WO2014176712A1 - 显示模块、电子装置及应用于显示模块的方法 - Google Patents

显示模块、电子装置及应用于显示模块的方法 Download PDF

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Publication number
WO2014176712A1
WO2014176712A1 PCT/CN2013/000599 CN2013000599W WO2014176712A1 WO 2014176712 A1 WO2014176712 A1 WO 2014176712A1 CN 2013000599 W CN2013000599 W CN 2013000599W WO 2014176712 A1 WO2014176712 A1 WO 2014176712A1
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WO
WIPO (PCT)
Prior art keywords
display
sensing antenna
display panel
display module
module
Prior art date
Application number
PCT/CN2013/000599
Other languages
English (en)
French (fr)
Inventor
庄子玉
李芳庆
吕志宏
谢孟颖
Original Assignee
友达光电股份有限公司
晶钛国际电子股份有限公司
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 友达光电股份有限公司, 晶钛国际电子股份有限公司 filed Critical 友达光电股份有限公司
Priority to DE112013007015.4T priority Critical patent/DE112013007015T5/de
Publication of WO2014176712A1 publication Critical patent/WO2014176712A1/zh

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0017Casings, cabinets or drawers for electric apparatus with operator interface units
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0247Electrical details of casings, e.g. terminals, passages for cables or wiring
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055Reflecting element, sheet or layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly

Definitions

  • Display module electronic device and method applied to display module
  • the present invention relates to a display module having an inductive antenna, an electronic device provided with the display module, and a method applied to the display module.
  • NFC Near Field Communication
  • Another object of the present invention is to provide a display module and an electronic device that can be sensed from a display facing sensing antenna.
  • the display module includes a display panel, a backlight module, and a sensing antenna.
  • the backlight module has a light-emitting surface and a reflector opposite to the light-emitting surface, and the display panel is stacked on the light-emitting surface to receive the backlight emitted from the light-emitting surface.
  • the at least one sensing antenna comprises a body and two signal connecting ends connected to the two ends of the body, and is disposed on a side of the reflecting plate facing away from the light emitting surface; that is, the reflecting plate is opposite to one side of the light guiding plate.
  • the present invention further provides a display module, comprising: a display panel having a display surface and a bottom surface; wherein the bottom surface is opposite to the display panel; and at least one sensing antenna is located on the bottom surface, wherein the sensing antenna comprises a body And a plurality of signal terminals respectively connected to the two ends of the body; wherein a portion of the display panel overlaps the sensing antenna and is projected onto a plane having an overlapping area, and the metal coverage of the metal layer is not greater than the overlapping area 90%.
  • the invention further provides a display module, comprising a display panel; a signal connection circuit module connected to one end side of the display panel, and having a plurality of driving signal lines for transmitting signals to the display surface And the at least one sensing antenna is disposed on the signal connecting circuit module; wherein the sensing antenna comprises a body and two signal connecting ends respectively connected to the two ends of the body, and the sensing antenna and the driving signal line are electrically connected sexual insulation.
  • the present invention further provides a display module comprising: a substrate, a pair of substrates, and a display medium layer interposed between the substrate and the opposite substrate, the display panel defining a display area and surrounding the display panel a peripheral circuit area of the display area, the display area has a plurality of sub-pixels, each sub-pixel includes at least one signal line, at least one pixel electrode, and at least one switching element electrically connected to the pixel electrode and the signal line, wherein the signal a line, the pixel electrode and the switching element are disposed on the substrate; a plurality of contact pads are disposed on the peripheral line region and disposed on the substrate; and at least one sensing antenna is located on at least a portion of the peripheral line region, And the sensing antenna is disposed on the opposite substrate, wherein the sensing antenna comprises a body and two connecting ends respectively connected to the two ends of the body.
  • the electronic device includes the aforementioned display module, system circuit module, and conductive transport.
  • the system circuit module is disposed on the back side of the display module, that is, on the opposite side of the display surface.
  • the system circuit module has a signal connection portion that is disposed opposite to the signal connection end of the sensing antenna.
  • the conductive material is disposed between the system circuit module and the sensing antenna, and is electrically connected to the corresponding signal connecting portion and the signal connecting end for signal transmission.
  • the present invention also provides a method for applying to the foregoing display module, such that the frequency or bandwidth of the sensing antenna is less disturbed by the change in capacitance of the display panel during operation.
  • a signal is output to modulate the matching circuit of the sensing antenna.
  • the variable capacitor on the sensing antenna matching circuit modulates its capacitance after receiving the above signal, so that the frequency or bandwidth of the sensing antenna returns to the original working frequency band, and is reduced by the change of the capacitance of the display panel.
  • FIG. 2 is an exploded view of an embodiment of a display module of the present invention
  • Figure 3A is a schematic side view of the back side of the embodiment shown in Figure 2;
  • Figure 3B is a side view of the embodiment of Figure 2 - '
  • 4A is a schematic diagram including a range of calculated metal projection coverage rates
  • FIG. 4B is a schematic diagram showing a projection range of an inductive antenna
  • 4C is a relationship diagram of sensing distance and metal projection coverage
  • FIG. 5A is a schematic diagram of an embodiment of a display module including a back shell
  • Figure 5B is a graph showing the relationship between the sensing distance and the metal projection coverage
  • 5C is a schematic view of another display module embodiment including a back shell
  • FIG. 6A is a diagram showing the relationship between the sensing antenna on the display surface and the projection position on the display surface;
  • FIG. 6B is a diagram showing the projection position of the sensing antenna on the display surface and the display surface on the display surface in another embodiment.
  • FIG. 7A is a diagram showing that the display module includes a signal connection circuit module.
  • FIG. 7B to FIG. 7E are schematic diagrams showing a modified embodiment of the embodiment shown in FIG. 7A;
  • FIG. 8A is a schematic diagram of an embodiment in which an inductive antenna is disposed on a display panel substrate;
  • FIG. 8B is a cross-sectional view of the embodiment shown in FIG. 8A;
  • FIG. 9 is a schematic view of an embodiment of a display module including a carrier 600;
  • FIG. 10A to 10C are schematic views showing a modified embodiment of the embodiment shown in Fig. 9.
  • 11 is an exploded view of an embodiment of an electronic device.
  • FIG. 12 is a flow chart of an embodiment of a method for reducing interference of an inductive antenna according to the present invention. Wherein, the reference numeral
  • Display module 100 display panel
  • Display surface 103 display area
  • Peripheral line area 107 corresponding position
  • Switching element 190 conductive material
  • Backlight module 301 light emitting surface
  • the invention relates to a display module with an inductive antenna and an electronic device provided with the display module.
  • the display module preferably includes a non-self-illuminating type and a self-illuminating type display module.
  • the non-self-illuminating type display module may include, but is not limited to, a liquid crystal display module, an electrowetting display module or an electrophoretic display module, wherein the non-self-illuminating display module includes a backlight.
  • the self-luminous display module may include, but is not limited to, an organic light emitting display module or an inorganic light emitting display module, wherein the self-luminous display module does not include a backlight.
  • Electronic devices preferably include, but are not limited to, mobile phones, electronic watches, electronic glasses, handheld video game machines, electronic business cards/cards, digital photos, tablets, notebook computers, digital cameras, car display devices, multimedia televisions, personal Computer monitors, stereoscopic display devices, multi-view: multi-view: map navigators, electronic mirrors (mirr OT :>, electronic windows/windows, electronic poster boards or other personal or public electronic devices.
  • the device further includes electronic components, wherein the electronic components may include, but are not limited to, control components, operating components, processing components, input components, storage components, driving components, light emitting components, protection components, sensing components, detecting components, and photoelectric components.
  • the inductive antenna included in the present invention may include an antenna that receives or transmits signals or an antenna that receives or transmits energy; for example, a Near Field Communication (NFC) antenna, a wireless charging antenna, or other different types of antennas.
  • NFC Near Field Communication
  • the inductive antenna is preferably active or passive.
  • the active type preferably refers to itself to actively send out its own RF field to identify and read/write other near-field communication devices; passively prefers not to actively send out its own RF field, but in other near The RF field in the domain communication device responds passively in response to the message.
  • the display module 10 includes a display panel 100, a backlight module 300, and a sensing antenna 500.
  • the display panel 100 preferably includes a substrate 110, a counter substrate 120, and a display medium layer 130 interposed between the substrate 110 and the opposite substrate 120.
  • the substrate 110 is provided with a pixel electrode layer or other control circuit module for controlling the display medium layer 130; the outward side of the opposite substrate 120 is formed as a display surface 101 (as shown in FIG. 3B) ⁇ the opposite substrate 120
  • a color filter (not shown) is formed on the upper surface, but is not limited thereto.
  • the color filter layer may be disposed between the display medium layer 130 and the substrate 110, and may be referred to as a matrix on the color filter layer or a color filter layer on the matrix (color filter On array:).
  • the display panel 110 is preferably a liquid crystal display panel, so the display medium layer 130 is a liquid crystal layer, and the electric field driving the liquid crystal layer can be a horizontal electric field or/and a vertical electric field; but in different embodiments, the display medium Layer 130 can also be an electrophoretic display layer, an electrowetting display layer, or other non-self-emissive dielectric layer.
  • the backlight module 300 has a light-emitting surface 301 and a reflection plate 310 opposite to the light-emitting surface 301.
  • the display panel 100 is superposed on the light-emitting surface 301 with or without contact to receive the backlight emitted from the light-emitting surface 301.
  • the backlight module 300 can include an edge-lit or direct-lit design.
  • the backlight module adopts an edge-light design and includes an optical film 320, a light guide plate 330, a light source 340, and a reflection plate 310.
  • the optical film 320 is superposed on the light guide plate 330, which may be selected from, but not limited to, a polarizer, a brightness enhancement sheet, a diffusion sheet, or other suitable optical film, or a combination of at least two of the foregoing.
  • the light source 340 is disposed on a side of the light guide plate 330, and the reflective plate 310 is disposed on a bottom surface of the light guide plate 330.
  • the light generated by the light source 340 enters the light guide plate 330 from the side end surface, is reflected from the top surface of the light guide plate 330, and then passes through the optical film 320 to be emitted from the light exit surface 301.
  • the light exit surface 301 That is, it is formed on the outer side surface of the optical film 320 closest to the display panel 100.
  • some of the light emitted from the bottom surface of the light guide plate can be reflected back to the light guide plate 330 through the reflection of the reflective plate 310 to improve the utilization of light.
  • the sensing antenna 500 includes a body 510 and two signal connection ends 530 connected to the two ends of the body 510.
  • the sensing antenna 500 is preferably a toroidal coil and can be formed on a flexible circuit board or a printed circuit board; or directly formed on the surface of the substrate or board to be attached by various different processes.
  • the sensing antenna 500 is disposed on a side of the reflecting plate 310 facing away from the light emitting surface 301; that is, the reflecting plate 310 is opposite to one side of the light guiding plate 330.
  • the component of the reflective plate 310 is made of a polymer substrate coated with other colors or a polymer single layer/multilayer film for folding/reflecting light, and the material thereof comprises polyester (for example) : Polymethylmethacrylate (Poly (Methyl methacrylate), PMMA), Polycarbonate (PC), Methyl methacrylate Styrene, MS Polyethylene terephthalate (Poly (Ethylene) Terephthalate), PET), Poly(Ethylene Naphthalate, PEN) or other suitable materials) and polyenes (eg polystyrene (PS), polypropylene (Polypropylene) , PP) or other suitable material:), or other suitable material, or at least one of the foregoing materials or a copolymer thereof, but not limited to the above, and the physical properties and chemical properties of the above materials can be referred to the material safety data.
