CN110910755B - Display panel mother board and display panel - Google Patents
Display panel mother board and display panel Download PDFInfo
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- CN110910755B CN110910755B CN201911092458.3A CN201911092458A CN110910755B CN 110910755 B CN110910755 B CN 110910755B CN 201911092458 A CN201911092458 A CN 201911092458A CN 110910755 B CN110910755 B CN 110910755B
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- substrate
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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
Abstract
The invention provides a display panel mother board and a display panel, which comprise a plurality of first substrates and a plurality of second substrates which are distributed in an array mode, wherein the structures of the first substrates and the second substrates are the same. The retaining wall is arranged in the binding area of the first substrate and is close to the cutting line area of the first substrate, so that polyimide can be prevented from entering the binding area of the first substrate along a groove and a gap between the binding area of the first substrate and the display area of the second substrate when the second substrate is coated with polyimide, polyimide coverage is prevented, pins of the binding area are prevented, and subsequent binding manufacturing is influenced.
Description
Technical Field
The invention relates to the field of display, in particular to a display panel mother board and a display panel.
Background
In the technical field of display panels, in order to reduce cost and improve benefit, the typesetting design which can improve the utilization rate of the glass large board can be adopted during design, as shown in fig. 1, the utilization rate of the large board is improved to a greater extent, the product typesetting is more and more compact, the panel is connected end to end, and the utilization rate of the large board is improved to a greater extent.
Therefore, it is necessary to provide a new display panel mother board, which improves the panel manufacturing efficiency and reduces the cost of the manufacturing equipment.
Disclosure of Invention
The invention aims to provide a display panel mother board and a display panel, wherein a retaining wall is arranged in a binding region of a first substrate, the retaining wall is close to a cutting line region of the first substrate, so that polyimide can be prevented from entering the binding region of the first substrate along a groove and a gap between the binding region of the first substrate and a display region of a second substrate when polyimide coating is carried out on the second substrate, and the polyimide is prevented from covering pins of the binding region and influencing subsequent binding manufacture.
In order to achieve the above object, the present invention provides a display panel motherboard, including a plurality of first substrates and a plurality of second substrates distributed in an array, wherein the first substrates and the second substrates have the same structure, each of the first substrates and the second substrates includes a display area and a binding area, the binding area of the first substrate is close to the display area of the second substrate, and the binding areas of the first substrate and the second substrate have a notch; a retaining wall is arranged at the notch.
Further, the retaining wall is parallel to the cutting line of the binding area.
Further, the length of the retaining wall is greater than or equal to the width of the notch.
Furthermore, the height of the retaining wall is 2400 nm-2800 nm.
Further, the material of the retaining wall comprises photoresist.
Further, the distance between the first substrate and the second substrate is 1-5 mm.
Furthermore, the display area of the second substrate is provided with a special-shaped area, the special-shaped area is provided with a groove, and the groove is opposite to the notch.
Further, the notch comprises a first notch and a second notch, and the second notch is communicated with the first notch.
Further, the width of the second gap is smaller than that of the first gap.
The invention also provides a display panel, which comprises a substrate and a plurality of transparent electrodes; the thin film transistor layer and the display layer are sequentially arranged on the substrate; the substrate comprises a display area and a binding area; the binding area is provided with a notch, and a retaining wall is arranged at the notch.
The invention has the beneficial effects that: the invention provides a display panel mother board and a display panel.A retaining wall is arranged in a binding region of a first substrate, and the retaining wall is close to a cutting line region of the first substrate, so that polyimide can be prevented from entering the binding region of the first substrate along a groove and a gap between the binding region of the first substrate and a display region of a second substrate when the second substrate is coated with polyimide, and the polyimide is prevented from covering pins of the binding region and influencing subsequent binding manufacture.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic plan view of a display panel mother board according to the prior art;
fig. 2 is a schematic plan view of a display panel motherboard according to an embodiment of the invention;
FIG. 3 is an enlarged schematic plan view of the detail structure of FIG. 2, which mainly shows the structure of the bonding region of the first substrate and the display region of the second substrate at the joint;
FIG. 4 is a schematic structural diagram of a display panel according to the present invention;
FIG. 5 is a plan view of a display panel provided by the present invention;
a display panel mother substrate 100; a first substrate 110; a second substrate 120;
a first notch 101; a second notch 102; a trench 104;
a shaped area 121.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. Directional phrases used herein, such as, for example, upper, lower, front, rear, left, right, inner, outer, lateral, etc., refer only to the orientation of the accompanying drawings. The names of the elements, such as the first, the second, etc., mentioned in the present invention are only used for distinguishing different elements and can be better expressed. In the drawings, elements having similar structures are denoted by the same reference numerals.
