WO2021097975A1 - 显示面板及其制备方法 - Google Patents
显示面板及其制备方法 Download PDFInfo
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- WO2021097975A1 WO2021097975A1 PCT/CN2019/125996 CN2019125996W WO2021097975A1 WO 2021097975 A1 WO2021097975 A1 WO 2021097975A1 CN 2019125996 W CN2019125996 W CN 2019125996W WO 2021097975 A1 WO2021097975 A1 WO 2021097975A1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Definitions
- the invention relates to the field of displays, in particular to a display panel and a preparation method thereof.
- touch technology has been widely used in various electronic products with display panels, such as mobile phones, computers, personal digital assistants (PAD), and flat-screen TVs.
- display panels such as mobile phones, computers, personal digital assistants (PAD), and flat-screen TVs.
- touch-sensitive display panels can be divided into resistive, capacitive, optical, acoustic and electromagnetic, etc., because capacitive touch-sensitive display panels have fast response speed, high sensitivity, good reliability and durability High advantages are recognized by the industry and widely used.
- the OLED display touch panel on the market basically adopts the external capacitive screen structure, and the external capacitive screen is mainly GFF (Glass-Film-Flim) structure or GF (Glass-Film) structure, that is, glass cover-film electrode- Thin film electrode or glass cover plate-thin film electrode structure.
- GFF Glass-Film-Flim
- GF Glass-Film
- oncell This technology realizes the integration of OLED panels and touch panels, which can effectively reduce the thickness of OLED touch screens and increase the bending of flexible panels. Performance and lower production costs are the future development direction of flexible OLED panels.
- the existing display panel includes: a first inorganic layer 2100, a second inorganic layer 2200, a driving electrode 310, a receiving electrode 320, and an organic layer 400.
- Existing touch panels face problems such as low light transmittance and poor display effect.
- the purpose of the present invention is to solve the technical problems of low transmittance of the display panel in the prior art.
- the present invention provides a display panel, including an array substrate; and a touch layer provided on a surface of one side of the array substrate; wherein, the touch layer includes: a touch electrode unit; an organic layer, It is arranged on the surface of the touch electrode unit away from the array substrate; and the micro-sawtooth layer is arranged on the surface of the organic layer away from the touch electrode unit.
- the tooth-shaped protrusion is a linear cylinder, and two or more tooth-shaped protrusions are parallel to each other; or, the tooth-shaped protrusion is tapered, and the two or more tooth-shaped protrusions are arranged in a matrix.
- the height of the tooth-shaped protrusion is 100 to 300 nanometers; and/or the width of the tooth-shaped protrusion is 100 to 300 nanometers; and/or, the tips of any two adjacent tooth-shaped protrusions The distance between them is 100 ⁇ 300 nanometers.
- the display panel further includes: a first inorganic layer provided on a surface on a side of the array substrate; and a second inorganic layer provided on a surface of the first inorganic layer on a side away from the array substrate;
- the touch electrode unit is arranged on the surface of one side of the first inorganic layer, and arranged in the second inorganic layer.
- the array substrate includes: a substrate; a substrate layer, which is provided on the surface of one side of the substrate; an array layer, which is provided on the surface of the substrate layer on a side away from the substrate; a pixel layer, which is provided on the array The surface of the layer away from the substrate layer; and the encapsulation layer is provided on the surface of the pixel layer away from the array layer.
- the present invention also provides a method for manufacturing a display panel, which includes the following steps: an array substrate is provided, an array substrate is provided; and a touch layer is prepared, and a touch control layer is prepared on the upper surface of the array substrate.
- the touch layer preparation step includes: a touch electrode unit preparation step, a touch electrode unit is prepared on an array substrate; and an organic layer preparation step is prepared on the upper surface of the touch electrode unit An organic layer; wherein, the upper surface of the organic layer is provided with a micro-sawtooth layer.
- the organic layer preparation step includes: a coating step, coating an organic photoresist material on an array panel; an exposing step, exposing the array panel coated with the organic photoresist material; The subsequent array panel undergoes development processing; a baking step, baking the developed array panel; and a brightening step, brightening the baked array panel, and forming an organic layer on one surface of the array panel.