  • polyester for example: Polymethylmethacrylate (Poly (Methyl methacrylate), PMMA), Poly
  • a polymer monolayer/multilayer film for example, a monolayer film of polyethylene terephthalate, a multilayer film of polypropylene and polyethylene terephthalate
  • the reflector does not include a metal film or a metal alloy film, so that the reflector 310 does not shield the induced electromagnetic wave (or called the induced magnetic field line) of the sensing antenna 500, and when a sensing device approaches the display surface 101 and senses and transmits Or receiving data, which can be considered as sensing antenna 500 passing through display module 100 and exiting display surface 101.
  • the sensing antenna 500 is not shielded by the backlight module 300, and at least part of the outer surface of the sensing antenna 500 is exposed outside the backlight module 300, that is, before being combined with other components of the electronic device.
  • the sensing antenna 500 can be seen from the back side of the display module.
  • the inner surface of the sensing antenna 500 is a surface where the sensing antenna 500 is in contact with the reflecting plate 310.
  • the outer surface of the sensing antenna 500 is such that the sensing antenna 500 is not in contact with the reflecting plate 310.
  • the sensing antenna 500 preferably protrudes outside the surface of the reflective sheet 310, and more preferably protrudes outside the bottom surface of the backlight module 300 as a whole.
  • the signal connection terminal 530 of the sensing antenna 500 is connected to the system end for easy assembly, in a preferred embodiment, the signal connection end 530 of the sensing antenna 500 is located on the outward or exposed side of the sensing antenna 500.
  • the above design makes the metal shielding of the sensing antenna 500 on the back side lower, and thus the RF field generated by the sensing antenna 500 is less interfered, so that the sensing effect of the sensing antenna 500 can be improved. If the passive sensing antenna 500 is used, the design can also reduce the chance of the RF field being interfered by the external communication device, and thus the response of the sensing antenna 500 to the signal sent by the external communication device can be improved.
  • the outer surface of the sensing antenna 500 is covered by the shielding element, that is, the sensing antenna 500 has a shielding element underneath and the sensing antenna 500 is located between the reflecting plate and the shielding element, and when a sensing device approaches the display surface 101 And sensing and transmitting or receiving data can be considered as sensing antenna 500 passing through display module 100 and away from display surface 101. At this point, leave The intensity of the induced magnetic field lines of the display surface is greater than the strength of the magnetic lines of force leaving the shielding member (for example, the back cover).
  • the shielding element material comprises a reflective material, that is, an opaque conductive material, such as: a metal or a metal alloy, such as: a back shell (as shown in FIG.
  • the back shell is preferably the outermost shell of the electronic device (or the outermost shell:) without other housings Or a frame, the battery and the rigid printed circuit board (PCB) or other components are located under the sensing antenna 500 and between the back shell 400 and the sensing antenna 500.
  • the sensing antenna 500 is located between the display module 100 and the shielding element. between.
  • the display module 100 is in a portion between the display surface 101 and the body 510 of the sensing antenna 500, as shown by the dotted line in FIG. 4A, and a portion of the display panel overlaps the sensing antenna and has a projection onto a plane.
  • the overlap area within which the metal projection coverage (metal projection coverage percentage) of the metal layer is preferably less than about 90%, more preferably less than about 70%.
  • the metal projection coverage (Ac) preferably means that when the display panel in the display module 100 has a display surface and has a metal layer projected on a virtual plane, the projected area A2 of the laminated planar pattern formed by the metal layer is The percentage (%) of the projected area A1 of the sensing antenna 500 projected onto the virtual plane, ie
  • the display surface includes a display area and a peripheral line area, that is, the side of the display panel facing the user. That is, the display panel has a display area and a peripheral line area.
  • the metal layer preferably means that the signal transmission element/circuit included in the display module is made of a reflective material, that is, an opaque conductive material, such as a metal or metal alloy material.
  • the signal transmission component/line includes at least a scan line, a data line, a capacitor line, a connection line, a contact pad, a transistor, or other components or lines (eg, a power line, a reference potential line, a reflective electrode, a repair line, Capacitor electrodes, or other components or lines).
  • the metal projection coverage (Ac) refers to the projected area occupied by the metal layer (ie, the signal transmission element/line) in the projected area where the display module 100 is projected onto the virtual plane and overlaps the body 510 (A2 is displayed).
  • Figure 4B shows:
  • the denominator refers to the area (Al) of the sensing antenna projected onto the virtual plane. In this example, as shown in FIG.
  • the projection range (the dotted line range:) corresponding to the sensing antenna 500 is included.
  • the display panel 100 may include different layers such as a pixel electrode layer, a liquid crystal layer, a color filter layer, etc., and the display panel 100 includes one or more signal transmission lines. However, after the projection observation, the metal regions (layers) of the overlapping portions of the layers will not repeatedly calculate the projected area.
  • the metal projection coverage (Ac) is equal to the display area 103.
  • the projected area (A21) occupied by the metal layer (ie, the signal transmission element/line) in the projected area on the projected virtual plane and superimposed on the body 510 is added to the projection of the peripheral line area 105 on the virtual plane and superimposed on the body 510.
  • Projection area (Al), ie Ac (A2/Al)x l00%, and
  • the sensing antenna 500 is only superimposed on the display area 103, and the metal projection coverage (Ac) is equal to the metal layer in the projected area of the display area 103 projected on the virtual plane and overlapping the body 510 (ie, The projected area (A2X) of the transparent conductive or non-conductive material in the projected area of the projection module 100 projected onto the virtual plane and superimposed on the body 510, and the projected area (A2) of the signal transmission element/line)
  • the denominator of Ac refers to the projected area (Al) of the sensing antenna projected onto the virtual plane. which is
  • the inductive antenna 500 is a toroidal coil, it is cast
  • the area of the shadow range preferably refers to the total area of the toroidal coil itself and the enclosed area.
  • the test data shown in FIG. 4C shows that when the metal projection coverage between the sensing antenna 500 and the display surface 101 is less than about 90%, the area corresponding to the sensing antenna 500 can be sensed by about 0.1 cm from the display surface. The sensing antenna 500 is sent to the information and energy.
  • the sensing antenna 500 When the metal projection coverage between the sensing antenna 500 and the display surface 101 is less than about 70% in the corresponding area of the sensing antenna 500, the sensing antenna 500 can be sensed and information or energy can be sensed at a position about 1 cm from the display surface. transfer.
  • the technical content of the metal projection coverage mentioned in this example can also be applied to other embodiments to be described later, and is hereby described.
  • Fig. 5A shows a modified embodiment of the embodiment shown in Fig. 2.
  • the display module 100 further includes a back shell 400 covering one side of the reflecting plate 310 facing away from the light emitting surface 301.
  • the back shell 400 preferably refers to a metal piece that increases the structural strength of the display module 100 or an outermost casing of the display module 100, all of which are made of a metal or metal alloy material; however, in various embodiments, the back shell 400 It can also be made of other materials.
  • the back shell 400 preferably has at least one opening 303 corresponding to the position of the sensing antenna 500, and the opening 303 at least partially exposes the surface of the sensing antenna 500. Preferably, the opening 303 completely exposes the surface of the inductive antenna 500.
  • the sensing antenna 500 can also protrude outside the back casing 400 via the opening 303, so that the signal connecting end 530 is connected to the back end after the module is assembled.
  • the sensing antenna 500 can be located between the shielding element and the reflector 310, and in order not to affect the signal receiving or transmitting of the sensing antenna 500, the shielding component, such as: the back shell has an opening 303, and other shielding Components, such as batteries or/and rigid printed circuit boards, do not overlap the inductive antenna 500. Therefore, in addition to the sensing device approaching the display surface 101 and sensing and transmitting or receiving data, the induced electromagnetic wave (or induced magnetic field line:) of the sensing antenna 500 can pass through the reflective plate and the display module 100 and exit the display surface 101.
  • the measuring device can also approach the back shell 400 and sense and transmit or receive data, so that the induced electromagnetic wave (or induced magnetic field line) of the sensing antenna 500 can further pass through the back shell 400, thereby adding more sensing intensity to the user. Convenience.
  • the metal projection coverage rate (Ac) is equal to (A2/Al) x l00%, and the numerator refers to the projected area of the back plane 400 projected on the virtual plane and overlaps with the body 510 ( ⁇ 2), and the denominator refers to the sensing antenna.
  • the shielding component such as: the back shell has an opening 303, and other shielding components, such as a battery or a rigid printed circuit board, are not connected to the sensing antenna. 500 superimposed.
  • the back shell 400 may not be provided with at least one opening 303.
  • the material of the back shell at this time is made of metal or metal alloy, such as glass or polymer.
  • the metal projection coverage (Ac) is equal to (A2/Al) xl00%
  • the numerator refers to the projected area ( ⁇ 2) where a part of the shielding element is projected onto the virtual plane and overlaps with the body 510
  • the denominator refers to the sensing antenna 500 projected onto the virtual plane.
  • the projected area of the battery and the rigid printed circuit board in the shielding element projected onto the virtual plane and superposed on the body 510 are respectively A21 and A22.
  • the metal projection coverage of the other embodiments of the above two paragraphs is preferably less than about 98%.
  • the test data shown in Fig. 5B shows that when the metal projection coverage of the projection area of the sensing antenna 500 on the shielding element is less than about 98%, it is about 0.1 cm from the display surface.
  • the sensing antenna 500 can be sensed and information or energy can be The amount of transmission.
  • the sensing antenna 500 can be sensed and the information or energy can be transmitted at a position about 1 cm from the display surface.
  • Figure 5C shows another variation of the embodiment of Figure 2.
  • the display module 10 in addition to the back cover 400, the display module 10 further includes a signal connection circuit module 700 for signal connection with the display panel 100, and provides a signal to the display panel 100 to display the image signal.
  • the connection circuit module 700 is preferably flexible.
  • One end of the circuit board is electrically connected to the other end of the display panel 10G, and is bent between the sensing antenna 500 and the back shell 400.
  • the sensing antenna 500 can be slightly isolated from the back shell 400, so that the RF field or the induced magnetic field generated by the sensing antenna 500 actively or passively is less affected by the metal component (layer) in the back shell 400.
  • the sensing antenna 500 senses that the magnetic lines of force can be separated from the display surface of the display panel 100. Open, and then enhance the effect of induction.
  • the sensing magnetic lines of the sensing antenna 500 can be further separated from the side of the back shell 400.
  • the signal connection terminal 530 of the sensing antenna 500 can also be electrically connected to the connection line on the signal connection circuit module 700 to transmit information to the system end through the signal connection circuit module 700.
  • the display panel 100 can be defined or divided into a display area 103 and a peripheral line area 105 surrounding the display area 103.
  • the projected position of the sensing antenna 500 on the display surface 101 may be only within the display area 105, at the same time as the edge of the display area 105 and the peripheral line edge or only within the peripheral line area 103.
  • the image content of the display panel 100 can also be correlated with the projection position of the sensing antenna 500 on the display area 103.
