CN109686263B - A pixel structure, a display panel and a display device - Google Patents

Abstract

The application relates to the technical field of display, in particular to a pixel structure, a display panel and a display device, which are used for solving the problem that the definition of the pixel structure in the prior art is not good. The pixel structure mainly comprises: the display device comprises a first sub-pixel and a second sub-pixel which are arranged in a preset extending direction, wherein the preset extending direction at least comprises: rows and/or columns; wherein, in a pixel structure, one first sub-pixel and one second sub-pixel are arranged in the preset extending direction; the first color corresponding to the first sub-pixel and the second color corresponding to the second sub-pixel can be combined to present white light. Thereby, white light is compensated in the row and/or column direction of the pixel structure, improving the brightness and the definition of the pixel structure.

Description

A pixel structure, a display panel and a display device

technical field

The present application relates to the field of display technology, and in particular, to a pixel structure, a display panel and a display device.

Background technique

The advantages of thinness and lightness of a flat panel display (Flat Panel Display, FPD) have made FPD a mainstream product in the display industry in the future. A flat panel display panel includes a plurality of pixel structures, and each pixel structure is further composed of a plurality of sub-pixels, thus forming a display panel with a certain resolution.

Taking each pixel structure including three sub-pixels of R (red), G (green), and B (blue) as an example, referring to Figure 1, three RGB sub-pixels are used as a pixel structure, but the existing RGB composition The pixel structure has limited light extraction efficiency, resulting in poor sharpness.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a pixel structure, a display panel, and a display device, so as to solve the problem of poor resolution of the pixel structure in the prior art.

In order to solve the above-mentioned technical problems, the embodiments of the present application adopt the following technical solutions:

A pixel structure, comprising: a first sub-pixel and a second sub-pixel arranged in a preset extension direction, the preset extension direction at least including: rows and/or columns;

Wherein, in a pixel structure, one of the first sub-pixels and one of the second sub-pixels are arranged in the preset extension direction;

The first color corresponding to the first sub-pixel and the second color corresponding to the second sub-pixel can be combined to present white light.

Optionally, it further includes: a third sub-pixel and a fourth sub-pixel, the third sub-pixel and the fourth sub-pixel are arranged in the preset extending direction of the second sub-pixel; wherein,

The third color corresponding to the third subpixel, the fourth color corresponding to the fourth subpixel, and the second color corresponding to the second subpixel can be combined to present white light in the preset extending direction.

Optionally, the preset extension direction further includes: a diagonal line, where the diagonal line is defined based on a pixel structure including the first sub-pixel and the second sub-pixel.

Optionally, in one of the preset extending directions, the first sub-pixel is directly adjacent to the second sub-pixel, or there is an interval between the first sub-pixel and the second sub-pixel. the third subpixel and/or the fourth subpixel.

Optionally, the first subpixel is directly adjacent to the second subpixel in all row or column directions.

Optionally, the first sub-pixel and the second sub-pixel can be driven to light up at the same time; or,

The second sub-pixel, the third sub-pixel and the fourth sub-pixel can be simultaneously driven to light up.

Optionally, the area of the second sub-pixel is larger than that of other sub-pixels.

Optionally, the first color corresponding to the first sub-pixel is yellow, and the second color corresponding to the second sub-pixel is blue;

The third color corresponding to the third sub-pixel is red, and the fourth color corresponding to the fourth sub-pixel is green.

A display panel includes the pixel structure.

A display device includes the display panel.

The above-mentioned at least one technical solution adopted in the embodiments of the present application can achieve the following beneficial effects:

Through the arrangement design of the pixel structure, the first sub-pixel and the second sub-pixel arranged in the preset extension direction can use the color combination corresponding to the two sub-pixels to present white light. / or compensating for white light in the column direction, improving the brightness and clarity of the pixel structure.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

1 is a schematic diagram of a pixel structure in the prior art;

FIG. 2 is one of the schematic diagrams of a pixel structure provided by an embodiment of the present application;

FIG. 3a is the second schematic diagram of a pixel structure provided by an embodiment of the present application;

FIG. 3b is a third schematic diagram of a pixel structure provided by an embodiment of the present application;

FIG. 3c is a fourth schematic diagram of a pixel structure provided by an embodiment of the present application;

FIG. 3d is a fifth schematic diagram of a pixel structure provided by an embodiment of the present application;

4a-4c are respectively one of the schematic schematic diagrams of the pixel structure provided by the embodiment of the present application when it is driven;

5a-5c are the second schematic diagrams of the pixel structure provided by the embodiment of the present application when it is driven;

