WO2017181503A1 - Display terminal backlight brightness adjustment method, device and television set - Google Patents

Display terminal backlight brightness adjustment method, device and television set Download PDF

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Publication number
WO2017181503A1
WO2017181503A1 PCT/CN2016/084911 CN2016084911W WO2017181503A1 WO 2017181503 A1 WO2017181503 A1 WO 2017181503A1 CN 2016084911 W CN2016084911 W CN 2016084911W WO 2017181503 A1 WO2017181503 A1 WO 2017181503A1
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WO
WIPO (PCT)
Prior art keywords
display terminal
backlight brightness
ambient light
light source
spectral
Prior art date
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PCT/CN2016/084911
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French (fr)
Chinese (zh)
Inventor
易山珍
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深圳Tcl数字技术有限公司
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Publication of WO2017181503A1 publication Critical patent/WO2017181503A1/en

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    • 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
    • G09G3/34—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 by control of light from an independent source
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/3406—Control of illumination source

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a television set for adjusting brightness of a backlight of a display terminal.
  • the display products such as TVs are continuously introduced into various energy-saving technologies, such as automatically adjusting the backlight of the TV set according to changes in ambient light, that is, satisfying the requirements for users to watch TV. At the same time, it also meets the need to reduce energy consumption, thereby achieving the goal of energy saving and emission reduction.
  • the existing technical solution for adjusting the backlight brightness of the display terminal is only designed for a specific typical ambient light source, such as a fluorescent light source, and if the fluorescent light source is replaced with another ambient light source, such as a halogen lamp or an LED lamp, There may be a state in which the backlight brightness of the display terminal is too low or too high, which may cause people to feel uncomfortable when viewing. In addition, if the brightness of the backlight of the display terminal is too high, the energy consumption may further increase.
  • the main object of the present invention is to provide a method, a device and a television for adjusting the backlight brightness of a display terminal, aiming at solving the technical problem of optimizing the backlight brightness automatic adjustment technology of the existing display terminal to improve the user's viewing experience.
  • the present invention provides a method for adjusting brightness of a backlight of a display terminal, and the method for adjusting backlight brightness of the display terminal includes:
  • the detecting, by the spectral sensor, the type of the ambient light source currently displayed by the display terminal comprises:
  • the obtained spectral curve is compared with the preset spectral curves of different ambient light sources for identifying the current ambient light source type of the display terminal.
  • the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
  • the brightness of the adjusted display terminal backlight is set to be the same.
  • the present invention further provides a display terminal backlight brightness adjusting device, wherein the display terminal backlight brightness adjusting device comprises:
  • An ambient light source identification module configured to detect and identify a type of ambient light source currently displayed by the display terminal by using the spectral sensor
  • a light-sensing output compensation module configured to compensate a light sensor of the spectral sensor according to the identified ambient light source type, and correspondingly select a light-sensing output compensation coefficient, and obtain a corresponding response of the spectral sensor after performing light-sensing output compensation Light sensing characteristic curve;
  • the backlight brightness adjustment module is configured to perform backlight brightness adjustment of the display terminal according to the light sensing characteristic curve and the preset backlight brightness adjustment experience value.
  • the ambient light source identification module comprises:
  • a spectral curve acquiring unit configured to detect and obtain, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
  • the spectral curve comparison unit is configured to compare the obtained spectral curve with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently displayed by the display terminal.
  • the light sense output compensation module is further configured to:
  • the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
  • the backlight brightness adjustment module is further configured to:
  • the adjusted display terminal backlight brightness is set to be the same.
  • the present invention further provides a television set comprising a spectral sensor and the display terminal backlight brightness adjusting device according to any one of the above.
  • the spectral sensor is used to detect and identify the current ambient light source type of the display terminal.
  • the light sensor output compensation coefficient of the spectrum sensor is set correspondingly, and the spectrum sensor is obtained for light sense output.
  • the corresponding light-sensing characteristic curve is further adjusted according to the light-sensing characteristic curve and the corresponding preset backlight brightness to adjust the backlight brightness of the display terminal.
  • the invention compensates the light sensor output of the spectrum sensor, thereby merging the difference between the different ambient light sources and adjusting the brightness of the backlight of the display terminal according to the user's most comfortable viewing experience, thereby making the display terminal in different environments.
  • the user Under the light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for adjusting brightness of a backlight of a display terminal according to the present invention
  • FIG. 2 is a schematic diagram of a spectral curve of a first embodiment of an indoor ambient light source
  • FIG. 3 is a schematic diagram of a spectral curve of a second embodiment of an indoor ambient light source
  • FIG. 4 is a schematic diagram of a spectral curve of a third embodiment of an indoor ambient light source
  • FIG. 5 is a schematic diagram of a spectral curve of a fourth embodiment of an indoor ambient light source
  • FIG. 6 is a schematic diagram of a light-sensing characteristic curve corresponding to a test of a fluorescent lamp and a halogen lamp as an ambient light source;
  • FIG. 7 is a schematic diagram of light sensing characteristic curves corresponding to spectral sensors corresponding to fluorescent lamps and halogen lamps respectively after being compensated by light-sensing output;
  • step S10 in FIG. 1 is a schematic diagram of a refinement process of step S10 in FIG. 1;
  • FIG. 9 is a schematic diagram of functional modules of an embodiment of a backlight brightness adjustment device for a terminal according to the present invention.
  • FIG. 10 is a schematic diagram of a refinement function module of the ambient light source identification module of FIG. 9;
  • FIG. 11 is a schematic diagram of functional modules of an embodiment of a television set according to the present invention.
  • the backlight brightness adjustment method of the display terminal includes:
  • Step S10 detecting, by the spectral sensor, the type of the ambient light source currently displayed by the display terminal;
  • FIG. 2-5 is a schematic diagram of a spectral curve of an indoor ambient light source. Therefore, a spectral sensor can be provided on the display terminal for detecting and identifying the type of ambient light source in which the display terminal is currently located, such as a halogen lamp or an LED lamp.
  • the light spectrum characteristic curve of the corresponding output of the same spectral sensor under different ambient light sources is different, as shown in FIG. Lamp fluorescent lamp and Halogen
  • the light-sensing characteristic curve corresponding to the lamp halogen lamp is tested as an ambient light source.
  • FIG. 6 under the same ambient light level, since the spectra corresponding to different environmental light sources are different, the light sensor output of the spectral sensor is also different.
  • Step S20 according to the identified type of ambient light source, correspondingly selecting a light sensing output compensation coefficient to compensate the light perception of the spectral sensor, and acquiring a light sensing characteristic curve corresponding to the spectral sensor for performing light sensing output compensation;
  • the light-sensing output value of the spectral sensor is generally used to measure the illuminance of the ambient light source where the display terminal is located.
  • the light-sensing output value of the spectral sensor corresponding to the illuminance of different ambient light sources is different.
  • the higher the illuminance of the ambient light source the spectral sensor
  • the light-sensing output value is also larger, and then the backlight brightness of the display terminal is adjusted according to the light-sensing output value of the spectrum sensor, but for different ambient light sources, even if the ambient light source has the same illumination, the spectral sensor corresponds to the light perception.
  • the output values are different (that is, the spectra corresponding to different ambient light sources are different), and for the user, the user usually only pays attention to the illuminance of the ambient light source, and therefore, under the illumination of the same ambient light source, according to the spectral sensor
  • the light-sensing output value adjustment display backlight brightness of the display terminal is bound to obtain different backlight brightness, thereby causing the backlight brightness of the display terminal to be too high or too low, thereby affecting the user's viewing comfort.
  • the light perception of the spectral sensor is compensated according to the type of ambient light source recognized by the spectral sensor, such as an LED light source, a halogen light source, or the like, correspondingly selecting a light sensing output compensation coefficient.
