CN104698655B - The manufacturing device of liquid crystal display panel and the manufacturing method of liquid crystal display panel - Google Patents
The manufacturing device of liquid crystal display panel and the manufacturing method of liquid crystal display panel Download PDFInfo
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- CN104698655B CN104698655B CN201410342012.2A CN201410342012A CN104698655B CN 104698655 B CN104698655 B CN 104698655B CN 201410342012 A CN201410342012 A CN 201410342012A CN 104698655 B CN104698655 B CN 104698655B
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- 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
-
- 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
- G02F1/0009—Materials therefor
- G02F1/0045—Liquid crystals characterised by their physical properties
-
- 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
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- 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
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
Abstract
The present invention provides the manufacturing method of a kind of liquid crystal display panel manufacturing device and liquid crystal display panel, is able to suppress the uneven of the temperature of panel processed and inhibits the variation of the temperature of panel processed.The manufacturing device of the liquid crystal display panel of embodiment includes illumination part, irradiation case, platform, chamber and circular form air cooling device.Illumination part projects light.Irradiating case has the window material for penetrating the light from illumination part.Platform has mounting surface, and the mounting surface is arranged in a manner of in face of window material and loads panel processed.Make liquid communication in platform interior, the liquid carries out temperature control to the region of the illuminated light of mounting surface.Chamber covering irradiation case and platform.The gas imported from the introducing port for being set to chamber is discharged circular form air cooling device from outlet, and controls the indoor temperature of chamber.
Description
Technical field
Embodiments of the present invention are related to a kind of manufacturing device of liquid crystal display panel and the manufacturing method of liquid crystal display panel.
Background technique
In the manufacture of liquid crystal display panel, there is the method for carrying out the referred to as process of light orientation, ultraviolet radiator is used in the process
Thus equal light sources make macromolecule to including the light with the panel processed irradiation provision wavelengths of the polymer body of photoreactivity
Body occurs chemical reaction and has the function of orientation.
Make the stabilized state of blue phase liquid crystal using macromolecule especially for showing, i.e., polymer-stabilized blue phase is (poly-
Close object and stablize blue phase (Polymer Stabilized Blue Phase:PSBP)) and when carrying out light irradiation, panel processed
Influence caused by unevenness of the ongoing change of temperature unevenness and temperature to display characteristic is big.Therefore, it is shone to panel processed
It penetrates in the manufacturing method of the liquid crystal display panel of the light of provision wavelengths, the temperature of the panel processed when strong expectation inhibits ultraviolet light to irradiate
Degree is uneven and inhibits the temperature change on the surface of panel processed.
It is therefore proposed that there is ultraviolet lamp, which is used for the liquid comprising photoreactivity substance
(referring for example to patent document 1) in the manufacturing process of crystal panel.Ultraviolet lamp shown in patent document 1 describes as follows
Constitute: including cooling body, which supplies cooling wind to the inside of the outer tube of each light source component.
[existing technical literature]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2011-215463 bulletin
Summary of the invention
[problem to be solved by the invention]
However, in ultraviolet lamp shown in patent document 1, it is difficult to inhibit polymer-stabilized blue phase for rendering
Panel processed temperature it is uneven, or be difficult to inhibit the variation of the temperature of panel processed.
The purpose of the present invention is to provide a kind of the uneven of temperature for inhibiting panel processed and inhibit panel processed
Temperature variation liquid crystal display panel manufacturing device and liquid crystal display panel manufacturing method.
[means solved the problems, such as]
The manufacturing device of the liquid crystal display panel of embodiment includes illumination part, irradiation case, platform, chamber and circular form
Air cooling device.Illumination part projects light.Irradiating case has the window material (window for penetrating the light from illumination part
material).Platform has mounting surface, and the mounting surface is arranged in a manner of in face of window material and loads processed surface
Plate.Make liquid communication in the inside of platform, the liquid carries out temperature control to the region (area) of the illuminated light of mounting surface.
Chamber covering irradiation case and platform.Circular form air cooling device includes the introducing port and outlet for being set to chamber, and will be from importing
The gas that mouth imports is discharged from outlet and controls the indoor temperature of chamber.
In addition, the window material has following function, that is, ultraviolet light or infrared ray to prespecified wavelength it is saturating
It crosses and is controlled, or inhibit the ultraviolet light of prespecified wavelength and the transmission of infrared ray both sides.
In addition, the panel processed includes: colored filter substrate, the opposite direction with the colored filter substrate opposite direction
Substrate, and the liquid crystal layer being set between the colored filter substrate and the opposite substrate, the panel processed with
The mode of the colored filter substrate side and the mounting face contact and be configured at the platform, the illumination part is from described
The light is irradiated to the panel processed in the side of opposite substrate.
In addition, liquid-crystal composition and polymerism list that the liquid crystal layer includes at least nematic liquid crystal constituent, blue phase is presented
Polymer-stabilized blue phase is presented using the irradiation of the light in body.
In addition, the illumination part includes light source, the light source is using 300nm~400nm as dominant wavelength, and the mounting surface
On wavelength be 365nm the illumination of light be 15mW/cm2Below.
In addition, controlling as follows the platform and the circular form air cooling device, that is, to described processed
The temperature of the panel processed when panel irradiates described smooth is ± 0.5 DEG C relative to the set temperature between 10 DEG C~70 DEG C
Within.
