CN108847138B - Display and manufacturing method thereof - Google Patents
Display and manufacturing method thereof Download PDFInfo
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- CN108847138B CN108847138B CN201810778919.1A CN201810778919A CN108847138B CN 108847138 B CN108847138 B CN 108847138B CN 201810778919 A CN201810778919 A CN 201810778919A CN 108847138 B CN108847138 B CN 108847138B
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- touch control
- layer
- control panel
- display
- circuit board
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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
- G09F9/301—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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The display comprises a touch control panel, a polarizing layer and a light shielding layer, wherein a concave part is arranged on one side, close to the touch control panel, of the polarizing layer, and the light shielding layer is arranged in the concave part to shield light rays emitted from the touch control panel corresponding to the concave part.
Description
Technical Field
The application relates to the technical field of display, in particular to a display and a manufacturing method of the display.
Background
As the display technology is continuously developed, flexible displays have been produced, and have received wide attention from the outside due to their low power and flexible characteristics.
For the O L ED (Organic L light-Emitting Diode) module frame in the Flexible display, there are two manufacturing processes of TSP (Touch Screen Panel) and PO L (Polarizer), one is to bond TFPC (Touch Flexible printed circuit board) between PO L and TSP and then bond TFPC, and the other is to bond TSP and PO L, wherein, because there is a break in the region where TFPC is bonded, directly bonding PO L and TSP will generate bubbles and extend to the display region, affecting the display effect.
In actual operation, in order to reduce the frame of the display, the distance between the boundary of the PO L groove and the display area is desirably as small as possible, but in this case, light emitted from the O L ED module is refracted in the buffer area through the transparent TSP and exits the display due to the fact that the PO L is not shielded in the binding area (groove area), so that a light leakage phenomenon is caused, and the quality of the display is reduced.
Disclosure of Invention
In order to solve the above problem, the present application provides a display and a method for manufacturing the display, in which a light shielding layer is disposed in a region (a recessed region) where a TFPC is bonded to shield light emitted from a touch control panel corresponding to the recessed region, so as to solve the problem of light leakage of the display.
The application provides a display, including touch control panel and polarisation layer, one side that the polarisation layer is close to touch control panel is provided with the depressed part, and this display still includes: a light-shielding layer;
the light shielding layer is arranged in the concave part to shield light rays emitted from the touch control panel corresponding to the concave part.
Based on the same inventive concept, the application also provides a manufacturing method of the display, which comprises the following steps:
slotting one side of the polarizing layer close to the touch control panel to form a concave part;
and coating or attaching a light shielding layer at a preset position in the recessed part to shield light rays emitted from the touch control panel corresponding to the recessed part.
The application of the embodiment of the application can obtain the following beneficial effects:
the display provided by the embodiment of the application solves the light leakage problem of the display under the condition of ensuring a narrow frame (for example, the boundary distance of the PO L groove is as small as possible from the display area so as to reduce the width of the display frame).
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a display provided in the present application;
FIG. 2 is a schematic diagram of a display according to the prior art;
FIG. 3 is a schematic diagram of AA, VA and bezel of a display provided herein;
FIG. 4 is a schematic structural diagram of a polarizing layer provided in the present application;
FIG. 5 is a schematic diagram of another display according to the present application;
FIG. 6 is a schematic structural diagram of yet another display provided herein;
FIG. 7 is a schematic flow chart illustrating a method for fabricating a display according to the present disclosure;
fig. 8 is a schematic flowchart illustrating a method for manufacturing a display according to the present disclosure;
FIG. 9 is a schematic flow chart of another method for fabricating a display according to the present application;
fig. 10 is a schematic specific flowchart of another method for manufacturing a display according to the present application.
The reference numerals are introduced as follows:
101-touch control panel, 102-polarizing layer, 103-shading layer, 104-touch control circuit board, 105-cover glass and 106-optical adhesive.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
As used herein, the singular forms "a", "an", "the" 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 in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The following describes in detail various embodiments of the present application.
