CN205191366U - Side income formula display module assembly - Google Patents

Side income formula display module assembly Download PDF

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Publication number
CN205191366U
CN205191366U CN201520940171.2U CN201520940171U CN205191366U CN 205191366 U CN205191366 U CN 205191366U CN 201520940171 U CN201520940171 U CN 201520940171U CN 205191366 U CN205191366 U CN 205191366U
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China
Prior art keywords
photomask
ink
display module
type display
entering type
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CN201520940171.2U
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Chinese (zh)
Inventor
贺孝林
华路
贺长峰
贺顺清
刘博文
苗龙强
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Guangdong Xuan Long Industrial Co., Ltd.
Original Assignee
DONGGUAN XUAN LANG INDUSTRIAL Co Ltd
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Priority to CN201520940171.2U priority Critical patent/CN205191366U/en
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Abstract

The utility model provides a side income formula display module assembly, includes: dorsal scale, LED lamp strip and optical film assembly, optical film assembly is including the reflector plate, light guide plate, diffusion piece and the piece that adds lustre to that stack gradually the setting. The diffusion piece is rectangle structure, its two minor faces that have relative setting including diffusion body and at least one printing ink photomask, diffusion body to and relative two long limits that set up, have at least a screen printing to have the printing ink photomask in two minor faces and two long limits. Above -mentioned side income formula display module assembly's diffusion piece can prevent the problem of light leak bright border through having at least a screen printing to have the printing ink photomask effectively in two minor faces and two long limits. The printing ink photomask has the ageing -resistant advantage that is difficult for droing in addition, and life is longer. And, adopt screen -printing technique to come the printing ink photomask, production efficiency is higher, the remaining problem of glue solution also can not appear.

