WO2013183916A1 - Dispositif de détection tactile pour améliorer la visibilité - Google Patents

Dispositif de détection tactile pour améliorer la visibilité Download PDF

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Publication number
WO2013183916A1
WO2013183916A1 PCT/KR2013/004924 KR2013004924W WO2013183916A1 WO 2013183916 A1 WO2013183916 A1 WO 2013183916A1 KR 2013004924 W KR2013004924 W KR 2013004924W WO 2013183916 A1 WO2013183916 A1 WO 2013183916A1
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WO
WIPO (PCT)
Prior art keywords
signal
sensor pads
touch
sensor
signal wires
Prior art date
Application number
PCT/KR2013/004924
Other languages
English (en)
Korean (ko)
Inventor
오영진
정익찬
김준윤
Original Assignee
크루셜텍 주식회사
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 KR1020130024587A external-priority patent/KR101461925B1/ko
Application filed by 크루셜텍 주식회사 filed Critical 크루셜텍 주식회사
Publication of WO2013183916A1 publication Critical patent/WO2013183916A1/fr

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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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

Definitions

  • the present invention relates to a touch detection device, and more particularly, to a touch detection device for improving visibility through arrangement of sensor pads and signal wires.
  • the touch screen panel is a device for inputting a user's command by touching a character or a figure displayed on a screen of the image display device with a human finger or other contact means, and is attached to and used on the image display device.
  • the touch screen panel converts a contact position touched by a human finger or the like into an electrical signal, and the converted electrical signal is used as an input signal.
  • the capacitive touch panel converts a contact position into an electrical signal by detecting a change in capacitance that a conductive sensing pattern forms with other surrounding sensing patterns or ground electrodes when a human hand or an object comes in contact.
  • FIG. 1 is an exploded plan view of an example of a capacitive touch screen panel according to the related art.
  • the touch screen panel 10 may include a first sensor pattern layer 13, a first insulating layer 14, and a second sensor pattern layer sequentially formed on the transparent substrate 12 and the transparent substrate 12. 15) and the second insulating film layer 16 and the metal wiring 17. As shown in FIG.
  • the first sensor pattern layer 13 may be connected along the transverse direction on the transparent substrate 12 and may be connected to the metal lines 17 in units of rows.
  • the second sensor pattern layer 15 may be connected along the column direction on the first insulating layer 14, and are alternately disposed with the first sensor pattern layer 13 so as not to overlap the first sensor pattern layer 13. .
  • the second sensor pattern layer 15 is connected to the metal wires 17 in units of columns.
  • the touch screen panel 10 must separately include a pattern made of a transparent conductive material such as indium tin oxide (ITO) on each of the sensor pattern layers 13 and 15, and between the sensor pattern layers 13 and 15. Since the insulating film layer 14 must be provided, the thickness increases.
  • ITO indium tin oxide
  • the touch detection device illustrated in FIG. 2 includes a touch panel 20, a driving device 30, and a circuit board 40 connecting the two.
  • the touch panel 20 includes a plurality of sensor pads 22 formed on the substrate 21 and arranged in a polygonal matrix form and connected to the sensor pads 22.
  • Each signal wire 23 has one end connected to the sensor pad 22 and the other end extending to the lower edge of the substrate 21.
  • the sensor pad 22 and the signal wire 23 may be patterned on the cover glass 50.
  • the driving device 30 sequentially selects the plurality of sensor pads 22 one by one to measure the capacitance of the corresponding sensor pads 22, and detects whether or not a touch occurs.
  • the touch detection apparatus may be stacked on or embedded in the display apparatus, and the display apparatus may include a backlight, a polarizer, a substrate, a liquid crystal layer, and a pixel layer 60.
  • the pixel layer 60 related to the embodiment of the present invention will be described.
  • the pixel layer 60 refers to a color filter formed on the surface (upper surface or lower surface) of the liquid crystal layer for displaying an image, and is a liquid crystal unit of pixels of red, green, and blue (hereinafter, R, G, and B). It is possible to implement colors in the display device.
  • the pixel layer 60 includes a plurality of pixels including R, G, and B subpixels.
  • the liquid crystal layer includes an upper substrate, a lower substrate, and a liquid crystal, and generates light and shade to display an image by modulating light (for example, an arrow shown in FIG. 2) from the backlight.