The manufacturing method of the liquid crystal display panel of embodiment includes: illumination part, projects light；Case is irradiated, is come from penetrating
The window material of the light of the illumination part；Platform has mounting surface, and the mounting surface is in a manner of in face of the window material
And be arranged and load panel processed, make liquid communication in the inside of the platform, the liquid is shone the mounting surface
The region for penetrating the light carries out temperature control；Chamber covers the irradiation case and the platform；And circular form air cooling device,
Introducing port and outlet including being set to the chamber, the gas imported from the introducing port is discharged from the outlet,
And the indoor temperature of the chamber is controlled；And the manufacturing method of the liquid crystal display panel includes the following steps: in the platform
The mounting surface load the panel processed；The liquid is set to circulate in the platform on one side, and by the gas
It is directed into the chamber from the introducing port and is discharged and recycles from the outlet, pass through institute from the illumination part on one side
State window material and to the panel irradiation light processed for being configured at the mounting surface.
[The effect of invention]
According to the present invention, it is possible to provide inhibit the uneven of the temperature of panel processed and inhibit the temperature of panel processed
Variation liquid crystal display panel manufacturing device and liquid crystal display panel manufacturing method.
Detailed description of the invention
Fig. 1 is the figure for indicating the composition of the summary of the manufacturing device of liquid crystal display panel of embodiment.
Fig. 2 is the sectional view for indicating the composition of the summary of the manufacturing device of liquid crystal display panel of embodiment.
Fig. 3 is to indicate by the manufacturing device of the liquid crystal display panel of embodiment and the panel processed of illuminated light is constituted
Sectional view.
Fig. 4 is the figure for the light for illustrating that the window material of the manufacturing device of liquid crystal display panel of embodiment is penetrated.
Fig. 5 is the sectional view for indicating the composition of the window material of the manufacturing device of liquid crystal display panel of embodiment.
Fig. 6 is the plan view for indicating the measurement site of temperature change of comparative example and sample 1 of the present invention, sample of the present invention 2.
Fig. 7 is the sectional view for indicating the composition of the summary of the manufacturing device of the liquid crystal display panel of variation of embodiment.
Fig. 8 is the section for indicating the composition of the summary of the manufacturing device of the liquid crystal display panel of another variation of embodiment
Figure.
[explanation of symbol]
1: the manufacturing device of liquid crystal display panel
2: panel processed
3: colored filter substrate
4: opposite substrate
5: liquid crystal layer
10: illumination part
11: bar light (light source)
20: irradiation case
21: window material
22: the first optical filters
23: the second optical filters
30: platform
31: mounting surface
32: fluid soak cycles unit
33: piping
40: chamber
50: circular form air cooling device
51: introducing port
52: outlet
53: air supply tube
60: control unit
A, B, C, D: wavelength
A~I: measurement site
Specific embodiment
The manufacturing device 1 of the liquid crystal display panel of embodiments described below includes illumination part 10, irradiation case 20, platform
30, chamber 40 and circular form air cooling device 50.Illumination part 10 projects light.Irradiating case 20 has through from illumination part
The window material 21 of 10 light.Platform 30 has mounting surface 31, and the mounting surface 31 is set in a manner of in face of window material 21
It sets and loads panel 2 processed.Make liquid communication, region of the liquid to the illuminated light of mounting surface 31 inside platform 30
Carry out temperature control.The covering of chamber 40 irradiation case 20 and platform 30.Circular form air cooling device 50 includes being set to leading for chamber 40
Entrance 51 and outlet 52 will be discharged from the gas that introducing port 51 imports from discharge 52 and control to the temperature in chamber 40
System.
Moreover, in the manufacturing device 1 of the liquid crystal display panel of embodiment described below, under the window material 21 has
State function, that is, inhibit the ultraviolet light of prespecified wavelength or the transmission of infrared ray, or inhibit the ultraviolet of prespecified wavelength
The transmission of line and infrared ray both sides.
Moreover, panel 2 processed includes colored filter in the manufacturing device 1 of the liquid crystal display panel of embodiments described below
Mating plate substrate 3, opposite substrate 4 and liquid crystal layer 5.Opposite substrate 4 and colored filter substrate 3 are opposite.Liquid crystal layer 5 is set to coloured silk
Between colo(u)r filter substrate 3 and opposite substrate 4.The side that panel 2 processed is contacted with 3 side of colored filter substrate with mounting surface 31
Formula is configured at platform 30, and illumination part 10 is from the side of opposite substrate 4 to 2 irradiation light of panel processed.
Moreover, liquid crystal layer 5 includes at least nematic liquid in the manufacturing device 1 of the liquid crystal display panel of embodiments described below
Brilliant constituent, the liquid-crystal composition and polymerizable monomer that blue phase is presented.Stabilizing polymer is presented using the irradiation of light in liquid crystal layer 5
Change blue phase.
Moreover, illumination part 10 includes light source 11 in the manufacturing device 1 of the liquid crystal display panel of embodiments described below,
The light source 11 is using 300nm~400nm as dominant wavelength, and the illumination of the light of the wavelength of the 365nm in mounting surface is 15mW/cm2With
Under.
Moreover, in the manufacturing device 1 of the liquid crystal display panel of embodiments described below, with it is illuminated smooth when processed surface
The temperature of plate 2 is air-cooled to platform 30 and circular form relative to the mode that the set temperature between 10 DEG C~70 DEG C is within ± 0.5 DEG C
Device 50 is controlled.
