CN114038376A - Display panel driving method and display device - Google Patents
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- CN114038376A CN114038376A CN202111409495.XA CN202111409495A CN114038376A CN 114038376 A CN114038376 A CN 114038376A CN 202111409495 A CN202111409495 A CN 202111409495A CN 114038376 A CN114038376 A CN 114038376A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
Abstract
The embodiment of the invention provides a display panel driving method and a display device. When the display panel is driven, when the display panel is in a display stage, the pixel units in each row in the display panel are sequentially driven to display, when the display panel is in a shooting stage, firstly, the pixel units in the shooting area are stopped from being scanned in a display mode, an optical signal acquisition module in the shooting area is started to acquire signals of optics, and after the acquisition is completed, the display scanning is performed on the pixel units corresponding to the shooting area, so that the shooting area can also perform normal display, a large display difference between the display effect of the shooting area of the display panel and the display effect of the display area is avoided, and the display effect of the display panel is improved.
Description
Technical Field
The invention relates to the technical field of driving display of a display panel, in particular to a driving method of the display panel and a display device.
Background
With the continuous improvement of display panel preparation technology and panel preparation process, people have higher and higher requirements on the performance and quality of prepared display panels and display devices.
In recent years, various functions of display devices are increasing, and for display devices such as an off-screen camera mobile phone product, it is necessary to not only make an off-screen camera mobile phone have a better display function, but also ensure that when the camera is used for taking a picture, the camera area can also display the picture, thereby realizing the effect of a full-screen display panel in a real sense. However, in the display device such as the off-screen camera prepared and formed in the prior art, when the display panel is driven to display and other functions, for example, when the display device uses the functions such as shooting or photographing, the display effect at the camera area is different from the display effect at the display area, the color difference between the camera area and the display area is generally black area, and the consistency of the display effect of the full-screen display panel under different functions cannot be realized, so that the use experience of a user is influenced, and the display effect and performance of the display panel are reduced.
In summary, the conventional manufacturing technology prepares and forms the full-screen display panel, a large color difference exists between the image pickup area and the display area in the display stage and the photographing stage of the panel, and the difference of the display effect between two different areas is large, which is not favorable for improving the comprehensive performance of the full-screen display panel.
Disclosure of Invention
The embodiment of the invention provides a driving method and a display device of a display panel, which are used for effectively improving the driving method of a prepared and formed full-screen display panel, so that the chromatic aberration between a corresponding display area and a corresponding shooting area of the display panel in a display stage and a shooting stage is smaller, the display area and the shooting area can achieve better consistency, and the comprehensive performance of the full-screen display panel is effectively improved.
In order to solve the above technical problem, the technical method provided by the embodiment of the present invention is as follows:
in a first aspect of the embodiments of the present invention, a driving method for a display panel is provided, which is applied to a display panel with an image pickup function, the display panel includes a display area and an image pickup area disposed on one side of the display area, the display panel further includes a plurality of display driving signal lines, the display driving signal lines are correspondingly connected to pixel units in each row, and the driving method includes the following steps:
sequentially providing display driving signals to the corresponding display driving signal lines in each row in a display period of the display panel;
and in the shooting time period of the display panel, the display scanning of the display driving signal lines corresponding to the shooting area is closed, the optical signal acquisition module in the shooting area is started, the optical signal acquisition is executed, and after the optical signal acquisition is finished, the display driving signal is provided for the display driving signal lines corresponding to the shooting area.
According to an embodiment of the present invention, the display panel includes m rows of pixel units, wherein the imaging region is disposed at a corresponding position from an i-th row to a j-th row, where m, i, and j are positive integers, and the display panel includes, during a shooting period:
in the shooting time interval corresponding to each frame time, closing the display scanning of the display driving signal lines corresponding to the pixel units in the ith to jth rows;
starting the optical signal acquisition module and acquiring an optical signal;
and performing display scanning on the display drive signal lines corresponding to the pixel cells in the ith to jth rows to display a screen in the imaging region.
According to an embodiment of the present invention, in a process of starting the optical signal collection module and collecting an optical signal, a scanning frequency of the optical signal collection is the same as a scanning frequency of a display driving signal of the display panel.
