WO2016165285A1 - 液晶面板的制造方法及加热装置 - Google Patents

液晶面板的制造方法及加热装置 Download PDF

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Publication number
WO2016165285A1
WO2016165285A1 PCT/CN2015/090260 CN2015090260W WO2016165285A1 WO 2016165285 A1 WO2016165285 A1 WO 2016165285A1 CN 2015090260 W CN2015090260 W CN 2015090260W WO 2016165285 A1 WO2016165285 A1 WO 2016165285A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal panel
heating device
heating
substrate
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PCT/CN2015/090260
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English (en)
French (fr)
Inventor
王凯
李锋
Original Assignee
京东方科技集团股份有限公司
合肥鑫晟光电科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 京东方科技集团股份有限公司, 合肥鑫晟光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to EP15888982.4A priority Critical patent/EP3159735B1/en
Priority to US15/105,122 priority patent/US9709840B2/en
Publication of WO2016165285A1 publication Critical patent/WO2016165285A1/zh

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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
    • G02F1/133—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
    • 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
    • G02F1/01—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
    • 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
    • G02F1/1341—Filling or closing of cells

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a method of manufacturing a liquid crystal panel and a heating device.
  • a liquid crystal display is a display using a liquid crystal material. Under the action of the electric field, the liquid crystal will change in alignment, so that the light passing through the liquid crystal changes, and the change of the light can be expressed as a change of light and dark through the action of the polarizer. In this way, the control of the electric field ultimately controls the light and dark changes of the light of the liquid crystal display to achieve the purpose of displaying an image.
  • the liquid crystal panel of the liquid crystal display is formed in a sealed space by the two substrates, and the liquid crystal is filled into the sealed space by a liquid crystal injection method or a liquid crystal dropping method. At present, the liquid crystal panel is mainly manufactured by a liquid crystal injection method and a liquid crystal dropping method.
  • the liquid crystal panel is placed on a horizontal support of the heating device, and heated by a hot air flow, the heating temperature is higher than the clearing point of the liquid crystal, and the liquid crystal is converted into a liquid state, thereby diffusing the liquid crystal.
  • the temperature at which the liquid crystal is made transparent is called the clearing point of the liquid crystal.
  • the liquid crystal panel includes a first substrate 101 and a second substrate 102, and a liquid crystal (not shown in FIG. 1) between the first substrate 101 and the second substrate 102, the first substrate 101 and the second substrate. 102 is relatively set.
  • the liquid crystal panel generates a concave-convex shape under the action of its own gravity, the liquid crystal at the concave position 103 is excessive, and the liquid crystal at the convex position 104 is less, and the uniformity of liquid crystal diffusion at the edge and the corner is low, and the liquid crystal is low.
  • the poor fluidity eventually leads to a low uniformity of the thickness of the liquid crystal panel, which causes chromatic aberration, and affects the pre-tilting effect of the alignment film on the liquid crystal under the liquid crystal, and causes chromatic aberration and response time difference in the later stage, especially the corner is more difficult. Repeated diffusion, the larger the unevenness of the substrate, the more obvious the display quality is.
  • the present invention provides a method of manufacturing a liquid crystal panel and a heating device.
  • the technical solution is as follows:
  • a method of fabricating a liquid crystal panel including a first substrate, a second substrate, and a liquid crystal between the first substrate and the second substrate is provided, wherein Methods include:
  • the position of the liquid crystal panel in the heating device is adjusted by at least one angle adjustment process, the at least one angle adjustment process comprising:
  • the method before the heating the liquid crystal panel placed on the heating device, the method further includes:
  • the heating time of the liquid crystal panel is determined.
  • the heating of the liquid crystal panel placed on the heating device comprises:
  • the liquid crystal panel placed at the tilt angle on the heating device is heated, wherein an absolute value of an angle at which the liquid crystal panel and the heating device are placed in a plane is an inclination of the liquid crystal panel The absolute value of the angle.
  • the inclination angle is greater than or equal to 5° and less than or equal to 10°;
  • the heating time is greater than or equal to 2 minutes and less than or equal to 5 minutes.
  • the heating device is provided with a plurality of pillars for fixing the liquid crystal panel, and each of the pillars is provided with a telescopic motor before the liquid crystal panel placed on the heating device is heated.
  • the method further includes:
  • the edge of the liquid crystal panel is fixed on the pillar of the heating device such that the liquid crystal panel is placed in parallel with the plane of the heating device.
  • the adjusting the position of the liquid crystal panel in the heating device by the at least one angle adjustment process comprises:
  • Adjusting the angle of the liquid crystal panel and the heating device placement plane by adjusting the length of at least one of the telescopic motor telescoping during each of the angle adjustments, thereby adjusting the position of the liquid crystal panel in the heating device .
  • the obtaining the tilt angle of the liquid crystal panel includes:
  • Determining the heating duration of the liquid crystal panel includes:
  • the same tilt angle corresponds to the same duration of heating.
  • the method before the heating the liquid crystal panel placed on the heating device, the method further includes:
  • the liquid crystal panel placed on the heating device is preheated for a predetermined period of time.
  • the preset duration is greater than or equal to 50 minutes and less than or equal to 70 minutes.
  • a heating device for a liquid crystal panel for heating a liquid crystal of the liquid crystal panel, the liquid crystal panel including a first substrate, a second substrate, and the first substrate and the a liquid crystal between the second substrates, the heating device comprising:
  • a heating unit for heating the liquid crystal panel placed on the heating device
  • an adjusting unit configured to adjust a position of the liquid crystal panel in the heating device by at least one angle adjustment process during the heating process, where the at least one angle adjustment process comprises:
  • the heating device further includes:
  • An acquiring unit configured to acquire an inclination angle of the liquid crystal panel
  • a determining unit for determining a heating duration of the liquid crystal panel.
  • the heating unit includes
  • the adjustment unit includes
  • a first adjusting subunit configured to adjust a position of the liquid crystal panel in the heating device by at least one angle adjusting process according to the tilting angle during heating, the liquid crystal panel and the heating device adjusted each time
  • the absolute value of the angle at which the plane is placed is the absolute value of the tilt angle, and the at least two adjusted
  • the sum of the angles at which the liquid crystal panel and the heating device are placed in a plane is equal to zero.
  • the inclination angle is greater than or equal to 5° and less than or equal to 10°;
  • the heating time is greater than or equal to 2 minutes and less than or equal to 5 minutes.
  • a plurality of struts for fixing the liquid crystal panel are disposed in the heating device, and each of the struts is provided with a telescopic motor.
  • the heating device further includes:
  • a fixing unit configured to fix an edge of the liquid crystal panel on a pillar of the heating device, so that the liquid crystal panel is parallel to a plane of the heating device.
  • the adjustment unit includes:
  • a second adjusting subunit configured to adjust an angle of the liquid crystal panel and the heating device placement plane by adjusting a length of at least one of the telescopic motor telescoping during each of the angle adjustments, thereby adjusting the liquid crystal panel The position in the heating device.
  • the acquisition unit includes an acquisition subunit configured to determine, according to sizes of the first substrate and the second substrate, sizes of display units in the first substrate and the second substrate, The tilt angle of the liquid crystal panel;
  • the determining unit includes a determining subunit, configured to determine, according to a size of the first substrate and the second substrate, a size of a display unit in the first substrate and the second substrate, Heating time.
  • the same tilt angle corresponds to the same duration of heating.
  • the heating device further includes:
  • the preheating unit is configured to preheat the liquid crystal panel placed on the heating device for a preset duration.
