WO2017222263A1 - 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 - Google Patents
곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 Download PDFInfo
- Publication number
- WO2017222263A1 WO2017222263A1 PCT/KR2017/006426 KR2017006426W WO2017222263A1 WO 2017222263 A1 WO2017222263 A1 WO 2017222263A1 KR 2017006426 W KR2017006426 W KR 2017006426W WO 2017222263 A1 WO2017222263 A1 WO 2017222263A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- display panel
- etching
- masking
- substrate
- thickness
- Prior art date
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
-
- 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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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 of manufacturing a curved display panel for manufacturing a curved display panel by reducing the thickness of a previously manufactured display panel and a curved display panel manufactured by the manufacturing method.
- a display device is an apparatus for displaying an image.
- a curved surface display device has been disclosed in which a curved surface is curved to improve the feeling of immersion.
- This curved display device is formed by attaching a curved surface holding member capable of holding a curved surface to keep the display panel bent in a curved shape or by putting it into a curved case.
- the thickness of the display panel must be made as thin as possible.
- a manufacturing method of a display panel for manufacturing such a curved display device is disclosed in Korean Patent Laid-Open Publication No. 10-2015-0083448 entitled “ Method of manufacturing a curved display ".
- a curved display that can easily be bent can be manufactured by making the thickness of the display panel thin by etching the both sides of the display panel with an etching solution.
- protruding protrusions are formed in the edge portions to reinforce the rigidity or protect the driving circuit.
- the protruding protrusions are formed from the beginning, It has been difficult to manufacture a slim curved display panel due to the thickness of the protruding jaws.
- etching is firstly performed by an etchant so that the entire thickness of the protruding jaw is reduced, The height of the protruding jaw can be reduced in a manner that the etching is performed by the etchant in order to reduce the thickness.
- the conventional etching method has a problem that the defective rate of the curved display panel manufactured due to the penetration of the etchant is increased by decreasing the thickness through the two etching processes in order to reduce the thickness of the protruding jaws.
- the thickness of the sealing material disposed adjacent to the protruding jaw remains unchanged, and manufacturing hassles are required to reinstall the sealing material in accordance with the height of the reduced protruding jaw Respectively.
- the masking member is provided so that the protruding jaws are slightly misaligned.
- the protruding jaw is excessively inclined due to the penetration of the etchant.
- the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to minimize the exposure of the etchant when reducing the thickness of the protruding jaw, thereby reducing the defect rate due to penetration of the etchant.
- a method of manufacturing a curved display panel capable of eliminating the need for re-installation of sealing materials and eliminating the manufacturing hassle and preventing breakage of protruding jaws by preventing overhangs on the protruding jaws, And to provide a curved display panel.
- a method of manufacturing a curved display panel including a first substrate and a second substrate comprising the steps of: polishing a portion of a projecting step to be formed on a rim of one or both of the first substrate and the second substrate to a predetermined thickness by mechanical polishing; A masking step of performing masking with a masking member such that a portion of the protruding protruded portion having a predetermined thickness is unsealed by the etchant at a predetermined thickness in the etching step; To a predetermined thickness.
- a masking reinforcing step of providing a masking stiffener on the outer surface of the masking member so as to prevent over-etching of a portion masked by the masking member between the masking step and the etching step.
- the masking step may mask the driving circuit substrate to enclose the driving circuit substrate when the driving circuit substrate for driving the display panel is attached to a portion masked by the masking member.
- the masking member attached to the protruding jaw may be an acid-resistant adhesive tape, and the masking member surrounding the driving circuit substrate may be an acid-resistant film or an acid-resistant bag.
- the rims may be formed on the entire upper, lower, left, and right sides of the display panel, or on the sides of the display panel on which the driver circuit board is mounted, or on the sides of the display panel where the driver circuit board is attached, Or a side of the display panel opposite to the side to which the driving circuit substrate is attached.
- a surface treatment step of applying a smoothing material to minimize the roughness of the mechanically polished polishing surface in the polishing step after the polishing step is a surface treatment step of applying a smoothing material to minimize the roughness of the mechanically polished polishing surface in the polishing step after the polishing step.