  • the touch panel 20 is arranged in a structure in which each signal wire 23 is connected to the bottom edge of the substrate 21, so that a gap between the sensor pad 22 and the signal wire 23 is provided.
  • the deviation will appear in.
  • one signal wire is arranged to be connected downwards, so that the distance between the sensor pad and the signal wire is wide, while in the case of the lowermost sensor pads, the upper sensor pad is located. Since the signal wires connected to and are all disposed in the adjacent area, the distance between the sensor pads and the signal wires becomes relatively narrower than that of the sensor pad located at the top.
  • the distances between the sensor pads 22 and the signal wires 23 may be different from each other, and the diffuse reflectance of the light emitted from the backlight causes a difference for each region. Accordingly, there is a problem that the difference in distance between the sensor pad 22 and the signal wire 23 may be noticeable from the outside.
  • FIG. 3 is an enlarged view of a portion of an upper surface of a conventional touch display device.
  • FIG. 3 is a view showing an enlarged upper surface of the pixel layer 60 and the signal wiring 23 selected in a structure in which the touch detection device shown in FIG. 2 is stacked on a conventional display device. .
  • the signal lines 23 arranged in the form of FIG. 2 overlap the pixels arranged in a matrix form of the pixel layer 60 in parallel in the column direction.
  • the signal wire 23 overlaps a part of the R subpixel and the entirety of the G subpixel in the column direction.
  • Each signal wire 23 in FIG. 3 is shown to overlap a portion of the R subpixels and the entirety of the G subpixels, but in practice there is a gap between the signal wires 23 depending on the arranged position (eg, top or bottom). Since there is a difference, the areas of the R, G, and B sub-pixels overlapping with the signal line 23 are different for each pixel. For example, if a specific signal wire overlaps a part of an R subpixel and an entirety of a G subpixel, but another signal wire overlaps a part of a G subpixel and an entirety of a B subpixel, each pixel may be replaced by a signal wire. The overlapping portion and the non-overlapping portion are different, so that the area of the R, G, and B subpixels overlapping with the signal wiring 23 is also changed.
  • each pixel has a difference in the color temperature generated by each pixel according to the light transmittance of the signal wiring 23 superimposed on each pixel. Therefore, a color difference occurs at an arbitrary position, and thus, a pattern such as a Newton ring scattered by iridescent light may be generated in the front surface or in some sections of the touch panel, and thus may be recognized by the naked eye.
  • the present invention aims to solve the above-mentioned problems of the prior art.
  • the sensor pad and the signal wiring form an angle with the pixel to improve visibility.
  • an embodiment of the present invention relates to a touch detection device for a display device including a plurality of pixels, comprising: a plurality of sensor pads arranged to form a plurality of rows and columns; And a plurality of signal wires connected to each of the plurality of sensor pads with a driving device, the plurality of signal wires extending and bent at a predetermined angle so as not to be parallel to a row direction and a column direction formed by the plurality of pixels.
  • each of the plurality of signal wires includes a plurality of bent points, and the signal wires between the first and second bent points that are adjacent to each other are adjacent to each other of the adjacent sensor pads. It may extend parallel to the straight line connecting the vertex and the second vertex.
  • each of the plurality of sensor pads includes a plurality of slits having a rod shape, and each of the slits may extend in a length direction of the slits in parallel with the straight line.
  • the thickness of the slits may be equal to the gap between the signal wires, and the gap between the slits may be equal to the thickness of the signal wires.
  • the plurality of signal wires may be disposed in parallel with each other, and may further include one or more dummy wires disposed between the plurality of signal wires and edges of the plurality of sensor pads.
  • the thickness of the dummy wire may be the same as the thickness of the signal wire, and the gap between the dummy wires may be equal to the gap between the signal wires.
  • each of the plurality of pixels may include at least three sub pixels having different colors.
  • the signal wire may be made of the same material as the plurality of sensor pads.
  • the touch detection unit may further include a touch detection unit through a change in capacitance generated when at least one of the plurality of sensor pads is touched.
