WO2017059810A1 - 触摸显示面板及其制备方法以及显示装置 - Google Patents

触摸显示面板及其制备方法以及显示装置 Download PDF

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Publication number
WO2017059810A1
WO2017059810A1 PCT/CN2016/101544 CN2016101544W WO2017059810A1 WO 2017059810 A1 WO2017059810 A1 WO 2017059810A1 CN 2016101544 W CN2016101544 W CN 2016101544W WO 2017059810 A1 WO2017059810 A1 WO 2017059810A1
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WIPO (PCT)
Prior art keywords
touch
display panel
protection layer
display
panel
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PCT/CN2016/101544
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English (en)
French (fr)
Inventor
朱昆鹏
朴仁镐
刁凯
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/525,831 priority Critical patent/US10295854B2/en
Publication of WO2017059810A1 publication Critical patent/WO2017059810A1/zh

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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
    • G02F1/13338—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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • 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
    • G02F2201/50—Protective arrangements
    • 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

Definitions

  • Embodiments of the present invention relate to a touch display panel, a method of fabricating the same, and a display device.
  • the existing touch display device includes a touch panel and a display panel.
  • the touch panel generally adopts On Cell Touch technology; specifically, the On-Cell touch panel may include a touch substrate and a protection glass, and the touch substrate is generally made of a glass material, and a touch control circuit is disposed thereon, and the cover glass is covered on the touch substrate.
  • the display panel can be a TFT-LCD panel or an OLED panel. Taking a TFT-LCD panel as an example, it generally includes an array substrate and a color filter substrate of a pair of boxes, and a liquid crystal layer interposed therebetween.
  • the display panel is a TFT-LCD panel
  • the display device further includes a backlight located below the display panel for providing light to the display panel.
  • Embodiments of the present invention provide a touch display panel, a method for fabricating the same, and a display device.
  • the touch display panel reduces the chance of screen breakage and achieves lower thickness and weight while achieving better touch sensitivity and response speed.
  • At least one embodiment of the present invention provides a touch display panel including: a display panel; a touch panel disposed on the display panel; and an edge protection layer, the projection of the touch panel on the display panel is located In the display panel, the edge protection layer is disposed around the touch panel.
  • the edge protection layer is configured to refract light passing through the edge protection layer to achieve a borderless.
  • the edge protection layer covers an area between the edge of the touch panel and the edge of the display panel, and the edge is along the edge of the touch panel.
  • the thickness of the edge protection layer is gradually reduced in the direction of the edge of the display panel.
  • a surface of the edge protection layer facing away from the display panel is curved.
  • the edge protection layer and the The thickness of the touch panel is equal to the thickness of the touch panel.
  • the edge protection layer is transparent.
  • the touch panel includes a base substrate and a touch circuit disposed on the base substrate, and a refractive index of the edge protection layer and the lining
  • the base substrate has the same refractive index.
  • the base substrate is a glass substrate
  • the refractive index of the edge protection layer is the same as the refractive index of the glass used to form the glass substrate.
  • the material of the edge protection layer comprises a transparent resin.
  • the transparent resin is an epoxy resin.
  • the display panel includes a display area and a frame non-display area surrounding the display area, the display area including a display body area and surrounding the display body area a projection adjacent to the display panel, the projection of the touch panel on the display panel being the same as the display main body region, the projection of the edge protection layer on the display panel and the non-display area of the bezel and the adjacent area of the bezel
  • the overlay is the same.
  • a black matrix is disposed in the non-display area of the frame.
  • At least one embodiment of the present invention provides a method of fabricating a touch display panel, including: providing a display panel and a touch panel; bonding the display panel and the touch panel; and surrounding the edge of the touch panel An edge protection layer is formed.
  • the method further includes: coating a transparent resin around the edge of the touch panel to form the edge protection layer.
  • the transparent resin is an epoxy resin.
  • the thickness of the edge protection layer gradually decreases along an edge of the touch panel toward an edge of the display panel.
  • the edge protection The surface of the sheath facing away from the display panel is curved.
  • the touch panel in a method for fabricating a touch display panel according to an embodiment of the invention, includes a base substrate and a touch circuit disposed on the base substrate, and a refractive index of the edge protection layer is The base substrate has the same refractive index.
  • At least one embodiment of the present invention provides a display device comprising: the backlight of the touch display panel according to any one of the above.