- the masking member has a groove forming part exposed at a portion corresponding to a portion where the jaw dividing groove is to be formed so that a jaw dividing groove for reducing the rigidity of the projecting jaw is formed by etching with an etching liquid, .
- the etching step may include a first etching step of etching the substrate with an etchant to a thickness that has been polished in the polishing step to improve the uniformity of the thickness of the substrate to be etched by the etching solution, And a second etching step of etching by an etching solution so as to have a thickness thinner than the thickness of the jaw.
- a curved display panel according to an embodiment of the present invention can be manufactured by the manufacturing method of the curved display panel described above.
- the present invention it is possible to minimize damage to the display panel due to penetration of the etchant by minimizing the exposure of the etchant by reducing the thickness of the protruding portion in advance by mechanical polishing and then performing etching.
- various protruding protrusions can be formed depending on the shape of the masking member, and a masking reinforcement is provided on the masking member to prevent overhanging of the protruding protrusions.
- portion for forming the protruding jaw can be mechanically polished together with the sealing seal to eliminate the inconvenience caused by reinstallation of the sealing seal due to exposure of the sealing seal.
- FIG. 1 is a side cross-sectional view of a display panel for explaining a polishing step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 2 is a side cross-sectional view of a display panel for illustrating a surface treatment step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 3 is a side cross-sectional view of a display panel for illustrating a masking step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 4 is a side cross-sectional view of a display panel for explaining a seal reinforcement step and a masking reinforcement step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 5 is a side cross-sectional view of a display panel for explaining an etching step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 6 is a side cross-sectional view of a display panel for explaining a removing step in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 7 is a perspective view for explaining a protruding jaw formed in an arbitrary shape by a masking member in a method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 8 is an example of a curved display panel manufactured by the method of manufacturing a curved display panel according to an embodiment of the present invention.
- FIG. 9 is another example of the curved display panel manufactured by the method of manufacturing the curved display panel according to the embodiment of the present invention.
- FIG. 10 is another example of the curved display panel manufactured by the method of manufacturing the curved display panel according to the embodiment of the present invention.
- a pre-manufactured flat panel display panel 100 is reduced in thickness by polishing and etching, .
- the flat panel display panel 100 includes a first substrate 110, a second substrate 120, a liquid crystal layer 130 interposed between the first substrate 110 and the second substrate 120, A sealing seal 140 installed between the substrate 110 and the second substrate 120 to seal the liquid crystal layer 130 and a sealing seal 140 for sealing the flat display panel 100 And a tab 155 connecting the driving circuit substrate 150 and the first substrate 110 or the second substrate 120 to each other.
- one of the first substrate 110 and the second substrate 120 is a color filter (CF) substrate
- the other may be a thin film transistor (TFT) substrate.
- the manufacturing method of the curved display panel 100 according to the embodiment of the present invention includes a polishing step.
- the polishing step may be a step of reducing the thickness of the display panel 100 by mechanical polishing so that the portion of the display panel 100, which will protrude from the display panel 100,
- the protruding protrusion 170 protects the driving circuit substrate 150 when the display panel 100 is formed in a desired curved shape in a state where the thickness of the display panel 100 is reduced, 2 substrate 120 in order to prevent breakage of the substrate 120.
- the protrusion 170 may have a greater thickness than the thickness of the display panel 100 etched to protrude from the finally etched display panel 100 and may be formed at the edge of the display panel 100 .
- the protruding jaws 170 are formed on the upper and lower sides (see FIG. 9) of the upper, lower, left, and right sides of the rim portion of the display panel 100 (Refer to FIG. 10), that is, the entire edge portion of the display panel 100 (at this time, the driving circuit board 150 is formed on the lower side, Is positioned on the lower side of the display panel 100.
- the protrusion 170 may be formed on one or both of the first substrate 110 and the second substrate 120.
- the thin film transistor substrate may be polished so that only the color filter substrate forms the protrusion 170 without polishing, The polishing is performed to form the protruding protrusions 170 only on the thin film transistor substrate without performing the polishing or to perform the polishing to form the protrusions 170 on both the thin film transistor substrate substrate and the color filter substrate .
