CN106157899B - Control method, adjusting method, electronic equipment and backlight chip - Google Patents
Control method, adjusting method, electronic equipment and backlight chip Download PDFInfo
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- CN106157899B CN106157899B CN201510202233.4A CN201510202233A CN106157899B CN 106157899 B CN106157899 B CN 106157899B CN 201510202233 A CN201510202233 A CN 201510202233A CN 106157899 B CN106157899 B CN 106157899B
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Abstract
The invention discloses a control method, which is applied to electronic equipment, wherein the electronic equipment comprises a display chip and a backlight chip, and the method comprises the following steps: acquiring brightness request information, wherein the brightness request information comprises a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip; controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution; wherein the second resolution is greater than the first resolution. According to the invention, the backlight chip of the electronic equipment is controlled to adjust the low-resolution content display brightness to be matched with the target brightness parameter in the brightness request information based on the high resolution, so that the adjustment effect of the high-resolution brightness adjustment is realized, the brightness change feeling difference is reduced when the display brightness is adjusted in different brightness environments, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of device control technologies, and in particular, to a control method, an adjustment method, an electronic device, and a backlight chip.
Background
At present, a PWM signal that can be output by an LCD chip can support a duty ratio resolution of 8bit, and when adjusting display brightness, a backlight chip adjusts brightness according to a dimming level of 8bit of the PWM signal, so that brightness changes between two brightness levels are close to 100% at low brightness, and brightness changes between two brightness levels are only 0.3% at high brightness. Since human eyes can only perceive the luminance change of more than 1%, the luminance change feeling when the display luminance is adjusted under different luminance environments is obviously different, and the user experience is affected.
Disclosure of Invention
The present invention is directed to a control method, an adjustment method, an electronic device, and a backlight chip, for solving the technical problem in the prior art that when adjusting display brightness, brightness adjustment with a low-resolution dimming level causes a difference in brightness change feeling when adjusting display brightness in different brightness environments, which affects user experience.
The invention provides a control method, which is applied to electronic equipment, wherein the electronic equipment comprises a display chip and a backlight chip, and the method comprises the following steps:
acquiring brightness request information, wherein the brightness request information comprises a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip;
controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
wherein the second resolution is greater than the first resolution.
In the above method, preferably, the controlling the backlight chip to adjust the brightness thereof to be consistent with the target brightness parameter based on the second resolution includes:
acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
controlling the backlight chip to perform brightness grading on the brightness range based on a second resolution;
controlling the backlight chip to determine a target brightness level in the divided brightness levels according to the target brightness parameter;
and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
In the above method, preferably, the controlling the backlight chip to adjust the brightness thereof to correspond to the target brightness level includes:
and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to each brightness grade in sequence according to the brightness grade sequence obtained by division from the brightness grade corresponding to the current brightness of the backlight chip until the current brightness of the backlight chip corresponds to the target brightness grade.
The invention also provides an electronic device, which comprises a display chip and a backlight chip, and further comprises:
a request acquisition unit configured to acquire luminance request information, where the luminance request information includes a target luminance parameter, and the target luminance parameter is generated based on a first resolution of the display chip;
the brightness control unit is used for controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on the second resolution;
wherein the second resolution is greater than the first resolution.
In the electronic device, it is preferable that the luminance control unit includes:
the range acquisition subunit is used for acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
a division control subunit, configured to control the backlight chip to perform brightness level division on the brightness range based on the second resolution;
a determination control subunit, configured to control the backlight chip to determine a target brightness level from the divided brightness levels according to the target brightness parameter;
and the adjusting control subunit is used for controlling the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
In the above electronic device, preferably, the adjustment control subunit includes:
and the gradual change adjustment control module is used for controlling the backlight chip to adjust the brightness of the backlight chip to correspond to each brightness grade in sequence from the brightness grade corresponding to the current brightness of the backlight chip according to the brightness grade sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness grade.
The invention also provides an adjusting method, which is applied to a backlight chip in electronic equipment, wherein the electronic equipment also comprises a display chip, and the method comprises the following steps:
obtaining brightness request information of the display chip, wherein the brightness request information comprises a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip;
adjusting the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
wherein the second resolution is greater than the first resolution.