The embodiment of the application provides a display, and a schematic structural diagram of the display is shown in fig. 1, and specifically includes the following components:
the touch control panel comprises a touch control panel 101, a polarizing layer 102 and a light shielding layer 103, wherein a concave part is arranged on one side, close to the touch control panel 101, of the polarizing layer 102, and the light shielding layer 103 is arranged in the concave part to shield light rays emitted from the touch control panel 101 corresponding to the concave part. Specifically, as shown in fig. 1, the area surrounded by abcd in the polarizing layer 102 is a recessed portion, in which the light shielding layer 103 is located.
Fig. 2 shows a display in the prior art, in which light emitted from an O L ED module is transmitted through a touch control panel 101 (the touch control panel 101 is usually transparent), refraction occurs at a contact interface between the touch control panel 101 and air, the refracted light is OA, the light is finally emitted out of the display, the light finally emitted out of the display is OB, and if an Area where the light OB exits is an Area between a display Area (Active Area, AA) and a visible Area (View Area, VA), a light leakage phenomenon occurs.
Specifically, as shown in fig. 3, which is a schematic plan view of a display in an embodiment of the present application, where AA is an effective display area of the display, VA is a display area corresponding to a cover glass 105 in the display, and VA is generally larger than the area of AA because the AA and VA need to be attached to each other and the VA is located at an outer layer of the display relative to the AA. As shown in fig. 3, the EF area is a frame of the display, and the grooved area of the polarizing layer 102 is located in the GF area, so that light rays emitted from the touch control panel 101 corresponding to the grooved area are easily emitted from the GE area due to no shielding of the polarizing layer 102, that is: light leakage occurs and the user only needs to see light in the AA area in practice.
According to the display provided by the embodiment of the application, the light shielding layer 103 is arranged in the concave part of the polarizing layer 102 close to the touch control panel 101, and the light shielding layer 103 is used for shielding light emitted from the touch control panel 101 corresponding to the concave part.
As shown in FIG. 1, the embodiment of the present application provides a display structure, in which a recessed portion includes a horizontal portion ad and a vertical portion ab, the horizontal portion ad is vertically connected with the vertical portion ab, the horizontal portion ad is parallel to the touch control panel 101, the vertical portion ab is perpendicular to the touch control panel 101, a light shielding layer 103 is coated or attached on the horizontal portion ad and the vertical portion ab, and for the display structure, light from an O L ED module passes through a bc region on the touch control panel 101 and is finally blocked by the light shielding layer 103 located on the ab and the ad, so that the light cannot exit the display, and the probability of light leakage in the display is reduced.
In a specific embodiment, as shown in fig. 4, which is a schematic structural diagram of the polarizing layer 102, the horizontal portion ad is sequentially provided with a protective layer, a Tri-cellulose acetate (TCA) layer along a direction perpendicular to the touch control panel 101; the vertical portion ab is provided with, in order along a direction perpendicular to the touch control panel 101: polyvinyl Alcohol (PVA), cellulose Triacetate (TCA), a first Pressure Sensitive Adhesive (PSA), a phase difference film, and a second Pressure Sensitive Adhesive (PSA). As can be seen from fig. 4, the thickness of the vertical portion ab is thicker, for the recessed portion, the PVA layer, the TCA, the first PSA, the ND-flim, and the second PSA layer are removed, and the light shielding layer 103 disposed in the embodiment of the present application is very thin, so that the recessed portion can leave enough space for placing the touch circuit board 104, and the horizontal portion ad and the vertical portion ab both keep a certain distance from the touch circuit board 104, and do not interfere with the touch circuit board 104, so that the normal operation of the touch circuit board 104 is not affected.
As shown in fig. 5, an embodiment of the present application provides another display structure, where the display includes: the touch circuit board 104, the touch circuit board 104 is located in the recess, and a gap (br) is left between the boundary (ab) of the slot of the polarizing layer 102 and one end of the touch circuit board 104 close to the boundary. The display is formed by coating or attaching a light shielding layer 103 on the touch control panel 101 (br) between the touch control circuit board 104 (pq), the end (pr) of the touch control circuit board 104 close to the boundary, and the end (pr) of the touch control circuit board 104 close to the boundary. As can be seen from fig. 5, the light-shielding layer 103 at three positions br, pr, and pq can block light emitted from the bc region on the touch control panel 101, thereby solving the problem of light leakage in the display.