- the polishing step can perform the mechanical polishing by the polishing wheel 200 by rotating the polishing wheel 200, and the polishing wheel 200 can select the surface roughness suitable for polishing the display panel 100, can do.
- the polishing step does not need to expose the display panel 100 to the etchant to form the protruding protrusion 170 by reducing the thickness of the protruding protrusion 170 by mechanical polishing in advance by the thickness of the protruding protrusion 170, The damage of the display panel 100 can be minimized.
- the sealing seal 140 provided at the portion where the tab 155 is attached may be polished together with the protruding protrusion 170 to reduce the thickness thereof have.
- sealing seal 140 is mechanically polished together at the portion where the protruding protrusion 170 is to be formed, it is possible to prevent the sealing seal 140 from being reinstalled due to protrusion of the sealing seal 140 after etching.
- the method of manufacturing the curved display panel 100 according to the embodiment of the present invention may include a surface treatment step.
- This surface treatment step may be performed by applying a smoothing material 175 to minimize the roughness of the portion where the protruding protrusion 170 with reduced thickness is to be formed by mechanical polishing.
- the smoothing member 175 may be formed of a resin, and the resin may be a UV resin cured by UV or a thermosetting resin cured by application of heat and a room temperature curable resin cured at a room temperature over time .
- the method of manufacturing the curved display panel 100 according to the embodiment of the present invention may include a masking step.
- this masking step masking is performed on a portion to be formed with the protruding protrusion 170 reduced to a preset thickness in the polishing step, thereby preventing the thickness of the protruding protrusion 170 from being reduced by the etching performed in the etching step to be described below can do.
- masking may be performed in a manner that a masking member 180 having an acid resistance that is not etched by the etching solution is attached to a portion where the protrusion 170 is to be formed.
- the masking member 180 may be mounted on all edges of the display panel 100 to form the protrusion 170 and the masking member 180 may be embodied as an acid resistant adhesive tape 180a having an adhesive layer. have.
- the masking member 180 When the masking member 180 is masked with the driving circuit substrate 150, the masking member 180 is masked with the driving circuit substrate 150 to cover the driving circuit substrate 150, (150).
- the masking member 180 for masking the driving circuit substrate 150 may be formed by masking the acid resistant film 180 with the acid resistant film 180 being passed over the driving circuit board 150, Masking can be performed.
- the driving circuit substrate 150 may be formed so as to surround the driving circuit substrate 150 from the portion where the protrusion 170 is to be formed to the driving circuit substrate 150 Or may be carried out in such a manner that it is rolled up with the acid-resistant adhesive tape 180a.
- the driving circuit board 150 is wound around the driver circuit board 150 with the acid resistant adhesive tape 180a, the driver circuit board 150 is placed on the display panel 100, Can be attached in a form of being laid.
- the masking member 180 to be masked at the protruding protrusion 170 may be formed in a shape corresponding to the formation of the protruding protrusion 170 so that the protruding protrusion 170 has an arbitrary shape .
- the protruding jaws 170 are etched by the etchant at regular intervals to form the jaw dividing grooves 171,
- the groove forming portion 181 can be formed in the masking member 180 so that the portion for forming the jaw dividing groove 171 can be exposed by the etching liquid.
- the masking step may include a seal reinforcement step.
- a seal reinforcement material 145 may be provided around the display panel 100 to prevent the display panel 100 from being damaged due to penetration of the etchant.
- the seal reinforcement may be performed by providing a seal reinforcement 145 around the sealing seal 140 that hermetically seals the liquid crystal layer 130 from the first substrate 110 and the second substrate 120
- the seal reinforcement 145 covers the seal seal 140 and the etchant corrodes the seal seal 140 so that the liquid crystal layer 130 flows out of the display panel 100 or the etchant flows into the liquid crystal layer 130 Can be prevented.
- the seal reinforcement 145 may be made of a material having resistance to corrosion to prevent corrosion of the etchant.
