CN113050314A - Display panel and driving method thereof - Google Patents
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- CN113050314A CN113050314A CN202110326470.7A CN202110326470A CN113050314A CN 113050314 A CN113050314 A CN 113050314A CN 202110326470 A CN202110326470 A CN 202110326470A CN 113050314 A CN113050314 A CN 113050314A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3607—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 by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention relates to a display panel and a driving method thereof.A white sub-pixel is added in a first pixel unit of an array substrate of a sensing display area, a white sub-color resistor is added in a first color resistor unit of a color film substrate of the sensing display area, and the light transmittance of the sensing display area is improved, the light intensity of a sensing device reaching the sensing display area is improved and the working performance of the sensing device is improved by utilizing the characteristic of full light transmittance of the white sub-color resistor.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a driving method thereof.
Background
Liquid Crystal displays (LCD for short) are widely known in English. The liquid crystal display uses liquid crystal material as basic component, and fills the liquid crystal material between two parallel plates, and changes the arrangement state of internal molecules of the liquid crystal material by voltage to achieve the purpose of shading and transmitting light, thereby displaying images with different depths and errors.
At present, liquid crystal displays are widely used in human life, such as display screens of mobile phones, computers, televisions, and the like. With the development of display technology and the need of people for the progress of display technology, the full-screen display with high screen ratio and the application terminal thereof are gradually developed. The screen occupation ratio is an important index of the mobile phone screen, and the improvement of the screen occupation ratio can bring excellent visual experience and interaction effect to people. Although sensing devices such as fingerprint identification and cameras are currently installed in structural parts such as AA holes and Notch, the screen occupation ratio is reduced or the integrity of the screen of a full-screen display is destroyed.
At present, a liquid crystal display needs to use a color filter layer, which seriously reduces the transmittance of light, for example, light reflected by a finger needs to pass through the color filter layer to reduce the brightness of light reaching a fingerprint sensor, so that the fingerprint identification speed is slow; for example, ambient light reaches the camera through the color filter layer, so that the photographing effect is reduced.
Therefore, a new display panel is required to solve the above problems.
Disclosure of Invention
The invention aims to provide a display panel and a driving method thereof, which can solve the problems of a color filter layer and the like in the existing display panel.
In order to solve the above problems, the present invention provides a display panel defined with a sensing display area and a regular display area surrounding the sensing display area; the display panel includes: the array substrate and the color film substrate are oppositely arranged; wherein, the array substrate includes: the first pixel unit arrays are arranged in the sensing display area, and each first pixel unit comprises at least one white sub-pixel; wherein, the various membrane base plate includes: the first color resistance unit array is arranged in the sensing display area and corresponds to the first pixel units, each first color resistance unit comprises at least one white sub-color resistance, and the white sub-color resistance has light transmission and corresponds to the white sub-pixels.
Further, the display panel further comprises: the sensing device is arranged between the array substrate and the color film substrate or arranged on one side of the array substrate, which is far away from the color film substrate, and is positioned in the sensing display area; the array substrate further includes: and the second pixel unit arrays are arranged in the conventional display area.
Further, the display panel further includes: the device comprises a control module, a first signal wire and a second signal wire; the first signal line is connected with the control module and the white sub-pixel in the first pixel unit; the second signal line is connected with the control module and other sub-pixels in the first pixel unit; the control module drives the first signal line and the second signal line; the first signal line and the second signal line are both data lines; or the first signal line and the second signal line are both gate lines.
Further, when the sensing device is in a dormant state, the first pixel unit of the sensing display area and the second pixel unit of the regular display area display images together.
Further, when the sensing device is in a working state, the first pixel unit of the sensing display area provides light for the sensing device.
Further, when the sensing device is in an operating state, the gray-scale value of the first pixel unit of the sensing display area is greater than or equal to the gray-scale value of the second pixel unit of the regular display area.
Further, the white sub-pixels of at least two first pixel units are adjacently arranged.
Further, the first pixel unit includes: a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, and 3 of the white sub-pixels; the 3 white sub-pixels are respectively and correspondingly arranged at the end part of the first red sub-pixel, the end part of the first green sub-pixel and the end part of the first blue sub-pixel.
In order to solve the above problem, the present invention provides a driving method of a display panel, which is applied to the display panel according to the present invention, and when the sensing device is in a sleep state, the driving method of the display panel includes the following steps: acquiring an image signal; dividing the image signal into a first signal and a second signal; transmitting the first signal to a first pixel unit of the sensing display area; or processing the first signal to obtain display voltage data and compensation voltage data, wherein the compensation voltage data is transmitted to the white sub-pixel of the first pixel unit through the first signal line, and the display voltage data is transmitted to other sub-pixels of the first pixel unit through the second signal line; transmitting the second signal to a second pixel unit of the normal display area; the normal display area and the sensing display area jointly display images.
