CN111506157A

CN111506157A - Display screen and electronic equipment

Info

Publication number: CN111506157A
Application number: CN201910100152.1A
Authority: CN
Inventors: 高静; 张林涛
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-08-07

Abstract

The present disclosure relates to a display screen and an electronic device. A display screen comprises a main display area, a transition display area and an auxiliary display area; the transition display area is positioned between the main display area and the auxiliary display area; the display screen also comprises a polaroid; the polaroid is arranged in the main display area and the transition display area and in a partial area adjacent to the main display area. The embodiment of the disclosure sets up the transition display area between main display area and vice display area, the polaroid can set up within main display area and part transition display area, the partial region's that is provided with the polaroid reflectivity in the transition display area can be less than the partial region that does not be provided with the polaroid like this, promptly, main display area, the region that is provided with the polaroid in the transition display area, the regional and vice display area's that do not be provided with the polaroid reflectivity increases in proper order in the transition display area, can guarantee that the display effect of screen tends to unanimously after turning off the screen, promote display effect and use and experience.

Description

Display screen and electronic equipment

Technical Field

The present disclosure relates to the field of display technologies, and in particular, to a display screen and an electronic device.

Background

At present, partial electronic equipment's display screen can be divided into main display area and vice display area, can place the camera in the below of vice display area, and the camera can be through vice regional collection image of display area like this, needs vice display area to have the display function and have higher luminousness under this scene.

In order to ensure the light transmittance of the auxiliary display area, the cathode and/or the anode of the pixel in the auxiliary display area need to be correspondingly improved, so that after the display screen is turned off, the reflectivity of the main display area is different from that of the auxiliary display area, so that the display effect of the main display area and the auxiliary display area has obvious 'jumping' feeling, and the viewing experience is influenced.

Disclosure of Invention

The present disclosure provides a display screen and an electronic device to solve the disadvantages of the related art.

According to a first aspect of the embodiments of the present disclosure, there is provided a display screen, the display screen comprising a main display area, a transition display area and an auxiliary display area; the transition display area is positioned between the main display area and the auxiliary display area; the display screen also comprises a polaroid; the polaroid is arranged in the main display area and the transition display area and in a partial area adjacent to the main display area.

Optionally, the area of the pixels in the secondary display region is larger than the area of the pixels in the primary display region; the area of the pixels in the transition display area is between the area of the pixels in the auxiliary display area and the area of the pixels in the main display area.

Optionally, the anode of the pixel in the main display area is made of indium tin oxide and silver.

Optionally, the anode of the pixel in the secondary display area is made of indium tin oxide.

Optionally, the anode of the pixel in the transition display area and the anode of the pixel in the secondary display area are made of the same material.

Optionally, the width of the transitional display area exceeds the maximum error variation of the polarizer; the maximum error variation is a difference between a positive value and a negative value of the error of the polarizer.

Optionally, in the screen-off state of the display screen, the reflectivity of the display area in the transition display area where the polarizer is not disposed is the same as the reflectivity of the sub-display area.

Optionally, in a screen-off state of the display screen, the reflectivity of a display area in the transition display area where the polarizer is not disposed is greater than the reflectivity of a display area where the polarizer is disposed.

According to a second aspect of the embodiments of the present disclosure, there is provided an electronic device including the display screen and the functional device as described in the first aspect; the functional device is arranged below the auxiliary display area in the display screen.

Optionally, the functional device comprises at least one of: camera, earphone, light sensor, distance sensor, biosensor, environmental sensor, food safety detection sensor, health sensor, optical emitter.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

known by the above embodiment, this disclosed embodiment is through setting up the transition display area between main display area and vice display area, the polaroid can set up within main display area and part transition display area, the partial region's that is provided with the polaroid reflectivity in the transition display area can be less than the partial region that does not be provided with the polaroid like this, promptly main display area, the region that is provided with the polaroid in the transition display area, the regional and vice display area's that do not be provided with the polaroid reflectivity increases in proper order in the transition display area, can guarantee that the display effect of display screen tends to unanimity after turning off the screen, promote display effect and use experience.

