Title:
PRESSURE DETECTION DEVICE, SCREEN ASSEMBLY AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2020/125272
Kind Code:
A1
Abstract:
A pressure detection device, a screen assembly and a mobile terminal, the pressure detection device comprising a substrate (200), a photoconductive layer (300), a light-absorbing layer (500) and a photosensitive layer (600) which are arranged in order, as well as a light source (100), wherein the light source (100) may emit light of a first frequency, and an exit surface thereof faces the photoconductive layer (300); the photoconductive layer (300) scatters the light of the first frequency; the light absorbing layer (500) comprises a container (501) which forms an enclosed space and absorption liquid (502) which is filled in the container (501); the absorption liquid (502) absorbs at least part of the light of the first frequency, and at least one side of the container (501) is an elastic surface (5011); a photosensitive surface of the photosensitive layer (600) faces the light absorbing layer (500), and the photosensitive layer (600) is used to detect the light of the first frequency which permeates the light absorbing layer (500).
Inventors:
GUO YANG (CN)
LI KUI (CN)
XIE CHANGHONG (CN)
LI KUI (CN)
XIE CHANGHONG (CN)
Application Number:
PCT/CN2019/117448
Publication Date:
June 25, 2020
Filing Date:
November 12, 2019
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
G06F3/041
Foreign References:
| CN109739378A | 2019-05-10 | |||
| CN102609138A | 2012-07-25 | |||
| CN106445242A | 2017-02-22 | |||
| CN107135304A | 2017-09-05 | |||
| US20100103140A1 | 2010-04-29 | |||
| US20180031745A1 | 2018-02-01 |
Other References:
See also references of EP 3901744A4
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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