The disclosure relates to the field of electronic technology, and more particularly to a curved display panel and a display apparatus.
More and more liquid crystal display panels use the curved display, because of the new viewing experience, curved display technology is also slowly accepted by consumers, so the curved display technology has gradually become a new direction of development.
The curved screen is generally designed in the same way as the flat screen. But, when the flat screen is actually bent, the portion of the curved surface are prone to be color shift or lack of penetration, so that the uneven picture is caused, especially the stress effect and uneven pixels produced by the bending of the glass, so that the picture quality is not high when viewed on the side.
The present embodiment provides a curved display panel and an apparatus which can reduce the amount of deformation of the pixel units when the panel is bent and improve the unevenness of the cell thickness caused by the large partial stress when both sides of the panel are bent.
In one aspect, the disclosure provides a curved display panel including:
an active array substrate;
a plurality of pixel units formed on the active array substrate, each of the pixel units including a plurality of monochromatic sub-pixel units arranged in an array, the plurality of monochromatic sub-pixel units being different in color, the monochromatic sub-pixel unit being a rectangular structure, and a long side of the monochromatic sub-pixel unit being parallel to a bending direction of the panel;
an opposite substrate disposed opposite to the active array substrate; and
spacers disposed between the active array substrate and the opposite substrate, a distribution density of the spacer being gradually increased from middle of the display panel toward both curved sides.
In another aspect, the present embodiment of the disclosure provides a curved display panel including:
an active array substrate;
a plurality of pixel units formed on the active array substrate, wherein each of the pixel units includes at least three monochromatic sub-pixel units arranged in an array, the at least three monochromatic sub-pixel units are different in color, the monochromatic sub-pixel unit being a rectangular structure, and a long side of the monochromatic sub-pixel unit being parallel to a bending direction of the display panel;
an opposite substrate disposed opposite to the active array substrate; and
spacers disposed between the active array substrate and the opposite substrate, wherein a distribution density of the spacer being symmetrically increased from middle of the display panel toward both curved sides, the spacer including a main body and an auxiliary body, the auxiliary body being lower than the main body in height, being provided on the main body side, and a hardness of the auxiliary body being greater than that of the main body.
The monochromatic sub-pixel unit surface is etched with an alignment pattern, and a ratio between the alignment patterns is changed with a curvature of the display panel at a current position.
In further another aspect, the present embodiment of the disclosure provides a curved display apparatus including:
a control parts;
a curved display panel including:
an active array substrate;
a plurality of pixel units formed on the active array substrate, each of the pixel units including an array of a plurality of monochromatic sub-pixel units, the plurality of monochromatic sub-pixel units being different in color, the monochromatic sub-pixel unit being a rectangular structure, a long side of the monochromatic sub-pixel unit being parallel to a bending direction of the panel;
an opposite substrate disposed opposite to the active array substrate;
and spacers disposed between the active array substrate and the opposite substrate, and a distribution density of the spacer being gradually increased from middle of the panel toward both curved sides.
In the curved display panel and the apparatus of the present embodiment of the disclosure, the smaller portion of the pixel unit is made to be on the bending line of the curved surface by changing the arrangement of the pixel units, and the distribution density is gradually increased from middle of the panel to both curved sides by changing the distribution density of the spacers in the panel, thereby the area change of the pixel unit when bending is reduced, and the unevenness of the cell thickness caused by the large partial stress at both sides of the panel when bending is improved, so as to achieve better picture quality when viewed on the side.
The following sections offer a clear, complete description of the disclosure in combination with the embodiments and accompanying drawings. Obviously, the embodiments described herein are only a part of, but not all of the embodiments of the disclosure. In view of the embodiments described herein, any other embodiment obtained by the person skilled in the field without offering creative effort is included in a scope claimed by the disclosure.
The following sections offer a clear, complete description of the disclosure in combination with the embodiments and accompanying drawings. Obviously, the embodiments described herein are only a part of, but not all of the embodiments of the disclosure. In view of the embodiments described herein, any other embodiment obtained by those of ordinary skill in the art skilled in this art without offering creative effort is included in a scope claimed by the disclosure.