- the exposure step it also includes a mask placement step, placing a mask with periodic zigzag nanopatterns on the surface of the organic photoresist material; after the developing step, it also includes mask shifting In the removing step, the mask is removed.
- an ion beam is used to bombard the organic layer.
- the technical effect of the present invention is that a micro-sawtooth layer is prepared on the upper surface of the organic layer of the existing display panel, which reduces the reflection of the external environment light on the surface of the panel and improves the transmittance.
- the smaller the angle of the apex angle of the dentate The higher the height of the dentate protrusions, the higher the transmittance of the panel.
- FIG. 1 is a schematic diagram of the structure of a display panel in the prior art
- FIG. 2 is a schematic diagram of the structure of a touch layer according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of the structure of the micro-sawtooth layer according to an embodiment of the present invention.
- FIG. 4 is a plan view of the touch electrode unit according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
- FIG. 6 is a flowchart of a manufacturing method of a display panel according to an embodiment of the present invention.
- FIG. 7 is a flowchart of the steps of preparing an organic layer according to an embodiment of the present invention.
- FIG. 8 is a flowchart of another organic layer preparation step according to an embodiment of the present invention.
- the component can be directly placed on the other component; there may also be an intermediate component on which the component is placed , And the intermediate component is placed on another component.
- a component is described as “installed to” or “connected to” another component, both can be understood as directly “installed” or “connected”, or a component is “installed to” or “connected to” through an intermediate component Another component.
- this embodiment provides a display panel including: an array substrate 1 and a touch layer 2.
- the array panel 1 sequentially includes a substrate 11, a substrate layer 12, an array layer 13, a pixel layer 14, and an encapsulation layer 15 and other components.
- the display panel has a wide range of applications and can be used in wearable devices, including smart bracelets, smart watches, VR (Virtual Reality) and other devices, mobile phones, e-books and e-newspapers, televisions, personal portables Computers, foldable and rollable OLEDs and other flexible OLED displays and lighting equipment, etc.
- wearable devices including smart bracelets, smart watches, VR (Virtual Reality) and other devices, mobile phones, e-books and e-newspapers, televisions, personal portables Computers, foldable and rollable OLEDs and other flexible OLED displays and lighting equipment, etc.
- the touch layer 2 includes a first inorganic layer 21, a second inorganic layer 222, a touch electrode unit, an organic layer 24 and a micro-sawtooth layer 25.
- the second inorganic layer 22 is attached to the upper surface of the first inorganic layer 21, the touch electrode unit is disposed on the upper surface of the first inorganic layer 21, and the second inorganic layer 22 covers the touch electrode unit, as shown in FIG. 3 4.
- the touch electrode unit includes driving electrodes 231 and receiving electrodes 232.
- Each driving electrode 231 can be connected to a driving signal line, each receiving electrode 232 is connected to a receiving signal line, and the driving electrode 231 is connected to a driving signal line.
- the receiving electrodes 232 are cross-distributed and insulated from each other.
- the driving electrodes 231 are preferably diamond-shaped arrays made of high-transmittance metal. In other embodiments, they may also have a metal mesh structure.
- the material of the driving electrodes 231 can be It is a metal oxide such as indium tin oxide.
- the receiving electrode 232 is preferably a diamond-shaped array made of high-transmittance metal. In other embodiments, it may also be a metal mesh structure, and the material of the driving electrode 231 may be a metal oxide such as indium tin oxide.
- the driving electrode 231 forms a mutual capacitance coupling with the receiving electrode 232 and the second inorganic layer in the middle for detecting touch signals. When a touch action occurs in the area where the driving electrode 231 and the receiving electrode 232 are located, the mutual capacitance at the touch point When the value changes, its sensing signal also changes. By testing the sensing signal, the touch position can be located.
- the materials of the first inorganic layer 21 and the second inorganic layer 22 are both inorganic materials, which play a role of insulation.
- the driving electrode 231 and the receiving electrode 232 are a combination of a metal material and a transparent conductive material.
- the metal layer is a metal mesh layer or a diamond-shaped array.
