CN109166537A - 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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- CN109166537A CN109166537A CN201811320863.1A CN201811320863A CN109166537A CN 109166537 A CN109166537 A CN 109166537A CN 201811320863 A CN201811320863 A CN 201811320863A CN 109166537 A CN109166537 A CN 109166537A
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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
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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 comprising steps of be written display panel for the first driving signal, the first eyeglass of control is opened and each light-emitting component of control backlight module is opened；The opening time of each light-emitting component was adjusted to for the first opening time by preset time；Display panel is written into second driving signal, the second eyeglass of control is opened and each light-emitting component of control backlight module is opened；The opening time of each light-emitting component was adjusted to for the second opening time by preset time.
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 adjusting method of display system
And 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, the first eyeglass of control is opened and each of the control backlight module member that shines
Part is opened；
The opening time of each light-emitting component was adjusted to for the first opening time by preset time；
Display panel is written into second driving signal, the second eyeglass of control is opened and each of the control backlight module member that shines
Part is opened；
The opening time of each light-emitting component was adjusted to for the second opening time by preset time.
Calculate first opening time and second opening time in one of the embodiments, comprising steps of
Display panel is written into first driving signal, the first eyeglass of control is opened and each of the control backlight module member that shines
Part is opened；
It detects the first eyeglass and corresponds to each shine corresponding to the first glasses penetrance of each light-emitting component, display panel
The first panel penetrance of each block of element and the backlight average brightness of each block；
The opening time of each light-emitting component of backlight module is obtained, and is stored as preset time；
It is average bright according to the first glasses penetrance, the first panel penetrance of each block, the backlight of each block
Degree and the preset time calculate the first opening time of each light-emitting component；
Display panel is written into second driving signal, the second eyeglass of control is opened and each of the control backlight module member that shines
Part is opened；
It detects the second eyeglass and corresponds to each shine corresponding to the secondary glasses penetrance of each light-emitting component, display panel
The second panel penetrance of each block of element and the backlight average brightness of each block；
It is average bright according to the secondary glasses penetrance, the second panel penetrance of each block, the backlight of each block
Degree and the preset time calculate the second opening time of each light-emitting component.
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；Each light-emitting component that the control module is used to control backlight module is opened；The control module is also
For the opening time of each light-emitting component to be adjusted to for the first opening time by preset time；
The signal drive module is also used to the second driving signal display panel is written；The glasses drive module is also used
It is opened in controlling the second eyeglass；Each light-emitting component that the control module is also used to control backlight module is opened；The control
Module is also used to the opening time of each light-emitting component being adjusted to for the second opening time by preset time.
It in one of the embodiments, further include the first detector, the second detector and third detector；
First detector is used to that display panel, the eye to be written in the first driving signal when the signal drive module
When mirror drive module controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection
First eyeglass corresponds to the first glasses penetrance of each light-emitting component and is transmitted to the control module；
Second detector is used to that display panel, the eye to be written in the first driving signal when the signal drive module
When mirror drive module controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection
Display panel corresponds to the first panel penetrance of each block of each light-emitting component and is transmitted to the control module；
The third detector is used to that display panel, the eye to be written in the first driving signal when the signal drive module
When mirror drive module controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection
The backlight average brightness of each block is simultaneously transmitted to the control module；
The control module is also used to obtain the opening time of each light-emitting component of backlight module, and when being stored as default
Between；
The control module is also used to according to the first glasses penetrance, the first panel penetrance of each block, every
The backlight average brightness of a block and the preset time calculate the first opening time of each block of display panel.
First detector is also used to believe the second driving when the signal drive module in one of the embodiments,
Number write-in display panel, the glasses drive module control the second eyeglass open and control module control backlight module it is every
When a light-emitting component is opened, the second eyeglass of detection corresponds to the secondary glasses penetrance of each light-emitting component and is transmitted to the control
Molding block；
Second detector is also used to that display panel is written in the second driving signal when the signal drive module, described
When glasses drive module controls the unlatching of the second eyeglass and each light-emitting component unlatching of control module control backlight module, inspection
Display panel is surveyed corresponding to the second panel penetrance of each block of each light-emitting component and is transmitted to the control module；
The third detector is also used to that display panel is written in the second driving signal when the signal drive module, described
When glasses drive module controls the unlatching of the second eyeglass and each light-emitting component unlatching of control module control backlight module, inspection
It surveys the backlight average brightness of each block and is transmitted to the control module；
The control module is also used to according to the secondary glasses penetrance, the second panel penetrance of each block, every
The backlight average brightness of a block and the preset time calculate the second opening time of each block of display panel.
