KR20090010431A - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
KR20090010431A
KR20090010431A KR1020070073526A KR20070073526A KR20090010431A KR 20090010431 A KR20090010431 A KR 20090010431A KR 1020070073526 A KR1020070073526 A KR 1020070073526A KR 20070073526 A KR20070073526 A KR 20070073526A KR 20090010431 A KR20090010431 A KR 20090010431A
Authority
KR
South Korea
Prior art keywords
display panel
loop antenna
antenna unit
terminal
loop
Prior art date
Application number
KR1020070073526A
Other languages
Korean (ko)
Inventor
조영빈
Original Assignee
엘지이노텍 주식회사
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 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020070073526A priority Critical patent/KR20090010431A/en
Priority to PCT/KR2008/004282 priority patent/WO2009014366A2/en
Publication of KR20090010431A publication Critical patent/KR20090010431A/en

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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
    • H01Q1/2291—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
    • 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
    • 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

Abstract

A mobile terminal is provided to transmit/receive local area wireless communications signals toward a display panel of a terminal by arranging a loop antenna for local area wireless communications according to the display panel arranged in a front surface of the terminal. A mobile terminal comprises a display panel(110), a loop antenna part(160), and a connection board(131). The loop antenna part for local area wireless communications is arranged according to an outer side of the display panel. The connection board is connected to the display panel and the loop antenna part. The display panel is at least one among a liquid crystal panel, an OLED(Organic Light Emitting Diode), a FED(Field Emission Display), and a digital paper display module, and is arranged in at least one position among an inner part and a front part of the terminal. The loop antenna part includes an antenna pattern(162) more than one row and a flexible substrate. The antenna pattern is formed with a loop-shaped according to an outer side of the display panel, and is formed on the flexible substrate. A ferrite sheet is arranged in a bottom part of the loop antenna part.

Description

Mobile terminal {MOBILE TERMINAL}

The embodiment relates to a mobile communication terminal in which a loop antenna is built near a display panel.

In general, a mobile communication terminal transmits / receives a radio frequency (RF) signal with a base station installed near a location where a terminal is located, and receives information and a variety of additional services with a specific counterpart.

The radio signal transmission / reception with the base station is performed through an antenna provided in the mobile communication terminal. The antenna transmits a radio frequency signal received by being connected to the terminal body to a signal processing module installed inside the terminal body. It transmits the radio frequency signal transmitted through the processing module to the outside.

In recent years, by attaching a loop antenna to the mobile communication terminal, additional functions such as a traffic card and an electronic commerce can be provided in the mobile communication terminal in addition to the normal call and Internet functions.

The embodiment provides a mobile communication terminal in which a loop antenna for short-range wireless communication is arranged in a loop form along a display panel.

The embodiment provides a mobile communication terminal in which a loop antenna is arranged on a flexible substrate and a ferrite sheet can be used below the flexible substrate.

According to an embodiment, a mobile communication terminal includes a display panel; A loop antenna unit disposed along an outer side of the display panel and configured for short-range wireless communication; And a connection substrate connected to the display panel and the loop antenna unit.

According to the mobile communication terminal according to the embodiment, by arranging the loop antenna for short-range wireless communication along the display panel disposed on the front of the terminal, the short-range wireless communication signal can be transmitted and received toward the display panel of the terminal, thereby providing additional services. There is an effect that can be used.

In addition, by attaching a ferrite sheet to the lower part of the loop antenna, it is possible to reduce the influence of the antenna due to the metal, and to reduce noise introduced into the display panel.

Hereinafter, a mobile communication terminal according to an embodiment will be described with reference to the accompanying drawings.

FIG. 1 is a schematic plan view illustrating a liquid crystal display with a loop antenna according to an exemplary embodiment, and FIG. 2 is a cross-sectional view of the liquid crystal display of FIG.

1 and 2, the display device 100 includes a display panel 110, a mold frame 120, a polarizer 116, a connection substrate 131, a main substrate 130, and a loop antenna unit 160. It includes.

The display panel 110 may be implemented as, for example, a liquid crystal panel 110. The liquid crystal panel 110 may include upper and lower glass substrates 112 and 124 and a liquid crystal layer interposed between the upper and lower glass substrates. Include. The polarizer 116 may be attached to both surfaces of the display panel 110.

In an embodiment, the type and number of display panels 110 are not limited. For example, the display panel 110 may use at least one of a liquid crystal panel, an organic light emitting diode (OLED), a field emission display (FED), and a digital paper display device.

