Title:
BACKLIGHT MODULE, CONTROL METHOD, DISPLAY SCREEN, AND WEARABLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/148897
Kind Code:
A1
Abstract:
A backlight module, comprising a light source (2) and a light guide plate (1). The light guide plate (1) comprises a transparent substrate (10) and multiple dimming units (11) having a reflection function. The light source (2) is provided at at least one side surface of the transparent substrate (10). The multiple dimming units (11) are provided at a lower surface of the transparent substrate (10). The dimming units (11) are used to adjust an emission intensity of light at an upper surface of the transparent substrate (10) away from the dimming units (11), and the light is emitted into the light guide plate (1) by the light source (2). Further provided are a backlight module control method, and a display screen and a wearable device comprising the backlight module.
Inventors:
ZHAO HONGYU (CN)
CUI TING (CN)
TU XIAOYAN (CN)
DIAO KAI (CN)
CUI TING (CN)
TU XIAOYAN (CN)
DIAO KAI (CN)
Application Number:
PCT/CN2018/111209
Publication Date:
August 08, 2019
Filing Date:
October 22, 2018
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
FUZHOU BOE OPTOELECTRONICS TECH CO LTD (CN)
FUZHOU BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G02F1/13357; F21V7/00
Foreign References:
| CN206684435U | 2017-11-28 | |||
| CN107643622A | 2018-01-30 | |||
| CN106405880A | 2017-02-15 | |||
| CN107589594A | 2018-01-16 | |||
| US20060114545A1 | 2006-06-01 |
Other References:
See also references of EP 3748423A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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