CN108154852A - Backlight assembly, backlight module, display device and its control method - Google Patents
Backlight assembly, backlight module, display device and its control method Download PDFInfo
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- CN108154852A CN108154852A CN201711498741.7A CN201711498741A CN108154852A CN 108154852 A CN108154852 A CN 108154852A CN 201711498741 A CN201711498741 A CN 201711498741A CN 108154852 A CN108154852 A CN 108154852A
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- lamp bead
- light
- control
- colour temperature
- 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
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of backlight assembly, the backlight assembly is connect with control module, and the backlight assembly includes multiple lamp beads, the lamp bead include it is multiple can independent control illuminator, the illuminator connect with the control module；The lamp bead further includes the toner for the light emission side for being arranged on the illuminator, and the illuminator in same lamp bead issues that the wavelength of light that light extraction excites the toner to generate is different and brightness is identical in the control of the control module.The invention also discloses a kind of backlight module, display device and its control methods.In the present invention, the light excitation toner that illuminator in same lamp bead is sent out under the control of control module is with generation wavelength difference, the identical light of brightness, lamp bead is while the light for sending out different-colour, realize that the corresponding brightness of light of different-colour is identical, so that all obtaining same or similar brightness under various image effect patterns, ensure that display image all has high display quality in various image effect patterns.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of backlight assembly, backlight module, display device and its controls
Method.
Background technology
In order to meet modern diversified demand, existing display equipment generally all has a variety of image effect patterns for choosing
The function of selecting, different image effect patterns are since the colour temperature that backlight module generates is differently formed.Existing backlight module
In, when generating different-colour, the corresponding maximum brightness of different-colour is also different, and the brightness based on same display equipment is identical,
It is especially corresponding to low colour temperature by the corresponding image effect pattern switching of high color temperature when switching between each image effect pattern
During image effect pattern, since the corresponding maximum brightness of low colour temperature is more than the corresponding maximum brightness of high color temperature, low colour temperature is switched to
When, it is impossible to the colour temperature is shown with maximum brightness, causes the image quality under the image effect pattern poor.In other words, it is existing
In backlight module, the image quality such as scape under each image effect pattern is caused due to the corresponding maximum brightness difference of different-colour
Depth, level, gloss etc. have differences.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
It is a primary object of the present invention to provide a kind of backlight assembly, backlight module, display device and its control method, purport
In existing backlight module is solved, since the corresponding maximum brightness difference of different-colour causes under each image effect pattern
The technical issues of image quality has differences, and image quality is poor.
To achieve the above object, the present invention provides a kind of backlight assembly, and the backlight assembly is connect with control module, described
Backlight assembly includes multiple lamp beads, the lamp bead include it is multiple can independent control illuminator, the illuminator and the control
Module connects；The lamp bead further includes the toner for the light emission side for being arranged on the illuminator, the illuminator in same lamp bead
The wavelength difference of the light of the light extraction excitation toner generation is issued in the control of the control module and brightness is identical.
Preferably, the illuminator is the wafer that shines.
Preferably, the wavelength for the light that the luminous wafer in same lamp bead is sent out is different, the light extraction of the luminous wafer
The toner of side setting is identical.
Preferably, the luminous wafer that the light of phase co-wavelength is sent out between the lamp bead is connected in series or in parallel multiple to be formed
Can independent control lamp bead string.
Preferably, the wavelength of light that the luminous wafer in same lamp bead is sent out is identical, the light extraction of the luminous wafer
The toner of side setting is different, and the quantity of toner that each luminous wafer corresponds to excitation is identical.
Preferably, excited between the lamp bead toner of the same race luminous wafer it is connected in series or in parallel with formed it is multiple can be only
The lamp bead string of vertical control.
To achieve these goals, the present invention also provides a kind of backlight module, the backlight module includes backlight drive mould
Block and backlight assembly as described above, the lamp bead string of the backlight assembly is connect respectively with the backlight drive module, described
Backlight drive module respectively drives the lamp bead string and sends out the light that brightness is identical, wavelength is different.
To achieve these goals, the present invention also provides a kind of display device, the display device include control module with
And backlight module as described above, the control module are connect with the backlight drive module of the backlight module, the backlight is driven
Dynamic model block respectively drives the lamp bead string under the control of the control module and sends out the light that brightness is identical, wavelength is different.
