WO2009014366A2 - Dispositif d'affichage et terminal mobile comprenant ce dispositif - Google Patents

Dispositif d'affichage et terminal mobile comprenant ce dispositif Download PDF

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Publication number
WO2009014366A2
WO2009014366A2 PCT/KR2008/004282 KR2008004282W WO2009014366A2 WO 2009014366 A2 WO2009014366 A2 WO 2009014366A2 KR 2008004282 W KR2008004282 W KR 2008004282W WO 2009014366 A2 WO2009014366 A2 WO 2009014366A2
Authority
WO
WIPO (PCT)
Prior art keywords
display panel
loop antenna
antenna portion
mobile terminal
display
Prior art date
Application number
PCT/KR2008/004282
Other languages
English (en)
Other versions
WO2009014366A3 (fr
Inventor
Young Bin Cho
Original Assignee
Lg Innotek Co., Ltd
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 Lg Innotek Co., Ltd filed Critical Lg Innotek Co., Ltd
Publication of WO2009014366A2 publication Critical patent/WO2009014366A2/fr
Publication of WO2009014366A3 publication Critical patent/WO2009014366A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; 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
    • H01Q1/243—Supports; 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2291—Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop 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

Definitions

  • Embodiments relate to a display apparatus comprising a loop antenna and a mobile terminal having the same.
  • a mobile terminal transmits and receives radio frequency (RF) signals to and from a base station to form a mobile communication network, thereby receiving various services such as voice communication and data transmission/reception.
  • RF radio frequency
  • Embodiments provide a display apparauts mounting a loop antenna for wireless communication therein, and a mobile terminal having the same.
  • Embodiments provide a display apparatus where a loop-type antenna is disposed along the outer periphery of a display panel, and a mobile terminal having the same.
  • Embodiments provide a display apparatus where a loop-type antenna is disposed along the outer periphery of at least one display panel of a plurality of display panels, and a mobile terminal having the same.
  • An embodiment provides a display apparatus comprising: a display panel; a loop antenna portion for wireless communication on an outer side of the display panel; a wireless communication module electrically connected with the loop antenna portion.
  • An embodiment provides a mobile terminal comprising: a body; a display device comprising a display panel on the body; a loop antenna portion for wireless communication on an outer side of the display panel; and a wireless communication module electrically connected with the loop antenna portion.
  • Embodiments dispose a loop antenna on the outer periphery of a display panel, so that a mounting space for the loop antenna does not need to be separately secured.
  • Embodiments dispose a loop antenna on the outer periphery of a display panel to allow additional services by near filed communication (NFC) to be conveniently used.
  • Embodiments attach a ferrite sheet under a loop antenna on the outer periphery of a display panel to reduce a noise having an influence on the loop antenna.
  • a noise mixed into a display panel by a ferrite sheet can be reduced.
  • FIG. 1 is a plan view of a display apparatus according to a first embodiment.
  • Fig. 2 is a side cross-sectional view illustrating the display apparatus of Fig. 1 is coupled.
  • FIG. 3 is a plan view of a mobile terminal having the display apparatus according to the first embodiment.
  • FIG. 4 is a block diagram of the mobile terminal of Fig. 3.
  • FIG. 5 is a side cross-sectional view illustrating a display apparatus according to a second embodiment.
  • FIG. 6 is a front view of a mobile terminal having the display apparatus according to the second embodiment.
  • Fig. 7 is a perspective view illustrating the mobile terminal of Fig. 6 in use.
  • FIG. 1 is a plan view of a display apparatus according to a first embodiment.
  • a display apparatus 100 comprises a display panel 110, a mold frame 120, a main board 130, a sub board 131, and a loop antenna portion 160.
  • the display panel 110 can be realized in a liquid crystal display (LCD) panel, for example.
  • the display panel 110 comprises an upper glass substrate 112, a lower glass substrate 114, and an LC layer interposed between the upper glass substrate 112 and the lower glass substrate 114.
  • LC liquid crystal display
  • twisted nematic (TN) mode an electrical controlled birefringence (ECB) mode, an optically compensated bend (OCB) mode, an in-plane switching (IPS) mode, or a vertical alignment (VA) mode
  • TN twisted nematic
  • ECB electrical controlled birefringence
  • OCB optically compensated bend
  • IPS in-plane switching
  • VA vertical alignment
  • the LC can be driven in a normally block mode or a normally white mode.
  • the array characteristic of the substrates or an LC layer can be changed with the scope of the present disclosure, and is not limited thereto.
  • the display panel 110 can be at least one of an LCD panel, an organic light emitting diode (OLED), a field emission display (FED), and a digital paper display device.
  • OLED organic light emitting diode
  • FED field emission display
  • digital paper display device The kind of the display panel 110 is not limited thereto.
  • the display panel 110 can comprise an input unit using a touch pad.
  • a polarizer 116 can be attached on at least one side of the display panel 110.
  • a driving chip 118 is mounted on one end of the lower glass substrate 112 of the display panel 110, and electrically connected with the sub board 131 through a connector 119 of the lower glass substrate 112, and controls the driving of the display panel 110.
