Title:
LINE RECOGNITION DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/042283
Kind Code:
A1
Abstract:
A line recognition device and a display device. The line recognition device comprises: a backlight element, configured to provide first backlight; a light constraint element, configured to constrain a ray divergence angle of the first backlight to obtain second backlight having a divergence angle within a preset angle range, and emit the second backlight to a detection object; and a light sensing element, configured to detect the second backlight reflected by lines of the detection object, to recognize a line pattern of the lines of the detection object.
Inventors:
TAO JINGFU (CN)
CHENG PENGFEI (CN)
YU LU (CN)
CHANG KANGLE (CN)
ZHU HELING (CN)
SANG JIAN (CN)
LIAO CHUANDONG (CN)
CHEN YINWEI (CN)
LIU JINGANG (CN)
CHENG PENGFEI (CN)
YU LU (CN)
CHANG KANGLE (CN)
ZHU HELING (CN)
SANG JIAN (CN)
LIAO CHUANDONG (CN)
CHEN YINWEI (CN)
LIU JINGANG (CN)
Application Number:
PCT/CN2019/104349
Publication Date:
March 11, 2021
Filing Date:
September 04, 2019
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G02F1/1335; G06V10/147
Foreign References:
| CN109633959A | 2019-04-16 | |||
| CN109633959A | 2019-04-16 | |||
| CN109683375A | 2019-04-26 | |||
| CN105550664A | 2016-05-04 | |||
| CN107609456A | 2018-01-19 | |||
| CN106355160A | 2017-01-25 | |||
| US20170017824A1 | 2017-01-19 |
Other References:
See also references of EP 4027190A4
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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