Each light-emitting component of the control module control backlight module is opened simultaneously in one of the embodiments,.
Each light-emitting component of the control module control backlight module is successively opened in one of the embodiments,.
The multiple light-emitting component forms backlight in one of the embodiments, and the backlight is side entering type light source,
The side entering type light source includes unilateral side entering type light source and bilateral side entering type light source；When the side entering type light source is unilateral side entering type
When light source, the quantity of the light-emitting component is N number of, the block and light-emitting component one-to-one correspondence, each light-emitting component use
A block is corresponded in lighting；When the side entering type light source is bilateral side entering type light source, the quantity of the light-emitting component is 2N
A, every two light-emitting component is corresponding with a block, and every two light-emitting component lights 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, by adjusting backlight module
Each light-emitting component the first opening time and the second opening time, and then adjust the back of the corresponding block of each light-emitting component
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 the brightness of each block transmitted through glasses of display panel is equal
It is even.
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 the flow chart that the first opening time and the second opening time are calculated in one embodiment；
Fig. 6 is display panel penetrance, glasses penetrance and backlight illumination in one embodiment in a display cycle
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 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, and the every of backlight module is opened and controlled to the first eyeglass of control
A light-emitting component is opened.In a display cycle, driving signal includes the first driving signal and the second driving signal.
In one embodiment, the glasses are 3D liquid crystal glasses, and the display panel is 3D liquid crystal display panel.
The backlight can 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 simultaneously or sequentially opened.
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).
The opening time of each light-emitting component was adjusted to for the first opening time by preset time by step S2.
First opening time is each light-emitting component in a display cycle of display panel, corresponds to first and drives
The opening time that dynamic signal write-in and the first eyeglass are opened.The preset time is before adjusting the opening time of each light-emitting component
The default opening time.
It should be noted that the driving current of each light-emitting component is pre- in a display cycle of display panel
If electric current, the first driving signal be written display panel, the opening time of each light-emitting component reached for the first opening time after close.
Display panel is written in second driving signal by step S3, and the every of backlight module is opened and controlled to the second eyeglass of control
A light-emitting component is opened.
The opening time of each light-emitting component was adjusted to for the second opening time by preset time by step S4.
Second opening time is each light-emitting component in a display cycle of display panel, corresponds to second and drives
The opening time 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 for the second opening time.
The a plurality of light-emitting elements of the backlight module are opened simultaneously or are successively opened.In a display cycle of display panel
In, if corresponding to, display panel is written in the first driving signal and the first eyeglass is opened, and each light-emitting component is successively opened, then corresponded to
Display panel is written in the second driving signal and the second eyeglass is opened, each light-emitting component is successively opened.If corresponding to first to drive
Dynamic signal write-in display panel and the first eyeglass are opened, and each light-emitting component is synchronous to be opened, then correspond to the second driving signal and write
Enter display panel and the second eyeglass is opened, each light-emitting component is synchronous to be opened.
Referring to Fig. 5, calculate first opening time and second opening time comprising steps of
Display panel is written in first driving signal by step S01, and the every of backlight module is opened and controlled to the first eyeglass of control
A light-emitting component is opened.
Step S02, the first eyeglass of detection corresponds to the first glasses penetrance of each light-emitting component, display panel corresponds to
The first panel penetrance of each block of each light-emitting component and the backlight average brightness of each block.
The first glasses penetrance is that first eyeglass corresponds to the write-in of the first driving signal and corresponds to each hair
The glasses penetrance of optical element.The first panel penetrance is that each block of display panel is write corresponding to the first driving signal
The panel penetrance entered.
