CN109166536A - Brightness adjusting method, brightness control system and the display system of display system - Google Patents
Brightness adjusting method, brightness control system and the display system of display system Download PDFInfo
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- CN109166536A CN109166536A CN201811320830.7A CN201811320830A CN109166536A CN 109166536 A CN109166536 A CN 109166536A CN 201811320830 A CN201811320830 A CN 201811320830A CN 109166536 A CN109166536 A CN 109166536A
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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
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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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of brightness adjusting methods of display system, for adjusting the brightness of display panel transmitted through glasses, display panel is lighted by backlight module, and glasses include the first eyeglass and the second eyeglass, display panel includes multiple blocks, and backlight module includes a plurality of light-emitting elements；The brightness adjusting method of display system is the following steps are included: be written display panel for the first driving signal；It controls the first eyeglass and backlight module while opening, a plurality of light-emitting elements of backlight module are successively opened, and the light-emitting component of first unlatching of the first eyeglass and backlight module is opened simultaneously；Adjust the first driving current of each light-emitting component；Display panel is written into second driving signal；It controls the second eyeglass and backlight module while opening, a plurality of light-emitting elements of backlight module are successively opened, and the light-emitting component of first unlatching of the second eyeglass and backlight module is opened simultaneously；Adjust the second driving current of each light-emitting component.
Description
Technical field
The present invention relates to technical field of liquid crystal display, in particular to a kind of brightness adjusting method of display system, brightness tune
Section system and display system.
Background technique
The brightness that liquid crystal display panel is shown by backlight module, signal drive module and glasses drive module mutual cooperation control
System.Backlight module is made of multiple light-emitting components by certain way arrangement, and light-emitting component is used to light the block of liquid crystal display panel,
Since light-emitting component is there are the difference of manufacturing process, the backlight average brightness of each block of liquid crystal display panel is different；Liquid crystal surface
Plate and liquid crystal glasses are required to driving and reach the regular hour that stable penetrance could be exported due to the physical characteristic of liquid crystal；
If the unlatching of liquid crystal glasses is synchronized with the write-in of liquid crystal display panel driving signal and the unlatching of backlight module, liquid crystal glasses are penetrated
The collective effect of rate response, the penetrance response of liquid crystal display panel and the backlight average brightness of each block of liquid crystal display panel makes liquid crystal
The penetrance response of the corresponding liquid crystal glasses of each block of panel, the penetrance response of liquid crystal display panel and each block of liquid crystal display panel
Backlight average brightness product it is unequal, so as to cause each block of liquid crystal display panel penetrate liquid crystal glasses brightness irregularities.
Summary of the invention
Based on this, it is necessary to for the penetrance response of liquid crystal glasses, the penetrance response of liquid crystal display panel and liquid crystal display panel
The collective effect of the backlight average brightness of each block rings the penetrance of the corresponding liquid crystal glasses of each block of liquid crystal display panel
Answer, the penetrance of liquid crystal display panel response it is unequal with the product of the backlight average brightness of each block of liquid crystal display panel, so as to cause
The each block of liquid crystal display panel penetrates the problem of brightness irregularities of liquid crystal glasses, provides a kind of brightness regulation side of display system
Method, brightness control system and display system.
A kind of brightness adjusting method of display system, for adjusting the brightness of display panel transmitted through glasses, the display surface
Plate is lighted by backlight module, and the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, described
Backlight module includes a plurality of light-emitting elements；The brightness adjusting method of the display system the following steps are included:
Display panel is written into first driving signal；
It controlling the first eyeglass and backlight module while opening, wherein a plurality of light-emitting elements of backlight module are successively opened, the
The light-emitting component of first unlatching of one eyeglass and backlight module is opened simultaneously；
Adjust the first driving current of each light-emitting component；
Display panel is written into second driving signal；
It controlling the second eyeglass and backlight module while opening, wherein a plurality of light-emitting elements of backlight module are successively opened, the
The light-emitting component of first unlatching of two eyeglasses and backlight module is opened simultaneously；
Adjust the second driving current of each light-emitting component.