  • the backlight includes a light emitting surface
  • the display panel includes a display area
  • the light emitting surface covers at least the display area of the display panel.
  • FIG. 1 is a schematic diagram of a touch display panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of another touch display panel according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for preparing a touch display panel according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a display device according to an embodiment of the present invention.
  • FIG. 5 is a schematic view showing a light emitting surface of a backlight of the display device shown in FIG. 4.
  • FIG. 5 is a schematic view showing a light emitting surface of a backlight of the display device shown in FIG. 4.
  • 5-backlight source 10-touch panel; 11-display panel; 12-edge protection layer; 15-black matrix; 51-light-emitting surface; 101-substrate/glass substrate; 102-touch circuit; Adjacent area; B-frame non-display area; C-display area; D- display main area.
  • the inventors of the present application found that in the touch display device, the touch substrate includes a protective glass, so that it has a large overall thickness; on the one hand, the thickness and weight of the display device are increased, and on the other hand, It also reduces the sensitivity and response speed of the touch panel.
  • Embodiments of the present invention provide a touch display panel, a method of fabricating the same, and a display device.
  • the touch display panel includes a display panel, a touch panel disposed on the display panel, and an edge protection layer.
  • the projection of the touch panel on the display panel is located in the display panel, and the edge protection layer is disposed around the touch panel. Therefore, the edge protection layer can protect the touch panel, thereby eliminating the need for additional protective glass, thereby reducing the thickness and weight of the touch display panel and improving the touch sensitivity of the touch display panel.
  • FIG. 1 is a schematic diagram of a touch display panel provided by the present invention.
  • the touch display panel includes a touch panel 10 and a display panel 11 which are sequentially disposed from top to bottom, that is, the touch panel 10 is disposed on the display panel 11 .
  • the projection of the touch panel 10 on the display panel 11 is located in the display panel 11, that is, the orthographic projection of the touch panel 10 on the display panel 11 is located in the area where the display panel 11 is located.
  • the touch display panel further includes an edge protection layer 12 disposed around the touch panel 10 .
  • the touch panel includes a glass substrate and a touch circuit disposed on the glass substrate. Since the glass material is easily broken, the surface of the touch panel needs to be covered with a protective glass (high-strength glass).
  • a layer surrounding the edge of the touch panel 10 The edge protection layer 12 can provide protection to the touch panel 10, so that when the touch display panel is dropped, the edge protection layer 12 can be in contact with an external object, thereby preventing the touch panel 10 from contacting external objects, thereby reducing touch.
  • the probability of panel 10 being damaged. Therefore, the touch display panel provided by the embodiment does not need to provide a protection glass to provide protection for the touch panel 10, thereby reducing the thickness and weight of the touch display panel. Meanwhile, after the protection glass is removed, the touch panel 10 can be further Sensitively and more quickly respond to user's touch actions, thereby increasing the sensitivity and response speed of the touch display panel.
  • the edge protection layer 12 is used to refract light passing through the edge protection layer 12 to achieve a borderless.
  • the edge protection layer 12 covers an area between the edge of the touch panel 10 and the edge of the display panel 11 along the edge of the touch panel 10 toward the edge of the display panel 11. In the direction, the thickness of the edge protective layer 12 is sequentially decreased.
  • the edges of the display panel are used for wiring, and the drive control circuit and the like are provided. Therefore, these areas are covered with a black matrix. Therefore, in a normal display panel, the light emitted by the backlight cannot directly pass through the frame black matrix of the display panel. A black border appears around the display area.
  • the display panel 11 includes a display area C and a frame non-display area B surrounding the display area C.
  • the display area C can be effectively displayed, and the border non-display area B cannot be displayed due to the setting of the black matrix.
  • the thickness of the edge protection layer 12 is sequentially decreased along the edge of the touch panel 10 toward the edge of the display panel 11. According to such a structure, a portion of the light of the backlight directed toward the edge of the display area (ie, the area A in FIG. 1 and the area adjacent to the non-display area of the display area) is obliquely directed toward the edge of the curved surface of the display surface.
  • the edge protection layer which gradually decreases in thickness along the edge of the touch panel toward the edge of the display panel, and is emitted upward (ie, perpendicular to the direction of the display panel 11), so that the non-display area of the frame can also be displayed.
