DISPLAY PANEL AND DISPLAY DEVICE
20230206871 · 2023-06-29
Inventors
Cpc classification
G09G2320/0247
PHYSICS
G09G2320/0242
PHYSICS
G09G3/3607
PHYSICS
G09G2320/0209
PHYSICS
International classification
Abstract
A display panel and a display device are provided. The display panel includes a data driving unit provided a specific sequence of polarities and complementary high/low level for color shift compensation from a 1.sup.st terminal to a 16.sup.th terminal in each cycle unit to solve an issue of liquid crystal panel flicker, crosstalk, etc.
Claims
1. A display panel, comprising: a substrate comprising a display region and a non-display region, wherein the display region comprises a plurality of scan lines, a plurality of data lines, and a plurality of pixel units disposed in an array, the plurality of pixel units are defined by the plurality of scan lines across the plurality of data lines, each column of the pixel units are connected to a same data line, the non-display region comprises a data driving unit, the data driving unit comprises a plurality output terminals, each output terminal is connected to one column of the pixel units by the data line, every 16 consecutive output terminals is defined as a cycle unit comprising a 1st terminal to a 16th terminal, the data driving unit is configured to provide data signals to the pixel units respectively through the 1st terminal to the 16th terminal, polarities of the data signals provided by a 2nd terminal, a 4th terminal, a 5th terminal, a 7th terminal, a 9th terminal, a 11th terminal, a 14th terminal, and the 16th terminal are opposite to a polarity of the data signal provided by the 1st terminal, and polarities of the data signals provided by a 3rd terminal, a 6th terminal, a 8th terminal, a 10th terminal, a 12th terminal, a 13th terminal, and a 15th terminal are equal to the polarity of the data signal provided by the 1st terminal; wherein electrical levels of the data signals provided by the 2nd terminal, the 3rd terminal, the 5th terminal, the 8th terminal, the 10th terminal, the 11th terminal, the 13th terminal, and the 16th terminal in the cycle unit are opposite to an electrical level of the data signal provided by the 1st terminal in the cycle unit, and electrical levels of the data signal provided by the 4th terminal, the 6th terminal, the 7th terminal, the 9th terminal, the 12th terminal, the 14th terminal, and the 15th terminal are equal to the electrical level of the data signal provided by the 1st terminal in the cycle unit.
2. (canceled)
3. The display panel according to claim 1, wherein the electrical levels of the data signals are complementary levels for color shift compensation.
4. The display panel according to claim 3, wherein the complementary levels for color shift compensation of the data signals comprises a complementary high level for color shift compensation and a complementary low level for color shift compensation, and each output terminal is configured to provide the complementary high level for color shift compensation and the complementary low level for color shift compensation alternately.
5. The display panel according to claim 4, wherein the data driving unit is configured to provide the complementary low level for color shift compensation and the complementary high level for color shift compensation to two pixel units disposed at adjacent rows respectively in a same image frame, an image signals provides an original gray scale value to one of the two pixel units disposed at adjacent rows, a gray scale value of the complementary low level for color shift compensation is less than the original gray scale value, a gray scale value of the complementary high level for color shift compensation is greater than the original gray scale value, a whole brightness provided by the gray scale values of the complementary low level and the complementary high level for color shift compensation is equal to a brightness provided by the original gray scale value.
6. The display panel according to claim 4, wherein the data driving unit is configured to provide opposite polarities of the data signals to a same output terminal in different image frames.
7. The display panel according to claim 4, wherein the data driving unit is configured to provide a same complementary high level or low level for color shift compensation of the data signals to a same pixel unit in different image frames.
8. The display panel according to claim 1, wherein the plurality of pixel units comprise a plurality of first pixel units, a plurality of second pixel units, a plurality of third pixel units, and a plurality of fourth pixel units, the first pixel units are red pixels, the second pixel units are green pixels, the third pixel units are blue pixels, and the fourth pixel units are white pixels.
9. The display panel according to claim 8, wherein the 1st terminal, the 5th terminal, the 9th terminal, and the 13th terminal are connected to the red pixels respectively, the 2nd terminal, the 6th terminal, the 10th terminal, and the 14th terminal are connected to the green pixels respectively, the 3rd terminal, the 7th terminal, the 11th terminal, and the 15th terminal are connected to the blue pixels respectively, and the 4th terminal, the 8th terminal, the 12th terminal, and the 16th terminal are connected to the white pixels respectively.
