WO2020119080A1 - Ultraviolet irradiation device used for liquid crystal alignment - Google Patents

Ultraviolet irradiation device used for liquid crystal alignment Download PDF

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Publication number
WO2020119080A1
WO2020119080A1 PCT/CN2019/093523 CN2019093523W WO2020119080A1 WO 2020119080 A1 WO2020119080 A1 WO 2020119080A1 CN 2019093523 W CN2019093523 W CN 2019093523W WO 2020119080 A1 WO2020119080 A1 WO 2020119080A1
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Prior art keywords
horizontal plane
direction line
projection
liquid crystal
irradiation device
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PCT/CN2019/093523
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French (fr)
Chinese (zh)
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赵仁堂
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深圳市华星光电半导体显示技术有限公司
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Publication of WO2020119080A1 publication Critical patent/WO2020119080A1/en

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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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation

Definitions

  • the invention relates to the field of display, in particular to an ultraviolet irradiation device for liquid crystal alignment.
  • PS-VA Polymer stabilized vertical alignment
  • TFT-LCD thin film transistor liquid crystal displays
  • the PS-VA cell-forming process includes a liquid crystal curing (LC curing) step.
  • the liquid crystal contains reactive monomers.
  • RM reactive monomers
  • the synergistic effect of voltage makes the liquid crystal form a pretilt angle. This process is called UV alignment.
  • the UV alignment of the liquid crystal is realized by the UV irradiation machine.
  • the main characteristic that affects the quality of the panel is the uniformity of illuminance.
  • the uniformity of illuminance is relatively poor, the difference in illuminance at each position of the panel is large, so the difference in pretilt angle is large, and the panel is prone to display defects.
  • the ultraviolet irradiation machine used for ultraviolet alignment in the industry is mainly in the form of a chamber, and the lamp tubes are arranged in parallel in a chamber. Due to the strong illuminance directly below each lamp, the illuminance at the position between the two lamps is weak, resulting in a regular intensity distribution of ultraviolet radiation on the panel, resulting in a regular LCD pre-tilt angle The size distribution, the panel is prone to regular display differences, and the UV alignment process margin is also relatively small.
  • the main object of the present invention is to provide an ultraviolet irradiation device for liquid crystal alignment, which can improve the uniformity of ultraviolet irradiation, thereby reducing the panel defect rate and improving the process margin.
  • the present invention provides an ultraviolet irradiation device for liquid crystal alignment, comprising: a carrier for providing a panel; and a number of ultraviolet lamps arranged above the carrier and Located on a first horizontal plane and a second horizontal plane at different heights;
  • the ultraviolet lamp tube includes a plurality of lower lamp tubes and a plurality of upper lamp tubes, and the lower lamp tubes are arranged in parallel on the first horizontal plane;
  • the upper lamp tubes are arranged in parallel on the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes; the first horizontal plane and a first The distance between the two horizontal planes is between 1 cm and 90 cm.
  • the lower lamp tube includes a plurality of first lower lamp tubes and a second lower lamp tube, wherein the first lower lamp tubes are arranged at intervals along a first direction line; the second The lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each second lower tube is located at the The projection on the first direction line is between two adjacent first lower lamps.
  • the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
  • the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
  • the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is the second direction line in the first The projection line on the second horizontal plane.
  • each first upper lamp tube on the first horizontal plane is between two adjacent first lower lamp tubes; each of the second upper lamp tubes The projection on the first horizontal plane is between two adjacent second lower lamps; the projection of each first upper lamp tube on the first horizontal plane corresponds to a corresponding second lower lamp
  • the tubes are located on the same straight line; the projection of each second upper lamp tube on the first horizontal plane is on the same straight line as a corresponding first lower lamp tube.
  • the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
  • the invention also provides another ultraviolet irradiation device for liquid crystal alignment, including:
  • ultraviolet lamp tubes are arranged above the bearing seat and located on a first horizontal plane and a second horizontal plane at different heights.
  • the ultraviolet lamp tube includes a plurality of lower lamp tubes and a plurality of upper lamp tubes, the lower lamp tubes are arranged in parallel at intervals on the first horizontal plane; the upper lamp tubes are arranged in parallel intervals On the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes.
  • the lower lamp tube includes a plurality of first lower lamp tubes and a second lower lamp tube, wherein the first lower lamp tubes are arranged at intervals along a first direction line; the second The lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each second lower tube is located at the The projection on the first direction line is between two adjacent first lower lamps.
  • the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
  • the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
  • the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is the second direction line in the first The projection line on the second horizontal plane.
  • each first upper lamp tube on the first horizontal plane is between two adjacent first lower lamp tubes; each of the second upper lamp tubes The projection on the first horizontal plane is between two adjacent second lower lamps; the projection of each first upper lamp tube on the first horizontal plane corresponds to a corresponding second lower lamp
  • the tubes are located on the same straight line; the projection of each second upper lamp tube on the first horizontal plane is on the same straight line as a corresponding first lower lamp tube.
  • the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
  • the distance between the first horizontal plane and a second horizontal plane is between 1 cm and 90 cm.
  • the present invention is mainly to arrange the ultraviolet lamp tube on at least two horizontal planes with different heights, wherein the low illuminance area between the lamp tubes located on the lower horizontal plane is compensated by the illuminance of the lamp tubes located on the higher horizontal plane , So that the ultraviolet light received by the entire panel is uniform, thereby reducing the defect rate of the panel and improving the process margin.