In addition, to achieve these goals, the present invention also provides a kind of control method of display device, the display devices
Control method include the following steps：
When receiving colour temperature regulating command, the corresponding target colour temperature of the colour temperature regulating command is obtained；
According to aim colour temperature control system light corresponding with the target colour temperature.
Preferably, the step of light corresponding with the target colour temperature according to the aim colour temperature control system wraps
It includes：
Lamp bead string corresponding with the target colour temperature is obtained according to the target colour temperature；
Control the light in the lamp bead string.
A kind of backlight assembly, backlight module, display device and its control method that the embodiment of the present invention proposes, the backlight
Component includes multiple lamp beads, the lamp bead include it is multiple can independent control illuminator and be arranged on the light extraction of the illuminator
The toner of side, the illuminator are individually controlled by the control module, and the illuminator in same lamp bead is in the control mould
The light sent out under the control of block excites the toner different with generation wavelength, the identical light of brightness, and the lamp bead realization is being sent out
While the light of different-colour, realize that the corresponding brightness of light of different-colour is identical so that under various image effect patterns all
Same or similar brightness is obtained, has ensured that display image all has high display quality in various image effect patterns.
Description of the drawings
Fig. 1 is the structure diagram of backlight assembly of the embodiment of the present invention；
Fig. 2 is the structure diagram of display device of the embodiment of the present invention；
Fig. 3 is the flow diagram of the control method of display device of the present invention；
Fig. 4 is the flow diagram further refined of step S20 in Fig. 3.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not the present invention claims protection domain within.
In order to improve the brightness different problems under the corresponding colour temperature of different images effect mode, the present invention provides foundations
Image display effect pattern quantity provides the optical technology of quantity Matching therewith.So that display image is in various image effect patterns
All there is high display quality.
With reference to Fig. 1, Fig. 1 is a kind of structure diagram of backlight assembly provided by the invention.Backlight group proposed by the present invention
Part is connect with control module, the backlight assembly is controlled to work by the control module.The backlight assembly includes multiple lamps
Pearl 100, the lamp bead 100 include it is multiple can independent control illuminator, the illuminator connect with the control module；It is described
Lamp bead 100 further includes the toner (being not marked in figure) for the light emission side for being arranged on the illuminator, the hair in same lamp bead 100
Body of light issues the wavelength of light difference and the brightness difference that the light extraction excitation toner generates in the control of the control module.
The illuminator is the wafer 10 that shines, in the present invention, N kind state colour temperatures of ontology definition according to the display device, if
Put it is N number of it is described can independent control luminous wafer 10, luminous wafer 10 in each lamp bead 100 respectively with the control mould
Block connects, and is individually controlled by the control module.Specifically, all luminous wafers 10 in the lamp bead 100 are individually controlled
In the control module, excite corresponding toner identical to generate brightness according to the corresponding luminous wafer 10 of colour temperature demand control
Light realizes that the corresponding maximum brightness of different-colour is identical, and then makes all to live same or similar under various image effect patterns
Brightness has ensured that display image is no with high display quality in various image models.
As in the present embodiment, backlight assembly is placed with M lamp bead 100, and the quantity of M and distribution determine the display device
Optics samples specification requirement.Three luminous wafer N1 are corresponded to respectively comprising three kinds of color temperature modes (N=3) in each lamp bead 100,
N2,N3.Three luminous wafer N1 in lamp bead 100, N2, N3 are by the general management-control method of LED industry by 100 manufacturer of lamp bead
Bincode classification management and control mode carries out management and control.Bincode has mainly distinguished color and brightness, and the quantizating index of color is pair
Answer the wavelength of color of light.That is, similary color causes wafer to swash since the wafer 10 that shines is formed with the difference of toner ratio
Color development powder generates optical wavelength and has differences.This difference can carry out Classification Management by Bincode management-control methods.Realize three kinds
Under color temperature mode there is equal maximum brightness, need to select the lamp bead of the corresponding maximum brightness of each colour temperature by Bincode
100。
It is understood that multiple luminous wafers 10 are packaged in the toner in same lamp bead 100, wherein, institute
State the light emission side that toner is set to the luminous wafer 10.The illuminator in same lamp bead 100 sends out light and excites the color
The light that powder generates is realized there are many modes that wavelength is different and brightness is different, for example, different luminous wafers 10 can be set to excite
Same toner while realizing that the lamp bead 100 sends out different-colour by the way that different luminous wafers 10 is controlled to shine, is produced
The brightness of the third contact of a total solar or lunar eclipse is identical；Alternatively, luminous wafer 10 of the same race can be set to excite different types of toner, pass through the luminous wafer 10 of control
The different toner of excitation that shines realizes that the lamp bead 100 sends out different-colour, and the color that the luminous wafer 10 is controlled to be excited
The amount of powder is identical, to realize that the maximum brightness of the light of different-colour that the lamp bead 100 is sent out is identical.
