CN108230933A - A kind of LED display Integral mask based on encapsulating technology - Google Patents

A kind of LED display Integral mask based on encapsulating technology Download PDF

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Publication number
CN108230933A
CN108230933A CN201810175659.9A CN201810175659A CN108230933A CN 108230933 A CN108230933 A CN 108230933A CN 201810175659 A CN201810175659 A CN 201810175659A CN 108230933 A CN108230933 A CN 108230933A
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CN
China
Prior art keywords
integral mask
encapsulating
colloid
led lamp
lamp bead
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
Application number
CN201810175659.9A
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Chinese (zh)
Inventor
龚文
邵鹏睿
沈振辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN JINGTAI CO Ltd
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SHENZHEN JINGTAI CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN JINGTAI CO Ltd filed Critical SHENZHEN JINGTAI CO Ltd
Priority to CN201810175659.9A priority Critical patent/CN108230933A/en
Publication of CN108230933A publication Critical patent/CN108230933A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Abstract

The present invention relates to LED display fields, more particularly to a kind of LED display Integral mask based on encapsulating technology.Including several LED lamp beads for carrying the PCB module group substrates of IC and being attached to by SMT modes on PCB module group substrates, wherein, gap and LED light bead surface between PCB module group substrates front, LED lamp bead carry out encapsulating, and Integral mask is formed after the colloid poured into is cured.The present invention solves the problems, such as the SMD encapsulation aberration of display screen and piece aberration, improves the contrast of display screen, while also improve the anticollision ability of display screen instead of Conventional masks technology.

