WO2015055003A1 - 一种ito薄膜及终端设备 - Google Patents

一种ito薄膜及终端设备 Download PDF

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Publication number
WO2015055003A1
WO2015055003A1 PCT/CN2014/077466 CN2014077466W WO2015055003A1 WO 2015055003 A1 WO2015055003 A1 WO 2015055003A1 CN 2014077466 W CN2014077466 W CN 2014077466W WO 2015055003 A1 WO2015055003 A1 WO 2015055003A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
terminal device
ito
pattern
ito film
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
Application number
PCT/CN2014/077466
Other languages
English (en)
French (fr)
Inventor
高原
靳宏志
韩高才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiaomi Inc
Original Assignee
Xiaomi Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiaomi Inc filed Critical Xiaomi Inc
Priority to RU2015122713A priority Critical patent/RU2619204C2/ru
Priority to JP2015542160A priority patent/JP2015534698A/ja
Priority to KR1020147021394A priority patent/KR20150055599A/ko
Priority to MX2014009071A priority patent/MX346991B/es
Priority to BR112014018437A priority patent/BR112014018437A8/pt
Priority to US14/471,627 priority patent/US20150109545A1/en
Publication of WO2015055003A1 publication Critical patent/WO2015055003A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Definitions

  • the present disclosure relates to the field of electronic technology, and more particularly to ⁇ films and terminal devices. Background technique
  • buttons area is also touch-enabled.
  • ITO film is an n-type semiconductor material with high electrical conductivity, high visible light transmittance, high mechanical hardness and good chemical stability. Therefore, it is the most commonly used thin film material for transparent electrodes of liquid crystal displays (LCDs), plasma displays (PDPs), electroluminescent displays (EL/OLEDs), touch panels (TouchPanel), solar cells, and other electronic instruments.
  • LCDs liquid crystal displays
  • PDPs plasma displays
  • EL/OLEDs electroluminescent displays
  • TouchPanel touch panels
  • solar cells and other electronic instruments.
  • the buttons in the button area are not lit when they are not touched, and will light up when touched.
  • a light guiding film is usually required.
  • the Light Guide Film (LGF) is a product that converts a point light source of a Light-Emitting Diode (LED) into a surface light source. Used in mobile phone keypad backlighting. It has the characteristics of ultra-thin, uniform illumination and variable color.
  • the present disclosure provides an ⁇ film and terminal device.
  • an ITO film comprising: a pattern for astigmatism.
  • the ⁇ film and the light guiding film are combined into one to reduce the thickness.
  • the ITO film includes: an ITO layer, a photoconductive material layer, and a PET layer, wherein the ITO layer and the photoconductive material layer are respectively attached to both sides of the PET layer, and the pattern is on the photoconductive material layer .
  • the embodiment of the present disclosure laminates the ITO layer and the layer of photoconductive material on the same PET layer to reduce the thickness.
  • the ITO film comprises: an ITO layer and a PET layer;
  • the PET layer has irregularities on the other side of the ITO layer, and the uneven spots form the pattern.
  • the embodiment of the present disclosure has a concave-convex point on one side of the PET layer, which saves the light-conducting material and further reduces the thickness of the ITO film.
  • a terminal device including:
  • the touch panel includes a transparent cover plate, an ITO film, and an LCD module;
  • the transparent cover plate is attached to the LCD module
  • the ITO film has a pattern for astigmatism and is attached to the transparent cover sheet, and the bonding position is located in a button area of the terminal device.
  • the ITO film with the pattern for astigmatism is located in the button area of the terminal device, which can reduce the thickness of the button area and make the button have better touch and display effects.
  • the portion of the pattern on the button of the button area is denser than the portion on the non-button.
  • Embodiments of the present disclosure improve display uniformity of light on a button by uneven distribution of patterns.
  • the terminal device further includes at least one illuminating member located at a side of the extending direction of the button region;
  • the pattern is denser in the portion farther from the illuminating member.
  • the embodiment of the present disclosure can further improve the display effect according to the position design pattern of the illuminating member.
  • the ITO film includes: an ITO layer, a photoconductive material layer, and a PET layer, wherein the ITO layer and the photoconductive material layer are respectively attached to both sides of the PET layer, and the pattern is on the photoconductive material layer .
  • the embodiment of the present disclosure laminates the ITO layer and the layer of photoconductive material on the same PET layer to reduce the thickness.
  • the layer of photoconductive material is bonded to the transparent cover sheet.
  • Embodiments of the present disclosure employ a layer of light-conducting material to be bonded to a transparent cover plate to facilitate circuit design with respect to the layer.
  • the ITO film comprises: an ITO layer and a PET layer, wherein the PET layer is adhered to the transparent cover sheet;
  • the side where the PET layer is bonded to the transparent cover sheet has irregularities, and the uneven spots form the pattern.
  • the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:
  • the embodiment of the present disclosure has a concave-convex point on one side of the PET layer, which saves the light-conducting material, and further reduces the thickness of the ITO film, wherein the transparent cover plate can be a protective glass;
  • the embodiment of the present disclosure adopts a protective glass, which has good transparency and simple process, and the ITO film is located between the transparent cover plate and the LCD module.
  • the embodiment of the present disclosure adopts the scheme to fully utilize the space, improve the space utilization rate, and reduce the thickness and length of the terminal device.
