WO2016117819A1 - Panneau tactile et dispositif d'affichage ayant un cadran étroit l'utilisant - Google Patents

Panneau tactile et dispositif d'affichage ayant un cadran étroit l'utilisant Download PDF

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Publication number
WO2016117819A1
WO2016117819A1 PCT/KR2015/012961 KR2015012961W WO2016117819A1 WO 2016117819 A1 WO2016117819 A1 WO 2016117819A1 KR 2015012961 W KR2015012961 W KR 2015012961W WO 2016117819 A1 WO2016117819 A1 WO 2016117819A1
Authority
WO
WIPO (PCT)
Prior art keywords
display area
wiring pattern
area
transparent electrode
touch panel
Prior art date
Application number
PCT/KR2015/012961
Other languages
English (en)
Korean (ko)
Inventor
황지은
김광현
안균
강준식
김봉호
김기환
Original Assignee
일진디스플레이(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020150049288A external-priority patent/KR20160090227A/ko
Application filed by 일진디스플레이(주) filed Critical 일진디스플레이(주)
Priority to CN201580073712.9A priority Critical patent/CN107209592A/zh
Publication of WO2016117819A1 publication Critical patent/WO2016117819A1/fr

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Classifications

    • 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

Definitions

  • Embodiments of the present invention relate to a touch panel and a display device having a narrow bezel using the same. More particularly, a touch panel for implementing a narrow bezel with a maximum width of a non-display area of the display device and a four using the same A display device having a low bezel.
  • Display devices include Liquid Crystal Display Device (LCD), Plasma Display Panel (PDP), Organic Light Emitting Display Device (OLED), Electrophoretic Display Device (EPD) ).
  • LCD Liquid Crystal Display Device
  • PDP Plasma Display Panel
  • OLED Organic Light Emitting Display Device
  • EPD Electrophoretic Display Device
  • the narrow bezel technology is a technique for reducing the size of an effective screen in which an image is displayed on a display panel of the same size by reducing a bezel in which an image is not displayed at the edge of the display panel.
  • 1 is a cross-sectional view of a side region of a display device.
  • the display device includes a window panel 10, a touch panel 20 disposed under the window panel, and a display panel 70 disposed under the touch panel 20.
  • the window panel 10 is provided to protect the touch panel 20 and the display panel 70, and an area A corresponding to the print area 11 formed on the window panel 10 is formed by the bezel of the display device. Bezel).
  • the display panel 70 has a configuration in which the array substrate 50, which is a lower substrate, and the color filter substrate 30, which is an upper substrate, face each other with the liquid crystal layer 40 interposed therebetween.
  • a color filter layer 33 formed of an RGB color filter pattern is provided in a region corresponding to the display area VA corresponding to a boundary of each pixel region.
  • the pixel black matrix 35 is provided between the color filter layers 33.
  • an edge black matrix 31 is disposed inside the outermost side of the display area VA and surrounding the display area VA. The edge black matrix 31 and the pixel black matrix 35 are provided to prevent light leakage to the non-display area outside the display area VA.
  • the touch panel 20 includes a transparent substrate 21, and a transparent electrode pattern 23 and a wiring pattern 25 are formed on the transparent substrate 21.
  • the transparent electrode pattern 23 may be made of a transparent conductive material, and the wiring pattern 25 may be made of a conductive metal.
  • the wiring pattern 25 is formed outside the display area VA, and the transparent electrode pattern 23 is formed in the display area VA.
  • the wiring pattern 25 may be electrically connected to the transparent electrode pattern 23.
  • the wiring pattern 25 is made of an opaque conductive metal, the wiring pattern 25 is formed in the lower region of the print area 11 of the window panel 10 in the prior art. Therefore, in order to reduce the width of the print area 11 to implement the narrow bezel, there is a difficulty in narrowing the width of the wiring pattern 25.
  • the present invention is to propose a touch panel that can implement a narrow bezel without reducing the width of the wiring pattern and a display device having a narrow bezel using the same.
  • a transparent substrate A transparent electrode pattern formed in the display area of the transparent substrate; A wiring pattern electrically connected to the transparent electrode pattern and formed at an outer side of the display area and an outermost side of the display area; And a shielding layer formed on the wiring pattern.
  • the wiring pattern formed in the outermost part of the display area may be formed in an area overlapping the display area among the upper areas of the edge black matrix provided in the color filter substrate.
  • the shielding layer may be formed of a colored material.
  • the shielding layer may be an insulating material.
  • a window panel in which a print area is formed outside the display area; A transparent substrate disposed in a lower region of the window panel; A transparent electrode pattern formed in the display area of the transparent substrate; A wiring pattern electrically connected to the transparent electrode pattern and formed at an outer side of the display area and an outermost side of the display area; And a shielding layer formed on the wiring pattern; A color filter layer disposed in a lower area of the touch panel and provided in the display area; A display device is provided, which is implemented as a display panel including a color filter substrate including an edge black matrix that surrounds the display area and is disposed outside the display area and in the outermost part of the display area.
  • a touch panel capable of implementing a narrower bezel having a narrower width without reducing the width of a wiring pattern and a display device having a narrow bezel using the same can be provided.
  • 1 is a cross-sectional view of a side region of a display device.
  • FIG. 2 illustrates an example of a display device according to an exemplary embodiment.
  • FIG. 3 is a cross-sectional view taken along the line II of FIG. 2.
  • a transparent substrate A transparent electrode pattern formed in the display area of the transparent substrate; A wiring pattern electrically connected to the transparent electrode pattern and formed at an outer side of the display area and an outermost side of the display area; And a shielding layer formed on the wiring pattern.
  • FIG. 2 is a diagram illustrating an example of a display device according to an exemplary embodiment of the present invention
  • FIG. 3 is a cross-sectional view taken along the line II of FIG. 2.
  • the display device includes a window panel 100, a touch panel 200 disposed under the window panel, and a display panel 700 disposed under the touch panel 200. do.
