WO2022000697A1 - 显示方法、装置及显示设备 - Google Patents

显示方法、装置及显示设备 Download PDF

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Publication number
WO2022000697A1
WO2022000697A1 PCT/CN2020/106763 CN2020106763W WO2022000697A1 WO 2022000697 A1 WO2022000697 A1 WO 2022000697A1 CN 2020106763 W CN2020106763 W CN 2020106763W WO 2022000697 A1 WO2022000697 A1 WO 2022000697A1
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Prior art keywords
duration
current
frame display
display period
preset
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PCT/CN2020/106763
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English (en)
French (fr)
Inventor
廖文武
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深圳市华星光电半导体显示技术有限公司
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Priority to US17/040,992 priority Critical patent/US11790824B2/en
Publication of WO2022000697A1 publication Critical patent/WO2022000697A1/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/363—Graphics controllers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435—Change or adaptation of the frame rate of the video stream
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Definitions

  • the present application relates to the field of display technology, and in particular, to a display method, device, and display device.
  • the Freesync function dynamically adjusts the display device by adjusting the time when the cathode rays in the display device return to re-output after outputting one frame of image, that is, V-Blank (vertical blank).
  • V-Blank vertical blank
  • Embodiments of the present application provide a display method, a display device, and a display device, which can avoid large differences in gray-scale brightness changes.
  • an embodiment of the present application provides a display method, including:
  • the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • the control target image is displayed from the start time according to the duration.
  • the step of obtaining the current frame display period corresponding to the current refresh frequency of the GPU includes:
  • the current frame display period corresponding to the current refresh frequency is acquired.
  • the step of determining the start time and duration of the vertical blank area based on the preset frame display duration and the current frame display period includes:
  • the start time and duration of the vertical blank area are determined according to the preset frame generation duration and the current frame display period, and the period from the start time to the end of the current display period in the current frame display period is determined.
  • the duration is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • the target image is a high-gray-scale brightness image.
  • an embodiment of the present application further provides a display device, including:
  • an acquisition unit for acquiring the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • a determining unit configured to determine the start time and duration of the vertical blank area based on a preset frame display duration and the current frame display period
  • the control unit is configured to control the target image to be displayed from the starting time according to the duration.
  • the acquisition unit includes:
  • a judging subunit used to obtain the current refresh frequency, and judge whether the current refresh frequency is less than the preset refresh frequency
  • a first obtaining subunit configured to obtain a current frame display period corresponding to the current refresh frequency if the current refresh frequency is less than a preset refresh frequency.
  • the determining unit includes:
  • the determining subunit is used to determine the start time and duration of the vertical blank area according to the preset frame generation duration and the current frame display period, and determine the start time and duration of the vertical blank area in the current frame display period from the start time The duration until the end of the current display period is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • an embodiment of the present application further provides a display device, including a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the program when executing the program.
  • a display method the display method includes:
  • the current refresh rate is less than the preset refresh rate, obtain the current frame display period corresponding to the current refresh rate, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • the target image is controlled to be displayed from the starting time according to the duration, and the target image is a high-gray-scale brightness image.
  • the step of determining the start time and duration of the vertical blank area based on the preset frame display duration and the current frame display period includes:
  • the start time and duration of the vertical blank area are determined according to the preset frame generation duration and the current frame display period, and the period from the start time to the end of the current display period in the current frame display period is determined.
  • the duration is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • the display method provided by the embodiment of the present application includes acquiring the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration; based on the preset frame display duration and the current frame display duration
  • the frame display period determines the start time and duration of the vertical blank area; the control target image is displayed from the start time according to the duration.
  • FIG. 1 is a schematic flowchart of a display method provided by an embodiment of the present application.
  • FIG. 2 is another schematic flowchart of a display method provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • a display with display frequency conversion technology (Freesync) needs to be certified by a graphics card organization, and the certification standard is that the brightness difference/frequency difference is less than or equal to 0.03nit/Hz within the frequency variation range advertised by the display (for example: 48-144HZ).
