Title:
ON-SCREEN SOUND GENERATION DEVICE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/024336
Kind Code:
A1
Abstract:
Disclosed in the embodiments of the present application are an on-screen sound generation device and a display device. The on-screen sound generation device comprises a sound generation structure, which comprises a first electrode, an insulating layer and a second electrode stacked in sequence, wherein a sound generation cavity is formed between a vibration portion of the second electrode and the insulating layer. The first electrode and the second electrode receive different driving signals, and the vibration portion can push the air in the sound generation cavity to generate sound by means of vibration. The on-screen sound generation device of the present application has a good sound generation effect, a flexible position of arrangement, and low manufacturing costs.
Inventors:
HU XIAOBO (CN)
Application Number:
PCT/CN2021/137731
Publication Date:
March 02, 2023
Filing Date:
December 14, 2021
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
H04R1/02; H04R31/00
Foreign References:
| CN113784241A | 2021-12-10 | |||
| US20100084661A1 | 2010-04-08 | |||
| CN112887880A | 2021-06-01 | |||
| CN111430412A | 2020-07-17 | |||
| CN104469632A | 2015-03-25 | |||
| CN112087541A | 2020-12-15 | |||
| CN109068245A | 2018-12-21 |
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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