WO2017185833A1 - 触控基板和触控液晶显示面板 - Google Patents

触控基板和触控液晶显示面板 Download PDF

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Publication number
WO2017185833A1
WO2017185833A1 PCT/CN2017/071127 CN2017071127W WO2017185833A1 WO 2017185833 A1 WO2017185833 A1 WO 2017185833A1 CN 2017071127 W CN2017071127 W CN 2017071127W WO 2017185833 A1 WO2017185833 A1 WO 2017185833A1
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Prior art keywords
substrate
touch
conductive layer
liquid crystal
display panel
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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PCT/CN2017/071127
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English (en)
French (fr)
Inventor
周刚
张正东
田华
杨小飞
莫再隆
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US15/541,598 priority Critical patent/US10295855B2/en
Publication of WO2017185833A1 publication Critical patent/WO2017185833A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/441—Interconnections, e.g. scanning lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Definitions

  • Embodiments of the present invention relate to a touch substrate and a touch liquid crystal display panel.
  • a touch display panel for example, an on cell touch panel or a One Glass Solution (OGS) touch panel, has a certain touch structure on the surface of the glass substrate.
  • a transparent conductive film generally formed of indium tin oxide (ITO) to achieve a touch function. Since the refractive index of the transparent conductive film material (ITO) is generally larger than that of the glass, the transmittance of the portion of the display screen covered with the transparent conductive film material is smaller than that of the hollow portion of the transparent conductive film material, which causes the display screen to appear. Light and dark touch stripes.
  • the conventional liquid crystal display module with heating function is generally composed of three components: a backlight board, a heating board and a liquid crystal display panel.
  • the heating plate is usually placed between the liquid crystal display panel and the backlight, or placed on the surface of the liquid crystal display module.
  • the liquid crystal panel is heated by a heating plate. This structure not only increases the thickness and weight of the liquid crystal display module, but also has a poor heating effect because the heating plate is far from the liquid crystal.
  • An embodiment of the present invention provides a touch substrate having an effective display area, the touch substrate including: a base substrate; and a plurality of touches formed on the base substrate and in the effective display area An electrode; and a conductive layer formed on the base substrate and in the effective display region, wherein the conductive layer is configured to generate heat in a state where a voltage is applied, wherein the conductive layer and the conductive layer
  • the touch electrode is electrically insulated, and the conductive layer does not overlap with any one of the touch electrodes in a direction perpendicular to the base substrate.
  • a touch liquid crystal display panel including: an array substrate, an opposite substrate, and a liquid crystal layer disposed between the array substrate and the opposite substrate, wherein
  • the array substrate includes a first substrate and a plurality of pixel units formed on the first substrate;
  • the opposite substrate includes a second substrate, and the touch liquid crystal display panel further includes: a plurality of touches on at least one of the first substrate and the second substrate An electrode; a conductive layer formed on at least one of the first substrate and the second substrate, wherein the conductive layer is configured to generate heat in a state where a voltage is applied, the touch liquid crystal
  • the display panel has an effective display area, the plurality of touch electrodes and the conductive layer are located in the effective display area, and the conductive layer is electrically insulated from any one of the touch electrodes, and is perpendicular to the The conductive layer does not overlap with any one of the touch electrodes in the direction of the second substrate.
  • FIG. 1 is a partial cross-sectional structural view of a touch liquid crystal display panel according to an embodiment of the present invention
  • FIG. 2 is a schematic top plan view of a touch liquid crystal display panel according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing a distribution of a plurality of gap regions in an effective display area of a touch liquid crystal display panel according to an embodiment of the present invention
  • FIG. 4 is a diagram showing a pattern of a conductive layer in a touch liquid crystal display panel according to an embodiment of the present invention.
  • FIG. 5 is a diagram showing another conductive layer pattern in a touch liquid crystal display panel according to an embodiment of the present invention.
  • FIG. 6 is a diagram showing another pattern of a conductive layer in a touch liquid crystal display panel according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional structural diagram of a counter substrate of a touch liquid crystal display panel according to another embodiment of the present invention.
  • FIG. 8 is a cross-sectional structural view showing a counter substrate of a touch liquid crystal display panel according to another embodiment of the present invention.
  • FIG. 9 is a cross-sectional structural view showing a counter substrate of a touch liquid crystal display panel according to still another embodiment of the present invention.
  • An embodiment of the present invention provides a touch liquid crystal display panel 1 .
  • an array substrate 10 a counter substrate 20 , and a liquid crystal layer 30 disposed between the array substrate 10 and the opposite substrate 20 are provided. .
  • the array substrate 10 includes a first base substrate 101 and a plurality of pixel units 102 formed on the first base substrate 101. Although not shown in FIG. 1, the array substrate further includes a plurality of gate lines and a plurality of data lines. These gate lines and data lines cross each other thereby defining pixel units 102 arranged in a matrix, each of which includes a thin film transistor (not shown) as a switching element and a pixel electrode for controlling the arrangement of liquid crystals.
  • the pixel electrode is used to apply an electric field to control the degree of rotation of the liquid crystal molecules to perform a display operation.
  • the gate of the thin film transistor of each pixel unit is electrically connected or integrally formed with the corresponding gate line
  • the source is electrically connected or integrally formed with the corresponding data line
  • the drain is electrically connected or integrally formed with the corresponding pixel electrode.
  • a plurality of pixel units 102 are exemplarily represented in FIG. 1 by a plurality of pixel electrodes 102.
  • the counter substrate 20 includes a second base substrate 201 and a plurality of touch electrodes 202 periodically arranged on the upper surface of the second base substrate 201.
  • the opposite substrate 20 further includes a shape A black matrix 204 and a color filter layer 205 are formed on the second base substrate 201.
  • the black matrix 204 and the color filter layer 205 may be formed, for example, in the array substrate 10.
  • the counter substrate 20 may further include, for example, a common electrode layer for controlling the rotation of the liquid crystal molecules together with the plurality of pixel electrodes 102 on the array substrate 10.
  • the touch liquid crystal display panel 1 further includes a conductive layer 203 formed on a lower surface of the second base substrate 201.
  • the conductive layer 203 is configured to generate heat in a state where a voltage is applied.
  • the conductive layer 203 is electrically insulated from any one of the touch electrodes 202.
  • the touch liquid crystal display panel 1 has an effective display area D and a peripheral area P surrounding the effective display area D.
  • the plurality of touch electrodes 202 and the conductive layer 203 are both located in the effective display area D.
  • the conductive layer 203 used as the heating layer is embedded in the structure of the touch liquid crystal display panel 1 , thereby improving the display effect and the touch effect of the touch liquid crystal display panel 1 at a low temperature.
  • the weight and thickness of the touch liquid crystal display panel 1 are not increased, and the touch liquid crystal display panel is light and thin.
