CN109841663B - Large-size display panel and manufacturing method thereof - Google Patents
Large-size display panel and manufacturing method thereof Download PDFInfo
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- CN109841663B CN109841663B CN201910134105.9A CN201910134105A CN109841663B CN 109841663 B CN109841663 B CN 109841663B CN 201910134105 A CN201910134105 A CN 201910134105A CN 109841663 B CN109841663 B CN 109841663B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- G—PHYSICS
- 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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
Abstract
The application discloses a large-size display panel and a manufacturing method thereof, comprising the following steps: manufacturing a plurality of small-size display panels; each of the small-sized display panels includes a display area and a folding area; folding the folding area of each of the small-sized display panels to the back of the display area; and splicing the folded small-size display panels into a large-size display panel, so that the display areas of any two adjacent small-size display panels are adjacent. The manufacture of the display panel with high resolution and large size is realized.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a large-size display panel and a manufacturing method thereof.
Background
Organic Light Emitting diode (oled) has been paid much attention and developed because of its flexibility, fast response time, wide color gamut, low energy consumption, and other features. The current common full-Color OLED technology mainly includes a red, green and blue pixel juxtaposition method (RGB-SBS, RGB Side By Side) and a White OLED + Color Filter (WOLED + CF, White OLED + Color Filter) technology.
The RGB-SBS is composed of red, green, and blue pixels that emit light respectively, and can not only obtain a better color saturation but also save power, but the red, green, and blue pixels must be obtained by Fine Metal Mask (FMM) evaporation, and since a large-sized FMM is difficult to prepare and has a low yield, the RGB-SBS structure is usually only applicable to a small-sized OLED display device, and it is difficult to realize a large-sized OLED display device with a high resolution.
Disclosure of Invention
The embodiment of the application provides a large-size display panel and a manufacturing method thereof, which aim to solve the problem that the manufacturing of the high-resolution and large-size display panel is difficult.
The embodiment of the application provides a manufacturing method of a large-size display panel, which comprises the following steps:
manufacturing a plurality of small-size display panels; each of the small-sized display panels includes a display area and a folding area;
folding the folding area of each of the small-sized display panels to the back of the display area;
and splicing the folded small-size display panels into a large-size display panel, so that the display areas of any two adjacent small-size display panels are adjacent.
Further, the manufacturing of the plurality of small-sized display panels includes:
and manufacturing a plurality of small-size display panels by adopting an FMM evaporation process.
Further, the splicing of the plurality of folded small-size display panels into a large-size display panel includes:
providing a transparent substrate;
and splicing the plurality of folded small-size display panels on the transparent substrate to form a large-size display panel.
Further, the folding area comprises a part or all of a non-display area, and the non-display area surrounds the periphery of the display area.
Further, the manufacturing method further comprises:
providing a central control circuit;
and electrically connecting the spliced small-size display panels with the central control circuit respectively.
An embodiment of the present application further provides a large-sized display panel, including:
a plurality of small-sized display panels which are spliced with each other;
each of the small-sized display panels includes a display area and a folding area;
the folding area of each small-size display panel is folded at the back of the display area of the small-size display panel, and the display areas of any two adjacent small-size display panels are adjacent.
Further, the small-sized display panel includes a flexible substrate and red, green, and blue pixels disposed on the flexible substrate.
Further, the large-size display panel further comprises a transparent substrate; and a plurality of small-size display panels are spliced on the transparent substrate.
Further, the folding area comprises a part or all of a non-display area, and the non-display area surrounds the periphery of the display area.
Furthermore, the large-size display panel further comprises a central control circuit, and the central control circuit is electrically connected with each small-size display panel.
The invention has the beneficial effects that: the folding areas of the plurality of small-size display panels are folded on the back of the display area and then are mutually spliced to form the large-size display panel.
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 flow chart of a method for manufacturing a large-sized display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional view of a small-sized display panel according to an embodiment of the present disclosure;
fig. 3 is a schematic front view of a small-sized display panel according to an embodiment of the present disclosure;
fig. 4 is a schematic front view of another small-sized display panel provided in an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an FMM and red, green and blue pixels according to an embodiment of the present disclosure;
fig. 6 is a schematic rear view of a large-sized display panel according to an embodiment of the present disclosure;
fig. 7 is a schematic front view of a large-sized display panel according to an embodiment of the present disclosure;
fig. 8 is a schematic front view of another large-sized display panel according to an embodiment of the present disclosure;
fig. 9 is a schematic rear view of another large-sized display panel according to an embodiment of the present disclosure.
Detailed Description
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, it is to be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship 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 device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. 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. It will be further understood that the terms "comprises" and/or "comprising," when used herein, 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.
