WO2014204083A1 - 터치스크린용 디스플레이 유닛 및 이의 제조방법 - Google Patents
터치스크린용 디스플레이 유닛 및 이의 제조방법 Download PDFInfo
- Publication number
- WO2014204083A1 WO2014204083A1 PCT/KR2014/002376 KR2014002376W WO2014204083A1 WO 2014204083 A1 WO2014204083 A1 WO 2014204083A1 KR 2014002376 W KR2014002376 W KR 2014002376W WO 2014204083 A1 WO2014204083 A1 WO 2014204083A1
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- WIPO (PCT)
- Prior art keywords
- layer
- decoration
- display unit
- carrier
- adhesive layer
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Definitions
- the present invention relates to a display unit for a touch screen and a method of manufacturing the same, and more particularly, a decoration layer which represents letters, patterns, patterns, metal textures, etc. is provided on one surface of the adhesive layer, and a window is attached to the other surface to increase the thickness.
- the present invention relates to a display unit for a touch screen and a method of manufacturing the same.
- the present invention has an advantage of preventing the amount of bleeding, such as imprinting, that may occur during the manufacturing process by forming a display window by completely drilling a portion of the adhesive layer and the decoration layer attached to the window.
- the present invention relates to a display unit for a touch screen and a method of manufacturing the same that can be easily changed in shape and applied to a three-dimensional window.
- a portable terminal refers to a communication device that can exchange calls and data while moving. Recently, a variety of useful functions have been implemented in portable terminals in the age of digital convergence.
- a user can use a handheld terminal to use audio on demand (AOD) and video on demand (VOD) services, make a video call where call parties look directly at the other party's face, or download a game. Play. That is, portable terminals are no longer limited to the area of voice communication equipment.
- AOD audio on demand
- VOD video on demand
- the manufacturers of the portable terminals have a display unit for implementing a touch screen function (hereinafter referred to as a display for a touch screen). Unit ”) to the user.
- the touch screen panel used in the portable terminal is a capacitive overlay method, a resistive overlay method, a surface acoustic wave method, a transmitter method and an infrared beam. And the like.
- the capacitive type is mainly used in the portable terminal.
- the capacitive touch screen panel covers a window 1 made of PET, which is a dielectric or an insulator, and a silver paste electrode 2 coated on the bottom edge of the window 1 and then bonded as shown in FIG. 1.
- the Korean Patent Application Publication No. 10-2010-0065486 uses a window and coats the CNT material in a screen manner to improve the strength of the display unit and to reduce the defect rate by reducing the double-sided tape attachment process.
- a capacitive touch screen panel structure is disclosed.
- the touch panel is made of a high strength plate 18, a UV coating layer 22, an icon portion 20, a CNT coating layer 16, a silver paste electrode 14 and ground made of a high strength material such as acrylic or a window. And an electrode 24, and an LCD 10.
- the touch panel configured as described above includes a plurality of layers, defects frequently occur during the manufacturing process, and it is difficult to satisfy a consumer's desire to reduce the thickness of the portable terminal.
- An object of the present invention is to solve the problems of the prior art as described above, and more specifically, a decoration layer representing letters, patterns, patterns, textures, etc. is provided on one surface of the adhesive layer, and the window is attached to the other surface.
- the present invention provides a display unit for a touch screen and a method of manufacturing the same for reducing the thickness significantly.
- Another object of the present invention is to provide a display unit for a touch screen and a method for manufacturing the same, wherein the adhesive member can be attached directly to the window without having a thick PET film having strength. It is.
- the display unit for a touch screen according to the present invention for achieving the above object the adhesive layer having an adhesive function on both sides, a decoration layer showing any one or more of letters, patterns, patterns, textures on one surface of the adhesive layer, It is attached to the other side of the adhesive layer is characterized in that it comprises a window for causing the decoration layer to see through and form an appearance.
- a portion of the decoration layer and the adhesive layer is perforated to form a display window.
- the adhesive layer is characterized in that the transparent.
- the decoration layer is characterized by consisting of a plurality of layers.
- a method of manufacturing a display unit for a touch screen including: a decoration forming step of forming a decoration layer representing at least one of letters, patterns, patterns, and metal textures on a release layer provided on a film; and an outer surface of the decoration layer.
- Attaching a carrier having an adhesive to the carrier, a decoration transition step of transferring the decoration layer to the carrier by separating the release layer and the decoration layer, and adhering the adhesive layer having the decoration layer and the protective film The step of providing an adhesive layer, the processing step of processing the carrier, the decoration layer, the adhesive layer and the protective film at the same time, and remove the protective film to attach the adhesive layer and the window to remove the carrier to complete the display unit for the touch screen Characterized in that the completion step.