  • the setting of the light sensing output compensation coefficient of the spectral sensor corresponding to different ambient light source types is not limited, and may be specifically set according to the experimental experience value.
  • the corresponding light sensing characteristic curves of the spectral sensor after the light sensor output compensation are set to be the same.
  • the optical sensor characteristic curve corresponding to the spectral sensor corresponding to the fluorescent lamp is the same as the light sensing characteristic curve corresponding to the spectral sensor corresponding to the halogen lamp after the light sensor output compensation, such as The compensated standard curve shown in Figure 7.
  • the light-sensing output values of the corresponding spectral sensors are the same under different ambient light levels, that is, the light-sensing output values of the spectral sensors corresponding to different environmental light sources are obtained.
  • the size is only related to the illuminance of the ambient light source.
  • Step S30 performing brightness adjustment of the display terminal backlight according to the light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value.
  • the backlight brightness adjustment of the display terminal is performed according to the compensated light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value, wherein the setting of the backlight brightness adjustment experience value is related to the actual backlight brightness adjustment experience.
  • the brightness of the adjusted display terminal backlight is set to be the same.
  • the light sensor output of the spectrum sensor is 589
  • the backlight brightness of the display terminal after the backlight adjustment is 200 nit (too dark In the halogen environment, the light sensor output of the spectrum sensor is 3452
  • the backlight brightness of the display terminal after backlight adjustment is 500 nit (over-bright), that is, in the prior art, the spectral sensor corresponding to different ambient light sources
  • the difference in the light-sensing output value causes the brightness of the backlight of the display terminal to be too high or too low.
  • the illuminance of the environment in which the current display terminal is located is 50 lx
  • the light sensor output of the spectrum sensor is 589
  • the spectral sensor is recognized as a fluorescent light source.
  • the light sensor output of the spectrum sensor becomes 2845, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, and in the halogen light environment, the light sensor output of the spectrum sensor is 3452.
  • the spectral sensor is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination.
  • Luminance adjustment experience value is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination.
  • the inductive characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the display terminal is only related to the actual ambient illumination.
  • the backlight brightness of the display terminal after the backlight is adjusted is the same, so that the backlight of the display terminal does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
  • the spectral sensor is compensated for the light-sensing output, and the difference between the different ambient light sources can be fused, and the user's most comfortable viewing experience is used as the adjustment standard, and the backlight brightness of the display terminal is adjusted accordingly, thereby making the display terminal different.
  • the user Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
  • FIG. 8 is a schematic diagram of the refinement process of step S10 in FIG. Based on the above embodiment, in the embodiment, the foregoing step S10 includes:
  • Step S101 detecting, by the spectrum sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
  • step S102 the obtained spectral curve is compared with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently in the display terminal.
  • the spectral curve of the ambient light source currently displayed by the display terminal can be obtained by using the spectrum sensor.
  • the spectral curve of the different ambient light sources can be pre-stored, and the obtained spectral curve is compared with the preset spectral curves of different ambient light sources to identify each other. The type of ambient light source in which the terminal is currently located is displayed.
  • FIG. 9 is a schematic diagram of functional modules of an embodiment of a backlight brightness adjusting device for a terminal according to the present invention.
  • the backlight brightness adjustment device of the display terminal includes:
  • the ambient light source identification module 10 is configured to detect and identify the type of ambient light source currently displayed by the display terminal by using the spectral sensor;
  • FIG. 2-5 is a schematic diagram of a spectral curve of an indoor ambient light source. Therefore, a spectral sensor can be provided on the display terminal for detecting and identifying the type of ambient light source in which the display terminal is currently located, such as a halogen lamp or an LED lamp.
  • the light spectrum characteristic curve of the corresponding output of the same spectral sensor under different ambient light sources is different, as shown in FIG. Lamp fluorescent lamp and Halogen
  • the light-sensing characteristic curve corresponding to the lamp halogen lamp is tested as an ambient light source.
  • FIG. 6 under the same ambient light level, since the spectra corresponding to different environmental light sources are different, the light sensor output of the spectral sensor is also different.
  • the light-sensing output compensation module 20 is configured to compensate the light-sensing of the spectral sensor according to the identified ambient light source type, and correspondingly obtain the light-sensing output compensation coefficient, and obtain the light sensor output compensation corresponding to the spectral sensor.
  • Light sensing characteristic curve
  • the light-sensing output value of the spectral sensor is generally used to measure the illuminance of the ambient light source where the display terminal is located.
  • the light-sensing output value of the spectral sensor corresponding to the illuminance of different ambient light sources is different.
  • the higher the illuminance of the ambient light source the spectral sensor
  • the light-sensing output value is also larger, and then the backlight brightness of the display terminal is adjusted according to the light-sensing output value of the spectrum sensor, but for different ambient light sources, even if the ambient light source has the same illumination, the spectral sensor corresponds to the light perception.
  • the output values are different (that is, the spectra corresponding to different ambient light sources are different), and for the user, the user usually only pays attention to the illuminance of the ambient light source, and therefore, under the illumination of the same ambient light source, according to the spectral sensor
  • the light-sensing output value adjustment display backlight brightness of the display terminal is bound to obtain different backlight brightness, thereby causing the backlight brightness of the display terminal to be too high or too low, thereby affecting the user's viewing comfort.
  • the light perception of the spectral sensor is compensated according to the type of ambient light source recognized by the spectral sensor, such as an LED light source, a halogen light source, or the like, correspondingly selecting a light sensing output compensation coefficient.
  • the setting of the light sensing output compensation coefficient of the spectral sensor corresponding to different ambient light source types is not limited, and may be specifically set according to the experimental experience value.
  • the light-sensing output compensation module 20 is further configured to: when the spectral sensor is compensated for light-sensing output under any ambient light source, the corresponding light-sensing characteristic curves are set to be the same. As shown in FIG. 7 , the optical sensor characteristic curve corresponding to the spectral sensor corresponding to the fluorescent lamp is the same as the light sensing characteristic curve corresponding to the spectral sensor corresponding to the halogen lamp after the light sensor output compensation, such as The compensated standard curve shown in Figure 7.
  • the light-sensing output values of the corresponding spectral sensors are the same under different ambient light levels, that is, the light-sensing output values of the spectral sensors corresponding to different environmental light sources are obtained.
  • the size is only related to the illuminance of the ambient light source.
  • the backlight brightness adjustment module 30 is configured to perform backlight brightness adjustment of the display terminal according to the light sensing characteristic curve and the preset backlight brightness adjustment experience value.
  • the backlight brightness adjustment of the display terminal is performed according to the compensated light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value, wherein the setting of the backlight brightness adjustment experience value is related to the actual backlight brightness adjustment experience.
  • the backlight brightness adjustment module 30 is further configured to: if the ambient light sources have the same illuminance under different ambient light sources, set the adjusted display terminal backlight brightness to be the same.
  • the light sensor output of the spectrum sensor is 589
  • the backlight brightness of the display terminal after the backlight adjustment is 200 nit (too dark In the halogen environment, the light sensor output of the spectrum sensor is 3452
  • the backlight brightness of the display terminal after backlight adjustment is 500 nit (over-bright), that is, in the prior art, the spectral sensor corresponding to different ambient light sources
  • the difference in the light-sensing output value causes the brightness of the backlight of the display terminal to be too high or too low.
  • the illuminance of the environment in which the current display terminal is located is 50 lx
  • the light sensor output of the spectrum sensor is 589
  • the spectral sensor is recognized as a fluorescent light source.
  • the light sensor output of the spectrum sensor becomes 2845, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, and in the halogen light environment, the light sensor output of the spectrum sensor is 3452.
