CN109557697B - Display adjusting method and terminal - Google Patents
Display adjusting method and terminal Download PDFInfo
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- CN109557697B CN109557697B CN201811590450.5A CN201811590450A CN109557697B CN 109557697 B CN109557697 B CN 109557697B CN 201811590450 A CN201811590450 A CN 201811590450A CN 109557697 B CN109557697 B CN 109557697B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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Abstract
The invention provides a display adjusting method and a terminal, wherein the method comprises the following steps: acquiring a gray-scale value of a first target pixel point of a target area in a plurality of areas of a screen, wherein the target area is correspondingly provided with the light transmittance adjusting assembly; and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas. According to the method provided by the invention, the display brightness of the screen is adjusted by adjusting the light transmittance adjusting assembly, so that the brightness distribution of the screen is uniform.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display adjusting method and a terminal.
Background
At present, light of a Thin Film Transistor (TFT) is emitted in parallel by a Light Emitting Diode (LED) lamp on a side surface of a display screen. In order to change light into scattered light, a light guide plate is arranged below a glass substrate of the display screen, so that the light irradiates in the vertical direction, and the light is emitted due to the action of a reflecting plate of the display screen, so that the light can illuminate the whole screen.
Because the LED lamp sets up in the display screen below, the demonstration luminance of display screen can take place the decay along the light propagation path of LED lamp, and when showing pure color picture on the display screen, this kind of decay phenomenon is especially obvious, and the upside luminance that moves towards the display screen more is lower, and this makes the display luminance of display screen distribute inhomogeneously.
Disclosure of Invention
The embodiment of the invention provides a display adjusting method and a terminal, and aims to solve the problem of uneven display brightness distribution of an existing screen.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a display adjustment method, which is applied to a terminal, where the terminal includes a screen and at least one transmittance adjustment component, and the method includes:
acquiring a gray-scale value of a first target pixel point of a target area in a plurality of areas, wherein the screen comprises the plurality of areas, and the target area is correspondingly provided with one light transmittance adjusting component;
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas.
In a second aspect, an embodiment of the present invention further provides a terminal, where the terminal includes a screen and a transmittance adjusting component, and the terminal further includes:
the acquisition module is used for acquiring a gray-scale value of a first target pixel point of a target area in a plurality of areas of the screen, wherein the target area is correspondingly provided with one light transmittance adjusting component;
and the adjusting module is used for adjusting the light transmittance adjusting assembly corresponding to the target area under the condition that the gray-scale value of the first target pixel point meets a preset condition, so that the difference between the brightness value of a first light ray and the brightness value of a second light ray is within a first preset threshold range, wherein the first light ray is the light which is emitted from the target area and penetrates through the light transmittance adjusting assembly, and the second light ray is the light which is emitted from a non-target area in the plurality of areas.
In a third aspect, an embodiment of the present invention further provides a terminal, including a screen and at least one transmittance adjusting component;
the screen comprises a plurality of areas, and at least one area is correspondingly provided with one light transmittance adjusting component.
In a fourth aspect, an embodiment of the present invention further provides a terminal, including a processor, a memory, and a program stored in the memory and executable on the processor, where the program, when executed by the processor, implements the steps of the display adjustment method described above.
In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the program implements the steps of the display adjustment method.
In the embodiment of the invention, the gray-scale value of a first target pixel point of a target area in a plurality of areas of a screen is obtained, wherein the target area is correspondingly provided with the light transmittance adjusting component; and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas. In this way, the transmittance of light emitted from the target area is adjusted by adjusting the transmittance adjustment assembly, so that the display brightness at the target area on the screen is adjusted, and the brightness distribution of the screen is uniform.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flow chart of a display adjustment method provided by an embodiment of the invention;
FIG. 1-1 is a schematic diagram of screen area division according to an embodiment of the present invention;
fig. 1-2 are schematic diagrams illustrating the area division of an electrochromic layer provided by an embodiment of the present invention;
FIGS. 1-3 are diagrams of systems for adjusting the brightness of a display screen according to embodiments of the present invention;
fig. 2 is a structural diagram of a terminal according to an embodiment of the present invention.
