CN218122906U - Display panel and display device - Google Patents

Abstract

The utility model discloses a display panel and display device. The display panel includes a plurality of display module and concatenation lamp plate, and the concatenation lamp plate is located the junction between the display module, and the concatenation lamp plate includes the sub-pixel of base plate and multiple colour, and the sub-pixel is arranged on the base plate array, sets up the sub-pixel to the same colour on every line of base plate, sets up the sub-pixel to multiple colour on every of base plate. In the utility model, each row of the spliced lamp panel is provided with a plurality of colors of sub-pixels, and visible light emitting a plurality of colors is fused to form uniform color light to cover the splicing part of the display module; meanwhile, when the display panel is watched in the left-right viewing angle side-viewing direction, the phenomenon of color cast of partial red, partial green or partial blue generated in the left-right side-viewing direction of the display panel due to the fact that the color of the sub-pixels in the column direction of the spliced lamp panel is red, green or blue and the like can be avoided, and the display effect of the display panel is improved.

Description

Display panel and display device

Technical Field

The utility model relates to a show technical field, especially relate to a display panel and display device.

Background

At present, the display panel is developed towards a large size, and the splicing technology is applied more and more based on the production process and the production cost. In an LCD (liquid crystal display) panel, a large-size display panel is obtained by splicing small-size liquid crystal display modules. However, gaps are generated at the splicing positions of the display modules, and in order to eliminate the gaps, the Mini-LED (ultra small light emitting diode) lamp panels are arranged at the splicing positions in most of the existing solutions.

In the production process, the Mini-LED lamp panel has the problem of side-looking color cast, namely, the phenomenon of red cast, green cast or blue cast can occur when the light rays of the Mini-LED lamp panel are seen from the left and right visual angles of human eyes.

SUMMERY OF THE UTILITY MODEL

Based on not enough among the above-mentioned prior art, the utility model aims at providing a display panel and display device can alleviate display panel and look sideways at the problem of colour cast.

In order to realize the above object, the utility model discloses at first provide a display panel, including a plurality of display modules and concatenation lamp plate, the concatenation lamp plate is located the junction between the display module, and the concatenation lamp plate includes the sub-pixel of base plate and multiple colour, and the sub-pixel is arranged on the base plate array, sets up the sub-pixel to the same colour on every line of base plate, sets up the sub-pixel to multiple colour on each of base plate.

Optionally, the sub-pixels include red, green and blue sub-pixels, and one red, one green and one blue sub-pixel is one period and is cyclically arranged on each column of the substrate.

Optionally, the red sub-pixel is disposed on row 1+3N of the substrate, the green sub-pixel is disposed on row 2+3N of the substrate, the blue sub-pixel is disposed on row 3+3N of the substrate, and N is a natural number.

Optionally, the arrangement direction of the sub-pixels is the same as the arrangement direction of the display pixels on the display module, the shape of the sub-pixels includes a rectangle, and the sub-pixels include a long side and a short side.

Optionally, the arrangement direction of the sub-pixels includes a transverse direction, and the long sides of the sub-pixels are parallel to the row direction of the substrate.

Optionally, the arrangement direction of the sub-pixels includes a vertical direction, and the long sides of the sub-pixels are parallel to the column direction of the substrate.

Optionally, a splicing portion is formed on an edge of the substrate parallel to the row direction, and the display module is connected to the splicing portion.

Optionally, the short side of the substrate is parallel to the row direction of the substrate, and the splice is located on the short side of the substrate.

Optionally, the long side of the substrate is parallel to the row direction of the substrate, and the splice is located on the long side of the substrate.

The utility model provides a display device simultaneously, including foretell display panel.

Compared with the prior art, the beneficial effects of the utility model include: the utility model discloses a display panel includes a plurality of display module and concatenation lamp plate, and the concatenation lamp plate is located the junction between the display module, and the concatenation lamp plate includes the sub-pixel of base plate and multiple colour, and the sub-pixel is arranged on the base plate array, sets up to the sub-pixel of the same colour on every line of base plate, sets up to the sub-pixel of multiple colour on each of base plate. In the utility model, each row of the spliced lamp panel is provided with sub-pixels with multiple colors, and visible lights with multiple colors are fused to form a spliced part with uniform color light covering the display module; meanwhile, when the display panel is watched in the left-right viewing angle side-viewing direction, the phenomenon of color cast of partial red, partial green or partial blue generated in the left-right side-viewing direction of the display panel due to the fact that the color of the sub-pixels in the column direction of the spliced lamp panel is red, green or blue and the like can be avoided, and the display effect of the display panel is improved.