Further, when the sensing device is in an operating state, the display panel driving method includes the steps of: acquiring a sensing signal; transmitting the sensing signal directly to the first pixel unit, wherein the first pixel unit provides light for the sensing device; or the sensing signal is converted and then transmitted to the first pixel unit, and the first pixel unit provides light for the sensing device; the sensing device completes the sensing function under the light.
The invention has the advantages that: the invention relates to a display panel and a driving method thereof.A white sub-pixel is added in a first pixel unit of an array substrate of a sensing display area, a white sub-color resistor is added in a first color resistor unit of a color film substrate of the sensing display area, and the light transmittance of the sensing display area is improved, the light intensity of a sensing device reaching the sensing display area is improved and the working performance of the sensing device is improved by utilizing the characteristic of full light transmittance of the white sub-color resistor. When the sensing device is in a dormant state, the sensing display area and the normal display area jointly display images. The brightness of the first pixel unit of the sensing display area is adjusted by adjusting the voltage of the first pixel unit of the sensing display area, and the display brightness uniformity of the conventional display area and the sensing display area is improved. When the sensing device is in a working state, the first pixel unit of the sensing display area provides light for the sensing device, so that an additional infrared light source is prevented from being adopted as the light source of the sensing device, and the production cost is saved. The gray-scale value of the first pixel unit of the sensing display area is larger than or equal to the gray-scale value of the second pixel unit of the conventional display area. Therefore, the light intensity of the sensing device reaching the sensing display area can be increased, and the working performance of the sensing device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic plan view of a display panel according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a display panel according to embodiment 1 of the present invention;
fig. 3 is a schematic plan view of an array substrate provided in embodiment 1 of the present invention;
fig. 4 is a step diagram of a driving method of the display panel according to embodiment 1 when the sensing device is in sleep mode;
fig. 5 is a step diagram of a driving method for operating a sensor device in a display panel according to embodiment 1 of the present invention;
fig. 6 is a schematic plan view of an array substrate provided in embodiment 2 of the present invention;
fig. 7 is a schematic plan view of an array substrate provided in embodiment 3 of the present invention.
Fig. 8 is a schematic structural diagram of a display panel according to embodiment 4 of the present invention.
Description of reference numerals:
100. display panel 101 and sensing display area
102. Regular display area 103 and control module
1. Array substrate 2 and color film substrate
3. Liquid crystal layer 4 and backlight module
5. Lower polarizer 6 and upper polarizer
7. Sensor device 8, first signal line
9. Second signal line
11. First substrate 12, array layer
13. First pixel unit 14 and second pixel unit
131. A first red sub-pixel 132 and a first green sub-pixel
133. First blue subpixel 134, white subpixel
141. A second red sub-pixel 142 and a second green sub-pixel
143. Second blue sub-pixel
21. Second substrate 22, color film layer
23. First color resistance unit
231. First red sub color resistance 232 and first green sub color resistance
233. First blue sub color resistor 234 and white sub color resistor
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make and use the present invention in a complete manner, and is provided for illustration of the technical disclosure of the present invention so that the technical disclosure of the present invention will be more clearly understood and appreciated by those skilled in the art how to implement the present invention. The present invention may, however, be embodied in many different forms of embodiment, and the scope of the present invention should not be construed as limited to the embodiment set forth herein, but rather construed as being limited only by the following description of the embodiment.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are used for explaining and explaining the present invention, but not for limiting the scope of the present invention.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. In addition, the size and thickness of each component shown in the drawings are arbitrarily illustrated for convenience of understanding and description, and the present invention is not limited to the size and thickness of each component.
Example 1
As shown in fig. 1, the present embodiment provides a display panel 100 defined with a sensing display area 101 and a regular display area 102 surrounding the sensing display area 101.
As shown in fig. 2, the display panel 100 includes an array substrate 1 and a color filter substrate 2, which are oppositely disposed.
As shown in fig. 2, the array substrate 1 includes: a first substrate 11 and an array layer 12. The color film substrate 2 includes: a second substrate 21 and a color film layer 22.
Wherein the first substrate 11 is arranged opposite to the second substrate 21. The first substrate 11 and the second substrate 21 may both be flexible substrates, which have a water and oxygen blocking effect, and the first substrate 11 and the second substrate 21 may both have a better impact resistance, which may effectively protect the display panel 100. The first substrate 11 and the second substrate 21 are made of one or more of glass, polyimide, polycarbonate, polyethylene terephthalate, and polyethylene naphthalate.
