WO2021256774A1 - Dispositif d'antenne et appareil d'affichage le comprenant - Google Patents

Dispositif d'antenne et appareil d'affichage le comprenant Download PDF

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Publication number
WO2021256774A1
WO2021256774A1 PCT/KR2021/007241 KR2021007241W WO2021256774A1 WO 2021256774 A1 WO2021256774 A1 WO 2021256774A1 KR 2021007241 W KR2021007241 W KR 2021007241W WO 2021256774 A1 WO2021256774 A1 WO 2021256774A1
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WO
WIPO (PCT)
Prior art keywords
dielectric layer
interlayer dielectric
antenna
antenna element
radiation pattern
Prior art date
Application number
PCT/KR2021/007241
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English (en)
Korean (ko)
Inventor
김영주
박희준
이원희
Original Assignee
동우화인켐 주식회사
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Application filed by 동우화인켐 주식회사 filed Critical 동우화인켐 주식회사
Publication of WO2021256774A1 publication Critical patent/WO2021256774A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • 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
    • 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
    • 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
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Definitions

  • the present invention relates to an antenna element and a display device including the same. More particularly, it relates to an antenna element including an electrode and a dielectric layer, and a display device including the same.
  • wireless communication technologies such as Wi-Fi and Bluetooth are combined with a display device and implemented in the form of, for example, a smart phone.
  • an antenna may be coupled to the display device to perform a communication function.
  • an antenna capable of realizing a high-frequency or ultra-high frequency radiation characteristic is included in the display device.
  • the resonance frequency band may be different for each country.
  • the thickness of the display device becomes thinner and the size of the display area is relatively increased, it is not easy to include all antennas corresponding to the resonant frequencies of different countries in one display device.
  • the antenna when the antenna is included in the display device, radiation characteristics may be shielded by various electrodes and wires of the display device. Since the antenna is more susceptible to signal loss at the high frequency or very high frequency, it is not easy to sufficiently realize the gain characteristic and the wideband characteristic.
  • Korean Patent Application Laid-Open No. 2003-0095557 discloses an antenna structure built into a portable terminal, but the antenna structure cannot sufficiently implement the above-mentioned recent antenna requirements.
  • An object of the present invention is to provide an antenna element having improved radiation coverage characteristics and gain characteristics.
  • An object of the present invention is to provide a display device including an antenna element having improved radiation coverage characteristics and gain characteristics.
  • the antenna element according to the above 2 further comprising a via structure passing through the interlayer dielectric layer and connecting the one end of the feed line and the radiation pattern.
  • the antenna element according to the above 2 further comprising a via structure connected to the one end of the feeding line and partially penetrating the interlayer dielectric layer.
  • the interlayer dielectric layer includes a first interlayer dielectric layer and a second interlayer dielectric layer sequentially stacked from the feed line
  • the via structure is formed in the first interlayer dielectric layer and does not extend into the second interlayer dielectric layer.
  • the antenna element according to 9 above further comprising an internal antenna unit disposed on the base dielectric layer.
  • the internal antenna unit includes an internal radiation pattern and a transmission line extending from the internal radiation pattern.
  • antenna sheet further includes an alignment pattern formed around the radiation pattern on the protective sheet.
  • the interlayer dielectric layer includes a window sheet, and the antenna sheet is attached on the window sheet.
  • the antenna element may include an antenna sheet including a radiation pattern formed on a detachable protective sheet.
  • the antenna sheet may be attached on the interlayer dielectric layer to partially overlap the feed line with the interlayer dielectric layer interposed therebetween.
  • an antenna sheet including a radiation pattern suitable for the frequency environment can be easily exchanged.
  • the antenna sheet may be detachably attached to a window surface of a display device such as a smart phone. Accordingly, radiation interference caused by conductive structures included in the display device is reduced, and a multi-band or broadband communication function can be easily applied to the display device.
  • 1 and 2 are schematic cross-sectional views and plan views, respectively, of antenna elements according to exemplary embodiments.
  • 3 and 4 are schematic cross-sectional views illustrating an antenna element according to some exemplary embodiments.
  • FIG. 5 is a schematic plan view illustrating an antenna element according to some exemplary embodiments.
  • 6 and 7 are schematic cross-sectional views and plan views, respectively, of display devices according to exemplary embodiments.
  • Embodiments of the present invention provide an antenna element including a detachable antenna sheet.
  • embodiments of the present invention provide a display device including the antenna element and capable of implementing a broadband communication function.
  • An application target of the antenna element is not limited to a display device, and may be applied to various objects or structures such as vehicles, home appliances, and buildings.
  • the antenna element may be, for example, a microstrip patch antenna manufactured in the form of a transparent film.