  • FIG. 1A is an exemplary schematic view of an ITO film according to an exemplary embodiment
  • FIG. 1A is an exemplary schematic diagram of an optical transmission according to an exemplary embodiment
  • FIG. 2A is a first exemplary side cross-sectional view of an ITO film, according to an exemplary embodiment
  • 2B is a second exemplary side cross-sectional view of an IT0 film according to an exemplary embodiment
  • FIG. 3 is a first exemplary schematic diagram of a terminal device according to an exemplary embodiment
  • FIG. 4A is a second exemplary schematic diagram of a terminal device according to an exemplary embodiment.
  • FIG. 4B is a third exemplary schematic diagram of a terminal device according to an exemplary embodiment.
  • FIG. 6 is a first exemplary schematic diagram of a pattern according to an exemplary embodiment
  • FIG. 7 is a second exemplary schematic diagram of a pattern, according to an exemplary embodiment.
  • FIG. 8 is an exemplary structural diagram of a terminal device according to an exemplary embodiment.
  • the embodiments of the present disclosure provide an ⁇ film and a terminal device, which will be described in detail below with reference to the accompanying drawings.
  • the ⁇ film and the light guiding film are combined into one to reduce the thickness.
  • the ITO film is an n-type semiconductor material based on a PET film.
  • PET film is also known as film high temperature polyester film. It has excellent physical properties, chemical properties and dimensional stability, transparency, and recyclability. It can be widely used in magnetic recording, photosensitive materials, electronics, electrical insulation, industrial film, packaging and decoration.
  • the light guiding film (LGF) is also based on the PET film. Therefore, the ITO film and the light guiding film can be combined into one to obtain an ITO film having a pattern for astigmatism.
  • the ITO film comprises: a pattern for astigmatism.
  • the ITO material portion is not shown in Fig. 1.
  • the ITO film includes: a PET layer 203, and the pattern 101 for astigmatism is realized on the basis of the PET layer 203.
  • the PET layer 203 is very thin, it still has a certain thickness, which is about 0.1 mm.
  • Under illumination at least a portion of the light 102 is totally reflected in the PET layer 203.
  • the light 102 is directly totally reflected on the upper and lower surfaces of the PET layer 203.
  • the incident angle or material density i.e., the refractive index
  • the light exiting position is the position of the pattern 101.
  • the manner of changing the incident angle is as follows: a pit, or a bump, or a pit and a bump (hereinafter referred to as a bump) are designed on the surface of the PET layer 203.
  • the incident angle when the light 102 is incident on the uneven point does not satisfy the condition of total reflection.
  • the manner in which the material density is changed is as follows: Other materials are printed on the surface of the PET layer 203 to form the pattern 101. The density of the printed material is greater than the material density of the PET layer 203.
  • the detailed structure of the ITO film can be understood by the following examples.
  • the ITO film 200 includes: an ITO layer 201, and a layer of photoconductive material 202. And the PET layer 203, the ITO layer 201 and the photoconductive material layer 202 are respectively attached to both sides of the PET layer 203, and the pattern is provided on the photoconductive material layer 202.
  • the ITO layer 201 is composed of a plurality of transparent electrodes 2011 of ITO material.
  • the shape and distribution of the transparent electrode 2011 are related to the electrical conductivity and can be designed according to actual needs.
  • the layer of photoconductive material 202 is comprised of light directing points 2021 of a plurality of light conducting materials.
  • the patterns of each of the light guiding points 2021 may be the same or different, and the distribution of the light guiding points 2021 may be uniform or uneven.
  • the area and shape of the light guiding point 2021 can be variously changed. When the light reaches the light guiding point 2021, total reflection and diffuse reflection occur, and the denser the pattern inside the light guiding point 2021, the denser the light guiding points 2021, the more light is reflected.
  • the material of the light guiding point 2021 may be an ink material that does not absorb light, and the light reflecting effect is good.
  • the material of the PET layer may be polycarbonate (Polycarbonate, PC) or PMMA resin.
  • the ⁇ film in the embodiment of the present disclosure can be applied to a terminal device to reduce the thickness of the terminal device.
  • the ITO film 200 includes: an ITO layer 201 and a PET layer 203.
  • the PET layer 203 has a concavo-convex point 2031 with respect to the other side of the ITO layer 201, and the concavo-convex point 2031 forms a pattern for astigmatism.
  • the side of the PET layer is designed with bumps, which saves the light-conducting material and further reduces the thickness of the ITO film.
  • the shapes of the pits and bumps are not limited to square, circular or other shapes.
  • the size of the pits and bumps may be the same or different.
  • the height of the pits and bumps is related to the reflection effect, depending on actual needs. Concave and convex surfaces of pits and bumps, which may be planes, curved faces or V-shaped faces.
  • the terminal device includes: a touch panel.
  • the touch panel comprises a transparent cover 302, an ITO film 200 and an LCD module 303;
  • the transparent cover 302 is attached to the LCD module 303.
  • the LCD module 303 includes a display area and a driving area.
  • the display area of the LCD module 303 is bonded to the transparent cover 302. Since the display area of the LCD module 303 is different from the thickness of the driving area, there is a gap between the driving area of the LCD module 303 and the transparent cover board 302.
  • the driving area of the LCD module 303 is located in the button area 301.
  • the ITO film 200 has a pattern for astigmatism and is bonded to the transparent cover plate 302, and the bonding position is located in the button area 301 of the terminal device.
  • the button area 301 includes icons of function keys such as a menu key, a back key, and a home screen key.
  • the menu button, the back button, and the home screen button are realized by the transparent electrode 2011 included in the ITO film 200.
  • the ITO film with the pattern for astigmatism is located in the button area of the terminal device, which can reduce the thickness of the button area and make the button have better touch and display effects.
  • the thickness may be too large to be placed in the gap between the driving region of the LCD module 303 and the transparent cover plate 302, so that the ITO film cannot be used at the button region 301.
