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公开(公告)号：US20180270570A1
公开(公告)日：2018-09-20
申请号：US15987267
申请日：2018-05-23
Applicant: LG DISPLAY CO., LTD.
Inventor： YeongRak CHOI , ChangHo OH , KwanHo PARK , Sungtae LEE
Abstract: A panel vibration type sound generating display device is disclosed. The display device includes a display panel for displaying an image; a sound generating actuator connected to the display panel and configured to vibrate the display panel to generate sound; a support structure spaced apart from the display panel with an air gap between the support structure and the display panel; and a baffle part disposed between the support structure and the display panel to surround the air gap.
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公开(公告)号：US20170287990A1
公开(公告)日：2017-10-05
申请号：US15388939
申请日：2016-12-22
Applicant: LG DISPLAY CO., LTD.
Inventor： YeongRak CHOI , ChangHo OH , KwanHo PARK , Sungtae LEE
CPC classification number: H01L27/3225 , G06F1/1605 , G06F1/1637 , G06F1/1688 , H01L27/322 , H01L27/3262 , H01L51/5246 , H04R1/028 , H04R7/045 , H04R7/06 , H04R7/10 , H04R7/20 , H04R9/025 , H04R9/045 , H04R9/06 , H04R2307/023 , H04R2307/025 , H04R2440/05 , H04R2499/15
Abstract: Embodiments of the present disclosure relate to an organic light emitting display device which directly vibrates an organic light emitting display panel to generate sound, and includes: an organic light emitting display panel including a light emitting layer including an organic light emitting material layer and an encapsulation layer disposed at one side of the light emitting layer; and a sound generating actuator in direct contact with the organic light emitting display panel to vibrate the organic light emitting display panel to generate sound. Especially, the organic light emitting display panel is a bottom emission type device, and thus can prevent generation of a weighted color mixing phenomenon in a wide viewing angle at the time of panel vibration and reduce the thickness or weight of the panel to thereby enhance the sound generation characteristic.
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