  • FIG. 1 is a schematic structural diagram of an ultraviolet irradiation device for liquid crystal alignment according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a bottom view angle of the arrangement of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the invention.
  • FIG. 3 is a schematic diagram of illuminance compensation of an ultraviolet lamp of an ultraviolet irradiation device according to an embodiment of the invention.
  • FIG. 4 is a schematic diagram of a viewing angle of an ultraviolet lamp tube configuration of an ultraviolet irradiation device for liquid crystal alignment in another embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of an ultraviolet irradiation device for liquid crystal alignment according to an embodiment of the present invention.
  • the ultraviolet irradiation device for liquid crystal alignment mainly includes a carrier 1 and several ultraviolet lamps 3.
  • the ultraviolet irradiation device further includes a chamber 9, and the carrier 1 and the ultraviolet lamp tube 3 can be disposed in the chamber 9.
  • the carrier 1 is used to provide a panel 2 for receiving UV alignment treatment.
  • FIG. 2 is a schematic diagram of the configuration of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the present invention.
  • the plurality of ultraviolet lamp tubes 3 are disposed above the carrier 1 and located on a first horizontal plane H1 and a second horizontal plane H2 at different heights.
  • the ultraviolet lamp tube 3 includes a plurality of lower lamp tubes 31 and a plurality of upper lamp tubes 32, and the lower lamp tubes 31 are arranged in parallel on the first horizontal plane H1 at intervals;
  • the upper lamp tubes 32 are arranged in parallel on the second horizontal plane H2, and the projection 32' of each upper lamp tube 32 on the first horizontal plane H2 is located between two adjacent lower lamp tubes 31.
  • FIG. 3 is a schematic diagram of illuminance compensation of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the invention.
  • the lower lamp tube 31 located on the first horizontal plane H1 provides ultraviolet light irradiation to the panel 2 at a closer distance, and is located on the upper of the second horizontal plane H2
  • the lamp tube 32 further provides compensated ultraviolet light irradiation between every two adjacent lower lamp tubes 31, so that the panel 2 can be uniformly irradiated with ultraviolet light during the ultraviolet light alignment process, thereby improving ultraviolet light Yield of alignment process.
  • the configuration of the above-mentioned ultraviolet lamp tube is not limited to the embodiment shown in FIG. 2.
  • the ultraviolet lamp tubes located on the same horizontal plane may be divided into at least two or more groups.
  • FIG. 4 is a schematic diagram of a viewing angle of an ultraviolet lamp tube configuration of an ultraviolet irradiation device for liquid crystal alignment ultraviolet irradiation according to another embodiment of the present invention.
  • the lower lamp tube 31 includes a plurality of first lower lamp tubes 310 and second lower lamp tubes 311, wherein the first lower lamp tubes 310 are arranged at intervals along a first direction line D1;
  • the second lower lamps 311 are arranged at intervals along a second direction line D2; the first direction line D1 and the second direction line D2 are located on the first horizontal plane H1, parallel to each other and separated by a predetermined distance, wherein, such as As shown in FIG. 4, the projection of each second lower lamp 311 on the first direction line D1 is between two adjacent first lower lamps 310.
  • the upper lamp tube 32 also includes a plurality of first upper lamp tubes 320 and second upper lamp tubes 321, wherein the first upper lamp tubes 320 are arranged at intervals along a third direction line D3;
  • the second upper lamps 321 are arranged at intervals along a fourth direction line D4;
  • the third direction line D3 and the fourth direction line D4 are located in the second horizontal plane H2, parallel to each other and at a predetermined distance; each The projection of the second upper lamp 321 on the third direction line D3 is between two adjacent first upper lamps 320.
  • each first upper lamp tube 320 on the first horizontal plane H1 is between two adjacent first lower lamp tubes 310; each second upper lamp tube 321 is located at The projection of the first horizontal plane H1 is located between two adjacent second lower lamp tubes 311.
  • each first upper lamp tube 320 on the first horizontal plane H1 is on the same straight line as a corresponding second lower lamp tube 311; each of the second upper lamps The projection of the tube 321 on the first horizontal plane H1 is on the same straight line as the corresponding first lower lamp tube 310.
  • the third direction line D3 is the projection line of the first direction line D1 on the second horizontal plane H2;
  • the fourth direction line D4 is the second direction line D2 in the first The projection line on the second horizontal plane H2.
  • the predetermined distance between the first direction line D1 and the second direction line D2 is less than or equal to the length of one lower lamp tube 31.
  • the distance between the first horizontal plane H1 and a second horizontal plane H2, that is, the distance between the lower lamp tube 31 and the upper lamp tube 32 may be between 1 cm to 90 cm.
  • the present invention mainly arranges the ultraviolet lamp tube on at least two horizontal planes with different heights, wherein the area with low illuminance between the lamp tubes on the lower horizontal plane passes through the height
  • the illuminance of the lamp tube at a higher level is compensated, so that the illuminance received by the entire panel is uniform, thereby reducing the defect rate of the panel and improving the process margin.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Liquid Crystal (AREA)

Abstract

Provided is an ultraviolet irradiation device used for liquid crystal alignment, comprising: a holding base (1) and a plurality of ultraviolet lamp tubes (3). The plurality of ultraviolet lamp tubes (3) is arranged above the holding base (1) and is located on a first horizontal plane (H1) and a second horizontal plane (H2) at different heights. The ultraviolet irradiation device improves the uniformity of ultraviolet irradiation, thus reducing the panel defect rate and increasing the process margin.

