Title:
COLOUR FILTER, COLOUR FILM SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/233676
Kind Code:
A1
Abstract:
A colour filter (200), a colour film substrate (100) and a preparation method therefor, and a display device. The colour filter (200) comprises a plurality of colour filter units (210), each colour filter unit (210) comprising a plurality of sub-colour filters (211), each sub-colour filter (211) allowing light of a respective wavelength range or colour to pass through, each sub-colour filter (211) comprising a photonic crystal layer (2110) and a photoluminescent material (2111) arranged within the photonic crystal layer (2110), the colour of the light emitted by the photoluminescent material (2111) corresponding to the colour of the light which the corresponding sub-colour filter (211) allows to pass through.
Inventors:
LI YANQIU (CN)
Application Number:
PCT/CN2018/092301
Publication Date:
December 27, 2018
Filing Date:
June 22, 2018
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE DISPLAY TECH CO (CN)
BEIJING BOE DISPLAY TECH CO (CN)
International Classes:
G02F1/13357; G02F1/1335
Foreign References:
| CN105353556A | 2016-02-24 | |||
| CN104932136A | 2015-09-23 | |||
| CN106681046A | 2017-05-17 | |||
| US20040227455A1 | 2004-11-18 | |||
| US20030218704A1 | 2003-11-27 | |||
| CN107037630A | 2017-08-11 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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