  • FIG. 2 is a schematic top plan view of a touch liquid crystal display panel according to an embodiment of the invention.
  • the plurality of touch electrodes 202 formed on the upper surface of the second substrate 201 of the opposite substrate 20 include, for example, a plurality of rectangular touch driving electrodes T 11 -T 53 and a plurality of strip contacts. Control the sensing electrodes R 1 -R 3 .
  • the touch driving electrodes T 11 -T 53 are arranged in a matrix of 5 rows and 3 columns, and the three touch sensing electrodes R 1 -R 3 are respectively arranged on the right side of each column of the touch driving electrodes. It can be understood that the number and shape of the touch driving electrodes and the touch sensing electrodes herein are exemplary.
  • the touch driving electrodes T 11 -T 53 and the touch sensing electrodes R 1 -R 3 are periodically arranged on the second substrate 201.
  • the touch driving electrodes T 11 -T 53 and the touch sensing electrodes R 1 -R 3 are disposed at the same level and are formed of the same transparent conductive material (for example, indium tin oxide).
  • the touch driving electrodes T 11 -T 53 and the touch sensing electrodes R 1 -R 3 are located at different levels in the touch liquid crystal display panel 1.
  • the material for forming the touch driving electrodes T 11 -T 53 may be different from the material for forming the touch sensing electrodes R 1 -R 3 .
  • the conductive layer 203 and each of the touch electrodes 202 do not overlap in a direction perpendicular to the touch liquid crystal display panel 1 , that is, in a direction perpendicular to the second base substrate 201 . That is, the vertical projection of the conductive layer 203 on the upper surface K of the second base substrate 201 does not overlap with the vertical projection of each touch electrode 202 on the upper surface K of the second base substrate 201.
  • the fact that the two vertical projections do not overlap includes the fact that the edges of the two projections partially coincide.
  • FIG. 3 is a schematic diagram showing a distribution of a plurality of gap regions according to an embodiment of the present invention.
  • the effective display area D of the touch liquid crystal display panel 1 includes a plurality of first gap regions D1, a plurality of second gap regions D2, and a plurality of third gap regions that are not occupied by the plurality of touch electrodes 203. D3.
  • the effective display area D, the peripheral area P, and the first to third gap areas D1-D3 all refer to an area that penetrates the entire thickness range of the touch liquid crystal display panel 1.
  • the effective display area D and the peripheral area P do not overlap each other; the first to third gap areas D1-D3 do not overlap each other.
  • the combination of all of the first to third gap regions D1-D3 is complementary to the combination (white region) of the regions occupied by the plurality of touch electrodes 203. That is, all of the first to third gap regions D1 - D3 and the regions occupied by the plurality of touch electrodes 203 together constitute, for example, the effective display region D.
  • the effective display area D, the peripheral area P, and the first to third gap areas D1-D3 also correspond to the area division of the array substrate 10 and the counter substrate 20 suitable for the touch liquid crystal display panel 1.
  • the array substrate 10 and the opposite substrate 20 can also be correspondingly divided into an effective display area D and a peripheral area P, wherein the effective display area D includes a plurality of non-overlapping first portions that are not occupied by the plurality of touch electrodes 203.
  • the effective display region D, the peripheral region P, and the first to third gap regions D1 - D3 of the array substrate 10 and the counter substrate 20 also mean regions that penetrate the entire thickness range of the array substrate 10 and the counter substrate 20, respectively.
  • the first to third gap regions D1 - D3 are respectively shown by a small gradation region, an intermediate gradation region, and a large gradation region.
  • the first gap region D1 is a longitudinal strip gap region shown in FIG. 3 in a small gray scale.
  • the vertical projection of the first gap region D1 on the upper surface K of the second base substrate 201 abuts the left side edge of the vertical projection of a column of touch driving electrodes on the upper surface K of the second substrate 201, for example, on the left side a vertical gap of the first gap region D1 on the upper surface K of the second base substrate 201 and a touch drive driving electrode of the left row of the touch drive electrodes T11-T51 on the second substrate 201
  • the left edge of the vertical projection on the upper surface K overlaps, and the upper edge, the lower edge, and the left edge of the first gap region D1 on the left side overlap with the corresponding edge of the effective display region D.
  • the first gap region D1 in the middle is vertically projected on the upper surface K of the second substrate 201 and the touch drive electrode on each of the middle of the column of touch drive electrodes T12-T52 is on the second substrate 201.
  • the left edge of the vertical projection on the upper surface K overlaps, and the left first edge of the first gap region D1 on the upper surface K of the second substrate 201 is perpendicular to the touch sensing electrode R 1 on the left side.
  • the right side edges of the vertical projections on the upper surface K of the second base substrate 201 overlap, and the upper and lower edges of the intermediate first gap region D1 overlap with the corresponding edges of the effective display region D.
  • the first gap region D1 on the right side is perpendicularly projected on the upper surface K of the second base substrate 201, and the right touch edge of each row of the touch drive electrodes T13-T53 is on the second substrate.
  • the left side edge of the vertical projection on the upper surface K of the substrate 201 overlaps, and the left edge of the vertical gap on the upper surface K of the second substrate substrate 201 and the touch sensing electrode R in the middle of the first gap region D1 on the right side 2
  • the right side edge of the vertical projection on the upper surface K of the second base substrate 201 is overlapped, and the upper edge and the lower edge of the first gap region D1 on the right side overlap with the corresponding edge of the effective display area D.
  • the second gap region D2 is a longitudinal stripe gap region shown in FIG. 3 in an intermediate gray scale.
  • the vertical projection of the second gap region D2 on the upper surface K of the second base substrate 201 abuts the right edge of the vertical projection of each column of the touch driving electrodes on the upper surface K of the second substrate 201 and each strip The left side edge of the vertical projection of the touch sensing electrode on the upper surface K of the second substrate 201.
  • each of the second gap regions D2 is vertically projected on the upper surface K of the second substrate 201 and the left side edge of the adjacent one of the columns of touch driving electrodes is on the second substrate.
  • the right edge of the vertical projection on the upper surface K of 201 overlaps, and the right edge of the vertical projection of each second gap region D2 on the upper surface K of the second substrate 201 is adjacent to the adjacent touch sensing electrode.
  • the left side edges of the vertical projections on the upper surface K of the two base substrates 201 are overlapped, and the upper and lower edges of each of the second gap regions D2 are correspondingly overlapped with the upper and lower edges of the effective display area D.
  • the third gap region D3 is a gap region other than the first gap region D1 and the second gap region D2 in the effective display region D, which is shown in FIG. 3 in a larger gradation.
  • the vertical projection of the third gap region D3 on the upper surface K of the second substrate 201 is, for example, the upper edge of the vertical projection of the touch electrode 202 on the upper surface K of the second substrate 201, The edges or side edges coincide.
