CN112068344B - Display device and preparation method thereof - Google Patents
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- CN112068344B CN112068344B CN202010962645.9A CN202010962645A CN112068344B CN 112068344 B CN112068344 B CN 112068344B CN 202010962645 A CN202010962645 A CN 202010962645A CN 112068344 B CN112068344 B CN 112068344B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
Abstract
The invention provides a display device and a preparation method thereof. The display device comprises a first substrate, a second substrate, an upper polarizer and a conductive element which are oppositely arranged. The upper polarizer is attached to one surface, far away from the first substrate, of the second substrate. The conductive element comprises a first conductive part and a second conductive part, the first conductive part is arranged in the edge area of the first substrate, the first conductive part extends along the second substrate and the side edge of the upper polaroid towards the direction far away from the first substrate, and the second conductive part is arranged in the edge area of the upper surface of the upper polaroid. According to the invention, the protection film on the upper polaroid is subjected to the clearance design, and the second conductive part is arranged in the clearance area, so that the problem that metal debris is remained on the surface of the upper polaroid after the protection film is removed is solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a preparation method thereof.
Background
At present, in the industry of display products, the design of display products such as televisions, mobile phones and the like is changing day by day, and the lightness, thinness and narrow frame of the products are a trend of modern aesthetic beauty. By adopting the narrow frame design, the screen occupation ratio can be improved, and the user experience is improved. However, as the frame of the display product is narrowed, the conductive area of the corresponding display product is reduced, so that the metal conductive adhesive used for dissipating static electricity on the display product is likely to be applied to the protective film of the polarizer, and metal debris of the metal conductive adhesive remains on the polarizer after the protective film of the display product is removed, and poor bubbles of the attached foreign matter are likely to be formed in the subsequent attaching process.
Therefore, the problem that metal debris remains on the surface of the polarizer in the conventional display product needs to be solved.
Disclosure of Invention
The invention provides a display device and a preparation method thereof, which are used for relieving the technical problem that metal scraps exist on the surface of a polaroid in a display product.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the embodiment of the invention provides a display device, which comprises a first substrate, a second substrate, an upper polaroid and a conductive element, wherein the first substrate and the second substrate are oppositely arranged. The upper polarizer is attached to one surface, far away from the first substrate, of the second substrate. The conductive element comprises a first conductive part and a second conductive part, the first conductive part is arranged in the edge area of the first substrate, the first conductive part extends along the second substrate and the side edge of the upper polarizer towards the direction far away from the first substrate, and the second conductive part is arranged in the edge area of the upper surface of the upper polarizer. Wherein the first conductive portion and the second conductive portion are integrally provided.
In the display device provided by the embodiment of the invention, the material of the conductive element comprises a metal conductive adhesive.
In the display device provided in the embodiment of the invention, the conductive element covers and contacts the edge region of the first substrate, the side edges of the second substrate and the upper polarizer, and the edge region of the upper surface of the upper polarizer.
In the display device provided in the embodiment of the present invention, the first substrate is an array substrate, and the second substrate is a color film substrate.
In the display device provided in the embodiment of the present invention, the display device further includes a backlight module and a lower polarizer, the lower polarizer is attached to the surface of the first substrate away from the second substrate, and the backlight module is disposed below the lower polarizer.
The embodiment of the invention also provides a preparation method of the display device, which comprises the following steps: step S10, providing a liquid crystal display panel, where the liquid crystal display panel includes a first substrate and a second substrate that are disposed opposite to each other, and attaching a polarizer to a surface of the second substrate that is away from the first substrate, where a protective film is attached to a surface of the upper polarizer that is away from the second substrate. Step S20, opening a hole on a part of the edge region of the protective film to expose a part of the upper polarizer. Step S30, preparing a conductive element in the edge region of the first substrate, where the conductive element extends along the side edges of the second substrate and the upper polarizer toward a direction away from the first substrate to form a first conductive portion, and the conductive element further extends along the exposed surface of the upper polarizer into the opening to form a second conductive portion. Step S40, peeling the protective film, and attaching a cover sheet to the upper polarizer.
In the method for manufacturing a display device according to the embodiment of the present invention, in step S20, a punching process is used to open holes in the edge area of the protective film.
In the method for manufacturing a display device provided by the embodiment of the invention, the length of the opening is 500 micrometers, and the width of the opening is 250 micrometers.