  • the preset duration is greater than or equal to 50 minutes and less than or equal to 70 minutes.
  • Embodiments of the present invention provide a method of manufacturing a liquid crystal panel and a heating device. During the heating process, the position of the liquid crystal panel in the heating device is adjusted by at least one angle adjustment process to realize the liquid crystal panel multiple times. Inclination heating, the liquid crystal in the sealed space formed by the substrate diffuses more fully and uniformly than the liquid crystal heating method in the manufacture of the conventional liquid crystal panel, especially the liquid crystal at the edges and corners, which does not easily affect the alignment film pair under the liquid crystal. The pretilt action of the liquid crystal (molecular), therefore, improves the display quality of the liquid crystal panel.
  • FIG. 1 is a schematic view showing a liquid crystal distribution of a conventional liquid crystal panel
  • FIG. 2 is a flow chart of a method of fabricating a liquid crystal panel according to an embodiment of the invention
  • FIG. 3 is a flow chart of another method for fabricating a liquid crystal panel according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a heating device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of another heating device according to an embodiment of the present invention.
  • Figure 6 is a schematic view showing a liquid crystal panel tilted in the heating device shown in Figure 4 or 5;
  • FIG. 7 is a block diagram showing still another heating device according to an embodiment of the present invention.
  • FIG. 8 is a block diagram of still another heating device according to an embodiment of the present invention.
  • FIG. 9 is a block diagram showing a modification of the heating unit shown in Figure 8.
  • Figure 10 is a block diagram showing a modification of the adjusting unit shown in Figure 8.
  • FIG 11 is a block diagram showing another modification of the adjusting unit shown in Figure 8.
  • Figure 12 is a block diagram showing a modification of the acquisition unit shown in Figure 8.
  • Fig. 13 is a block diagram showing a modification of the determining unit shown in Fig. 8.
  • One embodiment of the present invention provides a method of fabricating a liquid crystal panel including a first substrate, a second substrate, and liquid crystal (molecular) between the first substrate and the second substrate. As shown in FIG. 2, the method may include:
  • Step 201 Heating a liquid crystal panel placed on the heating device.
  • Step 202 During the heating process, adjusting the position of the liquid crystal panel in the heating device by at least one angle adjustment process, the at least one angle adjustment process includes:
  • Adjusting the angle of the liquid crystal panel relative to the plane of the heating device at least twice, each adjusted LCD surface The absolute value of the angle at which the plate and the heating device are placed in the plane is greater than zero, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero.
  • the position of the liquid crystal panel in the heating device is adjusted by at least one angle adjustment process, thereby achieving multiple tilting heating of the liquid crystal panel.
  • the liquid crystal in the sealed space formed by the substrate diffuses more fully and uniformly, especially the liquid crystal at the edges and corners, and does not easily affect the pretilt effect of the alignment film on the liquid crystal under the liquid crystal. Therefore, the display quality of the liquid crystal panel is improved.
  • the method may further include: obtaining an inclination angle of the liquid crystal panel; and determining a heating duration of the liquid crystal panel.
  • Step 201 may include heating the liquid crystal panel placed on the heating device during the heating duration.
  • the step 202 may include: adjusting the position of the liquid crystal panel in the heating device by at least one angle adjustment process according to the tilt angle during the heating process, and the absolute value of the angle of the liquid crystal panel and the heating device placing the plane is adjusted to be an oblique angle.
  • the absolute value, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero.
  • the inclination angle is greater than or equal to 5° and less than or equal to 10°; the heating duration is greater than or equal to 2 minutes and less than or equal to 5 minutes.
  • the heating device placement plane refers to the placement plane when the heating device is normally placed, usually a horizontal plane.
  • a plurality of pillars for fixing the liquid crystal panel are disposed in the heating device, and each of the pillars is provided with a telescopic motor.
  • the method may further include: fixing the edge of the liquid crystal panel on the pillar of the heating device to make the liquid crystal The panel is parallel to the plane in which the heating device is placed, that is, the liquid crystal panel is horizontally fixed on the heating device, and the surface of the liquid crystal panel is kept parallel to the horizontal plane.
  • the step 202 may include: adjusting the angle of the liquid crystal panel and the plane of the heating device by adjusting the length of each telescopic motor to adjust the length of each telescopic motor, thereby adjusting the position of the liquid crystal panel in the heating device.
  • obtaining the tilt angle of the liquid crystal panel includes determining an inclination angle of the liquid crystal panel according to a size of the first substrate and the second substrate, and a size of the display unit in the first substrate and the second substrate.
  • Determining the heating duration of the liquid crystal panel includes determining a heating duration of the liquid crystal panel according to a size of the first substrate and the second substrate, and a size of the display unit in the first substrate and the second substrate.
  • the same tilt angle corresponds to the same heating duration.
  • the method may further include: placing the heating device on the heating device during the preset duration The liquid crystal panel is heated.
  • the preset duration is greater than or equal to 50 minutes and less than or equal to 70 minutes.
  • the position of the liquid crystal panel in the heating device is adjusted by at least one angle adjustment process, thereby achieving multiple tilting heating of the liquid crystal panel.
  • the liquid crystal in the sealed space formed by the substrate diffuses more fully and uniformly, especially the liquid crystal at the edges and corners, and does not easily affect the pretilt effect of the alignment film on the liquid crystal under the liquid crystal. Therefore, the display quality of the liquid crystal panel is improved.
  • Another embodiment of the present invention provides a method of fabricating a liquid crystal panel, the liquid crystal panel including a first substrate, a second substrate, and a liquid crystal between the first substrate and the second substrate. As shown in FIG. 3, the method may include:
  • Step 301 Obtain an inclination angle of the liquid crystal panel.
  • the tilt angle of the liquid crystal panel may be determined according to the size of the first substrate and the second substrate, the size of the display unit in the first substrate and the second substrate, or may be determined according to other attributes of the substrate, which is not limited in the embodiment of the present invention. Generally, the determined tilt angle of the liquid crystal panel is 5° or more and 10° or less.
  • Step 302 Determine a heating duration of the liquid crystal panel.
  • the heating duration of the liquid crystal panel may be determined according to the size of the first substrate and the second substrate, the size of the display unit in the first substrate and the second substrate, or may be determined according to other attributes of the substrate, which is used in the embodiment of the present invention. Not limited. Usually, the heating time is 2 minutes or more and 5 minutes or less.
  • the substrate size of the liquid crystal panel is 55 inches
  • it can be determined that the heating time of the liquid crystal panel is 3 minutes.
  • the tilt angle and the heating duration in step 301 and step 302 can also be optimally configured according to the substrate size and the size of the display unit in the substrate.
  • Step 303 Fix the edge of the liquid crystal panel on the pillar of the heating device, so that the liquid crystal panel is parallel to the plane of the heating device.
  • a plurality of pillars for fixing the liquid crystal panel are disposed.
  • four pillars can be set.
  • Each post is provided with a telescopic motor, as shown in Figure 4.
  • Fig. 4 shows the case where the liquid crystal panel 405 has not been placed on the holder 406 (described in detail below).
  • the four pillars in Figure 4 are 401, 402, 403, and 404, respectively.
  • the strut 401 is provided with a telescopic motor 4011.
  • the strut 402 is provided with a telescopic motor 4021.
  • the strut 403 is provided with a telescopic motor 4031.
  • the strut 404 is provided with a telescopic motor 4041.
  • a bracket 406 is disposed on the four pillars.