6a-6d are schematic diagrams of corresponding colors corresponding to pixel structures according to an embodiment of the present application, respectively.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Considering that an arrangement of three primary colors of RGB is generally adopted in the prior art, in this way, white light can be presented through RGB. However, the light emitting (white light) efficiency of the pixel structure formed by the existing arrangement is not high, which affects the brightness and clarity of the display panel during display. To this end, the present application proposes a new pixel structure, which can present white light by using the color combination corresponding to the two sub-pixels through the first sub-pixel and the second sub-pixel arranged in a preset extension direction, Therefore, the white light is compensated in the row and/or column direction of the pixel structure, and the brightness and definition of the pixel structure are improved. Moreover, the pixel structure does not increase the difficulty of the manufacturing process, and the manufacturing process is simple.

Referring to FIG. 2 , which is a schematic diagram of a pixel structure provided by an embodiment of the present application, the pixel structure mainly includes:

The first sub-pixels 21 and the second sub-pixels 22 are arranged in a predetermined extension direction, the predetermined extension direction at least includes: rows and/or columns; wherein, in a pixel structure, the predetermined extension direction is arranged in the One of the first sub-pixels 21 and one of the second sub-pixels 22; the first color corresponding to the first sub-pixel 21 and the second color corresponding to the second sub-pixel 22 can be combined to present white light.

It should be understood that in this application, the colors corresponding to the first sub-pixel 21 and the second sub-pixel 22 can be combined to present white light, which can be understood as the combination of these two colors can be recognized by people or other devices. Two colors do not necessarily make up white light.

Through the arrangement design of the pixel structure, the first sub-pixel and the second sub-pixel arranged in the preset extension direction can use the color combination corresponding to the two sub-pixels to present white light. / or compensating for white light in the column direction, improving the brightness and clarity of the pixel structure.

Still referring to FIG. 2 , the pixel structure further includes: a third sub-pixel 23 and a fourth sub-pixel 24 , and the third sub-pixel 23 and the fourth sub-pixel 24 are arranged in a pre-position where the second sub-pixel 22 is located. Set the direction of extension; where,

The third color corresponding to the third sub-pixel 23, the fourth color corresponding to the fourth sub-pixel 24, and the second color corresponding to the second sub-pixel 22 can be combined in a preset extending direction to present white light.

It should be understood that, in the pixel structure of the present application, the second sub-pixel 22 may be combined with the third sub-pixel 23 and the fourth sub-pixel 24 to present white light, and may also be combined with the first sub-pixel 21 to present white light. Thus, the second sub-pixel 22 can be shared or borrowed to improve the brightness of the pixel structure.

Specifically, still referring to the pixel structure in the form of a 4×4 matrix shown in FIG. 2 , in the first row of the pixel structure: the third sub-pixel 23 , the fourth sub-pixel 24 and the second sub-pixel 22 combine to present white light, and the second sub-pixel 23 The combination of the pixel 22 and the first sub-pixel presents white light; in the second row: the combination of the second sub-pixel 22 and the first sub-pixel presents white light, and the combination of the second sub-pixel 22, the third sub-pixel 23 and the fourth sub-pixel 24 presents white light ; Similarly, the third and fourth lines are similar. In the first column of the pixel structure: the third sub-pixel 23 , the second sub-pixel 22 and the fourth sub-pixel 24 combine to present white light. Similarly, the situations of the second, third and fourth columns are similar. Therefore, in each row and each column of the pixel structure, the white light presented by the combination of the first sub-pixel 21 and the second sub-pixel 22 can be used to realize the white light compensation effect for the row and column in the pixel structure, which improves the overall effect. The brightness of the pixel structure improves the display clarity.

In fact, in the solution of the present application, FIG. 2 only shows one pixel structure, and the pixel structure shown in FIG. 3a to FIG. 3d may also be included. These structures will be described with specific examples in the following sections.

Optionally, in the present application, the preset extending direction further includes: a diagonal line, where the diagonal line is defined based on a pixel structure including the first sub-pixel and the second sub-pixel. Still referring to FIG. 2, in the pixel structure, in the two diagonal directions (the diagonal directions are indicated by dotted lines), the third sub-pixel 23, the fourth sub-pixel 24 and the second sub-pixel 22 combine to present white light, The first sub-pixel 21 and the second sub-pixel 22 combine to present white light to compensate for the white light in the diagonal direction, thereby increasing the brightness of the white light in the diagonal direction. In fact, brightness compensation in the diagonal direction can also be understood as decomposing the white light compensated in the diagonal direction into the row and column directions, which can also be understood as brightness compensation in the row and column directions. In short, the white light compensation effect is also achieved in the diagonal direction, which further improves the brightness of the white light and the display clarity.