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.Therefore, the backlight of each block to display panel can be passed through
Average brightness is adjusted so that the penetrance of each block of display panel, the penetrance of the corresponding glasses of each block and aobvious
Show that the product of the backlight average brightness of each block of panel is equal, so that each block of display panel penetrates liquid crystal glasses
Brightness uniformity.The backlight average brightness of each block can be adjusted by adjusting the opening time of a corresponding light-emitting component
Section.Penetrance, that is, corresponding the light-emitting component of each block corresponding glasses penetrance of the corresponding glasses of each block.Each
The backlight average brightness of block is the average brightness for corresponding to the light-emitting component of each block.
Step S03, obtains the opening time of each light-emitting component of backlight module, and is stored as preset time.
Step S04, according to the first glasses penetrance, the first panel penetrance of each block, each block back
Light average brightness and the preset time calculate the first opening time of each light-emitting component.
When the equal brightness of the known first glasses penetrance, the first panel penetrance of each block and each block,
It using one of block as reference block, then would know that the block penetrates the brightness of the first eyeglass, the first mirror penetrated with the block
The brightness of piece is reference brightness, the brightness uniformity of the first eyeglass is penetrated to the realization each block of display panel, then display panel
Remaining block is reference brightness through the brightness of the first eyeglass, due to the first glasses penetrance and the first face of each block
Plate penetrance is it is known that then can be obtained the backlight average brightness difference of remaining block of display panel and reference block, due to block
Backlight average brightness and the opening time direct proportionality of corresponding light-emitting component, therefore, first opening time=pre-
If time * (ratio of 1+ average brightness difference and the average brightness of a corresponding block).
Display panel is written in second driving signal by step S05, and the every of backlight module is opened and controlled to the second eyeglass of control
A light-emitting component is opened.
Step S06, the second eyeglass of detection corresponds to the secondary glasses penetrance of each light-emitting component, display panel corresponds to
The second panel penetrance of each block of each light-emitting component and the backlight average brightness of each block.
The secondary glasses penetrance is that second eyeglass corresponds to the write-in of the second driving signal and corresponds to each hair
The glasses penetrance of optical element.The second panel penetrance is that each block of display panel is write corresponding to the second driving signal
The panel penetrance entered.
Step S07, according to the secondary glasses penetrance, the second panel penetrance of each block, each block back
Light average brightness and the preset time calculate the second opening time of each light-emitting component.
When the backlight of the known secondary glasses penetrance, the second panel penetrance of each block and each block is average
Brightness then would know that the block penetrates the brightness of the second eyeglass, with the block through the using one of block as reference block
The brightness of two eyeglasses is reference brightness, to realize that each block of display panel penetrates the brightness uniformity of the second eyeglass, is then shown
Remaining block of panel is reference brightness through the brightness of the second eyeglass, due to the of the secondary glasses penetrance and each block
Two panel penetrances it is known that the backlight average brightness difference of remaining block of display panel and reference block then can be obtained, due to
The opening time direct proportionality of the backlight average brightness of block and corresponding light-emitting component, therefore, second opening time
=preset time * (ratio of 1+ average brightness difference and the average brightness of a corresponding block).
In order to preferably show the present processes, specific description is done below with reference to Fig. 6 to Fig. 9.Referring to Fig. 6, light
Source is side entering type light source and each light-emitting component is successively opened.The opening time of each light-emitting component is respectively t1, t2 ...,
TN, i.e., the lighting time of corresponding each block are respectively t1, t2 ..., tN, t1=t2 ...=tN=t, wherein t is default
Time.Curve 1 is the first driving signal that display panel is written.Curve 2 is that the first eyeglass corresponds to the of each light-emitting component
One glasses penetrance, the first glasses penetrance that the first eyeglass corresponds to each light-emitting component is respectively L_T_1, L_T_2 ...,
L_T_N." △ " of Fig. 6 first half display cycle is that the first panel for the opening time that each block corresponds to each light-emitting component is worn
Saturating rate, the first panel penetrance that each block corresponds to the opening time of each light-emitting component is respectively OC_TL_1, OC_TL_
2 ..., OC_TL_N.
