CN104317075A - One-time lighting equipment for liquid crystal cell - Google Patents
One-time lighting equipment for liquid crystal cell Download PDFInfo
- Publication number
- CN104317075A CN104317075A CN201410542066.3A CN201410542066A CN104317075A CN 104317075 A CN104317075 A CN 104317075A CN 201410542066 A CN201410542066 A CN 201410542066A CN 104317075 A CN104317075 A CN 104317075A
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- CN
- China
- Prior art keywords
- liquid crystal
- crystal cell
- equipment
- workspace
- lower polarizer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses one-time lighting equipment for a liquid crystal cell. The one-time lighting equipment for the liquid crystal cell comprises a machine; the machine is provided with backlight and a bearing table used for bearing the liquid crystal cell; the bearing table is located above the backlight; one side, far away from the backlight, of the bearing table is provided with a detecting unit; the one-time lighting equipment for the liquid crystal cell also comprises a round roll device used for bearing a lower polarizer; the round roll device comprises an absorption unit and a release unit; the absorption unit and the release unit are respectively arranged at both sides of the backlight on the machine; the lower polarizer comprises a first part, a second part and a working area; the first part and the second part are respectively twined on the absorption unit and the release unit; the working area is connected between the first part and the second part, and is located between the backlight and the bearing table; by means of the synchronous movement of the absorption unit and the release unit, the working area is absorbed by the absorption unit, and meanwhile, the second part is released by the release unit so as to replace the working area. The one-time lighting equipment for the liquid crystal cell, disclosed by the invention, has the advantages that the cost can be reduced, the operation is easy, and the lower polarizer can be automatically replaced.
Description
Technical field
The present invention relates to the checkout equipment of liquid crystal panel, particularly a kind of liquid crystal cell lighting-up equipment.
Background technology
Flat-panel screens has become the main product on market.In order to maintain the quality of product, various display all needs through detecting among processing procedure, to get rid of the defective product of tool.Liquid crystal display comprises the thin film transistor base plate being formed with thin film transistor (TFT), the subtend substrate being usually formed with color filter layers etc. and the display panels of liquid crystal layer between these components.In the manufacturing step of display panels, require to carry out multiple inspection to confirm that the substrate that manufacturing in each step or display panels have zero defect.
In this kind checks, array is had to test (array test), visual test (visual inspection, VI), all test (gross test, GT), final test (final test) etc.
Lighting-up equipment is a kind of equipment of hand inspection Cell goods (namely unassembled display panels), its effect be in assemble processing procedure to detect early stage Cell goods whether electrode has scuffing, whether glass has breakage, the distribution of inner liquid crystal whether evenly and development time whether have flaw, to avoid finding that Cell goods go out to be decorated with flaw inclined subsides in engineering after polaroid, cause the wastings of resources such as human and material resources from face.
Existing lighting-up equipment needs to arrange backlight on board, backlight needs place lower Polarizer, liquid crystal cell is rotated in above lower Polarizer, need first lower Polarizer to be cut, make the size of lower Polarizer and the consistent size of liquid crystal cell, along with the size of liquid crystal panel is greatly curved, the size of required lower Polarizer also needs large scale, higher to the cost of the cutting of large-sized lower Polarizer.And lower Polarizer is consumable accessory, after Polarizer damages instantly, need the lower Polarizer more renewed, need many people operation, not only complicated operation simultaneously, too increase human cost.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of liquid crystal cell a lighting-up equipment, has and can reduce costs, and is easy to operation, can realize the advantage automatically changing lower Polarizer.
To achieve these goals, embodiment of the present invention provides following technical scheme:
The present invention has supplied a kind of liquid crystal cell lighting-up equipment, comprise board, described board is arranged backlight and the plummer for carrying liquid crystal cell, described plummer is positioned at the top of described backlight, the side away from described backlight of described plummer is provided with detecting unit, described liquid crystal cell lighting-up equipment also comprises the circle volume tourelle for carrying lower Polarizer, described circle volume tourelle comprises absorptive unit and releasing unit, described absorptive unit and described releasing unit are arranged at the both sides of the described backlight on described board respectively, described lower Polarizer comprises Part I, Part II and workspace, described Part I and described Part II are wrapped on described absorptive unit and described releasing unit respectively, described workspace is connected between described Part I and described Part II, and between described backlight and described liquid crystal cell, described absorptive unit and being synchronized with the movement of described releasing unit make described absorptive unit absorb described workspace, described releasing unit discharges described Part II to replace described workspace simultaneously.
