WO2015085714A1 - 触摸面板及其制作方法、显示装置 - Google Patents
触摸面板及其制作方法、显示装置 Download PDFInfo
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- WO2015085714A1 WO2015085714A1 PCT/CN2014/077889 CN2014077889W WO2015085714A1 WO 2015085714 A1 WO2015085714 A1 WO 2015085714A1 CN 2014077889 W CN2014077889 W CN 2014077889W WO 2015085714 A1 WO2015085714 A1 WO 2015085714A1
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- WIPO (PCT)
- Prior art keywords
- sensing electrode
- electrode pattern
- transparent conductive
- conductive layer
- insulating layer
- Prior art date
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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
- 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
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
-
- 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
-
- 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- 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
-
- 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
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
-
- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Definitions
- the touch screen also known as the "touch screen” is currently the most portable, convenient and natural human-computer interaction device. It gives multimedia a new look and greatly facilitates people's lives. It is an attractive new multimedia interactive device.
- the touch screen mainly implements a touch function through a touch panel.
- the conventional touch panel includes a plurality of rows of first sensing electrode patterns Rx1 along a first direction and a plurality of rows of second sensing electrode patterns Tx2 along a second direction.
- the first sensing electrode pattern Rxi is used as a receiving signal line
- the second sensing electrode pattern Tx2 is used as a transmitting signal line.
- the first sensing electrode pattern Rx1 and the second sensing electrode pattern Tx2 are separated by an insulating layer. , an inherent capacitance is formed between the two.
- the receiving signal line is touch-sensed by collecting the voltage signal on the inherent capacitor: If there is a touch generated by the outside world, the inherent capacitance will be incorporated into a touch capacitor to ground, and the receiving signal line is collected.
- the capacitance between the transmitting signal line and the receiving signal line determines the touch precision and anti-interference ability of the touch panel, but the capacitance between the transmitting signal line and the receiving signal line of the existing touch panel is limited, so that the anti-interference ability of the touch panel is not Very strong. To increase the capacitance of the touch panel and improve the anti-interference ability of the touch panel.
- a touch panel including a first transparent conductive layer on a substrate, an insulating layer on the first transparent conductive layer, and a second transparent conductive layer on the insulating layer.
- the first transparent conductive layer includes a first sensing electrode pattern
- the second transparent conductive layer includes a second sensing electrode pattern
- the insulating layer is disposed at a position corresponding to the second sensing electrode pattern.
- the via is such that a portion of the second sensing electrode pattern is located in the via.
- the via hole is not in contact with the first sensing electrode pattern.
- touch panel specifically includes:
- a first sensing electrode pattern formed on the substrate by a first transparent conductive layer; a pattern of an insulating layer including a via hole on the first sensing electrode pattern;
- touch panel specifically includes:
- a second sensing electrode pattern formed by the second transparent conductive layer on the insulating layer, wherein the conductive pattern is connected to the second sensing electrode pattern through the via.
- Embodiments of the present invention also provide a display device including the touch panel as described above.
- the embodiment of the invention further provides a method for fabricating a touch panel, the touch panel comprising a first transparent conductive layer on the substrate, an insulating layer on the first transparent conductive layer, and an insulating layer on the insulating layer.
- a second transparent conductive layer wherein the first transparent conductive layer includes a first sensing electrode pattern, and the second transparent conductive layer includes a second sensing electrode pattern
- the manufacturing method includes: corresponding to the insulating layer The position of the second sensing electrode pattern forms a via such that a portion of the second sensing electrode pattern is located in the via.
- the insulating layer is formed at a position corresponding to the second sensing electrode pattern, including - A via hole is formed at a position where the insulating layer corresponds to the second sensing electrode pattern and does not contact the first sensing electrode pattern.
- the manufacturing method specifically includes:
- a second transparent conductive layer is deposited on the insulating layer on which the via holes are formed, and the second sensing electrode pattern is formed by a patterning process.
- the manufacturing method further includes:
- a conductive pattern corresponding to the via hole is formed using the first transparent conductive layer.
- the manufacturing method specifically includes:
- a second transparent conductive layer is deposited on the insulating layer on which the via holes are formed, and the second sensing electrode pattern is formed by a patterning process, and the conductive pattern is connected to the second sensing electrode pattern through the via holes.