  • the corresponding content 107 of the sensing antenna 500 may be displayed in the image content of the display panel 100 to display specific content to inform the user to use the external sensing device to sense or receive data at the corresponding position 107; or when When the user senses and receives or transmits data using the external sensing device at the corresponding position 107, the system-side processing device connected to the sensing antenna 500 can perform the next operation.
  • a plurality of sensing antennas 500 may be disposed on the back side to correspond to the plurality of corresponding positions 107, so that the displayed images may be in different corresponding positions 107.
  • the system-side processing device knows the user's selection according to the response of the sensing antenna 500, and performs further processing according to the response. .
  • Fig. 7A shows another embodiment of the display module of the present invention.
  • the display module 10 includes a display panel 100, a signal connection circuit module 700, and a sensing antenna 500.
  • the display panel 100 may be a non-self-illuminating panel or a self-illuminating panel, and preferably has a substrate 110, a counter substrate 120, and a display medium layer 130 interposed between the substrate 110 and the counter substrate 120.
  • the display medium layer 130 may be a non-self-luminous material layer such as a liquid crystal layer, an electrophoretic layer or an electrowetting layer; or a self-luminous material layer such as an organic light emitting material layer or an inorganic light emitting material layer.
  • the signal connection circuit module 700 is signally connected to the display panel 100, and a plurality of driving signal lines 710 are disposed thereon to transmit signals to the display panel 100 to display images.
  • the signal connection circuit module 700 is preferably made of a flexible circuit board and electrically connected to one end side of the display panel 100; however, in different embodiments, the signal connection circuit module 700 may also be a hard printed circuit board (or Rigid printed circuit board:).
  • the signal connection circuit module 700 includes a system side connector 730 electrically connected to the driving signal line 710 at an end away from the display panel 100 to transmit a control signal from the signal source to the display panel 100. As shown in FIG.
  • the sensing antenna 500 is disposed on the signal connecting circuit module 700, and has a body 510 and a signal connecting end 530.
  • the sensing antenna 500 is electrically insulated from the driving signal line 710 to reduce mutual interference.
  • the signal connection circuit board 700 can be divided into two area driving signal line areas 701 and the sensing antenna area 70, the driving signal line 710 and the sensing antenna 500 are respectively formed as the driving signal line area 701 and the sensing antenna area 703. Conductive lines inside.
  • the sensing antenna 500 is also electrically connected to the system end connector 730 to share the system end connector 730 with the driving signal line 710 and the system end for signal transmission.
  • 7B to 7D show a modified embodiment of the embodiment shown in Fig. 7A.
  • a gap 707 is formed between the driving signal line region 701 and the sensing antenna region 703 to isolate the driving signal line region 701 and the sensing antenna region 703 from each other to further reduce electromagnetic interaction between each other. interference.
  • the signal connection circuit module 700 includes a first circuit board 751 and a second circuit board 752.
  • the driving signal line 710 is disposed on the first circuit board 751.
  • the sensing antenna 500 is formed on the second circuit board. 752 is attached to the first circuit board 751, and the second circuit board 752 is at least partially located in the projection surface of the first circuit board 751; that is, the second circuit board 752 at least partially overlaps the first circuit board 751.
  • the sensing antenna 500 and the driving signal line 710 can be placed in different layers with a flexible circuit board interposed therebetween for isolation.
  • the driving signal line 710 on the signal connecting circuit board 700 is relatively simple in design, and the area of the signal connecting circuit board 700 can be reduced.
  • the signal connection circuit module 700 also includes a first circuit board 751 and a second circuit board 752.
  • the driving signal line 710 is disposed on the first circuit board 751; the sensing antenna 500 is formed on the second circuit board 752.
  • the first circuit board 751 and the second circuit board 752 are spaced apart from each other at the same end to be separated from each other, and are each connected to the display panel 100. With this design, electromagnetic interference between the driving signal line 710 and the sensing antenna 500 can be effectively reduced.
  • the signal connection circuit module 700 is preferably folded back to the back of the display panel 100 to reduce the overall volume of the display module.
  • the panel in the display module 10 is a liquid crystal display panel, and the backlight module 300 is overlapped with the display panel 100. Therefore, the signal connection circuit module 700 can be folded back to the back side of the backlight module 300. . If the panel self-illuminating panel in the display module does not particularly require a backlight module, the signal connection circuit module 700 can preferably be folded back to the back of the display panel 100.
  • the portion of the backlight module 300 and the display panel 100 between the display surface 101 and the body 510 of the sensing antenna 500 or the display panel 100 is in front of the body 510 of the sensing antenna 500.
  • the display panel overlaps the sensing antenna and has a overlapping area projected onto a plane, wherein the metal projection coverage of the metal layer is preferably less than about 90%, more preferably less than about 70%.
  • metal projection coverage percentage, %:
  • Fig. 8A shows another embodiment of the display module of the present invention.
  • the display module 10 includes a display panel 100 and an inductive antenna 500.
  • the display panel 100 can be a non-self-illuminating panel or a self-luminous panel, and preferably has a substrate 110, a counter substrate 120, and a display medium layer 130 interposed between the substrate 110 and the opposite substrate 120.
  • the display medium layer 130 may be a non-self-luminous material layer, such as a liquid crystal layer, an electrophoretic layer, or an electrowetting layer.
  • the non-self-illuminating panel requires a backlight in the backlight module to be disposed under the panel, that is, a non-self-illuminating panel.
  • the backlight module is superimposed; or a self-luminous material layer, such as an organic light-emitting material layer or an inorganic light-emitting material layer, wherein the self-luminous type panel does not particularly require a backlight in the backlight module.
  • the display panel 100 can also be defined or divided into a display area 103 and a peripheral line area 105 surrounding the display area 103, and the display surface includes a display area and a peripheral line area, that is, the display panel faces the user. That side.
  • the display area 103 has a plurality of sub-pixels 180.
  • Each of the sub-pixels 180 includes at least one signal line 181, at least one pixel electrode 183, and at least one switching element 185 electrically connected to the pixel electrode 183 and the signal line 181, respectively.
  • the signal line 181, the pixel electrode 183 and the switching element 185 are all disposed on the substrate 110.
  • the color filter layer is preferably formed on the opposite substrate 120. In other embodiments, the color filter layer can be disposed on the substrate.
  • the electric field control of the display medium layer of the non-self-luminous panel may use a horizontal electric field or/and a vertical electric field.
  • At least one inductive antenna 500 is disposed on at least a portion of the peripheral line region 105 and on the opposite substrate 120.
  • the sensing antennas 500 are arranged in accordance with the area in which the peripheral line area 105 is located.
  • the sensing antenna 500 is located on an inner surface of the opposite substrate 120 facing the inner surface of the substrate 110; however, in various embodiments, the sensing antenna 500 may also be located on the opposite surface of the opposite substrate 120.
  • the sensing antenna 500 preferably surrounds the display area 103 to form a loop antenna.
  • the one or more sensing antennas 500 may be loop antennas, but form at least a portion of the peripheral line region 105.
  • the display module further includes a plurality of contact pads 800 disposed on the peripheral line region 105 and preferably on the substrate 110.
  • the contact pad 800 can be divided into two parts: a first group 810 and a second group 820; the contact pads 800 in the first group 810 pass through the corresponding signal line 181 and sub-pixels in the display area 103. 180 is electrically connected, and the contact pads 800 in the second group 820 are preferably not connected to the sub-pixels 180, such as test or more reserved dummy pads (Dummy Pad:).
  • the display panel 100 further includes at least two conductive materials 190 disposed between the substrate 110 and the opposite substrate 120.
  • the conductive material 190 is preferably a conductive paste, and the surface of the polymer body is covered with a conductive material. , a conductive polymer body, or other similar materials, or a mixture of the above.
  • the conductive material 190 is located in the peripheral line region 105 and electrically connected to the connection pad 800 of the second group 820 and the signal connection terminal 530 of the sensing antenna 500 to transmit signals from the line on the substrate 110 to the opposite substrate 120.
  • the sensing antenna 500 transmits the signal received by the sensing antenna 500 to the line on the substrate 110 and then to the back end, for example, via the signal connecting circuit module 700 connected to the substrate 110 and then transmitted to the system end.
  • the induced magnetic lines of force of the inductive antenna 500 of this embodiment can be separated from the display surface of the display panel 100, that is, the outer surface of the opposite substrate 120, thereby enhancing the effect of sensing.
  • the embodiment can be referred to the above embodiment.
  • the display module includes a display panel 100, one or more carriers 600, and one or more sensing antennas 500.
  • the display panel 100 is preferably a non-self-luminous display panel such as a liquid crystal display panel, a carrier 600 and a portion of the display panel 100.
  • the carrier 600 surrounds the display panel 100, and the display panel 100 is preferably stacked on the back side of the carrier 600. on.
  • the sensing antenna 500 can be disposed in the carrier 600 or disposed between the carrier 600 and the display panel 100.
  • the inductive antenna 500 is preferably formed as a toroidal coil and thus may also be distributed around the display panel 100 along the carrier 600.
  • the backlight module 300 is preferably disposed on the back side of the display panel 100. Therefore, the carrier 600 is preferably partially sandwiched between the display panel 100 and the backlight module 300. If the display module is a self-luminous display module, and no special backlight module is required, the carrier 600 is disposed on the back side of the display panel 100.
  • the carrier 600 is disposed between the display panel 100 and the backlight module 300 in the form of a sealant.
  • the backlight module 300 has a light-emitting surface 301, and the carrier 600 is located on the light-emitting surface 301 and distributed along the edge of the light-emitting surface 301 to form a frame shape.
  • the carrier 600 may not be arranged in a frame shape, and may be a straight strip, an L shape or a U shape according to design requirements.
  • the back side of the display panel 100 is superposed on the carrier 600 and combined with the backlight module 300 through the carrier 600.
  • the sensing antenna 500 includes a conductive adhesive layer to be formed as a partial carrier 600 or attached to the carrier 600.
  • the sensing antenna 500 is preferably located in the projection surface of the display panel 100. In its In its embodiment, the sensing antenna 500 may also be located outside the display panel or partially within the display panel and another portion outside of the display panel.
  • the conductive adhesive layer preferably contains an organic polymer as a main component or a carrier, and further contains a conductive component.
  • the material of the organic polymer is preferably selected from the group consisting of epoxy resin, silicone resin, polyimide resin, phenolic resin, polyurethane, acrylic resin, combinations of the above, or other suitable materials, wherein the physical properties of the above polymer materials See the Material Safety Data Sheet for compatibility.
  • the electrically conductive component is preferably selected from the group consisting of gold, silver, copper, aluminum, zinc, iron, nickel, graphite, combinations of the foregoing, or other suitable materials or electrically conductive compounds.
  • the organic polymer can be used with or without adhesion.
  • the induced magnetic lines of force of the inductive antenna 500 of this embodiment can be separated from the display surface of the display panel 100, thereby enhancing the effect of sensing.
  • the embodiment can be referred to the above embodiment.
  • Fig. 10A is a modified embodiment of the embodiment shown in Fig. 9.
  • the carrier 600 includes a sidewall 610 and a support flange 63 ⁇ supporting the flange 630 extending from the sidewall 610 toward the center of the panel (or extending in the direction of the panel or extending along the horizontal plane:).
  • the display panel 100 is superposed on the top surface 631 of the support flange 630 to support the display panel 100 from the edge of the display panel 100.