In the present invention implements technical solution, the backlight assembly includes multiple lamp beads 100, and the lamp bead 100 includes more
It is a can the illuminator of independent control and the toner for the light emission side for being arranged on the illuminator, the illuminator is individually controlled by institute
State control module, the light that the illuminator in same lamp bead 100 is sent out under the control of the control module excites the color
Powder is realized with generation wavelength difference, the identical light of brightness, the lamp bead 100 while the light for sending out different-colour, is realized not
With the light of colour temperature, corresponding brightness is identical so that same or similar brightness is all obtained under various image effect patterns, is ensured
Display image all has high display quality in various image effect patterns.
In order to realize that backlight assembly can send out the different light of same brightness colour temperature, realize that different images effect mode corresponds to
Colour temperature brightness it is identical so that user obtains same or similar brightness under various image effect patterns, has ensured aobvious
Diagram picture all has high display quality in various image effect patterns.Lamp bead 100 in the backlight assembly is by sending out difference
The light of wavelength excites same toner to realize that the corresponding brightness of different-colour is identical.
Specifically, the wavelength for the light that the luminous wafer 10 in same lamp bead 100 is sent out is different, the luminous wafer
The colour temperature of 10 light emission side setting is identical.Namely same lamp bead 100 in equipped with it is multiple can independent control luminous wafer 10,
In, the type of the luminous wafer 10 in same lamp bead 100 is different, and the wavelength for the light that the luminous wafer 10 is sent out is different, specifically
It colour temperature state defined in ontology can set according to the display device.The light emission side of the luminous wafer 10 is provided with toner, different
The 10 corresponding toner of luminous wafer of type is same toner, in this way, the light in different wave length excites the toner of the same race respectively
When, the identical different spectrum of brightness are generated, realize that the corresponding maximum brightness of different-colour is identical.
The characteristics of the present embodiment, is that each lamp bead 100 shines respectively comprising N number of the independently-controlled luminous luminous wafer 10
And the same toner in same encapsulation is excited to generate different spectrum, the image effect that the quantity of the N is equipped with the display device
Color temperature mode quantity corresponds to.Image effect color temperature mode there are three types of such as, being defined in display device body, respectively warm colour temperature,
Standard color temperature and cool colour temperature, for tool there are three types of different luminous wafer N1, N2 and N3, three kinds different described in the lamp bead 100
The wafer 10 that shines sends out the light of three kinds of different wave lengths respectively, wherein the light that the wafer N1 that shines excites the toner to send out corresponds to one kind
Color temperature mode, citing are defined as warm colour temperature, and the light that the wafer that shines 10N2 excites the toner to send out corresponds to a kind of color temperature mode, lifts
Example is defined as standard color temperature；The light that the wafer that shines 10N3 excites the toner to send out corresponds to a kind of color temperature mode, and citing is defined as
Cool colour temperature.
It is understood that the toner in same lamp bead 100 can be in each luminous wafer 10 in the present embodiment
Light emission side be respectively provided with, when the light emission side of each luminous wafer 10 is respectively provided with the toner, each luminous wafer
The quantity of the 10 corresponding toner of light emission side is identical, it is ensured that the light that the luminous wafer 10 is sent out generates bright when exciting the toner
Spend identical, the different light of colour temperature.Alternatively, the toner in same lamp bead 100 can also only be set in the light emission side of the lamp bead 100
It puts namely light that each luminous wafer 10 is sent out excites same toner in the light emission side of the lamp bead 100, in this way, phase
Corresponding former mode is not required to the quantity of control toner, is further ensured that the light that the luminous wafer 10 is sent out excites the color
The identical colour temperature of brightness of the light generated during powder is different.