Fig. 3 is another structural diagram of a terminal according to an 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 some, not all, embodiments of the present invention. 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, fig. 1 is a flowchart of a display adjustment method according to an embodiment of the present invention, and as shown in fig. 1, the embodiment provides a display adjustment method applied to a terminal, where the terminal includes a screen and a transmittance adjustment assembly, and the method includes the following steps:
The screen comprises a plurality of areas, and the screen can be sequentially divided into the plurality of areas according to the propagation direction of light emitted by the backlight source, or the screen can be divided according to the use requirements of users, for example, the users use more middle areas of the screen, and the screen can be divided into middle areas and non-middle areas, so that the adjustment can be respectively carried out on the middle areas and the non-middle areas.
Each region is provided with a corresponding light transmittance adjusting assembly, and the transmittance of light emitted from the corresponding region can be adjusted through the light transmittance adjusting assemblies so as to adjust the display brightness of the display screen. The display brightness of the display screen is determined by the brightness of the screen and the light transmittance adjusting component. In this embodiment, the transmittance adjustment assembly adjusts transmittance of light emitted from the screen, so that display luminance of the display screen is uniformly distributed.
The target area may be one of the plurality of areas, and may include at least two of the plurality of areas.
The gray-scale value of the first target pixel point in the target region is obtained, and the gray-scale value may be some integer from 0 to 255 (including 0 and 255). The first target pixel point may be one pixel point or a plurality of pixel points.
And 102, under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrates through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the areas.
The first preset threshold may be set according to actual conditions, and is not limited herein. Preferably, the first predetermined threshold is 0, that is, the brightness value of the first light is equal to the brightness value of the second light, and the brightness of the light in each area on the screen is the same (i.e., most uniform). The second light ray may be light emitted from an area other than the target area among the plurality of areas, for example, the second light ray may be light emitted from an area adjacent to the target area among the plurality of areas. When the second light is light emitted from at least two non-target areas of the plurality of areas, the brightness of the second light may be an average of the brightness of the light emitted from the non-target areas.
And judging whether the gray-scale value of the first target pixel point meets a preset condition, and under the condition that the gray-scale value of the first target pixel point meets the preset condition, adjusting the light transmitted out of the target area through a light transmittance adjusting component corresponding to the target area.
When the light transmittance adjusting member is an electrochromic layer, the electrochromic layer is covered on the screen, and electrochromic glass can be used as the electrochromic layer, for example, glass for protecting the screen can be replaced by the electrochromic glass. The electrochromic is a phenomenon that the optical properties of the material, such as reflectivity, transmittance, absorptivity and the like, generate stable and reversible color change under the action of an external electric field, and the material is represented as reversible change of color and transparency in appearance. The transmittance (i.e., light transmittance) of light through the electrochromic layer can be changed by applying a voltage across the electrochromic layer.
The screen can be divided in the process of manufacturing the screen, each area (for convenience of description, referred to as a screen area hereinafter) on the divided screen is correspondingly covered with an electrochromic layer, and the electrochromic layer covered on the screen area is a light transmittance adjusting component corresponding to the screen area, so that the transmittance of light emitted from the corresponding area can be adjusted by applying a voltage on the electrochromic layer.
The display adjusting method of the embodiment of the invention comprises the steps of obtaining a gray scale value of a first target pixel point of a target area in a plurality of areas of a screen, wherein the target area is correspondingly provided with a light transmittance adjusting component; and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas. In this way, the transmittance of light emitted from the target area is adjusted by adjusting the transmittance adjustment assembly, so that the display brightness at the target area on the screen is adjusted, and the brightness distribution of the screen is uniform.
Further, the preset condition is that the gray scale value of the first target pixel point is greater than a preset gray scale threshold, or the ratio of the number of the first pixel points to the number of the second pixel points is greater than a second preset threshold, where the number of the first pixel points is the number of the first target pixel points in the target area, the gray scale value of which is greater than the preset gray scale threshold, and the number of the second pixel points is the total number of the pixel points in the target area.
Specifically, when the preset condition is that the gray scale value of the first target pixel is greater than the preset gray scale threshold, if a pixel (the pixel is the first target pixel) exists in the target region, and the gray scale value of the pixel is greater than the preset gray scale threshold, it is determined that the gray scale value of the pixel meets the preset condition. The preset gray level threshold may be set according to actual conditions, and is not limited herein, generally, 153 is preferred to be the preset gray level threshold, that is, 60% of the maximum gray level value.
