current can change with the change of ambient light intensity, based on this, the brightness being connected with optical transistor
Control circuit can control the luminosity of backlight luminescent device according to the change of optical transistor electric current.With light sensor phase
Ratio, the small volume of optical transistor, cost are relatively low, such that it is able to improve the integrated level of display device, reduce display device
Cost of manufacture.
The embodiment of the present invention additionally provides the brightness control method of a kind of display device, is applied to any of the above-described embodiment and carries
The display device of confession, as it is shown in figure 5, this brightness control method includes:
S501: the electric current of detection optical transistor output；
In the present embodiment, it is arranged on the multiple optical transistors on the first transparency carrier 10 and/or the second transparency carrier 11
110 equivalence light sensitive diodes or phototriodes, it can the Strength Changes of induced environment light, say, that photosensitive crystal
The electric current of pipe 110 output can change with the change of ambient light intensity.Due to optical transistor 110 all with intednsity circuit
Being connected, therefore, intednsity circuit can detect the electric current of optical transistor 110 output.
S502: produce corresponding control signal according to the change of described electric current, and described control signal is transmitted to backlight
Control circuit, so that described backlight control circuit controls the luminosity of described luminescent device according to described control signal.
After intednsity circuit can detect the electric current of optical transistor 110 output, produce according to the change of described electric current
Corresponding control signal, and described control signal is transmitted to backlight control circuit, so that described backlight control circuit is according to institute
State control signal and control the luminosity of described luminescent device.
Specifically, when ambient light intensity diminishes that i.e. light dies down, the electric current of optical transistor 110 output diminishes, this
Time, intednsity circuit can reduce the luminosity of luminescent device 2 by backlight control circuit, to protect human eyes from injury；
When ambient light intensity change big i.e. light change is strong, the electric current change of optical transistor 110 output is big, now, and intednsity circuit
The luminosity of luminescent device 2 can be improved, to ensure picture display brightness and the display of display device by backlight control circuit
Effect.
In another embodiment of the invention, this control method also includes:
By the transmission of described control signal to described display driver circuit, so that described display driver circuit is according to described control
Signal adjusts the display parameters of described display floater, and described display parameters include contrast and gamma parameter.
Based on this, display floater 1 can be controlled according to different ambient brightness and there is different display effects, in order to Yong Hugeng
Clearly viewing display image.
The brightness control method of the display device that the present embodiment provides, can control the back of the body according to the change of optical transistor electric current
The luminosity of light source luminescent device.Compared with light sensor, the small volume of optical transistor, cost are relatively low, thus can
To improve the integrated level of display device, reduce the cost of manufacture of display device.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment
For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says
Bright.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a display device, it is characterised in that include that display floater and backlight, described backlight include multiple luminescent device
And the backlight control circuit being connected with the plurality of luminescent device；
Described display floater includes the first transparency carrier being oppositely arranged and the second transparency carrier, is arranged at described first transparent base
Multiple optical transistors on plate and/or described second transparency carrier and the brightness control being connected with the plurality of optical transistor
Circuit processed；
Wherein, the light of described display device local environment is irradiated to described optical transistor through described first transparency carrier
On, and described optical transistor output electric current can change with the change of the light intensity of described environment；
Described intednsity circuit, for detecting the electric current of described optical transistor output, produces phase according to the change of described electric current
The control signal answered, and by the transmission of described control signal to described backlight control circuit so that described backlight control circuit according to
Described control signal controls the luminosity of described luminescent device.
Display device the most according to claim 1, it is characterised in that described display device also includes driving described display surface
Plate carries out the display driver circuit shown；
Described intednsity circuit is additionally operable to the transmission of described control signal to described display driver circuit, so that described display is driven
Galvanic electricity road adjusts the display parameters of described display floater according to described control signal, and described display parameters include contrast and gamma
Parameter.
Display device the most according to claim 1 and 2, it is characterised in that described optical transistor respectively with described brightness
Control circuit is connected.
Display device the most according to claim 1 and 2, it is characterised in that with institute after multiple described optical transistor parallel connections
State intednsity circuit to be connected；
Described optical transistor includes that grid, source electrode and drain electrode, multiple described optical transistor parallel connections refer to multiple described photosensitive
The grid of transistor links together, and the source electrode of multiple described optical transistors links together, multiple described optical transistors
Drain electrode link together.
