CN210005815U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN210005815U CN210005815U CN201920885689.9U CN201920885689U CN210005815U CN 210005815 U CN210005815 U CN 210005815U CN 201920885689 U CN201920885689 U CN 201920885689U CN 210005815 U CN210005815 U CN 210005815U
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- 239000003990 capacitor Substances 0.000 claims abstract description 45
- 239000010409 thin film Substances 0.000 claims description 39
- 230000000007 visual effect Effects 0.000 abstract description 15
- 230000035515 penetration Effects 0.000 abstract description 5
- 235000019557 luminance Nutrition 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The utility model discloses an kind of display panel and display device, display panel includes main pixel district and subpixel district, wherein, main pixel district includes pixel cell, subpixel district includes second pixel cell, pixel cell includes storage circuit, second pixel cell includes second storage circuit, and second storage circuit's storage capacity is less than storage circuit's storage capacity to through the capacity of reducing subpixel district storage capacitor, make the electric potential of storage diminish, the luminance that shows darkens, can not only improve visual angle panel and take place the problem of colour cast, improved the characteristic of visual angle, can also improve visual angle panel's penetration rate, thereby reduced the consumption of being shaded.
Description
Technical Field
The utility model relates to a liquid crystal display technology field especially relates to display panel and display device.
Background
When a viewing angle panel (VA) mode liquid crystal panel is viewed at a viewing angle, a color cast problem often occurs, in order to improve the color cast of an viewing angle panel, a pixel is divided into two regions by an existing viewing angle panel, when the panel works, the luminance of regions (Main) is high, and the luminance of regions (Sub) is low, so that the viewing angle characteristic of the panel is improved by the two regions with different luminances.
Because the area of Sub district is great, accounts for about 60% of pixel opening area, the transmissivity of whole pixel has great sacrifice, has increased the consumption of being shaded, in addition, because all be the hi-lite pixel in the Main district, and all be the low luminance pixel in the Sub district, hi-lite pixel and low luminance pixel are too concentrated respectively for the luminance difference of two districts is too obvious, leads to the visual effect not good.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a display panel and a display device, which can improve the penetration rate of viewing angle panels.
To achieve the above object, the present invention provides kinds of display panels, which comprises a main pixel region and a sub-pixel region, wherein the main pixel region comprises a th pixel unit, the sub-pixel region comprises a second pixel unit, the th pixel unit comprises a th storage circuit, the second pixel unit comprises a second storage circuit, and
the storage capacity of the second storage circuit is less than the storage capacity of the th storage circuit.
In the embodiment, the storage circuit includes a storage capacitor and the second storage circuit includes a second storage capacitor, and
the capacitance value of the second storage capacitor is smaller than that of the th storage capacitor.
In the embodiment, the main pixel region further includes a th active switch and a th sub-pixel, and
a control terminal of the th active switch receives a scan driving signal, a th terminal of the th active switch receives a data driving signal, a second terminal of the th active switch is connected to an input terminal of the th storage circuit, and an output terminal of the th storage circuit is connected to the th sub-pixel.
In an embodiment , the sub-pixel region further includes a second active switch, a third active switch, and a second sub-pixel;
a control terminal of the second active switch receives the scan driving signal, a th terminal of the second active switch receives the data driving signal, a second terminal of the second active switch is connected with an input terminal of the second storage circuit, an output terminal of the second storage circuit is connected with the second sub-pixel, and
and the control end of the third active switch receives the scanning driving signal, and the third active switch is connected with the pixel electrode end and the common electrode end of the second sub-pixel in a preset mode.
In , the predetermined manner is that the terminal of the third active switch is connected to the pixel electrode terminal, and the second terminal of the third active switch is connected to the common electrode terminal.
In , the predetermined manner is that the th terminal of the second active switch is connected to the common electrode terminal, and the second terminal of the third active switch is connected to the pixel electrode terminal.
In the embodiment, the th pixel unit and the second pixel unit are alternately arranged.
In the embodiment, the sub-pixels in the same row in the th pixel unit and the second pixel unit are connected to the same scan line, which is a scan line outputting the scan driving signal, and
the th pixel unit and the sub-pixels in the second pixel unit located in the same column are connected to a same data line, which is a data line outputting the data driving signal.
