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公开(公告)号：US20220209733A1
公开(公告)日：2022-06-30
申请号：US17547553
申请日：2021-12-10
Applicant: LG DISPLAY CO., LTD.
Inventor： JunSeok OH , MinHo SOHN
Abstract: A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.
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公开(公告)号：US20220303374A1
公开(公告)日：2022-09-22
申请号：US17829337
申请日：2022-05-31
Applicant: LG Display Co., Ltd.
Inventor： Seon Man KIM , MinHo SOHN , JunSeok OH , Sung-Jin KANG , Kyounghwan KIM , Jeonggoo KANG , JaiHyuk LEE
Abstract: A display apparatus includes a display module having a display panel configured to display an image; a sound generating device on a rear surface of the display panel and including a first side and a second side perpendicular to the first side and an adhesive member in a partial region of the sound generating device, the adhesive member having a size smaller than one of the first side and the second side of the sound generating device.
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公开(公告)号：US20180120983A1
公开(公告)日：2018-05-03
申请号：US15797559
申请日：2017-10-30
Applicant: LG DISPLAY CO., LTD.
Inventor： JunSeok OH
IPC: G06F3/045 , G09G3/36 , G06F3/041 , G02F1/1333 , G02F1/1339
Abstract: Disclosed is a force sensing display device which sequentially supplies a driving signal to at least two force sensing sensors and senses forces pressing the force sensing sensors by using sensing signals sequentially received from the force sensing sensors. The force sensing display device includes a panel including a plurality of gate lines and a plurality of data lines, a gate driver driving the plurality of gate lines, a data driver driving the plurality of data lines, a controller controlling the gate driver and the data driver, a force sensing panel disposed adjacent to the panel and including at least two force sensing sensors, and a force sensing unit sequentially supplying a driving signal to the at least two force sensing sensors and sensing forces respectively pressing the at least two force sensing sensors by using sensing signals sequentially received from the force sensing panel.
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公开(公告)号：US20240381035A1
公开(公告)日：2024-11-14
申请号：US18783278
申请日：2024-07-24
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , Kyungyeol RYU , Taehyung KIM , MinHo SOHN , SeulKi NAM , Jeonggoo KANG , JunSeok OH , SeungRyull PARK , Chiwan KIM , GyungBo HA , Uihyeon JEONG
Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.
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公开(公告)号：US20240256071A1
公开(公告)日：2024-08-01
申请号：US18405542
申请日：2024-01-05
Applicant: LG Display Co., Ltd.
Inventor： Seunghyeon KIM , JunSeok OH
IPC: G06F3/041
CPC classification number: G06F3/0414 , G06F3/0412 , G06F3/0416 , G06F2203/04105
Abstract: A sensor driving circuit includes a sensing channel connected with at least one sensor, a sensor monitoring part configured to receive a sensing signal from the sensing channel and generate a sensing start signal based on the sensing signal, and a sensing part sampling the sensing signal to obtain sensing data based on the sensing start signal.
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Patent Agency Ranking
公开(公告)号：US20240064222A1
公开(公告)日：2024-02-22
申请号：US18385492
申请日：2023-10-31
Applicant: LG Display Co., Ltd.
Inventor： Seon Man KIM , MinHo SOHN , JunSeok OH , Sung-Jin KANG , Kyounghwan KIM , Jeonggoo KANG , JaiHyuk LEE
CPC classification number: H04M1/03 , H04R1/023 , H05K5/0017 , H04R1/028 , H04N5/642
Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generating device configured to vibrate the display panel, an adhesive member connected between a rear surface the display panel and the sound generating device, and a structure configured to support the sound generating device, wherein the structure is connected to at least a portion of the sound generating device and a portion of the rear surface the display panel.
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7.发明公开公开(公告)号：US20230370036A1
公开(公告)日：2023-11-16
申请号：US18223769
申请日：2023-07-19
Applicant: LG DISPLAY CO., LTD.
Inventor： JunSeok OH , MinHo SOHN
CPC classification number: H03G3/3036 , H04R29/001 , H04R3/00 , H04R1/028 , H04R17/00 , H03G2201/103 , H04R2430/01 , H04R2499/15 , G01K2217/00
Abstract: A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.
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公开(公告)号：US20230019257A1
公开(公告)日：2023-01-19
申请号：US17851822
申请日：2022-06-28
Applicant: LG Display Co., Ltd.
Inventor： Minji KIM , YoungWook HA , Chiwan KIM , GyungBo HA , MinHo SOHN , MinKyu CHOI , Jeonggoo KANG , YuSeon KHO , YeongRak CHOI , Seungo JEON , Kwangho KIM , JunSeok OH
Abstract: 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.
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公开(公告)号：US20200177719A1
公开(公告)日：2020-06-04
申请号：US16688226
申请日：2019-11-19
Applicant: LG Display Co., Ltd.
Inventor： Seon Man KIM , MinHo SOHN , JunSeok OH , Sung-Jin KANG , Kyounghwan KIM , Jeonggoo KANG , JaiHyuk LEE
Abstract: A display apparatus includes a display module having a display panel configured to display an image; a sound generating device on a rear surface of the display panel and including a first side and a second side perpendicular to the first side and an adhesive member in a partial region of the sound generating device, the adhesive member having a size smaller than one of the first side and the second side of the sound generating device.
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公开(公告)号：US20240256073A1
公开(公告)日：2024-08-01
申请号：US18405752
申请日：2024-01-05
Applicant: LG Display Co., Ltd.
Inventor： JunSeok OH , Seunghyeon KIM , SunBok SONG
CPC classification number: G06F3/0416 , G06F3/016 , G06F3/0412 , G06F3/0414
Abstract: A touch driving circuit includes a touch sensing part configured to sense a touch, and a force sensing part configured to sense a force. Force sensing driving of the force sensing part is controlled based on a touch sensing signal of the touch sensing part.
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