  • Freesync technology dynamically adjusts the refresh rate of the display by changing the display duration and the sum of the vertical blank area duration (Vtt), and due to the limitations of in-plane process technology , when the refresh rate is reduced, the Vtt time is prolonged, so that there is a serious phenomenon of leakage when the frequency changes, resulting in a large brightness difference during the Freesync certification process, which cannot be passed.
  • Vtt vertical blank area duration
  • the embodiment of the present application provides a display method, including:
  • the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • the control target image is displayed from the start time according to the duration.
  • the step of obtaining the current frame display period corresponding to the current refresh frequency of the GPU includes:
  • the current frame display period corresponding to the current refresh frequency is acquired.
  • the step of determining the start time and duration of the vertical blank area based on the preset frame display duration and the current frame display period includes:
  • the start time and duration of the vertical blank area are determined according to the preset frame generation duration and the current frame display period, and the period from the start time to the end of the current display period in the current frame display period is determined.
  • the duration is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • the target image is a high-gray-scale brightness image.
  • FIG. 1 is a schematic flowchart of a display method provided by an embodiment of the present application.
  • the display method includes:
  • Step 101 Obtain the current frame display period corresponding to the current refresh frequency of the GPU.
  • the current refresh rate of the GPU is the current refresh rate of the graphics card in the device connected to the display device, and the device may be a host, a tablet, a personal digital assistant, or other devices, which are not limited here.
  • the current frame display period is the total duration from the generation of one frame to the next frame, that is, the current frame display period is the sum of the frame display duration and the vertical blank area duration (Vtt).
  • the step of obtaining the current frame display period corresponding to the current refresh frequency of the GPU includes:
  • Vtt is inversely proportional to the current refresh rate of the GPU. If the current refresh rate of the GPU is higher, the Vtt time is shorter, that is, the vertical blank area is shorter. In this case, the TFT inside the display device does not have a long time to discharge, so the leakage of electricity is not serious, so the difference in brightness is small. On the contrary, if the current refresh rate of the GPU is low, the Vtt time is long, that is, the vertical blank area is long. In this case, the TFT inside the display device has a long time to discharge, so the leakage of electricity is serious, so the difference in brightness is large. Therefore, when the current refresh rate of the GPU is low, the leakage of electricity will cause a large difference in brightness. Therefore, a preset refresh rate can be set, and based on the preset refresh rate, it is determined whether the current refresh rate of the GPU will affect the leakage of the TFT. When there is a large difference in brightness.
  • the current frame display period corresponding to the current refresh rate is obtained.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • Step 102 Determine the start time and duration of the vertical blank area based on a preset frame display duration and the current frame display period.
  • the frame display duration on the display device is fixed. After the Vtt is determined, it can be determined from which time point is the starting time point of the vertical blank area according to the Vtt duration and the preset frame display duration, and determine the Duration of vertical white space.
  • the step of determining the start time and duration of the vertical blank area based on the preset frame display duration and the current frame display period includes:
  • the start time and duration of the vertical blank area are determined according to the preset frame generation duration and the current frame display period, and the period from the start time to the end of the current display period in the current frame display period is determined.
  • the duration is determined as the duration of the vertical blank area.
  • Vtt is 0.02s
  • the preset frame display duration is 0.01s
  • the start time of the vertical blank area is the 0.01s in Vtt
  • Step 103 controlling the target image to be displayed from the starting time according to the duration.
  • some target images can be added at the start time of the vertical blank area, that is, the occurrence of TFT leakage can be avoided by adding images. Then, the target image can be controlled to be displayed according to the duration from the start time.
  • the target image is a high grayscale luminance image.
  • the target image in order to pass the Freesync certification, can be set as a high-brightness grayscale image, so as to avoid the problem of excessive brightness difference.
  • FIG. 2 is another schematic flowchart of a display method provided by an embodiment of the present application.
  • the method flow may include:
  • Step 201 Obtain the current refresh rate of the GPU, and determine whether the current refresh rate is less than a preset refresh rate.
  • the current refresh rate of the GPU is the current refresh rate of the graphics card in the device connected to the display device, and the device may be a host, a tablet, a personal digital assistant, or other devices, which are not limited here.
