WO2015089931A1 - 液晶光配向设备 - Google Patents

液晶光配向设备 Download PDF

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Publication number
WO2015089931A1
WO2015089931A1 PCT/CN2014/070850 CN2014070850W WO2015089931A1 WO 2015089931 A1 WO2015089931 A1 WO 2015089931A1 CN 2014070850 W CN2014070850 W CN 2014070850W WO 2015089931 A1 WO2015089931 A1 WO 2015089931A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
alignment device
platform
opposite
optical alignment
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.)
Ceased
Application number
PCT/CN2014/070850
Other languages
English (en)
French (fr)
Inventor
刘小成
江文彬
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology 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 China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US14/777,127 priority Critical patent/US10048521B2/en
Publication of WO2015089931A1 publication Critical patent/WO2015089931A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0057—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B08B7/026—Using sound waves
    • B08B7/028—Using ultrasounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1316—Methods for cleaning the liquid crystal cells, or components thereof, during manufacture: Materials therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation

Definitions

  • the present invention relates to a liquid crystal panel manufacturing technology, and more particularly to a liquid crystal light alignment device capable of automatically cleaning a carrier platform.
  • Liquid crystal displays have many advantages such as thin body and power saving, and have been widely used.
  • Most of the liquid crystal displays on the market are backlit, including a liquid crystal panel and a backlight module.
  • the working principle of the liquid crystal panel is to place liquid crystal molecules in two parallel glass substrates, and control the liquid crystal molecules to change direction by energizing or not the glass substrate, and refract the light of the backlight module to produce a picture. Book
  • the alignment control technology of liquid crystal molecules is one of the most important basic technologies for manufacturing liquid crystal panels.
  • the picture quality displayed by the liquid crystal display is related to the quality of the liquid crystal alignment. Only when the liquid crystal material in the panel is stably and evenly arranged, a high quality picture can be obtained.
  • a thin layer generally used to orient liquid crystal molecules is called an alignment film.
  • the liquid crystal light alignment technology is generally performed by using a liquid crystal light alignment device, specifically: when a voltage is applied to the substrate, a polymer monomer added to the liquid crystal molecule is irradiated by UV light to react to form a recombination body.
  • the surface of the alignment film forms a liquid crystal pretilt angle for the purpose of liquid crystal alignment.
  • the carrier platform for carrying the glass substrate in the liquid crystal light alignment device needs to be heated to a certain temperature, generally 40 to 50 ° C.
  • a certain temperature generally 40 to 50 ° C.
  • the temperature requirements of the entire surface of the load-bearing platform are kept the same, and the error needs to be controlled at ⁇ 3.
  • foreign objects such as particles in the air or mechanical wear objects are left on the carrying platform. Once the foreign matter is large, generally larger than lmm*1mm, it may cause foreign matter in the area.
  • the temperature of the load-bearing platform is quite different from that of other locations.
  • foreign matter may also affect the reflection and refraction of UV light. The position of the foreign object may cause an abnormal alignment, resulting in product degradation or scrapping. Therefore, the operator needs manual manual cleaning, which is time consuming and laborious.
  • an embodiment of the present invention provides a liquid crystal optical alignment device for liquid crystal alignment of a liquid crystal panel, which comprises two guide rails, a bearing platform, a support assembly and a cleaning device.
  • the two rails are spaced apart from each other in parallel.
  • the carrying platform is sandwiched between the two rails and is used to carry the liquid crystal panel.
  • the support assembly is slidably mounted on the two guide rails.
  • the support assembly includes a support rod, two support arms extending perpendicularly from opposite ends of the support rod, and two sliders fixedly coupled to the two support arms.
  • the support rod spans the carrying platform, and the two sliders are slidably mounted in the two guide rails.
  • the cleaning device is mounted on the support assembly and opposite the load platform and is used to remove foreign matter on the load platform.
  • Each of the guide rails is a frame structure and includes an inner side surface on which the 1HJ slot is opened.
  • the two recesses of the two guide rails are oppositely disposed, and opposite sides of the load bearing platform are engaged in the two recesses.
  • the liquid crystal optical alignment device further comprises two driving components corresponding to the two sliders and the two rails, each driving component comprises a driving motor and a driving screw, and the driving motor is fixed on the corresponding rail
  • the driving screw is located in the corresponding rail and one end thereof is connected to the driving motor, and the other end is rotatably mounted on the other end of the corresponding rail, and the driving screw passes through the corresponding slider and The corresponding slider is threaded.
  • Each of the guide rails further includes a top surface and a bottom surface that are parallel to each other.
  • the inner side surface vertically connects the top surface and the bottom surface, and each of the sliding rails has a guiding hole penetrating through the top surface and the bottom surface, and each of the sliding blocks is
  • the T-shape includes a connecting portion and a mounting portion extending perpendicularly to the connecting portion.
  • the connecting portion is carried on the top surface, and the mounting portion is slidably mounted in the guiding hole.
  • each of the sliders is provided with a threaded hole, and each of the driving screws passes through a corresponding slider and is screwed with the threaded hole in the corresponding slider.
  • the support assembly further comprises a plurality of adjusting screws, one end of each adjusting screw is screwed with the supporting rod, and the other end of each adjusting screw is fixedly connected with the cleaning device.
  • the cleaning device is a brush
  • the brush is height-mounted on the support rod by the plurality of adjusting screws and is opposite to the supporting platform.
  • the brush is made of a wear-resistant material, and the brush has a filament diameter of 0.5 mm or less.
  • the brush is made of an antistatic material.
  • the liquid crystal optical alignment device further includes a static eliminating device, and the static eliminating device is fixed on the support rod opposite to the supporting platform.
  • the support rod comprises upper and lower surfaces parallel to each other, the lower surface and the bearing surface
  • the brush can be height-mounted on the lower surface by the plurality of adjusting screws, and the static eliminating device is fixed on the upper surface.
  • the liquid crystal light alignment device further includes a plurality of ultraviolet light sources fixed on the lower surface and facing the bearing surface, the plurality of ultraviolet light sources being used for liquid crystals carried on the bearing surface
  • the panel emits ultraviolet light.
  • the liquid crystal light alignment device further includes an illuminance measuring device fixed on the upper surface and facing the bearing surface, the illuminance measuring device for measuring the illuminance of the light emitted by the plurality of ultraviolet light sources.
  • the cleaning device comprises a pressure portion, two vacuum portions located on two sides of the pressure portion, and two ultrasonic generators respectively located in the pressure portion, the opening of the pressure portion and the openings of the two vacuum portions and the bearing
  • the platform is spaced apart, the pressure portion is configured to send airflow toward the carrier platform, and the two ultrasonic generators are configured to generate vibration to agitate foreign matter attached to the bearing platform, and the two vacuum portions are configured to receive the loading platform foreign matter.
