WO2019056602A1 - 液晶显示器及其驱动方法 - Google Patents

液晶显示器及其驱动方法 Download PDF

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Publication number
WO2019056602A1
WO2019056602A1 PCT/CN2017/116273 CN2017116273W WO2019056602A1 WO 2019056602 A1 WO2019056602 A1 WO 2019056602A1 CN 2017116273 W CN2017116273 W CN 2017116273W WO 2019056602 A1 WO2019056602 A1 WO 2019056602A1
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Prior art keywords
brightness level
liquid crystal
video signal
output
crystal display
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PCT/CN2017/116273
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English (en)
French (fr)
Inventor
单剑锋
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惠科股份有限公司
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Publication of WO2019056602A1 publication Critical patent/WO2019056602A1/zh

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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 using liquid crystals

Definitions

  • Embodiments of the present application relate to a liquid crystal display and a driving method thereof, and in particular to a liquid crystal display and a driving method thereof for modifying a video signal by obtaining an offset according to a conditional expression.
  • LCDs liquid crystal displays
  • PCs personal computers
  • LCDs are smaller and lighter than CRT monitors.
  • improvements to the display performance of LCDs including low geometric distortion and high image quality. Therefore, liquid crystal displays will be the focus of mainstream display devices used in future video devices.
  • the LCD has a potential problem in response to the inter-turn difference. That is to say, in displays used in the industry, the display is refreshed at a frame rate of 60 frames per second or every 16.1 ms.
  • the response time of the current LCD from black to white is 10 to 50 ms, usually 20 to 30 ms. This means that one frame in the display is shorter than the response time of most liquid crystals.
  • the technical problem to be solved by the embodiments of the present application is to provide a liquid crystal display and a driving method thereof to effectively improve the problem of response delay.
  • a liquid crystal display device includes:
  • an input logic configured to input a video signal from a host
  • a memory configured to store a previous brightness level of the video signal input by the input logic device and a plurality of conditional expressions
  • a determiner for inputting the previous brightness level sum stored in the memory to the input logic
  • the next brightness level of the next video signal of the editor is substituted into the corresponding conditional expression to determine the output brightness level
  • a driver that drives each pixel of the image of each frame to the liquid crystal cell displaying the image based on the output brightness level determined by the determiner.
  • the liquid crystal display further includes a generator for adding the offset to the next video signal to generate an output video signal having the output brightness level.
  • the liquid crystal display further comprises an output logic for outputting the output video signal having the output brightness level to the driver.
  • the embodiment of the present application further provides a driving method for a liquid crystal display, which is applicable to a liquid crystal display including an input logic, a memory, a determiner, and a driver.
  • the driving method of the liquid crystal display includes the following steps:
  • the driving method further includes the following steps:
  • the driving method further includes the following steps:
  • the driving method further includes the following steps:
  • the embodiment of the present application further provides a liquid crystal display, including:
  • an input logic configured to input a video signal from the host
  • a memory configured to store a previous brightness level of the video signal input by the input logic device and a plurality of conditional expressions
  • a determiner configured to: substitute the previous brightness level stored in the memory and a next brightness level of a next video signal input to the input logic into the corresponding conditional expression Obtaining an offset, and adding the offset to the next brightness level to determine an output brightness level;
  • a driver driving each pixel of an image of each frame to a liquid crystal cell displaying the image based on the output brightness level determined by the determiner;
  • a generator for superimposing the offset on the next video signal to generate an output video signal having the output brightness level
  • the liquid crystal display and the driving method thereof of the present application can modify the video signal in a manner of obtaining an offset according to the conditional expression, thereby effectively improving the problem of response delay.
  • FIG. 1 is a schematic block diagram of an embodiment of a liquid crystal display of the present application.
  • FIG. 2 is a schematic diagram of compensation signals and luminances of an embodiment of a liquid crystal display of the present application.
  • FIG. 3 is a schematic block diagram of another embodiment of a liquid crystal display of the present application.
  • 4 is a flow chart of one embodiment of a driving method of a liquid crystal display of the present application.
  • 5 is a flow chart of another embodiment of a driving method of a liquid crystal display of the present application.
  • FIG. 6 is a flow chart of still another embodiment of a driving method of a liquid crystal display of the present application.
  • FIG. 7 is a schematic block diagram of still another embodiment of a liquid crystal display of the present application.
  • FIG. 8 is a flow chart of still another embodiment of a driving method of a liquid crystal display of the present application.
  • the liquid crystal display 100 of the present application includes: an input logic unit 110, a memory 120, a determiner 130, and a driver 140.
  • the input logic 110 is connected to the memory 120
  • the memory 120 is connected to the determiner 130
  • the determiner 130 is connected to the driver 140.
  • the above mentioned input logic 110 is used to input a video signal from a host.
  • the memory 120 is used to store the previous brightness level of the video signal input by the input logic 110.
  • the determiner 130 is configured to determine whether to superimpose the compensation signal based on the previous brightness level stored in the memory 120 and the next brightness level of the next video signal input to the input logic 110 (such as the Dcp field Dcp2 in FIG. 2). ) to the next video signal (as in Figure 2, D) to determine the output brightness level.
  • the driver 140 is configured to drive each pixel of the image of the video signal of each frame to the liquid crystal cell of the display image based on the output luminance level determined by the determiner 130.
  • the compensation signal can be set in the front high and low mode, the front high part can accelerate the pull-up brightness, and the same as the voltage increase, it is easier to achieve the ideal brightness; the lower part can accelerate the brightness reduction, reduce the next one Interference from video signals.
  • the waveform of the compensation signal can also have different shapes, such as a curve, a step, and the like.
  • the determiner 130 of the present application may include a lookup table that stores the liquid crystal cell brightness level determined corresponding to the previous brightness level and the next brightness level, and according to the brightness level read by the lookup table. Determine whether to superimpose the compensation signal.
  • the lookup table can be as shown in Table 1 below. [0046] Table 1
  • the corresponding liquid crystal cell brightness level can be read from the lookup table to be 98, and the next brightness bit can be known.
  • the brightness level of the corresponding liquid crystal unit is not enough, and then the determiner 130 determines that the compensation signal must be superimposed on the next video signal so that the brightness level of the next video signal can satisfy the brightness level of the liquid crystal unit.
  • the following one brightness level is 100, and the corresponding liquid crystal unit brightness level is 100, that is, the next brightness level satisfies the liquid crystal unit brightness level, so the determiner 130 determines that it is not necessary to The video signal is superimposed with a compensation signal.
  • FIG. 3 is a schematic block diagram of another embodiment of the liquid crystal display of the present application.
  • the liquid crystal display 100 can further include a generator 150 coupled to the determiner 130 for superimposing the compensation signal on the next video signal to produce an output video signal having the output brightness level.
  • the liquid crystal display 100 can further include an output logic 160 coupled to the generator 150 and the driver 140 for outputting an output video signal having the output brightness level to the driver 140.
  • FIG. 4 is a flowchart of one embodiment of a driving method of a liquid crystal display of the present application.
  • the driving method of the liquid crystal display of the present application is applicable to include an input logic, a memory
  • the liquid crystal display of the determiner and the driver includes the following steps:
  • Step S41 input a video signal from the host
  • Step S42 storing a previous brightness level of the input video signal
  • Step S43 determining whether to superimpose the compensation signal on the next video signal based on the previous brightness level and the next brightness level of the next video signal to determine the output brightness level;
  • step S44 driving each pixel of the image of each frame to the liquid crystal cell of the display image based on the determined output brightness level.
