CN114564161A - Electronic device, display method and storage medium - Google Patents
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Abstract
The invention discloses an electronic device, a display method and a storage medium. The electronic device includes: the display screen is provided with a first display area and a second display area, and the interval between pixels in the first display area is larger than the interval between pixels in the second display area; the first light sensor is positioned on the back of the first display area; the second light sensor is positioned on the back of the second display area; the processing module is respectively connected with the display screen, the first light sensor and the second light sensor and used for adjusting the driving signal value of the display screen to at least one of the first display area and the second display area according to the display brightness difference of the first display area and the second display area determined by the sensing data of the first light sensor and the second light sensor; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range.
Description
Technical Field
The present invention relates to the field of terminal device technologies, and in particular, to an electronic device, a display method, and a storage medium.
Background
The Under-screen Camera (CUP) scheme is a technical scheme in which a Camera is arranged below a display screen and the Camera shoots through the display screen. The scheme of the camera under the screen generally adopts an OLED display screen, a CPU area is marked on a common OLED display screen, and external light passes through the CPU area and enters the camera.
Since the CUP region requires higher light transmittance for the camera to image, the CUP region has a different pixel number setting compared to other regions, for example, the CUP region has fewer pixels. The brightness of the CUP region is not uniform with that of the other regions. The brightness of the CUP region can be increased by increasing the brightness of the CUP region, i.e., by increasing the current per pixel of the CUP region. After long-time use, the pixels in the CUP region age faster than those in other regions, and the CUP region has large brightness attenuation and insufficient display brightness relative to other regions.
Disclosure of Invention
The invention provides an electronic device, a display method and a storage medium.
According to a first aspect of embodiments of the present invention, there is provided an electronic apparatus, comprising:
the display screen is provided with a first display area and a second display area, wherein the interval between pixels in the first display area is larger than the interval between pixels in the second display area;
the first light sensor is positioned on the back of the first display area;
the second light sensor is positioned on the back of the second display area;
the processing module is respectively connected with the display screen, the first light sensor and the second light sensor and used for adjusting the driving signal value of the display screen to at least one of the first display area and the second display area according to the display brightness difference of the first display area and the second display area determined by the sensing data of the first light sensor and the second light sensor; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range.
In one embodiment, the first light sensor and the second light sensor are disposed adjacent to each other.
In one embodiment, the first light sensor and the second light sensor are respectively located at both sides of a boundary line between the first display area and the second display area.
In one embodiment, the processing module is specifically configured to: and in response to the display brightness of the first display area being lower than that of the second display area, increasing the value of the driving signal of the display screen to the first display area, and/or in response to the display brightness of the first display area being lower than that of the second display area, decreasing the value of the driving signal of the display screen to the second display area.
In one embodiment, the spacing between pixels in the first display region is greater than the spacing between pixels in the second display region, including:
the pixel density of the first display area is less than that of the second display area;
the pixel density of the first display area is the same as that of the second display area, and the pixel size of the first display area is smaller than that of the second display area.
In one embodiment, the electronic device further comprises:
the image acquisition module faces the back of the first display area and is used for acquiring ambient light and forming an image through the first display area.
According to a second aspect of the embodiments of the present invention, there is provided a display method applied to the electronic device according to any one of claims 1 to 5, the method including:
determining the display brightness difference between a first display area and a second display area according to the sensing data of the first light sensor and the second light sensor;
adjusting a driving signal value of the display screen to at least one of the first display area and the second display area based on the display brightness difference; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range.
In one embodiment, the adjusting the driving signal value of the display screen to at least one of the first display area and the second display area based on the display brightness difference includes one of:
in response to the display brightness of the first display area being lower than the display brightness of the second display area, increasing the driving signal value of the display screen to the first display area,
and in response to the display brightness of the first display area being lower than that of the second display area, reducing the driving signal value of the display screen to the second display area.
In one embodiment, the determining the display brightness difference between the first display area and the second display area according to the sensing data of the first light sensor and the second light sensor includes:
and determining the display brightness difference between the first display area and the second display area according to the sensing data of the first light sensor and the second light sensor when the first display area and the second display area display the same content.