  • the frame can be "reduced” or even “cancelled", thereby enabling borderless display.
  • the surface of the edge protection layer 12 facing away from the display panel 11 is curved. Since the surface of the edge protection layer 12 facing away from the display panel 11 is curved, its thickness gradually decreases toward the edge of the display panel 11, and a borderless display can be realized; and, due to the back of the edge protection layer 12, the display panel 11 The surface of the edge protection layer 12 is continuously curved, so that the display of the display area C adjacent to the area A of the frame non-display area B is less deformed, so that the display effect of the touch display panel can be improved.
  • the edge protection layer may also adopt other structures whose thickness is gradually reduced.
  • the display panel 11 includes a display area C and a frame non-display area B.
  • the display area C includes a display main area D and a border adjacent area A surrounding the display main area D, and the border adjacent area A is an area adjacent to the border non-display area B of the display area C.
  • the projection of the touch panel 10 on the display panel 11 is the same as that of the display body region D; the projection of the edge protection layer 12 on the display panel 11 is the same as the superposition of the frame non-display area B and the border adjacent area A.
  • a frame non-display area B (such as the area marked in FIG. 1) is provided with a black matrix 15.
  • the thickness h2 at which the edge protection layer 12 and the touch panel 10 meet is equal to the thickness h1 of the touch panel 10 . This can make the transition of the edge protection layer 12 facing away from the surface of the display panel 11 and the surface of the touch panel 10 facing away from the display panel smoother, contributing to a better display effect.
  • the edge protection layer 12 is transparent. Thereby, the edge protection layer can achieve better protection effect and realize borderless display.
  • the material of the edge protection layer 12 may be selected from a transparent resin such as an epoxy resin.
  • the touch panel 10 includes a base substrate 101 and a touch circuit 102 disposed on the base substrate 101.
  • the refractive index of the edge protection layer 12 is the same as the refractive index of the base substrate 101. Therefore, the light emitted from the backlight has the same transmittance in the edge protection layer 12 and the touch panel 10 (the base substrate 101), so that the display area corresponding to the edge protection layer 12 and the touch panel 10 can be avoided ( The brightness of the display area corresponding to the base substrate 101) is different, and the display defect caused thereby.
  • the base substrate 101 is a glass substrate, that is, the touch panel 10 includes a glass substrate 101 and a touch circuit 102 formed on the glass substrate 101;
  • the refractive index of the edge protection layer 12 is the same as the refractive index of the glass substrate 101. . Therefore, the light emitted by the backlight has the same transmittance in the edge protection layer 12 and the touch panel 10, so that the brightness of the display area corresponding to the edge protection layer 12 and the display area corresponding to the touch panel 10 can be avoided. There is a difference, and the resulting display is poor.
  • the surface of the touch panel 10 can be a flat surface or a curved surface. That is, the touch panel 10 can be 2D glass, 2.5D glass, or 3D glass. When using 2D glass, lower cost can be achieved. 2.5D glass or 3D glass can get better display effect.
  • the edge of the touch panel 10 is located on the display panel 11
  • the edge protection layer 12 surrounds the touch panel 10, and the edge protection layer 12 is used to protect the touch panel 10, so that the edge protection layer 12 can avoid the touch panel 10 and the outside when the touch display panel is dropped.
  • the touch display panel provided by the embodiment does not need to provide the protection glass to provide protection for the touch panel 10, thereby reducing the thickness and weight of the touch display panel. Meanwhile, after the protection glass is removed, the touch panel 10 can be more sensitive. Respond more quickly to the user's touch action, thereby increasing the sensitivity and response speed of the touch display panel.
  • the embodiment provides a method for preparing a touch display panel for preparing the touch display panel described above.
  • 2 is a flow chart of a method for preparing a touch display panel; as shown in FIG. 3, the method for preparing the touch display panel includes the following steps S1-S3:
  • S3 Form an edge protection layer around the edge of the touch panel.
  • a transparent resin may be applied around the edges of the touch panel to form an edge protection layer as shown in FIG.
  • the transparent resin may include an epoxy resin, and of course, embodiments of the invention include, but are not limited to.
  • the touch display panel has an edge protection layer, which can reduce the probability of the touch display panel being broken; on the other hand, the protective glass can be omitted, and the touch can be reduced.