  • the determiner may further include a lookup table. Therefore, the driving method of the liquid crystal display may further include the following steps:
  • the driving method of the liquid crystal display may further include the following steps: [0060] superimposing a compensation signal to a next video signal by a generator of the liquid crystal display to generate the output brightness Level output video signal.
  • the driving method of the liquid crystal display further includes the following steps: [0062] outputting the output video signal having the output brightness level to the driver through an output logic of the liquid crystal display.
  • the embodiment of the present application further provides a liquid crystal display, including:
  • an input logic configured to input a video signal from the host
  • a memory for storing a previous brightness level of the video signal input by the input logic; [0066] a determiner, based on the previous brightness level and input to the memory stored in the memory Determining whether to superimpose the compensation signal on the next video signal to determine the output brightness level;
  • a driver driving each pixel of an image of each frame to a liquid crystal cell displaying the image based on the output brightness level determined by the determiner;
  • a generator for superimposing the compensation signal on the next video signal to generate an output video signal having the output brightness level
  • an output logic configured to output the output video signal having the output brightness level to the drive Actuator
  • the determiner includes a lookup table, where the lookup table stores a brightness level of the liquid crystal unit determined according to the previous brightness level and the next brightness level, and according to The brightness level read by the lookup table determines whether the compensation signal is superimposed.
  • the embodiment of the present application further provides a driving method for a liquid crystal display, which is applicable to a liquid crystal display including an input logic, a memory, a determiner, a driver, a generator, and an output logic, and includes the following steps:
  • the determiner includes a lookup table
  • the driving method of the liquid crystal display further includes the following steps: [0079] storing the liquid crystal determined corresponding to the previous brightness level and the next brightness level The brightness level of the unit;
  • the liquid crystal display 100 of the present application includes an input logic 110, a memory 120, a determiner 130, and a driver 140.
  • the input logic 110 is connected to the memory 120
  • the memory 120 is connected to the determiner 130
  • the determiner 130 is connected to the driver 140.
  • the above mentioned input logic 110 is used to input a video signal from a host.
  • the memory 120 is used to store the previous brightness level of the video signal input by the input logic 110.
  • the determiner 130 determines whether the state is a change state according to the change of the video signal and the next video signal, and superimposes the compensation signal (such as Dcpl or Dcp2 in FIG. 2) to the next video signal corresponding to the change state (as shown in FIG. 2). On, to determine the loss The brightness level is out.
  • the driver 140 is configured to drive each pixel of the image of the video signal of each frame to the liquid crystal cell of the display image based on the output luminance level determined by the determiner 130.
  • the compensation signal can be set in the front high and low mode, the front high part can accelerate the pull-up brightness, and the same as the voltage increase, it is easier to achieve the ideal brightness; the lower part can accelerate the brightness reduction, reduce the next one Interference from video signals.
  • the waveform of the compensation signal can also have different shapes, such as a curved shape, a stepped shape, and the like.
  • the determiner 130 of the present application may include a lookup table, where the lookup table stores the brightness level of the liquid crystal unit determined corresponding to the previous brightness level and the next brightness level, and according to the lookup table.
  • the read brightness level is judged whether it is a changed state. Taking the previous brightness level as 0 and the next brightness level as 90 as an example, the corresponding liquid crystal cell brightness level can be read from the lookup table to be 98, and the next brightness level is less than the corresponding liquid crystal cell brightness level. Then, the determiner 130 judges that it is in a changing state, and must superimpose the compensation signal on the next video signal.
  • the determiner 130 determines its non-variation state. Therefore, it is not necessary to superimpose the compensation signal on the next video signal.
  • the liquid crystal display 100 may further include a generator 150 coupled to the determiner 130 for superimposing the compensation signal on the next video signal to generate an output video signal having the output brightness level.
  • the liquid crystal display 100 can further include an output logic 160 coupled to the generator 150 and the driver 140 for outputting an output video signal having the output brightness level to the driver 140.
  • FIG. 5 is a flowchart of another embodiment of a driving method of a liquid crystal display of the present application.
  • the driving method of the liquid crystal display provided by the embodiment of the present application is applicable to a liquid crystal display including an input logic, a memory, a determiner, and a driver, and includes the following steps:
  • Step S51 input a video signal from the host
  • Step S52 storing a previous brightness level of the input video signal
  • Step S53 determining whether the state is a change state according to a change of the video signal and the next video signal thereof;
  • Step S54 superimposing the compensation signal on the next video signal corresponding to the change state to determine an output brightness level;
  • Step S55 driving each pixel of the image of each frame to the liquid crystal cell of the display image based on the determined output brightness level.
  • the determiner may further include a lookup table. Therefore, the driving method of the liquid crystal display further includes the following steps:
  • the driving method of the liquid crystal display may further include the following steps: [0096] superimposing a compensation signal to a next video signal by a generator of the liquid crystal display to generate the output brightness Level output video signal.
  • the driving method of the liquid crystal display further includes the following steps:
  • the output video signal having the output brightness level is output to the driver through an output logic of the liquid crystal display.
  • Embodiments of the present application further provide a liquid crystal display, including:
  • an input logic configured to input a video signal from the host
  • a memory configured to store a previous brightness level of the video signal input by the input logic;
  • a determiner configured to determine whether the video signal and a change of the next video signal are And changing the state, and superimposing the compensation signal corresponding to the fluctuation state to the next video signal to determine an output brightness level;
  • a driver driving each pixel of an image of each frame to a liquid crystal cell displaying the image based on the output brightness level determined by the determiner;
  • an output logic configured to output the output video signal having the output brightness level to the driver
  • the determiner includes a lookup table, where the lookup table stores a brightness level of the liquid crystal unit determined corresponding to the previous brightness level and the next brightness level, and according to The brightness level read by the lookup table determines whether the brightness level is a changed state.
  • another embodiment of the present application further provides a driving method for a liquid crystal display, which is applicable to a liquid crystal display including an input logic, a memory, a determiner, a driver, a generator, and an output logic.
  • the determiner includes a lookup table
  • the driving method of the liquid crystal display further includes the following steps: [0115] storing the liquid crystal determined corresponding to the previous brightness level and the next brightness level The brightness level of the unit;
  • the liquid crystal display 100 of the present application includes an input logic 110, a memory 120, a determiner 130, and a driver 140.
  • the input logic 110 is connected to the memory 120
  • the memory 120 is connected to the determiner 130
  • the determiner 130 is connected to the drive 140.
  • the above mentioned input logic 110 is used to input a video signal from a host.
  • the memory 120 is used to store the previous brightness level of the video signal input by the input logic unit 110 and a number of conditional expressions.
  • the determiner 130 substitutes the previous brightness level stored in the memory 120 and the next brightness level of the next video signal input to the input logic 110 into the corresponding conditional expression to determine the output brightness level.
  • the driver 140 is configured to drive each pixel of the image of the video signal of each frame to the liquid crystal cell of the display image based on the output luminance level determined by the determiner 130.
  • B i may be the previous brightness level
  • B i+1 is the next brightness level
  • the liquid crystal display 100 may further include a generator 150 coupled to the determiner 130 for adding an offset to the next video signal to generate an output video having the output brightness level. signal.