  • the bracket 406 is composed of a plurality of struts.
  • the struts are tilted by the telescopic motor to extend the bracket 406, and then the liquid crystal panel on the bracket 406 is tilted.
  • FIG. 4 shows a single layer heating device, as shown in FIG.
  • a liquid crystal panel can be horizontally placed in the heating device and heated, that is, the liquid crystal panel is placed in parallel with the plane of the heating device.
  • the manufacturing method of the liquid crystal panel provided by the embodiment of the present invention can also be applied to a multi-layer heating device. As shown in FIG. 5, the heating device in FIG.
  • FIG. 5 is provided with two brackets 406, so that two liquid crystal panels can be horizontally placed and
  • the heating is provided with a telescopic motor on each of the four pillars of each layer, so that the two liquid crystal panels can be heated obliquely multiple times at the same time, so as to achieve a more uniform diffusion of the liquid crystal.
  • FIG. 5 is the same as that of FIG. 4, details are not described herein again. It should be added that the liquid crystal panel fixed on the bracket of the heating device is optimized, so it is easy to fix and does not bring management and operation difficulties.
  • Step 304 Pre-heating the liquid crystal panel placed on the heating device during the preset duration.
  • the liquid crystal panel After the liquid crystal panel is fixed in parallel on the pillar of the heating device, the liquid crystal panel is preheated for a preset period of time to ensure that the sealant on the liquid crystal panel is cured by heat.
  • the preset duration is greater than or equal to 50 minutes and less than or equal to 70 minutes.
  • Step 305 heating the liquid crystal panel placed on the heating device.
  • Step 305 may specifically include: heating the liquid crystal panel placed on the heating device during the heating duration.
  • the liquid crystal panel placed on the heating device is heated according to the heating time of the liquid crystal panel determined in step 302.
  • Step 306 Adjust the position of the liquid crystal panel in the heating device by at least one angle adjustment process during the heating process.
  • the at least one angle adjustment process comprises: adjusting the angle of the liquid crystal panel and the heating device placement plane at least twice, and the absolute value of the angle between the adjusted liquid crystal panel and the heating device placement plane is greater than 0, and the at least two adjustments are performed.
  • the sum of the angles at which the liquid crystal panel and the heating device are placed in the plane is equal to zero.
  • the step 306 may specifically include: during the heating process, adjusting the position of the liquid crystal panel in the heating device according to the tilt angle by at least one angle adjustment process, and the absolute value of the angle of the liquid crystal panel and the heating device placed on the plane is the tilt angle.
  • the absolute value, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero. Adjust the position of the liquid crystal panel in the heating device so that the liquid crystal panel is placed parallel to the plane of the heating device.
  • the same tilt angle corresponds to the same heating duration.
  • the step 306 may include: adjusting the angle of the liquid crystal panel and the plane of the heating device by adjusting the length of each telescopic motor to adjust the length of each telescopic motor, thereby adjusting the liquid crystal panel. The position in the heating device.
  • the tilt angle is the angle obtained in step 301
  • the heating duration is the length determined in step 302.
  • the position of the liquid crystal panel in the heating device is adjusted according to the tilt angle by at least one angle adjustment process, and the absolute value of the angle at which the liquid crystal panel and the heating device are placed in the plane is adjusted to be an absolute value of the tilt angle, and at least two An achievable manner in which the sum of the angles of the sub-adjusted liquid crystal panel and the heating device placement plane is equal to 0 is to raise the telescopic motor 4011 on the strut 401 and the telescopic motor 4021 on the strut 402 at the same time by adjusting the telescopic motor.
  • the length of the telescopic adjustment adjusts the angle of the liquid crystal panel 405 and the heating device placement plane (horizontal plane) W such that the inclination angle ⁇ is equal to 8° (ie, the angle at which the clockwise rotation is positive with respect to the heating device placement plane), as shown in FIG. .
  • the heating time is kept for 3 minutes, so that the liquid crystal on the substrate is diffused in the lower direction, that is, the pillar 403 and the pillar 404. Then, the telescopic motor 4031 on the pillar 403 and the telescopic motor 4041 on the pillar 404 are simultaneously raised, and the telescopic expansion is performed.
  • the length of the motor telescopic adjustment adjusts the angle of the liquid crystal panel and the plane of the heating device so that the inclination angle ⁇ is equal to -8° (ie, the angle of rotation counterclockwise with respect to the plane on which the heating device is placed is negative), and the heating time is maintained for 3 minutes, so that the heating time is 3 minutes,
  • the liquid crystal on the substrate is diffused in the direction of the pillars 401 and the pillars 402.
  • the telescopic motor 4021 on the pillars 402 and the telescopic motor 4031 on the pillars 403 are simultaneously raised, and the length of the telescopic motor is adjusted to adjust the length of the liquid crystal panel and the heating device.
  • the angle is such that the inclination angle ⁇ is equal to 8°, and the heating time is kept for 3 minutes, so that the liquid crystal on the substrate is diffused toward the pillar 401 and the pillar 404; the telescopic motor 4011 on the pillar 401, and the telescopic motor 4041 on the pillar 404 are further disposed.
  • the angle of the telescopic motor is adjusted to adjust the angle of the flat surface of the liquid crystal panel and the heating device to make the tilt
  • the angle ⁇ is equal to -8°, and the heating time is kept for 3 minutes, so that the liquid crystal on the substrate is diffused toward the pillar 402 and the pillar 403.
  • the position of the liquid crystal panel in the heating device is adjusted so that the liquid crystal panel is placed parallel to the plane of the heating device. At this point, complete an angle adjustment process.
  • the liquid crystal panel is adjusted by at least one angle adjustment process according to the tilt angle during the heating process.
  • the position in the heating device, the absolute value of the angle of the liquid crystal panel and the heating device placed on the plane is the absolute value of the tilt angle, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to 0.
  • the upper liquid crystal is diffused in the direction of the pillars 403 (in this case, in this case, in order to maintain the overall smoothness of the liquid crystal panel 405, the heights of the telescopic motors 4021 and 4041 may be appropriately adjusted as needed);
  • the telescopic motor 4031 on the 403 is raised, and the angle of the liquid crystal panel and the plane of the heating device is adjusted by adjusting the length of the telescopic motor 4031, so that the inclination angle ⁇ is equal to -8°, and the heating time is kept for 3 minutes, so that the liquid crystal on the substrate Spreading toward the pillar 401 (in this case, it is necessary to explain In this case, in order
  • the telescopic motor 4021 on the support 402 is raised, and the angle of the liquid crystal panel and the plane of the heating device is adjusted by adjusting the length of the telescopic motor 4021 to be stretched, so that the inclination angle ⁇ is equal to 8°, and the heating time is kept for 3 minutes, so that the heating time is 3 minutes.
  • the liquid crystal on the substrate is diffused in the direction of the pillars 404.
  • the heights of the telescopic motors 4011 and 4031 can be appropriately adjusted as needed;
  • the telescopic motor 4041 on the pillar 404 is raised, and the angle of the telescopic motor 4041 is adjusted to adjust the angle of the liquid crystal panel and the plane of the heating device, so that the inclination angle ⁇ is equal to -8°, and the heating time is kept for 3 minutes, so that the liquid crystal on the substrate
  • the diffusion of the telescopic motors 4011 and 4031 can be appropriately adjusted as needed in order to maintain the smoothness of the entire liquid crystal panel 405 in this case.
  • the position of the liquid crystal panel in the heating device is adjusted so that the liquid crystal panel is placed parallel to the plane of the heating device. At this point, complete an angle adjustment process.