  • the overall thickness and weight of the display panel are implemented to achieve thinness and lightness, and the touch sensitivity of the touch display panel can be improved.
  • the thickness of the edge protection layer gradually decreases along the edge of the touch panel toward the edge of the display panel. Therefore, the touch display panel prepared by the method can “reduce” or even “eliminate” the border, and thus can display the borderless display.
  • the touch display panel prepared by the method can “reduce” or even “eliminate” the border, and thus can display the borderless display.
  • the surface of the edge protection layer facing away from the display panel is curved. Since the surface of the edge protection layer facing away from the display panel is curved, the thickness of the edge protection layer can be continuously changed, thereby improving the display effect of the touch display panel.
  • the touch panel package The base substrate and the touch circuit disposed on the base substrate, the edge protection layer having the same refractive index as the base substrate. Therefore, the light emitted by the backlight has the same transmittance in the edge protection layer and the touch panel (substrate substrate), thereby avoiding the display area corresponding to the edge protection layer and the touch panel (substrate substrate) There is a difference in the brightness of the corresponding display area, and the resulting display is poor.
  • This embodiment provides a display device.
  • 4 is a schematic diagram of a display device; as shown in FIG. 4, the display device includes a backlight 5 and the above-described touch display panel. Since the display device has the touch display panel described above, the display device has a technical effect corresponding to the technical effect of the touch display panel included therein.
  • the display device provided by the embodiment can reduce the probability of the display screen being broken, and achieve lower thickness and weight, and at the same time obtain better touch sensitivity and response speed. For details, refer to the related description in the first embodiment, and details are not described herein again.
