CN105915683A - Side-entry backlight module and display apparatus - Google Patents

Side-entry backlight module and display apparatus Download PDF

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Publication number
CN105915683A
CN105915683A CN201610270130.6A CN201610270130A CN105915683A CN 105915683 A CN105915683 A CN 105915683A CN 201610270130 A CN201610270130 A CN 201610270130A CN 105915683 A CN105915683 A CN 105915683A
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CN
China
Prior art keywords
adhesive tape
diffusion sheet
otch
shading adhesive
back module
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.)
Granted
Application number
CN201610270130.6A
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Chinese (zh)
Other versions
CN105915683B (en
Inventor
刘子平
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.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Xiamen BOE Electronics 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.)
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Application filed by BOE Technology Group Co Ltd, Xiamen BOE Electronics Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201610270130.6A priority Critical patent/CN105915683B/en
Publication of CN105915683A publication Critical patent/CN105915683A/en
Application granted granted Critical
Publication of CN105915683B publication Critical patent/CN105915683B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/22Illumination; Arrangements for improving the visibility of characters on dials

Abstract

The invention relates to the technical field of a display apparatus and discloses a side-entry backlight module and a display apparatus. The side-entry backlight module comprises light guide plates and diffusion sheets in laminated arrangement and light strips arranged along one side of each light guide plate. The light strips comprise a plurality of light emitting diodes arranged at intervals. The surface of one side of each diffusion sheet in the opposite direction of the light guide plates is attached by light shading adhesive bars along the edge of one side of each light strip. The light shading adhesive bars are provided with a gap between every two neighboring light emitting diodes. The diffusion sheets of the above mentioned side entry backlight module do not wrinkle easily. For this function, a display apparatus using such a side entry backlight module seldom sees the occurrence of poor light waves.