  • the liquid crystal display 100 can further include an output logic 160 coupled to the generator 150 and the driver 140 for outputting an output video signal having the output brightness level to the driver 140.
  • FIG. 6 is a flowchart of still another embodiment of a driving method of a liquid crystal display of the present application.
  • the driving method of the liquid crystal display of the present application is applicable to a liquid crystal display including an input logic, a memory, a determiner and a driver, and includes the following steps:
  • Step S61 input a video signal from the host
  • Step S62 storing a previous brightness level of the input video signal and a plurality of conditional expressions; [0175] Step S63: Substituting the previous brightness level and the next brightness level of the next video signal into a corresponding conditional expression to determine an output brightness level;
  • Step S64 Driving each pixel of the image of each frame to the liquid crystal unit displaying the image based on the determined output brightness level.
  • the driving method of the liquid crystal display further includes the following steps: [0178] obtaining a bias by substituting the previous brightness level and the next brightness level to the corresponding conditional expression Shift; [0179] Add offset to the next luma level.
  • the driving method of the liquid crystal display may further include the following steps: [0181] adding an offset to the next video signal by a generator of the liquid crystal display to generate the Outputs a brightness level output video signal.
  • the driving method of the liquid crystal display may further include the following steps:
  • the output video signal having the output luminance level is output to the driver through an output logic of the liquid crystal display.
  • an embodiment of the present disclosure further provides a liquid crystal display, including: [0185] an input logic, inputting a video signal from a host;
  • a memory storing a previous brightness level of the video signal input by the input logic and a plurality of conditional expressions
  • a determiner that substitutes the previous brightness level stored in the memory and a next brightness level of a next video signal input to the input logic into the corresponding conditional expression to determine Output brightness level
  • a driver driving each pixel of an image of each frame to a liquid crystal cell displaying the image based on the output brightness level determined by the determiner;
  • an output logic configured to output the output video signal having the output brightness level to the driver
  • another embodiment of the present application further provides a driving method for a liquid crystal display, which is applicable to a liquid crystal display including an input logic, a memory, a determiner, a driver, a generator, and an output logic, and includes the following steps. :
  • the driving method of the liquid crystal display further includes the following steps:
  • FIG. 7 is a schematic block diagram of still another embodiment of the liquid crystal display of the present application.
  • the liquid crystal display 100 of the present application includes: an input logic 110, a memory 120, a photo sensor 170, and an integrator 180.
  • the input logic unit 110 is connected to the storage unit 120
  • the integrator 180 is connected to the input logic unit 110, the memory 120 and the light sensor 170.
  • the input logic device 110 mentioned above is used to input a video signal from the host, and the video signal maintains an on state.
  • the memory 120 is used to store the quiescent state brightness level.
  • the light sensor 170 is configured to sense the brightness of the video signal to generate a light sensing signal.
  • the integrator 180 is used to integrate the received light sensing signal, and to close the video signal corresponding to the integration result of the static state brightness level, and to turn the video signal into the off state.
  • the integrator 180 can transmit a shutdown signal to the input logic 110 to change the video signal to the off state.
  • the memory 120 stores a brightness level of the video signal. Therefore, the integrator 170 can know that the brightness level of the corresponding stationary state is satisfied according to the brightness level of the stationary state and the brightness level of the video signal. What is the result of the score?
  • the integrator 180 includes a lookup table that includes luminance levels of a plurality of video signals and their corresponding static state luminance levels, and the integrator 180 is dependent on the luminance level of the video signal.
  • the corresponding static state brightness level is obtained in the table.
  • the liquid crystal display 100 may further include a driver 140 connected to the input logic 110 for driving each pixel of the video signal per frame to a liquid crystal cell that displays an image.
  • FIG. 8 is a flowchart of still another embodiment of a driving method of a liquid crystal display of the present application.
  • the driving method of the liquid crystal display of the present application is applicable to include an input logic, a memory
  • a light sensor and an integrator liquid crystal display comprising the following steps:
  • Step S81 input a video signal from the host, and the video signal maintains an on state
  • Step S82 storing a static state brightness level
  • Step S83 sensing a brightness of the video signal to generate a light sensing signal
  • Step S84 Integrating the light sensing signal to close the video signal corresponding to the integration result satisfying the static state brightness level.
  • the integrator includes a lookup table
  • the driving method of the liquid crystal display further includes the following steps: [0214] storing brightness levels of the plurality of video signals and corresponding corresponding static state brightness levels in the relationship table [0215] The corresponding static state brightness level is obtained from the relationship table according to the brightness level of the video signal.
  • the driving method of the liquid crystal display further comprises the following steps: [0217] Each pixel of each frame of the video signal is driven to a liquid crystal cell that displays an image by a driver of the liquid crystal display.
  • Another embodiment of the present application further provides a liquid crystal display, including:
  • a memory storing a static state brightness level, wherein the memory stores a brightness level of the video signal;
  • a light sensor that senses brightness of the video signal to generate a light sensing signal;
  • an integrator integrating the optical sensing signal, and closing the video signal corresponding to an integration result satisfying the static state brightness level
  • the integrator includes a relationship table, and the relationship table includes a plurality of the video signals The brightness level and its corresponding static state brightness level, the integrator according to the video letter The brightness level of the number is obtained from the relationship table by the corresponding static state brightness level; and [0223] a driver for driving each pixel of the video signal per frame to a liquid crystal unit displaying an image .
  • another embodiment of the present application further provides a driving method for a liquid crystal display, which is applicable to a liquid crystal display including an input logic, a memory, a photo sensor, an integrator, and a driver, and includes the following steps:
  • Each pixel of the video signal per frame is driven to a liquid crystal cell that displays an image by a driver of the liquid crystal display.
  • the liquid crystal display of the present application and the driving method thereof compensate the video signal by superimposing a compensation signal or the like to improve the problem of response delay.

