WO2017171236A1 - 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 - Google Patents
곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 Download PDFInfo
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- WO2017171236A1 WO2017171236A1 PCT/KR2017/001768 KR2017001768W WO2017171236A1 WO 2017171236 A1 WO2017171236 A1 WO 2017171236A1 KR 2017001768 W KR2017001768 W KR 2017001768W WO 2017171236 A1 WO2017171236 A1 WO 2017171236A1
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- display panel
- sealing material
- manufacturing
- jaw
- curved display
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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
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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
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- G02F1/0136—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 for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/50—Protective arrangements
Definitions
- the present invention relates to a method for manufacturing a curved display panel for reducing the thickness of a display panel manufactured in advance, and a curved display panel manufactured by the manufacturing method.
- a display device is a device for displaying an image, and recently, a curved display device having a curved shape to improve immersion has been disclosed.
- the curved display device is manufactured by attaching a curved surface holding member that can hold a curved surface to maintain the display panel in a curved state, or by putting it in a curved case.
- the display panel for manufacturing the curved display device if the general display panel wheel, it can be easily broken, so the thickness of the display panel should be made as thin as possible.
- a method of manufacturing a display panel for manufacturing such a curved display device has been disclosed in Korean Patent Laid-Open Publication No. 10-2015-0083448.
- both surfaces of the display panel are etched with an etchant to produce a thin thickness, thereby making it possible to produce a curved display that can be easily bent.
- the etching part is first performed by the etching liquid so as to reduce the thickness to the part where the projection jaw is to be formed as a whole. Except for this, the height of the protruding jaw could be reduced in the form of etching by the etchant to reduce the thickness.
- the conventional etching method has a problem that the defect rate of the curved display panel manufactured due to the penetration of the etchant is increased by reducing the thickness through two etchings to reduce the thickness of the protruding jaw.
- the present invention has been made to solve the problems described above, the problem to be solved by the present invention is to minimize the exposure of the etchant when reducing the thickness of the projection jaw, can reduce the defective rate due to the penetration of the etchant
- the present invention provides a method for manufacturing a curved display panel capable of eliminating the need for reinstalling the sealing material and eliminating manufacturing hassles, and a curved display panel manufactured by the manufacturing method.
- the manufacturing method of the curved display panel according to an embodiment of the present invention for solving the above problems is to reduce the thickness of the flat panel produced in advance in the manufacturing method of the curved display panel for manufacturing the curved display panel
- a jaw polishing step of cutting a portion to form a protruding jaw protruding to protect a portion to which a driving circuit board is attached to a predetermined thickness by mechanical polishing is polished in the jaw polishing step.
- the sealing material is installed to have a thickness thinner than the thickness of Except for minute and includes an etching step of etching across the board by the two sides of the flat panel display panel, the etching liquid.
- the jaw polishing step may include a film removing step of removing the film attached to the flat panel display panel.
- the film may be a protective film or a polarizing film for protecting the flat panel display panel.
- the film removing step may remove only the portion of the film to form the protruding jaw to protect the flat panel display panel by foreign substances generated by mechanical polishing in the jaw polishing step.
- a protective film may be attached to the remaining parts except for the part where the protruding jaw is formed to protect the flat panel display panel by foreign matter generated by mechanical polishing in the jaw polishing step.
- the sealing member installed on the edge portion to which the driving circuit board is attached may be mechanically polished to form the protruding jaw together with the sealing material so that the sealing member has the same height as the protruding jaw.
- the sealing material is installed so as to cover the part to form the protruding jaw on the other surface of the flat panel display panel from the portion to form the protruding jaw on one surface of the flat panel display panel. Can be.
- the sealing material is formed in the shape of an envelope with a lower opening, it may be installed so as to cover the portion to form the protruding jaw to cover the drive circuit board.
- the sealant is an acid resistant adhesive tape, and the sealant may be wound and attached so as to overlap the etching liquid so that the etchant flows downward while the driving circuit board is positioned above.
- the sealing material installing step may include a masking step of performing masking with a masking member on a portion to form the protruding jaw before installing the sealing material.
- the sealant may include an acid resistant adhesive tape for attaching the sealant to a portion to be formed at the end of the sealant to form the protruding jaw.
