CN111128004A - Backlight module and panel attaching method of display device - Google Patents
Backlight module and panel attaching method of display device Download PDFInfo
- Publication number
- CN111128004A CN111128004A CN201811294448.3A CN201811294448A CN111128004A CN 111128004 A CN111128004 A CN 111128004A CN 201811294448 A CN201811294448 A CN 201811294448A CN 111128004 A CN111128004 A CN 111128004A
- Authority
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- China
- Prior art keywords
- front frame
- backlight module
- release paper
- frame
- tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002390 adhesive tape Substances 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a backlight module and a panel attaching method of a display device. The backlight module comprises a frame, a light guide plate and a fixing adhesive tape, wherein the frame is provided with a front frame, the fixing adhesive tape is provided with a body and an alignment release paper, one end of the alignment release paper extends out of the body to form an extension part and a pulling part, and the pulling part is bent relative to the extension part and abuts against the inner side surface of the front frame to be aligned. In the panel attaching method of the display device, after the fixing adhesive tape is aligned and attached to the front frame through the pulling part, the alignment release paper is torn off, and then the display panel is attached to the fixing adhesive tape. The bent extending part and the pulling part can save the use of a limiting jig, improve the alignment convenience, reduce the working hours and ensure the reflection quality of the inner side surface of the front frame.
Description
Technical Field
The invention relates to a backlight module and a panel attaching method of a display device, wherein a fixing adhesive tape of the backlight module adopts bendable alignment release paper to facilitate alignment, and the backlight module is attached to the display panel through the fixing adhesive tape to form the display device.
Background
As shown in fig. 8, the conventional backlight module mainly includes a frame 90, a light guide plate 91 and at least one fixing tape 92, the frame 90 has a back plate 93 and a front frame 94 fixed around the back plate 93, the front frame 94 has a carrying surface 95 and an inner surface 96, the inner surface 96 is bent relative to the carrying surface 95, the light guide plate 91 is disposed on the back plate 93, and the fixing tape 92 is attached to the carrying surface 95 of the front frame 94 by a positioning fixture 97.
The backlight module further forms a display device by attaching the fixing tape 92 to the panel, in a conventional panel attaching method, the limiting jig 97 is placed on the bearing surface 95 of the front frame 94 and abuts against the inner side surface 96 of the front frame 94, the limiting jig 97 forms the initial side wall 971 on the corresponding inner side surface 96 of the front frame 94, after the limiting jig 97 is placed, the initial end 921 of the fixing tape 92 is aligned with the initial side wall 971 of the limiting jig 97, the fixing tape 92 is attached to the bearing surface 95 of the front frame 94, after the fixing tape 92 is attached and positioned, the limiting jig 97 is removed, and the panel is attached to the fixing tape 92.
When the operator pastes the fixing tape 92 through the limiting jig 97, the attaching space provided by the frame 90 is small or the attaching distance is too small, so that the fixing tape 92 is not easy to align and the working hours are increased. If the inner surface 96 of the front frame 94 is a bright surface or a smooth surface, the limiting jig 97 is likely to collide with and damage the inner surface 96 of the front frame 94 during the placing and removing processes, thereby reducing the reflection quality of the inner surface 96 of the front frame 94.
Disclosure of Invention
The invention aims to provide a backlight module and a panel attaching method of a display device, which are used for solving the problems that the alignment is difficult and the operation time is increased in the alignment and attachment process of the conventional fixed adhesive tape through a limiting jig and solving the problem that the limiting jig can damage a front frame to influence the reflection quality.
In order to achieve the above object, the present invention provides a backlight module comprising:
the frame is provided with a back plate and a front frame, the front frame is fixedly connected to the periphery of the back plate and is provided with an inner side face and a bearing face, and the inner side face is bent relative to the bearing face;
the light guide plate is arranged on the back plate;
at least one fixed tape adhered to the carrying surface of the front frame, the fixed tape comprising:
a main body having a first and a second opposite sticking surfaces
The bearing surface is corresponding to the front frame; and
an alignment release paper disposed on the second adhesive surface of the body and aligned with the first adhesive surface
One end of the release paper extends from the end surface of the body to form an extension part and a pulling part in sequence, and the extension part
The part is adjacent to the body, the pulling part is bent relative to the extending part and can be abutted against the frame
The inner side of the front frame of the frame.
