CN105467683A - Shading glue splicing structure - Google Patents
Shading glue splicing structure Download PDFInfo
- Publication number
- CN105467683A CN105467683A CN201610069679.9A CN201610069679A CN105467683A CN 105467683 A CN105467683 A CN 105467683A CN 201610069679 A CN201610069679 A CN 201610069679A CN 105467683 A CN105467683 A CN 105467683A
- Authority
- CN
- China
- Prior art keywords
- shading
- rubber belt
- piece
- shading rubber
- 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
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Classifications
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Abstract
The invention discloses a shading glue splicing structure which is in a rectangular shape and comprises a first piece of shading tape, a second piece of shading tape, a third piece of shading tape and a fourth piece of shading tape, wherein the first piece of shading tape is located at a light source end, the second piece of shading tape is opposite to the first piece of shading tape, the third piece of shading tape and the fourth piece of shading tape are located on the two sides, all the pieces of tape are bonded and spliced together through viscidity of the tape, and the first piece of shading tape, the second piece of shading tape, the third piece of shading tape and the fourth piece of shading tape can be the same or different from one another. The shading glue splicing structure is simple in splicing mode and low in raw material rejection rate, and the manufacturing cost can be saved by 20% or more; besides, different glue strips are mixed for use, the proportion of light injection can be effectively raised, and the light utilization rate is effectively raised so that the brightness of the backlight module can be improved by 3-5%; besides, by means of the shading splicing structure, the direction of emitted light rays can be more uniform, and thus the uniformity of the brightness of the backlight module is effectively improved.
Description
Technical field
The present invention relates to a kind of backlight parts of LCD MODULE, be specifically related to a kind of shading glue splicing construction.
Background technology
Along with the lifting of the universal of the terminal electronic such as mobile phone, panel computer product and liquid crystal display manufacturing technology, also more and more higher to the requirement of liquid crystal display module (LiquidCrystalDisplayModule, LCM) backlight.Shading rubber belt is as an important component part of backlight assembly, and it is covered on the housing of display screen usually, to reach the effect of shading.At present, as shown in Figure 1, in industry, the hollow structure of the shading glue structure in backlight assembly mostly for closing.Because this hollow structure adopts integrated mode to be formed usually, cause starting material scrappage higher, add manufacturing cost; And this type of hollow structure closed, is unfavorable for passing through of destructive test, and product very easily occurs all kinds of problem under hot and humid or low temperature environment; The more important thing is that this type of hollow structure closed is unfavorable for the adjustment of backlight display effect and the process of picture uniformity.Therefore, develop a kind of good shading effect, shading glue structure that reliability is high is very necessary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of low cost of manufacture, light utilization high and effectively can improve the shading glue splicing construction of the uniformity coefficient of backlight module brightness.
For achieving the above object, the present invention is by the following technical solutions:
A kind of shading glue splicing construction, it is rectangular, comprise the first shading rubber belt being positioned at source ends, second shading rubber belt relative with the first shading rubber belt and be positioned at the 3rd shading rubber belt and the 4th shading rubber belt of both sides, and each adhesive tape is stitched together by the tacky adhesion of self.
Preferably: described first shading rubber belt, the second shading rubber belt, the 3rd shading rubber belt and the 4th shading rubber belt are black shading rubber belt.
Preferably, it is characterized in that: described first shading rubber belt, the second shading rubber belt, the 3rd shading rubber belt and the 4th shading rubber belt are black and white shading rubber belt.
Preferably: described first shading rubber belt and the second shading rubber belt are black and white shading rubber belt, described 3rd shading rubber belt and the 4th shading rubber belt are black shading rubber belt.
Preferably: described first shading rubber belt and the second shading rubber belt are black shading rubber belt, described 3rd shading rubber belt and the 4th shading rubber belt are black and white shading rubber belt.
Preferably: the bond gap between each adhesive tape is less than 0.2mm.
Preferably: described shading glue splicing construction comprises the PET film covering its surface.
Preferably: one end of described PET film has the portion of removing.