Description

A kind of LED display Integral mask based on encapsulating technology
Technical field
The present invention relates to LED display fields, more particularly to a kind of LED display integration based on encapsulating technology Mask.
Background technology
With the gradual development in display market, until since 2016, indoor small spacing market becomes the master of display area Miscarriage product, it is contemplated that in following 5 years, the explosive growth stage can be in.At present, based on small spacing market is mainly encapsulated with SMD, Mainly there is the mainstreams package dimension such as 1515,1010,0808.For existing SMD encapsulation technologies realize display screen be primarily present with Lower problem:
1st, aberration problem.Between different modules, there are aberration and splicing seams can also influence display screen entirety aberration.It is in addition, existing Have in the LED lamp bead colloid that technology realizes and be added to black dose or dumb light powder, after upper screen, there are aberration for lamp bead color.
2nd, since small spacing lamp bead is small, the anticollision ability of lamp bead is poor, display screen carry or using when be easy to cause it is blind Point.
In addition, at this stage COB forms due to production technology, technical maturity it is not high, can not still replace SMD lamp beads encapsulate, Therefore within 3 years futures, the indoor small clearance display screen of SMD packing forms remains as the mainstream finished product in market.
Invention content
The present invention provides a kind of LED display integration based on encapsulating technology to solve above-mentioned technological deficiency Mask instead of Conventional masks technology, solves the problems, such as the SMD encapsulation aberration of display screen and piece aberration, improves display screen Contrast, while also improve the anticollision ability of display screen.
The technical scheme is that;A kind of LED display Integral mask based on encapsulating technology, including carrying IC's PCB module group substrates and several LED lamp beads being attached to by SMT modes on PCB module group substrates, wherein, to PCB module group substrates Gap and LED light bead surface between front, LED lamp bead carry out encapsulating, and one is formed after the colloid poured into is cured Change mask.
On the basis of existing technology, to the processing of display screen module encapsulating, Integral mask, Integral mask pair are formed LED lamp bead gap be filled up completely forming lamp bead gap glue-line, and covering is carried out to LED light bead surface and forms lamp bead surface glue Layer carries out totally-enclosed protection to LED lamp bead, improves the anticollision ability of display screen;It is carried out simultaneously by the compounding ingredients to encapsulating Processing improves display screen contrast, can eliminate the display screen flower screen that lamp bead aberration is brought.
Preferably, when display screen matrix spacing is 0.5mm-2.0mm, LED lamp bead size is 0.5mm-1.5mm.It keeps The problem of gap between LED lamp bead is small, reduction piece aberration, improves contrast.
Preferably, LED lamp bead includes the transparent colloid encapsulating structure based on QFN structures or the transparent adhesive tape based on TOP structures Body encapsulating structure.It realizes that LED lamp bead encapsulation carries out water white transparency encapsulation, reduces the aberration of display screen.
Preferably, LED lamp bead colloid transmissivity is 70%-95%.
Preferably, it is formed by curing the colloid of Integral mask to be allocated by water white transparency glue+black dose, the ratio of allotment Ranging from 1:0.01—1:0.1, the water white transparency glue includes epoxy resin, silicones, the mixing of silica gel one or more of which It forms, hardness is 50D-80D after hardening.Black dose of raising display screen contrast is called in mask encapsulating, lamp bead aberration can be eliminated The display screen flower screen brought.
Preferably, be formed by curing Integral mask colloid can be low-temperature setting adhesive or high temperature setting glue, by mold into After type completes semi-solid preparation, then cured.
Preferably, in one layer of glue-line of PCB module group substrates front embedding, gap is filled up completely between LED lamp bead, with And LED light bead surface carries out covering a thin layer of colloid, LED lamp bead surface covering rubber body thickness is 0.02mm-0.2mm.
Preferably, the colloid surface of LED lamp bead includes plane or roughening matte surface or patterned surface processing.
The forming process step of Integral mask is;
1st, LED lamp bead is attached to by SMT modes on the PCB module group substrates with IC;
2nd, mask casting glue is allocated;
3rd, the display screen module after patch is put into mold and carries out encapsulating;
4th, colloid cures.
The beneficial effects of the invention are as follows;The present invention realizes the integration of indoor small clearance display screen module using encapsulating technology Mask solves the problems, such as the aberration between small clearance display screen module, and it is the extra small spacing of below 1.5mm that can realize display spacing The mask covering of display screen, solves Conventional masks technology and covers problem to extra small clearance display screen;Meanwhile to LED lamp bead into Row all standing is protected, and improves the waterproof ability of display screen and anticollision ability.
Description of the drawings
Fig. 1 is the display screen module side structure schematic diagram that the prior art is realized.
Fig. 2 is the side structure schematic diagram of the display screen module of the present invention.
In figure;Integral mask 1, LED lamp bead surface size 1-1, LED lamp bead gap glue-line 1-2,
LED lamp bead 2, PCB module group substrates 3.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent;It is attached in order to more preferably illustrate the present embodiment Scheme certain components to have omission, zoom in or out, do not represent the size of actual product;To those skilled in the art, The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1:
Such as figure one is the display screen module that the prior art is realized.The display screen that this structure is realized can exist apparent in the process of splicing Piece problem, piece can cause display aberration, in addition, LED lamp bead 2, which encapsulates, can also form aberration.Also, not to LED Lamp bead 2 is protected, and in handling process, is be easy to cause LED lamp bead 2 and is damaged, and is formed and is shown blind spot.
To advanced optimize said program, as described in Figure 2, in the technology of the prior art, positive to PCB module group substrates 3, Gap and 2 surface of LED lamp bead between LED lamp bead 2 carry out encapsulating, and display screen module is made to form Integral mask 1;LED light Pearl 2 is welded on the surface of PCB module group substrates 3 by tin cream welding technique, and 2 size of LED lamp bead can be 0.5mm-1.5mm, upper screen Display spacing afterwards can be 0.5mm-2.0mm.The Integral mask 1 be filled up completely forming LED to 2 gap of LED lamp bead Lamp bead gap glue-line 1-2;Covering is carried out to 2 surface of LED lamp bead and forms LED lamp bead surface size 1-1, the LED light bead surface The thickness of glue-line 1-1 is 0.02mm-0.2mm, and colloid surface includes plane or roughening matte surface or patterned surface processing, right LED lamp bead 2 carries out totally-enclosed protection, improves the anticollision ability of display screen.
The display screen lamp bead that the prior art is realized need to carry out Darkening process, for improving the contrast of display screen.Due to LED There is the problems such as difference batch, stable processing technique in lamp bead 2, there are aberration to avoid, and causes display screen aberration serious.The present invention It can realize that the encapsulation of LED lamp bead 2 carries out water white transparency encapsulation using Integral mask 1, LED lamp bead 2 is included based on the saturating of QFN structures Gelatin body encapsulating structure or the transparent colloid encapsulating structure based on TOP structures, 2 colloid transmissivity of LED lamp bead are 70%-95%;Gu Change and form the colloid of Integral mask 1 as black colloid, allocated by water white transparency glue+black dose, the proportional region of allotment It is 1:0.01—1:0.1, water white transparency glue includes epoxy resin, silicones, silica gel one or more of which and mixes, and hardens Hardness is 50D-80D afterwards.Black dose of raising display screen contrast is called in mask encapsulating, can eliminate what 2 aberration of LED lamp bead was brought Display screen flower screen.
In the present embodiment, carrying out the colloid of encapsulating can also be allocated by water white transparency colloid+other pigments, color Depending on the ratio of glue and other pigments.
The present invention realizes the Integral mask of indoor small clearance display screen module using encapsulating technology, solves small spacing and shows Aberration problem between display screen module can realize that display spacing is covered for the mask of the extra small clearance display screens of below 1.5mm, solution Conventional masks technology of having determined covers problem to extra small clearance display screen;Meanwhile all standing protection is carried out to LED lamp bead 2, it improves The waterproof ability of display screen and anticollision ability.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention Protection domain within.