- the insulating layer between the first sensing electrode pattern and the second sensing electrode pattern is not a complete layer, and the insulating layer is provided with a via hole at a position corresponding to the second sensing electrode pattern, so that The portion of the second sensing electrode pattern is dropped into the via hole of the insulating layer to increase the mutual capacitance between the first sensing electrode pattern and the second sensing electrode pattern, thereby improving the anti-interference ability of the touch panel.
- FIG. 1 is a schematic diagram of a first sensing electrode pattern and a second sensing electrode pattern of a conventional touch panel
- FIG. 2 is a partial illustration of a first sensing electrode pattern and a second sensing electrode pattern of a conventional touch panel
- Figure 3 is a schematic cross-sectional view of A-A' in Figure 2;
- Figure 4 is a schematic cross-sectional view of B-B' in Figure 2;
- FIG. 5 is a partial schematic view showing a first sensing electrode pattern and a second sensing electrode pattern of a touch panel according to an embodiment of the present invention
- Figure 6 is a schematic cross-sectional view of A A ' in Figure 5 according to an embodiment of the present invention.
- Figure ⁇ is a schematic cross-sectional view of B-B' in Figure 5 according to an embodiment of the present invention.
- Figure 8 is a cross-sectional view showing A A ' in Figure 5 according to another embodiment of the present invention.
- Figure 9 is a cross-sectional view showing B B of Figure 5 in accordance with another embodiment of the present invention.
- Embodiments of the present invention provide a touch panel, a manufacturing method thereof, and a display device, which can increase the capacitance of the touch panel and improve the anti-interference ability of the touch panel.
- An embodiment of the present invention provides a touch panel including a first transparent conductive layer on a substrate, an insulating layer on the first transparent conductive layer, and a second transparent conductive layer on the insulating layer.
- the first transparent conductive layer includes a first sensing electrode pattern
- the second transparent conductive layer includes a second sensing electrode pattern, wherein the insulating layer is provided with a via hole at a position corresponding to the second sensing electrode pattern And causing a portion of the second sensing electrode pattern to be located in the via.
- the touch panel of the present invention is different from the prior art in that the insulating layer between the first sensing electrode pattern and the second sensing electrode pattern is not a complete layer, and the insulating layer is at a position corresponding to the second sensing electrode pattern.
- a via hole is disposed, so that a part of the second sensing electrode pattern falls into the via hole of the insulating layer, and the mutual capacitance between the first sensing electrode pattern and the second sensing electrode pattern is increased, and the touch panel is improved. Anti-interference ability.
- the via hole in the insulating layer is not in contact with the first sensing electrode pattern, so that the first sensing electrode pattern is not connected to the second sensing electrode pattern through the via hole, thereby not affecting the touch panel.
- the touch panel includes:
- a first sensing electrode pattern formed on the substrate by a first transparent conductive layer; a pattern of an insulating layer including a via hole on the first sensing electrode pattern;
- the first transparent conductive layer further includes a conductive pattern corresponding to the via hole, such that the second sensing electrode pattern is connected to the conductive pattern through the via hole to form a new conductive structure, and the thickness of the conductive structure is greater than the second pass
- the thickness of the electrode pattern is further increased to further increase the edge of the touch panel, and the touch panel includes:
- a second sensing electrode pattern formed by the second transparent conductive layer on the insulating layer, wherein the conductive pattern is connected to the second sensing electrode pattern through the via.
- Embodiments of the present invention also provide a display device including the touch panel as described above.
- the display device may be a touch display device such as a liquid crystal display, an electronic paper, an OLED (Organic Light-Emitting Diode) display, and the like, and a television, a digital camera, a mobile phone, a tablet, etc. including the display device.
- a product or part that touches a function may be provided.
- the embodiment of the invention further provides a method for fabricating a touch panel, the touch panel comprising a first transparent conductive layer on the substrate, an insulating layer on the first transparent conductive layer, and an insulating layer on the insulating layer.
- a second transparent conductive layer wherein the first transparent conductive layer includes a first sensing electrode pattern, and the second transparent conductive layer includes a second sensing electrode pattern
- the manufacturing method includes: corresponding to the insulating layer The position of the second sensing electrode pattern is formed such that a portion of the second sensing electrode pattern is located in the via.
- the touch panel produced by the present invention is different from the prior art in that the first sensing electrode pattern and the second pass
- the insulating layer between the sensing electrode patterns is not a complete layer, and the insulating layer is provided with a via hole at a position corresponding to the second sensing electrode pattern, so that a part of the second sensing electrode pattern falls into the insulating layer.