10. A display device, comprising a display panel and a driving device connected to the display panel through a flexible circuit board, wherein the display panel comprises: a substrate comprising a display region and a non-display region, wherein the display region comprises a plurality of scan lines, a plurality of data lines, and a plurality of pixel units disposed in an array, the plurality of pixel units are defined by the plurality of scan lines across the plurality of data lines, each column of the pixel units are connected to a same data line, the non-display region comprises a data driving unit, the data driving unit comprises a plurality output terminals, each output terminal is connected to one column of the pixel units by the data line, every 16 output terminals is defined as a cycle unit comprising a 1st terminal to a 16th terminal, the data driving unit is configured to provide data signals to the pixel units through the output terminals respectively, polarities of the data signals provided by a 2nd terminal, a 4th terminal, a 5th terminal, a 7th terminal, a 9th terminal, a 11th terminal, a 14th terminal, and the 16th terminal are opposite to a polarity of the data signal provided by the 1st terminal in each cycle unit, and polarities of the data signals provided by a 3rd terminal, a 6th terminal, a 8th terminal, a 10th terminal, a 12th terminal, a 13th terminal, and a 15th terminal are equal to the polarity of the data signal provided by the 1st terminal in each cycle unit; wherein electrical levels of the data signals provided by the 2nd terminal, the 3rd terminal, the 5th terminal, the 8th terminal, the 10th terminal, the 11th terminal, the 13th terminal, and the 16th terminal in the cycle unit are opposite to an electrical level of the data signal provided by the 1st terminal in the cycle unit, and electrical levels of the data signal provided by the 4th terminal, the 6th terminal, the 7th terminal, the 9th terminal, the 12th terminal, the 14th terminal, and the 15th terminal are equal to the electrical level of the data signal provided by the 1st terminal in the cycle unit.
11. (canceled)
12. The display device according to claim 10, wherein the electrical levels of the data signals are complementary levels for color shift compensation.
13. The display device according to claim 12, wherein the complementary levels for color shift compensation of the data signals comprises a complementary high level for color shift compensation and a complementary low level for color shift compensation, and each output terminal is configured to provide the complementary high level for color shift compensation and the complementary low level for color shift compensation alternately.
14. The display device according to claim 13, wherein the data driving unit is configured to provide the complementary low level for color shift compensation and the complementary high level for color shift compensation to two pixel units disposed at adjacent rows respectively in a same image frame, an image signals provides an original gray scale value to one of the two pixel units disposed at adjacent rows, a gray scale value of the complementary low level for color shift compensation is less than the original gray scale value, a gray scale value of the complementary high level for color shift compensation is greater than the original gray scale value, a whole brightness provided by the gray scale values of the complementary low level and the complementary high level for color shift compensation is equal to a brightness provided by the original gray scale value.
15. The display device according to claim 13, wherein the data driving unit is configured to provide opposite polarities of the data signals to a same output terminal in different image frames, and the data driving unit is configured to provide same polarities of the data signals to the same output terminal in a same image frame.
16. The display device according to claim 13, wherein the data driving unit is configured to provide a same complementary high level or low level for color shift compensation of the data signals to a same pixel unit in different image frames.
17. The display device according to claim 10, wherein a same column of the plurality of pixel units comprise pixels with a same color, a first column of pixel units are all red pixels, a second column of pixel units are all green pixels, a third column of pixel units are all blue pixels, and a fourth column of pixel units are all white pixels.
18. The display device according to claim 17, wherein the 1st terminal, the 5th terminal, the 9th terminal, and the 13th terminal are connected to the red pixels respectively, the 2nd terminal, the 6th terminal, the 10th terminal, and the 14th terminal are connected to the green pixels respectively, the 3rd terminal, the 7th terminal, the 11th terminal, and the 15th terminal are connected to the blue pixels respectively, and the 4th terminal, the 8th terminal, the 12th terminal, and the 16th terminal are connected to the white pixels respectively.