  • the antenna element may be applied to, for example, a communication device for high-frequency or ultra-high frequency (eg, 3G, 4G, 5G or higher) mobile communication.
  • the antenna element may be operable in a high frequency or very high frequency band of about 1 GHz or more, and in an embodiment, about 20 to 60 GHz.
  • the antenna element may be driven together in a frequency band of 1 GHz or less, for example.
  • FIG. 1 and 2 are schematic cross-sectional views and plan views, respectively, of antenna elements according to exemplary embodiments.
  • FIG. 2 is a plan view illustrating the antenna sheet 150 of the antenna element.
  • the antenna element may include a detachable antenna sheet 150 including a protective sheet 140 and a radiation pattern 130 .
  • the protective sheet 140 may be provided as, for example, a base sheet or a base film for forming the radiation pattern 130 , and may function as an upper dielectric layer of the radiation pattern 130 .
  • the protective sheet 140 may include an organic resin material having a detachable adhesive property.
  • the protective sheet 140 may include a laminated structure of a base sheet and an adhesive layer.
  • the base sheet may include a transparent resin material such as an acrylic resin, an olefin-based resin, a polyimide-based resin, or a urethane-based resin.
  • the base sheet may include an inorganic insulating material such as glass, silicon oxide, or silicon nitride.
  • the radiation pattern 130 may be formed on one surface of the protective sheet 140 .
  • the radiation pattern 130 may be formed on the base sheet, and the adhesive layer may be formed on the one surface of the protective sheet 140 to cover the radiation pattern 130 .
  • a release film may be formed on the adhesive layer.
  • the radiation pattern 130 may be formed on the periphery of the protective sheet 140 .
  • the radiation pattern 130 may be disposed on the periphery to prevent image degradation implemented by the display device.
  • the radiation pattern 130 includes silver (Ag), gold (Au), copper (Cu), aluminum (Al), platinum (Pt), palladium (Pd), chromium (Cr), titanium (Ti), and tungsten (W). , niobium (Nb), tantalum (Ta), vanadium (V), iron (Fe), manganese (Mn), cobalt (Co), nickel (Ni), zinc (Zn), tin (Sn), molybdenum (Mo) , calcium (Ca), or an alloy containing at least one of them. These may be used alone or in combination of two or more.
  • the radiation pattern 130 may include silver (Ag) or a silver alloy (eg, silver-palladium-copper (APC) alloy), or copper (Cu) or copper in consideration of low resistance implementation and fine line width patterning. alloys (eg, copper-calcium (CuCa) alloys).
  • a silver alloy eg, silver-palladium-copper (APC) alloy
  • Cu copper
  • alloys eg, copper-calcium (CuCa) alloys.
  • the radiation pattern 130 may include a transparent conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (ITZO), or zinc oxide (ZnOx).
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • ITZO indium zinc tin oxide
  • ZnOx zinc oxide
  • the radiation pattern 130 may include a stacked structure of a transparent conductive oxide layer and a metal layer, for example, may have a three-layer structure of a transparent conductive oxide layer-metal layer-transparent conductive oxide layer. .
  • the signal transmission speed may be improved by lowering the resistance
  • the corrosion resistance and transparency may be improved by the transparent conductive oxide layer
  • the radiation pattern 130 may have a mesh-pattern structure. Accordingly, the radiation pattern 130 has improved transmittance and can be prevented from being viewed by the user even when the antenna sheet 150 is attached to the viewing surface of the display device.
  • the radiation pattern 130 may have a polygonal plate shape.
  • the shape of the radiation pattern 130 may be appropriately changed in consideration of the design and radiation characteristics of the display device.
  • the radiation pattern 130 may have a circular shape, an oval shape, or the like.
  • the antenna sheet 150 may be attached on the interlayer dielectric layer 110 to be coupled with the feed line 120 .
  • the feed line 120 may be formed on the base dielectric layer 100 .
  • the base dielectric layer 100 and/or the interlayer dielectric layer 110 may include a polyester-based resin such as polyethylene terephthalate, polyethylene isophthalate, polyethylene naphthalate, and polybutylene terephthalate; Cellulose resins, such as a diacetyl cellulose and a triacetyl cellulose; polycarbonate-based resin; acrylic resins such as polymethyl (meth)acrylate and polyethyl (meth)acrylate; styrenic resins such as polystyrene and acrylonitrile-styrene copolymer; polyolefin-based resins such as polyethylene, polypropylene, polyolefin having a cyclo-based or norbornene structure, and an ethylene-propylene copolymer; vinyl chloride-based resin; amide resins such as nylon and aromatic polyamide; imide-based resin; polyether sulfone-based resin; sulfone-based resins; polyether
  • an adhesive film such as an optically clear adhesive (OCA), an optically clear resin (OCR), etc. may be included in the base dielectric layer 100 and/or the interlayer dielectric layer 110 .
  • OCA optically clear adhesive
  • OCR optically clear resin
  • the base dielectric layer 100 and/or the interlayer dielectric layer 110 may include an inorganic insulating material such as silicon oxide, silicon nitride, silicon oxynitride, glass, or the like.
  • the dielectric constant of the base dielectric layer 100 and/or the interlayer dielectric layer 110 may be adjusted in a range of about 1.5 to 12.
  • the driving frequency through the radiation pattern 130 is excessively reduced, so that radiation/drive of the antenna in a desired high frequency or very high frequency band may not be implemented.
  • the feed line 120 is disposed on the base dielectric layer 100 , and the interlayer dielectric layer 110 may be stacked on the base dielectric layer 100 and the feed line 120 .
  • the feeding line 120 may include the above-described metal or alloy.
