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Title:
DISPLAY SCREEN AND POLARIZING SHEET THEREOF
Document Type and Number:
WIPO Patent Application WO/2018/040134
Kind Code:
A1
Abstract:
A display screen and a polarizing sheet thereof. The polarizing sheet comprises a dielectric layer (11) and a wire grating structure array arranged on the dielectric layer (11). Each wire grating structure (12a) comprises three first wire grating units (120) and one second wire grating unit (121), wherein the first wire grating units (120) and the second wire grating unit (121) respectively comprise a plurality of separately arranged wire gratings (100), and the first wire grating units (120) and the second wire grating unit (121) are used for converting incident light into linearly polarized light. According to the display screen and the polarizing sheet thereof, by means of changing wire grating periods and duty ratios of the first wire grating units and second wire grating unit corresponding to R sub-pixel units, G sub-pixel units, B sub-pixel units and W sub-pixel units, the consistency of white-point coordinates of the W sub-pixel units and a white-point coordinate synthesized by the R sub-pixel units, the G sub-pixel units and the B sub-pixel units can be ensured, thereby improving white point drift of an RGBW display screen.

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Inventors:
CUI HONGQING (CN)
ZHA GUOWEI (CN)
Application Number:
PCT/CN2016/099051
Publication Date:
March 08, 2018
Filing Date:
September 14, 2016
Export Citation:
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Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G02B5/30; G02F1/1335
Foreign References:
US20130300986A12013-11-14
US20160170261A12016-06-16
US20110168999A12011-07-14
CN105700212A2016-06-22
CN103792741A2014-05-14
Other References:
See also references of EP 3505982A4
Attorney, Agent or Firm:
MING & YUE INTELLECTUAL PROPERTY LAW FIRM (CN)
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