  • the support rod comprises an upper surface and a lower surface opposite to each other, the lower surface is opposite to the bearing surface, and the cleaning device is height-adjustably mounted on the lower surface by the plurality of adjusting screws, the liquid crystal light alignment
  • the apparatus also includes a static eliminating device that is secured to the upper surface and opposite the load bearing platform.
  • the liquid crystal light alignment device further includes a plurality of ultraviolet light sources fixed on the lower surface and facing the bearing surface, the plurality of ultraviolet light sources being used for liquid crystals carried on the bearing surface
  • the panel emits ultraviolet light.
  • the liquid crystal light alignment device further includes an illuminance measuring device fixed on the upper surface and facing the bearing surface, the illuminance measuring device for measuring the illuminance of the light emitted by the plurality of ultraviolet light sources.
  • the cleaning device comprises a vacuum portion, two pressure portions located on two sides of the vacuum portion, and two ultrasonic generators respectively located in the two pressure portions, the openings of the two pressure portions and the openings of the vacuum portions are
  • the loading platforms are spaced apart, the two pressure portions are configured to send airflow toward the loading platform, the two ultrasonic generators are configured to generate vibration to agitate foreign matter attached to the loading platform, and the vacuum portion is configured to receive the loading platform Foreign objects on it.
  • the support rod comprises an upper surface and a lower surface opposite to each other, the lower surface is opposite to the bearing surface, and the cleaning device is height-mounted on the lower surface by the plurality of adjusting screws, the liquid
  • the crystal light alignment device further includes a static eliminating device that is fixed on the upper surface and opposite to the load bearing platform.
  • the liquid crystal light alignment device further includes a plurality of ultraviolet light sources and an illuminance measuring device, wherein the plurality of ultraviolet light sources are fixed on the lower surface and face the bearing surface, and the plurality of ultraviolet light sources are used to be carried on the bearing
  • the liquid crystal panel on the surface emits ultraviolet light
  • the illuminance measuring device is fixed on the upper surface and faces the bearing surface, and the illuminance measuring device is configured to measure the illuminance of the light emitted by the plurality of ultraviolet light sources.
  • the liquid crystal optical alignment device provided by the present invention achieves the purpose of removing foreign matter on the bearing surface by providing a cleaning device opposite to the bearing surface, and moving the cleaning device by moving the support frame, thereby achieving the purpose of removing foreign matter on the bearing surface, Moving back and forth is done through the drive components, avoiding manual manual operation, saving time and effort.
  • FIG. 1 is a partial cross-sectional view showing a liquid crystal light alignment device according to a first embodiment of the present invention.
  • FIG. 2 is a schematic view showing the working principle of the liquid crystal light alignment device of FIG. 1.
  • Figure 3 is a cross-sectional view showing a cleaning device in a liquid crystal light alignment device according to a second embodiment of the present invention.
  • Figure 4 is a cross-sectional view showing a cleaning device in a liquid crystal light alignment device according to a third embodiment of the present invention. Specific embodiment
  • a liquid crystal optical alignment device 100 includes two guide rails. 10.
  • the liquid crystal light alignment device 100 is configured to perform liquid crystal alignment on a liquid crystal panel (not shown).
  • each of the guide rails 10 are spaced apart from each other in parallel, each of the guide rails 10 is a rectangular frame body and includes a top surface 12, a bottom surface 14, an outer side surface 16, and an inner side surface 18.
  • the top surface 12 and the bottom surface 14 are respectively located on opposite sides of the guide rail 10, and the top surface 12 is parallel to the bottom surface 14.
  • the outer side surface 16 and the inner side surface 18 are respectively located on opposite sides of the guide rail 10, and the outer side surface 16 is parallel to the inner side surface 18.
  • the outer side surface 16 vertically connects the top surface 12 and the bottom surface 14, and the inner side surface 18 also vertically connects the top surface 12 and the bottom surface 14.
  • Each of the guide rails 10 defines a guide hole 17 extending through the top surface 12 and the bottom surface 14.
  • the inner side 18 is provided with an elongated groove 19 therein.
  • the two inner sides 18 of the two guide rails 10 are opposite, i.e., the two recesses 19 of the two guide rails 10 are opposite.
  • the carrying platform 20 is sandwiched between the two guide rails 10. Specifically, the carrying platform 20 is respectively engaged with the two grooves 19 on opposite sides.
  • the carrying platform 20 is configured to carry a liquid crystal panel (not shown) that needs to be aligned with the liquid crystal, and the carrying platform 20 includes a carrying surface 22.
  • the support assembly 30 includes a support bar 32, two support arms 34, two sliders 36, and three adjustment screws 38.
  • the support bar 32 spans the load platform 20, and the support bar 32 includes an upper surface 322 and a lower surface 324 that are parallel to each other. The lower surface 324 is opposite the 7-plane 22 .
  • the two support arms 34 extend perpendicularly from opposite ends of the support bar 32.
  • the two sliders 36 correspond to the two support arms 34 and the two guide rails 10.
  • Each slider 36 is T-shaped and includes a connecting portion 362 and a mounting portion 364 extending perpendicularly to the connecting portion 362.
  • the connecting portion 362 is carried on the top surface 12.
  • the mounting portion 364 is slidably mounted in the guide hole 17 of the corresponding rail 10 and is provided with a threaded hole 366.
  • An end of each of the support arms 34 remote from the support rod 32 is fixedly coupled to the connecting portion 362 of the corresponding slider 36.
  • One end of each of the adjusting screws 38 is screwed to the lower surface 324 of the support rod 32.
  • the two drive assemblies 40 correspond to the two guide rails 10 and the two sliders 36.
  • Each drive assembly 40 includes a drive motor 42 and a drive screw 44.
  • the drive motor 42 is fixed to the outer surface of one end of the corresponding rail 10.
  • the drive screw 44 is located in the corresponding guide rail 10 and has one end connected to the drive motor 42 and the other end rotatably mounted on the other end of the corresponding guide rail 10.
  • the drive screw 44 passes through the corresponding slider 36 and The threaded holes 366 in the corresponding sliders 36 are mated.
  • the plurality of ultraviolet light sources 50 are fixed on the lower surface 324 and opposed to the bearing surface 22.
  • the plurality of ultraviolet light sources 50 are arranged in parallel with each other.
  • the plurality of ultraviolet light sources 50 are used to be carried on the bearing surface 22
  • the liquid crystal panel emits ultraviolet light.