In one of the embodiments, after the first driving current step for adjusting each light-emitting component further include:
According to the backlight average brightness of each block, the opening sequence of corresponding light-emitting component is controlled；
After the second driving current step for adjusting each light-emitting component further include:
According to the backlight average brightness of each block, the opening sequence of corresponding light-emitting component is controlled.
In one of the embodiments, it is described by the first driving signal write-in display panel step before comprising steps of
Display panel is written into first driving signal, each light-emitting component for controlling backlight module is successively opened；
Detect the backlight average brightness of each block；
The backlight average brightness of each block is ranked up.
A kind of brightness control system, for adjusting the brightness of display panel transmitted through glasses, the display panel is by backlight mould
Block is lighted, and the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, the backlight module packet
Include a plurality of light-emitting elements,
The brightness control system includes signal drive module, glasses drive module and control module；
The signal drive module is used to the first driving signal display panel is written；The glasses drive module is for controlling
Make the unlatching of the first eyeglass；The control module is for controlling backlight module unlatching；The control module is also used to through the eye
Mirror drive module controls the first eyeglass and backlight module is opened simultaneously；
Wherein, a plurality of light-emitting elements of backlight module are successively opened, first unlatching of the first eyeglass and backlight module
Light-emitting component is opened simultaneously；
The control module is also used to adjust the first driving current of each light-emitting component；
The signal drive module is also used to the second driving signal display panel is written；The glasses drive module is used for
Control the unlatching of the second eyeglass；The control module is also used to control the second eyeglass and backlight module by the glasses drive module
It opens simultaneously；
Wherein, a plurality of light-emitting elements of backlight module are successively opened, first unlatching of the second eyeglass and backlight module
Light-emitting component is opened simultaneously；
The control module is also used to adjust the second driving current of each light-emitting component.
The control module is also used to the backlight average brightness according to each block in one of the embodiments, control
The opening sequence of corresponding light-emitting component.
It in one of the embodiments, further include brightness detector；The brightness detector is used to drive when the signal
Display panel is written in first driving signal by module, and each light-emitting component of the control module control backlight module is successively opened
When, it detects the backlight average brightness of each block and is transmitted to the control module；The control module is also used to each area
The backlight average brightness of block is ranked up.
The multiple light-emitting component forms backlight in one of the embodiments, and the backlight is unilateral side entering type
Light source, the quantity of the light-emitting component be it is N number of, the block and the light-emitting component correspond, and each light-emitting component is used for
Light a corresponding block.
The multiple light-emitting component forms backlight in one of the embodiments, and the backlight is bilateral side entering type
Light source, the quantity of the light-emitting component are 2N, and every two light-emitting component is corresponding with a block, and every two light-emitting component is lighted
A corresponding block.
The multiple light-emitting component forms backlight in one of the embodiments, and the backlight is directly-down light source,
The quantity of the light-emitting component is N*M and in the matrix arrangement of N row, M column, the M light-emitting component of every a line and a block
Corresponding, the M light-emitting component of every a line lights a corresponding block.
A kind of display system, the display system include display panel and above-mentioned brightness control system.
Brightness adjusting method, brightness control system and the display system of above-mentioned display system, in the backlight module
Under the premise of a plurality of light-emitting elements are successively opened, by the way that display panel first is written in driving signal, then the first eyeglass and back are controlled
Optical module is opened simultaneously, and display panel response, which reaches, stablizes and tend to equal penetrance, and each block of display panel is worn
The product of saturating rate, the penetrance of the corresponding glasses of each block and the backlight average brightness of each block of display panel tends to phase
Deng；Again by adjusting the driving current of each light-emitting component, and then the backlight average brightness of each block of display panel is adjusted,
So that each block of the penetrance of each block of display panel, the penetrance of the corresponding glasses of each block and display panel
Backlight average brightness product it is equal so that the brightness uniformity of each block transmitted through glasses of display panel.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the brightness adjusting method of display system in one embodiment；
Fig. 2 is the corresponding diagram of unilateral side entering type light source and block in one embodiment；
Fig. 3 is the corresponding diagram of bilateral side entering type light source and block in one embodiment；
Fig. 4 is the corresponding diagram of directly-down light source and block in one embodiment；
Fig. 5 is display panel penetrance, glasses penetrance and backlight illumination in one embodiment in a display cycle
Timing diagram；
Fig. 6 is display panel penetrance, glasses penetrance and backlight illumination in another embodiment in a display cycle
In timing diagram；
Fig. 7 is display panel penetrance, glasses penetrance and backlight illumination in another embodiment in a display cycle
In timing diagram；
Fig. 8 is display panel penetrance, glasses penetrance and backlight illumination in another embodiment in a display cycle
In timing diagram；
Fig. 9 is display panel penetrance, glasses penetrance and backlight illumination in another embodiment in a display cycle
In timing diagram；
Figure 10 is the flow chart of the brightness adjusting method of display system in another embodiment；
Figure 11 is the functional block diagram of brightness control system in one embodiment.
