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公开(公告)号：US11638076B2
公开(公告)日：2023-04-25
申请号：US17331636
申请日：2021-05-27
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hun Noh , Yi Joon Ahn , Rang Kyun Mok
IPC: H04R1/02 , G06F3/01 , H04M1/03 , H04R5/02 , H04M1/72454
Abstract: A display device including: a display panel configured to display an image on a first surface thereof; a first sound generating device configured to provide a first sound; and a second sound generating device configured to provide a second sound, wherein the first sound generating device is attached to a second surface of the display panel, the second surface being opposite to the first surface, and wherein the first sound generating device is a vibration generating device configured to vibrate the display panel in accordance with a first sound signal to generate the first sound.
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公开(公告)号：US11599327B2
公开(公告)日：2023-03-07
申请号：US16852518
申请日：2020-04-19
Applicant: Samsung Display Co., LTD.
Inventor： Byeong Hee Won , Keun Kyu Song , Yi Joon Ahn , Sung Chan Jo
Abstract: A display device including a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a first sound generation device disposed on a second surface of the first substrate opposing the first surface, and configured to vibrate the display panel and output first sound, and a circuit board disposed on the second surface of the first substrate, in which the first sound generation device includes a bobbin fixed on one surface of the first substrate, a voice coil surrounding a side surface of the bobbin, a magnet disposed on the bobbin and spaced apart from the bobbin, and a plate disposed on the magnet and fixed to the circuit board.
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公开(公告)号：US11582543B2
公开(公告)日：2023-02-14
申请号：US17338722
申请日：2021-06-04
Applicant: Samsung Display Co., Ltd.
Inventor： Jae Woo Im , Byeong Hee Won , Yi Joon Ahn
Abstract: A display device includes: a display panel including a first substrate and a light emitting element layer disposed on the first substrate; and a sound generator disposed on one surface of the first substrate, where the sound generator vibrates the display panel to output a sound. The sound generator includes: a first vibration generator which vibrates the display panel by generating a magnetic force using a first voice coil therein; and a second vibration generator including a vibration layer which contracts or expands based on a voltage applied thereto to vibrate the display panel, where the first vibration generator and the second vibration generator overlap each other in a thickness direction of the display panel.
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公开(公告)号：US11561756B2
公开(公告)日：2023-01-24
申请号：US16841680
申请日：2020-04-07
Applicant: Samsung Display Co., LTD.
Inventor： Tae Sung Kim , Byeong Hee Won , Young Ji Kim , Yi Joon Ahn
Abstract: A display device includes: a display panel; a first sound generator disposed on one surface of the display panel, where the first sound generator vibrates the display panel to output a first sound; and a first vibration damping member disposed between the display panel and the first sound generator, where the first vibration damping member reduces a vibration displacement of the display panel.
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公开(公告)号：US11490182B2
公开(公告)日：2022-11-01
申请号：US16529655
申请日：2019-08-01
Applicant: Samsung Display Co. Ltd.
Inventor： Yi Joon Ahn , Jung Hun Noh , Jae Woo Im
Abstract: A display device including a display panel configured to display an image; a touch sensing device configured to sense a touch of an object; a sound driver configured to generate and transmit a first sound driving signal and a second sound driving signal according to first sound data and second sound data; and a sound generator configured to generate a sound according to the first and second sound driving signals, such that a sound pressure level in a first frequency range is between first and second sound pressure levels in a first operating mode and a second operating mode, wherein the display device is in the first operating mode in response to the touch sensing device not sensing the touch of the object, and the display device is in the second operating mode in response to the touch sensing device sensing the touch of the object.
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Patent Agency Ranking
公开(公告)号：US11481032B2
公开(公告)日：2022-10-25
申请号：US16450574
申请日：2019-06-24
Applicant: Samsung Display Co. Ltd.