- the method may further include an adhesive coating step of applying an adhesive for re-adhesive part of the sealing material separated by mechanical polishing between the jaw polishing step and the sealing material attaching step, to a part to form the protruding jaw.
- the curved display panel manufactured by the method of manufacturing the curved display panel according to the embodiment of the present invention is manufactured by the above-described manufacturing method.
- the present invention by reducing the thickness of the projection jaw by mechanical polishing in advance before performing the etching to reduce the thickness of the display panel, by minimizing the exposure of the etchant, it is possible to minimize the defective rate due to the penetration of the etchant. .
- the sealing material disposed adjacent to the protruding jaw may also reduce the thickness by mechanical polishing, thereby eliminating the inconvenience of the reinstallation of the sealing material.
- FIG. 1 is a flowchart schematically illustrating a method of manufacturing a curved display panel according to a first embodiment of the present invention.
- FIG. 2 is a side view schematically showing a curved display panel manufactured by a method of manufacturing a curved display panel according to a first embodiment of the present invention.
- FIG. 3 is a view schematically showing the jaw polishing step in the manufacturing method of the curved display panel according to the first embodiment of the present invention, and showing only a portion to which a driving circuit board is attached.
- FIG. 4 is a view schematically illustrating a sealing material installation step in a method of manufacturing a curved display panel according to a first embodiment of the present invention, and showing only a portion to which a driving circuit board is attached.
- FIG. 5 is a view schematically showing a sealing material installation step in the manufacturing method of the curved display panel according to the first embodiment of the present invention, a view showing a modification of the sealing material.
- FIG. 6 is a view schematically showing an etching step in a method of manufacturing a curved display panel according to a first embodiment of the present invention, and showing only a portion to which a driving circuit board is attached.
- FIG. 7 is a view schematically illustrating a film removing step in a method of manufacturing a curved display panel according to a second embodiment of the present invention, and showing only a portion to which a driving circuit board is attached.
- curved display panel 110 a first substrate
- sealing material 190 driving circuit board
- sealing material 210 adhesive tape
- the present invention relates to a method of manufacturing a curved display panel 100, which can manufacture a curved display panel 100 by bending a flat panel display panel of a pre-fabricated pre-fabricated to a curved shape. will be.
- the curved display panel 100 manufactured by the curved display panel 100 manufacturing method according to an exemplary embodiment of the present invention may be manufactured by processing a ready-made flat panel display panel.
- the ready-made flat panel display panel is an LCD panel, but may be an OLED panel.
- the liquid crystal layer 130 inserted between the first substrate 110 and the second substrate 120 and between the first substrate 110 and the second substrate 120.
- the sealing material 170 may be installed around the first substrate 110 and the second substrate 120 to prevent the liquid crystal layer 130 from leaking out.
- the second substrate 120 may be a color filter substrate.
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include a film removing step (S10).
- the film removing step (S10) may remove the film 140 previously attached to process the ready-made flat panel display panel.
- the film 140 to be removed in the film removing step (S10) is a pre-attached protective film to protect the surface of the flat panel display panel when the flat panel display panel is delivered, or the flat panel display panel is LCD
- the polarizing film may perform a polarizing function.
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include a jaw polishing step (S20).
- the jaw polishing step (S20) is to polish the protruding jaw 150 protruding from the edge of the flat panel display panel in order to give rigidity when the curved display panel 100 is bent in the final curved display panel 100 manufactured It may be a step.
- the jaw polishing step (S20) may reduce the thickness by polishing the portion to form the protrusion jaw 150 to have a predetermined thickness through mechanical polishing.
- polishing step (S20) in order to minimize the thickness of the protruding jaw 150 protruding from the curved display panel 100 is finally produced to polish the portion of the protruding jaw 150 in advance to reduce the thickness It may be a step.
- the protrusion jaw 150 when the protrusion jaw 150 is reduced in thickness by etching of the etchant, the etchant penetrates into the portion to which the driving circuit board 190 is attached, so that the defect of the curved display panel 100 may occur. In the mechanical polishing to reduce the thickness of the portion to form the projection jaw (150).