Specific embodiment
Referring to Fig. 1, it is the flow chart of the brightness adjusting method for the display system that the application preferred embodiment provides.Institute
It should be noted that the present processes are not limited to the sequence of following step, and in other embodiments, the present processes can
It can be deleted with only including a portion or the part steps therein of following steps.In addition, in other embodiments
In, a step can be split as multiple steps or multiple steps also can be merged into a step.
The brightness adjusting method of the display system is used to adjust the brightness of display panel transmitted through glasses, the display panel
It is lighted by backlight module, the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, the back
Optical module includes a plurality of light-emitting elements, and the multiple light-emitting component forms backlight.The brightness adjusting method of the display system
The following steps are included:
Display panel is written in first driving signal by step S1.
In a display cycle, driving signal includes the first driving signal and the second driving signal.The backlight can
To be side entering type light source or directly-down light source.The side entering type light source includes unilateral side entering type light source and bilateral side entering type light source.
Each light-emitting component of the control module control backlight module is successively opened.
In one embodiment, the glasses are 3D liquid crystal glasses, and the display panel is 3D liquid crystal display panel.
As shown in Fig. 2, in one embodiment, the side entering type light source is unilateral side entering type light source, the light-emitting component
For LED and quantity is N number of, the block and LED one-to-one correspondence, and each LED, which is used to light, corresponds to a block, e.g.,
LED1 lights block BL1, and LED2 lights block BL2 ..., LEDN and lights block BLN.
As shown in figure 3, in one embodiment, the side entering type light source is bilateral side entering type light source, the light-emitting component
For LED and quantity is 2N, and every two LED is corresponding with a block, and every two LED lights a corresponding block, e.g., LED1A
And LED1B lights block BL1, LED2A and LED2B light block BL2 ..., LEDNA and LEDNB and light block BLN.
The light-emitting component quantity that side entering type light source uses is few, is conducive to product and mitigates weight.
As shown in figure 4, in one embodiment, the backlight is directly-down light source.The number of the multiple light-emitting component
Amount is N*M and is in the matrix arrangement of N row, M column, and the M LED of every a line is corresponding with a block, the M LED point of every a line
One block of bright correspondence, the light-emitting component are LED.LED1A, LED1B ..., LED1M form the first row LED backlight unit
LED1；LED2A, LED2B ..., LED2M form the second row LED backlight unit LED2；..., LEDNA, LEDNB ..., LEDNM group
At Nth row LED backlight unit LEDN.Every row LED backlight unit is for lighting a corresponding block, and e.g., LED1 lights block
BL1, LED2 light block BL2 ..., LEDN and light block BLN.
Directly-down light source can make the brightness of each block of display panel more evenly.
The light-emitting component can also be CCFL (Cold Cathode Fluorescent Lamp, cold-cathode fluorescence lamp
Pipe).
Step S2, controls the first eyeglass and backlight module is opened simultaneously, wherein a plurality of light-emitting elements of backlight module are successively
It opens, the light-emitting component of first unlatching of the first eyeglass and backlight module is opened simultaneously.