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 disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a front view of a display screen shown in accordance with an exemplary embodiment;

FIG. 2(a) is a schematic diagram illustrating pixel routing within a main display area according to an exemplary embodiment;

FIG. 2(b) is a schematic diagram illustrating pixel routing within a secondary display area according to an exemplary embodiment;

FIG. 3(a) is a schematic diagram of pixel routing within a main display area, shown in accordance with another exemplary embodiment;

FIG. 3(b) is a schematic diagram illustrating pixel routing within a secondary display area according to another exemplary embodiment;

FIG. 4(a) is a schematic diagram illustrating pixel routing within a main display area according to yet another exemplary embodiment;

FIG. 4(b) is a schematic diagram illustrating pixel wiring within a secondary display area according to yet another exemplary embodiment;

FIG. 5 is a front view of another display screen shown in accordance with an exemplary embodiment;

FIG. 6 is a front view of yet another display screen shown in accordance with an exemplary embodiment;

FIG. 7 is a front view of yet another display screen shown in accordance with an exemplary embodiment;

FIG. 8 is a block diagram illustrating an electronic device in accordance with an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure as recited in the claims below.

In order to solve the above problems, an embodiment of the present disclosure provides a display screen, and the inventive concept is that transition display areas are disposed in a main display area and an auxiliary display area, and then polarizers may be located in partial areas of the main display area and the transition display area, so that reflectivities of the main display area and the auxiliary display area may be buffered by the transition display areas, and an effect of sequentially increasing the reflectivities is achieved, thereby preventing a display "jump" phenomenon from occurring in the main display area and the auxiliary display area, and improving a display effect and viewing experience.

The disclosed embodiment provides a display screen, and fig. 1 is a schematic diagram of a display screen according to an exemplary embodiment. Referring to fig. 1, a display screen 10 includes a main display area 11 and a sub display area 12.

It should be noted that the display screen 10 includes two different types of display areas, namely, the main display area 11 and the sub display area 12, but the main display area 11 and the sub display area 12 are physically integrated, that is, the display screen 10 is an integrated structure, which is not divided into a plurality of independent components.

In the embodiment of the present disclosure, the main display area 11 and the sub display area 12 each have a display function. The number of the sub-display areas 12 may be one or plural. In fig. 1, the number of the sub display regions 12 is schematically illustrated as 1.

In an example, the camera 20 may be disposed below the sub-display area 12 for implementing a shooting function, and may be one or more of a general camera, an infrared camera, a depth camera, a structured light camera, and a TOF camera, so that the camera 20 occupying a display screen space may be disposed below the sub-display area 12, thereby maximally releasing a space of the display screen 10 and increasing a screen occupation ratio. If the display screen has a frame, only the frame brings certain reduction to the screen occupation ratio; if the display screen has no frame, the screen proportion can reach 100 percent, and the full screen in the true sense is realized.

In an example, the other device may include at least one of: an earpiece, a light sensor, a distance sensor, a biosensor, an environmental sensor, a food safety detection sensor, a health sensor, an optical emitter. The receiver is used for realizing a sound playing function. The light sensor is used for collecting the intensity of ambient light. The distance sensor is used for acquiring the distance of the front object. The biometric sensor is used for recognizing the biometric features of the user, such as a fingerprint recognition sensor, an iris recognition sensor, and the like. The environment sensor is used for collecting environment information, such as a temperature sensor, a humidity sensor, an air pressure sensor and the like. The food safety detection sensor is used for detecting indexes of harmful substances in food, such as an optical sensor, a biological recognition sensor and the like. The health sensor is used for collecting health information of a user, such as a sensor for collecting heart rate, blood pressure, heartbeat or other human body data of the user. An optical emitter is a functional device for emitting light, such as an infrared emitter or some emitter for emitting other light.

In the embodiment of the present disclosure, since the camera 20 requires light when operating, the light transmittance of the sub display area 12 is better than that of the main display area 11, for example, the light transmittance of the sub display area 12 is greater than that of the main display area 11. Optionally, the light transmittance of the sub-display area 12 is greater than 30% to meet the requirement of normal operation of the camera and other devices. In practical applications, a suitable material, a suitable process, or a suitable pixel distribution pattern may be selected according to the requirement of the device under the sub-display region for light transmittance, so as to produce the sub-display region 12 meeting the requirement of light transmittance.

In the embodiment of the present disclosure, in combination with the requirement of the camera 20 for light, the working state of the sub-display area 12 can be adjusted according to the working state of the camera 20. For example, when the camera 20 has the requirement of collecting images, the auxiliary display area 12 can be controlled to be in a closed state, so that light rays penetrate through the auxiliary display area to enter the camera 20, and the auxiliary display area 12 does not display, so that the interference to the light rays can be reduced, and the quality of collecting images by the camera 20 can be guaranteed. When the camera 20 does not need to collect images, the secondary display area 12 can be controlled to be in a display state, so that the display effect of the display screen is ensured.