In addition to the preset condition for judging the gray scale value of a single pixel point in the target region, the preset condition for judging the gray scale values of a plurality of pixel points in the target region can be set. The preset condition is that the ratio of the number of first pixel points to the number of second pixel points is greater than a second preset threshold, wherein the number of first pixel points is the number of first target pixel points in the target area, the gray scale value of the first target pixel points is greater than the preset gray scale threshold, and the number of second pixel points is the total number of pixel points in the target area. The second preset threshold may be set according to actual conditions, and is not limited herein.
In this embodiment, the preset condition is that the gray scale value of the first target pixel is greater than a preset gray scale threshold, or the ratio of the number of the first pixels to the number of the second pixels is greater than a second preset threshold, where the number of the first pixels is the number of the first target pixels in the target region whose gray scale value is greater than the preset gray scale threshold, and the number of the second pixels is the total number of pixels in the target region, and thus when the first target pixels satisfy the preset condition, the transmittance of light emitted from the target region is adjusted by adjusting the light transmittance adjusting component to adjust the display brightness of the region where the target region is located on the display screen, so that the brightness distribution of the display screen is uniform.
Further, in step 102, under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting component corresponding to the target area, including:
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, providing a driving voltage for the light transmittance adjusting assembly corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting assembly corresponding to the target area.
Specifically, when the transmittance adjusting member is an electrochromic layer, which covers the screen, the transmittance of light passing therethrough may be changed by applying a voltage to the electrochromic layer. The electrochromic layer is made of electrochromic glass, the transmittance of the electrochromic glass is the same as that of glass on a Thin Film Transistor (TFT) screen when no voltage is applied, when different voltages are supplied to the electrochromic glass, the transmittance of the electrochromic glass to light rays can be changed, wherein the smaller the voltage applied to the electrochromic glass is, the larger the transmittance of the electrochromic glass to light rays is. The terminal also comprises an electrochromic power supply drive, and the electrochromic power supply drive applies voltage to the electrochromic glass.
If the first target pixel point in the target area does not meet the preset condition, no voltage is applied to the light transmittance adjusting assembly corresponding to the target area, and the light transmittance of the light transmittance adjusting assembly corresponding to the target area is kept to be the maximum.
In this embodiment, when the gray scale value of the first target pixel meets a preset condition, a driving voltage is provided to the light transmittance adjusting component corresponding to the target area to adjust the light transmittance of the light transmittance adjusting component corresponding to the target area, so as to adjust the display brightness at the target area on the screen, and the brightness of the screen is uniformly distributed.
Further, in step 102, when the gray-scale value of the first target pixel meets a preset condition, adjusting a light transmittance adjusting component corresponding to the target area, including:
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting the turning angle of liquid crystal molecules in the target area through a light transmittance adjusting component corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting component corresponding to the target area.
When the turning angle of the liquid crystal molecules in the target region is adjusted, the liquid crystal molecules in the target region may be adjusted so that the adjusted angles are the same, for example, the same angles are increased or decreased, so as to adjust the light transmittance of the target region, thereby adjusting the display brightness of the target region. When the turning angle of the liquid crystal molecules is adjusted, the light transmittance adjusting component can be applied with voltage. The display brightness of the display screen is determined by the brightness of the screen and the light transmittance adjusting component. In the present embodiment, the transmittance adjustment assembly adjusts the luminance of the screen (the transmittance of the target area), so that the display luminance of the display screen is uniformly distributed.
In this embodiment, when the gray scale value of the first target pixel meets the preset condition, the turning angle of the liquid crystal molecules in the target region is adjusted through the light transmittance adjusting component corresponding to the target region to adjust the light transmittance of the light transmittance adjusting component corresponding to the target region, so as to adjust the display brightness of the target region, and thus the brightness distribution of the display screen is uniform.