The each block of display panel is through the penetrance that the brightness of liquid crystal glasses is display panel, the penetrance of glasses and shows
Show the product of the backlight average brightness of panel.The backlight average brightness of display panel lights being averaged for the backlight of display panel
Brightness, the brightness that brightness, that is, display panel of display panel is shown.Display panel and glasses due to liquid crystal response physical characteristic,
Display panel and glasses are required to driving and reach that the regular hour could export stable penetrance and display panel reaches stable
Penetrance output time and glasses reach the Time Inconsistency of stable penetrance output, if display surface is written in driving signal
The unlatching of plate and glasses is synchronized with the unlatching of backlight module, then the penetrance of each block of display panel, glasses can be made corresponding
It is had differences in the product of the backlight average brightness of each block of the penetrance and display panel of each block.Therefore, can by pair
Driving signal be written display panel, glasses unlatching and backlight module unlatching sequence adjustment so that display panel is each
The penetrance of block tends to be equal, so that the penetrance of each block of display panel, the corresponding glasses of each block
Penetrance tends to be equal with the product of the backlight average brightness of each block of display panel, so that each area of display panel
Block tends to be uniform through the brightness of liquid crystal glasses.The backlight average brightness of each block is the light-emitting component for corresponding to each block
Average brightness.Penetrance, that is, corresponding glasses of the corresponding light-emitting component of each block of the corresponding glasses of each block penetrate
Rate.
The application is under the premise of a plurality of light-emitting elements of the backlight module are successively opened, by first writing driving signal
Enter display panel, then control the first eyeglass and backlight module while opening, display panel has time enough response to reach stable
And tend to equal penetrance, at this point, the penetrance of the penetrance of each block of display panel, the corresponding glasses of each block
Tend to be equal with the product of the backlight average brightness of each block of display panel.
Step S3 adjusts the first driving current of each light-emitting component.
First driving current is each light-emitting component in a display cycle of display panel, corresponds to first and drives
The driving current that dynamic signal write-in and the first eyeglass are opened.The driving current is for driving the light-emitting component to shine.
The application also passes through the driving current for adjusting each light-emitting component, and then adjusts the back of each block of display panel
Light average brightness, so that the penetrance and display surface of the penetrance of each block of display panel, the corresponding glasses of each block
The product of the backlight average brightness of each block of plate is equal, so that each block of display panel is through the bright of liquid crystal glasses
Degree tends to be uniform.
It should be noted that display panel is written in the first driving signal, each in a display cycle of display panel
The opening time of light-emitting component closes after reaching preset time.
Step S4 controls the opening sequence of corresponding light-emitting component according to the backlight average brightness of each block.
In the initial stage that glasses are opened, the penetrance of glasses is smaller, with the increase of opening time, the penetrance of glasses
It gradually increases and tends towards stability.
In one embodiment, control each light-emitting component of backlight module by its corresponding block backlight average brightness from
High to Low sequence is successively opened.
The application also first opens the corresponding hair of the highest block of average brightness by the penetrance lesser stage in glasses
Optical element, and being gradually increased in the penetrance of glasses to stable process, by corresponding block backlight average brightness from height to
Low sequence successively opens remaining light-emitting component, so that the penetrance of each block of display panel, glasses correspond to respectively
The penetrance of block is equal with the product of backlight average brightness of each block of display panel, so that each area of display panel
Block penetrates the brightness uniformity of liquid crystal glasses.
Display panel is written in second driving signal by step S5.
Step S6, controls the second eyeglass and backlight module is opened simultaneously, wherein a plurality of light-emitting elements of backlight module are successively
It opens, the light-emitting component of first unlatching of the second eyeglass and backlight module is opened simultaneously.
Step S7 adjusts the second driving current of each light-emitting component.
Second driving current is each light-emitting component in a display cycle of display panel, corresponds to second and drives
The driving current that dynamic signal write-in and the second eyeglass are opened.
It should be noted that display panel is written in the second driving signal, each in a display cycle of display panel
The opening time of light-emitting component closes after reaching preset time.
Step S8 controls the opening sequence of corresponding light-emitting component according to the backlight average brightness of each block.
In order to preferably show the present processes, specific description is done below with reference to Fig. 5 to Fig. 9.Referring to Fig. 5, every
The opening time of a light-emitting component is respectively t1, t2 ..., tN, i.e., the lighting time of corresponding each block is respectively t1,
T2 ..., tN, t1=t2 ...=tN=t, wherein t is preset time.Curve 1 is the first driving signal that display panel is written.
