公开(公告)号：US20180013397A1

公开(公告)日：2018-01-11

申请号：US15621552

申请日：2017-06-13

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Chang Hyun LIM ,  Moon Chul LEE ,  Won HAN ,  Tae Kyung LEE ,  Dae Ho KIM

IPC: H03H9/02 ,  H03H3/02 ,  H03H9/10 ,  H03H9/17

CPC classification number: H03H9/02015 ,  H03H3/02 ,  H03H9/02047 ,  H03H9/02118 ,  H03H9/1007 ,  H03H9/171 ,  H03H9/173 ,  H03H2003/021

Abstract: A bulk acoustic wave filter device includes a substrate, a lower electrode on the substrate, a piezoelectric layer covering at least a portion of the lower electrode, and an upper electrode covering at least a portion of the piezoelectric layer. The upper electrode has a density reduction layer disposed on at least a portion thereof, except a central portion of a resonance region of the bulk acoustic wave filter device that deforms and vibrates with the piezoelectric layer during activation of the piezoelectric layer. The density reduction layer has a density lower than a density of other portions of the upper electrode.

公开(公告)号：US20150101853A1

公开(公告)日：2015-04-16

申请号：US14514020

申请日：2014-10-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Tae Kyung LEE ,  Beom Seok OH ,  Kee Su JEON ,  Man Sub SHIN

IPC: H05K1/02 ,  H05K1/03

CPC classification number: H05K1/0274 ,  G06F1/1643 ,  G06F3/041 ,  G06F2203/04103 ,  H05K1/0313 ,  H05K2201/10121 ,  H05K2201/10151 ,  Y10T428/24793

Abstract: Embodiments of the invention provide a touch sensor including a window substrate and a bezel layer formed on outer edges of one surface of the window substrate, wherein the bezel layer includes a printed layer formed on the window substrate, a medium layer formed on the printed layer and having a refractive index lower than that of the printed layer, and a reflective layer formed on the medium layer. According to at least one embodiment, the bezel layer formed on the window substrate is reduced in thickness and various colors are more easily implemented.

Abstract translation: 本发明的实施例提供了一种触摸传感器，其包括窗口基板和形成在窗口基板的一个表面的外边缘上的边框层，其中边框层包括形成在窗口基板上的印刷层，形成在印刷层上的介质层 并且折射率低于印刷层的折射率，以及形成在介质层上的反射层。 根据至少一个实施例，形成在窗口基板上的边框层的厚度减小，并且更容易实现各种颜色。

公开(公告)号：US20140225962A1

公开(公告)日：2014-08-14

申请号：US13859989

申请日：2013-04-10

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Tae Kyung LEE ,  Jae Chang Lee ,  Hwa Sun Lee

IPC: B41J2/14

CPC classification number: B41J2/14233 ,  H01L41/257

Abstract: There is provided a poling method for a piezoelectric element, including performing preliminary poling of the piezoelectric element twice or more with different voltages and measuring conductance of the piezoelectric element with regard to respective voltage, establishing a relational expression between the voltage and the conductance of the piezoelectric element, calculating targeted conductance required to exhibit a targeted piezoelectric characteristic of the piezoelectric element, and selecting a targeted voltage level corresponding to the targeted conductance and performing final poling of the piezoelectric element at the targeted voltage level.

Abstract translation: 提供了一种用于压电元件的极化方法，其包括用不同的电压对压电元件进行两次或更多次的初步极化，并测量压电元件相对于各自的电压的电导，建立电压和电导之间的关系表达式 压电元件，计算呈现压电元件的目标压电特性所需的目标电导，并选择与目标电导相对应的目标电压电平，并在目标电压电平下执行压电元件的最终极化。

公开(公告)号：US20240264334A1

公开(公告)日：2024-08-08

申请号：US18406744

申请日：2024-01-08

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byung Ju KIM ,  Na Yi KANG ,  Tae Kyung LEE

IPC: G02B1/111 ,  C09D7/61 ,  G02B1/18 ,  G02B13/00 ,  H05K1/02

CPC classification number: G02B1/111 ,  C09D7/61 ,  G02B1/18 ,  G02B13/0015 ,  H05K1/0274

Abstract: A lens includes a lens unit, an intermediate layer disposed on one surface of the lens unit, a first coating layer including a UV improving additive and disposed on one surface of the intermediate layer, and a second coating layer including a water repellent and disposed on one surface of the first coating layer.