  • the backlight 5 includes a light exit surface 51
  • the display panel includes a display area C that covers at least the display area C of the display panel, as shown in FIG. That is to say, the light-emitting surface 51 of the backlight 5 has a certain width, and the width W thereof is larger than the distance L1 between the black matrix of the frame of the opposite sides of the display panel (ie, the width of the display area C), so that the backlight can be ensured.
  • Sufficient light is emitted from the edge region of the edge 5, and the light is directed to the corresponding area of the edge protection layer 12 to achieve a borderless display, and the display brightness at the frame is substantially the same as the brightness of the display area corresponding to the touch panel 10.

Abstract

一种触摸显示面板及其制备方法以及显示装置。该触摸显示面板包括显示面板(11)、设置在显示面板(11)上的触控面板(10)以及边缘保护层(12)。触控面板(10)在显示面板(11)上的投影位于显示面板(11)内，边缘保护层(12)环绕触控面板(10)设置。该触摸显示面板可以降低显示屏破碎的几率，并实现较低的厚度和重量，同时获得更好的触摸灵敏度和响应速度。

Description

触摸显示面板及其制备方法以及显示装置 技术领域
本发明实施例涉及一种触摸显示面板及其制备方法以及显示装置。
背景技术
现有触摸显示装置包括触控面板和显示面板两部分。触控面板一般采用On Cell Touch技术；具体地，On-Cell触控面板可以包括触摸基板和保护玻璃，该触摸基板一般为玻璃材质，其上设置有触摸控制电路，保护玻璃覆盖在触摸基板上，用于保护触摸基板。显示面板可以为TFT-LCD面板，也可以为OLED面板。以TFT-LCD面板为例，其一般包括对盒的阵列基板和彩膜基板，以及位于二者之间的液晶层。在显示面板为TFT-LCD面板时，所述显示装置还要包括背光源，其位于显示面板的下方，用于为显示面板提供光线。
发明内容
本发明实施例提供一种触摸显示面板及其制备方法以及显示装置。该触摸显示面板可以降低显示屏破碎的几率，并实现较低的厚度和重量，同时获得更好的触摸灵敏度和响应速度。
本发明至少一个实施例提供一种触摸显示面板，其包括：显示面板；触控面板，设置在所述显示面板上；以及边缘保护层，所述触控面板在所述显示面板上的投影位于所述显示面板内，所述边缘保护层环绕所述触控面板设置。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层被配置为将经过所述边缘保护层的光折射以实现无边框。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层覆盖所述触控面板边缘到所述显示面板边缘之间的区域，且沿所述触控面板的边缘向所述显示面板的边缘的方向，所述边缘保护层的厚度逐渐减小。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层的背向所述显示面板的表面为弧形。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层与所述 触控面板相接处的厚度等于所述触控面板的厚度。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层为透明的。
例如，在本发明一实施例提供的触摸显示面板中，所述触控面板包括衬底基板以及设置在所述衬底基板上的触控电路，所述边缘保护层的折射率与所述衬底基板的折射率相同。
例如，在本发明一实施例提供的触摸显示面板中，所述衬底基板为玻璃基板，所述边缘保护层的折射率与用于制成所述玻璃基板的玻璃的折射率相同。
例如，在本发明一实施例提供的触摸显示面板中，所述边缘保护层的材料包括透明树脂。
例如，在本发明一实施例提供的触摸显示面板中，所述透明树脂为环氧树脂。
例如，在本发明一实施例提供的触摸显示面板中，所述显示面板包括显示区以及围绕所述显示区的边框非显示区，所述显示区包括显示主体区和围绕所述显示主体区的边框邻接区，所述触控面板在所述显示面板上的投影与所述显示主体区相同，所述边缘保护层在显示面板上的投影与所述边框非显示区与所述边框邻接区的叠加相同。
