Title:
LIGHT GUIDE PLATE AND BACKLIGHT MODULE
Document Type and Number:
WIPO Patent Application WO/2020/191912
Kind Code:
A1
Abstract:
A light guide plate (201, 301, 400, 500, 600), comprising a light guide plate body and a through hole (206), wherein the light guide plate body further comprises a first light-exiting surface (205, 605); the first light-exiting surface (205,605) is a side wall surrounding the through hole (206), and the first light-exiting surface (205, 605) is arranged as a special-shaped surface (505); the special-shaped surface (505) may specifically be arranged as an oblique plane, a quadric surface or a free-form surface. After light emitted by a light-emitting source (203) passes through the light guide plate (201, 301, 400, 500, 600), more light is incident on the through hole (206) and a digging area of a display panel. Meanwhile, the first light-exiting surface (205, 605) may also be adjusted to ensure consistent light intensity in a display area.
Inventors:
QIAN LIQIONG (CN)
MEI XINDONG (CN)
MEI XINDONG (CN)
Application Number:
PCT/CN2019/087970
Publication Date:
October 01, 2020
Filing Date:
May 22, 2019
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G02F1/13357; G02B6/00
Foreign References:
| CN109061946A | 2018-12-21 | |||
| CN109061946A | 2018-12-21 | |||
| CN108594524A | 2018-09-28 | |||
| CN101539269A | 2009-09-23 | |||
| CN108761916A | 2018-11-06 | |||
| CN109212659A | 2019-01-15 | |||
| US6139163A | 2000-10-31 |
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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