CN103021315B - A kind of method and terminal thereof promoting display screen display effect - Google Patents
A kind of method and terminal thereof promoting display screen display effect Download PDFInfo
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Abstract
本发明公开了一种提升显示屏显示效果的方法及其终端设备，所述的终端设备包括光传感器、主芯片及感光IC，所述方法包括以下步骤：a.设置多组显示屏伽玛值，并且每一组伽玛值对应一个环境光区间的光强度；b.光传感器感应环境光，并获取光强度，将光强度传送给感光IC；c.感光IC对环境光强度进行分析，得到环境光的色调值、亮度值及饱和度值，并传送给主芯片；d.主芯片根据环境光调用预设的显示屏伽玛值，并将该伽玛值传送给显示屏，显示屏根据伽玛值调整显示屏的对比度。本发明在不同环境光下，设置相对应的显示屏伽玛值，来调节显示屏的对比度，达到提高显示屏显示效果的目的。
The invention discloses a method for improving the display effect of a display screen and its terminal equipment. The terminal equipment includes a light sensor, a main chip and a photosensitive IC. The method includes the following steps: a. Setting multiple groups of display gamma values , and each group of gamma values corresponds to the light intensity of an ambient light interval; b. The light sensor senses the ambient light, obtains the light intensity, and transmits the light intensity to the photosensitive IC; c. The photosensitive IC analyzes the ambient light intensity to obtain The hue value, brightness value and saturation value of the ambient light are transmitted to the main chip; d. The main chip calls the preset gamma value of the display screen according to the ambient light and transmits the gamma value to the display screen. The gamma value adjusts the contrast of the display. The present invention sets the corresponding gamma value of the display screen under different ambient light to adjust the contrast of the display screen and achieve the purpose of improving the display effect of the display screen.
Description
技术领域 technical field
本发明涉及一种在不同环境光下的终端设备显示屏显示技术，特别是涉及一种动态调整伽玛值（伽玛值），以提升显示屏显示效果的方法及其终端。 The present invention relates to a display technology of a display screen of a terminal device under different ambient light, in particular to a method for dynamically adjusting a gamma value (gamma value) to improve the display effect of a display screen and a terminal thereof.
背景技术 Background technique
随着手持设备的发展，用户对智能终端设备的要求越来越高，在不同场景下用户有着不同的需求。例如在强光下（如太阳光直射下）对显示效果的要求就是这其中最重要的一项。对此传统处理方法，是通过提高背光灯的亮度，或者从显示屏的结构材料等方面入手，这样带来的坏处是整机功耗的增加以及显示屏成本的不断上升，这是任何一家手持设备厂商和用户都不愿意看到的结果。 With the development of handheld devices, users have higher and higher requirements for smart terminal devices, and users have different needs in different scenarios. For example, the requirement for display effect under strong light (such as direct sunlight) is one of the most important items. The traditional solution to this problem is to increase the brightness of the backlight or start with the structural materials of the display screen. The disadvantages of this are the increase in power consumption of the whole machine and the continuous rise in the cost of the display screen. Both equipment manufacturers and users are unwilling to see the result.
一般情况下显示器伽玛值是显示器的物理属性，固定的，不变的，不可校正的。显示器伽马在不同的上下文环境中，有不同的含义，一个意思是指显示器的输出图像对输入信号的失真，另一个意思是指这种失真的具体数值。由于显示器伽马和文件伽马是固定不变的，伽马校正过程是校正计算机的系统伽马！使得显示器伽马、系统伽马、文件伽马三个变换的叠加为1.0,从而使最终显示器的图像和原始场景一样，不存在失真。 In general, the monitor gamma value is a physical property of the monitor, which is fixed, unchanging, and uncorrectable. Display gamma has different meanings in different contexts. One meaning refers to the distortion of the output image of the display to the input signal, and the other means the specific value of this distortion. Since the monitor gamma and file gamma are fixed, the gamma correction process is to correct the computer's system gamma! The superposition of the three transformations of display gamma, system gamma, and file gamma is 1.0, so that the final display image is the same as the original scene without distortion.
如果调整显示器的伽玛值则容易造成失真，如何能够在调整伽玛值的同时大幅度降低失真状况为本发明需要解决的问题。 If the gamma value of the display is adjusted, it will easily cause distortion. How to greatly reduce the distortion while adjusting the gamma value is the problem to be solved in the present invention.