In the disclosed embodiment, the display screen 10 is typically controlled by driver chips, at least one of which: the device comprises a line scanning driving chip, a data driving chip and a power supply chip. In one example, the main display area 11 and the sub display area 12 share the same driving chip, for example, one driving chip may be divided into two parts, one part for driving the main display area 11 and the other part for driving the sub display area 12. In another example, the main display area 11 and the sub display area 12 use different driving chips, for example, the display screen includes two driving chips, one driving chip is used for driving the main display area 11, and the other driving chip is used for driving the sub display area 12. In addition, when the display screen 10 includes a plurality of sub display regions 12, the plurality of sub display regions 12 may share the same driving chip, or different driving chips may be used, which is not limited in the present disclosure.

In order to ensure the display function of the auxiliary display area, more pixels need to be arranged in the auxiliary display area so as to ensure the display quality; in order to improve the light transmittance, the number of pixels needs to be reduced to reduce the light shielding. Thus, the display function in the sub display region and the light transmittance conflict with the requirements of the pixels.

In an embodiment of the disclosure, under the condition of ensuring the effective display area of the auxiliary display area, the density of the wiring in the auxiliary display area in the display screen is reduced, so that the density of the wiring in the auxiliary display area is lower than that of the wiring in the high display area, and thus the light transmittance of the auxiliary display area is better than that of the main display area.

In the embodiment of the present disclosure, the effect of reducing the wiring density in the sub-display area by adjusting the area of each pixel in the sub-display area 12 includes:

in one example, the width of the pixels in the sub display region 12 is adjusted such that the width of the pixels in the sub display region 12 is greater than the width of the pixels in the main display region 11. Fig. 2(a) is a schematic diagram illustrating pixel wiring in the main display area according to an exemplary embodiment, and fig. 2(b) is a schematic diagram illustrating pixel wiring in the sub display area according to an exemplary embodiment. Referring to fig. 2(a), the width a of each pixel in the sub display region in the present embodiment, referring to fig. 2(b), the width b of each pixel in the sub display region in the present embodiment, since the width b is greater than the width a, the number of pixels in the sub display region 12 can be reduced with the same width N. As is clear from a comparison between fig. 2(b) and fig. 2(a), when the number of pixels in the width direction is reduced, the data lines D1 to D8 corresponding to the pixels become the data lines D1 to D6, that is, the data lines within the width N are reduced, thereby reducing the density of the wirings in the sub-display area 12.

In another example, the height of the pixels in the sub display area 12 is adjusted such that the height of the pixels in the sub display area 12 is greater than the height of the pixels in the main display area 11. Fig. 3(a) is a schematic diagram illustrating pixel wiring in the main display area according to an exemplary embodiment, and fig. 3(b) is a schematic diagram illustrating pixel wiring in the sub display area according to an exemplary embodiment. Referring to fig. 3(a), the height c of each pixel in the sub display area in the present embodiment, referring to fig. 3(b), the height d of each pixel in the sub display area in the present embodiment, since the height d is greater than the height c, the number of pixels in the sub display area 12 can be reduced with the same height M. As is clear from a comparison between fig. 3(b) and fig. 3(a), when the number of pixels in the height direction is reduced, the scanning lines G1 to G8 corresponding to these pixels become the scanning lines G1 to G6, that is, the number of data lines in the height M is reduced, thereby reducing the density of the wirings in the sub-display area 12.

In yet another example, the width and height of the pixels in the sub display area 12 are adjusted such that the height of the pixels in the sub display area 12 is greater than the height of the pixels in the main display area 11 and the width of the pixels in the sub display area 12 is greater than the width of the pixels in the main display area 11. Fig. 4(a) is a schematic diagram illustrating pixel wiring in the main display area according to an exemplary embodiment, and fig. 4(b) is a schematic diagram illustrating pixel wiring in the sub display area according to an exemplary embodiment. Referring to fig. 4(a), the width a and the height c of each pixel in the sub display region in the present embodiment, referring to fig. 4(b), the width b and the height d of each pixel in the sub display region in the present embodiment, since the width b is greater than the width a and the height d is greater than the height c, the number of pixels in the sub display region 12 can be reduced in the same area MN. Comparing fig. 4(b) and fig. 4(a), it is understood that the scanning lines G1 to G8 corresponding to the pixels in the area MN are scanning lines G1 to G6, and the data lines D1 to D8 are data lines D1 to D6, thereby reducing the density of the wirings in the sub-display area 12.