Claims (8)

1. a kind of LED display Integral mask based on encapsulating technology, including carrying the PCB module group substrates of IC and passing through SMT modes are attached to several LED lamp beads on PCB module group substrates, which is characterized in that PCB module group substrates front, LED lamp bead Between gap and LED light bead surface carry out encapsulating, form Integral mask after the colloid poured into is cured.
2. a kind of LED display Integral mask based on encapsulating technology according to claim 1, which is characterized in that when When display screen matrix spacing is 0.5mm-2.0mm, LED lamp bead size is 0.5mm-1.5mm.
A kind of 3. LED display Integral mask based on encapsulating technology according to claim 1, which is characterized in that institute It states LED lamp bead and includes the transparent colloid encapsulating structure based on QFN structures or the transparent colloid encapsulating structure based on TOP structures.
A kind of 4. LED display Integral mask based on encapsulating technology according to claim 3, which is characterized in that institute LED lamp bead colloid transmissivity is stated as 70%-95%.
5. a kind of LED display Integral mask based on encapsulating technology according to claim 1, which is characterized in that Gu Change and form the colloid of Integral mask and allocated by water white transparency glue+black dose, the proportional region of allotment is 1:0.01—1: 0.1, the water white transparency glue includes epoxy resin, silicones, silica gel one or more of which and mixes, and hardness is after hardening 50D-80D。
A kind of 6. LED display Integral mask based on encapsulating technology according to claim 1, which is characterized in that institute State be formed by curing Integral mask colloid can be low-temperature setting adhesive or high temperature setting glue, be molded and complete semi-solid preparation Afterwards, then cured.
A kind of 7. LED display Integral mask based on encapsulating technology according to claim 1, which is characterized in that institute The colloid thickness for stating the covering of LED light bead surface is 0.02mm-0.2mm.
A kind of 8. LED display Integral mask based on encapsulating technology according to claim 7, which is characterized in that institute The colloid surface for stating LED lamp bead includes plane or roughening matte surface or patterned surface processing.
CN201810175659.9A 2018-03-02 2018-03-02 A kind of LED display Integral mask based on encapsulating technology Pending CN108230933A (en)

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Application Number Priority Date Filing Date Title
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Cited By (16)

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Publication number Priority date Publication date Assignee Title
CN109155118A (en) * 2018-07-20 2019-01-04 深圳市雷迪奥视觉技术有限公司 Show the preparation process and display screen of screen cover
CN109192748A (en) * 2018-09-26 2019-01-11 利亚德光电股份有限公司 LED display module
CN109616026A (en) * 2019-01-30 2019-04-12 华域视觉科技(上海)有限公司 Improve the method and LED display of LED static state screen display effect
CN109637383A (en) * 2019-01-18 2019-04-16 深圳市洲明科技股份有限公司 LED display module and its treatment process and processing equipment
CN109872645A (en) * 2019-03-19 2019-06-11 深圳市洲明科技股份有限公司 Waterproof LED display screen
CN110299083A (en) * 2019-06-12 2019-10-01 厦门强力巨彩光电科技有限公司 A kind of LED display glue-pouring method
CN110808244A (en) * 2019-10-29 2020-02-18 长春希龙显示技术有限公司 LED display unit surface packaging method based on modeling technology
CN111019579A (en) * 2019-12-26 2020-04-17 苏州晶台光电有限公司 Thermochromic packaging adhesive and preparation method and application thereof
CN111326081A (en) * 2020-03-20 2020-06-23 深圳视爵光旭电子有限公司 Preparation method of novel display screen external member and special clamp
CN111416030A (en) * 2020-04-01 2020-07-14 苏州晶台光电有限公司 Processing method for whitening of splicing seams between COB modules
CN111477121A (en) * 2020-05-26 2020-07-31 深圳市洲明科技股份有限公司 Manufacturing method of L ED display screen
WO2020252657A1 (en) * 2019-06-18 2020-12-24 深圳金立翔视效科技有限公司 Display device, and display system
CN112150936A (en) * 2019-06-28 2020-12-29 深圳市洲明科技股份有限公司 LED display module and glue filling method thereof
CN112992958A (en) * 2020-07-21 2021-06-18 重庆康佳光电技术研究院有限公司 LED display unit, LED display screen and manufacturing method thereof
CN113724607A (en) * 2020-05-26 2021-11-30 深圳市洲明科技股份有限公司 Manufacturing method of LED display module
CN115294862A (en) * 2022-05-27 2022-11-04 深圳爱克莱特科技股份有限公司 Display screen

