CN109785802A - Display screen and its control method, terminal - Google Patents

Display screen and its control method, terminal Download PDF

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Publication number
CN109785802A
CN109785802A CN201811652768.1A CN201811652768A CN109785802A CN 109785802 A CN109785802 A CN 109785802A CN 201811652768 A CN201811652768 A CN 201811652768A CN 109785802 A CN109785802 A CN 109785802A
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China
Prior art keywords
backlight
array
display substrate
display
display screen
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CN201811652768.1A
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Chinese (zh)
Inventor
刘金龙
李健林
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Priority to CN201811652768.1A priority Critical patent/CN109785802A/en
Publication of CN109785802A publication Critical patent/CN109785802A/en
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Abstract

The present invention provides a kind of display screens, including array of display substrate, backlight and the backlight circuit being arranged on the backlight, the backlight circuit is electrically connected with the backlight, and the backlight is set to below the array of display substrate and the relatively described display surface does back and forth movement.In addition, the present invention also proposes a kind of display panel control method and a kind of terminal.Technical solution of the present invention provides the mode of light source by using the movement backlight for the array of display substrate, adjust the refreshing frequency of the round-trip travel frequency of the backlight to more than the array of display substrate, so that the backlight is less than the resolution capability of human eye for the interval time that the array of display substrate provides light source, to improve the utilization efficiency of the backlight, so that it is corresponded to each other to guarantee the array of display substrate under the premise of being capable of providing good image quality, reduces quantity of light source to achieve the purpose that lower production cost and reduce energy consumption.

Description

Display screen and its control method, terminal
Technical field
The present invention relates to display backlight source technology field, in particular to a kind of display screen, a kind of display panel control method And a kind of terminal.
Background technique
Since direct-type backlight display screen has, at low cost, assembling mode is simple, high reliability, is made on a large scale For in low cost terminals.Conventional direct-type backlight display screen is generally by backlight, reflector plate, diverging lens, diaphragm, backboard etc. Composition, is limited, it is good to guarantee to provide backlight to need multiple backlights by the diffusion angle of light mixing distance and diverging lens Image quality performance, to improve energy consumption, improves use cost.
Summary of the invention
The main object of the present invention is to provide a kind of display screen, it is intended to which solution needs multiple backlights to mention in the prior art Guarantee the performance of good image quality for backlight, to improve energy consumption, the problem of use cost.
To achieve the above object, display screen proposed by the present invention, the display screen include: array of display substrate and backlight Lamp, the backlight is set to below the array of display substrate and the relatively described array of display substrate does back and forth movement.
Preferably, the display screen further includes driving motor and supporting back board, and the supporting back board is fixed on described aobvious Show below array substrate, the backlight is set in the supporting back board, the driving motor connect with the backlight with The backlight is driven to do back and forth movement, the direction of motion of the backlight and the array of display base in the supporting back board Direction when plate progress picture element scan is identical or opposite.
Preferably, the backlight does periodical back and forth movement below the array of display substrate, wherein the backlight The roundtrip frequency of lamp is greater than or equal to the picture element scan frequency of the array of display substrate.
Preferably, the roundtrip frequency of the backlight is equal to the picture element scan frequency of the array of display substrate, the back Light lamp initial position be relative to the array of display substrate a quarter position at.
Preferably, the display screen further includes backlight circuit, and the backlight circuit is electrically connected with the backlight, the back Optical circuit is greater than the picture element scan of the array of display substrate for controlling the backlight flashing, the backlight flicker frequency Frequency.
In addition, to solve the above problems, the present invention also proposes a kind of display panel control method, the display panel control method The following steps are included:
When the display screen is lighted, the backlight of the display screen relatively described display battle array below array of display substrate is controlled Column substrate does back and forth movement.
Preferably, described when the display screen is lighted, control the backlight of the display screen phase below array of display substrate The step of doing back and forth movement to the array of display substrate include:
Obtain the scan position of the picture element scan on array of display substrate;
The target position of the backlight is determined according to the scan position;
Backlight described in real-time control moves to the corresponding target position of the scan position.