Description

用于液晶配向的紫外线照射装置Ultraviolet irradiation device for liquid crystal alignment 技术领域Technical field
本发明涉及显示领域，特别是涉及一种用于液晶配向的紫外线照射装置。The invention relates to the field of display, in particular to an ultraviolet irradiation device for liquid crystal alignment.
背景技术Background technique
高分子聚合稳定型垂直配向(polymer stabilized vertical alignment, PS-VA )是薄膜晶体管液晶显示器(TFT-LCD)的一种液晶配向技术。PS-VA的成盒工艺包括一个液晶固化(LC curing)的步骤，液晶里包含有反应型单体，通过对基板照射紫外光的方式使液晶中的反应型单体(RM)发生反应，在电压的协同作用下使液晶形成预倾角，这一过程称为紫外配向。Polymer stabilized vertical alignment (PS-VA) is a liquid crystal alignment technology for thin film transistor liquid crystal displays (TFT-LCD). The PS-VA cell-forming process includes a liquid crystal curing (LC curing) step. The liquid crystal contains reactive monomers. By irradiating the substrate with ultraviolet light, the reactive monomers (RM) in the liquid crystal react. The synergistic effect of voltage makes the liquid crystal form a pretilt angle. This process is called UV alignment.
技术问题technical problem
液晶的紫外配向通过紫外线照射机来实现。对于紫外线照射机来说，其影响面板品质的主要特性是照度均齐度，当照度均齐度比较差时，面板各位置照度差异大，从而预倾角差异大，面板易产生显示缺陷。The UV alignment of the liquid crystal is realized by the UV irradiation machine. For the ultraviolet irradiator, the main characteristic that affects the quality of the panel is the uniformity of illuminance. When the uniformity of illuminance is relatively poor, the difference in illuminance at each position of the panel is large, so the difference in pretilt angle is large, and the panel is prone to display defects.
当前业界用于紫外配向的紫外线照射机主要是腔室(chamber)形式，灯管在一腔室内呈平行排列。由于每个灯管的正下方照度强，而处于两支灯管之间的位置的照度偏弱，导致紫外线照射在面板上会出现规律性的照度强弱分布，使得液晶预倾角也出现规律性大小分布，面板易出现规律性的显示差异，紫外配向的制程裕度(margin)也比较小。At present, the ultraviolet irradiation machine used for ultraviolet alignment in the industry is mainly in the form of a chamber, and the lamp tubes are arranged in parallel in a chamber. Due to the strong illuminance directly below each lamp, the illuminance at the position between the two lamps is weak, resulting in a regular intensity distribution of ultraviolet radiation on the panel, resulting in a regular LCD pre-tilt angle The size distribution, the panel is prone to regular display differences, and the UV alignment process margin is also relatively small.
故，有必要提供一种用于液晶配向的紫外线照射装置，以解决现有技术所存在的问题。Therefore, it is necessary to provide an ultraviolet irradiation device for liquid crystal alignment to solve the problems in the prior art.
技术解决方案Technical solution
有鉴于现有技术的缺点，本发明的主要目的在于提供一种用于液晶配向的紫外线照射装置，可以改善紫外线照射的均齐度，进而降低面板不良率和提高制程裕度。In view of the shortcomings of the prior art, the main object of the present invention is to provide an ultraviolet irradiation device for liquid crystal alignment, which can improve the uniformity of ultraviolet irradiation, thereby reducing the panel defect rate and improving the process margin.
为达成本发明的前述目的，本发明提供一种用于液晶配向的紫外线照射装置，包括：一承载座，用以提供放置一面板；以及数个紫外线灯管，配置于所述承载座上方且位于不同高度的一第一水平面和一第二水平面上；所述紫外线灯管包括多个下灯管和多个上灯管，所述下灯管平行间隔排列于所述第一水平面；所述上灯管平行间隔排列于所述第二水平面，且每一所述上灯管在所述第一水平面的投影位于相邻两个所述下灯管之间；所述第一水平面和一第二水平面之间的间距介于1厘米至90厘米。In order to achieve the aforementioned object of the present invention, the present invention provides an ultraviolet irradiation device for liquid crystal alignment, comprising: a carrier for providing a panel; and a number of ultraviolet lamps arranged above the carrier and Located on a first horizontal plane and a second horizontal plane at different heights; the ultraviolet lamp tube includes a plurality of lower lamp tubes and a plurality of upper lamp tubes, and the lower lamp tubes are arranged in parallel on the first horizontal plane; The upper lamp tubes are arranged in parallel on the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes; the first horizontal plane and a first The distance between the two horizontal planes is between 1 cm and 90 cm.
在本发明的一实施例中，所述下灯管包括多个第一下灯管与第二下灯管，其中所述第一下灯管沿一第一方向线间隔排列；所述第二下灯管沿一第二方向线间隔排列；所述第一方向线与所述第二方向线位于所述第一水平面，彼此平行且相距一预定距离；每一第二下灯管在所述第一方向线上的投影是位于相邻两个所述第一下灯管之间。In an embodiment of the invention, the lower lamp tube includes a plurality of first lower lamp tubes and a second lower lamp tube, wherein the first lower lamp tubes are arranged at intervals along a first direction line; the second The lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each second lower tube is located at the The projection on the first direction line is between two adjacent first lower lamps.