According to an embodiment of the present invention, the step of turning off the display scanning of the display driving signal lines corresponding to the pixel cells in the ith to jth rows further includes:
and closing the display scanning of the corresponding pixel units in the 1 st to ith rows.
According to an embodiment of the present invention, in one frame display screen, the display period and the photographing period are alternately and continuously set in sequence.
According to an embodiment of the present invention, the one-frame display image includes a plurality of sub-periods, and the display period corresponding to each sub-period is the same as the shooting period.
According to an embodiment of the present invention, the step of displaying the display period of the display panel includes:
and sequentially loading scanning signals to the pixel units of each row through the scanning signal lines corresponding to the pixel units so as to sequentially start the pixel units of each row and execute display operation.
According to an embodiment of the present invention, a time interval corresponding to the display period is greater than a time interval corresponding to the photographing period.
According to an embodiment of the present invention, the display driving signal line includes a data signal line and a scanning signal line, and the optical signal collection module and the pixel unit share the data signal line and the scanning signal line.
According to a second aspect of the embodiments of the present invention, there is also provided a display device, including a display panel, the display panel including a display area and an image pickup area disposed on one side of the display area, the display panel further including a plurality of display driving signal lines, the display driving signal lines being correspondingly connected to pixel units in each row;
when the display panel is in the display period and the shooting period, the driving method provided by the embodiment of the invention is adopted to drive the display panel.
In summary, the embodiments of the present invention have the following beneficial effects:
the embodiment of the invention provides a display panel driving method and a display device. In the embodiment of the invention, when the full-screen display panel is driven, when the display panel is in a display stage, the display driving is sequentially carried out on the pixel units in each row in the display panel, when the display panel is in a shooting stage, the display scanning of the pixel units at the shooting area is firstly stopped, the optical signal acquisition module at the shooting area is started to acquire optical signals, and after the acquisition is finished, the display scanning is carried out on the pixel units corresponding to the shooting area, so that the normal display of the display panel at the shooting area can be ensured, the large display difference between the display effect at the shooting area of the full-screen display panel and the display effect at the display area is further avoided, and the display effect of the full-screen display panel in different functions is effectively improved.
Drawings
The technical solution and other advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic diagram illustrating a display effect of a full-screen display panel provided in the prior art when displaying a picture;
fig. 2 is a schematic structural diagram of a full-screen display panel according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a driving method of a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a mode corresponding to a frame of a display screen according to an embodiment of the present invention;
fig. 5 is a timing diagram of the display panel provided in the embodiment of the present invention during a display period;
FIG. 6 is a timing diagram illustrating operation of a display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
With the continuous development of display panel preparation technology, people put forward higher requirements on the display effect and the quality of the full-screen display panel, and the full-screen display panel is expected to have better consistency of display pictures when the display pictures are displayed, and meanwhile, the full-screen display panel is expected to have better display effect under different functions.
As shown in fig. 1, fig. 1 is a schematic diagram of a display effect of a full-screen display panel provided in the prior art when displaying a picture. The full-screen display panel 100 visually achieves the effect of full-screen display by directly arranging the camera and other camera devices below the display screen, i.e., at the position of the camera area 101 of the full-screen display panel 100. However, since the camera is disposed in the image capturing area 101, when the image capturing function is performed in this area, as shown in fig. 1a, a captured picture is formed in the display area 102, and the picture in the image capturing area 101 is dark and even appears black, so that the full-screen display panel 100 has a large color difference between different areas, and the consistency of the display effect between the image capturing area 101 and the display area 102 cannot be effectively ensured. The display effect shown in fig. 1b cannot be achieved, and thus the performance of the full-screen display panel and the user experience are reduced.
Therefore, embodiments of the present invention provide a driving method for a display panel, so as to effectively solve the problem that when a full-screen display panel implements different functions, chromatic aberration between different regions is severe, and a display screen cannot be effectively displayed in a camera region. Thereby effectively improving the display effect of the full-screen display panel.
Specifically, as shown in fig. 2, fig. 2 is a schematic structural diagram of a full-screen display panel according to an embodiment of the present invention. The display panel 100 provided in the embodiment of the present invention is illustrated by taking a full-screen display panel as an example. When arranged, a plurality of pixel units 202 are disposed on the substrate of the display panel 100, and the plurality of pixel units 202 may be arranged in the display panel 100 in an array, such as a row and column array, in the display area 102 of the display panel 100. Thereby forming the entire light emitting display area.