Preferably, the array of display substrate is divided into several regions, institute from the initial position of picture element scan to end position State display panel control method further include:
When the scan position is located at predeterminable area position, execution is described to determine the backlight according to the scan position The target position of lamp.
Preferably, the backlight relatively described array of display substrate below array of display substrate does the period and transports back and forth Dynamic, the roundtrip frequency of the backlight is greater than or equal to the picture element scan frequency of the array of display substrate.
In addition, to solve the above problems, the present invention also proposes a kind of terminal, the terminal include shell, be set to it is described The intracorporal terminal body of shell and such as above-mentioned display screen, the display screen is set on the shell.
Technical solution of the present invention provides the side of light source by using the movement backlight for the array of display substrate Formula adjusts the refreshing frequency of the round-trip travel frequency of the backlight to more than the array of display substrate, so that the backlight Lamp is less than the resolution capability of human eye for the interval time that the array of display substrate provides light source, to improve the backlight Utilization efficiency makes it correspond to each other to guarantee that the array of display substrate under the premise of being capable of providing good image quality, is reduced Quantity of light source is to achieve the purpose that lower production cost and reduce energy consumption.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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 invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the display screen of the invention;
Fig. 2 is the flow diagram of the control method first embodiment of the display screen of the invention;
Fig. 3 is the flow diagram of the control method second embodiment of the display screen of the invention;
Fig. 4 is the flow diagram of the control method 3rd embodiment of the display screen of the invention.
Drawing reference numeral explanation:
Label Title Label Title
1 Backlight 2 Array of display substrate
3 Supporting back board
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.
The invention proposes a kind of display screens, please refer to Fig. 1, and the display screen includes: 2 plate of display surface and backlight 1, institute State that backlight 1 is set to 2 lower section of the array of display substrate and the relatively described array of display substrate 2 does back and forth movement.
The lower section of the array of display substrate 2 is arranged in the backlight 1, shows described in the light beam directive that light source is issued Array substrate 2 provides light for the array of display substrate 2.The array of display substrate 2 is divided for several regions, the back Light lamp 1 is moved back and forth between several regions of the array of display substrate 2 to light the array of display substrate 2, to make The each region obtained on the array of display substrate 2 is in " flashing " state, i.e., the described backlight 1 is moved to the display surface 2 A certain region below when, which is lighted, and after the backlight 1 is moved to other positions, then the region is dimmed.However Since the very fast namely round-trip frequency of the travel frequency of the backlight 1 is very fast, human eye can not identify the array of display base The dimmed state in each region on plate 2, so that realizing that the array of display substrate 2 is in visual effect is always on state.To Achieve the purpose that reduce quantity of light source.
When the array of display substrate 2 is larger, backlight described in muti-piece can be set below the array of display substrate 2 1, the array of display substrate 2 is divided for multiple regions, each backlight 1 correspondence lights a region, i.e., in the corresponding area Back and forth movement is done in the position in domain, longer to avoid the resetting time that single backlight 1 is arranged, so that on the array of display substrate There is blackspot.
It is appreciated that there are certain light areas since the backlight 1 is usually divergence expression light source.Therefore exist When the moving range of the backlight 1 is set, it is only necessary to guarantee that the light area of the backlight 1 can cover the display Array substrate 2.For example, when the illumination range of the backlight 1 be the half of array of display substrate 2 when, can will be described The initial position of backlight 1 is arranged at a quarter position of the relatively described array of display substrate 2, and end position is arranged in phase At 3/4ths positions of the array of display substrate 2.To reduce the moving distance of the backlight 1, further decrease Energy consumption reduces production cost.
Technical solution of the present invention provides light source by using the movement backlight group 1 for the array of display substrate 2 Mode, the refreshing frequency of the round-trip travel frequency of the backlight 1 to more than the array of display substrate 2 is adjusted, so that institute Stating backlight 1 is that the array of display substrate 2 provides resolution capability of the interval time less than human eye of light source, thus described in improving The utilization efficiency of backlight 1 makes it correspond to each other to guarantee the array of display substrate 2 before being capable of providing good image quality It puts, reduces quantity of light source to achieve the purpose that lower production cost and reduce energy consumption.