  • the sensor pad and the signal wiring form an angle with the pixel, thereby improving visibility of the touch display device.
  • FIG. 1 is an exploded plan view of an example of a capacitive touch screen panel according to the related art.
  • FIG. 2 is an exploded plan view schematically illustrating a conventional touch detection device.
  • FIG 3 is an enlarged view of a portion of an upper surface of a conventional touch display device.
  • FIG 4 is an enlarged view of a portion of an upper surface of a touch display device according to an embodiment of the present invention.
  • FIG. 5 is an exploded plan view of a touch detection apparatus according to an embodiment of the present invention.
  • FIG. 6 is a block diagram for explaining the configuration of a touch detection device.
  • FIG. 7 is a diagram illustrating an example of arrangement of a sensor pad and a signal wire according to an exemplary embodiment of the present invention.
  • FIG. 8 is a diagram illustrating an example of a slit of a sensor pad formed according to an embodiment of the present invention.
  • FIG. 9 is a diagram illustrating an example of a dummy wiring formed according to an embodiment of the present invention.
  • Embodiments of the present invention relate to a manner of improving visibility through the arrangement of a plurality of sensor pads and signal wirings connecting the respective sensor pads and the driving device.
  • the pixel layer and the signal line 120 may be formed in a structure in which the touch detection device is stacked or embedded in the display device. Selected to enlarge the top of the two overlapping is shown.
  • the pixel layer may include a plurality of pixels forming a plurality of rows and columns, and the plurality of pixels may include R, G, and B subpixels.
  • the signal line 23 shown in FIG. 3 overlaps a plurality of pixels in the column direction, whereas the signal line 120 shown in FIG. 4 is not parallel to the row or column direction formed by the plurality of pixels. It forms an angle and overlaps with the plurality of pixels.
  • the arrangement of the signal wires 120 overlaps with each other evenly distributed shapes of the R, G, and B subpixels included in the plurality of pixels.
  • the area of the R, G, and B subpixels overlapping with the signal line 120 is the same for each pixel so that there is no difference in color, and the Newton ring generated by the color difference in some sections of the conventional touch panel. Etc. can be removed.
  • FIG. 5 is an exploded plan view of a touch detection apparatus according to an embodiment of the present invention.
  • the touch display device may be implemented in a form in which the touch detection device is stacked on the display device including the pixel layer 300.
  • the touch detection apparatus may include a touch panel 100 and a driving device 200, and a circuit board 20 connecting the two.
  • the touch panel 100 includes a plurality of sensor pads 110 formed on the substrate 15 and a plurality of signal wires 120 connected to the sensor pads 110.
  • the substrate 15 may be made of glass or plastic film made of a transparent material.
  • the pixel layer 300 includes a plurality of pixels forming a plurality of rows and columns.
  • each of the plurality of pixels may include at least three subpixels having different colors.
  • each of the plurality of pixels may include R, G, and B subpixels.
  • the plurality of sensor pads 110 are arranged to form a plurality of rows and columns at the top or bottom of the pixel layer 300.
  • each sensor pad 110 may be connected to the driving device 200 through each signal wire 120.
  • the plurality of sensor pads 110 may be rectangular or rhombic, but may be different from each other, or may be polygonal in a uniform shape.
  • the sensor pads 110 may be arranged in a matrix form of adjacent polygons.
  • each of the plurality of sensor pads 110 may include a plurality of slits 130 having a rod shape, and each of the slits 130 may have a first vertex of the corresponding sensor pad and a second adjoining it. It may be formed extending in the longitudinal direction parallel to the straight line connecting the vertices. In this regard will be described later with reference to FIG.
  • Each of the plurality of signal wires 120 connects each of the plurality of sensor pads 110 to the driving device 200, and extends and bends to form a predetermined angle so as not to be parallel to the row and column directions formed by the plurality of pixels. do.
  • Each of the plurality of signal wires may include a plurality of bend points, and the signal wires between adjacent first and second bend points may be parallel to a straight line connecting the first and second vertices of the adjacent sensor pads. Can be extended. An example of the signal wiring arranged in this form will be described later with reference to FIG. 7.