- the completion step characterized in that consisting of a window attachment process of removing the protective film to attach the adhesive layer and the window, and a carrier removal process of removing the carrier from the decoration layer.
- the adhesive layer is characterized by having a greater adhesive ability than the carrier.
- the carrier is characterized in that the adhesive on only one side.
- the decoration forming step is characterized in that the process of forming a plurality of decorations on one surface of the release layer.
- a display window is formed by simultaneously drilling a part of the carrier, the decoration layer, the adhesive layer, and the protective film.
- one surface of the adhesive layer is provided with a decoration layer representing letters, patterns, patterns, metal texture, etc., the other side is a window is attached to complete the display unit.
- the adhesive member is directly attached to the window without having a thick PET film with strength, there is an advantage that can be attached to the curved window.
- FIG. 1 is a longitudinal sectional view showing a structure of a capacitive touch display unit according to the prior art.
- FIG. 2 is a longitudinal sectional view showing a structure of a touch display unit disclosed in Korean Laid-Open Patent Publication No. 10-2010-0065486.
- Figure 3 is a plan view showing the appearance configuration of a display unit for a touch screen according to the present invention.
- FIG. 4 is a longitudinal sectional view taken along the line II ′ of FIG. 3 showing an internal configuration of a display unit for a touch screen according to the present invention
- FIG. 5 is a process flowchart showing a manufacturing method of a display unit for a touch screen according to the present invention.
- Figure 6 is a longitudinal cross-sectional view showing a state when the decoration forming step is a step in the manufacturing method of the display unit for a touch screen according to the present invention.
- Figure 7 is a longitudinal cross-sectional view showing the state upon completion of the step of attaching a carrier in the manufacturing method of the display unit for a touch screen according to the present invention.
- Figure 8 is a longitudinal cross-sectional view showing the state at the completion of the carrier transition step is a step in the manufacturing method of the display unit for a touch screen according to the present invention.
- Figure 9 is a longitudinal cross-sectional view showing the state upon completion of the adhesive layer assembling step is a step in the manufacturing method of the display unit for a touch screen according to the invention.
- Figure 10 is a longitudinal cross-sectional view showing the state at the completion of one step processing step in the manufacturing method of the display unit for a touch screen according to the present invention.
- Figure 11 is a longitudinal cross-sectional view showing a process of removing the protective film and the carrier during the completion step, which is one step in the manufacturing method of the display unit for a touch screen according to the present invention.
- FIG. 12 is a process flow chart showing in detail the one step completion step in the manufacturing method of the display unit for a touch screen according to the present invention.
- display unit 100 a configuration of a display unit for a touch screen (hereinafter referred to as display unit 100) according to the present invention will be described with reference to FIGS. 3 and 4.
- FIG. 3 is a plan view showing an external configuration of the touch screen display unit 100 according to the present invention
- FIG. 4 illustrates an internal configuration of the touch screen display unit 100 according to the present invention.
- a longitudinal section view of the -I 'section is shown.
- the touch screen display unit 100 is provided at a rear side of a window 110 constituting the appearance of a capacitive overlay type touch screen, and includes a window 110 to complete a panel. Done.
- the window 110 is generally adopted tempered glass, it is possible to change the transparent material to a variety of materials within a range having a predetermined strength.
- the adhesive layer 120 and the decoration layer 130 are provided at the rear of the window 110 to significantly reduce the thickness of the display unit 100.
- a general display unit has a thick and hard film embedded therein is not applicable to a thick and curved window
- the display unit 100 manufactured according to a preferred embodiment of the present invention window 110 without the film is embedded Since only the adhesive layer 120 and the display layer 130 is formed on the back of the), not only the thickness reduction effect but also the moldability can be improved.
- the adhesive layer 120 has a protective film (refer to reference numeral 122 of FIG. 10) is removed and the exposed surface is attached to the window 110 to have an adhesive function.
- the decoration layer 130 is formed at the rear of the adhesive layer 120 to represent any one or more of letters, patterns, patterns, and metallic textures having various colors.
- the adhesive layer 120 and the window 110 are configured to be transparent, and the decoration is UV pattern printing, vacuum deposition for metal texture, color printing, etc. are applied in various ways when looking out from the outside of the window 110. It is projected as a decoration.
