Title:
PATTERN IDENTIFICATION DEVICE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/148798
Kind Code:
A1
Abstract:
A device for identifying a pattern over a first surface thereof is provided, including a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer comprises a plurality of photosensitive elements, each configured to convert a light shedding thereon into an electrical signal. The light-guiding layer comprises a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit include a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit there through and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.
Inventors:
GU PINCHAO (CN)
WANG HAISHENG (CN)
WU CHUNWEI (CN)
LIU YINGMING (CN)
XU RUI (CN)
LI CHANGFENG (CN)
ZHAO LIJUN (CN)
JIA YANAN (CN)
GUO YUZHEN (CN)
QIN YUNKE (CN)
WANG HAISHENG (CN)
WU CHUNWEI (CN)
LIU YINGMING (CN)
XU RUI (CN)
LI CHANGFENG (CN)
ZHAO LIJUN (CN)
JIA YANAN (CN)
GUO YUZHEN (CN)
QIN YUNKE (CN)
Application Number:
PCT/CN2018/100270
Publication Date:
August 08, 2019
Filing Date:
August 13, 2018
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G06K9/00; G09F9/33; G09F9/35
Foreign References:
| CN107066976A | 2017-08-18 | |||
| US20170017824A1 | 2017-01-19 | |||
| US20160254312A1 | 2016-09-01 | |||
| CN204028936U | 2014-12-17 | |||
| CN105678255A | 2016-06-15 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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