CN104102046B

CN104102046B - Clamp module used for liquid crystal alignment

Info

Publication number: CN104102046B
Application number: CN201310112274.5A
Authority: CN
Inventors: 邱增喜
Original assignee: CHIA SHENG TECHNOLOGY Co Ltd
Current assignee: CHIA SHENG TECHNOLOGY Co Ltd
Priority date: 2013-04-02
Filing date: 2013-04-02
Publication date: 2017-05-17
Anticipated expiration: 2033-04-02
Also published as: CN104102046A

Abstract

The invention provides a clamp module used for liquid crystal alignment; the clamp module is used for detecting an LCD (liquid crystal display) panel provided with a plurality of contact electrodes. The clamp module used for the liquid crystal alignment comprises a first clamping piece, a second clamping piece, a drive unit and a plurality of probes, wherein one side of the first clamping piece is provided with a first pad part; the second clamping piece is provided with a second pad part opposite to the first pad part; the drive unit is connected with the first clamping piece and the second clamping piece, and is capable of enabling the first clamping piece and the second clamping piece to clamp the LCD panel; each probe is provided with a contact end and a coupling end; the probes are arranged on the second clamping piece, and the touch ends are used for contacting the contact electrodes; moreover, the coupling ends are electrically connected with a control system of which the voltage can be set; by means of the structure of the clamp module, during a process that liquid crystal alignment operation is performed on the LCD panel, the deformation effect of the LCD panel can be effectively improved.

Description

For the fixture module of LCD alignment

Technical field

The present invention is related to a kind of contact module of LCD alignment, in more detail, can be used to drive liquid crystal to produce orientation The fixture module of effect.

Background technology

In recent years, with the development of networking and video signal science and technology, the application of display is more and more important and gos deep into people's Daily life.In display common at present, crt display and liquid crystal display (hereinafter referred to as LCD) are substantially divided into Two kinds, wherein, due to liquid crystal display (LCD) compared to traditional map pipe flat-surface television for, with lightweight, small volume, The advantages of full-color display, radiationless, digitisation, high image quality, power saving, and become the main flow of display of lower generation.

However, the liquid crystal used in LCD is one kind between solid and liquid and its regular property molecule is arranged The organic compound of row, liquid crystal molecule easily flows because being acted on by external force, and it has the incorgruous characteristic of similar uniaxial crystal, Be exactly the characteristics such as optical index, dielectric constant, magnetic susceptibility and the viscosity of material can with the different of direction Cha Yi ﹔ because This, by after environmental stimuli, the assortment of molecule can produce the change of directionality (LCD alignment effect) to liquid crystal molecule, and this kind of liquid crystal The technology of orientation plays important and crucial role in liquid crystal panel manufacture process, and LCD alignment is except play control liquid crystal row Row order and direction, in addition more affect visual angle, reaction speed, concern high-quality display characteristic to when color representation etc., and then Can be widely applied on the elements such as display, photoelectric cell and sensor.

Wherein, the composition of LCD, is that liquid crystal molecule material is coated two conducting glass substrates processed through orientation Between, profit and the LCD alignment technology commonly used configure line-column matrix formula electrode between two conducting glass substrates, and by contact Module imports an external voltage across liquid crystal layer to drive the liquid crystal in each picture element to produce orientation effect, refers to shown in Fig. 1, schemes The 1 enforcement view that module is contacted to commonly use, the contact module commonly used for one to be provided with multiple contact electrode 1a's LCD 1 carries out the operation of LCD alignment, and the contact module commonly used is included：Many probes 3 of the ﹔ of one pedestal 2, it has one Contact jaw 3a, those probes 3 are fixed on pedestal 2 with predetermined micro- spacing arrangement, and those contact jaws 3a is used to contact LCD 1 Contact electrode 1a, and those contact jaws 3a can be electrically connected at one can setting voltage control system 4, use high-tension current It is delivered in LCD, extra electric field orders about the ordered state of liquid crystal and changes (LCD alignment effect).

However, the contact module commonly used is in the middle of the operation of LCD alignment, its presence has the disadvantage that：Probe 3 is arranged at Single pedestal 2 is shifted up, and is touched to contact electrode 1a, because LCD 1 is with the side of monolateral stress with those contact jaws 3a Formula carries out the operation of LCD alignment, therefore, when the active force that the contact jaw 3a of probe 3 puts on contact electrode 1a is excessive, just The probability that LCD 1 is deformed can be increased, and then reduce the yield of LCD 1.

The content of the invention

In view of disadvantages mentioned above, it is an object of the invention to provide a kind of fixture module for LCD alignment, its structure Simply, it is easy to operate, by the mode of bilateral clamping, can effectively reduce when the operation of LCD alignment is carried out for LCD The probability that LCD is deformed.

