WO2011103804A1 - 触摸屏及具有该触摸屏的手持设备 - Google Patents

触摸屏及具有该触摸屏的手持设备 Download PDF

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Publication number
WO2011103804A1
WO2011103804A1 PCT/CN2011/071215 CN2011071215W WO2011103804A1 WO 2011103804 A1 WO2011103804 A1 WO 2011103804A1 CN 2011071215 W CN2011071215 W CN 2011071215W WO 2011103804 A1 WO2011103804 A1 WO 2011103804A1
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Prior art keywords
structure pattern
touch screen
transparent substrate
touch panel
touch
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PCT/CN2011/071215
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English (en)
French (fr)
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李勇
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华为终端有限公司
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Publication of WO2011103804A1 publication Critical patent/WO2011103804A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display

Definitions

  • the present invention relates to the field of handheld devices, and in particular, to a touch screen and a handheld device having the same. Background technique
  • OLEDs that is, organic light emitting diodes (Organic Light Emitting Diodes), also known as organic electroluminescence displays have the characteristics of lightness, power saving, etc., and thus have been obtained on MP3 players. Widely used. Moreover, its application range has been extended to mobile phones, game consoles and the like with larger handheld devices.
  • the 0LED display technology does not require a backlight, but instead, as shown in FIG. 1, a display substrate 11 having a small thickness is used, and an organic material pattern is disposed on the display substrate 11. Layer 12, when a current is passed, the organic material layer 12 emits red, green, and blue light to display different images and colors.
  • the prior art 1 provides a touch screen structure, specifically adding a feeling in a 0 LED handheld device.
  • the light sensor recognizes the user's command by the light change detected by the photosensitive sensor, thereby implementing the touch function.
  • the cost of the photosensitive sensor in this structure is high, which is not conducive to popular use.
  • another touch screen structure is provided. As shown in FIG. 2, an independent touch panel is formed.
  • the touch panel includes a touch substrate 21, and the touch pattern 22 is formed on the touch substrate 21.
  • the display substrate 11 and the touch substrate 21 are fixed together, for example, by bonding together to form a touch screen.
  • this structure has a large amount of materials, which results in a large thickness and a high cost.
  • the inventors have found that at least the following problems exist in the prior art:
  • the touch screen in the prior art has a large thickness and a high cost. Summary of the invention
  • a touch screen includes a transparent substrate, and an OLED board structure pattern is disposed on one surface of the transparent substrate, and the 0 LED board structure pattern is used for implementing a display function. And a touch panel structure pattern is disposed on the other opposite surface of the transparent substrate, and the touch panel structure pattern is used to implement a touch function.
  • the touch screen provided by the embodiment of the present invention has a 0 LED board structure pattern on one surface of the transparent substrate and a touch panel structure pattern on the other opposite surface, so the 0 LED board structure pattern and the touch
  • the board structure pattern can share the transparent substrate, which saves the use of the substrate, so that the touch screen formed by the combination of the OLED board structure pattern and the touch panel structure pattern has a small thickness and a low cost.
  • Another technical problem to be solved by embodiments of the present invention is to provide a hand with a touch screen. With equipment, it can have a small thickness and a low cost.
  • the embodiment of the present invention adopts the following technical solutions:
  • a handheld device with a touch screen includes a housing, the housing is provided with a touch screen, the touch screen includes a transparent substrate, and an OLED board structure pattern is disposed on one surface of the transparent substrate, and the 0 LED board structure pattern is a touch panel structure pattern is disposed on another opposite surface of the transparent substrate, the touch panel structure pattern is used to implement a touch function, and the touch panel structure pattern faces the The exterior of the housing.
  • the handheld device with a touch screen provided by the embodiment of the present invention has a 0 LED board structure pattern on one surface of the transparent substrate and a touch panel structure pattern on the other opposite surface, so the 0 LED board structure pattern and The touch panel structure pattern can share the transparent substrate, which saves the use of the substrate, so that the touch screen formed by combining the 0 LED board structure pattern and the touch panel structure pattern has a smaller thickness and lower the cost of.
  • 1 is a schematic view showing the structure of an 0 LED board in the prior art
  • FIG. 2 is a schematic view showing a combination of an 0 LED board and a touch panel in the prior art to form a touch screen;
  • FIG. 3 is a schematic structural diagram of a touch screen according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of the touch screen shown in FIG. 3;
  • FIG. 5 is a schematic structural diagram of a handheld device with a touch screen according to an embodiment of the present invention.
  • Embodiments of the present invention are directed to a touch screen and a handheld device having the same that can have a small thickness and a low cost.
  • the touch screen of the embodiment of the present invention includes a transparent substrate 31 on the transparent substrate 31.