It should be understood that the terms “includes”, “comprises” and/or “comprising,” when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should further be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Referring to
Specifically, the display panel 400 includes an active array substrate 410 and a opposite substrate 430 disposed opposite thereto. The active array substrate 410 includes a plurality of pixel units, each pixel unit includes a plurality of monochromatic sub-pixel units 411 arranged in an array. The plurality of monochromatic sub-pixel units 411 are different in color, the monochromatic sub-pixel unit 411 is a rectangular structure, and a long side of the monochromatic sub-pixel unit is parallel to a bending direction of the display panel, the size of the monochromatic sub-pixel unit 411 along the direction of the bending line of the display panel 400 is smaller than the size of the other directions of the monochromatic sub-pixel unit 411, that is, when the panel 400 is bent, the size of the monochromatic sub-pixel unit 411 in the direction of the bending line 450 of the panel 400 is the smallest size of the monochromatic sub-pixel unit 411.Take a liquid crystal display panel as an example, the liquid crystal layer 420 and the spacers 440 are disposed between the active array substrate 410 and the opposite substrate 430, the spacers 440 is used for supporting the active array substrate 410 and the opposite substrate 430 when external force is applied, and the distribution density of the spacers 440 is gradually increased from middle of the panel 400 toward both curved sides. Due to the bending of the panel 400, the internal stress of the panel 400 is gradually increased from the middle of the panel 400 toward both curved sides, the distribution density of the spacers 440 is increased correspondingly to counteract the partial stress of the different portions, that is, as shown in
By changing the arrangement of the monochromatic sub-pixel units 411 to make the smallest portion of the monochromatic sub-pixel units 411 on the bending line of the curved surface and changing the distribution density of the spacers 440 in the panel 400 to make the distribution density of the spacers 440 gradually increase from the middle of the panel 400 toward both curved sides, thereby area change of the monochromatic sub-pixel units 411 during bending is reduced, and the problem of unevenness of the cell thickness due to the large partial stress when both sides of the panel 400 are bent is improved, so that better picture quality of the display panel in the side view can also be achieved.
In some embodiments, the curved display panel may be, for example, a twisted nematic liquid crystal display panel, a planar conversion type liquid crystal display panel, a multi-quadrant vertical alignment type liquid crystal display panel, an OLED curved display panel, a QLED curved display panel, or others.
Specifically, the pixel unit includes a plurality of monochromatic sub-pixel units 411 different in color and arranged adjacent to each other along the direction of the bending line 450 of the display panel 400.
Specifically, each pixel unit consists of a plurality of monochromatic sub-pixel units 411, for example, it may consist of three monochromatic sub-pixel units 411, which are the sub-pixel monochromatic units 411 of R, G, B, respectively, and the three monochromatic sub-pixel units 411 are arranged adjacent to each other along the bending line 450.
Referring to
Specifically, referring to
Further, the surface of the monochromatic sub-pixel unit 411 is etched with an alignment pattern, and the ratio between the alignment patterns is changed with the curvature of the display panel at a current position.
Referring to
The alignment pattern of the monochromatic sub-pixel unit 411 at each curvature position on the panel 400 should be preliminarily considered how it has deformed after bending, thus according to the amount of deformation of the monochromatic sub-pixel unit 411 at each curvature position after bending, the area of the alignment pattern of the monochromatic sub-pixel unit 411 in the planar state is compensated, so as to allow the ratio of the alignment pattern of the monochromatic sub-pixel unit 411 at each curvature position after the panel 400 is bent to reach the target ratio.
Referring to
Specifically, the spacer 440 includes the main body 441 and the auxiliary body 442, the height of the auxiliary body 442 is lower than the height of the main body 441, the auxiliary body 442 can assist in the support the active array substrate 410 and the opposite substrate 430 after the main body 441 reaches the limit of supporting; for example, the height of the auxiliary body 442 is two-thirds the height of the main body 441, simultaneously, the auxiliary body 442 is disposed on the side of the main body 441, when supporting the substrate, the section between the main body 441 and the auxiliary body 442 also plays a supporting role to improve the supporting ability of the spacers 440; in addition, in the selection of the material of the spacer 440, the main body 441 may use a conventional materials, and the material hardness of the auxiliary body 442 is greater than the material hardness of the main body 441.
Further, the monochromatic sub-pixel units 411 are arranged along the direction of the bending line 450 of the display panel 400, and the spacers 440 are symmetrically distributed from the center line of the panel 400 to both sides.
Specifically, the monochromatic sub-pixel units 411 on the display panel 400 are arranged along the direction of the bending line 450, the spacers 440 are symmetrically distributed from the center line of the panel 400 to both sides in response to the bending stress symmetrically varied from the center portion to both sides after the display panel 400 is bent.