  • the window panel 100 is provided to protect the touch panel 200 and the display panel 700, and may have a substantially rectangular plate or film shape, and may be formed of glass, acrylic, PMMA, or the like having light transparency. Can be.
  • the window panel 100 may include a display area VA, and the display area VA may be formed at the center of the window panel 100 and may be a touch function and correspond to the display area of the information communication device. .
  • the print area 110 is formed on one surface of the window panel 100.
  • the print area 110 may be formed outside the display area VA.
  • the print area 110 may be formed by printing a colored material, or may be formed through a coating, exposure, or developing process. That is, the area A corresponding to the print area 11 forms the bezel of the display device.
  • the display panel 700 may include a liquid crystal display device (LCD) panel, a plasma display panel (PDP) panel, an organic light emitting display device (OLED) panel, an electrophoretic display device (EPD) panel, and the like.
  • LCD liquid crystal display device
  • PDP plasma display panel
  • OLED organic light emitting display device
  • EPD electrophoretic display device
  • the display panel 700 will be described as being an LCD panel, but is not limited thereto.
  • the display panel 700 may include an array substrate (a lower substrate) having a liquid crystal layer 400 therebetween. 500 and the upper surface of the color filter substrate 300 are bonded to each other.
  • a color filter layer 330 formed of an RGB color filter pattern is provided in a region corresponding to the display area VA corresponding to a boundary of each pixel region.
  • the pixel black matrix 350 is provided between the color filter layers 330.
  • the edge black matrix 310 is provided in a pixel area surrounding the display area VA and provided at the top, bottom, left, and right ends of the display area VA, and in an area where the side ends thereof overlap. The edge black matrix 310 and the pixel black matrix 350 are provided to prevent light leakage to the non-display area outside the display area VA.
  • shadows are generated in the overlapping area inside the outermost area of the border black matrix 310 and the display area VA by the edge black matrix 310 provided to prevent light leakage.
  • the touch panel 200 includes a transparent substrate 210.
  • the transparent substrate 210 may be a transparent polymer film.
  • the transparent substrate 210 may be a film formed of a material such as polyethylene terephthalate (PET), polycarbonate (PC), or cycloyl olefin polymer (COP).
  • PET polyethylene terephthalate
  • PC polycarbonate
  • COP cycloyl olefin polymer
  • the substrate which is a transparent polymer film, may be a flexible film for application to a flexible display.
  • the substrate 210 is referred to as a transparent polymer film.
  • the transparent electrode pattern 230 and the wiring pattern 250 are formed on the transparent polymer film 210.
  • the transparent electrode pattern 230 may be made of a transparent conductive material, and the wiring pattern 250 may be made of a conductive metal.
  • the transparent electrode pattern 230 is an electrode pattern for detecting a change in capacitance according to a user's touch of the touch panel 200, and the wiring pattern 250 is connected to the transparent electrode pattern 230 to transmit a corresponding signal to an external circuit. This is a pattern for connecting.
  • the transparent electrode pattern 230 may be made of a transparent conductive material, and the wiring pattern 250 may be made of a conductive metal.
  • the wiring pattern 250 is formed outside the display area VA and the outermost inside of the display area VA, and the transparent electrode pattern 230 is formed in the display area VA.
  • the wiring pattern 250 and the transparent electrode pattern 230 may be electrically connected to each other.
  • the transparent electrode pattern 230 may be formed on a portion of the outside of the display area VA (not shown), and the portion of the transparent electrode pattern 230 positioned outside the display area VA is wired.
  • the pattern 250 may be in contact with each other in a stacked state to be electrically connected to each other.
  • various methods for electrically connecting the wiring pattern 250 and the transparent electrode pattern 230 may be applied.
  • the conventional wiring pattern 25 is formed in the back region A of the print area 11, which is a non-display area, as shown in FIG. That is, the width of the print area 11 had to have a size corresponding to the width of the wiring pattern 25 in order to cover the wiring pattern 25. Accordingly, in order to reduce the width of the printed area 11 to form the narrow bezel, the width of the wiring pattern 25 should be reduced, but there is a limit in reducing the width of the wiring pattern 25.
  • the wiring pattern 250 in order to form a narrow bezel, has a border black matrix 310 overlapping the rear area A and the display area VA of the print area 110. It is formed in a region corresponding to all or part of the upper region of the. That is, the wiring pattern 250 of the present invention is formed by additionally utilizing the upper area B of the edge black matrix 310 overlapping with the display area VA. The width A of 110 can be reduced.
  • the wiring pattern 250 when a part or all of the wiring pattern 250 is formed in the upper area B of the edge black matrix 310 overlapping the display area VA, the wiring pattern 250 may cover the display area VA. Can be displayed. Therefore, in order to prevent this, the colored shielding layer 270 may be formed on the wiring pattern 210 exposed to the display area VA. In addition, the shielding layer 270 may also be formed on the wiring pattern 250 formed in the rear region of the printing area 110.
  • the shielding layer 270 may be formed of an insulating material of an opaque material. Furthermore, the shielding layer 270 may be formed of a colored material having a color. For example, by adding a pigment to the transparent insulating paste, an opaque and colored insulating paste may be obtained, and the shielding layer 270 may be formed using the coloring paste. Through the shielding layer 270, the user may not recognize the wiring pattern formed on the display area VA.
  • the present invention further utilizes the upper region B of the edge black matrix 310 overlapping the display area VA when the wiring pattern 250 is formed in the transparent polymer film 210. Since the width of the print area 110 may be reduced by the width of the additionally utilized area, the width of the bezel formed by the print area 110 may be reduced to the maximum without reducing the width of the wiring pattern 250.
  • the size of the bezel may be reduced by 0.5 mm or more.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

