CN109321156B - Shading adhesive tape, backlight module, display device and manufacturing and using methods - Google Patents
Shading adhesive tape, backlight module, display device and manufacturing and using methods Download PDFInfo
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- CN109321156B CN109321156B CN201811213495.0A CN201811213495A CN109321156B CN 109321156 B CN109321156 B CN 109321156B CN 201811213495 A CN201811213495 A CN 201811213495A CN 109321156 B CN109321156 B CN 109321156B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
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- Organic Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a shading adhesive tape, a backlight module, a display device, a manufacturing method and a using method, wherein the shading adhesive tape comprises the following components: the first shading base material comprises a first part and a second part positioned at the first edge of the shading tape, and a first colloid adhered to the first surface of the first part; the second shading base material comprises a third part and a fourth part positioned at the first edge of the shading adhesive tape, and a second colloid adhered to the first surface of the third part; a first bond and a second bond; an extensible body including a fixed portion and an extensible portion; the fixed part is respectively through second bonding portion and first portion and second portion fixed connection, and the extensible part is respectively through first bonding portion and second portion and fourth portion fixed connection and from first edge expose, but extension portion can be under the exogenic action along expose the direction extension thereby drive second portion and fourth portion respectively for first portion and third portion to expose the direction removal and after removing the exogenic action but extension portion does not retract.
Description
Technical Field
The invention relates to the technical field of display, in particular to a shading adhesive tape, a backlight module, a display device, a manufacturing method and a using method.
Background
The shading adhesive tape is an adhesive tape commonly used in the backlight module, and has the effects of shading edge light and preventing edge light leakage on one hand; and on the other hand, functions as a display panel fixed thereto. In recent years, with the market demands of thinning and low power consumption of display devices, especially when the display panel is fixed by the light-shielding adhesive tape on the existing ultra-narrow frame, an assembler is required to ensure straight line attachment in the process of attaching the light-shielding adhesive tape, and seamless butt joint is required at the junction of each adhesive tape. The operation requirement is a difficult challenge for production workers, straight line adhesion and seamless butt joint are difficult to achieve, so that light leakage phenomena of different degrees occur at the junction of the adhesive tapes, poor display is caused, and foreign matter and dust enter the gap at the junction, so that poor display of a main picture is further caused.
Meanwhile, the designer must consider both the dimension required by the actual product and the error of the production worker during the operation at the beginning of the design. The whole size and the tolerance are difficult to grasp, if the size tolerance is too large, the junction is crossed when being attached, if the size tolerance is too small, gaps are formed in the junction, and the manipulation and operation habits of each production worker cannot be unified by 100%, so that a designer is difficult to give a size which meets the product performance and the operation of the production worker and does not have poor performance.
Disclosure of Invention
In order to solve at least one of the above-mentioned problems, a first aspect of the present invention provides a light-shielding tape comprising:
a first light-shielding substrate including a first portion and a second portion at a first edge of the light-shielding tape;
a first gel adhered to the first surface of the first portion;
a second light-shielding substrate comprising a third portion and a fourth portion at a first edge of the light-shielding tape;
a second glue adhered to the first surface of the third portion;
a first bond and a second bond;
an extensible body including a fixed portion and an extensible portion;
wherein
The fixing part is fixedly connected with a second surface, opposite to the first surface, of the first part and fixedly connected with a second surface, opposite to the first surface, of the third part through the second bonding part; and is
The extendable portion is fixedly connected with the second portion and the fourth portion through the first bonding portion and is exposed from the first edge, and the extendable portion can extend along the exposure direction under the action of external force so as to drive the second portion and the fourth portion to move towards the exposure direction relative to the first portion and the third portion respectively and does not retract after the external force is removed.
Further, the second bond is disposed at a second edge of the light-shielding tape, wherein the second edge is opposite the first edge.
Further, the extendable portion is composed of an extendable structure and a body structure, and the body structure is fixedly connected with the second portion and the fourth portion through the first bonding portion and is exposed from the first edge.
Further, the first bonding portion includes a first sub-bonding portion and a second sub-bonding portion, a first surface of the first sub-bonding portion is bonded to the second portion, a second surface of the first sub-bonding portion opposite to the first surface is bonded to at least a portion of the main body structure, the first surface of the second sub-bonding portion is bonded to the fourth portion, and a second surface of the second sub-bonding portion opposite to the first surface is bonded to at least a portion of the main body structure;
the second bonding portion comprises a third sub bonding portion and a fourth sub bonding portion, the third sub bonding portion is bonded with one side, close to the first shading base material, of the fixing portion of the extensible body, and the fourth sub bonding portion is bonded with one side, close to the second shading base material, of the fixing portion of the extensible body.