Further, when the target area includes at least two areas of the plurality of areas, each area of the at least two areas is respectively provided with the transmittance adjustment assembly correspondingly. 102, obtaining a gray-scale value of a first target pixel point of a target area in the plurality of areas, including:
acquiring a gray-scale value of a second target pixel point included in a first area of the at least two areas;
and acquiring the gray-scale value of a third target pixel point included in a second area of the at least two areas.
under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, providing a first driving voltage for the light transmittance adjusting assembly corresponding to the first region and providing a second driving voltage for the light transmittance adjusting assembly corresponding to the second region; wherein a distance between the first region and the backlight is smaller than a distance between the second region and the backlight, and the first driving voltage is larger than the second driving voltage.
Specifically, the screen includes a light guide plate and a backlight connected to the light guide plate, and distances between each of the plurality of regions and the backlight are different.
In this embodiment, when the screen is divided into regions, the screen may be sequentially divided into a plurality of regions along the sequence of reaching the regions by the light, where the light is emitted from the backlight. For example, if the backlight is located at the bottom of the screen, when the screen is divided, the screen is sequentially divided into a plurality of regions in a direction from the bottom to the top of the screen. The closer to the screen area of the backlight, the greater the display brightness.
In this embodiment, the target area includes at least two areas of the plurality of areas, where the at least two areas include a first area and a second area, and a distance between the first area and the backlight is smaller than a distance between the second area and the backlight, that is, the first area is closer to the backlight than the second area.
And respectively acquiring the gray-scale value of a second target pixel point in the first area and the gray-scale value of a third target pixel point in the second area, and respectively judging whether the gray-scale value of the second target pixel point and the gray-scale value of the third target pixel point meet preset conditions.
For a second target pixel point, the preset condition may be that the gray scale value of the second target pixel point is greater than a preset gray scale threshold, or the ratio of the number of third target pixel points to the number of fourth pixel points is greater than a second preset threshold, where the number of third target pixel points is the number of second target pixel points in the first region whose gray scale value is greater than the preset gray scale threshold, and the number of fourth pixel points is the total number of pixel points in the first region.
For a third target pixel point, the preset condition may be that a gray scale value of the third target pixel point is greater than a preset gray scale threshold, or a ratio of a fifth pixel point number to a sixth pixel point number is greater than a second preset threshold, where the fifth pixel point number is the number of the third target pixel points in the second region, the gray scale value of the third target pixel points is greater than the preset gray scale threshold, and the sixth pixel point number is the total number of the pixel points in the second region.
Under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, it is indicated that the first region and the second region need to be adjusted simultaneously, at this time, a first driving voltage is provided for the light transmittance adjusting assembly corresponding to the first region, and a second driving voltage is provided for the light transmittance adjusting assembly corresponding to the second region, and the first driving voltage is greater than the second driving voltage. The difference between the brightness value of the light emitted from the first region and penetrating through the corresponding transmittance adjustment assembly and the brightness value of the light emitted from the second region and penetrating through the corresponding transmittance adjustment assembly is within a first preset threshold range. The light transmittance adjusting component is an electrochromic layer covered on the screen.
Because the first area is closer to the backlight source than the second area, the display brightness of the first area is high, the display brightness of the second area is low, when the first driving voltage is greater than the second driving voltage, the light transmittance of the electrochromic layer covering the first area is smaller than that of the electrochromic layer covering the second area, so that the display brightness of the area where the first area is located on the screen can be reduced, the display brightness of the area where the second area is located on the screen can be increased, and the brightness of the screen is uniformly distributed.
As shown in fig. 1-1, the screen 1 is divided into 4 areas (each area is represented by a different color, and the darker the color, the darker the display brightness), which are a screen area 11, a screen area 12, a screen area 13, and a screen area 14, respectively, in fig. 1-1, and reference numeral 2 indicates a backlight.
As shown in fig. 1-2, the electrochromic layer 3 overlaid on the screen is divided into 4 regions (for convenience of description, the divided regions on the electrochromic layer are referred to as adjustment layer regions). Wherein the adjustment layer area 31 is overlaid on the screen area 11, and the adjustment layer area 31 is used for adjusting the transmittance of the light emitted from the screen area 11. Likewise, the adjustment layer area 32 is overlaid on the screen area 12, and the adjustment layer area 32 is used to adjust the transmittance of light emitted from the screen area 12. The adjustment layer area 33 is overlaid on the screen area 13, and the adjustment layer area 33 is used to adjust the transmittance of light emitted from the screen area 13. The adjustment layer region 34 is overlaid on the screen region 14, and the adjustment layer region 34 is used to adjust the transmittance of light emitted from the screen region 14.