Wherein, described liquid crystal cell lighting-up equipment also comprises LED, between the described workspace that described LED is arranged on described lower Polarizer and described liquid crystal cell, and the edge of close described workspace.
Wherein, described detecting unit comprises camera and upper Polarizer, described upper Polarizer be attached to described camera in the face of described liquid crystal cell camera lens on.
Wherein, described liquid crystal cell lighting-up equipment also comprises control module, described control module is for receiving the signal of described detecting unit feedback, in lamplerss state, described LED polishing is to described lower Polarizer, and the described workspace that described detecting unit detects described lower Polarizer has without exception, and detection architecture is fed back to described control module, described control module also rolls up tourelle work, to change described workspace for controlling described circle.
Wherein, described liquid crystal cell lighting-up equipment also comprises diffuser plate, and described diffuser plate is arranged between the described workspace of described backlight and described lower Polarizer.
Wherein, the material of described diffuser plate is acryl.
Wherein, also comprise support, described support is fixedly attached to described board, and extends to the position between the described workspace of described lower Polarizer and described liquid crystal cell, and described LED is fixed on described support.
The present invention is by arranging the circle volume tourelle for carrying lower Polarizer, the absorptive unit of described circle volume tourelle is for carrying the Part I of lower Polarizer, the releasing unit of circle volume tourelle is for carrying the Part II of lower Polarizer, be connected to workspace between Part I and Part II between backlight and liquid crystal cell, described absorptive unit is made to absorb described workspace by described absorptive unit and being synchronized with the movement of described releasing unit, described releasing unit discharges described Part II to replace described workspace simultaneously, make liquid crystal cell lighting-up equipment of the present invention can realize automatically changing the advantage of lower Polarizer.And before the use of lower Polarizer, do not need cutting, be directly arranged on by the starting material of lower Polarizer on circle volume tourelle, the lighting for liquid crystal cell detects has saved cost.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the decomposing schematic representation of the liquid crystal cell lighting-up equipment that one embodiment of the present invention provides.
Fig. 2 is the floor map of position relationship between the circle volume tourelle of the liquid crystal cell lighting-up equipment that one embodiment of the present invention provides and board.
Fig. 3 is the lower Polarizer schematic diagram used of the liquid crystal cell lighting-up equipment that one embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1 to Fig. 3, the present invention has supplied a kind of liquid crystal cell lighting-up equipment, for detecting the quality of liquid crystal cell 30, and the liquid crystal panel that liquid crystal cell 30 is that is unassembled, i.e. Cell.Liquid crystal cell lighting-up equipment comprises board 10, described board 10 is arranged backlight 20 and the plummer (not shown) for carrying liquid crystal cell 30, described plummer is positioned at the top of described backlight 20, plummer can be independent supporting structure, be fixed on board 10, also can be combined as a whole with board 10, plummer be frame-shaped construction for carrying the part of liquid crystal cell 30, the edge local of liquid crystal cell 30 is on plummer.Whether the side away from described backlight 20 of described plummer is provided with detecting unit 40, luminous and when being energized to liquid crystal cell 30 by backlight 20, utilize detecting unit 40 to detect the display of liquid crystal cell 30 normal.In the process detecting liquid crystal cell 30, the needing up and down of liquid crystal cell 30 arranges Polarizer, lower Polarizer to arrange structure as follows.
Described liquid crystal cell lighting-up equipment also comprises the circle volume tourelle 50 for carrying lower Polarizer 60, described circle volume tourelle 50 comprises absorptive unit 52 and releasing unit 54, and described absorptive unit 52 and described releasing unit 54 are arranged at the both sides of the described backlight 20 on described board 10 respectively.The concrete structure of lower Polarizer 60 can consult Fig. 3.Described lower Polarizer 60 comprises Part I 62, Part II 64 and workspace 66, described Part I 62 and described Part II 64 are wrapped on described absorptive unit 52 and described releasing unit 54 respectively, described workspace 66 is connected between described Part I 62 and described Part II 64, and between described backlight 20 and described liquid crystal cell 30, described absorptive unit 52 and being synchronized with the movement of described releasing unit 54 make described absorptive unit 52 absorb described workspace 66, described releasing unit 54 discharges described Part II 64 to replace described workspace 66 simultaneously.The lower Polarizer 60 that the present invention uses is the starting material of rolling, do not need to cut lower Polarizer 60 according to liquid crystal panel size, the raw-material size of lower Polarizer 60 is greater than the size of liquid crystal cell 30, and it is inner that the vertical projection of liquid crystal cell 30 on the workspace 66 of lower Polarizer 60 drops on workspace 66.Workspace 66 is consumable accessory, when its damage needs to change, only needs to handle round volume tourelle 50, absorptive unit 52 and releasing unit 54 are synchronized with the movement, that's all.