The rectangle of Fig. 6 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. 6 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 rectangle of Fig. 6 later half display cycle represents the backlight average brightness of each block, block BL1
Average brightness be BL_ave_1, 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, with
Brightness BL_ave_1*OC_TR_1*R_T_1 ≠ BL_ave_2* of each block for the display panel that family is seen by the second eyeglass
OC_TR_2*R_T_2 ≠ ... each block of ≠ BL_ave_N*OC_TR_N*R_T_N, i.e. display panel is bright through the second eyeglass
Degree is uneven.
Fig. 7, Fig. 8 and Fig. 9 are please referred to, the first opening time of each light-emitting component and the second opening time are carried out respectively
Adjust, the opening time of each light-emitting component is adjusted to the first opening time tL1 by t1, t2 ..., tN respectively, tL2 ...,
TLN and the second opening time tR1, tR2 ..., tRN.Corresponding to the first opening time of each light-emitting component, block BL1's is flat
Equal brightness becomes BL_ave_L1 ' from BL_ave_1, the average brightness of block BL2 from BL_ave_2 become BL_ave_L2 ' ...,
The average brightness of block BLN becomes BL_ave_LN ' from BL_ave_N.At this point, the display panel that user is seen by the first eyeglass
Each block brightness BL_ave_L1 ' * OC_TL_1*L_T_1=BL_ave_L2 ' * OC_TL_2*L_T_2=...=BL_
Ave_LN ' * OC_TL_N*L_T_N, the i.e. each block of display panel penetrate the brightness uniformity of the first eyeglass.
Corresponding to the second opening time of each light-emitting component, the average brightness of block BL1 becomes BL_ from BL_ave_1
The average brightness of ave_R1 ', block BL2 become the average brightness of BL_ave_R 2 ' ..., block BLN by BL_ from BL_ave_2
Ave_N becomes BL_ave_R N '.At this point, the brightness BL_ of each block for the display panel that user is seen by the first eyeglass
2 ' * OC_TR_2*R_T_2=... of ave_R1 ' * OC_TR_1*R_T_1=BL_ave_R=BL_ave_R N ' * OC_TR_N*R_
The each block of T_N, i.e. display panel penetrates the brightness uniformity of the second eyeglass.
In conclusion the brightness adjusting method of the display system of the application, by adjusting the luminous member of each of backlight module
The first opening time and the second opening time of part, and then the backlight average brightness of the corresponding block of each light-emitting component 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 each block of display panel penetrate liquid crystal glasses brightness uniformity.
Below in conjunction with Figure 10, describe in detail to brightness control system provided by the embodiments of the present application.It needs to illustrate
, brightness control system shown in Fig. 10, the method for executing the application embodiment illustrated in fig. 1, for ease of description, only
Part relevant to the embodiment of the present application is shown, it is disclosed by specific technical details, please refer to the application implementation shown in FIG. 1
Example.
Figure 10 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.It is described
Brightness control system includes signal drive module 10, glasses drive module 20 and control module 30.The signal drive module 10
For display panel to be written in the first driving signal.The glasses drive module 20 is opened for controlling the first eyeglass.The control
Each light-emitting component that molding block 30 is used to control backlight module is opened.The control module 30 is also used to each light-emitting component
Opening time the first opening time was adjusted to by preset time.
The signal drive module 10 is also used to the second driving signal display panel is written.The glasses drive module 20
It is also used to control the unlatching of the second eyeglass.Each light-emitting component that the control module 30 is also used to control backlight module is opened.Institute
Control module 30 is stated to be also used to the opening time of each light-emitting component being adjusted to for the second opening time by preset time.
The brightness control system further includes the first detector 40, the second detector 50 and third detector 60.Described
One detector 40 is used to that display panel, the glasses drive module to be written in first driving signal when the signal drive module 10
When 20 the first eyeglasses of control are opened and the control module 30 controls each light-emitting component unlatching of backlight module, the first mirror is detected
Piece corresponds to the first glasses penetrance of each light-emitting component and is transmitted to the control module 30.Second detector 50 is used
In display panel is written in first driving signal when the signal drive module 10, the glasses drive module 20 controls the first mirror
When piece is opened and the control module 30 controls each light-emitting component unlatching of backlight module, detection display panel corresponds to each
The first panel penetrance of each block of light-emitting component is simultaneously transmitted to the control module 30.The third detector 60 is used for
When display panel is written in the first driving signal by the signal drive module 10, the glasses drive module 20 controls the first eyeglass
When each light-emitting component that unlatching and the control module 30 control backlight module is opened, the backlight for detecting each block is average bright
It spends and is transmitted to the control module 30.