The light transmittance of the corresponding regions of the display screen can be adjusted by applying different voltages to the adjustment layer regions 31 to 34, as shown in fig. 1-2, the voltages applied to the adjustment layer regions 31 to 34 are sequentially decreased, so that the light transmittance of the regions is sequentially increased in the adjustment layer regions 31 to 34, and in fig. 1-2, each region is represented by a different color, and the darker the color, the darker the display brightness. In this way, the light transmittance (i.e., light transmittance) of each region on the display screen can be modified by the electrochromic layer, so that the brightness distribution of the display screen is uniform.
Fig. 1-3 show a system diagram of brightness adjustment of a screen, which includes an electrochromic power driver 41, a CPU control module 42, an LED lamp driver IC43, an electrochromic glass 44, a screen display driver IC45, and a backlight module 46, where a is a bright hint intention of the screen (the darker the color is, the darker the screen display brightness is), a B is a light transmittance of the electrochromic glass (the darker the color is, the darker the screen display brightness is), a C is a display condition of the display screen after brightness adjustment of the display screen by the electrochromic glass, and it can be seen from the diagram shown in C that the display brightness distribution of the display screen is uniform.
Referring to fig. 2, fig. 2 is a structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 2, the embodiment provides a terminal 300, where the terminal 300 includes a screen and a transmittance adjusting assembly, and the terminal 300 further includes:
an obtaining module 301, configured to obtain a gray scale value of a first target pixel point in a target area in multiple areas of a screen, where the target area is correspondingly provided with the light transmittance adjusting component;
an adjusting module 302, configured to adjust a light transmittance adjusting component corresponding to the target region when the gray scale value of the first target pixel meets a preset condition, so that a difference between a luminance value of a first light and a luminance value of a second light is within a first preset threshold range, where the first light is light emitted from the target region and penetrating through the light transmittance adjusting component, and the second light is light emitted from a non-target region of the multiple regions.
Further, the preset condition is that the gray scale value of the first target pixel point is greater than a preset gray scale threshold, or the ratio of the number of the first pixel points to the number of the second pixel points is greater than a second preset threshold, where the number of the first pixel points is the number of the first target pixel points in the target area, the gray scale value of which is greater than the preset gray scale threshold, and the number of the second pixel points is the total number of the pixel points in the target area.
Further, the adjusting module 302 is configured to: and under the condition that the gray-scale value of the first target pixel point meets a preset condition, providing a driving voltage for the light transmittance adjusting assembly corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting assembly corresponding to the target area.
Further, the adjusting module 302 is configured to: and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting the turning angle of liquid crystal molecules in the target area through a light transmittance adjusting component corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting component corresponding to the target area.
Further, the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distance between each of the plurality of regions and the backlight source is different.
Further, the target region includes at least two regions of the plurality of regions;
the obtaining module 301 includes: the first obtaining submodule is used for obtaining the gray-scale value of a second target pixel point included in a first area in the target area;
the second obtaining submodule is used for obtaining the gray-scale value of a third target pixel point included in a second area in the target area;
the adjustment module is used for: under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, providing a first driving voltage for the light transmittance adjusting assembly corresponding to the first region and providing a second driving voltage for the light transmittance adjusting assembly corresponding to the second region; wherein a distance between the first region and the backlight is smaller than a distance between the second region and the backlight, and the first driving voltage is larger than the second driving voltage.
Further, the light transmittance adjusting component is an electrochromic layer covering the screen.
The terminal 300 can implement each process implemented by the terminal in the method embodiment shown in fig. 1, and is not described herein again to avoid repetition.
The terminal 300 of the embodiment of the present invention obtains the gray scale value of the first target pixel point of the target area in the plurality of areas of the screen, where the target area is correspondingly provided with the light transmittance adjusting component; and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas. In this way, the transmittance of light emitted from the target area is adjusted by adjusting the transmittance adjustment assembly, so that the display brightness at the target area on the screen is adjusted, and the brightness distribution of the screen is uniform.
An embodiment of the present invention further provides a terminal, including: a screen and a transmittance adjusting assembly.