The present invention is by arranging the circle volume tourelle 50 for carrying lower Polarizer 60, the absorptive unit 52 of described circle volume tourelle 50 is for carrying the Part I 62 of lower Polarizer 60, the releasing unit 54 of circle volume tourelle 50 is for carrying the Part II 64 of lower Polarizer 60, be connected to workspace 66 between Part I 62 and Part II 64 between backlight 20 and liquid crystal cell 30, described absorptive unit 52 is made to absorb described workspace 66 by described absorptive unit 52 and being synchronized with the movement of described releasing unit 54, described releasing unit 54 discharges described Part II 64 to replace described workspace 66 simultaneously, make liquid crystal cell lighting-up equipment of the present invention can realize automatically changing the advantage of lower Polarizer 60.And before the use of lower Polarizer 60, do not need cutting, be directly arranged on by the starting material of lower Polarizer 60 on circle volume tourelle 50, the lighting for liquid crystal cell 30 detects has saved cost.
In present embodiment, described liquid crystal cell lighting-up equipment also comprises LED 70, between the described workspace 66 that described LED 70 is arranged on described lower Polarizer 60 and described liquid crystal cell 30, and the edge of close described workspace 66.LED 70 is luminous, by ray cast to the workspace 66 of lower Polarizer 60.
Furthermore, described liquid crystal cell lighting-up equipment also comprises support (not shown), described support is fixedly attached to described board 10, and extends to the position between the described workspace 66 of described lower Polarizer 60 and described liquid crystal cell 30, and described LED 70 is fixed on described support.
In present embodiment, described detecting unit 40 comprises camera 42 and upper Polarizer 44, described upper Polarizer 44 be attached to described camera 42 in the face of described liquid crystal cell 30 camera lens on.In other embodiment, upper Polarizer 44 also can be arranged on the top of liquid crystal cell 30, is supported by upper Polarizer 44 by the structure of similar support (not shown).
In present embodiment, described liquid crystal cell lighting-up equipment also comprises control module (not shown), control module can be arranged in the computer be electrically connected with detecting unit 40, for realizing the function of automatically monitoring testing process and judging detection architecture, control module can also realize the function of reporting to the police.Described control module is for receiving the signal of described detecting unit 40 feedback, in lamplerss state, the polishing of described LED 70 is to described lower Polarizer 60, the described workspace 66 that described detecting unit 40 detects described lower Polarizer 60 has without exception, and detection architecture is fed back to described control module, described control module also works for controlling described circle volume tourelle 50, to change described workspace 66.Liquid crystal cell lighting-up equipment can be made in the process used to realize robotization by control module, thus save human cost, improve accuracy of detection.
In present embodiment, described liquid crystal cell lighting-up equipment also comprises diffuser plate 80, and described diffuser plate 80 is arranged between the described workspace 66 of described backlight 20 and described lower Polarizer 60.Diffuser plate 80 Main Function is make backlight 20 project better evenly soft light.In present embodiment, the material of described diffuser plate 80 is acryl.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. liquid crystal cell lighting-up equipment, comprise board, described board is arranged backlight and the plummer for carrying liquid crystal cell, described plummer is positioned at the top of described backlight, the side away from described backlight of described plummer is provided with detecting unit, it is characterized in that, described liquid crystal cell lighting-up equipment also comprises the circle volume tourelle for carrying lower Polarizer, described circle volume tourelle comprises absorptive unit and releasing unit, described absorptive unit and described releasing unit are arranged at the both sides of the described backlight on described board respectively, described lower Polarizer comprises Part I, Part II and workspace, described Part I and described Part II are wrapped on described absorptive unit and described releasing unit respectively, described workspace is connected between described Part I and described Part II, and between described backlight and described liquid crystal cell, described absorptive unit and being synchronized with the movement of described releasing unit make described absorptive unit absorb described workspace, described releasing unit discharges described Part II to replace described workspace simultaneously.
2. liquid crystal cell lighting-up equipment as claimed in claim 1, it is characterized in that, described liquid crystal cell lighting-up equipment also comprises LED, between the described workspace that described LED is arranged on described lower Polarizer and described liquid crystal cell, and the edge of close described workspace.