Correspondingly, a plurality of display driving signal lines 201 are further disposed in the display panel 100, the plurality of display driving signal lines 201 are correspondingly disposed above each row of pixel units 202, and the pixel units 202 in the same row are electrically connected to the display driving signal lines 201 above the corresponding row, so that a driving signal is provided to each pixel unit 202 through the display driving signal lines 201.
Meanwhile, in the embodiment of the present invention, an image pickup region 101 is further provided on the display panel 100, and the image pickup region 101 may be provided on one side of the display region 102, or the display region 102 may be provided around the image pickup region 101. In the embodiment of the present invention, the display area 102 is set around the image capturing area 101, and meanwhile, when the image capturing area 101 is set, the image capturing area 101 may be set to be a circular area or a regular or irregular shape such as a rectangle, and the image capturing function of the full-screen display panel is further realized through the image capturing area 101.
Further, in the full-screen display panel provided in the embodiment of the present invention, the full-screen display panel further includes a data signal line and a common electrode, the data signal line is connected to the pixel unit 202 corresponding to the common electrode, the data signal line provides a data control signal to the pixel unit 202 through the data signal line, and the common electrode provides a driving voltage and the like to the pixel unit 202.
Preferably, in the embodiment of the present invention, in the image capturing area 101, an optical signal collecting module 203 is further disposed, and the optical signal collecting module 203 may be disposed at the periphery of the pixel unit 202 and shares a display driving signal line with the corresponding pixel unit 202, so as to implement turning on and off of the optical signal collecting module.
Further, an embodiment of the present invention provides a driving method of a display panel, as shown in fig. 3, and fig. 3 is a schematic flow chart of the driving method of the display panel provided in the embodiment of the present invention. The driving method of the display panel comprises the following steps:
s100: sequentially providing display driving signals to the corresponding display driving signal lines in each row in a display period of the display panel;
s101: in the shooting time period of the display panel, closing the display scanning of the corresponding display driving signal line in the shooting area, opening an optical signal acquisition module in the shooting area, and executing optical signal acquisition;
and after the acquisition is finished, providing a display driving signal for the corresponding display driving signal line in the camera shooting area.
Specifically, the display panel provided in the embodiment of the present invention is illustrated by taking a full-screen mobile phone as an example. When the full-screen mobile phone performs normal display, a display driving signal is provided for the pixel units in the display panel. The drive control circuit of the display panel supplies a display drive signal to the pixel units 202 in the corresponding row through the display drive signal line 201 in each row. When the control signal is provided, scanning may be performed from the first row of pixel units 202 of the display panel, and then other rows are sequentially scanned and completed until scanning and control of all the pixel units 202 on the display panel are completed.
Display driving scanning signals are provided to all the pixel units 202 through the display driving signal lines to sequentially turn on the pixel units in each row to emit light, and the normal display function of the full-screen mobile phone is completed. At the moment, the full-screen mobile phone can completely display the picture to be displayed. After the picture is displayed, the full-screen mobile phone needs to be converted into a photographing mode, and the driving mode of the full-screen mobile phone needs to be changed along with the function change of the full-screen mobile phone so as to ensure the display effect of the full-screen mobile phone.
Specifically, in the embodiment of the present invention, when the full-screen mobile phone is switched to the shooting mode, in a time period corresponding to the shooting mode, the supply of the display driving signal to each row of the pixel units in the display panel is first stopped, and the display function of the image pickup area 101 of the display panel is then turned off. At this time, the optical signal acquisition module 203 is turned on, so that the optical signal acquisition module 203 starts to operate.
Specifically, in the embodiment of the present invention, the optical signal collection module 203 is disposed at a position corresponding to the image capturing region 101 of the full-screen display panel, and the pixel units 202 in the same row corresponding to the optical signal collection module 203 share the same display driving signal line 201. Specifically, the display driving signal line 201 may include a data signal line and a scanning signal line, and the pixel unit 202 and the optical signal collection module 203 may share the data signal line and the scanning signal line. When the full-screen mobile phone is switched to the photographing mode, the control signal is provided to the optical signal acquisition module 203 through the display driving signal line 201.