在本发明的一实施例中，所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。In an embodiment of the invention, the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
在本发明的一实施例中，所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。In an embodiment of the invention, the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
在本发明的一实施例中，所述第三方向线为所述第一方向线在所述第二水平面上的投影线；所述第四方向线为所述第二方向线在所述第二水平面上的投影线。In an embodiment of the present invention, the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is the second direction line in the first The projection line on the second horizontal plane.
在本发明的一实施例中，每一所述第一上灯管在所述第一水平面的投影位于相邻两个所述第一下灯管之间；每一所述第二上灯管在所述第一水平面的投影位于相邻两个所述第二下灯管之间；每一所述第一上灯管在所述第一水平面的投影与一对应的所述第二下灯管位于同一直线上；每一所述第二上灯管在所述第一水平面的投影与一对应的所述第一下灯管位于同一直线上。In an embodiment of the present invention, the projection of each first upper lamp tube on the first horizontal plane is between two adjacent first lower lamp tubes; each of the second upper lamp tubes The projection on the first horizontal plane is between two adjacent second lower lamps; the projection of each first upper lamp tube on the first horizontal plane corresponds to a corresponding second lower lamp The tubes are located on the same straight line; the projection of each second upper lamp tube on the first horizontal plane is on the same straight line as a corresponding first lower lamp tube.
在本发明的一实施例中，所述第一方向线与所述第二方向线之间的预定距离小于或等于一个所述下灯管的长度。In an embodiment of the invention, the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
本发明还提供另一种用于液晶配向的紫外线照射装置，包括：The invention also provides another ultraviolet irradiation device for liquid crystal alignment, including:
一承载座，用以提供放置一面板；以及A carrier for providing a panel; and
数个紫外线灯管，配置于所述承载座上方且位于不同高度的一第一水平面和一第二水平面上。Several ultraviolet lamp tubes are arranged above the bearing seat and located on a first horizontal plane and a second horizontal plane at different heights.
在本发明的一实施例中，所述紫外线灯管包括多个下灯管和多个上灯管，所述下灯管平行间隔排列于所述第一水平面；所述上灯管平行间隔排列于所述第二水平面，且每一所述上灯管在所述第一水平面的投影位于相邻两个所述下灯管之间。In an embodiment of the present invention, the ultraviolet lamp tube includes a plurality of lower lamp tubes and a plurality of upper lamp tubes, the lower lamp tubes are arranged in parallel at intervals on the first horizontal plane; the upper lamp tubes are arranged in parallel intervals On the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes.
在本发明的一实施例中，所述下灯管包括多个第一下灯管与第二下灯管，其中所述第一下灯管沿一第一方向线间隔排列；所述第二下灯管沿一第二方向线间隔排列；所述第一方向线与所述第二方向线位于所述第一水平面，彼此平行且相距一预定距离；每一第二下灯管在所述第一方向线上的投影是位于相邻两个所述第一下灯管之间。In an embodiment of the invention, the lower lamp tube includes a plurality of first lower lamp tubes and a second lower lamp tube, wherein the first lower lamp tubes are arranged at intervals along a first direction line; the second The lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each second lower tube is located at the The projection on the first direction line is between two adjacent first lower lamps.
在本发明的一实施例中，所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。In an embodiment of the invention, the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
在本发明的一实施例中，所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。In an embodiment of the invention, the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tubes are arranged at intervals along a third direction line; the second The upper lamp tubes are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each second upper lamp tube is located at the The projection on the third direction line is between two adjacent first upper lamps.
在本发明的一实施例中，所述第三方向线为所述第一方向线在所述第二水平面上的投影线；所述第四方向线为所述第二方向线在所述第二水平面上的投影线。In an embodiment of the present invention, the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is the second direction line in the first The projection line on the second horizontal plane.
在本发明的一实施例中，每一所述第一上灯管在所述第一水平面的投影位于相邻两个所述第一下灯管之间；每一所述第二上灯管在所述第一水平面的投影位于相邻两个所述第二下灯管之间；每一所述第一上灯管在所述第一水平面的投影与一对应的所述第二下灯管位于同一直线上；每一所述第二上灯管在所述第一水平面的投影与一对应的所述第一下灯管位于同一直线上。In an embodiment of the present invention, the projection of each first upper lamp tube on the first horizontal plane is between two adjacent first lower lamp tubes; each of the second upper lamp tubes The projection on the first horizontal plane is between two adjacent second lower lamps; the projection of each first upper lamp tube on the first horizontal plane corresponds to a corresponding second lower lamp The tubes are located on the same straight line; the projection of each second upper lamp tube on the first horizontal plane is on the same straight line as a corresponding first lower lamp tube.
在本发明的一实施例中，所述第一方向线与所述第二方向线之间的预定距离小于或等于一个所述下灯管的长度。In an embodiment of the invention, the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
在本发明的一实施例中，所述第一水平面和一第二水平面之间的间距介于1厘米至90厘米。In an embodiment of the invention, the distance between the first horizontal plane and a second horizontal plane is between 1 cm and 90 cm.
有益效果Beneficial effect
本发明主要是将紫外线灯管配置于至少两个不同高度的水平面上，其中位于高度较低的水平面的灯管之间的照度偏低区域通过位于高度较高的水平面的灯管的照度来补偿，从而使得整个面板接受到的紫外光照度达到均匀，进而降低面板不良率和提高制程裕度。The present invention is mainly to arrange the ultraviolet lamp tube on at least two horizontal planes with different heights, wherein the low illuminance area between the lamp tubes located on the lower horizontal plane is compensated by the illuminance of the lamp tubes located on the higher horizontal plane , So that the ultraviolet light received by the entire panel is uniform, thereby reducing the defect rate of the panel and improving the process margin.