  • each of the gap regions D1 to D3 on the upper surface K of the second base substrate 201 and at least one of the plurality of touch electrodes 202 are on the upper surface of the second base substrate 201
  • the edges of the vertical projection on K at least partially overlap.
  • the plurality of touch electrodes 202 do not overlap with any of the gap regions in a direction perpendicular to the second substrate.
  • the conductive layer 203 is located, for example, in at least one of the gap regions.
  • the cross-sectional structure of the touch liquid crystal display panel 1 shown in FIG. 1 is, for example, a cross-sectional structure taken along line II' shown in FIG. 2. It should be noted that the size ratios of the corresponding structures of FIGS. 1 and 2 are not uniform for the purpose of clarity of the example.
  • the conductive layer 203 is formed, for example, at least in the third gap region D3.
  • the conductive layer 203 is formed, for example, of a transparent conductive material.
  • the conductive layer 203 is formed of the same material as the touch electrode 202.
  • the conductive layer 203 fills, for example, the third gap region D3 between two adjacent touch driving electrodes of each column of the touch driving electrodes.
  • the conductive layer 203 fills all of the first to third gap regions D1 - D3 in the effective display region D of the touch liquid crystal display panel 1 , for example, as shown in FIG. 4 . That is, the vertical projection of the conductive layer 203 on the upper surface K of the second substrate 201 and the vertical projection of the plurality of touch electrodes 202 on the upper surface K of the second substrate 201 cover the effective display area D. The entire upper surface of the second substrate 201 is inside. With continued reference to FIG. 4, the conductive layer 203 is electrically connected to the voltage supply unit 208.
  • the upper end of the conductive layer 203 is connected to the first terminal M1 of the pressure supply unit 208; the lower ends of the conductive strips S1 to S3 are connected to the second terminal M2 of the pressure supply unit 208.
  • the potential of the first terminal M1 of the pressure supply unit 208 is different from the potential of the second terminal M2 of the pressure supply unit 208.
  • the conductive layer 203 is applied with a voltage to generate heat for heating the touch liquid crystal display panel 1.
  • the conductive layer 203 and any one of the touch electrodes 202 do not overlap in the direction perpendicular to the touch liquid crystal display panel 1. Therefore, the phenomenon that the touch liquid crystal display panel causes light and dark stripes due to the pattern of the touch electrode can be reduced or eliminated, thereby improving the display quality while improving the low temperature display effect and the touch effect of the touch liquid crystal display panel.
  • the touch liquid crystal display panel 1 further includes at least one wiring formed on the second base substrate 201 and located in at least one of the first to third gap regions D1 to D3.
  • the at least one wiring includes a driving signal line L1 formed in the first gap region D1 and a common electrode line L2 formed in the second gap region D2.
  • the at least one wiring and the plurality of touch electrodes are located at the same level and are formed of the same material.
  • the driving signal line L1 and the common electrode line L2 are disposed in the same layer as the plurality of touch electrodes 202 and are formed of the same transparent conductive material.
  • the driving signal line L1 and the common electrode line L2 are connected to the control unit 207, for example, by a plurality of metal traces L3 located in the peripheral area, respectively.
  • a plurality of driving signal lines L1 located in the first gap region D1 are respectively connected to the respective touch driving electrodes T 11 -T 53 for transmitting driving signals from the control unit 207.
  • the common electrode line L2 receives, for example, a common signal from the control unit 207. For example, all of the common electrode lines L2 are grounded.
  • each wiring has a width of 4 to 15 ⁇ m
  • each touch electrode has a width of 1 to 2 mm. Therefore, the minimum width of the first gap region D1 (for example, the width of the first gap region D1 in FIG. 3 in the lateral direction) is formed to be larger than the minimum width of the second gap region D2 (for example, the second gap region in FIG.
  • the width of the second gap region D2 is formed to be greater than the minimum width of the third gap region D3 (for example, the adjacent two touch driving electrodes of the same column of touch driving electrodes in FIG. 3) The width of the third gap region D3 in the longitudinal direction). It should be noted that the distribution of the respective spaced regions is only exemplarily shown in FIG. 3, and the illustrated sizes and proportions of the respective spaced regions do not necessarily reflect the actual situation.
  • the conductive layer 203 may have, for example, two patterns as shown in FIGS. 5 to 6.
  • the vertical projection of the conductive layer 203 on the upper surface K of the second base substrate 201 and any one of the plurality of wirings L1-L2 on the upper surface K of the second base substrate 201 The vertical projections do not overlap, and the vertical projection of the conductive layer 203 on the upper surface K of the second substrate 201 and the plurality of touch electrodes T 11 -T 53 and the plurality of wirings L1 and L2 are on the second substrate A vertical projection on the upper surface K of 201 covers the entire upper surface of the second substrate 201 in the effective display region D.
  • the conductive layer 203 is electrically connected to the voltage supply unit 208.
  • the upper end of the conductive layer 203 is connected to the first terminal M1 of the pressure supply unit 208; the lower ends of the conductive strips S1 to S3 are connected to the second terminal M2 of the pressure supply unit 208.
  • the potential of the first terminal M1 of the pressure supply unit 208 is different from the potential of the second terminal M2 of the pressure supply unit 208.
  • the conductive layer 203 is applied with a voltage to generate heat for heating the touch liquid crystal display panel 1.
  • the conductive layer 203 fully fills the area of the touch liquid crystal display panel 1 where the plurality of transparent touch electrodes 202 and the plurality of wirings L1 and L2 are not disposed, so that the light and dark stripes of the liquid crystal display panel 1 are touched. Can be fully avoided.
  • the conductive layer 203 fills only three first gap regions D1 separated from each other, thereby being formed to include only three conductive strips S1 to S3 separated from each other.
  • each of the driving signal lines L1 overlaps with the corresponding conductive strip.
  • the conductive strips S1 to S3 are electrically connected to the pressure supply unit 208.
  • the upper ends of the conductive strips S1 to S3 are connected to the first terminal M1 of the pressure supply unit 208; the lower ends of the conductive strips S1 to S3 are connected to the second terminal M2 of the pressure supply unit 208.
  • the potential of the first terminal M1 of the pressure supply unit 208 is different from the potential of the second terminal M2 of the pressure supply unit 208.
  • the conductive layer 203 is applied with a voltage to generate heat for heating the liquid crystal layer 30 of the touch liquid crystal display panel 1.
  • the conductive layer 203 is formed only in the first gap region D1 having a small minimum width, on the one hand, the process difficulty of the conductive layer 203 and the alignment accuracy requirement are reduced, and on the other hand, the touch can be effectively avoided.
  • the generation of light and dark stripes of the liquid crystal display panel 1 is controlled.
  • the above-described pressure supply unit 208 is, for example, a flexible printed circuit board.