In the above method, preferably, the adjusting the luminance of the backlight chip based on the second resolution to be consistent with the target luminance parameter includes:
acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
performing luminance gradation on the luminance range based on a second resolution;
determining a target brightness level from the divided brightness levels according to the target brightness parameter;
and adjusting the brightness of the backlight chip to correspond to the target brightness level.
In the above method, preferably, the adjusting the brightness of the backlight chip to correspond to the target brightness level includes:
and starting from the brightness level corresponding to the current brightness of the backlight chip, adjusting the brightness of the backlight chip to correspond to each brightness level in sequence according to the brightness level sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness level.
The invention also provides a backlight chip, wherein the backlight chip is arranged on the electronic equipment, and the electronic equipment further comprises a display chip;
the backlight chip is used for obtaining brightness request information of the display chip, wherein the brightness request information comprises a target brightness parameter, the target brightness parameter is generated based on a first resolution of the display chip, and then the brightness of the backlight chip is adjusted to be matched with the target brightness parameter based on a second resolution;
wherein the second resolution is greater than the first resolution.
Preferably, the backlight chip includes:
a request obtaining module, configured to obtain brightness request information of the display chip, where the brightness request information includes a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip;
the brightness adjusting module is used for adjusting the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
wherein the second resolution is greater than the first resolution.
Preferably, the backlight chip further includes:
the brightness range acquisition submodule is used for acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
a grading submodule for performing brightness grading on the brightness range based on a second resolution;
the target grade determining submodule is used for determining a target brightness grade from the brightness grades obtained by dividing according to the target brightness parameter;
and the target brightness adjusting submodule is used for adjusting the brightness of the backlight chip to correspond to the target brightness level.
Preferably, the backlight chip further includes a target brightness adjustment sub-module, where the target brightness adjustment sub-module includes:
and the brightness gradual change adjusting module is used for adjusting the brightness of the backlight chip to correspond to each brightness grade in sequence from the brightness grade corresponding to the current brightness of the backlight chip according to the brightness grade sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness grade.
According to the control method, the adjusting method, the electronic device and the backlight chip provided by the invention, the backlight chip of the electronic device is controlled to adjust the low-resolution content display brightness to be matched with the target brightness parameter in the brightness request information based on the high resolution, so that the adjusting effect of the high-resolution brightness adjustment is realized, the brightness change feeling difference during the brightness adjustment under different brightness environments is reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a first embodiment of a control method according to the present invention;
FIG. 2 is a partial flowchart of a second embodiment of a control method according to the present invention;
FIGS. 3a and 3b are diagrams illustrating an exemplary application of the embodiment of the present invention;
FIG. 4 is another partial flowchart of the second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third embodiment of an electronic device provided in the present invention;
fig. 6 is a schematic partial structural diagram of a fourth embodiment of an electronic device according to the present invention;
FIG. 7 is another schematic structural diagram of a portion of the fourth embodiment of the present invention;
FIG. 8 is a flow chart of a fifth embodiment of an adjustment method provided by the present invention;
FIG. 9 is a partial flow chart of a sixth embodiment of an adjustment method provided by the present invention;
FIG. 10 is another partial flow chart of a sixth embodiment of the present invention;
fig. 11 is a schematic structural diagram of a seventh embodiment of a backlight chip provided in the present invention;
fig. 12 is a schematic structural diagram of an eighth embodiment of a backlight chip provided in the present invention;
fig. 13 is a schematic partial structure diagram of a backlight chip according to a ninth embodiment of the present invention;
fig. 14 is another partial structural schematic diagram of a ninth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flowchart of a first embodiment of a control method provided by the present invention is shown, where the control method is applied to an electronic device, and the electronic device may be a mobile phone, a pad, a notebook, an all-in-one machine, or a desktop computer, which includes a display chip and a backlight chip.
In this embodiment, the method may include the steps of:
step 101: and acquiring brightness request information, wherein the brightness request information comprises a target brightness parameter.
Wherein the target brightness parameter is generated based on a first resolution of the display chip. That is, when the user uses the electronic device to view the display content, the user may perform an operation on the electronic device, such as a button click operation for performing brightness adjustment, to generate brightness request information, which is acquired by the present embodiment. The brightness request information includes a target brightness parameter that a user needs to adjust, such as which brightness the brightness of the display chip is adjusted to, and the target brightness parameter is generated based on a first resolution, such as an 8-bit resolution, of the display chip for content display.