  • the spectral sensor is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination.
  • Luminance adjustment experience value is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination.
  • the inductive characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the display terminal is only related to the actual ambient illumination.
  • the backlight brightness of the display terminal after the backlight is adjusted is the same, so that the backlight of the display terminal does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
  • the spectral sensor is compensated for the light-sensing output, and the difference between the different ambient light sources can be fused, and the user's most comfortable viewing experience is used as the adjustment standard, and the backlight brightness of the display terminal is adjusted accordingly, thereby making the display terminal different.
  • the user Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
  • FIG. 10 is a schematic diagram of a refinement function module of the ambient light source identification module of FIG. Based on the above embodiment, in this embodiment, the ambient light source identification module 10 includes:
  • a spectral curve obtaining unit 101 configured to detect and obtain, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
  • the spectral curve comparison unit 102 is configured to compare the obtained spectral curve with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently displayed by the display terminal.
  • the spectral curve of the ambient light source currently displayed by the display terminal can be obtained by using the spectrum sensor.
  • the spectral curve of the different ambient light sources can be pre-stored, and the obtained spectral curve is compared with the preset spectral curves of different ambient light sources to identify each other. The type of ambient light source in which the terminal is currently located is displayed.
  • FIG. 11 is a schematic diagram of functional modules of an embodiment of a television set according to the present invention.
  • the television includes a spectral sensor 210 and a display terminal backlight brightness adjusting device 220.
  • the television detects the type of ambient light source in the environment where the television is located through the spectrum sensor 210.
  • the television recognizes the detection result of the spectrum sensor 210 through the display terminal backlight brightness adjustment device 220, and determines the environment in which the television is currently located. a light source type, and performing a corresponding light sensor output compensation process of the spectral sensor 210 according to the determined ambient light source type, and acquiring a light sensing characteristic curve corresponding to the compensated spectral sensor 210, and then according to the acquired light sensing characteristic curve and corresponding Preset backlight brightness adjustment experience value, display terminal backlight brightness adjustment.
  • the sensing characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the television is only related to the actual ambient illumination.
  • the backlight brightness of the television after adjusting the backlight is the same, so that the backlight of the television does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
  • the spectral sensor is compensated for the light sense output, thereby merging the difference between the different ambient light sources and adjusting the brightness of the backlight of the television according to the user's most comfortable viewing experience, thereby making the television different.
  • the user Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the television is too high or too low due to different ambient light sources, thereby improving the user viewing experience.

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Abstract

A display terminal backlight brightness adjustment method and a display terminal backlight brightness adjustment device and a television set. The display terminal backlight brightness adjustment method comprises: detecting and recognizing an ambient light source type in which a display terminal is currently located through a spectral sensor (S10); on the basis of the recognized ambient light source type, selecting a light sensation output compensation coefficient accordingly to compensate light sensation of the spectral sensor, and obtaining a corresponding light sensing characteristic curve of the spectral sensor undergoing the light sensation output compensation (S20); and adjusting the backlight brightness of the display terminal according to the light sensing characteristic curve and a correspondingly-predefined backlight brightness adjustment empirical value (S30). The display terminal backlight brightness can be adjusted on the basis of different types of ambient light sources, and thus the display terminal can be made to meet the comfortable viewing requirements of the user under different ambient light sources, thereby avoiding the problem that display terminal backlight brightness is too high or too low due to the different ambient light sources, so as to enhance the user's viewing experience.

Description

显示终端背光亮度调节方法、装置及电视机  Display terminal backlight brightness adjustment method, device and television
技术领域Technical field
本发明涉及通信技术领域，尤其涉及显示终端背光亮度调节方法、装置及电视机。The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a television set for adjusting brightness of a backlight of a display terminal.
背景技术Background technique
随着各国节能环保法规的不断加严，推动电视机等显示产品不断导入各种各样的节能技术，比如跟随环境光的变化来自动调节电视机的背光，也即在能够满足用户观看电视要求的同时，也满足降低能耗的需求，从而达到节能减排的目的。但现有调节显示终端背光亮度的技术方案仅仅只是针对某一特定典型环境光源来进行设计，例如日光灯光源，而如果将日光灯光源更换成另一种环境光源，比如卤素灯或LED灯，则将可能出现显示终端背光亮度过低或过高的状态，进而导致人们观看时的感觉不舒适，此外，如果显示终端的背光亮度过高，则还会进一步导致能耗增加。With the increasing tightening of energy conservation and environmental protection regulations in various countries, the display products such as TVs are continuously introduced into various energy-saving technologies, such as automatically adjusting the backlight of the TV set according to changes in ambient light, that is, satisfying the requirements for users to watch TV. At the same time, it also meets the need to reduce energy consumption, thereby achieving the goal of energy saving and emission reduction. However, the existing technical solution for adjusting the backlight brightness of the display terminal is only designed for a specific typical ambient light source, such as a fluorescent light source, and if the fluorescent light source is replaced with another ambient light source, such as a halogen lamp or an LED lamp, There may be a state in which the backlight brightness of the display terminal is too low or too high, which may cause people to feel uncomfortable when viewing. In addition, if the brightness of the backlight of the display terminal is too high, the energy consumption may further increase.
发明内容Summary of the invention
本发明的主要目的在于提供一种显示终端背光亮度调节方法、装置及电视机，旨在解决对现有显示终端背光亮度自动调节技术进行优化以改善用户观看体验的技术问题。The main object of the present invention is to provide a method, a device and a television for adjusting the backlight brightness of a display terminal, aiming at solving the technical problem of optimizing the backlight brightness automatic adjustment technology of the existing display terminal to improve the user's viewing experience.
为实现上述目的，本发明提供一种显示终端背光亮度调节方法，所述显示终端背光亮度调节方法包括：To achieve the above object, the present invention provides a method for adjusting brightness of a backlight of a display terminal, and the method for adjusting backlight brightness of the display terminal includes:
通过光谱传感器检测并识别显示终端当前所处环境光源类型；Detecting and identifying the type of ambient light source currently displayed by the display terminal through the spectral sensor;
根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；Correspondingly selecting a light-sensing output compensation coefficient to compensate a light perception of the spectral sensor according to the identified type of ambient light source, and acquiring a light-sensing characteristic curve corresponding to the spectral sensor for performing light-sensing output compensation;
根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。Performing display terminal backlight brightness adjustment according to the light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value.
优选地，所述通过光谱传感器检测并识别显示终端当前所处环境光源类型包括：Preferably, the detecting, by the spectral sensor, the type of the ambient light source currently displayed by the display terminal comprises:
通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；Detecting and obtaining, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。The obtained spectral curve is compared with the preset spectral curves of different ambient light sources for identifying the current ambient light source type of the display terminal.
优选地，在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。Preferably, under any ambient light source, the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
优选地，在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Preferably, under different ambient light sources, if the illuminance of the ambient light source is the same, the brightness of the adjusted display terminal backlight is set to be the same.
进一步地，为实现上述目的，本发明还提供一种显示终端背光亮度调节装置，所述显示终端背光亮度调节装置包括：Further, in order to achieve the above object, the present invention further provides a display terminal backlight brightness adjusting device, wherein the display terminal backlight brightness adjusting device comprises:
环境光源识别模块，用于通过光谱传感器检测并识别显示终端当前所处环境光源类型；An ambient light source identification module, configured to detect and identify a type of ambient light source currently displayed by the display terminal by using the spectral sensor;
光感输出补偿模块，用于根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；a light-sensing output compensation module, configured to compensate a light sensor of the spectral sensor according to the identified ambient light source type, and correspondingly select a light-sensing output compensation coefficient, and obtain a corresponding response of the spectral sensor after performing light-sensing output compensation Light sensing characteristic curve;
背光亮度调节模块，用于根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。The backlight brightness adjustment module is configured to perform backlight brightness adjustment of the display terminal according to the light sensing characteristic curve and the preset backlight brightness adjustment experience value.