- the hole the mutual capacitance between the first sensing electrode pattern and the second sensing electrode pattern is increased, and the anti-interference ability of the touch panel is improved.
- the forming the via hole at the position of the insulating layer corresponding to the second sensing electrode pattern comprises: the insulating layer corresponding to the second sensing electrode pattern and the first sensing electrode pattern not The locations in contact form a via.
- the first sensing electrode pattern is not connected to the second sensing electrode pattern through the via hole, and does not affect the normal operation of the touch panel.
- the manufacturing method includes:
- a second transparent conductive layer is deposited on the insulating layer on which the via holes are formed, and the second sensing electrode pattern is formed by a patterning process.
- the manufacturing method further includes: forming, by the first transparent conductive layer, a conductive pattern corresponding to the via.
- the second sensing electrode pattern is connected to the conductive pattern through the via hole to form a new conductive structure, and the thickness of the conductive structure is greater than the thickness of the second sensing electrode pattern, thereby further increasing the edge capacitance of the touch panel.
- the manufacturing method includes:
- a second transparent conductive layer is deposited on the insulating layer on which the via holes are formed, and the second sensing electrode pattern is formed by a patterning process, and the conductive pattern is connected to the second sensing electrode pattern through the via holes.
- Embodiment 1 The touch panel of the present invention and the manufacturing method thereof are described in detail below with reference to specific embodiments: Embodiment 1
- the first sensing electrode pattern 1 and the second pass The sensing electrode patterns 2 are separated by an insulating layer.
- a mutual capacitance is formed between the first sensing electrode pattern 1 and the second sensing electrode pattern 2; in other directions, the first sensing electrode pattern 1 and the second sensing electrode pattern 2
- An edge capacitance is formed between the mutual capacitance and the edge capacitance to constitute an inherent capacitance between the first sensing electrode pattern 1 and the second sensing electrode pattern 2.
- a via hole is formed at a position corresponding to the second sensing electrode pattern 2 of the insulating layer, which can increase the inherent between the first sensing electrode pattern 1 and the second sensing electrode pattern 2. capacitance.
- the method for manufacturing the touch panel of this embodiment includes the following steps:
- Step a depositing a first transparent conductive layer on the substrate, and forming a first sensing electrode pattern by a patterning process;
- the first transparent conductive layer is formed on the substrate by deposition, wherein the first transparent conductive layer may be ffi ⁇ (indium tin oxide) or: LZO (indium zinc oxide), and ZnO (zinc oxide) may also be used. Or AZO (doped with aluminum zinc oxide) and so on.
- the resist remaining portion corresponds to the first sensing electrode pattern, and the remaining portion of the photoresist is completely removed.
- the first transparent conductive layer is etched to cover the region of the photoresist, and the remaining photoresist is removed to form a first sensing electrode pattern composed of the first transparent conductive layer.
- the region where the first transparent conductive layer is not covered with the photoresist may be etched by wet etching, that is, the region where the first transparent conductive layer is not covered with the photoresist is etched away by the etching solution;
- the etching is performed by gas bombardment to etch away the region of the first transparent conductive layer that is not covered with the photoresist.
- Step b depositing an insulating layer on the substrate on which the first sensing electrode pattern is formed, and forming a via hole at a position corresponding to the second sensing electrode pattern by a patterning process;
- the insulating layer may be formed by depositing on the substrate on which the first sensing electrode pattern is formed, wherein the material forming the insulating layer may be nitrogen oxide or silicon oxide or SiNx (nitriding) silicon).
- a photoresist is coated on the insulating layer, and the photoresist-coated insulating layer is exposed and developed using a mask. If the photoresist is a negative photoresist, in the direction perpendicular to the substrate, the developed photoresist retaining portion corresponds to the second sensing electrode pattern, or the developed photoresist retaining portion includes The second sensing electrode pattern is slightly larger than the second sensing electrode pattern, but the developed photoresist remaining portion does not overlap with the first sensing electrode pattern, and the remaining portion of the photoresist is completely removed. An area in which the insulating layer covers the photoresist is etched to form a pattern including an insulating layer having via holes.
- the region where the insulating layer covers the photoresist may be etched by wet etching, that is, the region where the insulating layer covers the photoresist is etched by the etching solution; or may be dry etching, that is, by gas bombardment The area where the insulating layer covers the photoresist is etched away.