- the metal layer is made of a metal material or an alloy material.
- the material is indium tin oxide, aluminum zinc oxide or indium zinc oxide.
- the driving electrode 231 and the receiving electrode 232 prepared by a combination of a metal material and a transparent conductive material can effectively reduce the load.
- the micro-sawtooth layer 25 includes more than two nano-scale tooth-shaped protrusions 251 protruding from and uniformly distributed on the upper surface of the organic layer 24.
- the tooth-shaped protrusion 251 When the tooth-shaped protrusion 251 is a linear body, the plurality of tooth-shaped protrusions are parallel to each other; when the tooth-shaped protrusion 251 is tapered, the plurality of tapered tooth-shaped protrusions are arranged in a matrix.
- the longitudinal section of the tooth-shaped protrusion 251 is triangular, the height H of the tooth-shaped protrusion 251 ranges from 100 to 300 nm, and the distance D1 between the tips of any two adjacent tooth-shaped protrusions 51 is 100 to 300 nm.
- the width D2 of the shaped protrusion 251 is 100 to 300 nm.
- the micro-sawtooth layer 25 is used to reduce the reflection of the external ambient light on the surface of the display panel and increase the transmittance of the display panel.
- the technical effect of the display panel of this embodiment is that a micro-sawtooth layer is prepared on the upper surface of the existing display panel to reduce the reflection of the external ambient light on the surface of the panel, and increase the transmittance.
- the present invention also provides a method for preparing a display panel, including an array panel preparing step and a touch layer preparing step, and the touch layer preparing step includes steps S1 to S4.
- the first inorganic layer preparation step is to prepare a first inorganic layer on the upper surface of the encapsulation layer of an array panel.
- the second inorganic layer preparation step is to prepare a second inorganic layer on the upper surface of the first inorganic layer.
- the touch electrode unit preparation step is to prepare a touch electrode unit on the first inorganic layer, and the touch electrode unit includes a driving electrode and a receiving electrode.
- the organic layer preparation step is to prepare an organic layer on the upper surface of the second inorganic layer.
- the organic layer preparation step may include steps S401 to S407.
- S401 coating step coating an organic photoresist material on a display panel;
- S402 mask placement step placing a mask with periodic sawtooth nanopatterns on the surface of the organic photoresist material;
- S403 exposure step exposing and coating After distributing the display panel of the organic photoresist material;
- S404 developing step performing development processing on the exposed display panel;
- S405 mask removing step removing the mask;
- S406 baking step baking and developing After the display panel;
- S407 brightening step the display panel after brightening and baking is exposed, developed, baked, and brightened to form an organic layer.
- the organic layer preparation step may include steps S411 to S415.
- S411 coating step coating an organic photoresist material on a panel
- S412 exposure step exposing the panel coated with the organic photoresist material
- S413 developing step developing the exposed panel
- S414 baking Step bake the developed panel
- S415 glow step bombard the organic layer with an ion beam of oxygen (O2) and argon (Ar) sources to increase the glow time, increase the power of the glow process, or increase the gas pressure
- the panel after luminescence and baking causes the upper surface of the organic layer to produce nano-topography with different roughness, that is, more than two tooth-shaped protrusions, which form one after exposure, development, baking, and luminescence.
- Organic layer is, more than two tooth-shaped protrusions, which form one after exposure, development, baking, and luminescence.
- the tooth-shaped protrusion is a linear main body
- the plurality of tooth-shaped protrusions are parallel to each other; when the tooth-shaped protrusion is tapered, the plurality of tapered tooth-shaped protrusions are arranged in a matrix.
- the longitudinal section of the tooth-shaped protrusion is triangular.
- the micro-sawtooth layer can also be realized by inkjet printing, nanoimprinting and the like.
- the technical effect of the preparation method of the display panel described in this embodiment is that the micro-sawtooth layer can be prepared by photolithography, laser processing, inkjet printing, nanoimprinting, etc., without changing the original display panel preparation process and reducing Small production cost.