As shown in FIG. 2, the mold frame 120 is a frame that supports the entire display device. The mold frame 120 is open and the display panel 110, the light guide plate 121, the optical sheet 122, and the like are opened. Is combined. The optical sheet 122 is stacked on the light guide plate 121, and the display panel 110 is disposed on the optical sheet 122. The display panel 110 is fixed to the inside of the optical sheet 122 and the mold frame 120 by the adhesive member 123. One end of the light guide plate 121 may be provided with a light source (not shown), the light source includes an LED or CCFL.

The reflective sheet 125 is disposed under the light guide plate 121 to reflect the light leaking toward the display panel 110.

The chassis 128 is coupled to the periphery of the mold frame 120. To this end, the plurality of protrusions 127 protruding around the mold frame 120 are respectively coupled to the protrusion grooves 129 formed in the chassis 128, and embodiments are not limited thereto.

The driving chip 118 is disposed at one end of the liquid crystal panel 110, and the driving chip 118 is connected to the connection substrate 131 through the contact portion 122 of the lower glass substrate 112. The connection substrate 131 is a flexible substrate and is connected to the main substrate 130. The connection substrate 131 electrically connects one end of the connection portion 122 of the liquid crystal panel 110 and one end of the main substrate 130.

The main board 130 includes a display panel control circuit 140 and a short range wireless communication module 150. The display panel control circuit 140 may be implemented as an LCD control circuit corresponding to the liquid crystal panel 110, and the short range wireless communication module may be implemented as an NFC module. Here, NFC (Near Field Communications) is a wireless short-range communication method that supports data compatibility between mobile communication terminals, home appliances, and PCs within 10 cm, and can communicate in any direction. In addition, the communication frequency will use a band of 13.56MHz. Since such NFC communication schemes vary according to application fields, the present invention is not limited thereto.

As shown in FIG. 2, the main substrate 130 is coupled to the rear surface of the liquid crystal display device 100.

In the loop antenna unit 160, a flexible substrate on which the antenna pattern 162 is formed may be formed in a loop shape. Here, the loop antenna unit 160 is disposed in the form of a loop along the outside of the display panel 110, and the length of the loop antenna may be adjusted to values of inductance and capacitance when designing the antenna.

The antenna pattern 162 of the loop antenna 160 is connected to the connection board 131, thereby transmitting the signal transmitted / received by the connection board 131 to the LCD panel and the antenna pattern.

As shown in FIG. 2, a ferrite sheet 164 is disposed below the loop antenna unit 160. The ferrite sheet 164 is intended to prevent noise from entering the loop antenna unit 160. The ferrite sheet 164 may reduce the influence of a high frequency signal caused by metal around the antenna, and also may be mixed in the display panel 110. Can be reduced.

3 is a diagram illustrating a mobile communication terminal according to an exemplary embodiment.

Referring to FIG. 3, the mobile communication terminal 200 has a folder type or bar type structure. The display device 100 is coupled to the front portion of the mobile communication terminal 200, and a loop antenna unit 160 in which the antenna pattern 162 is wound in a loop shape is disposed at an outer circumference of the display device 100. do. Short-range wireless communication with the target module may be performed through the loop antenna unit 160.

4 is a block diagram illustrating a system of a mobile communication terminal according to an exemplary embodiment. In FIG. 4, a system example using the LED control circuit 140 and the NFC module 150 will be schematically described.

Referring to FIG. 4, the LCD control circuit 140 is interfaced with the LCD panel 110, and the NFC module 150 performs short-range wireless communication through the loop antenna unit 160. In addition, the LCD control circuit 140 and the NFC module 150 transmits / receives data with the host 135 of the mobile communication terminal 200.

The NFC module 150 includes a control unit (MCU) 151, an input / output unit 152, a UART unit 153, a power supply unit 154, a memory 155, an oscillator 156, and an RF matching unit 157. do. The control unit 151 controls each unit according to short-range wireless communication, and the input / output unit 152 is a general purpose input / output (GPIO) pin to control a specific device or receive data.

The universal asynchronous receiver / transmitter (UART) unit 153 communicates with the serial communication device, the power supply unit 154 supplies power to each module, and the memory 155 transmits and receives various information necessary for communication. The data will be saved. In addition, the oscillator 156 generates a frequency required for transmission / reception, for example, generates an oscillation frequency of 13.56 MHz for short range wireless communication.

The RF matching unit 157 is a matching end to correct the difference between the impedance of the input terminal and the output terminal, the both ends of the antenna pattern 162 is connected.