  • the illuminance measuring device 60 is fixed to the upper surface 322 and opposed to the bearing surface 22.
  • the illuminance measuring device 60 is for measuring the illuminance of the light emitted by the plurality of ultraviolet light sources 50.
  • the cleaning device 70 is a brush, and one end of the brush 70 is fixedly coupled to the other end of the adjusting screw 38, and the other end of the brush 70 is opposite to the bearing surface 22. That is, the brush 70 can be height-mounted on the support bar 32 by the three adjustment screws 38.
  • the brush 70 is made of a wear resistant material, and the brush wire has a diameter of 0.5 mm or less.
  • the static eliminating device 72 is fixed to the upper surface 322 and spaced apart from the illuminance measuring device 60.
  • the static eliminating device 72 is opposed to the bearing surface 22 and is used to blow positive and negative ion winds in the direction of the bearing surface 22 to eliminate static electricity on the brush 70 and the bearing surface 22.
  • the brush 70 In the initial state, the brush 70 is not in contact with the bearing surface 22 with a gap therebetween.
  • the liquid crystal optical alignment device 100 needs to clean the bearing surface 22 before performing liquid crystal alignment on the liquid crystal panel carried on the carrying surface 22. Referring to FIG. 1 and FIG. 2, it is necessary to remove the bearing surface 22 such as air. Foreign matter such as particles or mechanical wear.
  • the specific steps are as follows: First, the distance between the brush 70 and the bearing surface 22 is adjusted by adjusting the screwing depth of the adjusting screw 38 and the lower surface 324 of the support rod 32 until the brush 70 and the bearing surface 22 Fully in contact.
  • the two driving motors 42 simultaneously drive the two driving screws 44 to rotate, because the driving screw 44 is engaged with the threaded holes 366, and the two guiding rails 10 limit the two sliding blocks 36, the driving screw 44 Rotation causes the two sliders 36 to move only along the two guide rails 10, thereby causing the brush 70 fixedly coupled to the support bar 32 to also move along the guide rail 10.
  • the brush 70 can completely remove the foreign matter 200 on the bearing surface 22 in contact with it during the moving process.
  • the static eliminating device 72 opens and blows positive and negative ion winds, and the positive and negative ion winds neutralize the positive and negative ions on the brush 70 and the bearing surface 22 to eliminate the brush 70 and the bearing.
  • the purpose of static electricity on the face 22 is a stator 42 to rotate, because the driving screw 44 is engaged with the threaded holes 366, and the two guiding rails 10 limit the two sliding blocks 36, the driving screw 44 Rotation causes the two sliders 36 to move only along the two guide rails 10, thereby causing the brush 70 fixedly
  • the direction of movement of the brush 70 depends on the steering of the drive motor 42, and the steering of the drive motor 42 depends on the direction in which the current is supplied. For example: when the drive motor 42 is forwardly rotated by a current in one direction, the drive screw 44 is also rotated forward, and the slider 36 is moved along the guide rail 10 in a direction approaching the drive motor 42; when the drive motor 42 The current is reversed by a current in the opposite direction, and the drive screw 4 is also inverted 44. The slider 36 is moved along the guide rail 10 in a direction away from the drive motor 42. Typically, the brush 70 will move back and forth to achieve the purpose of removing the foreign object 200.
  • the brush is adjusted by adjusting the screwing depth of the adjusting screw 38 and the lower surface 324 of the support rod 32.
  • the distance between the 70 and the bearing surface 22 is such that the brush 70 is not in contact with the bearing surface 22, that is, the brush 70 is returned to the initial position by adjusting the adjusting screw 38.
  • the liquid crystal panel can be placed to The liquid crystal alignment operation is performed on the bearing surface 22.
  • the liquid crystal optical alignment device 100 fixes the cleaning device 70 (ie, the brush) by the support frame 32 that fixes the illuminance measuring device 60, and brings the cleaning device 70 into contact with the bearing surface 22, and moves the support frame by moving the support frame.
  • the cleaning device 70 i.e., the brush
  • the cleaning device 70 is also moved by 32 to achieve the purpose of removing the foreign matter 200 on the bearing surface 22. Since the back and forth movement of the cleaning device 70 is accomplished by the drive assembly 40, manual manual operation is avoided, saving time and effort.
  • the number of the adjusting screws 38 is not limited to three in the embodiment, and may be at least two, such as two, four, five, and the like.
  • the brush 70 can be made of a wear-resistant and anti-static material. In this case, the static eliminating device 72 can be omitted, which simplifies the structure and saves costs.
  • the liquid crystal optical alignment device 300 in the second embodiment of the present invention has substantially the same structure as the liquid crystal optical alignment device 100 in the first embodiment, except that the cleaning device 80 is not For the brush.
  • the cleaning device 80 includes a pressure portion 82, two vacuum portions 84 located on both sides of the pressure portion, and two ultrasonic generators 86 located in the pressure portion 82.
  • the pressure portion 82 includes a pressure chamber 822 and a blower 824 located outside the pressure chamber 822.
  • Each vacuum portion 84 includes a vacuum chamber 842 and a vacuum pump 844 located outside of the vacuum chamber 842.
  • the two vacuum chambers 842 are respectively connected to the two sides of the pressure chamber 822 and separated by the pressure chamber 822.
  • the two vacuum chambers 842 and the pressure chamber 822 form a rectangular cavity.
  • a first through hole 826 is defined in one end of the pressure chamber 822 adjacent to the support frame (not shown), and a first opening 828 is defined in an end of the pressure chamber 822 adjacent to the bearing surface 22.
  • a second through hole 846 is defined in a side of each of the vacuum chambers 842 opposite to the pressure chamber 822.
  • a second opening 848 is defined in an end of each of the vacuum chambers 842 adjacent to the bearing surface 22.
  • the first opening 828 and the second opening 848 are both spaced apart from the bearing surface 22.
  • the blower 824 communicates with the pressure chamber 82 through the first through hole 826, and each vacuum pump 844 communicates with a corresponding vacuum chamber 842 through a corresponding second through hole 846.
  • the airflow blown by the blower 824 toward the pressure chamber 822 passes through the first opening 828 to the bearing surface 22.
  • Each of the vacuum pumps 844 draws the gas in the corresponding vacuum chamber 842 through the corresponding second through holes 846 to form an interior of the corresponding vacuum chamber 842 to form an environment similar to a vacuum.
  • the two ultrasonic generators 86 are placed in the pressure chamber 822 near the first opening 828 for generating vibration to excite the foreign matter 200 on the bearing surface 22.