Description

Side entering type display module
Technical field
The utility model relates to backlight Display Technique field, particularly relates to a kind of its side entering type display module.
Background technology
At present, along with the popularization of the narrow frame in the whole world and lightening product, make it promptly be applied in the display field of the electronic products such as panel computer, mobile phone, notebook, desktop display, TV, advertisement, illumination, and its share is also increasing year by year.
Wherein, side entrance back module is a kind of backlight module that mobile phone and computer are conventional, and its primary structure comprises: the back of the body frame, lamp bar, light guide plate, blooming piece and housing.But existing side entrance back module, due to narrow the frame even design of ultra-narrow frame and structural defect, causes its light leak bright border problem more and more obvious, drastically influence the visual effect of product.
For the problems referred to above, existing side entrance back module generally pastes shading glue on diffusion sheet, i.e. wheat tie rod, like this, although partly can solve light leak bright border problem, but there is the problem of local light leak bright border.In addition, because glued shading glue contacts with the lamp bar lighted, temperature is higher, there will be the easily phenomenon such as aging and melten gel, and another artificial efficiency of pasting shading glue is also lower, and during manual operations, cull easily deposited by shading film, and fraction defective is also higher.
Utility model content
Based on this, be necessary that providing a kind of can avoid side light leakage bright border problem, not easily aging and that efficiency is higher when producing side entering type display module.
A kind of side entering type display module, comprise: shell on the back, LED lamp bar and optical film assembly, it is inner that described optical film assembly is placed in described shell on the back, described LED lamp bar be arranged at the madial wall of described shell on the back and its light emission direction towards described optical film assembly, described optical film assembly comprises the reflector plate, light guide plate, diffusion sheet and the brightening piece that are cascading
Described diffusion sheet comprises diffusion body and at least one ink photomask, described diffusion body is rectangle structure, it has two minor faces be oppositely arranged, and be oppositely arranged two long limits, have at least a serigraphy to have described ink photomask in two described minor faces and two described long limits.
Wherein in an embodiment, described ink photomask has the rectangle structure of strip.
Wherein in an embodiment, the width of described ink photomask is 3mm ~ 5mm.
Wherein in an embodiment, the thickness of described ink photomask is 0.2mm ~ 0.3mm.
Wherein in an embodiment, arrange a described ink photomask, long limit serigraphy described in one of them has described ink photomask.
Wherein in an embodiment, arrange a described ink photomask, minor face serigraphy described in one of them has described ink photomask.
Wherein in an embodiment, arrange two described ink photomasks, two described minor face silk screens are all printed with described ink photomask.
Wherein in an embodiment, arrange four described ink photomasks, two described minor faces and two described long limit silk screens are all printed with described ink photomask.
The diffusion sheet of above-mentioned side entering type display module, by having at least a screen printing to be brushed with ink photomask in two minor faces and two long limits, can prevent the problem of light leak bright border effectively.In addition, relative to traditional display module, need to paste shading glue on diffusion sheet, i.e. wheat tie rod, there will be the problem of easily aging and colloidal sol, above-mentioned ink photomask has the advantage of ageing-resistant difficult drop-off, longer service life.Further, adopt silk-screen printing technique to carry out printing-ink photomask, production efficiency is higher, also there will not be the problem that glue is residual.
Accompanying drawing explanation
Fig. 1 is the structural representation of the side entering type display module of the utility model one embodiment;
Fig. 2 is the exploded structural representation of the side entering type display module shown in Fig. 1;
Fig. 3 is the structural representation of the diffusion sheet of the utility model one embodiment;
Fig. 4 is the structural representation of the diffusion sheet of another embodiment of the utility model;
Fig. 5 is the structural representation of the diffusion sheet of another embodiment of the utility model;
Fig. 6 is the structural representation of the diffusion sheet of another embodiment of the utility model;
Fig. 7 is the structural representation of the screen printing net plate of the utility model one embodiment.
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present utility model understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in description of the present utility model herein just in order to describe concrete embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
See also Fig. 1 and Fig. 2, side entering type display module 10 comprises: shell on the back 100, LED lamp bar 200 and optical film assembly 300, it is inner that optical film assembly 300 is placed in shell on the back 100.LED lamp bar 200 be arranged at the madial wall of shell on the back 100 and its light emission direction towards optical film assembly 300, like this, the light that the lamp pearl that LED lamp bar 200 is arranged sends just can penetrate in blooming group 300.
See also Fig. 1 and Fig. 2, optical film assembly 300 comprises the reflector plate 310, light guide plate 320, diffusion sheet 330 and the brightening piece 340 that are cascading.Be appreciated that, the light that LED lamp bar 200 sends needs first to be incident upon light guide plate 320, pass through reflection by light guide plate 320 again and/or refract in blooming group 300, because diffusion sheet 330 is directly attached on catheter plate 320, therefore, in order to the problem preventing display module 10 from occurring side light leakage bright border, need on diffusion sheet 330, take shading measure to prevent the problem of side light leakage bright border.
