Industrial Technology Research Institute

Epistar Corporation

Wei Chung

Wei-Yu Li

Kin-Lu Wong

Tune-Hune Kao

Meng-Chi Huang

Min-Chieh Chou

Shih-Ming Lin

Chun-An Lu

Jiun-Jang Yu

Joseph Wang

Hsin-Chu Chen

Chi Hao Huang

Wen-Hua Zhang

Chen-Chun Yu

The disclosure provides an integrated multi-feed antenna, including a first conductor layer, a second conductor layer, and multiple feeding conductor lines. The second conductor layer has a first center position. The second conductor layer has a closed slit structure. The closed slit structure surrounds the first center position to encircle forming a center region. The second conductor layer is spaced apart from the first conductor layer at a first interval. Each of the feeding conductor lines has one end electrically connected or electrically coupled to the second conductor layer, and each has another end electrically connected to a signal source. Each of the feeding conductor lines excites the second conductor layer to generate at least one resonant mode. The resonant modes cover at least one identical wireless communication band.

Integrated multi-feed antenna

An electromagnetic wave guidance and beam reshaping structure is favorable to incorporate a radiation source antenna into an energy focusing system. The electromagnetic wave guidance and beam reshaping structure includes a substrate, a plurality of metal patterns and a plurality of hollow structures. The substrate includes a central portion and a peripheral portion that surrounds the central portion. The plurality of metal patterns are disposed on the central portion. The plurality of hollow structures are disposed in the peripheral portion. The metal patterns are axisymmetrically arranged with respect to a central axis of the substrate, and the hollow structures are axisymmetrically arranged with respect to the central axis of the substrate.

Electromagnetic wave guidance and beam reshaping structure

A transparent antenna includes a substrate, an antenna grid layer, and a ground grid layer. The substrate has an electrically conductive hole extending from two opposite surfaced of the substrate. The antenna grid layer is formed on a surface of the substrate. The antenna grid layer includes a feeding portion and a transmission portion. The ground grid layer is formed on another surface of the substrate. The ground grid layer is coupled to the feeding portion of the antenna grid layer via the electrically conductive hole. An offset distance between a projection of a gridline of the antenna grid layer on the first surface and a projection of a gridline of the ground grid layer on the first surface is smaller than or equal to half of a difference between a line width of the antenna grid layer and a line width of the ground grid layer.

Transparent antenna and manufacturing method thereof

The disclosure provides a multi-feed antenna including a first conductor layer, a second conductor layer, four supporting conductor structures and four feeding conductor lines. The second conductor layer has a first center position and is spaced apart from the first conductor layer at a first interval. The four electrically connected sections respectively extend from different side edges of the second conductor layer toward the first center position, so that the second conductor layer forms four mutually connected radiating conductor plates. The four feeding conductor lines are all located between the first conductor layer and the second conductor layer. The four feeding conductor lines and the four supporting conductor structures form an interleaved annular arrangement. The four feeding conductor lines excite the second conductor layer to generate at least four resonant modes. The at least four resonant modes cover at least one identical first communication band.

Multi-feed antenna

The disclosure provides an integrated wideband antenna, comprising a first conductor layer, a first conductor patch, a second conductor patch, a feeding conductor structure and a signal source. The first conductor patch has a first coupling edge and a first connecting edge. The first connecting edge electrically connects with the first conductor layer through a first shorting structure. The second conductor patch has a second coupling edge and a second connecting edge. The second connecting edge electrically connects with the first conductor layer through a second shorting structure. The second coupling edge is spaced apart from the first coupling edge at a third interval forming a resonant open slot. The feeding conductor structure is located within the resonant open slot and has a first conductor line, a second conductor line and a third conductor line. The first conductor line is spaced apart from the first coupling edge with a first coupling interval. The second conductor line is spaced apart from the second coupling edge with a second coupling interval. The third conductor line electrically connects the first conductor line and the second conductor line. The signal source is electrically coupled to the feeding conductor structure. The signal source excites the integrated wideband antenna to generate one multi-resonance mode covering at least one first communication band. [REPRESENTATIVE FIGURE]: FIG.A Simple Symbolic Explanation of the Representative Figure Characteristic Chemical Formula NONE