Further, the extensible body is made of PET material, and the extending structure is wavy, zigzag or comprises alternately arranged protrusions and grooves.
The second aspect of the present invention provides a backlight module, including the light-shielding tape of the first aspect.
The third aspect of the present invention provides a display device, including the backlight module of the second aspect.
A fourth aspect of the present invention provides a method for manufacturing a light-shielding tape, including:
bonding the first shading base material with the first colloid;
dividing the first light-shielding base material into a first portion bonded to the first gel and a second portion not bonded to the first gel;
bonding the second shading base material with the second colloid;
dividing the second light-shielding base material into a third portion bonded to the second gel and a fourth portion not bonded to the second gel;
fixing a portion of the extensible body to the first and third portions by a second adhesive portion, thereby forming the fixed portion;
an extendable portion is secured to the second and fourth portions by a first adhesive portion and emerges from the first edge.
A fifth aspect of the present invention provides a method for using the light-shielding tape of the first aspect, wherein the light-shielding tape is bonded to a frame of a light-emitting module by a first adhesive;
bonding a matched module matched with the light-emitting module on the shading adhesive tape through the second adhesive;
when a gap exists between the shading tapes on two adjacent frames on the frame of the light-emitting module, the extensible parts which are exposed are stretched along the exposure direction so as to drive the second part and the fourth part to move towards the exposure direction relative to the first part and the third part respectively until the gap is completely filled by the second part and the fourth part.
Furthermore, the light-emitting module is a backlight module, and the matched module is a liquid crystal display panel; or
The light-emitting module is an OLED display panel, and the matched module is a cover plate.
The invention has the following beneficial effects:
aiming at the existing problems, the invention sets a shading adhesive tape, an extensible body is arranged between a first shading base material and a second shading base material, and the extensible body is stretched to drive a part of the first shading base material and a part of the second shading base material to move outwards, so that the seamless butt joint of the shading adhesive tape at the corner of a display device is realized, the problems in the prior art are solved, the operation difficulty is reduced, the product yield is effectively improved, and the display effect is further improved.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of a masking tape on a backlight module in the prior art;
fig. 2 is a schematic structural view of a light-shielding tape according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the stretching of the masking tape according to one embodiment of the present invention;
FIG. 4 is a cross-sectional view of a light blocking tape according to an embodiment of the present invention in a second orientation;
FIG. 5 is a third cross-sectional view of a light blocking tape according to an embodiment of the present invention;
FIG. 6 shows a top view of a stretch of masking tape according to one embodiment of the present invention;
fig. 7 is a schematic view showing a structure of stretching of a light-shielding tape according to another embodiment of the present invention;
FIG. 8 is a flow chart of a method of making a masking tape according to one embodiment of the present invention;
fig. 9 shows a flowchart of a method of using the masking tape according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, an appearance diagram of an MN/T backlight module with an ultra-narrow frame is shown, where a circle of light-shielding tape is disposed at an edge of the backlight module, and is used to shield edge light to prevent edge light leakage, and to fix a display panel thereon. Production workers are required to attach the shading adhesive tape to the backlight module in a straight line in the production process, and the shading adhesive tape has dimensional tolerance, so that straight line attachment and seamless butt joint are difficult to achieve, light leakage of different degrees is easily caused to occur at the junction (1, 2, 3 and 4 shown in the figure) of the adhesive tape, poor display is generated, and the gap at the junction can cause the entrance of foreign matter and dust to further cause poor display of a main picture.
To solve the above problems, an embodiment of the present invention provides a light-shielding tape including: a first light-shielding substrate including a first portion and a second portion at a first edge of the light-shielding tape; a first gel adhered to the first surface of the first portion; a second light-shielding substrate comprising a third portion and a fourth portion at a first edge of the light-shielding tape; a second glue adhered to the first surface of the third portion; a first bond and a second bond; an extensible body including a fixed portion and an extensible portion; wherein the fixing portion is fixedly connected with a second surface of the first portion opposite to the first surface and fixedly connected with a second surface of the third portion opposite to the first surface by the second bonding portion; and the extendable portion is fixedly connected with the second portion and the fourth portion through the first bonding portion and is exposed from the first edge, and the extendable portion can be extended along the exposure direction under the action of external force so as to drive the second portion and the fourth portion to move towards the exposure direction relative to the first portion and the third portion respectively and not retract after the external force is removed.