Moreover, the manufacturing method of the liquid crystal display panel of embodiments described below includes: illumination part 10, light is projected；According to
Case 20 is penetrated, there is the window material 21 through the light from illumination part 10；Platform 30 has mounting surface 31, the mounting surface
31 are arranged and load panel 2 processed in a manner of in face of window material 21, make liquid communication inside the platform 30, institute
It states liquid and temperature control is carried out to the region of the illuminated light of mounting surface 31；Chamber 40, covering irradiation case 20 and platform 30；And
Circular form air cooling device 53, introducing port 51 and outlet 52 including being set to chamber 40, the gas that will be imported from introducing port 51
It is discharged from outlet 52, and the temperature in chamber 40 is controlled；And the manufacturing method of the liquid crystal display panel includes following steps
It is rapid: panel 2 processed is placed in the mounting surface 31 of platform 30；The liquid is set to circulate in platform 30 on one side, and by institute
It states gas to be directed into chamber 40 from introducing port 51 and be discharged and recycle from outlet 52, passes through window from illumination part 10 on one side
Material 21 and to 2 irradiation light of panel processed for being configured at mounting surface 31.
[embodiment]
Next, being illustrated with reference to the accompanying drawings to the manufacturing device 1 of the liquid crystal display panel of embodiments of the present invention.Fig. 1 is
Indicate the figure of the composition of the summary of the manufacturing device of the liquid crystal display panel of embodiment, Fig. 2 is the liquid crystal display panel for indicating embodiment
Manufacturing device summary composition sectional view, Fig. 3 is to indicate to be shone by the manufacturing device of the liquid crystal display panel of embodiment
The sectional view of the composition of the panel processed of light is penetrated, Fig. 4 is the window material for illustrating the manufacturing device of liquid crystal display panel of embodiment
Expect the figure of penetrated light, Fig. 5 is the section for indicating the composition of the window material of the manufacturing device of liquid crystal display panel of embodiment
Figure.
The manufacturing device (hereinafter, brief note makees manufacturing device) 1 of the liquid crystal display panel of embodiment shown in FIG. 1 remains on one side
Fixed temperature to 2 irradiation light of panel processed, makes panel 2 processed show the high score for for example constituting liquid crystal display on one side
Son stabilizes blue phase etc..By manufacturing device 1, the panel processed 2 of illuminated light includes: colored filter substrate as shown in Figure 3
3, the opposite opposite substrate 4 with colored filter substrate 3, and the liquid being set between colored filter substrate 3 and opposite substrate 4
Crystal layer 5.
Colored filter substrate 3 is for example to will transmit through the colored filter of red, green, blue light to be configured on substrate
And gained is covered by protective film.Opposite substrate 4 is by electrode configuration into substrate made of array-like.Liquid crystal layer 5 include at least to
Column liquid-crystal composition, the liquid-crystal composition and polymerizable monomer that blue phase is presented.Liquid crystal layer 5 utilizes the irradiation of the light of manufacturing device 1
And polymer-stabilized blue phase is presented.
The nematic liquid crystal constituent for constituting liquid crystal layer 5 includes to have dielectric anisotropy (dielectric
Anisotropy material).
The liquid-crystal composition that blue phase is presented is following material, that is, steadily existing temperature range will for example be expanded
To room temperature, it is specifically extended to 0 DEG C or more, but by illuminated light, can also realize the response higher than nematic liquid crystal constituent
Property.The liquid-crystal composition that blue phase is presented is following substance, that is, if for example relative to the defined setting between 10 DEG C~70 DEG C
Temperature and illuminated light in the state of remaining within ± 0.5 DEG C, then can be without unevenly showing polymer-stabilized blue phase.Example
Such as, in the case where set temperature is 55 DEG C, if the liquid-crystal composition that blue phase is presented remains 54.5 DEG C~55.5 in temperature
Illuminated light in the state of in the range of DEG C can be then 60 in set temperature without polymer-stabilized blue phase is unevenly showed
In the case where DEG C, if in the state that the liquid-crystal composition of blue phase is presented in the range of temperature remains 59.5 DEG C~60.5 DEG C
Illuminated light, then can be without unevenly showing polymer-stabilized blue phase.
Polymerizable monomer is to make nematic liquid crystal constituent or the liquid-crystal composition of polymer-stabilized blue phase is presented
Form stabilized material.
Manufacturing device 1 is as shown in Figures 1 and 2, comprising: projects the illumination part 10 of light, irradiates case 20, platform 30, chamber
40, circular form air cooling device 50 and control unit 60 etc..
Illumination part 10 projects light, specifically, can be by window material 21 to panel 2 processed in irradiation case 20
Irradiation light, the panel 2 processed are placed in irradiation case 20 in face of the window material through the light from illumination part 10
In the mounting surface 31 of 21 platform 30.Illumination part 10 has multiple bar lights 11 as light source.Bar light 11 be by mercury,
The rare gas such as the metal halides such as iron or iodine, argon are enclosed and mainly the metal halide lamp etc. of injection ultraviolet light linearly prolongs
The tube lamp stretched.Bar light 11 is using 300nm~400nm as dominant wavelength, and the illumination of the light (ultraviolet light) of the wavelength of 365nm is
15mW/cm2Below.Moreover, the longitudinal direction of bar light 11 with from the introducing port 51 of chamber 40 is set to towards outlet 52
Direction, the direction flowed as the gas of the gas in chamber 40 are parallel.In addition, UV-M02 (Losec (Orc) system can be used
The manufacture of Zuo Suo limited liability company) as illumination photometer, and made using UV-SN35 (Orc makes limited liability company, institute and manufactures)
For light-receiving device.
