CN104575406A - Method for driving backlight plate as well as time sequence controller and backlight driving plate - Google Patents
Method for driving backlight plate as well as time sequence controller and backlight driving plate Download PDFInfo
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- CN104575406A CN104575406A CN201510066875.6A CN201510066875A CN104575406A CN 104575406 A CN104575406 A CN 104575406A CN 201510066875 A CN201510066875 A CN 201510066875A CN 104575406 A CN104575406 A CN 104575406A
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Abstract
The invention provides a method for driving a backlight plate as well as a time sequence controller and a backlight driving plate. By adopting the method, the time sequence controller and the backlight driving plate, a signal for adjusting the brightness of backlight emitted by the backlight plate is determined to be transmitted to the backlight driving plate by judging whether a to-be-displayed image is a black image so as to ensure that the brightness of the backlight namely a light-leaking area can be reduced when the to-be-displayed image is the black image, and the influences of leaked light to image display can be slowed down. The method comprises the following steps: judging whether the to-be-displayed image which needs to be displayed to an display area currently is the black image; if the to-be-displayed image is the black image, transmitting a signal for reducing the brightness of the backlight emitted by the backlight plate to the backlight driving plate; and otherwise, transmitting a signal for increasing the brightness of the backlight emitted by the backlight plate to the backlight driving plate.
Description
Technical field
The present invention relates to display technique field, particularly relate to the method and time schedule controller, backlight drive board that drive backlight.
Background technology
Along with user is to the progressively raising of the requirement of display image definition, Display panel combination is also more and more extensive.Wherein, Display panel combination is the mode by splicing, by the combination of high-resolution display panel combination.The liquid crystal display combined by the mode of splicing is generally IPS liquid crystal display or FFS liquid crystal display, due to the error of manufacture craft aspect, the edge of partial liquid crystal display panel will be caused to tilt, thus cause this display panel when showing black picture, the backlight sent from backlight 101 will without display panel 102 in the edge of display panel, directly send, as shown in Fig. 1 a encircled portion.And along with the piece between display panel more and more narrow, light leakage phenomena during corresponding display black picture is also more serious, even affects the judgement to the image shown, as shown in Figure 1 b.In sum, the leakage problem that solution display panel produces when black picture is badly in need of at present.
Summary of the invention
The invention provides a kind of method and time schedule controller, the backlight drive board that drive backlight, in order to pass through to judge whether image to be displayed is black image, determine the signal sending the brightness for the backlight regulating backlight to send to backlight drive board, thus when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
A kind of method driving backlight that the embodiment of the present invention provides, the method comprises:
Judge whether the current image to be displayed needing to be shown to viewing area is black image;
If described image to be displayed is black image, then send the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
Pass through the method, judge whether image to be displayed is black image, determine the signal sending the brightness for the backlight regulating backlight to send to backlight drive board, thus when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Preferably, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends.
By determining that image to be displayed is black image, send the signal for closing the backlight that backlight sends, thus realize light leak region also show black by closing the backlight that sends of backlight, avoid the impact of light leak on the display image of black.
Preferably, describedly judge whether the current image to be displayed needing to be shown to viewing area is black image, comprising:
Determine that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero;
If the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determine that this image to be displayed is black image; Otherwise determine that this image to be displayed is not black image, wherein, described preset range is determine according to the intensity of noise.
Preferably, if the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determine that this image to be displayed is black image, comprising:
In described GTG described image to be displayed shared by the pixel of zero, the ratio of all pixels is greater than 99.5%, then determine that this image to be displayed is black image.
A kind of method driving backlight that the embodiment of the present invention provides, the method comprises:
Receive the signal that time schedule controller sends the brightness for adjusting the backlight that backlight sends;
If the signal received is the signal of the brightness of the backlight sent for reducing backlight, then reduce the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
By the method, according to the brightness of the signal adjustment backlight received, can realize when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Preferably, the signal received if described is the signal of the brightness of the backlight sent for reducing backlight, then reduce the brightness of backlight, comprising:
If the signal received is the signal of the brightness for closing the backlight that backlight sends, then close backlight.
According to the signal at stop backlight received, thus realize when showing black image, light leak region also shows black, avoids the impact of light leak on the display image of black.