- Step C depositing a second transparent conductive layer on the insulating layer on which the via holes are formed, and forming a second sensing electrode pattern by a patterning process.
- a second transparent conductive layer is formed on the substrate by a deposition method, wherein the second transparent conductive layer may be a ffi rro or an IZO.
- the embodiment is not limited thereto, and those skilled in the art may also adopt according to actual needs. ZnO or AZO, etc.
- the second transparent conductive layer is etched to cover the region of the photoresist, and the remaining photoresist is removed to form a second sensing electrode pattern composed of the second transparent conductive layer.
- the region where the second transparent conductive layer is not covered with the photoresist may be etched by wet etching, that is, the region where the second transparent conductive layer is not covered with the photoresist is etched away by the etching solution;
- the etching is performed by gas bombardment to etch away the region of the second transparent conductive layer that is not covered with the photoresist.
- the first sensing electrode pattern 1 and the second sensing electrode pattern 2 as shown in FIG. 5 to FIG. 7 can be formed.
- the via 3 can be connected to the second sensing electrode.
- the pattern 2 is completely coincident, and may be slightly larger than the second sensing electrode pattern 2, but the via 3 does not overlap with the first sensing electrode pattern i.
- a portion of the second sensing electrode pattern 2 falls into the via 3 of the insulating layer, such that the portion of the second sensing electrode pattern 2 is in the same layer as the first sensing electrode pattern 1, which can increase the second
- the mutual capacitance between the sensing electrode pattern 2 and the first sensing electrode pattern 1 increases the inherent capacitance between the second sensing electrode pattern 2 and the first sensing electrode pattern 1 to improve the anti-interference ability of the touch panel. .
- the capacitance is also simulated, and the capacitance between R2 and RJ, R3 and Tl, ⁇ 2, ⁇ '3, ⁇ 4 is At 2.44pF, the capacitance increased by 9.4%. It can be seen that, by the technical solution of the present invention, the capacitance increase between the transmission signal line and the reception signal line is about 0%.
- the transmission signal lines are formed in the via holes of the insulating layer.
- the receiving signal lines may be formed on the insulating layer.
- the first sensing electrode pattern 1 and the second sensing electrode pattern 2 are separated by an insulating layer, and the first sensing electrode pattern is perpendicular to the substrate. 1 and the second sensing electrode pattern 2 are formed with mutual capacitance; in other directions, an edge capacitance is formed between the first sensing electrode pattern 1 and the second sensing electrode pattern 2, the mutual capacitance and the edge capacitance The inherent capacitance between the first sensing electrode pattern 1 and the second sensing electrode pattern 2 is formed.
- a via hole is formed at a position corresponding to the second sensing electrode pattern 2 of the insulating layer, and the first sensing electrode pattern 1 and the second sensing electrode pattern 2 can be increased. Inherent capacitance.
- the method for manufacturing the touch panel of this embodiment includes the following steps:
- Step a depositing a first transparent conductive layer on the substrate, and forming a first sensing electrode pattern and a conductive pattern by a patterning process;
- the first transparent conductive layer is formed on the substrate by deposition, wherein the first transparent conductive layer may be ITO or IZO, or may be ZnO or AZO.
- the developed photoresist retaining portion corresponds to the first sensing electrode pattern and the conductive pattern, and the remaining portion of the photoresist is completely removed, wherein the conductive pattern corresponds to the via of the insulating layer.
- the first transparent conductive layer is etched to cover the region of the photoresist, and the remaining photoresist is removed to form a first sensing electrode pattern and a conductive pattern composed of the first transparent conductive layer.
- the region where the first transparent conductive layer is not covered with the photoresist may be etched by wet engraving, that is, the region where the first transparent conductive layer is not covered with the photoresist is etched away by the engraving liquid; Therefore, the first transparent conductive layer does not cover the region of the photoresist by dry etching, that is, the gas is bombarded.
- the insulating layer may be formed by depositing on the substrate on which the first sensing electrode pattern is formed, wherein the material forming the insulating layer may be an oxide of nitrogen or an oxide of silicon or
- the developed photoresist retaining portion corresponds to the second sensing electrode pattern, or the developed photoresist retaining portion includes the second sensing electrode pattern but is slightly larger than the second sensing electrode pattern, but the developed photolithography
- the glue remaining portion does not overlap with the first sensing electrode pattern, and the remaining portion of the photoresist is completely removed.