  • the touch detection apparatus may further include one or more dummy wires 140 disposed in parallel with the plurality of signal wires and disposed between edges of the plurality of signal wires and the plurality of sensor pads.
  • one or more dummy wires 140 disposed in parallel with the plurality of signal wires and disposed between edges of the plurality of signal wires and the plurality of sensor pads.
  • each signal wire 120 is connected to the sensor pad 110, and the other end extends to the bottom edge of the substrate 15.
  • the line width of the signal wire 120 may be formed to be very narrow, ranging from several micrometers to several tens of micrometers.
  • the sensor pad 110 and the signal wire 120 may be formed of indium-tin-oxide (ITO), antimony tin oxide (ATO), indium-zinc-oxide (IZO), carbon nanotube (CNT), and graphene. It may be made of a transparent conductive material.
  • the sensor pad 110 and the signal wiring 120 are simultaneously formed by, for example, laminating an ITO film on a substrate 15 by sputtering or the like and then patterning the same using an etching method such as photolithography. can do.
  • the substrate 15 may be a transparent film.
  • the sensor pad 110 and the signal wire 120 may be directly patterned on the cover glass 10.
  • the substrate 15 may be omitted.
  • the driving device 200 for driving the touch panel 100 may be formed on a circuit board 20 such as a printed circuit board or a flexible circuit film, but is not limited thereto. It can also be directly mounted on some.
  • FIG. 6 is a block diagram for explaining the configuration of a touch detection device.
  • the driving device 200 may include a touch detector 210, a touch information processor 220, a memory 230, and a controller 240, and may include at least one integrated circuit (IC) chip. Can be implemented.
  • IC integrated circuit
  • the touch detector 210, the touch information processor 220, the memory 230, and the controller 240 may be separated from each other, or two or more components may be integrated and implemented.
  • the touch detector 210 may detect a touch through a change in capacitance generated when at least one of the plurality of sensor pads is touched.
  • the touch detector 210 may include a plurality of switches and a plurality of capacitors connected to the sensor pad 110 and the signal wire 120, and drive circuits for touch detection by receiving a signal from the controller 240. The voltage corresponding to the detection result is output.
  • the touch detector 210 may include an amplifier and an analog-digital converter, and may convert, amplify, or digitize the difference in the voltage change of the sensor pad 110 into a memory.
  • the touch information processor 220 processes the digital voltage stored in the memory 230 to generate necessary information such as whether or not it is touched, a touch area, and touch coordinates.
  • the memory 230 stores digital voltages and predetermined data used for touch detection, area calculation, and touch coordinate calculation or data received in real time based on the difference in the voltage change detected by the touch detector 210.
  • the controller 240 may control the touch detector 210 and the touch information processor 220, may include a micro control unit (MCU), and perform predetermined signal processing through firmware.
  • MCU micro control unit
  • FIG. 7 is a diagram illustrating an example of arrangement of a sensor pad and a signal wire according to an exemplary embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an arrangement of sensor pads 110 and signal wires 120 connected to the respective sensor pads 110 in the touch detection apparatus including the plurality of sensor pads 110.
  • the plurality of sensor pads 110 are arranged in a plurality of rows and columns on the top or bottom of the pixel layer 300 having the shape shown in FIG. 6, and have a rhombus shape.
  • the present invention is not limited thereto.
  • each of the plurality of sensor pads 110 is connected to a signal wire 120 for connecting with a driving device, and each signal wire 120 is connected to a first vertex and a second vertex of an adjacent sensor pad. It extends parallel to the straight line connecting the vertices and has a bent shape, thereby including a plurality of bending points.
  • the signal line between the first bend point 121 and the second bend point 122 adjacent to each other connects the first vertex 111 and the second vertex 112 of the adjacent sensor pad 110 ′.
  • the signal wiring between the second bend point 122 and the third bend point 123 is similar to the second vertex 112 and the third vertex 113 of the adjacent sensor pad 110 ′. It may extend parallel to the straight line connecting.
  • each signal line 120 is extended and bent in a state spaced apart from the sensor pad 110 at a predetermined interval, the pixels included in the pixel layer as described above with reference to FIG. 4 are connected to the signal line 120.