例如，在本发明一实施例提供的触摸显示面板中，所述边框非显示区内设置有黑矩阵。
本发明至少一个实施例提供一种触摸显示面板的制备方法，其包括：提供显示面板和触控面板；将所述显示面板和所述触控面板贴合；以及在所述触控面板边缘四周形成边缘保护层。
例如，在本发明一实施例提供的触摸显示面板的制备方法中，还包括：在所述触控面板边缘四周涂覆透明树脂以形成所述边缘保护层。
例如，在本发明一实施例提供的触摸显示面板的制备方法中，所述透明树脂为环氧树脂。
例如，在本发明一实施例提供的触摸显示面板的制备方法中，沿所述触控面板的边缘向所述显示面板的边缘的方向，所述边缘保护层的厚度逐渐减小。
例如，在本发明一实施例提供的触摸显示面板的制备方法中，所述边缘保 护层的背向所述显示面板的表面为弧形。
例如，在本发明一实施例提供的触摸显示面板的制备方法中，所述触控面板包括衬底基板以及设置在所述衬底基板上的触控电路，所述边缘保护层的折射率与所述衬底基板的折射率相同。
本发明至少一个实施例提供一种显示装置，其包括：背光源上述任一项所述的触摸显示面板。
例如，在本发明一实施例提供的显示装置中，所述背光源包括一出光面，所述显示面板包括显示区，所述出光面至少覆盖所述显示面板的所述显示区。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种触摸显示面板的示意图；
图2为本发明实施例提供的另一种触摸显示面板的示意图；
图3为本发明实施例提供的一种触摸显示面板的制备方法的流程图；
图4为本发明实施例提供的一种显示装置的示意图；以及
图5为图4所示的显示装置的背光源的出光面的示意图。
附图标记：
5-背光源；10-触控面板；11-显示面板；12-边缘保护层；15-黑矩阵；51-出光面；101-衬底基板/玻璃基板；102-触控电路；A-边框邻接区；B-边框非显示区；C-显示区；D-显示主体区。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所 有其他实施例，都属于本公开保护的范围。另外，附图中各膜层的厚度和形状不反映真实比例，目的只是示意说明本发明内容。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开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“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而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。
在研究中，本申请的发明人发现：在触摸显示装置中，触控基板包括保护玻璃，因此其具有较大的整体厚度；这样一方面导致显示装置的厚度和重量增大，另一方面，还降低了触摸面板的灵敏度和响应速度。
本发明的实施例提供一种触摸显示面板及其制备方法以及显示装置。该触摸显示面板包括显示面板、设置在显示面板上的触控面板以及边缘保护层。触控面板在显示面板上的投影位于显示面板内，边缘保护层环绕触控面板设置。由此，该边缘保护层可起到保护触控面板的作用，从而可省去额外的保护玻璃，进而可降低该触摸显示面板的厚度和重量以及提高该触摸显示面板的触控灵敏度。
下面结合附图对本发明实施例提供的触摸显示面板及其制备方法以及显示装置进行说明。
实施例一
本实施例提供一种触摸显示面板。图1为本发明提供的一种触摸显示面板的示意图。如图1所示，该触摸显示面板包括由上至下依次设置的触控面板10和显示面板11，也就是说，触控面板10设置在显示面板11上。触控面板10在显示面板11上的投影位于显示面板11内，即触控面板10在显示面板11上的正投影位于显示面板11所在的区域内。此外，该触摸显示面板还包括边缘保护层12，边缘保护层12环绕触控面板10设置。
通常，触控面板包括玻璃基板以及设置在玻璃基板上的触控电路。由于玻璃材质容易破碎，因此，触控面板表面需要再覆盖一层保护玻璃(高强度玻璃)。然而，在本实施例提供的触摸显示面板中，在触控面板10的边缘环绕的一层 边缘保护层12，可对触控面板10提供保护，这样在该触摸显示面板掉落时，边缘保护层12可与外界物体接触，从而避免触控面板10与外界物体接触，进而降低了触控面板10损坏的几率。由此，本实施例提供的触摸显示面板无需设置保护玻璃以对触控面板10提供保护，这样就降低了触摸显示面板的厚度和重量；同时，去除了保护玻璃之后，触控面板10可以更灵敏、更迅速地响应用户的触摸动作，从而提高触摸显示面板的灵敏度和响应速度。
例如，在本实施例一示例提供的触摸显示面板中，如图1所示，边缘保护层12用于将经过边缘保护层12的光折射以实现无边框。