- the seal reinforcement 145 may be formed of a resin and applied to the periphery of the display panel 100, And may be mounted on the display panel 100 in a form attached to the periphery of the display panel 100.
- the seal reinforcement member 145 may be provided around the entire periphery of the display panel 100 on which the drive circuit board 150 is mounted, or may be installed around the periphery of the drive circuit board 150, It is possible.
- the resin may be any of UV resin cured by UV, thermosetting resin cured by heating, and room temperature curable resin cured at room temperature over time.
- the manufacturing method of the curved display panel 100 may include a masking reinforcing step.
- the masking reinforcing step is a step of reinforcing the masking by providing a masking reinforcement 185 to prevent overhanging the protrusion 170 during etching by the etching solution.
- the masking reinforcing step may be performed by providing a masking reinforcement 185 on the outer surface of the masking member 180 attached to the portion where the protrusion 170 is to be formed.
- the masking member 180 is relatively thin, if the etching is performed after attaching only the masking member 180, the etching liquid may be penetrated into the lower portion of the masking member 180, resulting in an overeating angle.
- the masking stiffener 170 applied to the outer surface of the masking member 180 185 can reinforce the thickness of the masking member 180 to guide the flow of the etching solution, thereby preventing the overeating angle caused by the infiltration of the etching solution into the lower portion of the masking member 180.
- the masking reinforcement 185 may be implemented by applying the resin to the outer surface of the masking member 180.
- the resin may be a UV resin cured by UV, a thermosetting resin cured by heating, Temperature curing resin which is cured by heating.
- the method of manufacturing the curved display panel 100 according to the embodiment of the present invention may include an etching step.
- This etching step may be a step of visualizing the entire surface of the display panel 100 by the etchant so that the thickness of the display panel 100 becomes a predetermined thickness.
- the display panel 100 may be etched so that the etching step has a thickness thinner than the protruding protrusions 170 that are not misaligned by the masking member 180, and the etching step may include a step of etching the display panel 100 And can be performed.
- the display panel 100 is brought into the etching apparatus in a state where the driving circuit substrate 150 is positioned on the upper side, and the etching apparatus is formed by flowing the etching liquid from the upper part of the display panel 100,
- the etching may be performed in a manner that one surface is etched or an etchant is sprayed on both surfaces or one surface of the display panel 100.
- the substrates 110 and 120 which do not form the protrusions 170
- the protrusions 170 are formed by etching the entire surface of the substrate 110 or 120 with the etchant so as to reduce the thickness or by removing the substrate 110 or 120 not forming the protrusions 170 Etching may be performed so that only the thickness of the substrate 110, 120 decreases.
- the etching step may include a first etching step and a second etching step.
- the thickness when thick etching is performed at a time by the etching liquid, the thickness may be unevenly etched, so that etching can be performed twice in order to uniform the thickness of the etching surface.
- the first etching step may be etched by the etching liquid so as to be equal to the reduced thickness by the mechanical polishing at the portion where the protruding step 170 is to be formed, and the second etching step may be performed such that the protruding protrusion 170 protrudes It may be performed in a form of etching to a thickness thinner than the thickness of the jaw 170.
- the method of manufacturing the curved display panel 100 according to the embodiment of the present invention may include a removing step.
- This removal step may be to remove the masking members 180 that were attached for etching in the masking step.
- the removal step may remove the masking member 180 attached to the portion where the protrusion 170 is to be formed and the masking member 180 wrapping the driving circuit substrate 150 together in the masking step. 180 together with the masking reinforcement 185 provided on the outer surface of the masking member 180 and the seal reinforcement 145 provided around the display panel 100 may be removed together.
- the inspection is finally performed.
- the curved display panel 100 is manufactured by curving the display panel 100 into a desired curved surface shape .
- the curved display device is manufactured in such a manner that the curved display panel 100 is installed in a case previously formed in a curved shape or a curved surface holding member capable of maintaining a curved shape is attached to the display panel 100.