La présente invention concerne un panneau tactile et un dispositif d'affichage ayant un cadran étroit l'utilisant. Le panneau tactile comprend : un substrat transparent ; un motif d'électrode transparente formé dans une zone d'affichage du substrat transparent ; un motif de câblage connecté électriquement au motif d'électrode transparente et formé à l'extérieur de la zone d'affichage et dans la partie la plus à l'extérieur de la zone d'affichage ; et une couche de protection formée sur le motif de câblage. La présente invention concerne un panneau tactile pouvant mettre en œuvre un cadran étroit ayant une largeur plus étroite sans réduire la largeur du motif de câblage, et un dispositif d'affichage ayant un cadran étroit l'utilisant.
PCT/KR2015/012961 2015-01-20 2015-12-01 Panneau tactile et dispositif d'affichage ayant un cadran étroit l'utilisant WO2016117819A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580073712.9A CN107209592A (zh) 2015-01-20 2015-12-01 触摸面板及使用其的具有窄边框的显示装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20150009553 2015-01-20
KR10-2015-0009553 2015-01-20
KR1020150049288A KR20160090227A (ko) 2015-01-20 2015-04-07 터치 패널 및 이를 이용한 네로우 베젤을 갖는 표시장치
KR10-2015-0049288 2015-04-07

Publications (1)

Publication Number Publication Date
WO2016117819A1 true WO2016117819A1 (fr) 2016-07-28

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PCT/KR2015/012961 WO2016117819A1 (fr) 2015-01-20 2015-12-01 Panneau tactile et dispositif d'affichage ayant un cadran étroit l'utilisant

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WO (1) WO2016117819A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110021621A (zh) * 2019-03-28 2019-07-16 苏州佳世达电通有限公司 显示器
US11928272B2 (en) 2020-07-07 2024-03-12 Dongwoo Fine-Chem Co., Ltd. Composite panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120060310A (ko) * 2010-12-02 2012-06-12 삼성전자주식회사 표시 패널 및 이를 구비한 표시 장치
KR20130017745A (ko) * 2011-08-11 2013-02-20 엘지디스플레이 주식회사 터치 스크린 일체형 표시 장치
US20130120288A1 (en) * 2008-08-27 2013-05-16 Melfas, Inc. Touch-sensing panel including electrode-integrated window, and manufacturing method thereof
KR20140033848A (ko) * 2012-09-11 2014-03-19 엘지디스플레이 주식회사 표시장치용 터치 스크린 패널
KR20140057836A (ko) * 2012-11-05 2014-05-14 삼성전기주식회사 터치 패널 및 그 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130120288A1 (en) * 2008-08-27 2013-05-16 Melfas, Inc. Touch-sensing panel including electrode-integrated window, and manufacturing method thereof
KR20120060310A (ko) * 2010-12-02 2012-06-12 삼성전자주식회사 표시 패널 및 이를 구비한 표시 장치
KR20130017745A (ko) * 2011-08-11 2013-02-20 엘지디스플레이 주식회사 터치 스크린 일체형 표시 장치
KR20140033848A (ko) * 2012-09-11 2014-03-19 엘지디스플레이 주식회사 표시장치용 터치 스크린 패널
KR20140057836A (ko) * 2012-11-05 2014-05-14 삼성전기주식회사 터치 패널 및 그 제조 방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110021621A (zh) * 2019-03-28 2019-07-16 苏州佳世达电通有限公司 显示器
US11928272B2 (en) 2020-07-07 2024-03-12 Dongwoo Fine-Chem Co., Ltd. Composite panel

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