Preferably, if be less than 1.2 volts for the magnitude of voltage of the signal of the brightness of closing the backlight that backlight sends, then backlight is closed; If be greater than 2.2 volts for the magnitude of voltage of the signal of the brightness that increases the backlight that backlight sends and be less than 3.3 volts, then open backlight.
A kind of time schedule controller that the embodiment of the present invention provides, this time schedule controller comprises:
Judge module, for judging whether the current image to be displayed needing to be shown to viewing area is black image;
Adjustment signaling module, if be black image for described image to be displayed, then sends the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
By this time schedule controller, judge whether image to be displayed is black image, determine the signal sending the brightness for the backlight regulating backlight to send to backlight drive board, thus when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Preferably, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends.
By determining that image to be displayed is black image, send the signal for closing the backlight that backlight sends, thus realize light leak region also show black by closing the backlight that sends of backlight, avoid the impact of light leak on the display image of black.
Preferably, described judge module, specifically for:
Determine that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero;
If the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determine that this image to be displayed is black image; Otherwise determine that this image to be displayed is not black image, wherein, described preset range is determine according to the intensity of noise.
Preferably, if the ratio of described judge module all pixels in described GTG described image to be displayed shared by the pixel of zero meets preset range, then when determining that this image to be displayed is black image, specifically for:
In described GTG described image to be displayed shared by the pixel of zero, the ratio of all pixels is greater than 99.5%, then determine that this image to be displayed is black image.
A kind of backlight drive board that the embodiment of the present invention provides, this backlight drive board comprises:
Received signal strength module, sends the signal of the brightness for adjusting the backlight that backlight sends for receiving time schedule controller;
Adjustment backlight module, if the signal for receiving is the signal of the brightness of the backlight sent for reducing backlight, then reduces the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
By this backlight drive board, by the method, according to the brightness of the signal adjustment backlight received, can realize when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Preferably, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends;
If described adjustment backlight module is the signal of the brightness of the backlight sent for reducing backlight at the signal received, then when reducing the brightness of backlight, specifically for:
If the signal received is the signal of the brightness for closing the backlight that backlight sends, then close backlight.
By this backlight drive board, according to the brightness of the signal adjustment backlight received, can realize when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Preferably, described adjustment backlight module, specifically for:
If be less than 1.2 volts for the magnitude of voltage of the signal of the brightness of closing the backlight that backlight sends, then close backlight; If be greater than 2.2 volts for the magnitude of voltage of the signal of the brightness that increases the backlight that backlight sends and be less than 3.3 volts, then open backlight.
Accompanying drawing explanation
The schematic diagram of light leakage phenomena is there is in Fig. 1 a when being and causing in prior art showing black image;
Fig. 1 b is the design sketch of the display panel generation light leakage phenomena of existing splicing;
Fig. 2 is in time schedule controller side, a kind of schematic flow sheet driving the method for backlight provided by the invention;
The schematic flow sheet of Fig. 3 to be judgement image to be displayed provided by the invention be method of black image;
Fig. 4 is in backlight drive board side, a kind of schematic flow sheet driving the method for backlight provided by the invention;
Fig. 5 is the structural representation of a kind of time schedule controller provided by the invention;
Fig. 6 is the structural representation of a kind of backlight drive board provided by the invention;
Fig. 7 is the structural representation of backlight provided by the invention;
A kind of schematic flow sheet driving the method for backlight that Fig. 8 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of method and time schedule controller, the backlight drive board that drive backlight, in order to pass through to judge whether image to be displayed is black image, determine the signal sending the brightness for the backlight regulating backlight to send to backlight drive board, thus when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 2, in time schedule controller side, the invention provides a kind of method driving backlight, the method comprises:
S201, judge whether the current image to be displayed needing to be shown to viewing area is black image;
If the described image to be displayed of S202 is black image, then send the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
Wherein, as shown in Figure 3, step S201 judges that image to be displayed is the method for black image, specifically comprises:
S301, determine that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero;
S302, GTG be zero the pixel ratio that accounts for all pixels in image to be displayed whether meet preset range, if so, then perform step S303, otherwise, perform step S304.Wherein, described preset range can be determined according to the intensity of noise, and concrete value carries out arranging according to actual needs, and the embodiment of the present invention is not construed as limiting.