Refer to Fig. 3, diffusion sheet 330 comprises diffusion body 331 and at least one ink photomask 332, and diffusion body 310 is rectangle structure.Diffusion body 310 has two minor faces 333 be oppositely arranged, and be oppositely arranged two long limits 334, and such as, two minor faces 333 be oppositely arranged be arranged in parallel, and two that are oppositely arranged long limits 334 be arranged in parallel.
A screen printing is had at least to be brushed with ink photomask 332 in two minor faces 333 and two long limits 334, that is, two minor faces 333 and two long limits 334, in four sides of i.e. diffusion body 331, have at least a described side to adopt silk-screen printing technique to be printed with ink photomask 332, such as, in two minor faces 333 and two long limits 334, have at least one to be provided with ink photomask 332, and for example, the contiguous LED lamp bar 200 of this ink photomask 332 is arranged.
The diffusion sheet 330 of above-mentioned side entering type display module 10 by having at least a screen printing to be brushed with ink photomask 332 in two minor faces 333 and two long limits 334, the light that the lamp pearl that ink photomask 332 can partially absorb LED lamp bar 200 sends, thus the problem that effectively can prevent side light leakage bright border.In addition, relative to traditional display module, need to paste shading glue on diffusion sheet, i.e. wheat tie rod, there will be the problem of easily aging and colloidal sol, above-mentioned ink photomask 332 has the advantage of ageing-resistant difficult drop-off, longer service life.Further, adopt silk-screen printing technique to carry out printing-ink photomask 332, production efficiency is higher, also there will not be the problem that glue is residual.
In order to play shaded effect better, such as, ink photomask 332 has the rectangle structure of strip; And for example, the width of ink photomask 332 is 3mm ~ 5mm, like this, can play shaded effect better.
In order to while playing shaded effect, also guarantee the normal display effect of above-mentioned display module 10, such as, see also Fig. 1 and Fig. 3, the thickness of ink photomask 332 is 0.2mm ~ 0.3mm, be appreciated that, because brightening piece 340 is directly attached on diffusion sheet 330, when the thickness of ink photomask 332 is excessive, brightening piece 340 will be caused excessively to increase with the gap of diffusion sheet 330, like this, the normal display effect of above-mentioned display module 10 can be affected; When the thickness of ink photomask 332 is too small, the thickness of ink photomask 332 will be caused excessively thin, and good shaded effect can not be played, therefore, found by research, when the thickness of ink photomask 332 is 0.2mm ~ 0.3mm, while playing shaded effect, can also guarantee the normal display effect of above-mentioned display module 10.
In order to regulate shading degree according to actual needs better, such as, described ink photomask is including, but not limited to white ink photomask, Yellow ink photomask, middle Yellow ink photomask and/or black ink photomask, and the shaded effect of the ink photomask of above-mentioned four kinds of colors increases successively, like this, can be regulated shading degree according to actual needs better by the ink photomask of the above-mentioned color of corresponding selection.
In order to be described above-mentioned diffusion sheet further, concrete, in order to be described the number of above-mentioned ink photomask and the particular location that is positioned at above-mentioned diffusion body further.
In one embodiment, refer to Fig. 3, diffusion sheet 330 arranges an ink photomask 332, and one of them long limit 334 serigraphy has described ink photomask 332.
In one embodiment, refer to Fig. 4, diffusion sheet 330 arranges an ink photomask 332, and one of them minor face 333 screen printing is brushed with ink photomask 332.
In one embodiment, refer to Fig. 5, diffusion sheet 330 arranges two ink photomasks, 332, two minor face 333 silk screens and is all printed with ink photomask 332.
In one embodiment, refer to Fig. 6, diffusion sheet 330 arranges four ink photomasks, 332, two minor faces 333 and two long limit 334 silk screens are all printed with ink photomask 332.
It should be noted that, the number of above-mentioned ink photomask and the particular location being positioned at above-mentioned diffusion body are not limited to above-mentioned embodiment, are not again repeating, and such as, can also the degree of shading according to actual needs and the position of blocking select.
In order to the formation of above-mentioned ink photomask is described better, such as, refer to Fig. 7, above-mentioned ink photomask is obtained by screen printing net plate 20 printing.
Screen printing net plate 20 comprises aluminium frame 21, gauze 22 and serigraphy district 23, and gauze 22 is arranged at that aluminium frame 21 is inner, and serigraphy district 23 is arranged at gauze 22, and such as, width and the length of the width in serigraphy district 23 and length and ink photomask 332 are identical.
When needs carry out serigraphy to diffusion sheet 330 and form ink photomask 332, first, diffusion sheet 330 is placed on gauze 22 times, and will diffusion sheet 330 need the region of serigraphy align with serigraphy district 23, namely overlap, afterwards, deployed ink is placed on gauze 22, ink is struck off along gauze 22 with scraper plate, uncured ink photomask 332 can be obtained, finally, through techniques such as dry solidifications, whole screen printing operation can be completed, namely form ink photomask 332.
Such as, the side entering type display module that the mutual combination that other embodiments of side entering type display module of the present utility model also comprise the respective embodiments described above is formed.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the each piece of all possible combination of technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (8)