  • each vacuum pump 844 draws the gas in the corresponding vacuum chamber 842 through the corresponding second through hole 846 to make the interior of the corresponding vacuum chamber 842 form a vacuum. environment of.
  • the two ultrasonic generators 86 and the blower 824 are both turned on, that is, the two ultrasonic generators 86 generate vibration to arouse the foreign matter 200 attached to the bearing surface 22, and the blower 824 faces due to the difference in air pressure.
  • the airflow blown by the pressure chamber 822 passes through the first opening 828, the excited foreign object 200 is blown into the corresponding vacuum chamber 842, and the foreign matter 200 is received by the two vacuum chambers 842, thereby completing the flow. Cleaning of the foreign object 200 on the bearing surface 22.
  • the principle of the movement of the cleaning device 80 in the present embodiment is the same as that of the cleaning device 70 in the first embodiment, and will not be described herein.
  • the cleaning device 80 in this embodiment can achieve not only the same efficiency as the cleaning device 70 in the first embodiment, but also the cleaning device 80 in the present embodiment has a better cleaning effect and can remove foreign matter of 1.6 ⁇ m or more. There is no need to contact the bearing surface 22, and there is no damage to the bearing platform 20.
  • the liquid crystal optical alignment device 400 in the third embodiment of the present invention has substantially the same structure as the liquid crystal optical alignment device 100 in the first embodiment, except that the cleaning device 90 is not For the brush.
  • the cleaning device 90 includes a vacuum portion 92, two pressure portions 94 located on both sides of the vacuum portion 92, and two ultrasonic generators 96 respectively located in the pressure portion 94.
  • the vacuum portion 92 includes a vacuum chamber 922 and a vacuum pump 924 located outside of the vacuum chamber 922.
  • Each pressure portion 94 includes a pressure chamber 942 and a blower 944 located outside of the pressure chamber 942.
  • the two pressure chambers 942 are respectively connected to the two sides of the vacuum chamber 922 and separated by the vacuum chamber 922.
  • the two pressure chambers 942 and the vacuum chamber 922 form a rectangular cavity.
  • a first through hole 926 is defined in one end of the vacuum chamber 922 adjacent to the support frame (not shown), and a first opening 928 is defined in an end of the vacuum cavity 922 adjacent to the bearing surface 22.
  • a second through hole 946 is defined in a side of each of the pressure chambers 942 opposite to the vacuum chamber 922, and a second opening 948 is defined in an end of each of the pressure chambers 942 adjacent to the bearing surface 22.
  • the first opening 928 and the second opening 948 are both spaced apart from the bearing surface 22.
  • the vacuum pump 924 communicates with the vacuum chamber 922 through the first through hole 926, and each blower 944 communicates with a corresponding pressure chamber 942 through a corresponding second through hole 946.
  • the vacuum pump 924 draws the gas in the vacuum chamber 922 through the first through hole 926 to make the vacuum