Abstract

涉及一种液晶显示器及其驱动方法,液晶显示器100包括输入逻辑器110、存储器120、确定器130及驱动器140。输入逻辑器110用于输入来自主机的视频信号S61。存储器120用于存储输入逻辑器110所输入的视频信号的先前亮度位准及若干个条件式S62。确定器130用于将存储在存储器120中的先前亮度位准和输入到输入逻辑器110的下一个视频信号的下一个亮度位准代入对应的条件式中,以确定输出亮度位准S63。驱动器140基于确定器130所确定的输出亮度位准来驱动每帧的图像的每个像素至显示图像的液晶单元S64。

Description

发明名称:液晶显示器及其驱动方法
技术领域
[0001] 本申请实施例涉及一种液晶显示器及其驱动方法, 特别是涉及一种通过依据条 件式取得偏移量的方式对视频信号进行修改的液晶显示器及其驱动方法。
背景技术
[0002] 近几年来, 除了阴极射线管(CRT)显示器之外, 液晶显示器(LCD)已广泛作 为图像显示器和个人计算机(PC)和电视机的显示器。 LCD比 CRT显示器更小、 更轻。 另也针对 LCD的显示性能进行许多的改善, 包括低几何失真及高图像质 量。 因此, 液晶显示器将作为未来的视频设备中使用的主流显示装置的焦点。
[0003] 然而, 由于液晶本身的响应特性差, LCD具有响应吋间差的潜在问题。 也就 是说, 在工业中使用的显示器中, 显示器以每秒钟 60帧的帧速率或每 (1÷60 =) 16.7毫秒刷新。 另一方面, 当前 LCD从黑色变为白色的响应吋间为 10至 50ms , 通常为 20至 30ms。 这意味着显示器中的一帧吋间比大多数液晶的响应吋间短 。 结果, 由 LCD的响应延迟引起的诸如运动图像的视觉持续性和不能跟上快速 运动图像的问题变得显而易见。
技术问题
[0004] 有鉴于上述现有技术的问题, 本申请实施例要解决的技术问题是提出一种液晶 显示器及其驱动方法, 以有效改善响应延迟的问题。
问题的解决方案
技术解决方案
[0005] 基于上述要解决的技术问题, 本申请实施例提供以下技术方案: 一种液晶显示 器, 包括:
[0006] 输入逻辑器, 用于输入来自主机的视频信号;
[0007] 存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度位准及若 干个条件式;
[0008] 确定器, 用于将存储在所述存储器中的所述先前亮度位准和输入到所述输入逻 辑器的下一个视频信号的下一个亮度位准代入对应的所述条件式中, 以确定输 出亮度位准; 以及
[0009] 驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图像的每个 像素至显示所述图像的液晶单元。
[0010] 可选地, 所述确定器代入所述先前亮度位准及所述下一个亮度位准至对应的 所述条件式后, 取得偏移量, 并将所述偏移量加到所述下一个亮度位准上。
[0011] 可选地, 所述液晶显示器还包括产生器, 用于将所述偏移量加到所述下一个 视频信号上, 以产生具有所述输出亮度位准的输出视频信号。
[0012] 可选地, 所述液晶显示器还包括输出逻辑器, 用于将具有所述输出亮度位准 的所述输出视频信号输出至所述驱动器。
[0013] 另一方面, 本申请实施例还提供一种液晶显示器的驱动方法, 适用于包括输 入逻辑器、 存储器、 确定器及驱动器的液晶显示器, 液晶显示器的驱动方法包 括下列步骤:
[0014] 输入来自主机的视频信号;
[0015] 存储所输入的所述视频信号的先前亮度位准及若干个条件式;
[0016] 代入所述先前亮度位准和下一个视频信号的下一个亮度位准至对应的所述条件 式中, 以确定输出亮度位准; 以及
[0017] 基于所确定的所述输出亮度位准来驱动每帧的图像的每个像素至显示所述图像 的液晶单元。
[0018] 可选地, 所述驱动方法还包括下列步骤:
[0019] 通过代入所述先前亮度位准及所述下一个亮度位准至对应的所述条件式以取得 偏移量; 以及
[0020] 加入所述偏移量至所述下一个亮度位准上。
[0021] 可选地, 所述驱动方法还包含下列步骤:
[0022] 通过所述液晶显示器的产生器将所述偏移量加到所述下一个视频信号上, 以产 生具有所述输出亮度位准的输出视频信号。
[0023] 可选地, 所述驱动方法还包含下列步骤:
[0024] 通过所述液晶显示器的输出逻辑器将具有所述输出亮度位准的所述输出视频信 号输出至所述驱动器。
[0025] 又一方面, 本申请实施例还提供一种液晶显示器, 包括:
[0026] 输入逻辑器, 用于输入来自主机的视频信号;
[0027] 存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度位准及若 干个条件式;
[0028] 确定器, 用于将存储在所述存储器中的所述先前亮度位准和输入到所述输入逻 辑器的下一个视频信号的下一个亮度位准代入对应的所述条件式中后, 取得偏 移量, 并将所述偏移量加到所述下一个亮度位准上, 以确定输出亮度位准;
[0029] 驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图像的每个 像素至显示所述图像的液晶单元;
[0030] 产生器, 用于将所述偏移量叠加到所述下一个视频信号, 以产生具有所述输出 亮度位准的输出视频信号; 以及
[0031] 输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输出至所述驱 动器。
发明的有益效果
有益效果
[0032] 通过采用上述技术方案, 本申请液晶显示器及其驱动方法通过依据条件式取得 偏移量的方式对视频信号进行修改, 可有效改善响应延迟的问题。
对附图的简要说明
附图说明
[0033] 为了更清楚地说明本申请实施例技术方案, 下面将对实施例描述中所需要使用 的附图作简单地介绍, 显而易见地, 下面描述中的附图是本申请的一些实施例 , 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据 这些附图获得其他的附图。
[0034] 图 1为本申请液晶显示器的一个实施例的原理方块图。
[0035] 图 2为本申请的液晶显示器的一个实施例的补偿信号及亮度示意图。
[0036] 图 3为本申请的液晶显示器的另一个实施例的原理方块图。
[0037] 图 4为本申请的液晶显示器的驱动方法的一个实施例的流程图。 [0038] 图 5为本申请的液晶显示器的驱动方法的另一个实施例的流程图。
[0039] 图 6为本申请的液晶显示器的驱动方法的又一个实施例的流程图。
[0040] 图 7为本申请的液晶显示器的又一个实施例的原理方块图。
[0041] 图 8为本申请的液晶显示器的驱动方法的再一个实施例的流程图。
本发明的实施方式
[0042] 下面将结合本申请实施例中的附图, 对本申请实施例中的技术方案进行清楚、 完整地描述。 显然, 所描述的实施例是本申请一部分实施例, 而不是全部的实 施例。 基于本申请中的实施例, 本领域普通技术人员在没有做出创造性劳动前 提下所获得的所有其他实施例, 都属于本申请保护的范围。
[0043] 请参阅图 1至图 2, 图 1为本申请的液晶显示器的一个实施例的原理方块图; 图 2 为本申请的液晶显示器的补偿信号及亮度示意图。 如图 1及图 2所示, 本申请的 液晶显示器 100包括: 输入逻辑器 110、 存储器 120、 确定器 130及驱动器 140。 其 中, 输入逻辑器 110连接存储器 120, 存储器 120连接确定器 130, 确定器 130连接 驱动器 140。