  • the current frame display period is the total duration from the generation of one frame to the next frame, that is, the current frame display period is the sum of the frame display duration and the vertical blank area duration (Vtt).
  • Vtt is inversely proportional to the current refresh rate of the GPU. If the current refresh rate of the GPU is higher, the Vtt time is shorter, that is, the vertical blank area is shorter. In this case, the TFT inside the display device does not have a long time to discharge, so the leakage of electricity is not serious, so the difference in brightness is small.
  • the current refresh rate of the GPU is low, the Vtt time is long, that is, the vertical blank area is long. In this case, the TFT inside the display device has a long time to discharge, so the leakage of electricity is serious, so the difference in brightness is large. Therefore, when the current refresh rate of the GPU is low, the leakage of electricity will cause a large difference in brightness. Therefore, a preset refresh rate can be set, and based on the preset refresh rate, it is determined whether the current refresh rate of the GPU will affect the leakage of the TFT. When there is a large difference in brightness.
  • Step 202 If the current refresh rate is less than the preset refresh rate, acquire the current frame display period corresponding to the current refresh rate.
  • the preset refresh frequency may be any value between 70 Hz and 90 Hz.
  • Step 203 Determine the start time and duration of the vertical blank area according to the preset frame generation duration and the current frame display period, and determine the duration from the start time to the end of the current display period in the current frame display period as the vertical blank The duration of the zone.
  • the frame display duration on the display device is fixed. After the Vtt is determined, it can be determined from which time point is the starting time point of the vertical blank area according to the Vtt duration and the preset frame display duration, and determine the Duration of vertical white space.
  • Vtt is 0.02s
  • the preset frame display duration is 0.01s
  • the start time of the vertical blank area is the 0.01s in Vtt
  • Step 204 controlling the target image to be displayed from the starting time according to the duration.
  • some target images can be added at the start time of the vertical blank area, that is, the occurrence of TFT leakage can be avoided by adding images. Then, the target image can be controlled to be displayed according to the duration from the start time.
  • the target image can be set as a high-brightness grayscale image, so as to avoid the problem of excessive brightness difference.
  • Embodiments of the present application also provide a display device, including:
  • an acquisition unit for acquiring the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • a determining unit configured to determine the start time and duration of the vertical blank area based on a preset frame display duration and the current frame display period
  • the control unit is configured to control the target image to be displayed from the starting time according to the duration.
  • the acquisition unit includes:
  • a judging subunit used to obtain the current refresh frequency, and judge whether the current refresh frequency is less than the preset refresh frequency
  • a first obtaining subunit configured to obtain a current frame display period corresponding to the current refresh frequency if the current refresh frequency is less than a preset refresh frequency.
  • the determining unit includes:
  • the determining subunit is used to determine the start time and duration of the vertical blank area according to the preset frame generation duration and the current frame display period, and determine the start time and duration of the vertical blank area in the current frame display period from the start time The duration until the end of the current display period is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • FIG. 3 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • the display device may include an acquisition unit 301, a determination unit 302, a control unit 303, and the like.
  • the obtaining unit 301 is configured to obtain the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration.
  • the determining unit 302 is configured to determine the start time and the duration of the vertical blank area based on the preset frame display duration and the current frame display period.
  • the control unit 303 is configured to control the target image to be displayed from the starting time according to the duration.
  • the obtaining unit 301 includes:
  • a judging subunit used to obtain the current refresh frequency, and judge whether the current refresh frequency is less than the preset refresh frequency
  • An obtaining subunit configured to obtain a current frame display period corresponding to the current refresh frequency if the current refresh frequency is less than a preset refresh frequency.
  • the determining unit 302 includes:
  • the determining subunit is used to determine the start time and duration of the vertical blank area according to the preset frame generation duration and the current frame display period, and determine the start time and duration of the vertical blank area in the current frame display period from the start time The duration until the end of the current display period is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • Embodiments of the present application further provide a display device, including a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, when the processor executes the program, the display method is implemented, and the The display methods described above include:
  • the current refresh rate is less than the preset refresh rate, obtain the current frame display period corresponding to the current refresh rate, where the current frame display period is the sum of the frame display duration and the vertical blank area duration;
  • the target image is controlled to be displayed from the starting time according to the duration, and the target image is a high-gray-scale brightness image.