- the insulating layer covers the region of the photoresist to form a pattern of the insulating layer including the via holes.
- the region where the insulating layer covers the photoresist may be etched by wet etching, that is, the region where the insulating layer covers the photoresist is etched by the etching solution; or may be dry etching, that is, by gas bombardment The area where the insulating layer covers the photoresist is etched away.
- Step c depositing a second transparent conductive layer on the insulating layer on which the via holes are formed, and forming a second sensing electrode pattern by a patterning process.
- a second transparent conductive layer is formed on the substrate by deposition, wherein the second transparent conductive layer may be ITO or IZO, or may be ZnO or AZO.
- the second transparent conductive layer is etched to cover the region of the photoresist, and the remaining photoresist is removed to form a second sensing electrode pattern composed of the second transparent conductive layer.
- the region where the second transparent conductive layer is not covered with the photoresist may be etched by wet etching, that is, the region where the second transparent conductive layer is not covered with the photoresist is etched away by the etching solution;
- the etching is performed by gas bombardment to etch away the region of the second transparent conductive layer that is not covered with the photoresist.
- the first sensing electrode pattern 1 as shown in FIG. 5, FIG. 8 and FIG. 9 can be formed.
- the second sensing electrode pattern 2 in the direction perpendicular to the substrate the via 3 can completely overlap with the second sensing electrode pattern 2, ffi can be slightly larger than the second sensing electrode pattern 2, but the via 3 does not It overlaps with the first sensing electrode pattern 1. It can be seen that a portion of the second sensing electrode pattern 2 is connected to the conductive pattern 4 through the via 3 of the insulating layer to form a new conductive structure, and the portion of the conductive structure is located on the same layer as the first sensing electrode pattern 1 and can be increased.
- the inherent capacitance between the second sensing electrode pattern 2 and the first sensing electrode pattern 1 can be increased, and the anti-interference ability of the touch panel can be improved. .
- the receiving signal line is formed first to form the transmitting signal line.
- the transmitting signal line may be formed first to form the receiving signal line.
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- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/415,991 US20150227234A1 (en) | 2013-12-09 | 2014-05-20 | Touch panel and manufacturing method for the same, and display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310662060.5 | 2013-12-09 | ||
CN201310662060.5A CN103677413B (zh) | 2013-12-09 | 2013-12-09 | 触摸面板及其制作方法、显示装置 |
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WO2015085714A1 true WO2015085714A1 (zh) | 2015-06-18 |
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PCT/CN2014/077889 WO2015085714A1 (zh) | 2013-12-09 | 2014-05-20 | 触摸面板及其制作方法、显示装置 |
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US (1) | US20150227234A1 (zh) |
CN (1) | CN103677413B (zh) |
WO (1) | WO2015085714A1 (zh) |
Families Citing this family (4)
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CN103677413B (zh) * | 2013-12-09 | 2016-09-21 | 合肥京东方光电科技有限公司 | 触摸面板及其制作方法、显示装置 |
CN105320330B (zh) * | 2014-07-29 | 2018-09-14 | 南京瀚宇彩欣科技有限责任公司 | 光电调变堆叠 |
KR101913394B1 (ko) * | 2016-07-29 | 2018-10-31 | 삼성디스플레이 주식회사 | 표시 장치 |
CN112114700A (zh) | 2020-09-03 | 2020-12-22 | 深圳市华星光电半导体显示技术有限公司 | 传感器组件及显示装置 |
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- 2013-12-09 CN CN201310662060.5A patent/CN103677413B/zh active Active
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2014
- 2014-05-20 US US14/415,991 patent/US20150227234A1/en not_active Abandoned
- 2014-05-20 WO PCT/CN2014/077889 patent/WO2015085714A1/zh active Application Filing
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CN103176681A (zh) * | 2013-03-08 | 2013-06-26 | 南昌欧菲光科技有限公司 | 触控面板及其制造方法 |
CN103677413A (zh) * | 2013-12-09 | 2014-03-26 | 合肥京东方光电科技有限公司 | 触摸面板及其制作方法、显示装置 |
CN203588247U (zh) * | 2013-12-09 | 2014-05-07 | 合肥京东方光电科技有限公司 | 触摸面板及显示装置 |
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US20150227234A1 (en) | 2015-08-13 |
CN103677413A (zh) | 2014-03-26 |
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