Beneficial effect of the present invention is, relative to the existing hollow shading glue structure closed formed by integrated mode, shading glue splicing construction of the present invention, connecting method is simple, starting material scrappage is low, can save the manufacturing cost of more than 20%.In addition, the present invention is used in combination by different adhesive tape, effectively can improve the ratio of light injection, effective raising light utilization, thus make the brightness of backlight module to promote 3-5%, and, shading glue splicing construction of the present invention, injection radiation direction can be made more even, and then effectively promote the homogeneity of backlight module brightness.
Accompanying drawing explanation
Fig. 1 shows the structural representation of shading glue structure in existing backlight assembly;
Fig. 2 shows the structural representation of shading glue splicing construction of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 2, shading glue splicing construction of the present invention, it is rectangular, pasted by four shading rubber belts and be spliced, comprise the first shading rubber belt 1 of source ends, second shading rubber belt 3 relative with the first shading rubber belt and be positioned at the 3rd shading rubber belt 2 and the 4th shading rubber belt 4 of both sides, each adhesive tape is stitched together by the tacky adhesion of self, and the bond gap (that is, the bond distance between each adhesive tape) between each adhesive tape controls within 0.2mm.
Because (namely existing shading rubber belt mainly comprises black shading glue, the upper and lower faces of adhesive tape is black) and black and white shading glue is (namely, the one side fixing with LCD of adhesive tape is white, another side is black) two large classes, black side has the effect absorbing light, prevent light leak, and the white face in black and white shading glue can effective excitation source.Therefore, in the present invention, described first, second, third and the 4th shading rubber belt can be identical, that is, be all black shading glue or be all black and white shading glue.Described first, second, third and the 4th shading rubber belt also can not be identical, preferably, when the first shading rubber belt 1 of described source ends and the second shading rubber belt 3 are corresponding thereto black and white shading rubber belt, and the 3rd shading rubber belt 2 of both sides and the 4th shading rubber belt 4 are when being black shading rubber belt, compared to the shading glue structure of identical material of the prior art, the shading glue splicing construction of this different selection, because the first shading rubber belt 1 of source ends is black and white shading rubber belt, therefore, while preventing light leak, the brightness of whole LCDs can be promoted.
Because shading rubber belt is soft material, therefore, in surface coverage PET film 5 of described shading glue splicing construction so that be covered on described LCD by described shading glue splicing construction, and one end of described PET film preferably has the portion that removes 51 being convenient to remove.
Relative to the existing hollow shading glue structure closed formed by integrated mode, the present invention's shading glue splicing construction as above, connecting method is simple, starting material scrappage is low, can save the manufacturing cost of more than 20%.In addition, what is more important, used in combination by different adhesive tape, effectively can improve the ratio of light injection, namely, effective raising light utilization, thus make the brightness of backlight module to promote 3-5%, and the present invention is by the material of the adhesive tape of adjustment source ends, make injection radiation direction more even, and then effectively promote the homogeneity of backlight module brightness.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these changes and increasing of applicant has dropped in the protection domain of the claims in the present invention.
Term used herein is only and is illustrated specific embodiment, and is not intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the understanding of one of ordinary skill in the art of the present invention.Also must it is clear that, except having clear and definite definition in this article, in such as dictionary, the term of usually definition should be interpreted as can having the consistent meaning in the linguistic context of this instructions and correlation technique, and the idealized or undue formalization should do not explained.Known function or structure are in briefly and clearly consider or repeat no more.
Claims (8)
1. a shading glue splicing construction, it is characterized in that: described shading glue splicing construction is rectangular, comprise the first shading rubber belt being positioned at source ends, second shading rubber belt relative with the first shading rubber belt and be positioned at the 3rd shading rubber belt and the 4th shading rubber belt of both sides, and each adhesive tape is stitched together by the tacky adhesion of self.
2. shading glue splicing construction according to claim 1, is characterized in that: described first shading rubber belt, the second shading rubber belt, the 3rd shading rubber belt and the 4th shading rubber belt are black shading rubber belt.
3. shading glue splicing construction according to claim 1, is characterized in that: described first shading rubber belt, the second shading rubber belt, the 3rd shading rubber belt and the 4th shading rubber belt are black and white shading rubber belt.
4. shading glue splicing construction according to claim 1, is characterized in that: described first shading rubber belt and the second shading rubber belt are black and white shading rubber belt, and described 3rd shading rubber belt and the 4th shading rubber belt are black shading rubber belt.