Specifically, as shown in Figure 1, the display screen further includes branch described in driving motor (not shown) and supporting back board 3 Support backboard 3 is fixed on 2 lower section of array of display substrate, and the backlight 1 is set in the supporting back board 3, the driving Motor is connect to drive the backlight 1 to do back and forth movement, the backlight 1 in the supporting back board 3 with the backlight 1 The direction of motion and the array of display substrate 2 carry out picture element scan when direction it is identical or opposite.It is appreciated that the backlight Lamp 1 does back and forth movement in the supporting back board 3, when the backlight starts mobile, moving direction and the display battle array The direction of 2 picture element scan of column substrate be it is identical, when the travel frequency of the backlight 1 is greater than the array of display substrate 2 When scan frequency, when the array of display substrate 2 does not complete single pass also, the backlight 1 starts to return, so as to cause It is contrary with the picture element scan.
The present invention includes but is not limited to above scheme, can also be sliding by the way that one is arranged below the array of display substrate 2 Screw rod is moved to realize the back and forth movement of the backlight 1.
Specifically, the backlight 1 does periodical back and forth movement below the array of display substrate 2, wherein the back The roundtrip frequency of light lamp 1 is greater than or equal to the picture element scan frequency of the array of display substrate 2.On the array of display substrate 2 Control circuit with several pixel elements and for several pixel elements to be carried out with picture element scan, the control circuit It is electrically connected respectively with several pixel elements.The control circuit carries out the pixel element on the array of display substrate 2 Progressive scan, i.e., apply voltage on the pixel element, open the pixel element so that the light beam of the backlight 1 can It is lighted through pixel element realization.Under normal conditions, the scan frequency of the pixel element namely the array of display base The refresh rate of plate 2 is typically set to 60Hz or 120Hz etc., this frequency is much larger than the resolution frequency of human eye, therefore works as the backlight 1 Round-trip frequency be greater than 2 refresh rate of array of display substrate when, human eye can not equally tell 1 point of the backlight " flashing " phenomenon generated when the bright array of display substrate 2, to guarantee the smoothness of picture on the array of display substrate 2 Property, the case where avoiding user from blackspot or brightness irregularities occur when watching the array of display substrate 2.
It should be noted that the display screen can also include controller, the controller respectively with the backlight circuit And control circuit connection, pixel element on the array of display substrate 2 is by the control circuit by current scan position The controller is fed back to, the controller then passes through the backlight circuit and controls the backlight 1 according to receiving Scan position is moved to target position.For example, then movement makes the backlight 1 when the pixel element scans through certain a line Light area is covered on the pixel element of the row, realizes that row lights the array of display substrate 2.By making the backlight 1 Versus scan location is moved, to guarantee the stability of 2 picture of array of display substrate, avoids the occurrence of blackspot or illumination Non-uniform situation.
As one embodiment, Fig. 1 is please referred to, the array of display substrate 2 is equal to the roundtrip frequency of the backlight 1 Picture element scan frequency for, the illumination range of the backlight 1 is set as the half of the slightly larger than described array of display substrate 2, 1 initial position of backlight be relative to the 2 a quarter position of array of display substrate at, to light the array of display The top half of substrate 2, i.e., the area A of the described array of display substrate 2.
From the area A to the progressive scan of the area B, (scanning direction is by the area A to pixel element at this time on the array of display substrate 2 To the area B), while current scan position is sent to controller by the control circuit by the array of display substrate 2, with reality When monitor the scan position;The controller then passes through the backlight circuit and controls the backlight 1 according to the institute received It states scan position and is moved to target position, to realize that the backlight 1 can be moved according to the scan position, to make The illumination range for obtaining the backlight 1 can cover the scan position of presently described array of display substrate 2.
When monitoring that the scan position reaches the area the A half position of the array of display substrate 2, the control Device then controls the backlight 1 and moves along scanning direction;The rate travel of the backlight 1 and the array of display substrate at this time The sweep speed of pixel element is identical on 2, it can thus be appreciated that when the scan position reaches the area the A end of the array of display substrate 2 When tail, the backlight 1 is then moved at relatively described 3/2nds four position of array of display substrate to light the array of display The lower portion of substrate 2, i.e., the area B of the described array of display substrate 2.When the scan position reaches the array of display substrate 2 The area B half position when, the controller then controls the backlight 1 and moves along the direction opposite with scanning direction; At this time since the illumination range of the backlight 1 is slightly larger than the half of the array of display substrate 2, even if the backlight It still is able to guarantee that the area B of the array of display substrate is lit when mobile toward opposite direction.The backlight after the completion of the scanning Lamp is reset to the initial position, so far completes a frame picture.