In a specific example, as shown in fig. 2, the light-shielding tape includes a first light-shielding substrate 1, a second light-shielding substrate 2, and an extensible body 5 (i.e., an extensible body having an extensible property and capable of being extended by an external force), the first light-shielding substrate 1 includes a first portion 11 and a second portion 12 located at a first edge of the light-shielding tape, and a first gel 13 bonded to an upper surface of the first portion 11 in a vertical direction; the second light-shielding base material 2 includes a third portion 21 and a fourth portion 22 at a first edge of the light-shielding tape, and a second colloid 23 adhered to a lower surface of the third portion 21 in the vertical direction; the extensible body 5 includes a fixed portion 51 and an extensible portion 52. Wherein the fixing portion 51 is fixedly connected with the lower surface of the first portion 11 in the vertical direction through the second bonding portion 3, and is fixedly connected with the upper surface of the third portion 21 in the vertical direction through the second bonding portion 3, in this example, the second bonding portion 3 is disposed at the second edge of the light-shielding tape, wherein the second edge is opposite to the first edge, that is, the second bonding portion 3 is located at the edge of the light-shielding tape in the horizontal direction, and is opposite to the first edge, that is, the first bonding portion 4 and the second bonding portion 3 are respectively located at the two side edges of the light-shielding tape in the horizontal direction, and the bonding effect of the first light-shielding substrate 1 and the second light-shielding substrate 2 with the extensible body 5 is the best; the extendable portion 52 is fixedly connected with the second portion 12 and the fourth portion 22 through the first bonding portion 4 and is exposed from the first edge, that is, the length of the extended body 5 in the horizontal direction is greater than the length of the first base material 1 and the second base material 2, and besides the extendable portion 52 is fixedly connected with the first bonding portion 4 at the first edge, the extendable portion 52 is in a non-adhesive state at two sides in the vertical direction, and a stretching space is provided for the extendable portion.
When two adjacent light-shielding tapes are attached to form a gap, as shown in fig. 3, the extensible part 52 is stretched outwards along the exposure direction to drive the second part 12 and the fourth part 22 to move outwards to fill the gap, and the extensible part 52 does not retract after stretching, so that the second part 12 and the fourth part 22 fill the gap and realize the light-shielding function of the gap. As shown in fig. 4, a cross-sectional view of the second portion of the light-shielding tape and the first light-shielding substrate 1, and the fourth portion of the light-shielding tape and the second light-shielding substrate 2 in the vertical direction is shown, wherein the extendable body 5 drives the second portion and the fourth portion to move, so as to form a cut opening 100. The cutting opening 100 may be formed when the light shielding tapes are formed, and when a gap is formed by attaching two adjacent light shielding tapes, the extensible body is stretched to extend the second portion and the fourth portion of the light shielding tapes through the cutting opening 100 so as to fill the gap; if no gap is generated when two adjacent shading tapes are attached, the extensible body does not need to be stretched. As shown in fig. 5, the cross-sectional view of the light-shielding tape is rotated 90 degrees clockwise in the direction perpendicular to the paper surface; as shown in fig. 6, which is a top view of the stretched light-shielding tape, the extendable portion of the extendable body 5 drives the second portion and the fourth portion to fill the gap.
As shown in fig. 7, the extendable portion further comprises an extendable mechanism 521 and a body structure 522, wherein the body structure 522 is fixedly connected with the second portion 12 and the fourth portion 22 through the first bonding portion 4 and is exposed from the first edge. That is, the extendable portion includes an extension structure 521 with an extension performance, two sides of the extension structure 521 in the vertical direction are in a non-glue state, and the length of the extendable body in the horizontal direction is greater than the lengths of the first light-shielding substrate 1 and the second light-shielding substrate 2, and the extension body structure 522 is pulled under an external force to drive the second portion 12 and the fourth portion 22 to extend outward along the exposure direction.