- the portion of the display panel 100 where the protrusions 170 are to be formed is previously cut by mechanical polishing, thereby minimizing the exposure of the etchant The damage of the display panel 100 by the etching solution can be minimized.
- the protrusions 170 may be formed in various shapes according to the shape of the masking member 180 and the masking reinforcement 185 may be provided on the masking member 180 so that the protrusions 170, It is possible to prevent breakage of the battery.
- display panel 110 first substrate
- Sealing seal 145 Seal stiffener
- protruding jaw 171 jaw split groove
- groove forming part 185 masking stiffener
- the present invention is applicable to various display industries in which display devices such as game machines, digital signage, and monitors are used.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (10)
- 제1 기판과 제2 기판을 포함하는 평판형 디스플레이패널의 두께를 감소시켜 곡면형 디스플레이패널을 제조하기 위한 곡면형 디스플레이패널의 제조방법에 있어서,상기 제1 기판과 상기 제2 기판 중 어느 하나 또는 둘 모두의 테두리에 형성될 돌출턱의 부분을 기계적인 연마에 의해 미리 설정된 두께로 깎아내는 연마단계,상기 연마단계에서 미리 설정된 두께로 깎인 돌출턱의 부분이 식각액에 의해 미식각되도록 마스킹부재로 마스킹을 수행하는 마스킹단계, 및상기 마스킹부재로 마스킹된 부분보다 더 얇은 두께를 가져 상기 돌출턱이 돌출되도록 식각액에 의해 미리 설정된 두께로 식각하는 식각단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 마스킹단계와 상기 식각단계의 사이에상기 마스킹부재로 마스킹된 부분이 과식각되는 것을 방지하기 위해 상기 마스킹부재의 외면에 두께를 가지도록 마스킹보강재를 설치하는 마스킹보강단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 마스킹단계는상기 마스킹부재로 마스킹하는 부분에 상기 디스플레이패널을 구동하는 구동회로기판이 부착된 경우, 상기 구동회로기판을 함께 감싸도록 마스킹하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제3 항에 있어서,상기 돌출턱을 형성할 부분에 부착되는 마스킹부재는 내산성 접착테입이며,상기 구동회로기판을 감싸는 마스킹부재는 내산성 필름 또는 내산성 봉지인 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 식각단계 이전에상기 제1 기판과 제2 기판의 둘레를 기밀하는 밀봉씰을 보호하기 위해 상기 디스플레이패널의 둘레에 씰보강재를 설치하는 씰보강단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 테두리는상기 디스플레이패널의 상,하,좌,우의 전체 변, 또는 상기 디스플레이패널에서 구동회로기판이 부착된 변, 또는 상기 디스플레이패널에서 구동회로기판이 부착된 변의 좌,우측에 위치되는 변, 또는 상기 디스플레이패널에서 구동회로기판이 부착된 변과 마주하는 반대방향에 위치되는 변인 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 연마단계 이후에,상기 연마단계에서 기계적으로 연마된 연마면의 거칠기를 최소화하기 위해 평활재를 도포하는 면처리단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 마스킹부재는상기 돌출턱의 일부에 상기 돌출턱의 강성을 감소시키는 턱분할홈이 식각액에 의해 식각되어 형성되도록 상기 턱분할홈이 형성될 부분과 대응되는 부분에 식각액에 의해 노출되는 홈형성부를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1 항에 있어서,상기 식각단계는식각액에 의해 식각되는 두께의 균일도를 향상시키기 위해, 상기 연마단계에서 연마된 두께로 식각액에 의해 식각하는 1차 식각단계, 및상기 1차 식각단계 이후 상기 돌출턱이 돌출되도록 상기 돌출턱의 두께보다 얇은 두께를 가지도록 식각액에 의해 식각하는 2차 식각단계를 포함하는 것을 특징으로 하는 곡면형 디스플레이패널의 제조방법.