In one embodiment, the drive signal values comprise: the pixel current value.
According to a third aspect of embodiments of the present invention, there is provided an electronic apparatus, including: a processor, a transceiver, a memory and an executable program stored on the memory and capable of being executed by the processor, wherein the steps of the display method according to the second aspect are performed when the executable program is executed by the processor.
According to a fourth aspect of embodiments of the present invention, there is provided a storage medium having stored thereon an executable program, characterized in that the executable program, when executed by a processor, implements the steps of the display method according to the second aspect.
The embodiment of the invention provides electronic equipment, a display method and a storage medium. The electronic device includes: the display screen is provided with a first display area and a second display area, wherein the interval between pixels in the first display area is larger than the interval between pixels in the second display area; the first light sensor is positioned on the back of the first display area; the second light sensor is positioned on the back of the second display area; the processing module is respectively connected with the display screen, the first light sensor and the second light sensor and used for adjusting the driving signal value of the display screen to at least one of the first display area and the second display area according to the display brightness difference of the first display area and the second display area determined by the sensing data of the first light sensor and the second light sensor; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range. Therefore, the driving signal value of the first display area and/or the second display area is determined based on the display brightness difference of the first display area and the second display area respectively sensed by the first light sensor and the second light sensor, and the display brightness difference of the first display area and the second display area is reduced. The display brightness difference obtained in real time is used as the basis for adjusting the brightness, so that the accuracy and the real-time performance of the adjustment of the display brightness can be improved, the consistency of the display brightness of different display areas of the display screen is improved, and the display effect is improved. On the other hand, the display brightness difference between the first display area and the second display area, which is sensed by the first light sensor and the second light sensor respectively, is an actual display brightness difference, rather than adjusting the display brightness of the two areas based on the statistical lighting time of the display screen and through a mechanical table look-up mode, so that the display brightness consistency is improved, the aging of the first display area accelerated by the improvement of the unnecessary driving signal value of the first display area is reduced, and the aging phenomenon of the first display area is delayed.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a block diagram illustrating a wireless communication system in accordance with an exemplary embodiment;
FIG. 2 is a schematic diagram illustrating a component structure of an electronic device in accordance with an exemplary embodiment;
FIG. 3 is a flow diagram illustrating a display method in accordance with an exemplary embodiment;
FIG. 4 is a block diagram illustrating an apparatus for display in accordance with an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with embodiments of the invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of embodiments of the invention, as detailed in the following claims.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information in embodiments of the present invention, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Referring to fig. 1, a schematic structural diagram of a wireless communication system according to an embodiment of the present invention is shown. As shown in fig. 1, the wireless communication system is a communication system based on a cellular mobile communication technology, and may include: several terminals 11 and several base stations 12.
The base station 12 may be a network side device in a wireless communication system. The wireless communication system may be a fourth generation mobile communication (4G) system, which is also called a Long Term Evolution (LTE) system; alternatively, the wireless communication system can be a 5G system, also called New Radio (NR) system or 5G NR system. Alternatively, the wireless communication system may be a next generation system of a 5G system. Among them, the Access Network in the 5G system may be referred to as NG-RAN (New Generation-Radio Access Network, New Generation Radio Access Network). Alternatively, an MTC system.
The base station 12 may be an evolved node b (eNB) used in a 4G system. Alternatively, the base station 12 may be a base station (gNB) adopting a centralized distributed architecture in the 5G system. When the base station 12 adopts a centralized distributed architecture, it generally includes a Centralized Unit (CU) and at least two Distributed Units (DU). A Packet Data Convergence Protocol (PDCP) layer, a Radio Link layer Control Protocol (RLC) layer, and a Media Access Control (MAC) layer are provided in the central unit; a Physical (PHY) layer protocol stack is disposed in the distribution unit, and the embodiment of the present invention does not limit the specific implementation manner of the base station 12.
The base station 12 and the terminal 11 may establish a wireless connection over a wireless air interface. In various embodiments, the wireless air interface is based on a fourth generation mobile communication network technology (4G) standard; or the wireless air interface is based on a fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; alternatively, the wireless air interface may be a wireless air interface based on a 5G technology standard of a next generation mobile communication network.