  • One end of the sub board 131 is electrically connected with the connector 119, and the other end of the sub board 131 is electrically connected with the main board 130.
  • the sub board 131 can be formed using a flexible printed circuit board (FPCB), and the main board 130 can be formed in a hard PCB.
  • the main board 130 can be disposed in the rear of the mold frame 120, and the sub board 131 is disposed on the lateral side of the mold frame 120.
  • the main board 130 comprises a panel control circuit 140 and a short distance wireless communication module 150.
  • the panel control circuit 140 can be realized as an LCD control circuit controlling the display panel 110.
  • the short distance wireless communication module 150 can be realized using a near field communication (NFC) module of 13.56 MHz, for example.
  • NFC near field communication
  • the NFC is a short distance wireless communication supporting data exchange between a mobile terminal, a home appliance, and a personal computer (PC) within 10 cm.
  • the NFC uses a band of 13.56 MHz for its communication frequency. Since this NFC communication is various depending on an application field, it is not limited thereto.
  • the display panel 110 is received inside the mold frame 120.
  • the mold frame 120 can be formed in a frame shape whose inside is open using a resin material by injection molding, for example.
  • the loop antenna portion 160 is disposed on the outer periphery of the display panel
  • the loop antenna portion 160 can be attached along the lower outer side of the display panel 110.
  • the loop antenna portion 160 has a structure obtained by forming antenna patterns
  • the antenna patterns 162 are formed in a loop shape along the outer periphery of the display panel 110.
  • the antenna patterns 162 can be coated with an insulating material.
  • the length of the antenna patterns 162 can be controlled by inductance and capacitance while the antenna is designed.
  • the number of windings of the antenna patterns 162 can be at least one but is not limited thereto.
  • Fig. 2 is a side cross-sectional view illustrating the coupling structure of the display apparatus of Fig. 1.
  • the display panel 110, an optical sheet portion 122, and a light guide plate 121 are stacked inside the mold frame 120.
  • Polarizers 116 are attached on both sides of the display panel 110, respectively.
  • the optical sheet portion 122 is disposed under the display panel 110.
  • the optical sheet portion 122 comprises a diffusion sheet (not shown) and a prism sheet (not shown).
  • the diffusion sheet diffuses light incident thereto, and the prism sheet condenses the diffused light onto a display panel region.
  • the prism sheet can selectively comprise a horizontal prism sheet, a vertical prism sheet, and an illumination intensity enhancing film.
  • the lower outer side of the display panel 110 can be attached and fixed on an adhesive member 123.
  • the adhesive member 123 is a double-sided tape and is attached on the lower outer side of the display panel 110, and the regions of the optical sheet portion 122 and the mold frame 120.
  • the fixing structure of the display panel 110 can change, and is not limited to the adhesive member 123.
  • the light guide plate 121 is disposed under the optical sheet portion 122.
  • the light guide plate 121 changes incident light into surface light to illuminate the same onto the display panel 110.
  • a light source unit (not shown) can be disposed on the lateral side of the light guide plate 121.
  • the light source unit (not shown) is a side light emitting unit, and can be realized using a light emitting diode (LED) and/or a fluorescent lamp (e.g.: cold cathode fluorescent lamp (CCFL)) but is not limited thereto.
  • LED light emitting diode
  • CCFL cold cathode fluorescent lamp
  • a reflective sheet 125 can be disposed under the light guide plate 121.
  • the reflective sheet 125 reflects light leaking downward from the light guide plate 121.
  • a chassis 128 is coupled to the lower portion and the outer side of the mold frame
  • a groove 129 is formed in the lateral side of the chassis 128 and couples to a protrusion 127 formed on the later side of the mold frame 120.
  • the chassis 128 may not be provided and the structure is not limited to the above coupling structure. Also, the chassis 128 can be grounded to a ground terminal.
  • the main board 130 is attached under the mold frame 120.
  • the NFC module 150 is electrically connected with the loop antenna portion 160.
  • the loop antenna portion 160 is attached on the outer upper surface of the upper glass substrate 112 of the display panel 110. That is, the polarizer 116 is attached in the inner region of the upper glass substrate 112, and the loop antenna portion 160 can be attached on the outer region.
  • a ferrite sheet 164 can be disposed under the loop antenna portion 160.
  • the ferrite sheet 164 can be integrally formed with the loop antenna portion 160, and attached on the outer periphery of the upper glass substrate 112.
  • the ferrite sheet 164 is designed for preventing a noise from being introduced to the loop antenna portion 160 from a surrounding metal, and can reduce a high frequency noise having an influence on the loop antenna portion 160. Also, the ferrite sheet 164 is disposed around the display panel 110 to reduce a noise introduced to the display panel 110. [44] The loop antenna portion 160 is disposed in the front direction of the display apparatus 100 to allow NFC with an external device to be conveniently performed.
  • FIG. 3 is a plan view of a mobile terminal having the display apparatus according to the first embodiment.
  • the mobile terminal 200 is a bar type or a slide type structure.
  • the display apparatus 100 and a keypad unit 210 can be disposed on the front side of a body 201 of the mobile terminal 200.