In present embodiment, there are three the settings of bar light 11, and configures in irradiation case 20 and platform 30, is placed in mounting surface
The top of panel processed 2 on 31.Moreover, the water cooling (not shown) that bar light 11 is passed through for the light that the bar light 11 is irradiated
Set (water-cooling jacket) is covered.Dampening is filled in water-cooled jacket, recycles the water of the filling, thus by stick
Shape lamp 11 remains required operating temperature.
Irradiation case 20 is formed as box-like, and with the internal panel processed 2 for accommodating the mounting surface 31 for being placed in platform 30
Mode is configured on platform 30.Moreover, irradiation case 20 have window material 21, the window material 21 be set to illumination part 10 with
Between mounting surface 31, and the illuminated light from illumination part 10.
Window material 21 has the function of inhibiting the ultraviolet light of prespecified wavelength and the transmission of infrared ray both sides.Window
Material 21 penetrates the light for being suitable for the wavelength that polymer-stabilized blue phase is presented in liquid crystal layer 5 and inhibits (limitation) other light
Through.In present embodiment, as shown in figure 5, window material 21 is that the first optical filter 22 is Chong Die with the second optical filter 23 and structure
At.First optical filter 22 penetrates the ultraviolet light that wavelength [nm] is A~B as shown in solid in Fig. 4, and inhibit (limitation) other
The transmission of light (wavelength [nm] ultraviolet light shorter than A, the ultraviolet light of wavelength [nm] than B long, luminous ray, infrared ray).Second filter
As shown in double dot dash line in Fig. 4, the ultraviolet light, luminous ray, infrared ray for making wavelength [nm] to be C~D penetrate mating plate 23, and inhibit
The transmission of (limitation) other light (especially wavelength [nm] ultraviolet light shorter than C, the infrared ray of wavelength [nm] than D long).In addition, C ratio A
Long and shorter than B, B ratio D is short.Therefore, in present embodiment, window material 21 makes the wavelength [nm] be as shown in parallel diagonal lines in Fig. 4
The ultraviolet light of C~B penetrates, and inhibits the transmission of (limitation) other light.Moreover, in the present invention, can also will make wavelength [nm] be A~
The ultraviolet light of B penetrates and the optical filter of the transmission of (limitation) other light is inhibited to be vaporized on second optical filter 23, thus structure
At window material 21.
Moreover, in the present invention, as long as window material 21 can make to be suitable for liquid crystal layer 5 polymer-stabilized blue phase is presented
The light of wavelength penetrates, then also may include the optical filter of the transmission of the ultraviolet light for the wavelength for inhibiting (limitation) prespecified, can also wrap
The optical filter of the transmission of the infrared ray of the prespecified wavelength of (limitation) containing inhibition.In this way, in the present invention, as long as window material 21
Has following function, that is, inhibit (limitation) pre- according to being suitable for liquid crystal layer 5 wavelength of polymer-stabilized blue phase is presented
The ultraviolet light of wavelength as defined in elder generation or the transmission of infrared ray.
Platform 30 has the mounting surface 31 for loading panel 2 processed, and makes the water of liquid as fixed temperature in inside
Thus circulation controls the temperature for the panel processed 2 for being placed in mounting surface 31.Mounting surface 31 is to face window material
21 mode and be arranged, and it is opposite with illumination part 10.In addition, in the present invention, it is generally desirable to be placed in being located for mounting surface 31
The temperature that reason panel 2 is kept is fixed temperature as much as possible, as long as the temperature for being placed in the panel processed 2 of mounting surface 31 is protected
It holds as fixation, then processed panel 2 of the temperature of the liquid as fluid recycled in platform 30 than being placed in mounting surface 31
Temperature it is slightly lower or slightly higher.In addition, than water, also various liquid can be made to recycle in platform 30 in the present invention.
On platform 30, panel 2 processed is loaded in such a way that 3 side of colored filter substrate is contacted with mounting surface 31.That is, by
In the mounting surface 31 that processing panel 2 is placed in platform 30 in such a way that colored filter substrate 3 is contacted with mounting surface 31.Cause
This, illumination part 10 is from the side of opposite substrate 4 to 2 irradiation light of panel processed.
Platform 30 includes aluminium alloy etc. and is formed as thick tabular, and circulating path (not shown) is arranged in inside, this is followed
Endless path supplies the liquid circulation with the temperature for making panel 2 processed become required temperature.Fluid heat preservation is connected on platform 30
The temperature of panel 2 processed is kept constant by cycling element 32, the fluid soak cycles unit 32, and, make as fluid
Liquid recycles in the circulating path of platform 30.Fluid soak cycles unit 32 for example comprising: with to make following for liquid circulation
The piping (a part is indicated in Fig. 2) 33 of endless path connection, known heater send the liquid in cooling device or piping 33
Pump etc. out.
Chamber 40 is formed as box-like, the entirety of covering irradiation case 20 and platform 30, and illumination part 10 is arranged in top.