优选地，所述环境光源识别模块包括：Preferably, the ambient light source identification module comprises:
光谱曲线获取单元，用于通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；a spectral curve acquiring unit, configured to detect and obtain, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
光谱曲线比对单元，用于将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。The spectral curve comparison unit is configured to compare the obtained spectral curve with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently displayed by the display terminal.
优选地，所述光感输出补偿模块还用于：Preferably, the light sense output compensation module is further configured to:
在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。Under any ambient light source, the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
优选地，所述背光亮度调节模块还用于：Preferably, the backlight brightness adjustment module is further configured to:
在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Under different ambient light sources, if the ambient light source has the same illuminance, the adjusted display terminal backlight brightness is set to be the same.
进一步地，为实现上述目的，本发明还提供一种电视机，所述电视机包括光谱传感器与上述任一项所述的显示终端背光亮度调节装置。Further, in order to achieve the above object, the present invention further provides a television set comprising a spectral sensor and the display terminal backlight brightness adjusting device according to any one of the above.
本发明中，在调节显示终端背光亮度之前，首先需要确定当前显示终端所处环境光源的类型，鉴于在不同环境光源对应不同的光谱，因此通过光谱传感器检测并识别显示终端当前所处环境光源类型；其次，为确保背光亮度调节的效果最佳且用户观看体验最为舒适，因此，将根据识别到的环境光源类型，相应设定光谱传感器的光感输出补偿系数，并获取光谱传感器进行光感输出补偿后所对应的光感应特性曲线，进而再根据光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。本发明通过对光谱传感器进行光感输出补偿，进而可融合不同环境光源之间的差异并以用户最为舒适的观看体验为调节标准，相应调节显示终端的背光亮度，进而使显示终端在不同的环境光源下也能满足用户舒适观看的要求，避免因不同的环境光源而导致显示终端背光亮度过高或过低的问题，提升用户观看体验。In the present invention, before adjusting the backlight brightness of the display terminal, it is first necessary to determine the type of the ambient light source in which the current display terminal is located. In view of the different spectra of the different ambient light sources, the spectral sensor is used to detect and identify the current ambient light source type of the display terminal. Secondly, in order to ensure the best effect of backlight brightness adjustment and the user's viewing experience is most comfortable, therefore, according to the identified type of ambient light source, the light sensor output compensation coefficient of the spectrum sensor is set correspondingly, and the spectrum sensor is obtained for light sense output. After the compensation, the corresponding light-sensing characteristic curve is further adjusted according to the light-sensing characteristic curve and the corresponding preset backlight brightness to adjust the backlight brightness of the display terminal. The invention compensates the light sensor output of the spectrum sensor, thereby merging the difference between the different ambient light sources and adjusting the brightness of the backlight of the display terminal according to the user's most comfortable viewing experience, thereby making the display terminal in different environments. Under the light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
附图说明DRAWINGS
图1为本发明显示终端背光亮度调节方法一实施例的流程示意图；1 is a schematic flow chart of an embodiment of a method for adjusting brightness of a backlight of a display terminal according to the present invention;
图2为室内环境光源第一实施例的光谱曲线示意图；2 is a schematic diagram of a spectral curve of a first embodiment of an indoor ambient light source;
图3为室内环境光源第二实施例的光谱曲线示意图；3 is a schematic diagram of a spectral curve of a second embodiment of an indoor ambient light source;
图4为室内环境光源第三实施例的光谱曲线示意图；4 is a schematic diagram of a spectral curve of a third embodiment of an indoor ambient light source;
图5为室内环境光源第四实施例的光谱曲线示意图；5 is a schematic diagram of a spectral curve of a fourth embodiment of an indoor ambient light source;
图6为日光灯与卤素灯作为环境光源进行测试所对应的光感应特性曲线示意图；6 is a schematic diagram of a light-sensing characteristic curve corresponding to a test of a fluorescent lamp and a halogen lamp as an ambient light source;
图7为日光灯与卤素灯所对应的光谱传感器经过光感输出补偿后分别所对应的光感应特性曲线示意图；7 is a schematic diagram of light sensing characteristic curves corresponding to spectral sensors corresponding to fluorescent lamps and halogen lamps respectively after being compensated by light-sensing output;
图8为图1中步骤S10的细化流程示意图；8 is a schematic diagram of a refinement process of step S10 in FIG. 1;
图9为本发明显示终端背光亮度调节装置一实施例的功能模块示意图；9 is a schematic diagram of functional modules of an embodiment of a backlight brightness adjustment device for a terminal according to the present invention;
图10为图9中环境光源识别模块的细化功能模块示意图；10 is a schematic diagram of a refinement function module of the ambient light source identification module of FIG. 9;
图11为本发明电视机一实施例的功能模块示意图。FIG. 11 is a schematic diagram of functional modules of an embodiment of a television set according to the present invention.
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.
具体实施方式detailed description
应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
参照图1，图1为本发明显示终端背光亮度调节方法一实施例的流程示意图。本实施例中，所述显示终端背光亮度调节方法包括：1 is a schematic flow chart of an embodiment of a method for adjusting brightness of a backlight of a display terminal according to the present invention. In this embodiment, the backlight brightness adjustment method of the display terminal includes:
步骤S10，通过光谱传感器检测并识别显示终端当前所处环境光源类型；Step S10, detecting, by the spectral sensor, the type of the ambient light source currently displayed by the display terminal;
本实施例中，不同环境光源对应有不同的光谱，如图2-5所示的参见室内环境光源的光谱曲线示意图。因此，可通过在显示终端上设置光谱传感器，以用于检测并识别显示终端当前所处环境光源类型，例如卤素灯或LED灯等。In this embodiment, different ambient light sources have different spectra, as shown in FIG. 2-5, which is a schematic diagram of a spectral curve of an indoor ambient light source. Therefore, a spectral sensor can be provided on the display terminal for detecting and identifying the type of ambient light source in which the display terminal is currently located, such as a halogen lamp or an LED lamp.
此外，需要进一步说明的是，同一光谱传感器在不同的环境光源条件下，其对应输出的光感应特性曲线不同，如图6所示的以Fluorecent lamp日光灯和Halogen lamp卤素灯作为环境光源进行测试所对应的光感应特性曲线。由图6所示可知，在同一环境光照度下，由于不同的环境光源所对应的光谱不同，因此，光谱传感器的光感输出也不相同。In addition, it should be further explained that the light spectrum characteristic curve of the corresponding output of the same spectral sensor under different ambient light sources is different, as shown in FIG. Lamp fluorescent lamp and Halogen The light-sensing characteristic curve corresponding to the lamp halogen lamp is tested as an ambient light source. As can be seen from FIG. 6, under the same ambient light level, since the spectra corresponding to different environmental light sources are different, the light sensor output of the spectral sensor is also different.