S303, determine that this image to be displayed is black image.
S304, determine that this image to be displayed is not black image.
Particularly, if described image to be displayed is black image, then the voltage of backlight control signal (Back LightControl, BLON) is dragged down, make when to receive backlight control signal be logic low-voltage to backlight drive board, will the brightness of backlight be reduced.
Particularly, if described image to be displayed is black image, then the voltage of backlight control signal is pulled low to default closedown backlight magnitude of voltage, makes, when to receive backlight control signal be logic low-voltage to backlight drive board, will backlight be closed; Otherwise, the voltage of backlight control signal is increased to default unlatching backlight magnitude of voltage, makes, when to receive backlight control signal be logic high voltage to backlight drive board, will backlight be opened.
See Fig. 4, in backlight drive board side, the invention provides a kind of method driving backlight, the method comprises:
S401, reception time schedule controller send the signal of the brightness for adjusting the backlight that backlight sends;
If the signal that S402 receives is the signal of the brightness of the backlight sent for reducing backlight, then reduce the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
Particularly, if the voltage of the signal received is logic low-voltage, then the brightness of backlight is reduced; If the voltage of the signal received is logic high voltage, then increase the brightness of backlight.
Particularly, if the voltage of the signal received is logic low-voltage, then backlight is closed; If the voltage of the signal received is logic high voltage, then open backlight.
See Fig. 5, the invention provides a kind of time schedule controller, this time schedule controller comprises:
Judge module 501, for judging whether the current image to be displayed needing to be shown to viewing area is black image;
Adjustment signaling module 502, if be black image for described image to be displayed, then sends the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
Particularly, described judge module 501 is first for determining that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero; Then described judge module 501 will be used for determining whether this image to be displayed is black image, in even described GTG described image to be displayed shared by the pixel of zero, the ratio of all pixels meets preset range, then described judge module 501 determines that this image to be displayed is black image; Otherwise determine that this image to be displayed is not black image, wherein, described preset range is determine according to the intensity of noise.
Particularly, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends.
See Fig. 6, the invention provides a kind of backlight drive board, this backlight drive board comprises:
Received signal strength module 601, sends the signal of the brightness for adjusting the backlight that backlight sends for receiving time schedule controller;
Adjustment backlight module 602, if the signal for receiving is the signal of the brightness of the backlight sent for reducing backlight, then reduces the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
Particularly, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends;
If described adjustment backlight module 602 is the signal of the brightness of the backlight sent for reducing backlight at the signal received, then when reducing the brightness of backlight, specifically for:
If the signal received is the signal of the brightness for closing the backlight that backlight sends, then close backlight.
For the method for driving backlight provided by the invention better can be understood, be described below in conjunction with accompanying drawing 7, accompanying drawing 8 pairs of embodiments.
Backlight as shown in Figure 7 is known, and this backlight comprises: for whole backlight drive system provides the power panel Power Board 701 of power supply signal, system board System Board 702, time schedule controller TCONBoard 703 and backlight drive board Converter 704;
Wherein, described power panel 701 is connected with described system board 702 by interface 707;
Described system board 702 is connected with described time schedule controller 703 by interface 708, is connected with external system processor by interface 705; External system processor there is no embodiment at Fig. 7;
Described time schedule controller 703 is connected with described by interface 709, is connected with display panel by interface 706; This display panel there is no embodiment at Fig. 7.
Described system board 702 receives the current signal needing the image to be displayed being shown to viewing area from external system processor, and this signal is converted into the discernible digital signal of described time schedule controller, and this digital signal is sent to described time schedule controller 703, the simulating signal received is converted into the drive singal of display panel by this time schedule controller 703.Simultaneously, by the digital signal being used for showing image to be displayed received, by the conversion of high-low pressure, obtain the backlight control signal BLON of the duty for controlling backlight drive board, and this backlight control signal is sent to backlight drive board 704.The height of the voltage according to backlight control signal BLON is controlled backlight (Back Light Unit by backlight drive board 704, BLU) unlatching or closedown, wherein, backlight drive board 704 also can control the brightness of backlight by backlight control signal BLON.
According to the structure in backlight, in backlight, control the brightness of backlight mainly through time schedule controller 703 and backlight drive board 704.Illustrate that the lower embodiment of the present invention drives the method for backlight below in conjunction with Fig. 8.