- 제1항 내지 제9항 중 어느 한 항에 기재된 곡면형 디스플레이패널의 제조방법으로 제조된 곡면형 디스플레이패널.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/098,127 US10705360B2 (en) | 2016-06-21 | 2017-06-20 | Method for manufacturing curved display panel, and curved display panel manufactured by same manufacturing method |
AU2017280757A AU2017280757B2 (en) | 2016-06-21 | 2017-06-20 | Curved display panel manufacturing method and curved display panel manufactured by manufacturing method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0077499 | 2016-06-21 | ||
KR1020160077499A KR101831944B1 (ko) | 2016-06-21 | 2016-06-21 | 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017222263A1 true WO2017222263A1 (ko) | 2017-12-28 |
Family
ID=60784884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2017/006426 WO2017222263A1 (ko) | 2016-06-21 | 2017-06-20 | 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10705360B2 (ko) |
KR (1) | KR101831944B1 (ko) |
AU (1) | AU2017280757B2 (ko) |
WO (1) | WO2017222263A1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190105958A (ko) * | 2018-03-07 | 2019-09-18 | (주)코텍 | 액정패널용 식각장치 |
KR20190114269A (ko) * | 2018-03-29 | 2019-10-10 | (주)코텍 | 액정패널용 식각방법 |
KR102649331B1 (ko) * | 2018-08-14 | 2024-03-20 | 삼성디스플레이 주식회사 | 표시장치 |
KR102210731B1 (ko) * | 2018-08-28 | 2021-02-02 | 이피네트시스템즈 주식회사 | 곡면형 디스플레이의 제조방법 |
KR20200024523A (ko) * | 2018-08-28 | 2020-03-09 | 이피네트시스템즈 주식회사 | 곡면형 디스플레이의 제조방법 |
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 |
KR102125046B1 (ko) | 2018-12-18 | 2020-06-19 | 주식회사 토비스 | 곡면형 디스플레이 모듈 및 그의 제조방법 |
KR102089007B1 (ko) | 2018-12-31 | 2020-03-13 | 주식회사 토비스 | 곡면형 디스플레이 모듈 및 그의 제조방법 |
KR102118653B1 (ko) | 2019-03-22 | 2020-06-05 | (주)판타룩스 | 곡면형 백라이트 유닛 |
KR102200337B1 (ko) * | 2019-07-24 | 2021-01-08 | 주식회사 토비스 | 표시 장치 및 그 제조 방법 |
KR102162307B1 (ko) | 2019-08-13 | 2020-10-07 | (주)판타룩스 | 분할형 바텀샤시 구조물 |
KR102228447B1 (ko) * | 2019-12-04 | 2021-03-16 | 주식회사 토비스 | 표시 장치 및 그 제조 방법 |
KR20210100332A (ko) * | 2020-02-06 | 2021-08-17 | 주식회사 토비스 | 부분 곡면 또는 접는형 표시 장치 및 그 제조 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005077945A (ja) * | 2003-09-02 | 2005-03-24 | Toshiba Matsushita Display Technology Co Ltd | 表示装置の製造方法 |
JP2009047875A (ja) * | 2007-08-20 | 2009-03-05 | Hitachi Displays Ltd | 液晶表示装置の製造方法 |
KR20130011498A (ko) * | 2011-07-21 | 2013-01-30 | 엘지디스플레이 주식회사 | 박형 글라스의 가공방법 |
KR20140053774A (ko) * | 2012-10-26 | 2014-05-08 | 주식회사 토비스 | 곡면형 디스플레이의 제조방법 |
KR101624717B1 (ko) * | 2014-12-24 | 2016-05-26 | 주식회사 토비스 | 지연식각부재 및 이를 이용한 디스플레이패널의 식각방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101179436B1 (ko) * | 2009-09-18 | 2012-09-04 | 주식회사 토비스 | 곡면 형태의 디스플레이 패널 제조 방법 |
US8802464B2 (en) | 2011-07-21 | 2014-08-12 | Lg Display Co., Ltd. | Method of forming process substrate using thin glass substrate and method of fabricating flat display device using the same |