  • the number of times of the above-mentioned angle adjustment process can also be determined according to the distribution of the liquid crystal in the liquid crystal panel, and the adjustment can be performed multiple times to achieve an optimal liquid crystal distribution.
  • the method for fabricating the liquid crystal panel may have various tilting modes when the liquid crystal is heated.
  • the telescopic motors on two adjacent pillars can be raised at the same time, or the telescopic motors on the three adjacent pillars can be raised at the same time, and the tilting manner can be selected according to the arrangement of the products on the substrate.
  • the tilting mode can be realized by programming on a heating device, that is, a heating device, the program number is 1 to n, and n is the maximum tilt number that can be realized. This embodiment of the present invention does not limit this.
  • a plurality of angle adjustment processes can be performed, and the number of specific angle adjustment processes can be determined according to actual needs.
  • the first substrate of the liquid crystal panel may be a color filter substrate, and the second substrate may be an array substrate; in another case, the first substrate of the liquid crystal panel may be an array substrate,
  • the two substrates may be color film substrates.
  • the method for manufacturing a liquid crystal panel provided by the embodiment of the invention can make the liquid crystal diffuse more fully and more uniformly, especially the liquid crystal at the edge and the corner position, and the uniformity of the thickness of the liquid crystal panel is high, which is not easy to affect the alignment film on the liquid crystal.
  • the pre-dip effect, and the phenomenon of chromatic aberration and response time difference are less likely to occur in the later stage.
  • the position of the liquid crystal panel in the heating device is adjusted by at least one angle adjustment process, thereby achieving multiple tilting heating of the liquid crystal panel.
  • the liquid crystal in the sealed space formed by the substrate diffuses more fully and uniformly, especially the liquid crystal at the edges and corners, and does not easily affect the pretilt effect of the alignment film on the liquid crystal under the liquid crystal. Therefore, the display quality of the liquid crystal panel is improved.
  • the left end of the liquid crystal panel 405 is raised in a clockwise direction with respect to the heating device placement plane (ie, the horizontal plane W), and the angle ⁇ formed at this time is regarded as a positive angle; If the heating device placement plane (i.e., the horizontal plane W) rises counterclockwise from the right end of the illustration of the liquid crystal panel 405, the angle ⁇ formed at this time is considered to be a negative angle.
  • the angle ⁇ shown in Fig. 6 is 8°.
  • the embodiment of the present invention provides a heating device 70 for a liquid crystal panel, which is used for heating liquid crystal of a liquid crystal panel.
  • the liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal between the first substrate and the second substrate.
  • the heating device 70 includes:
  • the heating unit 701 is configured to heat the liquid crystal panel placed on the heating device.
  • the adjusting unit 702 is configured to adjust a position of the liquid crystal panel in the heating device by at least one angle adjustment process during the heating process, where the at least one angle adjustment process comprises: adjusting the angle of the liquid crystal panel and the heating device placement plane at least twice, The absolute value of the angle between the liquid crystal panel and the heating device placement plane is greater than 0, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero.
  • the heating device of the liquid crystal panel provided by the embodiment of the present invention adjusts the position of the liquid crystal panel in the heating device through at least one angle adjustment process during heating, thereby achieving multiple tilting heating of the liquid crystal panel.
  • the liquid crystal heating method of the liquid crystal panel the liquid crystal in the sealed space formed by the substrate is more fully and uniformly diffused, especially the liquid crystal at the edges and corners, and the liquid crystal pre-tilting effect of the alignment film under the liquid crystal is not easily affected. Therefore, the display quality of the liquid crystal panel is improved.
  • the embodiment of the present invention provides another heating device 70 for a liquid crystal panel, which is used for heating a liquid crystal of a liquid crystal panel.
  • the liquid crystal panel includes a first substrate, a second substrate, and a first substrate and the second substrate. liquid crystal.
  • the heating device 70 includes:
  • the heating unit 701 is configured to heat the liquid crystal panel placed on the heating device.
  • the adjusting unit 702 is configured to adjust a position of the liquid crystal panel in the heating device by at least one angle adjustment process during the heating process, where the at least one angle adjustment process comprises: adjusting the liquid crystal panel and heating at least twice The angle at which the device is placed in the plane is such that the absolute value of the angle between the liquid crystal panel and the heating device placement plane is greater than 0, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero.
  • the obtaining unit 703 is configured to acquire an inclination angle of the liquid crystal panel.
  • the tilt angle is greater than or equal to 5° and less than or equal to 10°.
  • the determining unit 704 is configured to determine a heating duration of the liquid crystal panel.
  • the heating time is greater than or equal to 2 minutes and less than or equal to 5 minutes.
  • the fixing unit 705 is configured to fix the edge of the liquid crystal panel on the pillar of the heating device, so that the liquid crystal panel is parallel to the plane of the heating device.
  • the preheating unit 706 is configured to preheat the liquid crystal panel placed on the heating device for a preset duration.
  • the preset duration is greater than or equal to 50 minutes and less than or equal to 70 minutes.
  • the heating unit 701 includes:
  • the heating subunit 7011 is configured to heat the liquid crystal panel placed on the heating device during the heating time.
  • the adjusting unit 702 as shown in FIG. 10, includes:
  • the first adjusting sub-unit 7021 is configured to adjust the position of the liquid crystal panel in the heating device by the at least one angle adjusting process according to the tilting angle during the heating process, and the absolute value of the angle of the liquid crystal panel and the heating device placing the plane after each adjustment
  • the absolute value of the tilt angle, and the sum of the angles of the at least two adjusted liquid crystal panels and the heating device placement plane is equal to zero.
  • the same tilt angle corresponds to the same heating duration.
  • the adjusting unit 702 may also include:
  • the second adjusting sub-unit 7022 is configured to adjust the position of the liquid crystal panel and the heating device placement plane by adjusting the length of the at least one telescopic motor telescoping during each angle adjustment, thereby adjusting the position of the liquid crystal panel in the heating device.
  • the obtaining unit 703, as shown in FIG. 12, may include:
  • the obtaining sub-unit 7031 is configured to determine an inclination angle of the liquid crystal panel according to a size of the first substrate and the second substrate, a size of the display unit in the first substrate and the second substrate.
  • the determining unit 704 may include:
  • the determining subunit 7041 is configured to determine a heating duration of the liquid crystal panel according to a size of the first substrate and the second substrate, a size of the display unit in the first substrate and the second substrate.
  • the adjustment unit in FIG. 8 can include the telescopic motor 4011, the telescopic motor 4021, the telescopic motor 4031, and the telescopic motor 4041 in FIG.
  • the strut 406; the fixing unit in FIG. 8 may include the strut 401, the strut in FIG. 402, the pillar 403 and the pillar 404 are fixed.
  • the heating device of the liquid crystal panel provided by the embodiment of the present invention adjusts the position of the liquid crystal panel in the heating device through at least one angle adjustment process during heating, thereby achieving multiple tilting heating of the liquid crystal panel.
  • the liquid crystal heating method of the liquid crystal panel the liquid crystal in the sealed space formed by the substrate is more fully and uniformly diffused, especially the liquid crystal at the edges and corners, and the liquid crystal pre-tilting effect of the alignment film under the liquid crystal is not easily affected. Therefore, the display quality of the liquid crystal panel is improved.