[0044] 其中, 上述所提到的输入逻辑器 110用于输入来自主机的视频信号。 存储器 120 用于存储输入逻辑器 110所输入的视频信号的先前亮度位准。 确定器 130则用以 基于存储在存储器 120中的先前亮度位准和输入到输入逻辑器 110的下一个视频 信号的下一个亮度位准来判断是否叠加补偿信号 (如图 2中的 Dcp域 Dcp2)至下一 个视频信号 (如图 2中的 D)上, 以确定输出亮度位准。 驱动器 140用以基于确定器 1 30所确定的输出亮度位准来驱动每帧的视频信号的图像的每个像素至显示图像 的液晶单元。 其中, 补偿信号可采前高后低方式设置, 前高部份可加速拉升亮 度, 同吋因为电压的增加, 更容易达到理想亮度; 后低部份可加速亮度的减低 , 减少对下一个视频信号的干扰。 补偿信号的波形也可有不同的形态, 如曲线 状、 阶梯状等等。
[0045] 本申请的确定器 130可包括査找表, 査找表存储有对应先前亮度位准及下一个 亮度位准而确定的液晶单元亮度位准, 并依据由査找表所读取的亮度位准判断 是否叠加补偿信号。 在一个实施例中, 所述査找表可以如以下的表一所示。 [0046] 表一
Figure imgf000007_0001
[0047] 如上表一所示, 以先前亮度位准为 0、 下一个亮度位准为 90为例, 从査找表可 读取到对应的液晶单元亮度位准为 98, 便可知下一个亮度位准不足对应的液晶 单元亮度位准, 进而确定器 130便判断须对下一个视频信号叠加补偿信号, 以使 下一个视频信号的亮度位准可满足液晶单元亮度位准。
[0048] 反之, 以下一个亮度位准为 100为例, 其对应的液晶单元亮度位准皆为 100, 即下一个亮度位准满足液晶单元亮度位准, 故确定器 130判断不须对下一个视频 信号叠加补偿信号。
[0049] 请参阅图 3, 其为本申请的液晶显示器的另一实施例的原理方块图。 如图 3所 示, 液晶显示器 100还可包括产生器 150, 其连接确定器 130, 用于将补偿信号叠 加到下一个视频信号, 以产生具有所述输出亮度位准的输出视频信号。 在另一 个实施例中, 所述液晶显示器 100还可包括输出逻辑器 160, 其连接产生器 150及 驱动器 140, 用于将具有所述输出亮度位准的输出视频信号输出至驱动器 140。
[0050] 尽管前述在说明本申请的液晶显示器的过程中, 已同吋说明本申请的液晶显 示器的驱动方法的概念, 但为求清楚起见, 以下另绘示流程图详细说明。
[0051] 请参阅图 4, 其为本申请的液晶显示器的驱动方法的一个实施例的流程图。
如图 4所示, 本申请的液晶显示器的驱动方法, 适用于包括输入逻辑器、 存储器 、 确定器及驱动器的液晶显示器, 其包括下列步骤:
[0052] 步骤 S41 : 输入来自主机的视频信号;
[0053] 步骤 S42: 存储所输入的视频信号的先前亮度位准;
[0054] 步骤 S43: 基于先前亮度位准和下一个视频信号的下一个亮度位准来判断是否 叠加补偿信号至下一个视频信号上, 以确定输出亮度位准;
[0055] 步骤 S44中: 基于所确定的输出亮度位准来驱动每帧的图像的每个像素至显 示图像的液晶单元。
[0056] 如上所述, 所述确定器还可包括査找表, 因此, 所述液晶显示器的驱动方法 还可包括下列步骤:
[0057] 存储对应先前亮度位准及下一个亮度位准而确定的液晶单元的亮度位准; [0058] 依据对应先前亮度位准及下一个亮度位准的亮度位准判断是否叠加补偿信号。
[0059] 此外, 在一个实施例中, 所述液晶显示器的驱动方法还可包含下列步骤: [0060] 通过液晶显示器的产生器将补偿信号叠加到下一个视频信号, 以产生具有所述 输出亮度位准的输出视频信号。
[0061] 在另一个实施例中, 所述液晶显示器的驱动方法进一步包括以下步骤: [0062] 通过液晶显示器的输出逻辑器将具有所述输出亮度位准的输出视频信号输出至 驱动器。
[0063] 本申请实施例另外还提供了一种液晶显示器, 包括:
[0064] 输入逻辑器, 用于输入来自主机的视频信号;
[0065] 存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度位准; [0066] 确定器, 基于存储在所述存储器中的所述先前亮度位准和输入到所述输入逻辑 器的下一个视频信号的下一个亮度位准来判断是否叠加补偿信号至所述下一个 视频信号上, 以确定输出亮度位准;
[0067] 驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图像的每个 像素至显示所述图像的液晶单元;
[0068] 产生器, 用于将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输 出亮度位准的输出视频信号; 以及
[0069] 输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输出至所述驱 动器;
[0070] 其中, 所述确定器包括査找表, 所述査找表存储有对应所述先前亮度位准及所 述下一个亮度位准而确定的所述液晶单元的亮度位准, 并依据由所述査找表所 读取的所述亮度位准判断是否叠加所述补偿信号。
[0071] 此外, 本申请实施例也还对应提供一种液晶显示器的驱动方法, 适用于包括 输入逻辑器、 存储器、 确定器、 驱动器、 产生器及输出逻辑器的液晶显示器, 其包括下列步骤:
[0072] 输入来自主机的视频信号;
[0073] 存储所输入的所述视频信号的先前亮度位准;
[0074] 基于所述先前亮度位准和下一个视频信号的下一个亮度位准来判断是否叠加补 偿信号至所述下一个视频信号上, 以确定输出亮度位准;
[0075] 将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输出亮度位准的 输出视频信号;
[0076] 将具有所述输出亮度位准的所述输出视频信号输出至所述驱动器; 以及
[0077] 基于所确定的所述输出亮度位准来驱动每帧的图像的每个像素至显示所述图像 的液晶单元;
[0078] 其中, 所述确定器包括査找表, 所述液晶显示器的驱动方法还包括下列步骤: [0079] 存储对应所述先前亮度位准及所述下一个亮度位准而确定的所述液晶单元的亮 度位准; 以及
[0080] 依据对应所述先前亮度位准及所述下一个亮度位准的所述亮度位准判断是否叠 加所述补偿信号。
[0081] 请再参阅图 1, 本申请的另一实施例中, 本申请的液晶显示器 100包括输入逻 辑器 110、 存储器 120、 确定器 130及驱动器 140。 其中, 输入逻辑器 110连接存储 器 120, 存储器 120连接确定器 130, 确定器 130连接驱动器 140。
[0082] 其中, 上述所提到的输入逻辑器 110用于输入来自主机的视频信号。 存储器 120 用于存储输入逻辑器 110所输入的视频信号的先前亮度位准。 确定器 130依据视 频信号及其下一个视频信号的变化判断是否为变动状态, 并对应变动状态叠加 补偿信号 (如图 2中的 Dcpl或 Dcp2)至下一个视频信号 (如图 2中的 D)上, 以确定输 出亮度位准。 驱动器 140用以基于确定器 130所确定的输出亮度位准来驱动每帧 的视频信号的图像的每个像素至显示图像的液晶单元。 其中, 补偿信号可采前 高后低方式设置, 前高部份可加速拉升亮度, 同吋因为电压的增加, 更容易达 到理想亮度; 后低部份可加速亮度的减低, 减少对下一个视频信号的干扰。 补 偿信号的波形也可有不同的形态, 如曲线状、 阶梯状等等。
[0083] 如前述表一所示, 本申请的确定器 130可包括査找表, 査找表存储有对应先 前亮度位准及下一个亮度位准而确定的液晶单元亮度位准, 并依据由査找表所 读取的亮度位准判断是否为变动状态。 以先前亮度位准为 0、 下一个亮度位准为 90为例, 从査找表可读取到对应的液晶单元亮度位准为 98, 便可知下一个亮度 位准不足对应的液晶单元亮度位准, 进而确定器 130便判断其为变动状态, 而须 对下一个视频信号叠加补偿信号。