It is appreciated that in the present embodiment, including but not limited to above scheme, the present invention can also be by adjusting the back The travel frequency of light lamp 1, or the illumination range of the adjustment backlight 1, to adapt to the array of display of different volumes, shape size Substrate 2.Only need to guarantee that the travel frequency of the backlight 1 is greater than the scan frequency of the array of display substrate 2, In, the travel frequency of the backlight 1 can be the integral multiple of 2 scan frequency of array of display substrate, so that display screen Display is more uniform.
Specifically, the display screen further includes backlight circuit, the backlight circuit is electrically connected with the backlight, the back Optical circuit is greater than the picture element scan of the array of display substrate for controlling the backlight flashing, the backlight flicker frequency Frequency.In order to further increase energy-saving efficiency, when the backlight 1 is when lighting on the array of display substrate, by its script The state that is always on be changed into flashing state, when the backlight 1 flicker frequency be greater than the array of display substrate 2 pixel sweep When retouching frequency, then it is far longer than the discernmible frequency of human eye, therefore realize under the premise of guaranteeing image quality, improves this hair The energy-saving efficiency of obvious display screen.
In addition, to solve the above problems, referring to figure 2., Fig. 2 is a kind of display panel control method first embodiment of the present invention Idiographic flow schematic diagram, the display panel control method the following steps are included:
Step S10: when the display screen is lighted, the backlight of the display screen opposite institute below array of display substrate is controlled It states array of display substrate and does back and forth movement.
The lower section of the array of display substrate 2 is arranged in the backlight 1, shows described in the light beam directive that light source is issued Array substrate 2 provides light for the array of display substrate 2.The array of display substrate 2 is divided for several regions, the back Light lamp 1 is moved back and forth between several regions of the array of display substrate 2 to light the array of display substrate 2, to make The each region obtained on the array of display substrate 2 is in " flashing " state, i.e., the described backlight 1 is moved to the display surface 2 A certain region below when, which is lighted, and after the backlight 1 is moved to other positions, then the region is dimmed.However Since the very fast namely round-trip frequency of the travel frequency of the backlight 1 is very fast, human eye can not identify the array of display base The dimmed state in each region on plate 2, so that realizing that the array of display substrate 2 is in visual effect is always on state.To Achieve the purpose that reduce quantity of light source.
It is appreciated that muti-piece can be arranged below the array of display substrate 2 when the array of display substrate 2 is larger The backlight 1 divides the array of display substrate 2 for multiple regions, each backlight 1 correspondence lights a region, i.e., Back and forth movement is done in the position in the corresponding region, it is longer to avoid the resetting time that single backlight 1 is arranged, so that the display Occurs blackspot in array substrate.
Technical solution of the present invention provides light source by using the movement backlight group 1 for the array of display substrate 2 Mode, the travel frequency of the backlight 1 to more than the refreshing frequency of the array of display substrate 2 are adjusted, so that the back Light lamp 1 is that the array of display substrate 2 provides resolution capability of the interval time less than human eye of light source, to improve the backlight The utilization efficiency of lamp 1 makes it correspond to each other to guarantee the array of display substrate 2 in the premise for being capable of providing good image quality Under, quantity of light source is reduced to achieve the purpose that lower production cost and reduce energy consumption.
Further, referring to figure 3., Fig. 3 is second implementation of the display screen of the invention control method based on first embodiment Example idiographic flow schematic diagram, the step S10 specifically includes the following steps:
Step S11: the scan position of the picture element scan on array of display substrate is obtained;
There are several pixel elements and for carrying out pixel to several pixel elements on the array of display substrate 2 The control circuit of scanning, the control circuit progressively scans the pixel element on the array of display substrate 2, and will work as Preceding scan position (namely scanning to the pixel element of current line) feeds back to controller, thus array of display base described in real-time monitoring The scan position of pixel element on plate.