In order to achieve the above object, the present invention provides kinds of display panels, the display panel includes a main pixel region and a sub-pixel region, wherein the main pixel region includes a th pixel unit, the sub-pixel region includes a second pixel unit, the th pixel unit and the second pixel unit are alternately arranged, the th pixel unit includes a th storage capacitor, and the second pixel unit includes a second storage capacitor, a second thin film transistor, a third thin film transistor and a second sub-pixel;
a grid electrode of the second thin film transistor receives a scanning driving signal, a source electrode of the second thin film transistor receives a data driving signal, a drain electrode of the second thin film transistor is connected with an input end of the second storage capacitor, and an output end of the second storage capacitor is connected with the second sub-pixel;
the grid electrode of the third thin film transistor is connected with the scanning line corresponding to the row of the second sub-pixel;
the source electrode of the third thin film transistor is connected with the pixel electrode of the second sub-pixel, the drain electrode of the third thin film transistor is connected with the common electrode of the second sub-pixel, or the drain electrode of the third thin film transistor is connected with the pixel electrode of the second sub-pixel, and the source electrode of the third thin film transistor is connected with the common electrode of the second sub-pixel; and
the capacitance value of the second storage capacitor is smaller than that of the th storage capacitor.
To achieve the above object, the present invention provides display devices, which comprises a memory, a processor and a display panel as described above.
The utility model provides a display panel includes main pixel district and subpixel district, wherein, main pixel district includes pixel cell, subpixel district includes second pixel cell, pixel cell includes storage circuit, second pixel cell includes second storage circuit, and the storage capacity of second storage circuit is less than storage circuit's storage capacity to through reducing subpixel district storage capacitor's capacity, make the electric potential of storage diminish, the luminance that shows is dark, can not only improve visual angle panel and take place the problem of colour cast, improved the characteristic of visual angle, can also improve visual angle panel's penetration rate, thereby reduced the consumption of being shaded.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a display panel according to the present invention;
fig. 2 is a schematic structural diagram of a display panel according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display panel according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a display device of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be described in connection with the embodiments illustrated in the accompanying drawings, in which reference should be made to the accompanying drawings for a further .
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.
Furthermore, if there is a description in an embodiment of the present invention referring to "", "second", etc., then this description of "", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated.A feature defined as "", "second", etc. may thus explicitly or implicitly include at least of this feature.
The utility model provides an kinds of display panel.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of display panels, in an embodiment of the present invention, the display panel includes a display array, and the display array includes sub-pixels arranged in an array.
The display panel includes a main pixel region including th pixel cells 10 and a sub-pixel region including second pixel cells 20, the th pixel cells 10 including th storage circuits 30, the second pixel cells 20 including second storage circuits 40, and
the storage capacity of the second storage circuit 40 is less than the storage capacity of the th storage circuit 30.
In the embodiment, the capacity of the storage capacitor in the sub-pixel area is reduced, so that the stored potential is reduced, the displayed brightness is darkened, the problem of color cast of an viewing angle panel is solved, the viewing angle characteristic is improved, the transmittance of a viewing angle panel is improved, and the power consumption of backlight is reduced.
It should be noted that the display panel is a VA panel, wherein the main pixel area is a high-brightness pixel area, and the sub-pixel area is a low-brightness pixel area, so that viewing angle characteristics of the display panel are improved through two areas with different brightness, wherein a scan driving signal is connected to the th active switch 70 and the second active switch 90, and controls the th active switch 70 and the second active switch 90 to be turned on or off, and a data driving signal is output to the same column of sub-pixels, so as to implement data driving of the same column of sub-pixels.
As shown in fig. 2, fig. 2 is a schematic structural diagram of a second embodiment of the display panel, in which the th storage circuit 30 includes a th storage capacitor 50, the second storage circuit 40 includes a second storage capacitor 60, and a capacitance of the second storage capacitor 60 is smaller than a capacitance of the th storage capacitor 50.
The second storage circuit 40 is a storage capacitor, the capacitance value of the storage capacitor is smaller than that of the th storage capacitor 50, the th storage capacitor 50 is connected with the th sub-pixel 80, and in the main pixel area, the th storage capacitor 50 supplies power to the th sub-pixel 80 when discharging.