  • the areas of the R, G, and B subpixels overlapping with each other become the same, thereby removing a rainbow phenomenon that may be caused by color difference.
  • the distance between the signal wire connected to the sensor pad 110 ′ and the signal wire connected to the sensor pad 110 ′ ′ is different from that of the adjacent sensor pad. This is because the signal wires do not cross each other, but as the signal wires connected to the sensor pads located at the top extend and bend downward, they maintain a predetermined distance from the signal wires connected to the sensor pads located at the bottom. Due to the gap between the sensor pad 110 and the signal wire 120, the dummy wire 140 may further include a dummy wire 140 to prevent visual recognition of the diffuse reflectance of the light emitted from the backlight. can do. In this regard will be described later with reference to FIG.
  • the sensor pad 110 and the signal wire 120 shown in FIG. 7 are embodiments of the present invention and may be modified in various embodiments.
  • FIG. 8 is a diagram illustrating an example of a slit of a sensor pad formed according to an embodiment of the present invention, and includes a touch pad including sensor pads belonging to one column including a plurality of sensor pads 110. It is a figure which shows the detection apparatus simplified.
  • each of the sensor pads 110 may include a plurality of slits 130.
  • each of the plurality of sensor pads 110 may include a plurality of slits 130 having a rod shape, and each of the slits 130 may have a first vertex of the corresponding sensor pad and a second vertex adjacent thereto. It may be formed extending in the longitudinal direction parallel to the straight line connecting.
  • the light transmittance may be improved by increasing the opening area of the sensor pad 110, and the relationship between the areas where the signal wiring 120 is formed. The difference in light transmittance that can occur at can be overcome.
  • the thickness of the slit 130 may be equal to the gap between the signal wire and the signal wire, and the gap between the slit and the slit may be equal to the thickness of the signal wire 120.
  • the slit 130 has a rod shape and has the same thickness as the gap between the signal wire and the signal wire, the gap between the slit and the slit in the sensor pad 110 is equal to the signal wire 120.
  • the effect of having a similar pattern may help to improve visibility.
  • the present invention is not limited thereto, and the shape, thickness, and spacing of the slit 130 may be modified and applied in various embodiments.
  • the sensor pads 110 shown in FIG. 8 include similar configurations to the plurality of sensor pads 110 shown in FIGS. 5 to 7, the sensor pads shown in FIGS. The content of 110 is also applied to the sensor pad 110 shown in FIG. 8.
  • FIG. 9 is a diagram illustrating an example of a dummy wiring formed according to an embodiment of the present invention.
  • One or more dummy wires 140 may be arranged between the signal wires 120.
  • the dummy wire 140 may be disposed in parallel with the signal wires 120 and may be disposed in an area between the edges of the signal wires 120 and the plurality of sensor pads 110. have.
  • Each of the dummy wires 140 may extend in parallel with an adjacent signal wire, and may be extended and bent in a similar shape to the signal wire 120 to include one or more bending points.
  • the dummy wire 140 does not cross each other with the signal wire 120, the thickness of the dummy wire 140 may be the same as the thickness of the signal wire 120, and the interval between the dummy wires 140 is the signal wire. It may be equal to the interval between the 120, but is not limited thereto.
  • the number of the dummy wires 140 disposed between the sensor pad 110 and the signal wire 120 disposed far away from the driving device 200 is relatively close to the driving device 200.
  • the number of dummy wires 140 disposed between the 110 and the signal wires 120 may be greater. This is because the signal wires connected to the sensor pads located at the top are kept at a predetermined distance from the signal wires connected to the sensor pads located at the bottom, so that the signal wires located at the top are relatively small.
  • the touch detection apparatus by arranging one or more dummy wires 140 between the sensor pads and the signal wires, the gap between the sensor pad and the signal wires located at the top and the sensor pads and the signal wires located at the bottom thereof are disposed. It is possible to prevent the recognition of the naked eye by supplementing the difference in reflectance due to the difference in the intervals of.
  • the Newton ring due to the color difference can be removed through the signal wire 120 forming a predetermined angle so as not to be parallel to the row direction or the column direction formed by the plurality of pixels. Can be improved.