[0084] 反之, 以下一个亮度位准为 100为例, 其对应的液晶单元亮度位准皆为 100, 即下一个亮度位准满足液晶单元亮度位准, 故确定器 130判断其非变动状态, 故 不须对下一个视频信号叠加补偿信号。
[0085] 如图 3所示, 液晶显示器 100还可包括产生器 150, 其连接确定器 130, 用于将 补偿信号叠加到下一个视频信号, 以产生具有所述输出亮度位准的输出视频信 号。 接着, 液晶显示器 100还可包括输出逻辑器 160, 其连接产生器 150及驱动器 140, 用于将具有所述输出亮度位准的输出视频信号输出至驱动器 140。
[0086] 请参阅图 5, 其为本申请的液晶显示器的驱动方法的另一实施例的流程图。 如 图 5所示, 本申请实施例提供的液晶显示器的驱动方法, 适用于包括输入逻辑器 、 存储器、 确定器及驱动器的液晶显示器, 其包括下列步骤:
[0087] 步骤 S51 : 输入来自主机的视频信号;
[0088] 步骤 S52: 存储所输入的视频信号的先前亮度位准;
[0089] 步骤 S53: 依据视频信号及其下一个视频信号的变化判断是否为变动状态; [0090] 步骤 S54: 对应变动状态叠加补偿信号至下一个视频信号上, 以确定输出亮度 位准;
[0091] 步骤 S55: 基于所确定的输出亮度位准来驱动每帧的图像的每个像素至显示图 像的液晶单元。 [0092] 如上所述, 所述确定器还可包括査找表, 因此, 所述液晶显示器的驱动方法 还包括下列步骤:
[0093] 存储对应先前亮度位准及下一个亮度位准而确定的液晶单元的亮度位准; [0094] 依据对应先前亮度位准及下一个亮度位准的亮度位准判断是否为变动状态。
[0095] 此外, 在一个实施例中, 所述液晶显示器的驱动方法还可包含下列步骤: [0096] 通过液晶显示器的产生器将补偿信号叠加到下一个视频信号, 以产生具有所述 输出亮度位准的输出视频信号。
[0097] 在另一个实施例中, 所述液晶显示器的驱动方法还包括下列步骤:
[0098] 通过液晶显示器的输出逻辑器将具有所述输出亮度位准的输出视频信号输出至 驱动器。
[0099] 本申请实施例另外还提供一种液晶显示器, 其包括:
[0100] 输入逻辑器, 用于输入来自主机的视频信号;
[0101] 存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度位准; [0102] 确定器, 用于依据所述视频信号及其下一个视频信号的变化判断是否为变动状 态, 并对应所述变动状态叠加补偿信号至所述下一个视频信号上, 以确定输出 亮度位准;
[0103] 驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图像的每个 像素至显示所述图像的液晶单元;
[0104] 产生器, 用于将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输 出亮度位准的输出视频信号; 以及
[0105] 输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输出至所述驱 动器;
[0106] 其中, 所述确定器包括査找表, 所述査找表存储有对应所述先前亮度位准及所 述下一个亮度位准而确定的所述液晶单元的亮度位准, 并依据由所述査找表所 读取的所述亮度位准判断是否为变动状态。
[0107] 此外, 本申请又一实施例还对应提供一种液晶显示器的驱动方法, 适用于包 括输入逻辑器、 存储器、 确定器、 驱动器、 产生器及输出逻辑器的液晶显示器
, 其包括下列步骤: [0108] 输入来自主机的视频信号;
[0109] 存储所输入的所述视频信号的先前亮度位准;
[0110] 依据所述视频信号及其下一个视频信号的变化判断是否为变动状态;
[0111] 将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输出亮度位准的 输出视频信号;
[0112] 将具有所述输出亮度位准的所述输出视频信号输出至所述驱动器; 以及
[0113] 基于所确定的所述输出亮度位准来驱动每帧的图像的每个像素至显示所述图像 的液晶单元;
[0114] 其中, 所述确定器包括査找表, 所述液晶显示器的驱动方法还包括下列步骤: [0115] 存储对应所述先前亮度位准及所述下一个亮度位准而确定的所述液晶单元的亮 度位准; 以及
[0116] 依据对应所述先前亮度位准及所述下一个亮度位准的所述亮度位准判断是否为 变动状态。
[0117] 请再参阅图 1, 本申请的另一实施例中, 本申请的液晶显示器 100包括了输入 逻辑器 110、 存储器 120、 确定器 130及驱动器 140。 其中, 输入逻辑器 110连接存 储器 120, 存储器 120连接确定器 130, 确定器 130连接驱动器 140。
[0118] 其中, 上述所提到的输入逻辑器 110用于输入来自主机的视频信号。 存储器 120 用于存储输入逻辑器 110所输入的视频信号的先前亮度位准及若干个条件式。
[0119] 确定器 130将存储在存储器 120中的先前亮度位准和输入到输入逻辑器 110的 下一个视频信号的下一个亮度位准代入对应的所述条件式中, 以确定输出亮度 位准。 驱动器 140用以基于确定器 130所确定的输出亮度位准来驱动每帧的视频 信号的图像的每个像素至显示图像的液晶单元。
[0120] 其中, 可设 B i为先前亮度位准, B i+1为下一个亮度位准, 而若干个条件是如 下所示:
[0121] B i+1=0, 则偏移量 =0
[0122] B i+1=10且 B i=0, 则偏移量 =18
[0123] B i+1=10且 B i=10~90, 则偏移量 =0
[0124] B i+1=10且 B i=100, 则偏移量 = -8 [0125] Bi +1=20且 B i=0, 则偏移量 =28
[0126] B; +1=20且 B i=10, 则偏移量 =10
[0127] B; +1=20且 B i=20~90, 则偏移量 =0
[0128] B; +1=20且 B i=100, 则偏移量 =-16
[0129] B; +1=30且 B i=0, 则偏移量 =33
[0130] B; +1=30且 B i=10, 则偏移量 =15
[0131] B; +1=30且 B i=20, 则偏移量 =5
[0132] B; +1=30且 B ;=30~80, 则偏移量 =0
[0133] Bi +1=30且 B i=90, 则偏移量 =-5
[0134] B; 1=30且 B i=100, 则偏移量 =-23
[0135] Β, =40且 B i=0, 则偏移量 =34
[0136] B; l=40且 B ;=10, 则偏移量 =16
[0137] Bt l=40且 B ;=20, 则偏移量 =6
[0138] B; l=40且 B ;=30„ 则偏移量 =1
[0139] B; =40且 B i=40~80, 则偏移量 =0
[0140] B;. =40且 B ;=90, 则偏移量 =-10
[0141] B;. μ1=40且 B i=100, 则偏移量 =-28
[0142] B;. μ1=50且 B i=0, 则偏移量 =33
[0143] BiH μ1=50且 B i=10, 则偏移量 =15
[0144] BiH μ1=50且 B ;=20, 则偏移量 =5
[0145] BiH —!=50且 B i=30~70, 则偏移量 =0
[0146] BiH —!=50且 B i=80, 则偏移量 =-5
[0147] Bi, 4=50且 B 90, 则偏移量 =-15
[0148] Bi, 4=50且 B i=100, 则偏移量 =-33
[0149] Bi 4=60且 B i=0, 则偏移量 =28
[0150] Bi ,=60且 B i=10, 则偏移量 =10
[0151] Bi+ •!=60且 B i=20~60, 则偏移量 =0