Step 102: and controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on the second resolution.
Wherein the second resolution is greater than the first resolution.
It should be noted that the backlight chip supports the second resolution, such as 11bit, and thus, in this embodiment, the backlight chip is controlled to adjust the brightness of the backlight chip with the second resolution greater than the first resolution, so that the brightness of the backlight chip after the brightness is adjusted matches the target brightness parameter.
For example, in this embodiment, the backlight chip is controlled to multiply the 8-bit PWM signal and the 11-bit I2C signal internally to obtain the target brightness level, and in this process, the backlight brightness adjustment rule of low resolution, such as 8-bit, is not violated, and the backlight chip of high resolution, such as an LCD driver chip, does not need to be customized separately, thereby achieving the actual effect of brightness adjustment of high resolution, such as 11-bit.
According to the above scheme, in the first embodiment of the control method provided by the invention, the backlight chip of the electronic device is controlled to adjust the low-resolution content display brightness based on the high resolution to match with the target brightness parameter in the brightness request information, so that the adjustment effect of the high-resolution brightness adjustment is realized, the difference of brightness change feeling during the brightness adjustment in different brightness environments is reduced, and the user experience is improved.
Referring to fig. 2, it is a flowchart of implementing the step 102 in the second embodiment of the control method provided by the present invention, where the step 102 may include the following steps:
step 121: and acquiring the brightness range of the display chip.
Wherein, the brightness range refers to: the luminance range between the first luminance value and the second luminance value of the display chip may be the luminance value of the lowest luminance of the display chip, and the second luminance value may be the luminance value of the highest luminance of the display chip.
Step 122: and controlling the backlight chip to perform brightness level division on the brightness range based on the second resolution.
For example, the second resolution is 11-bit resolution, and in this embodiment, the luminance range is divided by 11 bits, that is, the luminance range is divided into 211The luminance levels, i.e. the luminance range is divided into 2048, i.e. 2048, luminance levels, whereby the luminance levels obtained at high resolution are significantly greater than the luminance levels obtained at low resolution, e.g. 28Corresponding to 256 brightness levels.
Correspondingly, in the 2048 brightness levels, the current brightness value of the backlight chip corresponds to one of the initial brightness levels.
Step 123: and controlling the backlight chip to determine a target brightness level from the divided brightness levels according to the target brightness parameter.
That is to say, in this embodiment, the target brightness value required by the user in the target brightness parameter is analyzed, and then a target brightness level is determined from the divided brightness levels, where the target brightness level corresponds to the target brightness value.
Step 124: and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
As shown in fig. 3a, in the present embodiment, the brightness of the backlight chip is adjusted from its corresponding initial brightness level a to the brightness corresponding to the target brightness level B.
Specifically, in order to achieve the adjustment effect of the brightness adjustment gradual change, reference may be made to another implementation flowchart of the step 102 in the embodiment of the present invention shown in fig. 4, where the step 124 may be implemented by:
step 401: and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to each brightness grade in sequence according to the brightness grade sequence obtained by division from the brightness grade corresponding to the current brightness of the backlight chip until the current brightness of the backlight chip corresponds to the target brightness grade.
For example, based on the example shown in fig. 3a, the brightness level corresponding to the current brightness of the backlight chip can be understood as the initial brightness level a in the foregoing, and there are a plurality of intermediate brightness levels C1-Cn between the initial brightness level a and the target brightness level B, as shown in fig. 3B, in this embodiment, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C1, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C2, and so on, until the brightness level of the backlight chip is controlled to correspond to the target brightness level B, that is, in this embodiment, the brightness level a is controlled to correspond to the brightness levels C1-Cn to B in order, the brightness of the backlight chip is controlled to correspond to the brightness levels in order, and the brightness of the backlight chip is gradually changed from the initial brightness to the brightness corresponding to the target brightness level, the difference of brightness change feeling when the display brightness is adjusted under different brightness environments is further reduced, and the user experience is further improved.
Referring to fig. 5, a schematic structural diagram of a third embodiment of an electronic device provided in the present invention is shown, where the electronic device may be a mobile phone, a pad, a notebook, an all-in-one machine, or a desktop computer, which has a display chip and a backlight chip.
