CN101634761A - Protective film for liquid crystal display module - Google Patents

Protective film for liquid crystal display module Download PDF

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Publication number
CN101634761A
CN101634761A CN200910166456A CN200910166456A CN101634761A CN 101634761 A CN101634761 A CN 101634761A CN 200910166456 A CN200910166456 A CN 200910166456A CN 200910166456 A CN200910166456 A CN 200910166456A CN 101634761 A CN101634761 A CN 101634761A
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CN
China
Prior art keywords
liquid crystal
diaphragm
display module
crystal display
attach area
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Granted
Application number
CN200910166456A
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Chinese (zh)
Other versions
CN101634761B (en
Inventor
陆健
蔡明奇
韦红亮
邬文正
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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Priority to CN2009101664564A priority Critical patent/CN101634761B/en
Publication of CN101634761A publication Critical patent/CN101634761A/en
Application granted granted Critical
Publication of CN101634761B publication Critical patent/CN101634761B/en
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Abstract

The invention discloses a protective film for a liquid crystal display module, wherein the liquid crystal display module mainly comprises a liquid crystal panel and a printed circuit board connected with the liquid crystal panel. The protective film comprises a first protective film attaching area which can be attached to the surface of the liquid crystal panel and a second protective film attaching area which can be attached to the surface of the printed circuit board, wherein the first protective film attaching area is connected with the second protective film attaching area through a roulette, and the roulette is arranged at a position corresponding to the side wall of the liquid crystal display module. The one-piece structural design of the protective film can effectively solve the problem that the protective film is easy to fall off from the periphery of the film when the protective film for the liquid crystal panel or the protective film for the printed circuit board is singly attached.