In some embodiments, an E2E (End to End) connection may also be established between terminals 11. Scenarios such as V2V (vehicle to vehicle) communication, V2I (vehicle to Infrastructure) communication, and V2P (vehicle to vehicle) communication in vehicle networking communication (V2X).
In some embodiments, the wireless communication system may further include a network management device 13.
The execution subject related to the embodiment of the invention includes but is not limited to: and terminals such as mobile phones adopting the CUP scheme.
One application scenario of the embodiment of the present disclosure is that, in the related art, the display brightness of the CUP region of the display screen is improved by performing display brightness compensation on the CUP region. In a display driver chip (DDIC) of a display panel, a lookup Table (loop up Table) is preset, and the lookup Table respectively specifies a relationship between a lighting time of a display panel in a cpu region and a non-cpu region and a pixel current increase value, for example, after the display panel is lighted up for X hours in an accumulated manner, the pixel current increase a mA is automatically adjusted, and when the display panel is used for Y hours, the pixel current increase b mA is automatically adjusted, and so on, so as to compensate for brightness attenuation of the display panel caused by the increase of the use time. In general, the current compensation value of the pixel in the CUP region is larger than that of the pixel in the non-CUP region, so that the problem of more serious brightness attenuation in the CUP region is solved. When an actual user uses the mobile phone, the DDIC can always record the screen-on time of the display screen in an accumulated mode, and when the time in the lookup table is reached, the currents of pixels in the CUP region and the non-CUP region can be respectively increased.
The brightness compensation scheme of the related art cannot debug the current increase value in real time. Because the accumulated lighting time of the display screen and the pixel current increase value are fixed, but the characteristics of each display screen are different, and the characteristics of the display screen of each manufacturer are also different, the problem that the brightness difference between a CUP area and a Normal area still occurs when the use time of the display screen is increased when the same set of algorithm is used for all the display screens.
Fig. 2 is an electronic device shown according to an exemplary embodiment, and as shown in fig. 2, the electronic device 10 includes:
a display panel 11 having a first display area 111 and a second display area 112, wherein the interval between pixels in the first display area 111 is larger than the interval between pixels in the second display area 112;
a first light sensor 12 disposed at the back of the first display region 111
A second light sensor 13 located at the back of the second display area 112;
a processing module 14, connected to the display screen 11, the first light sensor 12, and the second light sensor 13, respectively, and configured to adjust a driving signal value of the display screen 11 for at least one of the first display area 111 and the second display area 112 according to a display brightness difference between the first display area 111 and the second display area 112 determined by sensing data of the first light sensor 12 and the second light sensor 13; the display brightness difference between the first display area 111 and the second display area 112 after the driving signal value is adjusted is within a preset brightness difference range.
Here, the electronic device 10 may be a terminal device such as a mobile phone or a palm computer. The display screen 11 may be an OLED display screen, and the first light sensor 12 and the second light sensor 13 may be fixedly disposed on the display screen 11, or may be disposed on a circuit board of the electronic device 10 independently of the display screen 11.
The first display region 111 may increase the interval between pixels by reducing the number of pixels, etc., to transmit as much ambient light as possible. Since the interval between the pixels in the first display region 111 is larger than the interval between the pixels in the second display region 112, the display luminance of the first display region 111 and the second display region 112 is different, and the degree of attenuation is also different.
In one embodiment, the electronic device 10 further comprises:
the image collecting module 15 faces the back surface of the first display area 111, and is configured to collect ambient light through the first display area 111 and form an image.
The first display region 111 of the display screen 11 may be a cpu region, and the second display region 112 of the display screen 11 may be other normal display regions other than the cpu region. Here, the other normal display region other than the CUP region may be referred to as a normal (normal) region.
The regional back of CUP of display screen 11 can set up image acquisition module 14 such as the camera that is used for making a video recording, and image acquisition module 14 can utilize the ambient light who pierces through the CUP region to form images. Therefore, it is desirable that the CUP region transmit as much light as possible. When the image capture module 14 captures ambient light, the display of the CUP region can be turned off to reduce the influence of self-luminescence of the CUP region on the ambient light.