In the embodiment of the present invention, the optical signal collection module 203 may be a photosensitive semiconductor device such as a photosensitive sensor or a photodiode, and collects an external optical signal or an optical signal inside the entire screen through the optical signal collection module 203, at this time, in the optical signal collection process, in order to ensure that the display effect in the image pickup region 101 is the same as that in the display region 102, the scanning frequency during optical signal collection is the same as the scanning frequency of the display driving signal during display driving of the display panel, thereby effectively preventing interference between external signals.
After the optical signal collection is completed, a scanning driving signal is provided to the pixel units in the image pickup area 101, and the image pickup area 101 starts to display the image, so that the consistency of the image displayed by the image pickup area 101 and the image displayed by the display area 102 is effectively ensured.
Specifically, as shown in fig. 4, fig. 4 is a schematic diagram of a mode corresponding to one frame of display screen according to an embodiment of the present invention. On the screen of the full-screen mobile phone, pixel unit structures arranged in a row and column array of m x n are correspondingly arranged, and a camera area 101 is also arranged on the screen. In the embodiment of the present invention, the image capturing region 101 is defined to be disposed at a position corresponding to the ith to jth rows of the array pixel unit, where m, n, i, and j are integers greater than zero.
The display driving signal needs to be sequentially scanned from the first row pixel unit to the nth row pixel unit for each frame of display picture, and therefore, in each frame of display picture, a plurality of sub-periods T are included, and a corresponding display period 400 and a corresponding shooting period 401 are included in each sub-period T. In which the display period 400 and the photographing period 401 are alternately and continuously provided in sequence. In the embodiment of the invention, in each sub-period, the corresponding times of the display time period and the shooting time period are the same. When in the display period 400, the display panel displays normally, when in the photographing period 401, the display panel enters the photographing mode, and a time interval corresponding to the display period of the display panel may be greater than a time interval corresponding to the photographing period.
Specifically, when the display panel is in the display mode, the display scanning is sequentially performed on the pixel units corresponding to the 1 st row to the nth row, so as to realize the normal display of the display panel;
when the display panel enters a shooting mode, in the embodiment of the invention, scanning processing is performed on corresponding pixel units in a shooting area step by step: the method comprises the following steps of firstly closing the display of the corresponding pixel unit in the shooting area, carrying out optical signal acquisition, and finally restoring the display of the shooting area.
Specifically, in the shooting time period corresponding to each frame, the display scanning of the display driving signal lines corresponding to the pixel units in the ith to jth rows is turned off, the optical signal acquisition module in the shooting area is turned on, the optical signals are acquired through the optical signal acquisition module, and after the acquisition is completed, the display driving signal lines corresponding to the pixel units in the ith to jth rows are subjected to display scanning, and the pixel units in other corresponding rows are subjected to scanning, so that the shooting area is subjected to picture display. In the embodiment of the present invention, when performing display scanning on the display drive signal lines corresponding to the pixel cells in the ith to jth rows, the display scanning of the corresponding pixel cells in the 1 st to ith rows may be turned off. The display picture of the camera shooting area is compensated through the optical signal collected by the optical signal collecting module, and then the consistency of the display effect of different areas is ensured.
In the embodiment of the present invention, the pixel units in the 1980 × 1080 array are exemplified in the full-screen display panel. At each scan, a total of 1980 lines were scanned. In the whole scanning process, the embodiment of the invention can perform scanning in multiple stages, namely, 10 display pauses are set: the scanning process is stopped once after 192 lines are scanned, namely the whole scanning process is divided into 10 display periods and 10 shooting periods, specifically, the 1 st line to the 192 th line are scanned correspondingly when the scanning process is stopped in the first display, the 193 th line to the 384 th line are scanned correspondingly when the scanning process is stopped in the second display, until the 1728 th line to the 1920 th line are scanned correspondingly when the scanning process is stopped in the last display, and finally the scanning of the whole display panel is finished.