The present application is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present application provides a method for manufacturing a large-size display panel 1, including:
s101: manufacturing a plurality of small-size display panels; each small-sized display panel includes a display area and a folding area.
Specifically, as shown in fig. 2 to 4, the small-sized display panel 2 includes an OLED display panel, but may be other types of display panels, and the OLED display panel is taken as an example in the embodiment of the present application. The small-sized display panel 2 includes a flexible substrate 25, such as a flexible TFT substrate, and red (R), green (G), and blue (B) pixels 26 juxtaposed on the flexible substrate 25. Each small-sized display panel 2 includes a display area 21 and a folding area 22 that can be folded. Red, green and blue pixels 26 are disposed corresponding to the display area 21.
Further, as shown in fig. 5, a plurality of small-sized display panels 2 are manufactured, including: a plurality of small-sized display panels 2 are manufactured by using an FMM3 evaporation process.
Specifically, the device structure of the small-sized display panel 2 may be formed on the flexible substrate 25 by using an FMM3 evaporation process, and the method may produce the small-sized display panel 2 with high resolution.
S102: the folding area of each small-sized display panel is folded to the back of the display area.
In this embodiment, as shown in fig. 6, the folding area 22 of each small-sized display panel 2 is folded 180 ° toward the back of the display area 21 until being attached to the back of the display area 21, so that the thickness of the folded small-sized display panel 2 is controlled as small as possible while the frame of the small-sized display panel 2 is reduced.
S103: and splicing the folded small-size display panels into a large-size display panel, so that the display areas of any two adjacent small-size display panels are adjacent.
As shown in fig. 7, the folded small-sized display panels 2 are regularly spliced together according to the ratio of the length to the width, specifically, the display areas 21 of any two adjacent small-sized display panels 2 are adjacent to each other, so as to reduce the splicing gap at the splicing position, thereby forming a large-sized display panel 1, and the formed large-sized display panel 1 has a high resolution equivalent to that of the small-sized display panels 2, thereby realizing the large-sized display panel 1 with high resolution.
Wherein, splice a plurality of small-size display panel 2 after will folding into jumbo size display panel 1, include: providing a transparent substrate 4; the plurality of small-sized display panels 2 after being folded are spliced on the transparent substrate 4 to form the large-sized display panel 1.
As shown in fig. 6 and 7, the transparent substrate 4 is required to be used as a support when the small-sized display panels 2 are assembled, the front surface of each small-sized display panel 2 is placed towards the transparent substrate 4, and after the assembly, the back surface (the side far away from the transparent substrate 4) of each small-sized display panel 2 is further encapsulated by a flexible cover 27 or by a Thin-Film Encapsulation (TFE) to form the large-sized display panel 1.
Alternatively, as shown in fig. 3 and 4, the folding area 22 includes a part or all of the non-display area 23, and the non-display area 23 surrounds the display area 21.
The small-sized display panel 2 further includes a non-display area 23, and the non-display area 23 surrounds the display area 21. As shown in fig. 3, the folding area 22 may include a part of the non-display area 23, for example, when the non-display area 23 is within the plane of the bonding area 24 of the small-sized display panel 2, the folding area 22 includes only a part of the non-display area 23, and the large-sized display panel 1 is formed as shown in fig. 7, and the bonding area 24 is located at the frame of the large-sized display panel 1. Of course, as shown in fig. 4, the folding area 22 may also include all the non-display areas 23, for example, in the case that the binding area 24 is on the back side of the display area 21, and the large-sized display panel 1 is formed as shown in fig. 8, and the frame of the panel is narrower compared to the large-sized display panel 1 in fig. 7.
In an alternative embodiment, as shown in fig. 9, the manufacturing method further includes: providing a central control circuit 5; the plurality of small-sized display panels 2 after the tiling are electrically connected to a central control circuit 5, respectively.
Each small-size display panel 2 is electrically connected with the central control circuit 5, so that the central control circuit 5 can simultaneously control a plurality of spliced small-size display panels 2, and the display picture of the large-size display panel 1 is ensured to be complete and continuous.
As shown in fig. 6 and 7, the embodiment of the present application further provides a large-size display panel 1, including: a plurality of small-sized display panels 2 which are spliced with each other; each small-sized display panel 2 includes a display area 21 and a folding area 22; the folding area 22 of each small-sized display panel 2 is folded at the back of its display area 21, and the display areas 21 of any adjacent two small-sized display panels 2 are adjacent.