The first light sensor 12 may sense the light intensity of the first display region 111; the light intensity of the first display region 111 may include a light intensity obtained by superimposing light emitted when the external ambient light is irradiated to the first light sensor 12 through the display panel 11 and light emitted when the first display region 111 displays an image.
The second light sensor 13 may sense the light intensity of the second display area 112. The light intensity of the second display region 112 may include a light intensity obtained by superimposing light emitted when the external ambient light is irradiated to the second light sensor 13 through the display panel 11 and light emitted when the second display region 112 displays an image.
The intensity of light sensed by the first light sensor 12 and the intensity of light sensed by the second light sensor 13 are different due to the difference in brightness between the first display region 111 and the second display region 112. The processor of the terminal or the processing module 14 such as DDIC of the display screen 11 may compensate the driving signal value of the first display area 111 and/or the second display area 112 according to the display brightness difference between the first display area 111 and the second display area 112, so as to reduce the display brightness difference between the first display area 111 and the second display area 112. So that the display luminance difference of the first display region 111 and the second display region 112 is within a preset luminance difference range. For example, the display luminance difference of the first display region 111 and the second display region 112 may be made less recognizable by human eyes by reducing the display luminance difference of the first display region 111 and the second display region 112.
In one embodiment, the drive signal values comprise: the pixel current value.
The pixel current value may be a current value driving each pixel, and each pixel of the OLED display screen may include a plurality of OLEDs, and the luminance of each pixel varies according to the current.
The light intensity sensed by the first light sensor 12 and the light intensity sensed by the second light sensor 13 can be respectively sent to a processor of the terminal or a processing module 14 such as a DDIC of the display screen 11 through data connection. The DDIC of the processor or display screen 11 of the terminal may determine the display brightness difference of the first display region 111 and the second display region 112 according to the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13. Thereby adjusting the value of the driving signal in the first display region 111 and/or. Here, the first display region 111 may be a CUP region.
For example, the DDIC of the processor or display 11 of the terminal may determine that the light intensity of the CUP region is lower than the light intensity of the non-CUP region according to the light intensity sensed by the first light sensor 12 and the light intensity sensed by the second light sensor 13, and the DDIC of the processor or display 11 may increase the driving signal value of the CUP region to increase the display brightness of the CUP region, so that the display brightness difference between the CUP region and the ficu region is within the preset brightness difference range.
In this way, based on the display brightness difference between the first display area 111 and the second display area 112 sensed by the first light sensor 12 and the second light sensor 13, the driving signal value of the first display area 111 and/or the second display area 112 is determined, so as to reduce the display brightness difference between the first display area 111 and the second display area 112. The real-time display brightness difference is used as a basis for adjusting the brightness, so that the accuracy and the real-time performance of the adjustment of the display brightness can be improved, the consistency of the display brightness of different display areas of the display screen 11 is improved, and the display effect is improved. On the other hand, because the display luminance difference between the first display area 111 and the second display area 112, which is sensed by the first light sensor 12 and the second light sensor 13, is an actual display luminance difference, rather than adjusting the display luminance of the two areas based on the statistical lighting time of the display screen 11 and through a mechanical table look-up, the aging of the first display area 111 accelerated by the increase of the unnecessary driving signal value of the first display area 111 is reduced while the display luminance uniformity is improved, and the aging phenomenon of the first display area 111 is delayed.
In one embodiment, the first light sensor 12 and the second light sensor 13 are disposed adjacent to each other.
In order to reduce the difference between the ambient light outside the electronic device 10 and the influence on the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13, and/or in order to reduce the influence on the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13 due to the difference between the images of the sensing area of the first light sensor 12 and the sensing area of the second light sensor 13, the first light sensor 12 and the second light sensor 13 may be disposed at positions closer to each other. The first light sensor 12 and said second light sensor 13 may be placed within a distance threshold. In this way, the external ambient light difference and/or the difference between the display images in the sensing areas can be reduced, the influence on the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13 can be reduced, and the accuracy of determining the brightness difference between the first display area 111 and the second display area 112 can be improved. Thereby improving the precision of the display brightness compensation.