Referring to
Specifically, the display panel 400 includes an active array substrate 410 and a opposite substrate 430 disposed opposite thereto, the active array substrate 410 having a plurality of pixel units, each pixel unit including an array of a plurality of monochromatic sub-pixel units 411, a plurality of monochromatic sub-pixel unit 411 being different in color, the monochromatic sub-pixel unit 411 is a rectangular structure, the long side of the monochromatic sub-pixel unit 411 being parallel to the bending direction of the display panel 400, the size of the monochromatic sub-pixel unit 411 in the direction of the bending line of the display panel 400 when bending is smaller than the size of the other directions of the monochromatic sub-pixel unit 411, that is, when the panel 400 is bent, the size of the monochromatic sub-pixel unit 411 in the direction of the fold line 450 of the panel 400 is the smallest size of the monochromatic sub-pixel unit 411. Take a liquid crystal display panel as an example, the liquid crystal layer 420 is disposed between the active array substrate 410 and the opposite substrate 430, and spacers 440 is used for supporting the active array substrate 410 and the opposite substrate 430 when external force is applied, and the distribution density of the spacers 440 gradually increases from the middle of the panel 400 toward both curved sides. Due to the bending of the panel 400, the internal stress of the panel 400 is gradually increased from the middle of the panel 400 toward both curved sides, the distribution density of the spacers 440 is increased correspondingly to counteract the partial stress of the different parts, that is, as shown in
By changing the arrangement of the monochromatic sub-pixel units 411 to make the smallest portion of the monochromatic sub-pixel units 411 on the bending line of the curved surfaces and changing the distribution density of the spacers 440 in the panel 400 to make the distribution density of the spacers 440 gradually increase from the middle of the panel 400 toward both sides of the bending, thereby area change of the monochromatic sub-pixel units 411 during bending is reduced, and the problem of unevenness of the cell thickness due to the large partial stress when the both sides of the panel 400 are bent is improved, so that better picture quality of the display panel in the side view can also be achieved.
Specifically, the pixel unit includes a plurality of monochromatic sub-pixel units 411 different in color and arranged adjacent to each other along the direction of the bending line 450 of the display panel 400.
Specifically, each pixel unit consists of a plurality of monochromatic sub-pixel units 411, for example, it may consist of three monochromatic sub-pixel units 411, which are the sub-pixel monochromatic units 411 of R, G, B, respectively, and the three monochromatic sub-pixel units 411 are arranged adjacent to each other along the bending line 450.
Referring to
Specifically, referring to
Further, the surface of the monochromatic sub-pixel unit 411 is etched with an alignment pattern, and the ratio between the alignment patterns changes with the curvature of the current position display panel.
Referring to
The alignment pattern of the monochromatic sub-pixel unit 411 at each curvature position on the panel 400 is preliminarily considered in consideration of how it has changed after bending, so that the monochromatic sub-pixel unit 411 at each curvature position after bending is bent and the matching pattern of the monochromatic sub-pixel unit 411 at each position of the monochromatic sub-pixel unit 411 after the panel 400 is bent to reach the target ratio.
Referring to
Specifically, the spacer 440 includes the main body 441 and the auxiliary body 442, the height of the auxiliary body 442 is lower than the height of the main body 441, the auxiliary body 442 can assist in the support the active array substrate 410 and the opposite substrate 430 after the main body 441 reaches the limit of supporting; and the auxiliary body is disposed on the side of the main body 441 when supporting the substrate, the section between the main body 441 and the auxiliary body 442 also plays a supporting role to improve the supporting ability of the spacers 440.
Further, the monochromatic sub-pixel units 411 are arranged along the direction of the bending line 450 of the display panel 400, and the spacers 440 are symmetrically distributed from the center line of the panel 400 to both sides.
Specifically, the monochromatic sub-pixel units 411 on the display panel 400 are arranged along the direction of the bending line 450, the spacers 440 are symmetrically distributed from the center line of the panel 400 to both sides in response to the bending stress symmetrically varied from the center portion to both sides after the display panel 400 is bent.
Referring to
Above are only embodiments of the disclosure, is not patented and therefore limit the scope of the disclosure, the use of any content of the present specification and drawings made equivalent or equivalent structural transformation process, either directly or indirectly related to the use of other technologies areas are included in the same way the scope of the patent protection of the disclosure. Accordingly, the scope of protection of the disclosure is subject to the scope of protection of the claims.
Number | Date | Country | Kind |
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201710547504.9 | Jul 2017 | CN | national |
Number | Date | Country | |
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Parent | PCT/CN2017/107258 | Oct 2017 | US |
Child | 15846951 | US |