Curve 2 is the first glasses penetrance that the first eyeglass corresponds to each light-emitting component, and the first eyeglass corresponds to each light-emitting component
The first glasses penetrance be respectively L_T_1, L_T_2 ..., L_T_N." △ " of Fig. 5 first half display cycle is each block pair
It should be in the first panel penetrance of the opening time of each light-emitting component, when each block corresponds to the unlatching of each light-emitting component
Between first panel penetrance be respectively OC_TL_1, OC_TL_2 ..., OC_TL_N.
The rectangle of Fig. 5 first half display cycle represents the backlight average brightness of each block, and the average brightness of block BL1 is
BL_ave_1, the average brightness of block BL2 is BL_ave_2 ..., the average brightness of block BLN is BL_ave_N.Due to backlight
The manufacturing process of module has differences, and BL_ave_1 ≠ BL_ave_2 ≠ ... ≠ BL_ave_N.At this point, user passes through the first eyeglass
Brightness BL_ave_1*OC_TL_1*L_T_1 ≠ BL_ave_2*OC_TL_2*L_T_2 of each block for the display panel seen
≠ ... each block of ≠ BL_ave_N*OC_TL_N*L_T_N, i.e. display panel penetrates the brightness irregularities of the first eyeglass.
Curve 3 is the second driving signal that display panel is written.Curve 4 is that the second eyeglass corresponds to each light-emitting component
Secondary glasses penetrance, the secondary glasses penetrance that the second eyeglass corresponds to each light-emitting component is respectively R_T_1, R_T_
2 ..., R_T_N." △ " of Fig. 5 later half display cycle is the second of the opening time that each block corresponds to each light-emitting component
Panel penetrance, the second panel penetrance that each block corresponds to the opening time of each light-emitting component is respectively OC_TR_1,
OC_TR_2 ..., OC_TR_N.The later half display cycle rectangle of Fig. 5 represents the backlight average brightness of each block, block BL1's
Average brightness is BL_ave_1, and the average brightness of block BL2 is BL_ave_2 ..., the average brightness of block BLN is BL_ave_
N.Since the manufacturing process of backlight module has differences, BL_ave_1 ≠ BL_ave_2 ... .. ≠ BL_ave_N.At this point, user is logical
Cross brightness BL_ave_1*OC_TR_1*R_T_1 ≠ BL_ave_2*OC_ of each block for the display panel that the second eyeglass is seen
TR_2*R_T_2 ≠ ... each block of ≠ BL_ave_N*OC_TR_N*R_T_N, i.e. display panel penetrates the brightness of the second eyeglass not
Uniformly.
Fig. 6 to Fig. 7 is please referred to, by the way that display panel first is written in driving signal, then controls the first eyeglass and backlight module
It opens simultaneously, display panel has time enough response to reach stable and tends to equal penetrance, and adjusts each member that shines
The driving current of part, and then adjust the backlight average brightness of each block of display panel, in the first half display cycle, block BL1
Average brightness BL_ave_L1 ' is become from BL_ave_1, the average brightness of block BL2 becomes BL_ave_ from BL_ave_2
The average brightness of L2 ' ..., block BLN become BL_ave_LN ' from BL_ave_N.Each block corresponds to each light-emitting component
The first panel penetrance of opening time OC_TL_1 ', OC_TL_ are become by OC_TL_1, OC_TL_2 ..., OC_TL_N respectively
2 ' ..., OC_TL_N ', OC_TL_1 ' ≈ OC_TL_2 ' ... ≈ OC_TL_N '.First eyeglass corresponds to the of each light-emitting component
One glasses penetrance is respectively L_T_1, L_T_2 ..., L_T_N.At this point, the display panel that user is seen by the first eyeglass
Brightness BL_ave_L1 ' * OC_TL_1 ' * L_T_1 ≈ BL_ave_L2 ' * OC_TL_2 ' * L_T_2 ≈ ... the ≈ BL_ of each block
Ave_LN ' * OC_TL_N ' * L_T_N, the i.e. each block of display panel penetrate the brightness uniformity of the first eyeglass.