5. shading glue splicing construction according to claim 1, is characterized in that: described first shading rubber belt and the second shading rubber belt are black shading rubber belt, and described 3rd shading rubber belt and the 4th shading rubber belt are black and white shading rubber belt.
6. according to the shading glue splicing construction in claim 1-4 described in any one, it is characterized in that: the bond gap between each adhesive tape is less than 0.2mm.
7. according to the shading glue splicing construction in claim 1-4 described in any one, it is characterized in that: described shading glue splicing construction comprises the PET film covering its surface.
8. shading glue splicing construction according to claim 7, is characterized in that: one end of described PET film has the portion of removing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069679.9A CN105467683A (en) | 2016-02-01 | 2016-02-01 | Shading glue splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069679.9A CN105467683A (en) | 2016-02-01 | 2016-02-01 | Shading glue splicing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105467683A true CN105467683A (en) | 2016-04-06 |
Family
ID=55605544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610069679.9A Pending CN105467683A (en) | 2016-02-01 | 2016-02-01 | Shading glue splicing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105467683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733465A (en) * | 2016-04-21 | 2016-07-06 | 苏州安洁科技股份有限公司 | Narrow-frame module bonding tape and corresponding manufacturing method thereof |
| CN107526210A (en) * | 2016-12-16 | 2017-12-29 | 芜湖德仓光电有限公司 | A kind of combined type shading glue and its manufacturing process |
| CN109085715A (en) * | 2018-09-06 | 2018-12-25 | 深圳市德仓科技有限公司 | Compound photomask and assemble method, backlight module, display component and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006010931A (en) * | 2004-06-24 | 2006-01-12 | Dainippon Ink & Chem Inc | Double-coated tape and liquid crystal display module unit using same |
| CN103672724A (en) * | 2013-11-27 | 2014-03-26 | 京东方科技集团股份有限公司 | Backlight module shading structure, backlight module and display device |
| CN203868938U (en) * | 2014-06-16 | 2014-10-08 | 信利半导体有限公司 | Shading adhesive tape, backlight module and display panel |
| CN204127794U (en) * | 2014-10-21 | 2015-01-28 | 厦门天马微电子有限公司 | Backlight module and liquid crystal indicator |
| CN204162647U (en) * | 2014-10-30 | 2015-02-18 | 厦门美塑工贸有限公司 | A kind of hollow shading rubber belt of four limit overlap laminatings of surfacing |
| CN204631411U (en) * | 2015-01-20 | 2015-09-09 | 王奎 | The split type square shape plastic structure of backlight module |
-
2016
- 2016-02-01 CN CN201610069679.9A patent/CN105467683A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006010931A (en) * | 2004-06-24 | 2006-01-12 | Dainippon Ink & Chem Inc | Double-coated tape and liquid crystal display module unit using same |
| CN103672724A (en) * | 2013-11-27 | 2014-03-26 | 京东方科技集团股份有限公司 | Backlight module shading structure, backlight module and display device |
| CN203868938U (en) * | 2014-06-16 | 2014-10-08 | 信利半导体有限公司 | Shading adhesive tape, backlight module and display panel |
| CN204127794U (en) * | 2014-10-21 | 2015-01-28 | 厦门天马微电子有限公司 | Backlight module and liquid crystal indicator |
| CN204162647U (en) * | 2014-10-30 | 2015-02-18 | 厦门美塑工贸有限公司 | A kind of hollow shading rubber belt of four limit overlap laminatings of surfacing |
| CN204631411U (en) * | 2015-01-20 | 2015-09-09 | 王奎 | The split type square shape plastic structure of backlight module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733465A (en) * | 2016-04-21 | 2016-07-06 | 苏州安洁科技股份有限公司 | Narrow-frame module bonding tape and corresponding manufacturing method thereof |
| CN107526210A (en) * | 2016-12-16 | 2017-12-29 | 芜湖德仓光电有限公司 | A kind of combined type shading glue and its manufacturing process |
| CN109085715A (en) * | 2018-09-06 | 2018-12-25 | 深圳市德仓科技有限公司 | Compound photomask and assemble method, backlight module, display component and terminal |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160406 |