Further, the backlight assembly includes multiple lamp beads 100, the phase co-wavelength sent out between the lamp bead 100
The luminous wafer 10 of light it is connected in series or in parallel with formed it is multiple can independent control lamp bead string.Ontology definition according to the display device
N kind state colour temperatures, be provided with N number of luminous wafer 10 in each lamp bead 100, N number of luminous wafer 10 is independent to shine,
A close colour temperatures of lamp bead 100 and other M with same structure that N number of luminous wafer 10 is formed, brightness it is the independently-controlled
The lamp bead 100 that luminous luminous wafer 10 is formed physically forms serial or parallel connection relationship, several lamp bead strings can be controlled independently
System connection forms the backlight assembly, wherein, N kind colour temperatures correspond to N kind lamp bead strings.
As in the present embodiment, backlight assembly is placed with M lamp bead 100, wherein, N1, M2 lamp bead in M1 lamp beads 100
N1 serial or parallel connections in N1 and M3 lamp beads 100 in 100 form lamp bead string S1, and lamp bead string S corresponds to one of which colour temperature mould
Formula, citing are defined as warm colour temperature；In N2 the and M3 lamp beads 100 in N2, M2 lamp bead 100 in M1 lamp beads 100 N2 series connection or
Parallel connection forms lamp bead string S2, and lamp bead string S2 corresponds to one of which color temperature mode, and citing is defined as standard color temperature；In M1 lamp beads 100
N3, M2 lamp bead 100 in N3 and M3 lamp beads 100 in N3 serial or parallel connections form lamp bead string S3, lamp bead string S3 corresponds to it
A kind of middle color temperature mode, citing are defined as cool colour temperature.Described lamp bead string S1, S2 and S3 can independent control connect, form the back of the body
Optical assembly.
Alternatively, in order to realize that backlight assembly can send out the different light of same brightness colour temperature, different images effect mould is realized
The brightness of the corresponding colour temperature of formula is identical so that user obtains same or similar brightness under various image effect patterns, protects
Hindered display image all has high display quality in various image effect patterns.Also propose another implementation of the backlight assembly
, the lamp bead 100 in the backlight assembly can also be excited not of the same race by setting the luminous wafer 10 of multiple same types
The toner of class to send out the light that wavelength is different, brightness is identical, wherein, the quantity of different types of toner is identical.
Specifically, the wavelength of light that the luminous wafer 10 in same lamp bead 100 is sent out is identical, the luminous wafer
The toner of 10 light emission side setting is different, and the quantity of toner that each luminous wafer 10 corresponds to excitation is identical.
In same lamp bead 100 equipped with it is multiple can independent control luminous wafer 10, wherein, shining in same lamp bead 100
The wavelength of light that the type of wafer 10 is identical namely the luminous wafer 10 is sent out is identical, and obtains different-colour and pass through to shine
The light that wafer 10 is sent out excites different toners to obtain.For example, according to the display device there are three types of colour temperature states defined in ontology, point
Not Wei warm colour temperature, standard color temperature and during cool colour temperature, there are three the luminous wafer 10, each hairs for tool in the lamp bead 100
The light emission side of light wafer 10 is corresponding with a kind of toner, and the corresponding toner of three luminous 10 light emission sides of wafer is different, and three kinds are not
It is identical with the corresponding quantity of toner, in this way, the light that the luminous wafer 10 is sent out excites three kinds of different toners to obtain respectively
The corresponding light of three kinds of colour temperatures, wherein, the quantity by setting three kinds of toners is identical, in the light that the luminous wafer 10 is sent out
Respectively during the toner of three kinds of equivalent of excitation, the corresponding light for waiting brightness of three kinds of colour temperature states is obtained, realizes that different-colour is corresponding
Maximum brightness is identical, ensures that the light that the luminous wafer 10 is sent out excites the identical colour temperature of the brightness of light generated during the toner not
Together.
In this embodiment, the backlight assembly is described other than the internal structure of lamp bead 100 is unlike the embodiments above
The connection of the luminous wafer 10 in connection and lamp bead 100 between lamp bead 100 and lamp bead 100 is identical namely the backlight group
Part includes multiple lamp beads 100, and the luminous wafer 10 that toner of the same race is excited between the lamp bead 100 is connected in series or in parallel with formation
It is multiple can independent control lamp bead string.For example, N kind state colour temperatures of ontology definition according to the display device, each lamp bead 100
N number of luminous wafer 10 is inside provided with, N number of luminous wafer 10 is independent to shine, the light emission side setting of N number of luminous wafer 10
The lamp bead 100 that N kind equivalent toners, N number of luminous wafer 10 and N kinds toner are formed is sung with other M with same structure
The lamp bead 100 that close colour temperature, the independently-controlled luminous wafer 10 of brightness are formed physically forms serial or parallel connection relationship, if
Dry lamp bead string can independent control connect to form the backlight assembly, wherein, N kind colour temperatures correspond to N kind lamp bead strings.