- the transparent display window 140 is provided at the center of the display unit 100 for the touch screen.
- the display window 140 is configured such that the display unit 100 can be completely viewed by maintaining transparency because no color printing or deposition process is applied in the decoration layer 130.
- the display window 140 is formed by simultaneously drilling a central portion of the adhesive layer 120 and the decoration layer 130 in the embodiment of the present invention, the adhesive layer 120 and the decoration layer 130 is perforated in the center portion It is configured to have a closed loop (Closed-loop) shape, the center portion is not present to form a display window.
- the display unit 100 configured as described above has a simple laminated structure as shown in FIG. 4, so that the thickness thereof becomes thin. Since the adhesive layer 120 and the decoration layer 130 can be changed in shape, the window 110 is knitted. It can be attached without lifting even if it has bending without it.
- FIG. 5 is a process flowchart showing a manufacturing method of the touch screen display unit 100 according to the present invention.
- the display unit 100 includes a decoration forming step of forming a decoration layer 130 representing any one or more of letters, patterns, patterns, and metal textures on the release layer 152 of the film 150 ( S100, a carrier attaching step of attaching a carrier 160 having adhesiveness to the outer surface of the decoration layer 130, and the release layer 152 and the decoration layer 130 by separating the carrier 160.
- the carrier 160, the decoration layer 130, the processing step (S500) for simultaneously processing the adhesive layer 120 and the protective film 122, and the protective film 122 is removed to remove the adhesive layer 120 and the window
- the display unit 100 for the touch screen by attaching the 110 and removing the carrier 160. It is produced by performing a complete step (S600) to complete the sequence.
- the film 150 is a release film having a release layer 152 is adopted, the decoration layer 130 on the outer surface of the release layer 152 provided on one side of the film 150 Will form.
- the decoration layer 130 may be variously expressed, such as letters, patterns, and metallic textures, and various colors may be added.
- the decoration layer 130 may include a plurality of layers, and when the decoration forming step S100 is completed, the cross-sectional state is as shown in FIG. 6.
- the carrier attaching step (S200) of attaching the carrier 160 to the outer surface of the decoration layer 130 is performed.
- the carrier attaching step (S200) is a preliminary step in which a material having adhesive force is adopted so that the decoration layer 130 can be transferred to the carrier 160 later.
- the carrier 160 may have an adhesive property, but may be configured to have an adhesive force only on one surface in contact with the decoration layer 130, and may be configured to have an adhesive force only on a part of the carrier layer contacting the decoration layer 130.
- the carrier 160 may have an adhesive property, but may be configured to have an adhesive force only on one surface in contact with the decoration layer 130, and may be configured to have an adhesive force only on a part of the carrier layer contacting the decoration layer 130.
- FIG. 7 is a longitudinal cross-sectional view showing a state when the carrier attaching step (S200), which is one step in the manufacturing method of the touch screen display unit 100 according to the present invention.
- a decoration transition step (S300) of separating the release layer 152 and the film 150 from the decoration layer 130 is performed.
- the decoration transition step (S300) is to transfer the decoration layer 130 formed on the release layer 152 to the carrier 160.
- the carrier 160 has an adhesive force. Do.
- the coupling force of the carrier 160 and the decoration layer 130 is greater than the coupling force of the release layer 152 and the decoration layer 130, and the decoration transition step (S300).
- S300 carrier transition step
- the adhesive layer providing step (S400) is a process of attaching the adhesive layer 120 having the protective film 122 to the decoration layer 130 from which the release layer 152 is separated.
- FIG. 9 is a longitudinal cross-sectional view illustrating a state in which an adhesive layer providing step (S400) is completed in a method of manufacturing a touch screen display unit 100 according to the present invention, the bottom surface of the decoration layer 130 having a state as shown in FIG. 8.
- the adhesive layer 120 is attached, and a protective film 122 is provided on the bottom surface of the adhesive layer 120.
- the processing step (S500) is a process of simultaneously processing the carrier 160, the decoration layer 130, the adhesive layer 120, and the protective film 122.
- the cutting operation may be performed to be separated separately through the processing step (S500), and if necessary, perforation. Work can be done.
- the centered portion is formed to form the display window 140 as described above.
- FIG. 10 is a longitudinal sectional view showing a state of completion of a processing step (S500), which is one step in the manufacturing method of the touch screen display unit 100 according to the present invention, a cutting step (S500) of cutting along a dotted line of FIG. 9.
- a processing step S500
- S500 a cutting step of cutting along a dotted line of FIG. 9.