In the backlight module, a seam line is formed between the extending portion and the pulling portion, the pulling portion is bent relative to the extending portion by taking the seam line as a bending part, and a distance from the seam line to the end edge of the body is a preset limit distance.
In the backlight module, the distance from the seam line to the end edge of the main body is 1 ± 0.1 mm.
In the backlight module, the plurality of holes are arranged in a straight line.
In the backlight module, the rear side of the light guide plate is provided with the reflective sheet.
In the backlight module, the pull-up portion is perpendicular to the extending portion.
In order to achieve the above object, the present invention provides a panel attaching method for a display device, comprising:
the method comprises the following steps of preparing, providing at least one fixed adhesive tape and a front frame, wherein the front frame is provided with an inner side face and a bearing face, the inner side face is bent relative to the bearing face, the fixed adhesive tape is provided with a body and alignment release paper, the body is provided with a first adhesion face and a second adhesion face which are opposite, the alignment release paper is arranged on the second adhesion face of the body, one end of the alignment release paper extends from the end face of the body to form an extension part and a pull part in sequence, and the pull part can be bent relative to the extension part;
a step of positioning and adhering a fixing tape, in which the pulling part of the positioning release paper of the fixing tape is abutted against the inner side surface of the front frame of the frame, and the first adhering surface of the fixing tape is adhered to the bearing surface of the front frame; and
and a step of adhering the display panel, in which the alignment release paper of the fixing adhesive tape is torn off, and the display panel is adhered to the second adhering surface of the fixing adhesive tape.
In the above method for attaching a panel to a display device, in the preparing step, a seam line is formed between the extending portion and the pulling portion, the pulling portion is bent relative to the extending portion with the seam line as a bending portion, and a distance from the seam line to an end edge of the main body is a predetermined limit distance.
In the counterpoint of fixed sticky tape from type paper, because draw the portion of carrying and can form for the extension and buckle, so draw the portion of carrying and can supply operating personnel to grab and hold to change the position that operating personnel grabbed fixed sticky tape in the past, consequently avoided the restriction to attached space, and then be convenient for adjust the position of fixed sticky tape. In addition, because the pulling part is aligned by abutting against the inner side surface of the front frame, a limiting jig is not needed any more, so that the material cost can be saved, the alignment convenience is improved, the working hours can be reduced, and the situation that the limiting jig damages the inner side surface of the front frame can be avoided, so that the reflection quality of the inner side surface of the front frame is ensured.
Drawings
Fig. 1 is a schematic top plan view of a portion of a backlight module according to an embodiment of the invention.
Fig. 2 is a partially schematic perspective view of the fastening tape shown in fig. 1 without being bent.
Fig. 3 is a partially schematic perspective view of the fastening tape shown in fig. 2 after being bent.
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1.
Fig. 5 is a schematic cross-sectional view illustrating the release liner of the fastening tape shown in fig. 4 being peeled off.
FIG. 6 is a cross-sectional view of the fixing tape of FIG. 5 attached to a display panel.
Fig. 7 is a schematic partial side view of a backlight module according to another embodiment of the invention.
FIG. 8 is a partial top plan view of a conventional backlight module.
Detailed Description
The invention comprises a backlight module and a panel attaching method of a display device. The specific structure of the backlight module can be seen from the preferred embodiment shown in FIG. 1. The backlight module comprises a frame 10, a light guide plate 20 and at least one fixing tape 30.
As shown in fig. 1, the frame 10 has a back plate 11 and a front frame 12, the front frame 12 is fixed to the periphery of the back plate 11 and has an inner side 121 and a supporting surface 122, and the inner side 121 is bent relative to the supporting surface 122.
As shown in fig. 1, the light guide plate 20 is disposed on the rear panel 11, and a reflective sheet (e.g., element label 50 of fig. 7) is disposed on the rear side of the light guide plate 20.
As shown in fig. 1, 3 and 4, the fixing tape 30 is adhered to the bearing surface 122 of the front frame 12, the fixing tape 30 includes a main body 31 and an alignment release paper 32, the main body 31 has a first adhesion surface 311 and a second adhesion surface 312 opposite to each other, the first adhesion surface 311 is adhered to the bearing surface 122 of the corresponding front frame 12, the alignment release paper 32 is disposed on the second adhesion surface 312 of the main body 31, one end of the alignment release paper 32 extends from the end surface of the main body 31 to form an extension portion 321 and a pull-up portion 322 in sequence, the extension portion 321 is adjacent to the main body 31, the pull-up portion 322 is bent relative to the extension portion 321 and can be abutted against the inner side surface 121 of the front frame 12 of the frame 10.