  • the side wall 610 has a bottom surface 611 that preferably protrudes beyond the bottom of the support flange 630, as shown in Figure 10A; however, in various embodiments, the bottom surface 611 may also be flush with the bottom of the support flange 630.
  • the sensing antenna 500 is distributed between the carrier 600 and the display panel 100.
  • the sensing antenna 500 may be attached or otherwise disposed on the top surface 631 of the support flange 630 or attached to the bottom surface of the display panel 100 corresponding to the top surface 631 of the support flange 630; but in different embodiments
  • a groove 633 may be formed on the top surface of the support flange 630, and the sensing antenna 500 is disposed in the groove 633.
  • a through hole 601 may be selectively disposed in the supporting flange 630 and the side wall 610.
  • a portion of the sensing antenna 500 may extend into the through hole 601, so that the signal connecting end 530 is exposed to the bottom surface of the side wall 610; When the antenna 500 is actively designed, this setting will facilitate signal connection to the system side. When the sensing antenna 500 adopts a passive design, the through hole 601 may not be disposed in the supporting flange 630 and the side wall 610.
  • the housing 410 is preferably formed with at least one opening 355 corresponding to the signal connection end 530, so that the signal connection end 530 is connected to the system end signal through the opening 355.
  • the sensing antenna 500 can be embedded in the carrier 600 by different processes such as in-mold ejection, and the signal connection end 530 of the sensing antenna is exposed on the bottom surface of the sidewall 610.
  • FIGS. 10A to 10C are preferably provided with a back shell (also referred to as a casing, a back cover: ) 400 to cover the display module 100 and the carrier 600 described above. If the magnetic field lines of the sensing antenna 500 can be further removed from the side of the back shell 400, the embodiment can be referred to the above embodiment.
  • FIG. 11 is a schematic view showing an embodiment of an electronic device of the present invention.
  • the electronic device preferably includes the display module 10, the system circuit module 880, and the conductive transport 890 of any of the foregoing embodiments.
  • the system circuit module 880 is preferably disposed on the back side of the display module 10, that is, on the opposite side of the display surface 101.
  • the system circuit module 880 preferably has a signal connection 881 disposed opposite the signal connection 530 of the sense antenna 500.
  • the conductive transmission 890 is disposed between the system circuit module 880 and the sensing antenna 500, and is electrically connected to the corresponding signal connecting portion 881 and the signal connecting end 530 for signal transmission.
  • Conductive transport 890 preferably may comprise different separable or non-separable electrical connection interfaces such as connection pads, connectors, connection terminals, solder, and the like.
  • the system circuit module 880 and the display module 10 need to be assembled when assembling the electronic device, that is, The signal connection portion 881 and the signal connection terminal 530 can be automatically brought into contact and electrically connected.
  • the system circuit module 880 is preferably a rigid printed circuit board or a flexible circuit board. The induced magnetic lines of force of the sensing antenna 500 of this embodiment can be separated from the display surface of the display panel 100, thereby enhancing the effect of sensing.
  • step 1210 it is determined in step 1210 whether the sensing antenna 500 senses a change in capacitance of the display panel 100.
  • a signal is output in step 1230 to modulate the matching circuit of the sensing antenna 500.
  • step 1250 the variable capacitor on the matching circuit of the sensing antenna 500 modulates the capacitance after receiving the signal, so that the frequency or bandwidth of the sensing antenna returns to the original working frequency band, and the capacitance of the display panel 100 is reduced. The impact of change.
  • FIG. 1 is a schematic diagram showing an experimental comparison example of the present invention in which a near field communication antenna is disposed on an electronic device.
  • the electronic device as an experimental comparative example includes a display module 1, a back cover (or casing) 3, a near field communication antenna 5, and a battery 7.
  • the near field communication antenna 5 is disposed on the inner surface of the back cover 3, and is covered (or referred to as a stack:) with a battery 7 and combined with the upper display module 1 to constitute an electronic device.
  • the display surface of the display module cannot be sensed, and only the side of the back cover 3 can be sensed.
  • the experimental comparative example of the present invention must be inducted from the back cover 3 side to be inconsistent with the habits of the general user, and is rather troublesome. , and the induced magnetic field lines are not strong or unstable.
  • the proposed display module can comprise an inductive antenna therein.
  • the method proposed by the present invention can make the frequency or bandwidth of the sensing antenna less disturbed by the change in capacitance of the display panel during operation.
