CN110992830B - Display screen, display device and manufacturing method of display screen - Google Patents
Display screen, display device and manufacturing method of display screen Download PDFInfo
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- CN110992830B CN110992830B CN201911271064.4A CN201911271064A CN110992830B CN 110992830 B CN110992830 B CN 110992830B CN 201911271064 A CN201911271064 A CN 201911271064A CN 110992830 B CN110992830 B CN 110992830B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The application discloses a display screen, a display device and a manufacturing method of the display screen. This display screen includes: the array substrate comprises a bending area and a non-bending area; a plurality of pixel defining parts disposed at the bending region, wherein each pixel defining part is inclined toward the non-bending region; and a plurality of pixels, each pixel being disposed between the corresponding pixel defining parts. This aspect can reduce the blocking of light emitted from the pixel by the pixel defining section by setting the pixel defining section to be inclined toward the non-bending region.
Description
Technical Field
The application relates to the technical field of display, in particular to a display screen, a display device and a manufacturing method of the display screen.
Background
With the development of display technology, flexible display devices that can be bent are becoming more and more popular.
As shown in fig. 1, in the conventional flexible display device, a narrow bezel is implemented by setting an edge region a of a screen 1 to a curved shape. The user is generally facing the screen 1 when using the flexible display device. As shown in fig. 1, light emitted from the pixel 11 located in the edge area a of the screen 1 is blocked by the pixel defining part 12, so that the light entering the human eye from the edge area a of the screen 1 is reduced.
Disclosure of Invention
The embodiment of the application provides a display screen, a display device and a manufacturing method of the display screen, which can reduce the shielding rate of light emitted by pixels.
An embodiment of the present invention provides a display screen, which includes:
the array substrate comprises a bending area and a non-bending area;
a plurality of pixel defining parts disposed at the bending region, wherein each pixel defining part is inclined toward the non-bending region;
and a plurality of pixels, each pixel being disposed between the corresponding pixel defining parts.
In an embodiment, a slope angle in the pixel defining part away from the non-bending region is smaller than a complementary angle of a bending angle of the bending region.
In one embodiment, the display screen further comprises:
a plurality of spacer portions disposed on the corresponding pixel defining portions, the spacer portions being inclined toward the non-bending region.
In one embodiment, an angle of a slope of the spacer portion away from the non-bending region is smaller than a complementary angle of a bending angle of the bending region.
In one embodiment, the plurality of pixels are arranged in an array in the bending region;
wherein the spacer section is disposed in a gap between pixels of adjacent rows, or the spacer section is disposed in a gap between adjacent four pixels arranged in a matrix.
In one embodiment, the light emitting area of the pixel far away from the non-bending region is larger than the light emitting area of the pixel close to the non-bending region.
In one embodiment, the pixels are rectangular or trapezoidal in shape.
The embodiment of the invention also provides a display device which comprises the display screen.
The embodiment of the invention also provides a manufacturing method of the display screen, which comprises the following steps:
providing an array substrate with a bending area and a non-bending area, wherein the bending area and the non-bending area are in the same plane;
forming a plurality of pixel defining parts and a plurality of pixels on the non-bending region, wherein each pixel is arranged between the corresponding pixel defining parts;
bending the bending region towards one side where the pixel defining part is located, so that the pixel defining part is inclined towards the non-bending region;
curing the pixel defining part inclined toward the non-bending region.
In an embodiment, the forming a plurality of pixel defining parts and a plurality of pixels on the non-bending region, where each pixel is disposed between corresponding pixel defining parts, further includes:
forming a spacer portion on the pixel defining portion;
the step of bending the bending region toward a side where the pixel defining portion is located to incline the pixel defining portion toward the non-bending region further includes:
and bending the bending region towards one side of the preset pixel defining part, so that the spacer part inclines towards the non-bending region.
According to the display screen, the display device and the manufacturing method of the display screen, the pixel definition part located in the bending area is set to incline towards the non-bending area, so that the shielding of the pixel definition part on light emitted by the pixel can be reduced.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a conventional display screen.
Fig. 2 is a schematic structural diagram of a display screen according to an embodiment of the present invention.
Fig. 3 is another schematic structural diagram of a display screen according to an embodiment of the present invention.
Fig. 4 is a schematic distribution diagram of a pixel and a spacer portion according to an embodiment of the present invention.
Fig. 5 is another distribution diagram of a pixel and a spacer portion according to an embodiment of the invention.
Fig. 6 is a schematic flow chart illustrating a manufacturing method of a display screen according to an embodiment of the present invention.
Fig. 7 is a scene schematic diagram of a manufacturing method of a display screen according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. 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", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the invention provides a display device which comprises a display screen. Referring to fig. 2, fig. 2 is a schematic structural diagram of a display screen according to an embodiment of the present invention. The display panel 2 includes an array substrate 21, a plurality of pixel defining portions 22, and a plurality of pixels 23. The array substrate 21 includes a bending region 21a and a non-bending region 21 b. The pixel defining part 22 and the pixels 23 are both disposed on the bending region 21 a. The non-bending region 21b is also provided with a pixel defining portion, a pixel, and the like.