In the method for manufacturing a display device according to the embodiment of the present invention, the material of the protective film includes polyethylene terephthalate.
In the method for manufacturing a display device provided by the embodiment of the invention, the material of the conductive element includes a metal conductive adhesive.
The invention has the beneficial effects that: according to the display device and the manufacturing method thereof, the protection film on the upper polaroid is subjected to the clearance design, and the second conductive part of the conductive element is arranged in the clearance area, so that the problem of poor foreign matter attaching bubble caused by the fact that metal debris of the conductive element remains on the surface of the upper polaroid after the protection film is removed is solved. And the contact area between the conductive element and the upper polarizer is increased, so that static electricity on the display device can be better dissipated. Meanwhile, the contact area between the conductive element and the upper polaroid is increased, so that the occupied space of the conductive element can be reduced on the premise of eliminating static electricity, and the narrow frame design is facilitated.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be 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 side view of a display device according to an embodiment of the invention;
fig. 2 is a schematic top view of a display device according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a method for manufacturing a display device according to an embodiment of the present invention;
fig. 4 to fig. 7 are schematic side view structures of components manufactured in steps of a manufacturing method 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 that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
In an embodiment, as shown in fig. 1, a display device 100 is provided, where the display device 100 includes a backlight module 10, a liquid crystal display panel 20 disposed on the backlight module 10, an upper polarizer 30 attached to an upper surface of the liquid crystal display panel 20, and a lower polarizer 40 attached to a lower surface of the liquid crystal display panel 20. The upper surface of the liquid crystal display panel 20 refers to a surface of the liquid crystal display panel 20 away from the backlight module 10, and the lower surface of the liquid crystal display panel 20 refers to a surface of the liquid crystal display panel 20 facing the backlight module 10. The liquid crystal display panel 20 includes a first substrate 21 and a second substrate 22 disposed opposite to each other, and a plurality of liquid crystal molecules 23 disposed between the first substrate 21 and the second substrate 22. The backlight module 10 may be of a side-in type backlight design or a direct type backlight design.
Specifically, the liquid crystal display panel 20 further includes a frame sealing adhesive 24, where the frame sealing adhesive 24 is disposed between the first substrate 21 and the second substrate 22 and located at the edges of the first substrate 21 and the second substrate 22, as shown in fig. 1, a side view structural diagram of a part of the structure of the display device 100 is shown, and the frame sealing adhesive 24 at one side is shown. The sealant 24 is used for sealing the plurality of liquid crystal molecules 23 and simultaneously bonding the first substrate 21 and the second substrate 22 together.
Further, since various traces or circuits such as bonding traces and anti-static circuits need to be disposed in the edge region of the first substrate 21, the orthographic projection of the second substrate 22 on the first substrate 21 falls completely within the first substrate 21 and does not completely cover the first substrate 21. As shown in fig. 2, the first substrate 21 is larger than the second substrate 22, the upper polarizer 30 is attached to a surface of the second substrate 22 away from the first substrate 21, and a coverage area of the upper polarizer 30 is smaller than that of the second substrate 22. The edge area of the first substrate 21 is also the area on the first substrate 21 not covered by the second substrate 22.
Further, as shown in fig. 1, the display device 100 further includes a conductive element 50, the conductive element 50 includes a first conductive portion 51 and a second conductive portion 52, the first conductive portion 51 is disposed in the edge region of the first substrate 21, and the first conductive portion 51 extends along the side edges of the second substrate 22 and the upper polarizer 30 toward a direction away from the first substrate 21. The second conductive part 52 is disposed at an edge region of the upper surface of the upper polarizer 30. Wherein the first conductive part 51 and the second conductive part 52 are integrally provided, and a dotted line inside the conductive element 50 in fig. 1 represents a virtual boundary line of the first conductive part 51 and the second conductive part 52. Of course, the first conductive part 51 of the conductive element 50 of the present invention further extends along the side edge of the frame sealing adhesive 24, and is not described herein again. It can be understood that, since the covering area of the upper polarizer 30 is smaller than that of the second substrate 22, the first conductive portion 51 covers a part of the edge area of the second substrate 22 after extending along the side edge of the second substrate 22.
Specifically, the upper polarizer 30 is attached to the upper surface of the second substrate 22 by an OCA (optical Clear adhesive) optical adhesive (not shown), which is a transparent high-viscosity adhesive.