Meanwhile, assuming that the line 100 to the line 120 in which the imaging region is located, based on the above, in the scanning process of one frame of the display screen: as shown in fig. 5, fig. 5 is a timing diagram of the display panel provided in the embodiment of the present invention corresponding to the display period. In the first display period, the 1 st to 192 th rows are scanned and lighted, after the scanning and lighting are finished, the display driving is stopped and the shooting period of the display panel is entered, and in the shooting period, the display scanning of the corresponding pixel units in the 100 th to 120 th rows corresponding to the shooting area is firstly closed, and at the moment, the shooting area is changed into a transparent or semitransparent state. Then, a driving circuit in the display panel provides a driving control signal, and the optical signal acquisition module arranged in the image pickup area is turned on, so that the optical signal acquisition module starts to work and acquires an external optical signal or an optical signal inside the display panel, such as the intensity of external light and the corresponding light intensity in the display area of the display panel. In the embodiment of the invention, in order to prevent the interference problem among different signals in the panel, when the optical signal acquisition module acquires the optical signal, the scanning frequency during optical signal acquisition is ensured to be the same as the scanning frequency during display driving of the display panel, thereby ensuring the display effect of the panel.
After the optical signal acquisition is finished, the optical signal module acquires the acquired optical signal, then the display driving scanning is carried out on the shooting areas corresponding to the 100 th to 120 th lines again, and the previous display picture is recovered. Thus, a display effect corresponding to the display area is formed in the image pickup area. At this time, the first display period and the photographing period in the one frame are completed. A second display period is then entered: and scanning and lighting pixel units corresponding to 193 th to 384 th rows, then entering a shooting time interval again, closing display scanning of 100 th to 120 th rows in the shooting time interval, performing signal acquisition again, and recovering display driving of corresponding area rows of 100 th to 120 th shooting areas after acquisition is completed. By analogy, the timing control details are shown in fig. 5. Because the camera control unit needs to be matched with the display driving control unit in time sequence in the shooting period, time sequence association is needed, and the consistency of the time sequences in different periods is ensured.
Specifically, fig. 6 is a timing chart corresponding to the operation of the display panel according to the embodiment of the present invention. When the display panel normally displays, the display driving signal lines scan the pixel units in each row. In one frame of the display screen, the corresponding pixel cells are caused to emit light and displayed by scanning from the m-th to the m-th lines (1 to 192), and the pixel cells in the 1 st to 100 th lines are subjected to display scanning in the period T1, and the timing charts of the corresponding scanning signal lines Scan and emission control signal lines EM are shown in the figure. In a period T2, display scanning is performed on the pixel cells in the 101 th to 120 th rows in the image pickup area, in a period T3, display scanning is performed on the pixel cells in the 121 th to 192 th rows, and the first display suspension is completed. And scanning the pixel units corresponding to the rest columns in the sequence, and realizing the display of the picture.
As shown in fig. 6, the embodiment of the present invention is described with a timing sequence corresponding to the first display pause process. Because the image pickup area is arranged in the corresponding area of the (m) -100-120 th row, when the display panel is switched to the shooting mode, the display scanning of the (100) -120 th row is firstly closed, namely the image pickup area corresponds to the section A1 in the timing diagram, at this time, the image pickup area becomes a transparent or semitransparent state, and then the image pickup area enters the section A2, and the optical signal acquisition module in the display panel is opened for signal acquisition. And after the signal acquisition is finished, the signal acquisition enters the section A3, and then display scanning is provided for the pixel units in the 100 th to 120 th rows, so that display driving is carried out and the previous display picture is restored. And then, sequentially entering a next frame display picture, scanning the 193 rd and later pixel units, and driving the display panel according to the driving method.
In the embodiment of the present invention, as shown in fig. 7, fig. 7 is a schematic structural diagram of a display device according to the embodiment of the present invention. The display device includes the display panel provided in the embodiment of the present invention, wherein the display panel 700 includes a display area 102 and an image capturing area 101, the display area 102 may be disposed around the image capturing area 101, and a plurality of image capturing areas 101 may be disposed. When the display panel enters the shooting mode, the driving method provided by the embodiment of the invention is used for driving, so that the camera area 101 of the display panel can still display a display picture when the display panel is in the shooting mode, the problem that the display effect of the display panel is different in different working modes is effectively solved, and the purposes of improving the performance and the display effect of the display panel are achieved.