In order to improve the light transmittance of the sub-display region, in the embodiment of the present disclosure, the anode of the pixel in the sub-display region 12 is made of indium oxide ITO, and the anode can be replaced by other materials under the condition that other transparent materials with better conductivity can be obtained. The anode of the pixel in the main display area 12 is made of indium tin oxide and silver, and the structure can be ITO/Ag/ITO. In one example, the anodes of the pixels in the transitional display region 13 and the anodes of the pixels in the secondary display region 12 are made of the same material, such as indium oxide ITO. In this embodiment, the anodes of the pixels in the sub-display region 12 and the transition display region 13 are made of the same material, so that the sub-display region 12 and the transition display region 13 have the same reflectivity, thereby facilitating subsequent adjustment.

The embodiment of the disclosure also provides a display screen, and fig. 5 is a schematic diagram of a display screen according to an exemplary embodiment. Referring to fig. 5, the display screen 10 includes a main display area 11, a transition display area 13, and a sub display area 12; and the density of the wiring in the transitional display area 13 is between the density of the wiring in the sub display area 12 and the main display area 11.

It should be noted that the display screen shown in fig. 5 has the same main display area 11 and sub-display area 12 as the display screen shown in fig. 1, and therefore, reference may be made to the contents of the embodiments shown in fig. 2(a) to fig. 2(b), fig. 3(a) to fig. 3(b), and fig. 4(a) to fig. 4(b) for the relevant contents of the main display area 11 and the sub-display area 12, which are not described herein again. The following embodiments describe only the differences between the display screen shown in fig. 5 and the display screen shown in fig. 1.

In practical applications, as the pixel area increases, the resolution of the sub-display area 12 decreases, so that the resolution jumps in the areas adjacent to the main display area 11 and the sub-display area 12, and the display effect is reduced. In order to ensure the display effect of the display screen, in an example, the area of the pixels in the transitional display area 13 is between the area of the pixels in the auxiliary display area 12 and the area of the pixels in the main display area 11, so that the resolution of the transitional display area 13 is between the main display area 11 and the auxiliary display area 12, the variation difference of the images in the main display area 11 and the auxiliary display area 12 is alleviated, and the display effect is favorably improved.

In another example, the number of the transition display regions 13 may be plural, such that the closer the transition display region 13 is to the sub display region 12, the larger the pixel area therein. Taking two transition display regions as an example, referring to fig. 6, the pixel area of the transition display region 131 is larger than the pixel area of the transition display region 132. Thus, the resolution of the transition display area 132 is between the main display area 11 and the transition display area 131, and the resolution of the transition display area 131 is between the transition display area 131 and the sub-display area 12, so that the image change in the plurality of stable transition areas is relatively slow, which is beneficial to improving the display effect.

Fig. 7 is a front view of a display screen according to an exemplary embodiment, and referring to fig. 7, a display screen 10 includes a main display area 11, a transition display area 13, and a sub display area 12. Wherein the transitional display area 13 is located between the main display area 11 and the sub display area 12. The display screen 10 further comprises a polarizer 14, wherein the polarizer 14 is arranged inside the display screen 10 and is therefore indicated with dashed lines. The polarizer 14 is disposed in the main display region 11 and in a partial region 131 adjacent to the main display region 11 in the transitional display region 13.

Because the reflectivity of the area covered by the polarizer 14 in the display screen is lower, and the reflectivity of the area not covered by the polarizer 14 is higher, the reflectivity of the partial area 131 in the transition display area 13, in which the polarizer 14 is disposed, is smaller than the reflectivity of the partial area 132 in which the polarizer 14 is not disposed, that is, the reflectivity of the main display area 11, the partial area 131 in the transition display area 13, the partial area 132 in the transition display area 13, in which the polarizer 14 is not disposed, and the reflectivity of the auxiliary display area 12 are sequentially increased, so that the reflectivity in the main display area 11 to the auxiliary display area 12 is slowly changed, the display effect of the display screen 10 after the screen is turned off tends to be consistent, and the display effect and the use experience are improved.