In addition, to achieve these goals, the present invention also proposes a kind of backlight module, the backlight module drives including backlight
Dynamic model and backlight assembly as described above, the lamp bead string of the backlight assembly is connect respectively with the backlight drive mould, described
Backlight drive mould respectively drives the lamp bead string and sends out the light that brightness is identical, wavelength is different.
Wherein, the backlight drive mold has multiple driving units, and each driving unit connects the lamp bead string, uses
In respectively driving multiple lamp bead strings.In the present embodiment, the light that each lamp bead string of the backlight module is sent out corresponds to one
Kind color temperature mode, shines thus by lamp bead string described in independent control, realizes the adjusting of the backlight assembly colour temperature.Wherein, institute
It states the light that the illuminator in the same lamp bead 100 in lamp bead string is sent out under the control of the control module and excites the color
Powder is realized with generation wavelength difference, the identical light of brightness, the lamp bead 100 while the light for sending out different-colour, is realized not
With the light of colour temperature, corresponding brightness is identical so that same or similar brightness is all obtained under various image effect patterns, is ensured
Display image all has high display quality in various image effect patterns.
In order to realize that image quality of the display device under each image effect pattern is consistent and image quality is high, with reference to figure
2, the present invention also proposes a kind of display device, and the display device includes control module 300 and backlight module as described above,
The control module 300 is connect with the backlight drive module 200 of the backlight module, and the backlight drive module 200 is described
The lamp bead string is respectively driven under the control of control module 300 and sends out the light that brightness is identical, wavelength is different.
Control module 300 in the present embodiment is MCU, is the control centre of system of the present invention, current according to system
The color temperature mode being defined, MCU send corresponding control instruction to backlight drive module 200, with drive corresponding lamp bead 100 or
Lamp bead string shines.
Backlight drive module 200 receives MCU instructions and according to MCU instructions to backlight module for driving backlight module
Lamp bead string carries out the control of Push And Release.
With reference to shown in Fig. 2, the display device images display effect of illustrating is set there are three types of color temperature mode (N=3).It is described right
The luminous wafer 10 of identical colour temperature is answered to be in series or in parallel to form lamp bead string, the N1 in N1, M2 lamp bead 100 in M1 lamp beads 100 with
And the N1 in M3 lamp beads 100 forms lamp bead string S1；In N2 the and M3 lamp beads 100 in N2, M2 lamp bead 100 in M1 lamp beads 100
N2 form lamp bead string S2；N3 in N3 the and M3 lamp beads 100 in N3, M2 lamp bead 100 in M1 lamp beads 100 forms lamp bead string
S3.Lamp bead string S1, S2, S3 that different-colour is formed form independent control unit, are controlled respectively with the independence of backlight drive module 200
Interface connection processed.
S1, S2, S3 are controlled by backlight drive module 200, and backlight drive mould receives MCU instructions, and MCU is defined according to system
Color temperature mode corresponding control instruction is sent to backlight drive module 200：
Active user is set as warm colour temperature, and MCU recognizes information-setting by user, and then MCU is sent out to backlight drive module 200
Go out instruction, control lamp bead string S1 is bright, and S2, S3 do not work；
Active user is set as standard color temperature, and MCU recognizes information-setting by user, and then MCU is to backlight drive module 200
Instruction is sent out, control lamp bead string S2 is bright, and S1, S3 do not work；
Active user is set as cool colour temperature, and MCU recognizes information-setting by user, and then MCU is sent out to backlight drive module 200
Go out instruction, control lamp bead string S3 is bright, and S1, S2 do not work.
With reference to Fig. 3, based on the improvement of above-mentioned display device, the present invention also provides a kind of control methods of display device, lead to
The display and switching that the illuminator in the display device is controlled to realize different images pattern respectively are crossed, the display device
Control method includes the following steps：
Step S10 when receiving colour temperature regulating command, obtains the corresponding target colour temperature of the colour temperature regulating command；
The colour temperature regulating command can be the colour temperature regulating command that user is inputted by remote control equipment or display panel, obtain
Take the colour temperature regulating command that can also include colour temperature switching command.Multiple target colour temperatures are preset in display device, and are built
The target colour temperature and the mapping relations of the colour temperature regulating command are found, when receiving the colour temperature regulating command, passes through institute
The mapping relations of colour temperature regulating command and the target colour temperature are stated, directly acquire the corresponding aim colour of the colour temperature regulating command
Temperature.