  • the interior of the cavity 922 forms an environment similar to a vacuum, and the airflow blown by the blower 944 toward the corresponding pressure cavity 942 passes through the corresponding second opening 948 to the bearing surface 22.
  • the two ultrasonic generators 96 are placed in the pressure chamber 942 near the second opening 948 for generating vibration to excite the foreign matter 200 on the bearing surface 22.
  • the vacuum pump 924 draws the gas in the vacuum chamber 922 through the first through hole 926 to form an atmosphere similar to a vacuum inside the vacuum chamber 922.
  • the two ultrasonic generators 96 and the two blowers 944 are both turned on, that is, the two ultrasonic generators 96 generate vibration to arouse the foreign matter 200 attached to the bearing surface 22, due to the difference in air pressure, the blower
  • the airflow blown by the 944 toward the corresponding pressure chamber 942 passes through the second opening 948, and the foreign matter 200 that is excited is blown into the vacuum chamber 922, and the foreign matter 200 is received by the vacuum chamber 922, thereby completing the load. Cleaning of the foreign object 200 on the face 22.
  • the principle of the movement of the cleaning device 90 in the present embodiment is the same as that of the cleaning device 70 in the first embodiment, and will not be described herein.
  • the cleaning device 90 in this embodiment can achieve not only the same efficiency as the cleaning device 70 in the first embodiment, but also the cleaning device 90 in the embodiment has a better cleaning effect, and can remove foreign matter of more than 3 ⁇ m, and There is no need to contact the bearing surface 22, and there is no damage to the bearing platform 20.

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Abstract

一种用于对液晶面板进行液晶配向的液晶光配向设备（100），包括两个导轨（10）、承载平台（20）、支撑组件（30）及清洁装置（70）。其中两个导轨（10）彼此平行间隔，承载平台（20）夹设在两个导轨（10）之间，用于承载液晶面板，支撑组件（30）滑动装设在两个导轨（10）上并横跨承载平台（20），清洁装置（70）安装在支撑组件（30）上并与承载平台（20）相对，用于清除承载平台（20）上的异物。

Description

液晶光配向设备
技术领域
本发明涉及液晶面板制造技术， 尤其涉及一种能够对承载平台进行自动清 洁的液晶光配向设备。 背景技术 说
液晶显示器 (Liquid Crystal Display, LCD)具有机身薄、 省电等众多优点， 得 到了广泛的应用。 现有市场上的液晶显示器大部分为背光型， 其包括液晶面板 及背光模组 (backlight module)。液晶面板的工作原理是在两片平行的玻璃基板当 中放置液晶分子， 通过玻璃基板通电与否来控制液晶分子改变方向， 将背光模 组的光线折射出来产生画面。 书
液晶分子的配向控制技术是制造液晶面板最重要的基本技术之一。 液晶显 示器所显示的画面质量与液晶配向的优劣有关， 只有使面板内的液晶材料呈稳 定且均匀的排列， 才能呈高质量的画面。 一般用来使液晶分子定向排列的薄层 称为配向膜。 液晶光配向技术通常是釆用液晶光配向设备来完成的， 具体为： 给基板施加电压的情况下，通过 UV光照射加入液晶分子内的聚合单体 (monomer) 使其反应形成重合体以在配向膜的表面形成液晶预倾角而达到液晶配向的目 的。 为了加快聚合单体反应， 液晶光配向设备中用于承载玻璃基板的承载平台 需要加热到一定的温度， 一般为 40〜50° C。 为了保证液晶分子在 UV光照射下 能形成特定的配向角而不产生瑕疵， 承载平台的整个表面的温度要求保持一致， 误差需要控制在 ± 3。 C以内。 然而， 玻璃基板在放置到承载平台上的过程中将 诸如空气中的微粒或者机构磨损物等异物遗落在承载平台上， 一旦异物面积较 大， 一般大于 lmm* lmm即有可能造成异物区域内承载平台温度相对其它位置 的温度差异较大， 另外异物也会对 UV 光反射及折射造成影响， 在异物区域的 位置会造成配向异常， 从而造成产品降低或者报废。 因此需要操作人员定时手 动清洁， 费时费力。
因此， 有必要提供能够解决上述问题的液晶光配向设备。 发明内容 为了解决上述技术问题， 本发明实施例提供一种用于对液晶面板进行液晶 配向的液晶光配向设备， 包括两个导轨、 承载平台、 支撑组件及清洁装置。 该 两个导轨彼此平行间隔。 该承载平台夹设在该两个导轨之间， 并用于承载该液 晶面板。 该支撑组件滑动装设在该两个导轨上， 该支撑组件包括支撑杆、 自该 支撑杆相对两端垂直延伸的两个支撑臂以及与该两个支撑臂分别固定连接的两 个滑块。 该支撑杆横跨该承载平台， 该两个滑块能够滑动地装设在该两个导轨 内。 该清洁装置安装在该支撑组件上并与该承载平台相对， 并用于清除该承载 平台上的异物。
其中， 每个导轨均为框体结构并包括开设有 1HJ槽的内侧面， 该两个导轨的 两个凹槽相对设置， 该承载平台相对的两侧卡合在该两个凹槽内。
其中， 该液晶光配向设备还包括与该两个滑块及该两个导轨均对应的两个 驱动组件， 每个驱动组件包括一个驱动马达及一个传动螺杆， 该驱动马达固设 在对应的导轨的一端的外表面上， 该传动螺杆位于对应的导轨内且其一端与该 驱动马达连接， 另一端能够转动地装设在对应的导轨的另一端， 该传动螺杆穿 过对应的滑块并与该对应的滑块螺纹配合。