The control module 30 is also used to obtain the opening time of each light-emitting component of backlight module, and is stored as presetting
Time.
The control module 30 be also used to according to the first glasses penetrance, the first panel penetrance of each block,
The backlight average brightness of each block and the preset time calculate the first opening time of each light-emitting component.
First detector 40 is also used to that display panel is written in second driving signal when the signal drive module 10,
The glasses drive module 20 controls the unlatching of the second eyeglass and the control module 30 controls each light-emitting component of backlight module
When unlatching, the second eyeglass of detection corresponds to the secondary glasses penetrance of each light-emitting component and is transmitted to the control module 30.
Second detector 50 is also used to that display panel, the glasses are written in second driving signal when the signal drive module 10
When drive module 20 controls the unlatching of the second eyeglass and each light-emitting component unlatching of the control backlight module of the control module 30, inspection
Display panel is surveyed corresponding to the second panel penetrance of each block of each light-emitting component and is transmitted to the control module 30.
The third detector 60 is also used to that display panel, the glasses are written in second driving signal when the signal drive module 10
When drive module 20 controls the unlatching of the second eyeglass and each light-emitting component unlatching of the control backlight module of the control module 30, inspection
It surveys the backlight average brightness of each block and is transmitted to the control module 30.
The control module 30 be also used to according to the secondary glasses penetrance, the second panel penetrance of each block,
The backlight average brightness of each block and the preset time calculate the second opening time of each light-emitting component.
The brightness control system of the application, by the first opening time and for adjusting each light-emitting component of backlight module
Two opening times, and then the backlight average brightness of the corresponding block of each light-emitting component is adjusted, so that each area of display panel
The product of the backlight average brightness of each block of the penetrance of block, the penetrance of the corresponding glasses of each block and display panel
It is equal, so that the brightness uniformity of each block transmitted through glasses of display panel.
The application also provides a kind of display system, and the display system includes display panel and above-mentioned brightness regulation system
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, the first eyeglass of control is opened and each light-emitting component of control backlight module is opened
It opens；
The opening time of each light-emitting component was adjusted to for the first opening time by preset time；
Display panel is written into second driving signal, the second eyeglass of control is opened and each light-emitting component of control backlight module is opened
It opens；
The opening time of each light-emitting component was adjusted to for the second opening time by preset time.
2. the brightness adjusting method of display system according to claim 1, which is characterized in that when calculating the described first unlatching
Between and second opening time comprising steps of
Display panel is written into first driving signal, the first eyeglass of control is opened and each light-emitting component of control backlight module is opened
It opens；
It detects the first eyeglass and corresponds to each light-emitting component corresponding to the first glasses penetrance of each light-emitting component, display panel
Each block first panel penetrance and each block backlight average brightness；
The opening time of each light-emitting component of backlight module is obtained, and is stored as preset time；
According to the first glasses penetrance, the first panel penetrance of each block, each block backlight average brightness and
The preset time calculates the first opening time of each light-emitting component；
Display panel is written into second driving signal, the second eyeglass of control is opened and each light-emitting component of control backlight module is opened
It opens；
It detects the second eyeglass and corresponds to each light-emitting component corresponding to the secondary glasses penetrance of each light-emitting component, display panel
Each block second panel penetrance and each block backlight average brightness；
According to the secondary glasses penetrance, the second panel penetrance of each block, each block backlight average brightness and
The preset time calculates the second opening time of each light-emitting component.