Integrated wideband antenna

A highly integrated pattern-variable multi-antenna array, including a ground conductor structure, a first antenna array, a second antenna array, and an array conjoined grounding structure, is provided. A first inverted L-shaped resonant structure has a first feeding point, and the others respectively have a first switch and are electrically connected or coupled to the ground conductor structure. A second inverted L-shaped resonant structure has a second feeding point, and the others respectively have a second switch and are electrically connected or coupled to the ground conductor structure. The first and second antenna arrays respectively generate first and second resonance modes. The second and first resonance modes cover at least one same first communication frequency band. The array conjoined grounding structure electrically connects an adjacent first inverted L-shaped resonant structure, one of the second inverted L-shaped resonant structures, and has an array conjoined capacitive structure electrically connecting the ground conductor structure.

Highly integrated pattern-variable multi-antenna array

A highly-integrated multi-antenna array comprising a first conductor layer, a second conductor layer, a plurality of conjoined conducting structures, a plurality of slot antennas, and a conjoined slot structure is provided. The first conductor layer and the second conductor layer are spaced apart by a first interval, and are electrically connected by the conjoined conducting structures. Each slot antenna has a radiating slot structure and a signal coupling line, which partially overlap or cross each other. All radiating slot structures are formed at the second conductor layer. Each signal coupling line is spaced apart from the second conductor layer by a coupling interval and has a signal feeding point. Each slot antenna is excited to generate at least one resonant mode covering at least one identical first communication band. The conjoined slot structure is formed at the second conductor layer and connects with all radiating slot structures.

Highly-integrated multi-antenna array

Provided is a hybrid multi-band antenna array, including: a multilayer substrate board including a ground conductor structure having a first edge; a first antenna array including a plurality of folded loop antennas, all of which being integrated with the multilayer substrate board and arranged along the first edge sequentially, wherein the first antenna array is excited to generate a first resonant mode covering at least one first communication band; and a second antenna array including a plurality of parallel-connected slot antennas, all of which being integrated with the multilayer substrate board and arranged along the first edge sequentially, wherein the second antenna array is excited to generate a second resonant mode covering at least one second communication band, and a frequency of the second resonant mode is lower than a frequency of the first resonant mode.

Hybrid multi-band antenna array

A laminated antenna structure includes a substrate, a first conductive circuit layer, an insulating colloidal layer, a second conductive circuit layer and a conductive structure. The first conductive circuit layer is disposed on or above the substrate, the second conductive circuit layer is disposed above the first conductive circuit layer, and the insulating colloidal layer is disposed between the first and the second conductive circuit layers. The first conductive circuit layer, the insulating colloidal layer and the second conductive circuit layer form a laminated capacitive structure. The conductive structure is electrically connected to a signal source on the substrate, and the signal source is electrically connected to at least one of the first conductive circuit layer and the second conductive circuit layer. The insulating colloidal layer contains catalyzers.

Laminated antenna structure

A method of forming a rough surface includes: providing an article having a top surface, forming a plurality of agglomerated grains on the top surface by a deposition process, and patterning the top surface to form a rough surface by using the plurality of agglomerated grains as a mask.

Method of manufacturing optoelectronic element having rough surface

A beam antenna comprising a first material layer, a second material layer, a first radiating conductor unit and an energy transmission conductor layer is provided. The first material layer has a signal source and a first conductor layer. The second material layer has a first thin-film layer, where the first thin-film layer is adhered on a surface of the second material layer. The first thin-film layer further comprises an insulating gel and a plurality of trigger particles. The first radiating conductor unit is adhered on a surface of the first thin-file layer, and the first thin-file layer is located between the first radiating conductor unit and the second material layer. The energy transmission conductor structure is disposed between the first and the second material layers, which has a first terminal and a second terminal that electrically coupled or connected to the signal source and the first radiating conductor unit respectively.

Growing community of inventors

Hsinchu County, Taiwan

Wei Chung