As shown in fig. 2, the array layer 12 is disposed on a surface of the first substrate 11 on a side facing the second substrate 21. The color film layer 22 is disposed on a surface of the second substrate 21 facing the first substrate 11, and is disposed opposite to the array layer 12. The liquid crystal layer 3 is arranged between the array substrate 1 and the color film substrate 2. Specifically, the liquid crystal layer 3 is disposed between the array layer 12 and the color film layer 22.
The color film substrate 2 includes a plurality of first color resist units 23.
As shown in fig. 2, in the present embodiment, the display panel 100 further includes: a backlight module 4, a lower polarizer 5 and an upper polarizer 6.
The backlight module 4 is disposed on a side of the first substrate 11 facing away from the second substrate 21. The backlight module 4 is mainly used for providing a light source for the display panel 100. The lower polarizer 5 is disposed on a surface of the first substrate 11 on a side facing away from the second substrate 21, and is disposed between the first substrate 11 and the backlight module 4; the upper polarizer 6 is disposed on a surface of the second substrate 21 on a side facing away from the first substrate 11.
As shown in fig. 2, in the present embodiment, the display panel 100 further includes a sensing device 7. The sensing device 7 of this embodiment is disposed between the array substrate 1 and the color filter substrate 2, and is located in the sensing display area 101. The sensor device 7 may be provided corresponding to only the white sub color resistor 234 of the first color resistor unit 23, or may correspond to another sub color resistor of the first color resistor unit 23. Wherein the sensing device 7 comprises: fingerprint identification sensor and camera.
As shown in fig. 3, the array substrate 1 in the present embodiment includes: a plurality of first pixel units 13 and a plurality of second pixel units 14. The first pixel unit 13 array is disposed in the sensing display area 101, and the second pixel unit 14 array is disposed in the normal display area 102.
As shown in fig. 3, each of the first pixel units 13 includes at least one white sub-pixel 134. Each of the first pixel units 13 further includes sub-pixels of other colors, and the application does not limit the colors and the number of the sub-pixels of other colors, nor the arrangement order of the sub-pixels of other colors and the white sub-pixel 134.
As shown by the dashed line box in fig. 3, in this embodiment, each of the first pixel units 13 further includes: a first red subpixel 131, a first green subpixel 132, and a first blue subpixel 133. The white sub-pixel 134 is disposed on a side of the first blue sub-pixel 133 away from the first green sub-pixel 132. In this embodiment, each of the second pixel units 14 further includes: a second red subpixel 141, a second green subpixel 142, and a second blue subpixel 143.
As shown in fig. 2, the first color resist unit 23 array is disposed in the sensing display area 101 and is disposed corresponding to the first pixel unit 13. Each of the first color resist units 23 includes at least one white sub-color resist 234 having light transmittance, and the white sub-color resist 234 is disposed corresponding to the white sub-pixel 134. The white sub-pixel 134 is added to the first pixel unit 13 of the array substrate 1 of the sensing display area 101, the white sub-color resistor 234 is added to the first color resistor unit 23 of the color film substrate 2 of the sensing display area 101, and by utilizing the characteristic of full light transmission of the white sub-color resistor 234, the light transmittance of the sensing display area 101 is improved, the light intensity of the sensing device 7 reaching the sensing display area 101 is improved, the recognition speed of the fingerprint recognition sensor in the sensing device 7 is increased, and the photographing effect of the camera in the sensing device 7 is improved.
As shown in fig. 2, in this embodiment, each of the first color resistance units 23 further includes: a first red sub color resistance 231, a first green sub color resistance 232, and a first blue sub color resistance 233. The first red sub-color resistor 231, the first green sub-color resistor 232 and the first blue sub-color resistor 233 are respectively disposed corresponding to the first red sub-pixel 131, the first green sub-pixel 132 and the first blue sub-pixel 133.
As shown in fig. 1 and 3, the display panel 100 further includes a control module 103, a first signal line 8, and a second signal line 9. In this embodiment, the first signal line 8 and the second signal line 9 are both data lines. The first signal line 8 connects the control module 103 with the white sub-pixel 134 in the first pixel unit 13; the second signal line 9 connects the control module 103 and other sub-pixels in the first pixel unit 13 (in this embodiment, the second signal line 9 controls the first red sub-pixel 131, the first green sub-pixel 132, and the first blue sub-pixel 133). The control module 103 drives the first signal line 8 and the second signal line 9.