The foregoing describes in detail a driving method of a display panel and a display device provided in an embodiment of the present invention, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the foregoing embodiment is only used to help understanding the technical solution and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A driving method of a display panel is applied to the display panel with an image pick-up function, the display panel comprises a display area and an image pick-up area arranged on one side of the display area, the display panel also comprises a plurality of display driving signal lines, and the display driving signal lines are correspondingly connected with pixel units in each row, and the driving method is characterized by comprising the following steps:
sequentially providing display driving signals to the corresponding display driving signal lines in each row in a display period of the display panel;
and in the shooting time period of the display panel, the display scanning of the display driving signal lines corresponding to the shooting area is closed, the optical signal acquisition module in the shooting area is started, the optical signal acquisition is executed, and after the optical signal acquisition is finished, the display driving signal is provided for the display driving signal lines corresponding to the shooting area.
2. The method according to claim 1, wherein the display panel includes m rows of pixel cells, the image pickup region is arranged at a corresponding position from an i-th row to a j-th row, where m, i, and j are positive integers, and the display panel comprises, in a shooting period:
in the shooting time interval corresponding to each frame time, closing the display scanning of the display driving signal lines corresponding to the pixel units in the ith to jth rows;
starting the optical signal acquisition module and acquiring an optical signal;
and performing display scanning on the display drive signal lines corresponding to the pixel cells in the ith to jth rows so as to display a screen in the imaging region.
3. The method according to claim 2, wherein a scanning frequency of the optical signal collection is the same as a scanning frequency of the display driving signal of the display panel during the process of starting the optical signal collection module and collecting the optical signal.
4. The method according to claim 2, wherein the step of turning off the display scanning of the display drive signal lines corresponding to the pixel cells in the ith to jth rows further comprises:
and closing the display scanning of the corresponding pixel units in the 1 st to ith rows.
5. The method for driving a display panel according to claim 1, wherein the display period and the capturing period are alternately and continuously provided in sequence in one frame of a display screen.
6. The method according to claim 5, wherein the one-frame display screen includes a plurality of sub-periods, and the number of times of the display period and the capturing period in each sub-period is the same.
7. The method according to claim 5, wherein the step of displaying the display period of the display panel comprises:
and sequentially loading scanning signals to the pixel units of each row through the scanning signal lines corresponding to the pixel units so as to sequentially start the pixel units of each row and execute display operation.
8. The method according to claim 1, wherein a time interval corresponding to the display period is longer than a time interval corresponding to the photographing period.
9. The method of claim 1, wherein the display driving signal lines comprise data signal lines and scanning signal lines, and the optical signal collection module and the pixel units share the data signal lines and the scanning signal lines.
10. A display device comprises a display panel, wherein the display panel comprises a display area and an image pick-up area arranged on one side of the display area, and the display panel also comprises a plurality of display driving signal lines which are correspondingly connected with pixel units in each row;
wherein the display panel is driven by the driving method according to any one of claims 1 to 9 when the display panel is in the display period and the photographing period.