- a plurality of cross-sectional structures as shown in FIG. 10 may be obtained.
- the completion step (S600) is a step of completing the display unit 100 through the process as shown in Figure 11 the structure of the state as shown in FIG.
- Figure 11 is a longitudinal cross-sectional view showing a process of removing the protective film 122 and the carrier 160 of the completion step (S600) that is one step in the manufacturing method of the touch screen display unit 100 according to the present invention, After removing the protective film 122 of the adhesive layer 120, the adhesive layer 120 and the window 110 are attached, and then the decoration layer 130 and the carrier 160 attached to the display unit 100 are separated. Will be completed).
- the completion step (S600) is configured to include a plurality of processes as shown in FIG.
- FIG. 12 is a process flowchart showing in detail a completion step S600 which is one step in the manufacturing method of the touch screen display unit 100 according to the present invention.
- the completion step S600 the protective film 122 is removed.
- the window attaching process (S620) and the carrier removing process (S640) are performed sequentially.
- the carrier 160 is in the form of a film having a predetermined strength, when the carrier 130 is first removed from the decoration layer 130, it is difficult to perform the window attaching process (S620).
- the window attachment process (S620) is performed without removing the carrier 160 to maintain the adhesive layer 120, the decoration layer 130, and the carrier 160 sequentially attached to the window 110.
- the adhesive layer 120 and the decoration layer 130 attached to the window 110 have a low restoring force due to the removal of the carrier 160, thereby making it firm to the window 110. It is possible to maintain the attached state.
- the manufacturing of the display unit 100 is completed, and the thin film is realized by including only the window 110, the adhesive layer 120, and the decoration layer 130 without any film. Also, it can be attached to the window 110 having a bend.
- the adhesive layer 120 has an adhesive function on both sides and a transparent OCA (Optically Clear Adhesive) tape is adopted.
- OCA Optically Clear Adhesive
- the present invention relates to the display unit 100, but the display window 140 is provided, but the decoration layer 130 may be provided on the entire surface of the adhesive layer 120 without the display window 140.
- the display window 140 is provided, but the decoration layer 130 may be provided on the entire surface of the adhesive layer 120 without the display window 140.
- the drilling step for forming the display window 140 and the cutting operation for cutting the outer edge are simultaneously performed in the processing step (S500), in order to ensure more accurate dimensional accuracy, the state as shown in FIG. In the protective film 122, the support layer (not shown) may be carried out in the state of attaching the drilling and cutting operations.
- drilling operation and the ablation operation may be performed sequentially.
- the present invention is provided with a printable layer on one side of the adhesive member having an adhesive function on both sides to enable the formation of a print layer or a deposition layer representing letters, patterns, patterns, metal textures, etc.
- the present invention is not provided with a PET film and can be attached to a curved surface without limitation in the shape of a window made of tempered glass or PC, it can be widely applied to various products to which a display panel for a touch screen is applied.
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Description
Claims (10)
- 양면에 접착 기능을 갖는 접착층과,상기 접착층의 일면에서 글자, 문양, 패턴, 금속질감 중 어느 하나 이상을 나타내는 데코레이션층과,상기 접착층의 다른 면에 부착되어 상기 데코레이션층이 투시되게 하고 외관을 형성하는 윈도우를 포함하여 구성됨을 특징으로 하는 터치스크린용 디스플레이 유닛.
- 제 1 항에 있어서, 상기 데코레이션층과 접착층의 일부는 천공되어 표시창을 형성하는 것을 특징으로 하는 터치스크린용 디스플레이 유닛.
- 제 2 항에 있어서, 상기 접착층은 투명한 것을 특징으로 하는 터치스크린용 디스플레이 유닛.
- 제 3 항에 있어서, 상기 데코레이션층은 다수 층으로 이루어진 것을 특징으로 하는 터치스크린용 디스플레이 유닛.