  • the present invention provides a design that reduces the metal shielding of the sensing antenna on the back side, and therefore less interference with the RF field generated by the sensing antenna, thereby improving the sensing effect of the sensing antenna.
  • the design proposed by the present invention can also reduce the chance of interference of the RF field emitted by the external communication device, thereby improving the response of the sensing antenna to signals from the external communication device.

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Abstract

一种显示模块(10)、包含其的电子装置及应用于显示模块(10)的方法。显示模块(10)包含显示面板(100)、背光模块(300)及感应天线(500)。背光模块(300)具有出光面(301)及与出光面(301)相对的反射板(310),显示面板(100)叠设于出光面(301)上。感应天线(500)包含有本体(510)及与本体(510)二端连接的二个信号连接端(530),并设置于反射板(310)背向出光面(301)的一面。电子装置包含显示模块(10)、系统电路模块(880)及导电传输物(890)。系统电路模块(880)设置于显示模块(10)的背侧,且具有信号连接部(881)。信号连接部(881)与感应天线(500)的信号连接端(530)位置相对且信号连接。应用于显示模块(10)的方法能使感应天线(500)的频率不受显示面板(100)电容的改变而变化。

Description

显示模块、 电子装置及应用于显示模块的方法
技术领域
本发明关于一种具感应天线的显示模块、设有此显示模块的电子装置及应 用于显示模块的方法。
近年来, 各式电子装置中所使用与其他装置间的无线通讯方式日益多元 化。 除了传统经常使用的 WIFI、 蓝牙等无线通讯协议外, 近域通讯 (Near Field Communication, NFC)技术亦越发成熟, 已渐渐成为可实际使用于电子装置上 的装置间通讯技术。
然而, 随着各式电子装置的功能复杂, 其内部的元件亦随之增加, 然在体 积受限的设计需求下, 近域通讯天线的设置位置亦日益受到压縮及使用者习 惯, 因此, 需要重新设计的必要。 发明公开
本发明的一目的在于提供一种显示模块, 可包含感应天线于其内。
本发明的另一目的在于提供一种显示模块及电子装 可自显示面对感应 天线进行感应。
显示模块包含显示面板、 背光模块及感应天线。 背光模块具有出光面及与 出光面相对的反射板, 显示面板则叠设于出光面上, 以接收自出光面射出的背 光。 至少一感应天线包含有本体及与本体二端连接的二个信号连接端, 并设置 于反射板背向出光面的一面; 亦即反射板相反于导光板的一面。
本发明还提供一种显示模块, 包含一显示面板, 具有一显示面及一底面; 其中该底面与该显示面板背对; 以及至少一感应天线, 位于该底面, 其中, 该 感应天线包含有一本体以及分别与该本体二端连接的二个信号连接端; 其中, 部分该显示面板与该感应天线重叠且投影至一平面具有一重叠面积,位于该重 叠面积内该金属层的金属涵盖率不大于 90%。
本发明另提供一种显示模块, 包含一显示面板; 一信号连接电路模块, 连 接于该显示面板的一端侧, 且其具有多条驱动信号线路传输信号至该显示面 板; 以及至少一感应天线, 设置于该信号连接电路模块上; 其中, 该感应天线 包含有一本体以及分别与该本体二端连接的二个信号连接端, 且该感应天线与 该驱动信号线路电性绝缘。
本发明又提供一种显示模 ±夬 包含一显示面板, 包含一基板、一对向基板、 一显示介质层夹设于该基板与该对向基板间, 该显示面板定义有一显示区及围 绕该显示区的一周边线路区, 该显示区具有多个子像素, 每个子像素包含至少 一信号线、至少一像素电极以及至少一切换元件分别电性连接该像素电极与该 信号线, 其中, 该信号线、 该像素电极与该切换元件设置于该基板上; 多个接 触垫, 位于该周边线路区上, 且其设置于该基板上; 以及至少一感应天线, 位 于该周边线路区至少一部分上, 且其设置于该对向基板上, 其中, 感应天线包 含有一本体以及分别与该本体二端连接的二个连接端。
电子装置包含前述的显示模块、 系统电路模块及导电传输物。 系统电路模 块设置于显示模块的背侧, 亦即显示面的相反侧。 系统电路模块具有信号连接 部, 设置与感应天线的信号连接端位置相对。 导电传输物设置于系统电路模块 与感应天线之间, 并分别电连接相对应的信号连接部及信号连接端, 以进行信 号传递。
本发明亦提供一种应用于前述显示模块的方法,可使得感应天线的频率或 频宽较不受显示面板于操作时的电容量改变干扰。首先判断感应天线是否感应 到显示面板的电容量改变。 当感应到显示面板的电容量改变时, 则输出一信号 以调变感应天线的匹配电路。感应天线匹配电路上的可变电容在接收上述信号 后调变其电容量, 使得感应天线的频率或频宽回到原工作频段, 而降低其受到 显示面板电容量改变的影响。 國麵兑日月
图 1为本发明实验比较例的电子装置示意图 ·,
图 2为本发明显示模块的实施例元件爆炸图;
图 3A为图 2所示实施例的背侧示意图;
图 3B为图 2所示实施例的侧面示意图 ·'
图 4A为包含计算金属投影涵盖率范围的示意图;
图 4B为显示感应天线投影范围的示意图; 图 4C为感应距离与金属投影涵盖率的关系图; 图 5A为包含背壳的显示模块实施例示意图;
图 5B为感应距离与金属投影涵盖率的关系图;
图 5C为包含背壳的另一显示模块实施例示意图;
图 6A为显示面上感应天线与显示面上投影位置的关系图; 图 6B为另一实施例中显示面上感应天线与显示面上投影位置的关 图 7A为显示模块包含信号连接电路模块的实施例示意图; 图 7B至图 7E为图 7A所示实施例的变化实施例示意图;
图 8A为感应天线设在显示面板基板上的实施例示意图; 图 8B为图 8A所示实施例的剖面示意图;
图 9为包含承载体 600的显示模块实施例示意图;
图 10A至图 10C为图 9所示实施例的变化实施例示意图 ·'
图 11为电子装置的实施例元件爆炸图 ·,
图 12为本发明中降低感应天线受干扰方法的实施例流程图。 其中, 附图标记
显示模块 100 显示面板
显示面 103 显示区
周边线路区 107 对应位置
基板 120 对向基板
显示介质层 180 子像素
信号线 183 像素电极
切换元件 190 导电传输物
背光模块 301 出光面
开口 310 反射板
光学膜片 330 导光板
光源 355 开口
背壳 410 壳体
感应天线 510 本体
信号连接端 600 承载体 601 贯通孔 610 侧壁
611 底面 630 支撑凸缘
631 顶面 633 沟槽
700 信号连接电路模块 701 驱动信号线路区
703 感应天线区 707 间隙
710 驱动信号线路 730 系统端连接器
751 第一电路板 752 第二电路板
800 接触垫 810 第一群
820 第二群 880 系统电路模块
881 信号连接部 890 导电传输物 实现本发明的最佳方式
本发明涉及一种具感应天线的显示模块及设有此显示模块的电子装置。显 示模块较佳包含非自发光型及自发光型的显示模块 非自发光型的显示模块可 包含但不限于液晶显示模块、 电湿润显示模块或电泳显示模块, 其中非自发光 型显示模块包含背光源, 而自发光型显示模块可包含但不限于有机发光显示模 块或无机发光显示模块, 其中自发光型显示模块不包含背光源。 电子装置较佳 包含但不限于移动电话、 电子手表、 电子眼镜、 掌上型电子游戏机、 电子名片 /卡片、 数字相片、 平板电脑、 笔记本电脑、 数字相机、 车用型显示装置、 多 媒体电视、 个人电脑监视器、 立体显示装置、 多方视角显示装置 (multi-view:)、 地图导航器、 电子镜子 (mirrOT:>、 电子橱窗 /窗、 电子海报板或其他个人或公用 电子装置。 上述的电子装置共通地更包含电子元件, 其中, 电子元件可包含但 不限于控制元件、 操作元件、 处理元件、 输入元件、 存储元件、 驱动元件、 发 光元件、 保护元件、 感测元件、 侦测元件、 光电转换元件、 光伏打元件、 或其 它功能元件、 或依照上述的显示模块的类型而有前述至少二种元件的组合。
本发明中所包含的感应天线可包含接收或发送信号的天线或者是接收或 发送能量的天线; 例如近域通讯 (Near Field Communication, NFC)天线、 无线充 电天线或其他不同类型的天线。 此外, 感应天线较佳可为主动式或被动式。 以 近域通讯天线为例, 主动式较佳指本身主动发出自己的射频场去识别和读 /写 别的近域通讯设备; 被动式较佳则指不主动发出自己的射频场, 而是在其他近 域通讯设备发出的射频场中被动响应以回应信息。
在图 2所示的实施例中, 显示模块 10包含显示面板 100、 背光模块 300 及感应天线 500。 显示面板 100较佳包含基板 110、 对向基板 120及夹设在基 板 110及对向基板 120间的显示介质层 130。 基板 110上较佳设有像素电极层 或其他控制电路模块, 以对显示介质层 130进行控制; 对向基板 120向外的一 面形成为显示面 101(如图 3B所示) ^对向基板 120上则较佳形成有彩色滤光层 (color filter, 未标示:), 但不限于此。 在其它实施例中, 彩色滤光层可设置于显 示介质层 130与基板 110之间,可称为矩阵于彩色滤光层上 (array on color filter) 或彩色滤光层于矩阵上 (color filter on array:)。 在此实施例中, 显示面板 110较 佳为液晶显示面板, 因此显示介质层 130为液晶层, 而驱动液晶层的电场可为 水平电场或 /及垂直电场; 但在不同实施例中, 显示介质层 130亦可为电泳显 示层、 电湿润显示层或其他非自发光型的介质层。 背光模块 300具有出光面 301及与出光面 301相对的反射板 310, 显示面板 100则以接触或不接触的方 式叠设于出光面 301上, 以接收自出光面 301射出的背光。 背光模块 300可包 含侧光式或直下式的设计。 在本实施例中, 背光模块采用侧光式的设计, 且包 含光学膜片 320、 导光板 330、 光源 340及反射板 310。 光学膜片 320叠设于 导光板 330上, 其可选自但不限于偏光片、 增亮片、 扩散片、 或其它合适的光 学膜片、 或上述至少二种的组合。 光源 340设置于导光板 330的侧边, 而反射 板 310则设置于导光板 330的底面。光源 340产生的光线自侧边端面进入导光 板 330, 经反射后自导光板 330的顶面射出, 再通过光学膜片 320后自出光面 301出射; 换言之, 在本实施例中, 出光面 301即形成于最接近显示面板 100 的光学膜片 320的外侧面。 此外, 部分自导光板底面射出的光线则可经反射板 310的反射再回到导光板 330内, 以提高光的利用率。
如图 2、 图 3A及图 3B所示, 感应天线 500包含有本体 510及与本体 510 二端连接的二信号连接端 530。 感应天线 500较佳为环形线圈, 并可形成于可 挠性电路板或印刷电路板上;亦可直接以各式不同工艺直接形成于欲附着的基 板或板材表面上。 本实施例中感应天线 500设置于反射板 310背向出光面 301 的一面; 亦即反射板 310相反于导光板 330的一面。 其中, 制造反射板 310 的成份为高分子聚合物基材涂上其它颜色涂漆或是高分子聚合物单层 /多层 膜, 以用来折 /反射光线, 其材料包含聚酯类 (例如: 聚甲基丙烯酸甲酯 (Poly(Methyl methacrylate) , PMMA)、 聚碳酸酯树脂 (Poly carbonate, PC)、 甲 基丙烯酸甲酯聚苯乙烯 ((Methyl methacrylate)Styrene, MS) 聚对苯二甲酸二 乙酯 (Poly(Ethylene Terephthalate) , PET), 聚萘二甲酸乙二醇酯 (Poly(Ethylene Naphthalate), PEN)或其它合适的材料)及聚烯类 (;例如: 聚苯乙烯 (Polystyrene, PS), 聚丙烯 (Polypropylene, PP)或其它合适的材料:)、 或其它合适的材料、 或 前述至少一种材料或其共聚合物体, 但不以上述为限, 且上述材料的物性与化 性可参阅材料安全数据数据表 (MSDS:)。 举例而言, 较佳地, 高分子聚合物单 层 /多层膜, 例如: 聚对苯二甲酸二乙酯的单层膜、 聚丙烯与聚对苯二甲酸二 乙酯的多层膜, 而反射板不包含金属膜或金属合金膜, 以使得反射板 310不会 遮蔽感应天线 500的感应电磁波 (或称为感应磁力线:), 而当一感测装置接近显 示面 101且进行感应并传递或接收数据, 而可视为感应天线 500穿过显示模块 100并离开显示面 101。在此实施例中, 由于反射板 310外侧未再加设有背壳 (或 称机壳 (housing)或背盖 (rear cover)或外壳 (outer shell)), 因此若正视背光模块 300背面的角度看来 (如图 3A所示), 感应天线 500未被背光模块 300所遮蔽, 而至少部分感应天线 500的外表面裸露于背光模块 300外,亦即在未与电子装 置的其他元件组合前, 可自显示模块的背侧看到感应天线 500, 其中, 感应天 线 500的内表面为感应天线 500与反射板 310接触的表面, 感应天线 500的外 表面为感应天线 500与反射板 310不接触的表面, 且内表面背对于外表面。 另 以图 3B的侧视角度观之, 感应天线 500较佳外凸于反射片 310的表面外, 更 佳为外凸于背光模块 300整体的底面之外。 此外, 若感应天线 500的信号连接 端 530为了便于组装后与系统端进行信号连接, 则在较佳实施例中, 感应天线 500的信号连接端 530位于感应天线 500朝向外或裸露的一面上。