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Abstract

一种液晶面板（405）的制造方法及加热装置（70），所述液晶面板（405）包括第一基板（101）、第二基板（102）以及位于第一基板（101）与第二基板（102）之间的液晶，所述制造方法包括：对放置在加热装置（70）上的液晶面板（405）进行加热；在加热过程中，通过至少一个角度调整过程调整液晶面板（405）在加热装置（70）中的位置，至少一个角度调整过程包括：至少两次调整液晶面板（405）与加热装置（70）放置平面的角度，每次调整后的液晶面板（405）与加热装置（70）放置平面的角度的绝对值大于0，且至少两次调整后的液晶面板（405）与加热装置（70）放置平面的角度之和等于0。

Description

液晶面板的制造方法及加热装置 技术领域
本发明涉及显示技术领域，特别涉及一种液晶面板的制造方法及加热装置。
背景技术
液晶显示器是一种采用液晶材料的显示器。在电场作用下，液晶会发生排列上的变化，从而使通过液晶的光线变化，这种光线的变化通过偏光片的作用可以表现为明暗的变化。这样，通过对电场的控制最终控制了液晶显示器光线的明暗变化，达到显示图像的目的。液晶显示器的液晶面板由两个基板对盒形成一个密闭空间，通过液晶注入方式或液晶滴入方式向该密闭空间填充液晶。目前主要是通过液晶注入方法和液晶滴入方法来制造液晶面板，无论采用哪种方式填充液晶，均存在液晶在密闭空间内，特别是角落地方扩散不均，甚至无法扩散到角落的问题，这样就在宏观显示时出现明显色差，角落会有空白以及漏光发生，严重影响产品品质。为了使液晶分布均匀，通常需要在填充液晶后对液晶进行加热使液晶充分扩散。
现有技术中，将液晶面板放置于加热装置的水平支架上，使用热气流进行加热，加热温度高于液晶的清亮点，将液晶转变为液体状态，从而使液晶得到扩散。其中，使液晶变为透明状态的温度叫做液晶的清亮点。
但是由于加热装置中的支架均为水平式固定，随着液晶面板尺寸增大，特别是高世代线，整个基板的尺寸较大，在水平放置时，基板会在自身重力的作用下发生形变，产生凹凸形状。如图1所示，液晶面板包括第一基板101和第二基板102，以及位于第一基板101和第二基板102之间的液晶(图1未画出)，第一基板101和第二基板102相对而设。液晶面板在自身重力的作用下产生凹凸形状，在凹的位置103处的液晶偏多，而在凸的位置104处的液晶偏少，且边缘和角落处的液晶扩散的均匀度较低，液晶的流动性较差，最终导致液晶面板盒厚的均匀度较低，产生色差，并会影响液晶下配向膜对液晶的预倾作用，后期产生色差、响应时间差异等现象，特别是角落更难重复扩散，基板越大不均现象越明显，造成显示质量较差。
发明内容
为了解决液晶面板的显示质量较差的问题，本发明提供了一种液晶面板的制造方法及加热装置。所述技术方案如下：
根据一个方面，提供了一种液晶面板的制造方法，所述液晶面板包括第一基板、第二基板以及位于所述第一基板与所述第二基板之间的液晶，其特征在于，所述方法包括：
对放置在加热装置上的液晶面板进行加热；
在加热过程中，通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，所述至少一个角度调整过程包括：
至少两次调整所述液晶面板与所述加热装置放置平面的角度，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值大于0，且所述至少两次调整后的所述液晶面板与所述加热装置放置平面的角度之和等于0。
在一个示例中，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
获取所述液晶面板的倾斜角度；
确定所述液晶面板的加热时长。
在一个示例中，所述对放置在加热装置上的液晶面板进行加热，包括：
在所述加热时长中，对放置在所述加热装置上处于所述倾斜角度的液晶面板进行加热，其中所述液晶面板与所述加热装置放置平面的角度的绝对值为所述液晶面板的倾斜角度的绝对值。
在一个示例中，所述倾斜角度大于等于5°，且小于等于10°；
所述加热时长大于等于2分钟，且小于等于5分钟。
在一个示例中，所述加热装置内设置有多个用于固定所述液晶面板的支柱，每个所述支柱设置有一个伸缩马达，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
将所述液晶面板的边缘固定在所述加热装置的支柱上，使所述液晶面板与所述加热装置放置平面平行。
在一个示例中，所述通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，包括：
在每个所述角度调整过程中，通过调整至少一个所述伸缩马达伸缩的长度调整所述液晶面板与所述加热装置放置平面的角度，从而调整所述液晶面板在所述加热装置中的位置。
在一个示例中，所述获取所述液晶面板的倾斜角度，包括：
根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的倾斜角度；
所述确定所述液晶面板的加热时长，包括：
根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的加热时长。
在一个示例中，相同的倾斜角度对应的加热时长相同。
在一个示例中，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
在预设时长中，对放置在所述加热装置上的液晶面板进行预加热。
在一个示例中，所述预设时长大于等于50分钟，且小于等于70分钟。
根据本发明的另一方面，提供了一种液晶面板的加热装置，用于加热所述液晶面板的液晶，所述液晶面板包括第一基板、第二基板以及位于所述第一基板与所述第二基板之间的液晶，所述加热装置包括：
加热单元，用于对放置在加热装置上的液晶面板进行加热；
调整单元，用于在加热过程中，通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，所述至少一个角度调整过程包括：
至少两次调整所述液晶面板与所述加热装置放置平面的角度，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值大于0，且所述至少两次调整后的所述液晶面板与所述加热装置放置平面的角度之和等于0。
在一个示例中，所述加热装置还包括：
获取单元，用于获取所述液晶面板的倾斜角度；
确定单元，用于确定所述液晶面板的加热时长。
在一个示例中，所述加热单元包括
加热子单元，用于在所述加热时长中，对放置在所述加热装置上的液晶面板进行加热；
所述调整单元包括
第一调整子单元，用于在加热过程中，根据所述倾斜角度通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值为所述倾斜角度的绝对值，且所述至少两次调整后的 所述液晶面板与所述加热装置放置平面的角度之和等于0。
在一个示例中，所述倾斜角度大于等于5°，且小于等于10°；
所述加热时长大于等于2分钟，且小于等于5分钟。
在一个示例中，所述加热装置内设置有多个用于固定所述液晶面板的支柱，每个所述支柱设置有一个伸缩马达。
在一个示例中，加热装置还包括：
固定单元，用于将所述液晶面板的边缘固定在所述加热装置的支柱上，使所述液晶面板与所述加热装置放置平面平行。
在一个示例中，所述调整单元包括：
第二调整子单元，用于在每个所述角度调整过程中，通过调整至少一个所述伸缩马达伸缩的长度调整所述液晶面板与所述加热装置放置平面的角度，从而调整所述液晶面板在所述加热装置中的位置。
在一个示例中，所述获取单元包括获取子单元，用于根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的倾斜角度；
所述确定单元，包括确定子单元，用于根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的加热时长。
在一个示例中，相同的倾斜角度对应的加热时长相同。
在一个示例中，所述加热装置还包括：
预热单元，用于在预设时长中，对放置在所述加热装置上的液晶面板进行预加热。
在一个示例中，所述预设时长大于等于50分钟，且小于等于70分钟。本发明的实施例提供了一种液晶面板的制造方法及加热装置，使用该加热装置在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的液晶面板的制造时的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶(分子)的预倾作用，因此，提高了液晶面板的显示质量。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本发明。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例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的前提下，还可以根据这些附图获得其他的附图。