  • An OLED board structure pattern 32 is provided on one surface, and the 0 LED board structure pattern 32 is used to implement a display function, and a touch panel structure pattern 33 is provided on the other opposite surface of the transparent substrate 31, and the touch panel structure pattern 33 is used for Implement touch function.
  • the OLED board structure pattern 32 is provided on one surface of the transparent substrate 31 and the touch panel structure pattern 33 is provided on the other opposite surface, the OLED board structure pattern 32 and the touch panel structure pattern are provided.
  • the transparent substrate 31 can be shared, which saves the use of the substrate, so that the touch panel formed by combining the OLED panel structure pattern 32 and the touch panel structure pattern 33 has a small thickness and a low cost.
  • the transparent substrate 31 can transmit light emitted from the 0 LED board structure pattern 32, thereby realizing the display function of the touch screen. Further, the transparent substrate 31 may be a transparent glass substrate, a transparent quartz substrate or a transparent plastic substrate.
  • the above-mentioned 0 LED board structure pattern 32 includes a hole transport layer 321, a organic light-emitting layer 322, an electron transport layer 32 3, a metal cathode layer 324, and the like which are sequentially formed on the transparent substrate 31 by a patterning process.
  • 0LED belongs to the carrier double injection type light-emitting device, and the light-emitting mechanism is: under the driving of the external voltage, the holes injected by the anode and the electrons injected by the cathode are combined in the organic material to release energy, and the energy is The molecules that are transmitted to the organic material, so that the molecules of the organic material are excited to transition from the ground state to the excited state, and when the excited molecules return to the ground state, the radiation transitions to generate luminescence.
  • holes injected by the anode migrate to the organic light-emitting layer 322 via the transport of the hole transport layer 321; the metal cathode layer 324 cooperates with the anode to generate an electric field, and the metal cathode layer 324 can generate electrons;
  • the electrons injected by the metal cathode layer 324 migrate to the organic light-emitting layer 322 via the transport of the electron transport layer 32 3; the holes and electrons recombine in the organic light-emitting layer 322, thereby making the organic
  • the material molecules of the luminescent layer are excited to eventually produce luminescence.
  • the organic light-emitting layer 322 includes a plurality of pixel units composed of three colors of red, green, and blue, and a plurality of pixel units can display different images.
  • the patterning process in this embodiment may include various processes such as deposition, exposure, development, etching, photoresist stripping, evaporation, and the like.
  • the touch panel structure pattern 33 includes a flexible line (FPC, Flexi bl e Pr inted Ci rcui t) layer (or a thermocompression conductive paper (Hea t) which is sequentially formed on the transparent substrate 31 by a patterning process.
  • the flexible circuit layer (hot-press conductive paper layer) 331 can be connected to the driving circuit of the touch screen, and the driving circuit can transmit instruction information input by the user.
  • Indium tin oxide polyester film layer 332 is used to electrically connect each touch sensing unit.
  • a transparent protective layer 34 is disposed on the touch panel structure pattern 33 compared to the touch screen shown in FIG.
  • the transparent protective layer 34 may be made of a transparent plastic material or a transparent resin material, or may be made of a transparent substrate having a small thickness.
  • the transparent protective layer 34 can protect the touch panel structure pattern 33 from being worn or slipped.
  • the transparent protective layer 34 makes the touch screen more beautiful in appearance and more comfortable to use, improves the user experience, and improves the market competitiveness of the touch screen product.
  • the touch screen provided by the embodiment of the present invention has an OLED panel structure pattern on one surface of the transparent substrate and a touch panel structure pattern on the other opposite surface. And the touch panel structure pattern can share the transparent substrate, thereby saving the use of the substrate, so that the touch screen formed by combining the 0 LED board structure pattern and the touch panel structure pattern has a smaller thickness and Low cost.
  • the embodiment of the invention further provides a handheld device with a touch screen. As shown in FIG. 5, the touch screen-equipped handheld device includes a housing 4 in which a touch screen 3 is disposed. Referring to FIG. 3, the touch screen 3 includes a transparent substrate 31, and an OLED board structure pattern 32 is provided on one surface of the transparent substrate 31.
  • the 0 LED board structure pattern 32 is used for performing a display function on the other opposite surface of the transparent substrate 31.
  • a touch panel structure pattern 33 is provided, and the touch panel structure pattern 33 is used to implement a touch function, and the touch panel structure pattern 33 faces the outside of the housing 4.
  • the OLED board structure pattern 32 is provided on one surface of the transparent substrate 31 and the touch panel structure pattern 33 is provided on the other opposite surface, the OLED board structure pattern 32 and the touch
  • the control board structure pattern 33 can share the transparent substrate 31, which saves the use of the substrate, so that the touch panel 3 formed by combining the 0 LED board structure pattern 32 and the touch panel structure pattern 33 has a small thickness and a low cost.
  • the handheld device with the touch screen can be a mobile phone, a game machine, an MP3, an MP4, an MP5 player, a personal digital assistant (PDA), a digital photo frame, and the like.
  • PDA personal digital assistant