As shown in fig. 6, an embodiment of the present application provides yet another display structure, where the display includes: and a cover glass 105, wherein the cover glass 105 is disposed on the polarizing layer 102, and the polarizing layer 102 and the cover glass 105 are adhered by a layer of optical adhesive 106, and the optical adhesive 106 may be an oca (optical Clear adhesive) optical adhesive 106. The light shielding layer 103 is coated or attached on the optical adhesive 106 layer and the polarizing layer 102 forming the concave portion, as shown in fig. 6, the light shielding layer 103 is coated or attached on the ad surface of the optical adhesive 106 layer and the ab surface of the polarizing layer 102, obviously, the light shielding layer 103 on ab and ad can also block the light emitted from the bc area on the touch control panel 101.
In the display structure shown in fig. 1 in the embodiment of the present application, the polarization layer 102 is grooved, so that a horizontal portion ad and a vertical portion ad are presented on one side of the polarization layer 102 close to the touch control panel 101, and the light shielding layer 103 is attached to the horizontal portion ad and the vertical portion ad, which substantially improves the polarization layer 102; in fig. 5 and 6, compared with the prior art, the light shielding layer 103 is added in the grooved region (recessed region). Both of these approaches can solve the light leakage problem of the display.
It should be noted that: the displays shown in fig. 1, fig. 5 and fig. 6 are only exemplary structures of the display in the embodiment of the present application, and in practical applications, there are many ways to add the light shielding layer 103 to the grooved area of the polarizing layer 102, which is not particularly limited in the embodiment of the present application.
The light-shielding layer 103 in the embodiment of the present application may be a light-shielding layer 103 formed by coating/spraying a light-shielding liquid glue, for example, the light-shielding layer 103 may be a black ink layer; alternatively, the light-shielding layer 103 may be a solid light-shielding layer 103 attached thereto, and for example, the light-shielding layer 103 may be black foam, a black tape, or the like. In a specific embodiment, the light-shielding layer 103 may have a thickness of 10 microns to 20 microns.
In practical applications, the length of the light shielding layer 103 can be determined according to the length of the recessed area in the light shielding layer 103, but cannot exceed the length of the recessed area (or the touch control panel 101 corresponding to the recessed area) in the light shielding layer 103, as shown in fig. 1, the length of the light shielding layer 103 attached on the horizontal portion ad is less than or equal to ad (bc).
Based on the same inventive concept, an embodiment of the present application further provides a manufacturing method of a display, where a flow diagram of the manufacturing method of the display is shown in fig. 7, and the method specifically includes the following steps:
s701: a groove is formed on one side of the polarizing layer 102 close to the touch control panel 101 to form a concave part.
S702: the light shielding layer 103 is coated or attached at a predetermined position in the recess to shield light emitted from the touch control panel 101 corresponding to the recess.
For S701, a groove is formed in a side of the polarizing layer 102 close to the touch control panel, and the groove may be formed by physical etching or chemical etching, and finally a recess with a preset shape is formed.
For S702, the light-shielding layer 103 is added at the preset position in the recess by coating/spraying a light-shielding liquid glue, for example, spraying black ink at the preset position in the recess to form a black ink layer; or the solid light-shielding layer 103 is attached at a preset position in the recess, for example, black foam or black tape is attached at a preset position in the recess.
An embodiment of the present application further provides a specific manufacturing method of a display, where a flow diagram of the manufacturing method of the display is shown in fig. 8, and the method specifically includes the following steps:
s801: a horizontal portion and a vertical portion are provided at a side of the polarizing layer 102 close to the touch control panel 101, and the horizontal portion and the vertical portion are vertically connected, the horizontal portion being parallel to the touch control panel 101, and the vertical portion being perpendicular to the touch control panel 101.