  • the feeding line 120 may be formed in a solid metal pattern to reduce feeding resistance and promote signal transmission.
  • the feeding line 120 may be physically spaced apart from the radiation pattern 130 with the interlayer dielectric layer 110 interposed therebetween.
  • the radiation pattern 130 may be a floating electrode separated by the interlayer dielectric layer 110 with respect to the feed line 120 .
  • one end of the feed line 120 may overlap the radiation pattern 130 in the thickness direction of the antenna element, and the other end of the feed line 120 may be bonded to the circuit board 160 . .
  • the circuit board 160 may include, for example, a flexible printed circuit board (FPCB).
  • FPCB flexible printed circuit board
  • ACF anisotropic conductive film
  • An antenna driving integrated circuit (IC) chip may be mounted on the circuit board 160 .
  • an intermediate circuit board such as a rigid printed circuit board may be disposed between the circuit board 160 and the antenna driving IC chip.
  • the antenna driving IC chip may be directly mounted on the circuit board 160 .
  • antenna radiation may be implemented through the coupling of the radiation pattern 130 and the feed line 120 .
  • a ground layer 90 may be formed on a bottom surface of the base dielectric layer 100 .
  • the generation of an electric field in the feed line 120 may be further promoted through the ground layer 90 , and electrical noise around the feed line 120 may be absorbed or shielded.
  • the ground layer 90 may be included as a separate component of the antenna element.
  • a conductive member of the display device on which the antenna element is mounted may be provided as a ground layer.
  • the conductive member may include, for example, various wirings such as a gate electrode, a scan line or a data line of a thin film transistor (TFT) included in the display panel, or various electrodes such as a pixel electrode and a common electrode.
  • various wirings such as a gate electrode, a scan line or a data line of a thin film transistor (TFT) included in the display panel, or various electrodes such as a pixel electrode and a common electrode.
  • TFT thin film transistor
  • various structures including a conductive material disposed under the display panel may be provided as the ground layer 90 .
  • a metal plate eg, a stainless steel plate such as a SUS plate
  • a pressure sensor e.g., a pressure sensor
  • a fingerprint sensor e.g., a fingerprint sensor
  • an electromagnetic wave shielding layer e.g., a heat dissipation sheet
  • a digitizer e.g., a digitizer, or the like.
  • the detachable antenna sheet 150 may be attached on the interlayer dielectric layer 110 to be coupled to the power supply line 120 to provide antenna radiation driving. Accordingly, the antenna sheet 150 on which the corresponding radiation pattern 130 is formed can be easily exchanged according to the frequency environment of each region (or country).
  • the antenna sheet 150 may be detachably attached to the window surface of the display device. Accordingly, radiation interference caused by conductive structures included in the display device is reduced, and a multi-band or broadband communication function can be easily applied to the display device.
  • an alignment pattern 135 may be further formed around the radiation pattern 130 on the protective sheet 140 .
  • the antenna sheet 150 may be easily aligned and attached to overlap the one end of the feeding line 120 .
  • 3 and 4 are schematic cross-sectional views illustrating an antenna element according to some exemplary embodiments.
  • the radiation pattern 130 included in the antenna sheet 150 may be connected to the feed line 120 through the via structure 125 .
  • the via structure 125 may penetrate the interlayer dielectric layer 110 , and may contact the one end of the feed line 120 and the bottom surface of the radiation pattern 130 , respectively.
  • the via structure 125 may include the above-described metal or alloy to reduce power supply resistance. Power feeding efficiency from the feeding line 120 to the radiation pattern 130 through the via structure 125 may be further improved.
  • the interlayer dielectric layer 110 may have a multilayer structure.
  • the interlayer dielectric layer 110 may include a first interlayer dielectric layer 112 and a second interlayer dielectric layer 115 .
  • the first interlayer dielectric layer 112 may include an adhesive layer such as an OCA film.
  • the second interlayer dielectric layer 115 is stacked on the first interlayer dielectric layer 112 , and may include a window sheet of a display device.
  • the window sheet may include, for example, a hard coating film or glass (eg, ultra-thin glass (UTG)) used for a window film or a window substrate of a display device.
  • UTG ultra-thin glass
  • the via structure 125 may partially penetrate the interlayer dielectric layer 110 .
  • the via structure 125 may be formed in the first interlayer dielectric layer 112 and may not extend into the second interlayer dielectric layer 115 . Accordingly, the radiation pattern 130 may float through the second interlayer dielectric layer 115 without contacting the feed line 120 and the via structure 125 .
  • antenna radiation may be implemented by generating an electric field through coupling between the feed line 120 and the radiation pattern 130 .
  • the via structure 125 may be provided as a radiation guide pattern that promotes the coupling or generation of an electric field.
  • FIG. 5 is a schematic plan view illustrating an antenna element according to some exemplary embodiments. For convenience of explanation, illustration of the interlayer dielectric layer 110 and the protective sheet 140 is omitted in FIG. 5 .
  • the antenna element may further include an internal antenna unit 170 in addition to the radiation pattern 130 described with reference to FIGS. 1 to 4 included in the antenna sheet 150 .
  • the internal antenna unit 170 and the radiation pattern 130 may be located on different layers or different levels.