  • the step of determining the start time and duration of the vertical blank area based on the preset frame display duration and the current frame display period includes:
  • the start time and duration of the vertical blank area are determined according to the preset frame generation duration and the current frame display period, and the period from the start time to the end of the current display period in the current frame display period is determined.
  • the duration is determined as the duration of the vertical blank area.
  • the preset refresh frequency is any value between 70 Hz and 90 Hz.
  • the embodiment of the present application also provides a display device, as shown in FIG. 4 , which shows a schematic structural diagram of the display device involved in the embodiment of the present application, specifically:
  • the display device may include a processor 401 of one or more processing cores, a memory 402 of one or more computer-readable storage media, a power supply 403 and an input unit 404 and other components.
  • a processor 401 of one or more processing cores may include a processor 401 of one or more processing cores, a memory 402 of one or more computer-readable storage media, a power supply 403 and an input unit 404 and other components.
  • FIG. 4 does not constitute a limitation on the display device, and may include more or less components than shown, or combine some components, or arrange different components. in:
  • the processor 401 is the control center of the display device, uses various interfaces and lines to connect various parts of the entire display device, runs or executes the software programs and/or modules stored in the memory 402, and invokes the software programs and/or modules stored in the memory 402. Data, perform various functions of the display device and process data, so as to monitor the display device as a whole.
  • the processor 401 may include one or more processing cores; optionally, the processor 401 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs etc., the modem processor mainly deals with wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 401.
  • the memory 402 can be used to store software programs and modules, and the processor 401 executes various functional applications and data processing by running the software programs and modules stored in the memory 402 .
  • the memory 402 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of the server, etc.
  • memory 402 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, memory 402 may also include a memory controller to provide processor 401 access to memory 402 .
  • the display device also includes a power supply 403 for supplying power to various components.
  • the power supply 403 can be logically connected to the processor 401 through a power management system, so that functions such as charging, discharging, and power consumption management are implemented through the power management system.
  • Power source 403 may also include one or more DC or AC power sources, recharging systems, power failure detection circuits, power converters or inverters, power status indicators, and any other components.
  • the display device may also include an input unit 404 that may be used to receive input numerical or character information and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.
  • an input unit 404 may be used to receive input numerical or character information and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.
  • the display device may also include a display unit and the like, which will not be described herein again.
  • the processor 401 in the display device loads the executable files corresponding to the processes of one or more application programs into the memory 402 according to the following instructions, and the processor 401 executes them and stores them in the memory 402 .
  • the application program in the memory 402, thereby implementing various method steps provided by the foregoing embodiments, are as follows:
  • the current frame display period corresponding to the current refresh frequency of the GPU is the sum of the frame display duration and the vertical blank area duration; determine the vertical blank area based on the preset frame display duration and the current frame display period. Start time and duration; control the target image to be displayed from the start time according to the duration.
  • the display device of the embodiment of the present application can obtain the current frame display period corresponding to the current refresh frequency of the GPU, where the current frame display period is the sum of the frame display duration and the vertical blank area duration; based on the preset frame display duration and The current frame display period determines the start time and duration of the vertical blank area; the control target image is displayed from the start time according to the duration. In this way, by inserting the target image in the vertical blank area, the problem of excessive gray-scale brightness change caused by being in the vertical blank area is avoided.
  • the embodiments of the present application provide a computer-readable storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to execute steps in any display method provided by the embodiments of the present application.
  • the instruction can perform the following steps:
  • the current frame display period corresponding to the current refresh frequency of the GPU is the sum of the frame display duration and the vertical blank area duration; determine the vertical blank area based on the preset frame display duration and the current frame display period. Start time and duration; control the target image to be displayed from the start time according to the duration.
  • the readable storage medium of the display device may include: Read Only Memory (ROM, Read Only Memory) Memory), random access memory (RAM, Random Access Memory), disk or CD, etc.