Embodiments of the present invention will be described in detail herein with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided to explain the practical application of the invention and to enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated.
In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2, the present invention provides a display panel mother board 100, which in one embodiment includes a plurality of first substrates 110 and a plurality of second substrates 120 distributed in an array, and the first substrates 110 and the second substrates 120 have the same structure.
The first substrate 110 includes a display region 1101 and a bonding region 1102, and the second substrate 120 includes a display region 1201 and a bonding region 1202.
The bonding region 1102 of the first substrate 110 is adjacent to the display region 1201 of the second substrate 120. The bonding region 1102 is provided with a pin (not shown) for bonding with a flexible circuit board.
As shown in fig. 3, the bonding region 1102 of the first substrate 110 has a gap 10. In one embodiment, the notch 10 includes a first notch 101 and a second notch 102, the first notch 101 is close to the edge of the first substrate 110, and the second notch 102 is adjacent to and in communication with the first notch 101.
The width of the second notch 102 is smaller than the width of the first notch 101.
A retaining wall 103 is disposed at the notch 10 and located at an edge (e.g., a lower edge) of the first substrate 110. The retaining wall 103 is parallel to the cutting line 105 of the bonding region 1102. The length of the retaining wall 103 is greater than or equal to the width of the notch 10. The material of the retaining wall comprises photoresist.
Thus, the retaining wall 103 can block the gap 10 of the bonding region 1102, and further can prevent the second substrate 120 from invading when being coated with polyimide.
The height of the retaining wall 103 is 2400 nm-2800 nm, and the optimal height is 2500 nm.
The display region 1201 of the second substrate 120 has a shaped region 121 located at an edge (e.g., an upper edge) of the second substrate 120. The special-shaped area 121 is provided with a groove 104, and the groove 104 is arranged opposite to the notch 10.
The retaining wall 103 is to be close to the area of the cutting line 105 of the first substrate 110, and when the second substrate 105 is coated with polyimide, the retaining wall 103 can prevent polyimide from entering the bonding region 1102 of the first substrate 110 along the groove 104 and the gap between the bonding region 1102 of the first substrate 110 and the display region 1201 of the second substrate 120, so as to prevent the polyimide from covering the pins of the bonding region 1102 and affecting the subsequent bonding process.
The invention provides a display panel mother board 100, wherein a retaining wall 103 is arranged in a binding region 1102 of a first substrate 110, the retaining wall 103 is close to a cutting line 105 region of the first substrate 110, so that when polyimide coating is carried out on a second substrate 120, polyimide can enter the binding region 1102 of the first substrate 110 along a groove 105 and a gap between the binding region 1102 of the first substrate 110 and a display region 1201 of the second substrate 120, and the polyimide is prevented from covering pins of the binding region to influence subsequent binding manufacture.
The present invention further provides a display panel 200, which is cut from the display panel mother board 100 in one embodiment.
The display panel mother board 100 includes a plurality of first substrates 110 and a plurality of second substrates 120 distributed in an array, and the first substrates 110 and the second substrates 120 have the same structure. After the cutting is completed, both the first substrate 110 and the second substrate 120 can be used as the display panel of the present invention.
The first substrate 110 includes a display region 1101 and a bonding region 1102, and the bonding region 1102 of the first substrate 110 is adjacent to the display region 1201 of the second substrate 120.
The display area 1201 of the second substrate 120 has a shaped area 121, and the shaped area 121 has a groove 104. The trench 104 is used to isolate water and oxygen and protect the second substrate 120.
The irregular area 121 is generally used for disposing a camera module, so that the irregular area 121 needs to be well isolated from water and oxygen.
The bonding region 1102 has a gap 10; the notch 10 includes a first notch 101 and a second notch 102, and the second notch 102 is disposed on the first notch 101. The groove 104 is disposed opposite to the notch 10. The width of the second notch 102 is smaller than the width of the first notch 101. A retaining wall 103 is arranged at the opening of the notch 10.