The small-size display panel 2, such as the small-size OLED display panel, is easy to realize high resolution, and the large-size display panel 1 can be formed by folding the folding regions 22 of the plurality of small-size display panels 2 on the back of the display region 21 and then splicing the folding regions with each other, because the large-size display panel 1 is formed by directly splicing the folded small-size display panels 2, the structure of the display region 21 of each small-size display panel 2 is not changed, so that the large-size display panel 1 retains the characteristic of high resolution, and thus the large-size display panel 1 with high resolution is realized. In addition, in the present embodiment, since the folding region 22 of each small-sized display panel 2 is folded to the back of the display region 21, the splicing gap of the large-sized display panel 1 is narrow, the continuity of the display screen is improved, and the display effect is improved.
Alternatively, as shown in fig. 2, the small-sized display panel 2 includes a flexible substrate 25 and red, green and blue pixels 26 disposed on the flexible substrate 25.
The small-sized display panel 2 includes a small-sized OLED display panel in which red, green, and blue pixels 26 are juxtaposed, the small-sized display panel 2 includes a flexible substrate 25, such as a flexible TFT substrate, and further includes red, green, and blue pixels 26 juxtaposed on the substrate, the red, green, and blue pixels 26 include light emitting layers made of red, green, and blue organic light emitting materials, the entire small-sized display panel 2 can be bent and folded,
alternatively, as shown in fig. 6 and 7, the large-size display panel 1 further includes a transparent substrate 4 (or large-size glass); a plurality of small-sized display panels 2 are tiled on a transparent substrate 4.
The transparent substrate 4 is required to be used as a support when the small-sized display panels 2 are spliced, the front face of each small-sized display panel 2 is placed towards the transparent substrate 4, and after splicing, the back face (the side far away from the transparent substrate 4) of each small-sized display panel 2 is packaged by the flexible cover plate 27 or packaged by the TFE to form the large-sized display panel 1.
Alternatively, as shown in fig. 3 and 4, the folding area 22 includes a part or all of the non-display area 23, and the non-display area 23 surrounds the display area 21.
The small-sized display panel 2 further includes a non-display area 23, and the non-display area 23 surrounds the display area 21. The folding area 22 may comprise part of the non-display area 23, e.g. the non-display area 23 with the binding area 24 of the small-sized display panel 2 in-plane, while the folding area 22 comprises only part of the non-display area 23. Of course, the folding area 22 may also include the entire non-display area 23, such as the case where the binding area 24 is on the back of the display area 21.
Alternatively, as shown in fig. 9, the large-size display panel 1 further includes a central control circuit 5, and the central control circuit 5 is electrically connected to each of the small-size display panels 2.
In this embodiment, each small-sized display panel 2 is electrically connected to the central control circuit 5, so that the central control circuit 5 can control a plurality of spliced small-sized display panels 2 simultaneously, thereby ensuring that the display images of the large-sized display panels 1 are complete and coherent.
As shown in fig. 2 to 9, the embodiment of the present application further provides a large-sized display panel 1, including: the display panel comprises a plurality of small-size display panels 2, a transparent substrate 4 and a central control circuit 5 which are spliced with one another, wherein each small-size display panel 2 sequentially comprises a flexible TFT substrate, red, green and blue pixels 26 and a flexible cover plate 27, each small-size display panel 2 is formed with a display area 21, a folding area 22 and a binding area 24, the folding area 22 and the binding area 24 form a non-display area 23 surrounding the display area 21, and the folding area 22 of each small-size display panel 2 is folded on the back of the display area 21; the small-size display panels 2 spliced with each other are arranged on the transparent substrate 4, the front surface of each display area 21 faces the transparent substrate 4, and the display areas 21 of any two adjacent small-size display panels 2 are adjacent; the plurality of small-sized display panels 2 after being spliced are electrically connected to the central control circuit 5 at the respective bonding areas 24.
The small-size display panel 2 (small-size OLED display panel) composed of a flexible TFT substrate, red, green, and blue pixels 26, and a flexible cover plate 27 has many advantages of self-luminescence, fast response, high brightness, light weight, and the like, and more importantly, has high resolution and good flexibility, and folds the folding regions 22 of a plurality of small-size display panels 2 on the back of the display region 21, and then splices them together, and is simultaneously controlled by the central control circuit 5 to form the large-size display panel 1, because the large-size display panel 1 is formed by directly splicing the folded small-size display panels 2, the structure of the display region 21 of each small-size display panel 2 is not changed, so that the large-size display panel 1 retains the characteristic of high resolution, thereby implementing the large-size display panel 1 with high resolution.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (6)
1. A method for manufacturing a large-size display panel is characterized by comprising the following steps:
manufacturing a plurality of small-size display panels; each small-size display panel comprises a display area and a folding area, wherein the folding area comprises a part of non-display area, and the non-display area surrounds the periphery of the display area;
folding the folding area of each small-size display panel to the back of the display area until the folding area is attached to the back of the display area;
splicing the folded small-size display panels into a large-size display panel, and enabling the display areas of any two adjacent small-size display panels to be adjacent;
splicing the folded small-size display panels into a large-size display panel, comprising:
providing a transparent substrate;
splicing the plurality of folded small-size display panels on the transparent substrate to form a large-size display panel; wherein the front faces of the folded small-sized display panels are arranged towards the transparent substrate;
after the plurality of folded small-sized display panels are spliced on the transparent substrate, the manufacturing method further includes:
and packaging the back surfaces of the plurality of small-size display panels.