步骤S20，根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；Step S20, according to the identified type of ambient light source, correspondingly selecting a light sensing output compensation coefficient to compensate the light perception of the spectral sensor, and acquiring a light sensing characteristic curve corresponding to the spectral sensor for performing light sensing output compensation;
现有技术中通常采用光谱传感器的光感输出值衡量显示终端所处环境光源的光照度，不同环境光源的光照度所对应的光谱传感器的光感输出值不同，通常环境光源的光照度越高，光谱传感器的光感输出值也就越大，然后再根据光谱传感器的光感输出值调节显示终端的背光亮度，但对于不同的环境光源来说，即使环境光源的光照度相同，光谱传感器所对应的光感输出值却不相同（也即不同环境光源所对应的光谱不同），而对于用户来说，用户通常只关注环境光源的光照度大小，因此，在相同的环境光源的光照度下，若根据光谱传感器的光感输出值调节显示终端的背光亮度势必将得到不同的背光亮度，进而使得显示终端的背光亮度过高或过低，进而影响用户观看舒适度。In the prior art, the light-sensing output value of the spectral sensor is generally used to measure the illuminance of the ambient light source where the display terminal is located. The light-sensing output value of the spectral sensor corresponding to the illuminance of different ambient light sources is different. Generally, the higher the illuminance of the ambient light source, the spectral sensor The light-sensing output value is also larger, and then the backlight brightness of the display terminal is adjusted according to the light-sensing output value of the spectrum sensor, but for different ambient light sources, even if the ambient light source has the same illumination, the spectral sensor corresponds to the light perception. The output values are different (that is, the spectra corresponding to different ambient light sources are different), and for the user, the user usually only pays attention to the illuminance of the ambient light source, and therefore, under the illumination of the same ambient light source, according to the spectral sensor The light-sensing output value adjustment display backlight brightness of the display terminal is bound to obtain different backlight brightness, thereby causing the backlight brightness of the display terminal to be too high or too low, thereby affecting the user's viewing comfort.
因此，本实施例中，将根据光谱传感器所识别到的环境光源类型，比如LED光源、卤素光源等，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿。本实施例中对于不同环境光源类型所对应的光谱传感器的光感输出补偿系数的设定不限，具体可根据试验经验值进行设定。Therefore, in this embodiment, the light perception of the spectral sensor is compensated according to the type of ambient light source recognized by the spectral sensor, such as an LED light source, a halogen light source, or the like, correspondingly selecting a light sensing output compensation coefficient. In this embodiment, the setting of the light sensing output compensation coefficient of the spectral sensor corresponding to different ambient light source types is not limited, and may be specifically set according to the experimental experience value.
可选的，在任意环境光源下，将光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。如图7所示，日光灯所对应的光谱传感器经过光感输出补偿后所对应的光感应特性曲线，与卤素灯所对应的光谱传感器经过光感输出补偿后所对应的光感应特性曲线相同，如图7所示的补偿后的标准曲线。通过光感输出补偿处理后，不同的环境光源，在相同的环境光照度下，其所对应的光谱传感器的光感输出值相同，也即使得不同的环境光源所对应的光谱传感器的光感输出值的大小只与环境光源的光照度大小相关。Optionally, under any ambient light source, the corresponding light sensing characteristic curves of the spectral sensor after the light sensor output compensation are set to be the same. As shown in FIG. 7 , the optical sensor characteristic curve corresponding to the spectral sensor corresponding to the fluorescent lamp is the same as the light sensing characteristic curve corresponding to the spectral sensor corresponding to the halogen lamp after the light sensor output compensation, such as The compensated standard curve shown in Figure 7. After the light-sensing output compensation process, the light-sensing output values of the corresponding spectral sensors are the same under different ambient light levels, that is, the light-sensing output values of the spectral sensors corresponding to different environmental light sources are obtained. The size is only related to the illuminance of the ambient light source.
步骤S30，根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。Step S30, performing brightness adjustment of the display terminal backlight according to the light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value.
本实施例中，根据补偿后的光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节，其中，背光亮度调节经验值的设置与实际的背光亮度调节经验相关。In this embodiment, the backlight brightness adjustment of the display terminal is performed according to the compensated light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value, wherein the setting of the backlight brightness adjustment experience value is related to the actual backlight brightness adjustment experience.
可选的，在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Optionally, under different ambient light sources, if the illumination of the ambient light source is the same, the brightness of the adjusted display terminal backlight is set to be the same.
例如，假设当前显示终端所处环境的光照度为50lx，则现有背光亮度调节技术中，在日光灯环境下，光谱传感器的光感输出为589，背光调节后显示终端的背光亮度为200nit（过暗），而在卤素灯环境下，光谱传感器的光感输出为3452，背光调节后显示终端的背光亮度为500nit（过亮），也即现有技术中，由于不同环境光源所对应的光谱传感器的光感输出值的不同，进而导致显示终端的背光调节后的亮度过高或过低。For example, if the illuminance of the environment in which the current display terminal is located is 50 lx, in the existing backlight brightness adjustment technology, in the fluorescent lamp environment, the light sensor output of the spectrum sensor is 589, and the backlight brightness of the display terminal after the backlight adjustment is 200 nit (too dark In the halogen environment, the light sensor output of the spectrum sensor is 3452, and the backlight brightness of the display terminal after backlight adjustment is 500 nit (over-bright), that is, in the prior art, the spectral sensor corresponding to different ambient light sources The difference in the light-sensing output value causes the brightness of the backlight of the display terminal to be too high or too low.
而在本实施例中，假设当前显示终端所处环境的光照度为50lx，在日光灯环境下，光谱传感器的光感输出为589，同时光谱传感器识别为日光灯光源， 进而通过补偿后光谱传感器的光感输出变为2845，继而背光调节后显示终端的背光亮度为300nit，而在卤素灯环境下，光谱传感器的光感输出为3452， 同时光谱传感器识别为卤素灯光源，进而通过补偿后光谱传感器的光感输出变为2845，继而背光调节后显示终端的背光亮度为300nit，其中，假设背光亮度300nit为50lx环境光照度下的最佳背光亮度调节经验值。In this embodiment, it is assumed that the illuminance of the environment in which the current display terminal is located is 50 lx, and in the fluorescent lamp environment, the light sensor output of the spectrum sensor is 589, and the spectral sensor is recognized as a fluorescent light source. Further, after the compensation, the light sensor output of the spectrum sensor becomes 2845, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, and in the halogen light environment, the light sensor output of the spectrum sensor is 3452. At the same time, the spectral sensor is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination. Luminance adjustment experience value.
本实施例中，经过补偿后，使得任意环境光源下光谱传感器所对应的感应特性曲线均相同，也即达到显示终端背光亮度的调节只与实际环境照度相关。本实施例中，在不同的环境光源下，只要环境光源的光照度相同，则调节背光后的显示终端的背光亮度相同，从而使得显示终端的背光不会出现过亮或过暗的亮度异常情况，进而达到自动适应不同环境光源的目的。In this embodiment, after the compensation, the inductive characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the display terminal is only related to the actual ambient illumination. In this embodiment, under different ambient light sources, as long as the illuminance of the ambient light source is the same, the backlight brightness of the display terminal after the backlight is adjusted is the same, so that the backlight of the display terminal does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
本实施例通过对光谱传感器进行光感输出补偿，进而可融合不同环境光源之间的差异并以用户最为舒适的观看体验为调节标准，相应调节显示终端的背光亮度，进而使显示终端在不同的环境光源下也能满足用户舒适观看的要求，避免因不同的环境光源而导致显示终端背光亮度过高或过低的问题，提升用户观看体验。In this embodiment, the spectral sensor is compensated for the light-sensing output, and the difference between the different ambient light sources can be fused, and the user's most comfortable viewing experience is used as the adjustment standard, and the backlight brightness of the display terminal is adjusted accordingly, thereby making the display terminal different. Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
参照图8，图8为图1中步骤S10的细化流程示意图。基于上述实施例，本实施例中，上述步骤S10包括：Referring to FIG. 8, FIG. 8 is a schematic diagram of the refinement process of step S10 in FIG. Based on the above embodiment, in the embodiment, the foregoing step S10 includes:
步骤S101，通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；Step S101, detecting, by the spectrum sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
步骤S102，将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。In step S102, the obtained spectral curve is compared with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently in the display terminal.