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electroluminescent Light Sources (AREA)

Description

触 及具有该触 的手持 i殳备
本申请要求于 2010 年 2 月 24 日提交中国专利局、 申请号为 201020117731.1、 发明名称为 "触摸屏及具有该触摸屏的手持设备" 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。 技术领域
本发明涉及手持设备技术领域, 尤其涉及一种触摸屏及具有该触摸屏的 手持设备。 背景技术
在平板显示器技术领域中,由于 0LED、即有机发光二极管(Organic Light Emitting Diode ),又称为有机电致发光显示器( Organic Electroluminescence Display)具备轻薄、 省电等特性, 因此在 MP3播放器上已经得到了广泛应用。 而且目前其应用范围已经扩展到了手机、 游戏机等具有较大型手持设备中。
与传统的液晶显示器(LCD, liquid Crystal Display) 不同, 0LED显示 技术不需要使用背光源, 而是如图 1所示, 采用厚度较小的显示基板 11, 并 在显示基板 11 上设置有机材料图层 12, 当有电流通过时, 有机材料图层 12 发出红、 绿、 蓝三色光, 从而显示不同的图像和颜色。
但是目前随着触摸屏技术的发展, 人们希望能够在使用 0LED的手持设备 中增加触控功能以形成触摸屏,从而通过该触摸屏输入指令,使人机交互更为 方便。
现有技术一提供了一种触摸屏结构, 具体为在 0LED的手持设备中增加感 光传感器, 通过感光传感器检测到的光线变化来识别用户的指令,从而实现触 控功能。 但是该结构中感光传感器的成本较高, 不利于普及应用。 现有技术二提供了另一种触摸屏结构, 具体如图 2所示, 首先制作独立的 触控板, 该触控板包括触控基板 21, 在触控基板 21上构造触控图案 22 ; 然后 将显示基板 11和触控基板 21固定在一起,例如通过粘合的方式固定在一起以 形成触摸屏。 但是这种结构用料较多, 因此导致厚度较大、 成本较高。 在实现上述使用的过程中, 发明人发现现有技术中至少存在如下问题: 现有技术中的触摸屏厚度较大、 成本较高。 发明内容
本发明实施例所要解决的技术问题在于提供一种触摸屏,能够较小的厚度 以及较低的成本。 为解决上述技术问题, 本发明实施例采用如下技术方案: 一种触摸屏, 包括透明基板, 在所述透明基板的一个表面上设有 0LED板 结构图案, 所述 0LED板结构图案用于实现显示功能, 且在所述透明基板的另 一个相对表面上设有触控板结构图案, 所述触控板结构图案用于实现触控功 能。 本发明实施例提供的触摸屏, 由于所述透明基板的一个表面上设有 0LED 板结构图案, 而另一个相对表面上设有触控板结构图案, 因此所述 0LED板结 构图案和所述触控板结构图案能够共用所述透明基板,这样节省了对基板的使 用, 从而使得所述 0LED板结构图案和所述触控板结构图案结合形成的触摸屏 具有较小的厚度和较低的成本。 本发明实施例所要解决的另一个技术问题在于提供一种具有触摸屏的手 持设备, 能够具有较小的厚度以及较低的成本。
为解决上述技术问题, 本发明实施例采用如下技术方案:
一种具有触摸屏的手持设备, 包括壳体, 所述壳体中设有触摸屏, 所述触 摸屏包括透明基板, 在所述透明基板的一个表面上设有 0LED板结构图案, 所 述 0LED板结构图案用于实现显示功能, 在所述透明基板的另一个相对表面上 设有触控板结构图案, 所述触控板结构图案用于实现触控功能, 且所述触控板 结构图案朝向所述壳体的外部。
本发明实施例提供的具有触摸屏的手持设备,由于所述透明基板的一个表 面上设有 0LED板结构图案, 而另一个相对表面上设有触控板结构图案, 因此 所述 0LED板结构图案和所述触控板结构图案能够共用所述透明基板, 这样节 省了对基板的使用, 从而使得所述 0LED板结构图案和所述触控板结构图案结 合形成的触摸屏具有较小的厚度和较低的成本。
附图说明
图 1为现有技术中 0LED板结构的示意图;
图 2为现有技术中 0LED板和触控板结合形成触摸屏的示意图;
图 3为本发明实施例中触摸屏的结构示意图;
图 4为对图 3所示触摸屏改进后的结构示意图;
图 5为本发明实施例中具有触摸屏的手持设备的结构示意图。
具体实施方式
本发明实施例旨在提供一种触摸屏及具有该触摸屏的手持设备,能够具有 较小的厚度及较低的成本。
下面结合附图对本发明实施例进行详细描述。
如图 3所示, 本发明实施例触摸屏, 包括透明基板 31, 在透明基板 31的 一个表面上设有 0LED板结构图案 32, 0LED板结构图案 32用于实现显示功能, 且在透明基板 31的另一个相对表面上设有触控板结构图案 33, 触控板结构图 案 33用于实现触控功能。