  • the ITO film in this embodiment is thin, and the characteristics of the ITO film and the light guiding film are taken into consideration, so that it can be placed in the slit, thereby realizing the application of the ITO film at the key region 301.
  • the ITO film 200 is adhered to the transparent cover plate 302, as shown in FIG. 5, which is convenient for fixing the ITO thin film.
  • the ITO film 200 can be attached when the transparent cover sheet 302 is produced, and the process is simple.
  • the transparent cover plate 302 is a protective glass, has good transparency and hardness, and has a simple production process and low cost.
  • the germanium film 200 includes the light conductive material layer 202
  • the light conductive material layer 202 is bonded to the transparent cover plate 302 to facilitate circuit design with respect to the germanium layer.
  • the pattern on the enamel film 200 is denser on the button of the button area 301 than the part on the non-button, see figure
  • the display uniformity of the button glazing can be improved.
  • the germanium film 200 does not include the light conductive material layer 202, the PET layer 203 and the transparent cover plate
  • the side where the PET layer 203 is attached to the transparent cover plate 302 has irregularities which form the pattern.
  • the portion of the bump on the button of the button area 301 is denser than the portion of the button, which improves the display uniformity of the button glazing.
  • the terminal device further includes at least one illuminating member on the side in the extending direction of the button region 301.
  • the two illuminating members 304 and 305 are exemplified, and are located on both sides of the extending direction of the button region 301.
  • the illuminating members 304 and 305 may be LEDs (Light Emitting Diodes) or the like.
  • the light-emitting members 304 and 305 can be attached to the ITO film 200 to provide illumination for the button area 301, and the process is simple and the processing cost can be reduced.
  • the pattern on the ITO film 200 is denser in the portion farther from the light-emitting members 304 and 305, and the display effect can be further enhanced.
  • the pattern on the ITO film 200 can be seen in Fig. 7.
  • the PET layer 203 can be made of a color material.
  • FIG. 8 is a schematic structural diagram of a terminal device (which may be a requesting terminal or an associated terminal) according to an embodiment of the present invention.
  • Terminal device 800 can include communication unit 110, memory 120 including one or more computer readable storage media, input unit 130, display unit 140, sensor 150, audio circuit 160, wireless communication unit 170, including one or more The core processor 180, and the power supply 190 and the like are processed.
  • the core processor 180, and the power supply 190 and the like are processed.
  • the terminal device structure shown in the drawings does not constitute a limitation of the terminal device, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements. among them:
  • the communication unit 110 can be used for transmitting and receiving information and receiving and transmitting signals during a call.
  • the communication unit 110 can be a network communication device such as an RF (Radio Frequency) circuit, a router, a modem, or the like. Specifically, when the communication unit 110 is an RF circuit, the downlink information of the base station is received, and then processed by one or more processors 180; in addition, data related to the uplink is transmitted to the base station.
  • RF Radio Frequency
  • RF circuits as communication units include, but are not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, and a LNA (Low Noise Amplifier, low) Noise amplifier), duplexer, etc.
  • the communication unit no can also communicate with the network and other devices through wireless communication.
  • the wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA (Code Division Multiple Access).
  • the memory 120 can be used to store software programs and modules, and the processor 180 passes The software programs and modules stored in the memory 120 are executed to perform various functional applications and data processing.
  • the memory 120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to The data created by the use of the terminal device 800 (such as audio data, phone book, etc.) and the like.
  • memory 120 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, memory 120 may also include a memory controller to provide access to memory 120 by processor 180 and input unit 130.
  • Input unit 130 can be used to receive input numeric or character information, as well as to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.
  • input unit 130 can include touch-sensitive surface 131 as well as other input devices 132.
  • Touch-sensitive surface 131 also referred to as a touch display or trackpad, can collect touch operations on or near the user (eg, the user uses a finger, stylus, etc., on any touch-sensitive surface 131 or on the touch-sensitive surface 131 The operation near the touch-sensitive surface 131) and driving the corresponding connecting device according to a preset program.
  • the touch-sensitive surface 131 may include two portions of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information
  • the processor 180 is provided and can receive commands from the processor 180 and execute them.
  • the touch-sensitive surface 131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 130 can also include other input devices 132.
  • other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • Display unit 140 can be used to display information entered by the user or information provided to the user as well as various graphical user interfaces of terminal device 800, which can be constructed from graphics, text, icons, video, and any combination thereof.
  • the display unit 140 may include a display panel 141.
  • the display panel 141 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like.
  • the touch-sensitive surface 131 may cover the display panel 141, and when the touch-sensitive surface 131 detects a touch operation thereon or nearby, it is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 according to the touch event The type provides a corresponding visual output on display panel 141.
  • touch-sensitive surface 131 and display panel 141 are implemented as two separate components to implement input and input functions, in some embodiments, touch-sensitive surface 131 can be integrated with display panel 141 for input. And output function.
  • Terminal device 800 may also include at least one type of sensor 150, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 141 according to the brightness of the ambient light, and the proximity sensor may close the display panel 141 and/or when the terminal device 800 moves to the ear.
  • Backlighting As a kind of motion sensor, the gravity acceleration sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • terminal device 800 can also be configured with gyroscope, barometer, hygrometer, thermometer, infrared sensor Other sensors, such as the device, will not be described here.
  • the audio circuit 160, the speaker 161, and the microphone 162 provide an audio interface between the user and the terminal device 800.