附图说明BRIEF DESCRIPTION
图1是本发明一实施例的用于液晶配向的紫外线照射装置的结构示意图。FIG. 1 is a schematic structural diagram of an ultraviolet irradiation device for liquid crystal alignment according to an embodiment of the present invention.
图2是本发明一实施例的紫外线照射装置的紫外线灯管配置的仰视角度的示意图。FIG. 2 is a schematic diagram of a bottom view angle of the arrangement of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the invention.
图3是本发明一实施例的紫外线照射装置的紫外线灯管的照度补偿的示意图。3 is a schematic diagram of illuminance compensation of an ultraviolet lamp of an ultraviolet irradiation device according to an embodiment of the invention.
图4是本发明另一实施例的用于液晶配向的紫外线照射装置的紫外线灯管配置的仰视角度的示意图。FIG. 4 is a schematic diagram of a viewing angle of an ultraviolet lamp tube configuration of an ultraviolet irradiation device for liquid crystal alignment in another embodiment of the present invention.
本发明的实施方式Embodiments of the invention
为让本发明上述目的、特征及优点更明显易懂，下文特举本发明较佳实施例，并配合附图，作详细说明如下。再者，本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。In order to make the above objects, features and advantages of the present invention more obvious and understandable, the preferred embodiments of the present invention are described below in conjunction with the drawings, which are described in detail below. Furthermore, the directional terms mentioned in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., Just refer to the directions of the attached drawings. Therefore, the directional terminology is used to illustrate and understand the present invention, not to limit the present invention.
请参考图1所示，图1是本发明一实施例的用于液晶配向的紫外线照射装置的结构示意图。所述用于液晶配向的紫外线照射装置主要包括一承载座1及数个紫外线灯管3。在一实施例中，所述紫外线照射装置还包括一腔室9，所述承载座1及紫外线灯管3可以配置于所述腔室9内。Please refer to FIG. 1, which is a schematic structural diagram of an ultraviolet irradiation device for liquid crystal alignment according to an embodiment of the present invention. The ultraviolet irradiation device for liquid crystal alignment mainly includes a carrier 1 and several ultraviolet lamps 3. In an embodiment, the ultraviolet irradiation device further includes a chamber 9, and the carrier 1 and the ultraviolet lamp tube 3 can be disposed in the chamber 9.
如图1所示，所述承载座1用以提供放置一面板2，以接受紫外线配向处理。As shown in FIG. 1, the carrier 1 is used to provide a panel 2 for receiving UV alignment treatment.
进一步参考图2所示，图2是本发明一实施例的紫外线照射装置的紫外线灯管配置示意图。如图1和图2所示，所述数个紫外线灯管3是配置于所述承载座1上方且位于不同高度的一第一水平面H1和一第二水平面H2上。具体而言，如图1所示，所述紫外线灯管3包括多个下灯管31和多个上灯管32，所述下灯管31平行间隔排列于所述第一水平面H1；所述上灯管32平行间隔排列于所述第二水平面H2，且每一所述上灯管32在所述第一水平面H2的投影32’位于相邻两个所述下灯管31之间。Further referring to FIG. 2, FIG. 2 is a schematic diagram of the configuration of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the present invention. As shown in FIGS. 1 and 2, the plurality of ultraviolet lamp tubes 3 are disposed above the carrier 1 and located on a first horizontal plane H1 and a second horizontal plane H2 at different heights. Specifically, as shown in FIG. 1, the ultraviolet lamp tube 3 includes a plurality of lower lamp tubes 31 and a plurality of upper lamp tubes 32, and the lower lamp tubes 31 are arranged in parallel on the first horizontal plane H1 at intervals; The upper lamp tubes 32 are arranged in parallel on the second horizontal plane H2, and the projection 32' of each upper lamp tube 32 on the first horizontal plane H2 is located between two adjacent lower lamp tubes 31.
请进一步参考图3所示，图3是本发明一实施例的紫外线照射装置的紫外线灯管的照度补偿的示意图。本发明的紫外线照射装置运作时，位于所述第一水平面H1的所述下灯管31提供对面板2较近距离的紫外光照射，而位于较高的所述第二水平面H2的所述上灯管32则在每两相邻的所述下灯管31之间的间隔进一步提供补偿的紫外光照射，使面板2在紫外光配向工艺过程中能够受到均匀的紫外光照射，进而改善紫外光配向工艺的良率。Please further refer to FIG. 3, which is a schematic diagram of illuminance compensation of the ultraviolet lamp of the ultraviolet irradiation device according to an embodiment of the invention. When the ultraviolet irradiation device of the present invention is in operation, the lower lamp tube 31 located on the first horizontal plane H1 provides ultraviolet light irradiation to the panel 2 at a closer distance, and is located on the upper of the second horizontal plane H2 The lamp tube 32 further provides compensated ultraviolet light irradiation between every two adjacent lower lamp tubes 31, so that the panel 2 can be uniformly irradiated with ultraviolet light during the ultraviolet light alignment process, thereby improving ultraviolet light Yield of alignment process.
上述紫外线灯管的配置并不限于图2所示的实施例，在其他实施例中，位于同一水平面的紫外线灯管可以是分成至少两个以上的群组。The configuration of the above-mentioned ultraviolet lamp tube is not limited to the embodiment shown in FIG. 2. In other embodiments, the ultraviolet lamp tubes located on the same horizontal plane may be divided into at least two or more groups.