Circular form air cooling device 50, will be from leading as shown in Fig. 2, include the introducing port 51 and outlet 52 for being set to chamber 40
The gas that entrance 51 imports is discharged from outlet 52, and controls the temperature in chamber 40.Circular form air cooling device 50 will be from importing
The gases that mouth 51 imports are discharged from outlet 52, and control the temperature in chamber 40, thus irradiate the temperature in chamber 40
The temperature that the temperature of panel processed 2 in case 20 is kept constant.
In present embodiment, introducing port 51 is opened up in the lower part of the one end of the longitudinal direction of chamber 40, in chamber 40
The top of the other end opens up outlet 52.Circular form air cooling device 50 makes the gas flow chamber 40 imported from introducing port 51
It is interior, and be discharged from outlet 52.Circular form air cooling device 50 is in addition to for example including introducing port 51 and outlet 52, further includes: uses
So that the air supply tube (shown in Fig. 2) 53 that gas successively recycles in introducing port 51, chamber 40, in outlet 52, gas is kept
For the known heater of fixed temperature, the pressure fan etc. that the gas in cooling device or air supply tube 53 is sent out.
In addition, in the present invention, it is generally desirable to the gas successively recycled in introducing port 51, chamber 40, in outlet 52
Temperature, it is as equal as possible with the panel processed 2 for being placed in mounting surface 31 temperature kept, as long as being placed in mounting surface 31
The temperature that panel 2 processed is kept constant, then processed panel 2 of the temperature of the gas recycled than being placed in mounting surface 31
Temperature is slightly lower or slightly higher.In addition, the temperature of gas is always target temperature, there is also the situations different from actual temperature.
Moreover, the position appropriate such as near outlet 52 of manufacturing device 1, is arranged temperature sensor and (does not scheme
Show), the temperature sensor to the liquid to circulate in the circulating path for being set to the inside of platform 30, the water recycled in water-cooled jacket or
It is detected in the temperature of the gas of the inner-outer circulation of chamber 40 etc..Manufacturing device 1 is appropriate such as near introducing port 51
Position, the flow sensor that is detected of flow to the gas being directed into irradiation case 20 from introducing port 51 is set.
Control unit 60 controls the irradiation movement of the light of manufacturing device 1.Control unit 60 is connected to fluid heat preservation
Cycling element 32, circular form air cooling device 50, illumination part 10 etc..Control unit 60 is for example to include central processing unit
The arithmetic processing apparatus or microprocessor (not shown) of (central processing unit, CPU) etc. structure as main body
At the microprocessor includes read-only memory (read-only memory, ROM), random access memory (Random
Access Memory, RAM) etc., the display unit of the state of described control unit 60 and display processing operation or operator register
Used operating unit connection whens processing content information etc..
Control unit 60 is in 2 irradiation light of panel processed from illumination part 10 to the mounting surface 31 for being placed in platform 30
When, according to the testing result etc. of temperature sensor etc., to control the water-cooled jacket of covering bar light 11, and by bar light 11
Remain required operating temperature.Moreover, control unit 60 from illumination part 10 to the mounting surface 31 for being placed in platform 30
When 2 irradiation light of panel processed, according to the testing result etc. of temperature sensor etc., to be controlled to fluid soak cycles unit 32
System, and the temperature of the liquid recycled in platform 30 is kept constant, and controls circular form air cooling device 50, and will be
The temperature of the gas of the inner-outer circulation of chamber 40 is kept constant, thus by the processed surface for the mounting surface 31 for being placed in platform 30
The temperature of plate 2 is kept constant.
For example, when from illumination part 10 to 2 irradiation light of panel processed, using control unit 60, with it is illuminated smooth when
Panel processed 2 temperature relative to the defined set temperature between 10 DEG C~70 DEG C be ± 0.5 DEG C within mode, come pair
Platform 30 and circular form air cooling device 50 are controlled.That is, in the present invention, the quilt of the so-called mounting surface 31 that will be placed in platform 30
The temperature of processing panel 2 is kept constant, refer to remain relative to the defined set temperature between 10 DEG C~70 DEG C and be ±
Temperature within 0.5 DEG C.For example, using control unit 60, being protected when set temperature is 55 DEG C with the temperature of panel 2 processed
It holds as the mode of the temperature in the range of 54.5 DEG C~55.5 DEG C, come the temperature to the liquid recycled in fluid soak cycles unit 32
Temperature etc. in degree and irradiation case 20 is controlled.When set temperature is 60 DEG C, using control unit 60, with panel processed
2 temperature remains the mode of the temperature in the range of 59.5 DEG C~60.5 DEG C, come to recycling in fluid soak cycles unit 32
Liquid temperature and flow, the temperature of gas etc. that are directed into irradiation case 20 controlled.
Next, the manufacturing method of the liquid crystal display panel to the manufacturing device 1 for the embodiment for having used the composition, that is,
The method of 2 irradiation light of panel processed is illustrated.Firstly, process content information is registered in control unit 60 by operator
In, when there is the instruction for starting to process operation, start to carry out processing operation.Then, in processing operation, by panel 2 processed
It is placed in the mounting surface 31 of platform 30.Then, control unit 60 makes liquid circulate in platform 30, and passes through introducing port 51
It introduces gas into in chamber 40 and from outlet 52 and is discharged, and recycle water in water-cooled jacket.Control unit 60 is from illumination
Penetrate the light that the set time is irradiated in portion 10 by window material 21 to the panel processed 2 for being placed in mounting surface 31.When will be fixed
The panel processed 2 of interior illuminated light is unloaded from platform 30, and the panel processed 2 before light is irradiated is placed in platform 30
Mounting surface 31.The irradiation light in the same manner as the process.