2. The method for fabricating a large-sized display panel according to claim 1, wherein the fabricating a plurality of small-sized display panels comprises:
and manufacturing a plurality of small-size display panels by adopting an FMM evaporation process.
3. The method of fabricating a large-sized display panel according to claim 1, further comprising:
providing a central control circuit;
and electrically connecting the spliced small-size display panels with the central control circuit respectively.
4. A large-sized display panel, comprising:
a plurality of small-sized display panels which are spliced with each other;
each of the small-sized display panels includes a display area and a folding area; the folding area comprises a part of non-display area, and the non-display area surrounds the periphery of the display area;
the folding area of each small-size display panel is folded at the back of the display area of the small-size display panel and is arranged in a manner of being attached to the back of the display area, and the display areas of any two adjacent small-size display panels are adjacent;
the large-size display panel further comprises a transparent substrate; the small-size display panels are spliced on the transparent substrate, and the front surfaces of the small-size display panels are arranged towards the transparent substrate;
the large-size display panel further comprises a flexible cover plate, and the flexible cover plate is arranged on the back of the plurality of small-size display panels.
5. The large-sized display panel according to claim 4, wherein the small-sized display panel includes a flexible substrate and red, green, and blue pixels disposed on the flexible substrate.
6. The large-sized display panel according to claim 4, wherein the large-sized display panel further comprises a central control circuit electrically connected to each of the small-sized display panels.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134105.9A CN109841663B (en) | 2019-02-22 | 2019-02-22 | Large-size display panel and manufacturing method thereof |
| PCT/CN2019/079172 WO2020168608A1 (en) | 2019-02-22 | 2019-03-22 | Large display panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134105.9A CN109841663B (en) | 2019-02-22 | 2019-02-22 | Large-size display panel and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN109841663A CN109841663A (en) | 2019-06-04 |
| CN109841663B true CN109841663B (en) | 2021-02-26 |
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| CN110827702A (en) * | 2019-10-29 | 2020-02-21 | 深圳市华星光电半导体显示技术有限公司 | Assembled display panel and manufacturing process method of assembled display panel |
| CN113986170A (en) * | 2021-10-21 | 2022-01-28 | 威创集团股份有限公司 | Spliced wall display control method, desktop display controller and spliced wall |
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| CN101587670A (en) * | 2009-04-10 | 2009-11-25 | 广东威创视讯科技股份有限公司 | OLED splicing display screen |
| KR102176719B1 (en) * | 2013-10-14 | 2020-11-10 | 삼성디스플레이 주식회사 | Flexible display panel and manufacturing method thereof |
| CN103715227A (en) * | 2013-12-26 | 2014-04-09 | 京东方科技集团股份有限公司 | Display panel, driving method of display panel and display device |
| CN104599605A (en) * | 2015-02-13 | 2015-05-06 | 友达光电股份有限公司 | Flexible display device and splicing display method for flexible display system |
| CN105044959B (en) * | 2015-09-14 | 2019-04-05 | 深圳市华星光电技术有限公司 | It is a kind of that seamless spliced multi-display apparatus can be achieved |
| CN106782132A (en) * | 2017-02-28 | 2017-05-31 | 深圳市华星光电技术有限公司 | Spliced display screen |
| CN107385391A (en) * | 2017-07-14 | 2017-11-24 | 京东方科技集团股份有限公司 | Mask plate, oled display substrate and preparation method thereof, display device |
| CN207009016U (en) * | 2017-08-16 | 2018-02-13 | 京东方科技集团股份有限公司 | Display module |
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2019
- 2019-02-22 CN CN201910134105.9A patent/CN109841663B/en active Active
- 2019-03-22 WO PCT/CN2019/079172 patent/WO2020168608A1/en active Application Filing
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| WO2020168608A1 (en) | 2020-08-27 |
| CN109841663A (en) | 2019-06-04 |
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