  • the conductive layer 203 fills only three first gap regions D1 separated from each other and three second gap regions D2 separated from each other.
  • the plurality of touch driving electrodes T 11 -T 53 are formed in the same level as the plurality of touch sensing electrodes R 1 -R 3 , embodiments of the present invention are not limited thereto. In another implementation, the plurality of touch driving electrodes T 11 -T 53 may be formed in different levels of the touch liquid crystal display panel 1 with the plurality of touch sensing electrodes R 1 -R 3 .
  • the plurality of touch electrodes 202 and the conductive layer 203 are both formed on the second base substrate 201, embodiments of the present invention are not limited thereto.
  • a plurality of touch electrodes 202 are formed on the second substrate 201, and a conductive layer 203 is formed on the first substrate 101.
  • the conductive layer 203 is formed in one level. However, embodiments of the invention are not limited thereto. In another embodiment, a portion of the conductive layer 203 may be formed on the first substrate 101, and another portion of the conductive layer 203 may be formed on the second liner. On the base substrate 201.
  • the touch liquid crystal display panel 1 further includes a temperature sensor 206 disposed on the opposite substrate 20 for detecting the temperature of the touch liquid crystal display panel 1 .
  • the temperature sensor 206 can detect the temperature of the touch liquid crystal display panel 1 in real time.
  • the temperature sensor 206 is disposed, for example, in the peripheral area P.
  • the touch liquid crystal display panel 1 provided in the above embodiment of the present invention is formed, for example, by forming a conductive layer 203 on a lower surface of a second base substrate (for example, a glass substrate) 201; A black matrix 204, a color filter layer (for example, an R/G/B resin layer), and a column spacer (not shown) are sequentially formed on the conductive layer 203; then, the second substrate 201 on which the above structure is to be formed is formed. After the cartridge is aligned with the array substrate 10, a plurality of touch electrodes 202 are formed on the outer surface of the second substrate 201.
  • the conductive layer 203 is formed between the lower surface of the second base substrate 201 and the black matrix 204 and the color filter layer 205, but the embodiment of the present invention is not limited thereto.
  • a conductive layer 203 is formed on the lower surface of the second substrate 201 and the color filter layer 205 and the column spacer 209 are formed. between.
  • the counter substrate is formed, for example, by first forming a black matrix 204 and a color filter layer (for example, an R/G/B resin layer) on the lower surface of the second base substrate (for example, the glass substrate) 201.
  • a conductive layer 203 is formed on the lower surface of the color filter layer (for example, the R/G/B resin layer), and a columnar spacer is formed on the conductive layer 203; then, in the second portion where the above structure is to be formed After the base substrate 201 and the array substrate 10 are opposed to each other, a plurality of touch electrodes 202 are formed on the upper surface of the second base substrate 201.
  • the color filter layer for example, the R/G/B resin layer
  • a conductive layer 203 and a plurality of touch electrodes 202 are formed on an upper surface of the second substrate 201, and an insulating layer is formed. 210 is formed between the conductive layer 203 and the plurality of touch electrodes 202.