[0152] BI+ F60且 B i=70, 则偏移量 =-1 [0153] B 1+1=60 .B 1=80, 则偏移量 =-6
[0154] Bi+1=60且 Bi=90, 则偏移量 =-16
[0155] Bi+1=60且 Bi=100, 则偏移量 = -34
[0156] Bi+1=70且 Bi=0, 则偏移量 =23
[0157] Bi+1=70且 Bi=10, 则偏移量 =5
[0158] Bi+1=70且 Bi=20~70, 则偏移量 =0
[0159] 81+1=70且81=80, 则偏移量 = -5
[0160] Bi+1=70且 Bi=90, 则偏移量 =-15
[0161] Bi+1=70且 Bi=100, 则偏移量 = -32
[0162] Bi+1=80且 Bi=0, 则偏移量 =16
[0163] Bi+1=80且 Bi=10~80, 则偏移量 =0
[0164] Bi+I=80且 Bi=90, 则偏移量 =-10
[0165] Bi+1=80且 Bi=100, 则偏移量 = -28
[0166] Bi+1=90且 Bi=0, 则偏移量 =8
[0167] Bi+1=90且 Bi=10~90, 则偏移量 =0
[0168] BI+1=90且 BFIOO, 则偏移量 =-18
[0169] Bi+1=100, 则偏移量 =0
[0170] 如上所述, 确定器 130代入先前亮度位准及下一个亮度位准至对应的条件式后 , 取得偏移量, 并将偏移量加到下一个亮度位准上。
[0171] 如图 3所示, 液晶显示器 100还可包括产生器 150, 其连接确定器 130, 用于将 偏移量加到下一个视频信号, 以产生具有所述输出亮度位准的输出视频信号。 接着, 液晶显示器 100还可包括输出逻辑器 160, 其连接产生器 150及驱动器 140 , 用于将具有所述输出亮度位准的输出视频信号输出至驱动器 140。
[0172] 请参阅图 6, 其为本申请的液晶显示器的驱动方法的又一实施例的流程图。
如图 6所示, 本申请的液晶显示器的驱动方法, 适用于包括输入逻辑器、 存储器 、 确定器及驱动器的液晶显示器, 其包括下列步骤:
[0173] 步骤 S61: 输入来自主机的视频信号;
[0174] 步骤 S62: 存储所输入的视频信号的先前亮度位准及若干个条件式; [0175] 步骤 S63: 代入先前亮度位准和下一个视频信号的下一个亮度位准至对应的条 件式中, 以确定输出亮度位准;
[0176] 步骤 S64: 基于所确定的输出亮度位准来驱动每帧的图像的每个像素至显示图 像的液晶单元。
[0177] 如上所述, 在一个实施例中, 所述液晶显示器的驱动方法还包括下列步骤: [0178] 通过代入先前亮度位准及下一个亮度位准至对应的所述条件式以取得偏移量; [0179] 加入偏移量至下一个亮度位准上。
[0180] 此外, 在一个实施例中, 所述液晶显示器的驱动方法还可包含下列步骤: [0181] 通过液晶显示器的产生器将偏移量加到下一个视频信号上, 以产生具有所述输 出亮度位准的输出视频信号。
[0182] 在另一个实施例中, 所述液晶显示器的驱动方法还可包含下列步骤:
[0183] 通过液晶显示器的输出逻辑器将具有所述输出亮度位准的输出视频信号输出至 驱动器。
[0184] 在另一个实施例中, 本申请实施例另外还提供一种液晶显示器, 包括: [0185] 输入逻辑器, 输入来自主机的视频信号;
[0186] 存储器, 存储所述输入逻辑器所输入的所述视频信号的先前亮度位准及若干个 条件式;
[0187] 确定器, 将存储在所述存储器中的所述先前亮度位准和输入到所述输入逻辑器 的下一个视频信号的下一个亮度位准代入对应的所述条件式中, 以确定输出亮 度位准;
[0188] 驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图像的每个 像素至显示所述图像的液晶单元;
[0189] 产生器, 用于将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输 出亮度位准的输出视频信号; 以及
[0190] 输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输出至所述驱 动器;
[0191] 其中, 所述确定器代入所述先前亮度位准及所述下一个亮度位准至对应的所述 条件式后, 取得偏移量, 并将所述偏移量加到所述下一个亮度位准上。 [0192] 此外, 本申请又一个实施例还对应提供一种液晶显示器的驱动方法, 适用于 包括输入逻辑器、 存储器、 确定器、 驱动器、 产生器及输出逻辑器的液晶显示 器, 其包括下列步骤:
[0193] 输入来自主机的视频信号;
[0194] 存储所输入的所述视频信号的先前亮度位准及若干个条件式;
[0195] 代入所述先前亮度位准和下一个视频信号的下一个亮度位准至对应的所述条件 式中, 以确定输出亮度位准;
[0196] 将所述补偿信号叠加到所述下一个视频信号, 以产生具有所述输出亮度位准的 输出视频信号;
[0197] 将具有所述输出亮度位准的所述输出视频信号输出至所述驱动器; 以及
[0198] 基于所确定的所述输出亮度位准来驱动每帧的图像的每个像素至显示所述图像 的液晶单元;
[0199] 其中, 所述液晶显示器的驱动方法还包括下列步骤:
[0200] 通过代入所述先前亮度位准及所述下一个亮度位准至对应的所述条件式以取得 偏移量; 以及
[0201] 加入所述偏移量至所述下一个亮度位准上。
[0202] 请参阅图 7, 其为本申请的液晶显示器的又一实施例的原理方块图。 如图 7所 示, 本申请的另一实施例中, 本申请的液晶显示器 100包括: 输入逻辑器 110、 存储器 120、 光传感器 170及积分器 180。 其中, 输入逻辑器 110连接储存器 120, 积分器 180连接输入逻辑器 110、 存储器 120及光传感器 170。
[0203] 其中, 上述所提到的输入逻辑器 110用以输入来自主机的视频信号, 且视频 信号维持幵启状态。 存储器 120用以存储静止状态亮度位准。 光传感器 170用以 感应视频信号的亮度而产生光感应信号。 积分器 180则用以积分所接收到的光感 应信号, 并对应满足静止状态亮度位准的积分结果而关闭视频信号, 及使视频 信号变为关闭状态。 其中, 积分器 180可传送关闭信号至输入逻辑器 110以将视 频讯号改为关闭状态。
[0204] 可选的, 所述存储器 120存储有视频信号的亮度位准。 从而, 积分器 170便可 依据静止状态亮度位准及视频信号的亮度位准得知满足对应静止状态亮度位准 的积分结果为何。
[0205] [0064]重要的是, 积分器 180包括査找表, 关系表包含若干个视频信号的亮度 位准及其对应的静止状态亮度位准, 积分器 180依据视频信号的亮度位准由关系 表中取得对应的静止状态亮度位准。
[0206] 如图 7所示, 液晶显示器 100还可包括驱动器 140, 其连接输入逻辑器 110, 用 于将每帧所述视频信号的每个像素驱动至显示图像的液晶单元。
[0207] 请参阅图 8, 其为本申请的液晶显示器的驱动方法的再一实施例的流程图。
如图 8所示, 本申请的液晶显示器的驱动方法, 适用于包括输入逻辑器、 存储器
、 光传感器及积分器的液晶显示器, 其包括下列步骤:
[0208] 步骤 S81 : 输入来自主机的视频信号, 且视频信号维持幵启状态;
[0209] 步骤 S82: 存储静止状态亮度位准;
[0210] 步骤 S83: 感应视频信号的亮度而产生光感应信号;
[0211] 步骤 S84: 积分光感应信号, 对应满足静止状态亮度位准的积分结果关闭视频 信号。
[0212] 其中, 所述存储器用以存储视频信号的亮度位准。