1. a side entering type display module, comprise: shell on the back, LED lamp bar and optical film assembly, it is inner that described optical film assembly is placed in described shell on the back, described LED lamp bar be arranged at the madial wall of described shell on the back and its light emission direction towards described optical film assembly, described optical film assembly comprises the reflector plate, light guide plate, diffusion sheet and the brightening piece that are cascading, it is characterized in that
Described diffusion sheet comprises diffusion body and at least one ink photomask, described diffusion body is rectangle structure, it has two minor faces be oppositely arranged, and be oppositely arranged two long limits, have at least a serigraphy to have described ink photomask in two described minor faces and two described long limits.
2. side entering type display module according to claim 1, it is characterized in that, described ink photomask has the rectangle structure of strip.
3. side entering type display module according to claim 1, it is characterized in that, the width of described ink photomask is 3mm ~ 5mm.
4. side entering type display module according to claim 1, it is characterized in that, the thickness of described ink photomask is 0.2mm ~ 0.3mm.
5. side entering type display module according to claim 1, it is characterized in that, arrange a described ink photomask, long limit serigraphy described in one of them has described ink photomask.
6. side entering type display module according to claim 1, it is characterized in that, arrange a described ink photomask, minor face serigraphy described in one of them has described ink photomask.
7. side entering type display module according to claim 1, it is characterized in that, arrange two described ink photomasks, two described minor face silk screens are all printed with described ink photomask.
8. side entering type display module according to claim 1, it is characterized in that, arrange four described ink photomasks, two described minor faces and two described long limit silk screens are all printed with described ink photomask.
CN201520940171.2U 2015-11-20 2015-11-20 Side income formula display module assembly Active CN205191366U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107763499A (en) * 2017-10-31 2018-03-06 武汉天马微电子有限公司 Backlight module and display panel
CN108006514A (en) * 2017-12-15 2018-05-08 众普森科技(株洲)有限公司 A kind of ring road lamp
WO2019214633A1 (en) * 2018-05-10 2019-11-14 京东方科技集团股份有限公司 Diffuser, backlight module, liquid crystal display panel, and display device
CN110609414A (en) * 2019-08-13 2019-12-24 深圳市德仓科技有限公司 Backlight based on diffusion printing ink and manufacturing method thereof
CN112394573A (en) * 2020-12-11 2021-02-23 张志成 Side-in type LED backlight module and use method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107763499A (en) * 2017-10-31 2018-03-06 武汉天马微电子有限公司 Backlight module and display panel
CN108006514A (en) * 2017-12-15 2018-05-08 众普森科技(株洲)有限公司 A kind of ring road lamp
WO2019214633A1 (en) * 2018-05-10 2019-11-14 京东方科技集团股份有限公司 Diffuser, backlight module, liquid crystal display panel, and display device
US11061277B2 (en) 2018-05-10 2021-07-13 Hefei Xinsheng Optoelectronics Technology Co., Ltd. Diffusion sheet, backlight module, liquid crystal display panel, and display device
CN110609414A (en) * 2019-08-13 2019-12-24 深圳市德仓科技有限公司 Backlight based on diffusion printing ink and manufacturing method thereof
CN112394573A (en) * 2020-12-11 2021-02-23 张志成 Side-in type LED backlight module and use method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 517001 Heyuan, Guangdong Jiangdong new district, Linjiang Town, Lian Xin Village, Po Po, Henan Road, Lang Lang Industrial Park first, second

Patentee after: Guangdong Xuan Long Industrial Co., Ltd.

Address before: 523000 A building, 352 Xiangyang Road, Shigu management area, Tangxia Town, Dongguan, Guangdong.

Patentee before: Dongguan Xuan Lang Industrial Company Limited

CP03 Change of name, title or address