CN109243381A - 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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- CN109243381A CN109243381A CN201811320794.4A CN201811320794A CN109243381A CN 109243381 A CN109243381 A CN 109243381A CN 201811320794 A CN201811320794 A CN 201811320794A CN 109243381 A CN109243381 A CN 109243381A
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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
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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 the following steps are included: display panel is written in the first driving signal, meanwhile, the first eyeglass of control is opened；When the time of the first driving signal write-in display panel reaching preset time, each light-emitting component for controlling backlight module is successively opened；Adjust the first driving current of each light-emitting component；Display panel is written into second driving signal, meanwhile, the second eyeglass of control is opened；When the time of the second driving signal write-in display panel reaching preset time, each light-emitting component for controlling backlight module is successively opened；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, meanwhile, the first eyeglass of control is opened；
When the time of the first driving signal write-in display panel reaching preset time, controls each of backlight module and shine
Element is successively opened；
Adjust the first driving current of each light-emitting component；
Display panel is written into second driving signal, meanwhile, the second eyeglass of control is opened；
When the time of the second driving signal write-in display panel reaching preset time, controls each of backlight module and shine
Element is successively opened；
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.
It is described in one of the embodiments, that display panel is written into the first driving signal, meanwhile, the first eyeglass of control is opened
Before the step of opening 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.
It is described in one of the embodiments, that display panel is written into the first driving signal, meanwhile, the first eyeglass of control is opened
Before the step of opening further include:
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 penetrance that changes over time of each block of detection display panel and the response time for recording the penetrance；
Compare the penetrance, to obtain the preset time according to the response time.
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；For controlling the signal drive module display panel is written in first driving signal by the control module
Time and the glasses drive module control the first eyeglass open time consistency；
The control module is also used to the control when the time that display panel is written in the first driving signal reaching preset time
Each light-emitting component of backlight module is successively opened；
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 also used
It is opened in controlling the second eyeglass；The control module is also used to control the signal drive module, and the write-in of the second driving signal is aobvious
Show that the time of panel and the glasses drive module control the time consistency that the second eyeglass is opened；
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, controls the unlatching of corresponding light-emitting component
Sequentially.
It further include brightness detector；The brightness detector is used to write the first driving signal when the signal drive module
Enter display panel, the glasses drive module controls each hair of the unlatching of the first eyeglass and control module control backlight module
When optical element is successively opened, detects the backlight average brightness of each block and be transmitted to the control module；The control module
It is also used to be ranked up the backlight average brightness of each block.
It further include penetrance detector；The penetrance detector is used to believe the first driving when the signal drive module
Number write-in display panel, the glasses drive module control the first eyeglass open and control module control backlight module it is every
When a light-emitting component is opened, the penetrance that each block of display panel changes over time and the sound for recording the penetrance are detected
Between seasonable；The penetrance detector is also used to transmit the penetrance and the response time to the control module；It is described
Control module is also used to penetrance described in comparison, to obtain the preset time according to the response time.
The multiple light-emitting component forms backlight, and 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；When the side entering type light source is unilateral side entering type light source, the luminous member
The quantity of part is N number of, the block and light-emitting component one-to-one correspondence, and each light-emitting component, which is used to light, corresponds to an area
Block；When the side entering type light source is bilateral side entering type light source, the quantity of the light-emitting component is 2N, every two light-emitting component
Corresponding with a block, every two light-emitting component 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, the first eyeglass is controlled while by the way that display panel is written in driving signal and is opened
Open, when the time of the first driving signal write-in display panel reaching preset time, then to control backlight module each shine it is first
Part is successively opened, at this point, the penetrance of each block of display panel tends to penetrating for equal and each corresponding glasses of block
Rate tends to be equal；Also by adjusting the driving current of each light-emitting component, and then adjust the backlight of each block of display panel
Average brightness, so that the penetrance and display panel of the penetrance of each block of display panel, the corresponding glasses of each block
Each block backlight average brightness product it 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 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 flow chart of the brightness adjusting method of display system in another embodiment；
Figure 12 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 backlight is side entering type light source.It is described
The brightness adjusting method of display system the following steps are included:
Display panel is written in first driving signal by step S1, meanwhile, the first eyeglass of control is opened.
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 successively opened.It is shown at one
In period, driving signal includes the first driving signal and the second driving signal.
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 backlight module when the time of the first driving signal write-in display panel reaching preset time
Each light-emitting component is successively opened.
When the time of the first driving signal write-in display panel reaching preset time, the penetrance response of display panel is steady
Determine and reach unanimity, the penetrance response of glasses stablizes and reaches unanimity.