A plurality of pixel defining parts 22 are provided in the bending region 21 a. As shown in fig. 2, each pixel defining part 22 is inclined toward the non-bent area 21 b. This arrangement can reduce the blocking of light emitted from the pixels 23 by the pixel defining section 22. Here, as shown in fig. 3, the slope angle β of the pixel defining section 22 away from the bending region 21a may be set smaller than the viewing angle γ at the maximum bending position of the bending region 21a, so that the blocking of light emitted from the pixel 23 by the pixel defining section 22 may be reduced to the maximum. That is, the slope angle β in the pixel defining part 22 away from the inflection region 21a may be set to be smaller than the complementary angle of the bending angle Φ of the inflection region 21 a.
And a plurality of pixels 23, each pixel 23 being disposed between the corresponding pixel defining parts 22. The plurality of pixels 23 are arranged in an array in the bending region 21 a. In one embodiment, the light emitting area of the pixel 23 far away from the non-bending region 21b is larger than the light emitting area of the pixel 23 near the non-bending region 21 b. The larger the area of the pixel 23, the larger the light output amount thereof, and the amount of light entering the human eye can be increased.
In one embodiment, the area of each pixel 23 is proportional to the secant value of its corresponding bend angle. As shown in fig. 2, the bending angle corresponding to the pixel 23 is the bending angle of the array substrate 21 between the pixel 23 and the boundary M, where the boundary M is formed at the boundary between the bending region 21a and the non-bending region 21 b.
In one embodiment, the pixels 23 are rectangular or trapezoidal in shape. When the shape of the pixel 23 is a trapezoid, the waist of the trapezoid-shaped pixel 23 is a curved shape. When the pixels 23 are rectangular in shape, the width of the pixels 23 is the same, and the length of each pixel 23 is proportional to the secant value of the corresponding bending angle of the pixel 23. Note that the projected areas of the pixels 23 in the non-bending region 21b are equal. For example, assume that the length of the light-emitting pixel of the non-bending region 21b is L1If the bending angle phi corresponding to the pixel 23 of the bending region 21a is 45 deg., the length of the pixel 23 is L1Sec45 DEG, about 1.4L1. If the bending angle Φ corresponding to the pixel 23 of the bending region 21a is 60 °, the length of the pixel 23 is L1Sec60 °, 2L1。
In one embodiment, the pixel 23 includes an anode layer and a light emitting layer. Wherein the anode layer is arranged at said inflection zones 21 a. The light emitting layer is provided on the anode layer, and the light emitting layer includes a plurality of light emitting portions. The light emitting part may be made of an organic light emitting material. Since the light emission of the pixels 23 is realized by the light emitting portion, the area of the light emitting portion distant from the non-bending region 21b can be set larger than the area of the light emitting portion near the non-bending region 21b, so that the amount of light emitted from the pixels 23 distant from the non-bending region 21b will be larger than the pixels 23 near the non-bending region 21 b.
In one embodiment, the display screen 2 further includes a plurality of spacer portions 24. The spacer portions 24 serve to support some components in the display screen 2. the spacer portions 24 are disposed on the corresponding pixel defining portions 22, and the spacer portions 24 are inclined toward the non-bending region 21 b. In an embodiment, similarly to the pixel defining section 22, the slope angle α of the spacer section 24 away from the bending region 21a may also be set to be smaller than the complementary angle of the bending angle Φ of the bending region 21 a.
In one embodiment, the spacer section 24 may be disposed in the gap of the pixels 23 of the adjacent row, as shown in fig. 4. The plurality of spacer portions 24 may be arranged in a close manner or in a sparse manner, and are not particularly limited herein. In one embodiment, as shown in fig. 5, the spacer portion 24 may be disposed in a gap between adjacent four pixels 23 arranged in a matrix.
According to the display screen and the display device, the pixel definition part is inclined towards the non-bending area, so that the blockage of the pixel definition part to light emitted by the pixel can be reduced.
The embodiment of the invention also provides a manufacturing method of the display screen. Referring to fig. 6, fig. 6 is a schematic flow chart illustrating a manufacturing method of a display screen according to an embodiment of the present invention. The method comprises the following steps:
step S101, providing an array substrate having a bending region and a non-bending region, wherein the bending region and the non-bending region are in the same plane.
As shown in fig. 7, the array substrate 21 includes a non-bending region 21b and bending regions 21a disposed at two sides of the non-bending region 21 b. Initially, the inflection region 21a and the non-inflection region 21b are in the same plane.
In step S102, a plurality of pixel defining portions and a plurality of pixels are formed on the non-bending region, wherein each pixel is disposed between the corresponding pixel defining portions.
As shown in fig. 7, a first predetermined material may be formed and coated on the bending region 21a to form a plurality of pixel defining portions 22. A second predetermined material is then applied between the adjacent pixel defining parts 22 to form the pixels 23. In an embodiment, a spacer portion 24 may also be formed on the pixel defining portion 22.