3. 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；It is characterized in that, the brightness control system includes signal drive module, glasses drive module and control mould
Block；
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；Each light-emitting component that the control module is used to control backlight module is opened；The control module is also used to
The opening time of each light-emitting component was adjusted to for the first opening time by preset time；
The signal drive module is also used to the second driving signal display panel is written；The glasses drive module is also used to control
Make the unlatching of the second eyeglass；Each light-emitting component that the control module is also used to control backlight module is opened；The control module
It is also used to the opening time of each light-emitting component being adjusted to for the second opening time by preset time.
4. brightness control system according to claim 3, which is characterized in that further include the first detector, the second detector
And third detector；
First detector is used to that display panel to be written in the first driving signal when the signal drive module, and the glasses drive
When dynamic model block controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection first
Eyeglass corresponds to the first glasses penetrance of each light-emitting component and is transmitted to the control module；
Second detector is used to that display panel to be written in the first driving signal when the signal drive module, and the glasses drive
When dynamic model block controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection display
Panel corresponds to the first panel penetrance of each block of each light-emitting component and is transmitted to the control module；
The third detector is used to that display panel to be written in the first driving signal when the signal drive module, and the glasses drive
When dynamic model block controls the unlatching of the first eyeglass and each light-emitting component unlatching of control module control backlight module, detection is each
The backlight average brightness of block is simultaneously transmitted to the control module；
The control module is also used to obtain the opening time of each light-emitting component of backlight module, and is stored as preset time；
The control module is also used to according to the first glasses penetrance, the first panel penetrance of each block, Mei Gequ
The backlight average brightness of block and the preset time calculate the first opening time of each block of display panel.
5. brightness control system according to claim 4, which is characterized in that first detector is also used to when the news
Display panel is written in second driving signal by number drive module, and the glasses drive module controls the second eyeglass and opens and the control
When each light-emitting component that molding block controls backlight module is opened, the second eyeglass of detection corresponds to second of each light-emitting component
Mirror penetrance is simultaneously transmitted to the control module；
Second detector is also used to that display panel, the glasses are written in the second driving signal when the signal drive module
When drive module controls the unlatching of the second eyeglass and each light-emitting component unlatching of control module control backlight module, detection is aobvious
Show that panel corresponds to the second panel penetrance of each block of each light-emitting component and is transmitted to the control module；
The third detector is also used to that display panel, the glasses are written in the second driving signal when the signal drive module
When drive module controls the unlatching of the second eyeglass and each light-emitting component unlatching of control module control backlight module, detection is every
The backlight average brightness of a block is simultaneously transmitted to the control module；
The control module is also used to according to the secondary glasses penetrance, the second panel penetrance of each block, Mei Gequ
The backlight average brightness of block and the preset time calculate the second opening time of each block of display panel.
6. brightness control system according to claim 3, which is characterized in that the control module controls the every of backlight module
A light-emitting component is opened simultaneously.
7. brightness control system according to claim 3, which is characterized in that the control module controls the every of backlight module
A light-emitting component is successively opened.
8. brightness control system according to claim 3, which is characterized in that the multiple light-emitting component forms backlight,
The backlight is side entering type light source, and the side entering type light source includes unilateral side entering type light source and bilateral side entering type light source；Work as institute
When to state side entering type light source be unilateral side entering type light source, the quantity of the light-emitting component is N number of, the block and the light-emitting component
It corresponds, each light-emitting component is for lighting a corresponding block；When the side entering type light source is bilateral side entering type light source,
The quantity of the light-emitting component is 2N, and every two light-emitting component is corresponding with a block, and every two light-emitting component lights correspondence
One block.
9. brightness control system according to claim 3, 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 3 to claim 9
Brightness control system described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320863.1A CN109166537B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
| PCT/CN2018/122518 WO2020093552A1 (en) | 2018-11-07 | 2018-12-21 | Brightness adjustment method of display system, brightness adjustment system and display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320863.1A CN109166537B (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 |
|---|---|
| CN109166537A true CN109166537A (en) | 2019-01-08 |
| CN109166537B CN109166537B (en) | 2021-08-24 |
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ID=64876754
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|---|---|---|---|
| CN201811320863.1A Active CN109166537B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
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| WO (1) | WO2020093552A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109166537B (en) | 2021-08-24 |
| WO2020093552A1 (en) | 2020-05-14 |
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