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Abstract

一种显示方法、装置及显示设备，方法包括：获取GPU当前刷新频率对应的当前帧显示周期（101），当前帧显示周期为帧显示时长及垂直空白区域时长之和；基于预设帧显示时长及当前帧显示周期确定垂直空白区域的起始时间及持续时长（102）；控制目标图像按照持续时长从起始时间处进行显示（103）。

Description

显示方法、装置及显示设备 技术领域
本申请涉及显示技术领域，具体涉及一种显示方法、装置及显示设备。
 背景技术
目前，很多显示设备具有显示变频功能。例如，随着显示设备向游戏方向发展，为解决在高刷新率画面下的卡顿撕裂问题，很多显示设备已支持显示变频技术 (Freesync)功能。
相关技术中，Freesync功能是通过调节显示设备中阴极射线在输出一帧图像后返回重新输出时的时间，即V-Blank（垂直空白），从而动态调节显示设备的。然而由于低刷新率为维持垂直空白行时间段内的灰阶亮度，像素电容电压的保持时间势必相比于高刷新频率更长，而保持时间越长则漏电越多，灰阶电压出现变化，从而造成灰阶亮度变化差异较大。
因此，现有技术存在缺陷，急需改进。
 技术问题
本申请实施例提供一种显示方法、显示装置及显示设备，可以避免灰阶亮度变化差异较大。
 技术解决方案
第一方面，本申请实施例提供一种显示方法，包括：
获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制目标图像按照所述持续时长从所述起始时间处进行显示。
在本申请所述的显示方法中，所述获取GPU当前刷新频率对应的当前帧显示周期的步骤，包括：
获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
在本申请所述的显示方法中，所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
在本申请所述的显示方法中，所述预设刷新频率为70Hz~90Hz中任一值。
在本申请所述的显示方法中，所述目标图像为高灰阶亮度图像。
第二方面，本申请实施例还提供一种显示装置，包括：
获取单元，用于获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
确定单元，用于基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制单元，用于控制目标图像按照所述持续时长从所述起始时间处进行显示。
在本申请所述的显示装置中，所述获取单元，包括：
判断子单元，用于获取当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
第一获取子单元，用于若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
在本申请所述的显示装置中，所述确定单元，包括：
确定子单元，用于根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
在本申请所述的显示装置中，所述预设刷新频率为70Hz~90Hz中任一值。
第三方面，本申请实施例还提供一种显示设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其特征在于，所述处理器执行所述程序时实现显示方法，所述显示方法包括：
获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制目标图像按照所述持续时长从所述起始时间处进行显示，所述目标图像为高灰阶亮度图像。
在本申请所述的显示设备中，其中所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
在本申请所述的显示设备中，其中所述预设刷新频率为70Hz~90Hz中任一值。
 有益效果
本申请实施例提供的显示方法，包括获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；控制目标图像按照所述持续时长从所述起始时间处进行显示。通过在垂直空白区域插入目标图像的方式以避免处于垂直空白区域导致灰阶亮度变化过大的问题。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，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，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，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。
图1为本申请实施例提供的显示方法的流程示意图。
图2为本申请实施例提供的显示方法的另一流程示意图。
图3为本申请实施例提供的显示装置的结构示意图。
图4为本申请实施例提供的显示设备的结构示意图。
 本发明的实施方式
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，所描述的实施例仅仅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，本领域技术人员在没有作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。
现有技术中，具有显示变频技术（Freesync）的显示器需要通过显卡机构的认证，其认证标准为在显示器标榜的频率变化范围（例如:48-144HZ）内亮度差/频率差≦0.03nit/Hz，即Lmax-Lmin/Fmax-Fmin≦0.03，但因Freesync技术是通过改变显示时长及垂直空白区域时长之和（Vtt）来动态的调节显示器的刷新率的原理，同时由于面内制程技术的限制，当刷新率降低时Vtt时间加长，从而存在频率变化时漏电较严重的现象，导致Freesync认证过程中亮度差较大而无法通过。