Further, in order to improve the connection capability between the fixing portion 51 of the extendable body 5 and the second bonding portion 3 and the connection capability between the main body structure 522 of the extendable portion 52 of the extendable body 5 and the first bonding portion 4, in a preferred embodiment, the first bonding portion 4 includes a first sub-bonding portion 41 and a second sub-bonding portion 42, a first surface of the first sub-bonding portion 41 is bonded to the second portion 12, a second surface of the first sub-bonding portion 41 opposite to the first surface is bonded to at least a portion of the main body structure 522, a first surface of the second sub-bonding portion 42 is bonded to the fourth portion 22, and a second surface of the second sub-bonding portion 42 opposite to the first surface is bonded to at least a portion of the main body structure 522; the second bonding portion 3 includes a third sub bonding portion 31 and a fourth sub bonding portion 32, the third sub bonding portion 31 is bonded to the side of the fixing portion 51 of the extensible body close to the first light-shielding substrate 1, and the fourth sub bonding portion 32 is bonded to the side of the fixing portion 51 of the extensible body close to the second light-shielding substrate 2.
In another preferred embodiment, the extensible body is a PET material with good mechanical properties, optimum toughness in known thermoplastics, much higher tensile and impact strength than in general materials, dimensional stability and ease of die cutting. Further, the extension structure includes, but is not limited to, a wave shape, a saw-tooth shape or includes alternately arranged protrusions and grooves, and a person skilled in the art should design a specific extension structure according to the actual application condition to meet the extension performance of the extension structure as the design criteria.
It should be noted that, as those skilled in the art should understand, the number and the position of the second bonding portion and the extending structure should be set according to the practical application, and the invention is not limited thereto, so as to solve the problem of light leakage at the interface of the tape as a design criterion.
An embodiment of the present invention further provides a backlight module, including the light-shielding tape.
Furthermore, an embodiment of the present invention further provides a display device, including the backlight module. The display device can be a display, a GPS navigator, a mobile phone, a notebook computer, a tablet computer and other electronic equipment.
Corresponding to the light-shielding tape provided in the above embodiments, an embodiment of the present invention further provides a manufacturing method of the light-shielding tape, and since the manufacturing method provided in the embodiment of the present invention corresponds to the light-shielding tapes provided in the above embodiments, the foregoing embodiment is also applicable to the liquid crystal display testing method provided in this embodiment, and detailed description is not repeated in this embodiment.
As shown in fig. 8, an embodiment of the present invention provides a method for manufacturing a light-shielding tape, including: bonding the first shading base material with the first colloid; dividing the first light-shielding base material into a first portion bonded to the first gel and a second portion not bonded to the first gel; bonding the second shading base material with the second colloid; dividing the second light-shielding base material into a third portion bonded to the second gel and a fourth portion not bonded to the second gel; fixing a portion of the extensible body to the first and third portions by a second adhesive portion, thereby forming the fixed portion; an extendable portion is secured to the second and fourth portions by a first adhesive portion and emerges from the first edge.
As shown in fig. 9, an embodiment of the invention provides a method for shielding light by using the light-shielding tape, wherein the light-shielding tape is bonded to a frame of a light-emitting module by a first adhesive; bonding a matched module matched with the light-emitting module on the shading adhesive tape through the second adhesive; when a gap exists between the shading tapes on two adjacent frames on the frame of the light-emitting module, the extensible parts which are exposed are stretched along the exposure direction so as to drive the second part and the fourth part to move towards the exposure direction relative to the first part and the third part respectively until the gap is completely filled by the second part and the fourth part.
In a specific embodiment, the light-shielding tape is used for a liquid crystal display device, the light-emitting module is a backlight module, the matching module is a liquid crystal display panel, the first colloid of the light-shielding tape is bonded with the backlight module, and the second colloid of the light-shielding tape is bonded with the liquid crystal display panel, so that the problem of light leakage between the backlight module and the liquid crystal display panel can be effectively avoided.
In another specific embodiment, the light-shielding adhesive tape is used for an OLED display device, the light-emitting module is an OLED display panel, the matching module is a cover plate, the first colloid of the light-shielding adhesive tape is bonded with the OLED display panel, and the second colloid of the light-shielding adhesive tape is bonded with the cover plate, so that the problem of light leakage between the OLED display panel and the cover plate can be effectively avoided.