For achieving the above object, the invention discloses a kind of fixture module for LCD alignment, it is used to be set for one The LCD for having multiple contact electrodes carries out LCD alignment operation, it is characterised in that this is used for the fixture module bag of LCD alignment Include：

One first folder, its side is provided with one first pad portion ﹔

One second folder, relative to the first pad portion one the 2nd pad portion ﹔ is provided with

One driver element, it is connected to first folder and second folder and enables first folder and second folder Be held on the LCD Mian Ban ﹔ and

Multiple probes, the plurality of probe has respectively a contact jaw and a connection end, those probes be respectively arranged at this Two folders, those contact end in contact those contact electrodes, those connection ends are being electrically connected to a control system.

Wherein, those probe spacing spread configurations are in the side of second folder.

Wherein, the driver element start in first folder and second folder making it have an open state and a folder Hold state.

Wherein, the driver element start is held on the LCD in first folder and second folder when clamp position Panel.

Wherein, one side free skating of the LCD is placed in into first folder and second folder when open state Between part.

Wherein, when the driver element start is in second folder, when making those probes touch those contact electrodes, this One folder also simultaneous displacement and can contact the side of the LCD.

Wherein, the driver element is a pneumatic cylinder.

Wherein, the control system has the function of setting voltage, and conveys a high-tension current through those contact electrodes To the LCD.

By above-mentioned, present invention achieves following technique effect：

1st, LCD is held on by way of the first folder and the second folder are with bilateral stress, compared to commonly using probe The single pedestal for being adopted, can offset the active force that probe is applied in LCD, and lift LCD carries out LCD alignment The stability of operation, and then reduce the probability that LCD is deformed.

2nd, by probe size size is changed, reduction carries out pin of the LCD alignment operation process middle probe for LCD Pressure, and the probability that LCD is deformed can be reduced.

3rd, the mode controlled by formula adjusts driver element start in the active force of the second folder, it is to avoid in carrying out liquid crystal The yield of LCD is affected in the operation way of orientation.

Description of the drawings

Fig. 1：Commonly use the enforcement view of contact module.

Fig. 2：For the schematic appearance of the present invention.

Fig. 3：For the schematic diagram that the present invention carries out LCD alignment in LCD.

Fig. 4：For no applied voltage when liquid crystal molecule ordered state figure.

Fig. 5：For applied voltage when liquid crystal molecule ordered state figure.

Fig. 6：For the illustrative view of the present invention.

Fig. 7：For the clamp position schematic diagram of the present invention.

Fig. 8：For the enforcement view of the present invention.

Specific embodiment

For ease of the represented central idea in the hurdle of foregoing invention content one of the explanation present invention, hereby with specific embodiment table Reach.Various different object systems are in being suitable to enumerate the ratio of explanation in embodiment, rather than the ratio in actual components is closed with to draw First chat bright.

Refer to shown in Fig. 2 and Fig. 3, Fig. 2 is the schematic appearance of the present invention, Fig. 3 is the present invention in entering for LCD The enforcement schematic diagram of row LCD alignment operation.The fixture module for LCD alignment of the present invention, it is used to be provided with many for one The LCD 10 of individual contact electrode 11 carries out the operation of LCD alignment, and the fixture module bag for LCD alignment of the present invention Include：

One first folder 20, its side is provided with one first pad portion 21.

One second folder 30, relative to the first pad portion 21 one second pad portion 31 is provided with, in the present embodiment, the first pad portion 21 and second pad portion 31 adopt rubber industry material, its main purpose is precise positioning and the folder of the first folder of buffering 20 and second Damage during the clamping LCD 10 of part 30 caused by vibrations.

One driver element 40, it is connected to the first folder 20 and the second folder 30, and in the present embodiment, driver element 40 can For a pneumatic cylinder, can start in the first folder 20 and the second folder 30 so as to an open state and a clamp position, Yu Jia When holding state, the first folder 20 and the second folder 30 can be made to be held on LCD 10.

Multiple probes 50, it has respectively a contact jaw 51 and a connection end 52, in the present invention, those spacing of probe 50 Arrangement is flexibly set in the side of the second folder 30, and the above elastic set-up mode is known technological means, and here is not Add to illustrate (not shown), wherein, those contact jaws 51 are used to contact those contact electrodes 11, and those connection ends 52 are with electrical A plurality of signal transmission line 60 is connected to, and those signal transmission lines 60 is changed into the whole row wire terminal 70 in a specific kenel of remittance, And by row wire terminal 70 be connected to one can setting voltage control system 80, thereby using control system 80 and through those contact Electrode 11 is delivered to a high-tension current in LCD 10, and extra electric field orders about the ordered state of liquid crystal and changes that (liquid crystal is matched somebody with somebody To effect), additionally, in the present embodiment, probe 50 can be the metal material of galvanized iron or copper, have high voltage withstanding height to make probe 50 Electric current and the characteristic that will not be burnt.