In the later half display cycle, the average brightness of block BL1 becomes BL_ave_R1 ' from BL_ave_1, and block BL2's is flat
Equal brightness becomes BL_ave_R from BL_ave_N from the average brightness that BL_ave_2 becomes BL_ave_R 2 ' ..., block BLN
N'.The secondary glasses penetrance that second eyeglass corresponds to each light-emitting component is respectively R_T_1, R_T_2 ..., R_T_N.Each
Block corresponds to the second panel penetrance of the opening time of each light-emitting component respectively by OC_TR_1, OC_TR_2 ..., OC_
TR_N becomes OC_TR_1 ', OC_TR_2 ' ..., OC_TR_N ', OC_TR_1 ' ≈ OC_TR_2 ' ... ≈ OC_TR_N '.At this point, with
Brightness BL_ave_R1 ' * OC_TR_1 ' the * R_T_1 ≈ BL_ of each block for the display panel that family is seen by the second eyeglass
2 ' * OC_TR_2 ' * R_T_2 ≈ ... ≈ BL_ave_R N ' * OC_TR_N ' * R_T_N of ave_R, the i.e. each block of display panel are saturating
The brightness for crossing the second eyeglass tends to be uniform.
Fig. 8 to Fig. 9 is please referred to, the application also first opens average brightness highest by the penetrance lesser stage in glasses
The corresponding light-emitting component of block, and be gradually increased in the penetrance of glasses to stable process, by the backlight of corresponding block
The sequence of average brightness from high to low successively opens remaining light-emitting component, as shown in figure 8, first opening the highest area of average brightness
The corresponding light-emitting component of block BL2 then opens the high corresponding light-emitting component of block BL1 of average brightness time ..., last unlatching
The minimum corresponding light-emitting component of block BLN of average brightness, so that each block for the display panel that user is seen by glasses
Brightness uniformity.
Referring to Fig. 10, being further comprised the steps of: before step S1
Display panel is written in first driving signal by step S01, and each light-emitting component for controlling backlight module is successively opened
It opens.
Step S02 detects the backlight average brightness of each block.
Step S03 is ranked up the backlight average brightness of each block.
Display panel is written into first driving signal, each light-emitting component for controlling backlight module is successively opened, and inspection is passed through
The backlight average brightness of each block is surveyed, is ranked up with the backlight average brightness to each block, and then obtains each block
Backlight average brightness sequence.
In conclusion the brightness adjusting method of the display system of the application, in a plurality of light-emitting elements of the backlight module
Under the premise of successively opening, by the way that display panel first is written in driving signal, then controls the first eyeglass and backlight module while opening
It opens, display panel response, which reaches, stablizes and tend to equal penetrance, the penetrance of each block of display panel, each block
The penetrance of corresponding glasses tends to be equal with the product of the backlight average brightness of each block of display panel；Pass through adjusting again
The driving current of each light-emitting component, and then the backlight average brightness of each block of display panel is adjusted, so that display panel
The penetrance of each block, the penetrance of the corresponding glasses of each block and display panel each block backlight it is average bright
The product of degree is equal, so that each block of display panel penetrates the brightness uniformity of liquid crystal glasses.In addition, the application also passes through
The corresponding light-emitting component of the highest block of average brightness, and penetrating in glasses are first opened in the penetrance of the glasses lesser stage
Rate is gradually increased to stable process, successively opens remaining by the backlight average brightness sequence from high to low of corresponding block
Light-emitting component, so that the penetrance of each block of display panel, glasses correspond to the penetrance and display panel of each block
Each block backlight average brightness product it is equal.
Below in conjunction with Figure 11, it is situated between in detail to the brightness adjusting method of display system provided by the embodiments of the present application
It continues.It should be noted that brightness control system shown in Figure 11, the method for executing the application embodiment illustrated in fig. 1, in order to
Convenient for explanation, part relevant to the embodiment of the present application is illustrated only, it is disclosed by specific technical details, please refer to the application figure
Embodiment shown in 1.
Figure 11 is please referred to, the brightness control system is used to adjust the brightness of display panel transmitted through glasses, the display surface
Plate is lighted by backlight module, and the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, described
Backlight module includes a plurality of light-emitting elements, and the multiple light-emitting component forms backlight.