  • the internal antenna unit 170 is formed on the base dielectric layer 100 together with the feed line 120 , and may be inserted into the display device in the form of a patch antenna.
  • the radiation pattern 130 may be formed on the protective sheet 140 and disposed on the interlayer dielectric layer 110 .
  • the internal antenna unit 170 may include an internal radiation pattern 172 and a transmission line 174 .
  • the internal radiation pattern 172 may have, for example, a polygonal plate shape, and the transmission line 174 may extend from one side of the internal radiation pattern 172 .
  • the transmission line 174 may be formed as a single member substantially integral with the internal radiation pattern 172 .
  • the internal antenna unit 170 may further include a signal pad 176 .
  • the signal pad 176 may be connected to one end of the transmission line 174 .
  • the signal pad 176 is formed as a member substantially integral with the transmission line 174 , and the distal end of the transmission line 174 may be provided as the signal pad 176 .
  • a ground pad 178 may be disposed around the signal pad 176 .
  • a pair of ground pads 178 may be disposed to face each other with the signal pad 176 interposed therebetween.
  • the ground pad 178 may be electrically and physically separated from the transmission line 174 around the signal pad 176 .
  • the internal antenna unit 170 may include the above-described metal or alloy (eg, APC alloy or CuCa alloy).
  • the internal antenna unit 170 may include a transparent conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium zinc tin oxide (IZTO), cadmium tin oxide (CTO), etc. have.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • ZnO zinc oxide
  • IZTO indium zinc tin oxide
  • CTO cadmium tin oxide
  • the internal antenna unit 170 may include a stacked structure of a transparent conductive oxide layer and a metal layer.
  • the internal antenna unit 170 may have a two-layer structure of a transparent conductive oxide layer-metal layer or a three-layer structure of a transparent conductive oxide layer-metal layer-transparent conductive oxide layer.
  • the internal radiation pattern 172 may be disposed in the display area of the display device. In some embodiments, a portion of the transmission line 174 may also be disposed within the display area.
  • the radiation pattern 172 and the transmission line 174 may be formed to include a mesh-pattern structure.
  • the signal pad 176 and the ground pad 178 may be formed of a solid metal pattern to reduce a power supply resistance through the circuit board 160 and prevent signal loss.
  • the transmission line 174 may also include a partially filled metal pattern.
  • the circuit board 160 shown in FIG. 1 may be bonded together on the signal pad 176 and the other end of the feed line 120 . As the ground pads 178 are arranged around the signal pad 176 , bonding stability of the circuit board 160 may be further improved.
  • the internal antenna unit 170 may be an antenna that is basically applied to a display device and provided in a commercialized state. While implementing a predetermined antenna radiation through the internal antenna unit 170, it is possible to further expand the radiation coverage according to the frequency environment by region using the detachable antenna sheet 150.
  • FIG. 6 and 7 are schematic cross-sectional views and plan views, respectively, of display devices according to exemplary embodiments.
  • FIG. 7 illustrates a window surface or a front portion of a display device implemented in the form of a smart phone.
  • the display apparatus 200 may include a display panel 230 and the aforementioned antenna element stacked on the display panel 230 .
  • the display panel 230 includes a panel substrate, a TFT circuit structure formed on the panel substrate, a pixel electrode connected to the TFT circuit structure, a display layer (eg, an organic light emitting layer or a liquid crystal layer) formed on the pixel electrode, and the It may include a common electrode covering the display layer, an encapsulation layer covering the common electrode, and the like.
  • the display panel 230 may be an organic light emitting diode (OLED) panel.
  • the above-described antenna element may be stacked on the display panel 230 .
  • a detachable antenna sheet 150 may be stacked on the interlayer dielectric layer 110 .
  • the interlayer dielectric layer 110 may include a window sheet that provides a window surface of the display device as described above.
  • the window sheet is laminated on the interlayer dielectric layer 110 , and the antenna sheet 150 may be attached to the window sheet.
  • a touch sensor layer 240 and a polarization layer 250 may be further included between the display panel 230 and the antenna element.
  • the touch sensor layer 240 , the polarization layer 250 , and the antenna element may be sequentially stacked from the display panel 230 . In this case, it is possible to effectively prevent the sensing electrodes included in the touch sensor layer 240 from being recognized by the user.
  • the polarization layer 250 may be included as a lower dielectric layer of the antenna element.
  • the display apparatus 200 may include a display area 210 and a peripheral area 220 .
  • the peripheral area 220 may be disposed on both sides and/or both ends of the display area 210 .
  • the feed line 120 of the antenna element is disposed in a peripheral area of the display device, and the radiation pattern 130 included in the antenna sheet 150 is at least partially disposed over the display area 210 .
  • the peripheral region 220 may correspond to, for example, a light blocking portion or a bezel portion of the image display device.
  • a driving circuit such as a driving IC chip of the display device 200 and/or an antenna may be disposed in the peripheral region 220 .
  • the circuit board 160 may be disposed in the peripheral area 220 , for example, may be bent toward the rear surface of the display apparatus 200 to be electrically connected to the main board or the antenna driving IC chip.