S801, determine that in image to be displayed, GTG is the pixel of zero by judge module 501;
If the ratio of all pixels is greater than 99.5% in the described GTG of S802 described image to be displayed shared by the pixel of zero, then judge module 501 determines that this image to be displayed is black image; Otherwise, determine that this image to be displayed is not black image, and judged result sent to adjustment signaling module 502;
If the judged result that S803 adjustment signaling module 502 receives is image to be displayed is black image, the voltage of backlight control signal BLON is pulled low to default closedown backlight magnitude of voltage, make, when to receive backlight control signal be logic low-voltage to backlight drive board, to close backlight; Otherwise, the voltage of backlight control signal BLON is increased to default unlatching backlight magnitude of voltage, makes, when to receive backlight control signal be logic high voltage to backlight drive board, to open backlight;
S804, to backlight drive board 704 send regulate after backlight control signal BLON;
S805, Received signal strength module 601 receive the backlight control signal BLON that time schedule controller 703 sends the brightness for adjusting the backlight that backlight sends, and this signal are sent to adjustment backlight module 602;
If the magnitude of voltage of S806 backlight control signal BLON is less than 1.2 volts, then determine that this BLON is for closing backlight signal, closes backlight; If the magnitude of voltage of the signal received is greater than 2.2 volts and the magnitude of voltage of this signal is less than 3.3 volts, then determine that this BLON is for opening backlight signal, opens backlight.
Wherein, also by the magnitude of voltage of default backlight control signal BLON and the corresponding relation of backlight display brightness, the brightness that backlight shows is determined.
Preferably, judge module 501 described in the embodiment of the present invention, described adjustment signaling module 502, described Received signal strength module 601 and described adjustment backlight module 602 all can be realized by processor.
In sum, the invention provides a kind of method and time schedule controller, the backlight drive board that drive backlight, by judging whether image to be displayed is black image, determine the signal sending the brightness for the backlight regulating backlight to send to backlight drive board, thus when image to be displayed is black image, reduce the brightness that namely backlight reduces light leak region, slow down the impact that light leak shows image; And when image to be displayed is black image, completely avoid the impact of light leak on the display image of black by closing backlight; Because the present invention has only set up the judge module of black image, the technology therefore comparing other solution light leakage phenomena is compared, and the present invention not only reduces operand and hardware cost, also because not needing to compensate to image to be displayed the problem avoiding image fault.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.11 -->
Claims (14)
1. drive a method for backlight, it is characterized in that, the method comprises:
Judge whether the current image to be displayed needing to be shown to viewing area is black image;
If described image to be displayed is black image, then send the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
2. method according to claim 1, is characterized in that, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends.
3. method according to claim 2, is characterized in that, describedly judges whether the current image to be displayed needing to be shown to viewing area is black image, comprising:
Determine that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero;
If the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determine that this image to be displayed is black image; Otherwise determine that this image to be displayed is not black image, wherein, described preset range is determine according to the intensity of noise.
4. method according to claim 3, is characterized in that, if the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determines that this image to be displayed is black image, comprising:
In described GTG described image to be displayed shared by the pixel of zero, the ratio of all pixels is greater than 99.5%, then determine that this image to be displayed is black image.
5. drive a method for backlight, it is characterized in that, the method comprises:
Receive the signal that time schedule controller sends the brightness for adjusting the backlight that backlight sends;
If the signal received is the signal of the brightness of the backlight sent for reducing backlight, then reduce the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
6. method according to claim 5, is characterized in that, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends;
If the signal received described is the signal of the brightness of the backlight sent for reducing backlight, then reduce the brightness of backlight, comprising:
If the signal received is the signal of the brightness for closing the backlight that backlight sends, then close backlight.
7. method according to claim 6, is characterized in that, if be less than 1.2 volts for the magnitude of voltage of the signal of the brightness of closing the backlight that backlight sends, then closes backlight; If be greater than 2.2 volts for the magnitude of voltage of the signal of the brightness that increases the backlight that backlight sends and be less than 3.3 volts, then open backlight.