  • the audio circuit 160 can transmit the converted electrical data of the received audio data to the speaker 161 for conversion to the sound signal output by the speaker 161; on the other hand, the microphone 162 converts the collected sound signal into an electrical signal by the audio circuit 160. After receiving, it is converted into audio data, and then processed by the audio data output processor 180, transmitted to the terminal device, for example, by the RF circuit 110, or outputted to the memory 120 for further processing.
  • the audio circuit 160 may also include an earbud jack to provide communication of the peripheral earphones with the terminal device 800.
  • the terminal device may be configured with a wireless communication unit 170, which may be a WIFI (Wireless Fidelity) module.
  • WIFI Wireless Fidelity
  • the terminal device 800 can help users to send and receive emails, browse web pages, and access streaming media through the wireless communication unit 170, which provides users with wireless broadband Internet access.
  • the wireless communication unit 170 is shown in the drawing, it is understood that it does not belong to the essential configuration of the terminal device 800, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 180 is the control center of the terminal device 800, which connects various portions of the entire handset using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 120, and recalling data stored in the memory 120.
  • the various functions and processing data of the terminal device 800 are executed to perform overall monitoring of the mobile phone.
  • the processor 180 may include one or more processing cores; for example, the processor 180 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 180.
  • the terminal device 800 also includes a power source 190 (e.g., a battery) that supplies power to various components.
  • a power source 190 e.g., a battery
  • the power source can be logically coupled to the processor 180 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • Power supply 190 may also include any one or more of a DC or AC power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
  • the terminal device 800 may further include a camera, a Bluetooth module, and the like, and details are not described herein.
  • the terminal device 800 includes: an ITO film having a pattern for astigmatism, the ITO film being located in a button area of the terminal device.
  • the portion of the pattern on the button of the button area is denser than the portion on the non-button.
  • the terminal device further includes at least one illuminating member located at a side of the extending direction of the button region;
  • the pattern is denser in the portion farther from the illuminating member.