Specifically, the material of the conductive element 50 includes a conductive material such as a metal conductive paste.
Further, the conductive element 50 covers and contacts the edge region of the first substrate 21, the sides of the second substrate 22 and the upper polarizer 30, and the edge region of the upper surface of the upper polarizer 30. Specifically, as the conductive member 50 shown in fig. 1, the sectional shapes of the first conductive portion 51 and the second conductive portion 52 are illustrated as being rectangular, but the present invention is not limited thereto. The first conductive portion 51 and the second conductive portion 52 have a combined cross-sectional shape of a block shape of an approximately inverted "L".
Specifically, the conductive element 50 contacts the second substrate 22, the side edges of the upper polarizer 30 and a portion of the upper surface of the upper polarizer 30 to dissipate static electricity in the liquid crystal display panel. The upper surface of the upper polarizer 30 refers to a surface of the upper polarizer 30 away from the second substrate 22.
Specifically, the second conductive part 52 is disposed in an edge region of the upper surface of the upper polarizer 30. Specifically, referring to fig. 1 and fig. 2, a protective film 31 is disposed on an upper surface of the upper polarizer 30, and the size of the protective film 31 is the same as that of the upper polarizer 30. The protective film 31 is opened in an area where the conductive element 50 is to be disposed, so as to form an opening 311 to expose the upper polarizer 30. The openings 311 are 500 microns long and 250 microns wide. Of course, the shape of the opening 311 and the size of the opening 311 in the present invention are not limited to those illustrated in fig. 2, and the shape of the opening 311 in the present invention may be an irregular arc, and the size of the opening 311 may be sufficient to ensure that the conductive element 50 is not disposed on the upper surface of the protective film 31. The second conductive portion 52 is disposed in the opening 311, so that when the protective film 31 on the upper polarizer 30 is removed, metal debris of the conductive element 50 can be prevented from remaining on the upper surface of the upper polarizer 30. It is understood that fig. 2 is a schematic top view of the display device before the protective film 31 is removed. The material of the protection film 31 includes polyethylene terephthalate (PET), and the like.
Further, as shown in fig. 2, by designing an opening in the protective film 31 on the upper polarizer 30 and disposing the second conductive part 52 in the opening 311, the contact area between the conductive element 50 and the upper polarizer 30 is increased, and static electricity on the surface of the liquid crystal display panel can be better dissipated. Meanwhile, the occupied area of the conductive element 50 can be reduced on the premise that the conductive element 50 dissipates the static electricity of the liquid crystal display panel. Therefore, the visible area 60 of the display device can be enlarged, and the non-visible interval D1 between the visible area 60 and the upper polarizer 30 can be reduced, so that the non-visible interval D1 is reduced to 100 micrometers, which is more beneficial to narrow frame design of products.
Of course, the display device 100 further includes a cover plate (not shown) disposed on the upper surface of the upper polarizer 30.
Specifically, the first substrate 21 is an array substrate, and the second substrate 22 is a color filter substrate. Of course, the Array substrate may be a conventional Array substrate, and may also be a Gate Driver on Array (GOA) substrate or a Color-filter on Array (COA) substrate.
In one embodiment, a method for manufacturing a display device is provided, as shown in fig. 3, which includes the steps of:
step S10, providing a liquid crystal display panel 20, where the liquid crystal display panel 20 includes a first substrate 21 and a second substrate 22 that are disposed opposite to each other, and attaching an upper polarizer 30 to a surface of the second substrate 22 away from the first substrate 21, where a protective film 31 is attached to a surface of the upper polarizer 30 away from the second substrate 22, as shown in fig. 4.
Specifically, the first substrate 21 is an array substrate, and the second substrate 22 is a color filter substrate. The edge area of the first substrate 21 is required to be provided with various traces or circuits such as a bonding trace and an anti-static circuit, so that the first substrate 21 is larger than the second substrate 22.
Further, a plurality of liquid crystal molecules 23 and a sealant 24 are disposed between the first substrate 21 and the second substrate 22, and the sealant 24 is used for sealing the plurality of liquid crystal molecules 23 and simultaneously bonding the first substrate 21 and the second substrate 22 together.