In this embodiment, the electronic device may further include the following structure:
a request obtaining unit 501, configured to obtain brightness request information, where the brightness request information includes a target brightness parameter.
Wherein the target brightness parameter is generated based on a first resolution of the display chip. That is, when the user uses the electronic device to view the display content, the user may perform an operation on the electronic device, such as a button click operation for performing brightness adjustment, to generate brightness request information, which is acquired by the present embodiment. The brightness request information includes a target brightness parameter that a user needs to adjust, such as which brightness the brightness of the display chip is adjusted to, and the target brightness parameter is generated based on a first resolution, such as an 8-bit resolution, of the display chip for content display.
A brightness control unit 502, configured to control the backlight chip to adjust the brightness of the backlight chip to match the target brightness parameter based on the second resolution.
Wherein the second resolution is greater than the first resolution.
It should be noted that the backlight chip supports the second resolution, such as 11bit, and thus, in this embodiment, the backlight chip is controlled to adjust the brightness of the backlight chip with the second resolution greater than the first resolution, so that the brightness of the backlight chip after the brightness is adjusted matches the target brightness parameter.
For example, in this embodiment, the backlight chip is controlled to multiply the 8-bit PWM signal and the 11-bit I2C signal internally to obtain the target brightness level, and in this process, the backlight brightness adjustment rule of low resolution, such as 8-bit, is not violated, and the backlight chip of high resolution, such as an LCD driver chip, does not need to be customized separately, thereby achieving the actual effect of brightness adjustment of high resolution, such as 11-bit.
According to the third embodiment of the electronic device, the backlight chip of the electronic device is controlled to adjust the low-resolution content display brightness based on the high resolution to match the target brightness parameter in the brightness request information, so that the adjustment effect of the high-resolution brightness adjustment is achieved, the difference of brightness change feeling when the display brightness is adjusted in different brightness environments is reduced, and the user experience is improved.
Referring to fig. 6, a schematic structural diagram of the luminance controlling unit 502 in the fourth embodiment of the electronic device provided by the present invention is shown, where the luminance controlling unit 502 may include the following structures:
and a range acquiring subunit 521, configured to acquire a luminance range of the display chip.
Wherein, the brightness range refers to: the luminance range between the first luminance value and the second luminance value of the display chip may be the luminance value of the lowest luminance of the display chip, and the second luminance value may be the luminance value of the highest luminance of the display chip.
A division control subunit 522, configured to control the backlight chip to perform brightness level division on the brightness range based on the second resolution.
For example, the second resolution is 11-bit resolution, and in this embodiment, the luminance range is divided by 11 bits, that is, the luminance range is divided into 211The luminance levels, i.e. the luminance range is divided into 2048, i.e. 2048, luminance levels, whereby the luminance levels obtained at high resolution are significantly greater than the luminance levels obtained at low resolution, e.g. 28Corresponding to 256 brightness levels.
Correspondingly, in the 2048 brightness levels, the current brightness value of the backlight chip corresponds to one of the initial brightness levels.
A determining control subunit 523, configured to control the backlight chip to determine a target brightness level from the divided brightness levels according to the target brightness parameter.
That is to say, in this embodiment, the target brightness value required by the user in the target brightness parameter is analyzed, and then a target brightness level is determined from the divided brightness levels, where the target brightness level corresponds to the target brightness value.
And an adjustment control subunit 524, configured to control the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
As shown in fig. 3a, in the present embodiment, the brightness of the backlight chip is adjusted from its corresponding initial brightness level a to the brightness corresponding to the target brightness level B.
Specifically, in order to achieve the adjustment effect of gradual brightness adjustment, reference may be made to a schematic structural diagram of the brightness control unit 502 in the embodiment of the present invention shown in fig. 7, where the adjustment control subunit 524 may be implemented by the following structure:
and a gradual change adjustment control module 701, configured to control the backlight chip to adjust its brightness to correspond to each of the brightness levels in sequence, starting with the brightness level corresponding to the current brightness of the backlight chip, according to the brightness level sequence obtained through division, until the current brightness of the backlight chip corresponds to the target brightness level.