Display device the most according to claim 4, it is characterised in that two, three, five, light described in ten or 20
It is connected with described intednsity circuit after quick coupled in parallel.
Display device the most according to claim 1 and 2, it is characterised in that be provided with a plurality of on described second transparency carrier
Gate line, a plurality of data lines and the multiple pixel lists limited by described a plurality of gate line and a plurality of data lines insulation intersection
Unit, described pixel cell includes thin film transistor (TFT) and pixel electrode；
The gate driver circuit that scanning signal is provided it is additionally provided with to described a plurality of gate line on described second transparency carrier, described
Gate driver circuit includes multiple thin film transistor (TFT)；
Wherein, in described thin film transistor (TFT) during described optical transistor is described pixel cell or described gate driver circuit
Described thin film transistor (TFT).
Display device the most according to claim 6, it is characterised in that described intednsity circuit and described raster data model electricity
Road is integrated in same chip.
Display device the most according to claim 6, it is characterised in that described display floater also includes data drive circuit,
Described data drive circuit is connected with described a plurality of data lines, for providing data display signal to described a plurality of data lines；
Wherein, described intednsity circuit and described data drive circuit are integrated in same chip.
9. the brightness control method of a display device, it is characterised in that be applied to showing described in any one of claim 1～8
Showing device, described brightness control method includes:
The electric current of detection optical transistor output；
Change according to described electric current produces corresponding control signal, and transmits described control signal to backlight control circuit,
So that described backlight control circuit controls the luminosity of described luminescent device according to described control signal.
Control method the most according to claim 9, it is characterised in that also include:
By the transmission of described control signal to described display driver circuit, so that described display driver circuit is according to described control signal
Adjusting the display parameters of described display floater, described display parameters include contrast and gamma parameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700251.XA CN106057137A (en) | 2016-08-22 | 2016-08-22 | Display device and brightness control method thereof |
| PCT/CN2017/071113 WO2018036092A1 (en) | 2016-08-22 | 2017-01-13 | Display device and luminance control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700251.XA CN106057137A (en) | 2016-08-22 | 2016-08-22 | Display device and brightness control method thereof |
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| CN106057137A true CN106057137A (en) | 2016-10-26 |
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| CN201610700251.XA Pending CN106057137A (en) | 2016-08-22 | 2016-08-22 | Display device and brightness control method thereof |
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| WO (1) | WO2018036092A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036092A1 (en) * | 2016-08-22 | 2018-03-01 | 信利半导体有限公司 | Display device and luminance control method thereof |
| CN110379392A (en) * | 2019-07-24 | 2019-10-25 | 京东方科技集团股份有限公司 | Array substrate, display panel and its display methods |
| CN111445869A (en) * | 2020-04-30 | 2020-07-24 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
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| CN112951177A (en) * | 2019-12-10 | 2021-06-11 | 北京集创北方科技股份有限公司 | Display brightness control device and electronic equipment |
| CN114582294A (en) * | 2020-11-30 | 2022-06-03 | 京东方科技集团股份有限公司 | Display device and medical equipment |
| CN115113421A (en) * | 2021-03-23 | 2022-09-27 | 广州视源电子科技股份有限公司 | Quantitative evaluation system for local backlight response delay |
| WO2023108723A1 (en) * | 2021-12-15 | 2023-06-22 | Tcl华星光电技术有限公司 | Backlight module, display panel and display control method thereof, and display device |
| US11889600B2 (en) | 2021-12-15 | 2024-01-30 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module, display panel and display control method thereof, and display device |
Families Citing this family (1)
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|---|---|---|---|---|