以主动式的感应天线 500而言, 上述的设计使得感应天线 500在背侧的金 属遮蔽降低, 因此对于感应天线 500产生的射频场也较少干扰, 因此可提升感 应天线 500的感应效果。 若以被动式的感应天线 500而言, 此一设计亦可降低 外部通讯设备发出的射频场被干扰的机会, 因此亦可提升感应天线 500对于外 部通讯设备发出信号的响应效果。 在其它实施例中, 感应天线 500外表面被遮 蔽元件所遮艇 即感应天线 500的下方有遮蔽元件且感应天线 500位于反射板 与遮蔽元件之间时,而当一感测装置接近显示面 101且进行感应并传递或接收 数据, 可视为感应天线 500穿过显示模块 100并离开显示面 101。 此时, 离开 该显示面的感应磁力线强度大于离开遮蔽元件 (例如: 该背盖)的磁力线强度。 虽然, 感应天线 500的上下方皆有感应磁力线, 但是对于感应天线 500的上方 的感应磁力线而言,感应天线 500的下方的感应磁力线不管会不会经由任何的 元件反射, 皆会破坏性干涉感应天线 500的上方的感应磁力线, 而让感应天线 500的上方的感应磁力线变弱。 因此, 感应天线 500上方或下方的感应磁力线 要分别视之, 而不可互换或等同之。 遮蔽元件材料包含反射材料, 即不透光的 导电材料, 例如: 金属或金属合金所制成, 例如: 背壳 (如图 5C所示, 可为电 子装置的外壳或电子装置的背盖) 电池、 刚性印刷电路板 (PCB 或其它元件、 或上述至少二种的组合。 背壳较佳可为电子装置最外层壳体 (或称为最外层机 壳:)不会有其它的壳体或框, 则电池与刚性印刷电路板 (PCB)或其它元件, 皆位 于感应天线 500之下, 且位于背壳 400与感应天线 500之间。 而感应天线 500 就位于显示模块 100与遮蔽元件之间。
在较佳实施例中, 显示模块 100在显示面 101及感应天线 500本体 510 间的部分, 如图 4A中虚线标示的范围, 其部分该显示面板与该感应天线重叠 且投影至一平面具有一重叠面积,位于该重叠面积内该金属层的金属投影涵盖 率 (金属投影涵盖百分比:)较佳低于约 90%, 更佳为低于约 70%。 金属投影涵盖 率 (Ac)较佳指以显示模块 100中的显示面板具有一显示面且其具有一金属层于 一虚拟平面上进行投影时, 金属层所形成叠合平面图案的投影面积 A2与感应 天线 500投影至虚拟平面上的投影面积 A1的百分比 (%), 即
Ac=(A2/Al)xl00%。 其中, 显示面包含显示区与周边线路区, 即显示面板面对 着使用者的那一面。 也就是说, 显示面板具有显示区与周边线路区。 金属层较 佳是指显示模块中所具有的信号传输元件 /线路以反射材料, 即不透明导电材 料所制成, 例如: 金属或金属合金材料所制成。 一般而言, 信号传输元件 /线 路至少包含扫描线、 数据线、 电容线、 连接线、 接触垫、 晶体管、 或其它的元 件或线路 (例如: 电源线、 参考电位线、 反射电极、 修补线、 电容电极、 或其 它的元件或线路)。 也就是说, 金属投影涵盖率 (Ac)的分子指显示模块 100投 影至虚拟平面且与本体 510叠合的投影面积内金属层 (即信号传输元件 /线路) 所占的投影面积 (A2 而显示模块 100投影至虚拟平面且与本体 510叠合的投 影面积内的透明导电或不导电材料所占的投影面积 (A2X)以及显示模块 100不 与本体 510叠合的其它投影面积 (Ax, 如图 4B所示: ), 就忽略不列计算, Ac 的分母指感应天线投影至虚拟平面的面积 (Al)。 在本例中, 如图 4B所示, 当 自显示面 101正向对显示模块 100进行如 X光或其他方式的透视观察时, 对 应于感应天线 500的投影范围 (虚线范围:)中布有金属层的部分投影面积与感应 天线 500投影范围的投影面积的百分比 (%), 即为金属投影涵盖率。 以显示区 103内而言, 显示面板 100会包含有像素电极层、 液晶层、 彩色滤光层等不同 层 以周边线路区 105而言,显示面板 100则包含有一或多层的信号传输线路, 然而在投影观察之后, 各层重叠部分的金属区域 (层)将不会重复计算其投影面 积。在此实施例中, 以一个感应天线 500皆与部份的显示区 103叠合以及与部 份的周边线路区 105叠合为范例, 则金属投影涵盖率 (Ac)的分子就等于显示区 103投影虚拟平面上且与本体 510叠合的投影面积内金属层 (即信号传输元件 / 线路)所占的投影面积 (A21)加上周边线路区 105投影虚拟平面上且与本体 510 叠合的投影面积内金属层 (即信号传输元件 /线路)所占的投影面积 (A22), 而显 示模块 100与周边线路区 105投影至虚拟平面且与本体 510叠合的投影面积内 的透明导电或不导电材料所占的投影面积 (A2X)以及显示模块 100不与本体 510叠合的其它投影面积 (Ax, 如图 4B所示: ), 就忽略不列计算, Ac的分母指 感应天线投影至虚拟平面的投影面积 (Al), 即 Ac=(A2/Al)x l00%, 且
Figure imgf000010_0001
在其它实施例中, 感应天线 500仅与显示区 103叠合, 则金属 投影涵盖率 (Ac)的分子就等于显示区 103投影虚拟平面上且与本体 510叠合的 投影面积内金属层 (即信号传输元件 /线路)所占的投影面积 (A21)内, 而显示模 块 100投影至虚拟平面且与本体 510叠合的投影面积内的透明导电或不导电材 料所占的投影面积 (A2X)以及显示模块 100不与本体 510叠合的其它投影面积 (Ax, 如图 4B所示: ), 就忽略不列计算, Ac的分母指感应天线投影至虚拟平面 的投影面积 (Al), 即 Ac=(A2/Al)x l00%, 且 A2=A21或者是感应天线 500仅 与周边线路区 105叠合, 则金属投影涵盖率 (Ac)的分子就等于周边线路区 105 投影虚拟平面上且与本体 510叠合的投影面积内金属层 (即信号传输元件 /线路) 所占的投影面积 (A22), 而周边线路区 105投影至虚拟平面且与本体 510叠合 的投影面积内的透明导电或不导电材料所占的投影面积 (A2X)以及显示模块 100不与本体 510叠合的其它投影面积 (Ax, 如图 4B所示: ), 就忽略不列计算, Ac的分母指感应天线投影至虚拟平面的投影面积 (Al), 即
Ac=(A2/Al)x l00%, 且 A2=A22。 此外, 当感应天线 500为环形线圈时, 其投 影范围的面积较佳指环形线圈本身及所围成区域的总面积。 如图 4C所示的测 试数据显示, 当感应天线 500所对应区域在感应天线 500及显示面 101间的金 属投影涵盖率小于约 90%时, 则离显示面约 0.1公分的位置即可感测到感应天 线 500并进行信息或能量的传递。 当感应天线 500所对应区域在感应天线 500 及显示面 101间的金属投影涵盖率小于约 70%时,则离显示面约 1公分的位置 即可感测到感应天线 500并进行资讯或能量的传递。 此外, 本例中所提的金属 投影涵盖率相关技术内容亦可适用于后述的其他各实施例中, 特此说明。
图 5A所示为图 2所示实施例的变化实施例。 在本例中, 显示模块 100更 包含背壳 400覆盖于反射板 310背向出光面 301的一面。背壳 400较佳指增加 显示模块 100结构强度的金属件或显示模块 100的最外层机壳 (housing), 上述 皆由金属或金属合金材料制成; 然而在不同实施例中, 背壳 400亦可由其他材 质所制成。 在本实施例中, 背壳 400对应于感应天线 500的位置较佳形成有至 少一个开口 303, 开口 303至少部分暴露感应天线 500的表面。 较佳地, 开口 303可完全暴露出感应天线 500的表面。 换言之, 以正视的方向来看背壳 400 时, 可自开口 303看到感应天线 500的至少部分表面。 因此虽然感应天线 500 没有突出背壳 400, 亦不会影响感应天线 500进行信号接收或发送。 此外, 在 不同实施例中, 感应天线 500亦可经由开口 303突出背壳 400外, 以利信号连 接端 530在模块组装后与后端进行信号连接。 在此实施例时, 感应天线 500 可位于遮蔽元件与反射板 310之间, 且为了不影响感应天线 500进行信号接收 或发送, 则遮蔽元件, 如: 背壳除了有开口 303外, 其它的遮蔽元件, 如电池 或 /及刚性印刷电路板, 皆不会与感应天线 500叠合。 因此, 除了感测装置接 近显示面 101且进行感应并传递或接收数据则感应天线 500的感应电磁波 (或 称感应磁力线:)可穿过反射板与显示模块 100并离开显示面 101之外, 感测装 置亦可接近背壳 400且进行感应并传递或接收数据, 则感应天线 500的感应电 磁波 (或称感应磁力线:)更可穿过背壳 400离开, 而增加更多的感应强度与使用 者的方便性。
然而在不同实施例中, 为了考虑背壳 400的开口 303大小对于感应天线 500的影响, 则需要设计感应天线 500被开口所暴露出的百分比 (%), 即以金 属投影涵盖率 (Ac)来设计。 金属投影涵盖率 (Ac)等于 (A2/Al)x l00%, 分子指背 壳 400投影虚拟平面上且与本体 510叠合的投影面积 (Α2), 分母指感应天线 500投影至虚拟平面上面积 A1, 即 Ac=(A2/Al)xl00%, 而背壳 400投影虚拟 平面上且不与本体 510叠合的其它投影面积 (Ax), 就忽略不列计算。 此时, 为 了不影响感应天线 500进行信号接收或发送, 则遮蔽元件, 如: 背壳除了有开 口 303外, 其它的遮蔽元件, 如电池或 /及刚性印刷电路板, 皆不会与感应天 线 500叠合。 在其它实施例背壳 400亦可不设有至少一开口 303, 则此时的背 壳的材料就用选用不含金属或金属合金所制成的, 例如: 玻璃或高分子聚合 物。 此时就必需要考虑遮蔽元件 (例如: 电池或 /及刚性印刷电路板:)所放置的位 置, 而需要设计感应天线 500被遮蔽元件所遮蔽的百分比 (%), 即以金属投影 涵盖率 (Ac)来设计。 金属投影涵盖率 (Ac)等于 (A2/Al)xl00%, 分子指部份遮蔽 元件投影至虚拟平面上且与本体 510叠合的投影面积 (Α2), 分母指感应天线 500投影至虚拟平面上面积 A1, 即 Ac=(A2/Al)xl00%, 其中 A2=A21+A22, 而遮蔽元件投影虚拟平面上且不与本体 510叠合的其它投影面积 (Ax 就忽略 不列计算。 也就是说, 遮蔽元件中的电池与刚性印刷电路板其中至少一者投影 至虚拟平面上且与本体 510叠合的投影面积分别为 A21与 A22。 当电池与刚 性印刷电路板皆与本体 510叠合时, A2=A21+A22; 当电池与刚性印刷电路板 其中一个与本体 510叠合时, A2=A21或 A2=A22。 该段上述二者其它实施例 的金属投影涵盖率较佳低于约 98%, 更佳为低于约 96%。 如图 5B所示的测试 数据显示, 当感应天线 500在遮蔽元件上投影区域的金属投影涵盖率小于约 98%时, 则离显示面约 0.1公分的位置即可感测到感应天线 500并进行信息或 能量的传递。当感应天线 500在遮蔽元件上投影区域的金属投影涵盖率小于约 96%时, 则离显示面约 1公分的位置即可感测到感应天线 500并进行信息或能 量的传递。