本实施例中的触摸屏,由于透明基板 31的一个表面上设有 0LED板结构图 案 32, 而另一个相对表面上设有触控板结构图案 33, 因此 0LED板结构图案 32和触控板结构图案 33能够共用透明基板 31 , 这样节省了对基板的使用,从 而使得 0LED板结构图案 32和触控板结构图案 33结合形成的触摸屏具有较小 的厚度和较低的成本。
其中需要说明的是, 使用透明基板 31能够透过 0LED板结构图案 32发出 的光线, 从而实现触摸屏的显示功能。 而且该透明基板 31 可以为透明玻璃基 板、 透明石英基板或透明塑料基板等。
如图 3中所示,上述 0LED板结构图案 32包括通过构图工艺依次在透明基 板 31上成型的空穴传输层 321、有机发光层 322、 电子传输层 32 3以及金属阴 极层 324等。
其中, 0LED属于载流子双注入型发光器件, 其发光机理为: 在外界电压 的驱动下,由阳极注入的空穴和由阴极注入的电子在有机材料中复合而释放出 能量, 并将能量传递给有机材料的分子,从而使有机材料的分子受到激发而从 基态跃迁到激发态, 当受激分子回到基态时辐射跃迁而产生发光现象。
本实施例中具体而言,由阳极注入的空穴经由空穴传输层 321的传输而向 有机发光层 322 迁移; 金属阴极层 324与阳极配合产生电场, 且金属阴极层 324可以产生电子; 由金属阴极层 324注入的电子经由电子传输层 32 3的传输 向有机发光层 322迁移; 空穴和电子在有机发光层 322中复合,从而使得有机 发光层的材料分子受到激发, 最终产生发光现象。 其中, 有机发光层 322包括 大量由红、 绿、 蓝三种颜色组成的像素单元, 通过这些大量的像素单元能够显 示不同的图像。
本实施例中该构图工艺可以包括沉积、 曝光、 显影、 刻蚀、 光刻胶剥离、 蒸镀等多种工序。
如图 3中所示, 上述触控板结构图案 33包括通过构图工艺依次在透明基 板 31上成型的柔性线路 ( FPC , Flexi bl e Pr inted Ci rcui t )层(或者热压导 电纸(Hea t Sea l)层) 331、 以及铟锡氧化物聚酯膜( ITO PET )层 332。 其中 柔性线路层(热压导电纸层) 331可以和该触摸屏的驱动电路相连, 该驱动电 路能够传输用户输入的指令信息。铟锡氧化物聚酯膜层 332则用于在电气上连 接每个触控传感单元。
如图 4所示, 本实施例中, 相比于图 3所示的触摸屏, 在触控板结构图案 33上设有透明保护层 34。 该透明保护层 34可以由透明塑料材料、或透明树脂 材料制成, 或者也可以由厚度较小的透明基板充当。 该透明保护层 34能够保 护触控板结构图案 33不被磨损或滑伤。此外透明保护层 34使得该触摸屏外形 更加美观、 使用更加舒适, 改善了用户体验, 提高了该触摸屏产品的市场竟争 力。
综上所述, 本发明实施例提供的触摸屏, 由于所述透明基板的一个表面上 设有 0LED板结构图案, 而另一个相对表面上设有触控板结构图案, 因此所述 0LED板结构图案和所述触控板结构图案能够共用所述透明基板, 这样节省了 对基板的使用, 从而使得所述 0LED板结构图案和所述触控板结构图案结合形 成的触摸屏具有较小的厚度和较低的成本。 除此之外, 本发明实施例还提供了一种具有触摸屏的手持设备。 如图 5 所示, 该具有触摸屏的手持设备包括壳体 4, 壳体 4中设有触摸屏 3。 参照图 3所示, 触摸屏 3 包括透明基板 31 , 在透明基板 31 的一个表面上设有 0LED 板结构图案 32, 0LED板结构图案 32用于实现显示功能, 在透明基板 31的另 一个相对表面上设有触控板结构图案 33, 触控板结构图案 33用于实现触控功 能, 且触控板结构图案 33朝向壳体 4的外部。 本实施例中的具有触摸屏的手持设备, 由于透明基板 31的一个表面上设 有 0LED板结构图案 32, 而另一个相对表面上设有触控板结构图案 33, 因此 0LED板结构图案 32和触控板结构图案 33能够共用该透明基板 31 , 这样节省 了对基板的使用, 从而使得 0LED板结构图案 32和触控板结构图案 33结合形 成的触摸屏 3具有较小的厚度和较低的成本。 其中需要说明的是,本实施例中所述触摸屏的结构和功能与上述实施例中 所述触摸屏的结构和功能相同, 在此不再赘述。 其中, 该具有触摸屏的手持设备可以为手机, 游戏机, MP 3、 MP4、 MP5播 放器, 个人数字助理(PDA )、 数码相框等。
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 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 以权利要求所述的保护范围为准。