Description

A kind of side entrance back module and display device
Technical field
The present invention relates to display device technology field, particularly to a kind of side entrance back module and display dress Put.
Background technology
At present, ultra-thin smart handset is the most popular with consumers, thus, along with the demand of market development, small-sized The backlight module slimming of display device becomes a kind of trend.Typically, compact display apparatus uses the side entering type back of the body Light module provides in backlight, and backlight module typically by using relatively thin light guide plate to realize backlight module Slimming.
At present, it is limited to the requirement of product brightness and cost, with the thickness of the light source of slimming light guide plate collocation The generally higher than thickness of light guide plate, and in order to avoid the edge light leak of backlight module with bright spot occurs, typically expand Discrete piece many employings front end gum strip mode, i.e. attaches shading glue at the diffusion sheet upper surface near the edge of light source Bar;But, this kind of mode synchronizes to create a new difficult problem, and i.e. in reliability testing, diffusion sheet is easily by adhesive tape Impact and fold occurs, thus cause backlight module to go out light uneven, and then cause display device to occur Light ripple (WAVING) bad phenomenon.
Summary of the invention
The invention provides a kind of side entrance back module and display device, be used for solving side of the prior art Enter formula backlight module and be easily caused the problem that display device occurs that light ripple is bad.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
A kind of side entrance back module, the light guide plate arranged including stacking and diffusion sheet and along described leaded light The lamp bar that one side of plate is arranged;Wherein,
Described lamp bar includes spaced multiple light emitting diode;
Described diffusion sheet deviates from the limit on a side surface of described light guide plate along described lamp bar side side Edge is pasted with shading adhesive tape;Described shading adhesive tape part between two the most adjacent light emitting diodes is provided with One otch.
In above-mentioned side entrance back module, due to diffusion sheet its be provided with lamp bar side (light guide plate enter light Side) be pasted with shading adhesive tape on edge, such that it is able to avoid side entrance back module this side (light guide plate Incident side) light leak or bright spot occur;Further, owing to above-mentioned shading adhesive tape is at two the most adjacent light-emitting diodes Being designed with otch between pipe (LED) light source, this otch can disperse and alleviate shading glue bar and shrink generation Stress, and then reduce the shading adhesive tape active force to diffusion sheet, therefore, in this side entrance back module, expand Discrete piece is difficult to fold occur;Thus, the backlight that this side entrance back module provides is more uniform, and then utilization should The display device of side entrance back module is difficult to the phenomenon that light ripple is bad occur.
Preferably, described diffusion sheet is provided with the most multiple otch of otch with described shading adhesive tape, institute The otch of each otch and corresponding shading adhesive tape of stating diffusion sheet matches.
Preferably, the width of described shading adhesive tape is 0.7~1.0mm.
Preferably, the width of each otch of described shading adhesive tape is equal to the width of described shading adhesive tape.
Preferably, the length of each otch of described shading adhesive tape is less than or equal to two the most adjacent luminescences Spacing between diode.
The a length of 3.8mm of the one section of shading adhesive tape being preferably located between the most adjacent two otch.
Preferably, described shading adhesive tape deviates from the surface of described diffusion sheet side and the upper surface of described lamp bar In same plane.
Preferably, described side entrance back module also includes that being set in turn in described diffusion sheet deviates from described leaded light The lower prism of plate side and upper prism, and for by described light guide plate, diffusion sheet, light source, lower prism and The glue frame assembled fixed by upper prism.
Preferably, described side entrance back module also includes that being positioned at described upper prism deviates from described lower prism side Edge brake sack.
Preferably, described side entrance back module also includes that being positioned at described light guide plate deviates from described diffusion sheet side Reflector plate.
A kind of display device, including the side entrance back module described in any of the above-described technical scheme.
Accompanying drawing explanation
The detonation configuration schematic diagram of a kind of side entrance back module that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the diffusion sheet of a kind of side entrance back module that Fig. 2 provides for the embodiment of the present invention;
The tangent plane structural representation of a kind of side entrance back module that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Refer to Fig. 1~Fig. 3.
As shown in FIG. 1 to 3, a kind of side entrance back module that the embodiment of the present invention provides, this side entering type is carried on the back Light module includes that light guide plate 1 that stacking arranges and diffusion sheet 2 and a side along light guide plate 1 are arranged Lamp bar 4;Wherein,
Be provided with the side side of lamp bar 4 along light guide plate 1, lamp bar 4 includes spaced multiple LED41;
The edge that diffusion sheet 2 deviates from a side surface of light guide plate 1 along lamp bar 4 side side is pasted with Shading adhesive tape 3;This shading adhesive tape 3 part between two the most adjacent LED41 is provided with an otch 31, i.e. can be provided with multiple otch 31, two that these otch are adjacent with lamp bar 4 in this shading adhesive tape 3 Gap one_to_one corresponding between LED41.
In above-mentioned side entrance back module, owing to diffusion sheet 2 is provided with the side (light guide plate 1 of lamp bar 4 at it Incident side) be pasted with shading adhesive tape 3, such that it is able to avoid this side of side entrance back module (to lead on edge The incident side of tabula rasa 1) light leak or bright spot occur;Further, owing to above-mentioned shading adhesive tape 3 is the most adjacent two Be designed with otch 31 between individual LED41, this otch 31 can in the case of avoiding light leak simultaneously dispersion and Alleviate shading adhesive tape 3 and shrink the stress produced, and then reduce the shading adhesive tape 3 active force to diffusion sheet 2, Therefore, the diffusion sheet 2 of this side entrance back module is difficult to fold occur;Thus, this side entrance back module The backlight provided is more uniform, and then utilizes the display device of this side entrance back module to be difficult to light ripple occur not Good phenomenon.
As depicted in figs. 1 and 2, in a kind of specific embodiment, in the side entrance back module of the present invention, The most multiple otch of otch 31 21 with shading adhesive tape 3 can also be provided with, diffusion on diffusion sheet 2 Each otch 21 of sheet and the otch 31 of corresponding shading adhesive tape 3 match.
The otch 21 that diffusion sheet 2 is provided with can disperse gentle to solve the active force that diffusion sheet 2 is subject to, therefore, Can avoid diffusion sheet 2 that fold occurs further;Further, the otch 21 on diffusion sheet 2 and shading adhesive tape 3 On otch match, then otch on diffusion sheet 2 21 can be by one with the otch 31 of shading adhesive tape 3 The cutting of secondary property concurrently forms, and then the preparation technology of diffusion sheet 2 and shading adhesive tape 3 can be made simple and convenient.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, in a kind of specific embodiment, shading The width a of adhesive tape 3 can be 0.7~1.0mm.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, in a kind of preferred embodiment, shading The width of each otch 31 of adhesive tape 3 can be equal to the width of shading adhesive tape 3;Each otch 31 i.e. All shading adhesive tape 3 is blocked.
Length c being preferably located at one section of shading adhesive tape between the most adjacent two otch 31 is 3.8mm, i.e. length c of the every a bit of shading glue bar that shading adhesive tape 3 incision is formed after blocking is permissible For 3.8mm.
As depicted in figs. 1 and 2, it is further preferred that length b of each otch 31 of shading adhesive tape 3 Can less than or equal to the spacing between the most adjacent two LED41, such that can effectively disperse and Alleviate the contractility of shading adhesive tape 3, avoid diffusion sheet 2 that fold occurs, again will not be to the screening of shading adhesive tape 3 Light action produces impact.
As shown in figures 1 and 3, on the basis of the various embodiments described above, in a kind of specific embodiment, this In the side entrance back module of invention, what lamp bar 4 was positioned at the i.e. light guide plate 1 in side side of diffusion sheet 2 enters light Side, shading adhesive tape 3 deviate from diffusion sheet 2 a side surface can with the upper surface of lamp bar 4 (lamp bar 4 towards One side surface of display floater) it is in same plane, in other words, the thickness of shading adhesive tape 3 can be by lamp Bar 4 exceeds the part polishing of light guide plate 1 and diffusion sheet 2, i.e. this shading adhesive tape 3 can be high by LED41 The part exiting surface going out light guide plate 1 and diffusion sheet 2 shelters from, and then, this shading adhesive tape 3 can effectively be kept away Exempt from light guide plate 1 relatively thin time, there is light leak or bright spot in its incident side.
As shown in figures 1 and 3, on the basis of the various embodiments described above, in a kind of specific embodiment, this The side entrance back module of invention can also include that being set in turn in diffusion sheet 2 deviates under light guide plate 1 side Prism 5 and upper prism 6, and for by light guide plate 1, diffusion sheet 2, lamp bar 4, lower prism 5 and upper rib The fixing glue frame 7 assembled of mirror 6.
As shown in figures 1 and 3, it is preferable that the side entrance back module of the present invention can also include being positioned at Prism 6 deviates from the edge brake sack 8 of lower prism 5 side.
As shown in figures 1 and 3, further preferably the side entrance back module of the present invention can also include position The reflector plate 9 of diffusion sheet 2 side is deviated from light guide plate 1.
The embodiment of the present invention additionally provides a kind of display device, and this display device includes that any of the above-described embodiment carries The side entrance back module of confession.In the side entrance back module of this display device, the incident side edge of diffusion sheet Being not easy fold occur, therefore, this display device is not easy light ripple bad phenomenon occur.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not take off From the spirit and scope of the present invention.So, if these amendments of the present invention and modification belong to right of the present invention Require and within the scope of equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims (10)