19. The display device according to claim 10, wherein the data driving unit is configured to provide the complementary low level for color shift compensation and the complementary high level for color shift compensation to two pixel units disposed at adjacent rows respectively in a same image frame, an image signals provides an original gray scale value to one of the two pixel units disposed at adjacent rows, a gray scale value of the complementary low level for color shift compensation is less than the original gray scale value, a gray scale value of the complementary high level for color shift compensation is greater than the original gray scale value, a whole brightness provided by the gray scale values of the complementary low level and the complementary high level for color shift compensation is equal to a brightness provided by the original gray scale value.
20. The display device according to claim 19, wherein electrical levels of the complementary level for color shift compensation of the data signals provided by the 2nd terminal, the 3rd terminal, the 5th terminal, the 8th terminal, the 10th terminal, the 11th terminal, the 13th terminal, and the 16th terminal in the cycle unit are opposite to an electrical level of the complementary level for color shift compensation of the data signal provided by the 1st terminal in the cycle unit, and electrical levels of the complementary level for color shift compensation of the data signal provided by the 4th terminal, the 6th terminal, the 7th terminal, the 9th terminal, the 12th terminal, the 14th terminal, and the 15th terminal are equal to the electrical level of the complementary level for color shift compensation of the data signal provided by the 1st terminal in the cycle unit.
Description
BRIEF DESCRIPTION OF DRAWINGS
[0029]
[0030]
[0031]
[0032]
[0033]
[0034]
[0035]
[0036]
DETAILED DESCRIPTION
[0037] The specific structure and functional details disclosed herein are only representative and are used for the purpose of describing exemplary embodiments of the present application. However, this application can be implemented in many alternative forms, and should not be interpreted as being limited only to the embodiments set forth herein.
[0038] In the description of this application, it should be understood that the terms “center”, “lateral”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “top”, The orientation or positional relationship indicated by “bottom”, “inner”, “outer”, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply the pointed device Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms “first” and “second” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise specified, “plurality” means two or more. In addition, the term “including” and any variations thereof is intended to cover non-exclusive inclusion.
[0039] In the description of this application, it should be noted that the terms “installation”, “connection”, and “connection” should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be a support connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.
[0040] The terminology used here is only for describing specific embodiments and is not intended to limit the exemplary embodiments. Unless the context clearly dictates otherwise, the singular forms “a” and “one” used herein are also intended to include the plural. It should also be understood that the terms “including” and/or “comprising” used herein specify the existence of the stated features, integers, steps, operations, units and/or components, and do not exclude the existence or addition of one or more other features, integers, steps, operations, units, components, and/or combinations thereof.
[0041] The application will be further described below in conjunction with the drawings and embodiments.
[0042] Referring to
[0043] The display panel 100 includes a substrate SB including a display region AA and a non-display region BA, wherein the display region AA includes a plurality of scan lines SL, a plurality of data lines DL, and a plurality of pixel units P1, P2, P3, and P4 disposed in an array, the plurality of pixel units P1, P2, P3, and P4 are defined by the plurality of scan lines SL across the plurality of data lines DL, each column of the pixel units are connected to a same data line DL.
[0044] In detail, every four pixel units form a pixel PX. Each pixel PX includes a first pixel unit P1, a second pixel unit P2, a third pixel unit P3, and a fourth pixel unit P4.
[0045] The non-display region BA includes a data driving unit DU, the data driving unit DU includes a plurality output terminals D1, D2, etc., each output terminal is connected to one column of the pixel units by the data line. For example, the 1.sup.st terminal D1 is connected to a column of red pixels R. Every 16 consecutive output terminals D1 to D16 is defined as a cycle unit CU including a 1.sup.st terminal D1 to a 16.sup.th terminal D16. In detail, the non-display region BA includes one or more data driving unit DU. Each data driving unit DU includes one or more cycle units CU. The data driving unit DU is configured to provide data signals to the pixel units respectively through the 1.sup.st terminal D1 to the 16.sup.th terminal D16. Polarities (+/-) of the data signals provided by a 2.sup.nd terminal D2, a 4.sup.th terminal D4, a 5.sup.th terminal D5, a 7.sup.th terminal D7, a 9.sup.th terminal D9, a 11.sup.th terminal D11, a 14.sup.th terminal D14, and the 16.sup.th terminal D16 are opposite to a polarity (+/-) of the data signal provided by the 1.sup.st terminal D1, and polarities (+/-) of the data signals provided by a 3.sup.rd terminal D3, a 6.sup.th terminal D6, a 8.sup.th terminal D8, a 10.sup.th terminal D10, a 12.sup.th terminal D12, a 13.sup.th terminal D13, and a 15.sup.th terminal D15 are equal to the polarity (+/-) of the data signal provided by the 1.sup.st terminal D1.