  • the ITO film includes: an ITO layer, a photoconductive material layer, and a PET layer, wherein the ITO layer and the photoconductive material layer are respectively attached to both sides of the PET layer, and the pattern is on the photoconductive material layer .
  • the terminal device further includes a cover glass, and the ITO film is attached to the cover glass.
  • the layer of photoconductive material is bonded to the cover glass.
  • the terminal device further includes an LCD module, and the ITO film is located between the protection glass and the LCD module Between.
  • the mobile terminal of the present disclosure may be a variety of handheld terminal devices, such as mobile phones, personal digital assistants (PDAs), etc., and thus the scope of protection of the present disclosure should not be limited to a particular type of mobile terminal.
  • PDAs personal digital assistants

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Abstract

本公开是关于一种ITO薄膜及终端设备，涉及电子技术领域，可减少按键区的厚度。所述ITO薄膜包括用于散光的图案。

Description

一种 ITO薄膜及终端设备 本申请基于申请号为 2013104927106、 申请日为 2013/10/18的中国专利申请提出， 并 要求该中国专利申请的优先权， 该中国专利申请的全部内容在此引入本申请作为参考。 技术领域
本公开是关于电子技术领域， 尤其是关于 ιτο薄膜及终端设备。 背景技术
随着电子技术的发展， 全触摸屏的终端设备已很普及。 并且， 为了终端设备的整体美 观， 按键区域也实现了触摸式。
相关技术中， 不论是显示屏区还是按键区， 触摸方式的实现， 一个重要技术是掺锡氧 化铟 （IndiumTinOxide, ITO) 薄膜。 ITO薄膜是一种 n型半导体材料， 具有高的导电率、 高的可见光透过率、 高的机械硬度和良好的化学稳定性。 因此， 它是液晶显示器（LCD) 、 等离子显示器 （PDP) 、 电致发光显示器 （EL/OLED) 、 触摸屏 （TouchPanel) 、 太阳能 电池以及其他电子仪表的透明电极最常用的薄膜材料。
按键区的按键在不触碰时是不亮的， 当触碰时会亮起。 为了使各按键的亮度均衡， 通 常要有导光膜。 导光膜 （LGF) 是一种将发光二极管 （Light-Emitting Diode, LED) 的点 光源， 转换成面光源的一种产品。 应用于手机按键背光。 具有超薄， 发光均匀、 色彩多变 化等特点。
如果将 ITO薄膜与导光膜的层叠， 无疑会增加终端设备的厚度。 发明内容
为克服相关技术中存在的问题， 本公开提供一种 ιτο薄膜及终端设备。
根据本公开实施例的第一方面， 提供一种 ITO薄膜， 包括： 用于散光的图案。
本公开实施例将 ιτο薄膜与导光膜合二为一， 降低了厚度。
所述 ITO薄膜包括： ITO层、 光传导材料层和 PET层， 所述 ITO层和所述光传导材 料层分别贴合于所述 PET层的两侧， 在光传导材料层上有所述图案。
本公开实施例将 ITO层和光传导材料层贴合在同一 PET层上， 降低了厚度。
所述 ITO薄膜包括： ITO层和 PET层；
PET层相对于 ITO层的另一侧有凹凸点， 所述凹凸点形成所述图案。
本公开实施例将 PET层的一侧设计有凹凸点，节省了光传导材料， 可进一步降低 ITO 薄膜的厚度。
根据本公开实施例的第二方面， 提供一种终端设备， 包括：
触控面板； 所述触控面板包括透明覆盖板、 ITO薄膜和 LCD模组；
所述透明覆盖板与所述 LCD模组贴合；
所述 ITO薄膜带有用于散光的图案，且与所述透明覆盖板贴合， 贴合位置位于终端设 备的按键区。
本公开实施例将带有用于散光的图案的 ITO薄膜位于终端设备的按键区，可降低按键 区的厚度， 并且使按键有较好的触摸和显示效果。
所述图案在按键区的按键上的部分比非按键上的部分密集。
本公开实施例通过图案的不均匀分布提高按键上光的显示均匀性。
所述终端设备还包括至少一个发光件， 位于按键区伸展方向的侧面；
所述图案在距离发光件越远的部分越密集。
本公开实施例依据发光件位置设计图案， 可进一步提高显示效果。
所述 ITO薄膜包括： ITO层、 光传导材料层和 PET层， 所述 ITO层和所述光传导材 料层分别贴合于所述 PET层的两侧， 在光传导材料层上有所述图案。
本公开实施例将 ITO层和光传导材料层贴合在同一 PET层上， 降低了厚度。
所述光传导材料层与所述透明覆盖板贴合。
本公开实施例采用光传导材料层与透明覆盖板贴合， 便于关于 ιτο层的电路设计。 所述 ITO薄膜包括： ITO层和 PET层， 所述 PET层与所述透明覆盖板贴合；
PET层与所述透明覆盖板贴合的一侧有凹凸点， 所述凹凸点形成所述图案。 本公开的实施例提供的技术方案可以包括以下有益效果：
一方面， 本公开实施例将 PET 层的一侧设计有凹凸点， 节省了光传导材料， 可进一 步降低 ITO薄膜的厚度， 其中， 透明覆盖板可以为保护玻璃；
另一方面， 本公开实施例采用保护玻璃， 透明度好， 工艺实现简单， 所述 ITO薄膜位 于所述透明覆盖板与所述 LCD模组之间。
本公开实施例采用该方案可充分利用空间， 提高空间利用率， 降低终端设备的厚度和 长度。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本公开。 附图说明
此处的附图被并入说明书中并构成本说明书的一部分， 示出了符合本发明的实施例， 并与说明书一起用于解释本发明的原理。