其中， 每个导轨还包括平行相背的顶面及底面， 该内侧面垂直连接该顶面 及该底面， 每个滑轨开设有贯穿该顶面及该底面的导孔， 每个滑块呈 T形并包 括连接部及垂直该连接部延伸的安装部， 该连接部承载在该顶面上， 该安装部 能够滑动地装设在该导孔内。
其中， 每个滑块的安装部均开设有螺纹孔， 每个传动螺杆穿过对应的滑块 并与该对应的滑块中的螺纹孔螺合。
其中， 该支撑组件还包括多个调节螺杆， 每个调节螺杆的一端与该支撑杆 螺合， 每个调节螺杆的另一端与该清洁装置固定连接。
其中， 该清洁装置为毛刷， 该毛刷通过该多个调节螺杆能够调整高度地装 设在该支撑杆上并与该承载平台正对。
其中， 该毛刷由耐磨材料制成， 该毛刷的毛刷丝直径小于等于 0.5毫米。 其中， 该毛刷由防静电材料制成。
其中， 该液晶光配向设备还包括除静电装置， 该除静电装置固设在该支撑 杆上与该承载平台相对。
其中， 该支撑杆包括平行相背的上表面及下表面， 该下表面与该承载面相 对， 该毛刷通过该多个调节螺杆能够调整高度地装设在该下表面上， 该除静电 装置固设在该上表面上。
其中， 该液晶光配向设备还包括多个紫外光源， 该多个紫外光源固设在该 下表面上并与该承载面面对， 该多个紫外光源用于朝承载在该承载面上的液晶 面板发出紫外光线。
其中， 该液晶光配向设备还包括照度测量装置， 该照度测量装置固设在该 上表面上并与该承载面面对， 该照度测量装置用于测量该多个紫外光源发出的 光线的照度。
其中， 该清洁装置包括压力部、 位于该压力部两侧的两个真空部及分别位 于该压力部内的两个超声波发生器， 该压力部的开口及该两个真空部的开口均 与该承载平台间隔相对， 该压力部用于朝该承载平台送出气流， 该两个超声波 发生器用于产生振动以激起附着在该承载平台上的异物， 该两个真空部用于收 纳该承载平台上的异物。
其中， 该支撑杆包括平行相背的上表面及下表面， 该下表面与该承载面相 对， 该清洁装置通过该多个调节螺杆能够调整高度地装设在该下表面上， 该液 晶光配向设备还包括除静电装置， 该除静电装置固设在该上表面上并与该承载 平台相对。
其中， 该液晶光配向设备还包括多个紫外光源， 该多个紫外光源固设在该 下表面上并与该承载面面对， 该多个紫外光源用于朝承载在该承载面上的液晶 面板发出紫外光线。
其中， 该液晶光配向设备还包括照度测量装置， 该照度测量装置固设在该 上表面上并与该承载面面对， 该照度测量装置用于测量该多个紫外光源发出的 光线的照度。
其中， 该清洁装置包括真空部、 位于该真空部两侧的两个压力部及分别位 于该两个压力部内的两个超声波发生器， 该两个压力部的开口及该真空部的开 口均与该 载平台间隔相对， 该两个压力部用于朝该 载平台送出气流， 该两 个超声波发生器用于产生振动以激起附着在该承载平台上的异物， 该真空部用 于收纳该承载平台上的异物。
其中， 该支撑杆包括平行相背的上表面及下表面， 该下表面与该承载面相 对， 该清洁装置通过该多个调节螺杆能够调整高度地装设在该下表面上， 该液 晶光配向设备还包括除静电装置， 该除静电装置固设在该上表面上并与该承载 平台相对。
其中， 该液晶光配向设备还包括多个紫外光源及照度测量装置， 该多个紫 外光源固设在该下表面上并与该承载面面对， 该多个紫外光源用于朝承载在该 承载面上的液晶面板发出紫外光线， 该照度测量装置固设在该上表面上并与该 承载面面对， 该照度测量装置用于测量该多个紫外光源发出的光线的照度。
本发明所提供的液晶光配向设备通过设置与该承载面相对的清洁装置， 及 通过移动该支撑架带动该清洁装置也移动， 从而实现清除该承载面上的异物的 目的， 由于该清洁装置的来回移动是通过驱动组件完成的， 避免人工手动操作， 省时省力。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实施 例或现有技术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描述 中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付 出创造性劳动性的前提下， 还可以根据这些附图获得其他的附图。
图 1是本发明第一实施例提供的液晶光配向设备的部分剖面示意图。
图 2是图 1中的液晶光配向设备的工作原理示意图。
图 3是本发明第二实施例提供的液晶光配向设备中的清洁装置的剖面示意 图。
图 4是本发明第三实施例提供的液晶光配向设备中的清洁装置的剖面示意 图。 具体实施例
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清 楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是 全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创造 性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
实施例一
请参阅图 1 , 本发明第一实施例提供的液晶光配向设备 100 包括两个导轨 10、 一个承载平台 20、 一个支撑组件 30、 两个驱动组件 40、 多个紫外光源 50、 一个照度测量装置 60、 一个清洁装置 70以及一个除静电装置 72。 该液晶光配 向设备 100用于对液晶面板 (图未示)进行液晶配向。
该两个导轨 10彼此平行间隔设置， 每个导轨 10均为长方形的框体并包括 一个顶面 12、 一个底面 14、 一个外侧面 16及一个内侧面 18。 该顶面 12与该底 面 14分别位于该导轨 10相背的两侧， 且该顶面 12与该底面 14平行。 该外侧 面 16与该内侧面 18分别位于该导轨 10相背的两侧， 且该外侧面 16与该内侧 面 18平行。 该外侧面 16垂直连接该顶面 12及该底面 14, 该内侧面 18也垂直 连接该顶面 12及该底面 14。每个导轨 10均开设有一个贯穿该顶面 12及该底面 14的导孔 17。 该内侧面 18开设有一个长条形的凹槽 19。 该两个导轨 10的两个 内侧面 18相对， 即， 该两个导轨 10的两个凹槽 19相对。
该承载平台 20夹设在该两个导轨 10之间。 具体地， 该承载平台 20相对两 侧分别卡合在该两个凹槽 19内。 本实施例中， 该承载平台 20用于承载需要进 行液晶配向的液晶面板 (图未示）， 该承载平台 20包括一个承载面 22。
该支撑组件 30包括一个支撑杆 32、 两个支撑臂 34、 两个滑块 36以及三个 调节螺杆 38。 该支撑杆 32横跨该承载平台 20, 该支撑杆 32包括平行相背的上 表面 322及下表面 324。 该下表面 324与该 7 载面 22相对。 该两个支撑臂 34自 该支撑杆 32相对的两端垂直延伸。 该两个滑块 36与该两个支撑臂 34及该两个 导轨 10均对应。 每个滑块 36均呈 T形， 其包括一个连接部 362及垂直该连接 部 362延伸的一个安装部 364。该连接部 362承载在该顶面 12上。该安装部 364 能够滑动地装设在对应的导轨 10的导孔 17内并开设有一个螺纹孔 366。每个支 撑臂 34的远离该支撑杆 32的一端与对应的滑块 36的连接部 362固定连接。 每 个调整螺杆 38的一端与该支撑杆 32的下表面 324螺合。
该两个驱动组件 40与该两个导轨 10及该两个滑块 36均对应。 每个驱动组 件 40包括一个驱动马达 42及一个传动螺杆 44。该驱动马达 42固设在对应的导 轨 10的一端的外表面上。 该传动螺杆 44位于对应的导轨 10内且其一端与该驱 动马达 42连接， 另一端能够转动地装设在对应的导轨 10的另一端， 该传动螺 44穿过对应的滑块 36并与该对应的滑块 36中的螺纹孔 366配合。