Further, the upper polarizer 30 is attached to a surface of the second substrate 22 away from the first substrate 21 by OCA optical cement (not shown). The protective film 31 on the surface of the upper polarizer 30 serves to protect the upper polarizer 30. The material of the protection film 31 includes polyethylene terephthalate (PET), and the like.
Step S20, opening a partial edge region of the protection film 31 to expose a portion of the upper polarizer 30, and forming an opening 311 as shown in fig. 5 and 2, where fig. 2 shows a top view structure of the opening 311, and fig. 5 shows a side view structure of the opening 311.
Specifically, the edge area of the protective film 31 is perforated by other processes such as punching. The openings 311 are 500 microns long and 250 microns wide. Of course, the shape of the opening 311 and the size of the opening 311 are not limited to the illustrated embodiments, and the shape of the opening 311 may be an irregular arc, and the size of the opening 311 may be sufficient to ensure that the conductive element 50 is not disposed on the upper surface of the protective film 31.
Step S30, preparing a conductive element 50 in the edge region of the first substrate 21, where the conductive element 50 extends along the sides of the second substrate 22 and the upper polarizer 30 toward a direction away from the first substrate 21 to form a first conductive portion 51, and the conductive element 50 further extends along the exposed surface of the upper polarizer 30 into the opening 311 to form a second conductive portion 52, so as to form the structure shown in fig. 6.
Specifically, the material of the conductive element 50 includes a conductive material such as a metal conductive paste. The metal conductive adhesive may be coated on the edge region of the first substrate 21, the second substrate 22, and the side surface of the upper polarizer 30 by a coating process, and extend into the opening 311.
Step S40, peeling the protective film 31, and attaching a cover plate to the upper polarizer 30 to form the structure shown in fig. 7, wherein the cover plate is not shown.
It can be understood that the method for manufacturing a display device of the present invention further includes the steps of pairing the backlight module and the liquid crystal display panel, and attaching the lower polarizer, which are not described herein again.
According to the above embodiments:
the invention provides a display device and a preparation method thereof. The upper polarizer is attached to one surface, far away from the first substrate, of the second substrate. The conductive element comprises a first conductive part and a second conductive part, the first conductive part is arranged in the edge area of the first substrate, the first conductive part extends along the second substrate and the side edge of the upper polaroid towards the direction far away from the first substrate, and the second conductive part is arranged in the edge area of the upper surface of the upper polaroid. Through carrying out the design of keeping away the sky to the protection film on the last polaroid to conductive element the second conductive part sets up in the region of keeping away the sky, has avoided getting rid of the metal piece of conductive element behind the protection film and remaining the problem that causes laminating foreign matter bubble badly on last polaroid surface. And the contact area between the conductive element and the upper polarizer is increased, so that static electricity on the display device can be better dissipated. Meanwhile, the contact area between the conductive element and the upper polaroid is increased, so that the occupied space of the conductive element can be reduced on the premise of eliminating static electricity, and the narrow frame design is facilitated.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A display device, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
the upper polaroid is attached to one surface, far away from the first substrate, of the second substrate; and
the conductive element comprises a first conductive part and a second conductive part, the first conductive part is arranged in the edge area of the first substrate, the first conductive part extends along the second substrate and the side edges of the upper polarizer towards the direction far away from the first substrate, and the second conductive part is arranged in the edge area of the upper surface of the upper polarizer;
the protective film on the upper polaroid is provided with an opening, and the second conductive part is arranged in the opening and used for preventing the conductive element from remaining scraps on the upper surface of the upper polaroid when the protective film is removed; the first conductive part and the second conductive part are integrally arranged, and the orthographic projection of the second conductive part on the first conductive part is not overlapped with the orthographic projection of the upper polarizer on the first conductive part.
2. The display device according to claim 1, wherein a material of the conductive member includes a metal conductive paste.
3. The display device according to claim 1, wherein the conductive member covers and contacts the edge region of the first substrate, the side edges of the second substrate and the upper polarizer, and the edge region of the upper surface of the upper polarizer.
4. The display device according to claim 1, wherein the first substrate is an array substrate, and the second substrate is a color filter substrate.
5. The display device according to claim 1, further comprising a backlight module and a lower polarizer, wherein the lower polarizer is attached to a surface of the first substrate away from the second substrate, and the backlight module is disposed under the lower polarizer.