Drawings

In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram i of a spliced lamp panel in the prior art;

FIG. 2 is a schematic structural diagram II of a spliced lamp panel in the prior art;

FIG. 3 is a top view of a prior art light emitting chip;

FIG. 4 is a side view of a prior art light emitting chip;

fig. 5 is a schematic structural diagram of a display panel according to an embodiment of the present invention;

fig. 6 is a first schematic structural view of the spliced lamp panel according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of a spliced lamp panel according to an embodiment of the present invention;

fig. 8 is a third schematic structural view of the spliced lamp panel according to the embodiment of the present invention;

fig. 9 is a schematic structural diagram of a spliced lamp panel according to an embodiment of the present invention;

fig. 10 is a cross-sectional view of a display device according to an embodiment of the present invention.

Detailed Description

The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the module or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Along with the requirement of people on the size of the display panel is higher and higher, in the large-size LCD display panel, the Mini LED spliced lamp panel can eliminate the gap black stripes generated by splicing the display modules.

In the prior art, the pixel arrangement mode shown in fig. 1 and fig. 2 is mostly adopted for both the horizontally spliced lamp panel and the vertically spliced lamp panel. In fig. 1, the spliced lamp panel is a vertical lamp panel, and the spliced edge L is on the edge of the upper and lower visual angles of the lamp panel; in fig. 2, the spliced lamp panel is a transverse lamp panel, and the spliced edge L is on the edge of the lamp panel at the left and right visual angles. In fig. 1 and 2, the sub-pixels on the same column are of the same color, which causes a color shift from a left-right viewing angle side view. In addition, as shown in fig. 3 and 4, when the LED is fabricated, the sub-pixel light-emitting chip C has poor flatness, and the chip is skewed, which may cause a color shift in a side view.

Therefore, the utility model provides a display panel at first, as shown in fig. 5 to 7, including a plurality of display module 2 and concatenation lamp plate 1, concatenation lamp plate 1 is located the junction between the display module, and concatenation lamp plate 1 includes the sub-pixel 12 of base plate 11 and multiple colour, and sub-pixel 12 is arranged on base plate 11 array, sets up the sub-pixel 12 to the same colour on every line of base plate 11, sets up the sub-pixel 12 to multiple colour on each of base plate 11.

In this embodiment, the row direction of the substrate 11 is a direction parallel to the left and right lateral viewing angles, and the column direction of the substrate 11 is a direction parallel to the up and down vertical viewing angles. The spliced lamp panel 1 is a Mini LED spliced lamp panel 1. The display module is an LCD display module.

Each row of this embodiment concatenation lamp plate has the sub-pixel 12 of multiple colour, and the visible light that sends multiple colour fuses the even light of formation colour, covers the black seam of concatenation department between the display module 2. Meanwhile, when the display panel is viewed from the left and right side viewing directions, the phenomenon of color cast of over red, over green or over blue in the left and right side viewing directions of the display panel caused by the fact that the colors of the sub-pixels 12 in the row direction of the spliced lamp panel 1 are all red, green or blue and the like can be avoided; meanwhile, when the flatness of the light emitting chip of the sub-pixel 12 is not good, the display effect of the display panel can be improved.

In this embodiment, look inclined to one side phenomenon can not appear in the lamp plate under controlling arbitrary visual angle, also does not look inclined to one side phenomenon within 45 at upper and lower visual angle, can satisfy display panel's the demand of watching.

In this embodiment, the sub-pixel 12 includes a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, and one red sub-pixel R, one green sub-pixel G, and one blue sub-pixel B are cyclically arranged on each column of the substrate 11. Wherein, the arrangement sequence in the period can be any one of the following sequences:

a red subpixel R, a green subpixel G, and a blue subpixel B;

a red subpixel R, a blue subpixel B, and a green subpixel G;

a green subpixel G, a red subpixel R, and a blue subpixel B;

a green sub-pixel G, a blue sub-pixel B and a red sub-pixel R;

a blue subpixel B, a green subpixel G, and a red subpixel R;

a blue subpixel B, a red subpixel R, and a green subpixel G.

In one embodiment, red subpixel R is disposed on row 1+3N of substrate 11, green subpixel G is disposed on row 2+3N of substrate 11, blue subpixel B is disposed on row 3+3N of substrate 11, and N is a natural number. For example, when N =0, there are three rows of sub-pixels 12 on the substrate 11, the red sub-pixel R is disposed on the 1 st row of the substrate 11, the green sub-pixel G is disposed on the 2 nd row of the substrate 11, and the blue sub-pixel B is disposed on the 3 rd row of the substrate 11. When, for example, N =1, there are six rows of sub-pixels 12 on the substrate 11, the red sub-pixels R are arranged in the 1 st and 4 th rows of the substrate 11, the green sub-pixels G are arranged in the 2 nd and 5 th rows of the substrate 11, and the blue sub-pixels B are arranged in the 3 rd and 6 th rows of the substrate 11. When, for example, N =2, there are nine rows of sub-pixels 12 on the substrate 11, the red sub-pixels R are disposed on the 1 st, 4 th and 7 th rows of the substrate 11, the green sub-pixels G are disposed on the 2 nd, 5 th and 8 th rows of the substrate 11, and the blue sub-pixels B are disposed on the 3 rd, 6 th and 9 th rows of the substrate 11.