In order to ensure that the polarizer 14 is located in the transitional display region 13, the width of the transitional display region 13 is adjusted in one embodiment of the present disclosure. Considering that the polarizer has a cutting error E1 and a pasting error E2, when the cutting error E1 and the pasting error E2 are both negative values, the polarizer reaches a negative maximum value, namely the negative value of the error; when the cutting error E1 and the application error E2 are both positive values, the polarizer reaches a positive maximum, i.e., a positive value of error. Thus, the maximum error variation between cut error E1 and application error E2 is the difference between the positive and negative values of the error for polarizer 14, i.e., (+ E1+ E2) - (-E1-E2). Based on the above, in the present embodiment, the width of the transitional display region 13 needs to be larger than the maximum error variation of the polarizer. For example, if the maximum error variation of the polarizer is 0.3mm ═ 0.15- (-0.15) mm, the width of the transitional display region 13 needs to exceed 0.30mm, for example, 0.35 to 0.50 mm. In this embodiment, by adjusting the width of the transitional display area 13, the polarizer 14 may be located in the transitional display area 13 regardless of errors, so as to prevent the polarizer 14 from entering the sub-display area 12 or only the main display area 11.

FIG. 8 is a block diagram illustrating an electronic device in accordance with an example embodiment. For example, the electronic device 800 may be a smartphone, a computer, a digital broadcast terminal, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

Referring to fig. 8, electronic device 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, communication component 816, and image capture component 818.

The processing component 802 generally operates the entirety of the electronic 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. 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 operations at the electronic device 800. Examples of such data include instructions for any application or method operating on the electronic 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 power supply component 806 provides power to the various components of the electronic device 800. The power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the electronic device 800.

The multimedia component 808 includes a screen between the electronic device 800 and the target object that provides an output interface, which may be the display screen shown in FIGS. 1-7, and the specific contents may be as described in the embodiments of FIGS. 1-7. in some embodiments, the screen may include an O L ED display screen and a Touch Panel (TP). if the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the target object.

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 electronic device 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.

For example, the sensor assembly 814 may detect an open/closed state of the electronic device 800, the relative positioning of components, such as an O L ED display screen and keypad of the electronic device 800, the sensor assembly 814 may also detect a change in the position of the electronic device 800 or a component, the presence or absence of a target object in contact with the electronic device 800, the orientation or acceleration/deceleration of the electronic device 800, and a change in the temperature of the electronic device 800.

The communication component 816 is configured to facilitate wired or wireless communication between the electronic device 800 and other devices. The electronic device 800 may access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, or 5G, 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.

The image capturing component 818 may be a device with an image capturing function, such as a structured light camera (TOF), an infrared camera, a camera, or a charge coupled device, an image sensor.

In an exemplary embodiment, the electronic device 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 (P L D), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components.

In an exemplary embodiment, a non-transitory machine-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the electronic device 800 is also provided. For example, the non-transitory machine-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.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure 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 present disclosure is limited only by the appended claims.

Claims

1. A display screen is characterized by comprising a main display area, a transition display area and an auxiliary display area; the transition display area is positioned between the main display area and the auxiliary display area; the display screen also comprises a polaroid; the polaroid is arranged in the main display area and the transition display area and in a partial area adjacent to the main display area.

2. A display screen in accordance with claim 1, wherein the area of pixels in the secondary display region is greater than the area of pixels in the primary display region; the area of the pixels in the transition display area is between the area of the pixels in the auxiliary display area and the area of the pixels in the main display area.

3. The display screen of claim 1, wherein the anodes of the pixels in the main display area are made of indium tin oxide and silver.

4. A display screen according to claim 1, wherein the anodes of the pixels in the secondary display areas are formed from indium tin oxide.

5. A display screen according to claim 4, wherein the anodes of the pixels in the transitional display region and the anodes of the pixels in the secondary display region are made of the same material.

6. The display screen of claim 1, wherein the width of the transitional display area exceeds the maximum error variation of the polarizer; the maximum error variation is a difference between a positive value and a negative value of the error of the polarizer.

7. The display panel according to claim 1, wherein in the panel-off state, the reflectance of the display region in the transition display region where the polarizer is not disposed is the same as the reflectance of the sub-display region.

8. The display panel according to claim 1, wherein in the panel-off state, the reflectivity of the display area in the transitional display area where the polarizer is not disposed is greater than the reflectivity of the display area where the polarizer is disposed.

9. An electronic device, characterized in that the electronic device comprises a display screen and a functional device according to any one of claims 1 to 8; the functional device is arranged below the auxiliary display area in the display screen.

10. The electronic device of claim 9, wherein the functional device comprises at least one of: camera, earphone, light sensor, distance sensor, biosensor, environmental sensor, food safety detection sensor, health sensor, optical emitter.