  • the display apparatus 100 can be disposed on the front side of the body 201 without the keypad unit 210.
  • the loop antenna portion 160 is formed on the outer periphery of the display panel
  • the loop antenna portion 160 can be formed in a loop shape between the display panel 110 and the body 201.
  • Fig. 4 is a block diagram of the mobile terminal of Fig. 3.
  • the panel control circuit 140 of the main board 130 interfaces with the display panel 110 and the host 135.
  • the NFC module 150 communicates with the host 135 and performs NFC through the loop antenna portion 160.
  • the host 135 transmits/receives data to and from the panel control circuit 140 and the
  • the NFC module 150 comprises a micro controller unit (MCU) 151, an input/output unit 152, a universal asynchronous receiver/transmitter (UART) 153, a power unit 154, a memory unit 155, an oscillator 156, and an RF matching unit 157.
  • the controller 151 controls respective elements in order to perform NFC.
  • the input/output unit 152 is a general purpose input/output (GPIO) pin, and controls a specific device or receives data.
  • GPIO general purpose input/output
  • the UART 153 performs communication with a serial communication device, and the power unit 154 supplies power to respective elements of the module.
  • the memory unit 155 stores various information required for communication and transmission/ reception data.
  • the oscillator 156 generates a frequency required for transmission/reception, and for example, generates an oscillation frequency of 13.56 MHz in order to perform NFC.
  • the RF matching unit 157 is a matching terminal compensating for an impedance difference between an input terminal and an output terminal, and is connected at both ends of the antenna patterns 162 of the loop antenna portion 160.
  • the NFC module 150 performs NFC with an external device through the loop antenna portion 160 formed on the outer periphery of the display panel 110. Also, the host 135 can control a communication operation of the NFC module 150, and can inform a user of data received from the NFC module 150, through the display panel
  • Fig. 5 is a side cross-sectional view illustrating a display apparatus according to a second embodiment. In describing the second embodiment, explanations of the same parts as those of the first embodiment are omitted.
  • a display apparatus IOOA is a dual display device, and comprises a main display panel 11OA and a sub display panel HOB. The main display panel
  • the display apparatus IOOA displays information in both directions using the main display panel 11OA and the sub display panel HOB.
  • the main display panel 11OA and the sub display panel HOB can use at least one of an LCD panel, an organic light emitting diode (OLED), a field emission display
  • the sub display panel HOB can display information using light leaking to the rear of a light guide plate 121.
  • a reflective sheet 125 is disposed on the rear outer side of the light guide plate 121 to reflect light to the rear outer side of the light guide plate 121.
  • the sizes of the main display panel 11OA and the sub display panel HOB can be the same or different from each other, but are not limited thereto.
  • a loop antenna portion 160A is disposed on the outer side of the sub display panel
  • the loop antenna portion 160A can be disposed on the main board 130 or disposed along the outer upper side of the sub display panel HOB.
  • a ferrite sheet 164 is attached between the loop antenna portion 160A and the main board 130.
  • the loop antenna portion 160A and the ferrite sheet 164 are formed in a loop shape along the outer periphery of the sub display panel HOB.
  • the loop antenna portion 160A can be disposed on the outer side of the sub display panel HOB and/or the main display panel 11OA.
  • Fig. 6 is a front view of a mobile terminal having the display apparatus according to the second embodiment
  • Fig. 7 is a perspective view illustrating the mobile terminal of Fig. 6 in use.
  • the mobile terminal 300 is a folder type, and comprises an upper main body 301 and a lower main body 302.
  • the upper main body 301 rotates by a predetermined angle with respect to the lower main body 302 around a hinge portion
  • a dual display apparatus IOOA is mounted inside the upper main body 301.
  • the loop antenna portion 160A is disposed on the periphery of the sub display panel 11OB of the upper main body 301.
  • the mobile terminal can perform NFC through the loop antenna portion 160A.
  • the mobile terminal 300 can perform the NFC using the loop antenna portion 160A. That is, the NFC can be performed while the mobile terminal is in a standby state and/or an active state.
  • the upper main body 301 is folded to the lower main body 302.
  • the active state the upper main body 301 is unfolded from the lower main body 302.
  • the loop antenna is disposed on the outer periphery of the display panel, so that a mounting space for the loop antenna does not need to be secured inside the mobile terminal. Also, the loop antenna for NFC is disposed on the outer periphery of the display panel, so that additional service by NFC can be conveniently used.
  • the ferrite sheet is attached on one side of the loop antenna, so that a noise having an influence on the loop antenna can be reduced. Also, the ferrite sheet can reduce a noise mixed into the display panel.
  • Embodiments dispose a loop antenna on the outer periphery of a display panel, so that a mounting space for the loop antenna does not need to be separately secured.
  • Embodiments dispose a loop antenna on the outer periphery of a display panel to allow additional services by near filed communication (NFC) to be conveniently used.
  • NFC near filed communication
  • Embodiments attach a ferrite sheet under a loop antenna on the outer periphery of a display panel to reduce a noise having an influence on the loop antenna.