The screen comprises a plurality of areas, and each target area is correspondingly provided with the light transmittance adjusting assembly. The light transmittance adjusting component is used for adjusting the light transmittance of the light emitted from the corresponding area, so that the display brightness of the display screen is uniform.
Specifically, when the transmittance adjusting member is an electrochromic layer, which covers the screen, the transmittance of light passing therethrough may be changed by applying a voltage to the electrochromic layer. The electrochromic layer is made of electrochromic glass, the transmittance of the electrochromic glass is the same as that of glass on a Thin Film Transistor (TFT) screen when no voltage is applied, when different voltages are supplied to the electrochromic glass, the transmittance of the electrochromic glass to light rays can be changed, wherein the smaller the voltage applied to the electrochromic glass is, the larger the transmittance of the electrochromic glass to light rays is. The terminal also comprises an electrochromic power supply drive, and the electrochromic power supply drive applies voltage to the electrochromic glass.
Further, the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distance between each of the plurality of regions and the backlight source is different.
The terminal in this embodiment can implement each process implemented by the terminal in the method embodiment shown in fig. 1, which may specifically refer to the record in the method embodiment shown in fig. 1, and is not described here again to avoid repetition.
The terminal comprises a screen and a light transmittance adjusting component. The screen comprises a plurality of areas, and each target area is correspondingly provided with the light transmittance adjusting assembly. Therefore, the light transmittance of the light emitted from the corresponding area can be adjusted through the light transmittance adjusting assembly, so that the display brightness of the screen is adjusted, and the display brightness of the screen is uniform.
Fig. 3 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention, as shown in fig. 3, the terminal 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and a power supply 511. Those skilled in the art will appreciate that the terminal structure shown in fig. 3 is not intended to be limiting and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 510 is configured to obtain a gray scale value of a first target pixel point of a target area in the plurality of areas, where the screen includes the plurality of areas, and each target area is provided with the light transmittance adjusting component correspondingly;
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas.
Further, the preset condition is that the gray scale value of the first target pixel point is greater than a preset gray scale threshold, or the ratio of the number of the first pixel points to the number of the second pixel points is greater than a second preset threshold, where the number of the first pixel points is the number of the first target pixel points in the target area, the gray scale value of which is greater than the preset gray scale threshold, and the number of the second pixel points is the total number of the pixel points in the target area.
Further, the processor 510 is further configured to provide a driving voltage for the light transmittance adjusting component corresponding to the target area under the condition that the gray scale value of the first target pixel point meets a preset condition, so as to adjust the light transmittance of the light transmittance adjusting component corresponding to the target area.
Further, the processor 510 is further configured to adjust a turning angle of liquid crystal molecules in the target region through the light transmittance adjusting component corresponding to the target region under the condition that the gray scale value of the first target pixel point meets a preset condition, so as to adjust the light transmittance of the light transmittance adjusting component corresponding to the target region.
Further, the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distance between each of the plurality of regions and the backlight source is different.
Further, the target area comprises at least two areas of the plurality of areas, and the light transmittance adjusting assembly is correspondingly arranged in each of the at least two areas; processor 510 is further configured to: acquiring a gray-scale value of a second target pixel point included in a first area in the target area;
acquiring a gray-scale value of a third target pixel point included in a second area in the target area;
under the condition that the gray-scale value of the first target pixel point meets the preset condition, the light transmittance adjusting assembly corresponding to the target area is adjusted, and the method comprises the following steps:
under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, providing a first driving voltage for the light transmittance adjusting assembly corresponding to the first region and providing a second driving voltage for the light transmittance adjusting assembly corresponding to the second region; wherein a distance between the first region and the backlight is smaller than a distance between the second region and the backlight, and the first driving voltage is larger than the second driving voltage.
Further, the light transmittance adjusting component is an electrochromic layer covering the screen.
The terminal 500 can implement the processes implemented by the terminal in the foregoing embodiments, and in order to avoid repetition, the detailed description is omitted here.
In the terminal 500 of the embodiment of the present invention, the gray scale value of the first target pixel point of the target area in the plurality of areas of the screen is obtained, wherein the target area is correspondingly provided with the light transmittance adjusting component; and under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas. Therefore, the transmittance of the light emitted from the corresponding target area is adjusted by adjusting the light transmittance adjusting component, so that the display brightness at the target area on the screen is adjusted, and the brightness distribution of the screen is uniform.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 510; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 502, such as helping the user send and receive e-mails, browse web pages, access streaming media, and the like.