As shown in fig. 7, the front frame 12 is fixedly connected to the periphery of the back plate 11, the light guide plate 20 is disposed on the back plate 11, the reflective sheet 50 is disposed on the rear side of the light guide plate 20, the at least one optical film 60 is disposed on the front side of the light guide plate 20, the main body 31 for fixing the adhesive tape 30 is attached to the carrying surface 122 of the front frame 12, and the display panel 40 is disposed on the front frame 12 and attached to the main body 31.
As shown in fig. 1 to 3, a seam line 323 is formed between the extending portion 321 and the pulling-up portion 322, and the pulling-up portion 322 is bent with respect to the extending portion 321 with the seam line 323 as a bend. The pulling part 322 is further perpendicular to the extending part 321, and the distance from the seam line 323 to the end edge of the body 31 is a preset limit distance. The distance from the sewing line 323 to the end edge of the body 31 is 1 ± 0.1 mm. The perforation line 323 is a form in which a plurality of holes are arranged in a straight line.
As shown in fig. 1 to 6, the panel attaching method of the display device of the present invention includes a preparation step, a step of positioning and attaching a fixing tape, and a step of attaching a display panel.
As shown in fig. 1 to 3, in the preparation step, at least one fixing tape 30 and a front frame 12 are provided, the front frame 12 has an inner side surface 121 and a carrying surface 122, the inner side surface 121 is bent with respect to the carrying surface 122, the fixing tape 30 has a body 31 and an alignment release paper 32, the body 31 has a first adhesive surface 311 and a second adhesive surface 312 which are opposite, the alignment release paper 32 is disposed on the second adhesive surface 312 of the body 31, one end of the alignment release paper 32 extends from the end surface of the body 31 to form an extending portion 321 and a pulling-lifting portion 322 in sequence, the pulling-lifting portion 322 can be bent with respect to the extending portion 321, wherein a seam line 323 is formed between the extending portion 321 and the pulling-lifting portion 322, the pulling-lifting portion 322 forms a bend with respect to the extending portion 321 with the seam line 323 as the bending portion, and a distance from the seam 323 to an end edge of the.
As shown in fig. 1 and 4, in the step of positioning and adhering the fixing tape, the pulling part 322 of the positioning release paper 32 of the fixing tape 30 is abutted against the inner side surface 121 of the front frame 12 of the frame 10, and the first adhering surface 311 of the fixing tape 30 is adhered on the bearing surface 122 of the front frame 12.
As shown in fig. 5 and 6, in the step of attaching the display panel, the alignment release paper 32 of the fixing tape 30 is peeled off, and the display panel 40 is attached to the second attaching face 312 of the fixing tape 30.
As described above, in the method for attaching the panel of the backlight module and the display device, one end of the alignment release paper 32 of the fixing tape 30 extends from the body 31 and can be bent, so that when the fixing tape 30 is attached to the carrying surface 122 of the front frame 12, an operator can hold the pulling part 322, and the direction in which the operator previously holds the fixing tape 30 is changed by the pulling part 322, thereby avoiding the limitation of the attaching space, and facilitating the operator to hold the fixing tape 30 so as to adjust the position of the fixing tape 30. In addition, the pulling part 322 of the alignment release paper 32 is aligned by abutting against the inner side surface 121 of the front frame 12, so that the alignment release paper 32 can be torn off after the main body 31 is attached to the bearing surface 122. Since the distance from the seam line 323 to the end edge of the main body 31 is reserved as the preset limit distance, the main body 31 and the inner side 121 of the front frame 12 do not need to be aligned with the aid of a limit jig during the adhering process. Therefore, the advantages of improving the alignment convenience and reducing the working hours can be achieved, and the situation of collision damage of the inner side surface 121 caused by the use of the limiting jig in the prior art can be avoided, so that the reflection quality of the inner side surface 121 of the front frame 12 can be ensured, and the material cost can be saved.