Description

A kind of diaphragm that is used for the liquid crystal display module
Technical field
The present invention relates to field of liquid crystal, particularly a kind of diaphragm that is used for the liquid crystal display module.
Background technology
LCD (LCD) is owing to possess frivolous, power saving and numerous advantages such as radiationless, and is widely used in the various electronic products, as mobile phone, PDA(Personal Digital Assistant) and notebook computer etc.LCD has begun to replace the cathode ray tube (CRT) TV gradually and the main flow that becomes the thin, planar TV gradually.
The liquid crystal display module mainly comprises by light guide plate, Polarizer, by array base palte, colored filter substrate be clipped in liquid crystal panel that the liquid crystal between the two substrates constitutes and the printed circuit board (PCB) formations such as (PCB) that is connected, is fixed in liquid crystal display module bottom with liquid crystal panel.After the assembling of liquid crystal display module is finished, need be transported to other as assembly plants such as LCD, notebooks, to carry out follow-up assembling operation.In the process that the liquid crystal display module transports, on the printed circuit board (PCB) that the liquid crystal panel surface reaches with liquid crystal panel is connected, adhere to extraneous dust particle, or be subjected to artificial wearing and tearing and scratch.Therefore, before the liquid crystal display module transports, need place a diaphragm of making by PE (tygon) or PET plastic cement materials such as (polyphenyl dioctyl phthalate glycol esters) in advance on the liquid crystal panel and printed circuit board (PCB) of liquid crystal display module.The liquid crystal display module transport finish after, row takes off diaphragm on the liquid crystal panel again, is beneficial to the liquid crystal display module and carries out follow-up assembling operation.
Fig. 1 is the structural representation that the diaphragm on the existing liquid crystal panel attaches.Fig. 2 is the structural representation that the diaphragm on the existing printed circuit board (PCB) attaches.As depicted in figs. 1 and 2, in the flow process of traditional attaching diaphragm, need separately attach the diaphragm 104 of the diaphragm 102 on liquid crystal panel 101 surfaces and printed circuit board (PCB) 103.In Fig. 2, printed circuit board (PCB) is fixed in the bottom of liquid crystal display module, and the backlight between printed circuit board (PCB) and liquid crystal panel, light guide plate, polaroid etc. are not shown.Traditional attaching method operation is various; and the diaphragm on liquid crystal panel 101 surfaces or the printed circuit board (PCB) 103 102,104 comes off easily; the diaphragm 102 on liquid crystal panel 101 surfaces particularly; it is adsorbed on liquid crystal panel 101 surfaces by electrostatic interaction; when its periphery the slit occurs with liquid crystal panel 101 surfaces; be easy to come off, thereby make diaphragm not reach the effect of protection liquid crystal panel.
Summary of the invention
In view of this, the invention provides a kind of diaphragm that is used for the liquid crystal display module, not only can save the operation that attaches diaphragm, raise the efficiency, and the problem that can avoid diaphragm easily to come off from the film periphery.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of diaphragm that is used for the liquid crystal display module comprises: the first diaphragm attach area that can be attached to the liquid crystal panel surface; Can be attached to the second diaphragm attach area of printed circuit board surface; Interconnect between the first diaphragm attach area and the second diaphragm attach area.
A kind of diaphragm that is used for the liquid crystal display module provided by the invention has not only been saved the operation that attaches diaphragm; improved efficient, and this diaphragm structure problem that liquid crystal panel diaphragm or printed circuit board (PCB) diaphragm easily come off from the film periphery also can avoid independent the attaching time.
Description of drawings
Fig. 1 is the structural representation that the diaphragm on the liquid crystal panel attaches in the existing liquid crystal display module.
Fig. 2 is the structural representation that the diaphragm on the printed circuit board (PCB) attaches in the existing liquid crystal display module.
Fig. 3 is the structural representation that liquid crystal panel part diaphragm attaches in the liquid crystal display module of first embodiment of the invention.
Fig. 4 is the structural representation that P.e.c. plate portion diaphragm attaches in the liquid crystal display module of first embodiment of the invention.
Fig. 5 is the side view that diaphragm attaches in the liquid crystal display module of first embodiment of the invention.
Fig. 6 is the structural representation that diaphragm attaches in the liquid crystal display module of second embodiment of the invention.
Fig. 7 is the structural representation that diaphragm attaches in the liquid crystal display module of third embodiment of the invention.
Fig. 8 is the structural representation that diaphragm attaches in the liquid crystal display module of fourth embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Fig. 3 is the structural representation that liquid crystal panel part diaphragm attaches in the liquid crystal display module of first embodiment of the invention.Fig. 4 is the synoptic diagram that P.e.c. plate portion diaphragm attaches in the liquid crystal display module of first embodiment of the invention.In conjunction with Fig. 3 and shown in Figure 4, the liquid crystal display module comprises liquid crystal panel 201, and the printed circuit board (PCB) 203 bottom liquid crystal panel 201 is connected, is fixed in the liquid crystal display module, the backlight between printed circuit board (PCB) and liquid crystal panel, light guide plate, polaroid etc. are not shown.Liquid crystal panel 201 is a rectangular thin plate.
Diaphragm 202 comprises the first diaphragm attach area 221 that can be attached to liquid crystal panel 201 surfaces, can be attached to the second diaphragm attach area 222 on printed circuit board (PCB) 203 surfaces.
In the present embodiment, diaphragm 202 also comprises between join domain 223, the first diaphragm attach area 221 and the second diaphragm attach area 222 and interconnecting by join domain 223.
Preferably; has roulette in the join domain 223; in the first embodiment of the present invention; as shown in Figure 3 and Figure 4; 223 have two first roulettes 231 that are parallel to each other and second roulette 232 in the join domain, wherein join domain 223 by first roulette 231 link to each other with the first diaphragm attach area 221, join domain 223 passes through second roulette 232 and links to each other with the second diaphragm attach area 222.
Wherein, first roulette 231 and second roulette, 232 places can adopt the design that is easy to tear; for example; the thinner thickness of first roulette 231 and second roulette, 232 place's diaphragms 202 perhaps can adopt the form that a plurality of intensive continuous rectangle apertures are set to form first roulette 231 and second roulette 232.Because this place's structure is compared comparatively weak with other parts of diaphragm; therefore; the liquid crystal display module transport finish after, its first diaphragm attach area 221 above liquid crystal panel can be torn along first or second roulette 231,232 with comparalive ease, to carry out follow-up assembling operation.
Diaphragm 202 is made by plastic cement materials such as PE or PET, and wherein, the first diaphragm attach area 221 that can be attached to liquid crystal panel 201 surfaces is hard coating, and it is attached to the front of liquid crystal panel 201 by electrostatic interaction.The second diaphragm attach area 222 that can be attached to printed circuit board (PCB) 203 surfaces is the stickiness diaphragm, and its emplastic by the back side is attached to printed circuit board (PCB) 203 surfaces.Join domain 223 between the first diaphragm attach area 221 and the second diaphragm attach area 222 then is attached to sidewall 204 surfaces of the liquid crystal display module between liquid crystal panel 201 and the printed circuit board (PCB) 203.
Therefore; when the liquid crystal display module attaches diaphragm; only need as shown in Figure 3 and Figure 4; to liquid crystal panel 201 is positive when attaching the first diaphragm attach area 221, simultaneously join domain 223 is attached to liquid crystal display module sidewall 204 surfaces and the second diaphragm attach area 222 is attached to printed circuit board (PCB) 203 surfaces of being fixed in liquid crystal display module bottom.
The liquid crystal display module transport finish after, only need diaphragm 202 to be torn along first or second roulette 231,232, the first diaphragm attach area 221 that can will be attached to liquid crystal panel 201 fronts is taken off; And the second diaphragm attach area 222 that is attached at printed circuit board (PCB) 203 surfaces still keeps, thereby continues the assembling operation of back.