The brightness control system includes signal drive module 10, glasses drive module 20 and control module 30.
The signal drive module 10 is used to the first driving signal display panel is written.The glasses drive module 20 is used
It is opened in controlling the first eyeglass；The control module 30 is for controlling backlight module unlatching.The control module 30 is also used to lead to
The glasses drive module 20 is crossed to control the first eyeglass and backlight module while opening.Wherein, multiple luminous members of backlight module
Part is successively opened, and the light-emitting component of first unlatching of the first eyeglass and backlight module is opened simultaneously.The control module 30 is also
For adjusting the first driving current of each light-emitting component.
The signal drive module 10 is also used to the second driving signal display panel is written.The glasses drive module 20
It is opened for controlling the second eyeglass.The control module 30 be also used to by the glasses drive module 20 control the second eyeglass and
Backlight module is opened simultaneously.Wherein, a plurality of light-emitting elements of backlight module are successively opened, and the first of the second eyeglass and backlight module
The light-emitting component of a unlatching is opened simultaneously.The control module 30 is also used to adjust the second driving current of each light-emitting component.
The control module 30 is also used to the backlight average brightness according to each block, controls the opening sequence of corresponding light-emitting component.
The brightness control system further includes brightness detector 40.The brightness detector 40 is used to drive when the signal
Display panel is written in first driving signal by module 10, and the control module 30 controls each light-emitting component of backlight module successively
When unlatching, detects the backlight average brightness of each block and be transmitted to the control module 30.The control module 30 is also used to
The backlight average brightness of each block is ranked up.
The brightness control system of the application leads under the premise of a plurality of light-emitting elements of the backlight module are successively opened
Display panel is written into driving signal after first, then controls the first eyeglass and backlight module while opening, display panel response reaches
Stablize and tends to equal penetrance, penetrance, the penetrance of the corresponding glasses of each block of each block of display panel
Tend to be equal with the product of the backlight average brightness of each block of display panel；Pass through the driving of each light-emitting component of adjusting again
Electric current, and then the backlight average brightness of each block of display panel is adjusted, so that the penetrance of each block of display panel,
The penetrance of the corresponding glasses of each block is equal with the product of backlight average brightness of each block of display panel, to make
Obtain the brightness uniformity that each block of display panel penetrates liquid crystal glasses.In addition, the application is also smaller by the penetrance in glasses
Stage first open the corresponding light-emitting component of the highest block of average brightness, and be gradually increased in the penetrance of glasses to stable
Process successively opens remaining light-emitting component by the backlight average brightness sequence from high to low of corresponding block, so that
The penetrance of each block of display panel, glasses correspond to the penetrance of each block and the backlight of each block of display panel is average
The product of brightness is equal.
One embodiment of the application also provides a kind of display system, and the display system includes display panel and above-mentioned
Brightness control system.
The display panel of the embodiment of the present invention can be following any: liquid crystal display panel, OLED display panel, QLED
Display panel, twisted-nematic (Twisted Nematic, TN) or super twisted nematic (Super Twisted Nematic, STN)
Type, plane conversion (In-Plane Switching, IPS) type, vertical orientation (Vertical Alignment, VA) type, curved surface
Type panel or other display panels.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of brightness adjusting method of display system, for adjusting the brightness of display panel transmitted through glasses, the display panel
It is lighted by backlight module, the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, the back
Optical module includes a plurality of light-emitting elements；It is characterized in that, the brightness adjusting method of the display system the following steps are included:
Display panel is written into first driving signal；
It controls the first eyeglass and backlight module while opening, wherein a plurality of light-emitting elements of backlight module are successively opened, the first mirror
The light-emitting component of first unlatching of piece and backlight module is opened simultaneously；
Adjust the first driving current of each light-emitting component；
Display panel is written into second driving signal；
It controls the second eyeglass and backlight module while opening, wherein a plurality of light-emitting elements of backlight module are successively opened, the second mirror
The light-emitting component of first unlatching of piece and backlight module is opened simultaneously；
Adjust the second driving current of each light-emitting component.