例如，在本实施例一示例提供的触摸显示面板中，边缘保护层12覆盖触控面板10的边缘到显示面板11边缘之间的区域，沿触控面板10的边缘向显示面板11的边缘的方向，边缘保护层12的厚度依次减小。通常，显示面板的边缘用于布线，设置驱动控制电路等，因此，这些区域覆盖有黑矩阵，因而，在通常的显示面板中，背光源发出的光线无法直接透过显示面板的边框黑矩阵，其显示区周围会出现黑色边框。如图1所示，显示面板11包括显示区C以及围绕显示区C的边框非显示区B。显示区C可有效地进行显示，而边框非显示区B由于设置有黑矩阵无法进行显示。然而，在本实施例提供的触摸显示面板中，沿触控面板10的边缘向显示面板11的边缘的方向，所述边缘保护层12的厚度依次减小。根据这样的结构，背光源射向显示区的边缘(即图1中的A区，显示区邻近边框非显示区的区域)的部分光线在斜射向所述显示面的边缘弧形部分边缘保护层，经过沿触控面板的边缘向显示面板的边缘的方向厚度逐渐减小的边缘保护层的折射，向上射出(即垂直于显示面板11的方向)，从而可使得边框非显示区也可显示画面，从而可“减小”甚至“消除”边框，进而可实现无边框显示。
例如，在本实施例一示例提供的触摸显示面板中，如图1所示，边缘保护层12的背向显示面板11的表面为弧形。由于边缘保护层12的背向显示面板11的表面为弧形，其厚度沿朝向显示面板11边缘的方向逐渐减小，可实现无边框显示；并且，由于边缘保护层12的背向显示面板11的表面为弧形，边缘保护层12的厚度可连续变化，从而使得显示区C邻近边框非显示区B的区域A显示的画面变形较小，从而可提高该触摸显示面板的显示效果。当然，本发 明实施例包括但不限于此，边缘保护层还可采用其他厚度逐渐减小的结构。
例如，如图1所示，显示面板11包括显示区C、边框非显示区B。显示区C包括显示主体区D以及围绕所述显示主体区D的边框邻接区A，边框邻接区A为显示区C邻近边框非显示区B的区域。触控面板10在显示面板11上的投影与显示主体区D相同；边缘保护层12在显示面板11上的投影与边框非显示区B和边框邻接区A的叠加相同。
例如，如图1所示，边框非显示区B(如图1中所标注的区域)设置有黑矩阵15。
例如，在本实施例一示例提供的触摸显示面板中，边缘保护层12与触控面板10相接处的厚度h2等于触控面板10的厚度h1。这样可以使边缘保护层12的背向显示面板11的表面和触控面板10的背向显示面板的表面之间的相接处的过渡更平滑，有助于实现更好的显示效果。
例如，在本实施例一示例提供的触摸显示面板中，边缘保护层12为透明的。由此，该边缘保护层可实现更好的保护效果和实现无边框显示。
例如，边缘保护层12的材料可选择为透明树脂，例如，环氧树脂。
例如，如图2所示，触控面板10包括衬底基板101以及设置在衬底基板101上的触控电路102，边缘保护层12的折射率与衬底基板101的折射率相同。由此，背光源射出的光在边缘保护层12和触控面板10(衬底基板101)中具有相同的透过率，从而可避免边缘保护层12所对应的显示区和触控面板10(衬底基板101)所对应的显示区的亮度出现差异，和由此导致的显示不良。
例如，衬底基板101为玻璃基板，也就是说，触控面板10包括玻璃基板101和形成在玻璃基板101上的触控电路102；边缘保护层12的折射率与玻璃基板101的折射率相同。由此，背光源射出的光在边缘保护层12和触控面板10中具有相同的透过率，从而可避免边缘保护层12所对应的显示区和触控面板10所对应的显示区的亮度出现差异，和由此导致的显示不良。
例如，触控面板10的表面可为平面或者曲面，也就是说，触控面板10可以为2D玻璃、2.5D玻璃或者3D玻璃，在采用2D玻璃时，可以实现较低的成本，而在采用2.5D玻璃或者3D玻璃，可以获得较好的显示效果。
在本实施提供的触摸显示面板中，触控面板10的边缘位于显示面板11的 边缘之内，并设置边缘保护层12将触控面板10环绕，边缘保护层12用于保护触控面板10，这样在触摸显示面板掉落时，边缘保护层12可以避免触控面板10与外界物体碰撞而损坏；由此，本实施例提供的触摸显示面板在与外界物体碰撞时损坏的几率较低。同时，本实施例提供的触摸显示面板无需设置保护玻璃对触控面板10提供保护，从而可降低了触摸显示面板的厚度和重量；同时，去除了保护玻璃之后，触控面板10可以更灵敏、更迅速地响应用户的触摸动作，从而提高该触摸显示面板的灵敏度和响应速度。
实施例二
本实施例提供一种触摸显示面板的制备方法，用于制备上述的触摸显示面板。图2为一种触摸显示面板的制备方法的流程图；如图3所示，触摸显示面板的制备方法包括以下步骤S1-S3：
S1：分别制备显示面板和触控面板；
S2：将显示面板和触控面板贴合；
S3：在触控面板边缘四周形成边缘保护层。
例如，可在触控面板的边缘四周涂覆透明树脂以形成如图1所示的边缘保护层。
例如，透明树脂可包括环氧树脂，当然，本发明实施例包括但不限于此。
在本实施例提供的触摸显示面板的制备方法中，制备出的触摸显示面板具有边缘保护层，一方面可降低触摸显示面板破碎的几率；另一方面可省去了保护玻璃，可降低该触摸显示面板的整体厚度和重量以实现轻薄化，并可提高该触摸显示面板的触控灵敏度。
例如，在本实施例一示例提供的触摸面板的制备方法中，沿所述触控面板的边缘向所述显示面板的边缘的方向，所述边缘保护层的厚度逐渐减小。由此，该方法制备的触摸显示面板可“减小”甚至“消除”边框，进而可实现无边框显示，具体可参见实施例一中的相关描述。
例如，在本实施例一示例提供的触摸面板的制备方法中，所述边缘保护层的背向所述显示面板的表面为弧形。由于边缘保护层的背向显示面板的表面为弧形，边缘保护层的厚度可连续变化，从而可提高该触摸显示面板的显示效果。
