# US 12,009,585 B2 · Electronic device equipped with transparent antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,585 B2 - Document ID: US12009585B2 - Status: Granted - Kind: B2 - Application number: 17/632,218 - Filed: 2019-08-22 - Published: 2022-09-01 - Granted: 2024-06-11 - Earliest claimed: 2019-08-22 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seungmin Woo - Web page: https://patentgrep.com/patent/US12009585B2 ## CPC - H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) - H01Q 1/24: with receiving set - H01Q 1/243: {with built-in antennas} - H01Q 1/44: using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) - H01Q 3/26: varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture ({H01Q3/12,} H01Q3/22, H01Q3/24 take precedence) - H01Q 9/045: {with particular feeding means (for circular polarisation H01Q9/0428)} - H01Q 13/10: Resonant slot antennas - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract Provided, according to the present invention, is an electronic device equipped with a transparent antenna for 5G communication. The electronic device comprises: an antenna embedded and operating in a display; and a transmission line for feeding power to the antenna. The antenna comprises: a feeder portion connected to the transmission line and composed of metal mesh lines disposed parallel with respect to the boundary line of the transmission line; and a slot region formed in the antenna and composed of orthogonal metal mesh lines disposed orthogonal to the metal mesh lines, wherein in the electronic device equipped with a transparent antenna, the metal mesh lines are disposed orthogonal to an antenna area in the slot region and a dielectric area in addition to the antenna area, thereby improving electrical characteristics in a high-frequency band. ## Claims ### Claim 1 An electronic device, comprising: an antenna embedded and operating in a display; and a transmission line configured to feed the antenna; wherein the antenna comprises: a feeder connected to the transmission line and including metal mesh lines arranged parallel to a boundary of the transmission line; and a slot region defined inside the antenna and including orthogonal metal mesh lines arranged in a direction orthogonal to the metal mesh lines of the feeder, wherein the slot region has a T-shape and comprises: a first slot region including the orthogonal metal mesh lines; and a second slot region connected to the first slot region via a gap that contains no metal mesh lines, the second slot region having a slot with a width different from a width of a slot of the first slot region, the second slot region separated by the gap from the orthogonal metal mesh lines in the slot of the first slot region, the second slot region including second orthogonal metal mesh lines parallel to the orthogonal metal mesh lines in the first slot region. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the antenna further comprises a radiator region configured in a square mesh line form to radiate a signal transmitted from the feeder. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein first dummy metal lines are further arranged on one side region and another side region adjacent to the radiator region, and wherein the first dummy metal lines are parallel to the metal mesh lines of the feeder and orthogonal to the orthogonal metal mesh lines of the slot region. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein second dummy metal lines are further arranged on an upper region adjacent to the radiator region, and wherein the second dummy metal lines are orthogonal to the metal mesh lines of the feeder and parallel to the orthogonal metal mesh lines of the slot region. ### Claim 5 (depends on 4) The electronic device of claim 4, wherein a first gap is defined between the second dummy metal lines arranged on right and left regions of the upper region and the second dummy metal lines arranged on a central region of the upper region, to prevent a generation of surface current on a dielectric substrate. ### Claim 6 (depends on 5) The electronic device of claim 5, wherein the second dummy metal lines arranged on the central region of the upper region has an electrical length corresponding to a substantially half-wavelength of an operating frequency, to prevent interference with respect to the second dummy metal lines arranged on the left and right regions of the upper region. ### Claim 7 (depends on 4) The electronic device of claim 4, wherein the first dummy metal lines and the second dummy metal lines are arranged to be orthogonal to each other, and wherein a second gap is defined between the first dummy metal lines and the second dummy metal lines to prevent a generation of surface current on a dielectric substrate. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the transmission line is configured to have a Co-Planar Waveguide (CPW) line structure that comprises: an inner conductor region operating as a signal line; an outer conductor region operating as a ground; and a dielectric region disposed between the inner conductor region and the outer conductor region. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the antenna includes metal mesh lines disposed on a dielectric to define a transparent region, and wherein the CPW line structure includes printed metal patterns disposed on the dielectric to define a non-transparent region. ### Claim 10 (depends on 9) The electronic device of claim 9, wherein the antenna and the CPW line are disposed on dielectrics of different layers, and wherein the CPW line is disposed below the antenna and a signal transmitted through the CPW line is radiated through the slot region. ### Claim 11 (depends on 8) The electronic device of claim 8, wherein the CPW line structure includes metal mesh lines disposed on a dielectric to define a transparent region, and wherein the antenna includes metal mesh lines disposed on the dielectric to define the transparent region. ### Claim 12 (depends on 11) The electronic device of claim 11, wherein the antenna and the CPW line are disposed on a dielectric of the same layer, and wherein the inner conductor region of the CPW line comprises a strip line that is connected to the feeder. ### Claim 13 (depends on 8) The electronic device of claim 8, wherein the antenna is configured as an array antenna for beamforming, wherein each antenna element of the array antenna is connected to an inner conductor of the CPW line, and wherein the electronic device further comprises a transceiver circuit disposed on a rear surface of the display, connected to each antenna element of the array antenna, and configured to transmit a signal to each antenna element. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein the array antenna comprises first to fourth array antennas disposed at upper left, upper right, lower left, and lower right portions inside the display of the electronic device, and wherein the transceiver circuit further includes first to fourth transceiver circuits configured to transmit signals to the first to fourth array antennas, respectively. ### Claim 15 An electronic device, comprising: a display; and an array antenna disposed inside the display and including metal mesh lines, and wherein each antenna element of the array antenna comprises: a feeder connected to a transmission line and including metal mesh lines arranged parallel to a boundary of the transmission line; and a slot region defined inside the antenna element and including orthogonal metal mesh lines arranged in a direction orthogonal to the metal mesh lines of the feeder, wherein the slot region has a T-shape and comprises: a first slot region including the orthogonal metal mesh lines; and a second slot region connected to the first slot region via a gap that contains no metal mesh lines, the second slot region having a slot with a width different from a width of a slot of the first slot region, the second slot region separated by the gap from the orthogonal metal mesh lines in the slot of the first slot region, the second slot region including second orthogonal metal mesh lines parallel to the orthogonal metal mesh lines in the first slot region. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein each antenna element further comprises a radiator region configured in a square mesh line form to radiate a signal transmitted from the feeder. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein first dummy metal lines are further arranged on one side region and another side region adjacent to the radiator region, and wherein the first dummy metal lines are parallel to the metal mesh lines of the feeder and orthogonal to the orthogonal metal mesh lines of the slot region. ### Claim 18 (depends on 17) The electronic device of claim 17, wherein second dummy metal lines are further arranged on an upper region adjacent to the radiator region, and wherein the second dummy metal lines are orthogonal to the metal mesh lines of the feeder and parallel to the orthogonal metal mesh lines of the slot region, and a gap is defined between the second dummy metal lines arranged on right and left regions of the upper region and the second dummy metal lines arranged on a central region of the upper region.