Refer to shown in Fig. 4 and Fig. 5, the ordered state figure of liquid crystal molecule when Fig. 4 is no applied voltage, Fig. 5 is electric to apply The ordered state figure of liquid crystal molecule during pressure, hereby to illustrate applied voltage for the impact of LCD 10, and the group of LCD 10 Into, it is liquid crystal molecule material to be coated between two conducting glass substrates 12 that orientation is processed, a liquid crystal layer 13 is formed, and Line-column matrix formula electrode is configured between two conducting glass substrates 12, and by the fixture module for LCD alignment of the present invention External voltage is imported across liquid crystal layer 13 to drive the liquid crystal in each picture element to produce orientation effect, therefore, when no applied voltage, Liquid crystal molecule can be present in liquid crystal layer 13 with irregular angle, and when applied voltage, liquid crystal molecule tends to and applies electricity Field direction is in parallel, therefore liquid crystal molecule will produce a fixed angle with conducting glass substrate 12 one by one, use control liquid crystal The ordering of molecule and direction, and then change its optics or electrical characteristic.

Refer to shown in Fig. 6~Fig. 8, Fig. 6 is the illustrative view of the present invention, Fig. 7 is that the clamp position of the present invention is illustrated Figure, Fig. 8 is the enforcement view of the present invention, before operation, first the present invention is fixedly arranged on into a board (not shown), and to drive The start of moving cell 40 is open state in the first folder 20 and the second folder 30, just can be by a side free skating of LCD 10 It is placed between the first folder 20 and the second folder 30, in the present invention, using negative pressure mode fixing liquid crystal display (LCD) panel 10 with collision free Cause to damage, now, the present invention just can voluntarily detect pan feeding state, and the start of adjust automatically driver element 40 in the first folder 20 And second folder 30 be clamp position, and the first folder 20 and the second folder 30 will be moved closer to simultaneously towards LCD 10, When the contact electrode 11 that the probe 50 of the second folder 30 touches LCD 10 carries out importing external voltage, probe 50 will Bestow the active force of LCD 10 1, and the first folder 20 also simultaneous displacement and can contact the side of LCD 10, the first folder The active force that 20 probes 50 that just can offset the second folder 30 are applied in LCD 10, and LCD 10 is lifted in carrying out liquid The stability of brilliant orientation operation, and then reduce the probability that LCD 10 is deformed.

Wherein, also can be by changing the size of probe 50 so as to reduce probe 50 in the pin pressure of LCD 10, when adopting During with undersized probe 50, the deformable amount of probe 50 will be increased, the probe 50 for coordinating elasticity to arrange, just using material Deformable amount, reduce probe 50 in the positive acting power of LCD 10, and then strengthen LCD 10 in carrying out LCD alignment The steadiness of operation, additionally, also the mode of programmable control adjusts the start of driver element 40 in the active force of the second folder 30, with The probability that LCD 10 is deformed is reduced, and the yield of LCD 10 is not affected in the operation process of LCD alignment.

In sum, the fixture module for LCD alignment of the invention, by driver element start in the first folder and Second folder is held on LCD in the way of bilateral stress, compared to the single pedestal that probe is adopted is commonly used, can offset spy The positive acting power that pin is bestowed in LCD, wherein, more coordinate and change probe size size, and controlled using formula Mode adjusts driver element start in the first folder and the clamping force of the second folder, lifts LCD and makees in LCD alignment The stability of industry, and then reduce the probability that LCD is deformed.

Although the present invention is explained with a most preferred embodiment, be skillful in this those skilled in the art can without departing from spirit of the invention with Under the scope of make the change of various multi-forms.Embodiment provided above only to illustrate the present invention, is not used to limit this Bright scope.Such as various modifications or change that present invention spirit is engaged in are not disobeyed, all belongs to scope of the present invention patent.

Claims

1. a kind of fixture module for LCD alignment, it is used to carry out liquid for the LCDs for being provided with multiple contact electrodes Brilliant orientation operation, it is characterised in that the fixture module for being used for LCD alignment is included：

One first folder, its side is provided with one first pad portion ﹔

One driver element, it is connected to first folder and second folder, and enables first folder and second folder same Step ground towards the LCD displacement, and be held on the LCD Mian Ban ﹔ and

Multiple probes, the plurality of probe has respectively a contact jaw and a connection end, and those probes are respectively arranged at second folder Part, those contact end in contact those contact electrodes, those connection ends are being electrically connected to a control system.

2. the fixture module of LCD alignment is used for as claimed in claim 1, it is characterised in that those probe spacing spread configurations In the side of second folder.

3. the as claimed in claim 1 fixture module for being used for LCD alignment, it is characterised in that the driver element start in this One folder and second folder so as to an open state and a clamp position.

4. the fixture module of LCD alignment is used for as claimed in claim 3, it is characterised in that the driving when clamp position Unit start is held on the LCD in first folder and second folder.

5. the fixture module of LCD alignment is used for as claimed in claim 3, it is characterised in that should when the open state One side free skating of LCD is placed between first folder and second folder.

6. the fixture module of LCD alignment is used for as claimed in claim 1, it is characterised in that when the driver element start is in this Second folder, when making those probes touch those contact electrodes, first folder also simultaneous displacement and can contact the LCD Side.

7. the fixture module of LCD alignment is used for as claimed in claim 1, it is characterised in that the driver element is an air pressure Cylinder.

8. the fixture module of LCD alignment is used for as claimed in claim 1, it is characterised in that the control system has setting electricity The function of pressure, and one high-tension current is delivered to into the LCD through those contact electrodes.