例如，请进一步参考图4所示，图4是本发明另一实施例的用于液晶配向的紫外线照射装置的紫外线灯管配置的仰视角度的示意图。在本实施例中，所述下灯管31包括多个第一下灯管310与第二下灯管311，其中所述第一下灯管310沿一第一方向线D1间隔排列；所述第二下灯管311沿一第二方向线D2间隔排列；所述第一方向线D1与所述第二方向线D2位于所述第一水平面H1，彼此平行且相距一预定距离，其中，如图4所示，每一第二下灯管311在所述第一方向线D1上的投影是位于相邻两个所述第一下灯管310之间。For example, please further refer to FIG. 4, which is a schematic diagram of a viewing angle of an ultraviolet lamp tube configuration of an ultraviolet irradiation device for liquid crystal alignment ultraviolet irradiation according to another embodiment of the present invention. In this embodiment, the lower lamp tube 31 includes a plurality of first lower lamp tubes 310 and second lower lamp tubes 311, wherein the first lower lamp tubes 310 are arranged at intervals along a first direction line D1; The second lower lamps 311 are arranged at intervals along a second direction line D2; the first direction line D1 and the second direction line D2 are located on the first horizontal plane H1, parallel to each other and separated by a predetermined distance, wherein, such as As shown in FIG. 4, the projection of each second lower lamp 311 on the first direction line D1 is between two adjacent first lower lamps 310.
如图4所示，所述上灯管32也包括多个第一上灯管320与第二上灯管321，其中所述第一上灯管320沿一第三方向线D3间隔排列；所述第二上灯管321沿一第四方向线D4间隔排列；所述第三方向线D3与所述第四方向线D4位于所述第二水平面H2，彼此平行且相距一预定距离；每一第二上灯管321在所述第三方向线D3上的投影是位于相邻两个所述第一上灯管320之间。As shown in FIG. 4, the upper lamp tube 32 also includes a plurality of first upper lamp tubes 320 and second upper lamp tubes 321, wherein the first upper lamp tubes 320 are arranged at intervals along a third direction line D3; The second upper lamps 321 are arranged at intervals along a fourth direction line D4; the third direction line D3 and the fourth direction line D4 are located in the second horizontal plane H2, parallel to each other and at a predetermined distance; each The projection of the second upper lamp 321 on the third direction line D3 is between two adjacent first upper lamps 320.
再者，每一所述第一上灯管320在所述第一水平面H1的投影位于相邻两个所述第一下灯管310之间；每一所述第二上灯管321在所述第一水平面H1的投影位于相邻两个所述第二下灯管311之间。Furthermore, the projection of each first upper lamp tube 320 on the first horizontal plane H1 is between two adjacent first lower lamp tubes 310; each second upper lamp tube 321 is located at The projection of the first horizontal plane H1 is located between two adjacent second lower lamp tubes 311.
如图4所示，每一所述第一上灯管320在所述第一水平面H1的投影与一对应的所述第二下灯管311位于同一直线上；每一所述第二上灯管321在所述第一水平面H1的投影与一对应的所述第一下灯管310位于同一直线上。As shown in FIG. 4, the projection of each first upper lamp tube 320 on the first horizontal plane H1 is on the same straight line as a corresponding second lower lamp tube 311; each of the second upper lamps The projection of the tube 321 on the first horizontal plane H1 is on the same straight line as the corresponding first lower lamp tube 310.
更具体的，所述第三方向线D3为所述第一方向线D1在所述第二水平面H2上的投影线；所述第四方向线D4为所述第二方向线D2在所述第二水平面H2上的投影线。More specifically, the third direction line D3 is the projection line of the first direction line D1 on the second horizontal plane H2; the fourth direction line D4 is the second direction line D2 in the first The projection line on the second horizontal plane H2.
在一优选实施例中，如图4所示的，所述第一方向线D1与所述第二方向线D2之间的预定距离小于或等于一个所述下灯管31的长度。In a preferred embodiment, as shown in FIG. 4, the predetermined distance between the first direction line D1 and the second direction line D2 is less than or equal to the length of one lower lamp tube 31.
在一优选实施例中，所述第一水平面H1和一第二水平面H2之间的间距，也就是所述下灯管31与所述所述上灯管32之间的距离，可以是介于1厘米至90厘米。In a preferred embodiment, the distance between the first horizontal plane H1 and a second horizontal plane H2, that is, the distance between the lower lamp tube 31 and the upper lamp tube 32 may be between 1 cm to 90 cm.
综上所述，相较于现有技术，本发明主要将紫外线灯管配置于至少两个不同高度的水平面上，其中位于高度较低的水平面的灯管之间的照度偏低区域通过位于高度较高的水平面的灯管的照度来补偿，从而使得整个面板接受到的照度达到均匀，进而降低面板不良率和提高制程裕度。In summary, compared with the prior art, the present invention mainly arranges the ultraviolet lamp tube on at least two horizontal planes with different heights, wherein the area with low illuminance between the lamp tubes on the lower horizontal plane passes through the height The illuminance of the lamp tube at a higher level is compensated, so that the illuminance received by the entire panel is uniform, thereby reducing the defect rate of the panel and improving the process margin.