In order to reduce the influence of the ambient light difference at different positions on the sensing light intensity of the first light sensor 12 and the sensing light intensity of the second light sensor 13, and/or to reduce the influence of the image difference between the sensing area of the first light sensor 12 and the sensing area of the second light sensor 13 on the sensing light intensity of the first light sensor 12 and the sensing light intensity of the second light sensor 13, the first light sensor 12 and the second light sensor 13 may be disposed at positions closer to each other.
The first light sensor 12 and said second light sensor 13 may be placed within a distance threshold. Therefore, the influence of the ambient light difference and/or the difference of the display images of the sensing areas on the intensity of the sensing light of the first light sensor 12 and the intensity of the sensing light of the second light sensor 13 can be reduced, and the accuracy of determining the brightness difference of the first display area 111 and the second display area 112 can be improved. Thereby improving the precision of the display brightness compensation.
In one embodiment, the first light sensor 12 and the second light sensor 13 are respectively located at both sides of a boundary line between the first display area 111 and the second display area 112.
The first light sensor 12 and the second light sensor 13 may be disposed at positions as close as possible to both sides of a boundary between the first display area 111 and the second display area 112.
In an embodiment, the processing module 14 is specifically configured to: in response to the display brightness of the first display area 111 being lower than the display brightness of the second display area 112, the driving signal value of the display screen 11 to the first display area 111 is increased, and/or in response to the display brightness of the first display area 111 being lower than the display brightness of the second display area 112, the driving signal value of the display screen 11 to the second display area 112 is decreased.
Here, if the display luminance of the first display area 111 is lower than the display luminance of the second display area 112, the driving signal value of the display screen 11 to the first display area 111 may be increased, and the display luminance of the first display area 111 may be increased; the driving signal value of the display panel 11 to the first display region 111 may be reduced, and the display luminance of the second display region 112 may be reduced. The drive signal value may be a drive current value for each pixel.
In one embodiment, the spacing between pixels in the first display region 111 is greater than the spacing between pixels in the second display region 112, including:
the pixel density of the first display region 111 is less than the pixel density of the second display region 112;
the pixel density of the first display area 111 is the same as the pixel density of the second display area 112, and the pixel size of the first display area 111 is smaller than the pixel size of the second display area 112.
The first display region 111 of the display screen 11 may be a cpu region, and the second display region 112 of the display screen 11 may be other normal display regions other than the cpu region.
The pixel density of the CUP region may be lower than that of the non-CUP region, and thus, the interval between pixels of the CUP region may be increased. The space between pixels can be filled with transparent material, so that the light transmittance of the CUP region can be improved.
The CUP region may use smaller pixels, and thus, if the number of pixels is the same, the interval between pixels may be increased by using smaller pixels under the same area of the display screen 11. Therefore, the transparent space between pixels can be increased, and the light transmittance of the CUP region is improved.
The CUP region can be controlled in a manner different from that of the non-CUP region, for example, each pixel in the non-CUP region is controlled by a set of control lines, and the CUP region can control a plurality of pixels by using the set of control lines, so that the number of control lines is reduced, more space is used for light to penetrate through, and the CUP region has higher light transmittance.
Fig. 3 is a display method according to an exemplary embodiment, applied to the electronic device 10 shown in fig. 2, and the method includes:
step 301: determining the display brightness difference between the first display area 111 and the second display area 112 according to the sensing data of the first light sensor 12 and the second light sensor 13;
step 302: adjusting a driving signal value of the display screen 11 to at least one of the first display region 111 and the second display region 112 based on the display brightness difference; the display brightness difference between the first display area 111 and the second display area 112 after the driving signal value is adjusted is within a preset brightness difference range.
As shown in fig. 2, the electronic device 10 includes: a display panel 11 having a first display area 111 and a second display area 112, wherein the interval between pixels in the first display area 111 is larger than the interval between pixels in the second display area 112; a first light sensor 12 located at the back of the first display region 111; a second light sensor 13 located at the back of the second display area 112; a processing module 14. The method of the present embodiment may be performed by a processing module in the electronic device 10.