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109155118A (en) * 2018-07-20 2019-01-04 深圳市雷迪奥视觉技术有限公司 Show the preparation process and display screen of screen cover
WO2020014958A1 (en) * 2018-07-20 2020-01-23 深圳市雷迪奥视觉技术有限公司 Display screen mask preparation process and display screen
US11345095B2 (en) 2018-07-20 2022-05-31 Roe Visual Co., Ltd. Manufacturing process of display screen cover
CN109192748A (en) * 2018-09-26 2019-01-11 利亚德光电股份有限公司 LED display module
CN109637383A (en) * 2019-01-18 2019-04-16 深圳市洲明科技股份有限公司 LED display module and its treatment process and processing equipment
CN109637383B (en) * 2019-01-18 2022-01-14 深圳市洲明科技股份有限公司 LED display module and processing technology and processing equipment thereof
CN109616026A (en) * 2019-01-30 2019-04-12 华域视觉科技(上海)有限公司 Improve the method and LED display of LED static state screen display effect
CN109872645A (en) * 2019-03-19 2019-06-11 深圳市洲明科技股份有限公司 Waterproof LED display screen
CN109872645B (en) * 2019-03-19 2021-09-24 深圳市洲明科技股份有限公司 Waterproof LED display screen
CN110299083A (en) * 2019-06-12 2019-10-01 厦门强力巨彩光电科技有限公司 A kind of LED display glue-pouring method
CN110299083B (en) * 2019-06-12 2021-10-22 厦门强力巨彩光电科技有限公司 Glue pouring method for LED display screen
WO2020252657A1 (en) * 2019-06-18 2020-12-24 深圳金立翔视效科技有限公司 Display device, and display system
CN112150936A (en) * 2019-06-28 2020-12-29 深圳市洲明科技股份有限公司 LED display module and glue filling method thereof
CN112150936B (en) * 2019-06-28 2022-12-27 深圳市洲明科技股份有限公司 LED display module and glue filling method thereof
CN110808244A (en) * 2019-10-29 2020-02-18 长春希龙显示技术有限公司 LED display unit surface packaging method based on modeling technology
CN111019579A (en) * 2019-12-26 2020-04-17 苏州晶台光电有限公司 Thermochromic packaging adhesive and preparation method and application thereof
WO2021184416A1 (en) * 2020-03-20 2021-09-23 深圳视爵光旭电子有限公司 Novel display screen kit manufacturing method
CN111326081A (en) * 2020-03-20 2020-06-23 深圳视爵光旭电子有限公司 Preparation method of novel display screen external member and special clamp
CN111416030A (en) * 2020-04-01 2020-07-14 苏州晶台光电有限公司 Processing method for whitening of splicing seams between COB modules
CN111477121A (en) * 2020-05-26 2020-07-31 深圳市洲明科技股份有限公司 Manufacturing method of L ED display screen
CN113724607A (en) * 2020-05-26 2021-11-30 深圳市洲明科技股份有限公司 Manufacturing method of LED display module
CN113724607B (en) * 2020-05-26 2023-05-02 深圳市洲明科技股份有限公司 Manufacturing method of LED display module
CN112992958A (en) * 2020-07-21 2021-06-18 重庆康佳光电技术研究院有限公司 LED display unit, LED display screen and manufacturing method thereof
CN115294862A (en) * 2022-05-27 2022-11-04 深圳爱克莱特科技股份有限公司 Display screen

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Application publication date: 20180629