The foregoing description discloses only the preferred embodiment of the invention and is not intended to limit the invention in any way. Although the present invention has been described in connection with the preferred embodiments, it is not intended to limit the invention to the specific embodiments disclosed. Those skilled in the art can make various changes and modifications to the disclosed embodiments without departing from the scope of the present invention. Any simple modification, equivalent change and modification of the above preferred embodiments without departing from the technical means of the present invention and the technical essence of the present invention still fall within the scope of the technical content of the present invention.
[ List of reference numerals ]
10 frame 11 backboard
12 inner side of front frame 121
122 bearing surface 20 light guide plate
30 fixing tape 31 body
311 a first adhesive face 312 a second adhesive face
32 counterpoint is from type paper 321 extension
322 pulling part 323 riding thread
40 display panel 50 reflection sheet
60 optical film
90 frame 91 light guide plate
92 fixing tape 921 Start
93 back plate 94 front frame
95 bearing surface 96 inside
97 starting side wall of limiting jig 971
Claims (10)
1. A backlight module includes:
the frame is provided with a back plate and a front frame, the front frame is fixedly connected to the periphery of the back plate and is provided with an inner side face and a bearing face, and the inner side face is bent relative to the bearing face;
the light guide plate is arranged on the back plate;
at least one securing tape affixed to the carrying surface of the front frame, the securing tape comprising:
the body is provided with a first sticking surface and a second sticking surface which are opposite, and the first sticking surface is stuck to the bearing surface of the corresponding front frame; and
counterpoint from type paper, counterpoint from type paper set up in the body the second adhesion face, just counterpoint from type paper's one end is followed the terminal surface of body extends and forms extension and draw the portion of carrying according to the preface, the extension borders on in the body, draw and carry the portion for the extension forms buckles, and can support by in the frame the front bezel the medial surface.
2. The backlight module according to claim 1, wherein a seam line is formed between the extending portion and the pulling portion, the pulling portion is bent relative to the extending portion with the seam line as a bending part, and a distance from the seam line to an end edge of the body is a preset limit distance.
3. A backlight module according to claim 2, wherein the distance from the seam line to the end edge of the body is 1 ± 0.1 mm.
4. A backlight module according to claim 2, wherein the perforation line is in the form of a plurality of holes arranged in a straight line.
5. A backlight module according to claim 3, wherein the perforation line is in the form of a plurality of holes arranged in a straight line.
6. A backlight module according to any one of claims 1 to 5, wherein the rear side of the light guide plate is provided with a reflective sheet.
7. A backlight module according to any one of claims 1 to 5, wherein the pull-up portion is perpendicular to the extension portion.
8. A backlight module according to claim 6, wherein the pull-up portion is perpendicular to the extension portion.
9. A panel attaching method of a display device comprises the following steps:
preparing, namely providing at least one fixed adhesive tape and a front frame, wherein the front frame is provided with an inner side surface and a bearing surface, the inner side surface is bent relative to the bearing surface, the fixed adhesive tape is provided with a body and alignment release paper, the body is provided with a first adhesion surface and a second adhesion surface which are opposite, the alignment release paper is arranged on the second adhesion surface of the body, one end of the alignment release paper extends from the end surface of the body to form an extension part and a pull part in sequence, and the pull part can be bent relative to the extension part;
a step of positioning and adhering a fixing tape, in which the pulling part of the positioning release paper of the fixing tape is abutted against the inner side surface of the front frame of the frame, and the first adhering surface of the fixing tape is adhered to the bearing surface of the front frame; and
and sticking the display panel, namely tearing off the contraposition release paper of the fixing adhesive tape, and sticking the display panel on the second sticking face of the fixing adhesive tape.
10. The panel attaching method of a display device according to claim 9, wherein in the preparing step, a seam line is formed between the extending portion and the pull-up portion, the pull-up portion is bent with respect to the extending portion with the seam line as a bend, and a distance from the seam line to an end edge of the body is a preset limit distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294448.3A CN111128004A (en) | 2018-11-01 | 2018-11-01 | Backlight module and panel attaching method of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294448.3A CN111128004A (en) | 2018-11-01 | 2018-11-01 | Backlight module and panel attaching method of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111128004A true CN111128004A (en) | 2020-05-08 |
Family
ID=70494326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811294448.3A Pending CN111128004A (en) | 2018-11-01 | 2018-11-01 | Backlight module and panel attaching method of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111128004A (en) |
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