Abstract

L'invention concerne un dispositif d'affichage comportant une antenne-cadre, et un terminal mobile comprenant ce dispositif. Le dispositif d'affichage comprend un écran d'affichage, une partie antenne-cadre pour des communications sans fil sur un côté extérieur de l'écran d'affichage, et un module de communication sans fil connecté électriquement à la partie antenne-cadre.
PCT/KR2008/004282 2007-07-23 2008-07-22 Dispositif d'affichage et terminal mobile comprenant ce dispositif WO2009014366A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070073526A KR20090010431A (ko) 2007-07-23 2007-07-23 이동통신 단말기
KR10-2007-0073526 2007-07-23

Publications (2)

Publication Number Publication Date
WO2009014366A2 true WO2009014366A2 (fr) 2009-01-29
WO2009014366A3 WO2009014366A3 (fr) 2009-03-12

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Country Status (2)

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KR (1) KR20090010431A (fr)
WO (1) WO2009014366A2 (fr)

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WO2010144886A1 (fr) * 2009-06-12 2010-12-16 Qualcomm Incorporated Dispositifs et procédés s'appliquant à un ensemble d'affichage comprenant une antenne
US20110111793A1 (en) * 2009-11-10 2011-05-12 At&T Mobility Ii Llc Devices, Systems and Methods for Identification Through a Mobile Device
EP2546923A1 (fr) * 2011-07-13 2013-01-16 LG Electronics Inc. Terminal mobile avec bobine d'antenne
WO2013149518A1 (fr) * 2012-04-06 2013-10-10 信利半导体有限公司 Dispositif d'affichage électroluminescent organique du type à tp sur/en cellule comportant une antenne nfc intégrée
CN103777431A (zh) * 2012-10-25 2014-05-07 达意科技股份有限公司 显示装置和显示装置的制造方法
CN104040835A (zh) * 2012-01-09 2014-09-10 K电力株式会社 无线充电系统用接收器
JP2014212573A (ja) * 2012-11-28 2014-11-13 株式会社村田製作所 インタフェース及び通信装置
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EP3005477A4 (fr) * 2013-06-07 2017-01-25 Apple Inc. Fenêtre d'antenne et diagramme d'antenne pour dispositifs électroniques et procédés de fabrication associés
CN106597717A (zh) * 2015-10-19 2017-04-26 上海蓝沛信泰光电科技有限公司 一种液晶显示模组叠层结构及电子设备
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KR101977073B1 (ko) * 2012-05-30 2019-05-10 엘지전자 주식회사 이동 단말기

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US9520639B2 (en) 2012-04-06 2016-12-13 Truly Semiconductors Ltd. TP on/in cell-type organic electroluminescent display device having integrated NFC antenna
WO2013149518A1 (fr) * 2012-04-06 2013-10-10 信利半导体有限公司 Dispositif d'affichage électroluminescent organique du type à tp sur/en cellule comportant une antenne nfc intégrée
US9583815B2 (en) 2012-04-06 2017-02-28 Truly Semiconductors Ltd. Organic electroluminescent display device having integrated NFC antenna
WO2013149515A1 (fr) * 2012-04-06 2013-10-10 信利半导体有限公司 Dispositif d'affichage électroluminescent organique à antenne de communication en champ proche (nfc) intégrée
CN103777431A (zh) * 2012-10-25 2014-05-07 达意科技股份有限公司 显示装置和显示装置的制造方法
JP2014212573A (ja) * 2012-11-28 2014-11-13 株式会社村田製作所 インタフェース及び通信装置
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