在附图中- 图 1A是根据一示例性实施例示出的一种 ITO薄膜的示例性示意图；
图 1A是根据一示例性实施例示出的一种光传输的示例性示意图；
图 2A是根据一示例性实施例示出的一种 ITO薄膜的第一种示例性侧剖图； 图 2B是根据一示例性实施例示出的一种 IT0薄膜的第二种示例性侧剖图； 图 3是根据一示例性实施例示出的一种终端设备的第一种示例性示意图；
图 4A是根据一示例性实施例示出的一种终端设备的第二种示例性示意图； 图 4B是根据一示例性实施例示出的一种终端设备的第三种示例性示意图； 图 5是根据一示例性实施例示出的一种终端设备的第四种示例性示意图；
图 6是根据一示例性实施例示出的一种图案的第一种示例性示意图；
图 7是根据一示例性实施例示出的一种图案的第二种示例性示意图；
图 8是根据一示例性实施例示出的一种终端设备的示例性结构图。
通过上述附图， 已示出本公开明确的实施例， 后文中将有更详细的描述。 这些附图和 文字描述并不是为了通过任何方式限制本公开构思的范围，而是通过参考特定实施例为本 领域技术人员说明本公开的概念。 具体实施方式
为使本公开的目的、 技术方案和优点更加清楚明白， 下面结合实施方式和附图， 对本 公开做进一步详细说明。 在此， 本公开的示意性实施方式及其说明用于解释本公开， 但并 不作为对本公开的限定。
本公开实施例提供一种 ιτο薄膜及终端设备， 以下结合附图对本公开进行详细说明。 本公开实施例将 ιτο薄膜与导光膜合二为一， 降低了厚度。
本公开的发明人发现， ITO薄膜是一种 n型半导体材料， 其基于 PET膜。 PET膜又名 膜耐高温聚酯薄膜。它具有优异的物理性能、化学性能及尺寸稳定性、透明性、可回收性， 可广泛的应用于磁记录、感光材料、 电子、 电气绝缘、 工业用膜、 包装装饰等领域。 并且， 导光膜 （LGF) 也是基于 PET膜。 因此， 可以将 ITO薄膜与导光膜合二为一， 得到带有 用于散光的图案的 ITO薄膜。
在一个实施例中， 如图 1A所示， ITO薄膜包括： 用于散光的图案。 为了清晰的展示 出用于散光的图案， 图 1中未示出 ITO材料部分。
在一个实施例中， 如图 1B所示， ITO薄膜包括： PET层 203， 用于散光的图案 101 就在 PET层 203的基础上实现。虽然 PET层 203很薄，但是仍有一定的厚度，大概为 0.1mm。 在光照条件下，至少部分光 102在 PET层 203中发生全反射，如图 1B所示，光 102在 PET 层 203的上下两个表面直接进行全反射。 当需要有光射出 PET层 203时可改变入射角或 材质密度（即改变折射率） 。 本实施例中光射出位置为图案 101所在位置。 改变入射角的 方式如： 在 PET层 203 的表面设计凹点、 或凸点、 或凹点和凸点 （以下简称凹凸点） 。 光 102 射在凹凸点上时的入射角不满足全反射的条件即可。 改变材质密度的方式如： 在 PET层 203的表面印刷其它材料， 以形成图案 101。 印刷的材料的密度大于 PET层 203的 材料密度即可。 通过下面的实施例可了解 ITO薄膜的详细结构。
在一个实施例中， 如图 2A所示， ITO薄膜 200包括： ITO层 201、 光传导材料层 202 和 PET层 203， ITO层 201和光传导材料层 202分别贴合于 PET层 203的两侧，在光传导 材料层 202上有所述图案。
ITO层 201由多个 ITO材料的透明电极 2011组成。透明电极 2011的形状和分布与导 电性能有关， 可根据实际需要设计。
光传导材料层 202由多个光传导材料的导光点 2021组成。每个导光点 2021的图案均 可以相同或不同， 各导光点 2021的分布可以均匀或不均匀。 导光点 2021的面积和形状可 以有各种变化。光线照射到导光点 2021时发生全反射和漫反射， 导光点 2021内部的图案 越密集， 各导光点 2021之间越密集， 则反射的光线越多。 导光点 2021的材料可以是不吸 收光的油墨材料， 光反射效果较好。
PET层的材料可以采用聚碳酸酯 （Polycarbonate, PC) 或 PMMA树脂等。
本公开实施例中的 ιτο薄膜可应用在终端设备上， 以降低终端设备的厚度。
在一个实施例中， 如图 2B所示， ITO薄膜 200包括： ITO层 201和 PET层 203。 PET层 203相对于 ITO层 201的另一侧有凹凸点 2031， 凹凸点 2031形成用于散光的 图案。
将 PET层的一侧设计有凹凸点， 节省了光传导材料， 可进一步降低 ITO薄膜的厚度。 凹点和凸点的形状不限于方形、圆形或其它形状。凹点和凸点的大小可以相同或不同。 凹点和凸点的高度与反射效果有关， 视实际需要而定。 凹点和凸点的凹面和凸面， 可以是 平面、 弧形面或 V型面等。
在一个实施例中， 如图 3、 图 4A和图 4B所示， 终端设备包括： 触控面板。
触控面板包括透明覆盖板 302、 ITO薄膜 200和 LCD模组 303 ;
透明覆盖板 302与 LCD模组 303贴合； LCD模组 303包括显示区和驱动区， LCD模 组 303的显示区与透明覆盖板 302贴合。 由于 LCD模组 303的显示区与驱动区的厚度不 同， 所以 LCD模组 303的驱动区与透明覆盖板 302之间存在缝隙。 其中， LCD模组 303 的驱动区位于按键区 301。
ITO薄膜 200带有用于散光的图案， 且与透明覆盖板 302贴合， 贴合位置位于终端设 备的按键区 301。
按键区 301包括例如菜单键、 后退键和主屏幕键等功能按键的图标。 通过 ITO薄膜 200包括的透明电极 2011实现菜单键、 后退键和主屏幕键。
将带有用于散光的图案的 ITO薄膜位于终端设备的按键区， 可降低按键区的厚度， 并 且使按键有较好的触摸和显示效果。
如果采用 ITO薄膜和导光膜， 则因厚度过大而无法放在 LCD模组 303的驱动区与透 明覆盖板 302之间的缝隙中，导致无法在按键区 301处采用 ITO薄膜。而本实施例中的 ITO 薄膜较薄， 并且兼顾了 ITO薄膜和导光膜的特性， 因此可以置于该缝隙中， 从而实现在按 键区 301处应用 ITO薄膜。
本实施例中 ITO薄膜 200与透明覆盖板 302贴合， 参见图 5所示， 便于固定 ITO薄 膜的位置。 并且可以在生产透明覆盖板 302时粘贴 ITO薄膜 200， 工艺简单。 透明覆盖板 302为保护玻璃， 透明度和硬度均较好， 且生产工艺简单， 成本低。 如图 2Α所示， ΙΤΟ薄膜 200包括光传导材料层 202时， 光传导材料层 202与透明覆 盖板 302贴合， 便于关于 ΙΤΟ层的电路设计。