8. a time schedule controller, is characterized in that, this time schedule controller comprises:
Judge module, for judging whether the current image to be displayed needing to be shown to viewing area is black image;
Adjustment signaling module, if be black image for described image to be displayed, then sends the signal of the brightness of the backlight sent for reducing backlight to backlight drive board; Otherwise, then the signal of the brightness for increasing the backlight that backlight sends is sent to backlight drive board.
9. time schedule controller according to claim 8, is characterized in that, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends.
10. time schedule controller according to claim 9, is characterized in that, described judge module, specifically for:
Determine that current to need to be shown to GTG in the image to be displayed of viewing area be the pixel of zero;
If the ratio of all pixels meets preset range in described GTG described image to be displayed shared by the pixel of zero, then determine that this image to be displayed is black image; Otherwise determine that this image to be displayed is not black image, wherein, described preset range is determine according to the intensity of noise.
11. time schedule controllers according to claim 10, it is characterized in that, if the ratio of described judge module all pixels in described GTG described image to be displayed shared by the pixel of zero meets preset range, then when determining that this image to be displayed is black image, specifically for:
In described GTG described image to be displayed shared by the pixel of zero, the ratio of all pixels is greater than 99.5%, then determine that this image to be displayed is black image.
12. 1 kinds of backlight drive boards, is characterized in that, this backlight drive board comprises:
Received signal strength module, sends the signal of the brightness for adjusting the backlight that backlight sends for receiving time schedule controller;
Adjustment backlight module, if the signal for receiving is the signal of the brightness of the backlight sent for reducing backlight, then reduces the brightness of backlight; If the signal received is the signal of the brightness for increasing the backlight that backlight sends, then increase the brightness of backlight.
13. backlight drive boards according to claim 12, is characterized in that, the signal of the brightness of the described backlight sent for reducing backlight is the signal for closing the backlight that backlight sends;
If described adjustment backlight module is the signal of the brightness of the backlight sent for reducing backlight at the signal received, then when reducing the brightness of backlight, specifically for:
If the signal received is the signal of the brightness for closing the backlight that backlight sends, then close backlight.
14. backlight drive boards according to claim 13, is characterized in that, described adjustment backlight module, specifically for:
If be less than 1.2 volts for the magnitude of voltage of the signal of the brightness of closing the backlight that backlight sends, then close backlight; If be greater than 2.2 volts for the magnitude of voltage of the signal of the brightness that increases the backlight that backlight sends and be less than 3.3 volts, then open backlight.
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| CN201510066875.6A CN104575406A (en) | 2015-02-09 | 2015-02-09 | Method for driving backlight plate as well as time sequence controller and backlight driving plate |
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| CN201510066875.6A CN104575406A (en) | 2015-02-09 | 2015-02-09 | Method for driving backlight plate as well as time sequence controller and backlight driving plate |
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| CN105161040A (en) * | 2015-10-29 | 2015-12-16 | 小米科技有限责任公司 | Method and device for adjusting backlight intensity |
| CN105895031A (en) * | 2015-12-08 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Display light leakage improving method and device |
| WO2017107265A1 (en) * | 2015-12-21 | 2017-06-29 | 武汉华星光电技术有限公司 | Backlight adjusting method, liquid crystal display apparatus, and electronic device |
| CN107591138A (en) * | 2017-09-18 | 2018-01-16 | 青岛海信电器股份有限公司 | Content display method and device |
| CN110364123A (en) * | 2019-08-20 | 2019-10-22 | 京东方科技集团股份有限公司 | Method, apparatus, electronic equipment and the computer readable storage medium of backlight control |
| CN112105982A (en) * | 2018-05-04 | 2020-12-18 | 哈曼国际工业有限公司 | Head-up display without mirror |
| CN115267312A (en) * | 2022-08-02 | 2022-11-01 | 远峰科技股份有限公司 | ADC voltage detection compensation method, device, equipment and storage medium |
| TWI822271B (en) * | 2022-08-25 | 2023-11-11 | 大陸商北京歐錸德微電子技術有限公司 | Display driving methods, driver chips and OLED touch displays to avoid interference with touch detection |
| TWI833338B (en) * | 2022-08-25 | 2024-02-21 | 大陸商北京歐錸德微電子技術有限公司 | Display driving methods, driver chips and OLED touch displays to avoid interference with touch detection |
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Application publication date: 20150429 |