S802: the light-shielding layer 103 is coated or attached on the horizontal portion and the vertical portion.
The specific implementation of S801 is similar to that of S701, and the specific implementation of S802 is similar to that of S702, which are not described herein again.
As for the manufacturing method of the display composed of S801 and S802, as shown in fig. 1, the polarizing layer 102 is modified to block the light emitted from the touch control panel 101 corresponding to the concave portion, substantially compared to the prior art, by forming the polarizing layer 102 into a predetermined shape (horizontal portion ad and vertical portion ab), and coating/attaching the light shielding layer 103 on the horizontal portion ad and the vertical portion ab.
The embodiment of the present application further provides another specific manufacturing method of a display, a flowchart of the manufacturing method of the display is shown in fig. 9, and the manufacturing method specifically includes the following steps:
s901: a groove is formed on one side of the polarizing layer 102 close to the touch control panel 101 to form a concave part.
S902: the light shielding layer 103 is coated or attached on the touch control panel 101 on the touch control circuit board 104, on one end of the touch control circuit board 104 near the boundary of the slot of the polarizing layer 102, and between the boundary and one end of the touch control circuit board 104 near the boundary.
The specific implementation of S901 is similar to that of S701, and the specific implementation of S902 is similar to that of S702, which are not described herein again.
As shown in fig. 5, the method for manufacturing the display device in S901 and S902 is to coat/attach the light shielding layer 103 on the concave portion (i.e., add the light shielding tape), specifically, coat or attach the light shielding layer 103 on the touch control panel 101 (br) between the touch control circuit board 104 (pq), the end (pr) of the touch control circuit board 104 close to the boundary, and the end (pr) of the touch control circuit board 104 close to the boundary, so as to shield the light emitted from the touch control panel 101 corresponding to the concave portion.
The embodiment of the present application further provides another specific manufacturing method of a display, a flowchart of the manufacturing method of the display is shown in fig. 10, and the manufacturing method specifically includes the following steps:
s1001: a groove is formed on one side of the polarizing layer 102 close to the touch control panel 101 to form a concave part.
S1002: the light shielding layer 103 is coated or attached on the optical glue 106 layer and the polarizing layer 102 constituting the depression.
For S1001, as shown in fig. 6, the side of the polarizing layer 102 close to the touch control panel 101 is grooved, and the formed concave portion is specifically composed of the optical adhesive 106 layer (ad portion) and the polarizing layer 102(ab portion) between the cover glass 105 and the polarizing layer 102.
For S1002, specifically, the light shielding layer 103 is coated or attached on the optical adhesive 106 layer ad portion and the polarizing layer 102ab portion constituting the recessed portion.
Similarly, the specific implementation of S1001 is similar to that of S701, and the specific implementation of S1002 is similar to that of S702, which are not described herein again.
The application of the embodiment of the application can obtain the following beneficial effects:
1. the display provided by the embodiment of the application solves the light leakage problem of the display under the condition of ensuring a narrow frame (for example, the boundary distance of the PO L groove is as small as possible from the display area so as to reduce the width of the display frame).
2. In an implementation manner provided by the embodiment of the present application, the recessed portion mainly includes: the touch control circuit board is arranged in a space formed by the horizontal part and the vertical part, and the horizontal part is away from the touch control circuit board by a certain distance, and a gap is also reserved between the vertical part and the touch control circuit board, so that the concave part provided by the embodiment of the application cannot interfere with the work of the touch control circuit board; and a light shielding layer is arranged on the horizontal part and the vertical part and is used for shielding light rays emitted from the touch control panel corresponding to the depressed part, so that the problem of light leakage of the display is solved.