公开(公告)号：US20240210596A1

公开(公告)日：2024-06-27

申请号：US18510845

申请日：2023-11-16

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jin Woo YI ,  Sung Jun LEE ,  Tae Kyung LEE ,  Sung Sun KIM ,  Young Kyo JUNG

IPC: G02B1/11

CPC classification number: G02B1/11

Abstract: A lens includes a lens unit; an anti-reflective (AR) coating layer, disposed on one surface of the lens unit, including a first coating layer and a second coating layer alternately stacked one or more times, wherein a refractive index of the first coating layer is different from a refractive index of the second coating layer; and an intermediate layer, disposed between the lens unit and the AR coating layer, is formed of a same material as the first coating layer or the second coating layer. The intermediate layer is disposed on the lens unit by chemical vapor deposition (CVD).

公开(公告)号：US20240069310A1

公开(公告)日：2024-02-29

申请号：US18184962

申请日：2023-03-16

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Tae Kyung LEE ,  Byung Ju KIM ,  Jung Ho LEE ,  Na Yi KANG ,  Joung Hun KIM ,  Jae Goon AUM

IPC: G02B13/00 ,  G02B1/18

CPC classification number: G02B13/0055 ,  G02B1/18 ,  G02B5/208 ,  G02B2207/101

Abstract: A lens includes a lens unit; an intermediate layer configured to cover a surface portion of the lens unit; and a water-repellent layer, configured to cover a surface portion of the intermediate layer, including a base layer and an ultraviolet (UV) absorber disposed in the base layer.

公开(公告)号：US20230072487A1

公开(公告)日：2023-03-09

申请号：US17676905

申请日：2022-02-22

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Won HAN ,  Hwa Sun LEE ,  Moon Chul LEE ,  Jeong Hoon RYOU ,  Tae Yoon KIM ,  Sang Kee YOON ,  Yong Suk KIM ,  Joung Hun KIM ,  Tae Kyung LEE ,  Jae Hyoung GIL

IPC: H03H9/02 ,  H03H3/04 ,  H03H9/17

Abstract: A bulk acoustic wave resonator is provided. The bulk acoustic wave resonator includes a board; a resonant portion including a first electrode, a piezoelectric layer, and a second electrode, and disposed on the board, and a temperature compensation layer disposed on the resonant portion, wherein the temperature compensation layer includes a temperature compensation portion formed of a dielectric and a loss compensation portion formed of a material different from a material of the temperature compensation portion, and wherein each of the temperature compensation portion and the loss compensation portion includes a plurality of linear patterns, and the linear patterns of the temperature compensation portion and the linear patterns of the loss compensation portion are alternately disposed.

公开(公告)号：US20220399874A1

公开(公告)日：2022-12-15

申请号：US17511696

申请日：2021-10-27

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Tae Kyung LEE ,  Sang Heon HAN ,  Hwa Sun LEE ,  Jae Goon AUM ,  Sung HAN

IPC: H03H9/17 ,  H03H9/13 ,  H03H9/02 ,  H03H3/02

Abstract: An acoustic wave resonator package is provided. The acoustic wave resonator package includes an acoustic wave resonator including an acoustic wave generator on a first surface of a substrate; a cover disposed to face the first surface of the substrate; a bonding member disposed between the substrate and the cover, and configured to bond a bonding surface of the acoustic wave generator and the cover to each other, wherein the bonding member includes glass frit, and the bonding surface of the acoustic wave resonator which is bonded to the bonding member may be formed of a dielectric material.

公开(公告)号：US20220140811A1

公开(公告)日：2022-05-05

申请号：US17220119

申请日：2021-04-01

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Tae Kyung LEE ,  Dae Hun JEONG ,  Ran Hee SHIN ,  Jin Suk SON ,  Hwa Sun LEE ,  Jae Goon AUM

IPC: H03H9/17 ,  H03H9/02

Abstract: A bulk acoustic wave resonator is provided. The resonator includes a substrate; a resonant portion including a first electrode, a piezoelectric layer, and a second electrode sequentially stacked on the substrate; and a temperature compensation layer disposed at least one of above and below the piezoelectric layer, wherein a material of the temperature compensation layer has a coefficient of thermal expansion of which a sign is opposite to a sign of a coefficient of thermal expansion of a material of the piezoelectric layer, and wherein a relation of a thickness of the temperature compensation layer and a thickness of the piezoelectric layer satisfies the following equation: 0.25

公开(公告)号：US20200373899A1

公开(公告)日：2020-11-26

申请号：US16989129

申请日：2020-08-10

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Tae Kyung LEE ,  Tae Yoon KIM ,  Sang Kee YOON ,  Chang Hyun LIM ,  Jong Woon KIM ,  Moon Chul LEE

IPC: H03H9/02 ,  H03H9/54 ,  H03H9/17 ,  H03H9/13 ,  H01L41/053 ,  H01L41/29 ,  H01L41/31 ,  H03H3/02

Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 Å≤ΔMg≤170 Å may be satisfied, ΔMg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.