ΙΤΟ薄膜 200上的图案在按键区 301的按键上的部分比非按键上的部分密集， 参见图
6所示， 可提高按键上光的显示均匀性。
如图 2Β所示， ΙΤΟ薄膜 200不包括光传导材料层 202时， PET层 203与透明覆盖板
302贴合。 PET层 203与透明覆盖板 302贴合的一侧有凹凸点，所述凹凸点形成所述图案。 凹凸点在按键区 301的按键上的部分比非按键上的部分密集，可提高按键上光的显示均匀 性。
如图 4所示， 终端设备还包括至少一个发光件， 位于按键区 301伸展方向的侧面， 本 实施例以两个发光件 304和 305为例，位于按键区 301伸展方向的两侧。发光件 304和 305 可以是 LED (发光二极管） 等。 发光件 304和 305可附着在 ITO薄膜 200上， 为按键区 301提供照明， 并且实现工艺简单， 可降低加工成本。
ITO薄膜 200上的图案在距离发光件 304和 305越远的部分越密集， 可进一步提高显 示效果。 ITO薄膜 200上的图案可参见图 7所示。
为了实现按键的彩色效果， PET层 203可以采用彩色材料。
图 8是本发明实施例中终端设备 （可以是请求方终端或者相关联终端） 结构示意图。 终端设备 800可以包括通信单元 110、 包括有一个或一个以上计算机可读存储介质的 存储器 120、输入单元 130、显示单元 140、传感器 150、音频电路 160、无线通信单元 170、 包括有一个或者一个以上处理核心的处理器 180、 以及电源 190等部件。 本领域技术人员 可以理解， 图中示出的终端设备结构并不构成对终端设备的限定， 可以包括比图示更多或 更少的部件， 或者组合某些部件， 或者不同的部件布置。 其中：
通信单元 110可用于收发信息或通话过程中， 信号的接收和发送， 该通信单元 110可 以为 RF (Radio Frequency, 射频） 电路、 路由器、 调制解调器、 等网络通信设备。 特别 地， 当通信单元 110为 RF电路时， 将基站的下行信息接收后， 交由一个或者一个以上处 理器 180处理； 另外， 将涉及上行的数据发送给基站。 通常， 作为通信单元的 RF电路包 括但不限于天线、 至少一个放大器、 调谐器、 一个或多个振荡器、 用户身份模块 （SIM) 卡、 收发信机、 耦合器、 LNA (Low Noise Amplifier, 低噪声放大器） 、 双工器等。 此外， 通信单元 no还可以通过无线通信与网络和其他设备通信。所述无线通信可以使用任一通 信标准或协议， 包括但不限于 GSM (Global System of Mobile communication, 全球移动通 讯系统）、 GPRS (General Packet Radio Service,通用分组无线服务）、 CDMA (Code Division Multiple Access, 码分多址） 、 WCDMA (Wideband Code Division Multiple Access, 宽带 码分多址） 、 LTE (Long Term Evolution, 长期演进） 、 电子邮件、 SMS ( Short Messaging Service, 短消息服务）等。 存储器 120可用于存储软件程序以及模块， 处理器 180通过运 行存储在存储器 120的软件程序以及模块， 从而执行各种功能应用以及数据处理。存储器 120可主要包括存储程序区和存储数据区， 其中， 存储程序区可存储操作系统、 至少一个 功能所需的应用程序（比如声音播放功能、 图像播放功能等）等； 存储数据区可存储根据 终端设备 800的使用所创建的数据 （比如音频数据、 电话本等）等。 此外， 存储器 120可 以包括高速随机存取存储器， 还可以包括非易失性存储器， 例如至少一个磁盘存储器件、 闪存器件、 或其他易失性固态存储器件。 相应地， 存储器 120还可以包括存储器控制器， 以提供处理器 180和输入单元 130对存储器 120的访问。
输入单元 130可用于接收输入的数字或字符信息， 以及产生与用户设置以及功能控制 有关的键盘、 鼠标、 操作杆、 光学或者轨迹球信号输入。 例如， 输入单元 130可包括触敏 表面 131 以及其他输入设备 132。 触敏表面 131， 也称为触摸显示屏或者触控板， 可收集 用户在其上或附近的触摸操作（比如用户使用手指、 触笔等任何适合的物体或附件在触敏 表面 131上或在触敏表面 131附近的操作），并根据预先设定的程式驱动相应的连接装置。 可选的， 触敏表面 131可包括触摸检测装置和触摸控制器两个部分。 其中， 触摸检测装置 检测用户的触摸方位， 并检测触摸操作带来的信号， 将信号传送给触摸控制器； 触摸控制 器从触摸检测装置上接收触摸信息， 并将它转换成触点坐标， 再送给处理器 180， 并能接 收处理器 180发来的命令并加以执行。 此外， 可以采用电阻式、 电容式、 红外线以及表面 声波等多种类型实现触敏表面 131。 除了触敏表面 131， 输入单元 130还可以包括其他输 入设备 132。 例如， 其他输入设备 132可以包括但不限于物理键盘、 功能键 （比如音量控 制按键、 开关按键等） 、 轨迹球、 鼠标、 操作杆等中的一种或多种。
显示单元 140可用于显示由用户输入的信息或提供给用户的信息以及终端设备 800的 各种图形用户接口， 这些图形用户接口可以由图形、 文本、 图标、 视频和其任意组合来构 成。 显示单元 140可包括显示面板 141， 可选的， 可以采用 LCD (Liquid Crystal Display, 液晶显示器） 、 OLED (Organic Light-Emitting Diode, 有机发光二极管） 等形式来配置显 示面板 141。 进一步的， 触敏表面 131可覆盖显示面板 141， 当触敏表面 131检测到在其 上或附近的触摸操作后， 传送给处理器 180以确定触摸事件的类型， 随后处理器 180根据 触摸事件的类型在显示面板 141上提供相应的视觉输出。 虽然在图 11 中， 触敏表面 131 与显示面板 141是作为两个独立的部件来实现输入和输入功能， 但是在某些实施例中， 可 以将触敏表面 131与显示面板 141集成而实现输入和输出功能。