图 5C所示为图 2所示实施例的另一变化实施例。 在本例中, 除背壳 400 夕卜, 显示模块 10另包含有信号连接电路模块 700与显示面板 100信号连接, 并提供信号给显示面板 100以显示影像信号连接电路模块 700较佳由可挠性 电路板所制成一端电连接于显示面板 10G另一端则弯折设置于感应天线 500 及背壳 400之间。 通过此一设置, 可使得感应天线 500略与背壳 400隔离, 以 使得感应天线 500主动发出或被动响应产生的射频场或感应磁场较不受背壳 400中的金属成份 (层)影响。 因此, 当一感测装置接近显示面 101且进行感应 并传递或接收数据, 则感应天线 500感应磁力线可从显示面板 100的显示面离 开, 进而提升感应的效果。 当然, 若为了能够让感测装置接近背壳 400且进行 感应并传递或接收数据, 则感应天线 500的感应磁力线更可从背壳 400侧离 开, 此实施方式可参阅上述实施例所述。 此外, 在较佳实施例中, 感应天线 500的信号连接端 530亦可与信号连接电路模块 700上的连接线路通过接触产 生电连接, 以通过信号连接电路模块 700向系统端传送信息。
如图 6A所示, 显示面板 100可定义或区分为显示区 103及围绕在显示区 103外的周边线路区 105。 感应天线 500在显示面 101上的投影位置可仅在显 示区 105内、 同时在显示区 105边缘与周边线路边缘或仅位于周边线路区 103 内。 此外, 显示面板 100的影像内容亦可与感应天线 500在显示区 103上的投 影位置相互关联。 举例而言, 可在显示面板 100的影像内容中设计于感应天线 500的对应位置 107显示特定内容, 以告知使用者使用外部感应装置于该对应 位置 107进行感应而接收或传送数据; 或是当使用者使用外部感应装置于该对 应位置 107进行感应而接收或传送数据时,连接感应天线 500的系统端处理装 置即可据以进行下一歩的作业。 以较大尺寸的显示面板 100实施例而言, 如图 6B所示, 其背侧可设置有多个感应天线 500以对应于多个对应位置 107, 因 此所显示影像在不同对应位置 107亦可有不同的内容以供使用者选 当使用 者选择于某一对应位置 107进行感应时, 则系统端处理装置则依感应天线 500 的回应得知使用者的选择, 并据以进行进一歩的处理。
图 7A所示为本发明显示模块的另一实施例。 在本实施例中, 显示模块 10 包含显示面板 100、 信号连接电路模块 700及感应天线 500。 显示面板 100可 为非自发光型面板或自发光型面板, 且较佳具有基板 110、 对向基板 120及夹 设在基板 110及对向基板 120间的显示介质层 130。 显示介质层 130可以为非 自发光的材料层, 如液晶层、 电泳层或电湿润层; 亦可为自发光的材料层, 如 有机发光材料层或无机发光材料层。 信号连接电路模块 700与显示面板 100 信号连接, 其上设置有多条驱动信号线路 710传输信号给显示面板 100以显示 影像。 信号连接电路模块 700较佳由可挠性电路板所制成, 且电连接于显示面 板 100的一端侧; 然而在不同实施例中, 信号连接电路模块 700亦可由硬式印 刷电路板 (或称为刚性印刷电路板:)制成。 此外, 信号连接电路模块 700在远离 显示面板 100的一端包含有系统端连接器 730与驱动信号线路 710电连接, 以 自信号源接收控制信号传输至显示面板 100。 如图 7A所示, 感应天线 500设置于信号连接电路模块 700上, 其具有本 体 510及信号连接端 530。 感应天线 500与驱动信号线路 710电性绝缘, 以减 少相互干扰的状况。 在本实施例中, 信号连接电路板 700上可划分为两个区 驱动信号线路区 701及感应天线区 70 驱动信号线路 710及感应天线 500 则分别形成为驱动信号线路区 701及感应天线区 703内的导电线路。 此外, 感 应天线 500亦电连接系统端连接器 730, 以与驱动信号线路 710共用系统端连 接器 730与系统端连接进行信号传输。 图 7B至图 7D则为图 7A所示实施例 的变化实施例。 在图 7B所示的实施例中, 驱动信号线路区 701及感应天线区 703之间形成有一间隙 707, 以使驱动信号线路区 701及感应天线区 703相互 隔离, 以进一歩降低彼此间的电磁干扰。
在图 7C所示的变化实施例中,信号连接电路模块 700包含第一电路板 751 及第二电路板 752ο驱动信号线路 710设置于第一电路板 751上感应天线 500 则形成于第二电路板 752上, 再贴附于第一电路板 751上, 且第二电路板 752 至少部分位于第一电路板 751的投影面内;亦即第二电路板 752至少部分与第 一电路板 751重叠。 通过此一设计, 可使感应天线 500与驱动信号线路 710 分置于不同层, 且其间夹有一层可挠性电路板作为隔离之用。 此外, 由于感应 天线 500以贴附方式设置于信号连接电路板 700上, 因此信号连接电路板 700 上的驱动信号线路 710设计较单纯, 亦可縮小信号连接电路板 700的面积。
在图 7D所示的变化实施例中, 信号连接电路模块 700亦包含第一电路板 751及第二电路板 752。 驱动信号线路 710设置于第一电路板 751上; 感应天 线 500则形成于第二电路板 752上。第一电路板 751与第二电路板 752在同一 端之间夹有一间隔, 以彼此分离, 且各自连接于显示面板 100上。 通过此一设 计, 可有效降低驱动信号线路 710及感应天线 500彼此间的电磁干扰。
信号连接电路模块 700较佳可被反折至显示面板 100的背面, 以縮小显示 模块整体的体积。 在图 7Ε所示的实施例中, 显示模块 10中的面板为液晶显 示面板, 且具有背光模块 300与显示面板 100叠合, 因此信号连接电路模块 700可被反折至背光模块 300的背侧。 若显示模块中的面板自发光型面板, 并 不特别需要背光模块, 则信号连接电路模块 700较佳可被反折至显示面板 100 的背面。 如前所述, 背光模块 300及显示面板 100在显示面 101及感应天线 500本体 510间的部分或者是显示面板 100在感应天线 500本体 510的前方的 部分, 其部分该显示面板与该感应天线重叠且投影至一平面具有一重叠面积, 位于该重叠面积内该金属层的金属投影涵盖率较佳低于约 90%更佳为低于约 70%, 其中与金属投影涵盖率 (百分比, %:)相关的说明与定义, 请查看图 4A与 4B的描述。
图 8A所示为本发明显示模块的另一实施例。 如图 8A所示, 显示模块 10 包含显示面板 100及感应天线 500。 显示面板 100可为非自发光型面板或自发 光型面板, 且较佳具有基板 110、 对向基板 120及夹设在基板 110及对向基板 120间的显示介质层 130。 显示介质层 130可以为非自发光的材料层, 如液晶 层、 电泳层或电湿润层, 其中, 非自发光型面板需要背光模块中的背光源设置 于面板之下, 即非自发光型面板与背光模块叠合; 亦可为自发光的材料层, 如 有机发光材料层或无机发光材料层, 其中, 自发光型面板不特别需要背光模块 中的背光源。 除此之外, 显示面板 100亦可定义或区分为显示区 103及围绕于 显示区 103外的周边线路区 105, 而显示面包含显示区与周边线路区, 即显示 面板面对着使用者的那一面。 显示区 103内具有多个子像素 180, 每个子像素 180包含至少一信号线 181、 至少一像素电极 183以及至少一切换元件 185分 别电性连接像素电极 183与信号线 181。 信号线 181、 像素电极 183与切换元 件 185均设置于基板 110上; 对向基板 120上则较佳形成有彩色滤光层 (color filter^ 在其它实施例中, 彩色滤光层可设置于基板 110上, 且位于切换元件 185之上 (可称为彩色滤光层在矩阵上, color filter on array, COA)或者之下 (可 称为矩阵在彩色滤光层上, array on color filter, AOC:)。 再者, 非自发光型面 板的显示介质层的电场控制, 可使用水平电场或 /及垂直电场。
如图 8A所示至少一个感应天线 500设置于周边线路区 105至少一部份 且位于对向基板 120上。 最佳地, 一个或多个感应天线 500依着周边线路区 105所在的区域布置。 在此较佳实施例中, 感应天线 500位于对向基板 120朝 向基板 110内表面的一内表面上; 然而在不同实施例中, 感应天线 500亦可位 于对向基板 120朝向外表面上。 此外, 感应天线 500较佳围绕显示区 103以形 成环形天线, 亦可以一个或多个感应天线 500为环形天线, 但形成周边线路区 105至少一部分。 显示模块另包含多个接触垫 800设置于周边线路区 105, 且 较佳位于基板 110上。 接触垫 800可分为第一群 810及第二群 820两个部分; 第一群 810中的接触垫 800经由所对应的信号线 181与显示区 103内的子像素 180电性连接, 而第二群 820中的接触垫 800则较佳不与子像素 180相连接, 例如测试用或多预留的空焊垫 (Dummy Pad:)。 此外, 如图 8B所示, 显示面板 100更包含至少二导电传输物 190设置于基板 110及对向基板 120之间; 导电 传输物 190较佳可为导电胶、 聚合物体表面上覆有导电材料、 可导电的聚合物 体、 或其他类似的材料、 或上述的混合使用。 导电传输物 190位于周边线路区 105内, 且分别电连接第二群 820中的连接垫 800及感应天线 500的信号连接 端 530, 以自基板 110上的线路传输信号至位于对向基板 120上的感应天线 500, 或将感应天线 500接收的信号传输至基板 110上的线路, 再向后端传递, 例如经由基板 110上连接的信号连接电路模块 700再传递至系统端。此实施例 的感应天线 500的感应磁力线可从显示面板 100的显示面, 即对向基板 120 的外表面离开, 进而提升感应的效果。 当然, 若为了能够让感应天线 500的感 应磁力线更可从背壳 400侧, 即基板 110的外表面离开, 则实施方式可参阅上 述实施例所述。
图 9所示为本发明另一实施例的示意图。 在本实施例中, 显示模块包含显 示面板 100、 一或多个承载体 600及一或多个感应天线 500。 显示面板 100较 佳为如液晶显示面板的非自发光显示面板, 承载体 600与部分显示面板 100, 例如: 承载体 600围绕显示面板 100, 且显示面板 100较佳以背面叠设于承载 体 600上。 感应天线 500可设置于承载体 600内, 或设置于承载体 600与显示 面板 100之间。 感应天线 500较佳形成为环形的线圈, 因此亦可沿承载体 600 分布而围绕显示面板 100。 此外, 若显示模块为非自发光型显示模块较佳包含 有背光模块 300设置在显示面板 100的背侧, 因此承载体 600较佳有部分夹设 于显示面板 100及背光模块 300之间。 若显示模块为自发光型显示模块, 不需 特别有背光模块, 则承载体 600设置在显示面板 100的背侧。
在图 9所示的实施例中, 承载体 600以框胶的形式设置于显示面板 100 及背光模块 300之间。 背光模块 300具有出光面 301, 承载体 600则位于出光 面 301且沿出光面 301的边缘分布形成框状。 在其它实施例中, 承载体 600 可不用设置成框状, 依设计的需求, 可为直条状、 L型或 U型。 显示面板 100 的背侧叠合于承载体 600上, 并通过承载体 600与背光模块 300组合。 在此实 施例中, 感应天线 500包含有导电胶层, 以形成为部分的承载体 600或贴合于 承载体 600上; 此外, 感应天线 500较佳位于显示面板 100的投影面内。 在其 它实施例, 感应天线 500亦可位于显示面板之外或部分在显示面板内及另一部 份在显示面板之外。 导电胶层较佳包含有机聚合物作为主成份或载体, 且另包 含有导电成份。 有机聚合物的材质较佳选自下列: 环氧树脂、 有机硅树脂、 聚 酰亚胺树脂、酚醛树脂、聚氨酯、丙烯酸树脂、上述的组合或其它合适的材料, 其中, 上述聚合物材质的物性与化性可参阅物质安全数据表。 导电成份较佳选 自下列: 金、 银、 铜、 铝、 锌、 铁、 镍、 石墨、 上述的组合或其它合适的材料 或导电化合物。 此外, 有机聚合物可具有粘性或不具有粘性皆可运用。 此实施 例的感应天线 500的感应磁力线可从显示面板 100的显示面离开,进而提升感 应的效果。 当然, 若为了能够让感应天线 500的感应磁力线更可从背壳 400 侧离开, 则实施方式可参阅上述实施例所述。
图 10A为图 9所示实施例的变化实施例。 如图 10A剖面图所示, 承载体 600包含有侧壁 610及自侧壁 610向面板中心延伸 (或称为向面板方向延伸或者 是沿着水平面延伸:)的支撑凸缘 63α支撑凸缘 630自显示面板 100的边缘伸入 显示面板 100的底面, 使显示面板 100叠合于支撑凸缘 630的顶面 631上以支 撑显示面板 100。侧壁 610具有一底面 611, 底面 611较佳凸出于支撑凸缘 630 的底部外, 如图 10A所示; 然而在不同实施例中, 底面 611亦可与支撑凸缘 630的底部齐平。
