Dongwoo Fine-chem Co., Ltd.

Seung Hyun Shin

Yun Seok Oh

Na Yeon Kim

Won Hee Lee

Byung Jin Choi

Dong Pil Park

Hee Jun Park

An antenna stack structure according to an embodiment includes a lower dielectric layer, an antenna electrode layer formed on the lower dielectric layer, and an upper dielectric layer disposed on the antenna electrode layer. A dielectric constant of the upper dielectric layer is 1 or more and less than 7, and a thickness of the upper dielectric layer is in a range from 100 μm to 1,300 μm. A frequency and a band width are finely controlled using the upper dielectric layer while suppressing excessive gain reduction and frequency shift.

Antenna stack structure and display device including the same

An antenna device according to embodiments of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, the antenna unit including a radiator and a transmission line connected to the radiator, and a reflective pattern electrically and physically separated from the antenna unit and disposed on the top surface of the dielectric layer together with the antenna unit. A frequency or signal transfer between different communication devices can be implemented through the reflective pattern.

Antenna device and display device including the same

An antenna device according to an embodiment of the present invention includes a substrate layer, an antenna unit formed on a top surface of the substrate layer, a circuit wiring disposed on the top surface of the substrate layer and directly connected to the antenna unit, a stress compensation layer covering the circuit wiring on the top surface of the substrate layer and having a thickness greater than a thickness of the substrate layer, a first dielectric layer formed on a bottom surface of the substrate layer to overlap the circuit wiring in a planar view, and a first ground layer overlapping the circuit wiring in the planar view with the first dielectric layer or the stress compensation layer interposed therebetween.

Antenna device and image display device including the same

An antenna package according to an embodiment of the present disclosure includes an antenna device including a dielectric layer and an antenna unit disposed on the dielectric layer, and a circuit board. The antenna unit includes a radiator and a transmission line extending from the radiator. The circuit board includes a core layer and a signal wiring disposed on the core layer and electrically connected to the antenna unit. The circuit board has a bonding region adhered to the antenna device, a signal transmission region including the signal wiring and a connect region including a connector connected to a terminal end portion of the signal wiring. A length of the transmission line of the antenna unit is greater than or equal to a length of the signal transmission region of the circuit board.

Antenna package and image display device including the same

An antenna device according to an embodiment of the present invention includes a dielectric layer, a first radiation pattern disposed on the dielectric layer, a second radiation pattern disposed in the first radiation pattern and partially separated from the first radiation pattern, and a transmission line commonly connected to the first radiation pattern and the second radiation pattern.

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Seoul, South Korea

Seung Hyun Shin