本发明已由上述相关实施例加以描述，然而上述实施例仅为实施本发明的范例。必需指出的是，已公开的实施例并未限制本发明的范围。相反地，包含于权利要求书的精神及范围的修改及均等设置均包括于本发明的范围内。The present invention has been described by the above-mentioned related embodiments, but the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent arrangements included in the spirit and scope of the claims are all included in the scope of the present invention.

Claims (18)

  1. 一种用于液晶配向的紫外线照射装置，其包括：An ultraviolet irradiation device for liquid crystal alignment, including:
    一承载座，用以提供放置一面板；以及A carrier for providing a panel; and
    数个紫外线灯管，配置于所述承载座上方且位于不同高度的一第一水平面和一第二水平面上，其中所述紫外线灯管包括多个下灯管和多个上灯管，所述下灯管平行间隔排列于所述第一水平面；所述上灯管平行间隔排列于所述第二水平面，且每一所述上灯管在所述第一水平面的投影位于相邻两个所述下灯管之间；所述第一水平面和一第二水平面之间的间距介于1厘米至90厘米。A plurality of ultraviolet lamp tubes are arranged above the bearing seat and located at a first horizontal plane and a second horizontal plane at different heights, wherein the ultraviolet lamp tube includes a plurality of lower lamp tubes and a plurality of upper lamp tubes, the The lower lamps are arranged in parallel on the first horizontal plane; the upper lamps are arranged in parallel on the second horizontal plane, and the projection of each of the upper lamps on the first horizontal plane is located in two adjacent places Between the lower lamps; the distance between the first horizontal plane and a second horizontal plane is between 1 cm and 90 cm.
  2. 如权利要求1所述的用于液晶配向的紫外线照射装置，其中：所述紫外线灯管包括多个下灯管和多个上灯管，所述下灯管平行间隔排列于所述第一水平面；所述上灯管平行间隔排列于所述第二水平面，且每一所述上灯管在所述第一水平面的投影位于相邻两个所述下灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 1, wherein the ultraviolet lamp includes a plurality of lower lamps and a plurality of upper lamps, and the lower lamps are arranged in parallel on the first horizontal plane at intervals The upper lamp tubes are arranged in parallel on the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes.
  3. 如权利要求2所述的用于液晶配向的紫外线照射装置，其中：所述下灯管包括多个第一下灯管与第二下灯管，其中所述第一下灯管沿一第一方向线间隔排列；所述第二下灯管沿一第二方向线间隔排列；所述第一方向线与所述第二方向线位于所述第一水平面，彼此平行且相距一预定距离；每一第二下灯管在所述第一方向线上的投影是位于相邻两个所述第一下灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 2, wherein: the lower lamp includes a plurality of first lower lamps and a second lower lamp, wherein the first lower lamp is along a first The direction lines are arranged at intervals; the second lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second lower lamp tube on the first direction line is between two adjacent first lower lamp tubes.
  4. 如权利要求2所述的用于液晶配向的紫外线照射装置，其中：所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 2, wherein: the upper lamp tube includes a plurality of first upper lamp tubes and a second upper lamp tube, wherein the first upper lamp tube extends along a third The direction lines are arranged at intervals; the second upper lamps are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second upper lamp tube on the third direction line is located between two adjacent first upper lamp tubes.
  5. 如权利要求3所述的用于液晶配向的紫外线照射装置，其中：所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 3, wherein the upper lamp includes a plurality of first upper lamps and a second upper lamp, wherein the first upper lamp is along a third The direction lines are arranged at intervals; the second upper lamps are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second upper lamp tube on the third direction line is located between two adjacent first upper lamp tubes.
  6. 如权利要求5所述的用于液晶配向的紫外线照射装置，其中：所述第三方向线为所述第一方向线在所述第二水平面上的投影线；所述第四方向线为所述第二方向线在所述第二水平面上的投影线。The ultraviolet irradiation device for liquid crystal alignment according to claim 5, wherein: the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is The projection line of the second direction line on the second horizontal plane.
  7. 如权利要求5所述的用于液晶配向的紫外线照射装置，其中：每一所述第一上灯管在所述第一水平面的投影位于相邻两个所述第一下灯管之间；每一所述第二上灯管在所述第一水平面的投影位于相邻两个所述第二下灯管之间；每一所述第一上灯管在所述第一水平面的投影与一对应的所述第二下灯管位于同一直线上；每一所述第二上灯管在所述第一水平面的投影与一对应的所述第一下灯管位于同一直线上。The ultraviolet irradiation device for liquid crystal alignment according to claim 5, wherein: the projection of each first upper lamp tube on the first horizontal plane is located between two adjacent first lower lamp tubes; The projection of each second upper lamp tube on the first horizontal plane is between two adjacent second lower lamp tubes; the projection of each first upper lamp tube on the first horizontal plane is A corresponding second lower lamp tube is located on the same straight line; a projection of each second upper lamp tube on the first horizontal plane and a corresponding first lower lamp tube are located on the same straight line.
  8. 如权利要求3所述的用于液晶配向的紫外线照射装置，其中：所述第一方向线与所述第二方向线之间的预定距离小于或等于一个所述下灯管的长度。The ultraviolet irradiation device for liquid crystal alignment according to claim 3, wherein the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
  9. 如权利要求1所述的用于液晶配向的紫外线照射装置，其中：所述第一水平面和一第二水平面之间的间距介于1厘米至90厘米。The ultraviolet irradiation device for liquid crystal alignment according to claim 1, wherein the distance between the first horizontal plane and a second horizontal plane is between 1 cm and 90 cm.