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 the regular hour could to export stable penetrance, and multiple areas of display panel
The backlight average brightness of block is different, if the unlatching of driving signal write-in display panel and glasses is synchronized with opening for backlight module
It opens, then the penetrance of each block of display panel, glasses can be made to correspond to the penetrance of each block and each area of display panel
The product of the backlight average brightness of block has differences.Therefore, display panel, the unlatching of glasses and back can be written by driving signal
The sequence of the unlatching of optical module and the adjustment of time, so that the penetrance of each block of display panel tends to be equal, so that
The back of each block of the penetrance of each block of display panel, the penetrance of the corresponding glasses of each block and display panel
The product of light average brightness tends to be equal, so that each block of display panel tends to be uniform through the brightness of liquid crystal glasses.
The backlight average brightness of each block is the average brightness for corresponding to the light-emitting component of each block.The corresponding glasses of each block
The penetrance, that is, corresponding light-emitting component of each block corresponding glasses penetrance.
The application is under the premise of a plurality of light-emitting elements of the backlight module are successively opened, by the way that driving signal to be written
The unlatching of the first eyeglass is controlled while display panel, reaches preset time when the time of the first driving signal write-in display panel
When, then control each light-emitting component of backlight module and successively open, at this point, the penetrance of each block of display panel tends to phase
Deng and the penetrances of the corresponding glasses of each block tend to be equal.
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 is 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 reaches corresponding and closes after a certain period of 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
Penetrance gradually increase and tend 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
The brightness uniformity of block transmitted through glasses.
Display panel is written in second driving signal by step S5, meanwhile, the second eyeglass of control is opened.
Step S6 controls backlight module when the time of the second driving signal write-in display panel reaching preset time
Each light-emitting component is opened simultaneously.
When the time of the first driving signal write-in display panel reaching preset time, the penetrance response of display panel is steady
Determine and reach unanimity, the penetrance response of glasses stablizes and reaches unanimity.
Step S7 adjusts the second driving current of each light-emitting component.
Step S8 controls the opening sequence of corresponding light-emitting component according to the backlight average brightness of each block.
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 reaches corresponding and closes after a certain period of time.
The opening time of each light-emitting component is equal.
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.
Fig. 5 first half display cycle rectangle 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 and Fig. 7 is please referred to, controls the first eyeglass while the application is by being written display panel for the first driving signal
It opens, when the time of the first driving signal write-in display panel reaching preset time, then to control backlight module each luminous
Element is opened simultaneously, and adjusts the driving current of each light-emitting component, and then the backlight for adjusting each block of display panel is flat
Equal brightness, in the first half display cycle, the average brightness of block BL1 becomes BL_ave_L1 ' from BL_ave_1, and block BL2's is averaged
Brightness becomes BL_ave_LN ' from BL_ave_N from the average brightness that BL_ave_2 becomes BL_ave_L2 ' ..., block BLN.Often
A block corresponds to the first panel penetrance of the opening time of each light-emitting component respectively by OC_TL_1, OC_TL_2 ...,
OC_TL_N becomes OC_TL_1 ', OC_TL_2 ' ..., OC_TL_N ', OC_TL_1 ' ≈ OC_TL_2 ' ... ≈ OC_TL_N '.First
The first glasses penetrance that eyeglass corresponds to each light-emitting component becomes L_T_1 ', L_ by L_T_1, L_T_2 ..., L_T_N respectively
T_2 ' ..., L_T_N ', 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 ' of each block=...=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.
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 becomes R_ by R_T_1, R_T_2 ..., R_T_N respectively
T_1 ', R_T_2 ' ..., R_T_N ', R_T_1 ' ≈ R_T_2 ' ... ≈ R_T_N '.Each block corresponds to opening for each light-emitting component
The second panel penetrance of time is opened, each block corresponds to the second panel penetrance point of the opening time of each light-emitting component
OC_TR_1 ', OC_TR_2 ' ..., OC_TR_N are not become by OC_TR_1, OC_TR_2 ..., OC_TR_N ', OC_TR_1 ' ≈ OC_
TR_2'…≈OC_TR_N'.At this point, the brightness BL_ave_ of each block for the display panel that user is seen by the first eyeglass
2 ' * OC_TR_2 ' * R_T_2 ' of 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.
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, 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, in one embodiment, 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.
Referring to Fig. 10, in one embodiment, being further comprised the steps of: before step S1
Display panel is written in first driving signal by step S10, and the every of backlight module is opened and controlled to the first eyeglass of control
A light-emitting component is opened.
Step S20 detects the penetrance that each block of display panel changes over time and the sound for recording the penetrance
Between seasonable.
Step S30, the penetrance, to obtain the preset time according to the response time.