1. a side entrance back module, it is characterised in that include light guide plate that stacking arranges and diffusion sheet, And the lamp bar of a side setting along described light guide plate;Wherein,
Described lamp bar includes spaced multiple light emitting diode;
Described diffusion sheet deviates from the limit on a side surface of described light guide plate along described lamp bar side side Edge is pasted with shading adhesive tape;Described shading adhesive tape part between two the most adjacent light emitting diodes is provided with One otch.
Side entrance back module the most according to claim 1, it is characterised in that described diffusion sheet sets Have the most multiple otch of otch with described shading adhesive tape, each otch of described diffusion sheet and with The otch of the shading adhesive tape of its correspondence matches.
Side entrance back module the most according to claim 1, it is characterised in that described shading adhesive tape Width be 0.7~1.0mm.
Side entrance back module the most according to claim 1, it is characterised in that described shading adhesive tape The width of each otch equal to the width of described shading adhesive tape.
5. according to the side entrance back module described in any one of Claims 1 to 4, it is characterised in that described Between the length of each otch of shading adhesive tape is less than or equal between two the most adjacent light emitting diodes Away from.
Side entrance back module the most according to claim 5, it is characterised in that be positioned at the most adjacent The a length of 3.8mm of one section of shading adhesive tape between two otch.
Side entrance back module the most according to claim 5, it is characterised in that described shading adhesive tape The upper surface on the surface and described lamp bar that deviate from described diffusion sheet side is in same plane.
Side entrance back module the most according to claim 7, it is characterised in that also include setting successively It is placed in described diffusion sheet and deviates from the lower prism of described light guide plate side and upper prism, and for by described leaded light The glue frame assembled fixed by plate, diffusion sheet, lamp bar, lower prism and upper prism.
9. according to the side entrance back module described in any one of claim 6~8, it is characterised in that also wrap Include and be positioned at described light guide plate and deviate from the reflector plate of described diffusion sheet side.
10. a display device, it is characterised in that include that the side as described in any one of claim 1~9 enters Formula backlight module.
CN201610270130.6A 2016-04-27 2016-04-27 A kind of side entrance back module and display device Active CN105915683B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610270130.6A CN105915683B (en) 2016-04-27 2016-04-27 A kind of side entrance back module and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN105915683B CN105915683B (en) 2019-04-02