Step S12: the target position of the backlight is determined according to the scan position;
Step S13: backlight described in real-time control moves to the corresponding target position of the scan position.
The controller then controls the backlight 1 by the backlight circuit after detecting current scan position It is moved to target position according to the scan position received, when the pixel element scans through certain a line, the backlight Lamp, which is then moved to, is covered on light area on the pixel element of the row, realizes that row lights the array of display substrate 2.By making The backlight versus scan location is moved, to guarantee the stability of 2 picture of array of display substrate, is avoided the occurrence of Blackspot or the even situation of uneven illumination.
It should be noted that there are certain difference for illumination range, therefore due to the model of backlight 1, of different sizes There is also certain differences for its preset initial position, for example, it is array of display substrate that the illumination range for working as the backlight 1, which is, When 2 half, the initial position of the backlight 1 can be arranged in a quarter position of the relatively described array of display substrate 2 Place, end position are arranged at 3/4ths positions of the relatively described array of display substrate 2.Also, work as the array of display base When scan position is fallen into except the illumination range of the backlight 1 on plate 2, the backlight 1 is then needed according to the scanning position It sets and is moved to its corresponding position to be lighted, to guarantee that the array of display substrate 2 is being capable of providing good image quality.It can To understand, since the size of the display surface is different, the speed of scanning is also corresponding different, the mobile speed of the backlight Degree need to meet the speed more than or equal to the scanning, can avoid the blackspot on eye-observation to the array of display substrate Or the phenomenon that uneven illumination is even.
Further, referring to figure 4., Fig. 4 is that the display screen of the invention control method is implemented based on the third of second embodiment Example idiographic flow schematic diagram, the array of display substrate are divided into several areas from the scanning starting position of pixel element to end position Domain, the display panel control method further include:
Step S20: it when the scan position is located at predeterminable area position, executes described determining according to the scan position The target position of the backlight.
One predeterminable area is set on the array of display substrate 2, and the predeterminable area is 1 initial position of backlight When illumination range boundary swept described in expression when pixel element is scanned to the predeterminable area on the array of display substrate 2 It retouches position to fall into other than the illumination range of backlight 1, the backlight 1 starts mobile to light the scan position at this time.
The illumination range of the backlight 1 is set as the half of the slightly larger than described array of display substrate 2,
1 initial position of backlight be relative to the 2 a quarter position of array of display substrate at, it is described to light The top half of array of display substrate 2, i.e., the area A of the described array of display substrate 2.
From the area A to the progressive scan of the area B, (scanning direction is by the area A to pixel element at this time on the array of display substrate 2 To the area B), while current scan position is sent to controller by the control circuit by the array of display substrate 2, with reality When monitor the scan position;The controller then passes through the backlight circuit and controls the backlight 1 according to the institute received It states scan position and is moved to target position, to realize that the backlight 1 can be moved according to the scan position, to make The illumination range for obtaining the backlight 1 can cover the scan position of presently described array of display substrate 2.
When monitoring that the scan position reaches the area the A half position of the array of display substrate 2, the control Device then controls the backlight 1 and moves along scanning direction;The rate travel of the backlight 1 and the array of display substrate at this time The sweep speed of pixel element is identical on 2, it can thus be appreciated that when the scan position reaches the area the A end of the array of display substrate 2 When tail, the backlight 1 is then moved at relatively described 3/2nds four position of array of display substrate to light the array of display The lower portion of substrate 2, i.e., the area B of the described array of display substrate 2.When the scan position reaches the array of display substrate 2 The area B half position when, the controller then controls the backlight 1 and moves along the direction opposite with scanning direction; At this time since the illumination range of the backlight 1 is slightly larger than the half of the array of display substrate 2, even if the backlight It still is able to guarantee that the area B of the array of display substrate is lit when mobile toward opposite direction.The backlight after the completion of the scanning Lamp is reset to the initial position, so far completes a frame picture.