  • the counter substrate is formed, for example, by first forming a black matrix 204 and a color filter layer (for example, an R/G/B resin layer) on the lower surface of the second base substrate (for example, the glass substrate) 201.
  • a columnar spacer 209 then, after the second substrate 201 having the above structure is formed on the array substrate, the conductive layer 203, the insulating layer 210, and the conductive layer 210 are sequentially formed on the upper surface of the second substrate 201.
  • a plurality of touch electrodes 202 are sequentially formed on the upper surface of the second substrate 201.
  • a conductive layer 203 is formed between the upper surface of the base substrate and the black matrix 204 and the color filter layer 205.
  • the opposite substrate is formed, for example, by first forming a columnar spacer 209 on a lower surface of a second base substrate (for example, a glass substrate) 201; then, a second substrate on which a columnar spacer 209 is to be formed After the substrate 201 is aligned with the array substrate 10, a conductive layer 203, a black matrix 204, a color filter layer (for example, an R/G/B resin layer), and a plurality of touches are sequentially formed on the upper surface of the second base substrate 201. Control electrode 202.
  • the column spacers 209 may also be formed on the base substrate 10.
  • the opposite substrate provided by the embodiment of the present invention can be used not only for the liquid crystal touch display panel but also for the organic light emitting display panel, the electronic paper and the like.
  • the opposite substrate 20 in the above embodiment is one of the touch substrates.
  • the conductive layer 203 and the plurality of touch electrodes 202 are formed on at least one of the first base substrate 101 and the second base substrate 201, the implementation of the present invention The example is not limited to this.
  • the conductive layer 203, the plurality of touch electrodes 202, the plurality of wires, and the like may be formed on the third substrate, for example, different from the liquid crystal.

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Abstract

一种触控基板(20)和触控液晶显示面板(1)。所述触控基板(20)具有有效显示区域(D)。所述触控基板（20）包括：衬底基板(201)；形成在所述衬底基板(201)上且在所述有效显示区域(D)内的多个触控电极(202)；以及形成在所述衬底基板(201)上且在所述有效显示区域(D)内的导电层(203)，其中，所述导电层(203)构造为在施加电压的状态下产生热量，其中，所述导电层(203)与任一个所述触控电极(202)电性绝缘，且在垂直于所述衬底基板(201)的方向上，所述导电层(203)与任一个所述触控电极(202)不重叠。这样，一方面提高了触控液晶显示面板(1)在低温下的显示效果和触控效果，另一方面不增加触控液晶显示面板(1)的重量和厚度而实现触控液晶显示面板(1)的轻薄化。

Description

触控基板和触控液晶显示面板 技术领域
本发明的实施例涉及一种触控基板和触控液晶显示面板。
背景技术
在相关技术中，触控显示面板，例如，表层式(on cell)触控面板或单片玻璃式(One Glass Solution，OGS)触控面板等，在其玻璃基板表面设置有具有一定的触摸结构的透明导电膜(一般由氧化铟锡(ITO)形成)以实现触摸功能。由于透明导电膜材料(ITO)的折射率通常大于玻璃，这会导致显示屏幕上覆盖有透明导电膜材料的部分的透过率小于没有覆盖透明导电膜材料的镂空部分，进而导致显示屏幕上出现明暗相间的触摸条纹。
传统带有加热功能的液晶显示模组，一般由背光板、加热板、液晶显示面板三大组件构成。加热板通常放置在液晶显示面板与背光板之间，或者放在液晶显示模组的表面。通过加热板加热液晶面板。这种结构不仅会增加液晶显示模组的厚度和重量，而且由于加热板离液晶较远，加热效果差。
发明内容
本发明的一实施例提供一种触控基板，具有有效显示区域，所述触控基板包括：衬底基板；形成在所述衬底基板上且在所述有效显示区域内的多个触控电极；以及形成在所述衬底基板上且在所述有效显示区域内的导电层，其中，所述导电层构造为在施加电压的状态下产生热量，其中，所述导电层与任一个所述触控电极电性绝缘，且在垂直于所述衬底基板的方向上，所述导电层与任一个所述触控电极不重叠。
本发明的另一实施例提供一种触控液晶显示面板，包括：包括：阵列基板、对置基板、以及设置在所述阵列基板与所述对置基板之间的液晶层，其中，所述阵列基板包括第一衬底基板以及形成在所述第一衬底基板上的多个像素单元；所述对置基板包括第二衬底基板，所述触控液晶显示面板还包括：形成在在所述第一衬底基板和所述第二衬底基板其中至少之一上的多个触控 电极；形成在所述第一衬底基板和所述第二衬底基板其中至少之一上的导电层，其中，所述导电层构造为在施加电压的状态下产生热量，所述触控液晶显示面板具有一有效显示区域，所述多个触控电极以及所述导电层位于所述有效显示区域内，所述导电层与任一个所述触控电极电性绝缘，且在垂直于所述第二衬底基板的方向上所述导电层与任一个触控电极不重叠。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，并非对本发明的限制。
图1示出本发明实施例提供的触控液晶显示面板的部分截面结构示意图；
图2示出本发明实施例提供的触控液晶显示面板的俯视结构示意图；
图3示出本发明实施例提供的触控液晶显示面板的有效显示区域内的多个间隙区域的分布示意图；
