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Patent Searching and Data


Title:
OPTICAL FILM LAYER AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/155220
Kind Code:
A1
Abstract:
The present application relates to an optical film layer and a display device. The optical film layer comprises a negative single optical axis optical layer and an isotropic optical layer; multiple grooves are formed on a side of the negative single optical axis optical layer, and the isotropic optical layer comprises a plate-like part as well as multiple protruding structures that are attached to a side of the plate-like part and that match the shapes and sizes of the grooves; the refraction index of the isotropic optical layer is smaller than the refraction index of ordinary light of the negative single optical axis optical layer; on the direction in which the multiple protruding structures are distributed, the widths of the protruding structures are within the range of the wavelength of incident light.

Inventors:
SHAN JIANFENG (CN)
Application Number:
PCT/CN2019/075532
Publication Date:
August 06, 2020
Filing Date:
February 20, 2019
Export Citation:
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Assignee:
HKC CORP LTD (CN)
International Classes:
G02F1/1335
Foreign References:
CN109212820A2019-01-15
CN109143675A2019-01-04
JP2011112720A2011-06-09
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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