Here, the electronic device 10 may be a terminal device such as a mobile phone or a palm computer. The display screen 11 may be an OLED display screen, and the first light sensor 12 and the second light sensor 13 may be fixedly disposed on the display screen 11, or may be disposed on a circuit board of the electronic device 10 independently of the display screen 11.
The first display region 111 may increase the interval between pixels by reducing the number of pixels, etc., to transmit as much ambient light as possible. Since the interval between pixels in the first display region 111 is larger than the interval between pixels in the second display region 112, the first display region 111 and the second display region 112 have different display luminance and different attenuation degrees.
In one embodiment, the electronic device 10 further comprises:
the image capturing module 15 faces the back of the first display area 111, and is configured to capture ambient light through the first display area 111 and form an image.
The first display region 111 of the display screen 11 may be a cpu region, and the second display region 112 of the display screen 11 may be other normal display regions than the cpu region. Here, the other normal display region other than the CUP region may be referred to as a normal (normal) region.
The regional back of CUP of display screen 11 can set up image acquisition module 14 such as the camera that is used for making a video recording, and image acquisition module 14 can utilize the ambient light who pierces through the CUP region to form images. Therefore, it is desirable that the CUP region transmit as much light as possible. When the image capture module 14 captures ambient light, the display of the CUP region can be turned off to reduce the influence of self-luminescence of the CUP region on the ambient light.
The first light sensor 12 may sense the light intensity of the first display region 111; the light intensity of the first display region 111 may include a light intensity obtained by superimposing light emitted when the external ambient light is irradiated to the first light sensor 12 through the display panel 11 and light emitted when the first display region 111 displays an image.
The second light sensor 13 may sense the light intensity of the second display area 112. The light intensity of the second display region 112 may include a light intensity obtained by superimposing light emitted when the external ambient light is irradiated to the second light sensor 13 through the display panel 11 and light emitted when the second display region 112 displays an image.
The intensity of light sensed by the first light sensor 12 and the intensity of light sensed by the second light sensor 13 are different due to the difference in brightness between the first display region 111 and the second display region 112. The processing module 14 such as DDIC of the processor or the display screen 11 of the terminal can compensate the driving signal value of the first display area 111 and/or the second display area 112 according to the display brightness difference between the first display area 111 and the second display area 112, so as to reduce the display brightness difference between the first display area 111 and the second display area 112. So that the display luminance difference of the first display region 111 and the second display region 112 is within a preset luminance difference range. For example, the display luminance difference of the first display region 111 and the second display region 112 may be made less recognizable by human eyes by reducing the display luminance difference of the first display region 111 and the second display region 112.
In one embodiment, the drive signal values comprise: the pixel current value.
The pixel current value may be a current value for driving each pixel, and each pixel of the OLED display panel may include a plurality of OLEDs, and the luminance of each pixel varies according to the current.
The light intensity sensed by the first light sensor 12 and the light intensity sensed by the second light sensor 13 can be respectively sent to a processor of the terminal or a processing module 14 such as a DDIC of the display screen 11 through data connection. The DDIC of the processor or display screen 11 of the terminal may determine the display brightness difference of the first display region 111 and the second display region 112 according to the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13. Thereby adjusting the value of the driving signal in the first display region 111 and/or. Here, the first display region 111 may be a CUP region.
For example, the DDIC of the processor or display 11 of the terminal may determine that the light intensity of the CUP region is lower than the light intensity of the non-CUP region according to the light intensity sensed by the first light sensor 12 and the light intensity sensed by the second light sensor 13, and the DDIC of the processor or display 11 may increase the driving signal value of the CUP region to increase the display brightness of the CUP region, so that the display brightness difference between the CUP region and the ficu region is within the preset brightness difference range.