In the display panel 100 of the present embodiment, when the sensing device 7 is in the sleep state, the first pixel unit 13 of the sensing display area 101 and the second pixel unit 14 of the regular display area 102 display images together. The specific operation comprises the following steps: an image signal is acquired, the control module 103 divides the image signal into a first signal and a second signal, transmits the first signal to a first pixel unit of a sensing display area, and transmits the second signal to a second pixel unit of a normal display area, wherein the normal display area and the sensing display area display an image together. At this time, the gray-scale values of the first pixel unit and the second pixel unit are different, which may cause uneven brightness of the entire display panel 100 and reduce the experience of the user. Therefore, in this embodiment, the first signal is processed to obtain display voltage data and compensation voltage data, the compensation voltage data is transmitted to the white sub-pixel of the first pixel unit through the first signal line, and the display voltage data is transmitted to the other sub-pixels of the first pixel unit through the second signal line. By adjusting the gray-scale value of the first pixel unit 13, the display brightness uniformity of the regular display area 102 and the sensing display area 101 is improved.
In the display panel 100 of this embodiment, when the sensing device 7 is in an operating state, the first pixel unit 13 of the sensing display area 101 provides light to the sensing device 7. Therefore, an extra infrared light source is avoided being used as a light source of the sensing device, and the production cost is saved. Since the white sub-pixel in the first pixel unit 13 has a larger brightness, the gray scale value of the first pixel unit 13 of the sensing display area 101 is greater than or equal to the gray scale value of the second pixel unit 14 of the regular display area 102. From this, can increase the light intensity who reaches the sensing device in sensing display area for the recognition rate of fingerprint identification sensor among sensing device 7 promotes the effect of shooing of the camera among sensing device 7.
As shown in fig. 4, the present embodiment also provides a driving method of the display panel 100. When the sensing device 7 is in the sleep state, the driving method of the display panel 100 includes the following steps: s1, acquiring an image signal; s2, dividing the image signal into a first signal and a second signal; s3, transmitting the first signal to a first pixel unit of the sensing display area; or processing the first signal to obtain display voltage data and compensation voltage data, wherein the compensation voltage data is transmitted to the white sub-pixel of the first pixel unit through the first signal line, and the display voltage data is transmitted to other sub-pixels of the first pixel unit through the second signal line; s4, transmitting the second signal to a second pixel unit of the normal display area; and S5, the normal display area and the sensing display area jointly display images.
As shown in fig. 5, when the sensing device 7 is in an operating state, the driving method of the display panel 100 includes the following steps: s101, acquiring a sensing signal; s102, directly transmitting the sensing signal to the first pixel unit, wherein the first pixel unit provides light for the sensing device; or the sensing signal is converted and then transmitted to the first pixel unit, and the first pixel unit provides light for the sensing device; s103, the sensing device completes the sensing function under the light.
Example 2
As shown in fig. 6, embodiment 2 includes most of the technical features of embodiment 1, and embodiment 2 differs from embodiment 1 in that: the white subpixels 134 of at least two first pixel units 13 are adjacently disposed. In this embodiment, the white sub-pixels 134 are adjacently disposed, so that the light quantity of the light reaching the sensing device 7 can be increased, the sensing device 7 can work quickly, the recognition speed of the fingerprint recognition sensor in the sensing device 7 is increased, and the photographing effect of the camera in the sensing device 7 is improved.
Example 3
As shown in fig. 7, embodiment 3 includes most of the technical features of embodiment 1, and embodiment 3 differs from embodiment 1 in that: the first pixel unit 13 of embodiment 3 further includes: a first red subpixel 131, a first green subpixel 132, a first blue subpixel 133, and 3 of the white subpixels 134; the 3 white sub-pixels 134 are respectively disposed at an end of the first red sub-pixel 131, an end of the first green sub-pixel 132, and an end of the first blue sub-pixel 133. The first signal line 8 and the second signal line 9 are both gate lines. The first signal line 8 connects the control module 103 with the white sub-pixel 134 in the first pixel unit 13; the second signal line 9 connects the control module 103 and other sub-pixels in the first pixel unit 13 (in this embodiment, the second signal line 9 controls the first red sub-pixel 131, the first green sub-pixel 132, and the first blue sub-pixel 133).
Example 4
As shown in fig. 8, embodiment 4 includes most of the technical features of embodiment 1, and embodiment 4 differs from embodiment 1 in that: the sensing device 7 in this embodiment may also be disposed on a side of the array substrate 1 away from the color filter substrate 2 and in the sensing display area 101. In other embodiments, the sensing device 7 may be disposed at other positions, and the application does not limit the position of the sensing device 7.