例如，在本实施例一示例提供的触摸面板的制备方法中，所述触控面板包 括衬底基板以及设置在所述衬底基板上的触控电路，所述边缘保护层的折射率与所述衬底基板的折射率相同。由此，背光源射出的光在边缘保护层和触控面板(衬底基板)中具有相同的透过率，从而可避免边缘保护层所对应的显示区和触控面板(衬底基板)所对应的显示区的亮度出现差异，和由此导致的显示不良。
实施例三
本实施例提供一种显示装置。图4为一种显示装置的示意图；如图4所示，显示装置包括背光源5和上述的触摸显示面板。由于该显示装置具有上述的触摸显示面板，该显示装置具备与其包括的触摸显示面板的技术效果对应的技术效果。本实施例提供的显示装置，可以降低显示屏破碎的几率，并实现较低的厚度和重量，同时获得更好的触摸灵敏度和响应速度。具体可参见实施例一中的相关描述，本发明实施例在此不再赘述。
例如，背光源5包括一出光面51，显示面板包括显示区C，出光面51至少覆盖显示面板的显示区C，如图5所示。也就是说，背光源5的出光面51具有一定的宽度，其宽度W大于显示面板相对的两个边的边框黑矩阵之间的距离L1(即显示区C的宽度)，这样可以保证背光源5的边缘区域发出的足够的光线，该光线射向边缘保护层12对应的区域，以实现无边框显示，且使边框处的显示亮度与触控面板10对应的显示区的亮度基本一致。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。
本申请要求于2015年10月10日递交的中国专利申请第201510653882.6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 (20)

  1. 一种触摸显示面板，包括：
    显示面板；
    触控面板，设置在所述显示面板上；以及
    边缘保护层，
    其中，所述触控面板在所述显示面板上的投影位于所述显示面板内，所述边缘保护层环绕所述触控面板设置。
  2. 根据权利要求1所述的触摸显示面板，其中，所述边缘保护层被配置为将经过所述边缘保护层的光折射以实现无边框。
  3. 根据权利要求1或2所述的触摸显示面板，其中，所述边缘保护层覆盖所述触控面板边缘到所述显示面板边缘之间的区域，且沿所述触控面板的边缘向所述显示面板的边缘的方向，所述边缘保护层的厚度逐渐减小。
  4. 根据权利要求3所述的触摸显示面板，其中，所述边缘保护层的背向所述显示面板的表面为弧形。
  5. 根据权利要求3所述的触摸显示面板，其中，所述边缘保护层与所述触控面板相接处的厚度等于所述触控面板的厚度。
  6. 根据权利要求1-5中任一项所述的触摸显示面板，其中，所述边缘保护层为透明的。
  7. 根据权利要求1-5中任一项所述的触摸显示面板，其中，所述触控面板包括衬底基板以及设置在所述衬底基板上的触控电路，所述边缘保护层的折射率与所述衬底基板的折射率相同。
  8. 根据权利要求7所述的触摸显示面板，其中，所述衬底基板为玻璃基板，所述边缘保护层的折射率与用于制成所述玻璃基板的玻璃的折射率相同。
  9. 根据权利要求6或8所述的触摸显示面板，其中，所述边缘保护层的材料包括透明树脂。
  10. 根据权利要求9所述的触摸显示面板，其中，所述透明树脂为环氧树脂。
  11. 根据权利要求1-5中任一项所述的触摸显示面板，其中，所述显示面板 包括显示区以及围绕所述显示区的边框非显示区，所述显示区包括显示主体区和围绕所述显示主体区的边框邻接区，所述触控面板在所述显示面板上的投影与所述显示主体区相同，所述边缘保护层在显示面板上的投影与所述边框非显示区与所述边框邻接区的叠加相同。
  12. 根据权利要求11所述的触摸显示面板，其中，所述边框非显示区内设置有黑矩阵。
  13. 一种触摸显示面板的制备方法，包括：
    提供显示面板和触控面板；
    将所述显示面板和所述触控面板贴合；以及
    在所述触控面板边缘四周形成边缘保护层。
  14. 根据权利要求13所述的触摸显示面板的制备方法，还包括：
    在所述触控面板边缘四周涂覆透明树脂以形成所述边缘保护层。
  15. 根据权利要求14所述的触摸显示面板的制备方法，其中，
    所述透明树脂为环氧树脂。
  16. 根据权利要求13-15中任一项所述的触摸显示面板的制备方法，其中，沿所述触控面板的边缘向所述显示面板的边缘的方向，所述边缘保护层的厚度逐渐减小。
  17. 根据权利要求16所述的触摸显示面板的制备方法，其中，所述边缘保护层的背向所述显示面板的表面为弧形。
  18. 根据权利要求13-17中任一项所述的触摸显示面板的制备方法，其中，所述触控面板包括衬底基板以及设置在所述衬底基板上的触控电路，所述边缘保护层的折射率与所述衬底基板的折射率相同。
  19. 一种显示装置，包括：背光源以及根据权利要求1-12中任一项所述的触摸显示面板。
  20. 根据权利要求19所述的显示装置，其中，所述背光源包括一出光面，所述显示面板包括显示区，所述出光面至少覆盖所述显示面板的所述显示区。
PCT/CN2016/101544 2015-10-10 2016-10-09 触摸显示面板及其制备方法以及显示装置 WO2017059810A1 (zh)

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