图4示出本发明实施例提供的触控液晶显示面板中的一种导电层的图案；
图5示出本发明实施例提供的触控液晶显示面板中的另一种导电层的图案；
图6示出本发明实施例提供的触控液晶显示面板中的又一种导电层的图案；
图7示出本发明另一实施例提供的触控液晶显示面板的对置基板的截面结构示意图；
图8示出本发明又一实施例提供的触控液晶显示面板的对置基板的截面结构示意图；
图9示出本发明又一实施例提供的触控液晶显示面板的对置基板的截面结构示意图。
具体实施方式
下面将结合附图，对本发明实施例中的技术方案进行清楚、完整地描述 参考在附图中示出并在以下描述中详述的非限制性示例实施例，更加全面地说明本发明的示例实施例和它们的多种特征及有利细节。应注意的是，图中示出的特征不是必须按照比例绘制。省略已知材料、组件和工艺技术的描述，从而不使本发明的示例实施例模糊。示例仅旨在有利于理解本发明示例实施例的实施，以及进一步使本领域技术人员能够实施示例实施例。因而，示例不应被理解为对本发明示例实施例的范围的限制。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”、“横向”、“纵向”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
本发明一实施例提供一种触控液晶显示面板1，参见图1，包括阵列基10、对置基板20、以及设置在所述阵列基板10与所述对置基板20之间的液晶层30。
阵列基板10包括第一衬底基板101以及形成在所述第一衬底基板101上的多个像素单元102。尽管在图1中未示出，阵列基板还包括多条栅线和多条数据线。这些栅线和数据线彼此交叉由此限定了排列为矩阵的像素单元102，每个像素单元102包括作为开关元件的薄膜晶体管(未示出)和用于控制液晶的排列的像素电极。像素电极用于施加电场对液晶分子的旋转的程度进行控制从而进行显示操作。例如，每个像素单元的薄膜晶体管的栅极与相应的栅线电连接或一体形成，源极与相应的数据线电连接或一体形成，漏极与相应的像素电极电连接或一体形成。在图1中示例性地以多个像素电极102代表多个像素单元102。
对置基板20包括第二衬底基板201以及形成在第二衬底基板201的上表面上的周期性排布的多个触控电极202。如图1所示，对置基板20还包括形 成在第二衬底基板201上的黑矩阵204和彩色滤光层205。在另一实施例中，黑矩阵204和彩色滤光层205例如可以形成在阵列基板10中。尽管在图1中未示出，对置基板20例如还可以包括公共电极层，用于与阵列基板10上的多个像素电极102一起控制液晶分子的旋转。
触控液晶显示面板1还包括：形成在第二衬底基板201的下表面上的导电层203。导电层203构造为在施加电压的状态下产生热量。导电层203与任一个触控电极202电性绝缘。
触控液晶显示面板1具有一有效显示区域D以及围绕有效显示区域D的周边区域P。多个触控电极202以及所述导电层203均位于有效显示区域D内。
在本发明上述实施例中，用作加热层的导电层203嵌入到触控液晶显示面板1的结构中，从而一方面提高了触控液晶显示面板1的在低温下的显示效果和触控效果，另一方面不增加触控液晶显示面板1的重量和厚度而实现触控液晶显示面板的轻薄化。
图2示出本发明实施例提供的触控液晶显示面板的俯视结构示意图。
参见图1和2，形成在对置基板20的第二衬底基板201的上表面上的多个触控电极202例如包括多个矩形触控驱动电极T11-T53以及多个条形触控感应电极R1-R3。触控驱动电极T11-T53排列为呈5行3列的矩阵，3个触控感应电极R1-R3分别布置在每一列触控驱动电极的右侧。可以理解的是，这里的触控驱动电极以及触控感应电极的数目和形状均是示例性的。触控驱动电极T11-T53以及触控感应电极R1-R3在第二衬底基板201上周期性排布。在本实施例中，触控驱动电极T11-T53以及触控感应电极R1-R3设置在同一层级且由相同的透明导电材料(例如，氧化铟锡)形成。在另一实施例中，触控驱动电极T11-T53可以与触控感应电极R1-R3位于触控液晶显示面板1内的不同层级。此外，触控驱动电极T11-T53的形成材料可以与触控感应电极R1-R3的形成材料不同。
在本发明实施例中，在垂直于触控液晶显示面板1的方向上，即，在垂直于第二衬底基板201的方向上，导电层203与每个触控电极202均不重叠。也就是，导电层203在第二衬底基板201的上表面K上的垂直投影与每个触控电极202在第二衬底基板201的上表面K上的垂直投影均不重叠。这里， 两个垂直投影不重叠包括这两个投影的边缘部分地重合的情况。
图3示出本发明实施例提供的本发明实施例提供的多个间隙区域的分布示意图；
参见图1至3，触控液晶显示面板1的有效显示区域D包括未被多个触控电极203占据的多个第一间隙区域D1、多个第二间隙区域D2以及多个第三间隙区域D3。这里，需要说明的是，在本发明实施例中，有效显示区域D、周边区域P、第一至第三间隙区域D1-D3均是指贯穿触控液晶显示面板1的整个厚度范围的区域。例如，参见图2和图3，在垂直于触控液晶显示面板1的方向上，有效显示区域D与周边区域P互不重叠；第一至第三间隙区域D1-D3互不重叠。例如，参见图3，全部的第一至第三间隙区域D1-D3的组合(即，不同灰度的灰色区域的组合)与多个触控电极203占据的区域的组合(白色区域)互补。也就是，全部的第一至第三间隙区域D1-D3与多个触控电极203占据的区域例如一起构成有效显示区域D。这里，有效显示区域D、周边区域P、第一至第三间隙区域D1-D3也对应适用于触控液晶显示面板1的阵列基板10和对置基板20的区域划分。也就是，阵列基板10和对置基板20也可对应的划分为有效显示区域D与周边区域P，其中有效显示区域D包括未被多个触控电极203占据的多个互不重叠的第一至第三间隙区域D1-D3。这里，阵列基板10和对置基板20的有效显示区域D、周边区域P以及第一至第三间隙区域D1-D3也是指分别贯穿阵列基板10和对置基板20的整个厚度范围的区域。
在图3中，第一至第三间隙区域D1-D3分别由较小的灰度区域、中间的灰度区域以及较大的灰度区域示出。
例如，第一间隙区域D1是在图3中以较小的灰度示出的纵向条形间隙区域。第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影邻接一列触控驱动电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘例如，左侧的第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影的右边缘与左侧的一列触控驱动电极T11-T51的每个触控驱动电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘重叠，左侧的第一间隙区域D1的上边缘、下边缘和左边缘与有效显示区域D的对应边缘重叠。中间的第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影的右边缘 与中间的一列触控驱动电极T12-T52的每个触控驱动电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘重叠，中间的第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影的左边缘与左侧的触控感应电极R1在第二衬底基板201的上表面K上的垂直投影的右侧边缘重叠，中间的第一间隙区域D1的上边缘和下边缘与有效显示区域D的对应边缘重叠。右侧的第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影的右边缘与右侧的一列触控驱动电极T13-T53的每个触控驱动电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘重叠，右侧的第一间隙区域D1在第二衬底基板201的上表面K上的垂直投影的左边缘与中间的触控感应电极R2在第二衬底基板201的上表面K上的垂直投影的右侧边缘重叠，右侧的第一间隙区域D1的上边缘和下边缘与有效显示区域D的对应边缘重叠。