- a micro-sawtooth layer is prepared on the upper surface of the organic layer of the existing display panel to reduce the reflection of the external ambient light on the surface of the panel and increase the transmittance. The smaller the angle of the top angle of the dentate protrusion, the height of the dentate protrusion The higher, the higher the transmittance of the panel.
- This embodiment also provides a method for manufacturing a touch panel, including the steps of preparing the display panel as described above, and also including the steps of preparing the display panel, including: a substrate setting step, a substrate layer preparation step, an array layer preparation step, and a pixel layer preparation step And encapsulation layer preparation steps.
- the technical effect of the manufacturing method of the touch panel described in this embodiment is that an organic layer is prepared on the upper surface of the existing display panel, which reduces the reflection of the external ambient light on the surface of the panel, and improves the transmittance.
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Abstract
一种显示面板及其制备方法，显示面板包括阵列基板（1）以及触控层（2），其中，触控层（2）包括触控电极单元、有机层（24）及微锯齿层（25）。显示面板的制备方法包括阵列基板（1）提供步骤以及触控层（2）制备步骤，其中，触控层（2）制备步骤包括触控电极单元制备步骤（S3）、有机层制备步骤（S4）。
Description
本申请要求于2019年11月18日提交中国专利局、申请号为201911130099.6、发明名称为“显示面板及其制备方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
本发明涉及显示器领域，特别涉及一种显示面板及其制备方法。
目前，触控技术已经广泛应用到各种带有显示面板的电子产品中，如移动电话、电脑、个人数字助理（PAD）以及平板电视等。
触控式显示面板依照感应原理的不同，可分为电阻式、电容式、光学式、声波式以及电磁式等，由于电容触控显示面板具有反应速度快、灵敏度高、可靠度佳以及耐用度高等优点而被业内认可，并广泛使用。
目前市场上OLED显示器触控面板基本采用外挂式电容屏结构，外挂式结构的电容屏主要为GFF（Glass-Film-Flim）结构或GF（Glass-Film）结构，即玻璃盖板-薄膜电极-薄膜电极或玻璃盖板-薄膜电极结构。而最新技术中，已出现在OLED面板封装层上直接制作显示面板的新技术（oncell），此技术实现OLED面板与触控面板集成化，能有效降低OLED触控屏厚度，提高柔性面板弯折性能，并且降低制作成本，是柔性OLED面板未来发展方向。