FIG. 5 is a cross-sectional view illustrating a dual display device 100A according to an exemplary embodiment, and descriptions of components that overlap with FIG. 2 will be omitted.

Referring to FIG. 5, in the dual display device 100A, the main display panel 110A is disposed at the front side, and the sub display panel 110B is disposed at the rear side. Information is displayed in both directions using the main display panel 110A and the sub display panel 110B.

Each of the display panels 110A and 110B may use at least one of a liquid crystal panel, an organic light emitting diode (OLED), a field emission display (FED), and a digital paper display device.

The ferrite sheet 164 is attached below the outer substrate 130 of the sub display panel 110B, and the loop antenna unit 160 is disposed under the ferrite sheet 164. The loop antenna unit 160 may be implemented as a flexible substrate having an antenna pattern. The ferrite sheet 164 and the loop antenna unit 160 are formed in a loop shape along the circumference of the sub display panel 110B.

Here, the loop antenna unit 160 may be disposed around the main display panel, that is, the upper region of the dual display device 100A, not the bottom. That is, the loop antenna may be arranged in the structure shown in FIG. 2.

6 is an operational state diagram of a mobile communication terminal in which the dual display device of FIG. 5 is incorporated.

As shown in FIG. 6, the mobile communication terminal 300 is a folder type, in which the dual display device 100A is embedded in the upper main body 301 that is folded from the lower main body 302. Near wireless communication may be performed through the loop antenna unit 160 in a state in which the upper main body 301 is folded to the lower main body 302, or even in a state in which the upper main body 301 is opened, near wireless through the loop antenna unit. Communication can be performed.

In the folding terminal 300, even when the upper main body 301 is folded or open, the short-range wireless communication may be performed using the loop antenna unit 160.

1 is a schematic plan view of a display device according to an embodiment;

2 is a cross-sectional view illustrating a display device according to an exemplary embodiment.

3 is a plan view of a mobile communication terminal incorporating a display device according to an embodiment;

4 is an internal system configuration diagram of a mobile communication terminal according to an embodiment.

5 is a cross-sectional view illustrating a dual display device according to an exemplary embodiment.

6 is a use state diagram of a mobile communication terminal in which a dual display device is coupled according to an embodiment;

<Explanation of symbols for the main parts of the drawings>

100,100A: display device 110,110A, 110B: display panel

120: mold frame 121: light guide plate

122: optical sheet 128: chassis

130: main board 131: connection board

140: display panel control circuit 150: short-range wireless communication module

160: loop antenna portion 162: antenna pattern

164: ferrite sheet 200, 300: mobile communication terminal

Claims (9)

Display panel; A loop antenna unit disposed along an outer side of the display panel and configured for short-range wireless communication; And a connection board connected to the display panel and the loop antenna unit. The method of claim 1, The display panel is at least one of a liquid crystal panel, an organic light emitting diode (OLED), a field emission display (FED), and a digital paper display module. The method of claim 1, The display panel is disposed at at least one of the front and the inside of the terminal, The loop antenna unit is formed along an outer side of the display panel disposed in the front part or the inside. The method according to claim 1 or 3, The loop antenna unit includes at least one antenna pattern formed in a loop shape along an outer side of the display panel, and a flexible substrate on which the antenna pattern is formed. The method according to claim 1 or 3, A mobile communication terminal comprising a ferrite sheet disposed below the loop antenna unit. The method of claim 1, The loop antenna unit is disposed on the upper glass substrate of the display panel or on the outer substrate of the display panel. The method of claim 4, wherein The connection board is a mobile communication terminal comprising a flexible substrate connecting the antenna pattern and the display panel to the main board. The method of claim 1, The terminal is any one of a bar type, a folder type and a slide type. The method of claim 1, The loop antenna unit is a mobile communication terminal NFC antenna.
KR1020070073526A 2007-07-23 2007-07-23 Mobile terminal KR20090010431A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020070073526A KR20090010431A (en) 2007-07-23 2007-07-23 Mobile terminal
PCT/KR2008/004282 WO2009014366A2 (en) 2007-07-23 2008-07-22 Display apparatus and mobile terminal having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070073526A KR20090010431A (en) 2007-07-23 2007-07-23 Mobile terminal

Publications (1)

Publication Number Publication Date
KR20090010431A true KR20090010431A (en) 2009-01-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070073526A KR20090010431A (en) 2007-07-23 2007-07-23 Mobile terminal

Country Status (2)

Country Link
KR (1) KR20090010431A (en)
WO (1) WO2009014366A2 (en)