本实施例中，如图2-5所示，通过光谱传感器可获得显示终端当前所处环境光源的光谱曲线。此外，为识别显示终端当前所处环境光源类型，因此，可预先保存不同环境光源的光谱曲线，并通过将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，从而识别出显示终端当前所处环境光源类型。In this embodiment, as shown in FIG. 2-5, the spectral curve of the ambient light source currently displayed by the display terminal can be obtained by using the spectrum sensor. In addition, in order to identify the type of ambient light source currently in the display terminal, the spectral curve of the different ambient light sources can be pre-stored, and the obtained spectral curve is compared with the preset spectral curves of different ambient light sources to identify each other. The type of ambient light source in which the terminal is currently located is displayed.
参照图9，图9为本发明显示终端背光亮度调节装置一实施例的功能模块示意图。本实施例中，所述显示终端背光亮度调节装置包括：Referring to FIG. 9, FIG. 9 is a schematic diagram of functional modules of an embodiment of a backlight brightness adjusting device for a terminal according to the present invention. In this embodiment, the backlight brightness adjustment device of the display terminal includes:
环境光源识别模块10，用于通过光谱传感器检测并识别显示终端当前所处环境光源类型；The ambient light source identification module 10 is configured to detect and identify the type of ambient light source currently displayed by the display terminal by using the spectral sensor;
本实施例中，不同环境光源对应有不同的光谱，如图2-5所示的参见室内环境光源的光谱曲线示意图。因此，可通过在显示终端上设置光谱传感器，以用于检测并识别显示终端当前所处环境光源类型，例如卤素灯或LED灯等。In this embodiment, different ambient light sources have different spectra, as shown in FIG. 2-5, which is a schematic diagram of a spectral curve of an indoor ambient light source. Therefore, a spectral sensor can be provided on the display terminal for detecting and identifying the type of ambient light source in which the display terminal is currently located, such as a halogen lamp or an LED lamp.
此外，需要进一步说明的是，同一光谱传感器在不同的环境光源条件下，其对应输出的光感应特性曲线不同，如图6所示的以Fluorecent lamp日光灯和Halogen lamp卤素灯作为环境光源进行测试所对应的光感应特性曲线。由图6所示可知，在同一环境光照度下，由于不同的环境光源所对应的光谱不同，因此，光谱传感器的光感输出也不相同。In addition, it should be further explained that the light spectrum characteristic curve of the corresponding output of the same spectral sensor under different ambient light sources is different, as shown in FIG. Lamp fluorescent lamp and Halogen The light-sensing characteristic curve corresponding to the lamp halogen lamp is tested as an ambient light source. As can be seen from FIG. 6, under the same ambient light level, since the spectra corresponding to different environmental light sources are different, the light sensor output of the spectral sensor is also different.
光感输出补偿模块20，用于根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；The light-sensing output compensation module 20 is configured to compensate the light-sensing of the spectral sensor according to the identified ambient light source type, and correspondingly obtain the light-sensing output compensation coefficient, and obtain the light sensor output compensation corresponding to the spectral sensor. Light sensing characteristic curve;
现有技术中通常采用光谱传感器的光感输出值衡量显示终端所处环境光源的光照度，不同环境光源的光照度所对应的光谱传感器的光感输出值不同，通常环境光源的光照度越高，光谱传感器的光感输出值也就越大，然后再根据光谱传感器的光感输出值调节显示终端的背光亮度，但对于不同的环境光源来说，即使环境光源的光照度相同，光谱传感器所对应的光感输出值却不相同（也即不同环境光源所对应的光谱不同），而对于用户来说，用户通常只关注环境光源的光照度大小，因此，在相同的环境光源的光照度下，若根据光谱传感器的光感输出值调节显示终端的背光亮度势必将得到不同的背光亮度，进而使得显示终端的背光亮度过高或过低，进而影响用户观看舒适度。In the prior art, the light-sensing output value of the spectral sensor is generally used to measure the illuminance of the ambient light source where the display terminal is located. The light-sensing output value of the spectral sensor corresponding to the illuminance of different ambient light sources is different. Generally, the higher the illuminance of the ambient light source, the spectral sensor The light-sensing output value is also larger, and then the backlight brightness of the display terminal is adjusted according to the light-sensing output value of the spectrum sensor, but for different ambient light sources, even if the ambient light source has the same illumination, the spectral sensor corresponds to the light perception. The output values are different (that is, the spectra corresponding to different ambient light sources are different), and for the user, the user usually only pays attention to the illuminance of the ambient light source, and therefore, under the illumination of the same ambient light source, according to the spectral sensor The light-sensing output value adjustment display backlight brightness of the display terminal is bound to obtain different backlight brightness, thereby causing the backlight brightness of the display terminal to be too high or too low, thereby affecting the user's viewing comfort.
因此，本实施例中，将根据光谱传感器所识别到的环境光源类型，比如LED光源、卤素光源等，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿。本实施例中对于不同环境光源类型所对应的光谱传感器的光感输出补偿系数的设定不限，具体可根据试验经验值进行设定。Therefore, in this embodiment, the light perception of the spectral sensor is compensated according to the type of ambient light source recognized by the spectral sensor, such as an LED light source, a halogen light source, or the like, correspondingly selecting a light sensing output compensation coefficient. In this embodiment, the setting of the light sensing output compensation coefficient of the spectral sensor corresponding to different ambient light source types is not limited, and may be specifically set according to the experimental experience value.
可选的，光感输出补偿模块20还用于：在任意环境光源下，将光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。如图7所示，日光灯所对应的光谱传感器经过光感输出补偿后所对应的光感应特性曲线，与卤素灯所对应的光谱传感器经过光感输出补偿后所对应的光感应特性曲线相同，如图7所示的补偿后的标准曲线。通过光感输出补偿处理后，不同的环境光源，在相同的环境光照度下，其所对应的光谱传感器的光感输出值相同，也即使得不同的环境光源所对应的光谱传感器的光感输出值的大小只与环境光源的光照度大小相关。Optionally, the light-sensing output compensation module 20 is further configured to: when the spectral sensor is compensated for light-sensing output under any ambient light source, the corresponding light-sensing characteristic curves are set to be the same. As shown in FIG. 7 , the optical sensor characteristic curve corresponding to the spectral sensor corresponding to the fluorescent lamp is the same as the light sensing characteristic curve corresponding to the spectral sensor corresponding to the halogen lamp after the light sensor output compensation, such as The compensated standard curve shown in Figure 7. After the light-sensing output compensation process, the light-sensing output values of the corresponding spectral sensors are the same under different ambient light levels, that is, the light-sensing output values of the spectral sensors corresponding to different environmental light sources are obtained. The size is only related to the illuminance of the ambient light source.
背光亮度调节模块30，用于根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。The backlight brightness adjustment module 30 is configured to perform backlight brightness adjustment of the display terminal according to the light sensing characteristic curve and the preset backlight brightness adjustment experience value.
本实施例中，根据补偿后的光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节，其中，背光亮度调节经验值的设置与实际的背光亮度调节经验相关。In this embodiment, the backlight brightness adjustment of the display terminal is performed according to the compensated light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value, wherein the setting of the backlight brightness adjustment experience value is related to the actual backlight brightness adjustment experience.
可选的，背光亮度调节模块30还用于：在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Optionally, the backlight brightness adjustment module 30 is further configured to: if the ambient light sources have the same illuminance under different ambient light sources, set the adjusted display terminal backlight brightness to be the same.