Optionally, in the pixel structure involved in the present application, in one of the preset extending directions, the first sub-pixel is directly adjacent to the second sub-pixel, or the first sub-pixel is directly adjacent to the second sub-pixel. The second sub-pixel is spaced by the third sub-pixel and/or the fourth sub-pixel.

2, in the first row of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other, so that the brightness of the white light presented by the combination is higher, and the white light compensation effect is better; The same is true for the second row, the third row and the fourth row, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other. Moreover, in the first row and the third row, the third sub-pixel 23, the fourth sub-pixel 24 and the three sub-pixels of the second sub-pixel 22 are adjacent to each other in turn, so that the brightness of the white light presented by the combination is also relatively high, which further ensures Display brightness and clarity. In the second row and the fourth row, the fourth sub-pixel 24 is directly adjacent to the third sub-pixel 23, and the first sub-pixel 21 is separated from the second sub-pixel 22. In this way, white light can also be realized. Compensation effect, but the effect is slightly worse than the first line.

In the first column of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other, so that the brightness of the white light presented in combination is higher, and the white light compensation effect is better; The pixels 22 are directly adjacent to each other, and the first sub-pixel 21 is separated from the fourth sub-pixel sub-24. Similarly, the second column has a similar arrangement of pixels, which is not repeated here. In the third column, the second sub-pixel 22 and the first sub-pixel 21 are separated by a third sub-pixel 23 and a fourth sub-pixel 24. Therefore, the difference between the second sub-pixel 22 and the first sub-pixel 21 is two There are several sub-pixels, and then the brightness of the white light presented by the combination is low, which has a white light compensation effect; similarly, the structures and effects in the fourth column are similar.

Optionally, the first subpixel is directly adjacent to the second subpixel in all row or column directions. Referring to FIG. 2 , in all rows of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other, so that a higher and uniform white light compensation effect can be obtained in each row. Up to increase the display brightness, and the display is uniform.

In addition, as shown in FIG. 3a, in all rows of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other, so that a higher and uniform white light compensation can be ensured in each row; In addition, in all columns of the pixel structure, there is one sub-pixel (the third sub-pixel 23 or the fourth sub-pixel 24) between the first sub-pixel 21 and the second sub-pixel 22, so that although the white light compensation effect is not as good as In the row direction, however, the white light compensation performed is also uniform. Therefore, in the pixel structure shown in FIG. 3a, the white light compensation effect is relatively uniform.

Referring to Fig. 3b, in all the rows of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other, so that high and uniform white light compensation can be guaranteed in each row; in addition, In the first to third columns of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are also directly adjacent to each other, and similarly, higher white light compensation can be guaranteed; only in the fourth column, the first sub-pixel 21 and the second sub-pixel 22 are also directly adjacent. There are two sub-pixels (the third sub-pixel 23 and the fourth sub-pixel 24) between the sub-pixel 21 and the second sub-pixel 22. Obviously, the white light compensation effect of the fourth column is not good, but it also has a certain brightness. Compensation effect. Therefore, in the pixel structure shown in FIG. 3b, the white light compensation effect is high.

Referring to FIG. 3c, in the pixel structure, in the first row, the second row and the fourth row, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other. High and uniform white light compensation; and in the third row, there are two sub-pixels (the third sub-pixel 23 and the fourth sub-pixel 24) between the first sub-pixel 21 and the second sub-pixel 22. Obviously, the first sub-pixel 21 and the second sub-pixel 22 are separated by two sub-pixels. The white light compensation effect of the three lines is not good, but it also has a certain brightness compensation effect. In addition, in the first column of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are also directly adjacent to each other, and similarly, high white light compensation can be guaranteed; only in the second column, the first sub-pixel 21 and the second sub-pixel 22 are separated by a third sub-pixel 23; in the third column, the first sub-pixel 21 and the second sub-pixel 22 are separated by a third sub-pixel 23 and a fourth sub-pixel 24 In the fourth column, there is a fourth sub-pixel 24 between the first sub-pixel 21 and the second sub-pixel 22; obviously, the white light compensation effect of these three columns is not good, but it also plays a certain brightness compensation Effect. Therefore, the pixel structure shown in FIG. 3c has a certain white light compensation effect.