本申请实施例提供一种显示方法，包括：
获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制目标图像按照所述持续时长从所述起始时间处进行显示。
其中，所述获取GPU当前刷新频率对应的当前帧显示周期的步骤，包括：
获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
其中，所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
其中，所述预设刷新频率为70Hz~90Hz中任一值。
其中，所述目标图像为高灰阶亮度图像。
请参阅图1，图1为本申请实施例提供的显示方法的流程示意图。该显示方法包括：
步骤101、获取GPU当前刷新频率对应的当前帧显示周期。
其中，GPU当前刷新频率即连接显示设备的设备中显卡的当前刷新频率，该设备可以为主机、平板及个人数字助理等设备，此处不做限定。当前帧显示周期为从一帧画面的生成到即将生成下一帧画面的总时长，即当前帧显示周期为帧显示时长及垂直空白区域时长之和（Vtt）。
在一些实施方式中，所述获取GPU当前刷新频率对应的当前帧显示周期的步骤，包括：
（1）获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
（2）若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
其中，Vtt与GPU当前刷新频率成反比，若GPU当前刷新频率较高，则Vtt时间较短，也即垂直空白区域的较短。在该情况下，显示设备内部的TFT没有较长的时间去放电，故漏电情况不严重，因此亮度差异较小。反之，若GPU当前刷新频率较低，则Vtt时间较长，也即垂直空白区域的较长。在该情况下，显示设备内部的TFT有较长的时间去放电，故漏电情况严重，因此亮度差异较大。故在GPU当前刷新频率较低的情况下才会出现漏电导致亮度差异大的情况，故可设定一预设刷新频率，基于该预设刷新频率去判断GPU当前刷新频率是否会影响TFT漏电导致亮度差异大的情况。
在GPU当前刷新频率小于预设刷新频率时，获取当前刷新频率对应的当前帧显示周期。
在一些实施方式中，所述预设刷新频率为70Hz~90Hz中任一值。
步骤102、基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长。
其中，显示设备上帧显示时长是固定的，当确定出Vtt后，可根据Vtt时长及预设的帧显示时长确定出从哪一时间点开始为垂直空白区域的起始时间点，并确定出垂直空白区域的持续时长。
在一些实施方式中，所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
例如：Vtt为0.02s，预设的帧显示时长为0.01s，则垂直空白区的起始时间为Vtt中第0.01s，持续时长为0.02s-0.01s=0.01s。
步骤103、控制目标图像按照持续时长从起始时间处进行显示。
其中，为了避免TFT由于垂直空白区域的持续时长过大导致的漏电现象，可在垂直空白区域的起始时间加入一些目标图像，即通过加图像的方式避免TFT漏电的发生。则可控制目标图像从起始时间开始按照持续时长进行显示。
在一些实施方式中，所述目标图像为高灰阶亮度图像。
其中，为了通过Freesync认证，可将目标图像设置为高亮度的灰阶图像，从而避免亮度差异过大的问题。
请参阅图2，图2为本申请实施例提供的显示方法的另一流程示意图。该方法流程可以包括：
步骤201、获取GPU当前刷新频率，判断当前刷新频率是否小于预设刷新频率。
其中，GPU当前刷新频率即连接显示设备的设备中显卡的当前刷新频率，该设备可以为主机、平板及个人数字助理等设备，此处不做限定。当前帧显示周期为从一帧画面的生成到即将生成下一帧画面的总时长，即当前帧显示周期为帧显示时长及垂直空白区域时长之和（Vtt）。Vtt与GPU当前刷新频率成反比，若GPU当前刷新频率较高，则Vtt时间较短，也即垂直空白区域的较短。在该情况下，显示设备内部的TFT没有较长的时间去放电，故漏电情况不严重，因此亮度差异较小。反之，若GPU当前刷新频率较低，则Vtt时间较长，也即垂直空白区域的较长。在该情况下，显示设备内部的TFT有较长的时间去放电，故漏电情况严重，因此亮度差异较大。故在GPU当前刷新频率较低的情况下才会出现漏电导致亮度差异大的情况，故可设定一预设刷新频率，基于该预设刷新频率去判断GPU当前刷新频率是否会影响TFT漏电导致亮度差异大的情况。
步骤202、若当前刷新频率小于预设刷新频率，则获取当前刷新频率对应的当前帧显示周期。
其中，在GPU当前刷新频率小于预设刷新频率时，获取当前刷新频率对应的当前帧显示周期。进一步的，预设刷新频率可以为70Hz~90Hz中任一值。
步骤203、根据预设帧生成时长及当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将当前帧显示周期中自起始时间起始至当前显示周期结束的时长确定为垂直空白区域的持续时长。
其中，显示设备上帧显示时长是固定的，当确定出Vtt后，可根据Vtt时长及预设的帧显示时长确定出从哪一时间点开始为垂直空白区域的起始时间点，并确定出垂直空白区域的持续时长。
例如：Vtt为0.02s，预设的帧显示时长为0.01s，则垂直空白区的起始时间为Vtt中第0.01s，持续时长为0.02s-0.01s=0.01s。
步骤204、控制目标图像按照持续时长从起始时间处进行显示。