Aiming at the problem of light leakage of a boundary gap caused by the existing manual attaching of the shading adhesive tape, the invention sets the shading adhesive tape, and the extensible body arranged between the first shading base material and the second shading base material extends outwards to pull the second part and the fourth part to move so as to fill the gap between the two adjacent shading adhesive tapes, so that seamless butt joint is realized at the corner of the display device, the problems in the prior art are solved, the operation difficulty is reduced, the product yield is effectively improved, and the display effect is further improved.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. A light-shielding tape, comprising:
a first light-shielding base material including a first portion and a second portion located at a first edge of the light-shielding tape, the second portion having a thickness smaller than that of the first portion;
a first gel adhered to the first surface of the first portion;
a second light-shielding substrate including a third portion and a fourth portion located at a first edge of the light-shielding tape, the fourth portion having a thickness less than a thickness of the third portion;
a second glue adhered to the first surface of the third portion;
a first bond and a second bond;
an extensible body including a fixed portion and an extensible portion;
wherein
The fixing part is fixedly connected with a second surface, opposite to the first surface, of the first part and fixedly connected with a second surface, opposite to the first surface, of the third part through the second bonding part; and is
The extendable portion is fixedly connected with the second portion and the fourth portion through the first bonding portion and is exposed from the first edge, and the extendable portion can extend along the exposure direction under the action of external force so as to drive the second portion and the fourth portion to move towards the exposure direction relative to the first portion and the third portion respectively and does not retract after the external force is removed.
2. The light-shielding tape according to claim 1,
the second adhesive portion is disposed at a second edge of the light-shielding tape, wherein the second edge is opposite the first edge.
3. The masking tape of claim 1, wherein the extendable portion is comprised of an extendable structure and a body structure fixedly connected to the second and fourth portions by the first bond and exposed from the first edge.
4. The light-shielding tape of claim 3, wherein the first bond comprises a first sub-bond and a second sub-bond, a first surface of the first sub-bond being bonded to the second portion, a second surface of the first sub-bond opposite the first surface being bonded to at least a portion of the body structure, a first surface of the second sub-bond being bonded to the fourth portion, and a second surface of the second sub-bond opposite the first surface being bonded to at least a portion of the body structure;
the second bonding portion comprises a third sub bonding portion and a fourth sub bonding portion, the third sub bonding portion is bonded with one side, close to the first shading base material, of the fixing portion of the extensible body, and the fourth sub bonding portion is bonded with one side, close to the second shading base material, of the fixing portion of the extensible body.
5. The masking tape of claim 3 wherein the extensible body is a PET material and the extending structure is wavy, serrated or comprises alternating protrusions and grooves.
6. A backlight module comprising the light-shielding tape according to any one of claims 1 to 5.
7. A display device comprising the backlight module of claim 6.
8. A method for producing a light-shielding tape according to any one of claims 1 to 5, comprising:
bonding the first shading base material with the first colloid;
dividing the first light-shielding base material into a first portion bonded to the first gel and a second portion not bonded to the first gel;
bonding the second shading base material with the second colloid;
dividing the second light-shielding base material into a third portion bonded to the second gel and a fourth portion not bonded to the second gel;
fixing a portion of the extensible body to the first and third portions by a second adhesive portion, thereby forming the fixed portion;
an extendable portion is secured to the second and fourth portions by a first adhesive portion and emerges from the first edge.
9. A method for shading light using the shading tape according to any one of claims 1 to 5,
the shading adhesive tape is bonded on the frame of the light-emitting module through a first adhesive body;
bonding a matched module matched with the light-emitting module on the shading adhesive tape through the second adhesive;
when a gap exists between the shading tapes on two adjacent frames on the frame of the light-emitting module, the extensible parts which are exposed are stretched along the exposure direction so as to drive the second part and the fourth part to move towards the exposure direction relative to the first part and the third part respectively until the gap is completely filled by the second part and the fourth part.
10. The method of claim 9,
the light-emitting module is a backlight module, and the matched module is a liquid crystal display panel; or
The light-emitting module is an OLED display panel, and the matched module is a cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213495.0A CN109321156B (en) | 2018-10-18 | 2018-10-18 | Shading adhesive tape, backlight module, display device and manufacturing and using methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213495.0A CN109321156B (en) | 2018-10-18 | 2018-10-18 | Shading adhesive tape, backlight module, display device and manufacturing and using methods |
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| Publication Number | Publication Date |
|---|---|
| CN109321156A CN109321156A (en) | 2019-02-12 |
| CN109321156B true CN109321156B (en) | 2021-03-16 |
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| CN201811213495.0A Active CN109321156B (en) | 2018-10-18 | 2018-10-18 | Shading adhesive tape, backlight module, display device and manufacturing and using methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI679479B (en) * | 2019-02-14 | 2019-12-11 | 友達光電股份有限公司 | Display device |
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