For example, based on the example shown in fig. 3a, the brightness level corresponding to the current brightness of the backlight chip can be understood as the initial brightness level a in the foregoing, and there are a plurality of intermediate brightness levels C1-Cn between the initial brightness level a and the target brightness level B, as shown in fig. 3B, in this embodiment, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C1, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C2, and so on, until the brightness level of the backlight chip is controlled to correspond to the target brightness level B, that is, in this embodiment, the brightness level a is controlled to correspond to the brightness levels C1-Cn through C1-Cn to B, and the brightness of the backlight chip is controlled to correspond to the brightness levels in turn, so that the brightness of the backlight chip is gradually changed from the initial brightness to the brightness level corresponding to the target brightness level B The difference of brightness change feeling when the display brightness is adjusted under different brightness environments is further reduced, and the user experience is further improved.
Referring to fig. 8, a flowchart of a fifth embodiment of the adjusting method provided by the present invention is shown, where the method may be applied to a backlight chip of an electronic device, and the electronic device may be a mobile phone, a pad, a notebook, an all-in-one machine, or a desktop computer, which further includes a display chip.
In this embodiment, the method may include the steps of:
step 801: and acquiring brightness request information of the display chip, wherein the brightness request information comprises a target brightness parameter.
Wherein the target brightness parameter is generated based on a first resolution of the display chip. That is, when the user uses the electronic device to view the display content, the user may perform an operation on the electronic device, such as a button click operation for performing brightness adjustment, to generate brightness request information, which is acquired by the present embodiment. The brightness request information includes a target brightness parameter that a user needs to adjust, such as which brightness the brightness of the display chip is adjusted to, and the target brightness parameter is generated based on a first resolution, such as an 8-bit resolution, of the display chip for content display.
Step 802: and adjusting the brightness of the backlight chip to be matched with the target brightness parameter based on the second resolution.
Wherein the second resolution is greater than the first resolution.
It should be noted that the backlight chip supports the second resolution, such as 11bit, and thus, in this embodiment, the luminance of the backlight chip is adjusted by the second resolution which is greater than the first resolution, so that the luminance of the backlight chip after the luminance is adjusted matches the target luminance parameter.
For example, in this embodiment, the backlight chip internally multiplies the 8-bit PWM signal and the 11-bit I2C signal to obtain the target brightness level, and in this process, the backlight brightness adjustment rule of low resolution, such as 8-bit, is not violated, and the backlight chip of high resolution, such as an LCD driver chip, does not need to be customized separately, thereby achieving the actual effect of brightness adjustment of high resolution, such as 11-bit.
According to the fifth embodiment of the adjusting method, the backlight chip adjusts the low-resolution content display brightness based on the high resolution to match the target brightness parameter in the brightness request information, so that the adjusting effect of the high-resolution brightness adjustment is achieved, the difference of brightness change feeling when the display brightness is adjusted in different brightness environments is reduced, and the user experience is improved.
Referring to fig. 9, a flowchart of an implementation of the step 802 in a sixth embodiment of the adjusting method provided by the present invention is shown, where the step 802 may include the following steps:
step 821: and acquiring the brightness range of the display chip.
Wherein, the brightness range refers to: the luminance range between the first luminance value and the second luminance value of the display chip may be the luminance value of the lowest luminance of the display chip, and the second luminance value may be the luminance value of the highest luminance of the display chip.
Step 822: the luminance range is luminance-graded based on a second resolution.
For example, the second resolution is 11-bit resolution, and in this embodiment, the luminance range is divided by 11 bits, that is, the luminance range is divided into 211The luminance levels, i.e. the luminance range is divided into 2048, i.e. 2048, luminance levels, whereby the luminance levels obtained at high resolution are significantly greater than the luminance levels obtained at low resolution, e.g. 28Corresponding to 256 brightness levels.
Correspondingly, in the 2048 brightness levels, the current brightness value of the backlight chip corresponds to one of the initial brightness levels.
Step 823: and determining a target brightness level from the divided brightness levels according to the target brightness parameter.
That is to say, in this embodiment, the target brightness value required by the user in the target brightness parameter is analyzed, and then a target brightness level is determined from the divided brightness levels, where the target brightness level corresponds to the target brightness value.
Step 824: and adjusting the brightness of the backlight chip to correspond to the target brightness level.