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Abstract

La présente invention concerne un dispositif d'antenne et un appareil d'affichage le comprenant. Le dispositif d'antenne comprend : une ligne d'alimentation ; une couche diélectrique intermédiaire disposée sur la ligne d'alimentation ; et une feuille d'antenne couplée de façon détachable à la couche diélectrique intermédiaire, la feuille d'antenne comprenant une feuille de protection et un motif de rayonnement formé sur la surface de la feuille de protection. Une antenne ayant une fréquence appropriée selon les régions peut être couplée à un appareil d'affichage à l'aide de la feuille d'antenne.
PCT/KR2021/007241 2020-06-15 2021-06-10 Dispositif d'antenne et appareil d'affichage le comprenant WO2021256774A1 (fr)

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KR10-2020-0072432 2020-06-15
KR1020200072432A KR20210155210A (ko) 2020-06-15 2020-06-15 안테나 소자 및 이를 포함하는 디스플레이 장치

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CN114566791A (zh) * 2022-03-01 2022-05-31 上海天马微电子有限公司 一种显示模组和显示装置

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KR20200005950A (ko) * 2018-07-09 2020-01-17 삼성전자주식회사 신호 배선을 둘러싸는 복수의 그라운드 배선들이 배치된 연성 회로기판을 포함하는 전자 장치
KR20200010906A (ko) * 2018-07-23 2020-01-31 동우 화인켐 주식회사 안테나 구조체 및 이를 포함하는 디스플레이 장치

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