图1是现有的液晶面板的液晶分布的示意图；
图2是根据本发明实施例提供的一种液晶面板的制造方法的流程图；
图3是根据本发明实施例提供的另一种液晶面板的制造方法的流程图；
图4是根据本发明实施例提供的一种加热装置的结构示意图；
图5是根据本发明实施例提供的另一种加热装置的结构示意图；
图6是显示液晶面板在图4或5所显示的加热装置中倾斜设置的示意图；
图7是根据本发明实施例提供的又一种加热装置的方块示意图；
图8是根据本发明实施例提供的再一种加热装置的方块示意图；
图9是图8所示加热单元的变形例的方块示意图；
图10是图8所示的调整单元的变形例的方块示意图；
图11是图8所示的调整单元的另一变形例的方块示意图；
图12是图8所示的获取单元的变形例的方块示意图；
图13是图8所示的确定单元的变形例的方块示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地详细描述。
本发明的一个实施例提供了一种液晶面板的制造方法，所述液晶面板包括第一基板、第二基板以及位于第一基板与第二基板之间的液晶(分子)。如图2所示，该方法可以包括：
步骤201、对放置在加热装置上的液晶面板进行加热。
步骤202、在加热过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，至少一个角度调整过程包括：
至少两次调整液晶面板相对于加热装置放置平面的角度，每次调整后的液晶面 板与加热装置放置平面的角度的绝对值大于0，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。
综上所述，本发明实施例提供的液晶面板的制造方法，在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的液晶面板的制造时的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶的预倾作用，因此，提高了液晶面板的显示质量。
进一步的，在步骤201之前，该方法还可以包括：获取液晶面板的倾斜角度；确定液晶面板的加热时长。
步骤201可以包括：在加热时长中，对放置在加热装置上的液晶面板进行加热。
步骤202可以包括：在加热过程中，根据倾斜角度通过至少一个角度调整过程调整液晶面板在加热装置中的位置，每次调整后的液晶面板与加热装置放置平面的角度的绝对值为倾斜角度的绝对值，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。
可选的，倾斜角度大于等于5°，且小于等于10°；加热时长大于等于2分钟，且小于等于5分钟。
需要补充说明的是，加热装置放置平面指的是加热装置正常放置时的放置平面，通常为水平面。加热装置内设置有多个用于固定液晶面板的支柱，每个支柱设置有一个伸缩马达，在步骤201之前，该方法还可以包括：将液晶面板的边缘固定在加热装置的支柱上，使液晶面板与加热装置放置平面平行，即将液晶面板水平固定在加热装置上，且保持液晶面板的表面与所述水平面平行。
相应的，步骤202可以包括：在每个角度调整过程中，通过调整每个伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，从而调整液晶面板在加热装置中的位置。
可选的，获取液晶面板的倾斜角度包括：根据第一基板和第二基板的大小、第一基板和第二基板内的显示单元的大小确定液晶面板的倾斜角度。
确定液晶面板的加热时长包括：根据第一基板和第二基板的大小、第一基板和第二基板内的显示单元的大小确定液晶面板的加热时长。
可选的，相同的倾斜角度对应的加热时长相同。
在步骤201之前，该方法还可以包括：在预设时长中，对放置在加热装置上的 液晶面板进行加热。可选的，预设时长大于等于50分钟，且小于等于70分钟。
综上所述，本发明实施例提供的液晶面板的制造方法，在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的液晶面板的制造时的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶的预倾作用，因此，提高了液晶面板的显示质量。
本发明实施例提供了另一种液晶面板的制造方法，所述液晶面板包括第一基板、第二基板以及位于第一基板与第二基板之间的液晶。如图3所示，该方法可以包括：
步骤301、获取液晶面板的倾斜角度。
液晶面板的倾斜角度可以根据第一基板和第二基板大小，第一基板和第二基板内显示单元的大小进行确定，也可以根据基板的其他属性进行确定，本发明实施例对此不作限定。通常，所确定的液晶面板的倾斜角度大于等于5°，且小于等于10°。
步骤302、确定液晶面板的加热时长。
同样的，液晶面板的加热时长可以根据第一基板和第二基板大小，第一基板和第二基板内显示单元的大小进行确定，也可以根据基板的其他属性进行确定，本发明实施例对此不作限定。通常，加热时长大于等于2分钟，且小于等于5分钟。
示例的，液晶面板的基板大小为55英寸时，可以确定该液晶面板的加热时长为3分钟。步骤301和步骤302中的倾斜角度和加热时长也可以根据基板大小，基板内显示单元的大小进行优化配置。
步骤303、将液晶面板的边缘固定在加热装置的支柱上，使液晶面板与加热装置放置平面平行。
本发明实施例中用于加热液晶面板的液晶的加热装置内设置有多个用于固定液晶面板的支柱。示例的，可设置四个支柱。每个支柱设置有一个伸缩马达，如图4所示。图4显示出在还没有将液晶面板405放置在支架406(下文详述)上的情形。图4中的四个支柱分别为401、402、403和404。支柱401上设置有一个伸缩马达4011，支柱402上设置有一个伸缩马达4021，支柱403上设置有一个伸缩马达4031，支柱404上设置有一个伸缩马达4041。四个支柱上设置一支架406，该支架406由多个支杆组成，支杆在伸缩马达伸缩的作用下，使该支架406倾斜，继而使该支架406上的液晶面板倾斜。需要说明的是，图4示出的为单层加热装置，图4中的 加热装置内可以水平放置一个液晶面板并对其加热，也就是使液晶面板与加热装置放置平面平行。本发明实施例提供的液晶面板的制造方法也可以应用于多层加热装置中，如图5所示，图5中的加热装置设置有两个支架406，故可以水平放置两个液晶面板并对其加热，每层的四个支柱上都设置有伸缩马达，从而可以同时对两个液晶面板进行多次倾斜加热，达到使液晶更加均匀扩散的效果。鉴于图5大部分结构设置与图4相同，在此不再赘述。需要补充说明的是，固定在加热装置的支架上的液晶面板都是进行优化之后的产品，因此较易固定，不会带来管理和操作困难。
步骤304、在预设时长中，对放置在加热装置上的液晶面板进行预加热。
当液晶面板被平行固定在加热装置的支柱上后，在预设时长中对液晶面板进行预加热，以保证液晶面板上的封框胶受热而固化。示例的，预设时长大于等于50分钟，且小于等于70分钟。
步骤305、对放置在加热装置上的液晶面板进行加热。
步骤305具体可以包括：在加热时长中，对放置在加热装置上的液晶面板进行加热。
根据步骤302确定的液晶面板的加热时长，对放置在加热装置上的液晶面板进行加热。
步骤306、在加热过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置。
所述至少一个角度调整过程包括：至少两次调整液晶面板与加热装置放置平面的角度，每次调整后的液晶面板与加热装置放置平面的角度的绝对值大于0，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。
步骤306具体可以包括：在加热过程中，根据倾斜角度通过至少一个角度调整过程调整液晶面板在加热装置中的位置，每次调整后的液晶面板与加热装置放置平面的角度的绝对值为倾斜角度的绝对值，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。调整液晶面板在加热装置中的位置，使液晶面板与加热装置放置平面平行。可选的，相同的倾斜角度对应的加热时长相同。
结合图4所示的加热装置的结构示意图，步骤306对应可以包括：在每个角度调整过程中，通过调整每个伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，从而调整液晶面板在加热装置中的位置。