如图1所示，现有的显示面板包括：第一无机层2100、第二无机层2200、驱动电极310、接收电极320及有机层400。现有的触控面板面临着光透过率不高，显示效果不佳等问题。
本发明的目的在于，解决现有技术中显示面板透过率较低等技术问题。
为实现上述目的，本发明提供一种显示面板，包括阵列基板；以及触控层，设于所述阵列基板一侧的表面；其中，所述触控层包括：触控电极单元；有机层，设于所述触控电极单元远离所述阵列基板一侧的表面；以及微锯齿层，设于所述有机层远离所述触控电极单元一侧的表面。
进一步地，所述齿状凸起为直线形柱体，两个以上齿状凸起彼此平行；或者，所述齿状凸起为锥形，两个以上齿状凸起排成一矩阵。
进一步地，所述齿状凸起的高度为100~300纳米；和/或，所述齿状凸起的宽度为100~300纳米；和/或，任意两个相邻的齿状凸起顶端之间的距离为100~300纳米。
进一步地，所述显示面板还包括：第一无机层，设于所述阵列基板一侧的表面；以及第二无机层，设于所述第一无机层远离所述阵列基板一侧的表面；其中，所述触控电极单元设于所述第一无机层一侧的表面，且设于所述第二无机层内。
进一步地，所述阵列基板包括：基板；衬底层，设于所述基板一侧的表面；阵列层，设于所述衬底层远离所述基板一侧的表面；像素层，设于所述阵列层远离所述衬底层一侧的表面；以及封装层，设于所述像素层远离所述阵列层一侧的表面。
为实现上述目的，本发明还提供一种显示面板的制备方法，包括如下步骤：阵列基板提供步骤，提供一阵列基板；以及触控层制备步骤，在所述阵列基板的上表面制备出触控层；其中，所述触控层制备步骤包括：触控电极单元制备步骤，在一阵列基板上制备出触控电极单元；以及有机层制备步骤，在所述触控电极单元的上表面制备出一有机层；其中，所述有机层的上表面设有一微锯齿层。
进一步地，所述有机层制备步骤包括：涂布步骤，在一阵列面板上涂布一有机光阻材料；曝光步骤，曝光涂布完所述有机光阻材料的阵列面板；显影步骤，对曝光后的阵列面板进行显影处理；烘烤步骤，烘烤显影后的阵列面板；以及辉化步骤，辉化烘烤后的阵列面板，在所述阵列面板的一表面形成有机层。
进一步地，在所述曝光步骤之前，还包括掩膜版放置步骤，在所述有机光阻材料表面放置具有周期锯齿纳米图形的掩膜版；在所述显影步骤之后，还包括掩膜版移除步骤，移除所述掩膜版。
进一步地，在所述辉化步骤中，采用离子束轰击所述有机层。
本发明的技术效果在于，在现有的显示面板有机层的上表面制备一微锯齿层，降低面板表面对外界环境光的反射，提高透过率，齿状凸起的顶角的角度越小，齿状凸起的高度越高，面板的透过率越高。
图1为现有技术中显示面板的结构示意图；
图2为本发明实施例所述触控层的结构示意图；
图3为本发明实施例所述微锯齿层的结构示意图；
图4为本发明实施例所述触控电极单元的平面图；
图5为本发明实施例所述显示面板的结构示意图；
图6为本发明实施例所述显示面板的制备方法的流程图；
图7为本发明实施例所述有机层制备步骤的流程图；
图8为本发明实施例所述另一种有机层制备步骤的流程图。
部分组件的标识如下：
100、第一无机层；200、第二无机层；310、驱动电极；320、接收电极；400、有机层；
1、阵列基板；2、触控层；
11、基板；12、衬底层；13、阵列层；14、像素层；15、封装层；
21、第一无机层；22、第二无机层；231、驱动电极；232、接收电极；24、有机层；25、微锯齿层；251、齿状凸起。
以下结合说明书附图详细说明本发明的优选实施例，以向本领域中的技术人员完整介绍本发明的技术内容，以举例证明本发明可以实施，使得本发明公开的技术内容更加清楚，使得本领域的技术人员更容易理解如何实施本发明。然而本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例，下文实施例的说明并非用来限制本发明的范围。
本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是附图中的方向，本文所使用的方向用语是用来解释和说明本发明，而不是用来限定本发明的保护范围。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。此外，为了便于理解和描述，附图所示的每一组件的尺寸和厚度是任意示出的，本发明并没有限定每个组件的尺寸和厚度。
