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Title:
ANTI-PEEPING BACKLIGHT MODULE
Document Type and Number:
WIPO Patent Application WO/2022/127444
Kind Code:
A1
Abstract:
An anti-peeping backlight module, which is composed of an upper backlight module, a lower backlight module and a reflective film arranged below the lower backlight module, the modules being stacked. The upper backlight module is a transparent module. The lower backlight module is a transparent module or non-transparent module. The upper backlight module is a collimated backlight module or diffused backlight module, the lower backlight module is a collimated backlight module or diffused backlight module, and the upper backlight module and the lower backlight module have different properties. The advantages are that the two light-emitting directions of beam splitting and collimation may be achieved at the same time, and may be applied in various backlight modules; the beam-splitting angle is adjustable, the efficiency is high, and the modules may be controlled independently.

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Inventors:
LI TONG (CN)
WU PENG (CN)
CHEN YIMIN (CN)
Application Number:
PCT/CN2021/129496
Publication Date:
June 23, 2022
Filing Date:
November 09, 2021
Export Citation:
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Assignee:
MAANSHAN –JINGZHI TECH CO LTD (CN)
International Classes:
G02F1/13357; G02B6/00
Foreign References:
CN112882286A2021-06-01
US5956107A1999-09-21
CN105065976A2015-11-18
CN103226261A2013-07-31
CN109870836A2019-06-11
CN106597599A2017-04-26
CN1987606A2007-06-27
Other References:
See also references of EP 4235284A4
Attorney, Agent or Firm:
NINGBO AOSHENG PATENT AGENT COMPANY LIMITED et al. (CN)
Download PDF:
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