其中，为了避免TFT由于垂直空白区域的持续时长过大导致的漏电现象，可在垂直空白区域的起始时间加入一些目标图像，即通过加图像的方式避免TFT漏电的发生。则可控制目标图像从起始时间开始按照持续时长进行显示。
进一步的，为了通过Freesync认证，可将目标图像设置为高亮度的灰阶图像，从而避免亮度差异过大的问题。
本申请实施例还提供一种显示装置，包括：
获取单元，用于获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
确定单元，用于基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制单元，用于控制目标图像按照所述持续时长从所述起始时间处进行显示。
其中，所述获取单元，包括：
判断子单元，用于获取当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
第一获取子单元，用于若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
其中，所述确定单元，包括：
确定子单元，用于根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
其中，所述预设刷新频率为70Hz~90Hz中任一值。
请参阅图3，图3为本申请实施例提供的显示装置的结构示意图。其中该显示装置可以包括获取单元301、确定单元302以及控制单元303等。
获取单元301，用于获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和。
确定单元302，用于基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长。
控制单元303，用于控制目标图像按照所述持续时长从所述起始时间处进行显示。
在一些实施方式中，获取单元301，包括：
判断子单元，用于获取当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
获取子单元，用于若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
在一些实施方式中，确定单元302，包括：
确定子单元，用于根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
在一些实施方式中，所述预设刷新频率为70Hz~90Hz中任一值。
本申请实施例还提供一种显示设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其特征在于，所述处理器执行所述程序时实现显示方法，所述显示方法包括：
获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
控制目标图像按照所述持续时长从所述起始时间处进行显示，所述目标图像为高灰阶亮度图像。
其中，所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
其中，所述预设刷新频率为70Hz~90Hz中任一值。
本申请实施例还提供一种显示设备，如图4所示，其示出了本申请实施例所涉及的显示设备的结构示意图，具体来讲：
该显示设备可以包括一个或者一个以上处理核心的处理器401、一个或一个以上计算机可读存储介质的存储器402、电源403和输入单元404等部件。本领域技术人员可以理解，图4中示出的显示设备结构并不构成对显示设备的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。其中：
处理器401是该显示设备的控制中心，利用各种接口和线路连接整个显示设备的各个部分，通过运行或执行存储在存储器402内的软件程序和/或模块，以及调用存储在存储器402内的数据，执行显示设备的各种功能和处理数据，从而对显示设备进行整体监控。可选的，处理器401可包括一个或多个处理核心；可选的，处理器401可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器401中。
存储器402可用于存储软件程序以及模块，处理器401通过运行存储在存储器402的软件程序以及模块，从而执行各种功能应用以及数据处理。存储器402可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序（比如声音播放功能、图像播放功能等）等；存储数据区可存储根据服务器的使用所创建的数据等。此外，存储器402可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。相应地，存储器402还可以包括存储器控制器，以提供处理器401对存储器402的访问。
显示设备还包括给各个部件供电的电源403，可选的，电源403可以通过电源管理系统与处理器401逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。电源403还可以包括一个或一个以上的直流或交流电源、再充电系统、电源故障检测电路、电源转换器或者逆变器、电源状态指示器等任意组件。
显示设备还可包括输入单元404，该输入单元404可用于接收输入的数字或字符信息，以及产生与用户设置以及功能控制有关的键盘、鼠标、操作杆、光学或者轨迹球信号输入。
尽管未示出，显示设备还可以包括显示单元等，在此不再赘述。具体在本实施例中，显示设备中的处理器401会按照如下的指令，将一个或一个以上的应用程序的进程对应的可执行文件加载到存储器402中，并由处理器401来运行存储在存储器402中的应用程序，从而实现前述实施例提供的各种方法步骤，如下：