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105892152A (en) * 2016-06-28 2016-08-24 京东方科技集团股份有限公司 Backlight module as well as preparation method thereof and display device
CN106970489A (en) * 2017-05-11 2017-07-21 北京京东方茶谷电子有限公司 Backlight module and its manufacture method, display device
CN111352273A (en) * 2020-03-16 2020-06-30 深圳市南极光电子科技股份有限公司 Dig hole screen backlight
CN112147735A (en) * 2019-06-28 2020-12-29 北京小米移动软件有限公司 Backlight module, display panel and display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN203686744U (en) * 2013-07-19 2014-07-02 惠州市宝明精工有限公司 Crease-resistant backlight source module
CN203870362U (en) * 2014-06-05 2014-10-08 北京京东方显示技术有限公司 Display device
CN204062723U (en) * 2014-09-25 2014-12-31 京东方光科技有限公司 A kind of backlight module and display unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203686744U (en) * 2013-07-19 2014-07-02 惠州市宝明精工有限公司 Crease-resistant backlight source module
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
CN203870362U (en) * 2014-06-05 2014-10-08 北京京东方显示技术有限公司 Display device
CN204062723U (en) * 2014-09-25 2014-12-31 京东方光科技有限公司 A kind of backlight module and display unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105892152A (en) * 2016-06-28 2016-08-24 京东方科技集团股份有限公司 Backlight module as well as preparation method thereof and display device
CN106970489A (en) * 2017-05-11 2017-07-21 北京京东方茶谷电子有限公司 Backlight module and its manufacture method, display device
CN112147735A (en) * 2019-06-28 2020-12-29 北京小米移动软件有限公司 Backlight module, display panel and display device
CN111352273A (en) * 2020-03-16 2020-06-30 深圳市南极光电子科技股份有限公司 Dig hole screen backlight

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Effective date of registration: 20180411

Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Applicant after: BOE Technology Group Co., Ltd.

Address before: 361101 Fujian, Xiamen torch hi tech Zone (Xiangan) Industrial Zone Xiang Hong Road, No. 1, 1-2 layer

Applicant before: Xiamen BOE Co., Ltd.

Applicant before: BOE Technology Group Co., Ltd.

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