该多个紫外光源 50固设在该下表面 324上并与该承载面 22相对。 该多个 紫外光源 50彼此平行排列。 该多个紫外光源 50用于朝承载在该承载面 22上的 液晶面板发出紫外光线。
该照度测量装置 60固设在该上表面 322上并与该承载面 22相对。 该照度 测量装置 60用于测量该多个紫外光源 50发出的光线的照度。
该清洁装置 70为毛刷， 该毛刷 70的一端与该调整螺杆 38的另一端固定连 接， 该毛刷 70的另一端与该承载面 22正对。 即， 该毛刷 70通过该三个调整螺 杆 38能够调整高度地装设在该支撑杆 32上。 本实施例中， 该毛刷 70由耐磨材 料制成， 该毛刷 70的毛刷丝直径小于等于 0.5毫米。
该除静电装置 72固设在该上表面 322上并与该照度测量装置 60间隔。 该 除静电装置 72与该承载面 22相对并用于朝该承载面 22的方向吹出正负离子风 以消除该毛刷 70及该承载面 22上的静电。
初始状态下， 该毛刷 70与该承载面 22不接触， 二者之间有间隔。 该液晶 光配向设备 100在对承载在该承载面 22上的液晶面板进行液晶配向之前先要对 该承载面 22进行清洁，请结合图 1及图 2, 即需要去除该承载面 22上诸如空气 中的微粒或者机构磨损物等异物 200。 具体步骤如下： 首先， 通过调整该调整螺 杆 38与该支撑杆 32的下表面 324的螺合深度来调整该毛刷 70与该承载面 22 之间的距离直至该毛刷 70与该承载面 22完全接触。 然后， 该两个驱动马达 42 同时驱动该两个传动螺杆 44转动， 由于传动螺杆 44与螺纹孔 366配合， 且该 两个导轨 10对该两个滑块 36的限位， 则传动螺杆 44的转动使该两个滑块 36 只沿着该两个导轨 10移动， 从而带动与该支撑杆 32固定连接的毛刷 70也沿着 该导轨 10移动。毛刷 70在移动的过程便可将与之接触的承载面 22上的异物 200 全部清除。 在毛刷 70移动过程中， 该除静电装置 72开启并吹出正负离子风， 该正负离子风与该毛刷 70及该承载面 22上的正负离子中和而实现消除该毛刷 70及该承载面 22上的静电的目的。
毛刷 70的移动方向取决于该驱动马达 42的转向， 而该驱动马达 42的转向 取决于通给其电流的方向。例如： 当该驱动马达 42通上一个方向的电流而正转， 该传动螺杆 44也正转， 该滑块 36则沿着该导轨 10朝接近该驱动马达 42的方 向移动； 当该驱动马达 42通上一个相反方向的电流而反转， 该传动螺 4干 44也 反转， 该滑块 36则沿着该导轨 10朝远离该驱动马达 42的方向移动。 通常该毛 刷 70会来回移动以达到清除该异物 200的目的。 当该异物 200被清除完全后， 通过调整该调整螺杆 38与该支撑杆 32的下表面 324的螺合深度来调整该毛刷 70与该承载面 22之间的距离直至该毛刷 70与该承载面 22不接触，即通过调整 该调整螺杆 38使该毛刷 70回复到初始位置， 此时， 便可以置入液晶面板至该 承载面 22上进行液晶配向操作。
本实施例提供的液晶光配向设备 100利用固定该照度测量装置 60的支撑架 32固定该清洁装置 70(即毛刷)及使该清洁装置 70与该承载面 22接触， 并通过 移动该支撑架 32带动该清洁装置 70(即毛刷)也移动，从而实现清除该承载面 22 上的异物 200的目的。 由于该清洁装置 70的来回移动是通过驱动组件 40完成 的， 避免人工手动操作， 省时省力。
可以理解， 该调节螺杆 38的个数并不局限于本实施例中的三个， 可以是至 少两个， 如两个， 四个、 五个等。 在其他实施例中， 该毛刷 70可选用耐磨且防 静电的材料制成， 此时， 该除静电装置 72便可省略， 如此更能简化结构， 节省 成本。
第二实施例
请一并参阅图 1及图 3 ,本发明第二实施例中的液晶光配向设备 300与第一 实施例中的液晶光配向设备 100 的结构基本相同， 不同之处仅仅在于该清洁装 置 80并非为毛刷。 具体地， 该清洁装置 80包括一个压力部 82、 位于该压力部 两侧的两个真空部 84及位于该压力部 82内的两个超声波发生器 86。
该压力部 82包括一个压力腔体 822及一个位于该压力腔体 822外部的鼓风 机 824。 每个真空部 84包括一个真空腔体 842及一个位于该真空腔体 842外部 的真空泵 844。该两个真空腔体 842分别相接在该压力腔体 822的两侧并被该压 力腔体 822分隔开， 该两个真空腔体 842与该压力腔体 822共同形成一个矩形 腔体。 该压力腔体 822靠近支撑架 (图未示)的一端开设有一个第一通孔 826, 该 压力腔体 822靠近该承载面 22的一端开设有一个第一开口 828。 每个真空腔体 842的与该压力腔体 822相背的一侧开设有一个第二通孔 846 ,每个真空腔体 842 靠近该承载面 22的一端开设有一个第二开口 848。第一开口 828及第二开口 848 均与该承载面 22间隔相对。该鼓风机 824通过该第一通孔 826与该压力腔体 82 连通， 每个真空泵 844通过对应的第二通孔 846与对应的真空腔体 842连通。 该鼓风机 824朝该压力腔体 822吹出的气流穿过该第一开口 828到达该承载面 22。 该每个真空泵 844通过对应的第二通孔 846将对应的真空腔体 842内的气 体往外抽以使对应的真空腔体 842的内部形成近似于真空的环境。 该两个超声波发生器 86放置在该压力腔体 822内靠近该第一开口 828处， 用于产生振动以激起该承载面 22上的异物 200。
该清洁装置 80来回移动清除该异物 200时， 每个真空泵 844通过对应的第 二通孔 846将对应的真空腔体 842内的气体往外抽以使对应的真空腔体 842的 内部形成近似于真空的环境。与此同时，该两个超声波发生器 86及该鼓风机 824 均开启， 即该两个超声波发生器 86产生振动以激起附着在承载面 22上的异物 200, 由于气压差的缘故， 鼓风机 824朝该压力腔体 822吹出的气流穿过该第一 开口 828后将被激起的异物 200吹入对应的真空腔体 842内， 异物 200被该两 个真空腔体 842收纳， 由此便完成该承载面 22上的异物 200的清理。
本实施例中的清洁装置 80 来回移动的原理与第一实施例中的清洁装置 70 来回移动的原理完全一致， 在此不再赘述。 本实施例中的清洁装置 80不仅能达 到与第一实施例中的清洁装置 70完全相同的功效， 而且本实施例中的清洁装置 80的清洁效果更好， 能够清除掉 1.6μιη以上的异物， 且无需与承载面 22接触， 对承载平台 20无损伤。
第三实施例
请一并参阅图 1及图 4,本发明第三实施例中的液晶光配向设备 400与第一 实施例中的液晶光配向设备 100 的结构基本相同， 不同之处仅仅在于该清洁装 置 90并非为毛刷。 具体地， 该清洁装置 90包括一个真空部 92、 位于该真空部 92两侧的两个压力部 94及分别位于该压力部 94内的两个超声波发生器 96。
该真空部 92包括一个真空腔体 922及一个位于该真空腔体 922外部的真空 泵 924。 每个压力部 94包括一个压力腔体 942及一个位于该压力腔体 942外部 的鼓风机 944。该两个压力腔体 942分别相接在该真空腔体 922的两侧并被该真 空腔体 922分隔开， 该两个压力腔体 942与该真空腔体 922共同形成一个矩形 腔体。 该真空腔体 922靠近支撑架 (图未示)的一端开设有一个第一通孔 926, 该 真空腔体 922靠近该承载面 22的一端开设有一个第一开口 928。 每个压力腔体 942的与该真空腔体 922相背的一侧开设有一个第二通孔 946 ,每个压力腔体 942 靠近该承载面 22的一端开设有一个第二开口 948。第一开口 928及第二开口 948 均与该承载面 22间隔相对。该真空泵 924通过该第一通孔 926与该真空腔体 922 连通， 每个鼓风机 944通过对应的第二通孔 946与对应的压力腔体 942连通。 该真空泵 924通过第一通孔 926将该真空腔体 922内的气体往外抽以使该真空 腔体 922的内部形成近似于真空的环境， 该鼓风机 944朝对应的压力腔体 942 吹出的气流穿过对应的第二开口 948到达该承载面 22。