In one embodiment, the sub-pixels 12 are arranged in the same direction as the display pixels on the display module 2, the shape of the sub-pixels 12 includes a rectangle, and the sub-pixels 12 include a long side and a short side. Can make concatenation lamp plate 1 and display module 2 better integrate like this, promote display panel's display effect.

As shown in fig. 6 and 7, the arrangement direction of the sub-pixels 12 includes a transverse direction, and the long sides of the sub-pixels 12 are parallel to the row direction of the substrate 11. When the sub-pixels 12 are arranged horizontally, they are kept on the same straight line in the row direction, so as to avoid the occurrence of skew and ensure the light-emitting effect.

As shown in fig. 8 and 9, the sub-pixels 12 may be arranged in a vertical direction, and the long sides of the sub-pixels 12 are parallel to the column direction of the substrate 11. When the sub-pixels 12 are vertically arranged, the sub-pixels are kept on the same straight line in the column direction, so that the skew is avoided, and the light emitting effect is ensured.

Specifically, the arrangement of the sub-pixels 12 may be selected according to the design requirement of the display panel, so as to ensure that the colors of the sub-pixels 12 arranged in the column direction of the substrate 11 are not the same.

In one embodiment, a joint 111 is formed on an edge of the substrate 11 parallel to the row direction, and the display module 2 is connected to the joint 111. Like this, concatenation gap between the display module 2 can be eliminated to concatenation lamp plate 1.

Specifically, as shown in fig. 6, when the substrate 11 is a vertical rectangle, the short side of the substrate 11 is parallel to the row direction of the substrate 11, and the splice 111 is located on the short side of the substrate 11.

As shown in fig. 7, when the substrate 11 is a transverse rectangle, the long side of the substrate 11 is parallel to the row direction of the substrate 11, and the splice 111 is located on the long side of the substrate 11.

Specifically, the arrangement mode of the substrate 11 may be selected according to the design requirement of the display panel, and it is sufficient to ensure that the colors of the sub-pixels 12 arranged in the column direction of the substrate 11 are not the same color.

In this embodiment display panel, each row of concatenation lamp plate has the sub-pixel 12 of multiple colour, and the visible light that sends multiple colour fuses the even light of formation colour, covers the black seam of concatenation department between the display module 2. Meanwhile, when the display panel is viewed in the left-right viewing angle side-viewing direction, the phenomenon of color cast of partial red, partial green or partial blue in the left-right viewing direction of the display panel due to the fact that the color of the sub-pixels 12 in the row direction of the spliced lamp panel 1 is a single color such as red, green or blue can be avoided; meanwhile, when the flatness of the light emitting chip of the sub-pixel 12 is not good, the display effect of the display panel can be improved.

The embodiment of the present invention further provides a display device, which includes the display panel 100 provided by the above embodiment. Specifically, the display device of the present embodiment further includes a backlight module 200, and the display panel 100 is located on a light emitting surface side of the backlight module 200. The display panel 100 is an LCD (liquid crystal display) panel.

In the display device of this embodiment, the display panel 100 includes a plurality of tiled lamp panels 1, the tiled lamp panel 1 includes a substrate 11 and a plurality of color sub-pixels 12, the sub-pixels 12 are arranged in an array on the substrate 11, the same color sub-pixels 12 are set on each row of the substrate 11, and the plurality of color sub-pixels 12 are set on each column of the substrate 11.

Alternatively, the sub-pixels 12 include a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, and one red sub-pixel R, one green sub-pixel G, and one blue sub-pixel B are cyclically arranged on each column of the substrate 11. The red sub-pixel R is disposed on row 1+3N of the substrate 11, the green sub-pixel G is disposed on row 2+3N of the substrate 11, and the blue sub-pixel B is disposed on row 3+3N of the substrate 11, N being a natural number. The arrangement direction of the sub-pixels 12 is the same as that of the display pixels on the display module 2, the shape of the sub-pixels 12 includes a rectangle, and the sub-pixels 12 include a long side and a short side. The arrangement direction of the sub-pixels 12 includes a lateral direction, and the long sides of the sub-pixels 12 are parallel to the row direction of the substrate 11. The arrangement direction of the sub-pixels 12 may also be vertical, and the long sides of the sub-pixels 12 are parallel to the column direction of the substrate 11. The substrate 11 is formed with a splice 111 on an edge parallel to the row direction, and the display module 2 is connected to the splice 111. When the substrate 11 is a vertical rectangle, the short side of the substrate 11 is parallel to the row direction of the substrate 11, and the splice 111 is located on the short side of the substrate 11. When the substrate 11 is a transverse rectangle, the long side of the substrate 11 is parallel to the row direction of the substrate 11, and the splice 111 is located on the long side of the substrate 11.