[0046] In detail, referring to
[0047] In detail, please refer to
[0048] Please refer to
[0049] In detail, referring to
[0050] In some embodiment of the display panel 100, the complementary levels for color shift compensation of the data signals includes a complementary high level H for color shift compensation and a complementary low level L for color shift compensation, and each output terminal is configured to provide the complementary high level H for color shift compensation and the complementary low level L for color shift compensation alternately.
[0051] In detail, please refer to
[0052] In some embodiment of the display panel 100, the data driving unit DU is configured to provide the complementary low level L for color shift compensation and the complementary high level H for color shift compensation to two pixel units disposed at adjacent rows respectively in a same image frame, an image signals provides an original gray scale value to one of the two pixel units disposed at adjacent rows, a gray scale value of the complementary low level L for color shift compensation is less than the original gray scale value, a gray scale value of the complementary high level H for color shift compensation is greater than the original gray scale value, a whole brightness provided by the gray scale values of the complementary low level L and the complementary high level H for color shift compensation is equal to a brightness provided by the original gray scale value.
[0053] In detail, please refer to
[0054] In detail, providing a negative potential can also deflect the liquid crystal. In order to avoid from long-term driving of the liquid crystal by the direct current causing the liquid crystal deformed inertia and the display quality deteriorated. Therefore, an AC voltage is applied to drive the liquid crystal in a polarity inversion manner. In detail, the color shift compensation process converts the positive polarity original data signal potential +V0 into a positive color shift compensation complementary high level +H and a positive color shift compensation complementary low level +L. The level -V0 of the negative original data signal is converted into a negative color shift compensation complementary high level -H and a negative color shift compensation complementary low level -L.
[0055] In detail, please refer to
[0056] In detail, referring to
[0057] In detail, please refer to
[0058] Compared with the data signal of
[0059] In detail, please refer to
[0060] In some embodiment of the display panel 100, the data driving unit DU is configured to provide opposite polarities (+/-) of the data signals to a same output terminal in different image frames.
[0061] In detail, please refer to
[0062] In some embodiment of the display panel 100, the data driving unit DU is configured to provide a same complementary high level H or low level L for color shift compensation of the data signals to a same pixel unit in different image frames.
[0063] In detail, referring to
[0064] Please refer to
[0065] In detail, the data driving unit DU is configured to provide data signals with a fixed polarity (+/-) sequence within the same image frame. In a next image frame, the data driving unit DU provides data signals with reversed polarity for the 1.sup.st terminal D1 to the 16.sup.th terminal D16, namely: negative, positive, negative, positive, positive, negative, positive, negative, positive, negative, positive, negative, negative, positive, negative, and positive.
[0066] Referring to
[0067] In detail, the white pixels W are pixel units without color resistance in the color resistance layer and showing an original color of a backlight, such as white or white light.
[0068] Referring to
[0069] In detail, referring to
[0070] Please refer to
[0071] In comparison with prior art, the disclosure provides the display panel and the display device include the data driving unit provided the specific sequence of polarities and complementary high/low level for color shift compensation from the 1.sup.st terminal to the 16.sup.th terminal in each cycle unit to solve an issue of liquid crystal panel flicker, crosstalk, etc.
[0072] The display panel and the display device provided by the embodiments of the present application are described in detail above.
[0073] For the specific implementation of the above operations, please refer to the previous embodiments, which will not be repeated here.
[0074] In summary, although the application has been disclosed as above in preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the application. Those of ordinary skill in the art can make various decisions without departing from the spirit and scope of the application. Such changes and modifications, so the protection scope of this application is subject to the scope defined by the claims.