As shown in fig. 3a, in the present embodiment, the brightness of the backlight chip is adjusted from its corresponding initial brightness level a to the brightness corresponding to the target brightness level B.
Specifically, in order to achieve the adjustment effect of the gradual brightness adjustment, refer to another implementation flowchart of step 802 in the embodiment of the present invention shown in fig. 10, where step 824 may be implemented by:
step 1001: and starting from the brightness level corresponding to the current brightness of the backlight chip, adjusting the brightness of the backlight chip to correspond to each brightness level in sequence according to the brightness level sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness level.
For example, based on the example shown in fig. 3a, the brightness level corresponding to the current brightness of the backlight chip can be understood as the initial brightness level a in the foregoing, and there are a plurality of intermediate brightness levels C1-Cn between the initial brightness level a and the target brightness level B, as shown in fig. 3B, in this embodiment, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C1, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C2, and so on, until the brightness level of the backlight chip is controlled to correspond to the target brightness level B, that is, in this embodiment, the brightness level a is controlled to correspond to the brightness levels C1-Cn through C1-Cn to B, and the brightness of the backlight chip is controlled to correspond to the brightness levels in turn, so that the brightness of the backlight chip is gradually changed from the initial brightness to the brightness level corresponding to the target brightness level B The difference of brightness change feeling when the display brightness is adjusted under different brightness environments is further reduced, and the user experience is further improved.
The present invention provides a seventh embodiment of a backlight chip, in this embodiment, the backlight chip may be disposed in an electronic device, as shown in fig. 11, and the electronic device may be a mobile phone, a pad, a notebook, an all-in-one machine, or a desktop computer, which has a display chip 1101 and a backlight chip 1102.
The backlight chip 1102 may be configured to obtain brightness request information of the display chip, where the brightness request information includes a target brightness parameter, the target brightness parameter is generated based on a first resolution of the display chip, and then the brightness of the backlight chip is adjusted based on a second resolution to match the target brightness parameter;
wherein the second resolution is greater than the first resolution.
It can be seen from the foregoing solution that, in the seventh embodiment of the backlight chip provided by the present invention, the backlight chip adjusts the low-resolution content display luminance based on the high resolution to match the target luminance parameter in the luminance request information, so as to achieve the adjustment effect of the high-resolution luminance adjustment, reduce the difference in the luminance change feeling when the display luminance is adjusted in different luminance environments, and improve the user experience.
Specifically, referring to fig. 12, a schematic structural diagram of an eighth embodiment of a backlight chip provided in the present invention is shown, wherein in this embodiment, the backlight chip 1102 may include the following structure:
a request obtaining module 1121, configured to obtain brightness request information of the display chip, where the brightness request information includes a target brightness parameter.
Wherein the target brightness parameter is generated based on a first resolution of the display chip. That is, when the user uses the electronic device to view the display content, the user may perform an operation on the electronic device, such as a button click operation for performing brightness adjustment, to generate brightness request information, which is acquired by the present embodiment. The brightness request information includes a target brightness parameter that a user needs to adjust, such as which brightness the brightness of the display chip is adjusted to, and the target brightness parameter is generated based on a first resolution, such as an 8-bit resolution, of the display chip for content display.
And a brightness adjusting module 1122, configured to adjust the brightness of the backlight chip to match the target brightness parameter based on the second resolution.
Wherein the second resolution is greater than the first resolution.
It should be noted that the backlight chip supports the second resolution, such as 11bit, and thus, in this embodiment, the luminance of the backlight chip is adjusted by the second resolution which is greater than the first resolution, so that the luminance of the backlight chip after the luminance is adjusted matches the target luminance parameter.
For example, in this embodiment, the backlight chip internally multiplies the 8-bit PWM signal and the 11-bit I2C signal to obtain the target brightness level, and in this process, the backlight brightness adjustment rule of low resolution, such as 8-bit, is not violated, and the backlight chip of high resolution, such as an LCD driver chip, does not need to be customized separately, thereby achieving the actual effect of brightness adjustment of high resolution, such as 11-bit.
Referring to fig. 13, a schematic structural diagram of the brightness adjusting module 1122 in a ninth embodiment of the backlight chip provided by the present invention is shown, wherein the brightness adjusting module 1122 may include the following structures:
the brightness range obtaining sub-module 1301 is configured to obtain a brightness range of the display chip.