By finishing attaching simultaneously to liquid crystal panel and printed circuit board surface diaphragm, not only saved the operation that attaches diaphragm, improved efficient, and also can reduce the probability that diaphragm comes off from liquid crystal display module surface by reducing operation.
In addition; the first diaphragm attach area 221 links to each other with join domain 223 by first roulette 231; and the second diaphragm attach area 222 links to each other with join domain 223 by second roulette 232; after attaching is finished; by the bending of join domain 223, win diaphragm attach area 221 or the second diaphragm attach area 222 can not come off easily from the border that links to each other with join domain 223.Therefore, this structure that two diaphragm attach area is connected as one by join domain, the reinforcement protection film makes it be not easy to come off from liquid crystal display module surface in the process of transportation in the tautness on liquid crystal display module surface further.
Preferably, between first roulette 231 and second roulette 232 width of join domain smaller or equal to the thickness of liquid crystal display module sidewall 204.That is, as shown in Figure 5, first roulette 231 and second roulette 232 are positioned within the plane at liquid crystal display module sidewall 204 places.
Because roulette is torn under the effect of external force easily; therefore; first roulette 231 and second roulette 232 are positioned within the plane at sidewall 204 places of liquid crystal display module; can avoid the situation that in transportation, causes first roulette 231 and second roulette 232 to be torn by external force easily, thereby guarantee the integrality of diaphragm in transportation.
Fig. 6 has disclosed the second embodiment of the present invention; because in slimming liquid crystal display module; the sidewall thickness of liquid crystal display module is very thin; as shown in Figure 6; join domain in the middle of can not having between the first diaphragm attach area 621 on liquid crystal panel 601 surfaces and the second diaphragm attach area 622 in printed circuit board surface, but only link to each other by a roulette 631.
Fig. 7 has disclosed the diaphragm structure (liquid crystal display module part is not shown) of the third embodiment of the present invention; as shown in Figure 7; be positioned at the liquid crystal panel surface the first diaphragm attach area 721 around can adopt roulette to connect design, promptly roulette 731 be distributed in the first diaphragm attach area 721 around.Wherein also be connected between the first diaphragm attach area 721 and the second diaphragm attach area 722 by the roulette 731 of a side wherein.And, be distributed in four sidewalls that the first diaphragm attach area 721 join domain that passes through 731 connections of two roulettes all around can be attached to liquid crystal panel respectively.In this embodiment, four angles of the first diaphragm attach area 721 have four breach 734, and certainly, the present invention is not limited to this, in fact, as long as at least one place in four angles of the first diaphragm attach area 721 has breach 734.Around this breach 734 makes in the diaphragm attach area 721 of winning roulette 731 surround the length in the zone that forms and position just in time with liquid crystal panel around length match.After the diaphragm attaching is finished; article two, the join domain in the middle of the roulette is positioned at the sidewall of liquid crystal panel; and roulette 731 surrounds the surface that the zone that forms is positioned at liquid crystal panel in the first diaphragm attach area 721; therefore; can effectively avoid in the first diaphragm attach area 721 perk, and then further prevent the problem that diaphragm easily comes off from liquid crystal display module surface in the process of transportation corresponding to the diaphragm periphery on liquid crystal panel surface.And; after transportation is finished, in the time of need tearing in the diaphragm the first diaphragm attach area 721 corresponding to the liquid crystal panel surface, because four jiaos have breach 734; therefore, tear along one of them place, angle at an easy rate corresponding to the first diaphragm attach area 721 on liquid crystal panel surface.
Fig. 8 has disclosed the diaphragm structure (liquid crystal display module part is not shown) of fourth embodiment of the invention; as shown in Figure 8; be positioned at the design of adopting roulette 831 to connect of the first diaphragm attach area 821 on liquid crystal panel surface all around; be roulette 831 be distributed in the first diaphragm attach area 821 around; four angles in the first diaphragm attach area 821 have four breach 834; certainly; the present invention is not limited to this; in fact, as long as at least one place in four angles of the first diaphragm attach area 821 has breach 834.With embodiment illustrated in fig. 7 different be only to adopt a roulette 831 to connect around this first diaphragm attach area 821, rather than connect by the join domain between two roulettes.Same, corresponding to the liquid crystal panel surface, the diaphragm part beyond the roulette 831 all around can be attached to four sidewalls of liquid crystal display module respectively to roulette 831 all around with interior diaphragm part.Therefore, can effectively prevent the perk of diaphragm, and then effectively prevent the problem that diaphragm easily comes off from liquid crystal display module surface in the process of transportation from the liquid crystal panel side.
The design of around the first diaphragm attach area, all adopting roulette to connect; not only can be in transportation fixing diaphragm more firmly, and can prevent that the situation of in the first diaphragm attach area of tearing the second diaphragm attach area being torn in the lump from taking place.
More than lift preferred embodiment; the purpose, technical solutions and advantages of the present invention are further described; institute is understood that; the above only is preferred embodiment of the present invention; not in order to restriction the present invention; within the spirit and principles in the present invention all, any modification of being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1, a kind of diaphragm that is used for the liquid crystal display module, wherein, the liquid crystal display module comprises liquid crystal panel and the printed circuit board (PCB) that links to each other with liquid crystal panel; It is characterized in that described diaphragm comprises:
Can be attached to the first diaphragm attach area on liquid crystal panel surface;
Can be attached to the second diaphragm attach area of printed circuit board surface;
Interconnect between the first diaphragm attach area and the second diaphragm attach area.
2, the diaphragm that is used for the liquid crystal display module as claimed in claim 1 is characterized in that, interconnects by two roulettes between the first diaphragm attach area and the second diaphragm attach area.
3, the diaphragm that is used for the liquid crystal display module as claimed in claim 2 is characterized in that, described two roulettes are parallel to each other.
4, the diaphragm that is used for the liquid crystal display module as claimed in claim 3; it is characterized in that; two roulettes of described diaphragm are corresponding to the side-walls of liquid crystal display module, and between two roulettes the width of join domain smaller or equal to the thickness of liquid crystal display module.
5, the diaphragm that is used for the liquid crystal display module as claimed in claim 1 is characterized in that, interconnects by a roulette between the first diaphragm attach area and the second diaphragm attach area.
6, the diaphragm that is used for the liquid crystal display module as claimed in claim 5 is characterized in that, the roulette of described diaphragm is corresponding to the side-walls of liquid crystal display module.
As each described diaphragm that is used for the liquid crystal display module of claim 1 to 6, it is characterized in that 7, described roulette is distributed in around the first diaphragm attach area corresponding to described liquid crystal panel surface.
8, the diaphragm that is used for the liquid crystal display module as claimed in claim 7 is characterized in that, at least one place in four angles of the first diaphragm attach area on described liquid crystal panel surface has breach.
9, the diaphragm that is used for the liquid crystal display module as claimed in claim 1 is characterized in that, the described first diaphragm attach area is a hard coating.
10, the diaphragm that is used for the liquid crystal display module as claimed in claim 1 is characterized in that, the described second diaphragm attach area is the stickiness diaphragm.
CN2009101664564A 2009-08-19 2009-08-19 Protective film for liquid crystal display module Active CN101634761B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101664564A CN101634761B (en) 2009-08-19 2009-08-19 Protective film for liquid crystal display module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101664564A CN101634761B (en) 2009-08-19 2009-08-19 Protective film for liquid crystal display module