Alternatively, preset color temperature parameter, establishes the mapping relations of the colour temperature regulating command and the color temperature parameters, is receiving
To the corresponding color temperature parameters of the colour temperature regulating command during colour temperature regulating command, are obtained, target is determined according to the color temperature parameters
Colour temperature.
Step S20, according to aim colour temperature control system light corresponding with the target colour temperature.
The target colour temperature needs the color temperature mode that adjusts for display device images display effect is corresponding, in the present embodiment
Toner is excited to form same brightness by the way that different illuminators is controlled to send out light, the light of different wave length is realized under different-colour pattern,
Corresponding image has high-quality display effect.
Each the combination of the corresponding illuminator of the target colour temperature or illuminator is different, is getting the target colour temperature
When, according to the target colour temperature and the mapping relations of illuminator, opposite light is controlled, so that display device was shown
Image effect is the corresponding display effect of the colour temperature regulating command.
Specifically, the execution terminal in the present embodiment can be display device, or for display device to be controlled to show
The controller shown.When being exemplified below the execution terminal as display device, the control process of the display device：
The display device images display effect is preset there are three types of color temperature mode (N=3).The hair of the identical colour temperature of the correspondence
Light wafer 10 is in series or in parallel to form lamp bead string, in N1 the and M3 lamp beads 100 in N1, M2 lamp bead 100 in M1 lamp beads 100
N1 forms lamp bead string S1；N2 in N2 the and M3 lamp beads 100 in N2, M2 lamp bead 100 in M1 lamp beads 100 forms lamp bead string
S2；N3 in N3 the and M3 lamp beads 100 in N3, M2 lamp bead 100 in M1 lamp beads 100 forms lamp bead string S3.Different-colour structure
Into lamp bead string S1, S2, S3 form independent control unit, connect respectively with the independent control interface of backlight drive module 200.
S1, S2, S3 are controlled by backlight drive module 200, and backlight drive mould receives MCU instructions, and MCU is defined according to system
Color temperature mode corresponding control instruction is sent to backlight drive module 200：
When the colour temperature regulating command received is warm colour temperature regulating command, MCU obtains warm colour temperature regulating command correspondence
Target colour temperature for warm colour temperature, and then the instruction for opening the corresponding lamp bead 100 of warm colour temperature is sent out to backlight drive module 200, controlled
N1 lamp beads 100 processed shine.
Likewise, when the colour temperature regulating command received is standard color temperature, MCU obtains warm colour temperature regulating command correspondence
Target colour temperature for standard color temperature, and then the finger for opening the corresponding lamp bead 100 of standard color temperature is sent out to backlight drive module 200
It enables, control N2 lamp beads 100 shine.
When being cool colour temperature when the colour temperature regulating command received, MCU obtains the corresponding aim colour of warm colour temperature regulating command
Temperature is cool colour temperature, and then the instruction for opening the corresponding lamp bead 100 of cool colour temperature is sent out to backlight drive module 200, controls N3 lamp beads
100 shine.
In the present embodiment, by when receiving colour temperature regulating command, obtaining the corresponding mesh of the colour temperature regulating command
Mark colour temperature；According to aim colour temperature control system light corresponding with the target colour temperature, and what the illuminator was sent out
Light excites the maximum brightness of light generated during toner identical with the maximum brightness of the light of other color temperature modes, and wavelength and colour temperature tune
The wavelength of the light of the corresponding colour temperature of section instruction is identical, has ensured that display image all has high display product in various image effect patterns
Matter.
Further, with reference to Fig. 4, the second embodiment of the control method of display device provided by the invention, based on above-mentioned
The step of embodiment shown in Fig. 3, the light corresponding with the target colour temperature according to the aim colour temperature control system
Including：
Step S21 obtains lamp bead string corresponding with the target colour temperature according to the target colour temperature；
Step S22 controls the light in the lamp bead string.