终端设备 800还可包括至少一种传感器 150， 比如光传感器、 运动传感器以及其他传 感器。 光传感器可包括环境光传感器及接近传感器， 其中， 环境光传感器可根据环境光线 的明暗来调节显示面板 141的亮度， 接近传感器可在终端设备 800移动到耳边时， 关闭显 示面板 141和 /或背光。作为运动传感器的一种， 重力加速度传感器可检测各个方向上（一 般为三轴）加速度的大小， 静止时可检测出重力的大小及方向， 可用于识别手机姿态的应 用 （比如横竖屏切换、 相关游戏、 磁力计姿态校准） 、 振动识别相关功能 （比如计步器、 敲击）等； 至于终端设备 800还可配置的陀螺仪、 气压计、 湿度计、 温度计、 红外线传感 器等其他传感器， 在此不再赘述。
音频电路 160、扬声器 161， 传声器 162可提供用户与终端设备 800之间的音频接口。 音频电路 160可将接收到的音频数据转换后的电信号， 传输到扬声器 161， 由扬声器 161 转换为声音信号输出； 另一方面， 传声器 162将收集的声音信号转换为电信号， 由音频电 路 160接收后转换为音频数据， 再将音频数据输出处理器 180处理后， 经 RF电路 110以 发送给比如另一终端设备， 或者将音频数据输出至存储器 120以便进一步处理。 音频电路 160还可能包括耳塞插孔， 以提供外设耳机与终端设备 800的通信。
为了实现无线通信，该终端设备上可以配置有无线通信单元 170，该无线通信单元 170 可以为 WIFI (Wireless Fidelity, 无线保真） 模块。 WIFI属于短距离无线传输技术， 终端 设备 800通过无线通信单元 170可以帮助用户收发电子邮件、浏览网页和访问流式媒体等， 它为用户提供了无线的宽带互联网访问。 虽然图中示出了无线通信单元 170， 但是可以理 解的是， 其并不属于终端设备 800的必须构成， 完全可以根据需要在不改变发明的本质的 范围内而省略。
处理器 180是终端设备 800的控制中心，利用各种接口和线路连接整个手机的各个部 分， 通过运行或执行存储在存储器 120 内的软件程序和 /或模块， 以及调用存储在存储器 120内的数据， 执行终端设备 800的各种功能和处理数据， 从而对手机进行整体监控。 可 选的， 处理器 180可包括一个或多个处理核心； 例如， 处理器 180可集成应用处理器和调 制解调处理器， 其中， 应用处理器主要处理操作系统、 用户界面和应用程序等， 调制解调 处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器 180 中。
终端设备 800还包括给各个部件供电的电源 190 (比如电池） ， 例如， 电源可以通过 电源管理系统与处理器 180逻辑相连， 从而通过电源管理系统实现管理充电、 放电、 以及 功耗管理等功能。 电源 190还可以包括一个或一个以上的直流或交流电源、 再充电系统、 电源故障检测电路、 电源转换器或者逆变器、 电源状态指示器等任意组件。
尽管未示出， 终端设备 800还可以包括摄像头、 蓝牙模块等， 在此不再赘述。
终端设备 800， 包括： 带有用于散光的图案的 ITO薄膜， 所述 ITO薄膜位于终端设备 的按键区。
所述图案在按键区的按键上的部分比非按键上的部分密集。
所述终端设备还包括至少一个发光件， 位于按键区伸展方向的侧面；
所述图案在距离发光件越远的部分越密集。
所述 ITO薄膜包括： ITO层、 光传导材料层和 PET层， 所述 ITO层和所述光传导材 料层分别贴合于所述 PET层的两侧， 在光传导材料层上有所述图案。
所述终端设备还包括保护玻璃， 所述 ITO薄膜与所述保护玻璃贴合。
所述光传导材料层与所述保护玻璃贴合。
所述终端设备还包括 LCD模组，所述 ITO薄膜位于所述保护玻璃与所述 LCD模组之 间。
此外， 典型地， 本公开所述的移动终端可为各种手持终端设备， 例如手机、 个人数字 助理 (PDA) 等， 因此本公开的保护范围不应限定为某种特定类型的移动终端。
尽管前面公开的内容示出了本公开的示例性实施例， 但是应当注意， 在不背离权利要 求限定的本公开的范围的前提下， 可以进行多种改变和修改。 此外， 尽管本公开的元素可 以以个体形式描述或要求， 但是也可以设想多个， 除非明确限制为单数。 以上所述的具体实施方式， 对本公开的目的、 技术方案和有益效果进行了进一步详细 说明， 所应理解的是， 以上所述仅为本公开的具体实施方式而已， 并不用于限定本公开的 保护范围， 凡在本公开的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均应包 含在本公开的保护范围之内。

Claims

权利要求
1. 一种 ITO薄膜， 其特征在于， 包括： 用于散光的图案。
2. 根据权利要求 1所述的 IT0薄膜， 其特征在于， 所述 IT0薄膜包括： ITO层、 光 传导材料层和 PET层， 所述 ITO层和所述光传导材料层分别贴合于所述 PET层的两侧， 在光传导材料层上有所述图案。
3. 根据权利要求 1所述的 ITO薄膜，其特征在于，所述 ITO薄膜包括： ITO层和 PET 层；
PET层相对于 ITO层的另一侧有凹凸点， 所述凹凸点形成所述图案。
4. 一种终端设备， 其特征在于， 包括：
触控面板；
所述触控面板包括透明覆盖板、 ITO薄膜和 LCD模组；
所述透明覆盖板与所述 LCD模组贴合；
所述 ITO薄膜带有用于散光的图案， 且与所述透明覆盖板贴合， 贴合位置位于终端 设备的按键区。
5. 根据权利要求 4所述的终端设备， 其特征在于， 所述图案在按键区的按键上的部 分比非按键上的部分密集。
6. 根据权利要求 4所述的终端设备， 其特征在于， 所述终端设备还包括至少一个发 光件， 位于按键区伸展方向的侧面；
所述图案在距离发光件越远的部分越密集。
7. 根据权利要求 4所述的终端设备， 其特征在于， 所述 ITO薄膜包括： ITO层、 光 传导材料层和 PET层， 所述 ITO层和所述光传导材料层分别贴合于所述 PET层的两侧， 在光传导材料层上有所述图案。
8. 根据权利要求 7所述的终端设备， 其特征在于， 所述光传导材料层与所述透明覆 盖板贴合。
9. 根据权利要求 4所述的终端设备，其特征在于，所述 ITO薄膜包括： ITO层和 PET 层， 所述 PET层与所述透明覆盖板贴合；
所述 PET层与所述透明覆盖板贴合的一侧有凹凸点， 所述凹凸点形成所述图案。
10. 根据权利要求 4所述的终端设备， 其特征在于， 所述透明覆盖板为保护玻璃。
11. 根据权利要求 4所述的终端设备， 其特征在于，所述 ITO薄膜位于所述透明覆盖 板与所述 LCD模组之间。
PCT/CN2014/077466 2013-10-18 2014-05-14 一种ito薄膜及终端设备 Ceased WO2015055003A1 (zh)

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