- mechanical polishing may be performed in the form of moving the grinder wheel 300 of the circular roll shape to move along the edge portion to form the protrusion jaw 150, the plate on the portion to form the protrusion jaw 150
- the sealing material 170 that performs airtightness is attached to the display panel
- the sealing material 170 may also be polished together to be equal to the height of the protruding jaw 150.
- the protrusion jaw 150 is a portion for forming the protrusion jaw 150 on both sides of the edge portion to which the driving circuit board 190 is attached in the flat panel display panel and the edge portion of the opposite end thereof.
- the protrusion jaw 150 may be formed on both sides or one side of the entire edge portion of the flat panel display panel, or both sides or one side of any edge portion of the flat panel display panel (where both sides are formed of the first substrate 110).
- the outer surface of the second substrate 120 and the outer surface of the second substrate 120, one surface means the outer surface of the first substrate 110 or the outer surface of the second substrate (120).
- the portion where the sealing member 170 is located at the portion where the protrusion jaw 150 is to be formed may be installed at the boundary where the driving circuit board 190 is attached to the color filter substrate, and the sealing material 170 may be the protrusion jaw ( Mechanically polished to be reduced to the same height as 150).
- the sealing material 170 has an etching resistance by the etching solution, when the protruding jaw 150 is etched with the etching solution, the thickness of the sealing material 170 does not decrease, so that the sealing material 170 is larger than the protruding jaw 150.
- the present invention reduces the thickness by mechanically polishing the protruding jaw 150 and the sealing material 170 together, thereby eliminating the inconvenience caused by the reinstallation of the sealing material 170. can do.
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include an adhesive coating step (not shown).
- the adhesive coating step may be a step of applying an adhesive to bond a portion of the sealing material 170 separated by the grinder wheel when mechanically polishing a portion to form the protrusion jaw 150 together with the sealing material 170.
- the adhesive coating step may be performed in the form of applying the adhesive around the periphery of the sealing material 170, the adhesive may be a material of the same material as the sealing material 170, or may be a curable resin solidified in the liquid.
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include a sealing material installation step (S30).
- the sealing material installation step (S30) is a sealing material so that the portion for forming the protruding jaw 150 and the driving circuit board 190 for driving the flat panel display panel is not etched by the etching solution during the etching by the etching solution to be described below. It may be a step of installing 200.
- the sealing material installation step (S30) may include a masking step.
- the masking member 230 having acid resistance may be previously attached to a portion of the protrusion jaw 150 to prevent the protrusion jaw 150 from being etched by the etchant.
- the masking member 230 may be implemented with an acid resistant adhesive tape.
- the sealing material 200 may be installed, but if necessary, the sealing material 200 masking so that it can be performed together with the masking
- the sealing material 200 may be directly installed at the portion where the protrusion jaw 150 is to be formed without performing the step.
- the sealing member 200 is formed in an envelope shape in which one end is opened to cover the protruding jaw 150 at a portion to form the protruding jaw 150, or formed in a film form to form a flat panel display panel. It may be installed in a form of passing through the edge from the portion to form the protrusion jaw 150 on one surface to the portion to form the protrusion jaw 150 on the other surface of the display panel.
- the driving circuit board 190 when the driving circuit board 190 is attached to the edge portion on which the sealing material 200 is to be installed, the driving circuit board 190 may be covered together, or may be configured to wrap over the driving circuit board 190 together. .
- an acid resistant adhesive tape 210 may be installed at an edge portion of the sealant 200 to easily attach the sealant 200 to an outer surface of the flat panel display panel, and the sealant 200 may be formed in a film form. In the case of handing over, both ends of the handing over may be attached by the acid resistant adhesive tape 210 or attached by heat fusion to prevent penetration of the etchant.
- the sealing material 200 ' is implemented only by the acid-resistant adhesive tape 210, the form of winding both sides of the portion to form the protrusion jaw 150 in the longitudinal direction of the protrusion jaw 150
- the sealing material 200 ' may be wound to wrap the driving circuit board 190 together, and the sealing material 200' may have an end portion in the circumferential direction so that the etching liquid flows easily like a tile. It may be attached in some overlapping form.
- the manufacturing method of the curved display panel according to the first embodiment of the present invention may include an etching step (S40).