The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output as sound. Also, the audio output unit 503 may also provide audio output related to a specific function performed by the terminal 500 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
The input unit 504 is used to receive an audio or video signal. The input Unit 504 may include a Graphics Processing Unit (GPU) 5041 and a microphone 5042, and the Graphics processor 5041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 506. The image frames processed by the graphic processor 5041 may be stored in the memory 509 (or other storage medium) or transmitted via the radio frequency unit 501 or the network module 502. The microphone 5042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 501 in case of the phone call mode.
The terminal 500 also includes at least one sensor 505, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 5061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 5061 and/or a backlight when the terminal 500 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 505 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 506 is used to display information input by the user or information provided to the user. The Display unit 506 may include a Display panel 5061, and the Display panel 5061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 507 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072. Touch panel 5071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 5071 using a finger, stylus, or any suitable object or attachment). The touch panel 5071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. In addition, the touch panel 5071 may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. In particular, other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 5071 may be overlaid on the display panel 5061, and when the touch panel 5071 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 510 to determine the type of the touch event, and then the processor 510 provides a corresponding visual output on the display panel 5061 according to the type of the touch event. Although in fig. 3, the touch panel 5071 and the display panel 5061 are two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 5071 and the display panel 5061 may be integrated to implement the input and output functions of the terminal, and is not limited herein.
The interface unit 508 is an interface for connecting an external device to the terminal 500. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 508 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the terminal 500 or may be used to transmit data between the terminal 500 and external devices.
The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 510 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 509 and calling data stored in the memory 509, thereby performing overall monitoring of the terminal. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 510.
The terminal 500 may further include a power supply 511 (e.g., a battery) for supplying power to various components, and preferably, the power supply 511 may be logically connected to the processor 510 through a power management system, so that functions of managing charging, discharging, and power consumption are performed through the power management system.
In addition, the terminal 500 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 510, a memory 509, and a program stored in the memory 509 and capable of running on the processor 510, where the program, when executed by the processor 510, implements each process of the foregoing display adjustment method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the program implements each process of the above-mentioned display adjustment method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, 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 like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (13)
1. A display adjustment method is applied to a terminal, and is characterized in that the terminal comprises a screen and a light transmittance adjustment component, and the method comprises the following steps:
acquiring a gray-scale value of a first target pixel point of a target area in a plurality of areas of a screen, wherein the target area is correspondingly provided with the light transmittance adjusting assembly;
under the condition that the gray-scale value of the first target pixel point meets a preset condition, adjusting a light transmittance adjusting assembly corresponding to the target area to enable the difference between the brightness value of a first light ray and the brightness value of a second light ray to be within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrating through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas;
the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distances between each area in the plurality of areas and the backlight source are different;
the screen is a TFT screen.
2. The method of claim 1, wherein the predetermined condition is that the gray-scale value of the first target pixel point is greater than a predetermined gray-scale threshold, or
The ratio of the number of the first pixel points to the number of the second pixel points is larger than a second preset threshold, wherein the number of the first pixel points is the number of the first target pixel points in the target area, the gray-scale value of the first target pixel points is larger than the preset gray-scale threshold, and the number of the second pixel points is the total number of the pixel points in the target area.
3. The method according to claim 1, wherein the adjusting the transmittance adjusting component corresponding to the target area when the gray-scale value of the first target pixel point satisfies a preset condition comprises:
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, providing a driving voltage for the light transmittance adjusting assembly corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting assembly corresponding to the target area.
4. The method of claim 1, wherein the target area comprises at least two areas of the plurality of areas, and each area of the at least two areas is provided with the transmittance adjustment assembly correspondingly;
the step of obtaining the gray-scale value of the first target pixel point of the target area in the plurality of areas comprises:
acquiring a gray-scale value of a second target pixel point included in a first area in the target area;
acquiring a gray-scale value of a third target pixel point included in a second area in the target area;
under the condition that the gray-scale value of the first target pixel point meets the preset condition, the light transmittance adjusting assembly corresponding to the target area is adjusted, and the method comprises the following steps:
under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, providing a first driving voltage for the light transmittance adjusting assembly corresponding to the first region and providing a second driving voltage for the light transmittance adjusting assembly corresponding to the second region;
wherein a distance between the first region and the backlight is smaller than a distance between the second region and the backlight, and the first driving voltage is larger than the second driving voltage.