Abstract

Un mode de réalisation de la présente invention concerne un dispositif de détection tactile pour un appareil d'affichage comprenant une pluralité de pixels, et fournit le dispositif de détection tactile, comprenant : une pluralité de blocs de détection qui sont disposés de manière à comprendre une pluralité de rangées et de colonnes; et une pluralité de câblages, qui relient chaque bloc de la pluralité de blocs de détection à un appareil d'excitation, et qui s'étendent et se plient à des angles spécifiques de manière à ne pas être parallèles aux directions de rangées et de colonnes constituées par la pluralité de pixels.
PCT/KR2013/004924 2012-06-04 2013-06-04 Dispositif de détection tactile pour améliorer la visibilité WO2013183916A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20120060010 2012-06-04
KR10-2012-0060010 2012-06-04
KR10-2013-0024587 2013-03-07
KR1020130024587A KR101461925B1 (ko) 2012-06-04 2013-03-07 시인성 개선을 위한 터치 검출장치

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WO2013183916A1 true WO2013183916A1 (fr) 2013-12-12

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114265516A (zh) * 2021-12-17 2022-04-01 武汉华星光电半导体显示技术有限公司 一种触控显示面板及显示装置

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US20110134056A1 (en) * 2009-12-03 2011-06-09 Kim Do-Youb Flat panel display integrated with touch screen panel
US20110157084A1 (en) * 2009-12-30 2011-06-30 Yen-Liang Huang Capacitive touch display panel and capacitive touch board
KR20110104349A (ko) * 2010-03-16 2011-09-22 엘지디스플레이 주식회사 터치 패널
KR20120001736A (ko) * 2009-03-13 2012-01-04 티피케이 터치 솔루션스 인코포레이션 압력 감지 터치 장치
KR20120049019A (ko) * 2010-11-08 2012-05-16 삼성모바일디스플레이주식회사 정전용량형 터치 패널

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Publication number Priority date Publication date Assignee Title
KR20120001736A (ko) * 2009-03-13 2012-01-04 티피케이 터치 솔루션스 인코포레이션 압력 감지 터치 장치
US20110134056A1 (en) * 2009-12-03 2011-06-09 Kim Do-Youb Flat panel display integrated with touch screen panel
US20110157084A1 (en) * 2009-12-30 2011-06-30 Yen-Liang Huang Capacitive touch display panel and capacitive touch board
KR20110104349A (ko) * 2010-03-16 2011-09-22 엘지디스플레이 주식회사 터치 패널
KR20120049019A (ko) * 2010-11-08 2012-05-16 삼성모바일디스플레이주식회사 정전용량형 터치 패널

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114265516A (zh) * 2021-12-17 2022-04-01 武汉华星光电半导体显示技术有限公司 一种触控显示面板及显示装置
CN114265516B (zh) * 2021-12-17 2023-06-27 武汉华星光电半导体显示技术有限公司 一种触控显示面板及显示装置

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