3. In another embodiment provided by the embodiment of the present application, a light shielding layer is coated or attached on the touch control panel on the touch control circuit board, at least one end of the touch control circuit board close to the boundary, and between the boundary and the end of the touch control circuit board close to the boundary, so as to shield light emitted from the touch control panel corresponding to the recessed portion, and also solve the problem of light leakage of the display.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (6)
1. The utility model provides a display, includes touch control panel and polarisation layer, the polarisation layer is close to one side of touch control panel is provided with the depressed part, its characterized in that still includes: a light-shielding layer;
the light shielding layer is arranged in the concave part to shield light rays emitted from the touch control panel corresponding to the concave part;
the recess includes: a horizontal part and a vertical part vertically connected therebetween, the horizontal part being parallel to the touch control panel, the vertical part being perpendicular to the touch control panel; coating or attaching the light shielding layer on the horizontal part and the vertical part;
alternatively, the display further comprises: the touch circuit board is positioned in the concave part, and a gap is reserved between the boundary of the polarizing layer slot and one end of the touch circuit board close to the boundary; and coating or attaching the shading layer on the touch control panel on the touch control circuit board, one end of the touch control circuit board close to the boundary and between the boundary and one end of the touch control circuit board close to the boundary.
2. The display device according to claim 1, wherein the horizontal portion is provided with a protective layer, a triacetyl cellulose layer in this order in a direction perpendicular to the touch control panel;
the vertical part is sequentially provided with the following components along the direction vertical to the touch control panel: polyvinyl alcohol layer, cellulose triacetate layer, first pressure-sensitive adhesive layer, phase difference membrane, second pressure-sensitive adhesive layer.
3. The display according to claim 1, comprising: the cover plate glass is positioned on the polarizing layer, and the polarizing layer and the cover plate glass are adhered through an optical adhesive layer;
the shading layer is coated or attached to the optical adhesive layer and the polarizing layer which form the concave part.
4. The display according to any one of claims 1 to 3, wherein the light shielding layer comprises at least one of:
a black ink layer; black foam; black tape.
5. A display as claimed in any one of claims 1 to 3, characterised in that the light-shielding layer has a thickness of 10 to 20 microns.
6. A method for manufacturing a display, comprising:
slotting one side of the polarizing layer close to the touch control panel to form a concave part;
coating or attaching a light shielding layer at a preset position in the recessed part to shield light rays emitted from the touch control panel corresponding to the recessed part; the manufacturing method of the display further comprises the following steps:
arranging a horizontal part and a vertical part on one side of the polarized light layer close to the touch control panel, wherein the horizontal part and the vertical part are vertically connected, the horizontal part is parallel to the touch control panel, and the vertical part is vertical to the touch control panel; coating or attaching the light shielding layer on the horizontal portion and the vertical portion;
or the light shielding layer is coated or attached on the touch control panel on the touch control circuit board, at one end of the touch control circuit board close to the boundary of the polarized light layer slot and between the boundary and the end of the touch control circuit board close to the boundary, wherein the touch control circuit board is positioned in the concave part, and a gap is reserved between the boundary of the polarized light layer slot and the end of the touch control circuit board close to the boundary.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810778919.1A CN108847138B (en) | 2018-07-16 | 2018-07-16 | Display and manufacturing method thereof |
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| CN201810778919.1A CN108847138B (en) | 2018-07-16 | 2018-07-16 | Display and manufacturing method thereof |
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| CN108847138B true CN108847138B (en) | 2020-08-04 |
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| CN109375825B (en) * | 2018-12-12 | 2020-10-13 | 武汉华星光电半导体显示技术有限公司 | Touch display device and preparation method thereof |
| CN110782776B (en) * | 2019-01-10 | 2022-02-18 | 云谷（固安）科技有限公司 | Display panel, manufacturing method thereof and display device |
| CN111142713B (en) * | 2020-01-20 | 2023-12-29 | 京东方科技集团股份有限公司 | Display device and shading ring mounting method |
| CN113823195A (en) * | 2021-11-03 | 2021-12-21 | 合肥维信诺科技有限公司 | Display device and method for manufacturing the same |
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| CN108257504A (en) * | 2018-01-24 | 2018-07-06 | 广东欧珀移动通信有限公司 | Display device and electronic equipment |
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| CN108847138A (en) | 2018-11-20 |
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