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Title:
SOUND-PRODUCING SCREEN AND PROJECTION TELEVISION
Document Type and Number:
WIPO Patent Application WO/2022/042515
Kind Code:
A1
Abstract:
A sound-producing screen (20) and a projection television, the sound-producing screen comprising a display function layer (21) and an audio assembly (22). The audio assembly (22) comprises an auxiliary sound-producing layer (221) and a plurality of speakers (222). The auxiliary sound-producing layer (221) is stacked on one side of the display function layer (21). Orthographic projections of the plurality of speakers (222) on the auxiliary sound-producing layer (221) are arranged in an array on the auxiliary sound-producing layer (221). The auxiliary sound-producing layer (221) has at least two sound-producing regions. Each sound-producing region is arranged with a plurality of cavities, and has a first cavity (q1) and a second cavity (q2) of different volumes. The sound-producing screen (20) is able to emit sounds of different tones, the sound has a relatively strong sense of layering, and the sound effect is better, thereby improving the user experience.

Inventors:
XU HONGZHE (CN)
XING ZHE (CN)
WEI WEIDA (CN)
DAI JIE (CN)
Application Number:
PCT/CN2021/114202
Publication Date:
March 03, 2022
Filing Date:
August 24, 2021
Export Citation:
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Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
H04R9/06; G03B21/56
Foreign References:
CN112543398A2021-03-23
CN112584288A2021-03-30
CN210090908U2020-02-18
JP2005117267A2005-04-28
CN111491242A2020-08-04
CN210954593U2020-07-07
CN208044292U2018-11-02
CN110389496A2019-10-29
JPH06332073A1994-12-02
US5025474A1991-06-18
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
Download PDF:
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