发明内容 Contents of the invention
本发明的目的在于克服现有技术的不足，提供一种提升显示屏显示效果的方法及其终端，根据不同的环境光动态调整伽玛值，使显示画面更有层次感，显示画面更加清晰，效果更好，给用户视觉带来良好的体验。 The purpose of the present invention is to overcome the deficiencies of the prior art, provide a method for improving the display effect of the display screen and its terminal, and dynamically adjust the gamma value according to different ambient lights, so that the display screen has a more layered sense and the display screen is clearer. The effect is better, and it brings a good experience to the user's vision.
为了达到上述目的，本发明采用的技术方案是，一种提升显示屏显示效果的方法，应用于终端设备，所述的终端设备包括光传感器、主芯片及感光IC，包括以下步骤： In order to achieve the above object, the technical solution adopted by the present invention is a method for improving the display effect of a display screen, which is applied to a terminal device. The terminal device includes a light sensor, a main chip and a photosensitive IC, and includes the following steps:
a.设置多组显示屏伽玛值，并且每一组伽玛值对应一个环境光区间的光强度； a. Set multiple groups of display gamma values, and each group of gamma values corresponds to the light intensity of an ambient light interval;
b.光传感器感应环境光，并获取光强度，将光强度传送给感光IC； b. The light sensor senses the ambient light, obtains the light intensity, and transmits the light intensity to the photosensitive IC;
c.感光IC对环境光强度进行分析，得到环境光的色调值、亮度值及饱和度值，并传送给主芯片； c. The photosensitive IC analyzes the ambient light intensity, obtains the hue value, brightness value and saturation value of the ambient light, and transmits it to the main chip;
d.主芯片根据环境光调用预设的显示屏伽玛值，并将该伽玛值传送给显示屏，显示屏根据伽玛值调整显示屏的对比度。 d. The main chip calls the preset gamma value of the display screen according to the ambient light, and transmits the gamma value to the display screen, and the display screen adjusts the contrast ratio of the display screen according to the gamma value.
进一步的，步骤a具体包括： Further, step a specifically includes:
步骤S101.将环境光光强度分为N个区间； Step S101. Divide the ambient light intensity into N intervals;
步骤S102.根据光强度设置N组显示屏伽玛值； Step S102. Set N groups of display gamma values according to light intensity;
步骤S103.设置伽玛值与光强度区间的一一映射关系。 Step S103. Setting a one-to-one mapping relationship between the gamma value and the light intensity interval.
进一步的，所述的区间N中，N为大于零的整数，由系统设定。 Further, in the interval N, N is an integer greater than zero and is set by the system.
进一步的，步骤d所述的主芯片根据环境光调用预设的显示屏伽玛值具体包括： Further, the main chip described in step d calling the preset gamma value of the display screen according to the ambient light specifically includes:
步骤S201.根据环境光的色调值、亮度值及饱和度值读取环境光的区间； Step S201. Read the range of ambient light according to the hue value, brightness value and saturation value of the ambient light;
步骤S202.根据环境光区间与伽马值的映射关系获取与环境光区间对应的伽马值； Step S202. Obtain the gamma value corresponding to the ambient light interval according to the mapping relationship between the ambient light interval and the gamma value;
步骤S203.将对应的伽玛值设置为当前显示屏伽玛值。 Step S203. Set the corresponding gamma value as the current display gamma value.
进一步的，所述的方法进一步包括一虚拟开关，用于在自动调节显示屏对比度与手动调节显示屏对比对之间切换。 Further, the method further includes a virtual switch for switching between automatically adjusting the contrast of the display screen and manually adjusting the contrast of the display screen.
一种所述的提升显示屏显示效果的方法的终端，包括： A terminal of the method for improving the display effect of the display screen, comprising:
设置模块，用于设置多组显示屏伽玛值，并且每一组伽玛值对应一个环境光区间的光强度； The setting module is used to set multiple groups of display gamma values, and each group of gamma values corresponds to the light intensity of an ambient light interval;
光传感器，用于感应环境光，并获取光强度，将光强度传送给感光IC； The light sensor is used to sense the ambient light, obtain the light intensity, and transmit the light intensity to the photosensitive IC;
感光IC，用于对环境光强度进行分析，得到环境光的色调值、亮度值及饱和度值，并传送给主芯片； Photosensitive IC, used to analyze the ambient light intensity, obtain the hue value, brightness value and saturation value of the ambient light, and send it to the main chip;
主芯片，用于根据环境光调用预设的显示屏伽玛值，并将该伽玛值传送给显示屏，显示屏根据伽玛值调整显示屏的对比度。 The main chip is used to call the preset gamma value of the display screen according to the ambient light, and transmit the gamma value to the display screen, and the display screen adjusts the contrast ratio of the display screen according to the gamma value.