倾斜角度为步骤301获取的角度，加热时长为步骤302确定的时长。假设图4中当前被加热的液晶面板对应的倾斜角度为8°和-8°，加热时长为3分钟，则在加 热过程中，根据倾斜角度通过至少一个角度调整过程调整液晶面板在加热装置中的位置，每次调整后的液晶面板与加热装置放置平面的角度的绝对值为倾斜角度的绝对值，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0的一种可实现方式为：使支柱401上的伸缩马达4011，及支柱402上的伸缩马达4021同时升起，通过调整伸缩马达伸缩的长度调整液晶面板405与加热装置放置平面(水平面)W的角度，使倾斜角度α等于8°(即相对于加热装置放置平面顺时针旋转的角度为正的角度)，如图6所示。保持加热时长为3分钟，使得基板上的液晶往低处即支柱403和支柱404方向扩散；接着再将支柱403上的伸缩马达4031，及支柱404上的伸缩马达4041同时升起，通过调整伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于-8°(即相对于加热装置放置平面逆时针旋转的角度为负的角度)，保持加热时长为3分钟，使得基板上的液晶往支柱401和支柱402方向扩散；然后使支柱402上的伸缩马达4021，及支柱403上的伸缩马达4031同时升起，通过调整伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于8°，保持加热时长为3分钟，使得基板上的液晶往支柱401和支柱404方向扩散；再使支柱401上的伸缩马达4011，及支柱404上的伸缩马达4041同时升起，通过调整伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于-8°，保持加热时长为3分钟，使得基板上的液晶往支柱402和支柱403方向扩散；最后调整液晶面板在加热装置中的位置，使液晶面板与加热装置放置平面平行。至此，完成一个角度调整过程。
如图4所示，假设当前被加热的液晶面板对应的倾斜角度为8°和-8°，加热时长为3分钟，则在加热过程中，根据倾斜角度通过至少一个角度调整过程调整液晶面板在加热装置中的位置，每次调整后的液晶面板与加热装置放置平面的角度的绝对值为倾斜角度的绝对值，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0的另一种可实现方式为：
(1)使支柱401上的伸缩马达4011升起，通过调整伸缩马达4011伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于8°，保持加热时长为3分钟，使得基板上的液晶往支柱403方向扩散(此时需要说明的是，在这种情况下为了保持液晶面板405的整体的平稳性，可以适当地根据需要调整伸缩马达4021、4041的高度)；然后使支柱403上的伸缩马达4031升起，通过调整伸缩马达4031的伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于-8°，保持加热时长为3分钟，使得基板上的液晶往支柱401方向扩散(此时需要说明的是，在 这种情况下为了保持液晶面板405的整体的平稳性，可以适当地根据需要调整伸缩马达4021、4041的高度)；
(2)接着使支柱402上的伸缩马达4021升起，通过调整伸缩马达4021伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于8°，保持加热时长为3分钟，使得基板上的液晶往支柱404方向扩散(此时需要说明的是，在这种情况下为了保持液晶面板405的整体的平稳性，可以适当地根据需要调整伸缩马达4011、4031的高度)；再使支柱404上的伸缩马达4041升起，通过调整伸缩马达4041伸缩的长度调整液晶面板与加热装置放置平面的角度，使倾斜角度α等于-8°，保持加热时长为3分钟，使得基板上的液晶往支柱402方向扩散(此时需要说明的是，在这种情况下为了保持液晶面板405的整体的平稳性，可以适当地根据需要调整伸缩马达4011、4031的高度)。最后调整液晶面板在加热装置中的位置，使液晶面板与加热装置放置平面平行。至此，完成一个角度调整过程。
当然，还可以根据液晶在液晶面板中的分布情况决定上述角度调整过程的次数，以多次进行调整实现最佳的液晶分布。
需要补充说明的是，本发明实施例提供的液晶面板的制造方法对液晶加热时的倾斜方式可以有多种。示例的，可以使两个相邻支柱上的伸缩马达同时升起，也可以使三个相邻支柱上的伸缩马达同时升起，倾斜方式可以根据产品在基板上排布不同进行选择。再者，倾斜方式可以通过在加热设备即加热装置上进行编程来实现，程序编号为1～n，n为可实现的最大倾斜数。本发明实施例对此不做限定。同时为了保证液晶面板中基板上的液晶更加均匀扩散，可以进行多个角度调整过程，具体的角度调整过程的个数可以根据实际需求确定。
需要补充说明的是，在一种情形，液晶面板的第一基板可以为彩膜基板，第二基板可以为阵列基板；在另一种情形中，液晶面板的第一基板可以为阵列基板，第二基板可以为彩膜基板。
基板内侧具有沟槽结构，并附着配向膜，因此，如果基板形成的密闭空间内的液晶扩散不均匀，则会影响液晶下配向膜对液晶的预倾作用。而本发明实施例提供的液晶面板的制造方法能够使液晶扩散得更充分，更均匀，尤其是边缘和角落位置的液晶，液晶面板盒厚的均匀度较高，不易影响液晶下配向膜对液晶的预倾作用，后期也较少出现色差、响应时间差异等现象。
需要说明的是，本发明实施例提供的液晶面板的制造方法步骤的先后顺序可以进行适当调整，步骤也可以根据情况进行相应增减，任何熟悉本技术领域的技术人员 在本发明揭露的技术范围内，可轻易想到变化的方法，都应涵盖在本发明的保护范围之内，因此不再赘述。
综上所述，本发明实施例提供的液晶面板的制造方法，在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的液晶面板的制造时的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶的预倾作用，因此，提高了液晶面板的显示质量。
如图6所示，可以看做成相对于加热装置放置平面(即水平面W)以顺时针方向向上升起液晶面板405的图示的左端，此时形成的角度α认为是正的角度；相应地，如果加热装置放置平面(即水平面W)以逆时针方向向上升起液晶面板405的图示的右端，此时形成的角度α认为是负的角度。例如，图6所示的角度α为8°。
本发明实施例提供了一种液晶面板的加热装置70，用于加热液晶面板的液晶，液晶面板包括第一基板、第二基板以及位于第一基板与第二基板之间的液晶。如图7所示，该加热装置70包括：
加热单元701，用于对放置在加热装置上的液晶面板进行加热。
调整单元702，用于在加热过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，所述至少一个角度调整过程包括：至少两次调整液晶面板与加热装置放置平面的角度，每次调整后的液晶面板与加热装置放置平面的角度的绝对值大于0，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。
综上所述，本发明实施例提供的液晶面板的加热装置，在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的加热装置对液晶面板的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶的预倾作用，因此，提高了液晶面板的显示质量。
本发明实施例提供了另一种用于液晶面板的加热装置70，用于加热液晶面板的液晶，液晶面板包括第一基板、第二基板以及位于第一基板与所述第二基板之间的液晶。如图8所示，该加热装置70包括：
加热单元701，用于对放置在加热装置上的液晶面板进行加热。
调整单元702，用于在加热过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，所述至少一个角度调整过程包括：至少两次调整液晶面板与加热 装置放置平面的角度，每次调整后的液晶面板与加热装置放置平面的角度的绝对值大于0，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。
获取单元703，用于获取液晶面板的倾斜角度。可选的，倾斜角度大于等于5°，且小于等于10°。
确定单元704，用于确定液晶面板的加热时长。可选的，加热时长大于等于2分钟，且小于等于5分钟。
固定单元705，用于将液晶面板的边缘固定在加热装置的支柱上，使液晶面板与加热装置放置平面平行。
预热单元706，用于在预设时长中，对放置在加热装置上的液晶面板进行预加热。可选的，预设时长大于等于50分钟，且小于等于70分钟。