当某些组件，被描述为“在”另一组件“上”时，所述组件可以直接置于所述另一组件上；也可以存在一中间组件，所述组件置于所述中间组件上，且所述中间组件置于另一组件上。当一个组件被描述为“安装至”或“连接至”另一组件时，二者可以理解为直接“安装”或“连接”，或者一个组件通过一中间组件“安装至”或“连接至”另一个组件。
如图2所示，本实施例提供一种显示面板，包括：阵列基板1以及触控层2。
阵列面板1依次包括基板11、衬底层12、阵列层13、像素层14及封装层15等部件。
所述显示面板的应用范围广泛，可用于可穿戴设备，包括智能手环、智能手表、VR（Virtual Reality，即虚拟现实）等设备、移动电话机、电子书和电子报纸、电视机、个人便携电脑、可折叠以及可卷曲OLED等柔性OLED显示及照明设备等。
如图3所示，触控层2包括第一无机层21、第二无机层222、触控电极单元、有机层24及微锯齿层25。
第二无机层22贴附于第一无机层21的上表面，所述触控电极单元设于第一无机层21的上表面，第二无机层22覆盖所述触控电极单元，如图3、图4所示，所述触控电极单元包括驱动电极231及接收电极232，每一驱动电极231可与一驱动信号线相连，每一接收电极232与一接收信号线相连，驱动电极231与接收电极232交叉分布且相互绝缘，驱动电极231在本实施例中优选为高透过率金属制成的菱形阵列，在其他实施例中，也可为金属网格结构，驱动电极231的材质可为氧化铟锡等金属氧化物。接收电极232在本实施例中优选为高透过率金属制成的菱形阵列，在其他实施例中，也可为金属网格结构，驱动电极231的材质可为氧化铟锡等金属氧化物。驱动电极231与接收电极232及中间的第二无机层形成互电容耦合，用于检测触控信号，当有触控动作发生于驱动电极231与接收电极232所在区域时，触控处的互电容值发生变化，其感应信号也随之变化，通过测试所述感应信号，即可定位触控位置。
第一无机层21与第二无机层22的材质均为无机材料，起到绝缘作用。驱动电极231与接收电极232为金属材料与透明导电材料相结合的结构，所述金属层为金属网层或菱形阵列，所述金属层的材质为金属材料或合金材料，所述透明导电层的材质为氧化铟锡、氧化铝锌或氧化铟锌。采用金属材料与透明导电材料相结合的方式制备而成的驱动电极231与接收电极232，有效降低负载。
如图5所示，微锯齿层25包括两个以上纳米级齿状凸起251，突出于且均匀分布于有机层24的上表面。
齿状凸起251为直线形主体时，多个齿状凸起相互平行；齿状凸起251为锥形时，多个锥形齿状凸起排列成一矩阵。齿状凸起251的纵向截面为三角形，齿状凸起251的高度H的范围为100~300nm，任意两个相邻的齿状凸起51的顶端之间的距离D1为100~300nm，齿状凸起251的宽度D2为100~300nm。
本实施例中，微锯齿层25用以降低显示面板表面对外界环境光的反射，提高显示面板的透过率。齿状凸起251的高度越高，每个齿状凸起251顶角的角度越小，显示面板的透过率越高，以增强显示面板的显示效果。
本实施例所述显示面板的技术效果在于，在现有的显示面板的上表面制备一微锯齿层，降低面板表面对外界环境光的反射，提高透过率，齿状凸起的顶角的角度越小，齿状凸起的高度越高，面板的透过率越高。
如图6所示，本发明还提供一种显示面板的制备方法，包括阵列面板制备步骤以及触控层制备步骤，所述触控层制备步骤包括步骤S1~S4。
S1 第一无机层制备步骤，在一阵列面板的封装层的上表面制备出一第一无机层。
S2 第二无机层制备步骤，在所述第一无机层的上表面制备出一第二无机层。
S3 触控电极单元制备步骤，在所述第一无机层上制备出一触控电极单元，所述触控电极单元包括驱动电极及接收电极。
S4 有机层制备步骤，在所述第二无机层的上表面制备出一有机层。
如图7所示，所述有机层制备步骤可以包括步骤S401~S407。S401 涂布步骤，在一显示面板上涂布一有机光阻材料；S402掩膜版放置步骤，在所述有机光阻材料表面放置具有周期锯齿纳米图形的掩膜版；S403曝光步骤，曝光涂布完所述有机光阻材料的显示面板；S404显影步骤，对曝光后的显示面板进行显影处理；S405掩膜版移除步骤，移除所述掩膜版；S406烘烤步骤，烘烤显影后的显示面板；S407辉化步骤，辉化烘烤后的显示面板，经曝光、显影、烘烤、辉化后形成一有机层。