In order to simplify the control of backlight module lamp bead, the lamp for waiting the identical colour temperature of brightness is sent out between the multiple lamp beads of setting
Pearl is connected in series or in parallel, multiple lamp bead strings can independent control be connected to the backlight drive module, therefore the backlight is driven
Dynamic model block is by controlling lamp bead string to realize the control to the lamp bead in the lamp bead string.
The colour temperature state of ontology definition according to the display device establishes the mapping relations of target colour temperature and lamp bead string, controls mould
Block obtains corresponding lamp bead string when getting target colour temperature, according to the target colour temperature, and then sends instruction and control the back of the body
Light in lamp bead string described in optical drive module drive.
In the present embodiment, lamp bead string corresponding with the target colour temperature is obtained according to the target colour temperature, then controlled
Light in the lamp bead string, simplifies the control of lamp bead.
In addition, the embodiment of the present invention can also propose a kind of computer readable storage medium, the computer-readable storage
The control program of display device is stored on medium, following behaviour is realized when the control program of the display device is executed by processor
Make：
When receiving colour temperature regulating command, the corresponding target colour temperature of the colour temperature regulating command is obtained；
According to aim colour temperature control system light corresponding with the target colour temperature.
Further, following operation is also realized when the control program of the display device is executed by processor：
Colour temperature is broken according to the target and obtains lamp bead string corresponding with the target colour temperature；
Control the light in the lamp bead string.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or system institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of backlight assembly, the backlight assembly is connect with control module, which is characterized in that the backlight assembly includes multiple
Lamp bead, the lamp bead include it is multiple can independent control illuminator, the illuminator connect with the control module；The lamp bead
Further include the toner for the light emission side for being arranged on the illuminator, the illuminator in same lamp bead is in the control of the control module
System issues the wavelength of the light difference that the light extraction excitation toner generates and brightness is identical.
2. backlight assembly as described in claim 1, which is characterized in that the illuminator is the wafer that shines.
3. backlight assembly as claimed in claim 2, which is characterized in that the light that the luminous wafer in same lamp bead is sent out
Wavelength is different, and the toner of the light emission side setting of the luminous wafer is identical.
4. backlight assembly as claimed in claim 3, which is characterized in that shining for the light of phase co-wavelength is sent out between the lamp bead
Wafer it is connected in series or in parallel with formed it is multiple can independent control lamp bead string.
5. backlight assembly as claimed in claim 2, which is characterized in that the light that the luminous wafer in same lamp bead is sent out
Wavelength is identical, and the toner of the light emission side setting of the luminous wafer is different, and each luminous wafer corresponds to the toner of excitation
Quantity it is identical.
6. backlight assembly as claimed in claim 5, which is characterized in that the luminous wafer of toner of the same race is excited between the lamp bead
It is connected in series or in parallel with formed it is multiple can independent control lamp bead string.
7. a kind of backlight module, which is characterized in that the backlight module includes backlight drive module and such as claim 1 to 6
Backlight assembly described in any one, the lamp bead string of the backlight assembly are connect respectively with the backlight drive module, the back of the body
Optical drive module respectively drives the lamp bead string and sends out the light that brightness is identical, wavelength is different.
8. a kind of display device, which is characterized in that the display device includes control module and the back of the body as claimed in claim 7
Optical mode group, the control module are connect with the backlight drive module of the backlight module, and the backlight drive module is in the control
The lamp bead string is respectively driven under the control of molding block and sends out the light that brightness is identical, wavelength is different.
9. a kind of control method of display device, which is characterized in that the control method of the display device includes the following steps：
When receiving colour temperature regulating command, the corresponding target colour temperature of the colour temperature regulating command is obtained；
According to aim colour temperature control system light corresponding with the target colour temperature.
10. the control method of display device as claimed in claim 9, which is characterized in that described according to the aim colour temperature control
The step of making light corresponding with the target colour temperature includes：
Lamp bead string corresponding with the target colour temperature is obtained according to the target colour temperature；
Control the light in the lamp bead string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711498741.7A CN108154852A (en) | 2017-12-29 | 2017-12-29 | Backlight assembly, backlight module, display device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711498741.7A CN108154852A (en) | 2017-12-29 | 2017-12-29 | Backlight assembly, backlight module, display device and its control method |
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| CN108154852A true CN108154852A (en) | 2018-06-12 |
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| CN201711498741.7A Pending CN108154852A (en) | 2017-12-29 | 2017-12-29 | Backlight assembly, backlight module, display device and its control method |
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Application publication date: 20180612 |