Each row of the concatenation lamp plate of this embodiment has the sub-pixel 12 of multiple colour, and the visible light that sends multiple colour fuses the even light of formation colour, covers the black seam of concatenation department between the display module 2. Meanwhile, when the display panel is viewed from the left and right side viewing directions, the color cast phenomenon that the color cast of red, green or blue is generated in the left and right side viewing directions of the display panel due to the fact that the color of the sub-pixels 12 in the column direction of the spliced lamp panel is a single color such as red, green or blue can be avoided; meanwhile, when the flatness of the light emitting chip of the sub-pixel 12 is not good, the display effect of the display panel can be improved.

In one embodiment, as shown in fig. 10, in the present embodiment, the backlight module 200 may further include a diffuser film 201, a brightness enhancement layer 202, a microlens array layer 203, and a backlight source 204. The light emitted by the backlight source 204 can be diffused through the diffusion film 201 first, so that the light can be uniformly distributed after passing through the diffusion film 201, the brightness enhancement layer 202 is used for concentrating the light passing through the diffusion film 201, so that the light diffused at the periphery of a bright area can be concentrated into the display area of the display panel 100 as much as possible, so as to reduce the brightness of a non-display area, the micro-lens array layer 203 is used for adjusting all the light into light parallel to each other, the micro-lens array layer 203 is used for further concentrating the light from the brightness enhancement layer 202 and converting the light into light parallel to each other, so that the light at the periphery of the display area can be greatly reduced, the brightness of the non-display area at the periphery of the display area is reduced, and the contrast of the display area of the display panel in the view of the display area side is improved. Therefore, in this embodiment, the combination of the diffuser film 201, the brightness enhancement layer 202, and the microlens array layer 203 can make the light converge more intensively, provide a better backlight source for the display panel, and improve the display effect of the display panel.

In one embodiment, the diffusion film 201 includes a scratch-resistant layer, a PET (Polyethylene Terephthalate) film, and a diffusion layer, wherein the PET film is disposed on the scratch-resistant layer, the diffusion layer is disposed on the PET film, the scratch-resistant layer disperses diffusion particles between resin layers, and the diffusion layer also disperses the diffusion particles between resin layers, so that light continuously passes through two different media when passing through the diffusion layer, and thus the light is continuously refracted, reflected, and scattered, and an optical diffusion effect is achieved, so that the light is uniformly dispersed.

In this embodiment, the Brightness Enhancement layer 202 may be BEF (Brightness Enhancement Film, or prism sheet), which is an optical Film material that concentrates divergent light, so that BEF can concentrate the Brightness of light divergent around the bright area as much as possible in the area of the displayed picture, thereby reducing the Brightness of the non-display area.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a display panel, its characterized in that includes a plurality of display module and concatenation lamp plate, the concatenation lamp plate is located junction between the display module, the concatenation lamp plate includes the sub-pixel of base plate and multiple colour, the sub-pixel is in array arranges on the base plate, set up to the same colour on every line of base plate the sub-pixel, set up to multiple colour on every line of base plate the sub-pixel.

2. The display panel according to claim 1, wherein the sub-pixels include red sub-pixels, green sub-pixels, and blue sub-pixels, and one of the red sub-pixels, one of the green sub-pixels, and one of the blue sub-pixels are cyclically arranged on each column of the substrate.

3. The display panel of claim 2, wherein the red sub-pixel is disposed on row 1+3n of the substrate, the green sub-pixel is disposed on row 2+3n of the substrate, and the blue sub-pixel is disposed on row 3+3n of the substrate, where N is a natural number.

4. The display panel according to claim 1, wherein the sub-pixels are arranged in the same direction as the display pixels on the display module, the shape of the sub-pixels comprises a rectangle, and the sub-pixels comprise a long side and a short side.

5. The panel according to claim 4, wherein the arrangement direction of the sub-pixels includes a lateral direction, and a long side of the sub-pixels is parallel to a row direction of the substrate.

6. The display panel according to claim 4, wherein the arrangement direction of the sub-pixels includes a vertical direction, and a long side of the sub-pixels is parallel to a column direction of the substrate.

7. The display panel according to any one of claims 1 to 6, wherein a joint is formed on an edge of the substrate parallel to the row direction, and the display module is connected to the joint.

8. The display panel of claim 7, wherein the short sides of the substrate are parallel to the row direction of the substrate, and the splices are located on the short sides of the substrate.

9. The display panel according to claim 7, wherein the long side of the substrate is parallel to the row direction of the substrate, and the stitching is located on the long side of the substrate.

10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.

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