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327498A1 (en) * | 2011-06-21 | 2012-12-27 | Sony Corporation | Display and electronic unit |
| JP2018136491A (en) * | 2017-02-23 | 2018-08-30 | 株式会社半導体エネルギー研究所 | Image display system and electronic apparatus |
| CN108877654A (en) * | 2018-06-29 | 2018-11-23 | 联想(北京)有限公司 | Electronic equipment and information processing method |
| CN108881531A (en) * | 2018-06-04 | 2018-11-23 | Oppo广东移动通信有限公司 | Electronic device |
| CN109859720A (en) * | 2019-04-02 | 2019-06-07 | 京东方科技集团股份有限公司 | A kind of display panel and its driving method and production method and display device |
| CN110444570A (en) * | 2019-08-09 | 2019-11-12 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and electronic device |
| CN110620894A (en) * | 2019-08-29 | 2019-12-27 | 合肥维信诺科技有限公司 | Display panel, electronic device and control method thereof |
| CN111309135A (en) * | 2020-01-14 | 2020-06-19 | 昆山国显光电有限公司 | Photosensitive control method and photosensitive control device of display screen and display device |
| US20200213514A1 (en) * | 2018-12-26 | 2020-07-02 | Lg Display Co., Ltd. | Full-screen display device |
| CN111383597A (en) * | 2020-03-25 | 2020-07-07 | 武汉华星光电半导体显示技术有限公司 | Pixel circuit and full-screen display equipment |
| CN111540278A (en) * | 2020-05-13 | 2020-08-14 | 昆山国显光电有限公司 | Display panel, driving method and display device |
| CN111983843A (en) * | 2020-08-31 | 2020-11-24 | 武汉华星光电技术有限公司 | Display panel and electronic device |
| CN112017549A (en) * | 2020-08-26 | 2020-12-01 | 昆山国显光电有限公司 | Display device and control method thereof |
| US20210110783A1 (en) * | 2018-02-23 | 2021-04-15 | Semiconductor Energy Laboratory Co., Ltd. | Display Device and Operation Method Thereof |
| CN112837645A (en) * | 2021-01-22 | 2021-05-25 | 维沃移动通信有限公司 | Display panel and electronic device |
| CN113497887A (en) * | 2020-04-03 | 2021-10-12 | 中兴通讯股份有限公司 | Photographing method, electronic device and storage medium |
| US20210343222A1 (en) * | 2019-09-29 | 2021-11-04 | Wuhan Tianma Micro-Electronics Co., Ltd. | Method for driving a display panel, display driving device and electronic device |
-
2021
- 2021-11-25 CN CN202111409495.XA patent/CN114038376B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327498A1 (en) * | 2011-06-21 | 2012-12-27 | Sony Corporation | Display and electronic unit |
| JP2018136491A (en) * | 2017-02-23 | 2018-08-30 | 株式会社半導体エネルギー研究所 | Image display system and electronic apparatus |
| US20210110783A1 (en) * | 2018-02-23 | 2021-04-15 | Semiconductor Energy Laboratory Co., Ltd. | Display Device and Operation Method Thereof |
| CN108881531A (en) * | 2018-06-04 | 2018-11-23 | Oppo广东移动通信有限公司 | Electronic device |
| CN108877654A (en) * | 2018-06-29 | 2018-11-23 | 联想(北京)有限公司 | Electronic equipment and information processing method |
| US20200213514A1 (en) * | 2018-12-26 | 2020-07-02 | Lg Display Co., Ltd. | Full-screen display device |
| CN109859720A (en) * | 2019-04-02 | 2019-06-07 | 京东方科技集团股份有限公司 | A kind of display panel and its driving method and production method and display device |
| CN110444570A (en) * | 2019-08-09 | 2019-11-12 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and electronic device |
| CN110620894A (en) * | 2019-08-29 | 2019-12-27 | 合肥维信诺科技有限公司 | Display panel, electronic device and control method thereof |
| US20210343222A1 (en) * | 2019-09-29 | 2021-11-04 | Wuhan Tianma Micro-Electronics Co., Ltd. | Method for driving a display panel, display driving device and electronic device |
| CN111309135A (en) * | 2020-01-14 | 2020-06-19 | 昆山国显光电有限公司 | Photosensitive control method and photosensitive control device of display screen and display device |
| CN111383597A (en) * | 2020-03-25 | 2020-07-07 | 武汉华星光电半导体显示技术有限公司 | Pixel circuit and full-screen display equipment |
| CN113497887A (en) * | 2020-04-03 | 2021-10-12 | 中兴通讯股份有限公司 | Photographing method, electronic device and storage medium |
| CN111540278A (en) * | 2020-05-13 | 2020-08-14 | 昆山国显光电有限公司 | Display panel, driving method and display device |
| CN112017549A (en) * | 2020-08-26 | 2020-12-01 | 昆山国显光电有限公司 | Display device and control method thereof |
| CN111983843A (en) * | 2020-08-31 | 2020-11-24 | 武汉华星光电技术有限公司 | Display panel and electronic device |
| CN112837645A (en) * | 2021-01-22 | 2021-05-25 | 维沃移动通信有限公司 | Display panel and electronic device |
Non-Patent Citations (1)
| Title |
|---|
| 金成龙;李青;: "OLED显示技术概要及应用领域的发展趋势", 数字技术与应用, no. 08 * |
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