In conclusion the brightness adjusting method of the display system of the application, is side entering type light source and back in the backlight
Under the premise of a plurality of light-emitting elements of optical module are successively opened, first is controlled while by the way that display panel is written in driving signal
Each of eyeglass is opened, when the time of the first driving signal write-in display panel reaching preset time, then control backlight module
Light-emitting component is successively opened, at this point, the penetrance of each block of display panel tends to the corresponding glasses of equal and each block
Penetrance tend to be equal；Also by adjusting the driving current of each light-emitting component, and then adjust each block of display panel
Backlight average brightness 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.
It is corresponded in addition, the application also first opens the highest block of average brightness by the penetrance lesser stage in glasses
Light-emitting component, and be gradually increased in the penetrance of glasses to stable process, by corresponding block backlight average brightness from
High to Low sequence successively opens remaining light-emitting component, so that the penetrance of each block of display panel, glasses are corresponding
It is equal in the penetrance of each block and the product of backlight average brightness of each block of display panel.
Below in conjunction with Figure 12, 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 12, 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 12 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.First driving signal is written for controlling the signal drive module 10 for the control module 30
The time of display panel and the glasses drive module 20 control the time consistency that the first eyeglass is opened.The control module 30 is also
For controlling each light-emitting component of backlight module when the time of the first driving signal write-in display panel reaching preset time
Successively open.The control module 30 is also used to adjust 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 also used to control the unlatching of the second eyeglass.The control module 30 is also used to control the signal drive module 10 and believes the second driving
Number write-in display panel time and the glasses drive module 20 control the second eyeglass open time consistency.The control mould
Block 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 opening for corresponding light-emitting component
Open sequence.
The brightness control system further includes brightness detector 50；The brightness detector 50 is used to drive when the signal
Display panel is written in first driving signal by module 10, and the glasses drive module 20 controls the unlatching of the first eyeglass and the control
When each light-emitting component that module 30 controls backlight module is successively opened, detects the backlight average brightness of each block and be transmitted to
The control module 30.The control module 30 is also used to be ranked up the backlight average brightness of each block.
The brightness control system further includes penetrance detector 40.The penetrance detector 40 is used to work as the signal
Display panel is written in first driving signal by drive module 10, and the glasses drive module 20 controls the first eyeglass and opens and described
When each light-emitting component that control module 30 controls backlight module is opened, detect what each block of display panel changed over time
Penetrance and the response time for recording the penetrance.The penetrance detector 40 is also used to transmit the penetrance and described
Response time is to the control module 30.The control module 30 is also used to penetrance described in comparison, when with according to the response
Between obtain the preset time.
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
It crosses and controls the unlatching of the first eyeglass while display panel is written in driving signal, when display panel is written in the first driving signal
Between when reaching preset time, then control each light-emitting component of backlight module while opening, at this point, each block of display panel
Penetrance tend to the penetrances of the corresponding glasses of equal and each block and tend to be equal；Also by adjusting each light-emitting component
Driving current, and then the backlight average brightness of each block of display panel is adjusted, so that each block of display panel is worn
Saturating rate, the penetrance of the corresponding glasses of each block are equal with the product of backlight average brightness of each block of display panel,
So that each block of display panel penetrates the brightness uniformity of liquid crystal glasses.
It is corresponded in addition, the application also first opens the highest block of average brightness by the penetrance lesser stage in glasses
Light-emitting component, and be gradually increased in the penetrance of glasses to stable process, by corresponding block backlight average brightness from
High to Low sequence successively opens remaining light-emitting component, so that the penetrance of each block of display panel, glasses are corresponding
It is equal in the penetrance of each block and the product of backlight average brightness of each block 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, meanwhile, the first eyeglass of control is opened；
When the time of the first driving signal write-in display panel reaching preset time, each light-emitting component of backlight module is controlled
Successively open；
Adjust the first driving current of each light-emitting component；
Display panel is written into second driving signal, meanwhile, the second eyeglass of control is opened；
When the time of the second driving signal write-in display panel reaching preset time, each light-emitting component of backlight module is controlled
Successively open；
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. the brightness adjusting method of display system according to claim 2, which is characterized in that described by the first driving signal
Be written display panel, meanwhile, control the first eyeglass open the step of 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.
4. the brightness adjusting method of display system according to claim 1, which is characterized in that described by the first driving signal
Be written display panel, meanwhile, control the first eyeglass open the step of before further include:
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 penetrance that changes over time of each block of detection display panel and the response time for recording the penetrance；
Compare the penetrance, to obtain the preset time according to the response time.
5. 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 be used for control the signal drive module by the first driving signal write-in display panel when
Between with the glasses drive module control the first eyeglass open time consistency；
The control module is also used to control backlight when the time that display panel is written in the first driving signal reaching preset time
Each light-emitting component of module is successively opened；
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 also used to control
Make the unlatching of the second eyeglass；The control module is also used to control the signal drive module and display surface is written in the second driving signal
The time of plate and the glasses drive module control the time consistency that the second eyeglass is opened；
The control module is also used to adjust the second driving current of each light-emitting component.