如图8所示，在另一实施例中，所述有机层制备步骤可以包括步骤S411~S415。
S411涂布步骤，在一面板上涂布一有机光阻材料；S412曝光步骤，曝光涂布完所述有机光阻材料的面板；S413显影步骤，对曝光后的面板进行显影处理；S414烘烤步骤，烘烤显影后的面板；S415辉化步骤，通过使用氧气（O2）、氩气（Ar）源的离子束轰击所述有机层，增加辉化时间、提高辉化工艺功率或加强气体气压，辉化烘烤后的面板，使得所述有机层的上表面产生粗糙程度不同的纳米形貌，即为两个以上的齿状凸起，经曝光、显影、烘烤、辉化后形成一有机层。
所述齿状凸起为直线形主体时，多个齿状凸起相互平行；所述齿状凸起为锥形时，多个锥形齿状凸起排列成一矩阵。所述齿状凸起的纵向截面为三角形。
所述微锯齿层还可使用喷墨打印、纳米压印等方式实现。
本实施例所述的显示面板的制备方法的技术效果在于，可使用光刻、激光处理、喷墨打印、纳米压印等方式制备微锯齿层，不改变原有的显示面板的制备流程，减小制作成本。在现有的显示面板有机层的上表面制备一微锯齿层，降低面板表面对外界环境光的反射，提高透过率，齿状凸起的顶角的角度越小，齿状凸起的高度越高，面板的透过率越高。
本实施例还提供一种触控面板的制备方法，包括上述显示面板的制备步骤，还包括显示面板的制备步骤，包括：基板设置步骤、衬底层制备步骤、阵列层制备步骤、像素层制备步骤及封装层制备步骤。
本实施例所述的触控面板的制备方法的技术效果在于，在现有的显示面板的上表面制备一有机层，降低面板表面对外界环境光的反射，提高透过率，齿状凸起的顶角的角度越小，齿状凸起的高度越高，面板的透过率越高。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
Claims (10)
- 一种显示面板，其包括：阵列基板；以及触控层，设于所述阵列基板一侧的表面；其中，所述触控层包括：触控电极单元；有机层，设于所述触控电极单元远离所述阵列基板一侧的表面；以及微锯齿层，设于所述有机层远离所述触控电极单元一侧的表面。
- 如权利要求1所述的显示面板，其中，所述微锯齿层包括两个以上齿状凸起，突出于且均匀分布于所述有机层一侧的表面。
- 如权利要求2所述的显示面板，其中，所述齿状凸起为直线形柱体，两个以上齿状凸起彼此平行；或者，所述齿状凸起为锥形，两个以上齿状凸起排成一矩阵。
- 如权利要求2所述的显示面板，其中，所述齿状凸起的高度为100~300纳米；和/或，所述齿状凸起的宽度为100~300纳米；和/或，任意两个相邻的齿状凸起顶端之间的距离为100~300纳米。
- 如权利要求1所述的显示面板，其中，所述触控层还包括：第一无机层，设于所述阵列基板一侧的表面；以及第二无机层，设于所述第一无机层远离所述阵列基板一侧的表面；其中，所述触控电极单元设于所述第一无机层一侧的表面，且设于所述第二无机层内。
- 如权利要求1所述的显示面板，其中，所述阵列基板包括：基板；衬底层，设于所述基板一侧的表面；阵列层，设于所述衬底层远离所述基板一侧的表面；像素层，设于所述阵列层远离所述衬底层一侧的表面；以及封装层，设于所述像素层远离所述阵列层一侧的表面。
- 一种显示面板的制备方法，其包括阵列基板提供步骤，提供一阵列基板；以及触控层制备步骤，在所述阵列基板的上表面制备出触控层；其中，所述触控层制备步骤包括：触控电极单元制备步骤，在一阵列基板上制备出触控电极单元；以及有机层制备步骤，在所述触控电极单元的上表面制备出一有机层；其中，所述有机层的上表面设有一微锯齿层。
- 如权利要求7所述的显示面板的制备方法，其中，所述有机层制备步骤包括：涂布步骤，在一阵列面板上涂布一有机光阻材料；曝光步骤，曝光涂布完所述有机光阻材料的阵列面板；显影步骤，对曝光后的阵列面板进行显影处理；烘烤步骤，烘烤显影后的阵列面板；以及辉化步骤，辉化烘烤后的阵列面板，在所述阵列面板的一表面形成有机层。
- 如权利要求8所述的显示面板的制备方法，其中，在所述曝光步骤之前，还包括掩膜版放置步骤，在所述有机光阻材料表面放置具有周期锯齿纳米图形的掩膜版；在所述显影步骤之后，还包括掩膜版移除步骤，移除所述掩膜版。
- 如权利要求8所述的显示面板的制备方法，其中，在所述辉化步骤中，采用离子束轰击所述有机层。
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