[0213] 如上所述, 所述积分器包括査找表, 液晶显示器的驱动方法还包含下列步骤: [0214] 存储若干个视频信号的亮度位准及其对应的静止状态亮度位准于关系表中; [0215] 依据视频信号的亮度位准由关系表中取得对应的静止状态亮度位准。
[0216] 此外, 在另一个实施例中, 所述液晶显示器的驱动方法还包含下列步骤: [0217] 通过液晶显示器的驱动器将每帧视频信号的每个像素驱动至显示图像的液晶单 元。
[0218] 本申请另一个实施例还提供一种液晶显示器, 其包括:
[0219] 输入逻辑器, 输入来自主机的视频信号, 且视频信号维持幵启状态;
[0220] 存储器, 存储静止状态亮度位准, 存储器存储有所述视频信号的亮度位准; [0221] 光传感器, 感应所述视频信号的亮度而产生光感应信号;
[0222] 积分器, 积分所述光感应信号, 对应满足所述静止状态亮度位准的积分结果关 闭所述视频信号, 所述积分器包括关系表, 所述关系表包含若干个所述视频信 号的亮度位准及其对应的所述静止状态亮度位准, 所述积分器依据所述视频信 号的所述亮度位准由所述关系表中取得对应的所述静止状态亮度位准; 以及 [0223] 驱动器, 用于将每帧所述视频信号的每个像素驱动至显示图像的液晶单元。
[0224] 此外, 本申请又一实施例还对应提供一种液晶显示器的驱动方法, 适用于包 括输入逻辑器、 存储器、 光传感器、 积分器及驱动器的液晶显示器, 其包括下 列步骤:
[0225] 输入来自主机的视频信号, 且所述视频信号维持幵启状态;
[0226] 存储静止状态亮度位准及所述视频信号的亮度位准;
[0227] 感应所述视频信号的亮度而产生光感应信号;
[0228] 存储若干个所述视频信号的亮度位准及其对应的所述静止状态亮度位准于所述 关系表中;
[0229] 依据所述视频信号的所述亮度位准由所述关系表中取得对应的所述静止状态亮 度位准;
[0230] 积分所述光感应信号, 对应满足所述静止状态亮度位准的积分结果关闭所述视 频信号; 以及
[0231] 通过所述液晶显示器的驱动器将每帧所述视频信号的每个像素驱动至显示图像 的液晶单元。
[0232] 根据上述, 本申请的液晶显示器及其驱动方法通过叠加补偿信号等方式对视 频信号进行补偿, 以改善响应延迟的问题。
[0233] 需要说明的是, 在所述实施例中, 对各个实施例的描述都各有侧重, 某个实 施例中没有详细描述的部分, 可以参见其他实施例的相关描述。
[0234] 以上所述, 仅为本申请的具体实施方式, 但本申请的保护范围并不局限于此
, 任何熟悉本技术领域的技术人员在本申请揭露的技术范围内, 可轻易想到各 种等效的修改或替换, 这些修改或替换都应涵盖在本申请的保护范围之内。 因 此, 本申请的保护范围应以权利要求的保护范围为准。

Claims

权利要求书
[权利要求 1] 一种液晶显示器, 其特征在于, 包括:
输入逻辑器, 用于输入来自主机的视频信号;
存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度 位准及若干个条件式;
确定器, 用于将存储在所述存储器中的所述先前亮度位准和输入到所 述输入逻辑器的下一个视频信号的下一个亮度位准代入对应的所述条 件式中, 以确定输出亮度位准; 以及
驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图 像的每个像素至显示所述图像的液晶单元。
[权利要求 2] 如权利要求 1所述的液晶显示器, 其特征在于, 所述确定器代入所述 先前亮度位准及所述下一个亮度位准至对应的所述条件式后, 取得偏 移量, 并将所述偏移量加到所述下一个亮度位准上。
[权利要求 3] 如权利要求 2所述的液晶显示器, 其特征在于, 所述液晶显示器还包 括产生器, 用于将所述偏移量加到所述下一个视频信号上, 以产生具 有所述输出亮度位准的输出视频信号。
[权利要求 4] 如权利要求 2所述的液晶显示器, 其特征在于, 所述液晶显示器还包 括输出逻辑器, 用于将具有所述输出亮度位准的输出视频信号输出至 所述驱动器。
[权利要求 5] 如权利要求 1所述的液晶显示器, 其特征在于, 所述液晶显示器还包 括产生器, 用于将所述偏移量加到所述下一个视频信号上, 以产生具 有所述输出亮度位准的输出视频信号。
[权利要求 6] 如权利要求 5所述的液晶显示器, 其特征在于, 所述液晶显示器还包 括输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输 出至所述驱动器。
[权利要求 7] 如权利要求 1所述的液晶显示器, 其特征在于, 所述液晶显示器还包 括输出逻辑器, 用于将具有所述输出亮度位准的输出视频信号输出至 所述驱动器。 一种液晶显示器的驱动方法, 适用于包括输入逻辑器、 存储器、 确定 器及驱动器的液晶显示器, 其特征在于, 包括下列步骤:
输入来自主机的视频信号;
存储所输入的所述视频信号的先前亮度位准及若干个条件式; 代入所述先前亮度位准和下一个视频信号的下一个亮度位准至对应的 所述条件式中, 以确定输出亮度位准; 以及
基于所确定的所述输出亮度位准来驱动每帧的图像的每个像素至显示 所述图像的液晶单元。
如权利要求 8所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包括下列步骤:
通过代入所述先前亮度位准及所述下一个亮度位准至对应的所述条件 式以取得偏移量; 以及
加入所述偏移量至所述下一个亮度位准上。
如权利要求 9所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包含下列步骤:
通过所述液晶显示器的产生器将所述偏移量加到所述下一个视频信号 上, 以产生具有所述输出亮度位准的输出视频信号。
如权利要求 9所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包含下列步骤:
通过所述液晶显示器的输出逻辑器将具有所述输出亮度位准的输出视 频信号输出至所述驱动器。
如权利要求 8所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包含下列步骤:
通过所述液晶显示器的产生器将所述偏移量加到所述下一个视频信号 上, 以产生具有所述输出亮度位准的输出视频信号。
如权利要求 12所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包含下列步骤:
通过所述液晶显示器的输出逻辑器将具有所述输出亮度位准的所述输 出视频信号输出至所述驱动器。
[权利要求 14] 如权利要求 8所述的液晶显示器的驱动方法, 其特征在于, 所述驱动 方法还包含下列步骤:
通过所述液晶显示器的输出逻辑器将具有所述输出亮度位准的输出视 频信号输出至所述驱动器。
[权利要求 15] —种液晶显示器, 其特征在于, 包括:
输入逻辑器, 用于输入来自主机的视频信号;
存储器, 用于存储所述输入逻辑器所输入的所述视频信号的先前亮度 位准及若干个条件式;
确定器, 用于将存储在所述存储器中的所述先前亮度位准和输入到所 述输入逻辑器的下一个视频信号的下一个亮度位准代入对应的所述条 件式中后, 取得偏移量, 并将所述偏移量加到所述下一个亮度位准上 , 以确定输出亮度位准;
驱动器, 基于所述确定器所确定的所述输出亮度位准来驱动每帧的图 像的每个像素至显示所述图像的液晶单元;
产生器, 用于将所述偏移量叠加到所述下一个视频信号, 以产生具有 所述输出亮度位准的输出视频信号; 以及
输出逻辑器, 用于将具有所述输出亮度位准的所述输出视频信号输出 至所述驱动器。
PCT/CN2017/116273 2017-09-19 2017-12-14 液晶显示器及其驱动方法 WO2019056602A1 (zh)

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