在图 10A所示的实施例中, 感应天线 500分布于承载体 600与显示面板 100之间。 具体而言, 感应天线 500可以贴附或其他方式设置于支撑凸缘 630 的顶面 631上或贴附于显示面板 100底面对应于支撑凸缘 630顶面 631的位 置; 但在不同实施例中, 如图 10B所示, 支撑凸缘 630的顶面上亦可形成有 沟槽 633, 感应天线 500则设置于沟槽 633内。此外, 支撑凸缘 630及侧壁 610 内亦可选择性设有贯通孔 601, 感应天线 500的部分可伸入贯通孔 601内, 而 使得信号连接端 530暴露于侧壁 610的底面; 当感应天线 500采主动式设计 时, 此一设置将有利于与系统端进行信号连接。 当感应天线 500采被动式设计 时, 支撑凸缘 630及侧壁 610内亦可不用设有贯通孔 601。 为方便信号连接端 530与系统端进行信号连接, 当显示模块 100包含有机构加强件 410(或称为壳 体、 背框 (; rear frame))位于承载体 600之下并以覆盖该承载体 600与显示面板 100, 壳体 410对应于信号连接端 530的位置较佳形成有至少一个开口 355, 以利信号连接端 530穿过开口 355而与系统端信号连接。 图 10C所示为另一变化实施例。 在本实施例中, 感应天线 500可以以模 内射出等不同工艺埋设于承载体 600内, 同时使得感应天线的信号连接端 530 曝露于侧壁 610的底面。 通过此一设计, 可省去贴附感应天线 500于承载体 600上的对位问题, 同时亦保有上述其他实施例的优点。 此实施例的感应天线 500的感应磁力线可从显示面板 100的显示面离开, 进而提升感应的效果。 再 者, 上述图 10A〜10C较佳会再设置有背壳 (或称为机壳、 背盖: )400来覆盖上述 的显示模块 100与承载体 600。 若为了能够让感应天线 500的感应磁力线更可 从背壳 400侧离开, 则实施方式可参阅上述实施例所述。
图 11所示为本发明电子装置的实施例示意图。 电子装置较佳包含前述任 一实施例中的显示模块 10、 系统电路模块 880及导电传输物 890。 系统电路模 块 880较佳设置于显示模块 10的背侧, 亦即显示面 101的相反侧。 系统电路 模块 880较佳具有信号连接部 881, 设置与感应天线 500的信号连接端 530位 置相对。 导电传输物 890设置于系统电路模块 880与感应天线 500之间, 并分 别电连接相对应的信号连接部 881及信号连接端 530, 以进行信号传递。 导电 传输物 890较佳可包含连接垫、 连接器、 连接端子、 焊料等不同的可分离或不 可分离电连接介面。 在较佳实施例中, 由于信号连接部 881及信号连接端 530 的位置相对, 若导电传输物 890的厚度或高度适当, 在组装电子装置时仅需组 合系统电路模块 880及显示模块 10, 即可自动使信号连接部 881及信号连接 端 530产生接触及电连接。其中,系统电路模块 880较佳地为刚性印刷电路板, 亦可为软性电路板。 此实施例的感应天线 500的感应磁力线可从显示面板 100 的显示面离开, 进而提升感应的效果。
此外, 为使得感应天线 500的频率或频宽较不受显示面板 100在操作时的 电容量改变干扰, 可以图 12所示的流程歩骤进行调整。 首先在歩骤 1210中判 断感应天线 500是否感应到显示面板 100的电容量改变。 当感应到显示面板 100的电容量改变时, 则在歩骤 1230中输出一信号以调变感应天线 500的匹 配电路。 在歩骤 1250中, 感应天线 500匹配电路上的可变电容在接收上述信 号后调变其电容量, 使得感应天线的频率或频宽回到原工作频段, 而降低其受 到显示面板 100电容量改变的影响。 通过此一设计, 即便感应天线 500设置于 显示模块 10内, 甚至在显示面板 100内时, 亦可使感应天线 500正常运作而 降低所受的干扰。 图 1所示为近域通讯天线设置于电子装置上的本发明实验比较例示意 图。 此作为实验比较例的电子装置包含显示模块 1、 背盖 (或称为外壳 )3、 近域 通讯天线 5及电池 7。 如图 1所示, 近域通讯天线 5设置于背盖 3的内面, 其 上覆盖 (或称为堆叠:)有电池 7, 再与上方的显示模块 1加以组合, 以组成电子 装置。 由于近域通讯天线 5的上方有金属成份 (层)遮蔽而有金属屏蔽效应, 因 而不能从显示模块的显示面做感测, 而仅能从背盖 3这一侧来进行感应。 然 而, 相较于前述本发明的各实施例及变化例而言, 本发明实验比较例必需自背 盖 3—侧来进行感应并不符合一般使用者的习惯且不方便, 而有相当的困扰, 且感应磁力线也不强或不稳定。
本发明已由上述相关实施例加以描 然而上述实施例仅为实施本发明的 范例。 必需指出的是, 已揭露的实施例并未限制本发明的范围。 相反地, 包含 于申请专利范围的精神及范围的修改及均等设置均包含于本发明的范围内。 工业应用性
本发明的功效在于,所提出的显示模块可包含感应天线于其内。本发明所 提出的方法可使得感应天线的频率或频宽较不受显示面板于操作时的电容量 改变干扰。 以主动式的感应天线而言, 本发明提出的设计使得感应天线在背侧 的金属遮蔽降低, 因此对于感应天线产生的射频场也较少干扰, 因此可提升感 应天线的感应效果。 若以被动式的感应天线而言, 本发明提出的设计亦可降低 外部通讯设备发出的射频场被干扰的机会, 因此亦可提升感应天线对于外部通 讯设备发出信号的响应效果。

Claims

权利要求书
1.一种显示模块, 其特征在于, 包含:
一显示面板;
一背光模块, 具有一出光面及一与该出光面相对的反射板; 其中, 该显示 面板叠设于该出光面之上; 以及
至少一感应天线, 设置于该反射板背向于该出光面的一面, 其中, 该感应 天线包含有一本体以及分别与该本体二端连接的二个信号连接端。
2.根据权利要求 1所述的显示模块, 其特征在于, 还包含至少一信号连接 电路模块及一背壳, 其中, 该信号连接电路模块用以提供信号于该显示面板, 以及该背壳覆盖于该反射板背向该出光面的一面, 该信号连接电路模块设置于 该感应天线与该背壳之间。
3.根据权利要求 1所述的显示模块, 其特征在于, 还包含一背壳覆盖于该 反射板背向该出光面的一面, 其中该背壳上形成至少一开口, 该开口至少部分 曝露该感应天线。
4.根据权利要求 1所述的显示模块, 其特征在于, 其中该显示面板具有一 显示面且其具有一金属层, 部分该显示面板与该感应天线重叠且投影至一平面 具有一重叠面积, 位于该重叠面积内该金属层的金属涵盖率不大于 90%。
5.根据权利要求 1所述的显示模块, 其特征在于, 还包含:
一系统电路模块, 设置于该显示模块的背侧, 其中, 该系统电路模块设置 有二信号连接部; 以及
二个导电传输物, 设置于该系统电路模块与该感应天线之间, 其中, 这些 信号连接部分别经这些导电传输物与所对应的这些信号连接端连接,且该显示 模块、 该系统电路模块与这些导电传输物以构成一电子装置。
6.—种显示模块, 其特征在于, 包含:
一显示面板, 具有一显示面及一底面; 其中该底面与该显示面板背对; 以 及
至少一感应天线, 位于该底面, 其中, 该感应天线包含有一本体以及分别 与该本体二端连接的二个信号连接端;
其中, 部分该显示面板与该感应天线重叠且投影至一平面具有一重叠面 积, 位于该重叠面积内该金属层的金属涵盖率不大于 90%。
7.根据权利要求 6所述的显示模块, 其特征在于, 还包含一背光模块设置 于该底面及该感应天线之间。
8.根据权利要求 6所述的显示模块, 其特征在于, 其中该金属投影涵盖率 不超过 70%。
9.根据权利要求 6所述的显示模块, 其特征在于, 其中该感应天线包含一 导电胶层, 且该感应天线位于该显示面板的投影面内, 其中, 该导电胶层包含 一有机聚合物为主成份与导电成份。
10. 根据权利要求 6所述的显示模块, 其特征在于, 其中, 该感应天线 设置于一承载体内或该承载体与该显示面板之间其中一者, 该承载体设置于该 显示面板之下, 且该显示面板叠设于该承载体上。
11. 根据权利要求 10所述的显示模块, 其特征在于, 其中承载体包含有 一侧壁及自该侧壁向中心延伸的一支撑凸缘, 该支撑凸缘具有一顶面支撑该显 示面板, 该侧壁具有一底面切齐或凸出于该支撑凸缘的底部。
12. 根据权利要求 11所述的显示模块, 其特征在于, 该感应天线分布该 承载体与该显示面板之间, 且该感应天线具有一信号连接端曝露于该侧壁的该 底面。
13. 根据权利要求 11所述的显示模块, 其特征在于, 该感应天线分布该 承载体内, 且该感应天线具有一信号连接端曝露于该侧壁的该底面。
14. 根据权利要求 12或 13所述的显示模块, 其特征在于, 还包含一壳 体位于该承载体之下并容纳该承载体及该显示面板 其中该壳体于对应于该信 号连接端的位置形成有至少一开口。
15. 一种显示模块, 其特征在于, 包含:
一显示面板;
一信号连接电路模块, 连接于该显示面板的一端侧, 且其具有多条驱动信 号线路传输信号至该显示面板; 以及
至少一感应天线, 设置于该信号连接电路模块上;
其中, 该感应天线包含有一本体以及分别与该本体二端连接的二个信号连 接端, 且该感应天线与该驱动信号线路电性绝缘。
16. 根据权利要求 15所述的显示模块, 其特征在于, 其中, 该信号连接 电路模块包含一第一电路板以及一第二电路板。
17. 根据权利要求 16所述的显示模块, 其特征在于, 其中, 该第二电路 板粘附于该第一电路板上 且该第二电路板至少部分位于该第一电路板的投影 面内。
18. 根据权利要求 16所述的显示模块, 其特征在于, 其中, 该第一电路 板与该第二电路板的同一端具有一间隔存 以使该第一电路板与该第二电路 板分开。
19. 根据权利要求 15所述的显示模块, 其特征在于, 进一歩包含一背光 模块与该显示面板叠合, 其中该感应天线随部分该信号连接电路板反折至该背 光模块的背侧。
20. 根据权利要求 15所述的显示模块, 其特征在于, 其中该信号连接电 路模块包含一系统端连接器, 该驱动信号线路与该感应天线共用该系统端连接 器进行信号传输。
21. 一种显示模块, 其特征在于, 包含:
一显示面板, 包含一基板、 一对向基板、 一显示介质层夹设于该基板与该 对向基板间, 该显示面板定义有一显示区及围绕该显示区的一周边线路区, 该 显示区具有多个子像素, 每个子像素包含至少一信号线、 至少一像素电极以及 至少一切换元件分别电性连接该像素电极与该信号线, 其中, 该信号线、 该像 素电极与该切换元件设置于该基板上;
多个接触垫, 位于该周边线路区上, 且其设置于该基板上; 以及 至少一感应天线, 位于该周边线路区至少一部分上, 且其设置于该对向基 板上其中,感应天线包含有一本体以及分别与该本体二端连接的二个连接端。
22. 根据权利要求 21所述的显示模块, 其特征在于, 其中, 这些接触垫 具有一第一群且电性连接这些子像素以及一第二群具有二个接触 ¾且不电性 连接这些子像素; 而该显示面板, 更包含:
二个导电传输物, 设置于该基板及该对向基板之间, 且这些导电传输物位 于该周边线路区中, 其中, 这些连接端分别经这些导电传输物与该第二群中的 这些接触垫连接。
23. 根据权利要求 21或 22所述的显示模块, 其特征在于, 还包含一具 有多条传导线路的信号连接电路板, 设置该基板上, 且这些传导线路连接于这 些接触垫。
24. 根据权利要求 21所述的显示模块, 其特征在于, 进一歩包含一背光 模块与该显示面板叠合。
25. 一种电子装置, 其特征在于, 包含如权利要求 1-24任意一项所述的 显示模块、 系统电路模块及导电传输物; 该系统电路模块设置于该显示模块的 背侧, ; 该系统电路模块具有二个信号连接部, 设置与该感应天线的所述信号 连接端的位置分别相对; 该导电传输物设置于该系统电路模块与该感应天线之 间, 并分别电连接相对应的所述信号连接部及所述信号连接端, 以进行信号传 递。
26. 一种应用于如权利要求 1-24任意一项所述的显示模块的方法, 其特 征在于, 该方法包括如下歩骤:
判断该感应天线是否感应到该显示面板的电容量改变;
当感应到该显示面板的电容量改变时, 则输出一信号以调变该感应天线的 匹配电路;
该感应天线匹配电路上的可变电容在接收上述信号后调变其电容量, 使得 该感应天线的频率或频宽回到原工作频段。
PCT/CN2013/000599 2013-05-02 2013-05-22 显示模块、电子装置及应用于显示模块的方法 WO2014176712A1 (zh)

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