According to the manufacturing device 1 of the embodiment of the composition and the manufacturing method of liquid crystal display panel, make liquid in platform 30
Interior circulation is controlled in a manner of the temperature for being kept constant the temperature of panel 2 processed, in addition, covering is accommodated quilt
The gas handled in the chamber 40 of the irradiation case 20 of panel 2 is kept constant.Moreover, according to manufacturing device 1 and liquid crystal display panel
Manufacturing method can will accommodate the inside of the irradiation case 20 of panel 2 processed and the outside of irradiation case 20, that is, the inside of chamber 40
Temperature remain roughly the same and approximately fixed, and can inhibit temperature from heat dissipation of the irradiation case 20 to chamber 40, thus can press down
The variation of temperature in system irradiation case 20.Therefore, according to manufacturing device 1 and the manufacturing method of liquid crystal display panel, it can inhibit irradiation case
The variation of the temperature of panel processed 2 in 20.Moreover, according to manufacturing device 1 and the manufacturing method of liquid crystal display panel, using flat
Liquid in platform 30 and the temperature for being placed in the panel processed 2 of mounting surface 31 is kept constant.Therefore, according to manufacturing device
1 and liquid crystal display panel manufacturing method, can inhibit irradiation case 20 in panel processed 2 temperature change.
In addition, window material 21 makes to be suitable for the presentation of liquid crystal layer 5 according to manufacturing device 1 and the manufacturing method of liquid crystal display panel
The light of the wavelength of polymer-stabilized blue phase penetrates, and limits the transmission of other light, thus to panel 2 processed only irradiate for
It presents for polymer-stabilized blue phase as bottom line and required light.Therefore, according to manufacturing device 1 and the system of liquid crystal display panel
Method is made, even if also can inhibit 2 irradiation light of panel processed for being placed in mounting surface 31 to processed surface from illumination part 10
Plate 2 irradiates unwanted light.Especially can inhibit can bring the infrared ray etc. of temperature change not needed panel 2 processed irradiation
Light.It can inhibit the temperature rising for being placed in the panel processed 2 of mounting surface 31 as a result,.Therefore, according to manufacturing device 1 and liquid
The manufacturing method of crystal panel can more reliably inhibit the temperature change of the panel processed 2 irradiated in case 20.
Moreover, being irradiated to covering in the chamber 40 of case 20 according to manufacturing device 1 and the manufacturing method of liquid crystal display panel and importing gas
Body.For this purpose, the temperature of the gas in chamber 40 can be remained with the temperature in irradiation case 20 roughly the same.Therefore, according to system
The manufacturing method for making device 1 and liquid crystal display panel can inhibit the uneven of the temperature of panel 2 processed.
Moreover, according to manufacturing device 1 and the manufacturing method of liquid crystal display panel, it is solid to being imported in the chamber 40 of covering irradiation case 20
Determine the gas of temperature.Therefore, according to manufacturing device 1 and the manufacturing method of liquid crystal display panel, even if panel 2 processed when illuminated smooth
Temperature and for example, 50 DEG C or 60 DEG C etc. of manufacturing device 1 extraneous gas temperature between difference it is big, also can inhibit setting
In the panel processed 2 irradiated in case 20 because with radiate due to temperature difference outside manufacturing device 1 caused by panel processed 2
Temperature change.
Therefore, according to manufacturing device 1 and the manufacturing method of liquid crystal display panel, it can inhibit the processed surface for being placed in mounting surface 31
The non-uniform temperature of plate 2, and can inhibit the variation of the temperature of panel 2 processed.
Moreover, according to manufacturing device 1, in such a way that colored filter substrate 3 is contacted with mounting surface 31, by panel processed
2 are placed on platform 30, so that illumination part 10 is towards 4 irradiation light of opposite substrate.Moreover, according to manufacturing device 1, liquid crystal layer 5
Liquid-crystal composition comprising polymer-stabilized blue phase is presented.In addition, illumination part 10 include bar light 11, the bar light 11 with
The illumination for the light that 300nm~400nm is dominant wavelength and wavelength is 365nm is 15mW/cm2Below.Moreover, with to panel processed
The temperature of panel processed 2 when 2 irradiation light relative to the set temperature between 10 DEG C~70 DEG C be ± 0.5 DEG C within mode,
Liquid to platform 30 and the gas being directed into irradiation case 20 control.Therefore, according to manufacturing device 1, make light action in
Liquid crystal layer 5, and can make it that polymer-stabilized blue phase certainly be presented.
Moreover, because introducing port 51 to be set to the lower part of chamber 40, outlet 52 is set to chamber according to manufacturing device 1
The top of room 40, so gas is imported from the lower part of chamber 40, thus gas is not easy direct contact irradiation case 20, to can inhibit
Irradiate the temperature change of the gas in case 20.Therefore, according to manufacturing device 1, the gas in irradiation case 20 can be further suppressed
Temperature change.
Then, the effect of the manufacturing method of the manufacturing device 1 of the embodiment and liquid crystal display panel is confirmed.It will knot
Fruit is shown in table 1.Table 1 is the figure for indicating the result of temperature change of comparative example and sample of the present invention 1, sample of the present invention 2.