例如，假设当前显示终端所处环境的光照度为50lx，则现有背光亮度调节技术中，在日光灯环境下，光谱传感器的光感输出为589，背光调节后显示终端的背光亮度为200nit（过暗），而在卤素灯环境下，光谱传感器的光感输出为3452，背光调节后显示终端的背光亮度为500nit（过亮），也即现有技术中，由于不同环境光源所对应的光谱传感器的光感输出值的不同，进而导致显示终端的背光调节后的亮度过高或过低。For example, if the illuminance of the environment in which the current display terminal is located is 50 lx, in the existing backlight brightness adjustment technology, in the fluorescent lamp environment, the light sensor output of the spectrum sensor is 589, and the backlight brightness of the display terminal after the backlight adjustment is 200 nit (too dark In the halogen environment, the light sensor output of the spectrum sensor is 3452, and the backlight brightness of the display terminal after backlight adjustment is 500 nit (over-bright), that is, in the prior art, the spectral sensor corresponding to different ambient light sources The difference in the light-sensing output value causes the brightness of the backlight of the display terminal to be too high or too low.
而在本实施例中，假设当前显示终端所处环境的光照度为50lx，在日光灯环境下，光谱传感器的光感输出为589，同时光谱传感器识别为日光灯光源， 进而通过补偿后光谱传感器的光感输出变为2845，继而背光调节后显示终端的背光亮度为300nit，而在卤素灯环境下，光谱传感器的光感输出为3452， 同时光谱传感器识别为卤素灯光源，进而通过补偿后光谱传感器的光感输出变为2845，继而背光调节后显示终端的背光亮度为300nit，其中，假设背光亮度300nit为50lx环境光照度下的最佳背光亮度调节经验值。In this embodiment, it is assumed that the illuminance of the environment in which the current display terminal is located is 50 lx, and in the fluorescent lamp environment, the light sensor output of the spectrum sensor is 589, and the spectral sensor is recognized as a fluorescent light source. Further, after the compensation, the light sensor output of the spectrum sensor becomes 2845, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, and in the halogen light environment, the light sensor output of the spectrum sensor is 3452. At the same time, the spectral sensor is recognized as a halogen light source, and then the light-sensing output of the spectrum sensor is changed to 2845 by the compensation, and then the backlight brightness of the display terminal is 300 nit after the backlight is adjusted, wherein the backlight brightness is 300 nit is the best backlight at 50 lx ambient illumination. Luminance adjustment experience value.
本实施例中，经过补偿后，使得任意环境光源下光谱传感器所对应的感应特性曲线均相同，也即达到显示终端背光亮度的调节只与实际环境照度相关。本实施例中，在不同的环境光源下，只要环境光源的光照度相同，则调节背光后的显示终端的背光亮度相同，从而使得显示终端的背光不会出现过亮或过暗的亮度异常情况，进而达到自动适应不同环境光源的目的。In this embodiment, after the compensation, the inductive characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the display terminal is only related to the actual ambient illumination. In this embodiment, under different ambient light sources, as long as the illuminance of the ambient light source is the same, the backlight brightness of the display terminal after the backlight is adjusted is the same, so that the backlight of the display terminal does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
本实施例通过对光谱传感器进行光感输出补偿，进而可融合不同环境光源之间的差异并以用户最为舒适的观看体验为调节标准，相应调节显示终端的背光亮度，进而使显示终端在不同的环境光源下也能满足用户舒适观看的要求，避免因不同的环境光源而导致显示终端背光亮度过高或过低的问题，提升用户观看体验。In this embodiment, the spectral sensor is compensated for the light-sensing output, and the difference between the different ambient light sources can be fused, and the user's most comfortable viewing experience is used as the adjustment standard, and the backlight brightness of the display terminal is adjusted accordingly, thereby making the display terminal different. Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the display terminal is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
参照图10，图10为图9中环境光源识别模块的细化功能模块示意图。基于上述实施例，本实施例中，环境光源识别模块10包括：Referring to FIG. 10, FIG. 10 is a schematic diagram of a refinement function module of the ambient light source identification module of FIG. Based on the above embodiment, in this embodiment, the ambient light source identification module 10 includes:
光谱曲线获取单元101，用于通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；a spectral curve obtaining unit 101, configured to detect and obtain, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
光谱曲线比对单元102，用于将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。The spectral curve comparison unit 102 is configured to compare the obtained spectral curve with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently displayed by the display terminal.
本实施例中，如图2-5所示，通过光谱传感器可获得显示终端当前所处环境光源的光谱曲线。此外，为识别显示终端当前所处环境光源类型，因此，可预先保存不同环境光源的光谱曲线，并通过将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，从而识别出显示终端当前所处环境光源类型。In this embodiment, as shown in FIG. 2-5, the spectral curve of the ambient light source currently displayed by the display terminal can be obtained by using the spectrum sensor. In addition, in order to identify the type of ambient light source currently in the display terminal, the spectral curve of the different ambient light sources can be pre-stored, and the obtained spectral curve is compared with the preset spectral curves of different ambient light sources to identify each other. The type of ambient light source in which the terminal is currently located is displayed.
参照图11，图11为本发明电视机一实施例的功能模块示意图。本实施例中，所述电视机包括光谱传感器210与显示终端背光亮度调节装置220。Referring to FIG. 11, FIG. 11 is a schematic diagram of functional modules of an embodiment of a television set according to the present invention. In this embodiment, the television includes a spectral sensor 210 and a display terminal backlight brightness adjusting device 220.
本实施例中，电视机通过光谱传感器210检测电视机所处环境的环境光源类型，同时，电视机通过显示终端背光亮度调节装置220识别光谱传感器210检测结果，确定电视机当前所处环境的环境光源类型，并根据所确定的环境光源类型进行相应的光谱传感器210的光感输出补偿处理，并获取补偿后光谱传感器210所对应的光感应特性曲线，进而根据该获取的光感应特性曲线及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。In this embodiment, the television detects the type of ambient light source in the environment where the television is located through the spectrum sensor 210. At the same time, the television recognizes the detection result of the spectrum sensor 210 through the display terminal backlight brightness adjustment device 220, and determines the environment in which the television is currently located. a light source type, and performing a corresponding light sensor output compensation process of the spectral sensor 210 according to the determined ambient light source type, and acquiring a light sensing characteristic curve corresponding to the compensated spectral sensor 210, and then according to the acquired light sensing characteristic curve and corresponding Preset backlight brightness adjustment experience value, display terminal backlight brightness adjustment.
本实施例中，经过补偿后，使得任意环境光源下光谱传感器所对应的感应特性曲线均相同，也即达到电视机背光亮度的调节只与实际环境照度相关。本实施例中，在不同的环境光源下，只要环境光源的光照度相同，则调节背光后的电视机的背光亮度相同，从而使得电视机的背光不会出现过亮或过暗的亮度异常情况，进而达到自动适应不同环境光源的目的。In this embodiment, after the compensation, the sensing characteristic curves corresponding to the spectral sensors under any ambient light source are the same, that is, the adjustment of the backlight brightness of the television is only related to the actual ambient illumination. In this embodiment, under different ambient light sources, as long as the illuminance of the ambient light source is the same, the backlight brightness of the television after adjusting the backlight is the same, so that the backlight of the television does not have an excessively bright or too dark brightness abnormality. In order to achieve the purpose of automatically adapting to different ambient light sources.
本实施例通过对光谱传感器进行光感输出补偿，进而可融合不同环境光源之间的差异并以用户最为舒适的观看体验为调节标准，相应调节电视机的背光亮度，进而使电视机在不同的环境光源下也能满足用户舒适观看的要求，避免因不同的环境光源而导致电视机背光亮度过高或过低的问题，提升用户观看体验。In this embodiment, the spectral sensor is compensated for the light sense output, thereby merging the difference between the different ambient light sources and adjusting the brightness of the backlight of the television according to the user's most comfortable viewing experience, thereby making the television different. Under the ambient light source, the user can also meet the requirements of comfortable viewing, and avoid the problem that the backlight brightness of the television is too high or too low due to different ambient light sources, thereby improving the user viewing experience.