  10. 一种用于液晶配向的紫外线照射装置，其包括：An ultraviolet irradiation device for liquid crystal alignment, including:
    一承载座，用以提供放置一面板；以及A carrier for providing a panel; and
    数个紫外线灯管，配置于所述承载座上方且位于不同高度的一第一水平面和一第二水平面上。Several ultraviolet lamp tubes are arranged above the bearing seat and located on a first horizontal plane and a second horizontal plane at different heights.
  11. 如权利要求10所述的用于液晶配向的紫外线照射装置，其中：所述紫外线灯管包括多个下灯管和多个上灯管，所述下灯管平行间隔排列于所述第一水平面；所述上灯管平行间隔排列于所述第二水平面，且每一所述上灯管在所述第一水平面的投影位于相邻两个所述下灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 10, wherein the ultraviolet lamp includes a plurality of lower lamps and a plurality of upper lamps, and the lower lamps are arranged in parallel on the first horizontal plane at intervals The upper lamp tubes are arranged in parallel on the second horizontal plane, and the projection of each upper lamp tube on the first horizontal plane is between two adjacent lower lamp tubes.
  12. 如权利要求11所述的用于液晶配向的紫外线照射装置，其中：所述下灯管包括多个第一下灯管与第二下灯管，其中所述第一下灯管沿一第一方向线间隔排列；所述第二下灯管沿一第二方向线间隔排列；所述第一方向线与所述第二方向线位于所述第一水平面，彼此平行且相距一预定距离；每一第二下灯管在所述第一方向线上的投影是位于相邻两个所述第一下灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 11, wherein: the lower lamp includes a plurality of first lower lamps and a second lower lamp, wherein the first lower lamp is along a first The direction lines are arranged at intervals; the second lower lamps are arranged at intervals along a second direction line; the first direction line and the second direction line are located in the first horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second lower lamp tube on the first direction line is between two adjacent first lower lamp tubes.
  13. 如权利要求11所述的用于液晶配向的紫外线照射装置，其中：所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 11, wherein: the upper lamp includes a plurality of first upper lamps and a second upper lamp, wherein the first upper lamp is along a third The direction lines are arranged at intervals; the second upper lamps are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second upper lamp tube on the third direction line is located between two adjacent first upper lamp tubes.
  14. 如权利要求12所述的用于液晶配向的紫外线照射装置，其中：所述上灯管包括多个第一上灯管与第二上灯管，其中所述第一上灯管沿一第三方向线间隔排列；所述第二上灯管沿一第四方向线间隔排列；所述第三方向线与所述第四方向线位于所述第二水平面，彼此平行且相距一预定距离；每一第二上灯管在所述第三方向线上的投影是位于相邻两个所述第一上灯管之间。The ultraviolet irradiation device for liquid crystal alignment according to claim 12, wherein: the upper lamp includes a plurality of first upper lamps and a second upper lamp, wherein the first upper lamp is along a third The direction lines are arranged at intervals; the second upper lamps are arranged at intervals along a fourth direction line; the third direction line and the fourth direction line are located in the second horizontal plane, parallel to each other and at a predetermined distance; each The projection of a second upper lamp tube on the third direction line is located between two adjacent first upper lamp tubes.
  15. 如权利要求14所述的用于液晶配向的紫外线照射装置，其中：所述第三方向线为所述第一方向线在所述第二水平面上的投影线；所述第四方向线为所述第二方向线在所述第二水平面上的投影线。The ultraviolet irradiation device for liquid crystal alignment according to claim 14, wherein: the third direction line is a projection line of the first direction line on the second horizontal plane; the fourth direction line is The projection line of the second direction line on the second horizontal plane.
  16. 如权利要求14所述的用于液晶配向的紫外线照射装置，其中：每一所述第一上灯管在所述第一水平面的投影位于相邻两个所述第一下灯管之间；每一所述第二上灯管在所述第一水平面的投影位于相邻两个所述第二下灯管之间；每一所述第一上灯管在所述第一水平面的投影与一对应的所述第二下灯管位于同一直线上；每一所述第二上灯管在所述第一水平面的投影与一对应的所述第一下灯管位于同一直线上。The ultraviolet irradiation device for liquid crystal alignment according to claim 14, wherein: the projection of each first upper lamp tube on the first horizontal plane is between two adjacent first lower lamp tubes; The projection of each second upper lamp tube on the first horizontal plane is between two adjacent second lower lamp tubes; the projection of each first upper lamp tube on the first horizontal plane is A corresponding second lower lamp tube is located on the same straight line; a projection of each second upper lamp tube on the first horizontal plane and a corresponding first lower lamp tube are located on the same straight line.
  17. 如权利要求12所述的用于液晶配向的紫外线照射装置，其中：所述第一方向线与所述第二方向线之间的预定距离小于或等于一个所述下灯管的长度。The ultraviolet irradiation device for liquid crystal alignment according to claim 12, wherein the predetermined distance between the first direction line and the second direction line is less than or equal to the length of one of the lower lamp tubes.
  18. 如权利要求10所述的用于液晶配向的紫外线照射装置，其中：所述第一水平面和一第二水平面之间的间距介于1厘米至90厘米。The ultraviolet irradiation device for liquid crystal alignment according to claim 10, wherein the distance between the first horizontal plane and a second horizontal plane is between 1 cm and 90 cm.
PCT/CN2019/093523 2018-12-15 2019-06-28 Ultraviolet irradiation device used for liquid crystal alignment WO2020119080A1 (en)

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