- the etching step (S40) may be performed by the etching solution so that the thickness of the flat panel display panel in which the sealing material 200 is installed in the sealing material installation step (S30) is reduced to the entire surface, except for the portion where the sealing material 200 is installed. have.
- the etching step S40 may be performed by spraying the etching solution from both sides of the flat panel display panel or by applying the etching solution in a form of flowing the etching solution from the top.
- the etching step (S40) by the etching liquid to have a thickness thinner than the thickness of the projection jaw 150 polished by mechanical polishing so that the projection jaw 150 is protruded more than the surface of the flat-panel display panel that is entirely etched. It can be etched.
- a washing step of removing the applied etching solution may be performed.
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include a sealing material removing step (not shown).
- the sealing material removing step may be a step of removing the sealing material 200 from the flat panel display panel whose etching is completed to reduce the overall thickness, masking member 230 when masking is performed when removing the sealing material 200 ) Can also be removed.
- the sealing material 200 is a sealing material 200 installed in the sealing material installation step (S30).
- the manufacturing method of the curved display panel 100 according to the first embodiment of the present invention may include a film attaching step (S50).
- the film attaching step (S50) may be attached to the first curved film 140 to the curved display panel 100.
- the film 140 may be a polarizing film 140 when the flat display panel is an LCD panel, and the polarizing film 140 may be reattached to the first polarized film, or may be a new polarizing film.
- the film 140 may be a protective film 140 to protect the surface of the curved display panel 100.
- the manufacturing of the curved display panel 100 may be completed without performing the film attaching step (S50), or the manufacturing of the curved display panel 100 may be completed after the attaching the film (S50).
- the curved display panel 100 manufactured as described above may be attached to a curved holding member that can be maintained in a curved shape, or be put in a curved case to manufacture a curved curved display device.
- the curved display panel 100 manufactured by the manufacturing method of the curved display panel 100 according to the embodiment of the present invention does not need to perform repeated etching in order to minimize the projection jaw 150. Not only the defect of the curved display panel 100 due to the etchant can be prevented, but also the slimmed curved display device can be manufactured by minimizing the thickness of the protruding jaw 150.
- the sealing material 170 which is not etched by the etchant is also reduced, thereby eliminating the inconvenience of the reinstallation of the sealing material 170. have.
- the same components as in the first embodiment are denoted by the same reference numerals, and the same components are the same in operation and effect.
- the manufacturing method of the curved display panel 100 according to the second embodiment of the present invention may include a film removing step (S10).
- the film removing step S10 may not remove the film 140 attached to the ready-made flat panel display panel as a whole, but may remove only a part of the flat panel 150 to form the protruding jaw 150.
- the film 140 When the film 140 is removed from only the portion to form the protruding jaw 150 as described above, the remaining portion other than the portion to form the protruding jaw 150 is protected by the film 140 to form the protruding jaw 150. It is possible to prevent the occurrence of contamination or scratches by foreign matters generated when the thickness is reduced by mechanical polishing.
- the film 140 may be a polarizing film or a protective film attached to a ready-made flat panel display panel.
- the film 140 when the film 140 is not attached to the ready-made flat panel display panel, the film 140 is attached or the film 140 is attached to the entire surface except for the portion to form the protruding jaw 150, and then protrudes. Only the portion to form the jaw 150 may remove the film 140.
- the manufacturing of the curved display panel 100 is completed.
- the present invention can be used in various display industries for displaying an image such as a game machine, a computer, a billboard.