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims (18)

  1. 一种显示终端背光亮度调节方法，其特征在于，所述显示终端背光亮度调节方法包括： A method for adjusting brightness of a backlight of a display terminal, wherein the method for adjusting backlight brightness of the display terminal comprises:
    通过光谱传感器检测并识别显示终端当前所处环境光源类型；Detecting and identifying the type of ambient light source currently displayed by the display terminal through the spectral sensor;
    根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；Correspondingly selecting a light-sensing output compensation coefficient to compensate a light perception of the spectral sensor according to the identified type of ambient light source, and acquiring a light-sensing characteristic curve corresponding to the spectral sensor for performing light-sensing output compensation;
    根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。Performing display terminal backlight brightness adjustment according to the light sensing characteristic curve and the corresponding preset backlight brightness adjustment experience value.
  2. 如权利要求1所述的显示终端背光亮度调节方法，其特征在于，所述通过光谱传感器检测并识别显示终端当前所处环境光源类型包括：The backlight brightness adjustment method for a display terminal according to claim 1, wherein the detecting, by the spectral sensor, the type of the ambient light source currently displayed by the display terminal comprises:
    通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；Detecting and obtaining, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
    将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。The obtained spectral curve is compared with the preset spectral curves of different ambient light sources for identifying the current ambient light source type of the display terminal.
  3. 如权利要求1所述的显示终端背光亮度调节方法，其特征在于，在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。The backlight brightness adjustment method for a display terminal according to claim 1, wherein the optical sensor characteristic curves respectively corresponding to the spectral sensor output compensation are set to be the same under any ambient light source.
  4. 如权利要求2所述的显示终端背光亮度调节方法，其特征在于，在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。The backlight brightness adjustment method for a display terminal according to claim 2, wherein the optical sensing characteristic curves respectively corresponding to the spectral sensor output compensation are set to be the same under any ambient light source.
  5. 如权利要求3所述的显示终端背光亮度调节方法，其特征在于，在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。The backlight brightness adjustment method for a display terminal according to claim 3, wherein, under different ambient light sources, if the illuminance of the ambient light source is the same, the adjusted backlight brightness of the display terminal is set to be the same.
  6. 如权利要求4所述的显示终端背光亮度调节方法，其特征在于，在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。The backlight brightness adjustment method for a display terminal according to claim 4, wherein, under different ambient light sources, if the illuminance of the ambient light source is the same, the adjusted backlight brightness of the display terminal is set to be the same.
  7. 一种显示终端背光亮度调节装置，其特征在于，所述显示终端背光亮度调节装置包括：A display terminal backlight brightness adjusting device, wherein the display terminal backlight brightness adjusting device comprises:
    环境光源识别模块，用于通过光谱传感器检测并识别显示终端当前所处环境光源类型；An ambient light source identification module, configured to detect and identify a type of ambient light source currently displayed by the display terminal by using the spectral sensor;
    光感输出补偿模块，用于根据识别到的环境光源类型，相应地选择光感输出补偿系数对所述光谱传感器的光感进行补偿，并获取所述光谱传感器进行光感输出补偿后所对应的光感应特性曲线；a light-sensing output compensation module, configured to compensate a light sensor of the spectral sensor according to the identified ambient light source type, and correspondingly select a light-sensing output compensation coefficient, and obtain a corresponding response of the spectral sensor after performing light-sensing output compensation Light sensing characteristic curve;
    背光亮度调节模块，用于根据所述光感应特性曲线以及对应预设的背光亮度调节经验值，进行显示终端背光亮度调节。The backlight brightness adjustment module is configured to perform backlight brightness adjustment of the display terminal according to the light sensing characteristic curve and the preset backlight brightness adjustment experience value.
  8. 如权利要求7所述的显示终端背光亮度调节装置，其特征在于，所述环境光源识别模块包括：The display terminal backlight brightness adjustment device of claim 7, wherein the ambient light source identification module comprises:
    光谱曲线获取单元，用于通过所述光谱传感器检测并获得显示终端当前所处环境光源的光谱曲线；a spectral curve acquiring unit, configured to detect and obtain, by the spectral sensor, a spectral curve of an ambient light source currently displayed by the display terminal;
    光谱曲线比对单元，用于将获得的光谱曲线与预置的不同环境光源的光谱曲线进行一一比对，以供识别显示终端当前所处环境光源类型。The spectral curve comparison unit is configured to compare the obtained spectral curve with the preset spectral curves of different ambient light sources for identifying the type of ambient light source currently displayed by the display terminal.
  9. 如权利要求7所述的显示终端背光亮度调节装置，其特征在于，所述光感输出补偿模块还用于：The backlight brightness adjustment device for a display terminal according to claim 7, wherein the light sensing output compensation module is further configured to:
    在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。Under any ambient light source, the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
  10. 如权利要求8所述的显示终端背光亮度调节装置，其特征在于，所述光感输出补偿模块还用于：The backlight brightness adjustment device for a display terminal according to claim 8, wherein the light sensing output compensation module is further configured to:
    在任意环境光源下，将所述光谱传感器进行光感输出补偿后所分别对应的光感应特性曲线设为相同。Under any ambient light source, the respective optical sensing characteristic curves corresponding to the spectral sensor output compensation are set to be the same.
  11. 如权利要求9所述的显示终端背光亮度调节装置，其特征在于，所述背光亮度调节模块还用于：The backlight brightness adjustment device for a display terminal according to claim 9, wherein the backlight brightness adjustment module is further configured to:
    在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Under different ambient light sources, if the ambient light source has the same illuminance, the adjusted display terminal backlight brightness is set to be the same.
  12. 如权利要求10所述的显示终端背光亮度调节装置，其特征在于，所述背光亮度调节模块还用于：The backlight brightness adjustment device for a display terminal according to claim 10, wherein the backlight brightness adjustment module is further configured to:
    在不同环境光源下，若环境光源的光照度相同，则将调节后的显示终端背光亮度设为相同。Under different ambient light sources, if the ambient light source has the same illuminance, the adjusted display terminal backlight brightness is set to be the same.
  13. 一种电视机，其特征在于，所述电视机包括光谱传感器与权利要求7所述的显示终端背光亮度调节装置。A television set, characterized in that the television set comprises a spectral sensor and the display terminal backlight brightness adjusting device according to claim 7.
  14. 如权利要求13所述的电视机，其特征在于，所述电视机还包括光权利要求8所述的显示终端背光亮度调节装置。A television set according to claim 13, wherein said television set further comprises the display terminal backlight brightness adjusting device of claim 8.
  15. 如权利要求13所述的电视机，其特征在于，所述电视机还包括光权利要求9所述的显示终端背光亮度调节装置。A television set according to claim 13, wherein said television set further comprises the display terminal backlight brightness adjusting device of claim 9.
  16. 如权利要求14所述的电视机，其特征在于，所述电视机还包括光权利要求10所述的显示终端背光亮度调节装置。A television set according to claim 14, wherein said television set further comprises the display terminal backlight brightness adjusting device of claim 10.
  17. 如权利要求15所述的电视机，其特征在于，所述电视机还包括光权利要求11所述的显示终端背光亮度调节装置。A television set according to claim 15, wherein said television set further comprises the display terminal backlight brightness adjusting device of claim 11.
  18. 如权利要求16所述的电视机，其特征在于，所述电视机还包括光权利要求12所述的显示终端背光亮度调节装置。A television set according to claim 16, wherein said television set further comprises the display terminal backlight brightness adjusting device of claim 12.
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