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Title:
LIGHT CONVERSION STRUCTURE, BACKLIGHT DEVICE, AND VIRTUAL REALITY DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/259374
Kind Code:
A1
Abstract:
Disclosed are a light conversion structure, a backlight device, and a virtual reality display device, The light conversion structure (10) comprises: a transparent substrate (101), the transparent substrate (101) comprising a first surface and a second surface which are arranged opposite one another; a plurality of first prism structures (102) arranged on the first surface in an array, each of the first prism structures (102) comprising a first light entry surface and a second light entry surface that are arranged adjacent to or opposite one another, the first light entry surface being used for receiving first incident light (100), and the second light entry surface being used for receiving second incident light (200); and a plurality of second prism structures (103) arranged on the second surface in an array, each of the second prism structures (103) comprising a first light exit surface and a second light exit surface that are arranged adjacent to or opposite one other. The first incident light (100) enters from the first light entry surface and exits from the first light exit surface at a first preset angle, and the second incident light (200) enters the first prism structures (102) from the second light entry surface, and exits from the second light exit surface at a second preset angle, wherein a difference between the first preset angle and the second preset angle is less than a preset value.

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Inventors:
JIN LIANGLIANG (CN)
MA RUOYU (CN)
YANG ZEZHOU (CN)
SUN HAIWEI (CN)
WU ZHONGBAO (CN)
LIAO CHUANDONG (CN)
Application Number:
PCT/CN2020/096661
Publication Date:
December 30, 2020
Filing Date:
June 17, 2020
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G02F1/13357; G02B5/04
Domestic Patent References:
WO2004036294A22004-04-29
Foreign References:
TW278142B1996-06-11
CN101526691A2009-09-09
CN108469642A2018-08-31
CN110161758A2019-08-23
CN101684927A2010-03-31
CN1136349A1996-11-20
CN105116477A2015-12-02
CN101324726A2008-12-17
US20170242183A12017-08-24
JPH08129146A1996-05-21
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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