6. A method for manufacturing a display device is characterized by comprising the following steps:
step S10, providing a liquid crystal display panel, wherein the liquid crystal display panel comprises a first substrate and a second substrate which are oppositely arranged, and a polarizer is attached to the surface of the second substrate far away from the first substrate, wherein a protective film is attached to the surface of the upper polarizer far away from the second substrate;
step S20, processing the opening of partial edge area of the protective film to expose partial upper polarizer;
step S30, preparing a conductive element in the edge region of the first substrate, where the conductive element extends along the side edges of the second substrate and the upper polarizer toward a direction away from the first substrate to form a first conductive portion, and the conductive element further extends along the exposed surface of the upper polarizer into the opening to form a second conductive portion; and
step S40, peeling the protective film, and attaching a cover sheet to the upper polarizer.
7. The method of manufacturing a display device according to claim 6, wherein in step S20, the partial edge region of the protective film is subjected to a punching process.
8. The method of manufacturing a display device according to claim 7, wherein the opening has a length of 500 μm and a width of 250 μm.
9. The method of claim 7, wherein the protective film comprises polyethylene terephthalate.
10. The method of claim 6, wherein the conductive element comprises a metal conductive paste.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962645.9A CN112068344B (en) | 2020-09-14 | 2020-09-14 | Display device and preparation method thereof |
| PCT/CN2020/130759 WO2022052315A1 (en) | 2020-09-14 | 2020-11-23 | Display apparatus and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010962645.9A CN112068344B (en) | 2020-09-14 | 2020-09-14 | Display device and preparation method thereof |
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| CN112068344A CN112068344A (en) | 2020-12-11 |
| CN112068344B true CN112068344B (en) | 2022-02-22 |
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| WO (1) | WO2022052315A1 (en) |
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| TWI828409B (en) * | 2022-11-08 | 2024-01-01 | 和碩聯合科技股份有限公司 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11202349A (en) * | 1998-01-12 | 1999-07-30 | Semiconductor Energy Lab Co Ltd | Display device |
| KR20050064386A (en) * | 2003-12-23 | 2005-06-29 | 엘지.필립스 엘시디 주식회사 | Liquid crystal display device |
| CN101165573B (en) * | 2006-10-18 | 2010-05-12 | 群康科技(深圳)有限公司 | Liquid crystal display panel and method for producing same |
| CN101625462B (en) * | 2008-07-07 | 2012-09-05 | 奇美电子股份有限公司 | Liquid crystal display module and liquid crystal display |
| KR101032440B1 (en) * | 2008-09-26 | 2011-05-03 | 엘지디스플레이 주식회사 | Liquid Crystal Display and Fabricating Method thereof |
| JP2011170200A (en) * | 2010-02-19 | 2011-09-01 | Seiko Instruments Inc | Liquid crystal device and method of manufacturing liquid crystal device |
| US8876308B2 (en) * | 2012-12-13 | 2014-11-04 | Htc Corporation | Display module and electronic device |
| CN203275818U (en) * | 2013-05-22 | 2013-11-06 | 上海天马微电子有限公司 | Display module and display device |
| CN104536184A (en) * | 2014-12-25 | 2015-04-22 | 上海天马微电子有限公司 | Display panel and display device |
| CN204807871U (en) * | 2015-05-08 | 2015-11-25 | 上海天马微电子有限公司 | Display panel and display device |
| CN105717710B (en) * | 2016-04-05 | 2019-01-08 | 友达光电（昆山）有限公司 | A kind of display panel and its manufacturing method |
| CN105892177B (en) * | 2016-06-17 | 2020-04-17 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN107765924B (en) * | 2017-11-07 | 2021-02-09 | 业成科技（成都）有限公司 | Touch film, manufacturing method thereof and touch screen |
| CN109917598B (en) * | 2017-12-13 | 2022-05-24 | 元太科技工业股份有限公司 | Flexible display device and method for manufacturing the same |
| CN208044253U (en) * | 2018-05-08 | 2018-11-02 | 信利半导体有限公司 | A kind of narrow frame full view LCD panel |
| CN209014756U (en) * | 2018-12-11 | 2019-06-21 | 惠科股份有限公司 | A kind of polaroid, display panel and display |
| CN110928003A (en) * | 2019-12-11 | 2020-03-27 | 维沃移动通信有限公司 | Display module and electronic equipment |
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| WO2022052315A1 (en) | 2022-03-17 |
| CN112068344A (en) | 2020-12-11 |
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