In this way, based on the display brightness difference between the first display area 111 and the second display area 112 sensed by the first light sensor 12 and the second light sensor 13, the driving signal value of the first display area 111 and/or the second display area 112 is determined, so as to reduce the display brightness difference between the first display area 111 and the second display area 112. The real-time display brightness difference is used as the basis for adjusting the brightness, so that the accuracy and the real-time performance of the adjustment of the display brightness can be improved, the consistency of the display brightness of different display areas of the display screen 11 is improved, and the display effect is improved. On the other hand, since the display brightness difference between the first display area 111 and the second display area 112, which is sensed by the first light sensor 12 and the second light sensor 13 respectively, is an actual display brightness difference, and the display brightness difference is not adjusted based on the statistical lighting time of the display screen 11 and by a mechanical table look-up method, the display brightness consistency is improved, and meanwhile, the aging of the first display area 111 accelerated by the improvement of the unnecessary driving signal value of the first display area 111 is reduced, and the aging phenomenon of the first display area 111 is delayed.
In one embodiment, the adjusting the driving signal value of the display screen 11 to at least one of the first display region 111 and the second display region 112 based on the display brightness difference includes one of:
in response to the display luminance of the first display area 111 being lower than the display luminance of the second display area 112, the value of the driving signal of the display screen 11 to the first display area 111 is increased,
in response to the display brightness of the first display area 111 being lower than the display brightness of the second display area 112, the driving signal value of the display screen 11 to the second display area 112 is reduced.
Here, if the display luminance of the first display region 111 is lower than the display luminance of the second display region 112, the value of the driving signal of the display screen 11 to the first display region 111 may be increased, so as to increase the display luminance of the first display region 111; the driving signal value of the display panel 11 to the first display area 111 may be decreased, and the display brightness of the second display area 112 may be decreased. The drive signal value may be a drive current value for each pixel.
In one embodiment, the determining the display brightness difference of the first display area 111 and the second display area 112 according to the sensing data of the first light sensor 12 and the second light sensor 13 includes:
and determining a display brightness difference between the first display area 111 and the second display area 112 according to the sensing data of the first light sensor 12 and the second light sensor 13 when the first display area 111 and the second display area 112 display the same content.
In order to reduce the influence on the intensity of the light sensed by the first light sensor 12 and the intensity of the light sensed by the second light sensor 13 due to the difference between the images of the sensing area of the first light sensor 12 and the sensing area of the second light sensor 13, the difference between the display brightness may be determined when the first display area 111 and the second display area 112 display the same content.
Therefore, the difference of the display images in the sensing area can be reduced, the influence on the intensity of the sensing light of the first light sensor 12 and the intensity of the sensing light of the second light sensor 13 can be reduced, and the accuracy of determining the difference of the brightness of the first display area 111 and the second display area 112 can be improved. Thereby improving the precision of the display brightness compensation.
The following provides 1 specific example in conjunction with any of the embodiments described above:
this technical scheme plans to utilize under the screen light sensor (light sensor), places a light sensor (light sensor) respectively in display screen CUP region and Normal region promptly, collects ambient light and display screen light through light sensor to compare two light sensor's data, come the compensation value of real-time calibration CUP and Normal regional pixel current, specifically as follows:
as shown in fig. 2, the light sensors 1 and 13 are arranged in the Normal region (111) of the OLED display screen, and the light sensors 2 and 12 are arranged in the CUP region (112), and the two light sensors are as close as possible, so that the collected light data are as consistent as possible.
The algorithm for collecting light by the light sensor is as follows: the actually collected light is the light emitted by the display screen superimposed by the ambient light. The mobile phone main chip (AP) may control that, when the areas displayed by the screens corresponding to the two under-screen optical sensors display the same content (for example, both display white), optical compensation calibration of the CUP area and the Normal area is performed once, that is, when the same ambient light is provided, on the one hand, the same light is provided by the screens due to the same content, and on the other hand, the same light is provided by the screens, and if the actual collected light of the CUP area and the Normal area is different at this time, it is indicated that the brightness of the pixels of the two area screens is different.
The calibration is carried out every time when the areas displayed by the screens corresponding to the light sensors under the two screens display the same content, so that the brightness compensation can be carried out on the CUP area and the Normal area of the display screen in real time.