例如，第二间隙区域D2在图3中以中间的灰度示出的纵向条形间隙区域。第二间隙区域D2在第二衬底基板201的上表面K上的垂直投影邻接每一列触控驱动电极在第二衬底基板201的上表面K上的垂直投影的右侧边缘以及每个条形触控感应电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘。例如，每个第二间隙区域D2在第二衬底基板201的上表面K上的垂直投影的左侧边缘与相邻的一列触控驱动电极的每个触控驱动电极在第二衬底基板201的上表面K上的垂直投影的右侧边缘重叠，每个第二间隙区域D2在第二衬底基板201的上表面K上的垂直投影的右侧边缘与相邻触控感应电极在第二衬底基板201的上表面K上的垂直投影的左侧边缘重叠，每个第二间隙区域D2的上边缘和下边缘与有效显示区域D的上边缘和下边缘对应重叠。
例如，第三间隙区域D3是有效显示区域D中除了第一间隙区域D1和第二间隙区域D2之外的间隙区域，在图3中以较大的灰度示出。参见图3，第三间隙区域D3在第二衬底基板201的上表面K上的垂直投影例如与触控电极202在第二衬底基板201的上表面K上的垂直投影的上边缘、下边缘或侧边缘重合。
也就是说，间隙区域D1至D3中的每一个在第二衬底基板201的上表面K上的垂直投影的边缘与多个触控电极202的至少一个在第二衬底基板201的上表面K上的垂直投影的边缘至少部分重叠。
可以理解的是，上述对于第一至第三间隙区域D1-D3的划分是示例性的。本发明实施例对于间隙区域的划分并不限于此。
在垂直于第二衬底基板的方向上，多个触控电极202不与任一个间隙区域重叠。
在本发明实施例中，导电层203例如位于至少一个所述间隙区域内。
图1所示的触控液晶显示面板1的截面结构例如是沿图2所示的I-I'线截取的截面结构。需要注意的是，为了清楚示例的目的，图1和图2的对应结构的尺寸比例并不统一。参见图1至图3，在本实施例中，导电层203例如形成在至少形成在第三间隙区域D3中。导电层203例如由透明导电材料形成。例如，导电层203的形成材料与触控电极202的形成材料相同。在图1所示实施例中，导电层203例如填满每一列触控驱动电极中相邻两个触控驱动电极之间的第三间隙区域D3。
在又一实施例中，导电层203例如填满触控液晶显示面板1的有效显示区域D中的全部的第一至第三间隙区域D1-D3，参见图4所示。也就是，导电层203在第二衬底基板201的上表面K上的垂直投影与多个触控电极202在第二衬底基板201的上表面K上的垂直投影覆盖所述有效显示区域D内的所述第二衬底基板201的全部上表面。继续参见图4，导电层203电性连接到供压单元208。例如，导电层203的上端连接到供压单元208的第一端子M1；导电条S1至S3的下端连接到供压单元208的第二端子M2。例如，在工作状态下，供压单元208的第一端子M1的电位不同于供压单元208的第二端子M2的电位。这样，导电层203被施加了电压从而产生热量用于对触控液晶显示面板1加热。
这样，在本发明实施例提供的触控液晶显示面板1中，在垂直于触控液晶显示面板1的方向上，导电层203与任一个触控电极202均不重叠。因此，可以减小或消除触控液晶显示面板由于触控电极的图案引起明暗条纹的现象，进而能够在改善触控液晶显示面板的低温显示效果和触控效果的同时提高显示质量。
再次参见图2，触控液晶显示面板1还包括形成在第二衬底基板201上且位于第一至第三间隙区域D1至D3中至少一个内的至少一条布线。在实施例中，例如所述至少一条布线包括形成在第一间隙区域D1之中的驱动信号 线L1以及形成在第二间隙区域D2之中的公共电极线L2。所述至少一条布线以及多个触控电极位于同一层级且由相同的材料形成。例如，驱动信号线L1和公共电极线L2与所述多个触控电极202同层设置且由相同的透明导电材料形成。驱动信号线L1和公共电极线L2例如分别通过位于周边区域的多条金属迹线L3连接到控制单元207。位于第一间隙区域D1内的多条驱动信号线L1分别与各个触控驱动电极T11-T53连接，用于传输来自控制单元207的驱动信号。公共电极线L2例如接受来自控制单元207的公共信号。例如，所有的公共电极线L2都被接地。
参见图2和图3，5条驱动信号线L1形成在每个第一间隙区域D1中，一条公共电极线L2形成在每个第二间隙区域D2中，而没有任何布线形成在第三间隙区域D3中。例如，在横向方向上，每条布线的宽度为4至15微米，每个触控电极的宽度为1至2毫米。因此，第一间隙区域D1的最小宽度(例如，图3中的第一间隙区域D1在横向上的宽度)形成为大于第二间隙区域D2的最小宽度(例如，图3中的第二间隙区域D2在横向上的宽度)，第二间隙区域D2的最小宽度形成为大于第三间隙区域D3的最小宽度(例如，图3中位于同一列触控驱动电极的相邻两个触控驱动电极之间的第三间隙区域D3在纵向上的宽度)。需要注意的是，图3中仅示例性的示出了各个间隔区域的分布，而各个间隔区域的示出尺寸和比例并不必然反映实际情况。
对应于图2所示的公共电极202以及多条布线L1和L2的图案，导电层203例如可以具有如图5至图6所示的两种图案。
在图5所示的示例中，导电层203在第二衬底基板201的上表面K上的垂直投影与多条布线L1-L2的任一个在第二衬底基板201的上表面K上的垂直投影不重叠，且导电层203在第二衬底基板201的上表面K上的垂直投影与多个触控电极T11-T53以及多条布线L1和L2在所述第二衬底基板201的上表面K上的垂直投影覆盖所述有效显示区域D内的所述第二衬底基板201的全部上表面。继续参见图5，导电层203电性连接到供压单元208。例如，导电层203的上端连接到供压单元208的第一端子M1；导电条S1至S3的下端连接到供压单元208的第二端子M2。例如，在工作状态下，供压单元208的第一端子M1的电位不同于供压单元208的第二端子M2的电位。这样，导电层203被施加了电压从而产生热量用于对触控液晶显示面板1加热。 在本示例中，导电层203充分地填补了触控液晶显示面板1的未布置有与多个透明触控电极202和多条布线L1和L2的区域，从而触控液晶显示面板1的明暗条纹能够被充分地避免。
在第一间隙区域D1中，未被驱动信号线L1占据的部分的比例较高，因此也成为触控液晶显示面板1的亮条纹的主要分布区域。在图6所示的示例中，导电层203仅填满三个彼此分离的第一间隙区域D1，从而形成为仅包括三个彼此分离的导电条S1至S3。这样，在垂直于第二衬底基板的方向上，每条驱动信号线L1都与对应的导电条重叠。导电条S1至S3均电性连接到供压单元208。例如，导电条S1至S3的上端连接到供压单元208的第一端子M1；导电条S1至S3的下端连接到供压单元208的第二端子M2。例如，在工作状态下，供压单元208的第一端子M1的电位不同于供压单元208的第二端子M2的电位。这样，导电层203被施加了电压从而产生热量用于对触控液晶显示面板1的液晶层30加热。在此示例中，由于导电层203仅形成在最小宽度较大的第一间隙区域D1之中，从而一方面降低了导电层203的工艺难度以及对位精度要求，另一方面也能有效避免触控液晶显示面板1的明暗条纹的产生。
上述供压单元208例如为柔性印刷电路板。
在另一未示出的示例中，导电层203仅填满三个彼此分离的第一间隙区域D1以及三个彼此分离的第二间隙区域D2。
尽管在本发明的上述实施例中，多个触控驱动电极T11-T53与多个触控感应电极R1-R3形成在同一层级中，但是本发明的实施例并不限于此。在另一实施中，多个触控驱动电极T11-T53可以与多个触控感应电极R1-R3形成在触控液晶显示面板1的不同层级中。
此外，尽管在本发明的上述实施例中，多个触控电极202与导电层203均形成在第二衬底基板201上，但是本发明的实施例并不限于此。在另一实施中多个触控电极202形成在第二衬底基板201上，而导电层203形成在第一衬底基板101上。
此外，尽管在本发明的上述实施例中，导电层203形成在一个层级中。然而本发明的实施例并不限于此。在另一实施例中，导电层203的一部分可以形成在第一衬底基板101上，而导电层203的另一部分可以形成在第二衬 底基板201上。
此外，触控液晶显示面板1例如还包括设置在对置基板20上的温度传感器206，用于探测触控液晶显示面板1的温度。例如，温度传感器206能够对触控液晶显示面板1的温度进行实时探测。温度传感器206例如设置在周边区域P中。
例如，本发明的上述实施例中提供的触控液晶显示面板1例如是通过如下方法形成：首先，在第二衬底基板(例如，玻璃基板)201的下表面形成导电层203；然后，在导电层203上依次形成黑矩阵204、彩色滤光层(例如，R/G/B树脂层)和柱状间隔体(未示出)；接着，在将形成有上述结构的第二衬底基板201与阵列基板10对盒后，在第二衬底基板201外表面上形成多个触控电极202。
在上述实施例中，导电层203形成在第二衬底基板201的下表面与黑矩阵204和彩色滤光层205之间，但是本发明实施例并不限于此。