5. The method of any one of claims 1-4, wherein the transmittance adjustment component is an electrochromic layer overlying the screen.
6. A terminal, characterized in that, the terminal includes screen and luminousness adjustment subassembly, the terminal still includes:
the acquisition module is used for acquiring a gray-scale value of a first target pixel point of a target area in a plurality of areas of the screen, wherein the target area is correspondingly provided with the light transmittance adjusting component;
the adjusting module is used for adjusting a light transmittance adjusting assembly corresponding to the target area under the condition that the gray-scale value of the first target pixel point meets a preset condition, so that the difference between the brightness value of a first light ray and the brightness value of a second light ray is within a first preset threshold range, wherein the first light ray is light emitted from the target area and penetrates through the light transmittance adjusting assembly, and the second light ray is light emitted from a non-target area in the plurality of areas;
the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distances between each area in the plurality of areas and the backlight source are different;
the screen is a TFT screen.
7. The terminal of claim 6, wherein the predetermined condition is that the gray-scale value of the first target pixel point is greater than a predetermined gray-scale threshold, or
The ratio of the number of the first pixel points to the number of the second pixel points is larger than a second preset threshold, wherein the number of the first pixel points is the number of the first target pixel points in the target area, the gray-scale value of the first target pixel points is larger than the preset gray-scale threshold, and the number of the second pixel points is the total number of the pixel points in the target area.
8. The terminal of claim 6, wherein the adjusting module is configured to:
and under the condition that the gray-scale value of the first target pixel point meets a preset condition, providing a driving voltage for the light transmittance adjusting assembly corresponding to the target area so as to adjust the light transmittance of the light transmittance adjusting assembly corresponding to the target area.
9. The terminal of claim 6, wherein the target area comprises at least two areas of the plurality of areas, and each area of the at least two areas is provided with the transmittance adjustment component correspondingly;
the acquisition module includes:
the first obtaining submodule is used for obtaining the gray-scale value of a second target pixel point included in a first area in the target area;
the second obtaining submodule is used for obtaining the gray-scale value of a third target pixel point included in a second area in the target area;
the adjustment module is used for:
under the condition that the gray-scale value of the second target pixel point meets a preset condition and the gray-scale value of the third target pixel point meets the preset condition, providing a first driving voltage for the light transmittance adjusting assembly corresponding to the first region and providing a second driving voltage for the light transmittance adjusting assembly corresponding to the second region;
wherein a distance between the first region and the backlight is smaller than a distance between the second region and the backlight, and the first driving voltage is larger than the second driving voltage.
10. A terminal as claimed in any of claims 6 to 9, wherein the transmittance adjustment assembly is an electrochromic layer overlying the screen.
11. A terminal, comprising:
a screen and a light transmittance adjusting assembly;
the screen comprises a plurality of areas, and at least one area is correspondingly provided with the light transmittance adjusting assembly;
the screen comprises a light guide plate and a backlight source connected with the light guide plate, and the distances between each area in the plurality of areas and the backlight source are different;
the screen is a TFT screen.
12. A terminal comprising a processor, a memory and a program stored on the memory and executable on the processor, the program when executed by the processor implementing the steps of the display adjustment method according to any one of claims 1 to 5.
13. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a program which, when being executed by a processor, carries out the steps of the display adjustment method according to any one of claims 1 to 5.
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| CN111880678B (en) * | 2020-06-23 | 2022-09-20 | 锐捷网络股份有限公司 | Control method, device and equipment and backlight module |
| CN112102794B (en) * | 2020-09-08 | 2021-10-08 | Tcl华星光电技术有限公司 | Method and device for eliminating touch trace of touch screen and computer readable storage medium |
| CN112269465B (en) * | 2020-10-27 | 2023-03-14 | 维沃移动通信有限公司 | Method and device for preventing screen flashing and electronic equipment |
| CN116741095A (en) * | 2023-06-30 | 2023-09-12 | 惠科股份有限公司 | Display panel driving method, display panel and display device |
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