Inventor： Yi Joon Ahn , Jung Hun Noh , Jae Woo Im
IPC: G06F3/01 , H01L41/09 , G06F1/16 , H04R17/00 , H04R3/12 , H04R1/24 , H04M1/03 , G06F3/16 , H04R9/06 , H04M1/02
Abstract: Provided are a display device. The display device comprises a display panel displaying an image, a main circuit board disposed under the display panel, a first vibration element attached to a lower surface of the display panel and providing first vibration in accordance with a first vibration signal, a second vibration element disposed on the main circuit board and providing second vibration in accordance with a second vibration signal, and a first vibration driver circuit providing the first vibration signal to the first vibration element, wherein a phase of the second vibration signal is opposite to a phase of the first vibration signal.
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公开(公告)号：US11079811B2
公开(公告)日：2021-08-03
申请号：US16419001
申请日：2019-05-22
Applicant: Samsung Display Co. Ltd.
Inventor： Yi Joon Ahn , Jung Hun Noh
Abstract: A sound generator for a display device, including: a first vibration generation unit having a first electrode and a second electrode; a second vibration generation unit having a third electrode and a fourth electrode; and a vibration layer including: a first sub-vibration layer disposed between the first electrode and the second electrode; and a second sub-vibration layer disposed between the third electrode and the fourth electrode, wherein the first vibration generation unit is configured to contract and expand the first sub-vibration layer based on a first driving voltage applied to the first electrode and a second driving voltage applied to the second electrode, and wherein the second vibration generation unit is configured to contract and expand the second sub-vibration layer based on a third driving voltage applied to the third electrode and a fourth driving voltage applied to the fourth electrode.
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公开(公告)号：US10811470B2
公开(公告)日：2020-10-20
申请号：US16156075
申请日：2018-10-10
Applicant: Samsung Display Co. Ltd
Inventor： Jae Woo Im , Jung Hun Noh , Yi Joon Ahn , Sung Chan Jo
Abstract: A display device includes a display panel including a display area including: a stretchable display area at which the display panel is stretchable, disposed at an outer edge of the display device, and a normal display area having flexibility less than that of the stretchable display area, the normal display area disposed further from the outer edge of the display device than the stretchable display area; a cover window disposed on the display panel, including a peripheral portion and a central portion which is disposed further from the outer edge of the display device than the peripheral portion; and a vibration member disposing the normal display area having the flexibility less than that of the stretchable display area between the central portion of the cover window and the vibration member along a thickness direction of the display device.
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公开(公告)号：US10694274B2
公开(公告)日：2020-06-23
申请号：US16130033
申请日：2018-09-13
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hun Noh , Yi Joon Ahn
IPC: H04R1/02 , G06F1/16 , G02F1/1333 , H04R7/04 , H04R9/06 , H04R17/00 , G02F1/1343
Abstract: A panel bottom member structure includes a panel bottom member including a light absorbing member, a top bonding layer disposed on the light absorbing member, an acoustic vibration element disposed beneath the light absorbing member and generating a vibration in response to an acoustic signal, and a buffer member disposed beneath the light absorbing member and non-overlapping the acoustic vibration element, and an element circuit board connected to the acoustic vibration element and provided with an acoustic element driving chip for generating the acoustic signal.
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公开(公告)号：US10133143B2
公开(公告)日：2018-11-20
申请号：US15582230
申请日：2017-04-28
Applicant: Samsung Display Co., Ltd.
Inventor： Su Jung Huh , Yi Joon Ahn , Jae Joong Kwon , Keun Kyu Song
Abstract: A lens panel according to an exemplary embodiment includes an area that is divided into a plurality of domains in a plan view. The area includes an optical modulation layer, a first electrode, and a second electrode in a sectional view, the first electrode and the second electrode facing each other interposing the optical modulation layer. The first electrode includes a plurality of first openings, and the second electrode includes a plurality of second openings. One of a first opening among the plurality of first openings and a second opening among the plurality of second openings is disposed in each of the plurality of domains in the plan view. The first opening is disposed in a first domain among the plurality of domains, and the second opening is disposed in a second domain that is adjacent to the first domain among the plurality of domains.
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