The display panel and the driving method thereof provided by the present application are described in detail above, and the principle and the implementation of the present application are explained in the present application by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A display panel is characterized in that a sensing display area and a regular display area surrounding the sensing display area are defined;
the display panel includes: the array substrate and the color film substrate are oppositely arranged;
wherein, the array substrate includes: the first pixel unit arrays are arranged in the sensing display area, and each first pixel unit comprises at least one white sub-pixel;
wherein, the various membrane base plate includes: the first color resistance unit array is arranged in the sensing display area and corresponds to the first pixel units, each first color resistance unit comprises at least one white sub-color resistance, and the white sub-color resistance has light transmission and corresponds to the white sub-pixels.
2. The display panel according to claim 1,
the display panel further includes: the sensing device is arranged between the array substrate and the color film substrate or arranged on one side of the array substrate, which is far away from the color film substrate, and is positioned in the sensing display area;
the array substrate further includes: and the second pixel unit arrays are arranged in the conventional display area.
3. The display panel according to claim 1, characterized in that the display panel further comprises: the device comprises a control module, a first signal wire and a second signal wire;
the first signal line is connected with the control module and the white sub-pixel in the first pixel unit;
the second signal line is connected with the control module and other sub-pixels in the first pixel unit;
the control module drives the first signal line and the second signal line;
the first signal line and the second signal line are both data lines; or
The first signal line and the second signal line are both gate lines.
4. The display panel according to claim 2, wherein when the sensing device is in a sleep state, the first pixel cells of the sensing display area and the second pixel cells of the normal display area display an image together.
5. The display panel according to claim 2, wherein the first pixel unit of the sensing display region provides light to the sensing device when the sensing device is in an operating state.
6. The display panel according to claim 5, wherein when the sensing device is in an active state, the gray scale value of the first pixel unit of the sensing display area is greater than or equal to the gray scale value of the second pixel unit of the regular display area.
7. The display panel of claim 1, wherein the white sub-pixels of at least two first pixel units are adjacently disposed.
8. The display panel according to claim 1, wherein the first pixel unit comprises: a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, and 3 of the white sub-pixels;
the 3 white sub-pixels are respectively and correspondingly arranged at the end part of the first red sub-pixel, the end part of the first green sub-pixel and the end part of the first blue sub-pixel.
9. A driving method of a display panel applied to the display panel according to any one of claims 1 to 8, wherein when the sensing device is in a sleep state, the driving method of the display panel comprises the steps of:
acquiring an image signal;
dividing the image signal into a first signal and a second signal;
transmitting the first signal to a first pixel unit of the sensing display area; or
Processing the first signal to obtain display voltage data and compensation voltage data, wherein the compensation voltage data is transmitted to the white sub-pixel of the first pixel unit through the first signal line, and the display voltage data is transmitted to other sub-pixels of the first pixel unit through the second signal line;
transmitting the second signal to a second pixel unit of the normal display area;
the normal display area and the sensing display area jointly display images.
10. The display panel driving method according to claim 9, wherein when the sensing device is in an operating state, the display panel driving method comprises the steps of:
acquiring a sensing signal;
transmitting the sensing signal directly to the first pixel unit, wherein the first pixel unit provides light for the sensing device; or
The sensing signal is converted and then transmitted to the first pixel unit, and the first pixel unit provides light for the sensing device;
the sensing device completes the sensing function under the light.
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| CN109359641A (en) * | 2018-12-24 | 2019-02-19 | 厦门天马微电子有限公司 | Display device and its driving method |
| CN211577609U (en) * | 2019-12-06 | 2020-09-25 | 联想(北京)有限公司 | Display screen and electronic equipment |
| US20200355953A1 (en) * | 2018-01-31 | 2020-11-12 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Liquid crystal panel and liquid crystal display |
| CN112365807A (en) * | 2020-11-11 | 2021-02-12 | 厦门天马微电子有限公司 | Display panel and display device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200355953A1 (en) * | 2018-01-31 | 2020-11-12 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Liquid crystal panel and liquid crystal display |
| CN109359641A (en) * | 2018-12-24 | 2019-02-19 | 厦门天马微电子有限公司 | Display device and its driving method |
| CN211577609U (en) * | 2019-12-06 | 2020-09-25 | 联想(北京)有限公司 | Display screen and electronic equipment |
| CN112365807A (en) * | 2020-11-11 | 2021-02-12 | 厦门天马微电子有限公司 | Display panel and display device |
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