In one embodiment, the distance between the pixel defining parts 22 may be set such that the light emitting area of the pixel 23 far from the non-bending region 21b is larger than the light emitting area of the pixel 23 near the non-bending region 21 b. The larger the area of the pixel 23, the larger the light output amount thereof, and the amount of light entering the human eye can be increased.
In one embodiment, the pixels 23 are rectangular or trapezoidal in shape. When the shape of the pixel 23 is a trapezoid, the waist of the trapezoid-shaped pixel 23 is a curved shape. When the pixels 23 are rectangular in shape, the width of the pixels 23 is the same, and the length of each pixel 23 is proportional to the secant value of the corresponding bending angle of the pixel 23. Note that the projected areas of the pixels 23 in the non-bending region 21b are equal. For example, assume that the length of the light-emitting pixel of the non-bending region 21b is L1If the bending angle phi corresponding to the pixel 23 of the bending region 21a is 45 deg., the length of the pixel 23 is L1Sec45 DEG, about 1.4L1. If the bending angle Φ corresponding to the pixel 23 of the bending region 21a is 60 °, the length of the pixel 23 is L1Sec60 °, 2L1。
In one embodiment, the pixel 23 includes an anode layer and a light emitting layer. Further, the pixel 23 also includes a cathode layer. Wherein the anode layer is arranged at said inflection zones 21 a. The light emitting layer is provided on the anode layer, and the light emitting layer includes a plurality of light emitting portions. The light emitting part may be made of an organic light emitting material. Since the light emission of the pixels 23 is realized by the light emitting portion, the area of the light emitting portion distant from the non-bending region 21b can be set larger than the area of the light emitting portion near the non-bending region 21b, so that the amount of light emitted from the pixels 23 distant from the non-bending region 21b will be larger than the pixels 23 near the non-bending region 21 b.
In step S103, the bending region is bent toward the side where the pixel defining portion is located, and the pixel defining portion is inclined toward the non-bending region.
As shown in fig. 7, the bending region 21b is bent toward the side where the pixel defining part 22 is provided, so that both the pixel defining part 22 and the spacer part 24 are inclined toward the non-bending region 21 b.
Note that the degree of bending of the bending region 21b may be controlled such that the slope angle β in the pixel defining section 22 away from the bending region 21a is smaller than the viewing angle γ at the maximum bending position of the bending region 21a, and the slope angle α in the spacer section 24 away from the bending region 21a is smaller than the complement of the bending angle Φ of the bending region 21 a. This can minimize the blocking of light emitted from the pixel 23 by the pixel defining section 22 and the spacer section 24.
In step S104, the pixel defining portion inclined toward the non-bending region is cured.
Finally, the inclined pixel defining section 22 and the spacer section 24 may be heat-cured. The pixel defining portion 22 and the spacer portion 24 may be separately heat-cured, or the pixel defining portion 22 and the spacer portion 24 may be heat-cured together, and are not particularly limited herein.
According to the manufacturing method of the display screen, the pixel definition part is set to incline towards the non-bending area, so that the blockage of the pixel definition part to the light emitted by the pixel can be reduced.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display screen, the display device and the manufacturing method of the display screen provided by the embodiment of the application are introduced in detail, a specific example is applied in the description to explain the principle and the implementation mode of the application, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (7)
1. A display screen, wherein the display screen comprises:
the array substrate comprises a bending area and a non-bending area;
a plurality of pixel defining parts disposed at the bending region, wherein each pixel defining part is inclined toward the non-bending region;
a plurality of pixels each disposed between the corresponding pixel defining parts;
a plurality of spacer portions disposed on the corresponding pixel defining portions, the spacer portions being inclined toward the non-bending region, wherein a slope angle of the spacer portions away from the non-bending region is smaller than a complementary angle of a bending angle of the bending region.
2. Display screen according to claim 1,
the slope angle of the pixel defining part far away from the non-bending area is smaller than the complementary angle of the bending area.
3. The display screen of claim 1, wherein the plurality of pixels are arranged in an array in the bending region;
wherein the spacer section is disposed in a gap between pixels of adjacent rows, or the spacer section is disposed in a gap between adjacent four pixels arranged in a matrix.
4. A display screen according to claim 1, wherein the light-emitting area of pixels further from the non-bending region is larger than the light-emitting area of pixels closer to the non-bending region.
5. A display screen in accordance with claim 1, wherein the pixels are rectangular or trapezoidal in shape.
6. A display device, characterized in that it comprises a display screen according to any one of claims 1-5.
7. A manufacturing method of a display screen is characterized by comprising the following steps:
providing an array substrate with a bending area and a non-bending area, wherein the bending area and the non-bending area are in the same plane;
forming a plurality of pixel defining parts and a plurality of pixels on the non-bending region, wherein each pixel is arranged between the corresponding pixel defining parts;
forming a spacer portion on the pixel defining portion;
bending the bending region towards one side where the pixel defining part is located, enabling the pixel defining part and the gasket material part to incline towards the non-bending region, and enabling the slope angle of the gasket material part far away from the non-bending region to be smaller than the rest angle of the bending region;
curing the pixel defining part and the spacer part inclined toward the non-bending region.
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| CN111768712B (en) * | 2020-07-27 | 2022-02-22 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
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