Publications (2)

Publication Number Publication Date
CN101634761A true CN101634761A (en) 2010-01-27
CN101634761B CN101634761B (en) 2012-04-25

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Application Number Title Priority Date Filing Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103258476A (en) * 2013-02-22 2013-08-21 友达光电股份有限公司 Display module with static protection design, and optical film unit utilized by the same
CN104570420A (en) * 2014-12-31 2015-04-29 奥英光电(苏州)有限公司 Protective fixture of chip on film
CN105093591A (en) * 2015-08-28 2015-11-25 武汉华星光电技术有限公司 Protective film and using method thereof
CN106494770A (en) * 2016-10-18 2017-03-15 武汉华星光电技术有限公司 Face glass protection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103258476A (en) * 2013-02-22 2013-08-21 友达光电股份有限公司 Display module with static protection design, and optical film unit utilized by the same
CN103258476B (en) * 2013-02-22 2015-03-18 友达光电股份有限公司 Display module with static protection design, and optical film unit utilized by the same
TWI551444B (en) * 2013-02-22 2016-10-01 友達光電股份有限公司 Display module having design of static electricity protection and optical film set thereof
CN104570420A (en) * 2014-12-31 2015-04-29 奥英光电(苏州)有限公司 Protective fixture of chip on film
CN105093591A (en) * 2015-08-28 2015-11-25 武汉华星光电技术有限公司 Protective film and using method thereof
CN106494770A (en) * 2016-10-18 2017-03-15 武汉华星光电技术有限公司 Face glass protection device

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Publication number Publication date
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Address after: 215301 No. 1, Longteng Road, Kunshan, Jiangsu

Patentee after: Kunshan Longteng Au Optronics Co

Address before: 215301 No. 1, Longteng Road, Kunshan, Jiangsu

Patentee before: Kunshan Longteng Optronics Co., Ltd.

CP01 Change in the name or title of a patent holder