Abstract
Description
Claims (13)
- 미리 제조된 평판형 디스플레이패널의 두께를 감소시켜 곡면형 디스플레이패널을 제조하기 위한 곡면형 디스플레이패널의 제조방법에 있어서,상기 평판형 디스플레이패널에서 구동회로기판이 부착된 부분을 보호하기 위해 돌출되는 돌출턱을 형성할 부분을 기계적인 연마에 의해 미리 설정된 두께로 깎아내는 턱연마단계,상기 턱연마단계에서 연마된 평판형 디스플레이패널을 상기 돌출턱을 형성할 부분과 상기 구동회로기판을 함께 감싸 식각액으로부터 보호하는 밀봉재를 설치하는 밀봉재설치단계, 및상기 밀봉재설치단계에서 상기 밀봉재가 설치된 평판형 디스플레이패널을 상기 돌출턱의 두께보다 더 얇은 두께를 가지도록 상기 밀봉재가 설치된 부분을 제외하고 상기 평판형 디스플레이패널의 양면을 식각액에 의해 전면적으로 식각하는 식각단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 턱연마단계 이전에,상기 평판형 디스플레이패널에 부착된 필름을 제거하는 필름제거단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제2항에 있어서,상기 필름은 상기 평판형 디스플레이패널을 보호하기 위한 보호필름, 또는 편광필름인 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제2항에 있어서,상기 필름제거단계는상기 턱연마단계에서 기계적인 연마에 의해 발생하는 이물질에 의해 상기 평판형 디스플레이패널을 보호하기 위해 상기 돌출턱을 형성할 부분만 상기 필름을 제거하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 턱연마단계 이전에,상기 턱연마단계에서 기계적인 연마에 의해 발생하는 이물질에 의해 상기 평판형 디스플레이패널을 보호하기 위해 상기 돌출턱을 형성할 부분을 제외하고 나머지 부분에 보호필름을 부착하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 턱연마단계는상기 구동회로기판이 부착된 테두리 부분에 설치된 씰링재가 상기 돌출턱과 같은 높이를 갖도록 상기 씰링재와 함께 상기 돌출턱을 형성할 부분을 기계적으로 연마하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 밀봉재설치단계에서,상기 밀봉재는 상기 평판형 디스플레이패널의 일면에서의 돌출턱을 형성할 부분에서부터 상기 구동회로기판을 넘겨 상기 평판형 디스플레이패널의 타면에서의 돌출턱을 형성할 부분을 덮도록 설치되는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 밀봉재설치단계에서,상기 밀봉재는 하부가 개구된 봉투형상으로 형성되고, 상기 구동회로기판을 수용하도록 씌워 상기 돌출턱을 형성할 부분을 덮도록 설치되는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 밀봉재설치단계에서,상기 밀봉재는 내산성 접착테입이고, 상기 밀봉재는 상기 구동회로기판이 상부에 위치된 상태에서 식각액이 하부로 흘러내리도록 기와와 같이 겹쳐지도록 감아 부착하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 밀봉재설치단계는상기 밀봉재를 설치하기 이전, 상기 돌출턱을 형성할 부분에 마스킹테잎으로 마스킹을 수행하는 마스킹단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 밀봉재는상기 밀봉재의 끝단에 설치되어 상기 돌출턱을 형성할 부분에 상기 밀봉재를 부착시키기 위한 내산성 접착테입을 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항에 있어서,상기 턱연마단계와 상기 밀봉재부착단계의 사이에상기 돌출턱을 형성할 부분에 기계적인 연마에 의해 씰링재가 분리된 부분을 재접착하기 위한 접착제를 도포하는 접착제도포단계를 더 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항 내지 제12항의 중 어느 한 항에 기재된 곡면형 디스플레이패널의 제조방법으로 제조된 곡면형 디스플레이패널.
