Lg Display Co., Ltd.

Samsung Electronics Co., Ltd.

Kwangho Kim

Sungtae Lee

YeongRak Choi

KwanHo Park

Sungsu Ham

SeYoung Kim

Cheolhwan Lim

Kwanho Park

Hogeol Lim

Yongjin Lee

Sangho Kim

Seungo Jeon

Donghun Heo

Minkyu Choi

Chiwan Kim

Michael Choi

Yuseon Kho

Joongsup Han

MinHo Sohn

JunSeok Oh

Daeho Kim

Taek-Sung Kim

Jiwoo Lee

Minji Kim

Hye-Jin Kim

Dongjin Lee

Kyungyeol Ryu

Junhyeok Yang

Jeonggoo Kang

Dongryul Shin

Young-Goo Ko

SeungRyull Park

GyungBo Ha

Sooyoung Jang

Kwangjin Lee

Min-ho Kim

Yong-Jun Lee

Chulhyung Yang

Qi Wang

Hyuck-Sun Kwon

Seunghun Shin

Junseok Oh

Haejung Choi

Junhee Shin

Jooseong Kim

Hyunmyoung Kim

Jeongbeom Lee

MyungJin Bae

YoungWook Ha

Wooyeong Cho

Janghwan Kim

Inchan Jeong

Hyunho Choi

Hwan-Jin Yong

Donghyun Song

Kyoungsub Oh

Byungse So

Hojin Park

Wonjin Choi

Hyungjong Ko

Byungjin Ahn

Sungkee Kim

Joonbo Park

Sangjin Lim

Youngbin Kwon

Yeongrak Choi

Seyoung Kim

Taehyoung Kim

Wowjin Choi

Junhyuck Lee

Moonhyuk Choi

Taehwa Yoo

Jongsoo Seo

Kwanjong Park

Sun-kyu Lee

HoSung Roh

JinHyuk Jeung

Hanjae Bae

Youngwook Ha

Minho Sohn

Myungjin Bae

A sound apparatus can include a vibration member; a housing at a rear surface of the vibration member; a connection member disposed between the vibration member and the housing; and a vibration apparatus configured to vibrate the vibration member. The vibration apparatus can include at least one piezoelectric element for producing sound. Also, the connection member can have a first stiffness that is less than a second stiffness of the housing, and the vibration member can be isolated from the housing by the connection member.

Sound apparatus

An apparatus includes a vibration plate including an area and a bezel area surrounding the area, at least one vibration generator overlapping the area, and at least one exciter overlapping the bezel area. The at least one vibration generator does not overlap the bezel area. The at least one exciter includes a piezoelectric element. Each of the at least one vibration generator and the at least one exciter is configured to vibrate the vibration plate to generate sound.

Sound generating apparatus

A sound generating device includes a plate, a frame outside of the plate, a magnet at the plate, a bobbin around the magnet, a coil outside the bobbin, and a connection part connected to the frame. The connection part includes a plurality of first connection parts configured around the frame and connected to the frame, and a second connection part configured around the frame and connected to the plurality of first connection parts. The connection part is configured to vibrate together with a vibration of the frame.

Sound generating device and display apparatus including the same

A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.

Display apparatus

A temperature measurement circuit includes a band-gap reference circuit configured to generate a band-gap reference voltage that is fixed regardless of an operation temperature, a reference voltage generator circuit configured to generate a measurement reference voltage by adjusting the band-gap reference voltage, a sensing circuit configured to generate a temperature-variant voltage based on a bias current, where the temperature-variant voltage is varied depending on the operation temperature, an analog-digital converter circuit configured to generate a first digital code indicating the operation temperature based on the measurement reference voltage and the temperature-variant voltage, and an analog built-in self-test (BIST) circuit configured to generate a plurality of flag signals indicating whether each of the band-gap reference voltage, the measurement reference voltage, and a bias voltage corresponding to the bias current is included in a predetermined range.

Built-in self-test circuit and temperature measurement circuit including the same

A sound apparatus may include a vibration member, a housing configured to cover a rear surface of the vibration member, and a vibration apparatus including one or more vibration devices configured to vibrate the vibration member. The vibration member may include a non-planar structure.

Sound apparatus and sound system including the same

A laser detecting circuit is provided. The laser detecting circuit includes a latch circuit with a first inverter configured to invert a first output signal at a first node to generate a second output signal at a second node, and a second inverter configured to generate the first output signal based on the second output signal. The second inverter includes a plurality of PMOS transistors connected in series between a first source voltage and the first node, and a plurality of NMOS transistors. A gate of each of the plurality of PMOS transistors is connected to the second node, and a drain of each of the plurality of NMOS transistors is connected to the first node. The plurality of NMOS transistors includes dummy NMOS transistors and normal NMOS transistors.

Laser detecting circuit and semiconductor apparatus including the same

A display apparatus includes a display panel configured to display an image; a plate on a rear surface of the display panel; a rear structure on a rear surface of the plate and configured to support the display panel; a vibration member configured to vibrate the plate; and a first supporting member between a periphery of the plate and the rear structure.

Display apparatus with multiple supporting members

A vibration apparatus may include a vibration plate, a vibration generator at the vibration plate, and a connection member between the vibration plate and the vibration generator. The vibration generator may include a vibration structure. The connection member may include a first connection member between the vibration plate and the vibration structure and overlapping the vibration structure. The connection member may also include a second connection member surrounding the first connection member. A modulus of the first connection member may be greater than a modulus of the second connection member.

Vibration apparatus and apparatus including the same

A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.

Sound generating device, display apparatus including the same, and automotive apparatus including the sound generating device

A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.

A display apparatus may include: a display panel configured to display an image, a supporting member configured to support the display panel, a coupling member in the supporting member, and at least one sound-generating device coupled to the display panel by the coupling member, the at least one sound-generating device being configured to vibrate the display panel to generate sound.

A display apparatus includes a display panel configured to display an image, a supporting member on a rear surface of the display panel and configured to support the display panel, a sound generating device on the rear surface of the display panel and configured to vibrate the display panel to generate sound, and a connection part configured to connect the supporting member to the sound generating device. The sound generating device includes a plate spaced apart from the supporting member, a frame outside the plate, a magnet and a center pole on the plate, a bobbin around the center pole, and a coil outside the bobbin. The connection part is between the supporting member and the frame.

A low voltage attack detector includes: a low voltage detector configured to output a low voltage detection flag signal having a high level when a first power supply voltage reaches a first voltage level using a bandgap reference (BGR) circuit including a PMOS transistor and a first bipolar junction transistor (BJT) connected in series between the first power supply voltage and a second power supply voltage; a BGR operation region detector configured to output a malfunction detection flag signal having a high level when the first power supply voltage reaches a second voltage level lower than the first voltage level; and a logic gate configured to output a final low voltage detection flag signal having a high level when at least one of the low voltage detection flag signal and the malfunction detection flag signal has a high level.

Low voltage attack detector, secure element and electronic system including the same

A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.

Growing community of inventors

Osan-si, South Korea

Kwangho Kim