进一步的，所述的设置模块包括： Further, the described setting module includes:
区间划分模块，用于将环境光光强度分为N个区间； The interval division module is used to divide the ambient light intensity into N intervals;
伽玛值分组设置模块，用于根据光强度设置N组显示屏伽玛值； The gamma value group setting module is used to set the gamma value of N groups of display screens according to the light intensity;
映射设置模块，用于设置伽玛值与光强度区间的一一映射关系。 The mapping setting module is used to set the one-to-one mapping relationship between the gamma value and the light intensity interval.
进一步的，所述的主芯片包括： Further, the main chip includes:
读取模块，用于根据环境光的色调值、亮度值及饱和度值读取环境光的区间； The reading module is used to read the range of ambient light according to the hue value, brightness value and saturation value of the ambient light;
获取模块，用于根据环境光区间与伽马值的映射关系获取与环境光区间对应的伽马值； An acquisition module, configured to acquire the gamma value corresponding to the ambient light interval according to the mapping relationship between the ambient light interval and the gamma value;
伽玛值设置模块，用于将对应的伽玛值设置为当前显示屏伽玛值。 The gamma value setting module is used to set the corresponding gamma value as the current display gamma value.
进一步的，所述的终端为移动终端。 Further, the terminal is a mobile terminal.
进一步的，所述的移动终端包括手机、电脑、MP3播放器、MP4播放器及电子书阅读器。 Further, the mobile terminal includes a mobile phone, a computer, an MP3 player, an MP4 player and an e-book reader.
与现有技术相比，本发明的有益效果是：在不同环境光下，设置相对应的显示屏伽玛值，来调节显示屏的对比度，达到提高显示屏显示效果的目的。 Compared with the prior art, the beneficial effect of the present invention is: under different ambient light, setting the corresponding gamma value of the display screen to adjust the contrast of the display screen, so as to achieve the purpose of improving the display effect of the display screen.
附图说明 Description of drawings
图1为本发明的方法流程图； Fig. 1 is the method flowchart of the present invention;
图2为本发明原理框图。 Fig. 2 is a schematic block diagram of the present invention.
具体实施方式 detailed description
下面结合实施例参照附图进行详细说明，以便对本发明的技术特征及优点进行更深入的诠释。 The following will describe in detail with reference to the accompanying drawings in conjunction with the embodiments, so as to further explain the technical features and advantages of the present invention.
本发明的方法流程图如图1所示，一种提升显示屏显示效果的方法，应用于终端设备，所述的终端设备包括光传感器、主芯片及感光IC，包括以下步骤： The flow chart of the method of the present invention is shown in Figure 1. A method for improving the display effect of a display screen is applied to a terminal device. The terminal device includes a light sensor, a main chip and a photosensitive IC, and includes the following steps:
a.设置多组显示屏伽玛值，并且每一组伽玛值对应一个环境光区间的光强度； a. Set multiple groups of display gamma values, and each group of gamma values corresponds to the light intensity of an ambient light interval;
b.光传感器感应环境光，并获取光强度，将光强度传送给感光IC； b. The light sensor senses the ambient light, obtains the light intensity, and transmits the light intensity to the photosensitive IC;
c.感光IC对环境光强度进行分析，得到环境光的色调值、亮度值及饱和度值，并传送给主芯片； c. The photosensitive IC analyzes the ambient light intensity, obtains the hue value, brightness value and saturation value of the ambient light, and transmits it to the main chip;
d.主芯片根据环境光调用预设的显示屏伽玛值，并将该伽玛值传送给显示屏，显示屏根据伽玛值调整显示屏的对比度。 d. The main chip calls the preset gamma value of the display screen according to the ambient light, and transmits the gamma value to the display screen, and the display screen adjusts the contrast ratio of the display screen according to the gamma value.
进一步的，步骤a具体包括： Further, step a specifically includes:
步骤S101.将环境光光强度分为N个区间，例如设置2两个区间，户外和室内，也可以增加白天和晚上，根据其光强度进行具体划分； Step S101. Divide the ambient light intensity into N intervals, for example, set two intervals, outdoor and indoor, and day and night can also be added, and be specifically divided according to the light intensity;
步骤S102.根据光强度设置N组显示屏伽玛值； Step S102. Set N groups of display gamma values according to light intensity;
步骤S103.设置伽玛值与光强度区间的一一映射关系。 Step S103. Setting a one-to-one mapping relationship between the gamma value and the light intensity interval.
进一步的，所述的区间N中，N为大于零的整数，由系统设定。 Further, in the interval N, N is an integer greater than zero and is set by the system.