It should be noted that, the second storage capacitor 60 is related to the thickness of the dielectric layer, the dielectric constant and the overlapping area, and the capacitance value of the storage capacitor is reduced by increasing the thickness of the dielectric layer.
In this embodiment, the capacitance of the second storage capacitor 60 is smaller than that of the th storage capacitor 50, because the main pixel area is a high-brightness pixel, and the sub-pixel area is a low-brightness pixel, the high-brightness pixel and the low-brightness pixel are respectively over-concentrated, so that the brightness difference between the two areas is over-obvious, resulting in poor visual effect, and in this embodiment, the storage capacitor in the sub-pixel area is reduced, so that the stored potential is reduced, and the displayed brightness is darkened, thereby improving the brightness difference between the main pixel area and the sub-pixel area.
As shown in FIG. 3, FIG. 3 is a schematic structural diagram of a third embodiment of the display panel, the main pixel region further includes th active switches 70 and th sub-pixels 80, an
A control terminal of the th active switch 70 receives a scan driving signal, a th terminal of the th active switch 70 receives a data driving signal, a second terminal of the th active switch 70 is connected to an input terminal of the th storage circuit 30, and an output terminal of the th storage circuit 30 is connected to the th sub-pixel 80.
It should be noted that the th active switch 70 may be a th thin film transistor, a gate of a th thin film transistor receives a scan driving signal, a source of the th thin film transistor receives a data driving signal 40, a drain of the th thin film transistor is connected to the th storage circuit 30, and the th storage circuit 30 is connected to the th sub-pixel 80.
The sub-pixel region further comprises a second active switch 90, a third active switch 100 and a second sub-pixel 110;
the control terminal of the second active switch 90 receives the scan driving signal, the th terminal of the second active switch 90 receives the data driving signal, the second terminal of the second active switch 90 is connected to the input terminal of the second storage circuit 40, and the output terminal of the second storage circuit 40 is connected to the second subpixel 110.
The second active switch 90 may be a second thin film transistor, the third active switch 100 may be a third thin film transistor, a gate of the third thin film transistor receives the scan driving signal, an th end of the third thin film transistor is connected to the second storage circuit 40, and a second end of the third thin film transistor is connected to the second sub-pixel 110.
In this embodiment, the th active switch 70 and the second active switch 90 control the th sub-pixel 80 and the second sub-pixel 110, so that the th sub-pixel 80 and the second sub-pixel 110 realize different brightness under the condition of inputting the same gray scale signal, thereby realizing the main pixel area and the sub-pixel area and avoiding color cast at the viewing angle .
In an embodiment, a control terminal of the third active switch 100 receives the scan driving signal, and the third active switch 100 is connected to a pixel electrode terminal and a common electrode terminal of the second sub-pixel 110 in a preset manner, so as to implement a flexible connection manner.
In a specific implementation, the second active switch 90 is connected to the pixel electrode terminal and the common electrode terminal of the second sub-pixel 110 in a preset manner.
In this embodiment, the gate of the th active switch 70 is connected to the scan line corresponding to the row in which the th sub-pixel 80 is located, the terminal of the source/drain electrode of the third active switch 100 is connected to the pixel electrode of the second sub-pixel 110, and the terminal is connected to the common electrode corresponding to the second sub-pixel 110, so as to realize the sub-pixel region, and further realize the pixel regions with different brightness, and the same gray scale signal is input to the pixel regions to realize different brightness.
The preset mode is that the th end of the third active switch 100 is connected with the pixel electrode end, the second end of the third active switch 100 is connected with the common electrode end, the th end of the second active switch 90 is connected with the common electrode end, and the second end of the third active switch 100 is connected with the pixel electrode end.
It should be noted that the second sub-pixel 110 includes a pixel electrode terminal and a common electrode terminal, the preset mode is that the th terminal of the third active switch 100 is connected to the pixel electrode terminal, and the second terminal of the third active switch 100 is connected to the common electrode terminal, so as to implement a sub-pixel region.
In another embodiment, the preset manner may be that the end of the third active switch 100 is connected to the common electrode end, and the second end of the third active switch 100 is connected to the pixel electrode end, so as to avoid adding an auxiliary line, and in the case of an original wiring, the third active switch 100 is connected, so as to realize a sub-pixel region.