In addition, measurement is from illumination part 10 to the panel processed 2 for being placed in mounting surface 31 shown in the table 1
The temperature change of measurement site A~measurement site I shown in fig. 6 of panel 2 processed when irradiation light.
In addition, measurement site A~measurement site I indicates the detection knot for being set to the temperature sensor at position shown in fig. 6
Fruit.Fig. 6 is the plan view for indicating the measurement site of temperature change of comparative example and sample 1 of the present invention, sample of the present invention 2.Show A
The temperature sensor of the testing result of~I is set to panel 2 processed and loads as shown in fig. 6, when overlooking manufacturing device 1
On face 31.A indicates the testing result for being set to the temperature sensor in the corner for being biased against introducing port 51, and B expression, which is set to, to be biased against
The testing result of the temperature sensor of the underface of the one end of the bar light 11 of introducing port 51, C expression, which is set to, is biased against importing
The testing result of the temperature sensor in another corner of mouth 51.D indicates the central portion for being set to the longitudinal direction of mounting surface 31
The testing result of the temperature sensor of the one end of width direction, E indicate the central portion for being set to the longitudinal direction of mounting surface 31
And the testing result of the temperature sensor of the underface of the central portion of bar light 11, F indicate the long side side for being set to mounting surface 31
To central portion width direction the other end temperature sensor testing result.G expression, which is set to, is biased against outlet 52
A corner temperature sensor testing result, H indicates the other end for being set to the bar light 11 that is biased against outlet 52
The testing result of the temperature sensor of underface, I indicate the temperature sensor for being set to another corner for being biased against outlet 52
Testing result.
The set temperature of platform 30 is set as 55 DEG C by the sample of the present invention 1 of table 1, will using circular form air cooling device 50 and
The temperature of the gas recycled in chamber 40 is set as 55 DEG C.The set temperature of platform 30 is set as 60 DEG C by the sample of the present invention 2 of table 1,
The temperature of the gas recycled in chamber 40 using circular form air cooling device 50 is set as 60 DEG C.Moreover, the comparative example of table 1 will
The set temperature of platform 30 is set as 60 DEG C, and stops the circulation of the gas carried out by circular form air cooling device 50.Moreover, being surveyed
Periodically, measurement is started until measurement site A~respective temperature change of measurement site I after 1200 seconds is measured.Table 1
Zero indicates the temperature that can be kept constant panel 2 processed so that polymer-stabilized blue phase is steadily presented, and × expression can not
By temperature that panel 2 processed is kept constant polymer-stabilized blue phase is steadily presented.
[table 1]
Table 1 irradiates result
| Condition | Max (maximum) | Min (minimum) | Ave (average) | Determine |
| Sample 1 of the present invention | 55.2 | 54.5 | 54.91 | ○ |
| Sample 2 of the present invention | 60.2 | 59.5 | 60.06 | ○ |
| Comparative example | 60.8 | 59.0 | 60.06 | × |
According to the comparative example of table 1, even if platform 30, the temperature of measurement site A, measurement site G and measurement site I is used only
Sometimes can also be lower than 59.5 DEG C, and the temperature of measurement site E and measurement site H can be more than 60.5 DEG C sometimes, the platform 30 with
The mode for the temperature that the panel processed 2 for being placed in mounting surface 31 is kept constant is controlled.Moreover, in comparative example,
The minimum temperature of measurement site A, measurement site G and measurement site I are 59.0 DEG C, the highest temperature of measurement site E and measurement site H
Degree is 60.8 DEG C.Therefore, according to comparative example it is found that if illuminated light, in the temperature of the panel processed 2 in mounting surface 31
It rises, and so that the gas in chamber 40 recycle thus generate temperature unevenness.As a result, according to comparative example it is found that can not inhibit
The variation of the temperature that is uneven and can not inhibiting panel 2 processed of the temperature of panel 2 processed is to be steadily presented high score
Son stabilizes blue phase.
According to the sample of the present invention 1 of table 1, sample of the present invention 2, by using platform 30 and circular form air cooling device 50, and
The temperature of all measurement site A~measurement site I is in the range of 54.5 DEG C~55.5 DEG C or 59.5 DEG C~60.5 DEG C, described
Platform 30 is controlled in a manner of the temperature for being kept constant the panel processed 2 for being placed in mounting surface 31.Therefore, root
According to sample 1 of the present invention, sample of the present invention 2, it can inhibit the uneven of the temperature of panel 2 processed and can inhibit panel 2 processed
Temperature variation, polymer-stabilized blue phase is steadily presented.
(variation)
Fig. 7 is the sectional view for indicating the composition of the summary of the manufacturing device of the liquid crystal display panel of variation of embodiment, right
It encloses identical symbol and omits the description in part identical with the embodiment.In the present invention, as shown in fig. 7, can also for
The top of the other end of the longitudinal direction of chamber 40 opens up introducing port 51, opens up outlet in the lower part of the one end of chamber 40
52.In variation shown in Fig. 7, because importing gas from the top of chamber 40, therefore gas is directly contacted with irradiation case 20, so as to
The temperature of the gas irradiated in case 20 is set quickly to reach required condition.
Fig. 8 is the section for indicating the composition of the summary of the manufacturing device of the liquid crystal display panel of another variation of embodiment
Figure, encloses identical symbol to part identical with the embodiment and omits the description.As shown in figure 8, can also be in chamber
40 lower part opens up multiple introducing ports 51, opens up multiple outlets 52 on the top of chamber 40.In variation shown in Fig. 8, because
It introduces gas into from multiple introducing ports 51 to chamber 40, so the temperature of the gas irradiated in case 20 can be made quickly to reach institute
The condition needed.