具体的，加热单元701，如图9所示，包括：
加热子单元7011，用于在加热时长中，对放置在加热装置上的液晶面板进行加热。
调整单元702，如图10所示，包括：
第一调整子单元7021，用于在加热过程中，根据倾斜角度通过至少一个角度调整过程调整液晶面板在加热装置中的位置，每次调整后的液晶面板与加热装置放置平面的角度的绝对值为倾斜角度的绝对值，且至少两次调整后的液晶面板与加热装置放置平面的角度之和等于0。可选的，相同的倾斜角度对应的加热时长相同。
调整单元702，如图11所示，也可以包括：
第二调整子单元7022，用于在每个角度调整过程中，通过调整至少一个伸缩马达伸缩的长度调整液晶面板与加热装置放置平面的角度，从而调整液晶面板在加热装置中的位置。
获取单元703，如图12所示，可以包括：
获取子单元7031，用于根据第一基板和第二基板的大小、第一基板和第二基板内的显示单元的大小确定液晶面板的倾斜角度。
确定单元704，如图13所示，可以包括：
确定子单元7041，用于根据第一基板和第二基板的大小、第一基板和第二基板内的显示单元的大小确定液晶面板的加热时长。
需要补充说明的是，图8中的单元可以参考图4所示的结构进行说明，如图8中的调整单元可以包括图4中的伸缩马达4011、伸缩马达4021、伸缩马达4031、伸缩马达4041和支杆406；图8中的固定单元可以将包括图4中的支柱401、支柱 402、支柱403和支柱404进行固定。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
综上所述，本发明实施例提供的液晶面板的加热装置，在加热的过程中，通过至少一个角度调整过程调整液晶面板在加热装置中的位置，实现对液晶面板多次倾斜加热，相较于现有的加热装置对液晶面板的液晶加热方式，基板形成的密闭空间内的液晶扩散得更充分更均匀，尤其是边缘和角落处的液晶，不易影响液晶下配向膜对液晶的预倾作用，因此，提高了液晶面板的显示质量。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (21)

  1. 一种液晶面板的制造方法，所述液晶面板包括第一基板、第二基板以及位于所述第一基板与所述第二基板之间的液晶，其特征在于，所述方法包括：
    对放置在加热装置上的液晶面板进行加热；
    在加热过程中，通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，所述至少一个角度调整过程包括：
    至少两次调整所述液晶面板与所述加热装置放置平面的角度，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值大于0，且所述至少两次调整后的所述液晶面板与所述加热装置放置平面的角度之和等于0。
  2. 根据权利要求1所述的方法，其特征在于，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
    获取所述液晶面板的倾斜角度；
    确定所述液晶面板的加热时长。
  3. 根据权利要求2所述的方法，其特征在于，
    所述对放置在加热装置上的液晶面板进行加热，包括：
    在所述加热时长中，对放置在所述加热装置上处于所述倾斜角度的液晶面板进行加热，其中所述液晶面板与所述加热装置放置平面的角度的绝对值为所述液晶面板的倾斜角度的绝对值。
  4. 根据权利要求2所述的方法，其特征在于，
    所述倾斜角度大于等于5°，且小于等于10°；
    所述加热时长大于等于2分钟，且小于等于5分钟。
  5. 根据权利要求1所述的方法，其特征在于，所述加热装置内设置有多个用于固定所述液晶面板的支柱，每个所述支柱设置有一个伸缩马达，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
    将所述液晶面板的边缘固定在所述加热装置的支柱上，使所述液晶面板与所述加热装置放置平面平行。
  6. 根据权利要求5所述的方法，其特征在于，所述通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，包括：
    在每个所述角度调整过程中，通过调整至少一个所述伸缩马达伸缩的长度调整所述液晶面板与所述加热装置放置平面的角度，从而调整所述液晶面板在所述加热装置中的位置。
  7. 根据权利要求2所述的方法，其特征在于，
    所述获取所述液晶面板的倾斜角度，包括：
    根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的倾斜角度；
    所述确定所述液晶面板的加热时长，包括：
    根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的加热时长。
  8. 根据权利要求7所述的方法，其特征在于，相同的倾斜角度对应的加热时长相同。
  9. 根据权利要求1至8中任一项权利要求所述的方法，其特征在于，在所述对放置在加热装置上的液晶面板进行加热之前，所述方法还包括：
    在预设时长中，对放置在所述加热装置上的液晶面板进行预加热。
  10. 根据权利要求9所述的方法，其特征在于，
    所述预设时长大于等于50分钟，且小于等于70分钟。
  11. 一种液晶面板的加热装置，用于加热所述液晶面板的液晶，所述液晶面板包括第一基板、第二基板以及位于所述第一基板与所述第二基板之间的液晶，其特征在于，所述加热装置包括：
    加热单元，用于对放置在加热装置上的液晶面板进行加热；
    调整单元，用于在加热过程中，通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，所述至少一个角度调整过程包括：
    至少两次调整所述液晶面板与所述加热装置放置平面的角度，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值大于0，且所述至少两次调整后的所述液晶面板与所述加热装置放置平面的角度之和等于0。
  12. 根据权利要求11所述的加热装置，其特征在于，所述加热装置还包括：
    获取单元，用于获取所述液晶面板的倾斜角度；
    确定单元，用于确定所述液晶面板的加热时长。
  13. 根据权利要求11所述的加热装置，其特征在于，
    所述加热单元包括
    加热子单元，用于在所述加热时长中，对放置在所述加热装置上的液晶面板进行加热；
    所述调整单元包括
    第一调整子单元，用于在加热过程中，根据所述倾斜角度通过至少一个角度调整过程调整液晶面板在所述加热装置中的位置，每次调整后的所述液晶面板与所述加热装置放置平面的角度的绝对值为所述倾斜角度的绝对值，且所述至少两次调整后的所述液晶面板与所述加热装置放置平面的角度之和等于0。
  14. 根据权利要求12所述的加热装置，其特征在于，
    所述倾斜角度大于等于5°，且小于等于10°；
    所述加热时长大于等于2分钟，且小于等于5分钟。
  15. 根据权利要求11所述的加热装置，其特征在于，所述加热装置内设置有多个用于固定所述液晶面板的支柱，每个所述支柱设置有一个伸缩马达。
  16. 根据权利要求15所述的加热装置，还包括：
    固定单元，用于将所述液晶面板的边缘固定在所述加热装置的支柱上，使所述 液晶面板与所述加热装置放置平面平行。
  17. 根据权利要求15所述的加热装置，其特征在于，所述调整单元包括：
    第二调整子单元，用于在每个所述角度调整过程中，通过调整至少一个所述伸缩马达伸缩的长度调整所述液晶面板与所述加热装置放置平面的角度，从而调整所述液晶面板在所述加热装置中的位置。
  18. 根据权利要求12所述的加热装置，其特征在于，
    所述获取单元包括获取子单元，用于根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的倾斜角度；
    所述确定单元包括确定子单元，用于根据所述第一基板和所述第二基板的大小、所述第一基板和所述第二基板内的显示单元的大小确定所述液晶面板的加热时长。
  19. 根据权利要求18所述的加热装置，其特征在于，相同的倾斜角度对应的加热时长相同。
  20. 根据权利要求11至19中任一项权利要求所述的加热装置，还包括：
    预热单元，用于在预设时长中，对放置在所述加热装置上的液晶面板进行预加热。
  21. 根据权利要求20所述的加热装置，其特征在于，
    所述预设时长大于等于50分钟，且小于等于70分钟。
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