Further, it is round-trip to do the period for the backlight 1 relatively described array of display substrate below array of display substrate 2 Movement, the travel frequency of the backlight 1 are greater than or equal to the picture element scan frequency of the array of display substrate 2, and the present invention is also Can be by adjusting the travel frequency of the backlight 1, or the illumination range of the adjustment backlight 1, with adapt to different volumes, The array of display substrate 2 of shape size.Only need to guarantee that the travel frequency of the backlight 1 is greater than the array of display substrate 2 Scan frequency, wherein the travel frequency of the backlight 1 can be the whole of 2 scan frequency of array of display substrate Several times, so that display screen is shown more uniformly.
In addition, to solve the above problems, the present invention also proposes a kind of terminal, the terminal include shell, be set to it is described The intracorporal terminal body of shell and such as above-mentioned display screen, the display screen is set on the shell.The terminal can be Television set or smart phone etc..Technical solution of the present invention is mentioned by using the movement backlight for the array of display substrate For the mode of light source, the travel frequency of the backlight to more than the refreshing frequency of the array of display substrate are adjusted, so that institute The resolution capability that backlight is less than human eye for the interval time that the array of display substrate provides light source is stated, to improve the back The utilization efficiency of light lamp makes it correspond to each other to guarantee the array of display substrate in the premise for being capable of providing good image quality Under, quantity of light source is reduced to achieve the purpose that lower production cost and reduce energy consumption.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (10)

1. a kind of display screen, which is characterized in that the display screen includes: array of display substrate and backlight, and the backlight is set It is placed in below the array of display substrate and the relatively described array of display substrate does back and forth movement.
2. display screen according to claim 1, which is characterized in that the display screen further includes driving motor and support back Plate, the supporting back board are fixed below the array of display substrate, and the backlight is set in the supporting back board, described Driving motor is connect to drive the backlight to do back and forth movement, the backlight in the supporting back board with the backlight The direction of motion and the array of display substrate carry out picture element scan when direction it is identical or opposite.
3. display screen according to claim 1 or 2, which is characterized in that the backlight is under the array of display substrate Do periodical back and forth movement in side, wherein the roundtrip frequency of the backlight is greater than or equal to the pixel of the array of display substrate Scan frequency.
4. display screen according to claim 3, which is characterized in that the roundtrip frequency of the backlight is equal to the display battle array The picture element scan frequency of column substrate, the backlight initial position are relative to the array of display substrate a quarter position Place.
5. display screen according to claim 1 or 2, which is characterized in that the display screen further includes backlight circuit, the back Optical circuit is electrically connected with the backlight, and the backlight circuit is for controlling the backlight flashing, the backlight flashing frequency Rate is greater than the picture element scan frequency of the array of display substrate.
6. a kind of display panel control method, which is characterized in that the display panel control method the following steps are included:
When the display screen is lighted, the backlight of the display screen relatively described array of display base below array of display substrate is controlled Plate does back and forth movement.
7. display panel control method according to claim 6, which is characterized in that described when the display screen is lighted, control The backlight of display screen processed includes: the step of the relatively described array of display substrate does back and forth movement below array of display substrate
Obtain the scan position of the picture element scan on array of display substrate;
The target position of the backlight is determined according to the scan position;
Backlight described in real-time control moves to the corresponding target position of the scan position.
8. display panel control method according to claim 7, which is characterized in that the array of display substrate is from picture element scan Initial position be divided into several regions, the display panel control method to end position further include:
When the scan position is located at predeterminable area position, execution is described to determine the backlight according to the scan position Target position.
9. according to the described in any item display panel control methods of claim 6-8, which is characterized in that the backlight is in display battle array The relatively described array of display substrate does period back and forth movement below column substrate, and the roundtrip frequency of the backlight is greater than or equal to institute State the picture element scan frequency of array of display substrate.
10. a kind of terminal, which is characterized in that the terminal includes shell, is set to the intracorporal terminal body of the shell and such as Display screen of any of claims 1-5, the display screen are set on the shell.
CN201811652768.1A 2018-12-29 2018-12-29 Display screen and its control method, terminal Pending CN109785802A (en)

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US11003023B2 (en) * 2018-05-09 2021-05-11 Huizhou China Star Optoelectronics Technology Co., Ltd. Dynamic light-mixing method of backlight module

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Application publication date: 20190521