Wherein, the brightness range refers to: the luminance range between the first luminance value and the second luminance value of the display chip may be the luminance value of the lowest luminance of the display chip, and the second luminance value may be the luminance value of the highest luminance of the display chip.
A grading sub-module 1302 configured to grade the brightness of the brightness range based on the second resolution.
For example, the second resolution is 11-bit resolution, and in this embodiment, the luminance range is divided by 11 bits, that is, the luminance range is divided into 211The luminance levels, i.e. the luminance range is divided into 2048, i.e. 2048, luminance levels, whereby the luminance levels obtained at high resolution are significantly greater than the luminance levels obtained at low resolution, e.g. 28Corresponding to 256 brightness levels.
Correspondingly, in the 2048 brightness levels, the current brightness value of the backlight chip corresponds to one of the initial brightness levels.
And the target level determining submodule 1303 is configured to determine a target brightness level from the divided brightness levels according to the target brightness parameter.
That is to say, in this embodiment, the target brightness value required by the user in the target brightness parameter is analyzed, and then a target brightness level is determined from the divided brightness levels, where the target brightness level corresponds to the target brightness value.
And a target brightness adjusting sub-module 1304, configured to adjust the brightness of the backlight chip to correspond to the target brightness level.
As shown in fig. 3a, in the present embodiment, the brightness of the backlight chip is adjusted from its corresponding initial brightness level a to the brightness corresponding to the target brightness level B.
Specifically, in order to achieve the adjustment effect of gradual brightness adjustment, referring to another schematic structural diagram of the brightness adjustment module 1122 in the embodiment of the present invention shown in fig. 14, the target brightness adjustment sub-module 1304 may be implemented by the following structure:
and a brightness gradient adjusting module 1341, configured to adjust, according to a brightness level sequence obtained by dividing, the brightness of the backlight chip sequentially corresponding to each of the brightness levels, starting with the brightness level corresponding to the current brightness of the backlight chip, until the current brightness of the backlight chip corresponds to the target brightness level.
For example, based on the example shown in fig. 3a, the brightness level corresponding to the current brightness of the backlight chip can be understood as the initial brightness level a in the foregoing, and there are a plurality of intermediate brightness levels C1-Cn between the initial brightness level a and the target brightness level B, as shown in fig. 3B, in this embodiment, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C1, the brightness of the backlight chip is controlled to correspond to the intermediate brightness level C2, and so on, until the brightness level of the backlight chip is controlled to correspond to the target brightness level B, that is, in this embodiment, the brightness level a is controlled to correspond to the brightness levels C1-Cn through C1-Cn to B, and the brightness of the backlight chip is controlled to correspond to the brightness levels in turn, so that the brightness of the backlight chip is gradually changed from the initial brightness to the brightness level corresponding to the target brightness level B The difference of brightness change feeling when the display brightness is adjusted under different brightness environments is further reduced, and the user experience is further improved.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above detailed descriptions of the control method, the adjustment method, the electronic device, and the backlight chip provided by the present application are provided, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the descriptions of the above embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (13)
1. A control method is applied to an electronic device, the electronic device comprises a display chip and a backlight chip, and the method comprises the following steps:
acquiring brightness request information, wherein the brightness request information comprises a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip; the target brightness parameter is a target brightness parameter which needs to be adjusted by a user;
controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
the resolution is used for representing the brightness level, the second resolution is larger than the first resolution, and the backlight chip supports the second resolution.
2. The method of claim 1, wherein the controlling the backlight chip to adjust its brightness based on the second resolution to be consistent with the target brightness parameter comprises:
acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
controlling the backlight chip to perform brightness grading on the brightness range based on a second resolution;
controlling the backlight chip to determine a target brightness level in the divided brightness levels according to the target brightness parameter;
and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
3. The method of claim 2, wherein the controlling the backlight chip to adjust its brightness to correspond to the target brightness level comprises:
and controlling the backlight chip to adjust the brightness of the backlight chip to correspond to each brightness grade in sequence according to the brightness grade sequence obtained by division from the brightness grade corresponding to the current brightness of the backlight chip until the current brightness of the backlight chip corresponds to the target brightness grade.