获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；控制目标图像按照所述持续时长从所述起始时间处进行显示。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见上文针对信息处理方法的详细描述，此处不再赘述。
由上述可知，本申请实施例的显示设备可以通过获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；控制目标图像按照所述持续时长从所述起始时间处进行显示。以此，通过在垂直空白区域插入目标图像的方式以避免处于垂直空白区域导致灰阶亮度变化过大的问题。
本领域普通技术人员可以理解，上述实施例的各种方法中的全部或部分步骤可以通过指令来完成，或通过指令控制相关的硬件来完成，该指令可以存储于一计算机可读存储介质中，并由处理器进行加载和执行。
为此，本申请实施例提供一种计算机可读存储介质，其中存储有多条指令，该指令能够被处理器进行加载，以执行本申请实施例所提供的任一种显示方法中的步骤。例如，该指令可以执行如下步骤：
获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；控制目标图像按照所述持续时长从所述起始时间处进行显示。
以上各个操作的具体实施可参见前面的实施例，在此不再赘述。
其中，该显示设备可读存储介质可以包括：只读存储器（ROM，Read Only Memory）、随机存取记忆体（RAM，Random Access Memory）、磁盘或光盘等。
由于该显示设备可读存储介质中所存储的指令，可以执行本申请实施例所提供的任一种信息处理方法中的步骤，因此，可以实现本申请实施例所提供的任一种信息处理方法所能实现的有益效果，详见前面的实施例，在此不再赘述。
以上对本申请实施例所提供的一种信息处理方法、装置及计算机可读存储介质进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (12)

  1. 一种显示方法，其包括：
    获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
    基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
    控制目标图像按照所述持续时长从所述起始时间处进行显示。
  2. 根据权利要求1所述的显示方法，其中所述获取GPU当前刷新频率对应的当前帧显示周期的步骤，包括：
    获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
    若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
  3. 根据权利要求2所述的显示方法，其中所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
    根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
  4. 根据权利要求2所述的显示方法，其中所述预设刷新频率为70Hz~90Hz中任一值。
  5. 根据权利要求1所述的显示方法，其中所述目标图像为高灰阶亮度图像。
  6. 一种显示装置，其包括：
    获取单元，用于获取GPU当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
    确定单元，用于基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
    控制单元，用于控制目标图像按照所述持续时长从所述起始时间处进行显示。
  7. 根据权利要求6所述的显示装置，其中所述获取单元，包括：
    判断子单元，用于获取当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
    获取子单元，用于若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期。
  8. 根据权利要求7所述的显示装置，其中所述确定单元，包括：
    确定子单元，用于根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
  9. 根据权利要求7所述的显示装置，其中所述预设刷新频率为70Hz~90Hz中任一值。
  10. 一种显示设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中所述处理器执行所述程序时实现显示方法，所述显示方法包括：
    获取GPU当前刷新频率，判断所述当前刷新频率是否小于预设刷新频率；
    若所述当前刷新频率小于预设刷新频率，则获取所述当前刷新频率对应的当前帧显示周期，所述当前帧显示周期为帧显示时长及垂直空白区域时长之和；
    基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长；
    控制目标图像按照所述持续时长从所述起始时间处进行显示，所述目标图像为高灰阶亮度图像。
  11. 根据权利要求10所述的显示设备，其中所述基于预设帧显示时长及所述当前帧显示周期确定所述垂直空白区域的起始时间及持续时长的步骤，包括：
    根据所述预设帧生成时长及所述当前帧显示周期确定垂直空白区域的起始时间及持续时长，并将所述当前帧显示周期中自所述起始时间起始至当前显示周期结束的时长确定为所述垂直空白区域的持续时长。
  12. 根据权利要求10所述的显示设备，其中所述预设刷新频率为70Hz~90Hz中任一值。
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