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WO2017181503A1 - Procédé d'ajustement de luminosité de rétroéclairage de terminal d'affichage, dispositif et téléviseur - Google Patents

Procédé d'ajustement de luminosité de rétroéclairage de terminal d'affichage, dispositif et téléviseur 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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WIPO (PCT)
Prior art keywords
display terminal
backlight brightness
ambient light
light source
spectral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/084911
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English (en)
Chinese (zh)
Inventor
易山珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen TCL Digital Technology Co Ltd
Original Assignee
Shenzhen TCL Digital Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Shenzhen TCL Digital Technology Co Ltd filed Critical Shenzhen TCL Digital Technology Co Ltd
Publication of WO2017181503A1 publication Critical patent/WO2017181503A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
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  • Liquid Crystal Display Device Control (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un procédé et un dispositif d'ajustement de luminosité de rétroéclairage de terminal d'affichage et un téléviseur. Le procédé d'ajustement de luminosité de rétroéclairage de terminal d'affichage consiste : à détecter et à reconnaître un type de source de lumière ambiante dans lequel un terminal d'affichage est actuellement situé par l'intermédiaire d'un capteur spectral (S10) ; sur la base du type de source de lumière ambiante reconnu, à sélectionner un coefficient de compensation de sortie de sensation de lumière en conséquence afin de compenser la sensation de lumière du capteur spectral, et à obtenir une courbe de caractéristique de détection de lumière correspondante du capteur spectral subissant la compensation de sortie de sensation de lumière (S20) ; à ajuster la luminosité de rétroéclairage du terminal d'affichage selon la courbe de caractéristique de détection de lumière et une valeur empirique d'ajustement de luminosité de rétroéclairage prédéfinie de manière correspondante (S30). La luminosité de rétroéclairage de terminal d'affichage peut être ajustée sur la base de différents types de sources de lumière ambiante, et, ainsi, le terminal d'affichage peut être amené à satisfaire les exigences de visualisation confortable de l'utilisateur selon différentes sources de lumière ambiante, permettant ainsi d'éviter le problème selon lequel la luminosité de rétroéclairage de terminal d'affichage est trop élevée ou trop faible en raison des différentes sources de lumière ambiante, de façon à améliorer l'expérience de visualisation de l'utilisateur.
PCT/CN2016/084911 2016-04-18 2016-06-06 Procédé d'ajustement de luminosité de rétroéclairage de terminal d'affichage, dispositif et téléviseur Ceased WO2017181503A1 (fr)

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CN201610239927.XA CN105741787A (zh) 2016-04-18 2016-04-18 显示终端背光亮度调节方法、装置及电视机
CN201610239927.X 2016-04-18

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CN105741787A (zh) * 2016-04-18 2016-07-06 深圳Tcl数字技术有限公司 显示终端背光亮度调节方法、装置及电视机
CN106713634B (zh) * 2016-12-21 2020-07-14 深圳Tcl数字技术有限公司 基于移动终端的电视背光调节方法及系统
CN107564479B (zh) * 2017-09-12 2021-12-17 高创(苏州)电子有限公司 背光调节方法和背光调节系统
CN107945769B (zh) * 2017-11-22 2020-04-10 Oppo广东移动通信有限公司 环境光强度检测方法、装置、存储介质及电子设备
CN108172175A (zh) * 2018-01-04 2018-06-15 广东小天才科技有限公司 一种用于光传感器的校正方法、装置、设备及存储介质
CN109119031B (zh) * 2018-09-07 2020-01-31 广州视源电子科技股份有限公司 一种控制显示器屏幕输出亮度的方法、装置及电子设备
CN111312179B (zh) * 2019-12-09 2021-05-11 Oppo广东移动通信有限公司 背光亮度调节方法及相关产品
CN114689168A (zh) * 2022-03-02 2022-07-01 昆明闻讯实业有限公司 一种光感金机标定方法、装置、系统、介质及电子设备
CN115101002A (zh) * 2022-06-30 2022-09-23 青岛海信移动通信技术股份有限公司 一种显示屏亮度调整方法、装置、终端设备及介质

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