Referring to FIG. 3d, in the pixel structure, in the first row, the third row and the fourth row, the first sub-pixel 21 and the second sub-pixel 22 are directly adjacent to each other. high and uniform white light compensation; and in the second row, there are two sub-pixels (the third sub-pixel 23 and the fourth sub-pixel 24) between the first sub-pixel 21 and the second sub-pixel 22. Obviously, the first sub-pixel 21 and the second sub-pixel 22 are separated by two sub-pixels The white light compensation effect of the second line is not good, but it also has a certain brightness compensation effect. In addition, in the second and fourth columns of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are also directly adjacent to each other, and similarly, higher white light compensation can be guaranteed; only in the first and fourth columns In the three columns, there is a fourth sub-pixel 24 between the first sub-pixel 21 and the second sub-pixel 22; obviously, the white light compensation effect of these two columns is not good, but it also has a certain brightness compensation effect. Therefore, the pixel structure shown in FIG. 3d has a certain white light compensation effect.

In fact, in the solution of the present application, other pixel structures with similar arrangements may also be included. This application does not list them one by one, as long as the above conditions of the present application are met, that is: the first sub-pixels arranged in the preset extension direction and the The second sub-pixel, the preset extending direction at least includes: rows and/or columns; the first color corresponding to the first sub-pixel and the second color corresponding to the second sub-pixel can be combined to present white light; Programs covered by the application.

Optionally, in the present application, the first sub-pixel and the second sub-pixel can be driven to light up at the same time; or, the second sub-pixel, the third sub-pixel and the fourth sub-pixel can be are simultaneously driven to light up.

When driving the pixel structure involved in this application, it is necessary to consider the original intention of designing the pixel structure, which is to perform white light compensation. Therefore, when using the pixel structure (taking the pixel structure shown in FIG. 2 as an example), refer to Figures 4a-4c and Figures 5a-5c are driven in the manner shown.

Specifically, referring to FIG. 4a, in the same row or column of the pixel structure, the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time (at this time, the driving and lighting are represented by hatching), while the third sub-pixel 21 and the second sub-pixel 22 are driven and illuminated at the same time. The sub-pixel 23 and the fourth sub-pixel 24 may not be lit. Alternatively, as shown in FIG. 4b, the first subpixel 21 and the second subpixel 22 are driven to light up at the same time, and while the second subpixel 22 is driven to light up, the third subpixel 23 and the fourth subpixel 24 are simultaneously driven to light up. Alternatively, as shown in FIG. 4 c , the second sub-pixel 22 , the third sub-pixel 23 and the fourth sub-pixel 24 are simultaneously driven and turned on, while the first sub-pixel 21 is not turned on.

In addition, as shown in FIG. 5a, in the pixel structure, in the first row and the third row: the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time, while the third sub-pixel 23 and the third sub-pixel 23 and the The four sub-pixels 24 may not be lit; in the second row and the fourth row: the second sub-pixel 22, the third sub-pixel 23 and the fourth sub-pixel 24 are driven to be lit at the same time, while the first sub-pixel 21 is not lit . Alternatively, as shown in FIG. 5b, in the first row and the third row: the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time, while the third sub-pixel 23 and the fourth sub-pixel 24 may not be lighted up In the second row and the fourth row: the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time, and while the second sub-pixel 22 is driven to light up, the third sub-pixel 23 and the fourth sub-pixel 23 are driven to light up at the same time. The pixels 24 are simultaneously driven to light up. Alternatively, as shown in FIG. 5c, the second sub-pixel 22, the third sub-pixel 23 and the fourth sub-pixel 24 are driven to light up at the same time, while the first sub-pixel 21 is not lighted up; in the second and fourth rows: The first subpixel 21 and the second subpixel 22 are driven to light up simultaneously, and while the second subpixel 22 is driven to light up, the third subpixel 23 and the fourth subpixel 24 are simultaneously driven to light up.

In fact, not only the three types shown in Figures 5a-5c above, if "the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time, and the third sub-pixel 23 and the fourth sub-pixel 24 may not be lighted "Defined as driving mode 1," the first sub-pixel 21 and the second sub-pixel 22 are driven to light up at the same time, and while the second sub-pixel 22 is driven to light up, the third sub-pixel 23 and the fourth sub-pixel 24 Driven and illuminated at the same time” is defined as driving mode 2, and “the second sub-pixel 22, the third sub-pixel 23 and the fourth sub-pixel 24 are simultaneously driven and illuminated, while the first sub-pixel 21 is not illuminated” is defined as the driving mode 3. Then, in each pixel structure, each row or column can be combined by selecting any driving mode to realize the overall driving of the pixel structure, so this application does not limit it.