KR101796707B1 (ko) * | 2016-04-01 | 2017-12-01 | 주식회사 토비스 | 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 |
-
2016
- 2016-06-21 KR KR1020160077499A patent/KR101831944B1/ko active IP Right Grant
-
2017
- 2017-06-20 US US16/098,127 patent/US10705360B2/en active Active
- 2017-06-20 AU AU2017280757A patent/AU2017280757B2/en active Active
- 2017-06-20 WO PCT/KR2017/006426 patent/WO2017222263A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005077945A (ja) * | 2003-09-02 | 2005-03-24 | Toshiba Matsushita Display Technology Co Ltd | 表示装置の製造方法 |
JP2009047875A (ja) * | 2007-08-20 | 2009-03-05 | Hitachi Displays Ltd | 液晶表示装置の製造方法 |
KR20130011498A (ko) * | 2011-07-21 | 2013-01-30 | 엘지디스플레이 주식회사 | 박형 글라스의 가공방법 |
KR20140053774A (ko) * | 2012-10-26 | 2014-05-08 | 주식회사 토비스 | 곡면형 디스플레이의 제조방법 |
KR101624717B1 (ko) * | 2014-12-24 | 2016-05-26 | 주식회사 토비스 | 지연식각부재 및 이를 이용한 디스플레이패널의 식각방법 |
Also Published As
Publication number | Publication date |
---|---|
AU2017280757A1 (en) | 2018-11-22 |
US10705360B2 (en) | 2020-07-07 |
AU2017280757B2 (en) | 2022-04-14 |
KR20170143355A (ko) | 2017-12-29 |
US20190137800A1 (en) | 2019-05-09 |
KR101831944B1 (ko) | 2018-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017222263A1 (ko) | 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 | |
WO2017171236A1 (ko) | 곡면형 디스플레이패널의 제조방법 및 이 제조방법에 의해 제조된 곡면형 디스플레이패널 | |
US9784998B2 (en) | Method for manufacturing curved display | |
WO2013152533A1 (zh) | 液晶面板及其制作方法 | |
KR101658432B1 (ko) | 디스플레이패널의 식각을 위한 디스플레이패널의 씰링방법 및 이를 이용한 디스플레이패널의 식각방법 | |
KR101437534B1 (ko) | 곡면 디스플레이 패널 제조를 위한 기판 식각방법 | |
WO2014048012A1 (zh) | 液晶显示面板及其制作方法 | |
WO2016104844A1 (ko) | 지연식각부재 및 이를 이용한 디스플레이패널의 식각방법 | |
KR101955595B1 (ko) | 곡면 디스플레이 패널의 에칭 시스템 | |
WO2017018676A1 (ko) | 곡면형 디스플레이의 제조방법 | |
WO2015072802A1 (ko) | 패널 보호용 윈도우, 이를 포함하는 휴대 단말기 및 이의 제작방법 | |
WO2017155222A1 (ko) | 스트레치드 디스플레이패널 및 이의 제조방법 | |
WO2016195296A1 (ko) | 컬러 필터 및 이의 제조 방법 | |
JP2009047897A (ja) | 薄型パネルの製造方法 | |
WO2019172534A1 (ko) | 액정패널용 식각방법 및 액정패널용 식각장치 | |
KR100191937B1 (ko) | 연마 처리 장치 및 연마 처리 방법 | |
WO2020045817A1 (ko) | 곡면형 디스플레이의 제조방법 | |
WO2020138787A1 (ko) | 액정패널 및 액정패널용 식각방법 | |
JP4632741B2 (ja) | 液晶表示装置用の基板の製造方法 | |
WO2019190045A1 (ko) | 액정패널용 식각방법 | |
WO2014065567A1 (ko) | 곡면형 디스플레이의 제조방법 | |
WO2019041552A1 (zh) | Tft基板的制作方法及tft显示装置的制作方法 | |
JP2003161924A (ja) | 液晶表示パネルの製造方法及び当該製造方法により製造した液晶表示パネルを用いた液晶表示装置 | |
JPH10333156A (ja) | カラー液晶表示パネル | |
JP2000029043A (ja) | 液晶表示装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2017280757 Country of ref document: AU Date of ref document: 20170620 Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17815676 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 17815676 Country of ref document: EP Kind code of ref document: A1 |