Several embodiments of the invention are described, but these embodiments be prompted as example, and
It is not intended to limit the range of invention.These embodiments can be implemented by other various forms, in the purport for not departing from invention
In range, various omissions, displacement, change can be carried out.These embodiments are included in the range or purport of invention, and similarly
In the range of the invention described in the claims and its equalization.
Claims (7)
1. a kind of manufacturing device of liquid crystal display panel characterized by comprising
Illumination part projects light；
Case is irradiated, there is the window material through the light from the illumination part；
Platform has mounting surface, and the mounting surface is arranged and loads panel processed in a manner of in face of the window material,
Make liquid communication in the inside of the platform, the liquid carries out temperature control to the region of the illuminated light of the mounting surface
System；
Chamber covers the irradiation case and the platform；And
Circular form air cooling device, introducing port and outlet including being set to the chamber, the gas that will be imported from the introducing port
Body is discharged from the outlet, and controls the indoor temperature of the chamber,
Between the temperature of the panel processed when wherein to irradiate described smooth to the panel processed is 10 DEG C~70 DEG C
The mode of set temperature is controlled.
2. the manufacturing device of liquid crystal display panel according to claim 1, which is characterized in that
The window material has following function, that is, the transmission of ultraviolet light or infrared ray to prespecified wavelength is controlled
System, or inhibit the ultraviolet light of prespecified wavelength and the transmission of infrared ray both sides.
3. the manufacturing device of liquid crystal display panel according to claim 1 or 2, which is characterized in that
The panel processed includes: colored filter substrate, the opposite substrate with the colored filter substrate opposite direction, and
The liquid crystal layer being set between the colored filter substrate and the opposite substrate,
The panel processed is configured at described flat in a manner of the colored filter substrate side and the mounting face contact
Platform, the illumination part irradiate the light to the panel processed from the side of the opposite substrate.
4. the manufacturing device of liquid crystal display panel according to claim 3, which is characterized in that
The liquid-crystal composition and polymerizable monomer that the liquid crystal layer includes at least nematic liquid crystal constituent, blue phase is presented, utilize institute
It states the irradiation of light and polymer-stabilized blue phase is presented.
5. the manufacturing device of liquid crystal display panel according to claim 1 or 2, which is characterized in that
The illumination part includes light source, and the light source is using 300nm~400nm as dominant wavelength, and the wavelength in the mounting surface
Illumination for the light of 365nm is 15mW/cm2Below.
6. the manufacturing device of liquid crystal display panel according to claim 1 or 2, which is characterized in that
The platform and the circular form air cooling device are controlled as follows, that is, the panel processed is irradiated
The temperature of the panel processed when described smooth is within ± 0.5 DEG C relative to the set temperature.
7. a kind of manufacturing method of liquid crystal display panel, which is characterized in that
Following step is carried out using the manufacturing device of liquid crystal display panel:
Panel processed is loaded in the mounting surface of platform；
So that liquid is circulated in the platform on one side, and gas is directed into chamber from introducing port and is discharged simultaneously from outlet
Circulation, on one side from illumination part by window material to the panel irradiation light processed for being configured at the mounting surface,
The manufacturing device of the liquid crystal display panel includes:
The illumination part projects light；
Case is irradiated, there is the window material through the light from the illumination part；
The platform, has the mounting surface, and the mounting surface is arranged in a manner of in face of the window material and loads institute
Panel processed is stated, makes the liquid communication in the inside of the platform, the liquid is to the illuminated described of the mounting surface
The region of light carries out temperature control；
The chamber covers the irradiation case and the platform；And
Circular form air cooling device, the introducing port and the outlet including being set to the chamber, will be from the introducing port
The gas imported is discharged from the outlet, and controls the indoor temperature of the chamber,
Between the temperature of the panel processed when wherein to irradiate described smooth to the panel processed is 10 DEG C~70 DEG C
The mode of set temperature is controlled.
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| JP2013253584A JP6164072B2 (en) | 2013-12-06 | 2013-12-06 | Liquid crystal panel manufacturing apparatus and liquid crystal panel manufacturing method |
| JP2013-253584 | 2013-12-06 |
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| JP6488950B2 (en) * | 2015-08-28 | 2019-03-27 | 東芝ライテック株式会社 | LCD panel manufacturing equipment |
| CN107315271A (en) * | 2017-07-22 | 2017-11-03 | 佛山市正略信息科技有限公司 | A kind of safe easy heat radiation LED display of adjustable point spacing |
| CN108873488B (en) * | 2018-06-29 | 2021-04-20 | 深圳市华星光电半导体显示技术有限公司 | Ultraviolet irradiation machine and equipment for manufacturing alignment film |
| CN109212838B (en) * | 2018-10-10 | 2021-06-25 | 苏州华星光电技术有限公司 | Optical alignment method and system for improving Gamma passing rate |
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| JP2008116672A (en) * | 2006-11-02 | 2008-05-22 | Au Optronics Corp | Equipment and method for manufacturing liquid crystal panel |
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| TWI608271B (en) | 2017-12-11 |
| TW201523075A (en) | 2015-06-16 |
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| CN104698655A (en) | 2015-06-10 |
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