Claims

权 利 要 求
1、 一种触摸屏, 其特征在于, 包括透明基板, 在所述透明基板的一个表 面上设有 0LED板结构图案, 所述 0LED板结构图案用于实现显示功能, 在所述 透明基板的另一个相对表面上设有触控板结构图案,所述触控板结构图案用于 实现触控功能。
2、 根据权利要求 1所述的触摸屏, 其特征在于, 所述透明基板为透明玻 璃基板、 透明石英基板或透明塑料基板。
3、 根据权利要求 1或 2所述的触摸屏, 其特征在于, 所述 0LED板结构图 案包括通过构图工艺依次在所述透明基板上成型的空穴传输层、 有机发光层、 电子传输层以及金属阴极层。
4、 根据权利要求 1或 2所述的触摸屏, 其特征在于, 所述触控板结构图 案包括通过构图工艺依次在所述透明基板上成型的柔性线路层或热压导电纸 层、 以及铟锡氧化物聚酯膜层。
5、 根据权利要求 4所述的触摸屏, 其特征在于, 在所述触控板结构图案 上设有透明保护层。
6、 一种具有触摸屏的手持设备, 其特征在于, 包括壳体, 所述壳体中设 有触摸屏,所述触摸屏包括透明基板,在所述透明基板的一个表面上设有 0LED 板结构图案, 所述 0LED板结构图案用于实现显示功能, 在所述透明基板的另 一个相对表面上设有触控板结构图案, 所述触控板结构图案用于实现触控功 能, 且所述触控板结构图案朝向所述壳体的外部。
7、 根据权利要求 6所述的具有触摸屏的手持设备, 其特征在于, 所述透 明基板为透明玻璃基板、 透明石英基板或透明塑料基板。
8、 根据权利要求 6或 7所述的具有触摸屏的手持设备, 其特征在于, 所 述 0LED板结构图案包括通过构图工艺依次在所述透明基板上成型的空穴传输 层、 有机发光层、 电子传输层以及金属阴极层。
9、 根据权利要求 6或 7所述的具有触摸屏的手持设备, 其特征在于, 所 述触控板结构图案包括通过构图工艺依次在所述透明基板上成型的柔性线路 / 热压导电纸层、 以及铟锡氧化物聚酯膜层。
1 0、 根据权利要求 9所述的具有触摸屏的手持设备, 其特征在于, 在所述 触控板结构图案上设有透明保护层。
PCT/CN2011/071215 2010-02-24 2011-02-24 触摸屏及具有该触摸屏的手持设备 WO2011103804A1 (zh)

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CN104035616B (zh) * 2014-06-09 2015-07-29 黑龙江八一农垦大学 一种使用二极管显示器的多点触控触摸屏
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