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KR20130008923A (en) * 2011-07-13 2013-01-23 엘지전자 주식회사 Mobile terminal
KR20130028571A (en) * 2011-09-09 2013-03-19 엘지전자 주식회사 Mobile terminal and method for manufacturing the same
WO2013105776A1 (en) * 2012-01-09 2013-07-18 주식회사 케이더파워 Receiver for wireless charging system
KR20130134283A (en) * 2012-05-30 2013-12-10 엘지전자 주식회사 Mobile terminal
US9559405B2 (en) 2009-06-12 2017-01-31 Qualcomm Incorporated Devices and methods related to a display assembly including an antenna
CN106597717A (en) * 2015-10-19 2017-04-26 上海蓝沛信泰光电科技有限公司 Liquid crystal display module laminated structure and electronic equipment

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US9014761B2 (en) * 2011-07-13 2015-04-21 Lg Electronics Inc. Mobile terminal
US9740342B2 (en) * 2011-12-23 2017-08-22 Cirque Corporation Method for preventing interference of contactless card reader and touch functions when they are physically and logically bound together for improved authentication security
CN102819346B (en) 2012-04-06 2016-01-13 信利工业(汕尾)有限公司 A kind of touch-screen of integrated NFC antenna
TWI484280B (en) * 2012-10-25 2015-05-11 Sipix Technology Inc Display device and manufacturing method of display device
WO2014083990A1 (en) * 2012-11-28 2014-06-05 株式会社村田製作所 Interface and communication device
US9209513B2 (en) 2013-06-07 2015-12-08 Apple Inc. Antenna window and antenna pattern for electronic devices and methods of manufacturing the same
GB2519122A (en) * 2013-10-10 2015-04-15 Abb Ltd Metering device and parts therefor
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US9356661B2 (en) 2014-04-23 2016-05-31 Apple Inc. Electronic device with near-field antenna operating through display
US9774087B2 (en) 2014-05-30 2017-09-26 Apple Inc. Wireless electronic device with magnetic shielding layer
US9680205B2 (en) 2014-08-25 2017-06-13 Apple Inc. Electronic device with peripheral display antenna
US9793599B2 (en) 2015-03-06 2017-10-17 Apple Inc. Portable electronic device with antenna
IT201700004156A1 (en) * 2017-01-17 2018-07-17 Carel Ind Spa DISPLAY STRUCTURE FOR CONTROL SYSTEMS
CN112882271B (en) * 2021-01-26 2022-05-17 维沃移动通信有限公司 Display panel and terminal equipment

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Cited By (14)

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Publication number Priority date Publication date Assignee Title
US9559405B2 (en) 2009-06-12 2017-01-31 Qualcomm Incorporated Devices and methods related to a display assembly including an antenna
KR20130008923A (en) * 2011-07-13 2013-01-23 엘지전자 주식회사 Mobile terminal
KR20130028571A (en) * 2011-09-09 2013-03-19 엘지전자 주식회사 Mobile terminal and method for manufacturing the same
US11018531B2 (en) 2012-01-09 2021-05-25 Samsung Electronics Co., Ltd. Receiver for wireless charging system
WO2013105776A1 (en) * 2012-01-09 2013-07-18 주식회사 케이더파워 Receiver for wireless charging system
US9413191B2 (en) 2012-01-09 2016-08-09 Kthepower Inc. Receiver for wireless charging system
US11705746B2 (en) 2012-01-09 2023-07-18 Samsung Electronics Co., Ltd. Receiver for wireless charging system of a portable communication device
US9653942B2 (en) 2012-01-09 2017-05-16 Kthepower Inc. Receiver for wireless charging system
US10050478B2 (en) 2012-01-09 2018-08-14 Kthepower Inc. Receiver for wireless charging system for portable electronic device
US10284023B2 (en) 2012-01-09 2019-05-07 Kthepower Inc. Receiver for wireless charging system for portable electronic device
US10491049B2 (en) 2012-01-09 2019-11-26 Kthepower Inc. Receiver for wireless charging system
US10944298B2 (en) 2012-01-09 2021-03-09 Samsung Electronics Co., Ltd. Receiver for wireless charging system
KR20130134283A (en) * 2012-05-30 2013-12-10 엘지전자 주식회사 Mobile terminal
CN106597717A (en) * 2015-10-19 2017-04-26 上海蓝沛信泰光电科技有限公司 Liquid crystal display module laminated structure and electronic equipment

Also Published As

Publication number Publication date
WO2009014366A3 (en) 2009-03-12
WO2009014366A2 (en) 2009-01-29

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