In the embodiment, the th pixel cell 10 and the second pixel cell 20 are alternately arranged.
In order to avoid the color cast, the th pixel unit 10 and the second pixel unit 20 are alternately arranged, so that the pixels with brightness difference are prevented from being too concentrated, and the purpose of improving the visual effect of the user is achieved.
In the embodiment, the sub-pixels in the same row in the th pixel unit 10 and the second pixel unit 20 are connected to the same scan line, which is a scan line outputting the scan driving signal, and the sub-pixels in the same column in the th pixel unit 10 and the second pixel unit 20 are connected to the same data line, which is a data line outputting the data driving signal.
It is understood that the sub-pixels located in the same row in the pixel unit are connected to the same scan line, which is a scan line outputting a scan driving signal, and the sub-pixels located in the same column in the pixel unit are connected to the same data line, which is a data line outputting a data driving signal.
It should be noted that, each row of sub-pixels is connected to scan lines adjacent to the row of pixels, and each column of sub-pixels is connected to data lines adjacent to the column of pixels, so that the sub-pixels in the same row are driven by the same scan lines and the sub-pixels in the same column are driven by the same data lines, thereby reducing the driving frequency of the scan lines and the data lines.
Furthermore, the present invention also provides kinds of display panels, which include a main pixel region and a sub-pixel region, wherein the main pixel region includes a th pixel unit 10, the sub-pixel region includes a second pixel unit 20, the th pixel unit 10 and the second pixel unit 20 are alternately disposed, the th pixel unit 10 includes a th storage capacitor 50, and the second pixel unit 20 includes a second storage capacitor 60, a second thin film transistor, a third thin film transistor, and a second sub-pixel 110;
the gate of the second thin film transistor receives a scanning driving signal, the source of the second thin film transistor receives a data driving signal, the drain of the second thin film transistor is connected with the input end of the second storage capacitor 60, and the output end of the second storage capacitor 60 is connected with the second subpixel 110;
the grid electrode of the third thin film transistor is connected with the scanning line corresponding to the row of the second sub-pixel 110;
the source of the third thin film transistor is connected to the pixel electrode of the second sub-pixel 110, the drain of the third thin film transistor is connected to the common electrode of the second sub-pixel 110, or the drain of the third thin film transistor is connected to the pixel electrode of the second sub-pixel 110, and the source of the third thin film transistor is connected to the common electrode of the second sub-pixel 110; and
the capacitance value of the second storage capacitor 60 is less than the capacitance value of the th storage capacitor 50.
The display panel provided by the embodiment comprises a main pixel area and a sub-pixel area, wherein the main pixel area comprises th pixel units 10, the sub-pixel area comprises second pixel units 20, the th pixel unit 10 comprises a th storage circuit 30, the second pixel unit 20 comprises a second storage circuit 40, and the storage capacity of the second storage circuit 40 is smaller than that of the th storage circuit 30, so that the stored potential is reduced by reducing the capacity of a storage capacitor of the sub-pixel area, the displayed brightness is improved, the problem of color cast of a visual angle darkening panel is solved, the characteristic of a visual angle is improved, the penetration rate of an visual angle panel is improved, and the power consumption of backlight is reduced.
In addition, the utility model discloses kinds of display device are still proposed, as shown in FIG. 4, the display device includes memory, treater and as above-mentioned display surface, the display panel includes display array 200, the display panel still includes scanning circuit 210 and drive circuit 220, scanning circuit 210 sets up to output scanning drive signal, is like scanning pixel unit row by row, drive circuit 220 sets up to output data drive signal, makes pixel unit receive drive data and show when being scanned, the display device makes the electric potential of storage diminish through reducing the capacity of sub-pixel district storage capacitor, and the luminance that shows darkens, can not only improve visual angle panel and take place the problem of colour cast, has improved the characteristic of visual angle, can also improve visual angle panel's penetration rate to the consumption of being shaded has been reduced.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1, display panel, wherein the display panel comprises a main pixel area and a sub-pixel area, wherein the main pixel area comprises a th pixel unit, the sub-pixel area comprises a second pixel unit, the th pixel unit comprises a th storage circuit, the second pixel unit comprises a second storage circuit, and
the storage capacity of the second storage circuit is less than the storage capacity of the th storage circuit.