进一步的，步骤d所述的主芯片根据环境光调用预设的显示屏伽玛值具体包括： Further, the main chip described in step d calling the preset gamma value of the display screen according to the ambient light specifically includes:
步骤S201.根据环境光的色调值、亮度值及饱和度值读取环境光的区间，例如该区间落入户外的光强度设置空间，则判断为用户户外的环境； Step S201. Read the range of ambient light according to the hue value, brightness value and saturation value of the ambient light. For example, if the range falls into the outdoor light intensity setting space, it is judged as the user's outdoor environment;
步骤S202.根据环境光区间与伽马值的映射关系获取与环境光区间对应的伽马值，根据判断调用户外的伽玛值； Step S202. Obtain the gamma value corresponding to the ambient light interval according to the mapping relationship between the ambient light interval and the gamma value, and call the outdoor gamma value according to the judgment;
步骤S203.将对应的伽玛值设置为当前显示屏伽玛值。 Step S203. Set the corresponding gamma value as the current display gamma value.
进一步的，所述的方法进一步包括一虚拟开关，用于在自动调节显示屏对比度与手动调节显示屏对比对之间切换。 Further, the method further includes a virtual switch for switching between automatically adjusting the contrast of the display screen and manually adjusting the contrast of the display screen.
一种所述的提升显示屏显示效果的方法的终端，包括： A terminal of the method for improving the display effect of the display screen, comprising:
设置模块，用于设置多组显示屏伽玛值，并且每一组伽玛值对应一个环境光区间的光强度； The setting module is used to set multiple groups of display gamma values, and each group of gamma values corresponds to the light intensity of an ambient light interval;
光传感器，用于感应环境光，并获取光强度，将光强度传送给感光IC； The light sensor is used to sense the ambient light, obtain the light intensity, and transmit the light intensity to the photosensitive IC;
感光IC，用于对环境光强度进行分析，得到环境光的色调值、亮度值及饱和度值，并传送给主芯片； Photosensitive IC, used to analyze the ambient light intensity, obtain the hue value, brightness value and saturation value of the ambient light, and send it to the main chip;
主芯片，用于根据环境光调用预设的显示屏伽玛值，并将该伽玛值传送给显示屏，显示屏根据伽玛值调整显示屏的对比度。 The main chip is used to call the preset gamma value of the display screen according to the ambient light, and transmit the gamma value to the display screen, and the display screen adjusts the contrast ratio of the display screen according to the gamma value.
进一步的，所述的设置模块包括： Further, the described setting module includes:
区间划分模块，用于将环境光光强度分为N个区间； The interval division module is used to divide the ambient light intensity into N intervals;
伽玛值分组设置模块，用于根据光强度设置N组显示屏伽玛值； The gamma value group setting module is used to set the gamma value of N groups of display screens according to the light intensity;
映射设置模块，用于设置伽玛值与光强度区间的一一映射关系。 The mapping setting module is used to set the one-to-one mapping relationship between the gamma value and the light intensity interval.
进一步的，所述的主芯片包括： Further, the main chip includes:
读取模块，用于根据环境光的色调值、亮度值及饱和度值读取环境光的区间； The reading module is used to read the range of ambient light according to the hue value, brightness value and saturation value of the ambient light;
获取模块，用于根据环境光区间与伽马值的映射关系获取与环境光区间对应的伽马值； An acquisition module, configured to acquire the gamma value corresponding to the ambient light interval according to the mapping relationship between the ambient light interval and the gamma value;
伽玛值设置模块，用于将对应的伽玛值设置为当前显示屏伽玛值。 The gamma value setting module is used to set the corresponding gamma value as the current display gamma value.
进一步的，所述的终端为移动终端。 Further, the terminal is a mobile terminal.
进一步的，所述的移动终端包括手机、电脑、MP3播放器、MP4播放器及电子书阅读器。 Further, the mobile terminal includes a mobile phone, a computer, an MP3 player, an MP4 player and an e-book reader.