| CN110223630A (en) * | 2019-07-09 | 2019-09-10 | 北京颐景丰科技有限公司 | A kind of LED caption machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045433A (en) * | 2003-11-11 | 2005-05-17 | 삼성전자주식회사 | Display apparatus |
| CN1987565A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Liquid crystal display and its back light brightness regulating method |
| CN1987566A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Liquid crystal display and its automatic regulating method |
| JP2007322881A (en) * | 2006-06-02 | 2007-12-13 | Sony Corp | Display device and display control method |
| CN101853625A (en) * | 2010-05-04 | 2010-10-06 | 广东中显科技有限公司 | Flat panel display system capable of regulating luminance automatically |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030392A (en) * | 2004-07-13 | 2006-02-02 | Nec Corp | Display device and electronic equipment using the same |
| CN101025881A (en) * | 2006-02-24 | 2007-08-29 | 佛山市顺德区顺达电脑厂有限公司 | Personized automatic backlight adjusting system and its method |
| CN101443839A (en) * | 2006-05-15 | 2009-05-27 | 索尼株式会社 | Display apparatus and electronic device |
| CN101458121B (en) * | 2007-12-12 | 2012-06-20 | 胜华科技股份有限公司 | Light sensing apparatus and display device thereof |
| US20120105491A1 (en) * | 2010-11-03 | 2012-05-03 | Integrated Crystal Technology Inc. | STRUCTURE FOR ADJUSTING BACKLIGHT bRIGHTNESS OF ELECTRONIC APPARATUS |
| CN106057137A (en) * | 2016-08-22 | 2016-10-26 | 信利光电股份有限公司 | Display device and brightness control method thereof |
-
2016
- 2016-08-22 CN CN201610700251.XA patent/CN106057137A/en active Pending
-
2017
- 2017-01-13 WO PCT/CN2017/071113 patent/WO2018036092A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050045433A (en) * | 2003-11-11 | 2005-05-17 | 삼성전자주식회사 | Display apparatus |
| CN1987565A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Liquid crystal display and its back light brightness regulating method |
| CN1987566A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Liquid crystal display and its automatic regulating method |
| JP2007322881A (en) * | 2006-06-02 | 2007-12-13 | Sony Corp | Display device and display control method |
| CN101853625A (en) * | 2010-05-04 | 2010-10-06 | 广东中显科技有限公司 | Flat panel display system capable of regulating luminance automatically |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036092A1 (en) * | 2016-08-22 | 2018-03-01 | 信利半导体有限公司 | Display device and luminance control method thereof |
| CN110379392B (en) * | 2019-07-24 | 2022-09-02 | 京东方科技集团股份有限公司 | Array substrate, display panel and display method thereof |
| CN110379392A (en) * | 2019-07-24 | 2019-10-25 | 京东方科技集团股份有限公司 | Array substrate, display panel and its display methods |
| CN112951177B (en) * | 2019-12-10 | 2022-09-02 | 北京集创北方科技股份有限公司 | Display brightness control device and electronic equipment |
| CN112951177A (en) * | 2019-12-10 | 2021-06-11 | 北京集创北方科技股份有限公司 | Display brightness control device and electronic equipment |
| US11715443B2 (en) | 2019-12-10 | 2023-08-01 | Chipone Technology (Beijing) Co., Ltd. | Display brightness control apparatus and electronic device |
| CN111445869B (en) * | 2020-04-30 | 2022-04-15 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
| CN111445869A (en) * | 2020-04-30 | 2020-07-24 | 京东方科技集团股份有限公司 | Brightness control device, control method thereof and display panel |
| CN114582294A (en) * | 2020-11-30 | 2022-06-03 | 京东方科技集团股份有限公司 | Display device and medical equipment |
| CN114582294B (en) * | 2020-11-30 | 2023-08-15 | 京东方科技集团股份有限公司 | Display device and medical equipment |
| CN112530352A (en) * | 2020-12-24 | 2021-03-19 | 上海天马有机发光显示技术有限公司 | Driving method and driving device of display device |
| CN112530352B (en) * | 2020-12-24 | 2023-07-25 | 武汉天马微电子有限公司 | Driving method and driving device of display device |
| CN115113421A (en) * | 2021-03-23 | 2022-09-27 | 广州视源电子科技股份有限公司 | Quantitative evaluation system for local backlight response delay |
| CN115113421B (en) * | 2021-03-23 | 2023-08-15 | 广州视源电子科技股份有限公司 | Quantitative evaluation system for local backlight response delay |
| WO2023108723A1 (en) * | 2021-12-15 | 2023-06-22 | Tcl华星光电技术有限公司 | Backlight module, display panel and display control method thereof, and display device |
| US11889600B2 (en) | 2021-12-15 | 2024-01-30 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module, display panel and display control method thereof, and display device |
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| WO2018036092A1 (en) | 2018-03-01 |
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