2. The display panel according to claim 1, wherein the th storage circuit comprises a th storage capacitor, the second storage circuit comprises a second storage capacitor, and
the capacitance value of the second storage capacitor is smaller than that of the th storage capacitor.
3. The display panel of claim 1, wherein the main pixel region further comprises th active switches and th sub-pixels, and
a control terminal of the th active switch receives a scan driving signal, a th terminal of the th active switch receives a data driving signal, a second terminal of the th active switch is connected to an input terminal of the th storage circuit, and an output terminal of the th storage circuit is connected to the th sub-pixel.
4. The display panel of any of wherein the sub-pixel region further comprises a second active switch, a third active switch, and a second sub-pixel;
a control terminal of the second active switch receives a scan driving signal, a th terminal of the second active switch receives a data driving signal, a second terminal of the second active switch is connected with an input terminal of the second storage circuit, an output terminal of the second storage circuit is connected with the second sub-pixel, and
and the control end of the third active switch receives the scanning driving signal, and the third active switch is connected with the pixel electrode end and the common electrode end of the second sub-pixel in a preset mode.
5. The display panel according to claim 4, wherein the predetermined manner is that the th terminal of the third active switch is connected to the pixel electrode terminal, and the second terminal of the third active switch is connected to the common electrode terminal.
6. The display panel according to claim 4, wherein the predetermined manner is that the th terminal of the second active switch is connected to the common electrode terminal, and the second terminal of the third active switch is connected to the pixel electrode terminal.
7. The display panel according to wherein the th pixel cell and the second pixel cell are alternately arranged.
8. The display panel according to any of claims 1 to 3, wherein sub-pixels in the same row in the th pixel unit and the second pixel unit are connected to the same scan line, and wherein the scan line is a scan line outputting a scan driving signal, and wherein
The th pixel unit and the sub-pixels in the second pixel unit located in the same column are connected to the same data line, which is a data line outputting a data driving signal.
9, a display panel, which includes a main pixel area and a sub-pixel area, wherein the main pixel area includes a th pixel unit, the sub-pixel area includes a second pixel unit, the th pixel unit and the second pixel unit are alternately arranged, the th pixel unit includes an th storage capacitor, and the second pixel unit includes a second storage capacitor, a second thin film transistor, a third thin film transistor and a second sub-pixel;
a grid electrode of the second thin film transistor receives a scanning driving signal, a source electrode of the second thin film transistor receives a data driving signal, a drain electrode of the second thin film transistor is connected with an input end of the second storage capacitor, and an output end of the second storage capacitor is connected with the second sub-pixel;
the grid electrode of the third thin film transistor is connected with the scanning line corresponding to the row of the second sub-pixel;
the source electrode of the third thin film transistor is connected with the pixel electrode of the second sub-pixel, the drain electrode of the third thin film transistor is connected with the common electrode of the second sub-pixel, or the drain electrode of the third thin film transistor is connected with the pixel electrode of the second sub-pixel, and the source electrode of the third thin film transistor is connected with the common electrode of the second sub-pixel; and
the capacitance value of the second storage capacitor is smaller than that of the th storage capacitor.
A display device of , comprising a memory, a processor and a display panel of any of claims 1-9 through .
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885689.9U CN210005815U (en) | 2019-06-11 | 2019-06-11 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920885689.9U CN210005815U (en) | 2019-06-11 | 2019-06-11 | Display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099276A (en) * | 2020-09-23 | 2020-12-18 | 惠科股份有限公司 | Driving array substrate, display panel and display device |
| CN113219742A (en) * | 2021-04-20 | 2021-08-06 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
| CN113219745A (en) * | 2021-04-20 | 2021-08-06 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
-
2019
- 2019-06-11 CN CN201920885689.9U patent/CN210005815U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099276A (en) * | 2020-09-23 | 2020-12-18 | 惠科股份有限公司 | Driving array substrate, display panel and display device |
| CN113219742A (en) * | 2021-04-20 | 2021-08-06 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
| CN113219745A (en) * | 2021-04-20 | 2021-08-06 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
| CN113219745B (en) * | 2021-04-20 | 2022-07-05 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
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