Fig. 4 illustrates a block diagram of a display device 800 according to an exemplary embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 4, the apparatus 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communications component 816.
The processing component 802 generally controls overall operation of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operation at the device 800. Examples of such data include instructions for any application or method operating on device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 808 includes a screen that provides an output interface between the device 800 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 800 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for the device 800. For example, the sensor assembly 814 may detect the open/closed state of the device 800, the relative positioning of the components, such as a display and keypad of the apparatus 800, the sensor assembly 814 may also detect a change in position of the apparatus 800 or a component of the apparatus 800, the presence or absence of user contact with the apparatus 800, orientation or acceleration/deceleration of the apparatus 800, and a change in temperature of the apparatus 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communications between the apparatus 800 and other devices in a wired or wireless manner. The device 800 may access a wireless network based on a communication standard, such as Wi-Fi, 2G, or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the device 800 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer readable storage medium, wherein instructions, when executed by a processor of a terminal, enable the terminal to perform the steps of one of the above-described display methods.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. An electronic device, characterized in that the electronic device comprises:
the display screen is provided with a first display area and a second display area, wherein the interval between pixels in the first display area is larger than the interval between pixels in the second display area;
the first light sensor is positioned on the back of the first display area;
the second light sensor is positioned on the back of the second display area;
the processing module is respectively connected with the display screen, the first light sensor and the second light sensor and used for adjusting the driving signal value of the display screen to at least one of the first display area and the second display area according to the display brightness difference of the first display area and the second display area determined by the sensing data of the first light sensor and the second light sensor; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range.
2. The electronic device of claim 1,
the first light sensor and the second light sensor are adjacently arranged.
3. The electronic device of claim 1,
the first light sensor and the second light sensor are respectively positioned on two sides of a boundary line between the first display area and the second display area.
4. The electronic device of claim 1,
the processing module is specifically used for: and in response to the display brightness of the first display area being lower than that of the second display area, increasing the value of the driving signal of the display screen to the first display area, and/or in response to the display brightness of the first display area being lower than that of the second display area, decreasing the value of the driving signal of the display screen to the second display area.
5. The electronic device of any of claims 1-4, wherein a spacing between pixels in the first display region is greater than a spacing between pixels in the second display region, comprising:
the pixel density of the first display area is less than that of the second display area;
the pixel density of the first display area is the same as that of the second display area, and the pixel size of the first display area is smaller than that of the second display area.
6. The electronic device of any of claims 1-4, further comprising:
the image acquisition module faces the back of the first display area and is used for acquiring ambient light and forming an image through the first display area.
7. A display method applied to the electronic device according to any one of claims 1 to 5, the method comprising:
determining the display brightness difference between a first display area and a second display area according to the sensing data of the first light sensor and the second light sensor;
adjusting a driving signal value of the display screen to at least one of the first display area and the second display area based on the display brightness difference; and the display brightness difference of the first display area and the second display area after the drive signal value is adjusted is within a preset brightness difference range.
8. The method of claim 7, wherein the adjusting the driving signal value of the display screen for at least one of the first display region and the second display region based on the display brightness difference comprises one of:
in response to the display brightness of the first display area being lower than the display brightness of the second display area, increasing the value of the driving signal of the display screen to the first display area,
and in response to the display brightness of the first display area being lower than that of the second display area, reducing the driving signal value of the display screen to the second display area.
9. The method of claim 7, wherein determining the display brightness difference between the first display area and the second display area according to the sensing data of the first light sensor and the second light sensor comprises:
and determining the display brightness difference between the first display area and the second display area according to the sensing data of the first light sensor and the second light sensor when the first display area and the second display area display the same content.
10. The method of any of claims 7 to 9, wherein the driving signal values comprise: the pixel current value.
11. An electronic device, comprising: processor, transceiver, memory and executable program stored on the memory and executable by the processor, characterized in that the processor executes the executable program to perform the steps of the display method according to any of claims 7 to 10.
12. A storage medium on which an executable program is stored, the executable program, when executed by a processor, implementing the steps of the display method according to any one of claims 7 to 10.
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