4. An electronic device comprising a display chip and a backlight chip, the electronic device further comprising:
a request acquisition unit configured to acquire luminance request information, where the luminance request information includes a target luminance parameter, and the target luminance parameter is generated based on a first resolution of the display chip; the target brightness parameter is a target brightness parameter which needs to be adjusted by a user;
the brightness control unit is used for controlling the backlight chip to adjust the brightness of the backlight chip to be matched with the target brightness parameter based on the second resolution;
the resolution is used for representing the brightness level, and the second resolution is larger than the first resolution and is supported by the backlight chip.
5. The electronic device according to claim 4, wherein the luminance controlling unit includes:
the range acquisition subunit is used for acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
a division control subunit, configured to control the backlight chip to perform brightness level division on the brightness range based on the second resolution;
a determination control subunit, configured to control the backlight chip to determine a target brightness level from the divided brightness levels according to the target brightness parameter;
and the adjusting control subunit is used for controlling the backlight chip to adjust the brightness of the backlight chip to correspond to the target brightness level.
6. The electronic device of claim 5, wherein the adjustment control subunit comprises:
and the gradual change adjustment control module is used for controlling the backlight chip to adjust the brightness of the backlight chip to correspond to each brightness grade in sequence from the brightness grade corresponding to the current brightness of the backlight chip according to the brightness grade sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness grade.
7. An adjusting method is applied to a backlight chip in an electronic device, the electronic device further comprises a display chip, and the method comprises the following steps:
obtaining brightness request information of the display chip, wherein the brightness request information comprises a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip; the target brightness parameter is a target brightness parameter which needs to be adjusted by a user;
adjusting the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
the resolution is used for representing the brightness level, the second resolution is larger than the first resolution, and the backlight chip supports the second resolution.
8. The method of claim 7, wherein the adjusting the brightness of the backlight chip to be consistent with the target brightness parameter based on the second resolution comprises:
acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
performing luminance gradation on the luminance range based on a second resolution;
determining a target brightness level from the divided brightness levels according to the target brightness parameter;
and adjusting the brightness of the backlight chip to correspond to the target brightness level.
9. The method of claim 8, wherein said adjusting the brightness of the backlight chip to correspond to the target brightness level comprises:
and starting from the brightness level corresponding to the current brightness of the backlight chip, adjusting the brightness of the backlight chip to correspond to each brightness level in sequence according to the brightness level sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness level.
10. A backlight chip is arranged on an electronic device, and the electronic device further comprises a display chip;
the backlight chip is used for obtaining brightness request information of the display chip, wherein the brightness request information comprises a target brightness parameter, the target brightness parameter is generated based on a first resolution of the display chip, and then the brightness of the backlight chip is adjusted to be matched with the target brightness parameter based on a second resolution; the target brightness parameter is a target brightness parameter which needs to be adjusted by a user;
the resolution is used for representing the brightness level, and the second resolution is larger than the first resolution and is supported by the backlight chip.
11. The backlight chip according to claim 10, wherein the backlight chip comprises:
a request obtaining module, configured to obtain brightness request information of the display chip, where the brightness request information includes a target brightness parameter, and the target brightness parameter is generated based on a first resolution of the display chip;
the brightness adjusting module is used for adjusting the brightness of the backlight chip to be matched with the target brightness parameter based on a second resolution;
wherein the second resolution is greater than the first resolution.
12. The backlight chip of claim 11, wherein the brightness adjustment module comprises:
the brightness range acquisition submodule is used for acquiring a brightness range of the display chip, wherein the brightness range is a brightness range between a first brightness value and a second brightness value of the display chip;
a grading submodule for performing brightness grading on the brightness range based on a second resolution;
the target grade determining submodule is used for determining a target brightness grade from the brightness grades obtained by dividing according to the target brightness parameter;
and the target brightness adjusting submodule is used for adjusting the brightness of the backlight chip to correspond to the target brightness level.
13. The backlight chip of claim 12, wherein the target brightness adjustment sub-module comprises:
and the brightness gradual change adjusting module is used for adjusting the brightness of the backlight chip to correspond to each brightness grade in sequence from the brightness grade corresponding to the current brightness of the backlight chip according to the brightness grade sequence obtained by division until the current brightness of the backlight chip corresponds to the target brightness grade.
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