2. the brightness adjusting method of display system according to claim 1, which is characterized in that each member that shines of the adjusting
After first driving current step of part further include:
According to the backlight average brightness of each block, the opening sequence of corresponding light-emitting component is controlled；
After the second driving current step for adjusting each light-emitting component further include:
According to the backlight average brightness of each block, the opening sequence of corresponding light-emitting component is controlled.
3. according to the brightness adjusting method for the display system that claim 2 is stated, which is characterized in that described that first driving signal is written
Before display panel step comprising steps of
Display panel is written into first driving signal, each light-emitting component for controlling backlight module is successively opened；
Detect the backlight average brightness of each block；
The backlight average brightness of each block is ranked up.
4. a kind of brightness control system, for adjusting the brightness of display panel transmitted through glasses, the display panel is by backlight module
It lights, the glasses include the first eyeglass and the second eyeglass, and the display panel includes multiple blocks, and the backlight module includes
A plurality of light-emitting elements, which is characterized in that
The brightness control system includes signal drive module, glasses drive module and control module；
The signal drive module is used to the first driving signal display panel is written；The glasses drive module is for controlling the
One eyeglass is opened；The control module is for controlling backlight module unlatching；The control module is also used to drive by the glasses
Dynamic model block controls the first eyeglass and backlight module is opened simultaneously；
Wherein, a plurality of light-emitting elements of backlight module are successively opened, and first unlatching of the first eyeglass and backlight module shines
Element is opened simultaneously；
The control module is also used to adjust the first driving current of each light-emitting component；
The signal drive module is also used to the second driving signal display panel is written；The glasses drive module is for controlling
Second eyeglass is opened；The control module is also used to control the second eyeglass and backlight module simultaneously by the glasses drive module
It opens；
Wherein, a plurality of light-emitting elements of backlight module are successively opened, and first unlatching of the second eyeglass and backlight module shines
Element is opened simultaneously；
The control module is also used to adjust the second driving current of each light-emitting component.
5. brightness control system according to claim 4, which is characterized in that the control module is also used to according to each area
The backlight average brightness of block, controls the opening sequence of corresponding light-emitting component.
6. brightness control system according to claim 5, which is characterized in that further include brightness detector；The brightness inspection
It surveys device to be used to that display panel to be written in the first driving signal when the signal drive module, the control module controls backlight module
Each light-emitting component when successively opening, detect the backlight average brightness of each block and be transmitted to the control module；It is described
Control module is also used to be ranked up the backlight average brightness of each block.
7. brightness control system according to claim 4, which is characterized in that the multiple light-emitting component forms backlight,
The backlight is unilateral side entering type light source, the quantity of the light-emitting component be it is N number of, the block and the light-emitting component are one by one
Corresponding, each light-emitting component is for lighting a corresponding block.
8. brightness control system according to claim 4, which is characterized in that the multiple light-emitting component forms backlight,
The backlight is bilateral side entering type light source, and the quantity of the light-emitting component is 2N, every two light-emitting component and a block
Corresponding, every two light-emitting component lights a corresponding block.
9. brightness control system according to claim 4, which is characterized in that the multiple light-emitting component forms backlight,
The backlight is directly-down light source, and the quantity of the light-emitting component is N*M and in the matrix arrangement of N row, M column, every a line
M light-emitting component it is corresponding with a block, the M light-emitting component of every a line lights a corresponding block.
10. a kind of display system, which is characterized in that the display system includes display panel and claim 4 to claim 9
Brightness control system described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320830.7A CN109166536B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
| PCT/CN2018/123403 WO2020093557A1 (en) | 2018-11-07 | 2018-12-25 | Brightness adjustment method for display system, brightness adjustment system, and display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320830.7A CN109166536B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
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| Publication Number | Publication Date |
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| CN109166536A true CN109166536A (en) | 2019-01-08 |
| CN109166536B CN109166536B (en) | 2020-11-24 |
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| CN201811320830.7A Active CN109166536B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
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| WO (1) | WO2020093557A1 (en) |
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| CN109166536B (en) | 2020-11-24 |
| WO2020093557A1 (en) | 2020-05-14 |
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