3. liquid crystal cell lighting-up equipment as claimed in claim 2, it is characterized in that, described detecting unit comprises camera and upper Polarizer, described upper Polarizer be attached to described camera on the camera lens of described liquid crystal cell.
4. liquid crystal cell lighting-up equipment as claimed in claim 2, it is characterized in that, described liquid crystal cell lighting-up equipment also comprises control module, described control module is for receiving the signal of described detecting unit feedback, in lamplerss state, described LED polishing is to described lower Polarizer, the described workspace that described detecting unit detects described lower Polarizer has without exception, and detection architecture is fed back to described control module, described control module also rolls up tourelle work, to change described workspace for controlling described circle.
5. liquid crystal cell lighting-up equipment as claimed in claim 2, it is characterized in that, described liquid crystal cell lighting-up equipment also comprises diffuser plate, and described diffuser plate is arranged between the described workspace of described backlight and described lower Polarizer.
6. liquid crystal cell lighting-up equipment as claimed in claim 5, it is characterized in that, the material of described diffuser plate is acryl.
7. liquid crystal cell lighting-up equipment as claimed in claim 2, it is characterized in that, also comprise support, described support is fixedly attached to described board, and the position extended between the described workspace of described lower Polarizer and described liquid crystal cell, described LED is fixed on described support.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410542066.3A CN104317075B (en) | 2014-10-14 | 2014-10-14 | Lighting-up equipment of liquid crystal cell |
PCT/CN2014/089012 WO2016058206A1 (en) | 2014-10-14 | 2014-10-21 | One-time lighting apparatus for liquid crystal cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410542066.3A CN104317075B (en) | 2014-10-14 | 2014-10-14 | Lighting-up equipment of liquid crystal cell |
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CN104317075A true CN104317075A (en) | 2015-01-28 |
CN104317075B CN104317075B (en) | 2017-10-24 |
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CN201410542066.3A Active CN104317075B (en) | 2014-10-14 | 2014-10-14 | Lighting-up equipment of liquid crystal cell |
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WO (1) | WO2016058206A1 (en) |
Cited By (4)
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CN106681035A (en) * | 2017-03-28 | 2017-05-17 | 武汉精测电子技术股份有限公司 | Large-sized liquid crystal screen electrically-controlled lighting-on device |
CN108490662A (en) * | 2018-05-31 | 2018-09-04 | 重庆永信科技有限公司 | LCD panel detector and panel of LCD detection method |
CN110596875A (en) * | 2019-10-30 | 2019-12-20 | 苏州精濑光电有限公司 | Structure and optical detection equipment are adjusted to microscope camera lens polaroid |
CN111897154A (en) * | 2020-08-21 | 2020-11-06 | 京东方科技集团股份有限公司 | Transmittance test fixture and test method |
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CN201909917U (en) * | 2010-12-29 | 2011-07-27 | 京东方科技集团股份有限公司 | Test fixture |
KR20130124027A (en) * | 2012-05-04 | 2013-11-13 | 주식회사 탑 엔지니어링 | Device for inspecting liquid crystal dispensing state, and liquid crystal dispenser having the device |
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- 2014-10-21 WO PCT/CN2014/089012 patent/WO2016058206A1/en active Application Filing
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CN101329456A (en) * | 2008-07-31 | 2008-12-24 | 友达光电股份有限公司 | Detection apparatus |
CN101750770A (en) * | 2008-12-19 | 2010-06-23 | 乐金显示有限公司 | Apparatus for inspection of liquid crystal display device and method thereof |
CN202600296U (en) * | 2012-04-26 | 2012-12-12 | 京东方科技集团股份有限公司 | Detection device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106681035A (en) * | 2017-03-28 | 2017-05-17 | 武汉精测电子技术股份有限公司 | Large-sized liquid crystal screen electrically-controlled lighting-on device |
CN108490662A (en) * | 2018-05-31 | 2018-09-04 | 重庆永信科技有限公司 | LCD panel detector and panel of LCD detection method |
CN110596875A (en) * | 2019-10-30 | 2019-12-20 | 苏州精濑光电有限公司 | Structure and optical detection equipment are adjusted to microscope camera lens polaroid |
CN111897154A (en) * | 2020-08-21 | 2020-11-06 | 京东方科技集团股份有限公司 | Transmittance test fixture and test method |
CN111897154B (en) * | 2020-08-21 | 2023-08-18 | 京东方科技集团股份有限公司 | Transmittance test fixture and test method |
Also Published As
Publication number | Publication date |
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CN104317075B (en) | 2017-10-24 |
WO2016058206A1 (en) | 2016-04-21 |
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