6. brightness control system according to claim 5, 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.
7. brightness control system according to claim 6, which is characterized in that further include brightness detector；The brightness inspection
Device is surveyed to be used to that display panel, the glasses drive module control first to be written in the first driving signal when the signal drive module
When eyeglass is opened and each light-emitting component of control module control backlight module is successively opened, the backlight of each block is detected
Average brightness is simultaneously transmitted to the control module；The control module is also used to arrange the backlight average brightness of each block
Sequence.
8. brightness control system according to claim 5, which is characterized in that further include penetrance detector；It is described to penetrate
Rate detector is used to that display panel, the glasses drive module control to be written in the first driving signal when the signal drive module
When first eyeglass is opened and each light-emitting component of control module control backlight module is opened, each of display panel is detected
Penetrance that block changes over time and the response time for recording the penetrance；The penetrance detector is also used to transmit institute
Penetrance and the response time are stated to the control module；The control module is also used to penetrance described in comparison, with basis
The response time obtains the preset time.
9. brightness control system according to claim 5, 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.
10. a kind of display system, which is characterized in that the display system includes display panel and claim 5 to claim 9
Brightness control system described in any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320794.4A CN109243381B (en) | 2018-11-07 | 2018-11-07 | Brightness adjusting method and system of display system and display system |
| PCT/CN2018/122271 WO2020093543A1 (en) | 2018-11-07 | 2018-12-20 | Brightness adjustment method for display system, brightness adjustment system, and display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320794.4A CN109243381B (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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| CN109243381A true CN109243381A (en) | 2019-01-18 |
| CN109243381B CN109243381B (en) | 2020-12-29 |
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| WO (1) | WO2020093543A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908228A (en) * | 2021-01-28 | 2021-06-04 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, head-mounted display equipment and storage medium |
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| JP3923434B2 (en) * | 2003-01-28 | 2007-05-30 | 株式会社ソフィア | Image display device |
| JP2006033363A (en) * | 2004-07-15 | 2006-02-02 | Seijiro Tomita | Stereoscopic video image display device |
| KR101527111B1 (en) * | 2008-10-15 | 2015-06-08 | 삼성전자주식회사 | Device and method for displaying video |
| JP4775464B2 (en) * | 2009-03-13 | 2011-09-21 | ソニー株式会社 | Image display device, image display observation system, and image display method |
| JP5619365B2 (en) * | 2009-03-13 | 2014-11-05 | ソニー株式会社 | Image display device, image display observation system, and image display method |
| KR101301322B1 (en) * | 2009-07-22 | 2013-09-10 | 엘지디스플레이 주식회사 | Stereoscopic image display and driving method thereof |
| CN101650922B (en) * | 2009-09-04 | 2011-10-05 | 青岛海信电器股份有限公司 | Backlight scanning control method and device of 3D liquid crystal television |
| CN102162927A (en) * | 2010-02-24 | 2011-08-24 | 瑞轩科技股份有限公司 | Liquid crystal display system and method for generating stereo image effect by adjusting backlight luminance |
| JP2012128197A (en) * | 2010-12-15 | 2012-07-05 | Toshiba Corp | Stereoscopic image display device and stereoscopic image display method |
| CN102395038B (en) * | 2011-11-16 | 2013-09-04 | 深圳市华星光电技术有限公司 | Working method of shutter glass type 3D display |
| CN102547361B (en) * | 2012-02-09 | 2014-04-02 | 华映视讯（吴江）有限公司 | Stereo image display system and method |
| CN102663981A (en) * | 2012-04-19 | 2012-09-12 | 深圳市华星光电技术有限公司 | Three-dimensional display device and display control method thereof |
| CN104715727B (en) * | 2012-08-30 | 2017-08-25 | 青岛海信电器股份有限公司 | A kind of backlight module device and control method, TV |
| CN102831863B (en) * | 2012-08-30 | 2015-03-04 | 青岛海信电器股份有限公司 | Backlight module device, control method and television |
| CN103731650A (en) * | 2012-10-16 | 2014-04-16 | 群康科技(深圳)有限公司 | Stereo display device and control method thereof |
| CN102968964B (en) * | 2012-12-05 | 2014-08-06 | 京东方科技集团股份有限公司 | Backlight driving method and device, and display device |
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- 2018-12-20 WO PCT/CN2018/122271 patent/WO2020093543A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908228A (en) * | 2021-01-28 | 2021-06-04 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, head-mounted display equipment and storage medium |
| CN112908228B (en) * | 2021-01-28 | 2023-12-01 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, head-mounted display device and storage medium |
Also Published As
| Publication number | Publication date |
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| CN109243381B (en) | 2020-12-29 |
| WO2020093543A1 (en) | 2020-05-14 |
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