该两个超声波发生器 96放置在该压力腔体 942内靠近该第二开口 948处， 用于产生振动以激起该承载面 22上的异物 200。
该清洁装置 90来回移动清除该异物 200时， 真空泵 924通过第一通孔 926 将真空腔体 922内的气体往外抽以使真空腔体 922的内部形成近似于真空的环 境。 与此同时， 该两个超声波发生器 96及该两个鼓风机 944均开启， 即该两个 超声波发生器 96产生振动以激起附着在承载面 22上的异物 200,由于气压差的 缘故， 鼓风机 944朝对应的压力腔体 942吹出的气流穿过该第二开口 948后将 被激起的异物 200吹入真空腔体 922内， 异物 200被该真空腔体 922收纳， 由 此便完成该承载面 22上的异物 200的清理。
本实施例中的清洁装置 90来回移动的原理与第一实施例中的清洁装置 70 来回移动的原理完全一致， 在此不再赘述。 本实施例中的清洁装置 90不仅能达 到与第一实施例中的清洁装置 70完全相同的功效， 而且本实施例中的清洁装置 90的清洁效果更好， 能够清除掉 3μιη以上的异物， 且无需与承载面 22接触， 对承载平台 20无损伤。
以上所揭露的仅为本发明较佳实施例而已， 当然不能以此来限定本发明之 权利范围， 因此依本发明权利要求所作的等同变化， 仍属本发明所涵盖的范围。

Claims

权 利 要 求 书
1. 一种液晶光配向设备， 用于对液晶面板进行液晶配向， 其中， 该液晶光 配向设备包括：
两个彼此平行间隔的导轨；
夹设在该两个导轨之间的承载平台， 该承载平台用于承载该液晶面板； 滑动装设在该两个导轨上的支撑组件， 该支撑组件包括支撑杆、 自该支撑 杆相对两端垂直延伸的两个支撑臂以及与该两个支撑臂分别固定连接的两个滑 块， 该支撑杆横跨该承载平台， 该两个滑块能够滑动地装设在该两个导轨内； 及
安装在该支撑组件上并与该承载平台相对的清洁装置， 该清洁装置用于清 除该承载平台上的异物。
2. 如权利要求 1所述的液晶光配向设备， 其中， 每个导轨均为框体结构并 包括开设有凹槽的内侧面， 该两个导轨的两个凹槽相对设置， 该承载平台相对 的两侧卡合在该两个凹槽内。
3. 如权利要求 1所述的液晶光配向设备， 其中， 该液晶光配向设备还包括 与该两个滑块及该两个导轨均对应的两个驱动组件， 每个驱动组件包括一个驱 动马达及一个传动螺杆， 该驱动马达固设在对应的导轨的一端的外表面上， 该 传动螺杆位于对应的导轨内且其一端与该驱动马达连接， 另一端能够转动地装 设在对应的导轨的另一端， 该传动螺杆穿过对应的滑块并与该对应的滑块螺纹 配合。
4. 如权利要求 3所述的液晶光配向设备， 其中， 每个导轨还包括平行相背 的顶面及底面， 该内侧面垂直连接该顶面及该底面， 每个滑轨开设有贯穿该顶 面及该底面的导孔， 每个滑块呈 T形并包括连接部及垂直该连接部延伸的安装 部， 该连接部承载在该顶面上， 该安装部能够滑动地装设在该导孔内。
5. 如权利要求 4所述的液晶光配向设备， 其中， 每个滑块的安装部均开设 有螺纹孔， 每个传动螺杆穿过对应的滑块并与该对应的滑块中的螺纹孔螺合。
6. 如权利要求 3所述的液晶光配向设备， 其中， 该支撑组件还包括多个调 节螺杆， 每个调节螺杆的一端与该支撑杆螺合， 每个调节螺杆的另一端与该清 洁装置固定连接。
7. 如权利要求 6所述的液晶光配向设备， 其中， 该清洁装置为毛刷， 该毛 刷通过该多个调节螺杆能够调整高度地装设在该支撑杆上并与该承载平台正 对。
8. 如权利要求 7所述的液晶光配向设备， 其中， 该毛刷由耐磨材料制成， 该毛刷的毛刷丝直径小于等于 0.5毫米。
9. 如权利要求 8所述的液晶光配向设备， 其中， 该毛刷由防静电材料制成。
10. 如权利要求 7所述的液晶光配向设备， 其中， 该液晶光配向设备还包括 除静电装置， 该除静电装置固设在该支撑杆上与该承载平台相对。
11. 如权利要求 10所述的液晶光配向设备， 其中， 该支撑杆包括平行相背 的上表面及下表面， 该下表面与该承载面相对， 该毛刷通过该多个调节螺杆能 够调整高度地装设在该下表面上， 该除静电装置固设在该上表面上。
12. 如权利要求 11所述的液晶光配向设备， 其中， 该液晶光配向设备还包 括多个紫外光源， 该多个紫外光源固设在该下表面上并与该承载面面对， 该多 个紫外光源用于朝承载在该承载面上的液晶面板发出紫外光线。
13. 如权利要求 12所述的液晶光配向设备， 其中， 该液晶光配向设备还包 括照度测量装置， 该照度测量装置固设在该上表面上并与该承载面面对， 该照 度测量装置用于测量该多个紫外光源发出的光线的照度。
14. 如权利要求 6所述的液晶光配向设备， 其中， 该清洁装置包括压力部、 位于该压力部两侧的两个真空部及分别位于该压力部内的两个超声波发生器， 该压力部的开口及该两个真空部的开口均与该 载平台间隔相对， 该压力部用 于朝该承载平台送出气流， 该两个超声波发生器用于产生振动以激起附着在该 承载平台上的异物， 该两个真空部用于收纳该承载平台上的异物。
15. 如权利要求 14所述的液晶光配向设备， 其中， 该支撑杆包括平行相背 的上表面及下表面， 该下表面与该承载面相对， 该清洁装置通过该多个调节螺 杆能够调整高度地装设在该下表面上， 该液晶光配向设备还包括除静电装置， 该除静电装置固设在该上表面上并与该承载平台相对。
16. 如权利要求 15所述的液晶光配向设备， 其中， 该液晶光配向设备还包 括多个紫外光源， 该多个紫外光源固设在该下表面上并与该承载面面对， 该多 个紫外光源用于朝承载在该承载面上的液晶面板发出紫外光线。
17. 如权利要求 16所述的液晶光配向设备， 其中， 该液晶光配向设备还包 括照度测量装置， 该照度测量装置固设在该上表面上并与该承载面面对， 该照 度测量装置用于测量该多个紫外光源发出的光线的照度。
18. 如权利要求 6所述的液晶光配向设备， 其中， 该清洁装置包括真空部、 位于该真空部两侧的两个压力部及分别位于该两个压力部内的两个超声波发生 器， 该两个压力部的开口及该真空部的开口均与该承载平台间隔相对， 该两个 压力部用于朝该承载平台送出气流， 该两个超声波发生器用于产生振动以激起 附着在该承载平台上的异物， 该真空部用于收纳该承载平台上的异物。
19. 如权利要求 18所述的液晶光配向设备， 其中， 该支撑杆包括平行相背 的上表面及下表面， 该下表面与该承载面相对， 该清洁装置通过该多个调节螺 杆能够调整高度地装设在该下表面上， 该液晶光配向设备还包括除静电装置， 该除静电装置固设在该上表面上并与该承载平台相对。
20. 如权利要求 19所述的液晶光配向设备， 其中， 该液晶光配向设备还包 括多个紫外光源及照度测量装置， 该多个紫外光源固设在该下表面上并与该承 载面面对， 该多个紫外光源用于朝承载在该承载面上的液晶面板发出紫外光线， 该照度测量装置固设在该上表面上并与该承载面面对， 该照度测量装置用于测 量该多个紫外光源发出的光线的照度。
PCT/CN2014/070850 2013-12-20 2014-01-17 液晶光配向设备 Ceased WO2015089931A1 (zh)

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