The retaining wall 103 is parallel to the cutting line 105 of the bonding region 1102. The length of the retaining wall 103 is greater than or equal to the width of the notch 10.
The retaining wall 103 is close to the area of the cutting line 105 of the first substrate 110, so that when the second substrate 120 is coated with polyimide, the polyimide can be prevented from entering the bonding region 1102 of the first substrate 110 along the groove 104 and the gap between the bonding region 1102 of the first substrate 110 and the display region 1201 of the second substrate 120, and the polyimide is prevented from covering the pins of the bonding region 1102 to affect the subsequent bonding process.
The material of the retaining wall 103 comprises photoresist. The height of the retaining wall 103 is 2400 nm-2800 nm, and the optimal height is 2500 nm.
Therefore, as shown in fig. 4, the cut display panel 200 includes a substrate 201, and a thin-film transistor layer 202 and a display layer 203 sequentially disposed on the substrate 201.
As shown in fig. 5, the display panel 200 includes a display area 210 and a binding area 220; the binding regions 220 each have a notch 230, and a retaining wall 240 is disposed at the notch 230.
It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are intended to be illustrative of the invention and are not intended to be limiting. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (10)
1. A display panel motherboard, comprising:
the display panel comprises a plurality of first substrates and a plurality of second substrates which are distributed in an array, wherein the first substrates and the second substrates have the same structure, both the first substrates and the second substrates comprise display areas and binding areas, and the binding areas of the first substrates are close to the display areas of the second substrates;
the first substrate and the second substrate are provided with a notch in the binding area, and a retaining wall is arranged at the notch.
2. The display panel motherboard according to claim 1,
the retaining wall is parallel to the cutting line of the binding area.
3. The display panel motherboard according to claim 1,
the length of the retaining wall is greater than or equal to the width of the notch.
4. The display panel motherboard according to claim 1,
the height of the retaining wall is 2400 nm-2800 nm.
5. The display panel motherboard according to claim 1,
the material of the retaining wall comprises organic photoresist.
6. The display panel motherboard according to claim 1,
the bonding region has a plurality of bonding pins.
7. The display panel motherboard according to claim 1,
the display area of the second substrate is provided with a special-shaped area, the special-shaped area is provided with a groove, and the groove is opposite to the notch.
8. The display panel motherboard of claim 1, wherein the notch comprises a first notch and a second notch, the second notch communicating with the first notch.
9. The display panel motherboard according to claim 8,
the width of the second gap is smaller than that of the first gap.
10. A display panel, comprising:
the display device comprises a substrate, a thin film transistor layer and a display layer, wherein the thin film transistor layer and the display layer are sequentially arranged on the substrate;
wherein the display panel has a display area and a binding area; the binding area is provided with a notch, and a retaining wall is arranged at the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092458.3A CN110910755B (en) | 2019-11-11 | 2019-11-11 | Display panel mother board and display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911092458.3A CN110910755B (en) | 2019-11-11 | 2019-11-11 | Display panel mother board and display panel |
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| CN110910755A CN110910755A (en) | 2020-03-24 |
| CN110910755B true CN110910755B (en) | 2021-09-03 |
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| JP5233522B2 (en) * | 2008-09-01 | 2013-07-10 | セイコーエプソン株式会社 | Electro-optical device and electronic apparatus |
| KR102455318B1 (en) * | 2015-10-30 | 2022-10-18 | 삼성디스플레이 주식회사 | Organic light emitting display device |
| JP2018017978A (en) * | 2016-07-29 | 2018-02-01 | 株式会社ジャパンディスプレイ | Display device |
| JP2019078927A (en) * | 2017-10-26 | 2019-05-23 | 株式会社ジャパンディスプレイ | Display |
| CN107910296B (en) * | 2017-12-08 | 2021-02-02 | 京东方科技集团股份有限公司 | Flexible display panel mother board and cutting method thereof, flexible display panel and display device |
| CN109728194B (en) * | 2018-12-28 | 2021-04-02 | 上海天马微电子有限公司 | Display panel and display device |
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| CN110910755A (en) | 2020-03-24 |
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