参见图7，在本发明另一实施例提供的触控液晶显示面板的对置基板中，导电层203形成在第二衬底基板201下表面上的彩色滤光层205与柱状间隔体209之间。该对置基板例如是通过如下方法形成：首先，在第二衬底基板(例如，玻璃基板)201的下表面依次形成黑矩阵204和彩色滤光层(例如，R/G/B树脂层)；然后，在彩色滤光层(例如，R/G/B树脂层)的下表面上形成导电层203，以及在导电层203上形成柱状间隔体；接着，在将形成有上述结构的第二衬底基板201与阵列基板10对盒后，在第二衬底基板201的上表面上形成多个触控电极202。
参见图8，在本发明又一实施例提供的触控液晶显示面板的对置基板中，导电层203和多个触控电极202均形成在第二衬底基板201上表面上，且绝缘层210形成在导电层203与多个触控电极202之间。该对置基板例如是通过如下方法形成：首先，在第二衬底基板(例如，玻璃基板)201的下表面依次形成黑矩阵204、彩色滤光层(例如，R/G/B树脂层)和柱状间隔体209；然后，在将形成有上述结构的第二衬底基板201与阵列基板10对盒后，在第二衬底基板201的上表面上依次形成导电层203、绝缘层210以及多个触控电极202。
参见图9，在本发明又一实施例提供的触控液晶显示面板的对置基板中， 导电层203形成在衬底基板的上表面与黑矩阵204和彩色滤光层205之间。该对置基板例如是通过如下方法形成：首先，在第二衬底基板(例如，玻璃基板)201的下表面形成柱状间隔体209；然后，在将形成有柱状间隔体209的第二衬底基板201与阵列基板10对盒后，在第二衬底基板201的上表面上依次形成导电层203、黑矩阵204、彩色滤光层(例如，R/G/B树脂层)以及多个触控电极202。
可以理解的是，在另一实施例中，柱状间隔体209也可形成在衬底基板10上。
此外，本发明实施例提供的对置基板不仅可以用于液晶触控显示面板还可以用于有机发光显示面板,电子纸等触控显示器。
可以理解的是，上述实施例中的对置基板20是触控基板的一种。尽管在本发明的上述实施例中，导电层203和多个触控电极202形成在所述第一衬底基板101和所述第二衬底基板201的至少之一上，但是本发明的实施例并不限于此。在本发明另一的实施例提供的触控基板中，导电层203、多个触控电极202、多条布线等例如可以形成在第三衬底基板上，该第三衬底基板不同于液晶显示面板的第一衬底基板101和第二衬底基板201。第三衬底基板上的导电层203、多个触控电极202、多条布线等的布局方式与第二衬底基板201上的导电层203、多个触控电极202、多条布线等的布局方式实质相同。
虽然上文中已经用一般性说明及具体实施方式，对本发明作了详尽的描述，但在本发明实施例基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此，在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。
本申请要求于2016年4月29日递交的中国专利申请第201610282657.0号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。

Claims (16)

  1. 一种触控基板，具有有效显示区域，所述触控基板包括：
    衬底基板；
    形成在所述衬底基板上且在所述有效显示区域内的多个触控电极；以及
    形成在所述衬底基板上且在所述有效显示区域内的导电层，其中，所述导电层构造为在施加电压的状态下产生热量，
    其中，所述导电层与任一个所述触控电极电性绝缘，且在垂直于所述衬底基板的方向上，所述导电层与任一个所述触控电极不重叠。
  2. 根据权利要求1所述的触控基板，其中，所述导电层在所述衬底基板的上表面上的垂直投影与所述多个触控电极在所述衬底基板的上表面上的垂直投影覆盖所述有效显示区域内的所述衬底基板的全部上表面。
  3. 根据权利要求1所述的触控基板，其中，所述触控基板的所述有效显示区域包括多个互不重叠的间隙区域，在垂直于所述衬底基板的方向上所述多个触控电极不与任一个间隙区域重叠，每个所述间隙区域在所述衬底基板的上表面上的垂直投影的边缘与所述多个触控电极的至少一个在所述衬底基板的上表面上的垂直投影的边缘至少部分重叠，所述触控基板还包括：形成在所述衬底基板上且位于至少一个间隙区域内的至少一条布线，所述至少一条布线以及多个触控电极位于同一层级且由相同的材料形成。
  4. 根据权利要求3所述的触控基板，其中，所述导电层在所述衬底基板的上表面上的垂直投影覆盖其中形成有所述至少一条布线的所述至少一个间隙区域内的所述衬底基板的全部上表面。
  5. 根据权利要求3所述的触控基板，其中，所述导电层在所述衬底基板的上表面上的垂直投影与所述至少一条布线的任一个在所述衬底基板的上表面上的垂直投影不重叠，且所述导电层在所述衬底基板的上表面上的垂直投影与所述多个触控电极以及所述至少一条布线在所述衬底基板的上表面上的垂直投影覆盖所述有效显示区域内的所述衬底基板的全部上表面。
  6. 根据权利要求1至5中任一项所述的触控基板，其中，所述导电层与所述多个触控电极由相同的透明导电材料形成。
  7. 根据权利要求1至6中任一项所述的触控基板，其中，所述导电层与 所述多个触控电极设置在所述衬底基板的相反两侧；或者，所述导电层与所述多个触控电极设置在所述衬底基板的同一侧的不同层级，且所述导电层与所述多个触控电极通过设置在其之间的绝缘层彼此绝缘。
  8. 根据权利要求1至7中任一项所述的触控基板，还包括：形成在所述衬底基板上的黑矩阵和彩色滤光层。
  9. 一种触控液晶显示面板，包括：阵列基板、对置基板、以及设置在所述阵列基板与所述对置基板之间的液晶层，其中，所述阵列基板包括第一衬底基板以及形成在所述第一衬底基板上的多个像素单元；所述对置基板包括第二衬底基板，所述触控液晶显示面板还包括：形成在在所述第一衬底基板和所述第二衬底基板其中至少之一上的多个触控电极，以及形成在所述第一衬底基板和所述第二衬底基板其中至少之一上的导电层，其中，所述导电层构造为在施加电压的状态下产生热量，所述触控液晶显示面板具有一有效显示区域，所述多个触控电极以及所述导电层位于所述有效显示区域内，所述导电层与任一个所述触控电极电性绝缘，且在垂直于所述第二衬底基板的方向上所述导电层与任一个触控电极不重叠。
  10. 根据权利要求9所述的触控液晶显示面板，其中，所述导电层在所述第二衬底基板的上表面上的垂直投影与所述多个触控电极在所述第二衬底基板的上表面上的垂直投影覆盖所述有效显示区域内的所述第二衬底基板的全部上表面。
  11. 根据权利要求9所述的触控液晶显示面板，其中，所述触控液晶显示面板的所述有效显示区域包括多个互不重叠的间隙区域，在垂直于所述第二衬底基板的方向上所述多个触控电极不与任一个间隙区域重叠，每个所述间隙区域在所述第二衬底基板的上表面上的垂直投影的边缘与所述多个触控电极的至少一个在所述第二衬底基板的上表面上的垂直投影的边缘至少部分重叠，所述触控液晶显示面板还包括：形成在所述第二衬底基板上且位于至少一个间隙区域内的至少一条布线，所述至少一条布线以及多个触控电极位于同一层级且由相同的材料形成。
  12. 根据权利要求11所述的触控液晶显示面板，其中，所述导电层在所述第二衬底基板的上表面上的垂直投影覆盖其中形成有所述至少一条布线的所述至少一个间隙区域内的所述第二衬底基板的全部上表面。
  13. 根据权利要求11所述的触控液晶显示面板，其中，所述导电层在所述第二衬底基板的上表面上的垂直投影与所述至少一条布线的任一个在所述第二衬底基板的上表面上的垂直投影不重叠，且所述导电层在所述第二衬底基板的上表面上的垂直投影与所述多个触控电极以及所述至少一条布线在所述第二衬底基板的上表面上的垂直投影覆盖所述有效显示区域内的所述第二衬底基板的全部上表面。
  14. 根据权利要求9至13中任一项所述的触控液晶显示面板，其中，所述导电层与所述多个触控电极由相同的透明导电材料形成。
  15. 根据权利要求9至14中任一项所述的触控液晶显示面板，其中，所述导电层与所述多个触控电极设置在所述第二衬底基板的相反两侧；或者，所述导电层与所述多个触控电极设置在所述第二衬底基板的同一侧的不同层级，且所述导电层与所述多个触控电极通过设置在其之间的绝缘层彼此绝缘。
  16. 根据权利要求9至15中任一项所述的触控液晶显示面板，还包括设置在所述第二衬底基板上的温度传感器。
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