Optionally, in this application, considering that the luminous efficiency of the borrowed second sub-pixel may be low, for example, when the second color corresponding to the second sub-pixel is blue, the second sub-pixel emits The blue light efficiency is not high, therefore, the area of the second sub-pixel can be made larger than that of the other sub-pixels. Wherein, the other sub-pixels include at least the first sub-pixel, and may also include a third sub-pixel and a fourth sub-pixel.

Optionally, in this application, the first color corresponding to the first sub-pixel 21 is yellow Y, the second color corresponding to the second sub-pixel is blue B; the third color corresponding to the third sub-pixel is red R, The fourth color corresponding to the fourth sub-pixel is green G.

Referring specifically to FIG. 6a, it is a schematic structural diagram of the corresponding colors in FIG. 2, wherein the first row is arranged as RGBY, the second row is arranged as BYRG, the third row is arranged as YBGR, and the fourth row is arranged as GRYB; in addition, referring to FIG. 6b, which is a schematic diagram of other similar pixel structures involved in the application, wherein the first row is arranged as GRYB, the second row is arranged as YBRG, the third row is arranged as BYGR, and the fourth row is arranged as BYGR. The row arrangement is GRBY; as shown in Figure 6c, the first row is arranged as GRBY, the second row is arranged as BYGR, the third row is arranged as YBRG, and the fourth row is arranged as RGYB; One row is arranged as GRYB, the second row is arranged as YBRG, the third row is arranged as BYGR, and the fourth row is arranged as GRBY; thus, white light is presented by combining the yellow first sub-pixel and the blue second sub-pixel, using In order to compensate the white light in the row, column and diagonal directions of the pixel structure, the brightness and definition of the pixel structure are improved.

It should be understood that in this application, preferably, the first color corresponding to the first sub-pixel is yellow, and the second color corresponding to the second sub-pixel is blue, because the combination of yellow and blue has a better effect of presenting white light. In fact, the present application does not exclude the way of using other colors to combine to present white light.

It should be noted that, in this application, the pixel arrangement shown is only a schematic representation, and does not represent the actual number of arrangements.

Meanwhile, an embodiment of the present application also provides a display panel, which includes the pixel structure involved in any of the foregoing embodiments. Among them, in the display panel, the arrangement of the pixel structures is preferably an array arrangement of a plurality of the same pixel structure, and the present application can also choose the arrangement of different pixel structures, for example, in FIG. 6a and FIG. 6b The arrangement of the pixel structure.

The present application also provides a display device including the above-mentioned display panel. In addition, the display device may be any product or component with a display function, such as a mobile phone, a tablet computer, a TV, a monitor, a notebook computer, a digital photo frame, a navigator, and a smart wearable device. Other essential components of the display device should be understood by those of ordinary skill in the art, and will not be repeated here, nor should it be used as a limitation to the present application.

The above descriptions are merely examples of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims (8)

1. A pixel structure, comprising:

the pixel structure comprises a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel which are arranged in a preset extending direction, wherein the preset extending direction at least comprises: row, column and diagonal;

in a pixel structure, one first sub-pixel, one second sub-pixel, one third sub-pixel and one fourth sub-pixel are arranged in the preset extending direction;

the first color corresponding to the first sub-pixel and the second color corresponding to the second sub-pixel can be combined to present white light;

the third color corresponding to the third sub-pixel, the fourth color corresponding to the fourth sub-pixel and the second color corresponding to the second sub-pixel can be combined in the preset extending direction to present white light.

2. The pixel structure according to claim 1, wherein in one of the predetermined extending directions, the first sub-pixel is directly adjacent to the second sub-pixel, or the third sub-pixel and/or the fourth sub-pixel are spaced between the first sub-pixel and the second sub-pixel.

3. The pixel structure of claim 2, wherein the first subpixel is directly adjacent to the second subpixel in all row or column directions.

4. The pixel structure according to claim 1, wherein the first sub-pixel and the second sub-pixel are capable of being driven to light up simultaneously; or the like, or a combination thereof,

the second sub-pixel, the third sub-pixel and the fourth sub-pixel can be driven to light up simultaneously.

5. The pixel structure of claim 1, wherein the second subpixel has an area greater than the other subpixels.

6. The pixel structure according to claim 1, wherein the first color corresponding to the first sub-pixel is yellow and the second color corresponding to the second sub-pixel is blue;

the third color corresponding to the third sub-pixel is red, and the fourth color corresponding to the fourth sub-pixel is green.

7. A display panel comprising the pixel structure of any one of claims 1-6.

8. A display device characterized by comprising the display panel according to claim 7.

Images