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EP17775661.6A EP3438731B9 (en) | 2016-04-01 | 2017-02-17 | Method for manufacturing curved display panel, and curved display panel manufactured by same manufacturing method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111063256A (zh) * | 2019-11-26 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | 一种柔性显示模组及其制备方法 |
AU2017280757B2 (en) * | 2016-06-21 | 2022-04-14 | Tovis Co., Ltd. | Curved display panel manufacturing method and curved display panel manufactured by manufacturing method |
US11397345B2 (en) * | 2018-12-27 | 2022-07-26 | Kortek Corporation | Method for etching a liquid crystal panel comprising installing a masking tape on entire surfaces of a first substrate and a second substrate |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101998613B1 (ko) * | 2017-10-27 | 2019-07-10 | (주)코텍 | 액정패널용 식각방법 |
WO2019208918A1 (ko) * | 2018-04-26 | 2019-10-31 | (주)코텍 | 액정패널 및 액정패널용 식각방법 |
KR102649331B1 (ko) * | 2018-08-14 | 2024-03-20 | 삼성디스플레이 주식회사 | 표시장치 |
KR102110781B1 (ko) * | 2018-12-11 | 2020-05-21 | (주)코텍 | 액정패널 및 액정패널용 식각방법 |
KR102116799B1 (ko) * | 2018-12-11 | 2020-06-02 | (주)코텍 | 액정패널 및 액정패널용 식각방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008009356A (ja) * | 2006-05-31 | 2008-01-17 | Optrex Corp | 表示パネルの製造方法およびパネル体の製造方法 |
KR20100025219A (ko) * | 2008-08-27 | 2010-03-09 | 동우 화인켐 주식회사 | 액정표시장치의 제조방법 |
KR20130026285A (ko) * | 2011-09-05 | 2013-03-13 | 주식회사 토비스 | 곡면 디스플레이 패널 제조 방법 |
KR20140037422A (ko) * | 2012-09-18 | 2014-03-27 | 주식회사 유플러스비젼 | 곡면 디스플레이 패널 제조를 위한 기판 식각방법 |
KR101478823B1 (ko) * | 2013-07-26 | 2015-01-02 | (주)코텍 | 액정디스플레이의 슬리밍 방법과 이것에 의해 제조된 곡면액정디스플레이 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4150525B2 (ja) * | 2002-02-15 | 2008-09-17 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 表示セルの製造方法 |
KR101113289B1 (ko) * | 2010-03-04 | 2012-02-24 | 주식회사 토비스 | 곡면 디스플레이 패널 제조 방법, 이를 이용한 곡면 디스플레이 패널, 및 이를 이용한 다중 영상 표시 장치 |
JP5963349B2 (ja) * | 2012-04-27 | 2016-08-03 | 株式会社Joled | 表示装置の製造方法 |
KR101576222B1 (ko) | 2012-10-26 | 2015-12-10 | 주식회사 토비스 | 곡면형 디스플레이의 제조방법 |
TWI544252B (zh) * | 2014-08-29 | 2016-08-01 | 友達光電股份有限公司 | 顯示面板及其製造方法 |
-
2016
- 2016-04-01 KR KR1020160039995A patent/KR101796707B1/ko active IP Right Grant
-
2017
- 2017-02-17 US US16/090,274 patent/US11099414B2/en active Active
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008009356A (ja) * | 2006-05-31 | 2008-01-17 | Optrex Corp | 表示パネルの製造方法およびパネル体の製造方法 |
KR20100025219A (ko) * | 2008-08-27 | 2010-03-09 | 동우 화인켐 주식회사 | 액정표시장치의 제조방법 |
KR20130026285A (ko) * | 2011-09-05 | 2013-03-13 | 주식회사 토비스 | 곡면 디스플레이 패널 제조 방법 |
KR20140037422A (ko) * | 2012-09-18 | 2014-03-27 | 주식회사 유플러스비젼 | 곡면 디스플레이 패널 제조를 위한 기판 식각방법 |
KR101478823B1 (ko) * | 2013-07-26 | 2015-01-02 | (주)코텍 | 액정디스플레이의 슬리밍 방법과 이것에 의해 제조된 곡면액정디스플레이 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2017280757B2 (en) * | 2016-06-21 | 2022-04-14 | Tovis Co., Ltd. | Curved display panel manufacturing method and curved display panel manufactured by manufacturing method |
US11397345B2 (en) * | 2018-12-27 | 2022-07-26 | Kortek Corporation | Method for etching a liquid crystal panel comprising installing a masking tape on entire surfaces of a first substrate and a second substrate |
CN111063256A (zh) * | 2019-11-26 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | 一种柔性显示模组及其制备方法 |
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AU2017245194A1 (en) | 2018-11-22 |
EP3438731B9 (en) | 2021-08-04 |
KR20170112650A (ko) | 2017-10-12 |
KR101796707B1 (ko) | 2017-12-01 |
EP3438731B1 (en) | 2020-12-30 |
ES2859564T3 (es) | 2021-10-04 |
AU2017245194B2 (en) | 2022-04-21 |
US11099414B2 (en) | 2021-08-24 |
EP3438731A4 (en) | 2019-11-13 |
US20190113795A1 (en) | 2019-04-18 |
EP3438731A1 (en) | 2019-02-06 |
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