显示屏为了调试效果，在显示屏驱动IC内部设置几组不同的伽玛值。然后，通过手机终端的软件去调用这些伽玛值，传统的方式是，显示屏调试好之后就为一组固定的伽玛值，不会存在两组或者两组以上的伽玛值。本发明改变传统的方法，在显示屏的驱动IC内设置几组不同的伽玛值，然后根据不同的条件去调用这些伽玛值。具体实现方式：光传感器感应外界环境光强度，然后通过感光IC把外界环境光转化为一组数据，接着把这组数据传给主芯片，主芯片根据这组数据，选定与之对应的，之前在软件中设置好的显示屏伽玛值，用这组伽玛值去改变显示屏的对比度。本发明有两种实现方式：1.自动调节显示屏对比度；2.手动调节显示屏对比度。自动调节就是根据环境光的强度，手机自动设置为跟光强相对应的对比度；手动调节就是用户自己可以拖动一个显示屏对比度的进度条或者输入一组数据，自由调节显示屏的对比度。 In order to debug the effect of the display screen, several groups of different gamma values are set inside the display driver IC. Then, call these gamma values through the software of the mobile terminal. The traditional way is that after the display screen is adjusted, it will be a set of fixed gamma values, and there will be no two or more than two sets of gamma values. The present invention changes the traditional method, sets several groups of different gamma values in the driver IC of the display screen, and then calls these gamma values according to different conditions. The specific implementation method: the light sensor senses the light intensity of the external environment, and then converts the external ambient light into a set of data through the photosensitive IC, and then transmits this set of data to the main chip, and the main chip selects the corresponding one according to this set of data. The display gamma value set in the software before, use this set of gamma value to change the contrast of the display screen. The present invention has two implementation modes: 1. Automatically adjust the contrast of the display screen; 2. Manually adjust the contrast of the display screen. Automatic adjustment means that according to the intensity of ambient light, the mobile phone automatically sets the contrast corresponding to the light intensity; manual adjustment means that the user can drag a display contrast progress bar or input a set of data to freely adjust the display contrast.
本发明改变传统的显示屏固定的一组伽玛值，在不同的光强下，显示屏设置与其相适应的伽玛值，然后利用手机软件在不同的光强下去调用与之对应的伽玛值。例如在强光下,会去调用一组伽玛值，这组伽玛值的设置是适应强光环境下的，其对比度更高。灰阶拉升更明显。而在室内弱光条件下，又会调用另外一组伽玛值，这个对比度相对于强光下会弱，更注重还原度的真实。 The present invention changes the fixed set of gamma values of the traditional display screen. Under different light intensities, the display screen sets the corresponding gamma values, and then uses the mobile phone software to call the corresponding gamma values under different light intensities. value. For example, under strong light, a set of gamma values will be called. The setting of this set of gamma values is adapted to the strong light environment, and its contrast is higher. The gray scale is more obvious. In indoor low-light conditions, another set of gamma values will be called. This contrast will be weaker than that under strong light, and more attention should be paid to the authenticity of the restoration.
如图2所示，室外环境（环境光强）下，太阳光照射到手机上，手机感光IC感应到环境光的强度，然后感光IC把这个强度转化为一组数据传送给主芯片，主芯片根据传送过来的光强数据，选择一组伽玛值，输出到显示屏，显示屏对比度被改变，用户感觉显示屏效果清晰。室内环境下（环境光弱），同样感光IC感应环境光，输出一组不同的数据到主芯片，主芯片选择另外一组伽玛值，输出到显示屏，显示屏再显示画面。 As shown in Figure 2, under the outdoor environment (ambient light intensity), when the sun shines on the mobile phone, the photosensitive IC of the mobile phone senses the intensity of the ambient light, and then the photosensitive IC converts this intensity into a set of data and sends it to the main chip. According to the transmitted light intensity data, a set of gamma values is selected and output to the display screen, the contrast of the display screen is changed, and the user feels that the display screen effect is clear. In the indoor environment (weak ambient light), the same photosensitive IC senses ambient light, outputs a set of different data to the main chip, the main chip selects another set of gamma values, outputs to the display screen, and the display screen displays the picture again.
以上内容是结合具体的优选方式对本发明所作的进一步详细说明，不应认定本发明的具体实施只局限于以上说明。对于本技术领域的技术人员而言，在不脱离本发明构思的前提下，还可以作出若干简单推演或替换，均应视为由本发明所提交的权利要求确定的保护范围之内。 The above content is a further detailed description of the present invention in combination with specific preferred modes, and it should not be deemed that the specific implementation of the present invention is limited to the above description. For those skilled in the art, without departing from the concept of the present invention, some simple deductions or substitutions can be made, which should be considered within the protection scope determined by the claims submitted in the present invention.
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| CN104616633B (en) * | 2015-02-27 | 2017-03-22 | 上海卓易科技股份有限公司 | Method and device for adjusting display screen of portable terminal |
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| CN109545159A (en) * | 2018-11-23 | 2019-03-29 | 京东方科技集团股份有限公司 | Gammate, virtual reality device and its driving method |
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| CN110473499B (en) * | 2019-07-18 | 2023-11-21 | 武汉天马微电子有限公司 | Gamma voltage debugging method for display panel, display panel and display device |
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