- 필름에 구비된 이형층에 글자, 문양, 패턴, 금속질감 중 어느 하나 이상을 나타내는 데코레이션층을 형성하는 데코레이션 형성단계와,상기 데코레이션층의 외면에 접착성을 갖는 캐리어를 부착하는 캐리어 부착단계와,상기 이형층과 데코레이션층을 분리하여 캐리어에 데코레이션층이 부착되도록 전이하는 데코레이션 전이단계와,상기 데코레이션층과 보호필름을 구비한 접착층을 접착하는 접착층 구비단계와,상기 캐리어와, 데코레이션층과, 접착층 및 보호필름을 동시에 가공하는 가공 단계와,상기 보호필름을 제거하여 접착층과 윈도우를 부착하고 캐리어를 제거하여 터치스크린용 디스플레이 유닛을 완성하는 완성 단계로 이루어지는 것을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
- 제 5 항에 있어서, 상기 완성 단계는,상기 보호필름을 제거하여 접착층과 윈도우를 부착하는 윈도우 부착과정과,상기 데코레이션층으로부터 캐리어를 제거하는 캐리어 제거과정으로 이루어지는 것을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
- 제 6 항에 있어서, 상기 접착층은 캐리어보다 큰 접착 능력을 갖는 것을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
- 제 7 항에 있어서, 상기 캐리어는 1면에만 접착성을 갖는 것을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
- 제 8 항에 있어서, 상기 데코레이션 형성단계는,상기 이형층의 일면에 다수의 데코레이션을 형성하는 과정임을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
- 제 5 항에 있어서, 상기 가공 단계 중에는,상기 캐리어와, 데코레이션층과, 접착층 및 보호필름의 일부를 동시에 천공하여 표시창이 형성됨을 특징으로 하는 터치스크린용 디스플레이 유닛의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US14/899,634 US9870079B2 (en) | 2013-06-21 | 2014-03-20 | Touch screen display unit and method for manufacturing same |
CN201480035417.XA CN105324742B (zh) | 2013-06-21 | 2014-03-20 | 触摸屏显示单元及其制造方法 |
EP14813983.5A EP3012716A4 (en) | 2013-06-21 | 2014-03-20 | Touch screen display unit and method for manufacturing same |
JP2016521183A JP2016522518A (ja) | 2013-06-21 | 2014-03-20 | タッチスクリーン用ディスプレーユニット及びその製造方法 |
Applications Claiming Priority (2)
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KR10-2013-0071607 | 2013-06-21 | ||
KR1020130071607A KR101350428B1 (ko) | 2013-06-21 | 2013-06-21 | 터치스크린용 디스플레이 유닛 및 이의 제조방법 |
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WO2014204083A1 true WO2014204083A1 (ko) | 2014-12-24 |
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PCT/KR2014/002376 WO2014204083A1 (ko) | 2013-06-21 | 2014-03-20 | 터치스크린용 디스플레이 유닛 및 이의 제조방법 |
Country Status (7)
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US (1) | US9870079B2 (ko) |
EP (1) | EP3012716A4 (ko) |
JP (1) | JP2016522518A (ko) |
KR (1) | KR101350428B1 (ko) |
CN (1) | CN105324742B (ko) |
TW (1) | TWI522866B (ko) |
WO (1) | WO2014204083A1 (ko) |
Cited By (1)
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KR20180090935A (ko) | 2017-02-03 | 2018-08-14 | 희성전자 주식회사 | 관통부를 갖는 캐리어 필름 및 그를 사용한 윈도우 합착 방법 |
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JP5912985B2 (ja) * | 2012-08-09 | 2016-04-27 | 富士通コンポーネント株式会社 | タッチパネル及びその製造方法 |
KR101726916B1 (ko) * | 2014-05-15 | 2017-04-14 | 주식회사 엘지화학 | 인쇄층이 형성된 터치 스크린 패널용 커버 윈도우 및 터치 스크린 패널용 커버 윈도우에 인쇄층을 형성하는 방법 |
KR101636059B1 (ko) * | 2014-10-17 | 2016-07-05 | 덕산에스지 주식회사 | 전자기기용 액세서리 |
KR102098453B1 (ko) * | 2016-10-03 | 2020-04-07 | 김영수 | 미세돌기 문양을 가진 접착감소층을 포함하는 디스플레이 장치 |
KR102669729B1 (ko) * | 2016-11-17 | 2024-05-28 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
KR102124991B1 (ko) * | 2020-01-21 | 2020-06-19 | 주식회사 에스지글로벌 | 디스플레이패널용 시트 |
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Also Published As
Publication number | Publication date |
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TW201501000A (zh) | 2015-01-01 |
JP2016522518A (ja) | 2016-07-28 |
US20160139696A1 (en) | 2016-05-19 |
US9870079B2 (en) | 2018-01-16 |
TWI522866B (zh) | 2016-02-21 |
EP3012716A4 (en) | 2017-02-22 |
KR101350428B1 (ko) | 2014-01-14 |
CN105324742A (zh) | 2016-02-10 |
CN105324742B (zh) | 2018-12-28 |
EP3012716A1 (en) | 2016-04-27 |
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